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  • Male  (48)
  • Molecular Sequence Data  (17)
  • Cell Line  (13)
  • Cell Line, Tumor  (11)
  • Nature Publishing Group (NPG)  (77)
  • American Geophysical Union (AGU)
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  • 1
    Publication Date: 2008-10-10
    Description: Plasmodium knowlesi is an intracellular malaria parasite whose natural vertebrate host is Macaca fascicularis (the 'kra' monkey); however, it is now increasingly recognized as a significant cause of human malaria, particularly in southeast Asia. Plasmodium knowlesi was the first malaria parasite species in which antigenic variation was demonstrated, and it has a close phylogenetic relationship to Plasmodium vivax, the second most important species of human malaria parasite (reviewed in ref. 4). Despite their relatedness, there are important phenotypic differences between them, such as host blood cell preference, absence of a dormant liver stage or 'hypnozoite' in P. knowlesi, and length of the asexual cycle (reviewed in ref. 4). Here we present an analysis of the P. knowlesi (H strain, Pk1(A+) clone) nuclear genome sequence. This is the first monkey malaria parasite genome to be described, and it provides an opportunity for comparison with the recently completed P. vivax genome and other sequenced Plasmodium genomes. In contrast to other Plasmodium genomes, putative variant antigen families are dispersed throughout the genome and are associated with intrachromosomal telomere repeats. One of these families, the KIRs, contains sequences that collectively match over one-half of the host CD99 extracellular domain, which may represent an unusual form of molecular mimicry.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2656934/" 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/PMC2656934/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pain, A -- Bohme, U -- Berry, A E -- Mungall, K -- Finn, R D -- Jackson, A P -- Mourier, T -- Mistry, J -- Pasini, E M -- Aslett, M A -- Balasubrammaniam, S -- Borgwardt, K -- Brooks, K -- Carret, C -- Carver, T J -- Cherevach, I -- Chillingworth, T -- Clark, T G -- Galinski, M R -- Hall, N -- Harper, D -- Harris, D -- Hauser, H -- Ivens, A -- Janssen, C S -- Keane, T -- Larke, N -- Lapp, S -- Marti, M -- Moule, S -- Meyer, I M -- Ormond, D -- Peters, N -- Sanders, M -- Sanders, S -- Sargeant, T J -- Simmonds, M -- Smith, F -- Squares, R -- Thurston, S -- Tivey, A R -- Walker, D -- White, B -- Zuiderwijk, E -- Churcher, C -- Quail, M A -- Cowman, A F -- Turner, C M R -- Rajandream, M A -- Kocken, C H M -- Thomas, A W -- Newbold, C I -- Barrell, B G -- Berriman, M -- 085775/Wellcome Trust/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2008 Oct 9;455(7214):799-803. doi: 10.1038/nature07306.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Trust Sanger Institute, Genome Campus, Hinxton, Cambridgeshire CB10 1SA, UK. ap2@sanger.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18843368" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antigens, CD/chemistry/genetics ; Chromosomes/genetics ; Conserved Sequence ; Genes, Protozoan/genetics ; Genome, Protozoan/*genetics ; *Genomics ; Humans ; Macaca mulatta/*parasitology ; Malaria/*parasitology ; Molecular Sequence Data ; Plasmodium knowlesi/classification/*genetics/physiology ; Protein Structure, Tertiary ; Protozoan Proteins/chemistry/genetics ; Sequence Analysis, DNA ; Telomere/genetics
    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: 2014-03-29
    Description: Regulated transcription controls the diversity, developmental pathways and spatial organization of the hundreds of cell types that make up a mammal. Using single-molecule cDNA sequencing, we mapped transcription start sites (TSSs) and their usage in human and mouse primary cells, cell lines and tissues to produce a comprehensive overview of mammalian gene expression across the human body. We find that few genes are truly 'housekeeping', whereas many mammalian promoters are composite entities composed of several closely separated TSSs, with independent cell-type-specific expression profiles. TSSs specific to different cell types evolve at different rates, whereas promoters of broadly expressed genes are the most conserved. Promoter-based expression analysis reveals key transcription factors defining cell states and links them to binding-site motifs. The functions of identified novel transcripts can be predicted by coexpression and sample ontology enrichment analyses. The functional annotation of the mammalian genome 5 (FANTOM5) project provides comprehensive expression profiles and functional annotation of mammalian cell-type-specific transcriptomes with wide applications in biomedical research.