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  • 1
    Publication Date: 2012-12-20
    Description: The laboratory mouse is the premier animal model for studying human biology because all life stages can be accessed experimentally, a completely sequenced reference genome is publicly available and there exists a myriad of genomic tools for comparative and experimental research. In the current era of genome scale, data-driven biomedical research, the integration of genetic, genomic and biological data are essential for realizing the full potential of the mouse as an experimental model. The Mouse Genome Database (MGD; http://www.informatics.jax.org ), the community model organism database for the laboratory mouse, is designed to facilitate the use of the laboratory mouse as a model system for understanding human biology and disease. To achieve this goal, MGD integrates genetic and genomic data related to the functional and phenotypic characterization of mouse genes and alleles and serves as a comprehensive catalog for mouse models of human disease. Recent enhancements to MGD include the addition of human ortholog details to mouse Gene Detail pages, the inclusion of microRNA knockouts to MGD’s catalog of alleles and phenotypes, the addition of video clips to phenotype images, providing access to genotype and phenotype data associated with quantitative trait loci (QTL) and improvements to the layout and display of Gene Ontology annotations.
    Print ISSN: 0305-1048
    Electronic ISSN: 1362-4962
    Topics: Biology
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  • 2
    Publication Date: 2013-12-29
    Description: The Mouse Genome Database (MGD) ( http://www.informatics.jax.org ) is the community model organism database resource for the laboratory mouse, a premier animal model for the study of genetic and genomic systems relevant to human biology and disease. MGD maintains a comprehensive catalog of genes, functional RNAs and other genome features as well as heritable phenotypes and quantitative trait loci. The genome feature catalog is generated by the integration of computational and manual genome annotations generated by NCBI, Ensembl and Vega/HAVANA. MGD curates and maintains the comprehensive listing of functional annotations for mouse genes using the Gene Ontology, and MGD curates and integrates comprehensive phenotype annotations including associations of mouse models with human diseases. Recent improvements include integration of the latest mouse genome build (GRCm38), improved access to comparative and functional annotations for mouse genes with expanded representation of comparative vertebrate genomes and new loads of phenotype data from high-throughput phenotyping projects. All MGD resources are freely available to the research community.
    Print ISSN: 0305-1048
    Electronic ISSN: 1362-4962
    Topics: Biology
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  • 3
    Publication Date: 2016-01-07
    Description: The Mouse Genome Database (MGD; http://www.informatics.jax.org ) is the primary community model organism database for the laboratory mouse and serves as the source for key biological reference data related to mouse genes, gene functions, phenotypes and disease models with a strong emphasis on the relationship of these data to human biology and disease. As the cost of genome-scale sequencing continues to decrease and new technologies for genome editing become widely adopted, the laboratory mouse is more important than ever as a model system for understanding the biological significance of human genetic variation and for advancing the basic research needed to support the emergence of genome-guided precision medicine. Recent enhancements to MGD include new graphical summaries of biological annotations for mouse genes, support for mobile access to the database, tools to support the annotation and analysis of sets of genes, and expanded support for comparative biology through the expansion of homology data.
    Print ISSN: 0305-1048
    Electronic ISSN: 1362-4962
    Topics: Biology
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  • 4
    Publication Date: 2001-03-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nadeau, J H -- Balling, R -- Barsh, G -- Beier, D -- Brown, S D -- Bucan, M -- Camper, S -- Carlson, G -- Copeland, N -- Eppig, J -- Fletcher, C -- Frankel, W N -- Ganten, D -- Goldowitz, D -- Goodnow, C -- Guenet, J L -- Hicks, G -- Hrabe de Angelis, M -- Jackson, I -- Jacob, H J -- Jenkins, N -- Johnson, D -- Justice, M -- Kay, S -- Kingsley, D -- Lehrach, H -- Magnuson, T -- Meisler, M -- Poustka, A -- Rinchik, E M -- Rossant, J -- Russell, L B -- Schimenti, J -- Shiroishi, T -- Skarnes, W C -- Soriano, P -- Stanford, W -- Takahashi, J S -- Wurst, W -- Zimmer, A -- International Mouse Mutagenesis Consortium -- New York, N.Y. -- Science. 2001 Feb 16;291(5507):1251-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, BRB 624, Case Western Reserve University School of Medicine, 10900 Euclid Avenue, Cleveland, OH 44106, USA. jhn4@po.cwru.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11233449" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Mapping ; *Computational Biology ; Costs and Cost Analysis ; Genes/physiology ; Genetic Techniques ; *Genome ; *Genomics ; International Cooperation ; Mice/*genetics ; Mutagenesis ; Mutation ; Phenotype ; Private Sector ; Public Sector ; Research Support as Topic ; *Sequence Analysis, DNA
