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《临床与病理杂志》
>Application of Mir-301a in the prediction of chemosensitivity and evaluation of the effect of neoadjuvant chemotherapy in gastric cancer
Application of Mir-301a in the prediction of chemosensitivity and evaluation of the effect of neoadjuvant chemotherapy in gastric cancer
Objective:Previous research has revealed an elevated expression of miR-301a in gastric cancer. Our study aimed to explore the potential role of miR-301a as a biomarker for predicting the chemosensitivity and evaluating the effect of NAC in gastric cancer.Methods: hTe expression levels of circulating miR-301a in plasma of 50 patients with advanced gastric cancer were assessed before and atfer NAC, as well as in 50 healthy individuals. hTe correlations between miR-301a and clinicopathological features, traditional measures like CT, EUS and tumor markers were also analysed. Results:MiR-301a showed a higher expression in patients’ plasma than healthy individuals (P=0.01). The expression was signiifcantly associated with NAC sensitivity (P=0.006) and tumor downstaging (P=0.002). After NAC, significant decreased miR-301a levels are often accompanied by preferable tumor remission, showing a better NAC sensitivity. Meanwhile, the traditional measures (CT, EUS, tumor markers) showed much less accuracy comparing with miR-301a.Conclusion:Our results indicate that plasma miR-301a may be a potential biomarker for evaluating the effect of NAC and predicting chemoresistance in gastric cancer.
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