Abstract
Genetic analysis of the high responder-non-(or low) responder differences between WF and ACI rats to the synthetic copolymers GT and GA established singleIr-genes for both antigens and dominance for high responder status.Ir-GT andIr-GA are linked to the major histocompatibility locus. It could be demonstrated that only T cells carrying the high responderIr-GT gene undergo in vitro blast transformation to GT. The advantages of the rat systems for further studies of the regulatory role ofIr-genes on the cellular level are discussed.
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Abbreviations
- cpm:
-
counts per minute
- DHR:
-
delayed hypersensitivity reaction
- GA:
-
random synthetic copolymer of L-glutamic acid50, L-alanine50, M.W. 45,000
- GT:
-
random synthetic copolymer of L-glutamic acid50, L-tyrosine50, M.W. 22,000
- Ir gene:
-
immune response gene
- MLC:
-
mixed lymphocyte cultures
- LDH:
-
lactic dehydrogenase
- (T,G)-A-L:
-
branched chain synthetic polymer of poly-L (tyrosine, glutamic acid)-poly-D, L-alanine-poly-L-lysine
- ACI:
-
ACI/MaI
- WF:
-
Wistar Furth
- AUG:
-
August 28807/Cr
References
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Armerding, D., Katz, D.H. & Benacerraf, B. Immune response genes in inbred rats. II. Segregation studies of the GT and GA genes and their linkage to the major histocompatibility locus. Immunogenetics 1, 340–351 (1974). https://doi.org/10.1007/BF01564072
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DOI: https://doi.org/10.1007/BF01564072