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      Frequently Asked Questions About Celiac Disease   04/24/2018

      This Celiac.com FAQ on celiac disease will guide you to all of the basic information you will need to know about the disease, its diagnosis, testing methods, a gluten-free diet, etc.   Subscribe to Celiac.com's FREE weekly eNewsletter   What is Celiac Disease and the Gluten-Free Diet? What are the major symptoms of celiac disease? Celiac Disease Symptoms What testing is available for celiac disease?  Celiac Disease Screening Interpretation of Celiac Disease Blood Test Results Can I be tested even though I am eating gluten free? How long must gluten be taken for the serological tests to be meaningful? The Gluten-Free Diet 101 - A Beginner's Guide to Going Gluten-Free Is celiac inherited? Should my children be tested? Ten Facts About Celiac Disease Genetic Testing Is there a link between celiac and other autoimmune diseases? Celiac Disease Research: Associated Diseases and Disorders Is there a list of gluten foods to avoid? Unsafe Gluten-Free Food List (Unsafe Ingredients) Is there a list of gluten free foods? Safe Gluten-Free Food List (Safe Ingredients) Gluten-Free Alcoholic Beverages Distilled Spirits (Grain Alcohols) and Vinegar: Are they Gluten-Free? Where does gluten hide? Additional Things to Beware of to Maintain a 100% Gluten-Free Diet What if my doctor won't listen to me? An Open Letter to Skeptical Health Care Practitioners Gluten-Free recipes: Gluten-Free Recipes
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    PREDICTORS FOR CELIAC DISEASE IN ADULT CASES OF DUODENAL INTRAEPITHELIAL LYMPHOCYTOSIS


    Jefferson Adams

    Celiac.com 09/15/2014 - Duodenal intraepithelial lymphocytosis (D-IEL) is an early marker for celiac disease, even though a majority of cases are due to non-celiac disease conditions.


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    Photo: Wikimedia Commons--Eva K.Researchers I. Aziz, T. Key, J.G. Goodwin, and D.S. Sanders wanted to identify the predictors of celiac disease in patients presenting with D-IEL. For their study, they reviewed 215 adults with D-IEL who had undergone prospective and systematic evaluation for celiac disease and other recognized associations. They confirmed celiac disease based on presence of HLA-DQ2 and/or DQ8, persistence or progression of D-IEL following a gluten challenge, and an improvement in symptoms with a gluten-free diet.

    To compare factors in celiac and non-celiac cases, and to determine their sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV), the team used binary logistic regression models, adjusted for age and sex. They diagnosed celiac disease in 48 cases (22%) and non-celiac in 167 cases (78%). They found no statistical difference between the celiac and non-celiac group in terms of baseline demographics, anemia, hematinics, or clinical symptoms, such as diarrhea, weight loss, abdominal pain.

    Compared with their non-celiac counterparts, celiac patients were significantly more likely to have a positive family history of celiac disease (21% vs. 3.6%, OR 6.73; PPV 62.5%, NPV 81%, specificity 96.4%), positive HLA-DQ status (100% vs. 49.1%; PPV 36.4%, NPV 100%, specificity 50.9%), and presence of endomysial antibody (EMA) (48% vs. 0%; PPV 100%, NPV 87%, specificity 100%); all P≤0.001.

    A total of 29.2% celiac and 83.2% non-celiac cases showed normal tissue transglutaminase antibody (TTG) levels (OR 0.084, P<0.001; PPV 9.2%).

    Between the groups, there was no difference in the prevalence of TTG levels 1 to 2×upper limit of normal (29.2% celiac vs. 14.4% non-celiac; PPV 33% to 38%). However, TTG levels between 3 and 20×ULN were much more common in the celiac group (33.3% vs. 2.4%, PPV 66.6% to 89%), whereas a TTG>20×ULN was exclusive to celiac disease (8.3%, P<0.001, PPV 100%).

    For patients with D-IEL, only a positive EMA or TTG greater than 20×ULN at the outset can yield an immediate celiac diagnosis. On their own, factors such as gastrointestinal symptoms, family history, anemia, or other celiac serology results do not reliably distinguish celiac from non-celiac patients.

