Abstract Title:

Naringin, a Natural Flavonoid, Modulates UVB Radiation-Induced DNA Damage and Photoaging by Modulating NER Repair and MMPS Expression in Mouse Embryonic Fibroblast Cells.

Abstract Source:

J Environ Pathol Toxicol Oncol. 2020 ;39(2):191-199. PMID: 32749127

Abstract Author(s):

Roopa NilamberLal Das, Agilan Balupillai, Ernest David, Murali Santhoshkumar, Sridevi Muruhan

Article Affiliation:

Roopa NilamberLal Das


We have proven that naringin, a phytonutrient, diminishes oxidative damage and inflammatory responses by modulating PPAR-γ expressions in ultraviolet-B radiation (UVB)-induced NIH-3T3 cells. However, the role of naringin against DNA damage, photoaging, and apoptosis in NIH-3T3 cells has yet to be studied, necessitating investigation. We show that Naringin pretreatment significantly reduces UVB-induced alkaline DNA damage and potentially modulates NER gene (XPC, TFIIH, XPE, ERCC1, and GAPDH) expression, thereby augmenting DNA repair. We determined experimentally that naringin pretreatment prevents UVB-induced nuclear fragmentation in NIH-3T3 cells, as well as altering UVB-induced apoptotic marker (Bax, BCl-2, Caspase-9, and Caspase-3) expression in them. In addition, naringin pretreatment inhibits UVB-stimulated matrix metalloproteinase (MMP-2, MMP-9 and MMP-13) expression in these 3T3 cells. Therefore, we report that naringin can effectively avert UVB-mediated DNA damage, photoaging, and apoptosis in NIH-3T3 cells.

Study Type : In Vitro Study

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