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  • 1
    Publication Date: 2009-07-07
    Description: MicroRNAs (miRNAs) are regulators of myriad cellular events, but evidence for a single miRNA that can efficiently differentiate multipotent stem cells into a specific lineage or regulate direct reprogramming of cells into an alternative cell fate has been elusive. Here we show that miR-145 and miR-143 are co-transcribed in multipotent murine cardiac progenitors before becoming localized to smooth muscle cells, including neural crest stem-cell-derived vascular smooth muscle cells. miR-145 and miR-143 were direct transcriptional targets of serum response factor, myocardin and Nkx2-5 (NK2 transcription factor related, locus 5) and were downregulated in injured or atherosclerotic vessels containing proliferating, less differentiated smooth muscle cells. miR-145 was necessary for myocardin-induced reprogramming of adult fibroblasts into smooth muscle cells and sufficient to induce differentiation of multipotent neural crest stem cells into vascular smooth muscle. Furthermore, miR-145 and miR-143 cooperatively targeted a network of transcription factors, including Klf4 (Kruppel-like factor 4), myocardin and Elk-1 (ELK1, member of ETS oncogene family), to promote differentiation and repress proliferation of smooth muscle cells. These findings demonstrate that miR-145 can direct the smooth muscle fate and that miR-145 and miR-143 function to regulate the quiescent versus proliferative phenotype of smooth muscle cells.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2769203/" 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/PMC2769203/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cordes, Kimberly R -- Sheehy, Neil T -- White, Mark P -- Berry, Emily C -- Morton, Sarah U -- Muth, Alecia N -- Lee, Ting-Hein -- Miano, Joseph M -- Ivey, Kathryn N -- Srivastava, Deepak -- C06 RR018928/RR/NCRR NIH HHS/ -- HL091168/HL/NHLBI NIH HHS/ -- HL62572/HL/NHLBI NIH HHS/ -- R01 HL062572/HL/NHLBI NIH HHS/ -- R01 HL062572-12/HL/NHLBI NIH HHS/ -- R01 HL091168/HL/NHLBI NIH HHS/ -- R01 HL091168-01A1/HL/NHLBI NIH HHS/ -- England -- Nature. 2009 Aug 6;460(7256):705-10. doi: 10.1038/nature08195. Epub 2009 Jul 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Gladstone Institute of Cardiovascular Disease, San Francisco, California 94158, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19578358" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; *Cell Lineage ; Cell Proliferation ; Female ; Gene Expression Regulation ; Homeodomain Proteins/metabolism ; Male ; Mice ; Mice, Transgenic ; MicroRNAs/genetics/*metabolism ; Models, Biological ; Myocardium/metabolism ; Myocytes, Smooth Muscle/*cytology/*metabolism ; Transcription Factors/metabolism ; Transcription, Genetic ; Vascular Diseases/metabolism ; ets-Domain Protein Elk-4/metabolism
    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: 2009-10-17
    Description: Words, grammar, and phonology are linguistically distinct, yet their neural substrates are difficult to distinguish in macroscopic brain regions. We investigated whether they can be separated in time and space at the circuit level using intracranial electrophysiology (ICE), namely by recording local field potentials from populations of neurons using electrodes implanted in language-related brain regions while people read words verbatim or grammatically inflected them (present/past or singular/plural). Neighboring probes within Broca's area revealed distinct neuronal activity for lexical (approximately 200 milliseconds), grammatical (approximately 320 milliseconds), and phonological (approximately 450 milliseconds) processing, identically for nouns and verbs, in a region activated in the same patients and task in functional magnetic resonance imaging. This suggests that a linguistic processing sequence predicted on computational grounds is implemented in the brain in fine-grained spatiotemporally patterned activity.