miRNA gene miRNA_log2FC miRNA_pvalue gene_log2FC gene_pvalue interactions correlation_beta correlation_pvalue PMID evidence outcome cancer hsa-miR-221-3p TP53 0.451556679024397 0.0909808299917811 0.17313275059387 0.48779406985331 miRNAWalker2_validate -0.115825211031354 0.0105671893909646 20880178;24324033 Circulating miR 221 directly amplified from plasma is a potential diagnostic and prognostic marker of colorectal cancer and is correlated with p53 expression; The correlation between miR-221 levels and protein levels of p53 CEA ER and PR clinicopathological features or overall survival was analyzed; The immunohistochemistry analysis demonstrates a significant correlation between plasma miR-221 level and p53 expression; The direct amplification of plasma miR-221 can be used as a potential noninvasive molecular marker for diagnosis and prognosis of CRC and is correlated with p53 expression;Interestingly miR-221 can activate the p53/mdm2 axis by inhibiting MDM2 and in turn p53 activation contributes to miR-221 enhanced expression; Moreover by modulating the p53 axis miR-221 impacts cell-cycle progression and apoptotic response to doxorubicin in hepatocellular carcinoma-derived cell lines; These data were confirmed in clinical specimens of hepatocellular carcinoma in which elevated miR-221 expression was associated with the simultaneous presence of wild-type p53 and DNA hypomethylation poor survival;worse prognosis;progression;drug resistance colorectal cancer;liver cancer hsa-miR-222-3p TP53 0.851783756239071 0.00266783568486918 0.17313275059387 0.48779406985331 miRNAWalker2_validate -0.116904656132339 0.00589565055970469 NA NA NA