{"id":16892,"date":"2018-03-09T09:04:43","date_gmt":"2018-03-09T09:04:43","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-los-precursores-de-celulas-musculares-bajo-los-efectos-de-extracto-de-musculo-denervado\/"},"modified":"2018-03-09T09:04:43","modified_gmt":"2018-03-09T09:04:43","slug":"estudio-de-los-precursores-de-celulas-musculares-bajo-los-efectos-de-extracto-de-musculo-denervado","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/estudio-de-los-precursores-de-celulas-musculares-bajo-los-efectos-de-extracto-de-musculo-denervado\/","title":{"rendered":"Estudio de los precursores de c\u00e9lulas musculares bajo los efectos de extracto de m\u00fasculo denervado"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Recio Ram\u00edrez Jos\u00e9 Manuel <\/strong><\/h2>\n<p>El objetivo del presente estudio ha sido analizar el comportamiento de las c\u00e9lulas sat\u00e9lites del m\u00fasculo esquel\u00e9tico en la hipertrofia inducida por la administraci\u00f3n de extracto de m\u00fasculo denervado, as\u00ed como determinar la participaci\u00f3n, como precursores de c\u00e9lulas musculares, de otros tipos diferentes a las c\u00e9lulas sat\u00e9lites.  el estudio se realiz\u00f3 sobre ratas wistar, a las que se les administr\u00f3 intraperitoneralmente un extracto de m\u00fasculo s\u00f3leo obtenido tras cuatro d\u00edas de denervaci\u00f3n. Se estudiaron los m\u00fasculos s\u00f3leo con t\u00e9cnicas histoqu\u00edmicas, inmunohistoqu\u00edmicas, morfom\u00e9tricas y de microscop\u00eda electr\u00f3nica de transmisi\u00f3n.  los resultados mostraron que aunque se estableci\u00f3 un cuadro de hipertrofia, no hubo proliferaci\u00f3n de la poblaci\u00f3n de c\u00e9lulas sat\u00e9lites. Un 30% de \u00e9stas mostraron claros signos de activaci\u00f3n, relacionados con un proceso de diferenciaci\u00f3n conducente a su fusi\u00f3n con las fibras hipertr\u00f3ficas, conduciendo a un aumento en el n\u00famero de mion\u00facleos. Sin embargo, llam\u00f3 la atenci\u00f3n que el n\u00famero de c\u00e9lulas sat\u00e9lites no disminuy\u00f3 en ausencia de proliferaci\u00f3n de las mismas, lo cual indicaba que otros tipos celulares pudieran estar actuando para mantener estable de poblaci\u00f3n de c\u00e9lulas sat\u00e9lites. El aumento de la celularidad intersticial, as\u00ed como la presencia de c\u00e9lulas positivas para desmina apoy\u00f3 esta posibilidad.  el estudio ultraestructural puso de manifiesto la presencia de c\u00e9lulas id\u00e9ntica a las c\u00e9lulas sat\u00e9lites en las proximidades de las fibras musculares, una activaci\u00f3n y aumento en el n\u00famero de pericitos y la aparici\u00f3n de c\u00e9lulas muy similares a las c\u00e9lulas endoteliales en el intersticio. En relaci\u00f3n con estos resultados, recientes investigaciones sugieren la existencia de otros tipos celulares ligados a la l\u00ednea vascular que actuar\u00edan como precursores de c\u00e9lulas musculares, complementando el papel de la c\u00e9lula sat\u00e9lite en los procesos de hipertrofia y<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de los precursores de c\u00e9lulas musculares bajo los efectos de extracto de m\u00fasculo denervado<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de los precursores de c\u00e9lulas musculares bajo los efectos de extracto de m\u00fasculo denervado <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Recio Ram\u00edrez Jos\u00e9 Manuel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/05\/2002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Jose Pe\u00f1a Amaro<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: ricardo Vaamonde lemos <\/li>\n<li>lourdes Vidal miralles (vocal)<\/li>\n<li>ignacio P\u00e9rez de vargas ferroni (vocal)<\/li>\n<li>pascual vicente Crespo ferrer (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Recio Ram\u00edrez Jos\u00e9 Manuel El objetivo del presente estudio ha sido analizar el comportamiento de las c\u00e9lulas 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