Celiac.com 10/20/2025 - Children who live with celiac disease must avoid all sources of gluten in order to stay healthy. This is not a simple task, as gluten can appear in many foods and environments. While families try their best to follow a gluten-free diet, it can be very difficult to know exactly when and how gluten exposure may be happening. A recent study set out to solve this challenge by creating and testing a tool that helps families and doctors identify risks of gluten exposure in children. This tool is called the Gluten Exposure Risk Assessment.

Why This Study Was Needed

For children with celiac disease, the only treatment is to avoid gluten completely. This means that every meal, snack, and even cooking surface must be free from contamination. Parents often worry about hidden gluten at restaurants, at school, during playdates, and even within their own homes. While families work very hard to keep their children safe, doctors have lacked a clear and reliable way to measure how often gluten exposure may be happening. Without such a tool, it has been difficult to know which families need more guidance or what specific areas of risk should be addressed. This study aimed to create a straightforward, science-based method to evaluate those risks.

How the Tool Was Created

The research team designed the Gluten Exposure Risk Assessment through a careful three-step process. First, they gathered ideas from experts using what is known as a Delphi method. This is a way of collecting and refining knowledge by asking many experts for feedback over several rounds until they reach agreement. From this process, they developed a list of possible questions that might help uncover where gluten exposure could happen.

Next, the team tested these questions with parents and caregivers of children who had celiac disease. These families were from twelve different pediatric centers, which gave the researchers a wide variety of experiences to study. The early version of the tool included dozens of questions across several possible areas of risk, such as home, school, social events, and eating out.

Finally, the researchers used statistical methods to reduce and refine the list to the most important and reliable items. This process ensured that the final tool would be practical, easy to use, and scientifically valid.

What the Tool Looks Like

The finished Gluten Exposure Risk Assessment includes one simple screening question and nine additional items. These questions are grouped into two main categories: risks that occur at home and risks that occur outside of the home. For example, questions may touch on whether gluten-free foods are prepared in the same space as gluten foods at home, or whether a child may be exposed while eating at school or in restaurants.

The final version was tested with nearly five hundred caregivers and then confirmed with another group of more than three hundred caregivers. The results showed that the tool works consistently, is easy for families to complete, and accurately measures the likelihood of gluten exposure.

What the Results Mean

The study showed that the Gluten Exposure Risk Assessment is both valid and reliable. This means it can be trusted as a scientific tool to screen for gluten exposure risks in children and teenagers with celiac disease. Because it is filled out by caregivers, it allows families to reflect on their daily routines and identify possible hidden sources of gluten that they might not have thought about before. Doctors can also use the results to guide conversations, offer advice, and provide support to reduce these risks.

How This Helps Families Living with Celiac Disease

Families of children with celiac disease often live with constant worry about gluten exposure. Even small mistakes can lead to painful symptoms and long-term health issues. Having a structured tool helps parents and doctors work together more effectively. It gives families a way to better understand where problems might arise and to create strategies for keeping their children safe.

For example, if the tool shows that a child is often exposed when eating at restaurants, the doctor can help the family learn better ways to communicate with restaurant staff or suggest safer dining options. If the risk is mainly at home, the family may need to rethink how food is stored or how meals are prepared. By making these risks more visible, the Gluten Exposure Risk Assessment helps families take action before problems occur.

Conclusion: Why This Study Matters

The development of the Gluten Exposure Risk Assessment is an important step forward in managing celiac disease in children. It transforms a complex and often invisible challenge into something that can be measured and addressed. For families, it means fewer surprises and more confidence in keeping their children healthy. For doctors, it offers a clear way to identify risks and provide targeted support. Most importantly, for children with celiac disease, this tool represents hope for a safer, healthier future where they can grow and thrive without the constant threat of hidden gluten exposure.

Read more at: journals.lww.com

Watch the video version of this article:

Celiac.com 10/10/2025 - People with celiac disease must avoid gluten, a protein in wheat, rye, and barley. Unfortunately, gluten-free breads often fall short in quality. They tend to be dense, dry, and less flavorful compared to traditional wheat breads. They are also commonly made with refined flours that lack important nutrients such as protein, fiber, and vitamins. This creates a demand for new techniques that make gluten-free breads both healthier and more enjoyable to eat.

The Role of Whole Grains and Pseudocereals

To improve nutritional value, researchers are experimenting with whole grain flours from pseudocereals such as quinoa and buckwheat. These grains naturally contain more fiber, minerals, and beneficial compounds than refined rice or corn flours. Using such ingredients can help restore some of the lost nutrition in gluten-free diets. The study focused particularly on buckwheat as a base for gluten-free sourdough breads.

Why Sourdough Matters

Sourdough is a type of fermented dough that relies on a combination of yeasts and bacteria to break down and transform flour. In gluten-containing breads, sourdough adds flavor, aroma, and improved texture. For gluten-free breads, sourdough may help address two major issues: poor structure and bland taste. The fermentation process can produce natural acids and aromatic compounds that create more appealing breads while also improving nutrient availability.

Spontaneous vs. Controlled Sourdough

Traditional sourdough develops naturally, drawing on microorganisms present in the environment. While this can create unique flavors, it is unpredictable and carries a risk of contamination. Controlled sourdough, on the other hand, uses specific microbial strains. This allows bakers to achieve consistent results, maintain food safety, and better control fermentation. For large-scale production, controlled fermentation is especially important.

The Study: Freeze-Dried Starters

The researchers tested two freeze-dried starter cultures made from native bacteria and yeast that were isolated from gluten-free grains. These included combinations of lactic acid bacteria with the common bread yeast Saccharomyces cerevisiae. By using freeze-dried cultures, the starters could be stored, transported, and used reliably without losing effectiveness.

Key Findings

When these starters were added to gluten-free buckwheat sourdough breads, several improvements were observed:

• Production of flavor compounds increased by more than 150 percent.
• Bread volume rose by around 20 percent, meaning loaves were less dense.
• Crumb firmness dropped by over half, making the bread softer.
• The rate of staling slowed by nearly 60 percent, helping bread stay fresh longer.
• Loaves developed darker crusts and more aerated crumbs with more air pockets.

