{"id":5294,"date":"2010-03-17T18:35:38","date_gmt":"2010-03-17T16:35:38","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=5294"},"modified":"2015-04-14T18:37:23","modified_gmt":"2015-04-14T16:37:23","slug":"la-tique-anticancereuse","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/la-tique-anticancereuse\/","title":{"rendered":"La tique anticanc\u00e9reuse"},"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 align=\"justify\"><span style=\"font-size: small;\">Elle pique, elle pique, la tique. Et on la d\u00e9teste. Pourtant, elle pourrait bient\u00f4t devenir notre amie. Des chercheurs de l\u2019Institut Butantan de S\u00e3o Paulo, au Br\u00e9sil, ont trouv\u00e9, dans la salive de cet antipa\u2026 thique acarien, une prot\u00e9ine qui d\u00e9truit les cellules canc\u00e9reuses. La chercheuse en biologie mol\u00e9culaire Ana Marisa Chudzinski-Tavassi a pr\u00e9lev\u00e9 du sang de l\u2019Amblyomma cajennense et a reproduit artificiellement cette prot\u00e9ine, appel\u00e9e facteur X actif. Elle l\u2019a ensuite inject\u00e9e \u00e0 des rats atteints de cancer. Apr\u00e8s 14 jours de traitement, la tumeur avait diminu\u00e9; apr\u00e8s 42 jours, elle avait compl\u00e8tement disparu. La chercheuse a fait une demande de brevet afin de mettre au point un m\u00e9dicament contre le cancer de la peau, du foie ou du pancr\u00e9as.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: small;\">\u00ab\u00a0C&rsquo;est une d\u00e9couverte majeure\u00a0\u00bb, estime la directrice de cette \u00e9tude, Ana Marisa Chudzinski-Tavassi, chercheuse en biologie mol\u00e9culaire \u00e0 l&rsquo;Institut Butantan de Sao Paulo.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: small;\">\u00ab\u00a0La substance contenue dans la salive de cette tique&#8230; pourrait \u00eatre le rem\u00e8de contre le cancer\u00a0\u00bb, a-t-elle d\u00e9clar\u00e9 \u00e0 l&rsquo;AFP.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: small;\">La chercheuse raconte avoir d\u00e9couvert par hasard les vertus de cette prot\u00e9ine, baptis\u00e9e Facteur X actif, en testant les propri\u00e9t\u00e9s anti-coagulantes de la salive de la tique, qui permettent au parasite de se gaver du sang des animaux ou des \u00eatres humains auxquels elle s&rsquo;attaque.<\/span><\/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 align=\"justify\"><span style=\"font-size: small;\">La prot\u00e9ine pr\u00e9sente des caract\u00e9ristiques communes avec un anti-coagulant r\u00e9pandu baptis\u00e9 TFPI, ou inhibiteur de type Kunitz, qui agit \u00e9galement sur la croissance des cellules.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: small;\">Des tests en laboratoire ont ensuite \u00e9t\u00e9 men\u00e9s pour voir si la prot\u00e9ine produisait des effets sur les cellules canc\u00e9reuses et leurs r\u00e9sultats ont d\u00e9pass\u00e9 toutes les attentes des chercheurs.<\/span><\/p>\n<p align=\"center\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/tique.jpg?resize=500%2C350\" alt=\"\" width=\"500\" height=\"350\" \/><\/p>\n<p align=\"justify\"><span style=\"font-size: small;\">\u00ab\u00a0A notre grande surprise, elle n&rsquo;a pas tu\u00e9 les cellules saines, qui ont aussi \u00e9t\u00e9 test\u00e9es\u00a0\u00bb, se f\u00e9licite Ana Marisa Chudzinski-Tavassi. \u00ab\u00a0Mais elle a tu\u00e9 les cellules canc\u00e9reuses qui ont \u00e9t\u00e9 analys\u00e9es\u00a0\u00bb.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: small;\">Pour produire un m\u00e9dicament, il faudra cependant des ann\u00e9es de test cliniques et de gros investissements, deux choses que le Br\u00e9sil ne peut pas fournir \u00e0 l&rsquo;heure actuelle.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: small;\">\u00ab\u00a0Faire une d\u00e9couverte est une chose. La transformer en m\u00e9dicament en est une autre totalement diff\u00e9rente\u00a0\u00bb, regrette Ana Marisa Chudzinski-Tavassi.<br \/>\n<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: small;\">sources : <\/span><a href=\"http:\/\/www.quebecscience.qc.ca\/\"><span style=\"font-size: small;\">http:\/\/www.quebecscience.qc.ca\/<\/span><\/a><span style=\"font-size: small;\">\u00a0\/<\/span> <a href=\"http:\/\/www.rtbf.be\/\">http:\/\/www.rtbf.be\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"5294\">(159)<\/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>Elle pique, elle pique, la tique. Et on la d\u00e9teste. Pourtant, elle pourrait bient\u00f4t devenir notre amie. Des chercheurs de&#8230;<\/p>\n","protected":false},"author":1,"featured_media":5295,"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":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[31],"tags":[3420,3862,1891,2504,3861,3860],"class_list":["post-5294","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","tag-anti-cancer","tag-anti-coagulant","tag-cellules","tag-croissance","tag-morsure","tag-tique","wpcat-31-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/morsure-tique.jpg?fit=250%2C264&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-1no","jetpack-related-posts":[{"id":9002,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-sans-cancer-4\/","url_meta":{"origin":5294,"position":0},"title":"Un monde sans cancer 4","author":"Admin","date":"6 novembre 2015","format":false,"excerpt":"D\u00c9COUVERTE D\u2019UNE MOL\u00c9CULE MIRACLE, TUEUSE DE CANCER PAR UNE CHERCHEUSE FRAN\u00c7AISE. Peut-on esp\u00e9rer voir le cancer se soigner comme toute maladie b\u00e9nigne ? C\u2019est possible dit Dr Aur\u00e9lie Juhem, apr\u00e8s sa d\u00e9couverte d\u2019une mol\u00e9cule capable d\u2019arr\u00eater la