{"id":236,"date":"2022-11-11T21:40:30","date_gmt":"2022-11-11T21:40:30","guid":{"rendered":"https:\/\/lequotidien.mr\/?p=236"},"modified":"2022-11-14T12:56:44","modified_gmt":"2022-11-14T12:56:44","slug":"des-patients-recoivent-du-sang-artificiel-dans-un-essai-clinique-sans-precedent","status":"publish","type":"post","link":"https:\/\/lequotidien.mr\/?p=236&lang=fr","title":{"rendered":"Des patients re\u00e7oivent du sang artificiel dans un essai clinique &#8220;sans pr\u00e9c\u00e9dent&#8221;"},"content":{"rendered":"<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\"><b>Des chercheurs britanniques ont d\u00e9clar\u00e9 que plusieurs patients avaient re\u00e7u du sang cr\u00e9\u00e9 en laboratoire lors d&#8217;un essai clinique sans pr\u00e9c\u00e9dent.<\/b><\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Ils utilisent des quantit\u00e9s infimes de sang artificiel &#8211; l&#8217;\u00e9quivalent de quelques cuill\u00e8res \u00e0 caf\u00e9 &#8211; pour voir comment il se comporte \u00e0 l&#8217;int\u00e9rieur du corps.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\"><b>A lire aussi sur BBC Afrique :<\/b><\/p>\n<\/div>\n<div class=\"etpldq00 bbc-oa9drk ebmt73l0\" dir=\"ltr\">\n<ul class=\"bbc-1uk1heq evvt9po1\" dir=\"ltr\" role=\"list\">\n<li class=\"bbc-acwcvw evvt9po0\" role=\"listitem\"><a class=\"bbc-n8oauk e1p3sufg0\" href=\"https:\/\/www.bbc.com\/afrique\/monde-63567932\">Cinq mythes habituels sur le climat d\u00e9mystifi\u00e9s<\/a><\/li>\n<li class=\"bbc-acwcvw evvt9po0\" role=\"listitem\"><a class=\"bbc-n8oauk e1p3sufg0\" href=\"https:\/\/www.bbc.com\/afrique\/sports-63190206\">Les pays qui vont contribuer \u00e0 la s\u00e9curit\u00e9 de la Coupe du monde 2022<\/a><\/li>\n<li class=\"bbc-acwcvw evvt9po0\" role=\"listitem\"><a class=\"bbc-n8oauk e1p3sufg0\" href=\"https:\/\/www.bbc.com\/afrique\/monde-63573209\">Les op\u00e9rations militaires britanniques en Afghanistan ont fait 64 morts parmi les enfants<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Actuellement, la plupart des transfusions sanguines d\u00e9pendent des donneurs.<\/p>\n<\/div>\n<section class=\"e1j2237y8 bbc-sswtix e8sa160\" role=\"region\" aria-label=\"Publicit\u00e9s 2\" aria-hidden=\"true\" data-e2e=\"advertisement\"><\/section>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Le but ultime de cette exp\u00e9rience est de pouvoir fabriquer en laboratoire des groupes sanguins ultra-rares , vitaux pour certaines personnes mais difficiles \u00e0 obtenir.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<h2 id=\"Alors-comment-le-sang-estil-cultiv\u00e9-\" class=\"bbc-1itnmzg eglt09e0\" tabindex=\"-1\">Alors, comment le sang est-il cultiv\u00e9 ?<\/h2>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<figure class=\"bbc-1qdcvv9 e1aczekt0\">\n<div class=\"bbc-37mmq3 ebmt73l0\" dir=\"ltr\">\n<div class=\"bbc-37mmq3 ebmt73l0\" dir=\"ltr\">\n<div class=\"bbc-189y18v ebmt73l0\" dir=\"ltr\">\n<div class=\"bbc-997y1y eihqrxw0\" data-e2e=\"image-placeholder\">\n<div class=\"lazyload-wrapper \"><picture class=\"bbc-yfiktt e1mo64ex1\"><source srcset=\"https:\/\/ichef.bbci.co.uk\/news\/240\/cpsprodpb\/BFFF\/production\/_127515194_micropsopeimageexampleofanrestorelaboratorygrownyoungredbloodcell.jpg.webp 