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  • Mice, Inbred C57BL  (19)
  • American Association for the Advancement of Science (AAAS)  (19)
  • American Physical Society
  • 2010-2014  (19)
  • 1980-1984
  • 1955-1959
  • 2011  (19)
Collection
Keywords
Publisher
Years
  • 2010-2014  (19)
  • 1980-1984
  • 1955-1959
Year
  • 1
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    Pretreatment mitochondrial priming correlates with clinical response to cytotoxic chemotherapy (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-10-29
    Description: Cytotoxic chemotherapy targets elements common to all nucleated human cells, such as DNA and microtubules, yet it selectively kills tumor cells. Here we show that clinical response to these drugs correlates with, and may be partially governed by, the pretreatment proximity of tumor cell mitochondria to the apoptotic threshold, a property called mitochondrial priming. We used BH3 profiling to measure priming in tumor cells from patients with multiple myeloma, acute myelogenous and lymphoblastic leukemia, and ovarian cancer. This assay measures mitochondrial response to peptides derived from proapoptotic BH3 domains of proteins critical for death signaling to mitochondria. Patients with highly primed cancers exhibited superior clinical response to chemotherapy. In contrast, chemoresistant cancers and normal tissues were poorly primed. Manipulation of mitochondrial priming might enhance the efficacy of cytotoxic agents.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3280949/" 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/PMC3280949/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ni Chonghaile, Triona -- Sarosiek, Kristopher A -- Vo, Thanh-Trang -- Ryan, Jeremy A -- Tammareddi, Anupama -- Moore, Victoria Del Gaizo -- Deng, Jing -- Anderson, Kenneth C -- Richardson, Paul -- Tai, Yu-Tzu -- Mitsiades, Constantine S -- Matulonis, Ursula A -- Drapkin, Ronny -- Stone, Richard -- Deangelo, Daniel J -- McConkey, David J -- Sallan, Stephen E -- Silverman, Lewis -- Hirsch, Michelle S -- Carrasco, Daniel Ruben -- Letai, Anthony -- P01CA068484/CA/NCI NIH HHS/ -- P01CA139980/CA/NCI NIH HHS/ -- R01 CA129974/CA/NCI NIH HHS/ -- R01 CA129974-05/CA/NCI NIH HHS/ -- R01CA129974/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2011 Nov 25;334(6059):1129-33. doi: 10.1126/science.1206727. Epub 2011 Oct 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Oncology, Dana-Farber Cancer Institute, 450 Brookline Avenue, Boston, MA 02215, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22033517" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Animals ; Antineoplastic Agents/*therapeutic use ; *Apoptosis ; Cell Line, Tumor ; Cell Proliferation ; Child ; Disease-Free Survival ; Drug Resistance, Neoplasm ; Female ; Humans ; Leukemia, Myeloid, Acute/drug therapy/physiopathology ; Male ; Membrane Potential, Mitochondrial ; Mice ; Mice, Inbred C57BL ; Middle Aged ; Mitochondria/*physiology ; Multiple Myeloma/drug therapy/physiopathology ; Neoplasms/*drug therapy/*physiopathology ; Ovarian Neoplasms/drug therapy/physiopathology ; Peptide Fragments/metabolism ; Permeability ; Precursor Cell Lymphoblastic Leukemia-Lymphoma/drug therapy/physiopathology ; Proto-Oncogene Proteins c-bcl-2/chemistry/metabolism ; Remission Induction ; Signal Transduction
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    Local macrophage proliferation, rather than recruitment from the blood, is a signature of TH2 inflammation (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-05-14
    Description: A defining feature of inflammation is the accumulation of innate immune cells in the tissue that are thought to be recruited from the blood. We reveal that a distinct process exists in which tissue macrophages undergo rapid in situ proliferation in order to increase population density. This inflammatory mechanism occurred during T helper 2 (T(H)2)-related pathologies under the control of the archetypal T(H)2 cytokine interleukin-4 (IL-4) and was a fundamental component of T(H)2 inflammation because exogenous IL-4 was sufficient to drive accumulation of tissue macrophages through self-renewal. Thus, expansion of innate cells necessary for pathogen control or wound repair can occur without recruitment of potentially tissue-destructive inflammatory cells.