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A small molecule screening to detect potential therapeutic targets in human podocytes. Am J Physiol Renal Physiol 312: F157\u2013F171, 2017. First published October 19, 2016; doi:10.1152\/ajprenal.00386.2016. Steroid-resistant nephrotic syndrome (SRNS) inevitably progresses to end-stage kidney disease, requiring dialysis or transplantation for survival. However, treatment modalities and drug discovery remain limited. Mutations in over 30 genes have been discovered as monogenic causes of SRNS. Most of these genes are predominantly expressed in the glomerular epithelial cell, the podocyte, placing it at the center of the pathogenesis of SRNS. Podocyte migration rate (PMR) represents a relevant intermediate phenotype of disease in monogenic causes of SRNS. We therefore adapted PMR in a high-throughput manner to screen small molecules as potential therapeutic targets for SRNS. We performed a high-throughput drug screening of a National Institutes of Health Clinical Collection (NCC) library ( n = 725 compounds) measuring PMR by videomicroscopy. We used the Woundmaker to perform individual 96-well scratch wounds and screened compounds using a quantitative kinetic live cell imaging migration assay using IncuCyte ZOOM technology. Using a normal distribution for the average PMR in wild-type podocytes with a vehicle control (DMSO), we applied a 90% confidence interval to define \u201cdistinct\u201d compounds (5% faster\/slower PMR) and found that 12 of 725 compounds (at 10 \u03bcM) reduced PMR. Clusters of drugs that alter PMR included actin\/tubulin modulators such as the azole class of antifungals and antineoplastic vinca-alkaloids. We hereby identify compounds that alter PMR. The PMR assay provides a new avenue to test therapeutics for nephrotic syndrome. Positive results may reveal novel pathways in the study of glomerular diseases such as SRNS.<\/jats:p>","DOI":"10.1152\/ajprenal.00386.2016","type":"journal-article","created":{"date-parts":[[2016,10,20]],"date-time":"2016-10-20T01:43:46Z","timestamp":1476927826000},"page":"F157-F171","source":"Crossref","is-referenced-by-count":12,"title":["A small molecule screening to detect potential therapeutic targets in human podocytes"],"prefix":"10.1152","volume":"312","author":[{"given":"Eugen","family":"Widmeier","sequence":"first","affiliation":[{"name":"Division of Nephrology, Department of Medicine, Boston Children\u2019s Hospital, Harvard Medical School, Boston, Massachusetts; and"},{"name":"Department of Medicine, Renal Division, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Weizhen","family":"Tan","sequence":"additional","affiliation":[{"name":"Division of 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