    Source:


    Image Caption: Photo: Wikimedia Commons--Eva K.
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    admin

    JAMA 2002;287:1413-1419.
    Celiac.com 04/12/2002 - According to a report published in the March 20th issue of the Journal of the American Medical Association, people with celiac disease are three times more likely to develop non-Hodgkin lymphoma (NHL) than the normal population. Dr. Carlo Catassi and colleagues from the University of Maryland in Baltimore compared the prevalence of celiac disease in 653 NHL patients with more than 5,000 healthy control subjects to determine the NHL-celiac disease occurrence rate. The results indicate that 1% of NHL patients also have celiac disease, in comparison with 0.42% of the healthy controls. Adjustments were made for age and sex, and the final results indicate that the odds ratios for a patient with celiac disease of developing NHL are: 3.1 for all types of NHL, 16.9 for gut NHL, and 19.2 for T-cell NHL. The overall risk, however, for someone with celiac disease developing NHL is only 0.63%.
    The researchers do not feel that their findings support mass screening for celiac disease, but they do feel that selected NHL patients should be screened for celiac disease. We would also like to add that these findings support the screening of people with celiac disease for NHL, which was not directly addressed by the report.

    admin

    Gut 2005;54:54-59. Celiac.com 01/20/2005 - A link between untreated celiac disease and a rare enteropathy-type T-cell lymphoma (ETTL) has been well established by several studies. According to Dr. Karin Ekstrom Smedby of the Karolinska Institute in Stockholm and colleagues, there is also an increase in the prevalence of other types of lymphomas in those with celiac disease, such as B cell and non-intestinal lymphomas. In their study the researchers reviewed and reclassified 56 cases of malignant lymphomas that occurred in 11,650 hospitalized celiac disease patients in Sweden. The observed numbers of lymphoma subtypes were compared with those expected in the Swedish population. The researchers discovered that a majority of the lymphomas were not intestinal T-cell lymphomas, but were B-cell non-Hodgkin lymphoma (NHL). In addition, 44% of the patients with B cell NHL had a history of other autoimmune/inflammatory diseases. As expected, the relative risks for T-cell NHL and primary gastrointestinal lymphomas were markedly increased. According to the researchers: "Most lymphomas complicating coeliac disease are indeed related to the disease and are not of the ETTL-type. There was a remarkable aggregation of autoimmune/inflammatory disorders, female sex, coeliac disease, and B cell lymphoma."

    Jefferson Adams
    Celiac.com 05/19/2010 - Enteropathy-associated T cell lymphoma is a serious complication of celiac disease, and a major cause of mortality in untreated celiac disease.
    One possible trigger for Enteropathy-associated T cell lymphoma development is chronic exposure of intraepithelial lymphocytes (IELs) to strong anti-apoptotic signals, that is, signals that interfere in the normal mortality of the IEL cells. These signals are triggered by IL-15, a cytokine that is over-expressed in the enterocytes of people with celiac disease.
    However, researchers have not yet fully mapped the signaling pathway by which IL-15 transmits these anti-apoptotic signals. Researchers consider type II refractory celiac disease (RCDII) to be a middle step between celiac disease and enteropathy-associated T cell lymphoma.
    Eliminating abnormal IELs at the RCDII stage would likely block EATL development. So far, though, scientists have not found successful immunosuppressive and/or chemotherapeutic approaches able to accomplish this, and RCDII outcomes remain very poor.
    A team of researchers recently set out to map the IL-15–driven survival pathway in human IELs, and to determine whether IL-15 triggered pathway in human intraepithelial lymphocytes represents a possible new target in type II refractory celiac disease and enteropathy-associated T cell lymphoma.
    The research team was made up of Georgia Malamut, Raja El Machhour, Nicolas Montcuquet, Séverine Martin-Lannerée, Isabelle Dusanter-Fourt, Virginie Verkarre, Jean-Jacques Mention, Gabriel Rahmi, Hiroshi Kiyono, Eric A. Butz, Nicole Brousse, Christophe Cellier, Nadine Cerf-Bensussan, and Bertrand Meresse.
    The are variously affiliated with INSERM U989, the Université Paris Descartes, Faculté de Médecine René Descartes, the Department of Gastroenterology, AP-HP, Hôpital Européen Georges Pompidou, the Institut Cochin, Université Paris Descartes, CNRS (UMR 8104), INSERM U1016, the Department of Pathology, AP-HP, of the Hôpital Necker-Enfants Malades in Paris, with the Division of Mucosal Immunology, Department of Microbiology and Immunology at the Institute of Medical Science at the University of Tokyo in Japan, and the Inflammation Department of AMGEN Inc., in Seattle, Washington, USA.
    Their current findings reveal that the survival signals IL-15 directs to freshly isolated human IELs, and to human IEL cell lines derived from celiac disease patients with type II refractory celiac disease, depend on anti-apoptotic factors Bcl-2 and/or Bcl-xL.
    The signals require IL-15Rβ, Jak3, and STAT5 for proper function, but functioned independently of PI3K, ERK, and STAT3. In support of these findings, the team recorded elevated levels of Bcl-xL, phospho-Jak3, and phospho-STAT5 in IELs from patients with active celiac disease and RCDII.
    Moreover, by incubating patient duodenal biopsies with a fully humanized human IL-15–specific Ab, the team effectively blocked Jak3 and STAT5 phosphorylation.
    Also, treatment with IL-15–specific Ab caused IEL cell mortality, and wiped out the massive IEL build-up in mice over-expressing human IL-15 in their gut epithelium.
    The study marks the first successful mapping of the IL-15–driven survival pathway in human IELs, and demonstrates that IL-15 and its downstream effectors are meaningful therapeutic targets in RCDII.
    These findings will likely help to pave the way for the development of successful immunosuppressive and/or chemotherapeutic treatments that destroy abnormal IELs at the RCDII stage and help to block EATL development, improving outcomes for RCDII patients.
    Source:

