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  • 1
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    Mouse embryonic stem cells and reporter constructs to detect developmentally regulated genes (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-28
    Description: A strategy was devised for identifying regions of the mouse genome that are transcriptionally active in a temporally and spatially restricted manner during development. The approach is based on the introduction into embryonic stem cells of two types of lacZ reporter constructs that can be activated by flanking mouse genomic sequences. Embryonic stem cells containing the lacZ constructs were used to produce chimaeric mice. Developmental regulation of lacZ expression occurred at a high frequency. Molecular cloning of the flanking endogenous genes and introduction of these potential insertional mutations into the mouse germ line should provide an efficient means of identifying and mutating novel genes important for the control of mammalian development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gossler, A -- Joyner, A L -- Rossant, J -- Skarnes, W C -- New York, N.Y. -- Science. 1989 Apr 28;244(4903):463-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mount Sinai Hospital Research Institute, Division of Molecular and Developmental Biology, Toronto, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2497519" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Chimera ; Cloning, Molecular ; Embryo, Mammalian/*metabolism ; Galactosidases/*genetics ; *Gene Expression Regulation ; Genetic Vectors ; Germ Cells ; Heat-Shock Proteins/genetics ; Male ; Mice ; Promoter Regions, Genetic ; Stem Cells/*metabolism ; Transfection ; Transformation, Genetic ; beta-Galactosidase/*genetics
    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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    Retrospective. Anne McLaren (1927-2007) (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-08-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rossant, Janet -- Hogan, Brigid -- New York, N.Y. -- Science. 2007 Aug 3;317(5838):609.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada. M5G 1X8. janet.rossant@sickkids.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17673646" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Developmental Biology/*history ; Embryo Research/ethics/history ; Embryology/history ; Great Britain ; History, 20th Century ; History, 21st Century ; Humans ; Reproductive Techniques, Assisted/ethics/*history
    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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  • 3
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    Retinoid signaling determines germ cell fate in mice (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-04-01
    Description: Germ cells in the mouse embryo can develop as oocytes or spermatogonia, depending on molecular cues that have not been identified. We found that retinoic acid, produced by mesonephroi of both sexes, causes germ cells in the ovary to enter meiosis and initiate oogenesis. Meiosis is retarded in the fetal testis by the action of the retinoid-degrading enzyme CYP26B1, ultimately leading to spermatogenesis. In testes of Cyp26b1-knockout mouse embryos, germ cells enter meiosis precociously, as if in a normal ovary. Thus, precise regulation of retinoid levels during fetal gonad development provides the molecular control mechanism that specifies germ cell fate.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bowles, Josephine -- Knight, Deon -- Smith, Christopher -- Wilhelm, Dagmar -- Richman, Joy -- Mamiya, Satoru -- Yashiro, Kenta -- Chawengsaksophak, Kallayanee -- Wilson, Megan J -- Rossant, Janet -- Hamada, Hiroshi -- Koopman, Peter -- New York, N.Y. -- Science. 2006 Apr 28;312(5773):596-600. Epub 2006 Mar 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Genetics and Developmental Biology, Institute for Molecular Bioscience, University of Queensland, Brisbane, QLD 4072, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16574820" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cytochrome P-450 Enzyme System/genetics/*metabolism ; Female ; Gene Expression Regulation, Developmental ; Genes, Reporter ; Germ Cells/*physiology ; In Situ Hybridization ; Lac Operon ; Male ; *Meiosis ; Mesonephros/metabolism ; Mice ; Mice, Knockout ; Naphthalenes/pharmacology ; *Oogenesis ; Ovary/embryology/metabolism ; Receptors, Retinoic Acid/antagonists & inhibitors ; Sertoli Cells/enzymology ; Sex Characteristics ; *Signal Transduction ; *Spermatogenesis ; Testis/embryology/metabolism ; Tissue Culture Techniques ; Tretinoin/*metabolism/pharmacology
    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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  • 4
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    Ethics. The ISSCR guidelines for human embryonic stem cell research (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-02-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Daley, George Q -- Ahrlund Richter, Lars -- Auerbach, Jonathan M -- Benvenisty, Nissim -- Charo, R Alta -- Chen, Grace -- Deng, Hong-Kui -- Goldstein, Lawrence S -- Hudson, Kathy L -- Hyun, Insoo -- Junn, Sung Chull -- Love, Jane -- Lee, Eng Hin -- McLaren, Anne -- Mummery, Christine L -- Nakatsuji, Norio -- Racowsky, Catherine -- Rooke, Heather -- Rossant, Janet -- Scholer, Hans R -- Solbakk, Jan Helge -- Taylor, Patrick -- Trounson, Alan O -- Weissman, Irving L -- Wilmut, Ian -- Yu, John -- Zoloth, Laurie -- New York, N.Y. -- Science. 2007 Feb 2;315(5812):603-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Children's Hospital, Boston, Massachusetts, USA. george.daley@childrens.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17272706" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Chimera ; *Embryo Research/ethics/legislation & jurisprudence ; Embryonic Development ; *Embryonic Stem Cells ; *Guidelines as Topic ; Humans ; Informed Consent ; International Cooperation ; Oocyte Donation/economics/ethics ; Pluripotent Stem Cells ; Societies, Scientific ; Tissue Donors/ethics
