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  • 1
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    Mouse tumor model for neurofibromatosis type 1 (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-11
    Description: Neurofibromatosis type 1 (NF1) is an autosomal dominant disorder characterized by increased incidence of benign and malignant tumors of neural crest origin. Mutations that activate the protooncogene ras, such as loss of Nf1, cooperate with inactivating mutations at the p53 tumor suppressor gene during malignant transformation. One hundred percent of mice harboring null Nf1 and p53 alleles in cis synergize to develop soft tissue sarcomas between 3 and 7 months of age. These sarcomas exhibit loss of heterozygosity at both gene loci and express phenotypic traits characteristic of neural crest derivatives and human NF1 malignancies.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3079436/" 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/PMC3079436/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, K S -- Klesse, L J -- Velasco-Miguel, S -- Meyers, K -- Rushing, E J -- Parada, L F -- NS34296/NS/NINDS NIH HHS/ -- R01 NS034296/NS/NINDS NIH HHS/ -- R01 NS034296-04/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1999 Dec 10;286(5447):2176-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Developmental Biology and Department of Pathology, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd., Dallas, TX 75235-9133, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10591653" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomarkers, Tumor ; Cell Differentiation ; Cell Transformation, Neoplastic ; Crosses, Genetic ; *Disease Models, Animal ; Female ; *Genes, Neurofibromatosis 1 ; *Genes, p53 ; Heterozygote ; Humans ; Loss of Heterozygosity ; Male ; Mice ; Mice, Inbred C57BL ; Mutation ; Neural Crest/metabolism/pathology ; Neurofibromatosis 1/*genetics/*pathology ; Sarcoma/genetics/*pathology ; Schwann Cells/metabolism/pathology ; 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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  • 2
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    Nuclear receptor corepressor and histone deacetylase 3 govern circadian metabolic physiology (2008)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2008-11-28
    Description: Rhythmic changes in histone acetylation at circadian clock genes suggest that temporal modulation of gene expression is regulated by chromatin modifications. Furthermore, recent studies demonstrate a critical relationship between circadian and metabolic physiology. The nuclear receptor corepressor 1 (Ncor1) functions as an activating subunit for the chromatin modifying enzyme histone deacetylase 3 (Hdac3). Lack of Ncor1 is incompatible with life, and hence it is unknown whether Ncor1, and particularly its regulation of Hdac3, is critical for adult mammalian physiology. Here we show that specific, genetic disruption of the Ncor1-Hdac3 interaction in mice causes aberrant regulation of clock genes and results in abnormal circadian behaviour. These mice are also leaner and more insulin-sensitive owing to increased energy expenditure. Unexpectedly, loss of a functional Ncor1-Hdac3 complex in vivo does not lead to sustained increases in known catabolic genes, but instead significantly alters the oscillatory patterns of several metabolic genes, demonstrating that circadian regulation of metabolism is critical for normal energy balance. These findings indicate that activation of Hdac3 by Ncor1 is a nodal point in the epigenetic regulation of circadian and metabolic physiology.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2742159/" 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/PMC2742159/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alenghat, Theresa -- Meyers, Katherine -- Mullican, Shannon E -- Leitner, Kirstin -- Adeniji-Adele, Adetoun -- Avila, Jacqueline -- Bucan, Maja -- Ahima, Rexford S -- Kaestner, Klaus H -- Lazar, Mitchell A -- DK19525/DK/NIDDK NIH HHS/ -- DK43806/DK/NIDDK NIH HHS/ -- DK49210/DK/NIDDK NIH HHS/ -- DK50306/DK/NIDDK NIH HHS/ -- R37 DK043806/DK/NIDDK NIH HHS/ -- R37 DK043806-15/DK/NIDDK NIH HHS/ -- R37 DK043806-16/DK/NIDDK NIH HHS/ -- R37 DK043806-17/DK/NIDDK NIH HHS/ -- England -- Nature. 2008 Dec 18;456(7224):997-1000. doi: 10.1038/nature07541. Epub 2008 Nov 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19037247" target="_blank"〉PubMed〈/a〉
