Punc, a novel mouse gene of the immunoglobulin superfamily, is expressed predominantly in the developing nervous system

被引:23
作者
Salbaum, JM [1 ]
机构
[1] Neurosci Inst, San Diego, CA 92121 USA
关键词
axon guidance; cell adhesion molecule; cell differentiation; cell proliferation; cell surface; development; differential display; downregulation; embryo; gene expression; homeodomain; immunoglobulin superfamily; islet-1; limb bud; mesoderm; midbrain; motorneuron; mouse; neural plate; neuroepithelium; transcription factor; transgenic mice;
D O I
10.1016/S0925-4773(98)00005-7
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
A search for genes regulated by the LlM/homeodomain transcription factor islet-l during development identified the novel mouse gene punc (putative neuronal cell adhesion molecule). Punc is a member of the immunoglobulin superfamily. exhibits a novel configuration of four immunoglobulin domains and two fibronectin-type III repeats, and resembles proteins involved in axon guidance. Punc expression in the embryo occurs in restricted patterns in both the nervous system and limb mesoderm. A sharp decrease in punc expression after embryonic day 11.5 suggests a function for punc early in mouse embryogenesis. (C) 1998 Elsevier Science Ireland Ltd.
引用
收藏
页码:201 / 204
页数:4
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