240w, https:\/\/ichef.bbci.co.uk\/news\/320\/cpsprodpb\/BFFF\/production\/_127515194_micropsopeimageexampleofanrestorelaboratorygrownyoungredbloodcell.jpg.webp 320w, https:\/\/ichef.bbci.co.uk\/news\/480\/cpsprodpb\/BFFF\/production\/_127515194_micropsopeimageexampleofanrestorelaboratorygrownyoungredbloodcell.jpg.webp 480w, https:\/\/ichef.bbci.co.uk\/news\/549\/cpsprodpb\/BFFF\/production\/_127515194_micropsopeimageexampleofanrestorelaboratorygrownyoungredbloodcell.jpg.webp 549w\" type=\"image\/webp\" sizes=\"(min-width: 1008px) 645px, 100vw\" \/><source srcset=\"https:\/\/ichef.bbci.co.uk\/news\/240\/cpsprodpb\/BFFF\/production\/_127515194_micropsopeimageexampleofanrestorelaboratorygrownyoungredbloodcell.jpg 240w, https:\/\/ichef.bbci.co.uk\/news\/320\/cpsprodpb\/BFFF\/production\/_127515194_micropsopeimageexampleofanrestorelaboratorygrownyoungredbloodcell.jpg 320w, https:\/\/ichef.bbci.co.uk\/news\/480\/cpsprodpb\/BFFF\/production\/_127515194_micropsopeimageexampleofanrestorelaboratorygrownyoungredbloodcell.jpg 480w, https:\/\/ichef.bbci.co.uk\/news\/549\/cpsprodpb\/BFFF\/production\/_127515194_micropsopeimageexampleofanrestorelaboratorygrownyoungredbloodcell.jpg 549w\" type=\"image\/jpeg\" sizes=\"(min-width: 1008px) 645px, 100vw\" \/><img loading=\"lazy\" decoding=\"async\" class=\"e3vrtyk0 bbc-rb7xa0 e1mo64ex0\" src=\"https:\/\/ichef.bbci.co.uk\/news\/640\/cpsprodpb\/BFFF\/production\/_127515194_micropsopeimageexampleofanrestorelaboratorygrownyoungredbloodcell.jpg\" alt=\"Une image d'un globule rouge.\" width=\"549\" height=\"549\" \/><\/picture><\/div>\n<p class=\"bbc-1s1cxbv ewbcsnk0\" role=\"text\"><span class=\"bbc-1gnhmg2 ed7bp6y0\">CR\u00c9DIT PHOTO,<\/span><span lang=\"en-GB\">NHSBT<\/span><\/p>\n<\/div>\n<\/div>\n<div class=\"bbc-3edg7g ebmt73l0\" dir=\"ltr\"><\/div>\n<\/div>\n<\/div><figcaption class=\"bbc-1ephn0r e6i104o0\" dir=\"ltr\"><span class=\"bbc-1gnhmg2 ed7bp6y0\">L\u00e9gende image,<\/span>Un globule rouge cr\u00e9\u00e9 en laboratoire. Les globules rouges transportent l&#8217;oxyg\u00e8ne et le CO2 dans tout le corps.<\/p>\n<\/figcaption><div class=\"bbc-37mmq3 ebmt73l0\" dir=\"ltr\">\n<div class=\"bbc-3edg7g ebmt73l0\" dir=\"ltr\"><\/div>\n<\/div>\n<\/figure>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Ces groupes sanguins sont n\u00e9cessaires pour soigner les personnes qui d\u00e9pendent de transfusions sanguines r\u00e9guli\u00e8res, telles que celles atteintes d&#8217;affections telles que l&#8217;an\u00e9mie falciforme.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Si le sang ne correspond pas exactement, le corps commence \u00e0 le rejeter et le traitement \u00e9choue. Ce niveau de compatibilit\u00e9 va au-del\u00e0 des groupes sanguins bien connus A, B, AB et O.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Le professeur Ashley Toye, de l&#8217;Universit\u00e9 de Bristol, a d\u00e9clar\u00e9 que certains groupes \u00e9taient &#8220;tr\u00e8s, tr\u00e8s rares&#8221; et &#8220;il pourrait n&#8217;y avoir que 10 personnes dans le pays &#8221; capables de faire un don.