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- trents replied to Cat M's topic in Celiac Disease Pre-Diagnosis, Testing & Symptoms5Weakly positive DGP IgA
If your total IGA is low then the values for the other IGA tests cannot be trusted. They will be depressed. Celiacs who have the DQ2 gene typically are on the more sensitive side as opposed to those who only have the DQ8. But keep in mind that having either or both of those genes does not equate to having celiac disease as 40% of the general population... -
- Fatima Terrazas Arellanes commented on Scott Adams's article in Mexican & Spanish1Gluten-Free Tamales with Pork or Vegetables
Just wanted to share that I’ve reacted to several common brands of corn flour—like Maseca and Pan. The only one that seems safe for me is TortiMasa! I’d love to hear if anyone else has had similar experiences—how have different brands worked for you? Also, I’m excited that this recipe includes zucchini. My version usually includes a little bit of ev...- gluten-free
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- Cat M replied to Cat M's topic in Celiac Disease Pre-Diagnosis, Testing & Symptoms5Weakly positive DGP IgA
Ah ok, I just saw didn’t even post the DGP IgA at all. 😫 I started with itching and hives Jan 2024, been taking a ton of meds and on Xolair and even that is not providing total relief. The other primary symptoms: intermittent but worsening abdominal pain, diarrhea and bloating. This summer I am just exhausted. I uploaded my 23andMe data to genetic life... -
- Scott Adams replied to Wamedh Taj-Aldeen's topic in Celiac Disease Pre-Diagnosis, Testing & Symptoms2Positive TTG antibody and negative EMA antibody
This is an interesting case. A positive tissue transglutaminase (tTG) antibody with a negative endomysial antibody (EMA) and normal duodenal histology can present a diagnostic challenge, especially in an asymptomatic patient. While the absence of villous atrophy and negative EMA suggest that the likelihood of active celiac disease is low at this time, such... -
- Scott Adams replied to dominiqueccms's topic in Post Diagnosis, Recovery & Treatment of Celiac Disease2
Old to diagnosis
Have you tried to start a gluten-free diet since your diagnosis in 2019?
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If your total IGA is low then the values for the other IGA tests cannot be trusted. They will be depressed. Celiacs who have the DQ2 gene typically are on the more sensitive side as opposed to those who only have the DQ8. But keep in mind that having either or both of those genes does not equate to having celiac disease as 40% of the general population have one or the other and only about 1% of the general population develops active celiac disease. Genetic typing can be used for ruling it out, however. Because of the low total IGA, symptoms and the possession of the DQ2 gene, my suggestion would be for you to go seriously gluten free for a few months and see if your symptoms improve. It may be the only way you can ascertain if you are gluten intolerant because of the low total IGA. -
Ah ok, I just saw didn’t even post the DGP IgA at all. 😫 I started with itching and hives Jan 2024, been taking a ton of meds and on Xolair and even that is not providing total relief. The other primary symptoms: intermittent but worsening abdominal pain, diarrhea and bloating. This summer I am just exhausted. I uploaded my 23andMe data to genetic lifehacks and discovered quite a few variations, including DQ2, MTHFR, VDR and I have always had very low ferritin, vitamin D and B12. I still think that mast cell disease makes the most sense, but latest labs show I am barely in range for thiamine, zinc and vitamin A, so the GI stuff feels more important to figure out than the hives right now. I did SIBO testing this morning. TTG IGA <2 0-3 is negative TTG IGG 3 0-5 is neg DGP IGA 21 20-30 is weak positive DGP IGG 4 0-19 is negative Although total IGA is not resulted, there is a footnote stating it was low and the reason they ran IGG.
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By Scott Adams · Posted
This is an interesting case. A positive tissue transglutaminase (tTG) antibody with a negative endomysial antibody (EMA) and normal duodenal histology can present a diagnostic challenge, especially in an asymptomatic patient. While the absence of villous atrophy and negative EMA suggest that the likelihood of active celiac disease is low at this time, such serological discordance may still warrant monitoring. Some individuals may be in the early stages of celiac disease, often referred to as potential celiac disease, particularly if they carry the HLA-DQ2 or DQ8 haplotypes. HLA typing can be quite helpful in this situation; a negative result would virtually rule out celiac disease, whereas a positive result may justify periodic follow-up to monitor for evolving disease. The risk of progression to overt celiac disease is not well defined but appears to be higher in children, those with a family history, or those with autoimmune conditions. In this case, routine follow-up including repeat serology and consideration of symptoms or new risk factors over time would be a reasonable and cautious approach. For people with celiac disease hidden gluten in their diets is the main cause of elevated Tissue Transglutaminase IgA Antibodies (tTG-IgA), but there are other conditions, including cow's milk/casein intolerance, that can also cause this, and here is an article about the other possible causes: -
By Scott Adams · Posted
Have you tried to start a gluten-free diet since your diagnosis in 2019? -
Welcome to celiac.com, @Wamedh Taj-Aldeen! Just curious, what is your relationship to the patient? Are you the attending physician? A medical student? A consulted physician? Was a total IGA test ordered? Some physicians are under the dated and mistaken impression that such is only necessary in young children. If total IGA is low, other IGA antibody numbers will be artificially depressed. By the way, it is not unusual to have a positive TTG-IGA and a negative EMA. Are the TTG-IGA numbers borderline high or unequivocally high? There are other diseases and medical conditions that can cause elevated TTG-IGA numbers besides celiac disease but when this is the case, the numbers are usually not dramatically elevated. It can also be the case that villous damage was patchy and affected areas were missed during the biopsy. Or, onset of celiac disease was very recent and villous atrophy has not yet progressed to the point of detectability. We also have occasional anecdotal reports in this online community of positive antibody testing with negative histology, as you report. But we also know that gluten intolerance can manifest itself apart from enteropathy. It can damage other organ systems. Many celiacs are of the "silent" type, meaning there is an absence or a relative absence of symptoms until the disease has become advanced and there is significant damage to the villous lining or other organ systems. But to answer your questions: 1. I would definitely pursue a routine follow-up and recheck of the antibodies. And, I would order a complete celiac panel including total IGA and IGG stuff in say, six months. Sooner if symptoms manifest. 2. It is impossible to say what is the risk of the future development of over celiac disease. I refer you back to my #1 above concerning rechecking. 3. I would definitely pursue HLA DQ2/DQ8 typing as it can be used as a rule out for celiac disease, though not quite with 100% dependability. I hope my thoughts prove helpful to you.
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