    Journal of Clinical Investigation doi:10.1172/JCI41344

    Jefferson Adams
    Celiac.com 01/18/2012 - A number of small studies have shown a connection between celiac disease and various gastrointestinal (GI) cancers, but the results haven't been corroborated by larger studies, or by blood and biopsy analysis of large populations. That means that researchers just haven't been able to say with certainty what the results of those smaller studies might mean about cancer risks for the larger population.
    Recently, a clinical team set out to assess GI cancer risks for a larger population. The study team included Peter Elfström, Fredrik Granath, Weimin Ye, and Jonas F. Ludvigsson. They assessed risk GI cancers by using data from large groups of patients with either celiac disease, inflammation, or latent celiac disease.
    They assessed data from 28,882 patients with celiac disease, all with villous atrophy, and Marsh scores of 3. They also assessed data for 12,680 patients with inflammation, all with Marsh scores of 1–2. They evaluated biopsy samples at 28 different pathology centers.
    They assessed a third group of 3705 patients with latent celiac disease, that is, with normal mucosa, but positive blood tests. The team then compared the results against data from an age- and sex-matched population.
    They found that 372 of the patients with celiac disease developed incident GI cancers, while 347 patients with inflammation, and 38 with latent celiac disease developed GI cancers.
    That means that the first year after diagnosis and initial biopsy, celiac disease carried a 5.95-times greater risk of incident GI cancer, with a 95% confidence interval [CI], 4.64–7.64). The hazard ratio
    for inflammation was 9.13 (95% CI, 7.19–11.6) and for latent celiac disease was 8.10 (95% CI, 4.69–14.0). After the first year, patients showed no significant increase in GI cancer risk.
    The HR for celiac disease was 1.07 (95% CI, 0.93–1.23), for inflammation it was 1.16 (95% CI, 0.98–1.37). HR for latent celiac disease it was 0.96 (95% CI, 0.56–1.66).
    The absolute risk for any GI cancer in people with celiac disease was 101/100,000 person-years, with an excess risk of 2/100,000 person-years.
    The results carried some relatively good news. That is, even though celiac disease, inflammation, and latent disease all increase a person's risk for GI cancers in the first year after diagnosis, there is no increase in risk beyond the first year.
    Source:

    Clinical Gastroenterology and Hepatology. Volume 10, Issue 1 , Pages 30-36, January 2012

