Vsx1 , a rapidly evolving paired -like homeobox gene expressed in cone bipolar cells
نویسندگان
چکیده
منابع مشابه
Vsx1, a rapidly evolving paired-like homeobox gene expressed in cone bipolar cells
The paired-like homeodomain (HD) protein Chx10 is distinguished by the presence of the CVC domain, a conserved 56 amino acid sequence C-terminal to the HD. In mammals, Chx10 is essential both for the proliferation of retinal progenitor cells and for the formation or survival of retinal bipolar interneurons. We describe the cloning and characterization of a mouse Chx10 homologue, Vsx1; phylogene...
متن کاملRegulation of Retinal Cone Bipolar Cell Differentiation and Photopic Vision by the CVC Homeobox Gene Vsx1
Cone bipolar cells of the vertebrate retina connect photoreceptors with ganglion cells to mediate photopic vision. Despite this important role, the mechanisms that regulate cone bipolar cell differentiation are poorly understood. VSX1 is a CVC domain homeoprotein specifically expressed in cone bipolar cells. To determine the function of VSX1, we generated Vsx1 mutant mice and found that Vsx1 mu...
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To identify novel homeobox genes expressed during mouse embryogenesis, we searched the databases and found a novel mouse paired-like homeobox gene, Dmbx1(diencephalon/mesencephalon-expressed brain homeobox gene 1), that is also conserved in zebrafish and human. Linkage analysis mapped mouse Dmbx1 to the mid-portion of chromosome 4 that is the homologous gene cluster region of human chromosome 1...
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The homeobrain (hbn) gene is a new paired-like homeobox gene which is expressed in the embryonic brain and the ventral nerve cord. Expression of homeobrain initiates during the blastoderm stage in the anterior dorsal head primordia and the gene is persistently expressed in these cells which form parts of the brain during later embryonic stages. An additional weaker expression pattern is detecte...
متن کاملControl of late off-center cone bipolar cell differentiation and visual signaling by the homeobox gene Vsx1.
Retinal bipolar cells are interneurons that transmit visual signals from photoreceptors to ganglion cells. Although the visual pathways mediated by bipolar cells have been well characterized, the genes that regulate their development and function are largely unknown. To determine the role in bipolar cell development of the homeobox gene Vsx1, whose retinal expression is restricted to a major su...
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ژورنال
عنوان ژورنال: Mechanisms of Development
سال: 2001
ISSN: 0925-4773
DOI: 10.1016/s0925-4773(01)00585-8