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  • Mice  (16)
  • Aerodynamics
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  • American Association for the Advancement of Science (AAAS)  (16)
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  • 1
    Publication Date: 1989-04-14
    Description: Previous studies have demonstrated that allelic deletions of the short arm of chromosome 17 occur in over 75% of colorectal carcinomas. Twenty chromosome 17p markers were used to localize the common region of deletion in these tumors to a region contained within bands 17p12 to 17p13.3. This region contains the gene for the transformation-associated protein p53. Southern and Northern blot hybridization experiments provided no evidence for gross alterations of the p53 gene or surrounding sequences. As a more rigorous test of the possibility that p53 was a target of the deletions, the p53 coding regions from two tumors were analyzed; these two tumors, like most colorectal carcinomas, had allelic deletions of chromosome 17p and expressed considerable amounts of p53 messenger RNA from the remaining allele. The remaining p53 allele was mutated in both tumors, with an alanine substituted for valine at codon 143 of one tumor and a histidine substituted for arginine at codon 175 of the second tumor. Both mutations occurred in a highly conserved region of the p53 gene that was previously found to be mutated in murine p53 oncogenes. The data suggest that p53 gene mutations may be involved in colorectal neoplasia, perhaps through inactivation of a tumor suppressor function of the wild-type p53 gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baker, S J -- Fearon, E R -- Nigro, J M -- Hamilton, S R -- Preisinger, A C -- Jessup, J M -- vanTuinen, P -- Ledbetter, D H -- Barker, D F -- Nakamura, Y -- White, R -- Vogelstein, B -- GM07184/GM/NIGMS NIH HHS/ -- GM07309/GM/NIGMS NIH HHS/ -- HD20619/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Apr 14;244(4901):217-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Oncology Center, Johns Hopkins University School of Medicine, Baltimore, MD 21231.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2649981" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; *Chromosome Deletion ; *Chromosomes, Human, Pair 17/ultrastructure ; Colorectal Neoplasms/*genetics ; Humans ; Mice ; Mice, Nude ; *Mutation ; Neoplasm Proteins/*genetics ; Nucleic Acid Hybridization ; Oncogenes ; Phosphoproteins/*genetics ; Suppression, Genetic ; Tumor Suppressor Protein p53
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  • 2
    Publication Date: 1989-12-08
    Description: The fragile X syndrome is the most common cause of familial mental retardation. Genetic counseling and gene isolation are hampered by a lack of DNA markers close to the disease locus. Two somatic cell hybrids that each contain a human X chromosome with a breakpoint close to the fragile X locus have been characterized. A new DNA marker (DXS296) lies between the chromosome breakpoints and is the closest marker to the fragile X locus yet reported. The Hunter syndrome gene, which causes iduronate sulfatase deficiency, is located at the X chromosome breakpoint that is distal to this new marker, thus localizing the Hunter gene distal to the fragile X locus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Suthers, G K -- Callen, D F -- Hyland, V J -- Kozman, H M -- Baker, E -- Eyre, H -- Harper, P S -- Roberts, S H -- Hors-Cayla, M C -- Davies, K E -- New York, N.Y. -- Science. 1989 Dec 8;246(4935):1298-300.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Histopathology, Adelaide Children's Hospital, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2573953" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Mapping ; Female ; Fragile X Syndrome/*genetics ; Genetic Counseling ; *Genetic Linkage ; *Genetic Markers ; Genomic Library ; Humans ; Hybrid Cells ; Likelihood Functions ; Mice ; Mucopolysaccharidosis II/genetics ; Mutation ; Nucleic Acid Hybridization ; Polymorphism, Restriction Fragment Length ; Sex Chromosome Aberrations/*genetics ; Translocation, Genetic
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  • 3
    Publication Date: 1991-11-01
