Hi Redda,
My grandson age 10 has two DQ1 genes (one from me to his dad to him) and has failure to thrive, allergies...

I also have two DQ1 genes & have had the brain fog & mild depression lift on the GF diet, I am also dairy free & have other food allergies.

My daughter in law that has at least one DQ1 gene has dyslexia and is on antidepressants.

It is my opinion that the DQ1 gene is worse than the DQ2 or DQ8 because you get all the same symptoms plus the neuro stuff, or at least that is the way it works in my family.