The limitations of currently available conventional testing are very real as most physicians who do a «Celiac panel» are only testing for alpha gliadin, tissue transglutaminase 2, and endomesial antibody. (thehealthyhomeeconomist.com)
The problem with the typical gliadin antibody test is that it only tests alpha gliadin. (mindbodygreen.com)
You could have a negative alpha gliadin antibody test, but have a positive response against another form of gliadin. (mindbodygreen.com)