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Effect of Carica Seed Extract on Inhibitory Kappa B Kinase Beta and mTOR mRNA Expression in Lung Cancer Cells (A549 Cells)

Background: Lung cancer is considered as one of the most common causes for cancer-related death globally. Carica papaya is one of the most well-known traditional medicines to treat diseases, and is also known to treat cancer and help in cancer prevention. The study investigates the effect of Carica seed extract on inhibitory kappa B kinase beta and mTOR mRNA expression in lung cancer cells (A549 cells). 
Methods: Cell viability test was assessed using MTT assay. mRNA expression of inhibitory kappa B kinase beta and mTOR mRNA was analyzed by real-time PCR. The results was analysed statistically by ANOVA and Duncan multiple range test with graphpad prism version 5 software. p<0.05 was considered significant. 
Results: It was observed that there wasmaximum inhibition (50%) at 400-500µg/ml of Carica seed extract. It was also found that the fold change over control of mTOR mRNA expression was significant at 500µg/ml of Carica seed extract and the fold change over control of IKKB mRNA expression was significant (p<0.05) at 400µg/ml in cancer cells treated with Carica seed extract. 
Conclusion: Thus concluding that Carica seed extract has been found to have significant anticancer property on A549 lung cancer cell lines, and can be used as a natural product in combating lung cancer.