Background: This study aimed to evaluate the expression patterns of miR-103, miR-184, miR-378, miR497 and in squamous cell carcinoma (SCC) of the tongue and to be compared with normal peripheral tissues. Methods: Tumor and marginal tissues were obtained from 50 patients with OSCC. After RNA extraction, expression level of miR-103, miR-184, miR-378, miR497, and miR506 was estimated using SYBR green master mix and real-time quantitative PCR. Results: It was observed that, there was no detectable difference in expression level of miR-103 between tumoral and marginal tissues. However, expression level of miR-184, and miR-378 showed significant increase in tumor tissue samples compared to marginal tissue samples. MiR-497 and miR-506 demonstrated considerable decrease in tumoral cells in comparison with peripheral tissues. Moreover, the expression level of miRNAs was associated with clinicopathological features of the patients. Conclusions: Our data indicated that miR-184, miR-378, miR-497, and miR-506 can be used as a potential diagnostic and prognostic biomarker in OSCC. Nevertheless, more studies are needed to confirm this claim.
Background: After cardiovascular illness, cancer is the one of the main and second cause of death in the worldwide. Despite significant advances in this field, low survival, drug resistance, and side effects of chemotherapy remain an unsolved problem. Due to the high mortality rate among cancer patients, finding the new substance to treatment with low side effects is important. Previous studies have been informed that positive effects of herbal medicines on cancer patients, which are very efficient in the treatment of cancer. Methods: In this study, the antitumor effect of ethanolic Terminalia catappa leaf extract (TCE) on MCF-7, MDA-231, and A549 cell lines was examined. For this reason, the effects of TCE on cell migration, gene expression, and growth were investigated by scratch, test, real-time PCR (qPCR) qPCR, and MTT tests respectively. Results: As a reported by the MTT outcomes, TCE significantly decreased the viability of A549, MCF-7, and MDA-231 cells (P < 0.05). Moreover, genes expression patterns that are related to proliferation (miR-21, miR-34a), migration (MMP-13, Vimentin), and apoptosis (Cas-3, Cas-8, Cas-9, Bcl-2, Bax) also have changed significantly after treatment with TCE. Also, in the A549 cell line, Bax (p value: 0.029), Cas-9 (p value: 0.00023), miR-34a (p value: 0.031), Bcl-2 (p value: 0.0076), MMP-13 (p value: 0.041), Cas-3 (p value: 0.00051) and in MCF-7 cell line Bax (p value: 0.0004), Cas-3 (p value: 0.0003), Cas-9(p value: 0.037), miR-34a (p value: 0.005), Bcl-2(pvalue:0.0007), mir-21(p value:0.016), MMP-13(p value: 0.011) and in MDA-231 cell line Bax(p value<0.0001), Cas-3(p value: 0.003), Cas-9(p value: 0.0004). mir-34a (p value:0.0019), Bcl-2(p value:0.0023), MMP-13(p value: 0.032) have significantly changed compare to control group. Conclusion: The outcomes of this research determined that T. Catappa might be a potential source of antitumor compounds and could be a candidate for further research.
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