{"id":24655,"date":"2023-01-17T17:00:16","date_gmt":"2023-01-17T16:00:16","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=24655"},"modified":"2023-01-16T09:00:55","modified_gmt":"2023-01-16T08:00:55","slug":"un-monde-sans-cancer-27-de-minuscules-structures-a-base-dadn-artificiel-contre-le-cancer","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-sans-cancer-27-de-minuscules-structures-a-base-dadn-artificiel-contre-le-cancer\/","title":{"rendered":"Un monde sans cancer 27 : De minuscules structures \u00e0 base d\u2019ADN artificiel contre le cancer"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>Des exp\u00e9riences en laboratoire ont montr\u00e9 qu\u2019elles emp\u00eachaient \u00e9galement la croissance d&rsquo;autres tissus canc\u00e9reux. Des chercheurs japonais ont d\u00e9voil\u00e9 une nouvelle approche anti-cancer prometteuse. Celle-ci repose sur l\u2019utilisation de s\u00e9quences d\u2019ADN artificielles en forme d\u2019\u00e9pingle \u00e0 cheveux, se fixant \u00e0 des mol\u00e9cules surexprim\u00e9es dans le cancer et d\u00e9clenchant une forte r\u00e9ponse immunitaire.<\/p>\n<p>\u00c9PINGLES \u00c0 CHEVEUX ONCOLYTIQUES<br \/>\nLes compos\u00e9s bas\u00e9s sur les acides nucl\u00e9iques se r\u00e9v\u00e8lent prometteurs pour traiter toute une s\u00e9rie d\u2019affections. Si les vaccins \u00e0 base d\u2019ARN messager contre le Covid-19 ont largement contribu\u00e9 \u00e0 populariser cette approche, diff\u00e9rents laboratoires \u00e9tudient actuellement la possibilit\u00e9 de l\u2019utiliser pour combattre d\u2019autres virus ainsi que des maladies comme le cancer.<\/p>\n<p>Les formulations exp\u00e9riment\u00e9es jusqu\u2019\u00e0 pr\u00e9sent ayant tendance \u00e0 impacter \u00e9galement les cellules saines, ce qui impliquait un risque \u00e9lev\u00e9 de r\u00e9actions immunitaires dangereuses, des chercheurs de l\u2019universit\u00e9 de Tokyo ont mis au point des mol\u00e9cules d\u2019ADN artificiel ciblant uniquement leurs homologues canc\u00e9reuses.<\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p>Pour ce faire, ceux-ci ont utilis\u00e9 des mol\u00e9cules d\u2019ADN repli\u00e9es, d\u00e9crites comme des \u00e9pingles \u00e0 cheveux oncolytiques. Synth\u00e9tis\u00e9es chimiquement par paires, celles-ci se d\u00e9plient pour former un brin d\u2019ADN beaucoup plus long lorsqu\u2019elles sont expos\u00e9es \u00e0 une s\u00e9quence de micro-ARN appel\u00e9e miR-21, surexprim\u00e9e dans certains types de cellules canc\u00e9reuses. Le syst\u00e8me immunitaire est alors averti de leur pr\u00e9sence, d\u00e9clenchant une r\u00e9action \u00e0 m\u00eame d\u2019\u00e9liminer les cellules canc\u00e9reuses.<\/p>\n<p>Ayant impliqu\u00e9 des cellules canc\u00e9reuses humaines du col de l\u2019ut\u00e9rus et du sein, ainsi que des rongeurs vivants atteints de m\u00e9lanomes, les exp\u00e9riences r\u00e9alis\u00e9es ont montr\u00e9 que les \u00e9pingles \u00e0 cheveux anti-cancer permettaient \u00e0 la fois de d\u00e9truire les tumeurs et d\u2019emp\u00eacher la croissance d\u2019autres tissus canc\u00e9reux.<\/p>\n<p>extrait et source : <a href=\"https:\/\/dailygeekshow.com\/epingles-adn-cancer\/\" rel=\"noopener\" target=\"_blank\">https:\/\/dailygeekshow.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"24655\">(229)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Des exp\u00e9riences en laboratoire ont montr\u00e9 qu\u2019elles emp\u00eachaient \u00e9galement la croissance d&rsquo;autres tissus canc\u00e9reux. Des chercheurs japonais ont d\u00e9voil\u00e9 une&#8230;<\/p>\n","protected":false},"author":1,"featured_media":18934,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[18],"tags":[954,85,130],"class_list":["post-24655","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-monde-futur","tag-adn","tag-cancer","tag-monde","wpcat-18-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/cancer.jpg?fit=1280%2C720&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-6pF","jetpack-related-posts":[{"id":27410,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-sans-cancer-36-ladn-poubelle-pourrait-etre-utilise-pour-detruire-les-cellules-cancereuses-de-linterieur\/","url_meta":{"origin":24655,"position":0},"title":"Un monde sans cancer 