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4529748/" 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/PMC4529748/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉FANTOM Consortium and the RIKEN PMI and CLST (DGT) -- Forrest, Alistair R R -- Kawaji, Hideya -- Rehli, Michael -- Baillie, J Kenneth -- de Hoon, Michiel J L -- Haberle, Vanja -- Lassmann, Timo -- Kulakovskiy, Ivan V -- Lizio, Marina -- Itoh, Masayoshi -- Andersson, Robin -- Mungall, Christopher J -- Meehan, Terrence F -- Schmeier, Sebastian -- Bertin, Nicolas -- Jorgensen, Mette -- Dimont, Emmanuel -- Arner, Erik -- Schmidl, Christian -- Schaefer, Ulf -- Medvedeva, Yulia A -- Plessy, Charles -- Vitezic, Morana -- Severin, Jessica -- Semple, Colin A -- Ishizu, Yuri -- Young, Robert S -- Francescatto, Margherita -- Alam, Intikhab -- Albanese, Davide -- Altschuler, Gabriel M -- Arakawa, Takahiro -- Archer, John A C -- Arner, Peter -- Babina, Magda -- Rennie, Sarah -- Balwierz, Piotr J -- Beckhouse, Anthony G -- Pradhan-Bhatt, Swati -- Blake, Judith A -- Blumenthal, Antje -- Bodega, Beatrice -- Bonetti, Alessandro -- Briggs, James -- Brombacher, Frank -- Burroughs, A Maxwell -- Califano, Andrea -- Cannistraci, Carlo V -- Carbajo, Daniel -- Chen, Yun -- Chierici, Marco -- Ciani, Yari -- Clevers, Hans C -- Dalla, Emiliano -- Davis, Carrie A -- Detmar, Michael -- Diehl, Alexander D -- Dohi, Taeko -- Drablos, Finn -- Edge, Albert S B -- Edinger, Matthias -- Ekwall, Karl -- Endoh, Mitsuhiro -- Enomoto, Hideki -- Fagiolini, Michela -- Fairbairn, Lynsey -- Fang, Hai -- Farach-Carson, Mary C -- Faulkner, Geoffrey J -- Favorov, Alexander V -- Fisher, Malcolm E -- Frith, Martin C -- Fujita, Rie -- Fukuda, Shiro -- Furlanello, Cesare -- Furino, Masaaki -- Furusawa, Jun-ichi -- Geijtenbeek, Teunis B -- Gibson, Andrew P -- Gingeras, Thomas -- Goldowitz, Daniel -- Gough, Julian -- Guhl, Sven -- Guler, Reto -- Gustincich, Stefano -- Ha, Thomas J -- Hamaguchi, Masahide -- Hara, Mitsuko -- Harbers, Matthias -- Harshbarger, Jayson -- Hasegawa, Akira -- Hasegawa, Yuki -- Hashimoto, Takehiro -- Herlyn, Meenhard -- Hitchens, Kelly J -- Ho Sui, Shannan J -- Hofmann, Oliver M -- Hoof, Ilka -- Hori, Furni -- Huminiecki, Lukasz -- Iida, Kei -- Ikawa, Tomokatsu -- Jankovic, Boris R -- Jia, Hui -- Joshi, Anagha -- Jurman, Giuseppe -- Kaczkowski, Bogumil -- Kai, Chieko -- Kaida, Kaoru -- Kaiho, Ai -- Kajiyama, Kazuhiro -- Kanamori-Katayama, Mutsumi -- Kasianov, Artem S -- Kasukawa, Takeya -- Katayama, Shintaro -- Kato, Sachi -- Kawaguchi, Shuji -- Kawamoto, Hiroshi -- Kawamura, Yuki I -- Kawashima, Tsugumi -- Kempfle, Judith S -- Kenna, Tony J -- Kere, Juha -- Khachigian, Levon M -- Kitamura, Toshio -- Klinken, S Peter -- Knox, Alan J -- Kojima, Miki -- Kojima, Soichi -- Kondo, Naoto -- Koseki, Haruhiko -- Koyasu, Shigeo -- Krampitz, Sarah -- Kubosaki, Atsutaka -- Kwon, Andrew T -- Laros, Jeroen F J -- Lee, Weonju -- Lennartsson, Andreas -- Li, Kang -- Lilje, Berit -- Lipovich, Leonard -- Mackay-Sim, Alan -- Manabe, Ri-ichiroh -- Mar, Jessica C -- Marchand, Benoit -- Mathelier, Anthony -- Mejhert, Niklas -- Meynert, Alison -- Mizuno, Yosuke -- de Lima Morais, David A -- Morikawa, Hiromasa -- Morimoto, Mitsuru -- Moro, Kazuyo -- Motakis, Efthymios -- Motohashi, Hozumi -- Mummery, Christine L -- Murata, Mitsuyoshi -- Nagao-Sato, Sayaka -- Nakachi, Yutaka -- Nakahara, Fumio -- Nakamura, Toshiyuki -- Nakamura, Yukio -- Nakazato, Kenichi -- van Nimwegen, Erik -- Ninomiya, Noriko -- Nishiyori, Hiromi -- Noma, Shohei -- Noazaki, Tadasuke -- Ogishima, Soichi -- Ohkura, Naganari -- Ohimiya, Hiroko -- Ohno, Hiroshi -- Ohshima, Mitsuhiro -- Okada-Hatakeyama, Mariko -- Okazaki, Yasushi -- Orlando, Valerio -- Ovchinnikov, Dmitry A -- Pain, Arnab -- Passier, Robert -- Patrikakis, Margaret -- Persson, Helena -- Piazza, Silvano -- Prendergast, James G D -- Rackham, Owen J L -- Ramilowski, Jordan A -- Rashid, Mamoon -- Ravasi, Timothy -- Rizzu, Patrizia -- Roncador, Marco -- Roy, Sugata -- Rye, Morten B -- Saijyo, Eri -- Sajantila, Antti -- Saka, Akiko -- Sakaguchi, Shimon -- Sakai, Mizuho -- Sato, Hiroki -- Savvi, Suzana -- Saxena, Alka -- Schneider, Claudio -- Schultes, Erik A -- Schulze-Tanzil, Gundula G -- Schwegmann, Anita -- Sengstag, Thierry -- Sheng, Guojun -- Shimoji, Hisashi -- Shimoni, Yishai -- Shin, Jay W -- Simon, Christophe -- Sugiyama, Daisuke -- Sugiyama, Takaai -- Suzuki, Masanori -- Suzuki, Naoko -- Swoboda, Rolf K -- 't Hoen, Peter A C -- Tagami, Michihira -- Takahashi, Naoko -- Takai, Jun -- Tanaka, Hiroshi -- Tatsukawa, Hideki -- Tatum, Zuotian -- Thompson, Mark -- Toyodo, Hiroo -- Toyoda, Tetsuro -- Valen, Elvind -- van de Wetering, Marc -- van den Berg, Linda M -- Verado, Roberto -- Vijayan, Dipti -- Vorontsov, Ilya E -- Wasserman, Wyeth W -- Watanabe, Shoko -- Wells, Christine A -- Winteringham, Louise N -- Wolvetang, Ernst -- Wood, Emily J -- Yamaguchi, Yoko -- Yamamoto, Masayuki -- Yoneda, Misako -- Yonekura, Yohei -- Yoshida, Shigehiro -- Zabierowski, Susan E -- Zhang, Peter G -- Zhao, Xiaobei -- Zucchelli, Silvia -- Summers, Kim M -- Suzuki, Harukazu -- Daub, Carsten O -- Kawai, Jun -- Heutink, Peter -- Hide, Winston -- Freeman, Tom C -- Lenhard, Boris -- Bajic, Vladimir B -- Taylor, Martin S -- Makeev, Vsevolod J -- Sandelin, Albin -- Hume, David A -- Carninci, Piero -- Hayashizaki, Yoshihide -- BB/F003722/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/G022771/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/I001107/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- MC_PC_U127597124/Medical Research Council/United Kingdom -- MC_UP_1102/1/Medical Research Council/United Kingdom -- R01 DE022969/DE/NIDCR NIH HHS/ -- R01 GM084875/GM/NIGMS NIH HHS/ -- England -- Nature. 2014 Mar 27;507(7493):462-70. doi: 10.1038/nature13182.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24670764" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Atlases as Topic ; Cell Line ; Cells, Cultured ; Cluster Analysis ; Conserved Sequence/genetics ; Gene Expression Regulation/genetics ; Gene Regulatory Networks/genetics ; Genes, Essential/genetics ; Genome/genetics ; Humans ; Mice ; *Molecular Sequence Annotation ; Open Reading Frames/genetics ; Organ Specificity ; Promoter Regions, Genetic/*genetics ; RNA, Messenger/analysis/genetics ; Transcription Factors/metabolism ; Transcription Initiation Site ; Transcription, Genetic/genetics ; Transcriptome/*genetics
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    Electronic ISSN: 1476-4687
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  • 3
    Publication Date: 2008-06-13
    Description: Animals from flies to humans are able to distinguish subtle gradations in temperature and show strong temperature preferences. Animals move to environments of optimal temperature and some manipulate the temperature of their surroundings, as humans do using clothing and shelter. Despite the ubiquitous influence of environmental temperature on animal behaviour, the neural circuits and strategies through which animals select a preferred temperature remain largely unknown. Here we identify a small set of warmth-activated anterior cell (AC) neurons located in the Drosophila brain, the function of which is critical for preferred temperature selection. AC neuron activation occurs just above the fly's preferred temperature and depends on dTrpA1, an ion channel that functions as a molecular sensor of warmth. Flies that selectively express dTrpA1 in the AC neurons select normal temperatures, whereas flies in which dTrpA1 function is reduced or eliminated choose warmer temperatures. This internal warmth-sensing pathway promotes avoidance of slightly elevated temperatures and acts together with a distinct pathway for cold avoidance to set the fly's preferred temperature. Thus, flies select a preferred temperature by using a thermal sensing pathway tuned to trigger avoidance of temperatures that deviate even slightly from the preferred temperature. This provides a potentially general strategy for robustly selecting a narrow temperature range optimal for survival.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2730888/" 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/PMC2730888/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamada, Fumika N -- Rosenzweig, Mark -- Kang, Kyeongjin -- Pulver, Stefan R -- Ghezzi, Alfredo -- Jegla, Timothy J -- Garrity, Paul A -- P01 NS044232/NS/NINDS NIH HHS/ -- P01 NS044232-060002/NS/NINDS NIH HHS/ -- P01 NS044232-070002/NS/NINDS NIH HHS/ -- P30 NS045713/NS/NINDS NIH HHS/ -- P30 NS045713-069006/NS/NINDS NIH HHS/ -- P30 NS045713S10/NS/NINDS NIH HHS/ -- R01 EY013874/EY/NEI NIH HHS/ -- R01 EY013874-06/EY/NEI NIH HHS/ -- R01 EY13874/EY/NEI NIH HHS/ -- R01 MH067284/MH/NIMH NIH HHS/ -- R01 MH067284-05/MH/NIMH NIH HHS/ -- RR16780/RR/NCRR NIH HHS/ -- England -- Nature. 2008 Jul 10;454(7201):217-20. doi: 10.1038/nature07001. Epub 2008 Jun 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Behavioral Genomics, Volen Center for Complex Systems, Biology Department, Brandeis University MS-008, 415 South Street, Waltham, Massachusetts 02454, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18548007" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Avoidance Learning ; Body Temperature ; Choice Behavior/*physiology ; Drosophila Proteins/genetics/*metabolism ; Drosophila melanogaster/growth & development/*physiology ; Female ; Larva ; Molecular Sequence Data ; Neurons/metabolism ; Oocytes/metabolism ; TRPC Cation Channels/genetics/*metabolism ; *Temperature ; Xenopus laevis