Sensory Results

In taste tests, breads made with the sourdough starters were described as having a stronger aroma, more flavor, and a chewier crumb. They were also darker in color and lighter in texture. Interestingly, the panel of testers still preferred the control bread slightly, although the difference was small when compared to one of the sourdough breads. This suggests that while the new methods improved many technical aspects, preferences may depend on familiarity and habit.

What This Means for Gluten-Free Bread

This study shows that it is possible to make gluten-free breads with better texture, taste, and shelf life by using sourdough made with carefully chosen, freeze-dried microbial starters. These methods could be scaled up for industrial baking, offering people with celiac disease and others who avoid gluten healthier and more enjoyable bread options.

Why This Matters for People with Celiac Disease

For those living with celiac disease, bread is often one of the most disappointing parts of a gluten-free diet. Dense, dry, and nutritionally weak loaves are common. This research suggests that by combining whole grains such as buckwheat with advanced sourdough technology, bread can be made softer, tastier, and more nourishing. If adopted widely, these advances could transform gluten-free baking, improving both quality of life and long-term health for those who cannot eat gluten.

Read more at: sciencedirect.com

Celiac.com 10/06/2025 - Celiac disease is an autoimmune disorder that affects roughly half a percent to one percent of people worldwide. It is triggered by gluten, a protein found in wheat, barley, and rye. When gluten is consumed, the immune system attacks the small intestine, causing inflammation and damage. This study used advanced single-cell analysis to create the most detailed map so far of how cells in the small intestine differ between people with active celiac disease and healthy individuals.

Purpose of the Study

The researchers aimed to understand how immune cells, supporting stromal cells, and the intestinal lining interact with each other in celiac disease. By examining more than 200,000 individual cells, they identified specific changes in cell numbers, activity, and communication. This approach sheds light on how immune signals reshape the intestinal environment, leading to the characteristic tissue damage of celiac disease.

Key Cellular Changes

Several important differences emerged between healthy tissue and celiac tissue:

• Epithelial changes: The lining of the intestine showed an increase in immature stem-like cells and secretory cells, while the normal absorptive cells were reduced. This reflects the known pattern of villus atrophy (loss of finger-like projections) and crypt hyperplasia (expansion of the cell-producing areas).
• Immune cell changes: Specific types of T cells were more common, especially those producing strong inflammatory signals like interferon gamma. B cells and myeloid cells also showed higher activity, releasing a wide range of pro-inflammatory molecules.
• Stromal changes: Stromal cells, especially fibroblasts that normally support tissue structure and regeneration, were increased and highly active. Subsets of fibroblasts producing signals such as NRG1 and SMOC2 were particularly enriched.

How Immune Signals Affect Tissue

The study revealed how immune activity drives communication between different cell types. Immune cells release key molecules such as interleukin-1 beta and interferon gamma. These molecules activate fibroblasts, which in turn send signals that encourage stem-like intestinal cells to expand. While this might be an attempt at tissue repair, it also reduces the number of mature absorptive cells, worsening the nutrient absorption problems seen in celiac disease. In this way, the immune system, stromal cells, and epithelial cells form a cycle of inflammation and maladaptive tissue remodeling.

Novel Findings About Fibroblasts

Fibroblasts, long considered just structural support cells, were shown to play an active role in celiac disease. The study found that fibroblast subtypes producing NRG1 and SMOC2 were increased in diseased tissue. These molecules influence how intestinal cells grow and mature, potentially explaining the excess of stem-like cells and secretory cells. This suggests that fibroblasts are not passive bystanders but key players in shaping the tissue environment in response to gluten-triggered immune activity.

Communication Between Cell Types

The research highlighted extensive communication between immune cells, myeloid cells, fibroblasts, and the intestinal lining. The interactions were particularly strong in active celiac disease compared to healthy tissue. This reinforces the idea that celiac disease is not only an immune-driven condition but also a disorder of disrupted tissue repair and remodeling.

Clinical Implications

Current treatment for celiac disease is limited to lifelong avoidance of gluten. Despite this, many patients continue to struggle with symptoms or slow recovery. By uncovering the roles of fibroblasts and other stromal cells, this study points toward new therapeutic strategies. Targeting the communication pathways between immune cells, fibroblasts, and epithelial cells could open the door to treatments that reduce inflammation, restore healthy intestinal lining, and improve long-term outcomes.

Limitations

The researchers noted some limitations. Certain rare cell types, such as Paneth cells, were not fully captured in the analysis. There were also differences between patients in the abundance of myeloid cells. Since some samples were frozen before analysis, this may have affected recovery of sensitive cell types.

Conclusion

This study offers the most detailed picture yet of how different cell types in the small intestine interact in celiac disease. It shows that immune activity does more than trigger inflammation—it also reshapes the stromal environment and pushes intestinal cells toward an abnormal state. For people with celiac disease, these findings are significant because they provide fresh insight into why tissue damage occurs and why recovery can be slow or incomplete. In the future, treatments aimed at these new pathways may help improve quality of life beyond what is possible with a gluten-free diet alone.

Read more at: cell.com

Celiac.com 10/02/2025 - Celiac disease is an autoimmune condition triggered by gluten, a protein found in wheat, rye, and barley. When gluten is consumed, the immune system attacks the lining of the small intestine, causing damage and interfering with nutrient absorption. This can result in a wide range of symptoms such as diarrhea, bloating, abdominal pain, fatigue, skin conditions, and neurological issues. The only effective treatment is a lifelong strict gluten-free diet, but following such a diet can be difficult. This study examined how well people with celiac disease followed a gluten-free diet and how adherence affected their symptoms, lab values, and overall health over time.

Methods

The study was conducted between November 2022 and June 2023 and involved 300 adults with confirmed celiac disease. Participants were selected from an initial pool of more than 1,200 patients and completed a structured telephone survey. The survey included questions on demographics, diet adherence, gastrointestinal and non-gastrointestinal symptoms, and barriers to following the diet. Medical records were also reviewed to provide baseline lab values and clinical information. Adherence to the gluten-free diet was measured using the validated Biagi questionnaire, which categorizes patients into groups based on how strictly they follow the diet.