  • Recent Articles

    Tammy Rhodes
    Celiac.com 04/24/2018 - Did you know in 2017 alone, the United States had OVER TENS OF THOUSANDS of people evacuate their homes due to natural disasters such as fires, floods, hurricanes, tornadoes and tsunamis? Most evacuation sites are not equipped to feed your family the safe gluten free foods that are required to stay healthy.  Are you prepared in case of an emergency? Do you have your Gluten Free Emergency Food Bag ready to grab and go?  
    I have already lived through two natural disasters. Neither of which I ever want to experience again, but they taught me a very valuable lesson, which is why I created a Gluten Free Emergency Food Bag (see link below). Here’s my story. If you’ve ever lived in or visited the Los Angeles area, you’re probably familiar with the Santa Ana winds and how bitter sweet they are. Sweet for cleaning the air and leaving the skies a brilliant crystal blue, and bitter for the power outages and potential brush fires that might ensue.  It was one of those bitter nights where the Santa Ana winds were howling, and we had subsequently lost our power. We had to drive over an hour just to find a restaurant so we could eat dinner. I remember vividly seeing the glow of a brush fire on the upper hillside of the San Gabriel Mountains, a good distance from our neighborhood. I really didn’t think much of it, given that it seemed so far from where we lived, and I was hungry! After we ate, we headed back home to a very dark house and called it a night. 
    That’s where the story takes a dangerous turn….about 3:15am. I awoke to the TV blaring loudly, along with the lights shining brightly. Our power was back on! I proceeded to walk throughout the house turning everything off at exactly the same time our neighbor, who was told to evacuate our street, saw me through our window, assuming I knew that our hillside was ablaze with flames. Flames that were shooting 50 feet into the air. I went back to bed and fell fast asleep. The fire department was assured we had left because our house was dark and quiet again. Two hours had passed.  I suddenly awoke to screams coming from a family member yelling, “fire, fire, fire”! Flames were shooting straight up into the sky, just blocks from our house. We lived on a private drive with only one way in and one way out.  The entrance to our street was full of smoke and the fire fighters were doing their best to save our neighbors homes. We literally had enough time to grab our dogs, pile into the car, and speed to safety. As we were coming down our street, fire trucks passed us with sirens blaring, and I wondered if I would ever see my house and our possessions ever again. Where do we go? Who do we turn to? Are shelters a safe option? 
    When our daughter was almost three years old, we left the West Coast and relocated to Northern Illinois. A place where severe weather is a common occurrence. Since the age of two, I noticed that my daughter appeared gaunt, had an incredibly distended belly, along with gas, stomach pain, low weight, slow growth, unusual looking stool, and a dislike for pizza, hotdog buns, crackers, Toast, etc. The phone call from our doctor overwhelmed me.  She was diagnosed with Celiac Disease. I broke down into tears sobbing. What am I going to feed my child? Gluten is everywhere.
    After being scoped at Children's Hospital of Chicago, and my daughters Celiac Disease officially confirmed, I worried about her getting all the nutrients her under nourished body so desperately needed. I already knew she had a peanut allergy from blood tests, but just assumed she would be safe with other nuts. I was so horribly wrong. After feeding her a small bite of a pistachio, which she immediately spit out, nuts would become her enemy. Her anaphylactic reaction came within minutes of taking a bite of that pistachio. She was complaining of horrible stomach cramps when the vomiting set in. She then went limp and starting welting. We called 911.
    Now we never leave home without our Epipens and our gluten free food supplies. We analyze every food label. We are hyper vigilant about cross contamination. We are constantly looking for welts and praying for no stomach pain. We are always prepared and on guard. It's just what we do now. Anything to protect our child, our love...like so many other parents out there have to do every moment of ever day!  
    Then, my second brush with a natural disaster happened, without any notice, leaving us once again scrambling to find a safe place to shelter. It was a warm and muggy summer morning, and my husband was away on a business trip leaving my young daughter and me to enjoy our summer day. Our Severe Weather Alert Radio was going off, again, as I continued getting our daughter ready for gymnastics.  Having gotten used to the (what seemed to be daily) “Severe Thunderstorm warning,” I didn’t pay much attention to it. I continued downstairs with my daughter and our dog, when I caught a glimpse out the window of an incredibly black looking cloud. By the time I got downstairs, I saw the cover to our grill literally shoot straight up into the air. Because we didn’t have a fenced in yard, I quickly ran outside and chased the cover, when subsequently, I saw my neighbor’s lawn furniture blow pass me. I quickly realized I made a big mistake going outside. As I ran back inside, I heard debris hitting the front of our home.  Our dog was the first one to the basement door! As we sat huddled in the dark corner of our basement, I was once again thinking where are we going to go if our house is destroyed. I was not prepared, and I should have been. I should have learned my lesson the first time. Once the storm passed, we quickly realized we were without power and most of our trees were destroyed. We were lucky that our house had minimal damage, but that wasn’t true for most of the area surrounding us.  We were without power for five days. We lost most of our food - our gluten free food.
    That is when I knew we had to be prepared. No more winging it. We couldn’t take a chance like that ever again. We were “lucky” one too many times. We were very fortunate that we did not lose our home to the Los Angeles wildfire, and only had minimal damage from the severe storm which hit our home in Illinois.
      
