3,171 research outputs found

    Petri Net modelling approach for analysing the behaviour of Wnt/[inline-formula removed] -catenin and Wnt/Ca 2+ signalling pathways in arrhythmogenic right ventricular cardiomyopathy.

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    Arrhythmogenic right ventricular cardiomyopathy (ARVC) is an inherited heart muscle disease that may result in arrhythmia, heart failure and sudden death. The hallmark pathological findings are progressive myocyte loss and fibro fatty replacement, with a predilection for the right ventricle. This study focuses on the adipose tissue formation in cardiomyocyte by considering the signal transduction pathways including Wnt/[inline-formula removed]-catenin and Wnt/Ca2+ regulation system. These pathways are modelled and analysed using stochastic petri nets (SPN) in order to increase our comprehension of ARVC and in turn its treatment regimen. The Wnt/[inline-formula removed]-catenin model predicts that the dysregulation or absence of Wnt signalling, inhibition of dishevelled and elevation of glycogen synthase kinase 3 along with casein kinase I are key cytotoxic events resulting in apoptosis. Moreover, the Wnt/Ca2+ SPN model demonstrates that the Bcl2 gene inhibited by c-Jun N-terminal kinase protein in the event of endoplasmic reticulum stress due to action potential and increased amount of intracellular Ca2+ which recovers the Ca2+homeostasis by phospholipase C, this event positively regulates the Bcl2 to suppress the mitochondrial apoptosis which causes ARVC

    Between History and Geography

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    German Ethnography in Australia

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    The contribution of German ethnography to Australian anthropological scholarship on Aboriginal societies and cultures has been limited, primarily because few people working in the field read German. But it has also been neglected because its humanistic concerns with language, religion and mythology contrasted with the mainstream British social anthropological tradition that prevailed in Australia until the late 1960s. The advent of native title claims, which require drawing on the earliest ethnography for any area, together with an increase in research on rock art of the Kimberley region, has stimulated interest in this German ethnography, as have some recent book translations. Even so, several major bodies of ethnography, such as the 13 volumes on the cultures of northeastern South Australia and the seven volumes on the Aranda of the Alice Springs region, remain inaccessible, along with many ethnographically rich articles and reports in mission archives. In 18 chapters, this book introduces and reviews the significance of this neglected work, much of it by missionaries who first wrote on Australian Aboriginal cultures in the 1840s. Almost all of these German speakers, in particular the missionaries, learnt an Aboriginal language in order to be able to document religious beliefs, mythology and songs as a first step to conversion. As a result, they produced an enormously valuable body of work that will greatly enrich regional ethnographies

    German Ethnography in Australia

    Get PDF
    The contribution of German ethnography to Australian anthropological scholarship on Aboriginal societies and cultures has been limited, primarily because few people working in the field read German. But it has also been neglected because its humanistic concerns with language, religion and mythology contrasted with the mainstream British social anthropological tradition that prevailed in Australia until the late 1960s. The advent of native title claims, which require drawing on the earliest ethnography for any area, together with an increase in research on rock art of the Kimberley region, has stimulated interest in this German ethnography, as have some recent book translations. Even so, several major bodies of ethnography, such as the 13 volumes on the cultures of northeastern South Australia and the seven volumes on the Aranda of the Alice Springs region, remain inaccessible, along with many ethnographically rich articles and reports in mission archives. In 18 chapters, this book introduces and reviews the significance of this neglected work, much of it by missionaries who first wrote on Australian Aboriginal cultures in the 1840s. Almost all of these German speakers, in particular the missionaries, learnt an Aboriginal language in order to be able to document religious beliefs, mythology and songs as a first step to conversion. As a result, they produced an enormously valuable body of work that will greatly enrich regional ethnographies

    Six Theses on Mechanisms and Mechanistic Science

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    In this paper we identify six theses that constitute core results of philosophical investigation into the nature of mechanisms, and of the role that the search for and identification of mechanisms play in the sciences. These theses represent the fruits of the body of research that is now often called New Mechanism. We concisely present the main arguments for these theses. In the literature, these arguments are scattered and often implicit. Our analysis can guide future research in many ways: it provides critics of New Mechanism with clear targets, it can reduce misunderstandings, it can clarify differences of opinion among New Mechanists and it helps to define a research agenda for New Mechanists
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