    Description: The generation of antigen-specific antitumor immunity is the ultimate goal in cancer immunotherapy. When cells from a spontaneously arising murine renal cell tumor were engineered to secrete large doses of interleukin-4 (IL-4) locally, they were rejected in a predominantly T cell-independent manner. However, animals that rejected the IL-4-transfected tumors developed T cell-dependent systemic immunity to the parental tumor. This systemic immunity was tumor-specific and primarily mediated by CD8+ T cells. Established parental tumors could be cured by the systemic immune response generated by injection of the genetically engineered tumors. These results provide a rationale for the use of lymphokine gene-transfected tumor cells as a modality for cancer therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Golumbek, P T -- Lazenby, A J -- Levitsky, H I -- Jaffee, L M -- Karasuyama, H -- Baker, M -- Pardoll, D M -- New York, N.Y. -- Science. 1991 Nov 1;254(5032):713-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Johns Hopkins University, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948050" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carcinoma, Renal Cell/genetics/immunology/pathology/*therapy ; Cell Division ; Cell Line ; *Immunotherapy ; Interleukin-4/*genetics/secretion ; Kidney Neoplasms/genetics/immunology/pathology/*therapy ; Lymphocyte Depletion ; Mice ; Mice, Inbred BALB C ; Mice, SCID ; Neoplasm Transplantation ; *Protein Engineering ; T-Lymphocyte Subsets/immunology ; Transfection
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  • 4
    Publication Date: 2006-12-02
    Description: 〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4383235/" 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/PMC4383235/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maini, Philip K -- Baker, Ruth E -- Chuong, Cheng-Ming -- R01 AR042177/AR/NIAMS NIH HHS/ -- R01 AR042177-11/AR/NIAMS NIH HHS/ -- R01 AR042177-12/AR/NIAMS NIH HHS/ -- R01 AR047364/AR/NIAMS NIH HHS/ -- R01 AR047364-04/AR/NIAMS NIH HHS/ -- R01 AR047364-05/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 2006 Dec 1;314(5804):1397-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Mathematical Biology, University of Oxford, Oxford OX1 3LB, UK. maini@maths.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17138885" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Body Patterning ; Diffusion ; Hair Follicle/*growth & development/metabolism ; Intercellular Signaling Peptides and Proteins/*metabolism ; Mathematics ; Mice ; *Models, Biological ; Signal Transduction ; Wnt Proteins/*metabolism
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  • 5
    Publication Date: 2009-01-10
    Description: Cytokines such as interleukin-6 induce tyrosine and serine phosphorylation of Stat3 that results in activation of Stat3-responsive genes. We provide evidence that Stat3 is present in the mitochondria of cultured cells and primary tissues, including the liver and heart. In Stat3(-/-) cells, the activities of complexes I and II of the electron transport chain (ETC) were significantly decreased. We identified Stat3 mutants that selectively restored the protein's function as a transcription factor or its functions within the ETC. In mice that do not express Stat3 in the heart, there were also selective defects in the activities of complexes I and II of the ETC. These data indicate that Stat3 is required for optimal function of the ETC, which may allow it to orchestrate responses to cellular homeostasis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2758306/" 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/PMC2758306/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wegrzyn, Joanna -- Potla, Ramesh -- Chwae, Yong-Joon -- Sepuri, Naresh B V -- Zhang, Qifang -- Koeck, Thomas -- Derecka, Marta -- Szczepanek, Karol -- Szelag, Magdalena -- Gornicka, Agnieszka -- Moh, Akira -- Moghaddas, Shadi -- Chen, Qun -- Bobbili, Santha -- Cichy, Joanna -- Dulak, Jozef -- Baker, Darren P -- Wolfman, Alan -- Stuehr, Dennis -- Hassan, Medhat O -- Fu, Xin-Yuan -- Avadhani, Narayan -- Drake, Jennifer I -- Fawcett, Paul -- Lesnefsky, Edward J -- Larner, Andrew C -- CA098924/CA/NCI NIH HHS/ -- P01AG15885/AG/NIA NIH HHS/ -- R01 AI059710/AI/NIAID NIH HHS/ -- R01 AI059710-03/AI/NIAID NIH HHS/ -- R01 AI059710-04/AI/NIAID NIH HHS/ -- R01 CA098924/CA/NCI NIH HHS/ -- R01 CA098924-03/CA/NCI NIH HHS/ -- R01 CA098924-04/CA/NCI NIH HHS/ -- R01 CA098924-05/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):793-7. doi: 10.1126/science.1164551. Epub 2009 Jan 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology and Massey Cancer Center, Virginia Commonwealth University, Richmond, VA 23298, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19131594" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Respiration ; Cells, Cultured ; Electron Transport Complex I/metabolism ; Electron Transport Complex II/metabolism ; Homeostasis ; Mice ; Mitochondria/*metabolism ; Mitochondria, Heart/metabolism ; Mitochondria, Liver/metabolism ; Mitochondrial Membranes/metabolism ; NADH, NADPH Oxidoreductases/metabolism ; Oxidative Phosphorylation ; Phosphorylation ; Precursor Cells, B-Lymphoid/metabolism ; STAT3 Transcription Factor/chemistry/*metabolism ; Serine/metabolism ; Signal Transduction
