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Ribosomal protein SA haploinsufficiency in humans with isolated congenital asplenia (2013)

A. Bolze ; N. Mahlaoui ; M. Byun ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 340(6135): 976-8. doi: 10.1126/science.1234864.

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Publikationsdatum: 2013-04-13

Beschreibung: Isolated congenital asplenia (ICA) is characterized by the absence of a spleen at birth in individuals with no other developmental defects. The patients are prone to life-threatening bacterial infections. The unbiased analysis of exomes revealed heterozygous mutations in RPSA in 18 patients from eight kindreds, corresponding to more than half the patients and over one-third of the kindreds studied. The clinical penetrance in these kindreds is complete. Expression studies indicated that the mutations carried by the patients-a nonsense mutation, a frameshift duplication, and five different missense mutations-cause autosomal dominant ICA by haploinsufficiency. RPSA encodes ribosomal protein SA, a component of the small subunit of the ribosome. This discovery establishes an essential role for RPSA in human spleen development.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3677541/" 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/PMC3677541/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bolze, Alexandre -- Mahlaoui, Nizar -- Byun, Minji -- Turner, Bridget -- Trede, Nikolaus -- Ellis, Steven R -- Abhyankar, Avinash -- Itan, Yuval -- Patin, Etienne -- Brebner, Samuel -- Sackstein, Paul -- Puel, Anne -- Picard, Capucine -- Abel, Laurent -- Quintana-Murci, Lluis -- Faust, Saul N -- Williams, Anthony P -- Baretto, Richard -- Duddridge, Michael -- Kini, Usha -- Pollard, Andrew J -- Gaud, Catherine -- Frange, Pierre -- Orbach, Daniel -- Emile, Jean-Francois -- Stephan, Jean-Louis -- Sorensen, Ricardo -- Plebani, Alessandro -- Hammarstrom, Lennart -- Conley, Mary Ellen -- Selleri, Licia -- Casanova, Jean-Laurent -- 8UL1TR000043/TR/NCATS NIH HHS/ -- R01 HD061403/HD/NICHD NIH HHS/ -- R01HD061403/HD/NICHD NIH HHS/ -- UL1 TR000043/TR/NCATS NIH HHS/ -- New York, N.Y. -- Science. 2013 May 24;340(6135):976-8. doi: 10.1126/science.1234864. Epub 2013 Apr 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller University, New York, NY 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23579497" target="_blank"〉PubMed〈/a〉

Schlagwort(e): DNA Mutational Analysis ; Genetic Loci ; *Haploinsufficiency ; Heterotaxy Syndrome/*genetics ; Humans ; Mutation ; Pedigree ; Penetrance ; Receptors, Laminin/*genetics ; Ribosomal Proteins/*genetics ; Spleen/*abnormalities/growth & development

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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H7N9 influenza viruses are transmissible in ferrets by respiratory droplet (2013)

Q. Zhang ; J. Shi ; G. Deng ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 341(6144): 410-4. doi: 10.1126/science.1240532.

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Publikationsdatum: 2013-07-23

Beschreibung: A newly emerged H7N9 virus has caused 132 human infections with 37 deaths in China since 18 February 2013. Control measures in H7N9 virus-positive live poultry markets have reduced the number of infections; however, the character of the virus, including its pandemic potential, remains largely unknown. We systematically analyzed H7N9 viruses isolated from birds and humans. The viruses were genetically closely related and bound to human airway receptors; some also maintained the ability to bind to avian airway receptors. The viruses isolated from birds were nonpathogenic in chickens, ducks, and mice; however, the viruses isolated from humans caused up to 30% body weight loss in mice. Most importantly, one virus isolated from humans was highly transmissible in ferrets by respiratory droplet. Our findings indicate nothing to reduce the concern that these viruses can transmit between humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Qianyi -- Shi, Jianzhong -- Deng, Guohua -- Guo, Jing -- Zeng, Xianying -- He, Xijun -- Kong, Huihui -- Gu, Chunyang -- Li, Xuyong -- Liu, Jinxiong -- Wang, Guojun -- Chen, Yan -- Liu, Liling -- Liang, Libin -- Li, Yuanyuan -- Fan, Jun -- Wang, Jinliang -- Li, Wenhui -- Guan, Lizheng -- Li, Qimeng -- Yang, Huanliang -- Chen, Pucheng -- Jiang, Li -- Guan, Yuntao -- Xin, Xiaoguang -- Jiang, Yongping -- Tian, Guobin -- Wang, Xiurong -- Qiao, Chuanling -- Li, Chengjun -- Bu, Zhigao -- Chen, Hualan -- New York, N.Y. -- Science. 2013 Jul 26;341(6144):410-4. doi: 10.1126/science.1240532. Epub 2013 Jul 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150001, People's Republic of China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23868922" target="_blank"〉PubMed〈/a〉

