2,518 research outputs found

    Introduction to Translation.

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    We introduce here the inaugural issue of the new scientific journal Translation. The overarching aim of this endeavor is to establish a new forum for a broad spectrum of research in the area of protein synthesis in living systems ranging from structural biochemical, evolutionary and regulatory aspects of translation to the fundamental questions related to post-translational control of somatic phenomena in multicellular organisms including human behavior and health. The journal will publish high quality research articles, provide novel insights, ask provocative questions and discuss new hypothesis in this emerging field. Launching a new journal is always challenging. We hope that strong criteria for the peer-review process, transparency of the editorial policy and the scientific reputation of its founders, editors and editorial board assure the success of Translation; and we rely on continuing support of the scientific community in all aspects of the journal's activity

    It Takes an Instigator, Vision and Passion, Promoting Health In Haiti: Developing a Partnership Between an Impoverished Nation and an NGO to Develop Advanced Practice Nursing Education, A Case Study

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    Four nurse educators went to Haiti after the 2012 earthquake to help rebuild the School of Nursing in Port-au-Prince. They were alarmed by the low level of health care in Haiti. Most people have no care, and those that do are treated by nurses who are not trained to do so. This article details the steps the nurses went through to start a family nurse practitioner program in Haiti to address the need for primary care and discusses how they created the partnerships necessary to start such an innovative program at the University of Haiti

    Discovery through Numeric Strata: A Balance of Form and Aesthetics.

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    This thesis is in support of my Master of Fine Arts exhibition in the Carroll Reece Museum at East Tennessee State University. It describes a body of work that strives for a balance of form and aesthetics. Chapter 1 charts how I refined my personal stylistic qualities. Chapter 2 gives a brief overview of the history of ceramics techique. Chapter 3 discusses the surface treatment and construction of the pieces in the show. Chapter 4 presents each piece in chronological order

    Host Translation at the Nexus of Infection and Immunity

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    By controlling gene expression at the level of mRNA translation, organisms temporally and spatially respond swiftly to an ever-changing array of environmental conditions. This capacity for rapid response is ideally suited for mobilizing host defenses and coordinating innate responses to infection. Not surprisingly, a growing list of pathogenic microbes target host mRNA translation for inhibition. Infection with bacteria, protozoa, viruses, and fungi has the capacity to interfere with ongoing host protein synthesis and thereby trigger and/or suppress powerful innate responses. This review discusses how diverse pathogens manipulate the host translation machinery and the impact of these interactions on infection biology and the immune response

    Distinctive tRNA Repertoires in Proliferating versus Differentiating Cells

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    Transfer RNAs (tRNAs) deliver amino acids to the ribosome during mRNA translation. Gingold et al. now provide evidence that alterations in the cellular tRNA repertoire are tightly coordinated with changes in mRNA expression. These changes in the tRNA repertoire dictate translational programs that distinguish differentiating from proliferating cells

    A rapamycin-sensitive signaling pathway contributes to long-term synaptic plasticity in the hippocampus

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    Many forms of long-lasting behavioral and synaptic plasticity require the synthesis of new proteins. For example, long-term potentiation (LTIP) that endures for more than an hour requires both transcription and translation. The signal-transduction mechanisms that couple synaptic events to protein translational machinery during long-lasting synaptic plasticity, however, are not well understood. One signaling pathway that is stimulated by growth factors and results in the translation of specific mRNAs includes the rapamycin-sensitive kinase mammalian target of rapamycin (mTOR, also known as FRAP and RAFT-1). Several components of this translational signaling pathway, including mTOR, eukaryotic initiation factor-4E-binding proteins 1 and 2, and eukaryotic initiation factor-4E, are present in the rat hippocampus as shown by Western blot analysis, and these proteins are detected in the cell bodies and dendrites in the hippocampal slices by immunostaining studies. In cultured hippocampal neurons, these proteins are present in dendrites and are often found near the presynaptic protein, synapsin I. At synaptic sites, their distribution completely overlaps with a postsynaptic protein, PSD-95. These observations suggest the postsynaptic localization of these proteins. Disruption of mTOR signaling by rapamycin results in a reduction of late-phase LTP expression induced by high-frequency stimulation; the early phase of LTIP is unaffected. Rapamycin also blocks the synaptic potentiation induced by brain-derived neurotrophic factor in hippocampal slices. These results demonstrate an essential role for rapamycin-sensitive signaling in the expression of two forms of synaptic plasticity that require new protein synthesis. The localization of this translational signaling pathway at postsynaptic sites may provide a mechanism that controls local protein synthesis at potentiated synapses
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