{"id":25535,"date":"2020-11-10T15:42:03","date_gmt":"2020-11-10T21:42:03","guid":{"rendered":"https:\/\/goldenti.com\/site\/?p=25535"},"modified":"2020-11-10T15:42:05","modified_gmt":"2020-11-10T21:42:05","slug":"combatiendo-el-cancer-con-impresoras-3d","status":"publish","type":"post","link":"https:\/\/goldenti.com\/site\/combatiendo-el-cancer-con-impresoras-3d\/","title":{"rendered":"Combatiendo el c\u00e1ncer con impresoras 3D."},"content":{"rendered":"\n<p style=\"color:#000000\" class=\"has-text-color has-background has-text-align-center has-luminous-vivid-amber-background-color\"><strong>Una nueva tecnolog\u00eda desarrollada con la participaci\u00f3n del CSIC permite imprimir hidrogeles que imitan a los ganglios linf\u00e1ticos y en los cuales proliferan las c\u00e9lulas T<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image is-style-rounded\"><figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"759\" src=\"https:\/\/goldenti.com\/site\/wp-content\/uploads\/2020\/11\/cancer.jpg\" alt=\"\" class=\"wp-image-25536\" srcset=\"https:\/\/goldenti.com\/site\/wp-content\/uploads\/2020\/11\/cancer.jpg 800w, https:\/\/goldenti.com\/site\/wp-content\/uploads\/2020\/11\/cancer-300x285.jpg 300w, https:\/\/goldenti.com\/site\/wp-content\/uploads\/2020\/11\/cancer-768x729.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption><strong>Foto: CMAB-CSIC \/ IBEC.<\/strong><br \/><strong>Prototipo<\/strong> <strong>inicial de andamio de hidrogel fabricado con una impresora 3D<\/strong><\/figcaption><\/figure><\/div>\n\n\n\n<p>Un equipo que ha contado con la participaci\u00f3n de investigadores del Consejo Superior de Investigaciones Cient\u00edficas -CSIC- <strong>ha dise\u00f1ado unos nuevos hidrogeles que permiten cultivar c\u00e9lulas T<\/strong>. Los tambi\u00e9n conocidos como<strong> linfocitos T<\/strong> son c<strong>\u00e9lulas del sistema inmunitario empleadas en inmunoterapia contra el c\u00e1ncer por su capacidad para destruir las c\u00e9lulas tumorales.<\/strong><\/p>\n\n\n\n<p><strong>Estos hidrogeles pueden imitar los ganglios linf\u00e1ticos, donde las c\u00e9lulas T se reproducen y, por ello, proporcionan altas tasas de proliferaci\u00f3n celular<\/strong>. Los cient\u00edficos esperan poder llevar pronto a los hospitales esta nueva tecnolog\u00eda, para la cual ya ha sido solicitada una patente ante la Oficina Europea de Patentes, y cuyos primeros detalles aparecen publicados esta semana en la revista <em>Biomaterials <\/em>en un art\u00edculo titulado <em>CL21-loaded hydrogels for T cell expansion and differentiation<\/em>.<\/p>\n\n\n\n<p>Los hidrogeles 3D est\u00e1n hechos de <strong>polietilenglicol <\/strong>-PEG-, un pol\u00edmero biocompatible usado ampliamente en biomedicina, y <strong>heparina<\/strong>, un agente anticoagulante. En este caso, el pol\u00edmero proporciona la estructura y las propiedades mec\u00e1nicas necesarias para que crezcan las c\u00e9lulas T, mientras que la heparina se utiliza para anclar distintas biomol\u00e9culas de inter\u00e9s, tales como la <strong>citoquina CCL21,<\/strong> una prote\u00edna presente en los ganglios linf\u00e1ticos y que tiene un papel principal en la migraci\u00f3n y proliferaci\u00f3n celulares. El equipo ya ha puesto en marcha un proyecto que tiene como objetivo la impresi\u00f3n 3D estos nuevos hidrogeles para acelerar