Participants were divided into three groups based on the length of time they had followed the diet: short or medium-term (six months or less), long-term (six to 24 months), and very long-term (24 months or more). The study analyzed trends in symptoms, lab values, and comorbidities across these groups.

Results

The average age of participants was 41 years, and most were women (nearly three-quarters). Slightly more than half of the patients (55%) showed strict adherence to the gluten-free diet according to the Biagi questionnaire. Around 28% showed worse adherence as time went on, while about 29% improved. The remainder showed no major changes. Interestingly, some patients who believed they were strictly following the diet were found to have errors when objectively assessed, pointing to a gap between self-perception and actual adherence.

Symptom improvement was observed across many areas. Gastrointestinal symptoms such as abdominal pain, diarrhea, and vomiting improved the longer patients followed the diet. For example, the percentage of patients without abdominal pain rose from 71% in the short-term group to 85% in the very long-term group. Non-gastrointestinal symptoms also improved. Depression showed the most striking change, with the proportion of patients without depression increasing from about 64% in the short-term group to almost 90% in the very long-term group. Anemia and neurological symptoms also showed better outcomes with longer adherence.

Laboratory values reflected improvements as well. Vitamin D and measures of red blood cell health improved, while other values, such as thyroid hormone markers, showed declines that need further exploration. The number of comorbidities decreased over time, suggesting that sticking to the diet helps lower the overall burden of additional health problems. Disorders related to the liver, heart, and gastrointestinal tract (aside from celiac disease itself) became less common in patients who had followed the diet for a long time.

Discussion

This study highlights the challenges and benefits of adhering to a gluten-free diet in real-world conditions. Even though strict adherence is the goal, only about half of patients were able to achieve this. Many reported difficulty due to factors such as limited food availability, high cost of gluten-free options, and confusion from unclear food labeling. Adolescents and young adults often face additional difficulties in social situations, making adherence even more complex. These findings underline the importance of ongoing support from healthcare professionals to help patients manage dietary restrictions.

The improvements in symptoms, mental health, and lab values confirm the critical role of the gluten-free diet in celiac disease management. However, not all symptoms resolved completely, and issues like bloating and constipation remained common. These persistent problems may be linked to gut bacteria changes or other mechanisms not fully addressed by the diet alone. Mental health improvements were particularly encouraging, as depression and anxiety are common among people with celiac disease. Improved mood and reduced fatigue may reflect both physical healing and psychological adjustment to life after diagnosis.

The study also noted the gap between self-reported adherence and objective measures. Some patients believed they were strictly following the diet, but careful assessment revealed ongoing mistakes or cross-contamination. This suggests that regular, structured dietary evaluation should be part of celiac disease follow-up, rather than relying only on patient self-assessment.

Conclusions

This research shows that adherence to a gluten-free diet is challenging but essential for people with celiac disease. Even though many patients struggle, those who successfully follow the diet over time experience meaningful improvements in both physical and mental health. Symptoms such as abdominal pain and depression become less frequent, laboratory markers of nutrient absorption improve, and the overall burden of other health problems decreases. At the same time, persistent difficulties like bloating remind us that diet alone may not address all concerns, and further research is needed to understand these issues better.

For people with celiac disease, this study reinforces the importance of receiving ongoing care that includes not only medical monitoring but also support from dietitians and mental health professionals. Strict gluten-free diet adherence improves quality of life, but patients need guidance and encouragement to overcome the many challenges involved. By addressing barriers such as food access, social pressures, and dietary confusion, healthcare providers can help patients manage their condition more effectively and prevent long-term complications.

Read more: bmcgastroenterol.biomedcentral.com

Watch the video version of this article:

Celiac.com 09/29/2025 - Vitamin D has long been associated with healthy bones and the regulation of calcium in the body. However, scientists now understand that its role extends far beyond skeletal health. Almost every cell in the body has receptors for vitamin D, meaning it can influence hundreds of processes. Vitamin D is created in the skin when exposed to sunlight and can also be consumed in foods or supplements. After being processed in the liver and kidneys, it becomes active and influences cell growth, immunity, and the integrity of tissue barriers such as skin and gut linings.

Deficiency in vitamin D has been linked to autoimmune diseases, heart disease, metabolic syndrome, inflammatory bowel disease, and celiac disease. Researchers are increasingly focusing on how vitamin D may help prevent or manage these chronic conditions by strengthening epithelial barriers and regulating immune responses.

Vitamin D and Skin Health

The skin is both a producer and a target of vitamin D. Active vitamin D helps skin cells mature properly, strengthens the outermost protective layer, and regulates proteins that keep skin cells tightly connected. These actions prevent harmful microbes and allergens from entering the body. In conditions such as atopic dermatitis (eczema) and psoriasis, the skin barrier becomes weakened. Low vitamin D levels are common in people with these conditions, and deficiency may worsen symptoms.

Research shows that vitamin D reduces inflammation by calming overactive immune cells and increasing antimicrobial peptides that protect against bacteria. Clinical studies indicate that supplementation can lessen the severity of eczema and psoriasis, especially when combined with standard treatments. Topical vitamin D creams are also widely used for psoriasis, where they help restore normal skin growth and reduce redness and scaling.

Vitamin D and Cardiovascular Health

Beyond its skin benefits, vitamin D is also active in the heart and blood vessels. Cells lining blood vessels have vitamin D receptors, which allow the vitamin to regulate blood pressure, prevent excess inflammation, and improve vessel flexibility. Deficiency has been associated with high blood pressure, heart attacks, and strokes.

Studies in both animals and humans show that vitamin D can lower blood pressure by reducing overactivity in a hormone system that controls fluid balance. It may also improve cholesterol levels, support insulin function, and reduce oxidative stress. However, large trials on vitamin D supplementation have shown mixed results. Some groups, such as the elderly or those with severe deficiency, appear to benefit more, while others show little change. This suggests that vitamin D may be most important in correcting deficiencies rather than providing extra benefit in already healthy people.

