980 resultados para Old World leishmaniasis


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Infection by the human protozoan parasite Leishmania can lead, depending primarily on the parasite species, to either cutaneous or mucocutaneous lesions, or fatal generalized visceral infection. In the New World, Leishmania (Viannia) species can cause mucocutaneous leishmaniasis (MCL). Clinical MCL involves a strong hyper-inflammatory response and parasitic dissemination (metastasis) from a primary lesion to distant sites, leading to destructive metastatic secondary lesions especially in the nasopharyngal areas. Recently, we reported that metastasizing, but not non-metastatic strains of Leishmania (Viannia) guyanensis, have high burden of a non-segmented dsRNA virus, Leishmania RNA Virus (LRV). Viral dsRNA is sensed by the host Toll-like Receptor 3 (TLR3) thereby inducing a pro-inflammatory response and exacerbating the disease. The presence of LRV in Leishmania opens new perspectives not only in basic understanding of the intimate relation between the parasite and LRV, but also in understanding the importance of the inflammatory response in MCL patients.

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Dividido en tres partes, se repasan en ellas las características de las cinco grandes potencias europeas del momento: los imperios británico, alemán, ruso, austro-húngaro y la república de Francia, así como las figuras de sus gobernantes; en segundo lugar, trata de la expansión por el continente de un frágil sistema de alianzas, y por último, del polvorín político de los Balcanes. Incluye fragmentos de fuentes históricas originales, así como material de aprendizaje activo: ejercicios, preguntas y pruebas.

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Contrary to the dearly held belief by Britons that among the nations of the world, they are the favourites of the Americans, Holliwood movies show that even today, judging by the accents of "baddies", the English incarnate the arch-enemy. French villains come a close second. Britain and France are the reactionary, corrupt "old Europe" from whom the Americans tried to cut away ever since 1775, and it is actually the Central-East European countries who as "new Europe" enjoy greater popularity as bearers of hope.

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Mode of access: Internet.

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Mode of access: Internet.

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Reprinted from "The United service magazine."

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"Bibliographical note": p. 151-152.

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Includes bibliography and index.