
{"id":86111,"date":"2021-07-14T12:04:01","date_gmt":"2021-07-14T10:04:01","guid":{"rendered":"https:\/\/ibecbarcelona.eu\/?p=86111"},"modified":"2021-07-14T12:25:04","modified_gmt":"2021-07-14T10:25:04","slug":"el-tira-y-afloja-celular-clave-en-la-respuesta-del-organismo-en-procesos-como-el-cancer","status":"publish","type":"post","link":"https:\/\/ibecbarcelona.eu\/es\/el-tira-y-afloja-celular-clave-en-la-respuesta-del-organismo-en-procesos-como-el-cancer\/","title":{"rendered":"El tira y afloja celular, clave en la respuesta del organismo en procesos como el c\u00e1ncer"},"content":{"rendered":"<p><span class=\"TextRun SCXW32753713 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">Desde las cuerdas vocales que producen nuestra voz, a los latidos del coraz\u00f3n, l<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">as c\u00e9lulas de nuestro cuerpo est\u00e1n constantemente sometidas a fuerzas mec\u00e1nicas<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">que cambian constantemente<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">s<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">u respuesta a estos est\u00edmulos<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">,<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0regula<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">n<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">do<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0procesos esenciales, tanto en individuos sanos<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">,<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0como en condiciones de enfermedad<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0como el c\u00e1ncer<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">.\u00a0<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">Sin embargo, y\u00a0<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">pes<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">e<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">a\u00a0<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">su importancia,\u00a0<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">seguimos\u00a0<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">desconociendo en gran medida<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0c\u00f3mo las c\u00e9lulas perciben y responden a\u00a0<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">estas\u00a0<\/span><span class=\"NormalTextRun SCXW32753713 BCX8\" data-ccp-parastyle=\"No Spacing\">fuerzas.<\/span><\/span><span class=\"EOP SCXW32753713 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<figure id=\"attachment_86075\" aria-describedby=\"caption-attachment-86075\" style=\"width: 380px\" class=\"wp-caption alignleft\"><img decoding=\"async\" class=\"wp-image-86075 lazyload\" data-src=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/07\/Isaac_Almendros-y-Pere_Roca-Cusachs-scaled.jpg\" alt=\"\" width=\"390\" height=\"335\" data-srcset=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/07\/Isaac_Almendros-y-Pere_Roca-Cusachs-scaled.jpg 2560w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/07\/Isaac_Almendros-y-Pere_Roca-Cusachs-300x257.jpg 300w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/07\/Isaac_Almendros-y-Pere_Roca-Cusachs-1024x878.jpg 1024w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/07\/Isaac_Almendros-y-Pere_Roca-Cusachs-768x658.jpg 768w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/07\/Isaac_Almendros-y-Pere_Roca-Cusachs-1536x1316.jpg 1536w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/07\/Isaac_Almendros-y-Pere_Roca-Cusachs-2048x1755.jpg 2048w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/07\/Isaac_Almendros-y-Pere_Roca-Cusachs-150x129.jpg 150w\" data-sizes=\"(max-width: 390px) 100vw, 390px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 390px; --smush-placeholder-aspect-ratio: 390\/335;\" \/><figcaption id=\"caption-attachment-86075\" class=\"wp-caption-text\">Imagen 1:Isaac Almendros y Pere Roca-Cusachs\u00a0(de izquierda a derecha), l\u00edderes de la investigaci\u00f3n.<\/figcaption><\/figure>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\"><span class=\"TextRun SCXW34806296 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">Ahora, un equipo internacional\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2 SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">co<\/span><span class=\"NormalTextRun SpellingErrorV2 SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">liderado<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0por los investigadores Pere Roca-<\/span><span class=\"NormalTextRun SpellingErrorV2 SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">Cusachs<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">, del\u00a0<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">Instituto de Bioingenier\u00eda de Catalu\u00f1a (IBEC)<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">, e Isaac Almendros,\u00a0<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">investigador