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  • 4
    Publication Date: 2008-08-23
    Description: Adipose tissue is central to the regulation of energy balance. Two functionally different types of fat are present in mammals: white adipose tissue, the primary site of triglyceride storage, and brown adipose tissue, which is specialized in energy expenditure and can counteract obesity. Factors that specify the developmental fate and function of white and brown adipose tissue remain poorly understood. Here we demonstrate that whereas some members of the family of bone morphogenetic proteins (BMPs) support white adipocyte differentiation, BMP7 singularly promotes differentiation of brown preadipocytes even in the absence of the normally required hormonal induction cocktail. BMP7 activates a full program of brown adipogenesis including induction of early regulators of brown fat fate PRDM16 (PR-domain-containing 16; ref. 4) and PGC-1alpha (peroxisome proliferator-activated receptor-gamma (PPARgamma) coactivator-1alpha; ref. 5), increased expression of the brown-fat-defining marker uncoupling protein 1 (UCP1) and adipogenic transcription factors PPARgamma and CCAAT/enhancer-binding proteins (C/EBPs), and induction of mitochondrial biogenesis via p38 mitogen-activated protein (MAP) kinase-(also known as Mapk14) and PGC-1-dependent pathways. Moreover, BMP7 triggers commitment of mesenchymal progenitor cells to a brown adipocyte lineage, and implantation of these cells into nude mice results in development of adipose tissue containing mostly brown adipocytes. Bmp7 knockout embryos show a marked paucity of brown fat and an almost complete absence of UCP1. Adenoviral-mediated expression of BMP7 in mice results in a significant increase in brown, but not white, fat mass and leads to an increase in energy expenditure and a reduction in weight gain. These data reveal an important role of BMP7 in promoting brown adipocyte differentiation and thermogenesis in vivo and in vitro, and provide a potential new therapeutic approach for the treatment of obesity.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2745972/" 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/PMC2745972/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tseng, Yu-Hua -- Kokkotou, Efi -- Schulz, Tim J -- Huang, Tian Lian -- Winnay, Jonathon N -- Taniguchi, Cullen M -- Tran, T Thien -- Suzuki, Ryo -- Espinoza, Daniel O -- Yamamoto, Yuji -- Ahrens, Molly J -- Dudley, Andrew T -- Norris, Andrew W -- Kulkarni, Rohit N -- Kahn, C Ronald -- K08 DK064906/DK/NIDDK NIH HHS/ -- K08 DK64906/DK/NIDDK NIH HHS/ -- P30 DK040561/DK/NIDDK NIH HHS/ -- P30 DK040561-13/DK/NIDDK NIH HHS/ -- P30 DK46200/DK/NIDDK NIH HHS/ -- R01 DK 060837/DK/NIDDK NIH HHS/ -- R01 DK077097/DK/NIDDK NIH HHS/ -- R01 DK077097-01A1/DK/NIDDK NIH HHS/ -- R01 DK077097-02/DK/NIDDK NIH HHS/ -- R01 DK67536/DK/NIDDK NIH HHS/ -- R21 DK070722/DK/NIDDK NIH HHS/ -- R21 DK070722-01/DK/NIDDK NIH HHS/ -- R21 DK070722-02/DK/NIDDK NIH HHS/ -- England -- Nature. 2008 Aug 21;454(7207):1000-4. doi: 10.1038/nature07221.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section on Obesity and Hormone Action, Joslin Diabetes Center, Harvard Medical School, Boston, Massachusetts 02215, USA. yu-hua.tseng@joslin.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18719589" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3-L1 Cells ; *Adipogenesis ; Adipose Tissue, Brown/*growth & development/*metabolism ; Adipose Tissue, White/growth & development ; Animals ; Bone Morphogenetic Protein 7 ; Bone Morphogenetic Proteins/*metabolism ; Cell Line ; *Energy Metabolism/genetics ; Male ; Mesenchymal Stromal Cells/cytology/physiology ; Mice ; Mice, Inbred C57BL ; Mice, Nude ; Mitochondria/physiology ; Thermogenesis ; Transforming Growth Factor beta/*metabolism ; p38 Mitogen-Activated Protein Kinases/metabolism
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  • 5
    Publication Date: 2009-05-09
