Mutations in KIRREL1, a slit diaphragm component, cause steroid-resistant nephrotic syndrome
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Mutations in KIRREL1, a slit diaphragm component, cause steroid-resistant nephrotic syndrome. / Solanki, Ashish K; Widmeier, Eugen; Arif, Ehtesham; Sharma, Shailza; Daga, Ankana; Srivastava, Pankaj; Kwon, Sang-Ho; Hugo, Hannah; Nakayama, Makiko; Mann, Nina; Majmundar, Amar J; Tan, Wei; Gee, Heon Yung; Sadowski, Caroline E; Rinat, Choni; Becker-Cohen, Rachel; Bergmann, Carsten; Rosen, Seymour; Somers, Michael; Shril, Shirlee; Huber, Tobias B; Mane, Shrikant; Hildebrandt, Friedhelm; Nihalani, Deepak.
in: KIDNEY INT, Jahrgang 96, Nr. 4, 10.2019, S. 883-889.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - Mutations in KIRREL1, a slit diaphragm component, cause steroid-resistant nephrotic syndrome
AU - Solanki, Ashish K
AU - Widmeier, Eugen
AU - Arif, Ehtesham
AU - Sharma, Shailza
AU - Daga, Ankana
AU - Srivastava, Pankaj
AU - Kwon, Sang-Ho
AU - Hugo, Hannah
AU - Nakayama, Makiko
AU - Mann, Nina
AU - Majmundar, Amar J
AU - Tan, Wei
AU - Gee, Heon Yung
AU - Sadowski, Caroline E
AU - Rinat, Choni
AU - Becker-Cohen, Rachel
AU - Bergmann, Carsten
AU - Rosen, Seymour
AU - Somers, Michael
AU - Shril, Shirlee
AU - Huber, Tobias B
AU - Mane, Shrikant
AU - Hildebrandt, Friedhelm
AU - Nihalani, Deepak
N1 - Copyright © 2019 International Society of Nephrology. Published by Elsevier Inc. All rights reserved.
PY - 2019/10
Y1 - 2019/10
N2 - Steroid-resistant nephrotic syndrome is a frequent cause of chronic kidney disease almost inevitably progressing to end-stage renal disease. More than 58 monogenic causes of SRNS have been discovered and majority of known steroid-resistant nephrotic syndrome causing genes are predominantly expressed in glomerular podocytes, placing them at the center of disease pathogenesis. Herein, we describe two unrelated families with steroid-resistant nephrotic syndrome with homozygous mutations in the KIRREL1 gene. One mutation showed high frequency in the European population (minor allele frequency 0.0011) and this patient achieved complete remission following treatment, but later progressed to chronic kidney disease. We found that mutant KIRREL1 proteins failed to localize to the podocyte cell membrane, indicating defective trafficking and impaired podocytes function. Thus, the KIRREL1 gene product has an important role in modulating the integrity of the slit diaphragm and maintaining glomerular filtration function.
AB - Steroid-resistant nephrotic syndrome is a frequent cause of chronic kidney disease almost inevitably progressing to end-stage renal disease. More than 58 monogenic causes of SRNS have been discovered and majority of known steroid-resistant nephrotic syndrome causing genes are predominantly expressed in glomerular podocytes, placing them at the center of disease pathogenesis. Herein, we describe two unrelated families with steroid-resistant nephrotic syndrome with homozygous mutations in the KIRREL1 gene. One mutation showed high frequency in the European population (minor allele frequency 0.0011) and this patient achieved complete remission following treatment, but later progressed to chronic kidney disease. We found that mutant KIRREL1 proteins failed to localize to the podocyte cell membrane, indicating defective trafficking and impaired podocytes function. Thus, the KIRREL1 gene product has an important role in modulating the integrity of the slit diaphragm and maintaining glomerular filtration function.
U2 - 10.1016/j.kint.2019.06.016
DO - 10.1016/j.kint.2019.06.016
M3 - SCORING: Journal article
C2 - 31472902
VL - 96
SP - 883
EP - 889
JO - KIDNEY INT
JF - KIDNEY INT
SN - 0085-2538
IS - 4
ER -