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Influence of HLA-DQ2 and DQ8 on Severity in Celiac Disease

Celiac.com 03/14/2012 - A group of researchers recently studied the ways in which HLA-DQ2 and DQ8 might influence the severity of celiac disease. Specifically, the team wanted to study HLA-DQA1 and DQB1 profiles in adults with different forms of celiac disease, including adults with complicated and potential celiac disease, the most seriously affected, and those with the best preserved histologic end of the pathologic celiac spectrum.

Photo: CC - rdecomThe researchers included F. Biagi, P.I. Bianchi, C. Vattiato, A. Marchese, L. Trotta, C. Badulli, A. De Silvestri, M. Martinetti, and G.R. Corazza. They are affiliated with the Coeliac Centre/First Department of Internal Medicine, Fondazione IRCCS Policlinico San Matteo, University of Pavia, Italy. 

Patients with complicated celiac disease showed more HLA-DQB1*02 homozygosity than those with uncomplicated celiac disease.

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The team conducted HLA-DQA1 and DQB1 molecular typing for 218 adults with celiac disease. Of these, 169 had uncomplicated celiac disease, 27 had complicated celiac disease, and 22 had potential celiac disease. They used 224 healthy stem cell donors as a control group.

The team analyzed HLA-DQA1 and DQB1 gene polymorphism using polymerase chain reaction sequence-specific primers and/or reverse polymerase chain reaction sequence-specific oligonucleotides. They found, as expected, that the frequency of HLA-DQB1*02 allele, DQB1*02 homozygosity, and DQB1*0302 gene were statistically different in the four groups.

However, multivariate analysis showed that patients with potential celiac disease have a higher frequency of both HLA-DQB1*0302 and HLA-DQB1*0603 alleles, along with a reduced frequency of DQB1*02 homozygosity, as compared with patients with uncomplicated and complicated CD.

The increased frequency of DQB1*0302 coupled with the reduced frequency of DQB1*02 homozygosity in potential celiac disease supports the idea that variations in clinical/pathologic expressions of celiac disease might reflect different immune system triggers. This observation could impact the way in which celiac disease is understood and studied in the future.

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3 Responses:

 
angelie
Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on
19 Mar 2012 7:03:21 PM PDT
I learn more.

 
Daiane
Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on
19 Mar 2012 8:08:54 PM PDT
Excellent

 
Rhonda Jared
Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on
03 Apr 2012 12:42:07 PM PDT
2 copies of HLADQ8, 0302. Not sure what that means - allergy or celiac?




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these sound like celiac reactions yes ... basically avoid anything that causes the reaction always and find your self a great natural practitioner and rebuild your body .. Rest vitamins digestive enzymes and very strict diet Good Luck

Hey guys im from the UK and this site is really helpful for me. I've been diagnosed with Coeliac disease (uk spelling) for 5 years now and I slowly became dairy intolerant, which makes sense and I live with this now... but now alcohol has turned on me. I don't drink often and I don't drink a lot (I used to in my uni years) but the reaction the next day (or same night) is horrific. I wondered if anyone else had this problem. I start with sweats and dizziness , then the stomach cramps cause chronic diarrhoea ... I then start to vomit until my body is empty .... this isn't the bad part. After my body is empty I go into a fit like state and cannot move walk talk or anything... the cold sweats start but I'm burning up. The stomach spasms are awful, I have to lie in bed flat with cold wet towels on my head and belly. I cannot speak or move for hours and feel so weak and unstable ..: this lasts all day and I can't eat or drink anything but I don't feel myself for three or four days. I avoid drinking but sometimes it's nice to go out and have some... am I alcohol intolerant??!! Does anyone else have this!? I obviously stick to gluten free drinks and have a very strict diet! Im a severe case! Thankyoy steph

I'm going to contact my primary Dr and see what his take is on this. I know I can't wait another 4 weeks to go to my gastroenterologist. Today marks day 23 of diarrhea. Since switching back to Imodium it has gotten worse. I think that the other 2 medications, even though I couldn't tolerate them and they didn't stop the diarrhea, at least slowed it down a little. If my primary has no clue, then I am definitely contacting U of C. The only thing stopping me is that they are out of network for my insurance plan so it would be more costly.

Spring is cherry blossom season, which means that actual cherries are still far enough off that we'll have to leave their deliciousness ahead, and turn to their canned cousins for this recipe. Turns out, that's not a bad thing. Canned cherries make a tasty cornerstone to this super quick, super-easy no-bake cheesecake. Topped with lovely cherries, this no-bake cheesecake is a contender. Enjoy! View the full article

Haha todays cheat day and I cant decide if i want pizza or mac and cheese lmao oh the struggle.