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Published on: July 14, 2016
[HLA-class I gene polymorphisms in Japanese Stevens-Johnson syndrome patients with ocular surface complications]
Shinnosuke Nakaji1, Mayumi Ueta, Chie Sotozono
1Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto, Japan.
Purpose:
Our previous study of polymorphisms in the HLA-class I genes of 71 Japanese SJS/TEN patients with ocular surface complications and 113 Japanese healthy controls showed that in the Japanese, HLA-A*0206 was strongly associated with SJS/ TEN. In this study, we examined 118 Japanese SJS/ TEN patients with ocular surface complications and a new control group consisting of 220 healthy Japanese volunteers, and investigated the association between HLA class I antigens, HLA-A, B, C, and the SJS/ TEN.
Methods:
For HLA genotyping we enrolled 118 Japanese patients with SJS/TEN in the chronic or sub-acute phase at Kyoto Prefectural University of Medicine; all presented with ocular surface complications. We also enrolled 220 healthy Japanese volunteers. We performed polymerase chain reaction amplification followed by hybridization with sequence-specific oligonucleotide probes (PCR-SSO). Results : HLA-A*0206 was most strongly associated with Japanese SJS/TEN patients with ocular surface complications (carrier frequency: p = 0.0000000002, OR = 5.2; gene frequency : p = 0.000000007, OR = 4.2).
Conclusion:
HLA-A* 0206 is strongly associated with Japanese SJS/TEN patients with ocular surface complications.
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