    In 2017 alone, FEMA (Federal Emergency Management Agency) had 137 natural disasters declared within the United States. According to FEMA, around 50% of the United States population isn’t prepared for a natural disaster. These disasters can happen anywhere, anytime and some without notice. It’s hard enough being a parent, let alone being a parent of a gluten free family member. Now, add a natural disaster on top of that. Are you prepared?
    You can find my Gluten Free Emergency Food Bags and other useful products at www.allergynavigator.com.  

    Jefferson Adams
    Celiac.com 04/23/2018 - A team of researchers recently set out to learn whether celiac disease patients commonly suffer cognitive impairment at the time they are diagnosed, and to compare their cognitive performance with non-celiac subjects with similar chronic symptoms and to a group of healthy control subjects.
    The research team included G Longarini, P Richly, MP Temprano, AF Costa, H Vázquez, ML Moreno, S Niveloni, P López, E Smecuol, R Mazure, A González, E Mauriño, and JC Bai. They are variously associated with the Small Bowel Section, Department of Medicine, Dr. C. Bonorino Udaondo Gastroenterology Hospital; Neurocience Cognitive and Traslational Institute (INECO), Favaloro Fundation, CONICET, Buenos Aires; the Brain Health Center (CESAL), Quilmes, Argentina; the Research Council, MSAL, CABA; and with the Research Institute, School of Medicine, Universidad del Salvador.
    The team enrolled fifty adults with symptoms and indications of celiac disease in a prospective cohort without regard to the final diagnosis.  At baseline, all individuals underwent cognitive functional and psychological evaluation. The team then compared celiac disease patients with subjects without celiac disease, and with healthy controls matched by sex, age, and education.
    Celiac disease patients had similar cognitive performance and anxiety, but no significant differences in depression scores compared with disease controls.
    A total of thirty-three subjects were diagnosed with celiac disease. Compared with the 26 healthy control subjects, the 17 celiac disease subjects, and the 17 disease control subjects, who mostly had irritable bowel syndrome, showed impaired cognitive performance (P=0.02 and P=0.04, respectively), functional impairment (P<0.01), and higher depression (P<0.01). 
    From their data, the team noted that any abnormal cognitive functions they saw in adults with newly diagnosed celiac disease did not seem not to be a result of the disease itself. 
    Their results indicate that cognitive dysfunction in celiac patients could be related to long-term symptoms from chronic disease, in general.
    Source:
    J Clin Gastroenterol. 2018 Mar 1. doi: 10.1097/MCG.0000000000001018.

    Connie Sarros
    Celiac.com 04/21/2018 - Dear Friends and Readers,
    I have been writing articles for Scott Adams since the 2002 Summer Issue of the Scott-Free Press. The Scott-Free Press evolved into the Journal of Gluten Sensitivity. I felt honored when Scott asked me ten years ago to contribute to his quarterly journal and it's been a privilege to write articles for his publication ever since.
    Due to personal health reasons and restrictions, I find that I need to retire. My husband and I can no longer travel the country speaking at conferences and to support groups (which we dearly loved to do) nor can I commit to writing more books, articles, or menus. Consequently, I will no longer be contributing articles to the Journal of Gluten Sensitivity. 
    My following books will still be available at Amazon.com:
    Gluten-free Cooking for Dummies Student's Vegetarian Cookbook for Dummies Wheat-free Gluten-free Dessert Cookbook Wheat-free Gluten-free Reduced Calorie Cookbook Wheat-free Gluten-free Cookbook for Kids and Busy Adults (revised version) My first book was published in 1996. My journey since then has been incredible. I have met so many in the celiac community and I feel blessed to be able to call you friends. Many of you have told me that I helped to change your life – let me assure you that your kind words, your phone calls, your thoughtful notes, and your feedback throughout the years have had a vital impact on my life, too. Thank you for all of your support through these years.

