Hi limpia,
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Is it possible to have positive genetic testing, while not having any antibodies to gluten?
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Yes.
About 30% of the population carries one of the main celiac genes (HLA DQ2 or HLA DQ8). Only 1% of the population actually tests positive for celiac disease, showing the highly associated blood antibodies anti-tTG or anti-endomysial.
The doctors/researchers who recognize gluten sensitivity without celiac disease say that 30-50% of the population may show some degree of gluten sensitivity. About 12% of the population has positive blood antigliadin antibodies.
HLA DQ1 is associated with gluten sensitivity, but rarely celiac disease. I can't remember for sure how many of the population has this genetic type (thinking maybe 20%~ I know it isn't rare).
According to Dr. Fine, he has only found one rare genetic type who does not seem to show any gluten sensitivity.
Hope this helps.
Cara