    Keywords: ARNTL Transcription Factors ; Amino Acid Substitution ; Animals ; Basic Helix-Loop-Helix Transcription Factors/genetics ; Biological Clocks/genetics/physiology ; Cells, Cultured ; Circadian Rhythm/genetics/*physiology ; Diet ; Energy Metabolism/genetics/physiology ; Female ; Gene Expression Regulation ; Histone Deacetylases/genetics/*metabolism ; Liver/enzymology/metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Nuclear Proteins/chemistry/genetics/*metabolism ; Nuclear Receptor Co-Repressor 1 ; Obesity/enzymology/genetics/metabolism ; Repressor Proteins/chemistry/genetics/*metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 3
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    A fasting inducible switch modulates gluconeogenesis via activator/coactivator exchange (2008)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2008-10-14
    Description: During early fasting, increases in skeletal muscle proteolysis liberate free amino acids for hepatic gluconeogenesis in response to pancreatic glucagon. Hepatic glucose output diminishes during the late protein-sparing phase of fasting, when ketone body production by the liver supplies compensatory fuel for glucose-dependent tissues. Glucagon stimulates the gluconeogenic program by triggering the dephosphorylation and nuclear translocation of the CREB regulated transcription coactivator 2 (CRTC2; also known as TORC2), while parallel decreases in insulin signalling augment gluconeogenic gene expression through the dephosphorylation and nuclear shuttling of forkhead box O1 (FOXO1). Here we show that a fasting-inducible switch, consisting of the histone acetyltransferase p300 and the nutrient-sensing deacetylase sirtuin 1 (SIRT1), maintains energy balance in mice through the sequential induction of CRTC2 and FOXO1. After glucagon induction, CRTC2 stimulated gluconeogenic gene expression by an association with p300, which we show here is also activated by dephosphorylation at Ser 89 during fasting. In turn, p300 increased hepatic CRTC2 activity by acetylating it at Lys 628, a site that also targets CRTC2 for degradation after its ubiquitination by the E3 ligase constitutive photomorphogenic protein (COP1). Glucagon effects were attenuated during late fasting, when CRTC2 was downregulated owing to SIRT1-mediated deacetylation and when FOXO1 supported expression of the gluconeogenic program. Disrupting SIRT1 activity, by liver-specific knockout of the Sirt1 gene or by administration of a SIRT1 antagonist, increased CRTC2 activity and glucose output, whereas exposure to SIRT1 agonists reduced them. In view of the reciprocal activation of FOXO1 and its coactivator peroxisome proliferator-activated receptor-gamma coactivator-1alpha (PGC-1alpha, encoded by Ppargc1a) by SIRT1 activators, our results illustrate how the exchange of two gluconeogenic regulators during fasting maintains energy balance.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2597669/" 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/PMC2597669/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Yi -- Dentin, Renaud -- Chen, Danica -- Hedrick, Susan -- Ravnskjaer, Kim -- Schenk, Simon -- Milne, Jill -- Meyers, David J -- Cole, Phil -- Yates, John 3rd -- Olefsky, Jerrold -- Guarente, Leonard -- Montminy, Marc -- R37 GM037828/GM/NIGMS NIH HHS/ -- R37 GM037828-24/GM/NIGMS NIH HHS/ -- England -- Nature. 2008 Nov 13;456(7219):269-73. doi: 10.1038/nature07349. Epub 2008 Oct 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Salk Institute for Biological Studies, 10010 North Torrey Pines Rd, La Jolla, California 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18849969" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Animals ; CREB-Binding Protein/metabolism ; Cell Line, Transformed ; Cyclic AMP Response Element-Binding Protein/metabolism ; Enzyme Inhibitors/pharmacology ; Fasting/*physiology ; Forkhead Transcription Factors/metabolism ; Gene Expression Regulation/drug effects ; Gluconeogenesis/*physiology ; Heterocyclic Compounds with 4 or More Rings/pharmacology ; Humans ; Liver/metabolism ; Male ; Mice ; Mice, Knockout ; Nuclear Proteins/metabolism ; Sirtuin 1 ; Sirtuins/genetics/metabolism ; Stilbenes/pharmacology ; Trans-Activators/metabolism ; Transcription Factors ; Ubiquitin-Protein Ligases/metabolism ; p300-CBP Transcription Factors/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 4
