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Hum Genet. 1993 May;91(4):403-4.

Polymorphism in human IL-1 receptor antagonist gene intron 2 is caused by variable numbers of an 86-bp tandem repeat.

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  • 1Department of Medicine, University of Sheffield, Royal Hallamshire Hospital, UK.

Abstract

We have investigated the polymorphism in intron 2 of the interleukin-1 receptor antagonist gene and identified two new alleles of the system. We have shown that the polymorphism is caused by the variable copy number of an 86-bp sequence, by using the polymerase chain reaction and primers immediately flanking the repeat region, and by direct sequencing. The repeat region contains three potential protein-binding sites and therefore the variable copy number may have functional significance.

PMID:
8500797
[PubMed - indexed for MEDLINE]
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