{"id":104064,"date":"2023-02-07T15:24:26","date_gmt":"2023-02-07T14:24:26","guid":{"rendered":"https:\/\/ibecbarcelona.eu\/cancer-cells-move-to-rigid-environments-like-droplets\/"},"modified":"2023-02-14T10:09:14","modified_gmt":"2023-02-14T09:09:14","slug":"cancer-cells-move-to-rigid-environments-like-droplets","status":"publish","type":"post","link":"https:\/\/ibecbarcelona.eu\/ca\/les-cellules-canceroses-es-traslladen-a-entorns-rigids-com-si-fossin-gotes","title":{"rendered":"Les c\u00e8l\u00b7lules canceroses es traslladen a entorns r\u00edgids com si fossin gotes"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">Investigadors de l&#8217;Institut de Bioenginyeria de Catalunya (IBEC) i la Universitat de Barcelona (UB) han creat un nou marc te\u00f2ric i experimental que explica la durotaxi col\u00b7lectiva, un mecanisme de migraci\u00f3 cel\u00b7lular implicat en la progressi\u00f3 tumoral. Aquest nou marc els ha perm\u00e8s descobrir similituds entre gotes de l\u00edquid amb moviment actiu i grups de c\u00e8l\u00b7lules, mostrant que la tensi\u00f3 superficial ajuda les c\u00e8l\u00b7lules a migrar cap a entorns m\u00e9s r\u00edgids. Aquest descobriment, que contribueix a entendre com les c\u00e8l\u00b7lules canceroses es propaguen per teixits amb diferent rigidesa, podria tenir aplicacions en la curaci\u00f3 de ferides o en el control de la migraci\u00f3 de c\u00e8l\u00b7lules canceroses.\u00a0<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"211\" data-src=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2023\/02\/durotaxi_-1024x211.jpg\" alt=\"\" class=\"wp-image-104218 lazyload\" data-srcset=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2023\/02\/durotaxi_-1024x211.jpg 1024w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2023\/02\/durotaxi_-300x62.jpg 300w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2023\/02\/durotaxi_-768x158.jpg 768w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2023\/02\/durotaxi_.jpg 1200w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/211;\" \/><figcaption class=\"wp-element-caption\">Un grup de c\u00e8l\u00b7lules canceroses mullant superf\u00edcies de diferent rigidesa (cr\u00e8dit: Maci\u00e0 Pallar\u00e8s, Raimon Sunyer)&nbsp;<\/figcaption><\/figure>\n\n\n\n<p>Els cient\u00edfics han investigat durant molt de temps la teoria que el comportament de les c\u00e8l\u00b7lules, els blocs fonamentals del nostre cos, pot explicar-se a trav\u00e9s de la f\u00edsica de les gotes de fluids. Un recent estudi realitzat per cient\u00edfics de l&#8217;Institut de Bioenginyeria de Catalunya i la Universitat de Barcelona ha aportat nova informaci\u00f3 a aquest camp de recerca. Els resultats, publicats recentment a la revista <em>Nature Physics<\/em>, demostren que la f\u00edsica que descriu com una gota es mou i mulla activament una superf\u00edcie tamb\u00e9 pot explicar com els grups de c\u00e8l\u00b7lules canceroses migren d&#8217;entorns tous a m\u00e9s r\u00edgids. Aquest descobriment podria ajudar a comprendre com les c\u00e8l\u00b7lules canceroses es dispersen per l&#8217;organisme.&nbsp;<\/p>\n\n\n\n<p>Les c\u00e8l\u00b7lules es desplacen per l&#8217;organisme amb diferents prop\u00f2sits: per crear nous \u00f2rgans durant el desenvolupament embrionari, per perseguir pat\u00f2gens, i tamb\u00e9 per propagar tumors durant la met\u00e0stasi. Se sap que, per orientar-se, les c\u00e8l\u00b7lules poden detectar senyals mec\u00e0nics, com la rigidesa del seu entorn, i tamb\u00e9 que certes c\u00e8l\u00b7lules migren d&#8217;entorns m\u00e9s tous a m\u00e9s r\u00edgids, en un proc\u00e9s conegut com a <em>durotaxi<\/em>. La durotaxi \u00e9s m\u00e9s eficient quan es fa de manera col\u00b7lectiva, \u00e9s a dir, quan les c\u00e8l\u00b7lules es mouen en grup, per\u00f2 la f\u00edsica darrere de la durotaxi col\u00b7lectiva encara \u00e9s poc coneguda.&nbsp;<\/p>\n\n\n\n<p>Un equip de recerca coliderat per Xavier Trepat, professor de recerca ICREA a l&#8217;IBEC, en col\u00b7laboraci\u00f3 amb investigadors de la Universitat de Barcelona (UB), l&#8217;Institut Max Planck i el CIBER-BBN, van descobrir que, a mesura que el grup de c\u00e8l\u00b7lules canceroses migraven a superf\u00edcies m\u00e9s r\u00edgides, les c\u00e8l\u00b7lules primer s&#8217;acceleraven, per\u00f2 despr\u00e9s s&#8217;alentien, concloent que existeix una rigidesa \u00f2ptima en la qual les c\u00e8l\u00b7lules migren m\u00e9s r\u00e0pidament. &#8220;Tamb\u00e9 vam observar que els grups cel\u00b7lulars adoptaven diferents formes segons la rigidesa de la superf\u00edcie&#8221;, explica Maci\u00e0 Pallar\u00e8s, coautor de l&#8217;estudi durant el seu doctorat a l&#8217;IBEC.