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4030760/" 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/PMC4030760/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sahin, Ned T -- Pinker, Steven -- Cash, Sydney S -- Schomer, Donald -- Halgren, Eric -- HD18381/HD/NICHD NIH HHS/ -- NS18741/NS/NINDS NIH HHS/ -- NS44623/NS/NINDS NIH HHS/ -- P41 RR014075/RR/NCRR NIH HHS/ -- P41 RR014075-02/RR/NCRR NIH HHS/ -- P41-RR14075/RR/NCRR NIH HHS/ -- R01 HD018381-18/HD/NICHD NIH HHS/ -- R01 NS018741/NS/NINDS NIH HHS/ -- R01 NS018741-22/NS/NINDS NIH HHS/ -- R01 NS044623/NS/NINDS NIH HHS/ -- R01 NS044623-03/NS/NINDS NIH HHS/ -- T32 MH070328-03/MH/NIMH NIH HHS/ -- T32-MH070328/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2009 Oct 16;326(5951):445-9. doi: 10.1126/science.1174481.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Radiology, University of California-San Diego, La Jolla, CA 92037, USA. sahin@post.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19833971" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; *Brain Mapping ; Electrodes, Implanted ; Electrophysiological Phenomena ; Epilepsy/physiopathology ; Female ; Frontal Lobe/*physiology ; Humans ; *Language ; *Linguistics ; Magnetic Resonance Imaging ; Mental Processes/*physiology ; Middle Aged ; Neurons/*physiology ; Speech/*physiology ; Time Factors
    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
    Publication Date: 2013-05-11
    Description: gamma-aminobutyric acid-mediated (GABAergic) inhibition plays a critical role in shaping neuronal activity in the neocortex. Numerous experimental investigations have examined perisomatic inhibitory synapses, which control action potential output from pyramidal neurons. However, most inhibitory synapses in the neocortex are formed onto pyramidal cell dendrites, where theoretical studies suggest they may focally regulate cellular activity. The precision of GABAergic control over dendritic electrical and biochemical signaling is unknown. By using cell type-specific optical stimulation in combination with two-photon calcium (Ca(2+)) imaging, we show that somatostatin-expressing interneurons exert compartmentalized control over postsynaptic Ca(2+) signals within individual dendritic spines. This highly focal inhibitory action is mediated by a subset of GABAergic synapses that directly target spine heads. GABAergic inhibition thus participates in localized control of dendritic electrical and biochemical signaling.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3752161/" 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/PMC3752161/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chiu, Chiayu Q -- Lur, Gyorgy -- Morse, Thomas M -- Carnevale, Nicholas T -- Ellis-Davies, Graham C R -- Higley, Michael J -- DC009977/DC/NIDCD NIH HHS/ -- GM053395/GM/NIGMS NIH HHS/ -- K01 MH097961/MH/NIMH NIH HHS/ -- MH099045/MH/NIMH NIH HHS/ -- NS011613/NS/NINDS NIH HHS/ -- NS069720/NS/NINDS NIH HHS/ -- R01 DC009977/DC/NIDCD NIH HHS/ -- R01 GM053395/GM/NIGMS NIH HHS/ -- R01 MH099045/MH/NIMH NIH HHS/ -- R01 NS011613/NS/NINDS NIH HHS/ -- R01 NS069720/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2013 May 10;340(6133):759-62. doi: 10.1126/science.1234274.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Yale School of Medicine, New Haven, CT 06510, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23661763" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/metabolism ; Computer Simulation ; Dendritic Spines/*physiology ; Female ; Glutamic Acid/physiology ; Male ; Mice ; Mice, Inbred C57BL ; Models, Neurological ; Neocortex/*physiology ; *Neural Inhibition ; Photic Stimulation ; Pyramidal Cells/*physiology ; Rhodopsin/metabolism ; Synapses/physiology ; gamma-Aminobutyric Acid/*physiology
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2011-03-25
