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  • 1
    Publication Date: 1998-10-17
    Description: The angiopoietins and members of the vascular endothelial growth factor (VEGF) family are the only growth factors thought to be largely specific for vascular endothelial cells. Targeted gene inactivation studies in mice have shown that VEGF is necessary for the early stages of vascular development and that angiopoietin-1 is required for the later stages of vascular remodeling. Here it is shown that transgenic overexpression of angiopoietin-1 in the skin of mice produces larger, more numerous, and more highly branched vessels. These results raise the possibility that angiopoietins can be used, alone or in combination with VEGF, to promote therapeutic angiogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Suri, C -- McClain, J -- Thurston, G -- McDonald, D M -- Zhou, H -- Oldmixon, E H -- Sato, T N -- Yancopoulos, G D -- HL-24136/HL/NHLBI NIH HHS/ -- HL-59157/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1998 Oct 16;282(5388):468-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Regeneron Pharmaceuticals, 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9774272" target="_blank"〉PubMed〈/a〉
    Keywords: Angiopoietin-1 ; Animals ; Capillaries/anatomy & histology/ultrastructure ; Endothelial Growth Factors/genetics/physiology ; Endothelium, Vascular/ultrastructure ; Gene Expression ; Keratinocytes/metabolism ; Lymphokines/genetics/physiology ; Membrane Glycoproteins/genetics/*physiology ; Mice ; Mice, Transgenic ; *Neovascularization, Physiologic ; Skin/*blood supply/metabolism ; Transgenes ; Vascular Endothelial Growth Factor A ; Vascular Endothelial Growth Factors ; Venules/anatomy & histology/ultrastructure
    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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  • 2
    Publication Date: 2000-01-05
    Description: Angiopoietin-1 (Ang1) and vascular endothelial growth factor (VEGF) are endothelial cell-specific growth factors. Direct comparison of transgenic mice overexpressing these factors in the skin revealed that the VEGF-induced blood vessels were leaky, whereas those induced by Ang1 were nonleaky. Moreover, vessels in Ang1-overexpressing mice were resistant to leaks caused by inflammatory agents. Coexpression of Ang1 and VEGF had an additive effect on angiogenesis but resulted in leakage-resistant vessels typical of Ang1. Ang1 therefore may be useful for reducing microvascular leakage in diseases in which the leakage results from chronic inflammation or elevated VEGF and, in combination with VEGF, for promoting growth of nonleaky vessels.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thurston, G -- Suri, C -- Smith, K -- McClain, J -- Sato, T N -- Yancopoulos, G D -- McDonald, D M -- HL-24136/HL/NHLBI NIH HHS/ -- HL-59157/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1999 Dec 24;286(5449):2511-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy and Cardiovascular Research Institute, University of California, San Francisco, CA 94143-0452, USA. gavint@itsa.ucsf.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10617467" target="_blank"〉PubMed〈/a〉
    Keywords: Angiopoietin-1 ; Animals ; Arterioles/anatomy & histology/physiology ; Binding Sites ; Capillaries/anatomy & histology/physiology ; *Capillary Permeability ; Ear ; Endothelial Growth Factors/genetics/*physiology ; Endothelium, Vascular/metabolism ; Inflammation/chemically induced ; Inflammation Mediators/pharmacology ; Lymphokines/genetics/*physiology ; Membrane Glycoproteins/genetics/*physiology ; Mice ; Mice, Transgenic ; Microcirculation/anatomy & histology/*physiology ; Mustard Plant ; *Neovascularization, Physiologic ; Plant Extracts/pharmacology ; Plant Lectins ; Plant Oils ; Plants, Medicinal ; Platelet Activating Factor/pharmacology ; Ricin/metabolism ; Serotonin/pharmacology ; Skin/blood supply/metabolism ; Vascular Endothelial Growth Factor A ; Vascular Endothelial Growth Factors ; Venules/anatomy & histology/physiology
    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
    Publication Date: 2002-11-02
