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Decreasing or increasing heat shock protein 72 exacerbates or attenuates heat‐induced cell death, respectively, in rat hypothalamic cells

Authors :
Kao-Chang Lin
Hung-Jung Lin
Ching-Ping Chang
Mao-Tsun Lin
Source :
FEBS Open Bio, Vol 5, Iss 1, Pp 724-730 (2015)
Publication Year :
2015
Publisher :
Wiley, 2015.

Abstract

Heat shock protein (HSP) 72 in serum was decreased to a greater degree in patients with serious heat stroke than in those with mild heat stroke. Thus, increased levels of HSP72 appeared to correlate with a better outcome for the patient. Nevertheless, the function of HSP72 in the heat‐induced hypothalamic cell death has not been assessed. In this study, we found that increasing HSP72 levels with mild heat preconditioning or decreasing HSP72 levels with pSUPER plasmid expressing HSP72 small interfering RNA significantly attenuated or exacerbated heat‐induced cell death in cultured primary hypothalamic cells, respectively. Our findings suggest that HSP72 plays a pivotal role in heat‐induced cell death and may be associated with heat tolerance.

Details

Language :
English
ISSN :
22115463
Volume :
5
Issue :
1
Database :
Directory of Open Access Journals
Journal :
FEBS Open Bio
Publication Type :
Academic Journal
Accession number :
edsdoj.6338ae3be5bd4dd1aa390cf7031b8072
Document Type :
article
Full Text :
https://doi.org/10.1016/j.fob.2015.09.001