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  • 1
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    Two-amino acid molecular switch in an epithelial morphogen that regulates binding to two distinct receptors (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2000-10-20
    Beschreibung: Ectodysplasin, a member of the tumor necrosis factor family, is encoded by the anhidrotic ectodermal dysplasia (EDA) gene. Mutations in EDA give rise to a clinical syndrome characterized by loss of hair, sweat glands, and teeth. EDA-A1 and EDA-A2 are two isoforms of ectodysplasin that differ only by an insertion of two amino acids. This insertion functions to determine receptor binding specificity, such that EDA-A1 binds only the receptor EDAR, whereas EDA-A2 binds only the related, but distinct, X-linked ectodysplasin-A2 receptor (XEDAR). In situ binding and organ culture studies indicate that EDA-A1 and EDA-A2 are differentially expressed and play a role in epidermal morphogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yan, M -- Wang, L C -- Hymowitz, S G -- Schilbach, S -- Lee, J -- Goddard, A -- de Vos, A M -- Gao, W Q -- Dixit, V M -- New York, N.Y. -- Science. 2000 Oct 20;290(5491):523-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Oncology, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11039935" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Amino Acid Substitution ; Animals ; Binding Sites ; Cell Line ; DNA-Binding Proteins/metabolism ; Ectodermal Dysplasia/genetics ; Ectodysplasins ; Epidermis/embryology/*metabolism ; Humans ; *I-kappa B Proteins ; In Situ Hybridization ; Ligands ; Membrane Proteins/*chemistry/*metabolism ; Mice ; Models, Molecular ; Molecular Sequence Data ; Morphogenesis ; NF-kappa B/metabolism ; Phosphorylation ; Point Mutation ; Protein Conformation ; Proteins/metabolism ; Receptors, Cell Surface/chemistry/genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; TNF Receptor-Associated Factor 6 ; Transfection
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    Generation of a prostate from a single adult stem cell (2008)
    Nature Publishing Group (NPG)
    Details
    Publikationsdatum: 2008-10-24
    Beschreibung: The existence of prostate stem cells (PSCs) was first postulated from the observation that normal prostate regeneration can occur after repeated cycles of androgen deprivation and replacement in rodents. Given the critical role of PSCs in maintaining prostate tissue integrity and their potential involvement in prostate tumorigenesis, it is important to define specific markers for normal PSCs. Several cell-surface markers have been reported to identify candidate PSCs, including stem cell antigen-1 (Sca-1, also known as Ly6a), CD133 (Prom1) and CD44 (refs 3-10). However, many non-PSCs in the mouse prostate also express these markers and thus identification of a more defined PSC population remains elusive. Here we identify CD117 (c-kit, stem cell factor receptor) as a new marker of a rare adult mouse PSC population, and demonstrate that a single stem cell defined by the phenotype Lin(-)Sca-1(+)CD133(+)CD44(+)CD117(+) can generate a prostate after transplantation in vivo. CD117 expression is predominantly localized to the region of the mouse prostate proximal to the urethra and is upregulated after castration-induced prostate involution-two characteristics consistent with that of a PSC marker. CD117(+) PSCs can generate functional, secretion-producing prostates when transplanted in vivo. Moreover, CD117(+) PSCs have long-term self-renewal capacity, as evidenced by serial isolation and transplantation in vivo. Our data establish that single cells in the adult mouse prostate with multipotent, self-renewal capacity are defined by a Lin(-)Sca-1(+)CD133(+)CD44(+)CD117(+) phenotype.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leong, Kevin G -- Wang, Bu-Er -- Johnson, Leisa -- Gao, Wei-Qiang -- England -- Nature. 2008 Dec 11;456(7223):804-8. doi: 10.1038/nature07427. Epub 2008 Oct 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18946470" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult Stem Cells/metabolism/*physiology/*transplantation ; Animals ; Antigens, Surface/genetics ; Epithelium/metabolism ; Gene Expression Regulation ; Male ; Mice ; Mice, Inbred C57BL ; Phenotype ; Prostate/*cytology/*growth & development/metabolism/secretion ; Proto-Oncogene Proteins c-kit/genetics ; *Stem Cell Transplantation
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von Nature Publishing Group (NPG)
