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Abstract Title:

Mangiferin, a naturally occurring polyphenol, mitigates oxidative stress induced premature senescence in human dermal fibroblast cells.

Abstract Source:

Mol Biol Rep. 2021 Jan ;48(1):457-466. Epub 2021 Jan 3. PMID: 33393007

Abstract Author(s):

Rashi Kanoi, Pooja Loachan, Shubhankar Das, Bola Sadashiva Satish Rao

Article Affiliation:

Rashi Kanoi

Abstract:

Chronic oxidative stress has been associated with several human ailments including the condition of aging. Extensive studies have shown the causal relationship between oxidative stress, aging, and cellular senescence. In this regard, forestalling or preventing senescence could delay the aging process as well as act as an intervention against premature aging. Hence, in the present study, we investigated the anti-senescence potential of Mangiferin (MGN) against Hydrogen peroxide (HO) induced premature senescence using human dermal fibroblast cells. Early passage human dermal fibroblasts cells were exposed to HO(10 μM) for 15 days. In order to assess the anti-senescence property of MGN, cells were preconditioned with MGN (10 μM / 50 μM; 2 h) followed by addition of HO(10 μM)HOmediated induction of premature senescence was accompanied by elevated ROS, lowering of mitochondrial mass and membrane potential, changes in ATP content along with G/Garrest and SA-β-gal expression. While, conditioning the cells with MGN lowered oxidative burden, stabilized mitochondrial membrane potential / mass and protected the cells against cell cycle arrest, ultimately rendering protection against premature senescence. The present findings showed that MGN might act as apotential cytoprotective nutraceutical that can prolong the onset of chronic oxidative stress mediated premature senescence.

Study Type : In Vitro Study

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