&nbsp;<\/p>\n\n\n\n<p>La majoria de les teories per comprendre aquest comportament no tenen en compte la forma tridimensional del grup de c\u00e8l\u00b7lules, per la qual cosa en aquest estudi es va realitzar un model 3D. Ateses les similituds en la forma i el comportament entre els grups de c\u00e8l\u00b7lules i les gotes vives, l&#8217;equip va desenvolupar una teoria dels grups de c\u00e8l\u00b7lules com gotes vives que poden propagar-se i moure&#8217;s sobre les superf\u00edcies. &#8220;Fent servir la f\u00edsica de la tensi\u00f3 superficial, que \u00e9s la for\u00e7a que fa que les gotes d&#8217;aigua siguin esf\u00e8riques, vam poder explicar les formes i el moviment dels grups de c\u00e8l\u00b7lules&#8221;, comenta Irina Pi <s>&#8211;<\/s>Jaum\u00e0, coautora de l&#8217;estudi i investigadora al departament de F\u00edsica de la Mat\u00e8ria Condensada de la Universitat de Barcelona, qui va participar en el desenvolupament de la teoria.&nbsp;<\/p>\n\n\n\n<p>Aquesta troballa mostra que la f\u00edsica del mullat, quan es generalitza en l\u00edquids vius, proporciona una forma de comprendre la migraci\u00f3 cel\u00b7lular sense necessitat de tenir en compte les complexitats de la comunicaci\u00f3 c\u00e8l\u00b7lula-c\u00e8l\u00b7lula.&nbsp;&nbsp;<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&#8220;El que proposem \u00e9s que aquest proc\u00e9s, la durotaxi, que es va definir en el camp de la biologia cel\u00b7lular, es pugui explicar de forma for\u00e7a precisa amb la f\u00edsica del mullat&#8221;, afirma Xavier Trepat, investigador ICREA a l&#8217;IBEC.&nbsp;<\/p>\n<\/blockquote>\n\n\n\n<p>Les troballes d&#8217;aquest estudi tenen el potencial de conduir a nous tractaments i ter\u00e0pies per a pacients amb c\u00e0ncer, en proporcionar una millor comprensi\u00f3 de com migren i es propaguen les c\u00e8l\u00b7lules canceroses.&nbsp;<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Article referenciat:<\/strong>&nbsp;<\/p>\n\n\n\n<p>Esteve Pallar\u00e8s, M., Pi-Jaum\u00e0, I., Corina Fortunato, I., Grazu, V., G\u00f3mez-Gonz\u00e1lez, M., Roca-Cusachs, P., de la Fuente, J.M., Alert, R., Sunyer, R., Casademunt, J., &amp; Trepat, X. <a href=\"https:\/\/www.nature.com\/articles\/s41567-022-01835-1\">Stiffness-dependent active wetting enables optimal collective cell durotaxis. <\/a>Nature Physics (2022). DOI: 10.1038\/s41567-022-01835-1&nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Investigadors de l&#8217;Institut de Bioenginyeria de Catalunya (IBEC) i la Universitat de Barcelona (UB) han creat un nou marc te\u00f2ric i experimental que explica la durotaxi col\u00b7lectiva, un mecanisme de &#8230; <a title=\"Les c\u00e8l\u00b7lules canceroses es traslladen a entorns r\u00edgids com si fossin gotes\" class=\"read-more\" href=\"https:\/\/ibecbarcelona.eu\/ca\/les-cellules-canceroses-es-traslladen-a-entorns-rigids-com-si-fossin-gotes\" aria-label=\"More on Les c\u00e8l\u00b7lules canceroses es traslladen a entorns r\u00edgids com si fossin gotes\">Read more<\/a><\/p>\n","protected":false},"author":4,"featured_media":104059,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96],"tags":[1930,1842,526,1143],"post_formats":[],"class_list":["post-104064","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticies-de-recerca","tag-durotaxi","tag-integrative-cell-and-tissue-dynamics-ca","tag-mecanobiologia-ca","tag-xavier-trepat-ca"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les c\u00e8l\u00b7lules canceroses es traslladen a entorns r\u00edgids com si fossin gotes - 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\/ca\/les-cellules-canceroses-es-traslladen-a-entorns-rigids-com-si-fossin-gotes\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les c\u00e8l\u00b7lules canceroses es traslladen a entorns r\u00edgids com si fossin gotes - Institute for Bioengineering of Catalonia\" \/>\n<meta property=\"og:description\" content=\"Investigadors de l&#8217;Institut de Bioenginyeria de Catalunya (IBEC) i la Universitat de Barcelona (UB) han creat un nou marc te\u00f2ric i experimental que explica la durotaxi col\u00b7lectiva, un mecanisme de ... 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