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
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    Organization of the human and mouse low-affinity Fc gamma R genes: duplication and recombination (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1990-05-11
    Beschreibung: Receptors for immunoglobulin G immune complexes (Fc gamma RII and Fc gamma RIII) are expressed on most hematopoietic cells and show much structural and functional diversity. In order to determine the genetic basis for this diversity, a family of genes encoding the human and mouse receptors was isolated and characterized. Humans have five distinct genes for low-affinity Fc gamma Rs, in contrast to two in the mouse. With the use of yeast artificial chromosomes, the genes encoding the human receptors were oriented and linked, which established the structure of this complex locus. Comparison of the human and mouse genes generated a model for the evolutionary amplification of this locus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Qiu, W Q -- de Bruin, D -- Brownstein, B H -- Pearse, R -- Ravetch, J V -- GM 36306/GM/NIGMS NIH HHS/ -- GM 39256/GM/NIGMS NIH HHS/ -- K23 AG022476/AG/NIA NIH HHS/ -- R01 AG031171/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 1990 May 11;248(4956):732-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Molecular Biology, Sloan-Kettering Institute, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2139735" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antigens, Differentiation/*genetics/metabolism ; Base Sequence ; Blotting, Southern ; Exons ; Genome, Human ; Humans ; Immunoglobulin G/metabolism ; Introns ; Mice ; Molecular Sequence Data ; *Multigene Family ; Mutation ; Receptors, Fc/*genetics/metabolism ; Receptors, IgG ; Recombination, Genetic ; Restriction Mapping ; Spleen/immunology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
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    COP1 is a tumour suppressor that causes degradation of ETS transcription factors (2011)
    Nature Publishing Group (NPG)
    Details
    Publikationsdatum: 2011-05-17
    Beschreibung: The proto-oncogenes ETV1, ETV4 and ETV5 encode transcription factors in the E26 transformation-specific (ETS) family, which includes the most frequently rearranged and overexpressed genes in prostate cancer. Despite being critical regulators of development, little is known about their post-translational regulation. Here we identify the ubiquitin ligase COP1 (also known as RFWD2) as a tumour suppressor that negatively regulates ETV1, ETV4 and ETV5. ETV1, which is mutated in prostate cancer more often, was degraded after being ubiquitinated by COP1. Truncated ETV1 encoded by prostate cancer translocation TMPRSS2:ETV1 lacks the critical COP1 binding motifs and was 50-fold more stable than wild-type ETV1. Almost all patient translocations render ETV1 insensitive to COP1, implying that this confers a selective advantage to prostate epithelial cells. Indeed, COP1 deficiency in mouse prostate elevated ETV1 and produced increased cell proliferation, hyperplasia, and early prostate intraepithelial neoplasia. Combined loss of COP1 and PTEN enhanced the invasiveness of mouse prostate adenocarcinomas. Finally, rare human prostate cancer samples showed hemizygous loss of the COP1 gene, loss of COP1 protein, and elevated ETV1 protein while lacking a translocation event. These findings identify COP1 as a tumour suppressor whose downregulation promotes prostatic epithelial cell proliferation and tumorigenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vitari, Alberto C -- Leong, Kevin G -- Newton, Kim -- Yee, Cindy -- O'Rourke, Karen -- Liu, Jinfeng -- Phu, Lilian -- Vij, Rajesh -- Ferrando, Ronald -- Couto, Suzana S -- Mohan, Sankar -- Pandita, Ajay -- Hongo, Jo-Anne -- Arnott, David -- Wertz, Ingrid E -- Gao, Wei-Qiang -- French, Dorothy M -- Dixit, Vishva M -- England -- Nature. 2011 May 15;474(7351):403-6. doi: 10.1038/nature10005.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiological Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21572435" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Motifs ; Animals ; Carrier Proteins/metabolism ; Cell Line ; Cell Line, Tumor ; Cell Proliferation ; Cell Transformation, Neoplastic ; DNA-Binding Proteins/genetics/metabolism ; Humans ; Male ; Mice ; Nuclear Proteins/deficiency/*metabolism ; PTEN Phosphohydrolase/deficiency ; Prostatic Neoplasms/metabolism/pathology ; Protein Binding ; Proto-Oncogene Proteins c-ets/*metabolism ; Transcription Factors/genetics/metabolism ; Tumor Suppressor Proteins/*metabolism ; Ubiquitin-Protein Ligases/deficiency/genetics/*metabolism ; Ubiquitination
