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Cyclic dermal BMP signalling regulates stem cell activation during hair regeneration

Cyclic dermal BMP signalling regulates stem cell activation during hair regeneration Fur-coated mammals could teach us important lessons about the control of stem cell replication: their skins contain thousands of hair follicles that cycle between growth and rest phases, and somehow all the individual follicle stem cells are programmed to coordinate cell divisions. Bone morphogenetic proteins (BMPs) and their inhibitors have now been identified as central to the control of waves of hair follicle activity. In mice regenerating hair after a close shave, variations in BMP2 and BMP4 production both regulate hair growth in individual follicles and coordinate it with nearby follicles. This pair of signalling molecules also fits the description of chalone, a hypothetical molecule introduced 50 years ago to explain patterned hair growth. This work has implications for carcinogenesis and stem-cell engineering studies, many of which assume that mouse skin stays homogeneous during lengthy experiments. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Springer Journals

Cyclic dermal BMP signalling regulates stem cell activation during hair regeneration

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References (32)

Publisher
Springer Journals
Copyright
Copyright © 2008 by Nature Publishing Group
Subject
Science, Humanities and Social Sciences, multidisciplinary; Science, Humanities and Social Sciences, multidisciplinary; Science, multidisciplinary
ISSN
0028-0836
eISSN
1476-4687
DOI
10.1038/nature06457
Publisher site
See Article on Publisher Site

Abstract

Fur-coated mammals could teach us important lessons about the control of stem cell replication: their skins contain thousands of hair follicles that cycle between growth and rest phases, and somehow all the individual follicle stem cells are programmed to coordinate cell divisions. Bone morphogenetic proteins (BMPs) and their inhibitors have now been identified as central to the control of waves of hair follicle activity. In mice regenerating hair after a close shave, variations in BMP2 and BMP4 production both regulate hair growth in individual follicles and coordinate it with nearby follicles. This pair of signalling molecules also fits the description of chalone, a hypothetical molecule introduced 50 years ago to explain patterned hair growth. This work has implications for carcinogenesis and stem-cell engineering studies, many of which assume that mouse skin stays homogeneous during lengthy experiments.

Journal

NatureSpringer Journals

Published: Jan 17, 2008

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