
{"id":74868,"date":"2020-06-05T09:15:00","date_gmt":"2020-06-05T07:15:00","guid":{"rendered":"http:\/\/ibecbarcelona.eu\/?p=74868"},"modified":"2020-06-15T11:17:05","modified_gmt":"2020-06-15T09:17:05","slug":"com-es-mesura-lestres-mecanic-en-teixits-vius","status":"publish","type":"post","link":"https:\/\/ibecbarcelona.eu\/ca\/com-es-mesura-lestres-mecanic-en-teixits-vius\/","title":{"rendered":"Com es mesura l&#8217;estr\u00e8s mec\u00e0nic en teixits vius?"},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignleft wp-image-74864 lazyload\" data-src=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2020\/06\/Trepat-Nature.jpg\" alt=\"\" width=\"500\" height=\"340\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 500px; --smush-placeholder-aspect-ratio: 500\/340;\" \/>Per exemple, l&#8217;epiteli intestinal es renova cada 3-5 dies a trav\u00e9s de funcions mec\u00e0niques com la divisi\u00f3, la migraci\u00f3 i l&#8217;extrusi\u00f3. I la guarici\u00f3 de ferides dep\u00e8n, en gran part, de la capacitat tissular de generar un estr\u00e8s mec\u00e0nic que permeti la migraci\u00f3 cel\u00b7lular per reparar danys.<\/p>\n<p>De fet, quan es produeixen anomalies en aquest proc\u00e9s, es poden originar malalties musculars o, fins i tot, c\u00e0ncer. Per tant, respondre de forma \u00f2ptima davant l&#8217;estr\u00e8s mec\u00e0nic \u00e9s fonamental per a qualsevol teixit. Un grup d&#8217;investigadors de l&#8217;IBEC ha examinat i revisat els diferents tipus d&#8217;eines que existeixen a dia d&#8217;avui per mesurar l&#8217;estr\u00e8s mec\u00e0nic en teixits tant a resoluci\u00f3 cel\u00b7lular com subcel\u00b7lular. En el seu article, publicat a la revista <a href=\"https:\/\/www.nature.com\/articles\/s42254-020-0184-6\" target=\"_blank\" rel=\"noopener noreferrer\">Nature Reviews Physics<\/a>, els experts del grup \u201c<a href=\"https:\/\/ibecbarcelona.eu\/es\/integrative\/\" target=\"_blank\" rel=\"noopener noreferrer\">Integrative Cell and Tissue Dynamics<\/a>\u201d de l\u2019BEC, liderats pel professor d\u2019investigaci\u00f3 ICREA Xavier Trepat, discuteixen els avantatges i desavantatges de cada t\u00e8cnica i proposen l&#8217;optimitzaci\u00f3 del seu \u00fas tenint en compte aquestes fortaleses i debilitats.<\/p>\n<p>D&#8217;una banda, s&#8217;ha descrit amb detall el funcionament de t\u00e8cniques aplicables a cultius cel\u00b7lulars 2D, com la microsc\u00f2pia de for\u00e7a de tracci\u00f3 (TFM), les matrius micropilars, la microsc\u00f2pia d&#8217;estr\u00e8s en monocapa (MSM) i les monocapes suspeses. D\u2019altra banda, s&#8217;han examinat les t\u00e8cniques per mesurar l&#8217;estr\u00e8s mec\u00e0nic en cultius cel\u00b7lulars 3D. En concret, la microsc\u00f2pia de for\u00e7a de tracci\u00f3 2.5D i 3D (2.5 TFM i 3D TFM) i el test de c\u00fapules. I, finalment, s&#8217;han avaluat m\u00e8todes de mesurament in vivo, com els man\u00f2metres, les inclusions, els sensors de tensi\u00f3 FRET, l&#8217;ablaci\u00f3 per l\u00e0ser i els m\u00e8todes d&#8217;infer\u00e8ncia de for\u00e7a.<\/p>\n<p>La realitat \u00e9s que cada t\u00e8cnica duu a terme un tipus de mesura concreta i t\u00e9 limitacions pr\u00f2pies. Aquesta comparativa exhaustiva resulta fonamental per elaborar protocols espec\u00edfics que permetin comprendre millor els processos f\u00edsics relacionats amb la fisiologia i el seu paper tant en el desenvolupament, com en l&#8217;home\u00f2stasi i la malaltia en els teixits.<\/p>\n<blockquote><p><strong>Respondre de forma \u00f2ptima davant l&#8217;estr\u00e8s mec\u00e0nic \u00e9s fonamental per a qualsevol teixit. Experts de l\u2019IBEC examinen a Nature Review Physics els diferents tipus d&#8217;eines que existeixen per mesurar l&#8217;estr\u00e8s mec\u00e0nic en teixits, tant a resoluci\u00f3 cel\u00b7lular com subcel\u00b7lular.<\/strong><\/p><\/blockquote>\n<hr \/>\n<p><strong>Article de refer\u00e8ncia<\/strong>: Manuel G\u00f3mez-Gonz\u00e1lez, Ernest Latorre, Marino Arroyo y Xavier Trepat. <a href=\"https:\/\/www.nature.com\/articles\/s42254-020-0184-6\" target=\"_blank\" rel=\"noopener noreferrer\">Measuring mechanical stress in living tissues<\/a>. Nature Reviews Physics. 2,\u202fpages300\u2013317(2020).