PMID- 19551681 OWN - NLM STAT- MEDLINE DCOM- 20091124 LR - 20190917 IS - 1120-6721 (Print) IS - 1120-6721 (Linking) VI - 19 IP - 4 DP - 2009 Jul-Aug TI - HLA-DQB1 subtypes predict diabetic retinopathy in patients with type I diabetes mellitus. PG - 638-45 AB - PURPOSE: To investigate if diabetic patients without diabetic retinopathy despite long disease duration have different human leukocyte antigen (HLA) status vs those with an early onset of retinopathy. METHODS: Retrospective, nonrandomized, masked comparative study. Type 1 diabetic patients with a disease onset before age 30 were recruited to the study. The study population consisted of two groups of diabetic patients: those with normal retinopathy course (retinopathy developed during the first 20 years of diabetes onset) (23 patients) and those with postponed retinopathy (no obvious retinopathy in spite of passing 20 years of diabetes) (19 patients). These groups were matched with regard to level of glycemic control, blood pressure, and lipid profile. A group of 23 healthy patients served as controls. HLA-DQB1 typing of blood samples was done using a polymerase chain reaction with sequence-specific primer (PCR-SSP) method. RESULTS: HLA-DQB1*0201/HLA-DQB1*0501 and HLA-DQB1*0201/HLA-DQB1*0504 haplotypes were more common among type 1 diabetic patients with normal retinopathy course than those with postponed retinopathy (26.1% vs 0.0%; p=0.019). HLA-DQB1*0301 and HLA-DQB1*0304 were less common among those diabetic patients with normal retinopathy course than those with a postponed retinopathy (63.2% vs 34.8%; p=0.067). CONCLUSIONS: Some haplotypes seem to predispose diabetic patients to diabetic retinopathy. HLA typing may be beneficial for predicting the prognosis of diabetic retinopathy in younger diabetic patients. FAU - Khazaee, Mohammad H AU - Khazaee MH AD - Internal Medicine Department, Emam Reza General Hospital, Mashhad University of Medical Sciences, Mashhad - Iran. FAU - Tavakol Afshari, Jalil AU - Tavakol Afshari J FAU - Khazaee, Bahram AU - Khazaee B FAU - Daneshvar, Ramin AU - Daneshvar R FAU - Akbarzadeh, Javad AU - Akbarzadeh J FAU - Khazaee, Ladan AU - Khazaee L FAU - Ganjali, Rashin AU - Ganjali R FAU - Raygan, Firoozeh AU - Raygan F LA - eng PT - Comparative Study PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - United States TA - Eur J Ophthalmol JT - European journal of ophthalmology JID - 9110772 RN - 0 (Blood Glucose) RN - 0 (HLA-DQ Antigens) RN - 0 (HLA-DQ beta-Chains) RN - 0 (HLA-DQB1 antigen) RN - 0 (Membrane Glycoproteins) SB - IM MH - Adult MH - Blood Glucose/analysis MH - Blood Pressure MH - Diabetes Mellitus, Type 1/*genetics MH - Diabetic Retinopathy/*genetics MH - Female MH - Gene Frequency MH - HLA-DQ Antigens/*genetics MH - HLA-DQ beta-Chains MH - Haplotypes MH - Histocompatibility Testing MH - Humans MH - Male MH - Membrane Glycoproteins/*genetics MH - Polymerase Chain Reaction MH - Retrospective Studies EDAT- 2009/06/25 09:00 MHDA- 2009/12/16 06:00 CRDT- 2009/06/25 09:00 PHST- 2009/06/25 09:00 [entrez] PHST- 2009/06/25 09:00 [pubmed] PHST- 2009/12/16 06:00 [medline] AID - 10.1177/112067210901900419 [doi] PST - ppublish SO - Eur J Ophthalmol. 2009 Jul-Aug;19(4):638-45. doi: 10.1177/112067210901900419.