Schlagwort(e): Animals ; Chickens/virology ; Columbidae/virology ; Ducks/virology ; Ferrets/*virology ; Genes, Viral ; Hemagglutinin Glycoproteins, Influenza Virus/chemistry/genetics/metabolism ; Humans ; Influenza A virus/genetics/isolation & purification/*pathogenicity/physiology ; Influenza in Birds/virology ; Influenza, Human/*transmission/*virology ; Mice ; Mice, Inbred BALB C ; Molecular Sequence Data ; Mutation ; Orthomyxoviridae Infections/*transmission/*virology ; Receptors, Cell Surface/metabolism ; Receptors, Virus/metabolism ; Respiratory System/*virology ; Virus Replication

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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Dysregulated humoral immunity to nontyphoidal Salmonella in HIV-infected African adults (2010)

C. A. MacLennan ; J. J. Gilchrist ; M. A. Gordon ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 328(5977): 508-12. doi: 10.1126/science.1180346.

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Publikationsdatum: 2010-04-24

Beschreibung: Nontyphoidal Salmonellae are a major cause of life-threatening bacteremia among HIV-infected individuals. Although cell-mediated immunity controls intracellular infection, antibodies protect against Salmonella bacteremia. We report that high-titer antibodies specific for Salmonella lipopolysaccharide (LPS) are associated with a lack of Salmonella-killing in HIV-infected African adults. Killing was restored by genetically shortening LPS from the target Salmonella or removing LPS-specific antibodies from serum. Complement-mediated killing of Salmonella by healthy serum is shown to be induced specifically by antibodies against outer membrane proteins. This killing is lost when excess antibody against Salmonella LPS is added. Thus, our study indicates that impaired immunity against nontyphoidal Salmonella bacteremia in HIV infection results from excess inhibitory antibodies against Salmonella LPS, whereas serum killing of Salmonella is induced by antibodies against outer membrane proteins.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3772309/" 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/PMC3772309/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉MacLennan, Calman A -- Gilchrist, James J -- Gordon, Melita A -- Cunningham, Adam F -- Cobbold, Mark -- Goodall, Margaret -- Kingsley, Robert A -- van Oosterhout, Joep J G -- Msefula, Chisomo L -- Mandala, Wilson L -- Leyton, Denisse L -- Marshall, Jennifer L -- Gondwe, Esther N -- Bobat, Saeeda -- Lopez-Macias, Constantino -- Doffinger, Rainer -- Henderson, Ian R -- Zijlstra, Eduard E -- Dougan, Gordon -- Drayson, Mark T -- MacLennan, Ian C M -- Molyneux, Malcolm E -- 067321/Wellcome Trust/United Kingdom -- BB/F022778/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- G0701275/Medical Research Council/United Kingdom -- G108/574/Medical Research Council/United Kingdom -- G8402371/Medical Research Council/United Kingdom -- G9818340/Medical Research Council/United Kingdom -- Biotechnology and Biological Sciences Research Council/United Kingdom -- Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2010 Apr 23;328(5977):508-12. doi: 10.1126/science.1180346.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council Centre for Immune Regulation and Clinical Immunology Service, Institute of Biomedical Research, School of Immunity and Infection, University of Birmingham, Birmingham, UK. c.maclennan@bham.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20413503" target="_blank"〉PubMed〈/a〉