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3128495/" 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/PMC3128495/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jenkins, Stephen J -- Ruckerl, Dominik -- Cook, Peter C -- Jones, Lucy H -- Finkelman, Fred D -- van Rooijen, Nico -- MacDonald, Andrew S -- Allen, Judith E -- G0600818/Medical Research Council/United Kingdom -- G0701437/Medical Research Council/United Kingdom -- R01 AI070300/AI/NIAID NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2011 Jun 10;332(6035):1284-8. doi: 10.1126/science.1204351. Epub 2011 May 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Immunity, Infection and Evolution, and the Institute for Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, Edinburgh EH9 3JT, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21566158" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood ; Brugia malayi/immunology ; Cell Proliferation ; Female ; Filariasis/immunology ; Filarioidea/immunology ; Inflammation/*immunology ; Interleukin-4/immunology ; Macrophage Activation ; Macrophages/cytology/*immunology ; Male ; Mice ; Mice, Inbred C57BL ; Monocytes/cytology/immunology ; Th2 Cells/*immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    A circadian rhythm orchestrated by histone deacetylase 3 controls hepatic lipid metabolism (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-03-12
    Description: Disruption of the circadian clock exacerbates metabolic diseases, including obesity and diabetes. We show that histone deacetylase 3 (HDAC3) recruitment to the genome displays a circadian rhythm in mouse liver. Histone acetylation is inversely related to HDAC3 binding, and this rhythm is lost when HDAC3 is absent. Although amounts of HDAC3 are constant, its genomic recruitment in liver corresponds to the expression pattern of the circadian nuclear receptor Rev-erbalpha. Rev-erbalpha colocalizes with HDAC3 near genes regulating lipid metabolism, and deletion of HDAC3 or Rev-erbalpha in mouse liver causes hepatic steatosis. Thus, genomic recruitment of HDAC3 by Rev-erbalpha directs a circadian rhythm of histone acetylation and gene expression required for normal hepatic lipid homeostasis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3389392/" 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/PMC3389392/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feng, Dan -- Liu, Tao -- Sun, Zheng -- Bugge, Anne -- Mullican, Shannon E -- Alenghat, Theresa -- Liu, X Shirley -- Lazar, Mitchell A -- DK19525/DK/NIDDK NIH HHS/ -- DK43806/DK/NIDDK NIH HHS/ -- DK45586/DK/NIDDK NIH HHS/ -- DK49210/DK/NIDDK NIH HHS/ -- HG4069/HG/NHGRI NIH HHS/ -- P30 DK019525/DK/NIDDK NIH HHS/ -- R01 DK045586/DK/NIDDK NIH HHS/ -- R37 DK043806/DK/NIDDK NIH HHS/ -- R37 DK043806-20/DK/NIDDK NIH HHS/ -- RC1 DK086239/DK/NIDDK NIH HHS/ -- RC1DK08623/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2011 Mar 11;331(6022):1315-9. doi: 10.1126/science.1198125.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21393543" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Chromatin Immunoprecipitation ; Chronobiology Disorders/genetics/metabolism ; *Circadian Clocks ; *Circadian Rhythm ; DNA/metabolism ; Epigenesis, Genetic ; Fatty Liver/*metabolism ; Gene Expression Regulation ; *Genome ; Histone Deacetylases/*metabolism ; Histones/metabolism ; Homeostasis ; *Lipid Metabolism ; Lipogenesis/genetics ; Liver/*metabolism ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Molecular Sequence Data ; Nuclear Receptor Co-Repressor 1/metabolism ; Nuclear Receptor Subfamily 1, Group D, Member 1/genetics/metabolism ; RNA Polymerase II/metabolism ; Up-Regulation
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Endocannabinoid hydrolysis generates brain prostaglandins that promote neuroinflammation (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-10-25
    Description: Phospholipase A(2)(PLA(2)) enzymes are considered the primary source of arachidonic acid for cyclooxygenase (COX)-mediated biosynthesis of prostaglandins. Here, we show that a distinct pathway exists in brain, where monoacylglycerol lipase (MAGL) hydrolyzes the endocannabinoid 2-arachidonoylglycerol to generate a major arachidonate precursor pool for neuroinflammatory prostaglandins. MAGL-disrupted animals show neuroprotection in a parkinsonian mouse model. These animals are spared the hemorrhaging caused by COX inhibitors in the gut, where prostaglandins are instead regulated by cytosolic PLA(2). These findings identify MAGL as a distinct metabolic node that couples endocannabinoid to prostaglandin signaling networks in the nervous system and suggest that inhibition of this enzyme may be a new and potentially safer way to suppress the proinflammatory cascades that underlie neurodegenerative disorders.