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Abstract Title:

Exploring the effect of Vitamin E in Cancer Chemotherapy- A Biochemical and Biophysical Insight.

Abstract Source:

J Biophotonics. 2018 May 16:e201800104. Epub 2018 May 16. PMID: 29770585

Abstract Author(s):

Mustansir Bhori, Kanchanlata Singh, Thankamani Marar, C MuraliKrishna

Article Affiliation:

Mustansir Bhori

Abstract:

Many oncologists contend that patient undergoing chemotherapy must avoid antioxidant supplementation as it may interfere with the activity of the drug. In the present investigation, we have explored the influence of vitamin E, a well known antioxidant on Camptothecin (CPT), a potent anti-cancer drug induced cell apoptosis and death of cervical cancer cells. HeLa cells were treated with different concentrations of CPT in presence and absence of 100μm vitamin E. Treated cells were subjected to cytotoxicity studies, catalase assay, DNA fragmentation assay, clonogenic assay and flow cytometry based apoptosis detection. Also, Raman spectroscopy a label free technique which provides global information in conjunction with multivariate tools like PCA, PCLDA and FDA, was investigated to explore vitamin E supplementation induced alterations. Our data based on biochemical and biophysical experimental analysis reveals that CPT causes DNA damage along with protein and lipid alteration culminating in cell death. Importantly, Raman spectroscopic analysis could uniquely differentiate the cluster of control and vitamin E control from CPT and CPT+Vit E treated cells. We conclusively prove that presence of vitamin E at 100μM concentration shows promising antioxidant activity and displays no modulatory role on CPT induced effect, thereby causing no possible hindrance with the efficacy of the drug. Vitamin E may prove beneficial to alleviate chemotherapy associated side effects in patients during clinical settings which may open the doors further for subsequent exploration in in vivo pre clinical studies. This article is protected by copyright. All rights reserved.

Study Type : In Vitro Study

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Sayer Ji
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