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  • 1
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    Metastatic hibernomas in transgenic mice expressing an alpha-amylase-SV40 T antigen hybrid gene (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-28
    Description: Mice transgenic for a hybrid gene containing the liver promoter of the mouse amylase gene (Amy-1a) fused to the SV40 tumor antigen coding region unexpected developed malignant brown adipose tissue tumors (malignant hibernomas). Expression of the alpha-amylase gene had previously been thought to be confined to the liver parotid, and pancreas; however, analysis of white and brown adipose tissue from nontransgenic mice revealed expression of the endogenous Amy-1a gene in these tissues. Gene constructs driven by the Amy-1a liver promoter thus provide a means of targeting gene expression to the adipocyte cell lineage in transgenic mice. Moreover the high frequency of metastases in the liver, lungs, spleen, heart, and adrenals of these mice provides an experimental system in which to study the development of disseminated malignancy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fox, N -- Crooke, R -- Hwang, L H -- Schibler, U -- Knowles, B B -- Solter, D -- CA-10815/CA/NCI NIH HHS/ -- CA-18470/CA/NCI NIH HHS/ -- CA-21124/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Apr 28;244(4903):460-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wistar Institute, Philadelphia, PA 19104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2785714" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/metabolism/pathology ; *Adipose Tissue, Brown/metabolism/pathology ; Animals ; Antigens, Polyomavirus Transforming/*genetics ; Cloning, Molecular ; Gene Expression Regulation ; Liver/metabolism ; Mice ; Mice, Transgenic ; Neoplasm Metastasis ; Neoplasms, Experimental/*genetics/pathology ; Nucleic Acid Hybridization ; Promoter Regions, Genetic ; RNA, Messenger/metabolism ; Tissue Distribution ; Transcription, Genetic ; alpha-Amylases/*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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    Trim28 is required for epigenetic stability during mouse oocyte to embryo transition (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-03-24
    Description: Phenotypic variability in genetic disease is usually attributed to genetic background variation or environmental influence. Here, we show that deletion of a single gene, Trim28 (Kap1 or Tif1beta), from the maternal germ line alone, on an otherwise identical genetic background, results in severe phenotypic and epigenetic variability that leads to embryonic lethality. We identify early and minute epigenetic variations in blastomeres of the preimplantation embryo of these animals, suggesting that the embryonic lethality may result from the misregulation of genomic imprinting in mice lacking maternal Trim28. Our results reveal the long-range effects of a maternal gene deletion on epigenetic memory and illustrate the delicate equilibrium of maternal and zygotic factors during nuclear reprogramming.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Messerschmidt, Daniel M -- de Vries, Wilhelmine -- Ito, Mitsuteru -- Solter, Davor -- Ferguson-Smith, Anne -- Knowles, Barbara B -- 079249/Wellcome Trust/United Kingdom -- 095606/Wellcome Trust/United Kingdom -- MR/J001597/1/Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2012 Mar 23;335(6075):1499-502. doi: 10.1126/science.1216154.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mammalian Development Group, Institute of Medical Biology, Singapore.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22442485" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastocyst/physiology ; DNA Methylation ; Down-Regulation ; *Embryo Loss ; Embryo, Mammalian/*physiology ; Embryonic Development ; *Epigenesis, Genetic ; Female ; Gene Expression Regulation, Developmental ; *Genomic Imprinting ; Insulin-Like Growth Factor II/genetics/metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Nuclear Proteins/*genetics/*physiology ; Oligonucleotide Array Sequence Analysis ; Oocytes/*physiology ; Phenotype ; RNA, Long Noncoding ; RNA, Untranslated/genetics/metabolism ; Repressor Proteins/*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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  • 3
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    The Gs-linked receptor GPR3 maintains meiotic arrest in mammalian oocytes (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    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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  • 4
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    Single-cell DNA-methylation analysis reveals epigenetic chimerism in preimplantation embryos (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-09-07
    Description: Epigenetic alterations are increasingly recognized as causes of human cancers and disease. These aberrations are likely to arise during genomic reprogramming in mammalian preimplantation embryos, when their epigenomes are most vulnerable. However, this process is only partially understood because of the experimental inaccessibility of early-stage embryos. Here, we introduce a methodologic advance, probing single cells for various DNA-methylation errors at multiple loci, to reveal failed maintenance of epigenetic mark results in chimeric mice, which display unpredictable phenotypes leading to developmental arrest. Yet we show that mouse pronuclear transfer can be used to ameliorate such reprogramming defects. This study not only details the epigenetic reprogramming dynamics in early mammalian embryos but also suggests diagnostic and potential future therapeutic applications.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lorthongpanich, Chanchao -- Cheow, Lih Feng -- Balu, Sathish -- Quake, Stephen R -- Knowles, Barbara B -- Burkholder, William F -- Solter, Davor -- Messerschmidt, Daniel M -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Sep 6;341(6150):1110-2. doi: 10.1126/science.1240617.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mammalian Development Group, Institute of Medical Biology, A*STAR, Singapore.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24009393" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastocyst/*metabolism ; Cellular Reprogramming/*genetics ; *Chimerism ; *DNA Methylation ; *Epigenesis, Genetic ; Gene Deletion ; *Gene Expression Regulation, Developmental ; Genetic Loci ; Humans ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; Nuclear Proteins/genetics ; Repressor Proteins/genetics ; Single-Cell Analysis
