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Sarkar, S. and Wise, K.C. and Manna, S.K. and Ramesh, V. and Yamauchi, K. and Thomas, R.L. and Wilson, B.L. and Kulkarni, A.D. and Pellis, N.R. and Ramesh, G.T. (2006) Activation of activator protein-1 in mouse brain regions exposed to simulated microgravity. In Vitro Cellular & Developmental Biology - Animal, 42 (3-4). pp. 96-99. ISSN 1543-706X

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Abstract

Microgravity induces stress, and the brain is one of the targets that is more influenced in this environment. Alteration in transcription factors can have enormous effect because of discrepancy in the signaling process of the cells. Activator protein-1 (AP-1) is a stress-regulated transcription factor and is involved in the regulation of physiological and pathological stimuli that include cytokines, growth factors, and stress signals. In the present study, an attempt has been made to observe the effect of a microgravity environment on the activation of AP-1 in the mouse brain. Our results show that AP-1 transcription factor is activated in simulated microgravity conditions in different regions of the brain. The activation of the AP-1 is dependent upon the increased kinase activity of c-Jun NH-terminal2 kinase-1. These results suggest that microgravity stress in the brain can elicit AP-1 activity.

Item Type: Article
Depositing User: Dr P Divakar
Date Deposited: 22 Jul 2015 11:07
Last Modified: 22 Jul 2015 11:07
URI: http://cdfd.sciencecentral.in/id/eprint/283

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