{"id":3718,"date":"2021-04-13T19:00:00","date_gmt":"2021-04-14T01:00:00","guid":{"rendered":"https:\/\/26television.com\/?p=3718"},"modified":"2021-04-13T02:49:53","modified_gmt":"2021-04-13T08:49:53","slug":"los-pelirrojos-soportan-mejor-el-dolor","status":"publish","type":"post","link":"https:\/\/26television.com\/?p=3718","title":{"rendered":"Los pelirrojos soportan mejor el dolor"},"content":{"rendered":"\n<p>Un equipo de investigadores del Hospital General de Massachusetts (Estados Unidos) ha descubierto que<strong>??las personas pelirrojas tienen una tolerancia al dolor naturalmente alta, debido a un mecanismo que aumenta su susceptibilidad a las quemaduras solares;<\/strong>??esto es, presentan una mayor actividad de los receptores opioides involucrados en el bloqueo del??dolor??y a la disminuci??n en la producci??n de un tipo de hormonas relacionadas precisamente con la??sensibilidad.<\/p>\n\n\n\n<p>As??, los??pelirrojos??-que presentan una??mutaci??n gen??tica??en el receptor melanocortina 1 que les impide producir un pigmento oscuro para broncearse y por tanto, hace que su piel sea p??lida y pr??cticamente imposible de broncearse- soportan mejor el dolor que los morenos o??rubios??<strong>debido a los melanocitos,<\/strong>??que han resultado ser fundamentales para decidir el umbral de dolor de una persona.<\/p>\n\n\n\n<p><strong>El resultado final es que los pelirrojos producen m??s se??ales de opioides que las personas con otros colores de cabello y, por lo tanto, tienen un umbral de dolor m??s elevado.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Experimento<\/h2>\n\n\n\n<p>Para investigar los mecanismos detr??s de los diferentes umbrales de dolor en individuos pelirrojos, los investigadores<strong>&nbsp;estudiaron una cepa de ratones pelirrojos que (como en los humanos) contiene una variante que carece de la funci??n del receptor de melanocortina 1 y tambi??n exhibe umbrales de dolor m??s altos.<\/strong>&nbsp;Descubrieron que la p??rdida de la funci??n del receptor de melanocortina 1 en los ratones pelirrojos hizo que los melanocitos de los animales secretaran niveles m??s bajos de&nbsp;<strong>una mol??cula llamada POMC<\/strong>&nbsp;(proopiomelanocortina) que posteriormente se corta en diferentes hormonas, incluida una que sensibiliza al dolor y otra que bloquea dolor.&nbsp;<strong>La presencia de estas hormonas mantiene un equilibrio entre los receptores opioides que inhiben el dolor y los receptores de melanocortina 4 que mejoran la percepci??n del dolor.<\/strong><\/p>\n\n\n\n<p><strong>&#8220;Estos hallazgos describen la base mecanicista detr??s de la evidencia anterior que sugiere umbrales de dolor variados en diferentes antecedentes de pigmentaci??n&#8221;<\/strong>, comenta David E. Fisher en su estudio publicado en la revista&nbsp;<em>Science Advances<\/em>. &#8220;La comprensi??n de este mecanismo proporciona la validaci??n de esta evidencia anterior y un reconocimiento valioso para el personal m??dico cuando atiende a pacientes cuya sensibilidad al dolor puede variar&#8221;.<\/p>\n\n\n\n<p><br>Aunque ya se sab??a que los seres humanos, los ratones y ejemplares de otras especies animales con pelo carmes?? o cobrizo tienen una??tolerancia??diferente al dolor, estos hallazgos permiten ahora conocer los procesos y mecanismos que subyacen a la presencia de variados umbrales de dolor seg??n sus antecedentes de pigmentaci??n.??<strong>Esto podr??a derivar en el desarrollo de nuevos f??rmacos que inhiban los receptores de melanocortina 4 involucrados en la detecci??n del dolor como una nueva forma de controlar la percepci??n del dolor.<\/strong><\/p>\n\n\n\n<p><br>&#8220;Nuestro trabajo en curso se centra en dilucidar c??mo las se??ales adicionales derivadas de la piel regulan el dolor y la se??alizaci??n de los??opioides&#8221;, expone Lajos V. Kem??ny, coautor del estudio.<strong>??&#8221;Comprender estas v??as en profundidad puede conducir a la identificaci??n de nuevas estrategias moduladoras del dolor&#8221;<\/strong>.