Psoriasis a common autoimmune disorder characterized by T cell mediated keratinocyte hyperproliferation known to be associated with the presence of certain specific HLA alleles. In this study our aim was to evaluate distribution of Human leukocyte antigen (HLA-Cw) susceptible allele of psoriasis from patients in Western India. The study included 84 Psoriasis patients and 91 normal individuals from the same geographical region. Human leukocyte antigen HLA-C was typed using high resolution polymerase chain reaction- sequence specific oligonucleotide probes (PCR-SSOP) technique. The study revealed significant increase in frequencies of Cw*0202 (OR-6.508, P<0.0001) and Cw*0604 (OR-17.710, P=0.0153) when compared to controls while Cw*1502 (OR-0.130, P=0.0490) were significantly decreased in psoriasis patients. Our study shows a strong association of HLA Cw*0202 and Cw*0604 alleles with psoriasis conferring to its susceptibility to psoriasis patients from Western India.
Key words: HLA Cw alleles, Psoriasis, Mumbai, Western India
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