| The expression of the mouse Zic1, Zic2, and Zic3 gene suggests an essential role for Zic genes in body pattern formation. | |
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MedLine Citation:
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PMID: 9070329 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We examined the expression of Zic1, Zic2, and Zic3 genes in the mouse embryo by means of in situ hybridization. Zic genes were found as a group of genes coding for zinc finger proteins that are expressed in a restricted manner in the adult mouse cerebellum. We showed that the genes are the vertebrate homologues of Drosophila odd-paired, which may play an essential role in parasegmental subdivision and in visceral mesoderm development. The expression of the three Zic genes was first detected at gastrulation in a spatially restricted manner. At neurulation, the expression became restricted to the dorsal neural ectoderm and dorsal paraxial mesoderm. During organogenesis, the three genes were expressed in specific regions of several developing organs, including dorsal areas of the brain, spinal cord, paraxial mesenchyme, and epidermis, the marginal zone of the neural retina and distal regions of the developing limb. For all stages, significant differences in the spatial expression of Zic1, Zic2, and Zic3 were observed. Furthermore, the expression of Zic genes in Pax3, Wnt-1, and Wnt-3a mutant embryos suggested that Zic genes are not primarily regulated by the three genes which were expressed in dorsal areas similar to Zic genes. However, in open brain, a mutant with severe neural tube defects, and in the Wnt-3a mutant mice, the expression of Zic genes was changed. The changed expression pattern in Wnt-3a mutant mice suggests that Zic genes in the neural tube are regulated by the factors from notochord. Our findings suggest that Zic genes are involved in many developmental processes. Furthermore, analysis of gene expression patterns in different mouse mutants indicated that Zic genes may act upstream of many known developmental regulatory genes. |
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Authors:
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T Nagai; J Aruga; S Takada; T Günther; R Spörle; K Schughart; K Mikoshiba |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Developmental biology Volume: 182 ISSN: 0012-1606 ISO Abbreviation: Dev. Biol. Publication Date: 1997 Feb |
Date Detail:
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Created Date: 1997-04-07 Completed Date: 1997-04-07 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0372762 Medline TA: Dev Biol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 299-313 Citation Subset: IM |
Affiliation:
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Molecular Neurobiology Laboratory, Tsukuba Life Science Center, Institute of Physical and Chemical Research (RIKEN), Ibaraki, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Body Patterning / genetics* DNA-Binding Proteins / genetics Drosophila / embryology, genetics Drosophila Proteins* Embryonic and Fetal Development / genetics Extremities / embryology Eye / embryology Gastrula Gene Expression Gene Expression Regulation, Developmental* Homeodomain Proteins / genetics In Situ Hybridization Mice Neural Tube Defects / genetics Paired Box Transcription Factors Proteins / genetics Proto-Oncogene Proteins / genetics Transcription Factors / genetics Wnt Proteins Wnt1 Protein Zebrafish Proteins* Zinc Fingers / genetics*, physiology |
| Chemical | |
Reg. No./Substance:
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0/DNA-Binding Proteins; 0/Drosophila Proteins; 0/Homeodomain Proteins; 0/Opa protein, Drosophila; 0/Paired Box Transcription Factors; 0/Proteins; 0/Proto-Oncogene Proteins; 0/Transcription Factors; 0/Wnt Proteins; 0/Wnt-3 protein; 0/Wnt1 Protein; 0/Wnt1 protein, mouse; 0/Zebrafish Proteins; 0/pax3 protein, zebrafish; 138016-91-8/Pax3 protein, mouse |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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