Abstract
This report describes an avian TCR molecule, TCR1, whose molecular characteristics, signal-transducing property, and tissue distribution suggest that it is a homologue of the mammalian TCR-gamma/delta. TCR1+ cells are the first to be generated in the thymus during ontogeny, preceding other T3+ cells by approximately 3 d. Unlike their mammalian counterpart, TCR1+ cells constitute a relatively large subpopulation of peripheral T cells in mature chickens. These results suggest a phylogenetically important role for this receptor in T cell development and function.
MeSH Terms
Animals
Antigens, Differentiation, T-Lymphocyte/analysis,immunology
Cell Differentiation
Chick Embryo
Chickens/growth & development,immunology
Lymphocyte Activation
Mice
Mice, Inbred BALB C
Phenotype
Receptors, Antigen, T-Cell/analysis,immunology,isolation & purification
T-Lymphocytes/analysis,classification,metabolism
Tissue Distribution
Chemicals
Antigens, Differentiation, T-Lymphocyte
Receptors, Antigen, T-Cell
Authors & Affiliations
5 authors, click to expand affiliations / ORCID
Sowder J T
Cellular Immunobiology Unit, University of Alabama, Birmingham 35294.
Chen C L
Ager L L
Chan M M
Cooper M D
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