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2002-06-22
    Description: The production of functional female gametes is essential for the propagation of all vertebrate species. The growth of oocytes within ovarian follicles and their development to mature eggs have fascinated biologists for centuries, and scientists have long realized the importance of the ovarian follicle's somatic cells in nurturing oogenesis and delivering the oocyte to the oviduct by ovulation. Recent studies have revealed key roles of the oocyte in folliculogenesis and established that bidirectional communication between the oocyte and companion somatic cells is essential for development of an egg competent to undergo fertilization and embryogenesis. The challenge for the future is to identify the factors that participate in this communication and their mechanisms of action.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Matzuk, Martin M -- Burns, Kathleen H -- Viveiros, Maria M -- Eppig, John J -- CA60651/CA/NCI NIH HHS/ -- CA62392/CA/NCI NIH HHS/ -- EY07102/EY/NEI NIH HHS/ -- GM07330/GM/NIGMS NIH HHS/ -- HD07495/HD/NICHD NIH HHS/ -- HD23839/HD/NICHD NIH HHS/ -- HD32067/HD/NICHD NIH HHS/ -- HD33438/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2002 Jun 21;296(5576):2178-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA. mmatzuk@bcm.tmc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12077402" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Communication ; Embryonic and Fetal Development ; Female ; Granulosa Cells/physiology ; Oocytes/*physiology ; *Oogenesis ; Ovarian Follicle/*physiology ; Signal Transduction
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2012-03-24
    Description: Development of fertilization-competent oocytes depends on integrated processes controlling meiosis, cytoplasmic development, and maintenance of genomic integrity. We show that meiosis arrest female 1 (MARF1) is required for these processes in mammalian oocytes. Mutations of Marf1 cause female infertility characterized by up-regulation of a cohort of transcripts, increased retrotransposon expression, defective cytoplasmic maturation, and meiotic arrest. Up-regulation of protein phosphatase 2 catalytic subunit (PPP2CB) is key to the meiotic arrest phenotype. Moreover, Iap and Line1 retrotransposon messenger RNAs are also up-regulated, and, concomitantly, DNA double-strand breaks are elevated in mutant oocytes. Therefore MARF1, by suppressing levels of specific transcripts, is an essential regulator of important oogenic processes leading to female fertility and the development of healthy offspring.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3612990/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3612990/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Su, You-Qiang -- Sugiura, Koji -- Sun, Fengyun -- Pendola, Janice K -- Cox, Gregory A -- Handel, Mary Ann -- Schimenti, John C -- Eppig, John J -- CA34196/CA/NCI NIH HHS/ -- HD42137/HD/NICHD NIH HHS/ -- P01 HD042137/HD/NICHD NIH HHS/ -- P30 CA034196/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2012 Mar 23;335(6075):1496-9. doi: 10.1126/science.1214680.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Jackson Laboratory, Bar Harbor, ME 04609, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22442484" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cell Cycle Proteins/chemistry/genetics/*metabolism ; DNA Breaks, Double-Stranded ; Embryonic Development ; Female ; *Fertility ; Meiosis ; Mice ; Molecular Sequence Data ; Mutation ; Oocytes/*physiology ; *Oogenesis ; Phenotype ; Protein Phosphatase 2/genetics/metabolism ; Protein Structure, Tertiary ; RNA, Messenger/genetics/metabolism ; Retroelements ; Transcription, Genetic ; Transcriptome ; Up-Regulation
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2004-12-14
    Description: Mammalian oocytes are held in prophase arrest by an unknown signal from the surrounding somatic cells. Here we show that the orphan Gs-linked receptor GPR3, which is localized in the oocyte, maintains this arrest. Oocytes from Gpr3 knockout mice resume meiosis within antral follicles, independently of an increase in luteinizing hormone, and this phenotype can be reversed by injection of Gpr3 RNA into the oocytes. Thus, the GPR3 receptor is a link in communication between the somatic cells and oocyte of the ovarian follicle and is crucial for the regulation of meiosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mehlmann, Lisa M -- Saeki, Yoshinaga -- Tanaka, Shigeru -- Brennan, Thomas J -- Evsikov, Alexei V -- Pendola, Frank L -- Knowles, Barbara B -- Eppig, John J -- Jaffe, Laurinda A -- New York, N.Y. -- Science. 2004 Dec 10;306(5703):1947-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, University of Connecticut Health Center (UCHC), Farmington, CT 06032, USA. lmehlmann@neuron.uchc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15591206" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/metabolism ; Animals ; Chondroitin Sulfate Proteoglycans/genetics/metabolism ; Expressed Sequence Tags ; Female ; Granulosa Cells/physiology ; Heterotrimeric GTP-Binding Proteins/*metabolism ; In Situ Hybridization ; Lectins, C-Type ; Ligands ; Luteinizing Hormone/metabolism ; *Meiosis ; Metaphase ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Mitosis ; Oocytes/*physiology ; Ovarian Follicle/*physiology ; RNA/genetics/metabolism ; Receptors, G-Protein-Coupled/genetics/*physiology ; Versicans