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  • 6
    Publication Date: 2011-11-15
    Description: The structure of BPSL1549, a protein of unknown function from Burkholderia pseudomallei, reveals a similarity to Escherichia coli cytotoxic necrotizing factor 1. We found that BPSL1549 acted as a potent cytotoxin against eukaryotic cells and was lethal when administered to mice. Expression levels of bpsl1549 correlate with conditions expected to promote or suppress pathogenicity. BPSL1549 promotes deamidation of glutamine-339 of the translation initiation factor eIF4A, abolishing its helicase activity and inhibiting translation. We propose to name BPSL1549 Burkholderia lethal factor 1.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3364511/" 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/PMC3364511/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cruz-Migoni, Abimael -- Hautbergue, Guillaume M -- Artymiuk, Peter J -- Baker, Patrick J -- Bokori-Brown, Monika -- Chang, Chung-Te -- Dickman, Mark J -- Essex-Lopresti, Angela -- Harding, Sarah V -- Mahadi, Nor Muhammad -- Marshall, Laura E -- Mobbs, George W -- Mohamed, Rahmah -- Nathan, Sheila -- Ngugi, Sarah A -- Ong, Catherine -- Ooi, Wen Fong -- Partridge, Lynda J -- Phillips, Helen L -- Raih, M Firdaus -- Ruzheinikov, Sergei -- Sarkar-Tyson, Mitali -- Sedelnikova, Svetlana E -- Smither, Sophie J -- Tan, Patrick -- Titball, Richard W -- Wilson, Stuart A -- Rice, David W -- 085162/Wellcome Trust/United Kingdom -- BB/D011795/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/D524975/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/E025293/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- WT085162AIA/Wellcome Trust/United Kingdom -- Biotechnology and Biological Sciences Research Council/United Kingdom -- New York, N.Y. -- Science. 2011 Nov 11;334(6057):821-4. doi: 10.1126/science.1211915.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and Biotechnology, Krebs Institute, University of Sheffield, Sheffield S10 2TN, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22076380" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Animals ; Bacterial Proteins/*chemistry/genetics/metabolism/*toxicity ; Bacterial Toxins/*chemistry/genetics/metabolism/*toxicity ; Burkholderia pseudomallei/*chemistry/*pathogenicity ; Catalytic Domain ; Cell Line ; Crystallography, X-Ray ; Cytotoxins/chemistry/genetics/metabolism/toxicity ; Escherichia coli Proteins/chemistry ; Eukaryotic Initiation Factor-4A/*antagonists & inhibitors/metabolism ; Glutamine/metabolism ; Humans ; Mice ; Mice, Inbred BALB C ; Models, Molecular ; Mutant Proteins/toxicity ; Peptide Chain Initiation, Translational/drug effects ; Protein Binding ; Protein Conformation ; Protein Structure, Secondary ; Protein Structure, Tertiary
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  • 7
    Publication Date: 2011-04-09
    Description: Cytotoxic T lymphocyte antigen 4 (CTLA-4) is an essential negative regulator of T cell immune responses whose mechanism of action is the subject of debate. CTLA-4 shares two ligands (CD80 and CD86) with a stimulatory receptor, CD28. Here, we show that CTLA-4 can capture its ligands from opposing cells by a process of trans-endocytosis. After removal, these costimulatory ligands are degraded inside CTLA-4-expressing cells, resulting in impaired costimulation via CD28. Acquisition of CD86 from antigen-presenting cells is stimulated by T cell receptor engagement and observed in vitro and in vivo. These data reveal a mechanism of immune regulation in which CTLA-4 acts as an effector molecule to inhibit CD28 costimulation by the cell-extrinsic depletion of ligands, accounting for many of the known features of the CD28-CTLA-4 system.