--has done a lot of work to show that there are celiacs/gluten sensitives out there who are not genetically DQ2 or DQ8--in fact, many with presentation that are not initially gastrointestinal are DQ1:

http://pn.bmj.com/content/4/2/124.full.pdf+html (see the reference list as well)

http://jnnp.bmj.com/content/72/5/560.full

http://celiacdisease.about.com/od/ce.../g/Hla-Dq1.htm