Abstract Background The disruption of normal gene regulation due to microRNA dysfunction is a common event in cancer pathogenesis. MicroRNA-27b is an example of an oncogenic miRNA. and it is frequently upregulated in breast cancer. MicroRNAs have been found to deregulate tumor metabolism. https://www.roneverhart.com/Radial-J33-Riaa-Turntable-Preamp-Direct-Box-p14613/