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Dev Dyn. 2008 Nov;237(11):3280-94. doi: 10.1002/dvdy.21736.

Expression patterns of the lysophospholipid receptor genes during mouse early development.

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1
Department of Life Systems, Institute of Technology and Science, University of Tokushima, Tokushima, Japan. hohuchi@bio.tokushima-u.ac.jp

Abstract

Lysophospholipids (LPs) such as lysophosphatidic acid (LPA) and sphingosine-1-phosphate (S1P) are known to mediate various biological responses, including cell proliferation, migration, and differentiation. To better understand the role of these lipids in mammalian early development, we applied whole-mount in situ hybridization techniques to E8.5 to E12.5 mouse embryos. We determined the expression patterns of the following LP receptor genes, which belong to the G protein-coupled receptor (GPCR) family: EDG1 to EDG8 (S1P1 to S1P5 and LPA1 to LPA3), LPA4 (GPR23/P2Y9), and LPA5 (GPR92). We found that the S1P/LPA receptor genes exhibit overlapping expression patterns in a variety of organ primordia, including the developing brain and cardiovascular system, presomitic mesoderm and somites, branchial arches, and limb buds. These results suggest that multiple receptor systems for LPA/S1P lysophospholipids may be functioning during organogenesis.

PMID:
18924241
DOI:
10.1002/dvdy.21736
[Indexed for MEDLINE]
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