del CIBER de Enfermedades Respiratorias (CIBERES) y\u00a0<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">del IDI<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">B<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">A<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">P<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">S, ambos profesores de la\u00a0<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">F<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">acultad de\u00a0<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">M<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">edicina\u00a0<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">y Ciencia<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">s<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0de la Salud\u00a0<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">de la\u00a0<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">U<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">niversi<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">d<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">ad de\u00a0<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">B<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">arcelona<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">, acaba de demostrar que lo que determina la sensibilidad mec\u00e1nica en las c\u00e9lulas es\u00a0<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">el ritmo<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\"> de aplicaci\u00f3n de la fuerza, es decir, cuan r\u00e1pido esa fuerza se aplica. El trabajo se ha publicado en la prestigiosa revista <\/span><\/span><span class=\"TextRun SCXW34806296 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SpellingErrorV2 SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">Nature<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2 SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">Communications<\/span><\/span><span class=\"TextRun SCXW34806296 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0y demuestra<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">,<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0por primera vez\u00a0<\/span><\/span><span class=\"TextRun SCXW34806296 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">in vivo<\/span><\/span><span class=\"TextRun SCXW34806296 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">,<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0las predicciones del modelo\u00a0<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">conocido como \u201cmolecular\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2 SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">clutch<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">\u201d, o \u201cembrague molecular<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">\u201d<\/span><span class=\"NormalTextRun SCXW34806296 BCX8\" data-ccp-parastyle=\"No Spacing\">.<\/span><\/span><span class=\"EOP SCXW34806296 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><br \/>\n<\/span><span class=\"TextRun SCXW124146503 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">Estos resultados<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0ayudar\u00e1n<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">,<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">por ejemplo,\u00a0<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">a entender mejor c\u00f3mo<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0prolifera\u00a0<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">un tumor<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0canceroso<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">,<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0pero\u00a0<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">tambi\u00e9n a<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0comprender como responde<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0el\u00a0<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">coraz\u00f3n,<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0las<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0cuerdas vocales o\u00a0<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">el\u00a0<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">sistema respiratorio<\/span><span class=\"NormalTextRun SCXW124146503 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0a la constante variaci\u00f3n de fuerzas a la que se exponen continuamente.\u00a0<\/span><\/span><span class=\"EOP SCXW124146503 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<h2><strong><span class=\"TextRun SCXW183763732 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW183763732 BCX8\" data-ccp-parastyle=\"No Spacing\">Un constante \u201ctira y afloja\u201d celular<\/span><\/span><span class=\"EOP SCXW183763732 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/strong><\/h2>\n<p><span data-contrast=\"auto\">Los investigadores\u00a0observaron\u00a0que hay\u00a0dos respuestas\u00a0a la fuerza aplicada sobre una c\u00e9lula,\u00a0utilizando\u00a0t\u00e9cnicas punteras como\u00a0la\u00a0microscop\u00eda\u00a0de fuerza at\u00f3mica (AFM) o las llamadas \u201cpinzas \u00f3pticas\u201d.