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  • Articles  (293)
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  • American Association for the Advancement of Science (AAAS)  (293)
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  • Articles  (293)
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  • American Association for the Advancement of Science (AAAS)  (293)
  • American Physical Society (APS)
  • Cambridge University Press
  • Springer Nature
  • Taylor & Francis
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  • 2010-2014  (164)
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  • 1
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    Economics. Implications of scarcity (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-11-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zwane, Alix Peterson -- New York, N.Y. -- Science. 2012 Nov 2;338(6107):617-8. doi: 10.1126/science.1230292.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Bill & Melinda Gates Foundation, Seattle, WA 98109, USA. alix.zwane@gatesfoundation.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23118174" target="_blank"〉PubMed〈/a〉
    Keywords: *Attention ; *Decision Making ; Female ; Humans ; Male ; Poverty/*psychology ; *Socioeconomic Factors
    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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    Medicine. Old drug, new hope for Alzheimer's disease (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-03-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strittmatter, Warren J -- New York, N.Y. -- Science. 2012 Mar 23;335(6075):1447-8. doi: 10.1126/science.1220725.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Duke University Medical Center, Durham, NC 27710, USA. warren@neuro.duke.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22442467" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*drug therapy/*metabolism ; Amyloid beta-Peptides/*metabolism ; Animals ; Apolipoproteins E/*metabolism ; Brain/*metabolism ; Male ; Tetrahydronaphthalenes/*pharmacology/*therapeutic use
    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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    Trim28 is required for epigenetic stability during mouse oocyte to embryo transition (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-03-24
    Description: Phenotypic variability in genetic disease is usually attributed to genetic background variation or environmental influence. Here, we show that deletion of a single gene, Trim28 (Kap1 or Tif1beta), from the maternal germ line alone, on an otherwise identical genetic background, results in severe phenotypic and epigenetic variability that leads to embryonic lethality. We identify early and minute epigenetic variations in blastomeres of the preimplantation embryo of these animals, suggesting that the embryonic lethality may result from the misregulation of genomic imprinting in mice lacking maternal Trim28. Our results reveal the long-range effects of a maternal gene deletion on epigenetic memory and illustrate the delicate equilibrium of maternal and zygotic factors during nuclear reprogramming.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Messerschmidt, Daniel M -- de Vries, Wilhelmine -- Ito, Mitsuteru -- Solter, Davor -- Ferguson-Smith, Anne -- Knowles, Barbara B -- 079249/Wellcome Trust/United Kingdom -- 095606/Wellcome Trust/United Kingdom -- MR/J001597/1/Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2012 Mar 23;335(6075):1499-502. doi: 10.1126/science.1216154.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mammalian Development Group, Institute of Medical Biology, Singapore.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22442485" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastocyst/physiology ; DNA Methylation ; Down-Regulation ; *Embryo Loss ; Embryo, Mammalian/*physiology ; Embryonic Development ; *Epigenesis, Genetic ; Female ; Gene Expression Regulation, Developmental ; *Genomic Imprinting ; Insulin-Like Growth Factor II/genetics/metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Nuclear Proteins/*genetics/*physiology ; Oligonucleotide Array Sequence Analysis ; Oocytes/*physiology ; Phenotype ; RNA, Long Noncoding ; RNA, Untranslated/genetics/metabolism ; Repressor Proteins/*genetics/*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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  • 4
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    Ancestral developmental potential facilitates parallel evolution in ants (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-01-10