    Description: Chromatin modifications, especially histone-tail acetylation, have been implicated in memory formation. Increased histone-tail acetylation induced by inhibitors of histone deacetylases (HDACis) facilitates learning and memory in wild-type mice as well as in mouse models of neurodegeneration. Harnessing the therapeutic potential of HDACis requires knowledge of the specific HDAC family member(s) linked to cognitive enhancement. Here we show that neuron-specific overexpression of HDAC2, but not that of HDAC1, decreased dendritic spine density, synapse number, synaptic plasticity and memory formation. Conversely, Hdac2 deficiency resulted in increased synapse number and memory facilitation, similar to chronic treatment with HDACis in mice. Notably, reduced synapse number and learning impairment of HDAC2-overexpressing mice were ameliorated by chronic treatment with HDACis. Correspondingly, treatment with HDACis failed to further facilitate memory formation in Hdac2-deficient mice. Furthermore, analysis of promoter occupancy revealed an association of HDAC2 with the promoters of genes implicated in synaptic plasticity and memory formation. Taken together, our results suggest that HDAC2 functions in modulating synaptic plasticity and long-lasting changes of neural circuits, which in turn negatively regulates learning and memory. These observations encourage the development and testing of HDAC2-selective inhibitors for human diseases associated with memory impairment.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3498958/" 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/PMC3498958/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guan, Ji-Song -- Haggarty, Stephen J -- Giacometti, Emanuela -- Dannenberg, Jan-Hermen -- Joseph, Nadine -- Gao, Jun -- Nieland, Thomas J F -- Zhou, Ying -- Wang, Xinyu -- Mazitschek, Ralph -- Bradner, James E -- DePinho, Ronald A -- Jaenisch, Rudolf -- Tsai, Li-Huei -- R01 DA028301/DA/NIDA NIH HHS/ -- R01 DA028301-02/DA/NIDA NIH HHS/ -- R01 NS051874/NS/NINDS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2009 May 7;459(7243):55-60. doi: 10.1038/nature07925.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19424149" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Butyrates/pharmacology ; Dendritic Spines/physiology ; Electrical Synapses/*physiology ; Female ; Gene Expression Regulation ; Hippocampus/metabolism ; Histone Deacetylase 1 ; Histone Deacetylase 2 ; Histone Deacetylase Inhibitors ; Histone Deacetylases/deficiency/genetics/*metabolism ; Hydroxamic Acids/pharmacology ; Learning/drug effects ; Male ; Memory/drug effects/*physiology ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Neurons/metabolism ; Promoter Regions, Genetic/genetics ; Repressor Proteins/antagonists & inhibitors/genetics/*metabolism ; Sodium/pharmacology
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  • 6
    Publication Date: 2009-10-23
    Description: The tumour stroma is believed to contribute to some of the most malignant characteristics of epithelial tumours. However, signalling between stromal and tumour cells is complex and remains poorly understood. Here we show that the genetic inactivation of Pten in stromal fibroblasts of mouse mammary glands accelerated the initiation, progression and malignant transformation of mammary epithelial tumours. This was associated with the massive remodelling of the extracellular matrix (ECM), innate immune cell infiltration and increased angiogenesis. Loss of Pten in stromal fibroblasts led to increased expression, phosphorylation (T72) and recruitment of Ets2 to target promoters known to be involved in these processes. Remarkably, Ets2 inactivation in Pten stroma-deleted tumours ameliorated disruption of the tumour microenvironment and was sufficient to decrease tumour growth and progression. Global gene expression profiling of mammary stromal cells identified a Pten-specific signature that was highly represented in the tumour stroma of patients with breast cancer. These findings identify the Pten-Ets2 axis as a critical stroma-specific signalling pathway that suppresses mammary epithelial tumours.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2767301/" 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/PMC2767301/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Trimboli, Anthony J -- Cantemir-Stone, Carmen Z -- Li, Fu -- Wallace, Julie A -- Merchant, Anand -- Creasap, Nicholas -- Thompson, John C -- Caserta, Enrico -- Wang, Hui -- Chong, Jean-Leon -- Naidu, Shan -- Wei, Guo -- Sharma, Sudarshana M -- Stephens, Julie A -- Fernandez, Soledad A -- Gurcan, Metin N -- Weinstein, Michael B -- Barsky, Sanford H -- Yee, Lisa -- Rosol, Thomas J -- Stromberg, Paul C -- Robinson, Michael L -- Pepin, Francois -- Hallett, Michael -- Park, Morag -- Ostrowski, Michael C -- Leone, Gustavo -- P01 CA097189/CA/NCI NIH HHS/ -- P01 CA097189-050002/CA/NCI NIH HHS/ -- P01CA097189/CA/NCI NIH HHS/ -- R01 CA053271/CA/NCI NIH HHS/ -- R01 CA085619/CA/NCI NIH HHS/ -- R01 CA085619-05/CA/NCI NIH HHS/ -- R01 CA121275/CA/NCI NIH HHS/ -- R01 CA121275-02/CA/NCI NIH HHS/ -- R01 HD047470/HD/NICHD NIH HHS/ -- R01 HD047470-05/HD/NICHD NIH HHS/ -- R01CA053271/CA/NCI NIH HHS/ -- R01CA85619/CA/NCI NIH HHS/ -- R01HD47470/HD/NICHD NIH HHS/ -- England -- Nature. 