Coding haplotype analysis supports HCR as the putative susceptibility gene for psoriasis at the MHC PSORS1 locus
Asumalahti, Kati, Veal, Colin, Laitinen, Tarja, Suomela, Sari, Allen, Michael, Elomaa, Outi, Moser, Michael, De Cid, Rafael, Ripatti, Samuli, Vorechovsky, Igor, Marcusson, Jan A., Nakagawa, Hidemi, Lazaro, Conxi, Estivill, Xavier, Capon, Francesca, Novelli, Giuseppe, Saarialho-Kere, Ulpu, Barker, Jonathan, Trembath, Richard and Kere, Juha (2002) Coding haplotype analysis supports HCR as the putative susceptibility gene for psoriasis at the MHC PSORS1 locus. Human Molecular Genetics, 11, (5), 589-597. (doi:10.1093/hmg/11.5.589).
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Description/Abstract
PSORS1, near HLA-C, is the major genetic determinant of psoriasis. We present genetic and structural evidence suggesting a major role for the HCR gene at the PSORS1 locus. Genotyping of 419 families from six populations revealed that coding single-nucleotide polymorphisms of HCR formed a conserved allele HCR*WWCC that associated highly significantly with psoriasis and with the HLA-Cw6 allele in all populations. Because of strong linkage disequilibrium between HLA-Cw6 and HCR*WWCC, the two genes could not be genetically distinguished by this sample size. However, the variant HCR allele was predicted to differ in secondary structure from the wild-type protein. HCR protein expression in lesional psoriatic skin differed considerably from that observed in normal skin. These results provide strong evidence for the HCR*WWCC allele as a major genetic determinant for psoriasis, probably by a mechanism impacting on keratinocyte proliferation.
| Item Type: | Article |
|---|---|
| ISSNs: | 0964-6906 (print) |
| Related URLs: | |
| Subjects: | R Medicine > RL Dermatology Q Science > QH Natural history > QH426 Genetics |
| Divisions: | University Structure - Pre August 2011 > School of Medicine > Human Genetics |
| Item ID: | 24615 |
| Date Deposited: | 03 Apr 2006 |
| Last Modified: | 01 Jun 2011 01:57 |
| Contributors: | Asumalahti, Kati (Author) Veal, Colin (Author) Laitinen, Tarja (Author) Suomela, Sari (Author) Allen, Michael (Author) Elomaa, Outi (Author) Moser, Michael (Author) De Cid, Rafael (Author) Ripatti, Samuli (Author) Vorechovsky, Igor (Author) Marcusson, Jan A. (Author) Nakagawa, Hidemi (Author) Lazaro, Conxi (Author) Estivill, Xavier (Author) Capon, Francesca (Author) Novelli, Giuseppe (Author) Saarialho-Kere, Ulpu (Author) Barker, Jonathan (Author) Trembath, Richard (Author) Kere, Juha (Author) |
| Date: | 2002 |
| Status: | Published |
| Contact Email Address: | juha.kere@biosci.ki.se |
| URI: | http://eprints.soton.ac.uk/id/eprint/24615 |
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