    Description: Complex worker caste systems have contributed to the evolutionary success of advanced ant societies; however, little is known about the developmental processes underlying their origin and evolution. We combined hormonal manipulation, gene expression, and phylogenetic analyses with field observations to understand how novel worker subcastes evolve. We uncovered an ancestral developmental potential to produce a "supersoldier" subcaste that has been actualized at least two times independently in the hyperdiverse ant genus Pheidole. This potential has been retained and can be environmentally induced throughout the genus. Therefore, the retention and induction of this potential have facilitated the parallel evolution of supersoldiers through a process known as genetic accommodation. The recurrent induction of ancestral developmental potential may facilitate the adaptive and parallel evolution of phenotypes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rajakumar, Rajendhran -- San Mauro, Diego -- Dijkstra, Michiel B -- Huang, Ming H -- Wheeler, Diana E -- Hiou-Tim, Francois -- Khila, Abderrahman -- Cournoyea, Michael -- Abouheif, Ehab -- New York, N.Y. -- Science. 2012 Jan 6;335(6064):79-82. doi: 10.1126/science.1211451.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, McGill University, 1205 Avenue Dr. Penfield, Montreal, Quebec, Canada, H3A 1B1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22223805" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ants/*genetics/growth & development/physiology ; *Biological Evolution ; Environment ; Female ; Genes, Insect ; Larva/growth & development ; Male ; Methoprene/pharmacology ; Molecular Sequence Data ; Phenotype ; Phylogeny ; Selection, Genetic ; Social Behavior ; Wings, Animal/growth & development
    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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    Paying for tissue: the case of WI-38 (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-09-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hayflick, Leonard -- New York, N.Y. -- Science. 2012 Sep 14;337(6100):1292. doi: 10.1126/science.337.6100.1292-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22984048" target="_blank"〉PubMed〈/a〉
    Keywords: *Ethics, Research ; Female ; Humans ; Male ; *Patient Rights ; *Tissue Donors
    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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    Rapamycin-induced insulin resistance is mediated by mTORC2 loss and uncoupled from longevity (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-03-31
    Description: Rapamycin, an inhibitor of mechanistic target of rapamycin complex 1 (mTORC1), extends the life spans of yeast, flies, and mice. Calorie restriction, which increases life span and insulin sensitivity, is proposed to function by inhibition of mTORC1, yet paradoxically, chronic administration of rapamycin substantially impairs glucose tolerance and insulin action. We demonstrate that rapamycin disrupted a second mTOR complex, mTORC2, in vivo and that mTORC2 was required for the insulin-mediated suppression of hepatic gluconeogenesis. Further, decreased mTORC1 signaling was sufficient to extend life span independently from changes in glucose homeostasis, as female mice heterozygous for both mTOR and mLST8 exhibited decreased mTORC1 activity and extended life span but had normal glucose tolerance and insulin sensitivity. Thus, mTORC2 disruption is an important mediator of the effects of rapamycin in vivo.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3324089/" 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/PMC3324089/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lamming, Dudley W -- Ye, Lan -- Katajisto, Pekka -- Goncalves, Marcus D -- Saitoh, Maki -- Stevens, Deanna M -- Davis, James G -- Salmon, Adam B -- Richardson, Arlan -- Ahima, Rexford S -- Guertin, David A -- Sabatini, David M -- Baur, Joseph A -- 1F32AG032833-01A1/AG/NIA NIH HHS/ -- CA129105/CA/NCI NIH HHS/ -- F32 AG032833/AG/NIA NIH HHS/ -- P30DK19525/DK/NIDDK NIH HHS/ -- R01 CA129105/CA/NCI NIH HHS/ -- R01 CA129105-05/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2012 Mar 30;335(6076):1638-43. doi: 10.1126/science.1215135.〈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/22461615" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue, White/metabolism ; Animals ; Carrier Proteins/genetics/metabolism ; Female ; Gluconeogenesis ; Glucose/metabolism ; Glucose Clamp Technique ; Homeostasis ; Insulin/administration & dosage/blood ; *Insulin Resistance ; Liver/metabolism ; *Longevity ; Male ; Mice ; Mice, Inbred C57BL ; Multiprotein Complexes ; Muscle, Skeletal/metabolism ; Phosphorylation ; Proteins/antagonists & inhibitors/metabolism ; Proto-Oncogene Proteins c-akt/metabolism ; Signal Transduction ; Sirolimus/*pharmacology ; TOR Serine-Threonine Kinases/genetics/metabolism