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3198051/" 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/PMC3198051/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Qureshi, Omar S -- Zheng, Yong -- Nakamura, Kyoko -- Attridge, Kesley -- Manzotti, Claire -- Schmidt, Emily M -- Baker, Jennifer -- Jeffery, Louisa E -- Kaur, Satdip -- Briggs, Zoe -- Hou, Tie Z -- Futter, Clare E -- Anderson, Graham -- Walker, Lucy S K -- Sansom, David M -- 17851/Arthritis Research UK/United Kingdom -- BB/D011000/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/H013598/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- G0400931/Medical Research Council/United Kingdom -- G0401620/Medical Research Council/United Kingdom -- G0802382/Medical Research Council/United Kingdom -- G1000213/Medical Research Council/United Kingdom -- G9818340/Medical Research Council/United Kingdom -- Arthritis Research UK/United Kingdom -- Biotechnology and Biological Sciences Research Council/United Kingdom -- Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2011 Apr 29;332(6029):600-3. doi: 10.1126/science.1202947. Epub 2011 Apr 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council (MRC) Centre for Immune Regulation, School of Immunity and Infection, Institute of Biomedical Research, University of Birmingham Medical School, Birmingham B15 2TT, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21474713" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD/*immunology/metabolism ; Antigens, CD28/*immunology ; Antigens, CD80/*immunology/metabolism ; Antigens, CD86/*immunology/metabolism ; CHO Cells ; CTLA-4 Antigen ; Cricetinae ; Cricetulus ; Dendritic Cells/immunology ; *Endocytosis ; Humans ; Jurkat Cells ; Ligands ; Lymphocyte Activation ; Mice ; Mice, Transgenic ; Models, Biological ; Ovalbumin/immunology ; Receptors, Antigen, T-Cell/immunology ; Recombinant Fusion Proteins/metabolism ; T-Lymphocyte Subsets/*immunology/metabolism ; T-Lymphocytes, Regulatory/immunology/metabolism
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  • 8
    Publication Date: 2003-11-01
    Description: Because of its requirement for signaling by multiple cytokines, Janus kinase 3 (JAK3) is an excellent target for clinical immunosuppression. We report the development of a specific, orally active inhibitor of JAK3, CP-690,550, that significantly prolonged survival in a murine model of heart transplantation and in cynomolgus monkeys receiving kidney transplants. CP-690,550 treatment was not associated with hypertension, hyperlipidemia, or lymphoproliferative disease. On the basis of these preclinical results, we believe JAK3 blockade by CP-690,550 has potential for therapeutically desirable immunosuppression in human organ transplantation and in other clinical settings.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Changelian, Paul S -- Flanagan, Mark E -- Ball, Douglas J -- Kent, Craig R -- Magnuson, Kelly S -- Martin, William H -- Rizzuti, Bonnie J -- Sawyer, Perry S -- Perry, Bret D -- Brissette, William H -- McCurdy, Sandra P -- Kudlacz, Elizabeth M -- Conklyn, Maryrose J -- Elliott, Eileen A -- Koslov, Erika R -- Fisher, Michael B -- Strelevitz, Timothy J -- Yoon, Kwansik -- Whipple, David A -- Sun, Jianmin -- Munchhof, Michael J -- Doty, John L -- Casavant, Jeffrey M -- Blumenkopf, Todd A -- Hines, Michael -- Brown, Matthew F -- Lillie, Brett M -- Subramanyam, Chakrapani -- Shang-Poa, Chang -- Milici, Anthony J -- Beckius, Gretchen E -- Moyer, James D -- Su, Chunyan -- Woodworth, Thasia G -- Gaweco, Anderson S -- Beals, Chan R -- Littman, Bruce H -- Fisher, Douglas A -- Smith, James F -- Zagouras, Panayiotis -- Magna, Holly A -- Saltarelli, Mary J -- Johnson, Kimberly S -- Nelms, Linda F -- Des Etages, Shelley G -- Hayes, Lisa S -- Kawabata, Thomas T -- Finco-Kent, Deborah -- Baker, Deanna L -- Larson, Michael -- Si, Ming-Sing -- Paniagua, Ricardo -- Higgins, John -- Holm, Bari -- Reitz, Bruce -- Zhou, Yong-Jie -- Morris, Randall E -- O'Shea, John J -- Borie, Dominic C -- New York, N.Y. -- Science. 2003 Oct 31;302(5646):875-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Immunology Group, Department of Antibacterials and Immunology, Pfizer Global Researchand Development, Groton, CT 06340, USA. paul_s_changelian@groton.pfizer.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14593182" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Enzyme Inhibitors/administration & dosage/pharmacology/therapeutic use/toxicity ; Gene Expression Regulation/drug effects ; Graft Rejection/*prevention & control ; Graft Survival/drug effects ; *Heart Transplantation ; Humans ; Immunosuppressive Agents/administration & dosage/*pharmacology/therapeutic ; use/toxicity ; Interleukin-2/immunology ; Janus Kinase 3 ; *Kidney Transplantation ; Lymphocyte Activation/drug effects ; Lymphocyte Count ; Lymphocyte Culture Test, Mixed ; Lymphocyte Subsets/drug effects ; Macaca fascicularis ; Mice ; Mice, Inbred C57BL ; Mice, Inbred DBA ; Myocardium/metabolism ; Piperidines ; Protein-Tyrosine Kinases/*antagonists & inhibitors/metabolism ; Pyrimidines/administration & dosage/*pharmacology/therapeutic use/toxicity ; Pyrroles/administration & dosage/*pharmacology/therapeutic use/toxicity ; Transplantation, Heterotopic ; Transplantation, Homologous ; Tumor Cells, Cultured
