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  • Articles  (10)
  • Humans  (10)
  • Nature Publishing Group (NPG)  (10)
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  • 1
    Publication Date: 2011-05-27
    Description: Swine influenza A viruses (SwIV) cause significant economic losses in animal husbandry as well as instances of human disease and occasionally give rise to human pandemics, including that caused by the H1N1/2009 virus. The lack of systematic and longitudinal influenza surveillance in pigs has hampered attempts to reconstruct the origins of this pandemic. Most existing swine data were derived from opportunistic samples collected from diseased pigs in disparate geographical regions, not from prospective studies in defined locations, hence the evolutionary and transmission dynamics of SwIV are poorly understood. Here we quantify the epidemiological, genetic and antigenic dynamics of SwIV in Hong Kong using a data set of more than 650 SwIV isolates and more than 800 swine sera from 12 years of systematic surveillance in this region, supplemented with data stretching back 34 years. Intercontinental virus movement has led to reassortment and lineage replacement, creating an antigenically and genetically diverse virus population whose dynamics are quantitatively different from those previously observed for human influenza viruses. Our findings indicate that increased antigenic drift is associated with reassortment events and offer insights into the emergence of influenza viruses with epidemic potential in swine and humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vijaykrishna, Dhanasekaran -- Smith, Gavin J D -- Pybus, Oliver G -- Zhu, Huachen -- Bhatt, Samir -- Poon, Leo L M -- Riley, Steven -- Bahl, Justin -- Ma, Siu K -- Cheung, Chung L -- Perera, Ranawaka A P M -- Chen, Honglin -- Shortridge, Kennedy F -- Webby, Richard J -- Webster, Robert G -- Guan, Yi -- Peiris, J S Malik -- HHSN26600700005C/PHS HHS/ -- MC_G0902096/Medical Research Council/United Kingdom -- England -- Nature. 2011 May 26;473(7348):519-22. doi: 10.1038/nature10004.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Emerging Infectious Diseases & Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21614079" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Birds/virology ; *Evolution, Molecular ; Female ; Hong Kong/epidemiology ; Humans ; Influenza A Virus, H1N1 Subtype/classification/genetics/isolation & ; purification/*physiology ; Influenza in Birds/transmission/virology ; Influenza, Human/epidemiology/transmission/virology ; Male ; Molecular Epidemiology ; Molecular Sequence Data ; Orthomyxoviridae Infections/epidemiology/transmission/*veterinary/virology ; Phylogeny ; Population Surveillance ; Reassortant Viruses/genetics/immunology/isolation & purification/physiology ; Swine/blood/*virology ; Swine Diseases/blood/epidemiology/*transmission/*virology ; Zoonoses/epidemiology/transmission/*virology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2011-09-13
    Description: Blood pressure is a heritable trait influenced by several biological pathways and responsive to environmental stimuli. Over one billion people worldwide have hypertension (〉/=140 mm Hg systolic blood pressure or 〉/=90 mm Hg diastolic blood pressure). Even small increments in blood pressure are associated with an increased risk of cardiovascular events. This genome-wide association study of systolic and diastolic blood pressure, which used a multi-stage design in 200,000 individuals of European descent, identified sixteen novel loci: six of these loci contain genes previously known or suspected to regulate blood pressure (GUCY1A3-GUCY1B3, NPR3-C5orf23, ADM, FURIN-FES, GOSR2, GNAS-EDN3); the other ten provide new clues to blood pressure physiology. A genetic risk score based on 29 genome-wide significant variants was associated with hypertension, left ventricular wall thickness, stroke and coronary artery disease, but not kidney disease or kidney function. We also observed associations with blood pressure in East Asian, South Asian and African ancestry individuals. Our findings provide new insights into the genetics and biology of blood pressure, and suggest potential novel therapeutic pathways for cardiovascular disease prevention.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3340926/" 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/PMC3340926/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉International Consortium for Blood Pressure Genome-Wide Association Studies -- Ehret, Georg B -- Munroe, Patricia B -- Rice, Kenneth M -- Bochud, Murielle -- Johnson, Andrew D -- Chasman, Daniel I -- Smith, Albert V -- Tobin, Martin D -- Verwoert, Germaine C -- Hwang, Shih-Jen -- Pihur, Vasyl -- Vollenweider, Peter -- O'Reilly, Paul F -- Amin, Najaf -- Bragg-Gresham, Jennifer L -- Teumer, Alexander -- Glazer, Nicole L -- Launer, Lenore -- Zhao, Jing Hua -- Aulchenko, Yurii -- Heath, Simon -- Sober, Siim -- Parsa, Afshin -- Luan, Jian'an -- Arora, Pankaj -- Dehghan, Abbas -- Zhang, Feng -- Lucas, Gavin -- Hicks, Andrew A -- Jackson, Anne U -- Peden, John F -- Tanaka, Toshiko -- Wild, Sarah H -- Rudan, Igor -- Igl, Wilmar -- Milaneschi, Yuri -- Parker, Alex N -- Fava, Cristiano -- Chambers, John C -- Fox, Ervin R -- Kumari, Meena -- Go, Min Jin -- van der Harst, Pim -- Kao, Wen Hong Linda -- Sjogren, Marketa -- Vinay, D G -- Alexander, Myriam -- Tabara, Yasuharu -- Shaw-Hawkins, Sue -- Whincup, Peter H -- Liu, Yongmei -- Shi, Gang -- Kuusisto, Johanna -- Tayo, Bamidele -- Seielstad, Mark -- Sim, Xueling -- Nguyen, Khanh-Dung Hoang -- Lehtimaki, Terho -- Matullo, Giuseppe -- Wu, Ying -- Gaunt, Tom R -- Onland-Moret, N Charlotte -- Cooper, Matthew N -- Platou, Carl G P -- Org, Elin -- Hardy, Rebecca -- Dahgam, Santosh -- Palmen, Jutta -- Vitart, Veronique -- Braund, Peter S -- Kuznetsova, Tatiana -- Uiterwaal, Cuno S P M -- Adeyemo, Adebowale -- Palmas, Walter -- Campbell, Harry -- Ludwig, Barbara -- Tomaszewski, Maciej -- Tzoulaki, Ioanna -- Palmer, Nicholette D -- CARDIoGRAM consortium -- CKDGen Consortium -- KidneyGen Consortium -- EchoGen consortium -- CHARGE-HF consortium -- Aspelund, Thor -- Garcia, Melissa -- Chang, Yen-Pei C -- O'Connell, Jeffrey R -- Steinle, Nanette I -- Grobbee, Diederick E -- Arking, Dan E -- Kardia, Sharon L -- Morrison, Alanna C -- Hernandez, Dena -- Najjar, Samer -- McArdle, Wendy L -- Hadley, David -- Brown, Morris J -- Connell, John M -- Hingorani, Aroon D -- Day, Ian N M -- Lawlor, Debbie A -- Beilby, John P -- Lawrence, Robert W -- Clarke, Robert -- Hopewell, Jemma C -- Ongen, Halit -- Dreisbach, Albert W -- Li, Yali -- Young, J Hunter -- Bis, Joshua C -- Kahonen, Mika -- Viikari, Jorma -- Adair, Linda S -- Lee, Nanette R -- Chen, Ming-Huei -- Olden, Matthias -- Pattaro, Cristian -- Bolton, Judith A Hoffman -- Kottgen, Anna -- Bergmann, Sven -- Mooser, Vincent -- Chaturvedi, Nish -- Frayling, Timothy M -- Islam, Muhammad -- Jafar, Tazeen H -- Erdmann, Jeanette -- Kulkarni, Smita R -- Bornstein, Stefan R -- Grassler, Jurgen -- Groop, Leif -- Voight, Benjamin F -- Kettunen, Johannes -- Howard, Philip -- Taylor, Andrew -- Guarrera, Simonetta -- Ricceri, Fulvio -- Emilsson, Valur -- Plump, Andrew -- Barroso, Ines -- Khaw, Kay-Tee -- Weder, Alan B -- Hunt, Steven C -- Sun, Yan V -- Bergman, Richard N -- Collins, Francis S -- Bonnycastle, Lori L -- Scott, Laura J -- Stringham, Heather M -- Peltonen, Leena -- Perola, Markus -- Vartiainen, Erkki -- Brand, Stefan-Martin -- Staessen, Jan A -- Wang, Thomas J -- Burton, Paul R -- Soler Artigas, Maria -- Dong, Yanbin -- Snieder, Harold -- Wang, Xiaoling -- Zhu, Haidong -- Lohman, Kurt K -- Rudock, Megan E -- Heckbert, Susan R -- Smith, Nicholas L -- Wiggins, Kerri L -- Doumatey, Ayo -- Shriner, Daniel -- Veldre, Gudrun -- Viigimaa, Margus -- Kinra, Sanjay -- Prabhakaran, Dorairaj -- Tripathy, Vikal -- Langefeld, Carl D -- Rosengren, Annika -- Thelle, Dag S -- Corsi, Anna Maria -- Singleton, Andrew -- Forrester, Terrence -- Hilton, Gina -- McKenzie, Colin A -- Salako, Tunde -- Iwai, Naoharu -- Kita, Yoshikuni -- Ogihara, Toshio -- Ohkubo, Takayoshi -- Okamura, Tomonori -- Ueshima, Hirotsugu -- Umemura, Satoshi -- Eyheramendy, Susana -- Meitinger, Thomas -- Wichmann, H-Erich -- Cho, Yoon Shin -- Kim, Hyung-Lae -- Lee, Jong-Young -- Scott, James -- Sehmi, Joban S -- Zhang, Weihua -- Hedblad, Bo -- Nilsson, Peter -- Smith, George Davey -- Wong, Andrew -- Narisu, Narisu -- Stancakova, Alena -- Raffel, Leslie J -- Yao, Jie -- Kathiresan, Sekar -- O'Donnell, Christopher J -- Schwartz, Stephen M -- Ikram, M Arfan -- Longstreth, W T Jr -- Mosley, Thomas H -- Seshadri, Sudha -- Shrine, Nick R G -- Wain, Louise V -- Morken, Mario A -- Swift, Amy J -- Laitinen, Jaana -- Prokopenko, Inga -- Zitting, Paavo -- Cooper, Jackie A -- Humphries, Steve E -- Danesh, John -- Rasheed, Asif -- Goel, Anuj -- Hamsten, Anders -- Watkins, Hugh -- Bakker, Stephan J L -- van Gilst, Wiek H -- Janipalli, Charles S -- Mani, K Radha -- Yajnik, Chittaranjan S -- Hofman, Albert -- Mattace-Raso, Francesco U S -- Oostra, Ben A -- Demirkan, Ayse -- Isaacs, Aaron -- Rivadeneira, Fernando -- Lakatta, Edward G -- Orru, Marco -- Scuteri, Angelo -- Ala-Korpela, Mika -- Kangas, Antti J -- Lyytikainen, Leo-Pekka -- Soininen, Pasi -- Tukiainen, Taru -- Wurtz, Peter -- Ong, Rick Twee-Hee -- Dorr, Marcus -- Kroemer, Heyo K -- Volker, Uwe -- Volzke, Henry -- Galan, Pilar -- Hercberg, Serge -- Lathrop, Mark -- Zelenika, Diana -- Deloukas, Panos -- Mangino, Massimo -- Spector, Tim D -- Zhai, Guangju -- Meschia, James F -- Nalls, Michael A -- Sharma, Pankaj -- Terzic, Janos -- Kumar, M V Kranthi -- Denniff, Matthew -- Zukowska-Szczechowska, Ewa -- Wagenknecht, Lynne E -- Fowkes, F Gerald R -- Charchar, Fadi J -- Schwarz, Peter E H -- Hayward, Caroline -- Guo, Xiuqing -- Rotimi, Charles -- Bots, Michiel L -- Brand, Eva -- Samani, Nilesh J -- Polasek, Ozren -- Talmud, Philippa J -- Nyberg, Fredrik -- Kuh, Diana -- Laan, Maris -- Hveem, Kristian -- Palmer, Lyle J -- van der Schouw, Yvonne T -- Casas, Juan P -- Mohlke, Karen L -- Vineis, Paolo -- Raitakari, Olli -- Ganesh, Santhi K -- Wong, Tien Y -- Tai, E Shyong -- Cooper, Richard S -- Laakso, Markku -- Rao, Dabeeru C -- Harris, Tamara B -- Morris, Richard W -- Dominiczak, Anna F -- Kivimaki, Mika -- Marmot, Michael G -- Miki, Tetsuro -- Saleheen, Danish -- Chandak, Giriraj R -- Coresh, Josef -- Navis, Gerjan -- Salomaa, Veikko -- Han, Bok-Ghee -- Zhu, Xiaofeng -- Kooner, Jaspal S -- Melander, Olle -- Ridker, Paul M -- Bandinelli, Stefania -- Gyllensten, Ulf B -- Wright, Alan F -- Wilson, James F -- Ferrucci, Luigi -- Farrall, Martin -- Tuomilehto, Jaakko -- Pramstaller, Peter P -- Elosua, Roberto -- Soranzo, Nicole -- Sijbrands, Eric J G -- Altshuler, David -- Loos, Ruth J F -- Shuldiner, Alan R -- Gieger, Christian -- Meneton, Pierre -- Uitterlinden, Andre G -- Wareham, Nicholas J -- Gudnason, Vilmundur -- Rotter, Jerome I -- Rettig, Rainer -- Uda, Manuela -- Strachan, David P -- Witteman, Jacqueline C M -- Hartikainen, Anna-Liisa -- Beckmann, Jacques S -- Boerwinkle, Eric -- Vasan, Ramachandran S -- Boehnke, Michael -- Larson, Martin G -- Jarvelin, Marjo-Riitta -- Psaty, Bruce M -- Abecasis, Goncalo R -- Chakravarti, Aravinda -- Elliott, Paul -- van Duijn, Cornelia M -- Newton-Cheh, Christopher -- Levy, Daniel -- Caulfield, Mark J -- Johnson, Toby -- 068545/Z/02/Wellcome Trust/United Kingdom -- 070191/Z/03/Z/Wellcome Trust/United Kingdom -- 077016/Z/05/Z/Wellcome Trust/United Kingdom -- 079895/Wellcome Trust/United Kingdom -- 080747/Z/06/Z/Wellcome Trust/United