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  • 1
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    Inhibition of cell migration, spreading, and focal adhesions by tumor suppressor PTEN (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-11
    Description: The tumor suppressor PTEN is a phosphatase with sequence similarity to the cytoskeletal protein tensin. Here the cellular roles of PTEN were investigated. Overexpression of PTEN inhibited cell migration, whereas antisense PTEN enhanced migration. Integrin-mediated cell spreading and the formation of focal adhesions were down-regulated by wild-type PTEN but not by PTEN with an inactive phosphatase domain. PTEN interacted with the focal adhesion kinase FAK and reduced its tyrosine phosphorylation. Overexpression of FAK partially antagonized the effects of PTEN. Thus, PTEN phosphatase may function as a tumor suppressor by negatively regulating cell interactions with the extracellular matrix.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tamura, M -- Gu, J -- Matsumoto, K -- Aota, S -- Parsons, R -- Yamada, K M -- New York, N.Y. -- Science. 1998 Jun 5;280(5369):1614-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Craniofacial Developmental Biology and Regeneration Branch, National Institute of Dental Research, National Institutes of Health, Bethesda, MD 20892-4370, USA. mtamura@yoda.nidr.nih.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9616126" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; Animals ; *Cell Adhesion ; Cell Adhesion Molecules/metabolism ; Cell Line ; *Cell Movement ; Cell Size ; Concanavalin A ; Down-Regulation ; Ecdysone/pharmacology ; Fibronectins ; Focal Adhesion Kinase 1 ; Focal Adhesion Protein-Tyrosine Kinases ; Genes, Tumor Suppressor ; Humans ; Integrins/physiology ; Mice ; Mutation ; PTEN Phosphohydrolase ; *Phosphoric Monoester Hydrolases ; Phosphorylation ; Polylysine ; Protein Tyrosine Phosphatases/genetics/metabolism/pharmacology/*physiology ; Protein-Tyrosine Kinases/metabolism ; Recombinant Proteins/pharmacology ; Signal Transduction ; Transfection ; Tumor Cells, Cultured ; *Tumor Suppressor Proteins
    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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    Tbx5 and the retinotectum projection (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-30
    Description: Dorsal and ventral aspects of the eye are distinct from the early stages of development. The developing eye cup grows dorsally, and the choroidal fissure is formed on its ventral side. Retinal axons from the dorsal and ventral retina project to the ventral and dorsal tectum, respectively. Misexpression of the Tbx5 gene induced dorsalization of the ventral side of the eye and altered projections of retinal ganglion cell axons. Thus, Tbx5 is involved in eye morphogenesis and is a topographic determinant of the visual projections between retina and tectum.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koshiba-Takeuchi, K -- Takeuchi, J K -- Matsumoto, K -- Momose, T -- Uno, K -- Hoepker, V -- Ogura, K -- Takahashi, N -- Nakamura, H -- Yasuda, K -- Ogura, T -- New York, N.Y. -- Science. 2000 Jan 7;287(5450):134-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Graduate School of Biological Sciences, Nara Institute of Science and Technology, 8916-5, Takayama, Ikoma, Nara, Japan 630-0101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10615048" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Avian Proteins ; Axons/*ultrastructure ; Body Patterning ; Bone Morphogenetic Protein 4 ; Bone Morphogenetic Proteins/genetics/physiology ; Chick Embryo ; DNA-Binding Proteins/genetics ; Electroporation ; Ephrin-B1 ; Ephrin-B2 ; Eye/*embryology ; Gene Expression ; Homeodomain Proteins/genetics ; Membrane Proteins/genetics/physiology ; Morphogenesis ; PAX2 Transcription Factor ; Pigment Epithelium of Eye/embryology/metabolism ; Retina/*embryology/metabolism ; Retinal Ganglion Cells/ultrastructure ; Superior Colliculi/*embryology ; T-Box Domain Proteins/genetics/*physiology ; Transcription Factors/genetics ; Transfection ; Transgenes
    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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  • 3
