Table 1: miRNA regulation in the tumor microenvironment.

miRNA Up- or downregulated Tumor microenvironment Tumor entity Reference miR-16 Up CAF Bladder [11] miR17/20 Down CAF Breast [30] miR-21 Up ECM, Hypoxia Bile duct, breast, glia [36–38, 42] miR-29b Up CAF Endometrial [18] miR-29c Down ECM Nasophayngeal [40] mirR-31 Down CAF Endometrial [18] miR-143 Down CAF Bladder [11] miR-145 Down CAF Bladder [11] miR-146a Up CAF Endometrial [18] miR-146b Down ECM Glia [39] miR-320 Up CAF Bladder [11] miR-503 Up CAF Endometrial [18]