as\u00ed su transferencia al mercado<\/p>\n\n\n\n<h3 class=\"has-text-color has-text-align-center wp-block-heading\" style=\"color:#a88935\"><strong>Terapia celular adoptiva<\/strong><\/h3>\n\n\n\n<p>La inmunoterapia contra el c\u00e1ncer se basa en utilizar y reforzar el sistema inmunitario de los paciente, para que reconozca y combata las c\u00e9lulas tumorales sin da\u00f1ar los tejidos sanos. Uno de los tratamientos posibles, la llamada <strong>terapia celular adoptiva,<\/strong> consiste en extraer las c\u00e9lulas T de los pacientes, modificarlas para que sean m\u00e1s activas, hacer numerosas copias y volverlas a inyectar a los pacientes.<\/p>\n\n\n\n<p>\u201cEsta terapia personalizada, aunque a\u00fan es muy novedosa, parece tener efectos m\u00e1s duraderos que las terapias oncol\u00f3gicas actuales, gracias a algunos linfocitos T que son capaces de conferir inmunidad con el tiempo\u201d, apunta una de las creadoras de esta tecnolog\u00eda, la investigadora<strong> Judith Guasch,<\/strong> del Instituto de Ciencia de Materiales de Barcelona (ICMAB-CSIC). \u201cSu aplicaci\u00f3n est\u00e1 limitada por los medios de cultivo celulares actuales, ya que no son suficientemente efectivos para la proliferaci\u00f3n y crecimiento de una cantidad relevante de c\u00e9lulas T terap\u00e9uticas en poco tiempo y de manera econ\u00f3micamente viable\u201d, a\u00f1ade Guasch.<\/p>\n\n\n\n<h3 class=\"has-text-color has-text-align-center wp-block-heading\" style=\"color:#bc911c\"><strong>Transferencia al mercado<\/strong><\/h3>\n\n\n\n<p>Para continuar el estudio y favorecer la transferencia de esta tecnolog\u00eda al mercado, las investigadoras Guasch y su compa\u00f1era <strong>Elisabeth Engel<\/strong>, catedr\u00e1tica de la Universidad Polit\u00e9cnica de Catalu\u00f1a (UPC) en el Instituto de Bioingenier\u00eda de Catalu\u00f1a (IBEC), han conseguido recientemente un proyecto de la Convocatoria de Proyectos de Transferencia y Valorizaci\u00f3n del Centro de Investigaci\u00f3n Biom\u00e9dica en Red \u2013 Bioingenier\u00eda, Biomateriales y Nanomedicina (CIBER-BBN) 2020, dirigida a la realizaci\u00f3n de proyectos para grupos CIBER-BBN con el inter\u00e9s y el apoyo de empresas.<\/p>\n\n\n\n<p><strong>El objetivo del proyecto es imprimir hidrogeles 3D de gran tama\u00f1o compatibles con biorreactores cl\u00ednicos, con el fin de expandir las c\u00e9lulas T de una manera m\u00e1s eficiente<\/strong>. Los investigadores desarrollar\u00e1n el prototipo en el laboratorio y har\u00e1n los primeros experimentos para la validaci\u00f3n en fase cl\u00ednica. En la actualidad, el proyecto busca colaboradores industriales, sobre todo empresas biom\u00e9dicas y farmac\u00e9uticas, e inversores interesados ??en crear una empresa spin off para que esta tecnolog\u00eda pueda estar disponible lo antes posible en los hospitales.<\/p>\n\n\n\n<p>FUENTE: <a href=\"http:\/\/www.nationalgeographic.com.es\"><strong>nationalgeographic<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Una nueva tecnolog\u00eda desarrollada con la participaci\u00f3n del CSIC permite imprimir hidrogeles que imitan a los [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":25536,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-25535","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - 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