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J Formos Med Assoc. 2015 Jul;114(7):569-76. doi: 10.1016/j.jfma.2015.01.005. Epub 2015 Feb 17.

Hedgehog signaling: From basic research to clinical applications.

Author information

1
Cardiovascular Research Institute, University of California, San Francisco, CA, USA.
2
Cardiovascular Research Institute, University of California, San Francisco, CA, USA. Electronic address: pao-tien.chuang@ucsf.edu.

Abstract

Studies of the major signaling pathways have revealed a connection between development, regeneration, and cancer, highlighting common signaling networks in these processes. The Hedgehog (Hh) pathway plays a central role in the development of most tissues and organs in mammals. Hh signaling is also required for tissue homeostasis and regeneration in adults, while perturbed Hh signaling is associated with human cancers. A fundamental understanding of Hh signaling will not only enhance our knowledge of how the embryos are patterned but also provide tools to treat diseases related to aberrant Hh signaling. Studies have yielded a basic framework of Hh signaling, which establishes the foundation for addressing unresolved issues of Hh signaling. A detailed characterization of the biochemical interactions between Hh components will help explain the production of graded Hh responses required for tissue patterning. Additional cell biological and genetic studies will offer new insight into the role of Hh signaling in homeostasis and regeneration. Finally, drugs that are capable of manipulating the Hh pathway can be used to treat human diseases caused by disrupted Hh signaling. These investigations will serve as a paradigm for studying signal transduction/integration in homeostasis and disease, and for translating discovery from bench to bedside.

KEYWORDS:

Hedgehog; cancer; cilium; development; mechanism; signaling

PMID:
25701396
DOI:
10.1016/j.jfma.2015.01.005
[Indexed for MEDLINE]
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