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3249428/" 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/PMC3249428/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nomura, Daniel K -- Morrison, Bradley E -- Blankman, Jacqueline L -- Long, Jonathan Z -- Kinsey, Steven G -- Marcondes, Maria Cecilia G -- Ward, Anna M -- Hahn, Yun Kyung -- Lichtman, Aron H -- Conti, Bruno -- Cravatt, Benjamin F -- 5P01DA009789/DA/NIDA NIH HHS/ -- AG028040/AG/NIA NIH HHS/ -- DA017259/DA/NIDA NIH HHS/ -- DA026261/DA/NIDA NIH HHS/ -- F31 DA026261-03/DA/NIDA NIH HHS/ -- K99 DA030908/DA/NIDA NIH HHS/ -- K99 DA030908-01/DA/NIDA NIH HHS/ -- K99DA030908/DA/NIDA NIH HHS/ -- P01 DA009789/DA/NIDA NIH HHS/ -- P01 DA009789-14/DA/NIDA NIH HHS/ -- P01 DA017259/DA/NIDA NIH HHS/ -- P01 DA017259-08/DA/NIDA NIH HHS/ -- P01DA01725/DA/NIDA NIH HHS/ -- R00 DA030908/DA/NIDA NIH HHS/ -- R00 DA030908-02/DA/NIDA NIH HHS/ -- R00DA030908/DA/NIDA NIH HHS/ -- R01 AG028040/AG/NIA NIH HHS/ -- R01 AG028040-04/AG/NIA NIH HHS/ -- R03 DA027936/DA/NIDA NIH HHS/ -- R03 DA027936-02/DA/NIDA NIH HHS/ -- R03DA027936/DA/NIDA NIH HHS/ -- T32 DA007027/DA/NIDA NIH HHS/ -- T32 DA007027-33/DA/NIDA NIH HHS/ -- T32DA007027/DA/NIDA NIH HHS/ -- New York, N.Y. -- Science. 2011 Nov 11;334(6057):809-13. doi: 10.1126/science.1209200. Epub 2011 Oct 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Skaggs Institute for Chemical Biology and Department of Chemical Physiology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA. dnomura@berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22021672" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arachidonic Acid/metabolism ; Arachidonic Acids/*metabolism ; Benzodioxoles/pharmacology ; Brain/drug effects/*metabolism/pathology ; Cannabinoid Receptor Modulators/*metabolism ; Cyclooxygenase 1/metabolism ; Cytokines/metabolism ; Eicosanoids/metabolism ; *Endocannabinoids ; Enzyme Inhibitors/pharmacology ; Glycerides/*metabolism ; Hydrolysis ; Inflammation/*metabolism/pathology ; Inflammation Mediators/pharmacology ; Lipopolysaccharides/pharmacology ; Liver/metabolism ; Lung/metabolism ; Metabolomics ; Mice ; Mice, Inbred C57BL ; Monoacylglycerol Lipases/antagonists & inhibitors/genetics/*metabolism ; Neuroprotective Agents/pharmacology ; Parkinsonian Disorders/metabolism/pathology ; Phospholipases A2/genetics/metabolism ; Piperidines/pharmacology ; Prostaglandins/biosynthesis/*metabolism ; Signal Transduction
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Exercise and genetic rescue of SCA1 via the transcriptional repressor Capicua (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-11-05
    Description: Spinocerebellar ataxia type 1 (SCA1) is a fatal neurodegenerative disease caused by expansion of a translated CAG repeat in Ataxin-1 (ATXN1). To determine the long-term effects of exercise, we implemented a mild exercise regimen in a mouse model of SCA1 and found a considerable improvement in survival accompanied by up-regulation of epidermal growth factor and consequential down-regulation of Capicua, which is an ATXN1 interactor. Offspring of Capicua mutant mice bred to SCA1 mice showed significant improvement of all disease phenotypes. Although polyglutamine-expanded Atxn1 caused some loss of Capicua function, further reduction of Capicua levels--either genetically or by exercise--mitigated the disease phenotypes by dampening the toxic gain of function. Thus, exercise might have long-term beneficial effects in other ataxias and neurodegenerative diseases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3232424/" 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/PMC3232424/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fryer, John D -- Yu, Peng -- Kang, Hyojin -- Mandel-Brehm, Caleigh -- Carter, Angela N -- Crespo-Barreto, Juan -- Gao, Yan -- Flora, Adriano -- Shaw, Chad -- Orr, Harry T -- Zoghbi, Huda Y -- 1F32NS055545/NS/NINDS NIH HHS/ -- HD24064/HD/NICHD NIH HHS/ -- NS022920/NS/NINDS NIH HHS/ -- NS045667/NS/NINDS NIH HHS/ -- NS27699/NS/NINDS NIH HHS/ -- NS27699-20S1/NS/NINDS NIH HHS/ -- P30 HD024064/HD/NICHD NIH HHS/ -- P30 HD024064-22/HD/NICHD NIH HHS/ -- P30 HD024064-23/HD/NICHD NIH HHS/ -- R01 NS027699/NS/NINDS NIH HHS/ -- R01 NS027699-20S1/NS/NINDS NIH HHS/ -- R01 NS027699-21/NS/NINDS NIH HHS/ -- R01 NS027699-22/NS/NINDS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Nov 4;334(6056):690-3. doi: 10.1126/science.1212673.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22053053" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ataxin-1 ; Ataxins ; Cerebellum/metabolism ; Disease Models, Animal ; *Exercise Therapy ; Gene Knock-In Techniques ; Mice ; Mice, Inbred C57BL ; Mice, Mutant Strains ; Nerve Tissue Proteins/genetics ; Nuclear Proteins/genetics ; Repressor Proteins/genetics/*physiology ; Spinocerebellar Ataxias/genetics/*therapy