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    Contextually evoked object-specific responses in human visual cortex (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-04-03
    Description: Human visual recognition processes are remarkably robust and can function effectively even under highly degraded viewing conditions. Contextual information may play a critical role in such circumstances. Here, we provide neurophysiological evidence that contextual cues can elicit object-specific neural responses, which have hitherto been believed to be based on intrinsic cues alone. Specifically, we find that the "fusiform face area" (FFA) maintains its selectivity for faces without regard to whether the faces are defined intrinsically or contextually. This finding further elucidates the role of the FFA and reveals neural correlates of contextual processing in the service of robust object recognition.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cox, David -- Meyers, Ethan -- Sinha, Pawan -- New York, N.Y. -- Science. 2004 Apr 2;304(5667):115-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15001712" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Cues ; *Face ; Female ; *Form Perception ; Humans ; Magnetic Resonance Imaging ; Male ; Pattern Recognition, Visual ; Temporal Lobe/*physiology ; Visual Cortex/*physiology
    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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    Gender differences and performance in science (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-02-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Muller, Carol B -- Ride, Sally M -- Fouke, Janie -- Whitney, Telle -- Denton, Denice D -- Cantor, Nancy -- Nelson, Donna J -- Plummer, Jim -- Busch-Vishniac, Ilene -- Meyers, Carolyn -- Rosser, Sue V -- Schiebinger, Londa -- Roberts, Eric -- Burgess, David -- Beeson, Craig -- Metz, Susan Staffin -- Sanders, Lucinda -- Watford, Bevlee A -- Ivey, Elizabeth S -- Frank Fox, Mary -- Wettack, Sheldon -- Klawe, Maria -- Wulf, William A -- Girgus, Joan -- Leboy, Phoebe S -- Babco, Eleanor L -- Shanahan, Betty -- Didion, Catherine -- Chubin, Daryl E -- Frize, Monique -- Ganter, Susan L -- Nalley, E Ann -- Franz, Judy -- Abruna, Hector D -- Strober, Myra H -- Zimmer Daniels, Jane -- Carter, Emily A -- Rhodes, Jean H -- Schrijver, Iris -- Zakian, Virginia A -- Simons, Barbara -- Martin, Ursula -- Boaler, Jo -- Jolluck, Katherine Rose -- Mankekar, Purnima -- Gray, Robert M -- Conkey, Margaret W -- Stansky, Peter -- Xie, Aihua -- Martin, Pino -- Katehi, Linda P B -- Miller, Jo Anne -- Tess Thornton, Amelia -- Lapaugh, Andrea -- Rhode, Deborah L -- Gelpi, Barbara C -- Harrold, Mary Jean -- Spencer, Cherrill M -- Schlatter Ellis, Carla -- Lord, Susan -- Quinn, Helen -- Murnane, Margaret -- Jones, Patricia P -- Hellman, Frances -- Wight, Gail -- O'hara, Ruth -- Pickering, Mary -- Sheppard, Sheri -- Leith, David -- Paytan, Adina -- Sommer, Matthew H -- Shafer, Audrey -- Grusky, David -- Yennello, Sherry -- Madan, Ashima -- Johnson, Denise L -- Yanagisako, Sylvia -- Chou-Green, Jennifer M -- Robinson, Sandra -- New York, N.Y. -- Science. 2005 Feb 18;307(5712):1043.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15718449" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; Female ; Humans ; Male ; *Science ; *Sex Characteristics ; Social Change
    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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    Major susceptibility locus for prostate cancer on chromosome 1 suggested by a genome-wide search (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-11-22
    Description: Despite its high prevalence, very little is known regarding genetic predisposition to prostate cancer. A genome-wide scan performed in 66 high-risk prostate cancer families has provided evidence of linkage to the long arm of chromosome 1 (1q24-25). Analysis of an additional set of 25 North American and Swedish families with markers in this region resulted in significant evidence of linkage in the combined set of 91 families. The data provide strong evidence of a major prostate cancer susceptibility locus on chromosome 1.