Document Detail


Distinct roles for S100a8 in early embryo development and in the maternal deciduum.
MedLine Citation:
PMID:  22016186     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
S100a8 is a cytosolic protein expressed in myeloid cells where it forms a stable heterodimer with another S100 protein family member, S100a9. The S100a9(-/-) mouse is viable and phenotypically normal, whereas the S100a8(-/-) condition is embryonic lethal. We present evidence that S100a8, without S100a9, has a previously unrecognized role in embryo development between fertilization and the 8-cell stage at embryonic day (E) 2.5. S100a8 also has a second role in the maternal deciduum, where expression is associated with the vasculature from the E8.5 stage to the formation of mature placenta. Uterine natural killer cells that have a role in vascular remodelling colocalise with the S100a8 vascular expression in the metrial triangle. In inflammatory responses in peripheral tissues, S100a8 is a potent chemoattractant and also an anti-oxidant. Both roles may be important in the developing placenta. Thus we highlight two new S100a9-independent roles for S100a8 in early embryo development. Developmental Dynamics 240:2194-2203, 2011. © 2011 Wiley-Liss, Inc.
Authors:
J R Baker; R Jeffery; R D May; M Mathies; B Spencer-Dene; R Poulsom; N Hogg
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Developmental dynamics : an official publication of the American Association of Anatomists     Volume:  240     ISSN:  1097-0177     ISO Abbreviation:  Dev. Dyn.     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-10-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9201927     Medline TA:  Dev Dyn     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2194-203     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Wiley-Liss, Inc.
Affiliation:
Leukocyte Adhesion Laboratory, Cancer Research UK London Research Institute, London, England.
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