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Activation of visual pigments by light and heat (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-06-11
    Description: Vision begins with photoisomerization of visual pigments. Thermal energy can complement photon energy to drive photoisomerization, but it also triggers spontaneous pigment activation as noise that interferes with light detection. For half a century, the mechanism underlying this dark noise has remained controversial. We report here a quantitative relation between a pigment's photoactivation energy and its peak-absorption wavelength, lambda(max). Using this relation and assuming that pigment activations by light and heat go through the same ground-state isomerization energy barrier, we can predict the relative noise of diverse pigments with multi-vibrational-mode thermal statistics. The agreement between predictions and our measurements strongly suggests that pigment noise arises from canonical isomerization. The predicted high noise for pigments with lambda(max) in the infrared presumably explains why they apparently do not exist in nature.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4349410/" 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/PMC4349410/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Luo, Dong-Gen -- Yue, Wendy W S -- Ala-Laurila, Petri -- Yau, King-Wai -- EY06837/EY/NEI NIH HHS/ -- R01 EY006837/EY/NEI NIH HHS/ -- R37 EY006837/EY/NEI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Jun 10;332(6035):1307-12. doi: 10.1126/science.1200172.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA. dgluo@jhmi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21659602" target="_blank"〉PubMed〈/a〉
    Keywords: Ambystoma ; Animals ; Bufo marinus ; Goldfish ; Hot Temperature ; In Vitro Techniques ; Light ; *Light Signal Transduction ; Mice ; Mice, Inbred C57BL ; Photons ; Retinal Cone Photoreceptor Cells/physiology ; Retinal Pigments/chemistry/*physiology/radiation effects ; Rhodopsin/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 7
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    Chemical and genetic engineering of selective ion channel-ligand interactions (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-09-03
    Description: Ionic flux mediates essential physiological and behavioral functions in defined cell populations. Cell type-specific activators of diverse ionic conductances are needed for probing these effects. We combined chemistry and protein engineering to enable the systematic creation of a toolbox of ligand-gated ion channels (LGICs) with orthogonal pharmacologic selectivity and divergent functional properties. The LGICs and their small-molecule effectors were able to activate a range of ionic conductances in genetically specified cell types. LGICs constructed for neuronal perturbation could be used to selectively manipulate neuron activity in mammalian brains in vivo. The diversity of ion channel tools accessible from this approach will be useful for examining the relationship between neuronal activity and animal behavior, as well as for cell biological and physiological applications requiring chemical control of ion conductance.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3210548/" 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/PMC3210548/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Magnus, Christopher J -- Lee, Peter H -- Atasoy, Deniz -- Su, Helen H -- Looger, Loren L -- Sternson, Scott M -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Sep 2;333(6047):1292-6. doi: 10.1126/science.1206606.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Janelia Farm Research Campus, Howard Hughes Medical Institute, 19700 Helix Drive, Ashburn, VA 20147, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21885782" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Benzamides/chemistry/metabolism/pharmacology ; Bicyclo Compounds/chemistry/metabolism/pharmacology ; Brain/cytology/physiology ; Feeding Behavior ; Female ; HEK293 Cells ; Humans ; Ion Channel Gating ; Ligand-Gated Ion Channels/chemistry/*genetics/*metabolism ; Ligands ; Membrane Potentials ; Mice ; Mice, Inbred C57BL ; Mutagenesis ; Neurons/*physiology ; Patch-Clamp Techniques ; Protein Binding ; *Protein Engineering ; Protein Structure, Tertiary ; Quinuclidines/chemistry/metabolism/pharmacology ; Receptors, Glycine/genetics/metabolism ; Receptors, Nicotinic/chemistry/genetics/metabolism ; Receptors, Serotonin, 5-HT3/genetics/metabolism ; Recombinant Fusion Proteins/chemistry/metabolism ; Small Molecule Libraries ; Stereoisomerism ; alpha7 Nicotinic Acetylcholine Receptor
