
{"id":15374,"date":"2015-03-02T12:11:36","date_gmt":"2015-03-02T12:11:36","guid":{"rendered":"http:\/\/ibecbarcelona.eu\/?p=15374"},"modified":"2015-08-26T13:01:20","modified_gmt":"2015-08-26T13:01:20","slug":"un-gran-paso-hacia-la-reparacion-de-la-espina-dorsal","status":"publish","type":"post","link":"https:\/\/ibecbarcelona.eu\/es\/un-gran-paso-hacia-la-reparacion-de-la-espina-dorsal\/","title":{"rendered":"Un gran paso hacia la reparaci\u00f3n de la espina dorsal"},"content":{"rendered":"<p>Pero en este ambiente, el trabajo de las OECs se ve reducido por la presencia persistente de mol\u00e9culas inhibitorias que impiden no solo sus habilidades de gu\u00eda sino que tambi\u00e9n impide el crecimiento de los axones. [br]<\/p>\n<h6 class=\"caption\" style=\"width: 230px; float: left; padding: 0px 10px 10px 0px;\">Imagen: Cultivo de OECs utilizado en el estudio<\/h6>\n<p>En un art\u00edculo publicado la semana pasada en\u00a0<em>Cell Mol Life Sci<\/em>, los investigadores revelan que una mol\u00e9cula determinada,\u00a0proteoglicanos de sulfato de condroitina o CSPG, causa este impedimento\u00a0al afectar negativamente las capacidades migratorias de la OECS. Los investigadores ya conoc\u00edan que la migraci\u00f3n de las OEC est\u00e1 tambi\u00e9n inhibida por la mielina, el material aislante neuronal, pero esto se puede solucionar\u00a0mediante el dise\u00f1o de un lote de OECs que produzca en exceso\u00a0la prote\u00edna del receptor de Nogo, que suprime las propiedades inhibidoras de mielina. Estas OECs, cuando se introducen en espinas dorsales da\u00f1adas, son capaces de migrar distancias m\u00e1s largas en este ambiente inhibitorio post-lesi\u00f3n.<\/p>\n<p>\u201cNosotros ya sab\u00edamos c\u00f3mo trabajar con la mielina y parar la inhibici\u00f3n de la migraci\u00f3n de OEX,\u00bb dice Jos\u00e9 Antonio del R\u00edo del grupo de Neurobiotecnolog\u00eda Molecular y Celular del IBEC y que ha dirigido el estudio. \u00abAhora, sabemos que tenemos que tenemos que intentar hacer lo mismo con CSPG, lo que nos acercar\u00e1 m\u00e1s hacia tener OECs con todas sus capacidades migratorias intactas.\u00bb<\/p>\n<p>El trabajo lo llevaron a cabo\u00a0miembros de tres grupos de investigaci\u00f3n del IBEC, combinando la experiencia en el \u00e1mbito neural\u00a0del Prof. Del R\u00edo responsable del grupo Neurobiotecnolog\u00eda Molecular y Celular y del grupo de Integraci\u00f3n Celular y Din\u00e1mica de Tejidos en el \u00e1mbito de la migraci\u00f3n celular. La tecnolog\u00eda la prest\u00f3\u00a0el grupo de Nanobioingenier\u00eda, as\u00ed como a sus colaboradores en las Universidades Aut\u00f3nomas de Barcelona y Madrid. Los resultados constituyen un buen ejemplo de lo que puede ser el resultado de la riqueza de las diferentes disciplinas en el trabajo del IBEC, cuyo equipo de investigaci\u00f3n incluye los f\u00edsicos, qu\u00edmicos, bi\u00f3logos, ingenieros y cient\u00edficos de la computaci\u00f3n, todos bajo el mismo techo.<\/p>\n<p>El trabajo fue financiado\u00a0por la Fundaci\u00f3n La Caixa, ya que comprende parte del proyecto institucional \u00abSistemes de Diagn\u00f2stic i Ter\u00e0pia basats en la Integraci\u00f3 de Noves Tecnologies informaci\u00f3n bio nano i Cogno\u00bb. El IBEC es uno de los cinco centros que han recibido financiaci\u00f3n en plan piloto del banco para financiar las actividades de evaluaci\u00f3n de la investigaci\u00f3n y transferencia de tecnolog\u00eda.<\/p>\n<p>&#8212; <strong>Art\u00edculo de referencia<\/strong>: D. Reginensi, P. Carulla, S. Nocentini, O. Seira, X. Serra, A. Torres-Esp\u00edn, R. Gav\u00edn, M.T. Moreno-Flores, F. Wandosell, J. Samitier, X. Trepat, X. Navarro, J.A. del R\u00edo. (2015). <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/25708702\">Increased migration of olfactory ensheathing cells secreting the Nogo receptor ectodomain over inhibitory substrates and lesioned spinal cord.<\/a> <em>Cell Mol Life Sci.<\/em>, 72 (14): 2719-37<\/p>\n","protected":false},"excerpt":{"rendered":"<h3><img decoding=\"async\" data-src=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2015\/03\/OECs_sm.jpg\" alt=\"OECs_sm\" width=\"400\" height=\"412\" class=\"left size-full wp-image-15259 lazyload\" data-srcset=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2015\/03\/OECs_sm.jpg 400w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2015\/03\/OECs_sm-291x300.jpg 291w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2015\/03\/OECs_sm-126x130.jpg 126w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2015\/03\/OECs_sm-146x150.jpg 146w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2015\/03\/OECs_sm-45x45.jpg 45w\" data-sizes=\"(max-width: 400px) 100vw, 400px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 400px; --smush-placeholder-aspect-ratio: 400\/412;\" \/>Investigadores del Instituto de Bioingenier\u00eda de Catalu\u00f1a y sus colaboradores revelan que est\u00e1n un paso m\u00e1s cerca de optimizar la gu\u00eda de las c\u00e9lulas durante su regeneraci\u00f3n de la espina dorsal<\/h3>\n<p>El sistema olfativo es una \u00e1rea del cuerpo que puede regenerarse por si misma, y lo hace utilizando las c\u00e9lulas olfativas ensheathing (OECs) para guiar a los axones reci\u00e9n formados \u2013 largas proyecciones de las c\u00e9lulas nerviosas \u2013 a trav\u00e9s del sistema nervioso central Naturalmente, los investigadores ya hab\u00edan probado trasplantar c\u00e9lulas OECs en la columna vertebral, para ver si su habilidad tambi\u00e9n serv\u00eda para promover la regeneraci\u00f3n axonal en las lesiones de la columna vertebral y en enfermedades neuronales.<\/p>\n","protected":false},"author":4,"featured_media":15260,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[97],"tags":[],"post_formats":[],"class_list":["post-15374","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias-de-investigacion"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Un gran paso hacia la reparaci\u00f3n de la espina dorsal - Institute for Bioengineering of Catalonia<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ibecbarcelona.eu\/es\/un-gran-paso-hacia-la-reparacion-de-la-espina-dorsal\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" 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