373 research outputs found

    Lysosomal involvement in cell death and cancer

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    AbstractLysosomes, with their arsenal of degradative enzymes are increasingly becoming an area of interest in the field of oncology. The changes induced in this compartment upon transformation are numerous and whereas most are viewed as pro-oncogenic the same processes also render cancer cells susceptible to lysosomal death pathways. This review will provide an overview of the pro- and anti-oncogenic potential of this compartment and how these might be exploited for cancer therapy, with special focus on lysosomal death pathways

    Designing Ukraines Recovery in the Spirit of the Marshall Plan: Principles, Architecture, Financing, Accountability - Recommendations for Donor Countries

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    US Secretary of State George C. Marshall, speaking at Harvard University 75 years ago, laid out a plan that combined aid to war-ravaged European countries with the strategic goal of building an alliance against Soviet expansionism.West German Chancellor Willy Brandt, speaking at Harvard University 50 years ago, presented the idea of the German Marshall Fund of the United States (GMF) as a gift to the American people, a sign of gratitude by the German people and a living memorial to the original Marshall Plan.Today, the idea of another Marshall Plan is in the air. For the first time since 1947, a project for an expansive recovery effort on the European continent is needed and realistic. Russian President Vladimir Putin's war of aggression against Ukraine, with daily widespread devastation in the name of his neo-imperial plan, cries out for a strong, creative response by the global community of democracies. The vision of a free and democratic, modernized and European Ukraine is the answer to Putin's challenge.For decades, the German Marshall Fund of the United States (GMF) has supported the idea of a Europe whole, free, and at peace. It has supported the strengthening of civil society across Central and Eastern Europe. It has helped to generate and circulate ideas that honor the concept of enlightened self-interest and promote a collaborative, rules-based international order. At the core of GMF's work has always been the belief that the transatlantic community is stronger together.In July 2022, at an international conference in Lugano, Ukraine presented its National Recovery Plan. So far, its democratic partners have not responded in kind by agreeing on a plan to help the country rebuild after the war, leaving a void.This paper is an effort by GMF to help fill this void and to stimulate the debate about a meaningful Western plan for Ukraine's recovery. It is not a full blueprint for such an effort but a structured collection of recommendations for donor governments and international institutions. It limits itself to the challenges of designing and implementing such a plan and does not comment on Ukraine's National Recovery Plan. GMF hopes to follow this up with a broader, more comprehensive publication later in 2022 that will cover areas that this paper only touches upon, such as the role of civil society in the recovery process

    Analytical Practices in Western Music Theory: A Comparison and Mediation of Schenkerian and Post-Riemannian Traditions

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    This dissertation is a study of two of the most influential traditions in 20th and 21st-century Western music theory: post-Riemannian function theory and Schenkerian theory, dominating in European and Anglo-American music scholarship, respectively. The purpose is to investigate, chart and provide a path beyond the antagonism that have long existed between these two music-theoretical and ‑analytical traditions. Divided into three main parts, the dissertation aims to achieve this purpose by providing 1) a thorough historical study of the theoretical traditions since Schenker and Riemann (with a special focus on the relatively uncharted territory of post-WWII history); 2) a comparison of theoretical assumptions and analytical practices prevailing in the respective traditions; and 3) a mediation between the two approaches to tonal music in the form of new analytical methods which combine Schenkerian and function-theoretical perspectives

    Cellular origin and ultrastructure of membranes induced during poliovirus infection

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    Poliovirus RNA replicative complexes are associated with cytoplasmic membranous structures that accumulate during viral infection. These membranes were immunoisolated by using a monoclonal antibody against the viral nonstructural protein 2C. Biochemical analysis of the isolated membranes revealed that several organelles of the host cell (lysosomes, trans-Golgi stack and trans-Golgi network, and endoplasmic reticulum) contributed to the virus-induced membranous structures. Electron microscopy of infected cells preserved by high-pressure freezing revealed that the virus-induced membranes contain double lipid bilayers that surround apparently cytosolic material. Immunolabeling experiments showed that poliovirus proteins 2C and 3D were localized to the same membranes as the cellular markers tested. The morphological and biochemical data are consistent with the hypothesis that autophagy or a similar host process is involved in the formation of the poliovirus-induced membranes
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