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Further Testing? DQ8 hetero gene and Symptoms resolved on gluten-free diet


alex1234

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alex1234 Rookie

I recently found out I have the DQ8 hetero gene. Because my life was being affected so drastically, I discontinues eating gluten and have started to feel myself. about 90% of my symptoms have resolved during the past 2 weeks of eating gluten-free. Now, I need to decide whether I should continue with a gluten challenge and test for antibodies and do the endoscopy/biopsy. I am one that would be unsettled not knowing whether or not I have Celiac. Does anyone have advice on whether or not I should do a gluten challenge and do further testing to pursue a diagnosis?


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Victoria1234 Experienced
20 minutes ago, alex1234 said:

I am one that would be unsettled not knowing whether or not I have Celiac.

I believe you have answered your own question. You need to go back on gluten and schedule a full panel celiac blood test in 12 weeks. 1-2 pieces of bread per day is fine.

cyclinglady Grand Master

Read this about the benefits of having a celiac disease diagnosis.  It is written for doctors, but it is very useful.  

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alex1234 Rookie

Thank you both for the replies. The article is very insightful. Right now I am trying to reason with the thought of being miserable for 4-8 weeks to get a diagnosis. I feel so good right now it seems almost not worth it, but I also need to know if something is wrong and if there are potentially any other digestive system issues. I will likely go on a gluten challenge and deal with the side effects... after all, Thanksgiving is coming up ;)

Victoria1234 Experienced
1 hour ago, alex1234 said:

4-8 weeks

Pretty sure it's 12 weeks recommended by experts. Good luck to you!

cyclinglady Grand Master

The length in time can vary, but this leading celiac research center confirms 12 weeks.  You should be under a doctor’s care.

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alex1234 Rookie

Thank you Cyclinglady and Victoria1234

 

I would be curious to know if anyone has done the gluten challenge for say... 6-8 weeks and had either a positive or false negative result on the endoscopy/biopsy AND the Serology? It will work out best in regards to my insurance deductible to do less than 10 weeks. Thanks everyone!


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    • Nicbent35
      Well I had a moment yesterday morning where I accidentally gave her gluten. She wanted what I was eating and I forgot and let her have a few bites of toast. It was a really bad night last night with her behavior. Will a few bites of bread influence their behavior that much or could it just be a coincidence?
    • Scott Adams
      The first set of results show two positive results for celiac disease, so at the very least it looks like you could have it, or at the least NCGS.   Approximately 10x more people have non-celiac gluten sensitivity than have celiac disease, but there isn’t yet a test for NCGS. If your symptoms go away on a gluten-free diet it would likely signal NCGS.      
    • Scott Adams
      Elevated tissue transglutaminase IgA (tTG-IgA) levels are highly specific for celiac disease, and they are a key biomarker used in its diagnosis. However, there are some rare instances where elevated tTG-IgA levels have been reported in conditions other than celiac disease. While these cases are not common, they have been documented in the literature. Below are some examples and references to studies or reviews that discuss these scenarios:  1. Non-Celiac Gluten Sensitivity (NCGS)    - NCGS typically does not cause elevated tTG-IgA levels, as it is not an autoimmune condition. However, some individuals with NCGS may have mild elevations in tTG-IgA due to intestinal inflammation or other factors, though this is not well-documented in large studies.    - Reference: Catassi, C., et al. (2013). *Non-Celiac Gluten Sensitivity: The New Frontier of Gluten-Related Disorders*. Nutrients, 5(10), 3839–3853. [DOI:10.3390/nu5103839](https://doi.org/10.3390/nu5103839)  2. Autoimmune Diseases    - Elevated tTG-IgA levels have been reported in other autoimmune conditions, such as type 1 diabetes, autoimmune hepatitis, and systemic lupus erythematosus (SLE). This is thought to be due to cross-reactivity or polyautoimmunity.    - Reference: Sblattero, D., et al. (2000). *The Role of Anti-Tissue Transglutaminase in the Diagnosis and Management of Celiac Disease*. Autoimmunity Reviews, 1(3), 129–135. [DOI:10.1016/S1568-9972(01)00022-3](https://doi.org/10.1016/S1568-9972(01)00022-3)  3. Chronic Liver Disease    - Conditions like chronic hepatitis or cirrhosis can sometimes lead to elevated tTG-IgA levels, possibly due to increased intestinal permeability or immune dysregulation.    - Reference: Vecchi, M., et al. (2003). *High Prevalence of Celiac Disease in Patients with Chronic Liver Disease: A Role for Gluten-Free Diet?* Gastroenterology, 125(5), 1522–1523. [DOI:10.1016/j.gastro.2003.08.031](https://doi.org/10.1016/j.gastro.2003.08.031)  4. Inflammatory Bowel Disease (IBD)    - Some patients with Crohn’s disease or ulcerative colitis may have elevated tTG-IgA levels due to intestinal inflammation and damage, though this is not common.    - Reference: Walker-Smith, J. A., et al. (1990). *Celiac Disease and Inflammatory Bowel Disease*. Journal of Pediatric Gastroenterology and Nutrition, 10(3), 389–391. [DOI:10.1097/00005176-199004000-00020](https://doi.org/10.1097/00005176-199004000-00020)  5. Infections and Parasites    - While infections (e.g., giardiasis) are more commonly associated with false-positive tTG-IgA results, chronic infections or parasitic infestations can sometimes lead to elevated levels due to mucosal damage.    - Reference: Rostami, K., et al. (1999). *The Role of Infections in Celiac Disease*. European Journal of Gastroenterology & Hepatology, 11(11), 1255–1258. [DOI:10.1097/00042737-199911000-00010](https://doi.org/10.1097/00042737-199911000-00010)  6. Cardiac Conditions    - Rarely, heart failure or severe cardiovascular disease has been associated with elevated tTG-IgA levels, possibly due to gut ischemia and increased intestinal permeability.    - Reference: Ludvigsson, J. F., et al. (2007). *Celiac Disease and Risk of Cardiovascular Disease: A Population-Based Cohort Study*. American Heart Journal, 153(6), 972–976. [DOI:10.1016/j.ahj.2007.03.019](https://doi.org/10.1016/j.ahj.2007.03.019)  Key Points: - Elevated tTG-IgA levels are highly specific for celiac disease, and in most cases, a positive result strongly suggests celiac disease. - Other conditions causing elevated tTG-IgA are rare and often accompanied by additional clinical findings. - If celiac disease is suspected, further testing (e.g., endoscopy with biopsy) is typically required for confirmation. If you’re looking for more specific studies, I recommend searching PubMed or other medical databases using terms like "elevated tTG-IgA non-celiac" or "tTG-IgA in non-celiac conditions." Let me know if you’d like help with that!
    • MaryMJ
      I called zero water and they state their filters do not contain gluten or gluten containing ingredients. 
    • trents
      I agree. Doesn't look like you have celiac disease. Your elevated DGP-IGG must be due to something else. And it was within normal at that after your gluten challenge so it is erratic and doesn't seem to be tied to gluten consumption.
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