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  • Title: Distinct Ir genes for helper and killer cells in the cytotoxic response to H-Y antigen.
    Author: von Boehmer H, Haas W.
    Journal: J Exp Med; 1979 Nov 01; 150(5):1134-42. PubMed ID: 115957.
    Abstract:
    The H-Y-specific cytotoxic T-cell response requires helper cells: cells from bone marrow chimeras B6 X CBA leads to B6, B6 X CBA leads to B10.A (5R), or B6 X CBA leads to CBA are each unable to respond to H-2k male cells. If, however, cells from B6 X CBA leads to B6 or B6 X CBA leads to B10.A (5R) chimeras are adoptively transferred together with cells from B6 X CBA leads to CBA chimeras, H-Y-specific CTL restricted to H-2k can be obtained. Thus, cells from B6 X CBA leads to B6 or B6 X CBA leads to B10.,A (5R) chimeras (restricted to the left end of the H-2b haplotype) can help CTL precursors from B6 X CBA leads to CBA chimeras (restricted to H-2k). The two classes of T cells required for the CTL response to H-Y antigen are controlled by different IR genes. All H-Y-specific CTL obtained from chimeras B6 + CBA leads to B6 X CBA were found to be of B6 origin. This suggests that CTL or their precursors must express antigens encoded in the left end of the H-2b haplotype for interaction with helper cells.
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