Schlagwort(e): AIDS-Related Opportunistic Infections/immunology ; Adult ; Animals ; Antibodies, Bacterial/blood/*immunology ; Antibodies, Blocking/blood/*immunology ; Bacteremia/immunology ; Bacterial Outer Membrane Proteins/*immunology ; Complement Activation ; Disease Susceptibility ; HIV Infections/complications/*immunology ; Humans ; Immunoglobulin G/blood/immunology ; Lipopolysaccharides/blood/*immunology ; Malawi ; Mice ; Mutation ; O Antigens/*immunology ; Salmonella Infections/*immunology ; Salmonella typhimurium/genetics/*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)

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ATP-binding cassette transporters and HDL suppress hematopoietic stem cell proliferation (2010)

L. Yvan-Charvet ; T. Pagler ; E. L. Gautier ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 328(5986): 1689-93. doi: 10.1126/science.1189731.

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Publikationsdatum: 2010-05-22

Beschreibung: Elevated leukocyte cell numbers (leukocytosis), and monocytes in particular, promote atherosclerosis; however, how they become increased is poorly understood. Mice deficient in the adenosine triphosphate-binding cassette (ABC) transporters ABCA1 and ABCG1, which promote cholesterol efflux from macrophages and suppress atherosclerosis in hypercholesterolemic mice, displayed leukocytosis, a transplantable myeloproliferative disorder, and a dramatic expansion of the stem and progenitor cell population containing Lin(-)Sca-1(+)Kit+ (LSK) in the bone marrow. Transplantation of Abca1(-/-) Abcg1(-/-) bone marrow into apolipoprotein A-1 transgenic mice with elevated levels of high-density lipoprotein (HDL) suppressed the LSK population, reduced leukocytosis, reversed the myeloproliferative disorder, and accelerated atherosclerosis. The findings indicate that ABCA1, ABCG1, and HDL inhibit the proliferation of hematopoietic stem and multipotential progenitor cells and connect expansion of these populations with leukocytosis and accelerated atherosclerosis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3032591/" 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/PMC3032591/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yvan-Charvet, Laurent -- Pagler, Tamara -- Gautier, Emmanuel L -- Avagyan, Serine -- Siry, Read L -- Han, Seongah -- Welch, Carrie L -- Wang, Nan -- Randolph, Gwendalyn J -- Snoeck, Hans W -- Tall, Alan R -- HL54591/HL/NHLBI NIH HHS/ -- R01 AG029626/AG/NIA NIH HHS/ -- R01 AI049653/AI/NIAID NIH HHS/ -- R01 AI049653-09/AI/NIAID NIH HHS/ -- R01 AI049653-10/AI/NIAID NIH HHS/ -- R01 AI061741/AI/NIAID NIH HHS/ -- R01 AI061741-03/AI/NIAID NIH HHS/ -- R01 AI061741-04/AI/NIAID NIH HHS/ -- R01A1061741/PHS HHS/ -- R01AG016327/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2010 Jun 25;328(5986):1689-93. doi: 10.1126/science.1189731. Epub 2010 May 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Molecular Medicine, Department of Medicine, Columbia University, New York, NY 10032, USA. ly2159@columbia.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20488992" target="_blank"〉PubMed〈/a〉

Schlagwort(e): ATP Binding Cassette Transporter 1 ; ATP-Binding Cassette Transporters/genetics/*metabolism ; Animals ; Apolipoprotein A-I/genetics/metabolism ; Atherosclerosis/metabolism/*physiopathology/therapy ; Bone Marrow Transplantation ; Cell Proliferation ; Cells, Cultured ; Cholesterol/*metabolism ; Hematopoietic Stem Cells/*physiology ; Hypercholesterolemia/metabolism ; Leukocytosis/metabolism/*physiopathology/therapy ; Lipoproteins/genetics/*metabolism ; Lipoproteins, HDL/*metabolism ; Macrophages/metabolism ; Mice ; Mice, Inbred C57BL ; Mice, Inbred DBA ; Mice, Transgenic ; Multipotent Stem Cells/physiology ; Myeloid Progenitor Cells/*physiology ; Myeloproliferative Disorders/metabolism/physiopathology/therapy ; Phenotype ; Receptors, Granulocyte-Macrophage Colony-Stimulating Factor/metabolism ; Receptors, Interleukin-3/metabolism ; Signal Transduction

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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The genetic landscape of a cell (2010)

M. Costanzo ; A. Baryshnikova ; J. Bellay ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 327(5964): 425-31. doi: 10.1126/science.1180823.

