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The tetraspanin CD9 controls migration and proliferation of parietal epithelial cells and glomerular disease progression

  • Hélène Lazareth
  • , Carole Henique
  • , Olivia Lenoir
  • , Victor G. Puelles
  • , Martin Flamant
  • , Guillaume Bollée
  • , Cécile Fligny
  • , Marine Camus
  • , Lea Guyonnet
  • , Corinne Millien
  • , François Gaillard
  • , Anna Chipont
  • , Blaise Robin
  • , Sylvie Fabrega
  • , Neeraj Dhaun
  • , Eric Camerer
  • , Oliver Kretz
  • , Florian Grahammer
  • , Fabian Braun
  • , Tobias B. Huber
  • Dominique Nochy, Chantal Mandet, Patrick Bruneval, Laurent Mesnard, Eric Thervet, Alexandre Karras, François Le Naour, Eric Rubinstein, Claude Boucheix, Antigoni Alexandrou, Marcus J. Moeller, Cédric Bouzigues, Pierre Louis Tharaux
  • Institut National de la Santé et de la Recherche Médicale (Inserm)
  • INSERM U869
  • Paris Centre de Recherche Cardiovasculaire (PARCC)
  • Renal Division
  • Pôle de Biologie
  • Université Paris-Saclay
  • Institut Mondor de Recherche Biomédicale
  • Université de PARIS XII
  • Department of Nephrology and Clinical Immunology
  • University Hospital RWTH Aachen
  • Department of Medicine III
  • University Medical Center Hamburg-Eppendorf
  • Department of Nephrology and Center for Inflammatory Diseases
  • Monash University
  • Medical and Infectious Diseases ICU (MI2)
  • National Cytometry Platform
  • Luxembourg Institute of Health
  • Laboratoire de Probabilités et Modèles Aléatoires
  • Department of Renal Medicine
  • Royal Infirmary of Edinburgh
  • Renal Division
  • University Clinic Freiburg
  • Department of Pathology
  • Groupe Hospitalier Lariboisiere-Fernand Widal Assistance Publique-Hopitaux de Paris (AP-HP)
  • Critical Care Nephrology and Kidney Transplantation
  • Paris-Saclay University
  • University Paris-Saclay

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

76 Citations (Scopus)

Résumé

The mechanisms driving the development of extracapillary lesions in focal segmental glomerulosclerosis (FSGS) and crescentic glomerulonephritis (CGN) remain poorly understood. A key question is how parietal epithelial cells (PECs) invade glomerular capillaries, thereby promoting injury and kidney failure. Here we show that expression of the tetraspanin CD9 increases markedly in PECs in mouse models of CGN and FSGS, and in kidneys from individuals diagnosed with these diseases. Cd9 gene targeting in PECs prevents glomerular damage in CGN and FSGS mouse models. Mechanistically, CD9 deficiency prevents the oriented migration of PECs into the glomerular tuft and their acquisition of CD44 and β1 integrin expression. These findings highlight a critical role for de novo expression of CD9 as a common pathogenic switch driving the PEC phenotype in CGN and FSGS, while offering a potential therapeutic avenue to treat these conditions.

langue originaleAnglais
Numéro d'article3303
journalNature Communications
Volume10
Numéro de publication1
Les DOIs
étatPublié - 1 déc. 2019
Modification externeOui

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