    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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    Alzheimer's research. Stopping Alzheimer's before it starts (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-08-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Greg -- New York, N.Y. -- Science. 2012 Aug 17;337(6096):790-2. doi: 10.1126/science.337.6096.790.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22903991" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Age of Onset ; Alzheimer Disease/diagnosis/*genetics/*prevention & control ; Antibodies, Monoclonal/therapeutic use ; Antibodies, Monoclonal, Humanized/therapeutic use ; Apolipoprotein E4/genetics ; Child ; *Clinical Trials as Topic ; DNA Mutational Analysis ; Female ; *Genetic Predisposition to Disease ; Heterozygote Detection ; Humans ; Information Services ; Male ; Pedigree ; Primary Prevention/*methods ; 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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  • 8
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    Psychology. Tapping into the wisdom of the crowd--with confidence (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-04-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hertwig, Ralph -- New York, N.Y. -- Science. 2012 Apr 20;336(6079):303-4. doi: 10.1126/science.1221403.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, University of Basel, Missionsstrasse 60-64, CH-4055 Basel, Switzerland. ralph.hertwig@unibas.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22517847" target="_blank"〉PubMed〈/a〉
    Keywords: *Decision Making ; Female ; *Group Processes ; Humans ; *Interpersonal Relations ; Male
    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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  • 9
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    Erasure of a spinal memory trace of pain by a brief, high-dose opioid administration (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-01-17
    Description: Painful stimuli activate nociceptive C fibers and induce synaptic long-term potentiation (LTP) at their spinal terminals. LTP at C-fiber synapses represents a cellular model for pain amplification (hyperalgesia) and for a memory trace of pain. mu-Opioid receptor agonists exert a powerful but reversible depression at C-fiber synapses that renders the continuous application of low opioid doses the gold standard in pain therapy. We discovered that brief application of a high opioid dose reversed various forms of activity-dependent LTP at C-fiber synapses. Depotentiation involved Ca(2+)-dependent signaling and normalization of the phosphorylation state of alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptors. This also reversed hyperalgesia in behaving animals. Opioids thus not only temporarily dampen pain but may also erase a spinal memory trace of pain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Drdla-Schutting, Ruth -- Benrath, Justus -- Wunderbaldinger, Gabriele -- Sandkuhler, Jurgen -- New York, N.Y. -- Science. 2012 Jan 13;335(6065):235-8. doi: 10.1126/science.1211726.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurophysiology, Center for Brain Research, Medical University of Vienna, A-1090 Vienna, Austria.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22246779" target="_blank"〉PubMed〈/a〉
    Keywords: Analgesics, Opioid/*administration & dosage ; Animals ; Calcium Signaling ; Evoked Potentials ; Hyperalgesia/chemically induced/drug therapy ; Long-Term Potentiation/*drug effects ; Male ; Naloxone/administration & dosage ; Nerve Fibers, Unmyelinated/*drug effects/physiology ; Nociceptive Pain/*drug therapy/physiopathology ; Phosphorylation ; Piperidines/*administration & dosage ; Protein Kinase C/antagonists & inhibitors/metabolism ; Protein Phosphatase 1/antagonists & inhibitors/metabolism ; Rats ; Rats, Sprague-Dawley ; Receptors, AMPA/metabolism ; Receptors, Opioid, mu/agonists/metabolism ; Sciatic Nerve/*drug effects/physiology ; Somatostatin/administration & dosage/analogs & derivatives ; Spinal Cord/physiology ; Synapses/*drug effects/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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  • 10
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    Neuropathology. Blast injuries linked to neurodegeneration in veterans (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-05-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Greg -- New York, N.Y. -- Science. 2012 May 18;336(6083):790-1. doi: 10.1126/science.336.6083.790.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22605724" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Axons/pathology ; Blast Injuries/metabolism/*pathology ; Brain/*pathology ; Brain Chemistry ; Brain Injury, Chronic/metabolism/*pathology ; Humans ; Male ; Mice ; Middle Aged ; *Military Personnel ; *Veterans ; Young Adult ; tau Proteins/analysis
    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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