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Roles of the Hedgehog Signaling Pathway in Skin Development, Homeostasis and Cancer
Version 1
: Received: 15 November 2017 / Approved: 15 November 2017 / Online: 15 November 2017 (07:11:15 CET)
A peer-reviewed article of this Preprint also exists.
Abe, Y.; Tanaka, N. Roles of the Hedgehog Signaling Pathway in Epidermal and Hair Follicle Development, Homeostasis, and Cancer. J. Dev. Biol. 2017, 5, 12. Abe, Y.; Tanaka, N. Roles of the Hedgehog Signaling Pathway in Epidermal and Hair Follicle Development, Homeostasis, and Cancer. J. Dev. Biol. 2017, 5, 12.
Abstract
The epidermis is the outermost layer of skin and provides a protective barrier against environmental insults. It is a rapidly renewing tissue undergoing constant regeneration, maintained by several types of stem cells. Hedgehog (HH) ligands activate one of the fundamental signaling pathways that contribute to epidermal development, homeostasis and repair. The HH pathway interacts with other signal transduction pathways such as those activated by Wnt and bone morphogenetic protein. Furthermore, aberrant activation of HH signaling is associated with various tumors, including basal cell carcinoma. Therefore, an understanding of the regulatory mechanisms of the HH signaling pathway is important to elucidate fundamental mechanisms underlying both organogenesis and carcinogenesis. In this review, we discuss the role of the HH signaling pathway in skin development, homeostasis and basal cell carcinoma formation, providing an update of current knowledge in this field.
Keywords
Hedgehog signaling; skin; epidermis; hair follicle; development; homeostasis; basal cell carcinoma; signaling crosstalk
Subject
Biology and Life Sciences, Biochemistry and Molecular Biology
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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