<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<h3>Un equip d&#8217;experts de l&#8217;Institut de Bioenginyeria de Catalunya (IBEC) publica a la revista Nature Reviews Physics una revisi\u00f3 detallada de les diferents t\u00e8cniques que s&#8217;utilitzen per calcular l&#8217;estr\u00e8s mec\u00e0nic en teixits, tant en cultius cel\u00b7lulars, com in vivo. Determinar aquests mecanismes d&#8217;estr\u00e8s mec\u00e0nic \u00e9s clau per estudiar els processos vinculats a la morfog\u00e8nesi, l&#8217;home\u00f2stasi i a malalties com el c\u00e0ncer. <\/h3>\n<p>Els teixits vius s\u00f3n materials que, per funcionar adequadament, necessiten moure\u2019s, dividir-se, remodelar-se i percebre el seu microambient en tot moment. \u00c9s a dir, necessiten suportar cert estr\u00e8s mec\u00e0nic derivat del contacte.<\/p>\n","protected":false},"author":4,"featured_media":74864,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96],"tags":[1143],"post_formats":[],"class_list":["post-74868","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticies-de-recerca","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>Com es mesura l&#039;estr\u00e8s mec\u00e0nic en teixits vius? - 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\/com-es-mesura-lestres-mecanic-en-teixits-vius\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Com es mesura l&#039;estr\u00e8s mec\u00e0nic en teixits vius? - Institute for Bioengineering of Catalonia\" \/>\n<meta property=\"og:description\" content=\"Un equip d&#039;experts de l&#039;Institut de Bioenginyeria de Catalunya (IBEC) publica a la revista Nature Reviews Physics una revisi\u00f3 detallada de les diferents t\u00e8cniques que s&#039;utilitzen per calcular l&#039;estr\u00e8s mec\u00e0nic en teixits, tant en cultius cel\u00b7lulars, com in vivo. 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Els teixits vius s\u00f3n materials que, per funcionar adequadament, necessiten moure\u2019s, dividir-se, remodelar-se i percebre el seu microambient en tot moment. \u00c9s a dir, necessiten suportar cert estr\u00e8s mec\u00e0nic derivat del contacte.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ibecbarcelona.eu\/ca\/com-es-mesura-lestres-mecanic-en-teixits-vius\/\" \/>\n<meta property=\"og:site_name\" content=\"Institute for Bioengineering of Catalonia\" \/>\n<meta property=\"article:published_time\" content=\"2020-06-05T07:15:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-06-15T09:17:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2020\/06\/Trepat-Nature-e1591342104637.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"340\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u00c0ngels L\u00f3pez\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrit per\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u00c0ngels L\u00f3pez\" \/>\n\t<meta name=\"twitter:label2\" content=\"Temps estimat de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuts\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/com-es-mesura-lestres-mecanic-en-teixits-vius\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/com-es-mesura-lestres-mecanic-en-teixits-vius\\\/\"},\"author\":{\"name\":\"\u00c0ngels L\u00f3pez\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/#\\\/schema\\\/person\\\/c212c6b589546130be67986b9290e2b8\"},\"headline\":\"Com es mesura l&#8217;estr\u00e8s mec\u00e0nic en teixits vius?\",\"datePublished\":\"2020-06-05T07:15:00+00:00\",\"dateModified\":\"2020-06-15T09:17:05+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/com-es-mesura-lestres-mecanic-en-teixits-vius\\\/\"},\"wordCount\":438,\"publisher\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/com-es-mesura-lestres-mecanic-en-teixits-vius\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ibecbarcelona.eu\\\/wp-content\\\/uploads\\\/2020\\\/06\\\/Trepat-Nature-e1591342104637.jpg\",\"keywords\":[\"Xavier Trepat\"],\"articleSection\":[\"Not\u00edcies de recerca\"],\"inLanguage\":\"ca\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/com-es-mesura-lestres-mecanic-en-teixits-vius\\\/\",\"url\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/com-es-mesura-lestres-mecanic-en-teixits-vius\\\/\",\"name\":\"Com es mesura l'estr\u00e8s mec\u00e0nic en teixits vius? 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