<\/p>\n\n\n\n<p>MuyInteresante<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un equipo de investigadores del Hospital General de Massachusetts (Estados Unidos) ha descubierto que??las personas pelirrojas tienen una tolerancia al dolor naturalmente alta, debido a un mecanismo que aumenta su susceptibilidad a las quemaduras solares;??esto es, presentan una mayor actividad de los receptores opioides involucrados en el bloqueo del??dolor??y a la disminuci??n en la producci??n [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3719,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,11],"tags":[],"class_list":["post-3718","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia","category-vida"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\r\n<title>Los pelirrojos soportan mejor el dolor - 26 Televisi\u00f3n<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/26television.com\/?p=3718\" \/>\r\n<meta property=\"og:locale\" content=\"es_ES\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"Los pelirrojos soportan mejor el dolor - 26 Televisi\u00f3n\" \/>\r\n<meta property=\"og:description\" content=\"Un equipo de investigadores del Hospital General de Massachusetts (Estados Unidos) ha descubierto que??las personas pelirrojas tienen una tolerancia al dolor naturalmente alta, debido a un mecanismo que aumenta su susceptibilidad a las quemaduras solares;??esto es, presentan una mayor actividad de los receptores opioides involucrados en el bloqueo del??dolor??y a la disminuci??n en la producci??n [&hellip;]\" \/>\r\n<meta property=\"og:url\" content=\"https:\/\/26television.com\/?p=3718\" \/>\r\n<meta property=\"og:site_name\" content=\"26 Televisi\u00f3n\" \/>\r\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Canal-Veintiseis-103472998105986\" \/>\r\n<meta property=\"article:published_time\" content=\"2021-04-14T01:00:00+00:00\" \/>\r\n<meta property=\"og:image\" content=\"https:\/\/26television.com\/wp-content\/uploads\/2021\/04\/pelirrojos-dolor_0.jpg\" \/>\r\n\t<meta property=\"og:image:width\" content=\"1\" \/>\r\n\t<meta property=\"og:image:height\" content=\"1\" \/>\r\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\r\n<meta name=\"author\" content=\"administrator\" \/>\r\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\r\n<meta name=\"twitter:creator\" content=\"@CANAL26XELA\" \/>\r\n<meta name=\"twitter:site\" content=\"@CANAL26XELA\" \/>\r\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"administrator\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutos\" \/>\r\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/26television.com\/?p=3718#article\",\"isPartOf\":{\"@id\":\"https:\/\/26television.com\/?p=3718\"},\"author\":{\"name\":\"administrator\",\"@id\":\"https:\/\/26television.com\/#\/schema\/person\/71be2028f0d29e8e7c64f681e7454e67\"},\"headline\":\"Los pelirrojos soportan mejor el dolor\",\"datePublished\":\"2021-04-14T01:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/26television.com\/?p=3718\"},\"wordCount\":532,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/26television.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/26television.com\/?p=3718#primaryimage\"},\"thumbnailUrl\":\"https:\/\/26television.com\/wp-content\/uploads\/2021\/04\/pelirrojos-dolor_0.jpg\",\"articleSection\":[\"Ciencia\",\"Vida\"],\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/26television.com\/?p=3718#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/26television.com\/?p=3718\",\"url\":\"https:\/\/26television.com\/?p=3718\",\"name\":\"Los pelirrojos soportan mejor el dolor - 26 Televisi\u00f3n\",\"isPartOf\":{\"@id\":\"https:\/\/26television.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/26television.com\/?p=3718#primaryimage\"},\"image\":{\"@id\":\"https:\/\/26television.com\/?p=3718#primaryimage\"},\"thumbnailUrl\":\"https:\/\/26television.com\/wp-content\/uploads\/2021\/04\/pelirrojos-dolor_0.jpg\",\"datePublished\":\"2021-04-14T01:00:00+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/26television.com\/?p=3718#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/26television.com\/?p=3718\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/26television.com\/?p=3718#primaryimage\",\"url\":\"https:\/\/26television.com\/wp-content\/uploads\/2021\/04\/pelirrojos-dolor_0.jpg\",\"contentUrl\":\"https:\/\/26television.com\/wp-content\/uploads\/2021\/04\/pelirrojos-dolor_0.