Anti-Gliadin Antibodies Present

This is a model of Immunoglobulin-G Antibody (IgG)

What Are Anti-Gliadin Antibodies?

Anti-gliadin antibodies (AGA) are produced by the body as an immune response against partially digested gliadin peptides (fragments) that have abnormally entered the body from the intestinal tract. Gliadin is a protein in wheat grain.

Anti-gliadin antibodies circulating in blood are measured by laboratory testing on blood that is drawn. The antibodies are both immunoglobulin A (IgA) and immunoglobulin G (IgG) types, which are termed AGA-IgA and AGA-IgG.

The presence of anti-gliadin antibodies in blood is an abnormal laboratory finding. That is, when the intestinal lining is healthy and able to keep out undigested matter from the body, there are no molecules of gliadin present to trigger the immune system for defense.

Q: Who produces anti-gliadin antibodies?

A: Persons, with or without celiac disease, can produce anti-gliadin antibodies if and when leaky gut (increased intestinal permeability) develops that then allow gliadin peptides to get into the bloodstream.

Gliadin itself causes leaky gut, but there are other causes such as various foods, intestinal infections, medications, and other diseases of the gastrointestinal tract. Whatever the cause of leaky gut, if poorly digested gliadin is present, it can slip through the leaky lining and enter the bloodstream where it can trigger an antibody response by anti-gliadin antibodies.

What Are Anti-Gliadin Antibodies In Celiac Disease and/or Gluten Sensitivity Or Non-Celiac Gluten Sensitivity?

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