Kingdom -- 090532/Wellcome Trust/United Kingdom -- 1R01AG032098-01A/AG/NIA NIH HHS/ -- 1RL1MH083268-01/MH/NIMH NIH HHS/ -- 263 MD 821336/MD/NIMHD NIH HHS/ -- 263 MD 9164/MD/NIMHD NIH HHS/ -- 263-MA-410953/PHS HHS/ -- 2M01RR010284/RR/NCRR NIH HHS/ -- 33014/PHS HHS/ -- 55005617/Howard Hughes Medical Institute/ -- 5R01HL086694-03/HL/NHLBI NIH HHS/ -- 5R01HL087679-02/HL/NHLBI NIH HHS/ -- 5R01HL08770002/HL/NHLBI NIH HHS/ -- 5R01MH63706:02/MH/NIMH NIH HHS/ -- 5U01CA086308/CA/NCI NIH HHS/ -- AG13196/AG/NIA NIH HHS/ -- CH/03/001/British Heart Foundation/United Kingdom -- CZB/4/276/Chief Scientist Office/United Kingdom -- CZB/4/710/Chief Scientist Office/United Kingdom -- DK062370/DK/NIDDK NIH HHS/ -- DK063491/DK/NIDDK NIH HHS/ -- DK072193/DK/NIDDK NIH HHS/ -- DK075787/DK/NIDDK NIH HHS/ -- DK078150/DK/NIDDK NIH HHS/ -- DK56350/DK/NIDDK NIH HHS/ -- ES10126/ES/NIEHS NIH HHS/ -- FS05/125/British Heart Foundation/United Kingdom -- G0000934/Medical Research Council/United Kingdom -- G0100222/Medical Research Council/United Kingdom -- G0400874/Medical Research Council/United Kingdom -- G0401527/Medical Research Council/United Kingdom -- G0500539/Medical Research Council/United Kingdom -- G0501942/British Heart Foundation/United Kingdom -- G0501942/Medical Research Council/United Kingdom -- G0600331/Medical Research Council/United Kingdom -- G0600705/Medical Research Council/United Kingdom -- G0601966/Medical Research Council/United Kingdom -- G0700931/Medical Research Council/United Kingdom -- G0701863/Medical Research Council/United Kingdom -- G0801056/Medical Research Council/United Kingdom -- G0902037/Medical Research Council/United Kingdom -- G0902313/Medical Research Council/United Kingdom -- G1000143/Medical Research Council/United Kingdom -- G19/35/Medical Research Council/United Kingdom -- G20234/Biotechnology and Biological Sciences Research Council/United Kingdom -- G8802774/Medical Research Council/United Kingdom -- G9521010/Medical Research Council/United Kingdom -- G9521010D/Medical Research Council/United Kingdom -- HG003054/HG/NHGRI NIH HHS/ -- HG005581/HG/NHGRI NIH HHS/ -- HHSN268200625226C/PHS HHS/ -- HHSN268200782096/PHS HHS/ -- HHSN268200782096C/PHS HHS/ -- HL 54512/HL/NHLBI NIH HHS/ -- HL-87660/HL/NHLBI NIH HHS/ -- HL043851/HL/NHLBI NIH HHS/ -- HL080025/HL/NHLBI NIH HHS/ -- HL084729/HL/NHLBI NIH HHS/ -- HL085144/HL/NHLBI NIH HHS/ -- HL086718/HL/NHLBI NIH HHS/ -- HL087647/HL/NHLBI NIH HHS/ -- HL098283/HL/NHLBI NIH HHS/ -- HL36310/HL/NHLBI NIH HHS/ -- HL45508/HL/NHLBI NIH HHS/ -- HL53353/HL/NHLBI NIH HHS/ -- HL54512/HL/NHLBI NIH HHS/ -- HS06516/HS/AHRQ HHS/ -- K12RR023250/RR/NCRR NIH HHS/ -- M01 RR16500/RR/NCRR NIH HHS/ -- M01-RR00425/RR/NCRR NIH HHS/ -- MC_PC_U127561128/Medical Research Council/United Kingdom -- MC_U106179471/Medical Research Council/United Kingdom -- MC_U106188470/Medical Research Council/United Kingdom -- MC_U123092720/Medical Research Council/United Kingdom -- MC_U123092723/Medical Research Council/United Kingdom -- MC_U127561128/Medical Research Council/United Kingdom -- MC_U137686857/Medical Research Council/United Kingdom -- MC_UP_A100_1003/Medical Research Council/United Kingdom -- MOP-82810/Canadian Institutes of Health Research/Canada -- MOP172605/Canadian Institutes of Health Research/Canada -- MOP77682/Canadian Institutes of Health Research/Canada -- N01 HC-15103/HC/NHLBI NIH HHS/ -- N01 HC-55222/HC/NHLBI NIH HHS/ -- N01 HC-95159/HC/NHLBI NIH HHS/ -- N01 HC-95169/HC/NHLBI NIH HHS/ -- N01-AG-1-2109/AG/NIA NIH HHS/ -- N01-AG-12100/AG/NIA NIH HHS/ -- N01-HC-25195/HC/NHLBI NIH HHS/ -- N01-HC-35129/HC/NHLBI NIH HHS/ -- N01-HC-45133/HC/NHLBI NIH HHS/ -- N01-HC-55015/HC/NHLBI NIH HHS/ -- N01-HC-55016/HC/NHLBI NIH HHS/ -- N01-HC-55018/HC/NHLBI NIH HHS/ -- N01-HC-55019/HC/NHLBI NIH HHS/ -- N01-HC-55020/HC/NHLBI NIH HHS/ -- N01-HC-55021/HC/NHLBI NIH HHS/ -- N01-HC-55022/HC/NHLBI NIH HHS/ -- N01-HC-75150/HC/NHLBI NIH HHS/ -- N01-HC-85079/HC/NHLBI NIH HHS/ -- N01-HC-85080/HC/NHLBI NIH HHS/ -- N01-HC-85081/HC/NHLBI NIH HHS/ -- N01-HC-85082/HC/NHLBI NIH HHS/ -- N01-HC-85083/HC/NHLBI NIH HHS/ -- N01-HC-85084/HC/NHLBI NIH HHS/ -- N01-HC-85085/HC/NHLBI NIH HHS/ -- N01-HC-85086/HC/NHLBI NIH HHS/ -- N01-HC-95160/HC/NHLBI NIH HHS/ -- 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HL086694-04A1/HL/NHLBI NIH HHS/ -- R01 HL086694-05/HL/NHLBI NIH HHS/ -- R01 HL087647/HL/NHLBI NIH HHS/ -- R01 HL087652/HL/NHLBI NIH HHS/ -- R01 HL088119/HL/NHLBI NIH HHS/ -- R01 NS39987/NS/NINDS NIH HHS/ -- R01 NS42733/NS/NINDS NIH HHS/ -- R01DK058845/DK/NIDDK NIH HHS/ -- R01DK066574/DK/NIDDK NIH HHS/ -- R01HL056931/HL/NHLBI NIH HHS/ -- R01HL060894/HL/NHLBI NIH HHS/ -- R01HL060919/HL/NHLBI NIH HHS/ -- R01HL06094/HL/NHLBI NIH HHS/ -- R01HL061019/HL/NHLBI NIH HHS/ -- R01HL071051/HL/NHLBI NIH HHS/ -- R01HL071205/HL/NHLBI NIH HHS/ -- R01HL071250/HL/NHLBI NIH HHS/ -- R01HL071251/HL/NHLBI NIH HHS/ -- R01HL071252/HL/NHLBI NIH HHS/ -- R01HL071258/HL/NHLBI NIH HHS/ -- R01HL071259/HL/NHLBI NIH HHS/ -- R01HL086694/HL/NHLBI NIH HHS/ -- R01HL087641/HL/NHLBI NIH HHS/ -- R01HL089650-02/HL/NHLBI NIH HHS/ -- R01HL59367/HL/NHLBI NIH HHS/ -- R03 TW007165/TW/FIC NIH HHS/ -- R37HL051021/HL/NHLBI NIH HHS/ -- RG/07/005/23633/British Heart Foundation/United Kingdom -- RG/07/008/23674/British Heart Foundation/United Kingdom -- RG/08/008/25291/British Heart Foundation/United Kingdom -- RG/08/013/25942/British Heart Foundation/United Kingdom -- RG/08/014/24067/British Heart Foundation/United Kingdom -- RG/98002/British Heart Foundation/United Kingdom -- RG08/01/British Heart Foundation/United Kingdom -- RR-024156/RR/NCRR NIH HHS/ -- RR20649/RR/NCRR NIH HHS/ -- S06GM008016-320107/GM/NIGMS NIH HHS/ -- S06GM008016-380111/GM/NIGMS NIH HHS/ -- SP/04/002/British Heart Foundation/United Kingdom -- SP/08/005/25115/British Heart Foundation/United Kingdom -- TW008288/TW/FIC NIH HHS/ -- TW05596/TW/FIC NIH HHS/ -- U01 DK062418/DK/NIDDK NIH HHS/ -- U01 GM074518-04/GM/NIGMS NIH HHS/ -- U01 HL054466/HL/NHLBI NIH HHS/ -- U01 HL054466-11/HL/NHLBI NIH HHS/ -- U01 HL054471/HL/NHLBI NIH HHS/ -- U01 HL054473/HL/NHLBI NIH HHS/ -- U01 HL054527/HL/NHLBI NIH HHS/ -- U01 HL072515-06/HL/NHLBI NIH HHS/ -- U01 HL080295/HL/NHLBI NIH HHS/ -- U01 HL084756/HL/NHLBI NIH HHS/ -- U01 NS069208/NS/NINDS NIH HHS/ -- U01 NS069208-01/NS/NINDS NIH HHS/ -- U01DE018903/DE/NIDCR NIH HHS/ -- U01DE01899/DE/NIDCR NIH HHS/ -- U01HG004399/HG/NHGRI NIH HHS/ -- U01HG004402/HG/NHGRI NIH HHS/ -- U01HG004415/HG/NHGRI NIH HHS/ -- U01HG004422/HG/NHGRI NIH HHS/ -- U01HG004423/HG/NHGRI NIH HHS/ -- U01HG004436/HG/NHGRI NIH HHS/ -- U01HG004438/HG/NHGRI NIH HHS/ -- U01HG004446/HG/NHGRI NIH HHS/ -- U01HG004726/HG/NHGRI NIH HHS/ -- U01HG004728/HG/NHGRI NIH HHS/ -- U01HG004729/HG/NHGRI NIH HHS/ -- U01HG004735/HG/NHGRI NIH HHS/ -- U01HG004738/HG/NHGRI NIH HHS/ -- U10 HL054512/HL/NHLBI NIH HHS/ -- U10HL054512/HL/NHLBI NIH HHS/ -- U54 RR020278/RR/NCRR NIH HHS/ -- UL1RR025005/RR/NCRR NIH HHS/ -- Intramural NIH HHS/ -- England -- Nature. 2011 Sep 11;478(7367):103-9. doi: 10.1038/nature10405.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21909115" target="_blank"〉PubMed〈/a〉
    Keywords: Africa/ethnology ; Asia/ethnology ; Blood Pressure/*genetics/physiology ; Cardiovascular Diseases/*genetics ; Coronary Artery Disease/genetics ; Europe/ethnology ; Genetic Predisposition to Disease/*genetics ; Genome-Wide Association Study ; Humans ; Hypertension/genetics ; Kidney Diseases/genetics ; Polymorphism, Single Nucleotide/*genetics ; Stroke/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2011-11-22
    Description: Mitochondrial metabolism provides precursors to build macromolecules in growing cancer cells. In normally functioning tumour cell mitochondria, oxidative metabolism of glucose- and glutamine-derived carbon produces citrate and acetyl-coenzyme A for lipid synthesis, which is required for tumorigenesis. Yet some tumours harbour mutations in the citric acid cycle (CAC) or electron transport chain (ETC) that disable normal oxidative mitochondrial function, and it is unknown how cells from such tumours generate precursors for macromolecular synthesis. Here we show that tumour cells with defective mitochondria use glutamine-dependent reductive carboxylation rather than oxidative metabolism as the major pathway of citrate formation. This pathway uses mitochondrial and cytosolic isoforms of NADP(+)/NADPH-dependent isocitrate dehydrogenase, and subsequent metabolism of glutamine-derived citrate provides both the acetyl-coenzyme A for lipid synthesis and the four-carbon intermediates needed to produce the remaining CAC metabolites and related macromolecular precursors. This reductive, glutamine-dependent pathway is the dominant mode of metabolism in rapidly growing malignant cells containing mutations in complex I or complex III of the ETC, in patient-derived renal carcinoma cells with mutations in fumarate hydratase, and in cells with normal mitochondria subjected to acute pharmacological ETC inhibition. Our findings reveal the novel induction of a versatile glutamine-dependent pathway that reverses many of the reactions of the canonical CAC, supports tumour cell growth, and explains how cells generate pools of CAC intermediates in the face of impaired mitochondrial metabolism.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3262117/" 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/PMC3262117/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mullen, Andrew R -- Wheaton, William W -- Jin, Eunsook S -- Chen, Pei-Hsuan -- Sullivan, Lucas B -- Cheng, Tzuling -- Yang, Youfeng -- Linehan, W Marston -- Chandel, Navdeep S -- DeBerardinis, Ralph J -- 5T32GM083831/GM/NIGMS NIH HHS/ -- DK078933/DK/NIDDK NIH HHS/ -- K01 DK078933/DK/NIDDK NIH HHS/ -- K01 DK078933-03/DK/NIDDK NIH HHS/ -- K08 DK072565/DK/NIDDK NIH HHS/ -- K08 DK072565-06/DK/NIDDK NIH HHS/ -- K08DK072565/DK/NIDDK NIH HHS/ -- P41 RR002584/RR/NCRR NIH HHS/ -- P41 RR002584-22/RR/NCRR NIH HHS/ -- R01 CA123067/CA/NCI NIH HHS/ -- R01 CA123067-05/CA/NCI NIH HHS/ -- R01 CA157996/CA/NCI NIH HHS/ -- R01 CA157996-01/CA/NCI NIH HHS/ -- R01CA123067/CA/NCI NIH HHS/ -- R01CA157996/CA/NCI NIH HHS/ -- RR02584/RR/NCRR NIH HHS/ -- T32 CA009560/CA/NCI NIH HHS/ -- T32 CA009560-20/CA/NCI NIH HHS/ -- T32 GM008061/GM/NIGMS NIH HHS/ -- T32 GM008061-30/GM/NIGMS NIH HHS/ -- T32 GM083831/GM/NIGMS NIH HHS/ -- T32 GM083831-04/GM/NIGMS NIH HHS/ -- T32CA009560/CA/NCI NIH HHS/ -- T32GM008061/GM/NIGMS NIH HHS/ -- Intramural NIH HHS/ -- England -- Nature. 2011 Nov 20;481(7381):385-8. doi: 10.1038/nature10642.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pediatrics, University of Texas - Southwestern Medical Center at Dallas, Dallas, Texas 75390-9063, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22101431" target="_blank"〉PubMed〈/a〉
    Keywords: Acetyl Coenzyme A/metabolism ; Animals ; Carcinoma, Renal Cell/genetics/metabolism/pathology ; Cell Hypoxia ; Cell Line, Tumor ; Citric Acid/metabolism ; Electron Transport ; Electron Transport Complex I/metabolism ; Electron Transport Complex III/metabolism ; Fumarate Hydratase/genetics/metabolism ; Glucose/metabolism ; Glutamine/metabolism ; Humans ; Isocitrate Dehydrogenase/metabolism ; Kidney Neoplasms/genetics/metabolism/pathology ; Mice ; Mitochondria/*metabolism/*pathology ; NADP/metabolism ; Neoplasms/*metabolism/*pathology
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  • 4
    Publication Date: 2012-06-05