Vitamin D and the Gut Barrier

The intestines serve as one of the body’s most important protective barriers. They allow nutrients to pass through while keeping harmful microbes and toxins out. This barrier relies on specialized proteins that seal cells together and immune cells that respond appropriately to threats. When this system fails, the result is often inflammation and chronic disease.

Vitamin D helps maintain this balance by supporting tight junction proteins, preventing excessive cell death, and encouraging healthy regeneration. It also shapes the immune response in the gut, encouraging tolerance instead of constant inflammation. Importantly, vitamin D affects the composition of gut bacteria, helping maintain a diverse and balanced microbiome. Studies in animals have shown that supplementing with vitamin D can repair damaged intestinal barriers, reduce harmful immune activity, and restore healthy gut structure.

Vitamin D in Inflammatory Bowel Disease and Celiac Disease

Inflammatory bowel diseases such as Crohn’s disease and ulcerative colitis, as well as celiac disease, all involve damage to the intestinal lining. This damage allows antigens and microbes to enter the body, fueling inflammation. Research shows that people with these conditions frequently have low vitamin D levels, and that deficiency is linked with more severe disease and higher relapse rates.

Animal experiments demonstrate that vitamin D supplementation can prevent gluten-induced damage in celiac-like conditions by restoring the tightness of intestinal barriers and reducing immune cell infiltration. In humans, people with celiac disease often improve their vitamin D levels once they start a gluten-free diet, which suggests that healing the gut improves absorption. Supplementation can further support bone strength and well-being in these patients. For inflammatory bowel disease, vitamin D supplementation has been shown to reduce inflammatory markers and lower relapse risk, though results vary depending on baseline levels and dosage.

Why This Matters for People with Celiac Disease

For people with celiac disease, the key to managing symptoms is strict avoidance of gluten. However, even with a gluten-free diet, many continue to face challenges such as weakened bones, persistent fatigue, and ongoing gut inflammation. Vitamin D may offer an additional layer of support by helping to restore barrier function in the intestine, calming inflammation, and strengthening the immune system.

Maintaining healthy vitamin D levels could reduce complications, improve quality of life, and possibly make the gut more resilient to accidental gluten exposure. While more studies are needed, the existing evidence suggests that vitamin D should be considered an important part of comprehensive care in celiac disease, alongside diet and other medical strategies.

Conclusion

Vitamin D is far more than a bone-strengthening nutrient. It is a powerful regulator of the skin, cardiovascular system, and intestinal barrier. By supporting epithelial integrity, balancing immune responses, and working with the microbiome, vitamin D helps the body resist chronic inflammation and disease. For those with conditions such as eczema, psoriasis, heart disease, inflammatory bowel disease, and especially celiac disease, ensuring adequate vitamin D intake may be an important step toward better health and long-term management.

Read more: preprints.org

Celiac.com 09/12/2025 - Celiac disease is a lifelong autoimmune condition where the body reacts negatively to gluten, a protein found in wheat, barley, and rye. Even when people with celiac disease avoid gluten completely, many still experience poor health, both physically and emotionally. This study set out to determine whether eating a Mediterranean-style gluten-free diet could improve quality of life, especially mental well-being, for people living with this condition.

How the Study Was Conducted

The study included 100 adults with celiac disease and 100 healthy individuals matched by age and gender. Researchers assessed how closely participants followed a Mediterranean-style diet using a scoring system called the MedDiet Score. They also evaluated health-related quality of life using a survey that measured two main areas: physical health and mental health. These were labeled as the Physical Component Score and the Mental Component Score.

What Is the Mediterranean Diet?

The Mediterranean diet emphasizes whole, natural foods. It includes lots of fruits, vegetables, legumes, nuts, fish, olive oil, and gluten-free grains such as rice, quinoa, and corn. Red meat and processed foods are limited. Although it is traditionally eaten in countries around the Mediterranean Sea, its health benefits are being recognized worldwide. The diet is rich in antioxidants, healthy fats, and fiber and has been linked to better heart health, reduced inflammation, and improved mental wellness.

Key Findings from the Study

Most participants, whether they had celiac disease or not, showed moderate commitment to the Mediterranean diet. There was no major difference in diet scores between the two groups. However, people with celiac disease reported slightly lower physical health compared to the healthy group. Their mental health scores were also slightly lower but not by a significant margin.

Importantly, the study found a strong connection between better adherence to the Mediterranean diet and improved mental health scores among people with celiac disease. This suggests that those who closely followed the diet felt better mentally. However, there was no such connection between the diet and physical health scores.

Why Mental Health Might Improve with Diet

One possible explanation is that the Mediterranean diet contains nutrients that are known to support brain health. These include omega-3 fatty acids from fish, antioxidants from fruits and vegetables, and B vitamins important for mood and brain function. The diet may also help reduce inflammation and support a healthier balance of gut bacteria—factors increasingly linked to emotional well-being.

In people with celiac disease, the gut is often inflamed or imbalanced, even with strict gluten avoidance. The gut and brain are deeply connected, and disturbances in the gut may impact mood and mental clarity. By supporting gut health through a nutritious diet like the Mediterranean plan, it is possible to improve both emotional and physical wellness over time.

Challenges and Considerations

The study was based on online surveys, which means the data relied on self-reporting and may not reflect the full picture. Also, most participants scored in the moderate range for diet adherence, which made it difficult to assess the effects of very high or very low diet quality. Finally, because the study was a snapshot in time rather than a long-term follow-up, it could not determine cause and effect—only associations.

Nonetheless, these early findings provide meaningful insights into how dietary choices might affect well-being for people with celiac disease. It suggests that what people eat after removing gluten from their diet still matters greatly for their overall quality of life.

Why This Study Matters to People with Celiac Disease

Living with celiac disease requires major changes in eating habits. For many, simply removing gluten is not enough to feel completely well. This study highlights that the quality of the gluten-free diet—not just the absence of gluten—can play a critical role in how people feel, especially when it comes to mental health.

By choosing more whole foods, healthy fats, and fiber-rich gluten-free grains—hallmarks of the Mediterranean way of eating—people with celiac disease may experience fewer emotional difficulties, reduced anxiety, and a better outlook on life. As a result, medical professionals may consider recommending the Mediterranean gluten-free diet not just for nutritional balance, but also to support the emotional resilience of their patients.