2009 Oct 22;461(7267):1084-91. doi: 10.1038/nature08486.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics, College of Biological Sciences, The Ohio State University, Columbus, Ohio 43210, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19847259" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breast Neoplasms/*metabolism/*pathology ; Cell Line, Tumor ; Cell Proliferation ; Cell Transformation, Neoplastic ; Extracellular Matrix/metabolism ; Fibroblasts/*metabolism ; Gene Deletion ; Gene Expression Regulation, Neoplastic ; Humans ; Immunity, Innate ; Mammary Neoplasms, Experimental/metabolism/pathology ; Mice ; Mice, Transgenic ; Neoplasms, Glandular and Epithelial/*metabolism/*pathology ; PTEN Phosphohydrolase/deficiency/genetics/*metabolism ; Proto-Oncogene Protein c-ets-2/deficiency/metabolism ; Stromal Cells/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2009-04-28
    Description: Dengue fever is the most frequent arthropod-borne viral disease of humans, with almost half of the world's population at risk of infection. The high prevalence, lack of an effective vaccine, and absence of specific treatment conspire to make dengue fever a global public health threat. Given their compact genomes, dengue viruses (DENV-1-4) and other flaviviruses probably require an extensive number of host factors; however, only a limited number of human, and an even smaller number of insect host factors, have been identified. Here we identify insect host factors required for DENV-2 propagation, by carrying out a genome-wide RNA interference screen in Drosophila melanogaster cells using a well-established 22,632 double-stranded RNA library. This screen identified 116 candidate dengue virus host factors (DVHFs). Although some were previously associated with flaviviruses (for example, V-ATPases and alpha-glucosidases), most of the DVHFs were newly implicated in dengue virus propagation. The dipteran DVHFs had 82 readily recognizable human homologues and, using a targeted short-interfering-RNA screen, we showed that 42 of these are human DVHFs. This indicates notable conservation of required factors between dipteran and human hosts. This work suggests new approaches to control infection in the insect vector and the mammalian host.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3462662/" 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/PMC3462662/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sessions, October M -- Barrows, Nicholas J -- Souza-Neto, Jayme A -- Robinson, Timothy J -- Hershey, Christine L -- Rodgers, Mary A -- Ramirez, Jose L -- Dimopoulos, George -- Yang, Priscilla L -- Pearson, James L -- Garcia-Blanco, Mariano A -- 1R01AI061576-01/AI/NIAID NIH HHS/ -- 1R01AI076442/AI/NIAID NIH HHS/ -- 1SA0RR024572-1/RR/NCRR NIH HHS/ -- 5P30-CA14236/CA/NCI NIH HHS/ -- 5U54-AI057157-05S/AI/NIAID NIH HHS/ -- R01 AI076442/AI/NIAID NIH HHS/ -- R01 AI078997/AI/NIAID NIH HHS/ -- R01 AI078997-01A1/AI/NIAID NIH HHS/ -- R01 AI078997-02/AI/NIAID NIH HHS/ -- R01 GM067761/GM/NIGMS NIH HHS/ -- R21 AI090188/AI/NIAID NIH HHS/ -- R21 AI090188-01/AI/NIAID NIH HHS/ -- R21 NS063845/NS/NINDS NIH HHS/ -- R21-AI64925/AI/NIAID NIH HHS/ -- T32 AI007417/AI/NIAID NIH HHS/ -- U54 AI057157/AI/NIAID NIH HHS/ -- U54 AI057159/AI/NIAID NIH HHS/ -- England -- Nature. 2009 Apr 23;458(7241):1047-50. doi: 10.1038/nature07967.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina 27710, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19396146" target="_blank"〉PubMed〈/a〉
    Keywords: Aedes/genetics/virology ; Animals ; Cell Line ; Conserved Sequence/*genetics/physiology ; Dengue Virus/*physiology ; Drosophila melanogaster/*genetics/physiology/*virology ; Gene Knockdown Techniques ; Genome, Insect/genetics ; Host-Pathogen Interactions/*genetics ; Humans ; Insect Vectors/*genetics/*physiology ; RNA Interference ; RNA, Double-Stranded/genetics/metabolism ; Virus Replication
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 2009-08-28