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von Nature Publishing Group (NPG)
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
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    Neuronal differentiation rescued by implantation of Weaver granule cell precursors into wild-type cerebellar cortex (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1993-04-16
    Beschreibung: The migration of postmitotic neurons away from compact, germinal zones is a critical step in neuronal differentiation in the developing brain. To study the molecular signals necessary for cerebellar granule cell migration in situ, precursor cells from the neurological mutant mouse weaver, an animal with phenotypic defects in migration, were implanted into the external germinal layer (EGL) of wild-type cerebellar cortex. In this region, labeled weaver precursor cells of the EGL progressed through all stages of granule neuron differentiation, including the extension of parallel fibers, migration through the molecular and Purkinje cell layers, positioning in the internal granule cell layer, and extension of dendrites. Thus, the weaver gene acts nonautonomously in vivo, and local cell interactions may induce early steps in neuronal differentiation that are required for granule cell migration.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gao, W Q -- Hatten, M E -- New York, N.Y. -- Science. 1993 Apr 16;260(5106):367-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, College of Physicians and Surgeons, Columbia University, New York, NY 10032.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8469990" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cell Differentiation ; Cell Movement ; Cerebellar Cortex/*cytology ; Genes ; Mice ; Mice, Neurologic Mutants ; Microscopy, Fluorescence ; Models, Neurological ; Neurons/*cytology/physiology/transplantation ; Phenotype ; Stem Cell Transplantation ; Stem Cells/*cytology/physiology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
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    iPS cells produce viable mice through tetraploid complementation (2009)
    Nature Publishing Group (NPG)
    Details
    Publikationsdatum: 2009-08-13
    Beschreibung: Since the initial description of induced pluripotent stem (iPS) cells created by forced expression of four transcription factors in mouse fibroblasts, the technique has been used to generate embryonic stem (ES)-cell-like pluripotent cells from a variety of cell types in other species, including primates and rat. It has become a popular means to reprogram somatic genomes into an embryonic-like pluripotent state, and a preferred alternative to somatic-cell nuclear transfer and somatic-cell fusion with ES cells. However, iPS cell reprogramming remains slow and inefficient. Notably, no live animals have been produced by the most stringent tetraploid complementation assay, indicative of a failure to create fully pluripotent cells. Here we report the generation of several iPS cell lines that are capable of generating viable, fertile live-born progeny by tetraploid complementation. These iPS cells maintain a pluripotent potential that is very close to ES cells generated from in vivo or nuclear transfer embryos. We demonstrate the practicality of using iPS cells as useful tools for the characterization of cellular reprogramming and developmental potency, and confirm that iPS cells can attain true pluripotency that is similar to that of ES cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, Xiao-yang -- Li, Wei -- Lv, Zhuo -- Liu, Lei -- Tong, Man -- Hai, Tang -- Hao, Jie -- Guo, Chang-long -- Ma, Qing-wen -- Wang, Liu -- Zeng, Fanyi -- Zhou, Qi -- England -- Nature. 2009 Sep 3;461(7260):86-90. doi: 10.1038/nature08267.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19672241" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Blastocyst/cytology/physiology ; Cell Dedifferentiation/physiology ; Cell Line ; Cell Lineage ; Cellular Reprogramming ; Embryo, Mammalian/cytology/embryology/metabolism ; Embryonic Stem Cells/cytology/physiology ; Female ; Fibroblasts/cytology ; Gene Expression Profiling ; Genetic Complementation Test ; Male ; Mice ; Mice, SCID ; Pluripotent Stem Cells/cytology/*physiology ; *Polyploidy ; Pregnancy ; *Reproductive Techniques ; Survival Rate ; Teratoma
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von Nature Publishing Group (NPG)