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, J R -- Freije, D -- Carpten, J D -- Gronberg, H -- Xu, J -- Isaacs, S D -- Brownstein, M J -- Bova, G S -- Guo, H -- Bujnovszky, P -- Nusskern, D R -- Damber, J E -- Bergh, A -- Emanuelsson, M -- Kallioniemi, O P -- Walker-Daniels, J -- Bailey-Wilson, J E -- Beaty, T H -- Meyers, D A -- Walsh, P C -- Collins, F S -- Trent, J M -- Isaacs, W B -- CA58236/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1996 Nov 22;274(5291):1371-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Human Genome Research, National Institutes of Health, Bethesda, MD, USA. jtrent@nchgr.nih.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8910276" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aged, 80 and over ; *Chromosome Mapping ; *Chromosomes, Human, Pair 1 ; Dinucleotide Repeats ; *Genes ; Genetic Linkage ; Genetic Markers ; Genetic Predisposition to Disease ; Humans ; Likelihood Functions ; Male ; Middle Aged ; North America ; Oncogenes ; Pedigree ; Prostatic Neoplasms/*genetics ; Risk Factors ; Statistics, Nonparametric ; Sweden
    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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  • 7
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    Experimental leprosy in three species of monkeys (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-02-01
    Description: Eleven mangabey monkeys inoculated with Mycobacterium leprae developed lepromatous-type leprosy. Nine of the mangabeys were inoculated with M. leprae isolated from a mangabey with naturally acquired lepromatous leprosy. Immune function was depressed in some of these animals after dissemination of the disease. Two mangabeys developed lepromatous leprosy after inoculation with human M. leprae passaged in an armadillo. Three rhesus and three African green monkeys inoculated with mangabey-derived M. leprae also developed lepromatous leprosy. Mangabeys may be the first reported nonhuman primate model for the study of leprosy. Rhesus and African green monkeys may also prove to be reproducibly susceptible to the disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wolf, R H -- Gormus, B J -- Martin, L N -- Baskin, G B -- Walsh, G P -- Meyers, W M -- Binford, C H -- 5R-22-AI-19302/AI/NIAID NIH HHS/ -- RR-00164/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1985 Feb 1;227(4686):529-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3917577" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Bacterial/analysis ; Cercopithecidae ; Cercopithecus aethiops ; *Disease Models, Animal ; Disease Susceptibility ; Female ; *Haplorhini ; *Leprosy/immunology/pathology/transmission ; Lymphocyte Activation ; Macaca mulatta ; Male ; Mycobacterium leprae/immunology ; Saimiri ; Species Specificity
    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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    Huntington's disease: two families with differing clinical features show linkage to the G8 probe (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-08-23
    Description: To test the hypothesis that interfamily variability in Huntington's Disease (HD) is due to mutation at different loci, linkage analysis was undertaken in two large HD kindreds that differed in ethnicity, age-at-onset, and neurologic and psychiatric features. Both families showed linkage of the HD locus to the G8 probe. Several recombinants were documented in each family, and the best estimate of the recombination fraction for the two families was 6 percent with a 95 percent confidence interval of 0 to 12 percent. Although the data support the existence of a single HD locus, use of the G8 probe for presymptomatic testing in these kindreds would have resulted in a 12 percent error rate in genotype assignment at the HD locus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Folstein, S E -- Phillips, J A 3rd -- Meyers, D A -- Chase, G A -- Abbott, M H -- Franz, M L -- Waber, P G -- Kazazian, H H Jr -- Conneally, P M -- Hobbs, W -- AM 13983/AM/NIADDK NIH HHS/ -- NS 16367/NS/NINDS NIH HHS/ -- NS 16375/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1985 Aug 23;229(4715):776-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2992086" target="_blank"〉PubMed〈/a〉
    Keywords: *Chromosomes, Human, 4-5 ; DNA Restriction Enzymes ; DNA, Recombinant ; Female ; Genetic Linkage ; Humans ; Huntington Disease/*genetics ; Male ; Pedigree ; Recombination, Genetic ; Risk
    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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