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    Btbd7 regulates epithelial cell dynamics and branching morphogenesis (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-07-31
    Description: During embryonic development, many organs form by extensive branching of epithelia through the formation of clefts and buds. In cleft formation, buds are delineated by the conversion of epithelial cell-cell adhesions to cell-matrix adhesions, but the mechanisms of cleft formation are not clear. We have identified Btbd7 as a dynamic regulator of branching morphogenesis. Btbd7 provides a mechanistic link between the extracellular matrix and cleft propagation through its highly focal expression leading to local regulation of Snail2 (Slug), E-cadherin, and epithelial cell motility. Inhibition experiments show that Btbd7 is required for branching of embryonic mammalian salivary glands and lungs. Hence, Btbd7 is a regulatory gene that promotes epithelial tissue remodeling and formation of branched organs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3412157/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3412157/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Onodera, Tomohiro -- Sakai, Takayoshi -- Hsu, Jeff Chi-feng -- Matsumoto, Kazue -- Chiorini, John A -- Yamada, Kenneth M -- ZIA DE000525-20/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2010 Jul 30;329(5991):562-5. doi: 10.1126/science.1191880.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cell and Developmental Biology, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892-4370, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20671187" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cadherins/metabolism ; Cell Adhesion ; Cell Line ; Cell Movement ; Dogs ; Epithelial Cells/*physiology ; Fibronectins/genetics/metabolism ; Genes, Regulator ; Lung/*embryology/metabolism ; Mice ; Mice, Inbred ICR ; Models, Biological ; Molecular Sequence Data ; *Morphogenesis ; Nuclear Proteins ; Organ Culture Techniques ; Proteins/chemistry/*genetics/*physiology ; RNA, Small Interfering ; Salivary Glands/*embryology/metabolism ; Submandibular Gland/embryology ; Transcription Factors/genetics/metabolism ; 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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  • 4
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    Induction of apoptosis by ASK1, a mammalian MAPKKK that activates SAPK/JNK and p38 signaling pathways (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-01-03
    Description: Mitogen-activated protein (MAP) kinase cascades are activated in response to various extracellular stimuli, including growth factors and environmental stresses. A MAP kinase kinase kinase (MAPKKK), termed ASK1, was identified that activated two different subgroups of MAP kinase kinases (MAPKK), SEK1 (or MKK4) and MKK3/MAPKK6 (or MKK6), which in turn activated stress-activated protein kinase (SAPK, also known as JNK; c-Jun amino-terminal kinase) and p38 subgroups of MAP kinases, respectively. Overexpression of ASK1 induced apoptotic cell death, and ASK1 was activated in cells treated with tumor necrosis factor-alpha (TNF-alpha). Moreover, TNF-alpha-induced apoptosis was inhibited by a catalytically inactive form of ASK1. ASK1 may be a key element in the mechanism of stress- and cytokine-induced apoptosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ichijo, H -- Nishida, E -- Irie, K -- ten Dijke, P -- Saitoh, M -- Moriguchi, T -- Takagi, M -- Matsumoto, K -- Miyazono, K -- Gotoh, Y -- New York, N.Y. -- Science. 1997 Jan 3;275(5296):90-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, The Cancer Institute, Tokyo, Japanese Foundation for Cancer Research, 1-37-1 Kami-Ikebukuro, Toshima-ku, Tokyo 170, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8974401" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; *Apoptosis ; COS Cells ; Calcium-Calmodulin-Dependent Protein Kinases/*metabolism ; Cell Division ; Cell Line ; Cell Survival ; Enzyme Activation ; JNK Mitogen-Activated Protein Kinases ; MAP Kinase Kinase 6 ; MAP Kinase Kinase Kinases ; *Mitogen-Activated Protein Kinase Kinases ; *Mitogen-Activated Protein Kinases ; Molecular Sequence Data ; Phosphorylation ; Polymerase Chain Reaction ; Protein-Serine-Threonine Kinases/chemistry/*metabolism ; Protein-Tyrosine Kinases/metabolism ; Recombinant Proteins/metabolism ; Saccharomyces cerevisiae/genetics/growth & development/metabolism ; *Signal Transduction ; Transfection ; Tumor Necrosis Factor-alpha/pharmacology ; p38 Mitogen-Activated Protein Kinases
