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Comparative studies on temperature threshold for heat shock protein 70 induction in young and adult Murrah buffaloes.

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Title Comparative studies on temperature threshold for heat shock protein 70 induction in young and adult Murrah buffaloes.
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Creator Haque, N., Ludri, A., Hossain, S.A., Ashutosh, M.
 
Subject heat shock protein 70
physiological parameters
heat stress
young and adult Murrah buffalo
 
Description Not Available
To know the temperature threshold for heat shock protein 70 (HSP70) induction in lymphocytes and to assess physiological changes, if any, in relation to HSP70 induction in young and adult Murrah buffaloes, this
study was divided into two parts: I. In vivo study: where assay of HSP70 was performed in blood samples collected from acutely exposed young and adult Murrah buffaloes (n = 6) inside a climatic chamber at 40, 42
and 45 C for 4 h and thermoneutral temperature (22 C). Physiological parameters viz., rectal temperature, respiratory rate, pulse rate and skin temperature of different body parts were monitored to assess magnitude
of stress in the animals owing to thermal exposure II. For in vitro study, equal numbers of lymphocyte cells were separated from blood collected from young and adult buffaloes and were subjected to four temperature
treatments (38, 40, 42 and 45 C) for 4 h. A significant increase (p < 0.05) in all the physiological parameters in both young and adult buffaloes was observed after exposure to 40, 42 and 45 C for 4 h as compared to 38 C. The average plasma HSP70 concentrations (ng/ml) were significantly higher (p < 0.05) at 40, 42 and 45 C as compared to 38 C in both young and adult and were higher in young than adult buffaloes at 38 and 45 C. Heat shock protein 70 level in lymphocyte lysate showed highest concentration after 3-h exposure to all emperatures (40, 42 and 45 C) in both young and adult buffaloes. The intensity of changes of all physiological parameters was more in young animals than in the adults indicating the greater susceptibility of younger animals to heat stress and was found to be changed at around 40 C when animals were exposed to different temperatures, indicating the possibility that HSP70 production may be initiated at this temperature which is 2 or 3 C higher than core body temperature.
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Date 2021-08-02T08:23:51Z
2021-08-02T08:23:51Z
2011-06-24
 
Type Research Paper
 
Identifier Haque, N., Ludri, A., Hossain, S.A., Ashutosh, M. (2012) Comparative studies on temperature threshold for heat shock protein 70 induction in young and adult Murrah buffaloes. J. Animal Physiol. Anim. Nutr., 96: 920-929
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http://krishi.icar.gov.in/jspui/handle/123456789/52083
 
Language English
 
Relation Not Available;
 
Publisher Journal of Animal Physiology and Animal Nutrition