    Description: How environmental cues regulate adult stem cell and cancer cell activity through surface receptors is poorly understood. Angiopoietin-like proteins (ANGPTLs), a family of seven secreted glycoproteins, are known to support the activity of haematopoietic stem cells (HSCs) in vitro and in vivo. ANGPTLs also have important roles in lipid metabolism, angiogenesis and inflammation, but were considered 'orphan ligands' because no receptors were identified. Here we show that the immune-inhibitory receptor human leukocyte immunoglobulin-like receptor B2 (LILRB2) and its mouse orthologue paired immunoglobulin-like receptor (PIRB) are receptors for several ANGPTLs. LILRB2 and PIRB are expressed on human and mouse HSCs, respectively, and the binding of ANGPTLs to these receptors supported ex vivo expansion of HSCs. In mouse transplantation acute myeloid leukaemia models, a deficiency in intracellular signalling of PIRB resulted in increased differentiation of leukaemia cells, revealing that PIRB supports leukaemia development. Our study indicates an unexpected functional significance of classical immune-inhibitory receptors in maintenance of stemness of normal adult stem cells and in support of cancer development.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3367397/" 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/PMC3367397/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zheng, Junke -- Umikawa, Masato -- Cui, Changhao -- Li, Jiyuan -- Chen, Xiaoli -- Zhang, Chaozheng -- Huynh, HoangDinh -- Kang, Xunlei -- Silvany, Robert -- Wan, Xuan -- Ye, Jingxiao -- Canto, Alberto Puig -- Chen, Shu-Hsia -- Wang, Huan-You -- Ward, E Sally -- Zhang, Cheng Cheng -- K01 CA 120099/CA/NCI NIH HHS/ -- K01 CA120099/CA/NCI NIH HHS/ -- K01 CA120099-03/CA/NCI NIH HHS/ -- K01 CA120099-04/CA/NCI NIH HHS/ -- K01 CA120099-05/CA/NCI NIH HHS/ -- K01 CA120099-06/CA/NCI NIH HHS/ -- R01 CA109322/CA/NCI NIH HHS/ -- R01 CA172268/CA/NCI NIH HHS/ -- England -- Nature. 2012 May 30;485(7400):656-60. doi: 10.1038/nature11095.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Physiology and Developmental Biology, University of Texas Southwestern Medical Center, Dallas, Texas 75390, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22660330" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Division ; Cells, Cultured ; Disease Models, Animal ; Fetal Blood/cytology/metabolism ; HEK293 Cells ; Hematopoietic Stem Cells/*cytology/*metabolism ; Humans ; Leukemia/*metabolism/*pathology ; Membrane Glycoproteins/genetics/*metabolism ; Mice ; Myeloid-Lymphoid Leukemia Protein ; Receptors, Immunologic/genetics/*metabolism
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  • 5
    Publication Date: 2013-10-25
    Description: Mutations in SHANK3 and large duplications of the region spanning SHANK3 both cause a spectrum of neuropsychiatric disorders, indicating that proper SHANK3 dosage is critical for normal brain function. However, SHANK3 overexpression per se has not been established as a cause of human disorders because 22q13 duplications involve several genes. Here we report that Shank3 transgenic mice modelling a human SHANK3 duplication exhibit manic-like behaviour and seizures consistent with synaptic excitatory/inhibitory imbalance. We also identified two patients with hyperkinetic disorders carrying the smallest SHANK3-spanning duplications reported so far. These findings indicate that SHANK3 overexpression causes a hyperkinetic neuropsychiatric disorder. To probe the mechanism underlying the phenotype, we generated a Shank3 in vivo interactome and found that Shank3 directly interacts with the Arp2/3 complex to increase F-actin levels in Shank3 transgenic mice. The mood-stabilizing drug valproate, but not lithium, rescues the manic-like behaviour of Shank3 transgenic mice raising the possibility that this hyperkinetic disorder has a unique pharmacogenetic profile.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3923348/" 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/PMC3923348/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Han, Kihoon -- Holder, J Lloyd Jr -- Schaaf, Christian P -- Lu, Hui -- Chen, Hongmei -- Kang, Hyojin -- Tang, Jianrong -- Wu, Zhenyu -- Hao, Shuang -- Cheung, Sau Wai -- Yu, Peng -- Sun, Hao -- Breman, Amy M -- Patel, Ankita -- Lu, Hui-Chen -- Zoghbi, Huda Y -- 1R01NS070302/NS/NINDS NIH HHS/ -- 2T32NS043124/NS/NINDS NIH HHS/ -- P30HD024064/HD/NICHD NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2013 Nov 7;503(7474):72-7. doi: 10.1038/nature12630. Epub 2013 Oct 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas 77030, USA [2] Howard Hughes Medical Institute, Baylor College of Medicine, Houston, Texas 77030, USA [3] Jan and Dan Duncan Neurological Research Institute at Texas Children's Hospital, Houston, Texas 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24153177" target="_blank"〉PubMed〈/a〉
    Keywords: Actin-Related Protein 2-3 Complex/metabolism ; Actins/metabolism ; Adult ; Animals ; Behavior, Animal ; Bipolar Disorder/*drug therapy/genetics/*physiopathology ; Chromosomes, Human, Pair 22/genetics ; Disease Models, Animal ; Excitatory Postsynaptic Potentials ; Female ; Gene Dosage/genetics ; Gene Expression/genetics ; Genes, Duplicate/genetics ; Humans ; Hyperkinesis/genetics/physiopathology ; Inhibitory Postsynaptic Potentials ; Lithium/pharmacology ; Male ; Mice ; Mice, Transgenic ; Nerve Tissue Proteins/*genetics/*metabolism ; Seizures/genetics ; Valproic Acid/pharmacology/therapeutic use
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  • 6
    Publication Date: 2011-10-14
