HLA-B27 in inbred and non-inbred transgenic mice. Cell surface expression and recognition as an alloantigen in the absence of human β2-microglobulin

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Abstract

A gene encoding the H chain of the human class I MHC Ag HLA-B27 was introduced into the germ lines of inbred C57BL/6 (B6) and non-inbred (B6 x SJL/J) F2 mice. By immunofluorescence and flow cytometry, the HLA-B27 gene product was expressed on lymphoid cells at levels comparable to the endogenous H-2b and H-2(s) class I MHC molecules. In both primary and secondary MLC between responder spleen cells from non-transgenic (B6 x SJL/J) F1 mice and transgenic stimulator cells, CTL were generated that specifically lysed mouse L cell (H-2(k)) or human B cell targets expressing HLA-B27, and this lysis thus appeared largely unrestricted by H-2. These results indicate that transgenic mice express a functional HLA-B27 gene product on cell surfaces in the absence of the human β2-microglobulin gene. These transgenic mice promise to be a valuable resource in the investigation of the unique role of HLA-B27 in inflammatory human disease.

Original languageEnglish (US)
Pages (from-to)4020-4023
Number of pages4
JournalJournal of Immunology
Volume141
Issue number11
StatePublished - Dec 1 1988

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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