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  • Mice  (6)
  • 2010-2014
  • 2000-2004  (6)
  • 1970-1974
  • 2003  (6)
  • 1
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    Mutations in dynein link motor neuron degeneration to defects in retrograde transport (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-05-06
    Description: Degenerative disorders of motor neurons include a range of progressive fatal diseases such as amyotrophic lateral sclerosis (ALS), spinal-bulbar muscular atrophy (SBMA), and spinal muscular atrophy (SMA). Although the causative genetic alterations are known for some cases, the molecular basis of many SMA and SBMA-like syndromes and most ALS cases is unknown. Here we show that missense point mutations in the cytoplasmic dynein heavy chain result in progressive motor neuron degeneration in heterozygous mice, and in homozygotes this is accompanied by the formation of Lewy-like inclusion bodies, thus resembling key features of human pathology. These mutations exclusively perturb neuron-specific functions of dynein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hafezparast, Majid -- Klocke, Rainer -- Ruhrberg, Christiana -- Marquardt, Andreas -- Ahmad-Annuar, Azlina -- Bowen, Samantha -- Lalli, Giovanna -- Witherden, Abi S -- Hummerich, Holger -- Nicholson, Sharon -- Morgan, P Jeffrey -- Oozageer, Ravi -- Priestley, John V -- Averill, Sharon -- King, Von R -- Ball, Simon -- Peters, Jo -- Toda, Takashi -- Yamamoto, Ayumu -- Hiraoka, Yasushi -- Augustin, Martin -- Korthaus, Dirk -- Wattler, Sigrid -- Wabnitz, Philipp -- Dickneite, Carmen -- Lampel, Stefan -- Boehme, Florian -- Peraus, Gisela -- Popp, Andreas -- Rudelius, Martina -- Schlegel, Juergen -- Fuchs, Helmut -- Hrabe de Angelis, Martin -- Schiavo, Giampietro -- Shima, David T -- Russ, Andreas P -- Stumm, Gabriele -- Martin, Joanne E -- Fisher, Elizabeth M C -- New York, N.Y. -- Science. 2003 May 2;300(5620):808-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurodegenerative Disease, Institute of Neurology, National Hospital for Neurology and Neurosurgery, Queen Square, London WC1N 3BG, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12730604" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anterior Horn Cells/pathology ; Apoptosis ; *Axonal Transport ; Cell Differentiation ; Cell Movement ; Central Nervous System/embryology ; Chromosome Mapping ; Dimerization ; Dyneins/chemistry/*genetics/*physiology ; Female ; Ganglia, Spinal/pathology ; Golgi Apparatus/metabolism/ultrastructure ; Heterozygote ; Homozygote ; Lewy Bodies/pathology ; Male ; Mice ; Mice, Inbred C3H ; Mice, Inbred C57BL ; Motor Neuron Disease/*genetics/pathology/physiopathology ; Motor Neurons/*physiology/ultrastructure ; Mutation ; Mutation, Missense ; *Nerve Degeneration ; Peptide Fragments/metabolism ; Phenotype ; Point Mutation ; Spinal Nerves/growth & development ; Tetanus Toxin/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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  • 2
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    Requirement of Cks2 for the first metaphase/anaphase transition of mammalian meiosis (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-04-26
    Description: We generated mice lacking Cks2, one of two mammalian homologs of the yeast Cdk1-binding proteins, Suc1 and Cks1, and found them to be viable but sterile in both sexes. Sterility is due to failure of both male and female germ cells to progress past the first meiotic metaphase. The chromosomal events up through the end of prophase I are normal in both CKS2-/- males and females, suggesting that the phenotype is due directly to failure to enter anaphase and not a consequence of a checkpoint-mediated metaphase I arrest.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Spruck, Charles H -- de Miguel, Maria P -- Smith, Adrian P L -- Ryan, Aimee -- Stein, Paula -- Schultz, Richard M -- Lincoln, A Jeannine -- Donovan, Peter J -- Reed, Steven I -- CA74224/CA/NCI NIH HHS/ -- HD22681/HD/NICHD NIH HHS/ -- HD38252/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2003 Apr 25;300(5619):647-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, MB-7, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12714746" target="_blank"〉PubMed〈/a〉
