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- W4311093090 abstract "Colon cancer ranks fourth in mortality. This cancer is still an important clinical challenge worldwide due to its high prevalence and poor prognosis. Proteomic studies revealed that snake venom is a diverse and variable mixture of enzymatic and non-enzymatic proteins and peptides. Despite the toxic effects of these molecules, several proteins and peptides have been isolated that have practical applications and appear to induce apoptosis and prevent cell metastasis. In this study, we worked on cytotoxic effects and anticancer activity of Naja naja oxiana (Iranian Caspian cobra) snake venom components on HT-29 cell line colon cancer. Separated Fraction-5 by FPLC indicated the high cytotoxicity on HT-29 cell line colon cancer by MTT test. Further isolation of F5 by HPLC showed that the purified peak 2, nominated as Oxineur that contains a cytotoxic effect on HT-29 cells and reduces cell viability at 8 μg/ml to 4% in 24 h. Oxineur has the least cytotoxic effect on HEK-293 normal cells. Further studies on Oxineur peptide confirmed the apoptotic effects with high expression of CASP9 gene and DNA fragmentation in cancerous cells. The partial sequence of Oxineur revealed 71% homology with the neurotoxin II from Naja naja oxiana. Since our target molecule is a peptide in the molecular weight range of 7 kDa, it has potentially a therapeutic value." @default.
- W4311093090 created "2022-12-23" @default.
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- W4311093090 date "2023-02-01" @default.
- W4311093090 modified "2023-09-27" @default.
- W4311093090 title "Oxineur, a novel peptide from Caspian cobra Naja naja oxiana against HT-29 colon cancer" @default.
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- W4311093090 doi "https://doi.org/10.1016/j.bbagen.2022.130285" @default.
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