TMEM201 and renal fibrosis: Next, although the administration of the miRNA-503-5p-inhibitor did not show a therapeutic effect on age-dependent renal impairment, i.e., in the SAMP1 mice, the administration of the miRNA-503-5p-inhibitor was observed to exert therapeutic effects on the renal fibrosis induced by UUO and the glomerulosclerosis induced by intravenous adriamycin injection.