Conclusion

While avoiding gluten remains the cornerstone of managing celiac disease, this study shows that embracing a Mediterranean-style gluten-free diet may provide added benefits—particularly for mental well-being. By adopting a more balanced and nutrient-rich way of eating, people with celiac disease may find that they not only manage their condition more effectively but also enjoy a better quality of life overall.

Read more at: gastroenterologyadvisor.com

Celiac.com 09/10/2025 - Amylase/trypsin inhibitors, often shortened to ATIs, are proteins found in cereal grains like wheat and barley. These proteins naturally occur in the grain and help protect the plant against pests by blocking digestive enzymes in insects. However, for some people, ATIs can cause health problems. They are known to trigger allergic reactions and are believed to play a role in conditions like non-celiac wheat sensitivity, where individuals experience symptoms like bloating, abdominal pain, and fatigue after eating wheat or related grains, but do not have celiac disease.

Why Study Barley?

Most of the research so far has focused on ATIs in wheat. Barley, although less often eaten directly than wheat, is widely used in foods like soups, cereals, and beer. Given its close relationship to wheat, researchers suspected barley might also contain ATIs that could cause similar reactions. However, until now, there has been no method to measure ATI levels in barley accurately and completely.

What Did This Study Do?

Researchers in this study developed a new, highly accurate lab technique to measure specific ATI proteins in barley. The method, which uses a tool called LC-MS/MS (a type of mass spectrometry), allowed them to detect and quantify ten different types of ATIs that are unique to barley. These included:

• Two amylase-inhibitors (monomeric and dimeric forms)
• Four chloroform/methanol-soluble inhibitors
• Three subtilisin/chymotrypsin-inhibitors
• One inhibitor that blocks both amylase and subtilisin enzymes

Using this new method, they analyzed 181 types of barley from around the world. This included both two-row and six-row varieties (referring to the structure of the grain head) from different genetic backgrounds. Their goal was to see how ATI levels varied and whether certain types of barley naturally contained more or less of these potentially problematic proteins.

Key Findings

The study found that ATI content in barley varies significantly, ranging from about 1.1 to 5.2 milligrams per gram of barley. This makes up roughly 0.7% to 3.6% of the total protein in the grain. Importantly, they found no clear pattern between the type of barley (two-row vs. six-row) and the amount of ATIs present.

The researchers also identified a few barley varieties that had especially low ATI levels. These included cultivars from Eritrea, Greece, and Ethiopia. These specific types of barley may be useful in developing new food products that are easier to tolerate for people who are sensitive to ATIs.

How the Method Was Developed

The researchers used a comprehensive approach to identify “marker peptides,” which are small pieces of protein that are unique to each ATI. They carefully selected ten of these markers based on factors like signal quality, size, and stability during testing. They then validated their method by ensuring it could accurately and consistently detect the ATIs across many samples.

One challenge was that many ATI proteins in barley are very similar in structure, so distinguishing between them required high precision. The method they developed is the first to allow for absolute quantification—meaning it doesn’t just show the presence of ATIs, but gives an exact measurement.

Why This Study Matters for People with Celiac Disease or Sensitivities

Although ATIs are not the same as gluten (the protein that causes harm in celiac disease), they can still activate the immune system and contribute to gut inflammation. This can worsen symptoms for people with celiac disease or trigger issues in those with non-celiac wheat sensitivity. By identifying barley varieties with lower levels of ATIs, food producers can potentially create barley-based foods that are safer and more comfortable for sensitive individuals. This includes not only food items but also beverages like beer, which is traditionally made from barley.

For those with celiac disease this new test can potentially be used to detect barley, including barley-derived gluten, in foods at concentrations of 20 parts per million (ppm) or less—a threshold that aligns with international gluten-free labeling standards. Traditional gluten detection methods often lack the sensitivity or specificity to identify barley proteins, particularly in processed foods or when barley is present in trace amounts. However, the use of mass spectrometry targeting specific amylase-trypsin inhibitors (ATI proteins), which are unique to barley, offers a more precise and sensitive approach. This makes it possible to identify and quantify barley even when present at very low levels, potentially filling a critical gap in current food testing protocols. For individuals with celiac disease who must avoid barley as strictly as wheat and rye, this advancement could provide a much-needed tool for ensuring the safety of gluten-free labeled products.

Looking Ahead

The new method developed in this study opens the door to further research and development. Scientists can now look at how growing conditions or processing methods affect ATI levels in barley. Breeders can begin working with low-ATI varieties to create safer grains. Eventually, consumers may have access to barley foods and drinks that are both nutritious and less likely to cause discomfort.

Conclusion

This study represents a significant step in understanding how specific proteins in barley may affect human health. With a validated method to measure ATIs, researchers and food producers are better equipped to explore new dietary solutions for people with sensitivities. For individuals living with celiac disease or related conditions, this could mean more dietary choices that are easier to digest and better support overall well-being.

Read more at: sciencedirect.com

Celiac.com 09/08/2025 - This study explored how adults with newly diagnosed celiac disease often suffer from imbalanced levels of vitamins and trace elements. Researchers compared 59 celiac patients to 59 healthy individuals of similar age, gender, and ethnicity. They measured 17 different vitamins and 10 trace elements in blood samples, along with basic health indicators like body mass index, albumin, and hemoglobin. The goal was to understand how nutrient deficiencies or excesses may relate to disease severity and intestinal damage in celiac patients.

Who Was Involved in the Study

All participants were either newly diagnosed celiac disease patients or healthy individuals who matched in age, gender, and ethnic background. The study excluded anyone with serious chronic diseases, recent supplement use, or organ dysfunction to ensure accurate results. The celiac patients were diagnosed using widely accepted medical guidelines, which included blood tests and examination of small intestinal tissue.

How Micronutrients Were Measured

Researchers used a highly accurate method called liquid chromatography-mass spectrometry to measure the levels of vitamins and trace elements in blood samples. The tested vitamins included fat-soluble ones like A, D, E, and K, as well as water-soluble types such as B-complex vitamins and vitamin C. For trace elements, the study analyzed iron, copper, zinc, selenium, calcium, and others that are critical for health.

