Hedgehog/Wnt feedback supports regenerative proliferation of epithelial stem cells in bladder
2011
The maintenance and regeneration of the epithelium of the adult bladder is poorly understood yet it is a clinically relevant process during urinary tract infections and bladder cancer. This study provides insight into the cellular and molecular mechanisms underlying the regenerative response to injury within the mammalian urinary bladder. Upon injury by bacterial infection or chemical agents, a Shh and Wnt signalling feedback circuit between basal cells of the urothelium and the stromal cells that underlie them leads to regenerative proliferation of the bladder epithelia.
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