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. 1976 Oct 1;144(4):1141-6.
doi: 10.1084/jem.144.4.1141.

Effects of anti-Ia sera on mitogenic responses. III. Mapping the genes controlling the expression of Ia determinants on concanavalin A-reactive cells to the I-J subregion of the H-2 gene complex

J A Frelinger, J E Niederhuber, D C Shreffler

Effects of anti-Ia sera on mitogenic responses. III. Mapping the genes controlling the expression of Ia determinants on concanavalin A-reactive cells to the I-J subregion of the H-2 gene complex

J A Frelinger et al. J Exp Med. .

Abstract

We have shown that the Ia determinants expressed on nylon wool-purified T lymphocytes reactive to concanavalin A (Con A) in serum-free media are coded in a single I subregion of the H-2 gene complex. This region, I-J, is defined by two pairs of intra-H-2 recombinant haplotypes: H-2t3, H-2t4 and H-2i3, H-2i5, carried by B10.HTT, B10.S(9R), B10.A(3R), AND B10.A(5R), respectively. No activity against Con A-reactive T cells has been detected in any antiserum that was produced in strain combinations which shared a common I-J region. This suggests that Ia antigens expressed on Con A-reactive T cells are restricted to the I-J subregion.

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References

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