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
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    Cloning and characterization of inducible nitric oxide synthase from mouse macrophages (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1992-04-10
    Beschreibung: Nitric oxide (NO) conveys a variety of messages between cells, including signals for vasorelaxation, neurotransmission, and cytotoxicity. In some endothelial cells and neurons, a constitutive NO synthase is activated transiently by agonists that elevate intracellular calcium concentrations and promote the binding of calmodulin. In contrast, in macrophages, NO synthase activity appears slowly after exposure of the cells to cytokines and bacterial products, is sustained, and functions independently of calcium and calmodulin. A monospecific antibody was used to clone complementary DNA that encoded two isoforms of NO synthase from immunologically activated mouse macrophages. Liquid chromatography-mass spectrometry was used to confirm most of the amino acid sequence. Macrophage NO synthase differs extensively from cerebellar NO synthase. The macrophage enzyme is immunologically induced at the transcriptional level and closely resembles the enzyme in cytokine-treated tumor cells and inflammatory neutrophils.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xie, Q W -- Cho, H J -- Calaycay, J -- Mumford, R A -- Swiderek, K M -- Lee, T D -- Ding, A -- Troso, T -- Nathan, C -- AI30165/AI/NIAID NIH HHS/ -- CA43610/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1992 Apr 10;256(5054):225-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Beatrice and Samuel A. Seaver Laboratory, Department of Medicine, Cornell University Medical College, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1373522" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Oxidoreductases/biosynthesis/*genetics ; Amino Acid Sequence ; Animals ; Base Sequence ; Cell Line ; Cells, Cultured ; Cloning, Molecular ; Codon ; Enzyme Induction ; Interferon-gamma/pharmacology ; Isoenzymes/biosynthesis/*genetics ; Kinetics ; Lipopolysaccharides ; Macrophages/drug effects/*enzymology ; Mammary Neoplasms, Experimental ; Mice ; Molecular Sequence Data ; Molecular Weight ; Neutrophils/drug effects/enzymology ; Nitric Oxide Synthase ; Oligodeoxyribonucleotides ; Poly A/genetics ; RNA/genetics ; RNA, Messenger ; Rats ; Sequence Homology, Nucleic Acid ; Transcription, Genetic
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
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    Control of embryonic motoneuron survival in vivo by ciliary neurotrophic factor (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1991-03-29
    Beschreibung: During development of the nervous system, neurons in many regions are overproduced by proliferation, after which the excess cells are eliminated by cell death. The survival of only a proportion of neurons during normal development is thought to be regulated by the limited availability of neurotrophic agents. One such putative trophic agent is ciliary neurotrophic factor (CNTF), a polypeptide that promotes the survival of ciliary, sensory, and sympathetic neurons in vitro. In contrast to the results of in vitro studies, however, the daily treatment of chick embryos in vivo with purified human recombinant CNTF failed to rescue any of these cell populations from cell death, whereas CNTF did promote the in vivo survival of spinal motoneurons. Thus, CNTF may not act as a neurotrophic agent in vivo for those embryonic neurons (especially ciliary neurons) on which it acts in vitro. Rather, CNTF may be required for in vivo survival of motoneurons.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Oppenheim, R W -- Prevette, D -- Yin, Q W -- Collins, F -- MacDonald, J -- NS 20402/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1991 Mar 29;251(5001):1616-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology and Anatomy, Bowman Gray School of Medicine, Wake Forest University, Winston-Salem, NC 27103.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2011743" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cell Survival/drug effects ; Cells, Cultured ; Chick Embryo ; Ciliary Neurotrophic Factor ; Kinetics ; Motor Neurons/*cytology/drug effects ; Nerve Growth Factors/*pharmacology ; Nerve Tissue Proteins/*pharmacology ; Recombinant Proteins/pharmacology ; Spinal Cord/cytology/embryology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 9