    Description: Sex in birds is chromosomally based, as in mammals, but the sex chromosomes are different and the mechanism of avian sex determination has been a long-standing mystery. In the chicken and all other birds, the homogametic sex is male (ZZ) and the heterogametic sex is female (ZW). Two hypotheses have been proposed for the mechanism of avian sex determination. The W (female) chromosome may carry a dominant-acting ovary determinant. Alternatively, the dosage of a Z-linked gene may mediate sex determination, two doses being required for male development (ZZ). A strong candidate avian sex-determinant under the dosage hypothesis is the conserved Z-linked gene, DMRT1 (doublesex and mab-3-related transcription factor 1). Here we used RNA interference (RNAi) to knock down DMRT1 in early chicken embryos. Reduction of DMRT1 protein expression in ovo leads to feminization of the embryonic gonads in genetically male (ZZ) embryos. Affected males show partial sex reversal, characterized by feminization of the gonads. The feminized left gonad shows female-like histology, disorganized testis cords and a decline in the testicular marker, SOX9. The ovarian marker, aromatase, is ectopically activated. The feminized right gonad shows a more variable loss of DMRT1 and ectopic aromatase activation, suggesting differential sensitivity to DMRT1 between left and right gonads. Germ cells also show a female pattern of distribution in the feminized male gonads. These results indicate that DMRT1 is required for testis determination in the chicken. Our data support the Z dosage hypothesis for avian sex determination.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, Craig A -- Roeszler, Kelly N -- Ohnesorg, Thomas -- Cummins, David M -- Farlie, Peter G -- Doran, Timothy J -- Sinclair, Andrew H -- England -- Nature. 2009 Sep 10;461(7261):267-71. doi: 10.1038/nature08298. Epub 2009 Aug 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Murdoch Children's Research Institute and Department of Paediatrics, The University of Melbourne, Royal Children's Hospital, Melbourne, Victoria 3052, Australia. craig.smith@mcri.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19710650" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomarkers/analysis ; Cell Line ; Chick Embryo ; Chickens/*genetics/*physiology ; Disorders of Sex Development ; Down-Regulation ; Female ; Gene Dosage/genetics ; Male ; MicroRNAs/genetics/metabolism ; Models, Genetic ; Ovary/embryology/metabolism ; RNA Interference ; SOX9 Transcription Factor/genetics/metabolism ; *Sex Characteristics ; Sex Chromosomes/*genetics ; *Sex Determination Processes ; Testis/embryology/metabolism ; Transcription Factors/deficiency/*genetics/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2009-12-25
    Description: Evenly spaced nucleosomes directly correlate with condensed chromatin and gene silencing. The ATP-dependent chromatin assembly factor (ACF) forms such structures in vitro and is required for silencing in vivo. ACF generates and maintains nucleosome spacing by constantly moving a nucleosome towards the longer flanking DNA faster than the shorter flanking DNA. How the enzyme rapidly moves back and forth between both sides of a nucleosome to accomplish bidirectional movement is unknown. Here we show that nucleosome movement depends cooperatively on two ACF molecules, indicating that ACF functions as a dimer of ATPases. Further, the nucleotide state determines whether the dimer closely engages one or both sides of the nucleosome. Three-dimensional reconstruction by single-particle electron microscopy of the ATPase-nucleosome complex in an activated ATP state reveals a dimer architecture in which the two ATPases face each other. Our results indicate a model in which the two ATPases work in a coordinated manner, taking turns to engage either side of a nucleosome, thereby allowing processive bidirectional movement. This novel dimeric motor mechanism differs from that of dimeric motors such as kinesin and dimeric helicases that processively translocate unidirectionally and reflects the unique challenges faced by motors that move nucleosomes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2869534/" 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/PMC2869534/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Racki, Lisa R -- Yang, Janet G -- Naber, Nariman -- Partensky, Peretz D -- Acevedo, Ashley -- Purcell, Thomas J -- Cooke, Roger -- Cheng, Yifan -- Narlikar, Geeta J -- R01 GM073767/GM/NIGMS NIH HHS/ -- R01 GM073767-01/GM/NIGMS NIH HHS/ -- R01 GM073767-02/GM/NIGMS NIH HHS/ -- R01 GM073767-03/GM/NIGMS NIH HHS/ -- R01 GM073767-03S1/GM/NIGMS NIH HHS/ -- R01 GM073767-04/GM/NIGMS NIH HHS/ -- R01 GM073767-05/GM/NIGMS NIH HHS/ -- England -- Nature. 2009 Dec 24;462(7276):1016-21. doi: 10.1038/nature08621.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Biophysics, University of California, San Francisco, California 94158, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20033039" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphatases/metabolism ; Adenosine Triphosphate/metabolism ; Animals ; Cell Line ; Chromatin Assembly and Disassembly/*physiology ; Dimerization ; Gene Silencing/physiology ; Histones/metabolism ; Humans ; Microscopy, Electron, Transmission ; *Models, Molecular ; Multiprotein Complexes/*metabolism ; Nucleosomes/chemistry/*metabolism ; Protein Binding ; Protein Structure, Tertiary ; Transcription Factors/chemistry/metabolism
