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题目:: MiR-107 and miR-99a-3p predict chemotherapy response in patients with advanced colorectal cancer.
作者:: Molina-Pinelo(Sonia),Carnero(Amancio),Rivera(Fernando),Estevez-Garcia(Purificacion),Bozada(Juan Manuel),Limon(Maria Luisa),Benavent(Marta),Gomez(Javier),Pastor(Maria Dolores),Chaves(Manuel),Suarez(Rocio),Paz-Ares(Luis),de la Portilla(Fernando),Carranza-Carranza(Andres),Sevilla(Isabel),Vicioso(Luis),Garcia-Carbonero(Rocio)
状态:: 发布时间2014-09-13 , 更新时间 2015-08-04
期刊:: BMC Cancer
摘要:: MicroRNAs (miRNAs) are involved in numerous biological and pathological processes including colorectal cancer (CRC). The aim of our study was to evaluate the ability of miRNA expression patterns to predict chemotherapy response in a cohort of 78 patients with metastatic CRC (mCRC).,We examined expression levels of 667 miRNAs in the training cohort and evaluated their potential association with relevant clinical endpoints. We identified a miRNA profile that was analysed by RT-qPCR in an independent cohort. For a set of selected miRNAs, bioinformatic target predictions and pathway analysis were also performed.,Eight miRNAs (let-7 g*, miR-107, miR-299-5p, miR-337-5p, miR-370, miR-505*, miR-889 and miR-99a-3p) were significant predictors of response to chemotherapy in the training cohort. In addition, overexpression of miR-107, miR-337-5p and miR-99a-3p, and underexpression of miR-889, were also significantly associated with improved progression-free and/or overall survival. MicroRNA-107 and miR-99a-3p were further validated in an independent cohort as predictive markers for chemotherapy response. In addition, an inverse correlation was confirmed in our study population between miR-107 levels and mRNA expression of several potential target genes (CCND1, DICER1, DROSHA and NFKB1).,MiR-107 and miR-99a-3p were validated as predictors of response to standard fluoropyrimidine-based chemotherapy in patients with mCRC.
语言:: eng
DOI:

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