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  • 9
    Publication Date: 1995-07-28
    Description: C57BL/6J mice with a mutation in the obese (ob) gene are obese, diabetic, and exhibit reduced activity, metabolism, and body temperature. Daily intraperitoneal injection of these mice with recombinant OB protein lowered their body weight, percent body fat, food intake, and serum concentrations of glucose and insulin. In addition, metabolic rate, body temperature, and activity levels were increased by this treatment. None of these parameters was altered beyond the level observed in lean controls, suggesting that the OB protein normalized the metabolic status of the ob/ob mice. Lean animals injected with OB protein maintained a smaller weight loss throughout the 28-day study and showed no changes in any of the metabolic parameters. These data suggest that the OB protein regulates body weight and fat deposition through effects on metabolism and appetite.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pelleymounter, M A -- Cullen, M J -- Baker, M B -- Hecht, R -- Winters, D -- Boone, T -- Collins, F -- New York, N.Y. -- Science. 1995 Jul 28;269(5223):540-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Amgen, Inc., Thousand Oaks, CA 91320, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7624776" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/drug effects ; Analysis of Variance ; Animals ; Blood Glucose/analysis ; Body Composition/drug effects ; Body Temperature/drug effects ; Dose-Response Relationship, Drug ; Drinking/drug effects ; Eating/*drug effects ; Energy Metabolism/drug effects ; Female ; Insulin/blood ; Leptin ; Mice ; Mice, Inbred C57BL ; Mice, Obese ; Motor Activity/drug effects ; Obesity/genetics/*physiopathology ; Oxygen Consumption/drug effects ; Proteins/genetics/*pharmacology ; Recombinant Proteins/pharmacology ; Weight Loss/*drug effects
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  • 10
    Publication Date: 2008-09-20
    Description: FtsZ is an essential bacterial guanosine triphosphatase and homolog of mammalian beta-tubulin that polymerizes and assembles into a ring to initiate cell division. We have created a class of small synthetic antibacterials, exemplified by PC190723, which inhibits FtsZ and prevents cell division. PC190723 has potent and selective in vitro bactericidal activity against staphylococci, including methicillin- and multi-drug-resistant Staphylococcus aureus. The putative inhibitor-binding site of PC190723 was mapped to a region of FtsZ that is analogous to the Taxol-binding site of tubulin. PC190723 was efficacious in an in vivo model of infection, curing mice infected with a lethal dose of S. aureus. The data validate FtsZ as a target for antibacterial intervention and identify PC190723 as suitable for optimization into a new anti-staphylococcal therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Haydon, David J -- Stokes, Neil R -- Ure, Rebecca -- Galbraith, Greta -- Bennett, James M -- Brown, David R -- Baker, Patrick J -- Barynin, Vladimir V -- Rice, David W -- Sedelnikova, Sveta E -- Heal, Jonathan R -- Sheridan, Joseph M -- Aiwale, Sachin T -- Chauhan, Pramod K -- Srivastava, Anil -- Taneja, Amit -- Collins, Ian -- Errington, Jeff -- Czaplewski, Lloyd G -- Biotechnology and Biological Sciences Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2008 Sep 19;321(5896):1673-5. doi: 10.1126/science.1159961.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Prolysis, Begbroke Science Park, Oxfordshire OX5 1PF, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18801997" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Anti-Bacterial Agents/*pharmacology/therapeutic use ; Bacillus subtilis/chemistry/*drug effects/genetics ; Bacterial Proteins/*antagonists & inhibitors/chemistry/genetics/metabolism ; Binding Sites ; Cell Division/drug effects ; Crystallography, X-Ray ; Cytoskeletal Proteins/*antagonists & inhibitors/chemistry/genetics/metabolism ; Drug Resistance, Bacterial/genetics ; Drug Resistance, Multiple, Bacterial ; Ligands ; Methicillin Resistance ; Mice ; Microbial Sensitivity Tests ; Models, Molecular ; Molecular Sequence Data ; Mutation ; Protein Conformation ; Pyridines/chemistry/metabolism/*pharmacology/therapeutic use ; Staphylococcal Infections/*drug therapy ; Staphylococcus aureus/chemistry/*drug effects ; Thiazoles/chemistry/metabolism/*pharmacology/therapeutic use ; Tubulin/chemistry/metabolism
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