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Journal of Animal Science, Vol 68, Issue 9 2779-2783, Copyright © 1990 by American Society of Animal Science
JOURNAL ARTICLE |
V. Guerriero Jr and D. A. Raynes
Dept. of Anim. Sci., University of Arizona, Tucson 85721.
Cultured bovine, equine, ovine and chicken lymphocytes responded to heat stress by the increased synthesis of a specific set of proteins known as heat stress proteins (HSP). Proteins with molecular weights of 70 and 90 kDa were synthesized in all species. Additional proteins were found in bovine, ovine and chicken lymphocytes. A time course of induction showed an increased synthesis of some of these proteins with only 30 min of heat stress and of several proteins with 60 min of heat stress. A specific monoclonal antibody was used to identify HSP70 as one of the stress proteins in bovine lymphocytes. Cells from these animals are capable of responding to heat stress by the production of heat stress proteins. These may be of physiological importance.
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