    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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    Identification of a member of the MAPKKK family as a potential mediator of TGF-beta signal transduction (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-12-22
    Description: The mitogen-activated protein kinase (MAPK) pathway is a conserved eukaryotic signaling module that converts receptor signals into various outputs. MAPK is activated through phosphorylation by MAPK kinase (MAPKK), which is first activated by MAPKK kinase (MAPKKK). A genetic selection based on a MAPK pathway in yeast was used to identify a mouse protein kinase (TAK1) distinct from other members of the MAPKKK family. TAK1 was shown to participate in regulation of transcription by transforming growth factor-beta (TGF-beta). Furthermore, kinase activity of TAK1 was stimulated in response to TGF-beta and bone morphogenetic protein. These results suggest that TAK1 functions as a mediator in the signaling pathway of TGF-beta superfamily members.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yamaguchi, K -- Shirakabe, K -- Shibuya, H -- Irie, K -- Oishi, I -- Ueno, N -- Taniguchi, T -- Nishida, E -- Matsumoto, K -- New York, N.Y. -- Science. 1995 Dec 22;270(5244):2008-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Faculty of Science, Nagoya University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8533096" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Bone Morphogenetic Proteins ; Cell Line ; Cloning, Molecular ; Epidermal Growth Factor/pharmacology ; *Gene Expression Regulation ; Genes, Reporter ; *MAP Kinase Kinase Kinases ; Mice ; Molecular Sequence Data ; Protein-Serine-Threonine Kinases/*metabolism ; Proteins/pharmacology ; Saccharomyces cerevisiae/genetics ; *Signal Transduction ; Transfection ; Transforming Growth Factor beta/*pharmacology
    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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    TAB1: an activator of the TAK1 MAPKKK in TGF-beta signal transduction (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-05-24
    Description: Transforming growth factor-beta (TGF-beta) regulates many aspects of cellular function. A member of the mitogen-activated protein kinase kinase kinase (MAPKKK) family, TAK1, was previously identified as a mediator in the signaling pathway of TGF-beta superfamily members. The yeast two-hybrid system has now revealed two human proteins, termed TAB1 and TAB2 (for TAK1 binding protein), that interact with TAK1. TAB1 and TAK1 were co-immunoprecipitated from mammalian cells. Overproduction of TAB1 enhanced activity of the plasminogen activator inhibitor 1 gene promoter, which is regulated by TGF-beta, and increased the kinase activity of TAK1. TAB1 may function as an activator of the TAK1 MAPKKK in TGF-beta signal transduction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shibuya, H -- Yamaguchi, K -- Shirakabe, K -- Tonegawa, A -- Gotoh, Y -- Ueno, N -- Irie, K -- Nishida, E -- Matsumoto, K -- New York, N.Y. -- Science. 1996 May 24;272(5265):1179-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8638164" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptor Proteins, Signal Transducing ; Amino Acid Sequence ; Animals ; Base Sequence ; Carrier Proteins/chemistry/*metabolism ; Cell Line ; Cloning, Molecular ; Enzyme Activation ; Genes, Reporter ; Humans ; *Intracellular Signaling Peptides and Proteins ; *MAP Kinase Kinase Kinases ; Mice ; Molecular Sequence Data ; Plasminogen Activator Inhibitor 1/genetics ; Promoter Regions, Genetic ; Protein-Serine-Threonine Kinases/*metabolism ; Recombinant Fusion Proteins/metabolism ; Saccharomyces cerevisiae/genetics/metabolism ; *Signal Transduction ; Transfection ; Transformation, Genetic ; Transforming Growth Factor beta/*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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