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  • 1
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    A clonogenic bone marrow progenitor specific for macrophages and dendritic cells (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-12-03
    Description: Macrophages and dendritic cells (DCs) are crucial for immune and inflammatory responses and belong to a network of cells that has been termed the mononuclear phagocyte system (MPS). However, the origin and lineage of these cells remain poorly understood. Here, we describe the isolation and clonal analysis of a mouse bone marrow progenitor that is specific for monocytes, several macrophage subsets, and resident spleen DCs in vivo. It was also possible to recapitulate this differentiation in vitro by using treatment with the cytokines macrophage colony-stimulating factor and granulocyte-macrophage colony-stimulating factor. Thus, macrophages and DCs appear to renew from a common progenitor, providing a cellular and molecular basis for the concept of the MPS.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fogg, Darin K -- Sibon, Claire -- Miled, Chaouki -- Jung, Steffen -- Aucouturier, Pierre -- Littman, Dan R -- Cumano, Ana -- Geissmann, Frederic -- A133856/PHS HHS/ -- G0900867/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2006 Jan 6;311(5757):83-7. Epub 2005 Dec 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INSERM, Laboratory of Mononuclear Phagocyte Biology, Avenir Team, Necker Enfants Malades Institute, 75015 Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16322423" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Lineage ; Cell Separation ; Clone Cells ; Colony-Stimulating Factors/pharmacology ; Dendritic Cells/*cytology ; Flow Cytometry ; Granulocyte Colony-Stimulating Factor/pharmacology ; Hematopoietic Stem Cell Transplantation ; Macrophage Colony-Stimulating Factor/pharmacology ; Macrophages/*cytology ; Mice ; Mice, Inbred C57BL ; Myeloid Progenitor Cells/*cytology/immunology ; Proto-Oncogene Proteins c-kit/analysis ; Receptors, Cytokine/analysis ; Receptors, HIV/analysis ; Recombinant Proteins ; Spleen/cytology
    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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    The coming paradigm shift in forensic identification science (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-08-06
    Description: Converging legal and scientific forces are pushing the traditional forensic identification sciences toward fundamental change. The assumption of discernible uniqueness that resides at the core of these fields is weakened by evidence of errors in proficiency testing and in actual cases. Changes in the law pertaining to the admissibility of expert evidence in court, together with the emergence of DNA typing as a model for a scientifically defensible approach to questions of shared identity, are driving the older forensic sciences toward a new scientific paradigm.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Saks, Michael J -- Koehler, Jonathan J -- New York, N.Y. -- Science. 2005 Aug 5;309(5736):892-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉College of Law, Arizona State University, Tempe, AZ 85287, USA. saks@asu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16081727" target="_blank"〉PubMed〈/a〉
    Keywords: DNA/classification ; Expert Testimony ; Forecasting ; Forensic Sciences/legislation & jurisprudence/*trends ; Humans ; Models, Theoretical ; Reproducibility of Results
    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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  • 3
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    Representation of action-specific reward values in the striatum (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-11-29
    Description: The estimation of the reward an action will yield is critical in decision-making. To elucidate the role of the basal ganglia in this process, we recorded striatal neurons of monkeys who chose between left and right handle turns, based on the estimated reward probabilities of the actions. During a delay period before the choices, the activity of more than one-third of striatal projection neurons was selective to the values of one of the two actions. Fewer neurons were tuned to relative values or action choice. These results suggest representation of action values in the striatum, which can guide action selection in the basal ganglia circuit.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Samejima, Kazuyuki -- Ueda, Yasumasa -- Doya, Kenji -- Kimura, Minoru -- New York, N.Y. -- Science. 2005 Nov 25;310(5752):1337-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Computational Neurobiology, ATR Computational Neuroscience Laboratories, 619-0288 Kyoto, Japan. samejima@lab.tamagawa.ac.jp〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16311337" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Brain Mapping ; Caudate Nucleus/*physiology ; *Choice Behavior ; Corpus Striatum/*physiology ; Female ; Macaca ; Male ; Neurons/*physiology ; Probability ; Putamen/*physiology ; Regression Analysis ; Reinforcement (Psychology) ; *Reward
    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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  • 4
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    Elephants, ecology, and nonequilibrium? (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-02-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Illius, Andrew W -- New York, N.Y. -- Science. 2005 Feb 4;307(5710):674; author reply 674.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15714610" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Conservation of Natural Resources ; Ecology ; *Ecosystem ; Elephants ; Environment ; *Mammals ; Population Density ; Population Dynamics
    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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  • 5