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Publikationsdatum: 2010-01-23

Beschreibung: A genome-scale genetic interaction map was constructed by examining 5.4 million gene-gene pairs for synthetic genetic interactions, generating quantitative genetic interaction profiles for approximately 75% of all genes in the budding yeast, Saccharomyces cerevisiae. A network based on genetic interaction profiles reveals a functional map of the cell in which genes of similar biological processes cluster together in coherent subsets, and highly correlated profiles delineate specific pathways to define gene function. The global network identifies functional cross-connections between all bioprocesses, mapping a cellular wiring diagram of pleiotropy. Genetic interaction degree correlated with a number of different gene attributes, which may be informative about genetic network hubs in other organisms. We also demonstrate that extensive and unbiased mapping of the genetic landscape provides a key for interpretation of chemical-genetic interactions and drug target identification.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Costanzo, Michael -- Baryshnikova, Anastasia -- Bellay, Jeremy -- Kim, Yungil -- Spear, Eric D -- Sevier, Carolyn S -- Ding, Huiming -- Koh, Judice L Y -- Toufighi, Kiana -- Mostafavi, Sara -- Prinz, Jeany -- St Onge, Robert P -- VanderSluis, Benjamin -- Makhnevych, Taras -- Vizeacoumar, Franco J -- Alizadeh, Solmaz -- Bahr, Sondra -- Brost, Renee L -- Chen, Yiqun -- Cokol, Murat -- Deshpande, Raamesh -- Li, Zhijian -- Lin, Zhen-Yuan -- Liang, Wendy -- Marback, Michaela -- Paw, Jadine -- San Luis, Bryan-Joseph -- Shuteriqi, Ermira -- Tong, Amy Hin Yan -- van Dyk, Nydia -- Wallace, Iain M -- Whitney, Joseph A -- Weirauch, Matthew T -- Zhong, Guoqing -- Zhu, Hongwei -- Houry, Walid A -- Brudno, Michael -- Ragibizadeh, Sasan -- Papp, Balazs -- Pal, Csaba -- Roth, Frederick P -- Giaever, Guri -- Nislow, Corey -- Troyanskaya, Olga G -- Bussey, Howard -- Bader, Gary D -- Gingras, Anne-Claude -- Morris, Quaid D -- Kim, Philip M -- Kaiser, Chris A -- Myers, Chad L -- Andrews, Brenda J -- Boone, Charles -- 084314/Wellcome Trust/United Kingdom -- GSP-41567/Canadian Institutes of Health Research/Canada -- R01 HG003224/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2010 Jan 22;327(5964):425-31. doi: 10.1126/science.1180823.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Banting and Best Department of Medical Research, Terrence Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario M5S 3E1, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20093466" target="_blank"〉PubMed〈/a〉

Schlagwort(e): Computational Biology ; Gene Duplication ; Gene Expression Regulation, Fungal ; *Gene Regulatory Networks ; Genes, Fungal ; Genetic Fitness ; *Genome, Fungal ; Metabolic Networks and Pathways ; Mutation ; Protein Interaction Mapping ; Saccharomyces cerevisiae/*genetics/*metabolism/physiology ; Saccharomyces cerevisiae Proteins/genetics/*metabolism

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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Influence of HLA-C expression level on HIV control (2013)

R. Apps ; Y. Qi ; J. M. Carlson ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 340(6128): 87-91. doi: 10.1126/science.1232685.