prolif\u00e9ration d\u2019une tumeur puis de d\u00e9truire sp\u00e9cifiquement les vaisseaux form\u00e9s pour l\u2019alimenter. On\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\/2015\/10\/ET-D5-anti-cancer.jpg?fit=900%2C599&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/ET-D5-anti-cancer.jpg?fit=900%2C599&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/ET-D5-anti-cancer.jpg?fit=900%2C599&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/ET-D5-anti-cancer.jpg?fit=900%2C599&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":4467,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-cancer-bientot-gueri\/","url_meta":{"origin":5294,"position":1},"title":"Le cancer bient\u00f4t gu\u00e9ri ?","author":"Admin","date":"20 juin 2008","format":false,"excerpt":"Une mol\u00e9cule anti-cancer \u00e0 double effet. La recherche dans la lutte contre le cancer vient de faire un pas cons\u00e9quent. Des \u00e9quipes de chercheurs du CNRS emmen\u00e9es par Ara Hovanessian, Jean-Paul Briand et Jos\u00e9 Courty ont mis au point une mol\u00e9cule nomm\u00e9e HB-19 capable d'emp\u00eacher la formation de tumeurs. Leurs\u2026","rel":"","context":"Dans &quot;Divers&quot;","block_context":{"text":"Divers","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/divers\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":25733,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-sans-cancer-32-un-vaccin-anti-cancer-pour-chiens-est-veritablement-revolutionnaire-selon-un-scientifique\/","url_meta":{"origin":5294,"position":2},"title":"Un monde sans cancer 32 : Un vaccin anti-cancer pour chiens est \u00ab\u00a0v\u00e9ritablement r\u00e9volutionnaire\u00a0\u00bb, selon un scientifique","author":"Admin","date":"7 mars 2024","format":false,"excerpt":"Un vaccin contre le cancer r\u00e9cemment mis au point pour les chiens donne des r\u00e9sultats prometteurs dans les essais cliniques men\u00e9s depuis 2016, et l'on esp\u00e8re que certains des avantages du vaccin pourront \u00eatre utilis\u00e9s dans les traitements contre le cancer chez l'homme. Plus de 300 chiens ont \u00e9t\u00e9 trait\u00e9s\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\/2024\/03\/cancer.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/03\/cancer.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/03\/cancer.jpg?fit=1024%2C1024&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/03\/cancer.jpg?fit=1024%2C1024&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":8754,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-sans-cancer-3\/","url_meta":{"origin":5294,"position":3},"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":25076,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-sans-cancer-29-un-traitement-cheval-de-troie-pousse-les-cellules-cancereuses-a-se-suicider\/","url_meta":{"origin":5294,"position":4},"title":"Un monde sans cancer 29 : un traitement \u00ab cheval de Troie \u00bb pousse les cellules canc\u00e9reuses \u00e0 se suicider","author":"Admin","date":"13 juillet 2023","format":false,"excerpt":"Cette m\u00e9thode pourrait constituer une option plus s\u00fbre que la chimioth\u00e9rapie, qui nuit \u00e9galement aux cellules saines. Des scientifiques ont mis au point et test\u00e9 un nouveau traitement potentiel contre le cancer. Fonctionnant de la m\u00eame mani\u00e8re que les vaccins Covid-19, l\u2019approche consiste \u00e0 d\u00e9livrer des mol\u00e9cules d\u2019ARNm poussant les\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\/2023\/07\/cellule-cancer.jpg?fit=612%2C354&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/07\/cellule-cancer.jpg?fit=612%2C354&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/07\/cellule-cancer.jpg?fit=612%2C354&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":21281,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-sans-cancer-23-le-venin-dabeille-tue-certaines-cellules-cancereuses\/","url_meta":{"origin":5294,"position":5},"title":"Un monde sans cancer 23, le venin d&rsquo;abeille tue certaines cellules canc\u00e9reuses","author":"Admin","date":"8 septembre 2020","format":false,"excerpt":"Des scientifiques australiens ont d\u00e9couvert qu\u2019une mol\u00e9cule contenue dans leur venin tue les cellules les plus malignes du cancer du sein. Leur \u00e9tude, parue le 1er septembre 2020 dans Nature, pour\u00adrait ouvrir la voie au d\u00e9veloppement de traitements d\u2019une effi\u00adca\u00adcit\u00e9 redou\u00adtable contre la mala\u00addie. \u00ab\u00a0Leur venin est extr\u00eamement puissant\u00a0\u00bb,\u00a0explique\u00a0Ciara Duffy,\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\/2020\/09\/abeille-1.jpg?fit=1200%2C849&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/09\/abeille-1.jpg?fit=1200%2C849&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/09\/abeille-1.jpg?fit=1200%2C849&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/09\/abeille-1.jpg?fit=1200%2C849&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/09\/abeille-1.jpg?fit=1200%2C849&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/5294","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=5294"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/5294\/revisions"}],"predecessor-version":[{"id":5296,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/5294\/revisions\/5296"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/5295"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=5294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=5294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=5294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}