36 : L&rsquo;ADN \u00ab poubelle \u00bb pourrait \u00eatre utilis\u00e9 pour d\u00e9truire les cellules canc\u00e9reuses de l&rsquo;int\u00e9rieur","author":"Admin","date":"4 novembre 2025","format":false,"excerpt":"De nouvelles recherches ont r\u00e9v\u00e9l\u00e9 que des sections d'ADN autrefois consid\u00e9r\u00e9es comme dormantes et inutiles pourraient en fait \u00eatre utilis\u00e9es pour lutter contre certains types de cancers du sang r\u00e9sistants aux m\u00e9dicaments. Connus sous le nom d'ADN \u00ab poubelle \u00bb, ces fragments d'ADN ne codent pas pour des prot\u00e9ines et\u2026","rel":"","context":"Dans &quot;Monde Futur&quot;","block_context":{"text":"Monde Futur","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/monde-futur\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/cellule-cancer-suicide.jpg?fit=750%2C400&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/cellule-cancer-suicide.jpg?fit=750%2C400&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/cellule-cancer-suicide.jpg?fit=750%2C400&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/cellule-cancer-suicide.jpg?fit=750%2C400&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":25019,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-sans-cancer-28-les-baleines-boreales-pourraient-savoir-reparer-leur-adn-contre-le-cancer\/","url_meta":{"origin":24655,"position":1},"title":"Un monde sans cancer 28 : Les baleines bor\u00e9ales pourraient savoir r\u00e9parer leur ADN contre le cancer","author":"Admin","date":"14 juin 2023","format":false,"excerpt":"Cette capacit\u00e9 pourrait permettre aux mammif\u00e8res marins de vivre plus de 200 ans. Pr\u00e8s de la pointe nord de l'Alaska, aux abords de l'oc\u00e9an Arctique, les baleines bor\u00e9ales ont donn\u00e9 aux scientifiques un aper\u00e7u de leur long\u00e9vit\u00e9. Ces gigantesques mammif\u00e8res marins peuvent vivre plus de 200 ans, et des \u00e9chantillons\u2026","rel":"","context":"Dans &quot;Monde Futur&quot;","block_context":{"text":"Monde Futur","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/monde-futur\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/baleine-moderne.jpg?fit=927%2C757&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/baleine-moderne.jpg?fit=927%2C757&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/baleine-moderne.jpg?fit=927%2C757&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/baleine-moderne.jpg?fit=927%2C757&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":20183,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-sans-cancer-19-kavya-kopparapu-etudiante-de-19-ans-a-invente-une-ia-pour-combattre-le-cancer\/","url_meta":{"origin":24655,"position":2},"title":"Un monde sans cancer 19 : Kavya Kopparapu, \u00e9tudiante de 19 ans a invent\u00e9 une IA pour combattre le cancer","author":"Admin","date":"16 janvier 2020","format":false,"excerpt":"Kavya Kopparapu, une adolescente am\u00e9ricano-indienne r\u00e9compens\u00e9e pour son innovation dans le traitement du cancer du cerveau. Un adolescent indo-am\u00e9ricain a re\u00e7u le prix national de l'\u00e9ducation STEM (sciences, technologies, ing\u00e9nierie et math\u00e9matiques) 2019 pour son invention novatrice con\u00e7ue pour am\u00e9liorer les traitements du glioblastome, la forme de cancer du cerveau\u2026","rel":"","context":"Dans &quot;Monde Futur&quot;","block_context":{"text":"Monde Futur","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/monde-futur\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/11\/Kavya-Kopparapu.jpg?fit=1100%2C592&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/11\/Kavya-Kopparapu.jpg?fit=1100%2C592&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/11\/Kavya-Kopparapu.jpg?fit=1100%2C592&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/11\/Kavya-Kopparapu.jpg?fit=1100%2C592&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/11\/Kavya-Kopparapu.jpg?fit=1100%2C592&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":17401,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-sans-cancer-14\/","url_meta":{"origin":24655,"position":3},"title":"Un monde sans cancer 14","author":"Admin","date":"12 janvier 2019","format":false,"excerpt":"Un traitement prometteur pour \u00e9viter la chimioth\u00e9rapie : pousser les cellules canc\u00e9reuses au suicide. Le cancer est la premi\u00e8re cause de mort pr\u00e9matur\u00e9e en France, avec 400 000 cas suppl\u00e9mentaires diagnostiqu\u00e9s en 2017 et pr\u00e8s 150 000 d\u00e9c\u00e8s. Pour d\u00e9fier ces chiffres alarmants, un groupe de chercheurs am\u00e9ricains veut d\u00e9fier\u2026","rel":"","context":"Dans &quot;Solutions&quot;","block_context":{"text":"Solutions","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/solutions\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/cellule-cancer-suicide.jpg?fit=750%2C400&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/cellule-cancer-suicide.jpg?fit=750%2C400&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/cellule-cancer-suicide.jpg?fit=750%2C400&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/cellule-cancer-suicide.jpg?fit=750%2C400&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":8754,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-sans-cancer-3\/","url_meta":{"origin":24655,"position":4},"title":"Un monde sans cancer 3","author":"Admin","date":"25 octobre 2015","format":false,"excerpt":"L'incroyable d\u00e9fense des \u00e9l\u00e9phants contre le cancer \u00e9lucid\u00e9e. Tr\u00e8s peu d'\u00e9l\u00e9phants meurent d'un cancer. Pourtant leur grande taille et leur long\u00e9vit\u00e9 devraient favoriser le d\u00e9veloppement de cette maladie. Des chercheurs am\u00e9ricains viennent de percer le secret anticancer de ces pachydermes. On les savait intelligents, sociaux et altruistes, joueurs, capables de\u2026","rel":"","context":"Dans &quot;Monde Futur&quot;","block_context":{"text":"Monde Futur","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/monde-futur\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/elephant.jpg?fit=728%2C400&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/elephant.jpg?fit=728%2C400&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/elephant.jpg?fit=728%2C400&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/elephant.jpg?fit=728%2C400&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":24154,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-sans-cancer-26-un-medicament-experimental-contre-le-cancer-du-rectum-a-fait-disparaitre-les-tumeurs-de-tous-les-patients-lors-dun-essai\/","url_meta":{"origin":24655,"position":5},"title":"Un monde sans cancer 26 : Un m\u00e9dicament exp\u00e9rimental contre le cancer du rectum a fait dispara\u00eetre les tumeurs de tous les patients lors d&rsquo;un essai","author":"Admin","date":"22 juin 2022","format":false,"excerpt":"Jusqu'\u00e0 pr\u00e9sent, aucun patient n'a eu besoin de traitement suppl\u00e9mentaire. Dans le cadre d'un essai clinique sans pr\u00e9c\u00e9dent, une douzaine de patients atteints de cancer du rectum ont vu leur tumeur dispara\u00eetre apr\u00e8s avoir re\u00e7u un m\u00e9dicament exp\u00e9rimental appel\u00e9 dostarlimab, et aucun des patients n'a subi d'effets secondaires importants au\u2026","rel":"","context":"Dans &quot;Solutions&quot;","block_context":{"text":"Solutions","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/solutions\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/01\/cellule-cancereuse.png?fit=1165%2C819&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/01\/cellule-cancereuse.png?fit=1165%2C819&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/01\/cellule-cancereuse.png?fit=1165%2C819&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/01\/cellule-cancereuse.png?fit=1165%2C819&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/01\/cellule-cancereuse.png?fit=1165%2C819&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/24655","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=24655"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/24655\/revisions"}],"predecessor-version":[{"id":24656,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/24655\/revisions\/24656"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/18934"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=24655"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=24655"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=24655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}