    Description: Determining the signalling pathways that direct tissue expansion is a principal goal of regenerative biology. Vigorous pancreatic beta-cell replication in juvenile mice and humans declines with age, and elucidating the basis for this decay may reveal strategies for inducing beta-cell expansion, a long-sought goal for diabetes therapy. Here we show that platelet-derived growth factor receptor (Pdgfr) signalling controls age-dependent beta-cell proliferation in mouse and human pancreatic islets. With age, declining beta-cell Pdgfr levels were accompanied by reductions in beta-cell enhancer of zeste homologue 2 (Ezh2) levels and beta-cell replication. Conditional inactivation of the Pdgfra gene in beta-cells accelerated these changes, preventing mouse neonatal beta-cell expansion and adult beta-cell regeneration. Targeted human PDGFR-alpha activation in mouse beta-cells stimulated Erk1/2 phosphorylation, leading to Ezh2-dependent expansion of adult beta-cells. Adult human islets lack PDGF signalling competence, but exposure of juvenile human islets to PDGF-AA stimulated beta-cell proliferation. The discovery of a conserved pathway controlling age-dependent beta-cell proliferation indicates new strategies for beta-cell expansion.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3503246/" 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/PMC3503246/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Hainan -- Gu, Xueying -- Liu, Yinghua -- Wang, Jing -- Wirt, Stacey E -- Bottino, Rita -- Schorle, Hubert -- Sage, Julien -- Kim, Seung K -- R01 CA114102/CA/NCI NIH HHS/ -- R01 DK056709/DK/NIDDK NIH HHS/ -- R01 DK072184/DK/NIDDK NIH HHS/ -- R01 DK075919/DK/NIDDK NIH HHS/ -- T32 CA009302/CA/NCI NIH HHS/ -- U01 DK089532/DK/NIDDK NIH HHS/ -- U01 DK89532/DK/NIDDK NIH HHS/ -- U01 DK89572/DK/NIDDK NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2011 Oct 12;478(7369):349-55. doi: 10.1038/nature10502.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology, Stanford University School of Medicine, Stanford, California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21993628" target="_blank"〉PubMed〈/a〉
    Keywords: Age Factors ; Animals ; Cell Proliferation ; Cells, Cultured ; Diabetes Mellitus, Experimental/pathology ; E2F Transcription Factors/metabolism ; Female ; Gene Expression Regulation, Enzymologic ; Gene Knockout Techniques ; Histone-Lysine N-Methyltransferase/genetics ; Humans ; Insulin-Secreting Cells/*cytology/enzymology/*physiology ; Male ; Mice ; Mice, Inbred C57BL ; Mitogen-Activated Protein Kinase 1/metabolism ; Mitogen-Activated Protein Kinase 3/metabolism ; Polycomb Repressive Complex 2 ; Receptors, Platelet-Derived Growth Factor/*metabolism ; Retinoblastoma Protein/metabolism ; *Signal Transduction
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  • 7
    Publication Date: 2012-10-02
    Description: Assessment and characterization of gut microbiota has become a major research area in human disease, including type 2 diabetes, the most prevalent endocrine disease worldwide. To carry out analysis on gut microbial content in patients with type 2 diabetes, we developed a protocol for a metagenome-wide association study (MGWAS) and undertook a two-stage MGWAS based on deep shotgun sequencing of the gut microbial DNA from 345 Chinese individuals. We identified and validated approximately 60,000 type-2-diabetes-associated markers and established the concept of a metagenomic linkage group, enabling taxonomic species-level analyses. MGWAS analysis showed that patients with type 2 diabetes were characterized by a moderate degree of gut microbial dysbiosis, a decrease in the abundance of some universal butyrate-producing bacteria and an increase in various opportunistic pathogens, as well as an enrichment of other microbial functions conferring sulphate reduction and oxidative stress resistance. An analysis of 23 additional individuals demonstrated that these gut microbial markers might be useful for classifying type 2 diabetes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Qin, Junjie -- Li, Yingrui -- Cai, Zhiming -- Li, Shenghui -- Zhu, Jianfeng -- Zhang, Fan -- Liang, Suisha -- Zhang, Wenwei -- Guan, Yuanlin -- Shen, Dongqian -- Peng, Yangqing -- Zhang, Dongya -- Jie, Zhuye -- Wu, Wenxian -- Qin, Youwen -- Xue, Wenbin -- Li, Junhua -- Han, Lingchuan -- Lu, Donghui -- Wu, Peixian -- Dai, Yali -- Sun, Xiaojuan -- Li, Zesong -- Tang, Aifa -- Zhong, Shilong -- Li, Xiaoping -- Chen, Weineng -- Xu, Ran -- Wang, Mingbang -- Feng, Qiang -- Gong, Meihua -- Yu, Jing -- Zhang, Yanyan -- Zhang, Ming -- Hansen, Torben -- Sanchez, Gaston -- Raes, Jeroen -- Falony, Gwen -- Okuda, Shujiro -- Almeida, Mathieu -- LeChatelier, Emmanuelle -- Renault, Pierre -- Pons, Nicolas -- Batto, Jean-Michel -- Zhang, Zhaoxi -- Chen, Hua -- Yang, Ruifu -- Zheng, Weimou -- Li, Songgang -- Yang, Huanming -- Wang, Jian -- Ehrlich, S Dusko -- Nielsen, Rasmus -- Pedersen, Oluf -- Kristiansen, Karsten -- Wang, Jun -- England -- Nature. 2012 Oct 4;490(7418):55-60. doi: 10.1038/nature11450. Epub 2012 Sep 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉BGI-Shenzhen, Shenzhen 518083, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23023125" target="_blank"〉PubMed〈/a〉
    Keywords: Asian Continental Ancestry Group ; Butyrates/metabolism ; China/ethnology ; Cohort Studies ; Diabetes Mellitus, Type ; 2/classification/complications/*microbiology/physiopathology ; Feces/microbiology ; Genetic Linkage/genetics ; Genetic Markers ; Genome-Wide Association Study/*methods ; High-Throughput Nucleotide Sequencing ; Humans ; Intestines/*microbiology ; Metabolic Networks and Pathways/genetics ; Metagenome/*genetics ; Metagenomics/*methods ; Opportunistic Infections/complications/microbiology ; Reference Standards ; Sulfates/metabolism
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  • 8
    Publication Date: 2013-08-13
