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  • 1
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    Cell growth arrest and induction of cyclin-dependent kinase inhibitor p21 WAF1/CIP1 mediated by STAT1 (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-05-03
    Description: Signal transducers and activators of transcription (STAT) proteins can be conditionally activated in response to epidermal growth factor (EGF) and interferon (IFN)-gamma. STAT activation was correlated with cell growth inhibition in response to EGF and IFN-gamma. Activated STAT proteins specifically recognized the conserved STAT-responsive elements in the promoter of the gene encoding the cyclin-dependent kinase (CDK) inhibitor p21 WAF1/CIP1 and regulated the induction of p21 messenger RNA. IFN-gamma did not inhibit the growth of U3A cells, which are deficient in STAT1, but did inhibit the growth of U3A cells into which STAT1 alpha was reintroduced. Thus, STAT1 protein is essential for cell growth suppression in response to IFN-gamma. The STAT signaling pathway appears to negatively regulate the cell cycle by inducing CDK inhibitors in response to cytokines.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chin, Y E -- Kitagawa, M -- Su, W C -- You, Z H -- Iwamoto, Y -- Fu, X Y -- R01 AI34522/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1996 May 3;272(5262):719-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Yale University School of Medicine, New Haven, CT 06520-8023, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8614832" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Binding Sites ; *Cell Division/drug effects ; Cell Line ; Cyclin-Dependent Kinase Inhibitor p21 ; Cyclins/biosynthesis/*genetics ; DNA/biosynthesis ; DNA-Binding Proteins/metabolism/*physiology ; Epidermal Growth Factor/pharmacology ; *Gene Expression Regulation ; Humans ; Interferon-gamma/pharmacology ; Molecular Sequence Data ; Promoter Regions, Genetic ; RNA, Messenger/genetics/metabolism ; STAT1 Transcription Factor ; STAT3 Transcription Factor ; *Signal Transduction ; Trans-Activators/metabolism/*physiology ; Transfection ; Tumor Cells, Cultured
    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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    Anti-oncogenic and oncogenic potentials of interferon regulatory factors-1 and -2 (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-02-12
    Description: Interferon regulatory factor-1 (IRF-1), a transcriptional activator, and IRF-2, its antagonistic repressor, have been identified as regulators of type I interferon and interferon-inducible genes. The IRF-1 gene is itself interferon-inducible and hence may be one of the target genes critical for interferon action. When the IRF-2 gene was overexpressed in NIH 3T3 cells, the cells became transformed and displayed enhanced tumorigenicity in nude mice. This transformed phenotype was reversed by concomitant overexpression of the IRF-1 gene. Thus, restrained cell growth depends on a balance between these two mutually antagonistic transcription factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harada, H -- Kitagawa, M -- Tanaka, N -- Yamamoto, H -- Harada, K -- Ishihara, M -- Taniguchi, T -- New York, N.Y. -- Science. 1993 Feb 12;259(5097):971-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Molecular and Cellular Biology, Osaka University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8438157" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells/metabolism ; Animals ; Blotting, Northern ; Cell Transformation, Neoplastic/*genetics ; Chromosome Mapping ; Chromosomes, Human, Pair 5 ; DNA/biosynthesis ; DNA-Binding Proteins/*genetics ; *Gene Expression ; Humans ; Immunosorbent Techniques ; Interferon Regulatory Factor-1 ; Interferon Regulatory Factor-2 ; Mice ; Mice, Nude ; Phenotype ; Phosphoproteins/*genetics ; Promoter Regions, Genetic ; RNA, Messenger/genetics ; *Repressor Proteins ; *Transcription Factors ; 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)
    Location Call Number Expected Availability
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