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Both parents negative for celiac gene, 2 kids diagnosed with celiac


CeliacMommaX2

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CeliacMommaX2 Enthusiast

We have 2 children diagnosed with celiac at ages 3 & 4.  My husband and I just did genetic testing for ourselves (expecting 1 or both of us to be positive).  We both came back negative!   Any ideas why?  Could our children be misdiagnosed?  Both had elevated TTG & EMA that improved on a gluten-free diet and one had very clear damage on her scope (son had slight damage).  


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Posterboy Mentor

CeliacMommaX2,

It is not well known but Milk can trigger some of the same issues especially in children that later goes on to be diagnosed as celiac disease ie. stunted/blunted villi.

Your children being young as they are still (at an age where lactose) can still be a problem for them Milk should be eliminated in their diet to see if Caseins are also causing their antibodies to be elevated.

Here is the research entitled "IgA anti-gliadin antibody immunoreactivity to food proteins" ie Caseins if you read the research link.

https://www.tandfonline.com/doi/full/10.1080/09540100400003204

And I find this often. . . the research is out there like the "X-Files" if you have the time and the interest too learn/look for it.

note this timeline . . .it was discovered 15+ years ago

Received 01 Dec 2002, Accepted 01 Apr 2003, Published online: 11 Oct 2010

And only published in 2010 but still 8 years later this information/knowledge of this knew research is/has not  been incorporated into clinical practice.

I hope this is helpful but it is not medical advice.

I feel your pain. ... I was an ejectile vomiter as a kid due probably to Milk in my diet which  most people at the age of your children tend (unless your Asian/Indian/Chineses etc.) grow out of around 4 or 5 years old.

The other thing that it could be is due to the stunted/blunted Villi your children secondarily due to low B-Vitamins might have developed either Beri Beri or Pellagra.

Both are linked to GI problems in the literature.

see this celiac.com blog post post about B-Vitamins in/with a Celiad dagnosis.

https://www.celiac.com/forums/topic/123208-vitamins-do-we-really-need-them/?tab=comments#comment-998976

Try and read the links if  you have time and want to learn why this can happen and does in a subset of Celiac patients.

I call it a sub-clinical diagnosis because it is not at a level of awareness that the clinician knows to test for it or if they do . . . .the tests results like for the Thiamine deficiency (Beri Beri) the results are indeterminate ie at normal levels but a healthy state for IBS sufferers returning to a normal state after supplementation.  And I believe this is true for many of the B-Vitamins and taking a B-complex 2/day for 2 or 3 months can prove this hypothesis.

Since B-Vitamins are water soluble by nature there is little down side risk to at least trialing a B-complex for 3 months.

I must quit for now but again I hope this is helpful but it is not medical advice I only know it helped me!

Praise bee to God!

2 Timothy 2: 7 “Consider what I say; and the Lord give thee understanding in all things” this included.

Posterboy by the grace of God,

cyclinglady Grand Master
ravenwoodglass Mentor

It is also possible that family has one of the rarer celiac associated genes. In my family it is DQ9 that is present not the usual DQ2 or DQ8. Doctors don't usually check for that one.

Beverage Rising Star

ravenwoodglass is correct. I tested negative for the DQ2 & 8 genes, but positive on one of the others.. B1 or something like that.  Make sure the complete genetic thing was done, not all doctors request them all and not all labs check them all.

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    • 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
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    • 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.
    • Jack Common
      Hello! I want to share my situation. I had symptoms like some food intolerance, diarrhea, bloating, belching one year ago. I thought I could have celiac disease so I did the blood tests. The results were ambiguous for me so I saw the doctor and he said I needed to do tests to check whether I had any parasites as well. It turned out I had giardiasis. After treating it my symptoms didn't disappear immediately. And I decided to start a gluten free diet despite my doctor said I didn't have it. After some time symptoms disappeared but that time it wasn't unclear whether I'd had them because of eliminating gluten or that parasite. The symptoms for both are very similar. Giardiasis also damages the small intestine. The only way to check this was to start eating bread again as I thought. Now about my results.   These are my first test results (almost a year ago) when I had symptoms: The Tissue Transglutaminase IgA antibody - 0.5 U/ml (for the lab I did the tests 0.0 - 3.0 is normal) The Tissue Transglutaminase IgG antibody - 6.6 U/ml (for the lab I did the tests 0.0 - 3.0 is normal) Immunoglobulin A - 1.91 g/l (for the lab I did the tests 0.7 to 4 g/l is normal) IgA Endomysial antibody (EMA) - < 1:10 titer (for the lab I did the tests < 1:10 titer is normal) IgG Endomysial antibody (EMA) - < 1:10 titer (for the lab I did the tests < 1:10 titer is normal) Deamidated gliadin peptide IgA - 0.3 U/ml (for the lab I did the tests 0.0 - 6.0 is normal) Deamidated gliadin peptide IgG - 46.1 U/ml (for the lab I did the tests 0.0 - 6.0 is normal)   Then I didn't eat gluten for six months. Symptoms disappeared. And I started a gluten challenge. Before the challenge I did some tests. My results: The Tissue Transglutaminase IgG antibody - 0.5 U/ml (for the lab I did the tests < 20 U/ml is normal)) Deamidated gliadin peptide IgG - 28 U/ml (for the lab I did the tests < 20 U/ml is normal)   During the challenge I ate 6 slices of wheat bread. After the challenge my results are: The Tissue Transglutaminase IgA antibody - 2.0 U/ml (for the lab I did the tests < 20 U/ml is normal) The Tissue Transglutaminase IgG antibody - 2.0 U/ml (for the lab I did the tests < 20 U/ml is normal) Immunoglobulin A - 1.31 g/l (for the lab I did the tests 0.7 to 4 g/l is normal) Deamidated gliadin peptide IgA - 2.0 U/ml (for the lab I did the tests < 20 U/ml is normal) Deamidated gliadin peptide IgG - 2.13 U/ml (for the lab I did the tests < 20 U/ml is normal)   To be sure I continued consuming gluten. I ate a lot each day. Two months after I did the tests again. My results I got today are: The Tissue Transglutaminase IgA antibody - 0.7 U/ml (for the lab I did the tests < 20 U/ml is normal) Immunoglobulin A - 1.62 g/l (for the lab I did the tests 0.7 to 4 g/l is normal) Deamidated gliadin peptide IgG - 25.6 U/ml (for the lab I did the tests < 20 U/ml is normal)   Nowadays I didn't have any symptoms except tiredness but I think it's just work. I think it was this parasite because two years ago, for example, and before I didn't have these symptoms and I always ate gluten food. But I'm still not sure especially because the Deamidated gliadin peptide IgG results are sometimes high. What do you think? @Scott Adams
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