    Jefferson Adams
    Celiac.com 04/20/2018 - A digital media company and a label data company are teaming up to help major manufacturers target, reach and convert their desired shoppers based on dietary needs, such as gluten-free diet. The deal could bring synergy in emerging markets such as the gluten-free and allergen-free markets, which represent major growth sectors in the global food industry. 
    Under the deal, personalized digital media company Catalina will be joining forces with Label Insight. Catalina uses consumer purchases data to target shoppers on a personal base, while Label Insight works with major companies like Kellogg, Betty Crocker, and Pepsi to provide insight on food label data to government, retailers, manufacturers and app developers.
    "Brands with very specific product benefits, gluten-free for example, require precise targeting to efficiently reach and convert their desired shoppers,” says Todd Morris, President of Catalina's Go-to-Market organization, adding that “Catalina offers the only purchase-based targeting solution with this capability.” 
    Label Insight’s clients include food and beverage giants such as Unilever, Ben & Jerry's, Lipton and Hellman’s. Label Insight technology has helped the Food and Drug Administration (FDA) build the sector’s very first scientifically accurate database of food ingredients, health attributes and claims.
    Morris says the joint partnership will allow Catalina to “enhance our dataset and further increase our ability to target shoppers who are currently buying - or have shown intent to buy - in these emerging categories,” including gluten-free, allergen-free, and other free-from foods.
    The deal will likely make for easier, more precise targeting of goods to consumers, and thus provide benefits for manufacturers and retailers looking to better serve their retail food customers, especially in specialty areas like gluten-free and allergen-free foods.
    Source:
    fdfworld.com

    Jefferson Adams
    Celiac.com 04/19/2018 - Previous genome and linkage studies indicate the existence of a new disease triggering mechanism that involves amino acid metabolism and nutrient sensing signaling pathways. In an effort to determine if amino acids might play a role in the development of celiac disease, a team of researchers recently set out to investigate if plasma amino acid levels differed among children with celiac disease compared with a control group.
     
    The research team included Åsa Torinsson Naluai, Ladan Saadat Vafa, Audur H. Gudjonsdottir, Henrik Arnell, Lars Browaldh, and Daniel Agardh. They are variously affiliated with the Institute of Biomedicine, Department of Microbiology & Immunology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; the Institute of Clinical Sciences, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden; the Department of Pediatric Gastroenterology, Hepatology and Nutrition, Karolinska University Hospital and Division of Pediatrics, CLINTEC, Karolinska Institute, Stockholm, Sweden; the Department of Clinical Science and Education, Karolinska Institute, Sodersjukhuset, Stockholm, Sweden; the Department of Mathematical Sciences, Chalmers University of Technology, Gothenburg, Sweden; the Diabetes & Celiac Disease Unit, Department of Clinical Sciences, Lund University, Malmö, Sweden; and with the Nathan S Kline Institute in the U.S.A.
    First, the team used liquid chromatography-tandem mass spectrometry (LC/MS) to analyze amino acid levels in fasting plasma samples from 141 children with celiac disease and 129 non-celiac disease controls. They then crafted a general linear model using age and experimental effects as covariates to compare amino acid levels between children with celiac disease and non-celiac control subjects.
    Compared with the control group, seven out of twenty-three children with celiac disease showed elevated levels of the the following amino acids: tryptophan; taurine; glutamic acid; proline; ornithine; alanine; and methionine.
    The significance of the individual amino acids do not survive multiple correction, however, multivariate analyses of the amino acid profile showed significantly altered amino acid levels in children with celiac disease overall and after correction for age, sex and experimental effects.
    This study shows that amino acids can influence inflammation and may play a role in the development of celiac disease.
    Source:
    PLoS One. 2018; 13(3): e0193764. doi: & 10.1371/journal.pone.0193764