\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Por un lado, el citoesqueleto, el denso entramado\u00a0de fibras\u00a0(principalmente actina), que tiene, entre otras, la\u00a0funci\u00f3n de mantener la forma y estructura de la\u00a0c\u00e9lula,\u00a0se refuerza cuando\u00a0esta\u00a0es sometida a\u00a0una\u00a0fuerza\u00a0a un ritmo moderado.\u00a0En este contexto,\u00a0la c\u00e9lula es capaz de sentir y responder a la\u00a0fuerza mec\u00e1nica, y el\u00a0refuerzo del citoesqueleto lleva a un endurecimiento de la c\u00e9lula, y\u00a0a la localizaci\u00f3n de\u00a0la prote\u00edna YAP en el n\u00facleo.\u00a0Cuando esto ocurre, la prote\u00edna YAP controla y activa\u00a0genes relacionados con el desarrollo del c\u00e1ncer.\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Por otro lado,\u00a0si\u00a0el ritmo de aplicaci\u00f3n de fuerza\u00a0sigue\u00a0aumentando\u00a0por encima de un determinado valor,\u00a0se produce un efecto contrario\u00a0y la c\u00e9lula deja de percibir las fuerzas mec\u00e1nicas. Es decir, en vez de que\u00a0el citoesqueleto y la c\u00e9lula\u00a0sigan\u00a0aumentando su rigidez,\u00a0hay\u00a0una\u00a0ruptura parcial del citoesqueleto que lleva a un ablandamiento de la c\u00e9lula.\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<blockquote><p><strong><span class=\"NormalTextRun SCXW215778651 BCX8\" data-ccp-parastyle=\"No Spacing\">Como quien estira y encoje un chicle, hemos sometido las c\u00e9lulas a diferentes\u00a0<\/span><span class=\"NormalTextRun SCXW215778651 BCX8\" data-ccp-parastyle=\"No Spacing\">fuerzas de<\/span><span class=\"NormalTextRun SCXW215778651 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0forma controlada y precisa, y hemos visto que\u00a0<\/span><span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2 SCXW215778651 BCX8\" data-ccp-parastyle=\"No Spacing\">el\u00a0<\/span><span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2 SCXW215778651 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0ritmo<\/span><span class=\"NormalTextRun SCXW215778651 BCX8\" data-ccp-parastyle=\"No Spacing\"> con el que se aplica la fuerza es crucial para determinar la respuesta celular.<\/span><\/strong><\/p>\n<p style=\"text-align: right;\"><span class=\"TextRun SCXW238663425 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><strong><span class=\"NormalTextRun SCXW238663425 BCX8\" data-ccp-parastyle=\"No Spacing\">Ion Andreu (IBEC),\u00a0<\/span><span class=\"NormalTextRun SCXW238663425 BCX8\" data-ccp-parastyle=\"No Spacing\">coautor principal<\/span><\/strong><span class=\"NormalTextRun SCXW238663425 BCX8\" data-ccp-parastyle=\"No Spacing\"><strong> del estudio<\/strong><\/span><\/span><\/p>\n<\/blockquote>\n<h2><strong><span class=\"TextRun SCXW126568424 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW126568424 BCX8\" data-ccp-parastyle=\"No Spacing\">Un modelo corroborado con experimentos<em>\u00a0<\/em><\/span><\/span><em><span class=\"TextRun SCXW126568424 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW126568424 BCX8\" data-ccp-parastyle=\"No Spacing\">in vivo<\/span><\/span><span class=\"EOP SCXW126568424 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/em><\/strong><\/h2>\n<p><span class=\"TextRun SCXW33610887 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">Para\u00a0<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">entender c\u00f3mo se relacionan los efectos de refuerzo y ablandamiento del citoesqueleto, los investigadores desarrolla<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">ron<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0un modelo computacional<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0que<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0considera\u00a0<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">el efecto de\u00a0<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">la aplicaci\u00f3n progresiva\u00a0<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">de\u00a0<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">fuerza sobre\u00a0<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">el\u00a0<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">citoesqueleto<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0y los \u201cenganches\u201d<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">(<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">prote\u00ednas que participan en la uni\u00f3n de la c\u00e9lula al sustrato, como la\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2 SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">talina<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0y la integrina<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">).