    Description: Arising from M. A. Nowak, C. E. Tarnita & E. O. Wilson 466, 1057-1062 (2010); Nowak et al. reply. Nowak et al. argue that inclusive fitness theory has been of little value in explaining the natural world, and that it has led to negligible progress in explaining the evolution of eusociality. However, we believe that their arguments are based upon a misunderstanding of evolutionary theory and a misrepresentation of the empirical literature. We will focus our comments on three general issues.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3836173/" 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/PMC3836173/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abbot, Patrick -- Abe, Jun -- Alcock, John -- Alizon, Samuel -- Alpedrinha, Joao A C -- Andersson, Malte -- Andre, Jean-Baptiste -- van Baalen, Minus -- Balloux, Francois -- Balshine, Sigal -- Barton, Nick -- Beukeboom, Leo W -- Biernaskie, Jay M -- Bilde, Trine -- Borgia, Gerald -- Breed, Michael -- Brown, Sam -- Bshary, Redouan -- Buckling, Angus -- Burley, Nancy T -- Burton-Chellew, Max N -- Cant, Michael A -- Chapuisat, Michel -- Charnov, Eric L -- Clutton-Brock, Tim -- Cockburn, Andrew -- Cole, Blaine J -- Colegrave, Nick -- Cosmides, Leda -- Couzin, Iain D -- Coyne, Jerry A -- Creel, Scott -- Crespi, Bernard -- Curry, Robert L -- Dall, Sasha R X -- Day, Troy -- Dickinson, Janis L -- Dugatkin, Lee Alan -- El Mouden, Claire -- Emlen, Stephen T -- Evans, Jay -- Ferriere, Regis -- Field, Jeremy -- Foitzik, Susanne -- Foster, Kevin -- Foster, William A -- Fox, Charles W -- Gadau, Juergen -- Gandon, Sylvain -- Gardner, Andy -- Gardner, Michael G -- Getty, Thomas -- Goodisman, Michael A D -- Grafen, Alan -- Grosberg, Rick -- Grozinger, Christina M -- Gouyon, Pierre-Henri -- Gwynne, Darryl -- Harvey, Paul H -- Hatchwell, Ben J -- Heinze, Jurgen -- Helantera, Heikki -- Helms, Ken R -- Hill, Kim -- Jiricny, Natalie -- Johnstone, Rufus A -- Kacelnik, Alex -- Kiers, E Toby -- Kokko, Hanna -- Komdeur, Jan -- Korb, Judith -- Kronauer, Daniel -- Kummerli, Rolf -- Lehmann, Laurent -- Linksvayer, Timothy A -- Lion, Sebastien -- Lyon, Bruce -- Marshall, James A R -- McElreath, Richard -- Michalakis, Yannis -- Michod, Richard E -- Mock, Douglas -- Monnin, Thibaud -- Montgomerie, Robert -- Moore, Allen J -- Mueller, Ulrich G -- Noe, Ronald -- Okasha, Samir -- Pamilo, Pekka -- Parker, Geoff A -- Pedersen, Jes S -- Pen, Ido -- Pfennig, David -- Queller, David C -- Rankin, Daniel J -- Reece, Sarah E -- Reeve, Hudson K -- Reuter, Max -- Roberts, Gilbert -- Robson, Simon K A -- Roze, Denis -- Rousset, Francois -- Rueppell, Olav -- Sachs, Joel L -- Santorelli, Lorenzo -- Schmid-Hempel, Paul -- Schwarz, Michael P -- Scott-Phillips, Tom -- Shellmann-Sherman, Janet -- Sherman, Paul W -- Shuker, David M -- Smith, Jeff -- Spagna, Joseph C -- Strassmann, Beverly -- Suarez, Andrew V -- Sundstrom, Liselotte -- Taborsky, Michael -- Taylor, Peter -- Thompson, Graham -- Tooby, John -- Tsutsui, Neil D -- Tsuji, Kazuki -- Turillazzi, Stefano -- Ubeda, Francisco -- Vargo, Edward L -- Voelkl, Bernard -- Wenseleers, Tom -- West, Stuart A -- West-Eberhard, Mary Jane -- Westneat, David F -- Wiernasz, Diane C -- Wild, Geoff -- Wrangham, Richard -- Young, Andrew J -- Zeh, David W -- Zeh, Jeanne A -- Zink, Andrew -- BB/H022716/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- England -- Nature. 2011 Mar 24;471(7339):E1-4; author reply E9-10. doi: 10.1038/nature09831.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21430721" target="_blank"〉PubMed〈/a〉
    Keywords: *Altruism ; Animals ; *Biological Evolution ; Cooperative Behavior ; Female ; Game Theory ; *Genetic Fitness ; Genetics, Population ; Heredity ; Humans ; Male ; *Models, Biological ; Phenotype ; Reproducibility of Results ; *Selection, Genetic ; Sex Ratio
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  • 5
    Publication Date: 2013-02-23
