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Also IgG & IgA (used for CD investigation)

pretender profile image
6 Replies

This worth a read : ncbi.nlm.nih.gov/pubmed/198...

Conclusion : Our results show that inhalation of aerosolized allergen generates long-lived allergen-specific IgG(1)-secreting, IgA-secreting, and IgE-secreting plasma cells that survive cytostatic treatment.

First blood test being IgA, IgA & IgG are part of the coeliac screen in bloods, now more confusion.

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pretender
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Penel profile image
Penel

An interesting article, pretender. I guess it shows that various problems with the immune system will give the same or similar blood test results. So you need a biopsy to confirm coeliac. The blood test for ankylosing spondylitis has similar result. Presumably some of the same genes must be affected?

Penel profile image
Penel

This article explains it better than I can...

webmd.com/a-to-z-guides/imm...

poing profile image
poing

pretender, can you be a bit more explicit about what you think this shows? I'm not normally this slow to pick up on things, but perhaps I'm having a "stupid" day... I'd appreciate it.

pretender profile image
pretender

On my current bout of Coeliac Disease my first blood test was IgA, a follow up blood test was for IgA & IgG plus others.

IgA & IgG also being used for Allergies which Coeliac Disease is not an allergy.

My IgA was positive and apart from CD I also have a Formaldehyde Allergy so it was really the endoscopy result of reduced folds,d2 that really confirmed my CD.

Penel profile image
Penel

Ig tests look for antibodies, which can be a reaction to autoimmune disease or to allergies.

Chancery profile image
Chancery

So is there an opposite side to this? Is it possible that if you haven't had an ALLERGIC reaction to wheat or gluten (or perhaps ANY allergen) in childhood then you may show negative IgA and IgG tests for coeliac later in life, even although you may have the condition? Does this have bigger ramifications that the IgA and IgG tests might not really be proving coeliac at all, but simply registering you once had an allergic reaction to either wheat, gluten, grains or something as wildly variant as latex? Or am I completely barking up the wrong tree here? (It's late and I have a crappy cold!)

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