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    Questions about Orrorin femur (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-02-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ohman, James C -- Lovejoy, C Owen -- White, Tim D -- New York, N.Y. -- Science. 2005 Feb 11;307(5711):845; author reply 845.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15709231" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Femoral Neck Fractures/pathology ; Femur/*anatomy & histology/radiography ; Femur Neck/anatomy & histology/radiography ; *Fossils ; Hominidae/*anatomy & histology/physiology ; Humans ; Locomotion ; Tomography, X-Ray Computed
    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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  • 6
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    Neuroimaging. An image of disease (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-03-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Olson, Steve -- New York, N.Y. -- Science. 2005 Mar 11;307(5715):1550.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15761133" target="_blank"〉PubMed〈/a〉
    Keywords: *Bioethical Issues ; Brain/anatomy & histology/*pathology ; Brain Diseases/*diagnosis ; *Diagnostic Imaging ; Humans ; *Incidental Findings ; *Research Subjects
    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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  • 7
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    Adaptive coding of reward value by dopamine neurons (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-03-12
    Description: It is important for animals to estimate the value of rewards as accurately as possible. Because the number of potential reward values is very large, it is necessary that the brain's limited resources be allocated so as to discriminate better among more likely reward outcomes at the expense of less likely outcomes. We found that midbrain dopamine neurons rapidly adapted to the information provided by reward-predicting stimuli. Responses shifted relative to the expected reward value, and the gain adjusted to the variance of reward value. In this way, dopamine neurons maintained their reward sensitivity over a large range of reward values.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tobler, Philippe N -- Fiorillo, Christopher D -- Schultz, Wolfram -- 095495/Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2005 Mar 11;307(5715):1642-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy, University of Cambridge, Downing Street, Cambridge CB2 3DY, UK, and Institute of Physiology, University of Fribourg, CH-1700 Fribourg, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15761155" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptation, Physiological ; Animals ; Discrimination (Psychology) ; Dopamine/*physiology ; Electrophysiology ; Female ; Learning ; Macaca fascicularis ; Mesencephalon/cytology/*physiology ; Neurons/*physiology ; Photic Stimulation ; Probability ; *Reward
    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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    Proposition 71. Proposed legislation threatens to slow California stem cell rush (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-03-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2005 Mar 25;307(5717):1857.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15790821" target="_blank"〉PubMed〈/a〉
    Keywords: California ; Cell Line ; Cloning, Organism ; *Embryo Research/economics/legislation & jurisprudence ; Embryo, Mammalian/*cytology ; Humans ; *Research Support as Topic/legislation & jurisprudence ; *Stem Cells ; Tissue Donors/legislation & jurisprudence
    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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    Neuroimaging. Brain scans raise privacy concerns (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-03-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Olson, Steve -- New York, N.Y. -- Science. 2005 Mar 11;307(5715):1548-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15761132" target="_blank"〉PubMed〈/a〉
    Keywords: *Bioethical Issues ; Brain/*anatomy & histology/*physiology ; Confidentiality ; Deception ; *Diagnostic Imaging ; Humans ; *Mental Processes ; *Personality ; *Privacy
    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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  • 10
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    The influence of social hierarchy on primate health (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-04-30
    Description: Dominance hierarchies occur in numerous social species, and rank within them can greatly influence the quality of life of an animal. In this review, I consider how rank can also influence physiology and health. I first consider whether it is high- or low-ranking animals that are most stressed in a dominance hierarchy; this turns out to vary as a function of the social organization in different species and populations. I then review how the stressful characteristics of social rank have adverse adrenocortical, cardiovascular, reproductive, immunological, and neurobiological consequences. Finally, I consider how these findings apply to the human realm of health, disease, and socioeconomic status.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sapolsky, Robert M -- New York, N.Y. -- Science. 2005 Apr 29;308(5722):648-52.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Biological Sciences, Neurology and Neurological Sciences, Stanford University, MC 5020, Stanford, CA 94305-5020, USA. sapolsky@stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15860617" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anxiety ; Behavior, Animal ; Cardiovascular Physiological Phenomena ; Catecholamines/metabolism ; Dominance-Subordination ; *Health Status ; Humans ; Hydrocortisone/metabolism ; Immune System/physiology ; Nervous System Physiological Phenomena ; *Primates/physiology/psychology ; Reproduction ; *Social Behavior ; Social Class ; *Social Dominance ; *Stress, Physiological/physiopathology
    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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