    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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  • 5
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    Genetic ablation: targeted expression of a toxin gene causes microphthalmia in transgenic mice (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-12-11
    Description: Lineage-specific regulatory elements can be used to direct expression of a variety of genes to specific tissues in transgenic mice. If the hybrid constructs contain a gene encoding a cytotoxic gene product, then genetic ablation of a specific cell lineage can be achieved. We have generated six transgenic mice by introducing into fertilized eggs the mouse gamma 2-crystallin promoter fused to the coding region of the diphtheria toxin A-chain gene. Three of these mice and all the transgenic offspring analyzed were microphthalmic. The lenses of these mice displayed considerable heterogeneity: some were almost normal morphologically but reduced in size, whereas others were grossly aberrant and deficient in nuclear fiber cells. These studies indicate that programmed ablation of specific cell types can be stably transmitted through the germ line.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Breitman, M L -- Clapoff, S -- Rossant, J -- Tsui, L C -- Glode, L M -- Maxwell, I H -- Bernstein, A -- CA 42354/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1987 Dec 11;238(4833):1563-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mount Sinai Hospital Research Institute, Toronto, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3685993" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Crystallins/*genetics ; Diphtheria Toxin/*genetics ; Eye/pathology ; *Genes ; Mice ; Mice, Transgenic ; Microphthalmos/*genetics/pathology ; Promoter Regions, Genetic
    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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  • 6
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    In situ detection of beta-galactosidase in lenses of transgenic mice with a gamma-crystallin/lacZ gene (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-01-23
    Description: Transgenic mice carrying the gamma 2-crystallin promoter fused to the coding region of the bacterial lacZ gene were generated. The offspring of three founder mice expressed high levels of the enzyme solely in the central nuclear fiber cells of the lens as measured by an in situ assay for the detection of beta-galactosidase activity. These results suggest that gamma 2-crystallin sequences between -759 to +45 contain essential information required for appropriate tissue-specific and temporal regulation of the mouse gamma 2-crystallin gene. In a broader context, this study also demonstrates the utility of beta-galactosidase hybrid gene constructs for monitoring the activity of gene regulatory elements in transgenic mice.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goring, D R -- Rossant, J -- Clapoff, S -- Breitman, M L -- Tsui, L C -- New York, N.Y. -- Science. 1987 Jan 23;235(4787):456-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3099390" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cataract/enzymology ; Crystallins/*genetics ; Galactosidases/*genetics ; Gene Expression Regulation ; *Lac Operon ; Lens, Crystalline/*physiology ; Mice ; Promoter Regions, Genetic ; Recombinant Fusion Proteins/*genetics ; Recombinant Proteins/*genetics ; Tissue Distribution ; Transfection ; beta-Galactosidase/*genetics/metabolism
    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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  • 7
    Electronic Resource
    Electronic Resource
    Haploid mouse blastocysts developed from bisected zygotes (1976)
    [s.l.] : Nature Publishing Group
    Nature 259 (1976), S. 663-665 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Haploid blastocysts can now be routinely obtained after parthenogenetic activation of unfertilised eggs (for review, see refs 1-3). When transferred to ectopic sites such embryos give rise in a small proportion of cases to 'growths' composed of many types of differentiated tissues, some of which ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/259663a0
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    A transgene containing lacZ inserted into the dystonia locus is expressed in neural tube (1988)
    [s.l.] : Nature Publishing Group
    Nature 335 (1988), S. 435-437 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have generated seven lines of transgenic mice carrying a mouse hsp68 promoter-Escherichia coli lacZ hybrid gene for studies of heat-shock gene regulation. In six of these lines the lacZ gene was silent unless tissues were subjected to heat shock or arsenite treatment (R.K., S.C., M. Perry, L.A. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/335435a0
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  • 9
    Electronic Resource
    Electronic Resource
    Clonal origin of haematopoietic colonies in the postnatal mouse liver (1986)
    [s.l.] : Nature Publishing Group
    Nature 319 (1986), S. 507-511 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Mouse chimaeras can be very useful for addressing problems of clonal development because they consist of a mixture of cells of two different genotypes, brought together by embryo aggregation or blastocyst injection at early stages of embryo development4. If a given structure in a chimaera is ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/319507a0
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  • 10
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    Cardiac and neurological abnormalities in v-fps transgenic mice. (1989)
    National Academy of Sciences
    Details
    Publication Date: 1989-08-01
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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