    Description: Hosts have numerous defenses against parasites, of which behavioral immune responses are an important but underappreciated component. Here we describe a behavioral immune response that Drosophila melanogaster uses against endoparasitoid wasps. We found that when flies see wasps, they switch to laying eggs in alcohol-laden food sources that protect hatched larvae from infection. This change in oviposition behavior, mediated by neuropeptide F, is retained long after wasps are removed. Flies respond to diverse female larval endoparasitoids but not to males or pupal endoparasitoids, showing that they maintain specific wasp search images. Furthermore, the response evolved multiple times across the genus Drosophila. Our data reveal a behavioral immune response based on anticipatory medication of offspring and outline a nonassociative memory paradigm based on innate parasite recognition by the host.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3760715/" 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/PMC3760715/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kacsoh, Balint Z -- Lynch, Zachary R -- Mortimer, Nathan T -- Schlenke, Todd A -- AI081879/AI/NIAID NIH HHS/ -- P30NS055077/NS/NINDS NIH HHS/ -- R01 AI081879/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2013 Feb 22;339(6122):947-50. doi: 10.1126/science.1229625.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Emory University, 1510 Clifton Road NE, Atlanta, GA 30322, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23430653" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Brain/metabolism ; Cues ; Drosophila Proteins/genetics/metabolism ; Drosophila melanogaster/immunology/parasitology/*physiology ; *Ethanol/analysis/pharmacology ; Female ; Food ; *Host-Parasite Interactions ; Larva ; Male ; Memory ; Mutation ; Neuropeptides/metabolism ; *Oviposition ; Time Factors ; Transcription Factors/genetics/metabolism ; Visual Perception ; *Wasps/growth & development
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2013-10-26
    Description: The induced pluripotent stem (iPS) cell field holds promise for in vitro disease modeling. However, identifying innate cellular pathologies, particularly for age-related neurodegenerative diseases, has been challenging. Here, we exploited mutation correction of iPS cells and conserved proteotoxic mechanisms from yeast to humans to discover and reverse phenotypic responses to alpha-synuclein (alphasyn), a key protein involved in Parkinson's disease (PD). We generated cortical neurons from iPS cells of patients harboring alphasyn mutations, who are at high risk of developing PD dementia. Genetic modifiers from unbiased screens in a yeast model of alphasyn toxicity led to identification of early pathogenic phenotypes in patient neurons. These included nitrosative stress, accumulation of endoplasmic reticulum (ER)-associated degradation substrates, and ER stress. A small molecule identified in a yeast screen (NAB2), and the ubiquitin ligase Nedd4 it affects, reversed pathologic phenotypes in these neurons.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4022187/" 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/PMC4022187/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chung, Chee Yeun -- Khurana, Vikram -- Auluck, Pavan K -- Tardiff, Daniel F -- Mazzulli, Joseph R -- Soldner, Frank -- Baru, Valeriya -- Lou, Yali -- Freyzon, Yelena -- Cho, Sukhee -- Mungenast, Alison E -- Muffat, Julien -- Mitalipova, Maisam -- Pluth, Michael D -- Jui, Nathan T -- Schule, Birgitt -- Lippard, Stephen J -- Tsai, Li-Huei -- Krainc, Dimitri -- Buchwald, Stephen L -- Jaenisch, Rudolf -- Lindquist, Susan -- 5 R01CA084198/CA/NCI NIH HHS/ -- K01 AG038546/AG/NIA NIH HHS/ -- P50 AG005134/AG/NIA NIH HHS/ -- R01 CA084198/CA/NCI NIH HHS/ -- R01 GM058160/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Nov 22;342(6161):983-7. doi: 10.1126/science.1245296. Epub 2013 Oct 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24158904" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Benzimidazoles/chemistry/*pharmacology ; Endoplasmic Reticulum Stress/drug effects ; Female ; Humans ; Induced Pluripotent Stem Cells/cytology/metabolism ; Mutation ; Neurogenesis ; Neurons/*drug effects/metabolism/pathology ; Parkinson Disease/genetics/*metabolism ; Rats ; alpha-Synuclein/genetics/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2016-04-29