    Keywords: *Anaphase ; Animals ; Apoptosis ; *CDC2-CDC28 Kinases ; CDC28 Protein Kinase, S cerevisiae/genetics/*physiology ; Chromosome Segregation ; Cyclin A/metabolism ; Cyclin B/metabolism ; Epididymis/cytology/physiology ; Female ; Gene Targeting ; In Situ Hybridization ; Infertility, Female/physiopathology ; Infertility, Male/physiopathology ; Male ; *Meiosis ; *Metaphase ; Mice ; Mutation ; Oocytes/*physiology ; Ovary/cytology/physiology ; RNA, Messenger/genetics/metabolism ; Recombination, Genetic ; Spermatocytes/*physiology ; Spermatogenesis ; Testis/cytology/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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    Cell therapy of alpha-sarcoglycan null dystrophic mice through intra-arterial delivery of mesoangioblasts (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-07-12
    Description: Preclinical or clinical trials for muscular dystrophies have met with modest success, mainly because of inefficient delivery of viral vectors or donor cells to dystrophic muscles. We report here that intra-arterial delivery of wild-type mesoangioblasts, a class of vessel-associated stem cells, corrects morphologically and functionally the dystrophic phenotype of virtually all downstream muscles in adult immunocompetent alpha-sarcoglycan (alpha-SG) null mice, a model organism for limb-girdle muscular dystrophy. When mesoangioblasts isolated from juvenile dystrophic mice and transduced with a lentiviral vector expressing alpha-SG were injected into the femoral artery of dystrophic mice, they reconstituted skeletal muscle in a manner similar to that seen in wild-type cells. The success of this protocol was mainly due to widespread distribution of donor stem cells through the capillary network, a distinct advantage of this strategy over previous approaches.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sampaolesi, Maurilio -- Torrente, Yvan -- Innocenzi, Anna -- Tonlorenzi, Rossana -- D'Antona, Giuseppe -- Pellegrino, M Antonietta -- Barresi, Rita -- Bresolin, Nereo -- De Angelis, M Gabriella Cusella -- Campbell, Kevin P -- Bottinelli, Roberto -- Cossu, Giulio -- 1322/Telethon/Italy -- 463/BI/Telethon/Italy -- New York, N.Y. -- Science. 2003 Jul 25;301(5632):487-92. Epub 2003 Jul 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stem Cell Research Institute, H. S. Raffaele, Via Olgettina 58, 20132 Milan, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12855815" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Vessels/cytology/embryology ; Cell Differentiation ; Cell Line ; Cell Movement ; Cytoskeletal Proteins/*genetics/*metabolism ; Dystrophin/metabolism ; Endothelium, Vascular/physiology ; Female ; Femoral Artery ; Genetic Vectors ; Lentivirus/genetics ; Locomotion ; Male ; Membrane Glycoproteins/*genetics/*metabolism ; Mesoderm/cytology ; Mice ; Mice, Knockout ; Mice, Transgenic ; Muscle Contraction ; Muscle Fibers, Skeletal/cytology/physiology ; Muscle, Skeletal/cytology/metabolism/pathology/*physiology ; Muscular Dystrophy, Animal/metabolism/pathology/*therapy ; Regeneration ; Sarcoglycans ; *Stem Cell Transplantation ; Stem Cells/*physiology ; Transfection
    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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    Derivation of oocytes from mouse embryonic stem cells (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-05-06
    Description: Continuation of mammalian species requires the formation and development of the sexually dimorphic germ cells. Cultured embryonic stem cells are generally considered pluripotent rather than totipotent because of the failure to detect germline cells under differentiating conditions. Here we show that mouse embryonic stem cells in culture can develop into oogonia that enter meiosis, recruit adjacent cells to form follicle-like structures, and later develop into blastocysts. Oogenesis in culture should contribute to various areas, including nuclear transfer and manipulation of the germ line, and advance studies on fertility treatment and germ and somatic cell interaction and differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hubner, Karin -- Fuhrmann, Guy -- Christenson, Lane K -- Kehler, James -- Reinbold, Rolland -- De La Fuente, Rabindranath -- Wood, Jennifer -- Strauss, Jerome F 3rd -- Boiani, Michele -- Scholer, Hans R -- 1RO1HD42011-01/HD/NICHD NIH HHS/ -- HD06274/HD/NICHD NIH HHS/ -- T32 HD07305/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2003 May 23;300(5623):1251-6. Epub 2003 May 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Germline Development Group, Center for Animal Transgenesis and Germ Cell Research, School of Veterinary Medicine, University of Pennsylvania, New Bolton Center, 382 West Street Road, Kennett Square, PA 19348, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12730498" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomarkers/analysis ; Blastocyst/cytology/*physiology ; Cell Adhesion ; Cell Aggregation ; *Cell Differentiation ; Cell Lineage ; Cell Separation ; Cells, Cultured ; DNA-Binding Proteins/genetics ; Embryo, Mammalian/*cytology ; Estradiol/metabolism ; Female ; Gene Expression ; Genes, Reporter ; Meiosis ; Mice ; Mice, Transgenic ; Octamer Transcription Factor-3 ; Oocytes/cytology/*physiology ; *Oogenesis ; Ovarian Follicle/cytology/physiology ; Recombinant Fusion Proteins ; Totipotent Stem Cells/*physiology ; *Transcription Factors ; Transfection
