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  • 1
    Keywords: Life sciences ; Biotechnology ; Agriculture ; Forests and forestry ; Plant breeding ; Renewable energy sources ; Sustainable development ; Life sciences ; Agriculture ; Forestry ; Plant Breeding/Biotechnology ; Renewable and Green Energy ; Sustainable development ; Biotechnology ; Springer eBooks
    Pages: : digital
    ISBN: 9783642134401
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  • 2
    Keywords: Medicine ; Oncology ; Human Genetics ; Biomedicine ; Human Genetics ; Cancer Research ; Springer eBooks
    Description / Table of Contents: Preface -- Introduction -- Non-mammalian hematopoiesis -- Epigenetic mechanisms regulating mammalian hematopoietic stem cell development and function -- Epigenetic and transcriptional mechanisms regulating cell fate decisions and blood cell lineage development -- Epigenetic control of immune cell function -- Subject index
    Abstract: In recent years, great progress has been made in the identification of the molecular players involved in the epigenetic control of gene expression during development. The work of many laboratories has established that regulating the interplay of transcription factors with chromatin components is the major driver of cellular differentiation. Because of their single cell nature and ease of purification, much of what we have learnt about these processes in animals has been delivered based on cellular models within the hematopoietic system. The blood cell system evolved from a few simple cell types in more primitive organisms that provide oxygen transport and carry out phagocytosis into the complex hematopoietic system of mammals, containing many specialized cells types with vastly different functions, such as B cells, T cells, granulocytes, macrophages, erythrocytes, and megakaryocytes. This book describes the intricate processes involved in the development of blood cells across a range of organisms from drosophila and fish at one end, and mammals at the other end. It contains individual chapters devoted to describing the epigenetic and transcriptional mechanisms regulating hematopoiesis in the different organisms and orchestrating the differentiation of a wide variety of cell types. Different chapters describe the function of lymphocytes, macrophages and red blood cells and the molecular players, i.e. transcription factors and the epigenetic regulatory machinery driving their differentiation. Most importantly, the book not only describes normal processes, such as the rearrangements of antigen receptor genes, and the regulation of genes by various mechanisms such as DNA methylation, but also outlines what happens when these processes function abnormally to precipitate diseases such as leukemia and immune disorders
    Pages: XIII, 416 p. 49 illus. in color. : online resource.
    ISBN: 9783642451980
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  • 3
    ISSN: 1432-2072
    Keywords: Psychopharmacology ; Animal Behaviour ; Nicotine ; Physostigmine ; Motor Activity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Rats of 3 strains were observed at regular intervals and their activity was recorded using four categories of behaviour-rearing, moving, grooming and immobile. Strain differences in control activity were found. Nicotine and physostigmine reduced the activity of the more active rats and increased that of the less active animals. Rearing behaviour was particularly susceptible to depression by both drugs. The similarity of effect of the two drugs supports the hypothesis that one of the actions of nicotine in the brain is the release of acetylcholine.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-2072
    Keywords: Motion Pictures ; Motor Skills ; Eye Movements ; Psychopharmacology ; Psychological Tests
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Measures of skilled motor performances, both of a task-oriented (tests of eye-hand coordination) and incidental (control of facial and ocular muscles) nature were recorded for a sample of 20 healthy young adults before and after single administrations of perphenazine, opipramol, imipramine and placebo at doselevels commonly supposed to produce mood or behavioral effects. It was anticipated that such performances would be sensitive even to slight changes in the subjects' physiological and psychological state; the aim was to test the power of tests of subtle skills in providing indices of slight to moderate behavioral effects. The performance measures remained surprisingly little affected by all drugs, despite their sensitivity to drug-independent improvement in performance throughout the experimental day, and despite evidences of drug-related effects, especially for imipramine and opipramol, in simple objective physiological measures, and for imipramine alone in subjective measures taken concurrently. There may be a class of skilled sensory-motor acts, particularly those related to well-learned daily activities, which, rather than being vulnerable to adverse effect, remain efficient even in the presence of signs of disturbance of bodily function.
    Type of Medium: Electronic Resource
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