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/26television.com\/?p=3718#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/26television.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Los pelirrojos soportan mejor el dolor\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/26television.com\/#website\",\"url\":\"https:\/\/26television.com\/\",\"name\":\"26 Televisi??n\",\"description\":\"Noticias Diarias y el Mejor contenido\",\"publisher\":{\"@id\":\"https:\/\/26television.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/26television.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/26television.com\/#organization\",\"name\":\"26 Televisi??n\",\"url\":\"https:\/\/26television.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/26television.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/26television.com\/wp-content\/uploads\/2020\/09\/cropped-LOGO-NUEVO-GT.png\",\"contentUrl\":\"https:\/\/26television.com\/wp-content\/uploads\/2020\/09\/cropped-LOGO-NUEVO-GT.png\",\"width\":2335,\"height\":2374,\"caption\":\"26 Televisi??n\"},\"image\":{\"@id\":\"https:\/\/26television.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/Canal-Veintiseis-103472998105986\",\"https:\/\/x.com\/CANAL26XELA\",\"https:\/\/instagram.com\/canalveintiseis?igshid=1pv7tihsi3ki3\",\"https:\/\/www.youtube.com\/channel\/UCTvfEAhATM8pvGY1UVcqOaQ\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/26television.com\/#\/schema\/person\/71be2028f0d29e8e7c64f681e7454e67\",\"name\":\"administrator\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/26television.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/15f4bcc7a3b51a83a309e69e3b1eb6276802826123ca201358599e4dcb0c86e3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/15f4bcc7a3b51a83a309e69e3b1eb6276802826123ca201358599e4dcb0c86e3?s=96&d=mm&r=g\",\"caption\":\"administrator\"},\"url\":\"https:\/\/26television.com\/?author=1\"}]}<\/script>\r\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Los pelirrojos soportan mejor el dolor - 26 Televisi\u00f3n","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/26television.com\/?p=3718","og_locale":"es_ES","og_type":"article","og_title":"Los pelirrojos soportan mejor el dolor - 26 Televisi\u00f3n","og_description":"Un equipo de investigadores del Hospital General de Massachusetts (Estados Unidos) ha descubierto que??las personas pelirrojas tienen una tolerancia al dolor naturalmente alta, debido a un mecanismo que aumenta su susceptibilidad a las quemaduras solares;??esto es, presentan una mayor actividad de los receptores opioides involucrados en el bloqueo del??dolor??y a la disminuci??n en la producci??n [&hellip;]","og_url":"https:\/\/26television.com\/?p=3718","og_site_name":"26 Televisi\u00f3n","article_publisher":"https:\/\/www.facebook.com\/Canal-Veintiseis-103472998105986","article_published_time":"2021-04-14T01:00:00+00:00","og_image":[{"url":"https:\/\/26television.com\/wp-content\/uploads\/2021\/04\/pelirrojos-dolor_0.jpg","width":1,"height":1,"type":"image\/jpeg"}],"author":"administrator","twitter_card":"summary_large_image","twitter_creator":"@CANAL26XELA","twitter_site":"@CANAL26XELA","twitter_misc":{"Written by":"administrator","Est. reading time":"3 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/26television.com\/?p=3718#article","isPartOf":{"@id":"https:\/\/26television.com\/?p=3718"},"author":{"name":"administrator","@id":"https:\/\/26television.com\/#\/schema\/person\/71be2028f0d29e8e7c64f681e7454e67"},"headline":"Los pelirrojos soportan mejor el dolor","datePublished":"2021-04-14T01:00:00+00:00","mainEntityOfPage":{"@id":"https:\/\/26television.com\/?p=3718"},"wordCount":532,"commentCount":0,"publisher":{"@id":"https:\/\/26television.com\/#organization"},"image":{"@id":"https:\/\/26television.com\/?p=3718#primaryimage"},"thumbnailUrl":"https:\/\/26television.com\/wp-content\/uploads\/2021\/04\/pelirrojos-dolor_0.jpg","articleSection":["Ciencia","Vida"],"inLanguage":"es","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/26television.com\/?p=3718#respond"]}]},{"@type":"WebPage","@id":"https:\/\/26television.com\/?p=3718","url":"https:\/\/26television.com\/?p=3718","name":"Los pelirrojos soportan mejor el dolor - 26 Televisi\u00f3n","isPartOf":{"@id":"https:\/\/26television.