    Description: Ion channels on the mitochondrial inner membrane influence cell function in specific ways that can be detrimental or beneficial to cell survival. At least one type of potassium (K+) channel, the mitochondrial adenosine triphosphate-sensitive K+ channel (mitoKATP), is an important effector of protection against necrotic and apoptotic cell injury after ischemia. Here another channel with properties similar to the surface membrane calcium-activated K+ channel was found on the mitochondrial inner membrane (mitoKCa) of guinea pig ventricular cells. MitoKCa significantly contributed to mitochondrial K+ uptake of the myocyte, and an opener of mitoKCa protected hearts against infarction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xu, Wenhong -- Liu, Yongge -- Wang, Sheng -- McDonald, Todd -- Van Eyk, Jennifer E -- Sidor, Agnieszka -- O'Rourke, Brian -- NIHR01HL54598/HR/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2002 Nov 1;298(5595):1029-33.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Molecular Cardiobiology, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12411707" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Animals ; Benzimidazoles/pharmacology ; Calcium/*metabolism ; Charybdotoxin/pharmacology ; *Cytoprotection ; Guinea Pigs ; Heart/physiology/physiopathology ; Hemodynamics ; Intracellular Membranes/*metabolism ; Ion Transport ; Large-Conductance Calcium-Activated Potassium Channels ; Mitochondria, Heart/*metabolism ; Myocardial Infarction/*prevention & control ; Myocardial Ischemia/pathology/physiopathology ; Myocytes, Cardiac/*physiology/ultrastructure ; Patch-Clamp Techniques ; Potassium/*metabolism ; Potassium Channels, Calcium-Activated/*metabolism
    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
    Publication Date: 2001-10-06
    Description: Although trafficking and degradation of several membrane proteins are regulated by ubiquitination catalyzed by E3 ubiquitin ligases, there has been little evidence connecting ubiquitination with regulation of mammalian G protein (heterotrimeric guanine nucleotide-binding protein)-coupled receptor (GPCR) function. Agonist stimulation of endogenous or transfected beta2-adrenergic receptors (beta2ARs) led to rapid ubiquitination of both the receptors and the receptor regulatory protein, beta-arrestin. Moreover, proteasome inhibitors reduced receptor internalization and degradation, thus implicating a role for the ubiquitination machinery in the trafficking of the beta2AR. Receptor ubiquitination required beta-arrestin, which bound to the E3 ubiquitin ligase Mdm2. Abrogation of beta-arrestin ubiquitination, either by expression in Mdm2-null cells or by dominant-negative forms of Mdm2 lacking E3 ligase activity, inhibited receptor internalization with marginal effects on receptor degradation. However, a beta2AR mutant lacking lysine residues, which was not ubiquitinated, was internalized normally but was degraded ineffectively. These findings delineate an adapter role of beta-arrestin in mediating the ubiquitination of the beta2AR and indicate that ubiquitination of the receptor and of beta-arrestin have distinct and obligatory roles in the trafficking and degradation of this prototypic GPCR.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shenoy, S K -- McDonald, P H -- Kohout, T A -- Lefkowitz, R J -- HL16037/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2001 Nov 9;294(5545):1307-13. Epub 2001 Oct 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Medicine, Duke University Medical Center, Box 3821, Durham, NC 27710, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11588219" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arrestins/*metabolism ; COS Cells ; Catalysis ; Cell Line ; Cricetinae ; Cricetulus ; Cysteine Endopeptidases/metabolism ; Humans ; Isoproterenol/pharmacology ; Ligases/metabolism ; Multienzyme Complexes/antagonists & inhibitors/metabolism ; Mutation ; *Nuclear Proteins ; Phosphorylation ; Proteasome Endopeptidase Complex ; Proto-Oncogene Proteins/metabolism ; Proto-Oncogene Proteins c-mdm2 ; Receptors, Adrenergic, beta-2/genetics/*metabolism ; Recombinant Proteins/metabolism ; Transfection ; Ubiquitin/*metabolism ; Ubiquitin-Protein Ligases
    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
    Publication Date: 2000-11-25
    Description: beta-Arrestins, originally discovered in the context of heterotrimeric guanine nucleotide binding protein-coupled receptor (GPCR) desensitization, also function in internalization and signaling of these receptors. We identified c-Jun amino-terminal kinase 3 (JNK3) as a binding partner of beta-arrestin 2 using a yeast two-hybrid screen and by coimmunoprecipitation from mouse brain extracts or cotransfected COS-7 cells. The upstream JNK activators apoptosis signal-regulating kinase 1 (ASK1) and mitogen-activated protein kinase (MAPK) kinase 4 were also found in complex with beta-arrestin 2. Cellular transfection of beta-arrestin 2 caused cytosolic retention of JNK3 and enhanced JNK3 phosphorylation stimulated by ASK1. Moreover, stimulation of the angiotensin II type 1A receptor activated JNK3 and triggered the colocalization of beta-arrestin 2 and active JNK3 to intracellular vesicles. Thus, beta-arrestin 2 acts as a scaffold protein, which brings the spatial distribution and activity of this MAPK module under the control of a GPCR.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McDonald, P H -- Chow, C W -- Miller, W E -- Laporte, S A -- Field, M E -- Lin, F T -- Davis, R J -- Lefkowitz, R J -- CA65861/CA/NCI NIH HHS/ -- CA85422/CA/NCI NIH HHS/ -- HL16037/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2000 Nov 24;290(5496):1574-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Medicine, Duke University Medical Center, Box 3821, Durham, NC 27710, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11090355" target="_blank"〉PubMed〈/a〉
