1,721,601 research outputs found

    Premi e sintomi

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    L'attribuzione del Premio Costruire 2005 offre, come di consueto, l'occasione per osservare da vicino alcune delle tendenze tecniche che animano l'offerta di materiali e componenti edilizi sul mercato italiano. Nell'articolo, le motivazioni dei quattro Premi e delle quattro Menzioni assegnate, con una descrizione delle principali caratteristiche e alcune immagini di ciascuno dei prodotti

    Disease-modifying therapies in frontotemporal lobar degeneration.

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    Frontotemporal Lobar Degeneration (FTLD) is characterized by behavioral changes, executive dysfunctions, and language impairment, sustained by different neuropathological patterns. The collective efforts of clinical, pathological and genetic studies have recently opened new insights into the underpinnings of pathological mechanisms of this complex disorder. Different types of inclusions define the new conceptual framework for FTLD classification. Up to now, Tau (FTLDTau-positive), TAR DNA-binding protein (TDP43, FTLD Tau-negative TDP43-positive) have been recognized as the most frequent neuropathological hallmarks of FTLD. In some clinical cases, monogenic forms are identified, mainly due to Microtubule Associated Protein (MAPT) or Granulin (GRN) mutations. No treatments for FTLD are available yet, and off-label medications studies testing potential modifying treatments on the basis of neuropathological positive, inhibitors of Tau kinases or manipulation of Tau-processing haploinsuffciency associated with GRN mutations, has been counteracted into pathological processing of TDP-43 and other key-molecules involved and their consequent translocation from nucleus to cytoplasm, and growing number of potential therapeutic targets. In this continuously new findings on molecular targets and modifying therapies in FTL

    Reserve Mechanisms in Neurodegenerative Diseases: from bench to bedside and back again.

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    In the course of neurodegenerative disorders there are several mechanisms that may counteract the pathological process, mitigating the clinical manifestations of the disease. Usually referred as cognitive reserve hypothesis, this theoretical framework posits that individuals with enriched cognitive status (i.e. with higher educational and occupational levels and higher individual social achievement) may cope better with the occurrence of cognitive decline by a more efficient recruitment of neural networks sustaining higher-level functions. Cognitive reserve was initially studied in Alzheimer's disease, but this concept has been soon after extended also to other neurodegenerative disorders, such as Frontotemporal Dementia, Parkinson's disease, and Huntingtons disease, suggesting a general applicability of cortical plasticity phenomena in contrasting neurodegeneration. The neural underpinnings of these dynamic compensatory mechanisms open the possibility for strategic interventions based on environmental approaches. In this continuously growing field, the aim of the present review is to explore new acquisitions, derived from basic research and clinical grounds, on cognitive reserve mechanisms and the potential application as novel therapeutic targets in neurodegenerative diseases

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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