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    The leukemogenicity of AML1-ETO is dependent on site-specific lysine acetylation (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-07-19
    Description: The chromosomal translocations found in acute myelogenous leukemia (AML) generate oncogenic fusion transcription factors with aberrant transcriptional regulatory properties. Although therapeutic targeting of most leukemia fusion proteins remains elusive, the posttranslational modifications that control their function could be targetable. We found that AML1-ETO, the fusion protein generated by the t(8;21) translocation, is acetylated by the transcriptional coactivator p300 in leukemia cells isolated from t(8;21) AML patients, and that this acetylation is essential for its self-renewal-promoting effects in human cord blood CD34(+) cells and its leukemogenicity in mouse models. Inhibition of p300 abrogates the acetylation of AML1-ETO and impairs its ability to promote leukemic transformation. Thus, lysine acetyltransferases represent a potential therapeutic target in AML.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3251012/" 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/PMC3251012/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Lan -- Gural, Alexander -- Sun, Xiao-Jian -- Zhao, Xinyang -- Perna, Fabiana -- Huang, Gang -- Hatlen, Megan A -- Vu, Ly -- Liu, Fan -- Xu, Haiming -- Asai, Takashi -- Xu, Hao -- Deblasio, Tony -- Menendez, Silvia -- Voza, Francesca -- Jiang, Yanwen -- Cole, Philip A -- Zhang, Jinsong -- Melnick, Ari -- Roeder, Robert G -- Nimer, Stephen D -- GM62437/GM/NIGMS NIH HHS/ -- R01 GM062437/GM/NIGMS NIH HHS/ -- R01 GM062437-12/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2011 Aug 5;333(6043):765-9. doi: 10.1126/science.1201662. Epub 2011 Jul 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Pharmacology and Chemistry Program, Sloan-Kettering Institute, Memorial Sloan-Kettering Cancer Center, New York, NY 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21764752" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Animals ; Cell Line ; Cell Line, Tumor ; *Cell Transformation, Neoplastic ; Core Binding Factor Alpha 2 Subunit/chemistry/*metabolism ; E1A-Associated p300 Protein/antagonists & inhibitors/*metabolism ; Fetal Blood/cytology ; Gene Expression Profiling ; Hematopoietic Stem Cells/*cytology/physiology ; Humans ; Leukemia, Myeloid, Acute/*metabolism/pathology ; Lysine/*metabolism ; Mice ; Mice, Inbred C57BL ; Mutant Proteins/metabolism ; Oncogene Proteins, Fusion/chemistry/*metabolism ; Preleukemia/metabolism/pathology ; Protein Binding ; Protein Interaction Domains and Motifs ; Protein Processing, Post-Translational ; Transcriptional Activation ; Tumor Cells, Cultured
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 9
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    Role for piRNAs and noncoding RNA in de novo DNA methylation of the imprinted mouse Rasgrf1 locus (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-05-14
    Description: Genomic imprinting causes parental origin-specific monoallelic gene expression through differential DNA methylation established in the parental germ line. However, the mechanisms underlying how specific sequences are selectively methylated are not fully understood. We have found that the components of the PIWI-interacting RNA (piRNA) pathway are required for de novo methylation of the differentially methylated region (DMR) of the imprinted mouse Rasgrf1 locus, but not other paternally imprinted loci. A retrotransposon sequence within a noncoding RNA spanning the DMR was targeted by piRNAs generated from a different locus. A direct repeat in the DMR, which is required for the methylation and imprinting of Rasgrf1, served as a promoter for this RNA. We propose a model in which piRNAs and a target RNA direct the sequence-specific methylation of Rasgrf1.