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Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Dev+Cell 2017 ; 41 (4): 349-365.e3 Nephropedia Template TP
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Repression of interstitial identity in nephron progenitor cells by Pax2 establishes the nephron-interstitium boundary throughout kidney development #MMPMID28535371
Naiman N; Fujioka K; Fujino M; Valerius MT; Potter SS; McMahon AP; Kobayashi A
Dev Cell 2017[May]; 41 (4): 349-365.e3 PMID28535371show ga
The kidney contains the functional units, the nephrons, surrounded by the renal interstitium. Previously, we discovered that, once Six2-expressing nephron progenitor cells and Foxd1-expressing renal interstitial progenitor cells form at the onset of kidney development, descendant cells from these populations contribute exclusively to the main body of nephrons and renal interstitial tissues, respectively, indicating a lineage boundary between the nephron and renal interstitial compartments. Currently, it is unclear how lineages are regulated during kidney organogenesis. We demonstrate that nephron progenitor cells lacking Pax2 fail to differentiate into nephron cells, but can switch fates into renal interstitium-like cell types. These data suggest that Pax2 function maintains nephron progenitor cells by repressing a renal interstitial cell program. Thus, the lineage boundary between the nephron and renal interstitial compartments is maintained by the Pax2 activity in nephron progenitor cells during kidney organogenesis.