Key Findings on Nutrient Levels

The study revealed that people with newly diagnosed celiac disease had notably lower levels of many important nutrients when compared to healthy individuals. These included vitamins A, E, and K2, along with B6, B7, and the trace element zinc. In fact, over 85 percent of celiac patients were deficient in vitamin A. About one-third were low in vitamin E, and over one-quarter had low vitamin K2 (MK-7). Zinc deficiency was also common.

Surprisingly, the study found that vitamin B3 and the trace element chromium were higher than normal in celiac patients. Around 75 percent had too much vitamin B3 in their system, compared to just over half of healthy participants. This suggests that not all nutrient issues in celiac disease involve deficiency—some may involve excessive levels, possibly due to how the body processes nutrients during inflammation.

How Nutrient Imbalance Relates to Disease Severity

The research team found a direct link between the severity of intestinal damage and levels of certain nutrients. For instance, patients with more advanced intestinal tissue damage had significantly lower levels of vitamin C, iron, and calcium. Additionally, higher levels of a specific antibody (tTG-IgA), which signals immune response in celiac disease, were associated with lower levels of vitamins D and E.

Another key finding was that patients who had traditional digestive symptoms, such as diarrhea and weight loss, had more severe drops in vitamin A than those whose symptoms were not focused on the digestive system.

What This Means for Newly Diagnosed Patients

When someone is first diagnosed with celiac disease, doctors usually focus on removing gluten from the diet. However, this study highlights that more needs to be done. Many of these patients are already suffering from serious vitamin and mineral imbalances that could affect their healing and long-term health if not corrected early on.

Specifically, it is recommended that patients get tested for vitamins A, E, K1, K2, B6, B7, and minerals like iron and zinc. These are the nutrients most likely to be missing or out of balance due to inflammation in the gut, which disrupts how the body absorbs them from food.

Why This Study Matters

For people with celiac disease, untreated nutrient deficiencies can lead to complications such as anemia, poor immune function, bone weakness, and fatigue. By identifying which vitamins and minerals are most often affected at the time of diagnosis, doctors can begin correcting these issues sooner. This helps patients recover faster, feel better, and avoid long-term problems. The study also shows that some patients may even have unusually high levels of certain nutrients, which could require different forms of monitoring or treatment.

Overall, the findings emphasize the importance of looking beyond just gluten when treating celiac disease. Nutritional care should be part of the initial diagnosis and management plan to ensure full recovery and a better quality of life.

Read more at: nature.com

Watch the video version of this article:

Celiac.com 09/05/2025 - Celiac disease is an autoimmune condition where eating gluten—a protein found in wheat, barley, and rye—triggers damage to the small intestine. While genetics play a role, environmental factors, particularly those in early life, are believed to influence whether someone develops the disease. This study, based on a large group of Norwegian children, examined whether a child's overall diet in their second year of life affects their likelihood of developing celiac disease later on.

Study Design and Participants

Researchers used data from the Norwegian Mother, Father and Child Cohort Study, which followed over 64,000 children born between 2002 and 2009. Dietary information was collected through questionnaires when the children were 18 months old. The study tracked each child’s health over an average period of 16 years using national health records to identify cases of celiac disease.

What Was Measured

Two key measures were used to assess the children’s diets:

• Dietary Diversity Score (ranging from 0 to 4): This score reflected how many different types of foods—such as fruits, vegetables, grains, dairy, and proteins—a child consumed regularly.
• Healthy Eating Index (ranging from 0 to 36): This index measured the overall quality of the diet, focusing on how closely the child's eating habits aligned with established dietary guidelines.

Key Findings

By the end of the study, 1.6% of the children had been diagnosed with celiac disease. The results showed:

• Children with higher dietary diversity at 18 months had a modestly lower risk of developing celiac disease later on.
• This protective association remained significant even after accounting for genetic risk, breastfeeding, gluten intake, and infections during infancy.
• Surprisingly, the overall “healthy eating” score did not appear to influence celiac disease risk.

Possible Explanations

A more diverse diet may expose a child’s developing immune system to a wider range of food antigens, which could help train the body to tolerate different substances, including gluten. It may also influence the gut microbiome, the community of bacteria living in the digestive system, which is known to affect immune function.

Interestingly, children who experienced more infections during early life seemed to benefit even more from having a varied diet. This suggests that dietary diversity might buffer some of the risks associated with early infections—a known factor in celiac disease development.

What This Study Does Not Show

While the findings are compelling, the study cannot prove cause and effect. Because it is observational, other unmeasured factors could have influenced the results. Also, the diet assessments relied on parent-reported questionnaires, which may be subject to inaccuracies.

Furthermore, the measure of “healthy eating” used in this study focused on limiting sugar and red meat, while promoting fruits, vegetables, and whole grains. It may not fully capture other protective or harmful dietary patterns related to celiac disease.

Why This Matters for People with Celiac Disease

Although the study focused on preventing the disease rather than managing it, the results highlight the potential importance of early-life dietary habits. For families with a history of celiac disease or known genetic risk, this study suggests that encouraging a broad, varied diet in toddlers might reduce the likelihood of developing the condition.

It also opens the door for more research on how diet diversity interacts with other environmental factors like infections and gut health in shaping the immune system’s tolerance to gluten.

Conclusion

This large-scale Norwegian study found that toddlers who eat a wider variety of foods at 18 months of age are slightly less likely to develop celiac disease as they grow older. However, simply eating a diet that meets general health recommendations without being diverse does not appear to have the same effect. These findings encourage further investigation into how early-life nutrition might help prevent autoimmune diseases like celiac disease, especially for children with known risk factors.

Read more at: clinicalnutritionjournal.com

Celiac.com 09/03/2025 - People with celiac disease must avoid gluten completely to prevent symptoms and long-term damage to their intestines. However, checking if someone is truly following a gluten-free diet has always been difficult. Traditional methods rely on self-reports or dietary assessments, which can miss unintentional gluten exposures. This study looked at whether a new testing method—called gluten immunogenic peptide (GIP) detection—could accurately and easily spot gluten intake. GIP tests detect fragments of gluten that pass through the digestive system and appear in stool or urine. Researchers compared two testing approaches: stool-based and urine-based, using point-of-care (POC) kits designed for convenience and home use.

