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Mol Cell Neurosci. 2003 Jan;22(1):62-74.

Genomic organization and embryonic expression of Igsf8, an immunoglobulin superfamily member implicated in development of the nervous system and organ epithelia.

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1
Neural Development Unit, Institute of Child Health, University College London, 30 Guilford Street, London WC1N 1EH, UK. j.murdoch@har.mrc.ac.uk

Abstract

Igsf8 is an immunoglobulin protein that binds to the tetraspanin molecules, CD81 and CD9. We describe the genomic organization of mouse and human Igsf8, and reveal a dynamic expression pattern during embryonic and fetal development. Igsf8 is first expressed at E9.5 in a ventral domain of the neural tube, with dorsal expression apparent at E10.5. We show that the ventral, but not the dorsal, domain of neural tube expression is dependent on Shh signaling. From E11.5, Igsf8 is expressed at the lateral edge of the ventricular zone, in early postmitotic neuroblasts, and in dorsal root and cranial ganglia. Igsf8 is also expressed in the branchial arches, dorsal pancreatic primordium, neural retina, olfactory epithelium, gut, kidney, and lung.

PMID:
12595239
[Indexed for MEDLINE]
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