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  • 10
    Publication Date: 2015-08-11
    Description: The typical response of the adult mammalian pulmonary circulation to a low oxygen environment is vasoconstriction and structural remodelling of pulmonary arterioles, leading to chronic elevation of pulmonary artery pressure (pulmonary hypertension) and right ventricular hypertrophy. Some mammals, however, exhibit genetic resistance to hypoxia-induced pulmonary hypertension. We used a congenic breeding program and comparative genomics to exploit this variation in the rat and identified the gene Slc39a12 as a major regulator of hypoxia-induced pulmonary vascular remodelling. Slc39a12 encodes the zinc transporter ZIP12. Here we report that ZIP12 expression is increased in many cell types, including endothelial, smooth muscle and interstitial cells, in the remodelled pulmonary arterioles of rats, cows and humans susceptible to hypoxia-induced pulmonary hypertension. We show that ZIP12 expression in pulmonary vascular smooth muscle cells is hypoxia dependent and that targeted inhibition of ZIP12 inhibits the rise in intracellular labile zinc in hypoxia-exposed pulmonary vascular smooth muscle cells and their proliferation in culture. We demonstrate that genetic disruption of ZIP12 expression attenuates the development of pulmonary hypertension in rats housed in a hypoxic atmosphere. This new and unexpected insight into the fundamental role of a zinc transporter in mammalian pulmonary vascular homeostasis suggests a new drug target for the pharmacological management of pulmonary hypertension.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, Lan -- Oliver, Eduardo -- Maratou, Klio -- Atanur, Santosh S -- Dubois, Olivier D -- Cotroneo, Emanuele -- Chen, Chien-Nien -- Wang, Lei -- Arce, Cristina -- Chabosseau, Pauline L -- Ponsa-Cobas, Joan -- Frid, Maria G -- Moyon, Benjamin -- Webster, Zoe -- Aldashev, Almaz -- Ferrer, Jorge -- Rutter, Guy A -- Stenmark, Kurt R -- Aitman, Timothy J -- Wilkins, Martin R -- 098424/Wellcome Trust/United Kingdom -- 101033/Wellcome Trust/United Kingdom -- MR/J0003042/1/Medical Research Council/United Kingdom -- P01 HL014985/HL/NHLBI NIH HHS/ -- PG/04/035/16912/British Heart Foundation/United Kingdom -- PG/10/59/28478/British Heart Foundation/United Kingdom -- PG/12/61/29818/British Heart Foundation/United Kingdom -- PG/2000137/British Heart Foundation/United Kingdom -- PG/95170/British Heart Foundation/United Kingdom -- PG/98018/British Heart Foundation/United Kingdom -- RG/10/16/28575/British Heart Foundation/United Kingdom -- WT098424AIA/Wellcome Trust/United Kingdom -- England -- Nature. 2015 Aug 20;524(7565):356-60. doi: 10.1038/nature14620. Epub 2015 Aug 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Pharmacology and Therapeutics, Division of Experimental Medicine, Imperial College London, Hammersmith Hospital, London W12 0NN, UK. ; Physiological Genomics and Medicine Group, Medical Research Council Clinical Sciences Centre, Hammersmith Hospital, London W12 0NN, UK. ; Section of Epigenomics and Disease, Department of Medicine, Faculty of Medicine, Imperial College London, Hammersmith Hospital, London W12 0NN, UK. ; Department of Pediatrics and Medicine, Division of Critical Care Medicine and Cardiovascular Pulmonary Research Laboratories, University of Colorado Denver, Denver, Colorado 80045, USA. ; Transgenics and Embryonic Stem Cell Laboratory, Medical Research Council Clinical Sciences Centre, Hammersmith Hospital, London W12 0NN, UK. ; Institute of Molecular Biology and Medicine, 3 Togolok Moldo Street, Bishkek 720040, Kyrgyzstan. ; Section of Cell Biology and Functional Genomics, Division of Diabetes, Endocrinology and Metabolism, Imperial College London, Hammersmith Hospital, London W12 0NN, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26258299" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Congenic ; Anoxia/genetics/*metabolism ; Arterioles/metabolism ; Cation Transport Proteins/deficiency/genetics/*metabolism ; Cattle ; Cell Hypoxia ; Cell Proliferation ; Cells, Cultured ; Chromosomes, Mammalian/genetics ; Chronic Disease ; Female ; Gene Knockdown Techniques ; Homeostasis ; Humans ; Hypertension, Pulmonary/genetics/*metabolism ; Intracellular Space/metabolism ; Male ; Muscle, Smooth, Vascular/cytology/*metabolism ; Rats ; Rats, Inbred F344 ; Rats, Inbred WKY ; Zinc/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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