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 2003-04-26
    Description: Upon fertilization, remodeling of condensed maternal and paternal gamete DNA occurs to form the diploid genome. In Xenopus laevis, nucleoplasmin 2 (NPM2) decondenses sperm DNA in vitro. To study chromatin remodeling in vivo, we isolated mammalian NPM2 orthologs. Mouse NPM2 accumulates in oocyte nuclei and persists in preimplantation embryos. Npm2 knockout females have fertility defects owing to failed preimplantation embryo development. Although sperm DNA decondensation proceeds without NPM2, abnormalities are evident in oocyte and early embryonic nuclei. These defects include an absence of coalesced nucleolar structures and loss of heterochromatin and deacetylated histone H3 that normally circumscribe nucleoli in oocytes and early embryos, respectively. Thus, Npm2 is a maternal effect gene critical for nuclear and nucleolar organization and embryonic development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Burns, Kathleen H -- Viveiros, Maria M -- Ren, Yongsheng -- Wang, Pei -- DeMayo, Francesco J -- Frail, Donald E -- Eppig, John J -- Matzuk, Martin M -- HD07495/HD/NICHD NIH HHS/ -- HD21970/HD/NICHD NIH HHS/ -- HD33438/HD/NICHD NIH HHS/ -- HD42500/HD/NICHD NIH HHS/ -- T32GM07330/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2003 Apr 25;300(5619):633-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12714744" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Amino Acid Sequence ; Animals ; Base Sequence ; Cell Nucleolus/*physiology/ultrastructure ; Cell Nucleus/metabolism ; Chorionic Gonadotropin/pharmacology ; Chromatin/physiology/ultrastructure ; Crosses, Genetic ; Cytoplasm/metabolism ; Embryo, Mammalian/*physiology ; *Embryonic and Fetal Development ; Female ; Fertilization ; Heterochromatin/*physiology/ultrastructure ; Histones/metabolism ; Humans ; Male ; Meiosis ; Mice ; Mice, Knockout ; Mitosis ; Molecular Sequence Data ; Nuclear Proteins/chemistry/genetics/*physiology ; Nucleoplasmins ; Oocytes/*physiology ; Oogenesis ; Protein Biosynthesis ; Rats ; Spindle Apparatus/physiology/ultrastructure ; Transcription, Genetic ; Zygote/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2018-06-06
    Description: MTOR (mechanistic target of rapamycin) is a widely recognized integrator of signals and pathways key for cellular metabolism, proliferation, and differentiation. Here we show that conditional knockout (cKO) of Mtor in either primordial or growing oocytes caused infertility but differentially affected oocyte quality, granulosa cell fate, and follicular development. cKO...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 10
    Publication Date: 2010-10-16
    Description: Granulosa cells of mammalian Graafian follicles maintain oocytes in meiotic arrest, which prevents their precocious maturation. We show that mouse mural granulosa cells, which line the follicle wall, express natriuretic peptide precursor type C (Nppc) messenger RNA (mRNA), whereas cumulus cells surrounding oocytes express mRNA of the NPPC receptor NPR2, a guanylyl cyclase. NPPC increased cGMP levels in cumulus cells and oocytes and inhibited meiotic resumption in vitro. Meiotic arrest was not sustained in most Graafian follicles of Nppc or Npr2 mutant mice, and meiosis resumed precociously. Oocyte-derived paracrine factors promoted cumulus cell expression of Npr2 mRNA. Therefore, the granulosa cell ligand NPPC and its receptor NPR2 in cumulus cells prevent precocious meiotic maturation, which is critical for maturation and ovulation synchrony and for normal female fertility.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3056542/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3056542/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Meijia -- Su, You-Qiang -- Sugiura, Koji -- Xia, Guoliang -- Eppig, John J -- HD21970/HD/NICHD NIH HHS/ -- HD23839/HD/NICHD NIH HHS/ -- R01 HD023839/HD/NICHD NIH HHS/ -- R01 HD023839-22/HD/NICHD NIH HHS/ -- R37 HD021970/HD/NICHD NIH HHS/ -- R37 HD021970-25/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2010 Oct 15;330(6002):366-9. doi: 10.1126/science.1193573.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory for Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, People's Republic of China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20947764" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cumulus Cells/*metabolism ; Cyclic AMP/metabolism ; Cyclic GMP/metabolism ; Female ; Granulosa Cells/*metabolism ; Intercellular Signaling Peptides and Proteins/metabolism ; Ligands ; *Meiosis ; Mice ; Models, Biological ; Mutation ; Natriuretic Peptide, C-Type/genetics/*metabolism ; Oocytes/*physiology ; Ovarian Follicle/cytology ; Protein Precursors/genetics/*metabolism ; RNA, Messenger/genetics/metabolism ; Receptors, Atrial Natriuretic Factor/genetics/*metabolism ; Signal Transduction
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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