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Br J Rheumatol. 1991 Dec;30(6):449-50.

Immunoglobulin heavy chain gene polymorphisms in Italian patients with psoriasis and psoriatic arthritis.

Author information

1
Molecular Immunogenetics Unit, UMDS, Guy's Hospital, London.

Abstract

A polymorphism of the switch region of the mu IgH gene (S mu) is associated with arthritis in English patients with psoriasis. In this study, Italian patients with psoriasis alone (PS) or psoriatic arthritis (PSA) were analysed by Southern blot using DNA probes for the S mu region and a hypervariable locus 5' of the joining (JH) region of IgH (5' JH). No association between PSA and IgH gene polymorphisms was found. However, an association was found between PS and a genotype of the 5' JH region (Fisher's P = 0.0002, RR = 27). Additional DNA markers around the S mu region may reveal more accurate markers for PS or PSA.

PMID:
1684125
[Indexed for MEDLINE]

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