Study Overview

The study included 10 children with Crohn’s disease who followed a strict gluten-free diet for three weeks after completing a specialized formula-only diet. Researchers collected 78 stool and urine samples throughout the study period and used both traditional laboratory tests (called ELISA) and two types of POC kits to detect GIP. To add comparison, 17 healthy adults also provided single samples after a strict gluten-free regimen.

Main Results

The lab-based test (ELISA) detected signs of gluten exposure in 8 out of 10 children, while standard dietary reviews only flagged 2 children. This shows that even with professional diet advice, many exposures can go unnoticed unless more precise tools like GIP testing are used.

The POC stool test performed almost as well as the lab test, showing an 88% match. The POC urine test, however, was much less accurate—matching results only 73% of the time with the ELISA test. These findings suggest that stool testing is far more reliable than urine testing for spotting gluten exposure.

Why Stool Testing Was More Accurate

Gluten remnants appear in stool for up to seven days after being eaten, giving a longer window for detection. In contrast, GIP in urine is typically only present for 6 to 9 hours after gluten is consumed. That short window may cause urine tests to miss many exposures, especially if the sample isn’t collected at the right time.

Even small amounts of gluten, such as a fraction of a slice of bread, can be detected in stool with the POC kit. However, the kit might miss extremely low exposures, which could still trigger symptoms in people with celiac disease.

Cost and Practicality

The stool POC kit doesn’t require a lab, making it much more practical and affordable for regular use. It can be done at home or in a clinic without special training. In contrast, the urine POC test’s lower accuracy limits its usefulness, even though collecting urine might seem easier.

Limitations of the Study

This research involved a small number of children and adults, making it difficult to apply the findings to all age groups. Another issue was that participants’ exact gluten intake times weren’t always recorded, which matters more for urine testing. Also, the study used single urine samples, which might have contributed to lower detection accuracy. Despite these challenges, using repeated stool samples helped strengthen the conclusions.

Implications for People with Celiac Disease

The results of this study could be very helpful for people with celiac disease. Many patients believe they are avoiding gluten, but may unknowingly be consuming it in small amounts. Stool-based GIP testing offers an accurate, easy-to-use option for identifying hidden gluten exposure—something that traditional diet tracking often misses.

By catching these missed exposures, healthcare providers can offer better advice, and patients can adjust their diets more effectively. This could improve symptoms, prevent long-term damage, and lead to better overall treatment outcomes.

Conclusion

This study shows that a simple stool test using a point-of-care kit can accurately detect gluten exposure in people following a gluten-free diet. It works almost as well as lab-based methods and could be a valuable tool for doctors and patients managing celiac disease. Urine tests, on the other hand, were far less reliable and may not be suitable for regular monitoring. Overall, stool GIP testing could become a practical and powerful way to support better compliance and health outcomes for those living with celiac disease.

Read more at: nature.com

Celiac.com 09/01/2025 - People with celiac disease must follow a strict gluten-free diet to avoid triggering an immune response that can damage their small intestine. However, accidental gluten exposure still occurs, often in small amounts through cross-contamination or mislabeled foods. This has led to the popularity of over-the-counter enzyme supplements that claim to help digest gluten. This study investigates how well these digestive enzymes actually break down harmful gluten proteins when taken with a common food item—pizza—and whether they could help reduce immune responses in people with celiac disease.

The Goal of the Study

The primary goal of this research was to evaluate how effective three different commercial enzyme supplements are at breaking down gluten proteins in pizza. Researchers wanted to understand whether these supplements can reduce the amount of gluten peptides that are harmful to people with celiac disease. They used a laboratory digestion model that mimics how food moves through the stomach and intestines and then analyzed what was left behind.

Overview of Enzyme Supplements Tested

The study focused on three enzyme supplements:

• Supplement S1 and S2: These contained a mix of digestive enzymes including dipeptidyl peptidase IV, other proteases, and enzymes that break down starches.
• Supplement S3: This contained a specific enzyme called prolyl endopeptidase from Aspergillus niger (AN-PEP), which targets gluten peptides more specifically.

How the Study Was Conducted

Pizza samples were digested using a model that simulates the human digestive process. The digestion occurred in two stages: the stomach (gastric phase) and the small intestine (gastroduodenal phase). Researchers tested the breakdown of proteins at each stage and used several methods to measure the presence and activity of harmful gluten peptides. They also checked how the digested peptides affected immune cells from individuals with celiac disease.

Main Findings

1. Supplements Boost Protein Breakdown

All three supplements helped speed up protein digestion during the stomach phase, especially S1 and S2, which also contained enzymes that break down starch. These enzymes may help expose gluten proteins to other digestive enzymes, making them easier to break apart.

2. S3 (AN-PEP) Was Best at Reducing Harmful Gluten Peptides

While S1 and S2 were effective at breaking down proteins in general, S3 was better at targeting the gluten peptides that trigger immune reactions in celiac patients. Lab tests showed that S3-treated samples contained lower amounts of harmful gluten fragments compared to the control and the other two supplements.

3. No Supplement Completely Eliminated Immune Response

Despite improvements, none of the supplements were able to fully eliminate gluten's ability to activate immune cells. Even with enzyme treatment, digested pizza samples still triggered responses from gluten-sensitive T cells, especially after the stomach digestion stage. This means small amounts of immunogenic gluten peptides remained in all samples.

4. Testing Methods Matter

The study used two types of laboratory tests (R5 and G12 ELISA) to measure remaining gluten. These tests sometimes gave different results, showing that no single test gives the full picture. Additionally, immune cell testing provided more direct insight into whether the digested food could still trigger a harmful immune response.

What This Means for People with Celiac Disease

This study highlights both the promise and the limitations of using digestive enzyme supplements as a safety net for those with celiac disease. While some enzyme blends—especially those with prolyl endopeptidase—can reduce the amount of harmful gluten peptides, they cannot completely neutralize them, even in small servings of food like pizza. Therefore, relying on these supplements to protect against accidental gluten exposure may offer some benefits but cannot replace a strict gluten-free diet.