    Description: Umbilical cord blood-derived haematopoietic stem cells (HSCs) are essential for many life-saving regenerative therapies. However, despite their advantages for transplantation, their clinical use is restricted because HSCs in cord blood are found only in small numbers. Small molecules that enhance haematopoietic stem and progenitor cell (HSPC) expansion in culture have been identified, but in many cases their mechanisms of action or the nature of the pathways they impinge on are poorly understood. A greater understanding of the molecular circuitry that underpins the self-renewal of human HSCs will facilitate the development of targeted strategies that expand HSCs for regenerative therapies. Whereas transcription factor networks have been shown to influence the self-renewal and lineage decisions of human HSCs, the post-transcriptional mechanisms that guide HSC fate have not been closely investigated. Here we show that overexpression of the RNA-binding protein Musashi-2 (MSI2) induces multiple pro-self-renewal phenotypes, including a 17-fold increase in short-term repopulating cells and a net 23-fold ex vivo expansion of long-term repopulating HSCs. By performing a global analysis of MSI2-RNA interactions, we show that MSI2 directly attenuates aryl hydrocarbon receptor (AHR) signalling through post-transcriptional downregulation of canonical AHR pathway components in cord blood HSPCs. Our study gives mechanistic insight into RNA networks controlled by RNA-binding proteins that underlie self-renewal and provides evidence that manipulating such networks ex vivo can enhance the regenerative potential of human HSCs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4880456/" 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/PMC4880456/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rentas, Stefan -- Holzapfel, Nicholas T -- Belew, Muluken S -- Pratt, Gabriel A -- Voisin, Veronique -- Wilhelm, Brian T -- Bader, Gary D -- Yeo, Gene W -- Hope, Kristin J -- HG004659/HG/NHGRI NIH HHS/ -- MOP-126030/Canadian Institutes of Health Research/Canada -- NS075449/NS/NINDS NIH HHS/ -- England -- Nature. 2016 Apr 28;532(7600):508-11. doi: 10.1038/nature17665.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Biomedical Sciences, Stem Cell and Cancer Research Institute, McMaster University, Hamilton, Ontario L8S 4K1, Canada. ; Department of Cellular and Molecular Medicine, Institute for Genomic Medicine, University of California, San Diego, La Jolla, California 92037, USA. ; Bioinformatics Graduate Program, University of California, San Diego, La Jolla, California 92037, USA. ; The Donnelly Centre, University of Toronto, Toronto, Ontario M5S 3E1, Canada. ; Institute for Research in Immunology and Cancer, University of Montreal, Montreal, Quebec H3C 3J7, Canada. ; Department of Physiology, National University of Singapore and Molecular Engineering Laboratory, A*STAR, Singapore 138632, Singapore.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27121842" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Basic Helix-Loop-Helix Transcription Factors/genetics/*metabolism ; Cell Count ; *Cell Self Renewal/genetics ; Down-Regulation/genetics ; Female ; Fetal Blood/cytology ; Gene Knockdown Techniques ; Hematopoietic Stem Cells/*cytology/*metabolism ; Humans ; Male ; Mice ; Protein Binding ; RNA, Messenger/genetics/metabolism ; RNA-Binding Proteins/genetics/*metabolism ; Receptors, Aryl Hydrocarbon/genetics/*metabolism ; *Signal Transduction/genetics