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/26television.com\/?p=3718#primaryimage"},"image":{"@id":"https:\/\/26television.com\/?p=3718#primaryimage"},"thumbnailUrl":"https:\/\/26television.com\/wp-content\/uploads\/2021\/04\/pelirrojos-dolor_0.jpg","datePublished":"2021-04-14T01:00:00+00:00","breadcrumb":{"@id":"https:\/\/26television.com\/?p=3718#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/26television.com\/?p=3718"]}]},{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/26television.com\/?p=3718#primaryimage","url":"https:\/\/26television.com\/wp-content\/uploads\/2021\/04\/pelirrojos-dolor_0.jpg","contentUrl":"https:\/\/26television.com\/wp-content\/uploads\/2021\/04\/pelirrojos-dolor_0.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/26television.com\/?p=3718#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/26television.com\/"},{"@type":"ListItem","position":2,"name":"Los pelirrojos soportan mejor el dolor"}]},{"@type":"WebSite","@id":"https:\/\/26television.com\/#website","url":"https:\/\/26television.com\/","name":"26 Televisi??n","description":"Noticias Diarias y el Mejor contenido","publisher":{"@id":"https:\/\/26television.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/26television.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Organization","@id":"https:\/\/26television.com\/#organization","name":"26 Televisi??n","url":"https:\/\/26television.com\/","logo":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/26television.com\/#\/schema\/logo\/image\/","url":"https:\/\/26television.com\/wp-content\/uploads\/2020\/09\/cropped-LOGO-NUEVO-GT.png","contentUrl":"https:\/\/26television.com\/wp-content\/uploads\/2020\/09\/cropped-LOGO-NUEVO-GT.png","width":2335,"height":2374,"caption":"26 Televisi??n"},"image":{"@id":"https:\/\/26television.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/Canal-Veintiseis-103472998105986","https:\/\/x.com\/CANAL26XELA","https:\/\/instagram.com\/canalveintiseis?igshid=1pv7tihsi3ki3","https:\/\/www.youtube.com\/channel\/UCTvfEAhATM8pvGY1UVcqOaQ"]},{"@type":"Person","@id":"https:\/\/26television.com\/#\/schema\/person\/71be2028f0d29e8e7c64f681e7454e67","name":"administrator","image":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/26television.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/15f4bcc7a3b51a83a309e69e3b1eb6276802826123ca201358599e4dcb0c86e3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/15f4bcc7a3b51a83a309e69e3b1eb6276802826123ca201358599e4dcb0c86e3?s=96&d=mm&r=g","caption":"administrator"},"url":"https:\/\/26television.com\/?author=1"}]}},"_links":{"self":[{"href":"https:\/\/26television.com\/index.php?rest_route=\/wp\/v2\/posts\/3718","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/26television.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/26television.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/26television.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/26television.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3718"}],"version-history":[{"count":1,"href":"https:\/\/26television.com\/index.php?rest_route=\/wp\/v2\/posts\/3718\/revisions"}],"predecessor-version":[{"id":3720,"href":"https:\/\/26television.com\/index.php?rest_route=\/wp\/v2\/posts\/3718\/revisions\/3720"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/26television.com\/index.php?rest_route=\/wp\/v2\/media\/3719"}],"wp:attachment":[{"href":"https:\/\/26television.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/26television.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3718"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/26television.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}