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  • 1
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    Regulation of chamber-specific gene expression in the developing heart by Irx4 (1999)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1999-02-19
    Description: The vertebrate heart consists of two types of chambers, the atria and the ventricles, which differ in their contractile and electrophysiological properties. Little is known of the molecular mechanisms by which these chambers are specified during embryogenesis. Here a chicken iroquois-related homeobox gene, Irx4, was identified that has a ventricle-restricted expression pattern at all stages of heart development. Irx4 protein was shown to regulate the chamber-specific expression of myosin isoforms by activating the expression of the ventricle myosin heavy chain-1 (VMHC1) and suppressing the expression of the atrial myosin heavy chain-1 (AMHC1) in the ventricles. Thus, Irx4 may play a critical role in establishing chamber-specific gene expression in the developing heart.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bao, Z Z -- Bruneau, B G -- Seidman, J G -- Seidman, C E -- Cepko, C L -- New York, N.Y. -- Science. 1999 Feb 19;283(5405):1161-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Genetics, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10024241" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; *Atrial Myosins ; *Avian Proteins ; Chick Embryo ; *Gene Expression Regulation, Developmental ; Heart Atria/*embryology/metabolism/virology ; Heart Ventricles/*embryology/metabolism/virology ; Homeodomain Proteins/chemistry/genetics/*physiology ; In Situ Hybridization ; Molecular Sequence Data ; Muscle Proteins/*genetics ; Myosin Heavy Chains/genetics ; Myosins/*genetics ; Phenotype ; Recombinant Fusion Proteins ; Retroviridae/genetics/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Digital development: a database of cell lineage differentiation in C. elegans with lineage phenotypes, cell-specific gene functions and a multiscale model (2016)
    Oxford University Press
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    Publication Date: 2016-01-07
    Description: Developmental systems biology is poised to exploit large-scale data from two approaches: genomics and live imaging. The combination of the two offers the opportunity to map gene functions and gene networks in vivo at single-cell resolution using cell tracking and quantification of cellular phenotypes. Here we present Digital Development ( http://www.digital-development.org ), a database of cell lineage differentiation with curated phenotypes, cell-specific gene functions and a multiscale model. The database stores data from recent systematic studies of cell lineage differentiation in the C. elegans embryo containing ~200 conserved genes, 1400 perturbed cell lineages and 600 000 digitized single cells. Users can conveniently browse, search and download four categories of phenotypic and functional information from an intuitive web interface. This information includes lineage differentiation phenotypes, cell-specific gene functions, differentiation landscapes and fate choices, and a multiscale model of lineage differentiation. Digital Development provides a comprehensive, curated, multidimensional database for developmental biology. The scale, resolution and richness of biological information presented here facilitate exploration of gene-specific and systems-level mechanisms of lineage differentiation in Metazoans.
    Print ISSN: 0305-1048
    Electronic ISSN: 1362-4962
    Topics: Biology
    Published by Oxford University Press
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