{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,29]],"date-time":"2025-10-29T03:41:57Z","timestamp":1761709317121},"reference-count":54,"publisher":"American Physiological Society","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American Journal of Physiology-Renal Physiology"],"published-print":{"date-parts":[[2017,3,1]]},"abstract":"<jats:p>The prorenin receptor (PRR) is a receptor for renin and prorenin, and an accessory subunit of the vacuolar proton pump H<jats:sup>+<\/jats:sup>-ATPase. Renal branching morphogenesis, defined as growth and branching of the ureteric bud (UB), is essential for mammalian kidney development. Previously, we demonstrated that conditional ablation of the PRR in the UB in PRR<jats:sup>UB\u2212\/\u2212<\/jats:sup>mice causes severe defects in UB branching, resulting in marked kidney hypoplasia at birth. Here, we investigated the UB transcriptome using whole genome-based analysis of gene expression in UB cells, FACS-isolated from PRR<jats:sup>UB\u2212\/\u2212<\/jats:sup>, and control kidneys at birth (P0) to determine the primary role of the PRR in terminal differentiation and growth of UB-derived collecting ducts. Three genes with expression in UB cells that previously shown to regulate UB branching morphogenesis, including Wnt9b, \u03b2-catenin, and Fgfr2, were upregulated, whereas the expression of Wnt11, Bmp7, Etv4, and Gfr\u03b11 was downregulated. We next demonstrated that infection of immortalized UB cells with shPRR in vitro or deletion of the UB PRR in double-transgenic PRR<jats:sup>UB\u2212\/\u2212<\/jats:sup>\/ BatGal<jats:sup>+<\/jats:sup>mice, a reporter strain for \u03b2-catenin transcriptional activity, in vivo increases \u03b2-catenin activity in the UB epithelia. In addition to UB morphogenetic genes, the functional groups of differentially expressed genes within the downregulated gene set included genes involved in molecular transport, metabolic disease, amino acid metabolism, and energy production. Together, these data demonstrate that UB PRR performs essential functions during UB branching and collecting duct morphogenesis via control of a hierarchy of genes that control UB branching and terminal differentiation of the collecting duct cells.<\/jats:p>","DOI":"10.1152\/ajprenal.00563.2016","type":"journal-article","created":{"date-parts":[[2016,12,29]],"date-time":"2016-12-29T02:10:17Z","timestamp":1482977417000},"page":"F407-F417","source":"Crossref","is-referenced-by-count":16,"title":["Prorenin receptor controls renal branching morphogenesis via Wnt\/\u03b2-catenin signaling"],"prefix":"10.1152","volume":"312","author":[{"given":"Renfang","family":"Song","sequence":"first","affiliation":[{"name":"Division of Pediatric Nephrology, Department of Pediatrics, Hypertension and Renal Center of Excellence, Tulane University School of Medicine, New Orleans, 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