Characterization of anticancer,DNase and antifungal activity of pumpkin 2S albumin |
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Authors: | Prabhat Pratap Singh Tomar Kumar NikhilAnamika Singh Purushotham SelvakumarPartha Roy Ashwani Kumar Sharma |
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Institution: | Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee 247 667, India |
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Abstract: | The plant 2S albumins exhibit a spectrum of biotechnologically exploitable functions. Among them, pumpkin 2S albumin has been shown to possess RNase and cell-free translational inhibitory activities. The present study investigated the anticancer, DNase and antifungal activities of pumpkin 2S albumin. The protein exhibited a strong anticancer activity toward breast cancer (MCF-7), ovarian teratocarcinoma (PA-1), prostate cancer (PC-3 and DU-145) and hepatocellular carcinoma (HepG2) cell lines. Acridine orange staining and DNA fragmentation studies indicated that cytotoxic effect of pumpkin 2S albumin is mediated through induction of apoptosis. Pumpkin 2S albumin showed DNase activity against both supercoiled and linear DNA and exerted antifungal activity against Fusarium oxysporum. Secondary structure analysis by CD showed that protein is highly stable up to 90 °C and retains its alpha helical structure. These results demonstrated that pumpkin 2S albumin is a multifunctional protein with host of potential biotechnology applications. |
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Keywords: | Pumpkin 2S albumin Anticancer activity Deoxyribonuclease activity Antifungal activity CD studies |
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