{"id":3560,"date":"2024-05-29T14:37:31","date_gmt":"2024-05-29T14:37:31","guid":{"rendered":"https:\/\/oneofus.eu\/?p=3560"},"modified":"2025-10-13T13:42:43","modified_gmt":"2025-10-13T13:42:43","slug":"human-embryonic-stem-cells","status":"publish","type":"post","link":"https:\/\/oneofus.eu\/pt\/human-embryonic-stem-cells\/","title":{"rendered":"C\u00e9lulas estaminais embrion\u00e1rias humanas"},"content":{"rendered":"<p class=\"wp-block-paragraph\">A 10 de abril de 2014, \"Um de N\u00f3s\", a segunda Iniciativa de Cidadania Europeia (ICE) da hist\u00f3ria, mas a primeira em assinaturas (2 milh\u00f5es) e pa\u00edses alcan\u00e7ados (20 pa\u00edses), concluiu o seu percurso institucional com a apresenta\u00e7\u00e3o das suas ideias numa audi\u00e7\u00e3o p\u00fablica no Parlamento Europeu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O principal pedido desta ICE \u00e9 que se ponha termo aos fundos destinados a projectos de investiga\u00e7\u00e3o que envolvam ou pressuponham a destrui\u00e7\u00e3o de embri\u00f5es humanos. Sem estes investimentos p\u00fablicos europeus, a investiga\u00e7\u00e3o sobre c\u00e9lulas estaminais embrion\u00e1rias humanas (cuja obten\u00e7\u00e3o implica a destrui\u00e7\u00e3o de embri\u00f5es humanos) estar\u00e1 provavelmente em dificuldades.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Enquanto investigadores que trabalham com c\u00e9lulas estaminais, queremos apoiar esta peti\u00e7\u00e3o dirigida \u00e0 Comiss\u00e3o Europeia porque nos parece cientificamente fundamentada e eticamente necess\u00e1ria.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00eas raz\u00f5es explicam a nossa oposi\u00e7\u00e3o \u00e0 investiga\u00e7\u00e3o com c\u00e9lulas estaminais embrion\u00e1rias humanas:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">H\u00e1 outras possibilidades:<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Todos os tipos de tecidos do corpo humano cont\u00eam algumas c\u00e9lulas estaminais cuja fun\u00e7\u00e3o \u00e9 preencher os espa\u00e7os vazios das c\u00e9lulas que est\u00e3o a morrer naturalmente. A investiga\u00e7\u00e3o sobre este tipo de c\u00e9lulas estaminais, denominadas <strong>c\u00e9lulas estaminais adultas<\/strong>A Comiss\u00e3o Europeia j\u00e1 obteve um grande n\u00famero de bons resultados.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por outro lado, em 2006, o Professor Shinya Yamanaka descobriu um novo m\u00e9todo para transformar c\u00e9lulas estaminais adultas em \"c\u00e9lulas estaminais pluripotentes induzidas\", que s\u00e3o equivalentes \u00e0s c\u00e9lulas estaminais embrion\u00e1rias.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esta fabulosa descoberta foi galardoada com o Pr\u00e9mio Nobel da Fisiologia ou Medicina em 2012 porque<strong> c\u00e9lulas estaminais pluripotentes induzidas<\/strong> tem todas as potencialidades das c\u00e9lulas estaminais embrion\u00e1rias com algumas vantagens biol\u00f3gicas, econ\u00f3micas ou \u00e9ticas fundamentais, como a possibilidade de as produzir de forma compat\u00edvel com o doente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Estas duas possibilidades - c\u00e9lulas estaminais adultas e c\u00e9lulas estaminais pluripotentes induzidas - s\u00e3o muito mais eficazes:<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">As legisla\u00e7\u00f5es nacionais que permitem a investiga\u00e7\u00e3o com c\u00e9lulas estaminais embrion\u00e1rias fazem-no normalmente na condi\u00e7\u00e3o de n\u00e3o existirem outros \"m\u00e9todos alternativos com efic\u00e1cia semelhante\". J\u00e1 demonstr\u00e1mos que existem outros m\u00e9todos, o que sabemos sobre a efic\u00e1cia desses m\u00e9todos?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ap\u00f3s 15 anos de investiga\u00e7\u00e3o, o registo mundial de ensaios cl\u00ednicos (<a href=\"http:\/\/www.clinicaltrials.gov\/\">www.clinicaltrials.gov<\/a>) t\u00eam provas de 29 ensaios cl\u00ednicos relativos a medicamentos ou procedimentos m\u00e9dicos como consequ\u00eancia da investiga\u00e7\u00e3o com c\u00e9lulas estaminais embrion\u00e1rias. Por outro lado, a mesma base de dados apresenta 4.754 ensaios cl\u00ednicos com c\u00e9lulas estaminais adultas e 135 com c\u00e9lulas estaminais pluripotentes induzidas, apesar de esta t\u00e9cnica ser bastante recente. Os dados parecem evidentes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">A redu\u00e7\u00e3o dos padr\u00f5es \u00e9ticos \u00e9 um movimento perigoso:<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A destrui\u00e7\u00e3o de embri\u00f5es humanos nunca deveria tornar-se normal (e muito menos um procedimento industrializado), o que \u00e9 inevit\u00e1vel se quisermos concluir as nossas investiga\u00e7\u00f5es sobre algum procedimento m\u00e9dico em grande escala.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O investimento da Uni\u00e3o Europeia em projectos de investiga\u00e7\u00e3o com normas \u00e9ticas m\u00ednimas aumenta o risco de se lan\u00e7ar uma corrida aos lucros \u00e0 custa de outros valores muito importantes, como deveria ser o respeito pela vida humana ou as preocupa\u00e7\u00f5es ambientais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Atualmente, a tend\u00eancia na Uni\u00e3o Europeia \u00e9 promover elevados padr\u00f5es \u00e9ticos na investiga\u00e7\u00e3o, para reduzir os riscos para os pacientes, mas tamb\u00e9m para tratar eticamente os animais utilizados em ensaios cl\u00ednicos. Neste contexto, \u00e9 estranho que a Uni\u00e3o Europeia aceite financiar algumas investiga\u00e7\u00f5es que implicam a destrui\u00e7\u00e3o sistem\u00e1tica de embri\u00f5es humanos que s\u00e3o \"One of US\".<\/p>","protected":false},"excerpt":{"rendered":"<p>No dia 10 de abril de 2014, \"Um de N\u00f3s\", a segunda Iniciativa de Cidadania Europeia (ICE) da hist\u00f3ria, mas a primeira em assinaturas (2 milh\u00f5es) e pa\u00edses alcan\u00e7ados (20 pa\u00edses), concluiu o seu percurso institucional com a apresenta\u00e7\u00e3o das suas ideias numa audi\u00e7\u00e3o p\u00fablica no Parlamento Europeu. O principal objetivo desta ICE \u00e9 impedir [...]<\/p>","protected":false},"author":1,"featured_media":3557,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[81],"tags":[],"article-mis-en-avant":[24],"class_list":["post-3560","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-federation-updates","article-mis-en-avant-not-pinned"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Human Embryonic stem cells - One of Us<\/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:\/\/oneofus.eu\/pt\/human-embryonic-stem-cells\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Human Embryonic stem cells - One of Us\" \/>\n<meta property=\"og:description\" content=\"The 10th April 2014, &#8220;One of Us&#8221;, the Second European Citizens Initiative (ECI) in the history, but first on signatures (2 millions) and countries reached (20 countries) has finished his institutional path with the presentation of his ideas on a public hearing in the European Parliament. 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