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Cell Signal. 2012 Feb;24(2):369-77. doi: 10.1016/j.cellsig.2011.09.023. Epub 2011 Oct 1.

Cellular signaling and biological functions of R-spondins.

Author information

1
Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME 04074, USA. yoonje@mmc.org

Abstract

R-spondins (RSPOs) are a family of cysteine-rich secreted proteins containing a single thrombospondin type I repeat (TSR) domain. A vast amount of information regarding cellular signaling and biological functions of RSPOs has emerged over the last several years, especially with respect to their roles in the activation of the WNT signaling pathway. The identification of several classes of RSPO receptors may indicate that this family of proteins can affect several signaling cascades. Herein, we summarize the current understanding of RSPO signaling and its biological functions, and discuss its potential therapeutic implications to human diseases.

PMID:
21982879
PMCID:
PMC3237830
DOI:
10.1016/j.cellsig.2011.09.023
[Indexed for MEDLINE]
Free PMC Article

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