<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">Estos \u201cenganches\u201d son de alguna forma an\u00e1logos\u00a0<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">al efecto que tiene un embrague de coche de ajustar la conexi\u00f3n mec\u00e1nica entre el motor y las ruedas, y por ello el modelo se denomi<\/span><span class=\"NormalTextRun SCXW33610887 BCX8\" data-ccp-parastyle=\"No Spacing\">na \u201cembrague molecular\u201d.\u00a0<\/span><\/span><span class=\"EOP SCXW33610887 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<figure id=\"attachment_86078\" aria-describedby=\"caption-attachment-86078\" style=\"width: 414px\" class=\"wp-caption alignleft\"><img decoding=\"async\" class=\"wp-image-86078 lazyload\" data-src=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/07\/pulmon.jpg\" alt=\"\" width=\"424\" height=\"334\" data-srcset=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/07\/pulmon.jpg 1079w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/07\/pulmon-300x236.jpg 300w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/07\/pulmon-1024x807.jpg 1024w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/07\/pulmon-768x605.jpg 768w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/07\/pulmon-150x118.jpg 150w\" data-sizes=\"(max-width: 424px) 100vw, 424px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 424px; --smush-placeholder-aspect-ratio: 424\/334;\" \/><figcaption id=\"caption-attachment-86078\" class=\"wp-caption-text\">Imagen 2.Pulm\u00f3n de rata respondiendo a la ventilaci\u00f3n con tinci\u00f3n de la prote\u00edna\u202fYAP.<\/figcaption><\/figure>\n<p><span class=\"EOP SCXW268095753 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\"><span class=\"TextRun SCXW31953570 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">Posteriormente<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">, los cient\u00edficos\u00a0<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">realiza<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">ron<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0experimentos con\u00a0<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">rat<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">a<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">s<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0de laboratorio<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0p<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">ara comprobar que los resultados observados en c\u00e9lulas individuales tambi\u00e9n ocurren a nivel de \u00f3rganos enteros\u00a0<\/span><\/span><span class=\"TextRun SCXW31953570 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">in vivo<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">.<\/span><\/span><span class=\"TextRun SCXW31953570 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">Para ello, los investigadores se fijaron en los pulmones<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">, que de forma natural experimentan estiramientos mec\u00e1nicos c\u00edclicos durante la respiraci\u00f3n.<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0Concretamente, se ventilaron a ritmos distintos los dos pulmones<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">,\u00a0<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">de forma que un<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0pulm\u00f3n<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0se llenaba y vaciaba m\u00e1s r\u00e1pido (hiperventilaci\u00f3n) y el otro m\u00e1s\u00a0<\/span><span class=\"NormalTextRun SCXW31953570 BCX8\" data-ccp-parastyle=\"No Spacing\">despacio, aunque manteniendo una tasa total de ventilaci\u00f3n normal.\u00a0<\/span><\/span><span class=\"EOP SCXW31953570 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><br \/>\n<\/span><span class=\"TextRun SCXW121004846 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">Tras analizar y comparar<\/span><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0las c\u00e9lulas de ambos pulmones<\/span><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">,<\/span><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0<\/span><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">observaron\u00a0<\/span><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">que\u00a0<\/span><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">la prote\u00edna YAP aument<\/span><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">aba<\/span><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0su localizaci\u00f3n nuclear<\/span><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0solamente<\/span><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0en las c\u00e9lulas del pulm\u00f3n sometido a una hiperventilaci\u00f3n.