    Keywords: Angiotensin II/metabolism/pharmacology ; Animals ; Arrestins/genetics/*metabolism ; COS Cells ; Cell Line ; Cell Nucleus/metabolism ; Cytosol/enzymology/metabolism ; Endosomes/enzymology/metabolism ; Enzyme Activation ; Humans ; *MAP Kinase Kinase 4 ; MAP Kinase Kinase Kinase 5 ; MAP Kinase Kinase Kinases/*metabolism ; *MAP Kinase Signaling System ; Mice ; Mitogen-Activated Protein Kinase 10 ; Mitogen-Activated Protein Kinase Kinases/metabolism ; Mitogen-Activated Protein Kinases/*metabolism ; Mutation ; Phosphorylation ; Protein-Tyrosine Kinases/*metabolism ; Proto-Oncogene Proteins c-jun/metabolism ; Rats ; Receptor, Angiotensin, Type 1 ; Receptors, Angiotensin/*metabolism ; Recombinant Fusion Proteins/metabolism ; Transfection ; Two-Hybrid System Techniques
    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
    Publication Date: 2001-06-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McDonald, J J -- Teder-Salejarvi, W A -- Ward, L M -- New York, N.Y. -- Science. 2001 Jun 8;292(5523):1791.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada. jmcd@sfu.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11397913" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Attention/*physiology ; Brain Mapping ; Cues ; Functional Laterality ; Humans ; Light ; Magnetic Resonance Imaging ; Neural Pathways/physiology ; Photic Stimulation ; Touch/*physiology ; Visual Cortex/*physiology
    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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  • 7
    Publication Date: 2008-02-01
    Description: Understanding cellular response to environmental stress has broad implications for human disease. AMP-activated protein kinase (AMPK) orchestrates the regulation of energy-generating and -consuming pathways, and protects the heart against ischaemic injury and apoptosis. A role for circulating hormones such as adiponectin and leptin in the activation of AMPK has received recent attention. Whether local autocrine and paracrine factors within target organs such as the heart modulate AMPK is unknown. Here we show that macrophage migration inhibitory factor (MIF), an upstream regulator of inflammation, is released in the ischaemic heart, where it stimulates AMPK activation through CD74, promotes glucose uptake and protects the heart during ischaemia-reperfusion injury. Germline deletion of the Mif gene impairs ischaemic AMPK signalling in the mouse heart. Human fibroblasts with a low-activity MIF promoter polymorphism have diminished MIF release and AMPK activation during hypoxia. Thus, MIF modulates the activation of the cardioprotective AMPK pathway during ischaemia, functionally linking inflammation and metabolism in the heart. We anticipate that genetic variation in MIF expression may impact on the response of the human heart to ischaemia by the AMPK pathway, and that diagnostic MIF genotyping might predict risk in patients with coronary artery disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Edward J -- Li, Ji -- Leng, Lin -- McDonald, Courtney -- Atsumi, Toshiya -- Bucala, Richard -- Young, Lawrence H -- England -- Nature. 2008 Jan 31;451(7178):578-82. doi: 10.1038/nature06504.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cardiovascular Medicine Section of the Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18235500" target="_blank"〉PubMed〈/a〉
    Keywords: AMP-Activated Protein Kinases ; Animals ; Anoxia/enzymology/genetics/metabolism ; Antigens, Differentiation, B-Lymphocyte/genetics/metabolism ; Coronary Artery Disease/genetics ; Enzyme Activation ; Genetic Predisposition to Disease ; Genotype ; Glucose/metabolism ; Histocompatibility Antigens Class II/genetics/metabolism ; Humans ; Macrophage Migration-Inhibitory Factors/deficiency/genetics/*metabolism/secretion ; Mice ; Multienzyme Complexes/*metabolism ; Myocardial Ischemia/enzymology/genetics/*metabolism ; Myocardial Reperfusion Injury/physiopathology/prevention & control ; Myocardium/enzymology/metabolism ; Polymorphism, Genetic/genetics ; Promoter Regions, Genetic/genetics ; Protein-Serine-Threonine Kinases/*metabolism ; Rats ; Signal Transduction