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Publikationsdatum: 2013-04-06

Beschreibung: A variant upstream of human leukocyte antigen C (HLA-C) shows the most significant genome-wide effect on HIV control in European Americans and is also associated with the level of HLA-C expression. We characterized the differential cell surface expression levels of all common HLA-C allotypes and tested directly for effects of HLA-C expression on outcomes of HIV infection in 5243 individuals. Increasing HLA-C expression was associated with protection against multiple outcomes independently of individual HLA allelic effects in both African and European Americans, regardless of their distinct HLA-C frequencies and linkage relationships with HLA-B and HLA-A. Higher HLA-C expression was correlated with increased likelihood of cytotoxic T lymphocyte responses and frequency of viral escape mutation. In contrast, high HLA-C expression had a deleterious effect in Crohn's disease, suggesting a broader influence of HLA expression levels in human disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3784322/" 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/PMC3784322/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Apps, Richard -- Qi, Ying -- Carlson, Jonathan M -- Chen, Haoyan -- Gao, Xiaojiang -- Thomas, Rasmi -- Yuki, Yuko -- Del Prete, Greg Q -- Goulder, Philip -- Brumme, Zabrina L -- Brumme, Chanson J -- John, Mina -- Mallal, Simon -- Nelson, George -- Bosch, Ronald -- Heckerman, David -- Stein, Judy L -- Soderberg, Kelly A -- Moody, M Anthony -- Denny, Thomas N -- Zeng, Xue -- Fang, Jingyuan -- Moffett, Ashley -- Lifson, Jeffrey D -- Goedert, James J -- Buchbinder, Susan -- Kirk, Gregory D -- Fellay, Jacques -- McLaren, Paul -- Deeks, Steven G -- Pereyra, Florencia -- Walker, Bruce -- Michael, Nelson L -- Weintrob, Amy -- Wolinsky, Steven -- Liao, Wilson -- Carrington, Mary -- 5-M01-RR-00722/RR/NCRR NIH HHS/ -- HHSN261200800001E/CA/NCI NIH HHS/ -- HHSN261200800001E/PHS HHS/ -- K08 AR057763/AR/NIAMS NIH HHS/ -- K08AR057763/AR/NIAMS NIH HHS/ -- K24 AI069994/AI/NIAID NIH HHS/ -- K24AI069994/AI/NIAID NIH HHS/ -- N02-CP-55504/CP/NCI NIH HHS/ -- P30 AI027763/AI/NIAID NIH HHS/ -- P30 AI027767/AI/NIAID NIH HHS/ -- P30 AI027767-24/AI/NIAID NIH HHS/ -- P30 MH62246/MH/NIMH NIH HHS/ -- PG/09/077/27964/British Heart Foundation/United Kingdom -- R01 AI046995/AI/NIAID NIH HHS/ -- R01 AI060460/AI/NIAID NIH HHS/ -- R01 AI087145/AI/NIAID NIH HHS/ -- R01 AR065174/AR/NIAMS NIH HHS/ -- R01-AI046995/AI/NIAID NIH HHS/ -- R01-AI060460/AI/NIAID NIH HHS/ -- R01-DA-04334/DA/NIDA NIH HHS/ -- R01-DA-12568/DA/NIDA NIH HHS/ -- R01-DA04334/DA/NIDA NIH HHS/ -- R01-DA12568/DA/NIDA NIH HHS/ -- R24 AI067039/AI/NIAID NIH HHS/ -- U01-AI-067854/AI/NIAID NIH HHS/ -- U01-AI-35039/AI/NIAID NIH HHS/ -- U01-AI-35040/AI/NIAID NIH HHS/ -- U01-AI-35041/AI/NIAID NIH HHS/ -- U01-AI-35042/AI/NIAID NIH HHS/ -- U01-AI-35043/AI/NIAID NIH HHS/ -- U01-AI-37613/AI/NIAID NIH HHS/ -- U01-AI-37984/AI/NIAID NIH HHS/ -- UL1 RR024131/RR/NCRR NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2013 Apr 5;340(6128):87-91. doi: 10.1126/science.1232685.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer and Inflammation Program, Laboratory of Experimental Immunology, Science Applications International Corporation-Frederick, Inc., Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23559252" target="_blank"〉PubMed〈/a〉