    Description: KRAS and BRAF activating mutations drive tumorigenesis through constitutive activation of the MAPK pathway. As these tumours represent an area of high unmet medical need, multiple allosteric MEK inhibitors, which inhibit MAPK signalling in both genotypes, are being tested in clinical trials. Impressive single-agent activity in BRAF-mutant melanoma has been observed; however, efficacy has been far less robust in KRAS-mutant disease. Here we show that, owing to distinct mechanisms regulating MEK activation in KRAS- versus BRAF-driven tumours, different mechanisms of inhibition are required for optimal antitumour activity in each genotype. Structural and functional analysis illustrates that MEK inhibitors with superior efficacy in KRAS-driven tumours (GDC-0623 and G-573, the former currently in phase I clinical trials) form a strong hydrogen-bond interaction with S212 in MEK that is critical for blocking MEK feedback phosphorylation by wild-type RAF. Conversely, potent inhibition of active, phosphorylated MEK is required for strong inhibition of the MAPK pathway in BRAF-mutant tumours, resulting in superior efficacy in this genotype with GDC-0973 (also known as cobimetinib), a MEK inhibitor currently in phase III clinical trials. Our study highlights that differences in the activation state of MEK in KRAS-mutant tumours versus BRAF-mutant tumours can be exploited through the design of inhibitors that uniquely target these distinct activation states of MEK. These inhibitors are currently being evaluated in clinical trials to determine whether improvements in therapeutic index within KRAS versus BRAF preclinical models translate to improved clinical responses in patients.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hatzivassiliou, Georgia -- Haling, Jacob R -- Chen, Huifen -- Song, Kyung -- Price, Steve -- Heald, Robert -- Hewitt, Joanne F M -- Zak, Mark -- Peck, Ariana -- Orr, Christine -- Merchant, Mark -- Hoeflich, Klaus P -- Chan, Jocelyn -- Luoh, Shiuh-Ming -- Anderson, Daniel J -- Ludlam, Mary J C -- Wiesmann, Christian -- Ultsch, Mark -- Friedman, Lori S -- Malek, Shiva -- Belvin, Marcia -- England -- Nature. 2013 Sep 12;501(7466):232-6. doi: 10.1038/nature12441. Epub 2013 Aug 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Translational Oncology, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, USA. hatzivassiliou.georgia@gene.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23934108" target="_blank"〉PubMed〈/a〉
    Keywords: Allosteric Regulation/drug effects ; Azetidines/pharmacology ; Cell Survival/drug effects ; Clinical Trials as Topic ; Crystallography, X-Ray ; Enzyme Activation/drug effects ; Feedback, Physiological/drug effects ; Genes, ras/*genetics ; HCT116 Cells ; Humans ; MAP Kinase Signaling System/drug effects ; Mitogen-Activated Protein Kinase Kinases/*antagonists & ; inhibitors/chemistry/metabolism ; Models, Molecular ; Neoplasms/*enzymology/*genetics/pathology ; Oncogene Protein p21(ras)/*genetics ; Phosphorylation/drug effects ; Phosphoserine/metabolism ; Piperidines/pharmacology ; Protein Kinase Inhibitors/*pharmacology ; Proto-Oncogene Proteins B-raf/genetics/*metabolism
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  • 9
    Publication Date: 2013-05-03
    Description: MicroRNAs (miRNAs) are generated by two-step processing to yield small RNAs that negatively regulate target gene expression at the post-transcriptional level. Deregulation of miRNAs has been linked to diverse pathological processes, including cancer. Recent studies have also implicated miRNAs in the regulation of cellular response to a spectrum of stresses, such as hypoxia, which is frequently encountered in the poorly angiogenic core of a solid tumour. However, the upstream regulators of miRNA biogenesis machineries remain obscure, raising the question of how tumour cells efficiently coordinate and impose specificity on miRNA expression and function in response to stresses. Here we show that epidermal growth factor receptor (EGFR), which is the product of a well-characterized oncogene in human cancers, suppresses the maturation of specific tumour-suppressor-like miRNAs in response to hypoxic stress through phosphorylation of argonaute 2 (AGO2) at Tyr 393. The association between EGFR and AGO2 is enhanced by hypoxia, leading to elevated AGO2-Y393 phosphorylation, which in turn reduces the binding of Dicer to AGO2 and inhibits miRNA processing from precursor miRNAs to mature miRNAs. We also identify a long-loop structure in precursor miRNAs as a critical regulatory element in phospho-Y393-AGO2-mediated miRNA maturation. Furthermore, AGO2-Y393 phosphorylation mediates EGFR-enhanced cell survival and invasiveness under hypoxia, and correlates with poorer overall survival in breast cancer patients. Our study reveals a previously unrecognized function of EGFR in miRNA maturation and demonstrates how EGFR is likely to function as a regulator of AGO2 through novel post-translational modification. These findings suggest that modulation of miRNA biogenesis is important for stress response in tumour cells and has potential clinical implications.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3717558/" 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/PMC3717558/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shen, Jia -- Xia, Weiya -- Khotskaya, Yekaterina B -- Huo, Longfei -- Nakanishi, Kotaro -- Lim, Seung-Oe -- Du, Yi -- Wang, Yan -- Chang, Wei-Chao -- Chen, Chung-Hsuan -- Hsu, Jennifer L -- Wu, Yun -- Lam, Yung Carmen -- James, Brian P -- Liu, Xiuping -- Liu, Chang-Gong -- Patel, Dinshaw J -- Hung, Mien-Chie -- CA099031/CA/NCI NIH HHS/ -- CA109311/CA/NCI NIH HHS/ -- CA16672/CA/NCI NIH HHS/ -- P01 CA099031/CA/NCI NIH HHS/ -- P30 CA016672/CA/NCI NIH HHS/ -- R01 CA109311/CA/NCI NIH HHS/ -- England -- Nature. 2013 May 16;497(7449):383-7. doi: 10.1038/nature12080. Epub 2013 May 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, Texas 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23636329" target="_blank"〉PubMed〈/a〉
