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Research Article Open Access

Cytotoxicity analysis by MTT assay of isolated Gossypol from Bt and Non-Bt Cotton Seeds on HeLa Cell Lines

Abstract

The present paper deals with study of In-vitro cytotoxicity effect of isolated gossypol from Bt and Non-Bt cotton seeds on HeLa cell lines. Gossypol is a polyphenolic binaphthyl diadehyde natural yellow colored pigment. It is not only resistance substance for cotton plant’s self –defense system against insect pests and possibly some diseases but also an important phytochemical compound of immense interest due to its several biological properties including anti-cancer,anti-HIV,anti-oxidation, antimicrobial and as male contraceptive. During this study gossypol exhibited broad spectrum of anti-cancer activity against the HeLa cell lines. The cytotoxicity effect of gossypol was detemined by MTT (3-(4-,5-dimethylthiazolyl-2)-2,5-dipheniltetrazolium bromide) assay. Gossypol from Bt and Non-Bt cotton seeds has shown dose dependent cytotoxicity effect against HeLa cell lines. In-vitro screening of the gossypol showed potential cytotoxic activity against HeLa cell lines. Mortality rate of 11.5884% and 22.6058% with 3μg/1μl concentration of isolated gossypol from Bt and Non-Bt cotton seed extracts was observed on HeLa cell lines respectively. Hence the inhibitory concentration at 50% (IC50) was fixed at 3μg/1μl of gossypol for HeLa cells. The standard anti-cancer drug Doxorubicin (1mg/ml) was also used in this study to confirm anti-cancer activity of gossypol isolated from Bt and Non-Bt cotton seed with 1.7828% cell viability. The present study confirms the mild toxic effect of gossypol on HeLa cell lines and can preferably be used as anti-cancerous drug in combination with other natural similar compounds to replace the synthetic chemical drugs for fewer side effects.

R Chandrashekar N Lakshmi Bhavani, P Jyothi Chaitanya and Karunaker Rao Kudle

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