Adult renal mesenchymal stem cell-like cells contribute to juxtaglomerular cell recruitment

Hao Wang, Jose A. Gomez, Sabine Klein, Zhiping Zhang, Barbara Seidler, Yanqiang Yang, Jeffrey Schmeckpeper, Lunan Zhang, Garrett G. Muramoto, John Chute, Richard E. Pratt, Dieter Saur, Maria Mirotsou, Victor J. Dzau

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

The renin-angiotensin-aldosterone system (RAAS) regulates BP and salt-volume homeostasis. Juxtaglomerular (JG) cells synthesize and release renin, which is the first and rate-limiting step in the RAAS. Intense pathologic stresses cause a dramatic increase in the number of renin-producing cells in the kidney, termed JG cell recruitment, but how this occurs is not fully understood. Here, we isolated renal CD44+ mesenchymal stemcell (MSC)-like cells and found that they differentiated into JG-like renin-expressing cells both in vitro and in vivo. Sodium depletion and captopril led to activation and differentiation of these cells into renin-expressing cells in the adult kidney. In summary, CD44+ MSC-like cells exist in the adult kidney and can differentiate into JG-like renin-producing cells under conditions that promote JG cell recruitment.

Original languageEnglish
Pages (from-to)1263-1273
Number of pages11
JournalJournal of the American Society of Nephrology
Volume24
Issue number8
DOIs
StatePublished - 31 Jul 2013
Externally publishedYes

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