Hedgehog Signaling Is From Epithelium to Mesenchyme in the Adult Intestine

Abstract

Homeostasis of the rapidly renewing intestinal epithelium depends on a balance between cell proliferation and loss. Indian hedgehog (Ihh) acts as a negative feedback signal in this dynamic equilibrium. We discuss recent evidence that Ihh may be one of the key epithelial signals that indicates epithelial integrity to the underlying mesenchyme. Nikè V. J. A… (More)

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