    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
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    Biosynthesis and processing of a human precursor complement protein, pro-C3, in a hepatoma-derived cell line (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-01-22
    Description: A 180,000-dalton single-chain molecule (human pro-C3) is the precursor of the third component of human complement (C3), a disulfide-linked two-chain protein. The pro-C3 is converted by limited proteolysis to C3. The relationship between pro-C3 and C3 was established with the use of Hep G2, a cell line derived from a human hepatocellular carcinoma, which synthesizes at least 17 plasma proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morris, K M -- Goldberger, G -- Colten, H R -- Aden, D P -- Knowles, B B -- AM 16392/AM/NIADDK NIH HHS/ -- CA 18470/CA/NCI NIH HHS/ -- CA 25875/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1982 Jan 22;215(4531):399-400.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7199205" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Complement C3/*biosynthesis ; Humans ; Liver Neoplasms, Experimental/*metabolism ; Macromolecular Substances ; Molecular Weight ; Protein Precursors/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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  • 6
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    Human hepatocellular carcinoma cell lines secrete the major plasma proteins and hepatitis B surface antigen (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-07-25
    Description: Analysis of the cell culture fluid from two new human hepatoma-derived cell lines reveals that 17 of the major human plasma proteins are synthesized and secreted by these cells. One of these cell lines, Hep 3B, also produces the two major polypeptides of the hepatitis B virus surface antigen. When Hep 3B in injected into athymic mice, metastatic hepatocellular carcinomas appear. These cell lines provide experimental models for investigation of plasma protein biosynthesis and the relation of the hepatitis B viru genome to tumorigenicity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Knowles, B B -- Howe, C C -- Aden, D P -- New York, N.Y. -- Science. 1980 Jul 25;209(4455):497-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6248960" target="_blank"〉PubMed〈/a〉
    Keywords: Blood Proteins/*secretion ; Carcinoma, Hepatocellular/immunology/*secretion ; Cell Line ; Electrophoresis, Polyacrylamide Gel ; Hepatitis B Surface Antigens/*analysis ; Humans ; Immunodiffusion ; Liver Neoplasms/immunology/*secretion
    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
    Characterization of the major apolipoproteins secreted by two human hepatoma cell lines (1981)
    s.l. : American Chemical Society
    Biochemistry 20 (1981), S. 7089-7096 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00528a006
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  • 8
    Electronic Resource
    Electronic Resource
    The mouse cornichon gene family (1999)
    Springer
    Development genes and evolution 209 (1999), S. 120-125 
    Details
    ISSN: 1432-041X
    Keywords: Key words Mouse chromosome 10 and 14 ; Maternal transcript ; Mouse Expressed Sequence Tag (EST)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  As part of a large scale mouse Expressed Sequence Tag (EST) project to identify molecules involved in the initiation of mammalian development, a homolog of the Drosophila cornichon gene was detected as a mouse maternal transcript present in the two-cell embryo. Cornichon is a multigene family in the mouse: the new gene, Cnih, maps to mouse chromosome 10, another cornichon homolog, Cnil, maps to chromosome 14 and two additional cornichon-related loci, possibly pseudogenes, localize to chromosomes 3 and 10, respectively. Cnih encodes an open reading frame (ORF) of 144 amino acids that is 93% homologous (68% identical) to the Drosophila protein, whereas the ORF of Cnil contains two extra polypeptide regions not found in these other proteins. Transcripts of Cnih are highly abundant in the full grown oocyte and the ovulated unfertilized egg, while Cnil message is only detectable after activation of the embryonic genome at the eight-cell stage. In situ hybridization shows specific localization of Cnih transcripts to ovarian oocytes. The lack of cytoplasmic polyadenylation of the maternally inherited Cnih transcript suggests that Cnih mRNA is translated in the full grown oocyte before, but not after, ovulation. In Drosophila, cornichon is involved in the establishment of both anterior-posterior and dorso-ventral polarity via the epidermal growth factor (EGF)-receptor signaling pathway. Finding Cnih in the mammalian oocyte opens a new perspective on the investigation of EGF-signaling in the oocyte.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004270050234
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  • 9
    Electronic Resource
    Electronic Resource
    Partial characterization of cell-surface protein coded for by human chromosome 7 (1978)
    Springer
    Immunogenetics 6 (1978), S. 293-300 
    Details
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract An antigen reactive with antisera to a human chromosome 7-coded cell-surface antigen can be extracted from human cells with the nonionic detergent NP-40. Immune complexes of radiolabeled cell extracts analyzed on SDS polyacrylamide gels showed a single protein with an apparent M.W. of approximately 165,000. This protein was immunoprecipitated from extracts of hybrid cells containing chromosome 7 and human cell extracts, but not from mouse cell extracts or from extracts of a hybrid clone without human chromosome 7. The data presented here indicate that the protein identified on the gels is a cell-surface glycoprotein coded for by human chromosome 7.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01563921
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  • 10
    Electronic Resource
    Electronic Resource
    Stage-specific embryonic antigen involves α l→ 3 fucosylated type 2 blood group chains (1981)
    [s.l.] : Nature Publishing Group
    Nature 292 (1981), S. 156-158 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A relationship between the stage-specific embryonic antigen, SSEA-1, and blood group I antigen was suggested by: (1) some similarities in the distribution of these two antigens in early post-implantation embryos and teratocarcinomas5'11, and (2) the reactivities of anti-I and -SSEA-1 reagents with ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/292156a0
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