Schlagwort(e): African Americans/genetics ; Alleles ; Amino Acid Sequence ; Anti-Retroviral Agents/therapeutic use ; Crohn Disease/genetics/immunology ; *Gene Expression Regulation ; HIV/genetics/*immunology ; HIV Infections/drug therapy/*genetics/*immunology ; HLA-C Antigens/*genetics ; Humans ; Immunodominant Epitopes/genetics ; Molecular Sequence Data ; Mutation ; Peptide Fragments/immunology ; Polymorphism, Single Nucleotide ; T-Lymphocytes, Cytotoxic/*immunology ; Viral Load/genetics

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Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik

Publiziert von American Association for the Advancement of Science (AAAS)

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Altered histone acetylation is associated with age-dependent memory impairment in mice (2010)

S. Peleg ; F. Sananbenesi ; A. Zovoilis ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 328(5979): 753-6. doi: 10.1126/science.1186088.

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Publikationsdatum: 2010-05-08

Beschreibung: As the human life span increases, the number of people suffering from cognitive decline is rising dramatically. The mechanisms underlying age-associated memory impairment are, however, not understood. Here we show that memory disturbances in the aging brain of the mouse are associated with altered hippocampal chromatin plasticity. During learning, aged mice display a specific deregulation of histone H4 lysine 12 (H4K12) acetylation and fail to initiate a hippocampal gene expression program associated with memory consolidation. Restoration of physiological H4K12 acetylation reinstates the expression of learning-induced genes and leads to the recovery of cognitive abilities. Our data suggest that deregulated H4K12 acetylation may represent an early biomarker of an impaired genome-environment interaction in the aging mouse brain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Peleg, Shahaf -- Sananbenesi, Farahnaz -- Zovoilis, Athanasios -- Burkhardt, Susanne -- Bahari-Javan, Sanaz -- Agis-Balboa, Roberto Carlos -- Cota, Perla -- Wittnam, Jessica Lee -- Gogol-Doering, Andreas -- Opitz, Lennart -- Salinas-Riester, Gabriella -- Dettenhofer, Markus -- Kang, Hui -- Farinelli, Laurent -- Chen, Wei -- Fischer, Andre -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2010 May 7;328(5979):753-6. doi: 10.1126/science.1186088.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Aging and Cognitive Diseases, European Neuroscience Institute, Grisebach Str. 5, D-37077 Goettingen, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20448184" target="_blank"〉PubMed〈/a〉

Schlagwort(e): Acetylation ; Aging/*genetics ; Animals ; Chromatin/metabolism ; *Chromatin Assembly and Disassembly ; Conditioning (Psychology) ; Epigenesis, Genetic ; Fear ; Gene Expression Profiling ; *Gene Expression Regulation ; Hippocampus/*metabolism ; Histone Deacetylase Inhibitors/metabolism/pharmacology ; Histones/*metabolism ; Hydroxamic Acids/pharmacology ; Learning/drug effects ; Lysine/metabolism ; Memory/drug effects ; Memory Disorders/*genetics/metabolism ; Mice ; Mice, Inbred C57BL ; Microfilament Proteins/genetics/metabolism ; Nuclear Proteins/genetics/metabolism ; Signal Transduction ; Transcription Initiation Site ; Transcription, Genetic ; Up-Regulation

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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Analysis of genetic inheritance in a family quartet by whole-genome sequencing (2010)

J. C. Roach ; G. Glusman ; A. F. Smit ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 328(5978): 636-9. doi: 10.1126/science.1186802.