Why This Study Is Important

This research provides a realistic look at how digestive enzyme supplements behave in complex foods rather than in isolated lab conditions. It also shows the importance of using multiple methods to assess gluten breakdown and immunogenicity. For patients with celiac disease, this kind of study offers valuable information about what enzyme supplements can and cannot do. It can also guide future research toward developing more effective therapies for managing accidental gluten exposure.

Conclusion

Enzyme supplements can help break down gluten to some extent, especially when they contain specialized enzymes like prolyl endopeptidase. However, they are not foolproof and should not be seen as a license to eat gluten-containing foods. People with celiac disease should continue to avoid gluten strictly and consult with healthcare providers before using these supplements. Continued research is essential to develop enzyme therapies that might one day offer better protection or treatment options.

Read more at: sciencedirect.com

Watch the video version of this article:

Celiac.com 08/22/2025 - In recent years, many people without a diagnosis of celiac disease have chosen to avoid gluten, often because they believe it causes them discomfort or gastrointestinal symptoms. This trend has sparked debate over whether these individuals might have a condition such as non-celiac gluten sensitivity or another undiagnosed illness. The long-term effects of avoiding gluten in people who do not have celiac disease remain poorly understood. This study, conducted in Finland, offers a rare look at what happens over 25 years to people who experienced symptoms from eating gluten but were confirmed not to have celiac disease or wheat allergy.

Study Background and Design

The study began between 1995 and 1997 with a group of adults who reported digestive symptoms after eating foods containing wheat, barley, or rye. After undergoing thorough testing, 76 of these individuals were found not to have celiac disease or wheat allergy. At that time, they were advised to return to a normal diet that included gluten. In 2021, researchers located 28 of the original participants and invited them to undergo a follow-up assessment. These individuals were compared to two control groups: one group of healthy people with no celiac disease, and one group of people with celiac disease who had not yet begun a gluten-free diet.

Health and Symptom Assessment

At the follow-up visit, participants underwent medical evaluations, blood tests to screen again for celiac disease, and completed questionnaires that measured gastrointestinal symptoms and overall well-being. Remarkably, none of the participants had developed celiac disease or any other chronic gastrointestinal condition over the 25-year period. Blood tests for celiac-related antibodies were negative for all participants.

Persistent Symptoms and Quality of Life Issues

Despite not having celiac disease, the participants reported significantly more digestive symptoms than healthy controls. Their symptom scores were also higher than those of individuals with untreated celiac disease. Many participants complained of constipation, abdominal pain, bloating, and discomfort after eating. Quality of life assessments showed that they also experienced more anxiety, lower energy levels, reduced sense of control, and worse general health.

In total, 12 of the 28 participants met the official criteria for irritable bowel syndrome, even though they had never received a formal diagnosis. Furthermore, the psychological burden was high—rates of depression among participants were three times greater than the national average in Finland. These findings suggest that the participants’ symptoms were not only physical but also emotional.

Gluten Avoidance Over Time

Interestingly, about half of the participants were still avoiding gluten-containing foods 25 years after the original study. However, there was no clear difference in symptoms or quality of life between those who continued to avoid gluten and those who did not. While the sample size was too small to draw firm conclusions, this suggests that avoiding gluten may not be the only factor influencing their symptoms.

Some participants who avoided gluten reported being monitored by doctors for their dietary habits, but none had received regular follow-up from a registered dietitian. The lack of professional nutritional guidance may have contributed to ongoing symptoms or dietary imbalances.

Possible Explanations for Symptoms

Although gluten was the original suspect in these individuals’ symptoms, the study suggests that other factors may be at play. Several participants had genetic markers that are common in people with celiac disease, which may make them more sensitive to wheat proteins even if they do not have the full disease. Others may have had non-celiac gluten sensitivity or a non-allergic food intolerance.

Another explanation involves a diet low in fermentable carbohydrates, known as a low-FODMAP diet. This type of eating pattern also reduces gluten-containing foods and has been shown to improve symptoms in people with irritable bowel syndrome. In some cases, it may not be gluten itself but other components in wheat—such as fructans—that trigger symptoms.

Psychological and Nutritional Considerations

The study also uncovered mental health challenges among participants, including elevated rates of depression and anxiety. These issues can both cause and result from chronic gastrointestinal distress, leading to a cycle of discomfort and emotional strain. The findings point to a need for more mental health support in people who experience long-term food-related symptoms, even if they do not have a diagnosed disease.

Moreover, the continued avoidance of gluten without medical supervision may have led to unintended nutritional consequences. Without proper guidance, individuals on restricted diets may lack key nutrients, which can contribute to fatigue, low mood, and other physical symptoms.

What This Means for People with Celiac Disease and Gluten Sensitivity

For those with celiac disease, this study reinforces the importance of proper diagnosis and medical follow-up. While it may be tempting to self-diagnose and avoid gluten, doing so without thorough testing can lead to uncertainty and overlooked health issues. In contrast, for individuals who are sensitive to gluten but do not have celiac disease, this study highlights the complexity of managing symptoms over time. Even after 25 years, many participants continued to struggle with gastrointestinal and emotional symptoms, often without clear answers.

Healthcare providers should be aware that people who report sensitivity to gluten need more than just testing—they also need long-term support, possibly including mental health care, nutritional counseling, and symptom tracking. Better diagnostic tools are still needed to identify non-celiac gluten sensitivity or related conditions with more accuracy.

Conclusion

In summary, this 25-year follow-up study found that individuals who experienced symptoms from eating gluten-containing foods—but did not have celiac disease—did not go on to develop the disease or other intestinal conditions. However, they continued to report more digestive discomfort and a lower quality of life than both healthy individuals and even some people with untreated celiac disease. Half continued to avoid gluten decades later, often without guidance. These findings suggest that gluten sensitivity, while not always tied to a diagnosable disease, is a real and lasting concern for many people. Addressing it requires a thoughtful, individualized approach that includes medical, dietary, and emotional support.

Read more at: nature.com