Abstract
Sleep is a profound regulator of cellular immunity, and the curtailment of sleep in present day lifestyle leads to disruption of neuro-immune–endocrine interactions. No therapeutic remedy is yet known for the amelioration of detrimental effects caused by sleep deprivation (SD). The current study was aimed to elucidate the effects of acute SD on immune function and its modulation by water extract from leaves of Withania somnifera (ASH-WEX). Three groups of animals, i.e. Vehicle-Undisturbed sleep (VUD), Vehicle-Sleep deprived (VSD) and ASH-WEX fed sleep deprived (WSD) rats were tested for their anxiety-like behaviour and further used for the study of inflammatory and apoptotic markers expression in piriform cortex and hippocampus regions of the brain. VSD animals showed high level of anxiety in elevated plus maze test, which was ameliorated in WSD group. The stress induced expression of inflammatory and immune response markers GFAP, TNFα, IL-6, OX-18 and OX-42 in VSD animals was found to be modulated by ASH-WEX. Further, the stress induced apoptosis was suppressed in WSD group as indicated by expression of NF-κB, AP-1, Bcl-xL and Cytochrome c. This study provides scientific validation to the anxiolytic, anti-inflammatory and anti-apoptotic properties of ASH-WEX, which may serve as an effective dietary supplement for management of SD induced stress and associated functional impairments.
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Acknowledgements
The current research work was funded by Department of Science and Technology (DST), Government of India (GOI). Taranjeet Kaur, Rachana Mishra and Shaffi Manchanda are thankful to University Grants Commission (UGC), GOI for fellowship grant during the entire course of study. Harpal Singh and Anuradha Sharma are thankful to DST, GOI for fellowship grant. Muskan Gupta and Vedangana Saini are thankful to Council of Scientific and Industrial Research (CSIR), GOI for fellowship grant. Infrastructure provided by UGC, India under University with Potential for Excellence (UPE) and Centre with Potential for Excellence in Particular Area (CPEPA) schemes and Department of Biotechnology (DBT), India under DISC facility is highly acknowledged. The funding source had no role in study design; collection, analysis and interpretation of data; in writing of report; and in decision to submit the article for publication.
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Kaur, T., Singh, H., Mishra, R. et al. Withania somnifera as a potential anxiolytic and immunomodulatory agent in acute sleep deprived female Wistar rats. Mol Cell Biochem 427, 91–101 (2017). https://doi.org/10.1007/s11010-016-2900-1
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DOI: https://doi.org/10.1007/s11010-016-2900-1