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Publikationsdatum: 2010-03-12

Beschreibung: We analyzed the whole-genome sequences of a family of four, consisting of two siblings and their parents. Family-based sequencing allowed us to delineate recombination sites precisely, identify 70% of the sequencing errors (resulting in 〉 99.999% accuracy), and identify very rare single-nucleotide polymorphisms. We also directly estimated a human intergeneration mutation rate of approximately 1.1 x 10(-8) per position per haploid genome. Both offspring in this family have two recessive disorders: Miller syndrome, for which the gene was concurrently identified, and primary ciliary dyskinesia, for which causative genes have been previously identified. Family-based genome analysis enabled us to narrow the candidate genes for both of these Mendelian disorders to only four. Our results demonstrate the value of complete genome sequencing in families.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3037280/" 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/PMC3037280/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roach, Jared C -- Glusman, Gustavo -- Smit, Arian F A -- Huff, Chad D -- Hubley, Robert -- Shannon, Paul T -- Rowen, Lee -- Pant, Krishna P -- Goodman, Nathan -- Bamshad, Michael -- Shendure, Jay -- Drmanac, Radoje -- Jorde, Lynn B -- Hood, Leroy -- Galas, David J -- GM076547/GM/NIGMS NIH HHS/ -- P50 GM076547/GM/NIGMS NIH HHS/ -- P50 GM076547-05/GM/NIGMS NIH HHS/ -- R01 HG002939/HG/NHGRI NIH HHS/ -- R01 HG002939-08/HG/NHGRI NIH HHS/ -- R01GM081083/GM/NIGMS NIH HHS/ -- R01HD048895/HD/NICHD NIH HHS/ -- R01HL094976/HL/NHLBI NIH HHS/ -- RC2HG005608/HG/NHGRI NIH HHS/ -- RZ1HG004749/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2010 Apr 30;328(5978):636-9. doi: 10.1126/science.1186802. Epub 2010 Mar 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Systems Biology, Seattle, WA 98103, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20220176" target="_blank"〉PubMed〈/a〉

Schlagwort(e): Abnormalities, Multiple/*genetics ; Algorithms ; Alleles ; Axonemal Dyneins/genetics ; Ciliary Motility Disorders/*genetics ; Crossing Over, Genetic ; Female ; Genes, Dominant ; Genes, Recessive ; Genetic Association Studies ; *Genome, Human ; Humans ; *Inheritance Patterns ; Limb Deformities, Congenital/genetics ; Male ; Mandibulofacial Dysostosis/genetics ; Mutation ; *Nuclear Family ; Oxidoreductases Acting on CH-CH Group Donors/genetics ; Pedigree ; Polymorphism, Single Nucleotide ; *Sequence Analysis, DNA ; Syndrome

Print ISSN: 0036-8075

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Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik

Publiziert von American Association for the Advancement of Science (AAAS)

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A Tumor suppressor complex with GAP activity for the Rag GTPases that signal amino acid sufficiency to mTORC1 (2013)

L. Bar-Peled ; L. Chantranupong ; A. D. Cherniack ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 340(6136): 1100-6. doi: 10.1126/science.1232044.

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Publikationsdatum: 2013-06-01

Beschreibung: The mTOR complex 1 (mTORC1) pathway promotes cell growth in response to many cues, including amino acids, which act through the Rag guanosine triphosphatases (GTPases) to promote mTORC1 translocation to the lysosomal surface, its site of activation. Although progress has been made in identifying positive regulators of the Rags, it is unknown if negative factors also exist. Here, we identify GATOR as a complex that interacts with the Rags and is composed of two subcomplexes we call GATOR1 and -2. Inhibition of GATOR1 subunits (DEPDC5, Nprl2, and Nprl3) makes mTORC1 signaling resistant to amino acid deprivation. In contrast, inhibition of GATOR2 subunits (Mios, WDR24, WDR59, Seh1L, and Sec13) suppresses mTORC1 signaling, and epistasis analysis shows that GATOR2 negatively regulates DEPDC5. GATOR1 has GTPase-activating protein (GAP) activity for RagA and RagB, and its components are mutated in human cancer. In cancer cells with inactivating mutations in GATOR1, mTORC1 is hyperactive and insensitive to amino acid starvation, and such cells are hypersensitive to rapamycin, an mTORC1 inhibitor. Thus, we identify a key negative regulator of the Rag GTPases and reveal that, like other mTORC1 regulators, Rag function can be deregulated in cancer.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3728654/" 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/PMC3728654/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bar-Peled, Liron -- Chantranupong, Lynne -- Cherniack, Andrew D -- Chen, Walter W -- Ottina, Kathleen A -- Grabiner, Brian C -- Spear, Eric D -- Carter, Scott L -- Meyerson, Matthew -- Sabatini, David M -- AI47389/AI/NIAID NIH HHS/ -- CA103866/CA/NCI NIH HHS/ -- F31 CA180271/CA/NCI NIH HHS/ -- P30 CA014051/CA/NCI NIH HHS/ -- R01 CA103866/CA/NCI NIH HHS/ -- R01 CA129105/CA/NCI NIH HHS/ -- U24CA143867/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 May 31;340(6136):1100-6. doi: 10.1126/science.1232044.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research and Massachusetts Institute of Technology, Department of Biology, Cambridge, MA 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23723238" target="_blank"〉PubMed〈/a〉