<strong>\u00a0<\/strong><\/span><\/span><strong><span class=\"TextRun SCXW121004846 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">Ese aumento de YAP\u00a0<\/span><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">en muestras vivas<\/span><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">,<\/span><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0causado por el \u201ctira y afloja celular\u201d,\u00a0<\/span><span class=\"NormalTextRun SCXW121004846 BCX8\" data-ccp-parastyle=\"No Spacing\">era an\u00e1logo al que se encuentra en tumores cancer\u00edgenos en proliferaci\u00f3n.<\/span><\/span><span class=\"EOP SCXW121004846 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/strong><\/p>\n<blockquote><p><strong><span lang=\"CA-ES\" xml:lang=\"CA-ES\" data-contrast=\"auto\">Nuestros resultados demuestran, a nivel de \u00f3rgano, el papel del ritmo de aplicaci\u00f3n de la fuerza en\u00a0\u00a0la transducci\u00f3n de la se\u00f1al mec\u00e1nica inducida por ventilaci\u00f3n en los pulmones.<\/span><\/strong><\/p>\n<p style=\"text-align: right;\"><strong>Bryan Falcones (IBEC-UB),\u00a0coautor principal\u00a0del estudio<\/strong><\/p>\n<\/blockquote>\n<p><span class=\"TextRun SCXW267742022 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW267742022 BCX8\" data-ccp-parastyle=\"No Spacing\">E<\/span><span class=\"NormalTextRun SCXW267742022 BCX8\" data-ccp-parastyle=\"No Spacing\">l<\/span><span class=\"NormalTextRun SCXW267742022 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0trabajo describe un mecanismo por el cual las c\u00e9lulas responden no solamente a fuerzas directas,\u00a0<\/span><span class=\"NormalTextRun SCXW267742022 BCX8\" data-ccp-parastyle=\"No Spacing\">sino<\/span><span class=\"NormalTextRun SCXW267742022 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0tambi\u00e9n a otros est\u00edmulos mec\u00e1nicos pasivos<\/span><span class=\"NormalTextRun SCXW267742022 BCX8\" data-ccp-parastyle=\"No Spacing\">,<\/span><span class=\"NormalTextRun SCXW267742022 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0como la rigidez del sustrato en que se encuentran. Los resultados abren la puerta a entender como fen\u00f3menos\u00a0<\/span><\/span><span class=\"TextRun SCXW267742022 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW267742022 BCX8\" data-ccp-parastyle=\"No Spacing\">a priori<\/span><\/span><span class=\"TextRun SCXW267742022 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW267742022 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0opuestos, como el refuerzo y el ablandamiento del citoesqueleto, pueden ir de la mano para controlar la mec\u00e1nica de la c\u00e9lula y responder espec\u00edficamente a diferentes situaciones.<\/span><span class=\"NormalTextRun SCXW267742022 BCX8\" data-ccp-parastyle=\"No Spacing\">\u00a0<\/span><\/span><span class=\"EOP SCXW267742022 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<hr \/>\n<hr \/>\n<p><strong><span class=\"TextRun SCXW180115350 BCX8\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW180115350 BCX8\" data-ccp-parastyle=\"No Spacing\">Art\u00edculo de referencia:\u00a0<\/span><\/span><span class=\"EOP SCXW180115350 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/strong><\/p>\n<p><span data-contrast=\"auto\">Ion Andreu, Bryan\u00a0Falcones, Sebastian Hurst,\u00a0Nimesh\u00a0Chahare,\u00a0Xarxa\u00a0Quiroga, Anabel-Lise Le Roux,\u00a0Zanetta\u00a0Kechagia, Amy E. M. Beedle, Alberto\u00a0El\u00f3segui-Artola, Xavier Trepat, Ramon\u00a0Farr\u00e9, Timo Betz, Isaac Almendros &amp; Pere Roca-Cusachs.\u00a0<\/span><strong>The force loading rate drives cell\u00a0mechanosensing\u00a0through both reinforcement and\u00a0cytoskeletal softening<\/strong><span data-contrast=\"auto\"><strong>.<\/strong> Nature Communications, 2021.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<h3>Investigadores liderados por Pere Roca-Cusachs en el Instituto de Bioingenier\u00eda de Catalu\u00f1a (IBEC) descubren como la din\u00e1mica de fuerzas afecta a c\u00e9lulas, y a los tejidos vivos. Los resultados ayudan a entender los procesos mec\u00e1nicos cruciales que se llevan a cabo en diferentes enfermedades como el c\u00e1ncer. <\/h3>\n","protected":false},"author":4,"featured_media":86100,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[97],"tags":[1523,1135],"post_formats":[],"class_list":["post-86111","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias-de-investigacion","tag-ciber-es","tag-pere-roca-cusachs-es"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>El tira y afloja celular, clave en la respuesta del organismo en procesos como el c\u00e1ncer - 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\/el-tira-y-afloja-celular-clave-en-la-respuesta-del-organismo-en-procesos-como-el-cancer\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"El tira y afloja celular, clave en la respuesta del organismo en procesos como el c\u00e1ncer - Institute for Bioengineering of Catalonia\" \/>\n<meta property=\"og:description\" content=\"Investigadores liderados por Pere Roca-Cusachs en el Instituto de Bioingenier\u00eda de Catalu\u00f1a (IBEC) descubren como la din\u00e1mica de fuerzas afecta a c\u00e9lulas, y a los tejidos vivos. 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