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Cloned cellular reagents to define antigens encoded between HLA-DR and glyoxylase.

作者信息

Bach F H, Reinsmoen N L

出版信息

Hum Immunol. 1982 Oct;5(2):133-8. doi: 10.1016/0198-8859(82)90058-1.

Abstract

Primed lymphocyte typing reagents have been used to define antigens encoded by genes of a locus (loci) mapping between HLA-DR and glyoxalase I. This locus, which we shall refer to as the third locus of the HLA-D region, has been variously referred to as D beta, PL beta, PL3, and SB. Generating discriminatory primed lymphocyte typing reagents which can be used to define these antigens, however, has been extremely difficult. Donors of responding and stimulating cells for the priming combinations have usually been matched not only for the DR, D, and MB/MT antigens but also for the HLA-A, -B, and -C antigens. Even under these very restricted conditions, not all bulk primed lymphocyte typing reagents that are generated are discriminatory enough to be useful for antigen definition. We have derived "clones" from bulk priming combinations in which stimulator and responder differed for known antigens of this third locus. Even though the bulk reagents that were prepared did not provide discriminatory results, approximately 7-12% of the clones derived from the bulk priming combination proved to be highly discriminatory. We have been able to obtain these results with regard to all three antigens of the third locus so far evaluated. The very ease of screening clones and deriving discriminatory reagents, as compared with screening responder-stimulator combinations, allows the ready derivation of cellular reagents that define the antigens of this third locus.

摘要

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