Schlagwort(e): Amino Acids/*metabolism ; Carrier Proteins/antagonists & inhibitors/genetics/*metabolism ; Cell Line, Tumor ; GTPase-Activating Proteins ; HEK293 Cells ; Humans ; Lysosomes/*enzymology ; Monomeric GTP-Binding Proteins/*metabolism ; Multiprotein Complexes ; Mutation ; Neoplasms/*enzymology/genetics ; Nuclear Proteins/antagonists & inhibitors/genetics/metabolism ; Proteins/*metabolism ; RNA, Small Interfering/genetics ; TOR Serine-Threonine Kinases ; Tumor Suppressor Proteins/antagonists & inhibitors/genetics/*metabolism

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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On and off retinal circuit assembly by divergent molecular mechanisms (2013)

L. O. Sun ; Z. Jiang ; M. Rivlin-Etzion ; [weitere]

American Association for the Advancement of Science (AAAS)

In: Science. 342(6158): 1241974. doi: 10.1126/science.1241974.

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Publikationsdatum: 2013-11-02

Beschreibung: Direction-selective responses to motion can be to the onset (On) or cessation (Off) of illumination. Here, we show that the transmembrane protein semaphorin 6A and its receptor plexin A2 are critical for achieving radially symmetric arborization of On starburst amacrine cell (SAC) dendrites and normal SAC stratification in the mouse retina. Plexin A2 is expressed in both On and Off SACs; however, semaphorin 6A is expressed in On SACs. Specific On-Off bistratified direction-selective ganglion cells in semaphorin 6A(-/-) mutants exhibit decreased tuning of On directional motion responses. These results correlate the elaboration of symmetric SAC dendritic morphology and asymmetric responses to motion, shedding light on the development of visual pathways that use the same cell types for divergent outputs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3863450/" 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/PMC3863450/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, Lu O -- Jiang, Zheng -- Rivlin-Etzion, Michal -- Hand, Randal -- Brady, Colleen M -- Matsuoka, Ryota L -- Yau, King-Wai -- Feller, Marla B -- Kolodkin, Alex L -- EY013528/EY/NEI NIH HHS/ -- EY019498/EY/NEI NIH HHS/ -- EY06837/EY/NEI NIH HHS/ -- NS35165/NS/NINDS NIH HHS/ -- P30 NS050274/NS/NINDS NIH HHS/ -- R01 EY006837/EY/NEI NIH HHS/ -- R01 EY019498/EY/NEI NIH HHS/ -- R01 NS035165/NS/NINDS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Nov 1;342(6158):1241974. doi: 10.1126/science.1241974.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Solomon H. Snyder Department of Neuroscience, 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/24179230" target="_blank"〉PubMed〈/a〉

Schlagwort(e): Amacrine Cells/cytology/metabolism/*physiology ; Animals ; Dendrites/metabolism/physiology ; Mice ; Mice, Mutant Strains ; Motion ; *Motion Perception ; Nerve Tissue Proteins/genetics/*metabolism ; Receptors, Cell Surface/genetics/*metabolism ; Retina/metabolism/*physiology ; Semaphorins/genetics/*metabolism ; Signal Transduction

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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