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  • 8
    Publication Date: 1981-03-06
    Description: Vaginocervical stimulation affects progesterone secretion, sperm transport, sexual receptivity, locomotion, and perception of pain in female rats. In this experiment, vaginocervical stimulation produced statistically significant increases in the metabolic uptake of carbon-14-labeled 2-deoxy-D-glucose in the following brain areas (ordered by magnitude of uptake): medial preoptic, mesencephalic reticular formation, bed nucleus of stria terminalis, dorsal raphe, and globus pallidus. The results provide information about the concurrent processing of sensory stimulation by several neural areas and indicate that the medial preoptic area is a receiving area for copulatory stimulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allen, T O -- Adler, N T -- Greenberg, J H -- Reivich, M -- HD 04522/HD/NICHD NIH HHS/ -- I T32 MH 15092/MH/NIMH NIH HHS/ -- NS 10939-08/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1981 Mar 6;211(4486):1070-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7466382" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*metabolism ; Cervix Uteri/*innervation ; *Copulation ; Deoxyglucose/metabolism ; Female ; Glucose/*metabolism ; Physical Stimulation ; Preoptic Area/metabolism ; Rats ; Vagina/*innervation
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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1979-04-20
    Description: The normal ovarian cycle of female rats is typically replaced by persistent estrus when these animals are housed under constant light. Evidence presented here shows that the maintenance of periodicity in the environment can at least delay (if not prevent) the photic induction of persistent vaginal estrus. Female rats in constant light were exposed to vaginal smearing at random times or at the same time every day. In another experiment, female rats were exposed to either constant bright light, constant dim light, or a 24-hour photic cycle of bright and dim light. The onset of persistent vaginal estrus was delayed in rats exposed to 24-hour time cues even though the light intensities were the same as or greater than those for the aperiodic control groups. The results suggest that the absence of 24-hour time cues in constant light contributes to the induction of persistent estrus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weber, A L -- Adler, N T -- New York, N.Y. -- Science. 1979 Apr 20;204(4390):323-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/571146" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Clocks ; Dose-Response Relationship, Radiation ; Estrus/*radiation effects ; Female ; *Light ; Periodicity/radiation effects ; Pregnancy ; Rats ; Time Factors
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  • 10
    Publication Date: 1980-02-08
    Description: Cell death, inflammation, and repair in rabbits' aortas and pulmonary arteries were observed at 3-, 7-, and 10-day periods after the intravenous injection of oxygenated sterols. Thus, oxygenated sterols, not cholesterol, may play the primary role in arterial wall injury and lesion development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Imai, H -- Werthessen, N T -- Subramanyam, V -- LeQuesne, P W -- Soloway, A H -- Kanisawa, M -- New York, N.Y. -- Science. 1980 Feb 8;207(4431):651-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352277" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aorta/drug effects ; Blood Vessels/*drug effects/pathology ; Cholesterol/*analogs & derivatives/toxicity ; Epoxy Compounds/*toxicity ; Ethers, Cyclic/*toxicity ; Female ; Hydroxycholesterols/toxicity ; Lanosterol/analogs & derivatives/toxicity ; Male ; Necrosis ; Oxidation-Reduction ; Pulmonary Artery/drug effects ; Rabbits ; Structure-Activity Relationship
    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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