Sox9-Positive Progenitor Cells Play a Key Role in Renal Tubule Epithelial Regeneration in Mice

Hyun Mi Kang, Shizheng Huang, Kimberly Reidy, Seung Hyeok Han, Frank Chinga, Katalin Susztak

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

The kidney has a tremendous capacity to regenerate following injury, but factors that govern this response are still largely unknown. We isolated cells from mouse kidneys with high proliferative and multi-lineage differentiation capacity. These cells expressed a high level of Sox9. In regenerating kidneys, Sox9 expression was induced early, and 89% of proliferating cells were Sox9 positive. In vitro, Sox9-positive cells showed unlimited proliferation and multi-lineage differentiation capacity. Using an inducible Sox9 Cre line and lineage-tagging methods, we show that Sox9-positive cells can generate new daughter cells, contributing to the regeneration of proximal tubule, loop of Henle, and distal tubule segments but not to collecting duct and glomerular cells. Furthermore, inducible deletion of Sox9 resulted in reduced epithelial proliferation, more severe injury, and fibrosis development. In summary, we demonstrate that, in the kidney, Sox9-positive cells show progenitor-like properties in vitro and contribute to epithelial regeneration following injury in vivo.

Original languageEnglish
Pages (from-to)861-871
Number of pages11
JournalCell Reports
Volume14
Issue number4
DOIs
Publication statusPublished - 2016 Feb 2

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Regeneration
Stem Cells
Cells
Kidney
Ducts
Wounds and Injuries
Loop of Henle
Fibrosis

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Kang, Hyun Mi ; Huang, Shizheng ; Reidy, Kimberly ; Han, Seung Hyeok ; Chinga, Frank ; Susztak, Katalin. / Sox9-Positive Progenitor Cells Play a Key Role in Renal Tubule Epithelial Regeneration in Mice. In: Cell Reports. 2016 ; Vol. 14, No. 4. pp. 861-871.
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Sox9-Positive Progenitor Cells Play a Key Role in Renal Tubule Epithelial Regeneration in Mice. / Kang, Hyun Mi; Huang, Shizheng; Reidy, Kimberly; Han, Seung Hyeok; Chinga, Frank; Susztak, Katalin.

In: Cell Reports, Vol. 14, No. 4, 02.02.2016, p. 861-871.

Research output: Contribution to journalArticle

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