Abstract:
:Individual mice were tested for their proliferation T-cell response to H-Y- and H-3-incompatible stimulator cells in secondary mixed lymphocyte culture. Responders expressing the H-2b haplotype were restricted in their response to stimulators presenting H-Y and H-3 in the context of H-2b. Lymphocytes from individual B10 females proliferated in response to H-Y presented with I-Ab and Db. The ratio of I-Ab/Db-restricted responses varied between individual responders, indicating significant qualitative variation between genetically identical responders. The majority of the proliferative response in all tested mice was restricted to the entire H-2b haplotype suggesting complementation of I-Ab- and Db-region genes in presenting the H-Y antigen. Similar observations were made in the response of individual B10.LP mice to the H-3 antigen. H-3-specific, proliferating T cells were restricted to H-3 antigen presented with KbAb and Db with significant variation between individuals in proliferative response to H-3 plus KbAb and Db. In contrast to the response to H-Y, the proliferative response to H-3 plus H-2b could be accounted for by the summation of the proliferative responses to H-3 plus KbAb and Db. These observations demonstrate that the proliferative response to non-H-2H antigens in the context of I-region determinants is not a sine qua non for the T-cell response to these antigens. Further, the individual qualitative and quantitative variation observed with individual genetically identical mice has strong implications for our knowledge of intrastrain variation in immune responsiveness and the characterization of inbred strains for immune responsiveness.
journal_name
Immunogeneticsjournal_title
Immunogeneticsauthors
Wettstein PJdoi
10.1007/BF00342193subject
Has Abstractpub_date
1981-01-01 00:00:00pages
241-52issue
3-4eissn
0093-7711issn
1432-1211journal_volume
14pub_type
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