    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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    Cerebellar LTD and learning-dependent timing of conditioned eyelid responses (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-09-23
    Description: Mammals can be trained to make a conditioned movement at a precise time, which is correlated to the interval between the conditioned stimulus and unconditioned stimulus during the learning. This learning-dependent timing has been shown to depend on an intact cerebellar cortex, but which cellular process is responsible for this form of learning remains to be demonstrated. Here, we show that protein kinase C-dependent long-term depression in Purkinje cells is necessary for learning-dependent timing of Pavlovian-conditioned eyeblink responses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koekkoek, S K E -- Hulscher, H C -- Dortland, B R -- Hensbroek, R A -- Elgersma, Y -- Ruigrok, T J H -- De Zeeuw, C I -- New York, N.Y. -- Science. 2003 Sep 19;301(5640):1736-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Erasmus MC, 3000 DR Rotterdam, Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14500987" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Blinking ; Cerebellum/*physiology ; *Conditioning, Eyelid ; Electroshock ; *Learning ; *Long-Term Synaptic Depression ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; Mutation ; N-Methylaspartate/pharmacology ; Protein Kinase C/genetics/metabolism ; Purkinje Cells/*physiology ; Time Factors
    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
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    Role of histone H3 lysine 27 methylation in X inactivation (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-03-22
    Description: The Polycomb group (PcG) protein Eed is implicated in regulation of imprinted X-chromosome inactivation in extraembryonic cells but not of random X inactivation in embryonic cells. The Drosophila homolog of the Eed-Ezh2 PcG protein complex achieves gene silencing through methylation of histone H3 on lysine 27 (H3-K27), which suggests a role for H3-K27 methylation in imprinted X inactivation. Here we demonstrate that transient recruitment of the Eed-Ezh2 complex to the inactive X chromosome (Xi) occurs during initiation of X inactivation in both extraembryonic and embryonic cells and is accompanied by H3-K27 methylation. Recruitment of the complex and methylation on the Xi depend on Xist RNA but are independent of its silencing function. Together, our results suggest a role for Eed-Ezh2-mediated H3-K27 methylation during initiation of both imprinted and random X inactivation and demonstrate that H3-K27 methylation is not sufficient for silencing of the Xi.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Plath, Kathrin -- Fang, Jia -- Mlynarczyk-Evans, Susanna K -- Cao, Ru -- Worringer, Kathleen A -- Wang, Hengbin -- de la Cruz, Cecile C -- Otte, Arie P -- Panning, Barbara -- Zhang, Yi -- New York, N.Y. -- Science. 2003 Apr 4;300(5616):131-5. Epub 2003 Mar 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA 94143, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12649488" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastocyst/metabolism/*physiology ; Cell Differentiation ; Cell Nucleus/metabolism ; Cells, Cultured ; *Dosage Compensation, Genetic ; Female ; Fluorescent Antibody Technique ; Genomic Imprinting ; HeLa Cells ; Histones/*metabolism ; Humans ; In Situ Hybridization, Fluorescence ; Lysine/metabolism ; Male ; Methylation ; Mice ; Mutation ; Polycomb Repressive Complex 2 ; RNA, Long Noncoding ; RNA, Untranslated/genetics/metabolism ; Repressor Proteins/metabolism ; Stem Cells/metabolism/*physiology ; Transgenes ; Trophoblasts/*physiology ; X Chromosome/*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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