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3368507/" 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/PMC3368507/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Watanabe, Toshiaki -- Tomizawa, Shin-ichi -- Mitsuya, Kohzoh -- Totoki, Yasushi -- Yamamoto, Yasuhiro -- Kuramochi-Miyagawa, Satomi -- Iida, Naoko -- Hoki, Yuko -- Murphy, Patrick J -- Toyoda, Atsushi -- Gotoh, Kengo -- Hiura, Hitoshi -- Arima, Takahiro -- Fujiyama, Asao -- Sado, Takashi -- Shibata, Tatsuhiro -- Nakano, Toru -- Lin, Haifan -- Ichiyanagi, Kenji -- Soloway, Paul D -- Sasaki, Hiroyuki -- R01 CA098597/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2011 May 13;332(6031):848-52. doi: 10.1126/science.1203919.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Human Genetics and Department of Integrated Genetics, National Institute of Genetics, Research Organization of Information and Systems, Mishima, Shizuoka, 411-8540, Japan. toshwatatoshiakiwatanabe@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21566194" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Argonaute Proteins ; *DNA Methylation ; *Genomic Imprinting ; Male ; Mice ; Mice, Inbred C57BL ; Mitochondrial Proteins/genetics/metabolism ; Models, Genetic ; Mutation ; Phospholipase D/genetics/metabolism ; Proteins/genetics/metabolism ; RNA, Small Interfering/*genetics/metabolism ; RNA, Untranslated/*genetics/metabolism ; Repetitive Sequences, Nucleic Acid ; Retroelements ; Spermatogonia/metabolism ; Testis/embryology/metabolism ; Transcription, Genetic ; ras-GRF1/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    Eosinophils sustain adipose alternatively activated macrophages associated with glucose homeostasis (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-03-26
    Description: Eosinophils are associated with helminth immunity and allergy, often in conjunction with alternatively activated macrophages (AAMs). Adipose tissue AAMs are necessary to maintain glucose homeostasis and are induced by the cytokine interleukin-4 (IL-4). Here, we show that eosinophils are the major IL-4-expressing cells in white adipose tissues of mice, and, in their absence, AAMs are greatly attenuated. Eosinophils migrate into adipose tissue by an integrin-dependent process and reconstitute AAMs through an IL-4- or IL-13-dependent process. Mice fed a high-fat diet develop increased body fat, impaired glucose tolerance, and insulin resistance in the absence of eosinophils, and helminth-induced adipose tissue eosinophilia enhances glucose tolerance. Our results suggest that eosinophils play an unexpected role in metabolic homeostasis through maintenance of adipose AAMs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3144160/" 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/PMC3144160/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wu, Davina -- Molofsky, Ari B -- Liang, Hong-Erh -- Ricardo-Gonzalez, Roberto R -- Jouihan, Hani A -- Bando, Jennifer K -- Chawla, Ajay -- Locksley, Richard M -- 5F30DK083194-02/DK/NIDDK NIH HHS/ -- AI026918/AI/NIAID NIH HHS/ -- DK063720/DK/NIDDK NIH HHS/ -- DP1 OD006415/OD/NIH HHS/ -- F30 DK083194-03/DK/NIDDK NIH HHS/ -- R01 AI030663/AI/NIAID NIH HHS/ -- R01 DK076760/DK/NIDDK NIH HHS/ -- R01 DK081405/DK/NIDDK NIH HHS/ -- R01 HL076746/HL/NHLBI NIH HHS/ -- R37 AI026918/AI/NIAID NIH HHS/ -- R37 AI026918-24/AI/NIAID NIH HHS/ -- T32 AI007290/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Apr 8;332(6026):243-7. doi: 10.1126/science.1201475. Epub 2011 Mar 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, University of California, San Francisco, San Francisco, CA 94143-0795, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21436399" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue ; Adipose Tissue, White/cytology/*immunology/*metabolism ; Animals ; Blood Glucose/*metabolism ; Cell Movement ; Dietary Fats/administration & dosage ; Eosinophilia/immunology ; Eosinophils/immunology/*physiology ; Glucose Intolerance ; Homeostasis ; Insulin/metabolism ; Insulin Resistance ; Interleukin-13/genetics/metabolism ; Interleukin-4/genetics/metabolism ; *Macrophage Activation ; Macrophages/*immunology/*metabolism ; Male ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Mice, Knockout ; Nippostrongylus ; Strongylida Infections/immunology/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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