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 2008-11-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arakaki, Adrian K -- Skolnick, Jeffrey -- McDonald, John F -- England -- Nature. 2008 Nov 27;456(7221):443. doi: 10.1038/456443c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19037294" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Asthma/metabolism ; Biomarkers/*metabolism ; Humans ; *Metabolomics ; Neoplasms/metabolism ; Therapeutics/*methods
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
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  • 9
    Publication Date: 2009-04-11
    Description: The clinical development of an inhibitor of cellular proteasome function suggests that compounds targeting other components of the ubiquitin-proteasome system might prove useful for the treatment of human malignancies. NEDD8-activating enzyme (NAE) is an essential component of the NEDD8 conjugation pathway that controls the activity of the cullin-RING subtype of ubiquitin ligases, thereby regulating the turnover of a subset of proteins upstream of the proteasome. Substrates of cullin-RING ligases have important roles in cellular processes associated with cancer cell growth and survival pathways. Here we describe MLN4924, a potent and selective inhibitor of NAE. MLN4924 disrupts cullin-RING ligase-mediated protein turnover leading to apoptotic death in human tumour cells by a new mechanism of action, the deregulation of S-phase DNA synthesis. MLN4924 suppressed the growth of human tumour xenografts in mice at compound exposures that were well tolerated. Our data suggest that NAE inhibitors may hold promise for the treatment of cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Soucy, Teresa A -- Smith, Peter G -- Milhollen, Michael A -- Berger, Allison J -- Gavin, James M -- Adhikari, Sharmila -- Brownell, James E -- Burke, Kristine E -- Cardin, David P -- Critchley, Stephen -- Cullis, Courtney A -- Doucette, Amanda -- Garnsey, James J -- Gaulin, Jeffrey L -- Gershman, Rachel E -- Lublinsky, Anna R -- McDonald, Alice -- Mizutani, Hirotake -- Narayanan, Usha -- Olhava, Edward J -- Peluso, Stephane -- Rezaei, Mansoureh -- Sintchak, Michael D -- Talreja, Tina -- Thomas, Michael P -- Traore, Tary -- Vyskocil, Stepan -- Weatherhead, Gabriel S -- Yu, Jie -- Zhang, Julie -- Dick, Lawrence R -- Claiborne, Christopher F -- Rolfe, Mark -- Bolen, Joseph B -- Langston, Steven P -- England -- Nature. 2009 Apr 9;458(7239):732-6. doi: 10.1038/nature07884.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Discovery, Millennium Pharmaceuticals, Inc., 40 Landsdowne Street, Cambridge, Massachusetts 02139, USA. teresa.soucy@mpi.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19360080" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antineoplastic Agents/*pharmacology ; Cell Line, Tumor ; Cells, Cultured ; Cullin Proteins/metabolism ; Cyclopentanes/*pharmacology ; Enzyme Inhibitors/*pharmacology ; Female ; Humans ; Mice ; Neoplasms/*drug therapy ; Proteasome Inhibitors ; Pyrimidines/*pharmacology ; Transplantation, Heterologous ; Ubiquitin-Activating Enzymes/*metabolism ; Ubiquitins/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 1989-02-24
    Description: The complete amino acid sequence of amphiregulin, a bifunctional cell growth modulator, was determined. The truncated form contains 78 amino acids, whereas a larger form of amphiregulin contains six additional amino acids at the amino-terminal end. The amino-terminal half of amphiregulin is extremely hydrophilic and contains unusually high numbers of lysine, arginine, and asparagine residues. The carboxyl-terminal half of amphiregulin (residues 46 to 84) exhibits striking homology to the epidermal growth factor (EGF) family of proteins. Amphiregulin binds to the EGF receptor but not as well as EGF does. Amphiregulin fully supplants the requirement for EGF or transforming growth factor-alpha in murine keratinocyte growth, but it is a much weaker growth stimulator in other cell systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shoyab, M -- Plowman, G D -- McDonald, V L -- Bradley, J G -- Todaro, G J -- New York, N.Y. -- Science. 1989 Feb 24;243(4894 Pt 1):1074-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Oncogen, Seattle, WA 98121.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2466334" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amphiregulin ; Animals ; Binding, Competitive ; Cell Division ; EGF Family of Proteins ; Epidermal Growth Factor/physiology ; Epidermis/cytology ; Glycoproteins/*physiology ; Growth Substances/*physiology ; Humans ; *Intercellular Signaling Peptides and Proteins ; Keratins/metabolism ; Mice ; Molecular Sequence Data ; Radioligand Assay ; Receptor, Epidermal Growth Factor/metabolism ; Sequence Homology, Nucleic Acid ; Transforming Growth Factors/physiology
    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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