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    Derivatives of erythropoietin that are tissue protective but not erythropoietic (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2004-07-13
    Beschreibung: Erythropoietin (EPO) is both hematopoietic and tissue protective, putatively through interaction with different receptors. We generated receptor subtype-selective ligands allowing the separation of EPO's bioactivities at the cellular level and in animals. Carbamylated EPO (CEPO) or certain EPO mutants did not bind to the classical EPO receptor (EPOR) and did not show any hematopoietic activity in human cell signaling assays or upon chronic dosing in different animal species. Nevertheless, CEPO and various nonhematopoietic mutants were cytoprotective in vitro and conferred neuroprotection against stroke, spinal cord compression, diabetic neuropathy, and experimental autoimmune encephalomyelitis at a potency and efficacy comparable to EPO.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leist, Marcel -- Ghezzi, Pietro -- Grasso, Giovanni -- Bianchi, Roberto -- Villa, Pia -- Fratelli, Maddalena -- Savino, Costanza -- Bianchi, Marina -- Nielsen, Jacob -- Gerwien, Jens -- Kallunki, Pekka -- Larsen, Anna Kirstine -- Helboe, Lone -- Christensen, Soren -- Pedersen, Lars O -- Nielsen, Mette -- Torup, Lars -- Sager, Thomas -- Sfacteria, Alessandra -- Erbayraktar, Serhat -- Erbayraktar, Zubeyde -- Gokmen, Necati -- Yilmaz, Osman -- Cerami-Hand, Carla -- Xie, Qiao-Wen -- Coleman, Thomas -- Cerami, Anthony -- Brines, Michael -- New York, N.Y. -- Science. 2004 Jul 9;305(5681):239-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉H. Lundbeck A/S, 2500 Valby, Denmark.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15247477" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Apoptosis ; Binding Sites ; Cells, Cultured ; Diabetic Neuropathies/drug therapy ; Drug Design ; Encephalomyelitis, Autoimmune, Experimental/drug therapy ; Erythropoiesis ; Erythropoietin/*analogs & ; derivatives/chemistry/genetics/metabolism/pharmacology/*therapeutic use ; Female ; Hematocrit ; Humans ; Ligands ; Mice ; Mice, Inbred C3H ; Mutagenesis ; Nervous System Diseases/*drug therapy ; Neurons/metabolism ; Neuroprotective Agents/chemistry/metabolism/pharmacology/*therapeutic use ; Rats ; Rats, Sprague-Dawley ; Receptors, Erythropoietin/metabolism ; Recombinant Proteins ; Signal Transduction ; Spinal Cord Compression/drug therapy ; Stroke/drug therapy ; Structure-Activity Relationship
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
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    Inhibition of viral replication by interferon-gamma-induced nitric oxide synthase (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1993-09-10
    Beschreibung: Interferons (IFNs) induce antiviral activity in many cell types. The ability of IFN-gamma to inhibit replication of ectromelia, vaccinia, and herpes simplex-1 viruses in mouse macrophages correlated with the cells' production of nitric oxide (NO). Viral replication was restored in IFN-gamma-treated macrophages exposed to inhibitors of NO synthase. Conversely, epithelial cells with no detectable NO synthesis restricted viral replication when transfected with a complementary DNA encoding inducible NO synthase or treated with organic compounds that generate NO. In mice, an inhibitor of NO synthase converted resolving ectromelia virus infection into fulminant mousepox. Thus, induction of NO synthase can be necessary and sufficient for a substantial antiviral effect of IFN-gamma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Karupiah, G -- Xie, Q W -- Buller, R M -- Nathan, C -- Duarte, C -- MacMicking, J D -- CA43610/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1993 Sep 10;261(5127):1445-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7690156" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Oxidoreductases/*biosynthesis/metabolism ; Animals ; Arginine/analogs & derivatives/pharmacology ; Cell Line ; Cells, Cultured ; Ectromelia virus/drug effects/*physiology ; Ectromelia, Infectious/microbiology ; Enzyme Induction ; Female ; Humans ; Interferon-gamma/*pharmacology ; Macrophages/*microbiology ; Mice ; Mice, Inbred C57BL ; Nitric Oxide/metabolism/pharmacology ; Nitric Oxide Synthase ; Simplexvirus/drug effects/physiology ; Transfection ; Vaccinia virus/drug effects/physiology ; *Virus Replication/drug effects ; omega-N-Methylarginine
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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