    Keywords: Argonaute Proteins/*chemistry/*metabolism ; Breast Neoplasms/genetics/metabolism/mortality/pathology ; Cell Hypoxia/genetics/*physiology ; Cell Line, Tumor ; Cell Survival ; Female ; Gene Expression Regulation, Neoplastic ; Humans ; MicroRNAs/biosynthesis/chemistry/genetics/*metabolism ; Neoplasm Invasiveness ; Nucleic Acid Conformation ; Phosphorylation ; Phosphotyrosine/metabolism ; Prognosis ; Protein Binding ; RNA Precursors/chemistry/genetics/metabolism ; Receptor, Epidermal Growth Factor/*metabolism ; Ribonuclease III/metabolism ; Survival Analysis
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  • 10
    Publication Date: 2014-10-14
    Description: Alzheimer's disease is the most common form of dementia, characterized by two pathological hallmarks: amyloid-beta plaques and neurofibrillary tangles. The amyloid hypothesis of Alzheimer's disease posits that the excessive accumulation of amyloid-beta peptide leads to neurofibrillary tangles composed of aggregated hyperphosphorylated tau. However, to date, no single disease model has serially linked these two pathological events using human neuronal cells. Mouse models with familial Alzheimer's disease (FAD) mutations exhibit amyloid-beta-induced synaptic and memory deficits but they do not fully recapitulate other key pathological events of Alzheimer's disease, including distinct neurofibrillary tangle pathology. Human neurons derived from Alzheimer's disease patients have shown elevated levels of toxic amyloid-beta species and phosphorylated tau but did not demonstrate amyloid-beta plaques or neurofibrillary tangles. Here we report that FAD mutations in beta-amyloid precursor protein and presenilin 1 are able to induce robust extracellular deposition of amyloid-beta, including amyloid-beta plaques, in a human neural stem-cell-derived three-dimensional (3D) culture system. More importantly, the 3D-differentiated neuronal cells expressing FAD mutations exhibited high levels of detergent-resistant, silver-positive aggregates of phosphorylated tau in the soma and neurites, as well as filamentous tau, as detected by immunoelectron microscopy. Inhibition of amyloid-beta generation with beta- or gamma-secretase inhibitors not only decreased amyloid-beta pathology, but also attenuated tauopathy. We also found that glycogen synthase kinase 3 (GSK3) regulated amyloid-beta-mediated tau phosphorylation. We have successfully recapitulated amyloid-beta and tau pathology in a single 3D human neural cell culture system. Our unique strategy for recapitulating Alzheimer's disease pathology in a 3D neural cell culture model should also serve to facilitate the development of more precise human neural cell models of other neurodegenerative disorders.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4366007/" 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/PMC4366007/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Choi, Se Hoon -- Kim, Young Hye -- Hebisch, Matthias -- Sliwinski, Christopher -- Lee, Seungkyu -- D'Avanzo, Carla -- Chen, Hechao -- Hooli, Basavaraj -- Asselin, Caroline -- Muffat, Julien -- Klee, Justin B -- Zhang, Can -- Wainger, Brian J -- Peitz, Michael -- Kovacs, Dora M -- Woolf, Clifford J -- Wagner, Steven L -- Tanzi, Rudolph E -- Kim, Doo Yeon -- 5P01AG15379/AG/NIA NIH HHS/ -- 5R37MH060009/MH/NIMH NIH HHS/ -- P01 AG004953/AG/NIA NIH HHS/ -- P01 AG015379/AG/NIA NIH HHS/ -- P30 HD018655/HD/NICHD NIH HHS/ -- P30 NS045776/NS/NINDS NIH HHS/ -- P50 AG005134/AG/NIA NIH HHS/ -- R01 AG014713/AG/NIA NIH HHS/ -- R01 NS045860/NS/NINDS NIH HHS/ -- R21 AG031483/AG/NIA NIH HHS/ -- RF1 AG048080/AG/NIA NIH HHS/ -- England -- Nature. 2014 Nov 13;515(7526):274-8. doi: 10.1038/nature13800. Epub 2014 Oct 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Genetics and Aging Research Unit, MassGeneral Institute for Neurodegenerative Disease, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129, USA [2]. ; 1] Genetics and Aging Research Unit, MassGeneral Institute for Neurodegenerative Disease, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129, USA [2] Division of Mass Spectrometry Research, Korea Basic Science Institute, Cheongju-si, Chungbuk 363-883, South Korea [3]. ; 1] Genetics and Aging Research Unit, MassGeneral Institute for Neurodegenerative Disease, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129, USA [2] Institute of Reconstructive Neurobiology, Life and Brain Center, University of Bonn and Hertie Foundation, 53127 Bonn, Germany. ; Genetics and Aging Research Unit, MassGeneral Institute for Neurodegenerative Disease, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129, USA. ; FM Kirby Neurobiology Center, Boston Children's Hospital and Harvard Stem Cell Institute, Boston, Massachusetts 02115, USA. ; The Whitehead Institute for Biomedical Research, Cambridge, Massachusetts 02142, USA. ; Institute of Reconstructive Neurobiology, Life and Brain Center, University of Bonn and Hertie Foundation, 53127 Bonn, Germany. ; Department of Neurosciences, University of California, San Diego, La Jolla, California 92093, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25307057" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/genetics/*metabolism/*pathology ; Amyloid beta-Peptides/chemistry/genetics/metabolism ; Cell Culture Techniques/*methods ; Cell Differentiation ; Drug Evaluation, Preclinical/methods ; Extracellular Space/metabolism ; Glycogen Synthase Kinase 3/metabolism ; Humans ; Microtubule-Associated Proteins/metabolism ; *Models, Biological ; Neural Stem Cells/*metabolism/pathology ; Neurites/metabolism ; Phosphorylation ; Presenilin-1/metabolism ; Protein Aggregation, Pathological ; Reproducibility of Results ; tau Proteins/chemistry/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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