1. Kidney Int. 2020 Dec;98(6):1397-1400. doi: 10.1016/j.kint.2020.08.013. Clinical and genetic spectra of kidney disease caused by REN mutations. Schaeffer C(1), Olinger E(2). Author information: (1)Molecular Genetics of Renal Disorders, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, Milan, Italy. (2)Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK. Electronic address: eric.olinger@ncl.ac.uk. Comment on Kidney Int. 2020 Dec;98(6):1589-1604. doi: 10.1016/j.kint.2020.06.041. Heterozygous mutations in REN cause autosomal dominant tubulointerstitial kidney disease (ADTKD), an increasingly recognized entity characterized by interstitial fibrosis and tubular damage. In contrast to more common forms of ADTKD, the rarity of ADTKD-REN has precluded a thorough disease characterization. Živná and colleagues take advantage of an international patient cohort to expand the genetic and clinical spectra of ADTKD-REN and to establish genotype-phenotype correlations with important implications for patient care. Copyright © 2020 International Society of Nephrology. Published by Elsevier Inc. All rights reserved. DOI: 10.1016/j.kint.2020.08.013 PMID: 33276865 [Indexed for MEDLINE]