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Pour le moment, il n&#8217;y a que trois unit\u00e9s du groupe sanguin &#8220;Bombay&#8221; &#8211; identifi\u00e9 pour la premi\u00e8re fois en Inde &#8211; en stock dans tout le Royaume-Uni.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\"><b>Lire aussi<\/b><b>:<\/b><\/p>\n<\/div>\n<div class=\"etpldq00 bbc-oa9drk ebmt73l0\" dir=\"ltr\">\n<ul class=\"bbc-1uk1heq evvt9po1\" dir=\"ltr\" role=\"list\">\n<li class=\"bbc-acwcvw evvt9po0\" role=\"listitem\"><a class=\"bbc-n8oauk e1p3sufg0\" href=\"https:\/\/www.bbc.com\/afrique\/monde-51659644\">Les scientifiques esp\u00e8rent trouver un vaccin en un temps record contre le coronavirus<\/a><\/li>\n<li class=\"bbc-acwcvw evvt9po0\" role=\"listitem\"><a class=\"bbc-n8oauk e1p3sufg0\" href=\"https:\/\/www.bbc.com\/afrique\/monde-62727682\">Comment soulager les maux de dos<\/a><\/li>\n<li class=\"bbc-acwcvw evvt9po0\" role=\"listitem\"><a class=\"bbc-n8oauk e1p3sufg0\" href=\"https:\/\/www.bbc.com\/afrique\/monde-60008221\">Les dangers du surdosage en vitamines<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Ce projet de recherche associe des \u00e9quipes de Bristol, Cambridge, Londres et de l&#8217;unit\u00e9 de sang et de dons du NHS. Il se concentre sur les globules rouges qui transportent l&#8217;oxyg\u00e8ne des poumons vers le reste du corps.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">C&#8217;est comme \u00e7a que \u00e7a marche :<\/p>\n<\/div>\n<div class=\"etpldq00 bbc-oa9drk ebmt73l0\" dir=\"ltr\">\n<ul class=\"bbc-1uk1heq evvt9po1\" dir=\"ltr\" role=\"list\">\n<li class=\"bbc-acwcvw evvt9po0\" role=\"listitem\">Les scientifiques commencent par un don normal d&#8217;un demi-litre de sang (environ 470 ml).<\/li>\n<li class=\"bbc-acwcvw evvt9po0\" role=\"listitem\">Les champs magn\u00e9tiques sont utilis\u00e9s pour extraire les cellules souches flexibles capables de se d\u00e9velopper en globules rouges. Ces cellules souches sont stimul\u00e9es pour se d\u00e9velopper en grand nombre dans les laboratoires, puis guid\u00e9es pour devenir des globules rouges.<\/li>\n<li class=\"bbc-acwcvw evvt9po0\" role=\"listitem\">Le processus prend environ trois semaines et, \u00e0 partir d&#8217;un pool initial d&#8217;environ un demi-million de cellules souches, 50 milliards de globules rouges sont produits.<\/li>\n<li class=\"bbc-acwcvw evvt9po0\" role=\"listitem\">Ceux-ci sont filtr\u00e9s pour obtenir environ 15 milliards de globules rouges au bon stade de d\u00e9veloppement pour la transplantation.<\/li>\n<\/ul>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">&#8220;Nous voulons produire autant de sang que possible \u00e0 l&#8217;avenir, donc la vision dans ma t\u00eate est une salle pleine de machines qui en produisent en continu \u00e0 partir d&#8217;un don de sang normal&#8221;, m&#8217;a dit le professeur Toye.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<h2 id=\"La-preuve\" class=\"bbc-1itnmzg eglt09e0\" tabindex=\"-1\">La preuve<\/h2>\n<\/div>\n<div class=\"bbc-1ka88fa ebmt73l0\" dir=\"ltr\">\n<figure class=\"bbc-1qdcvv9 e1aczekt0\">\n<div class=\"bbc-172p16q ebmt73l0\" dir=\"ltr\">\n<div class=\"bbc-189y18v ebmt73l0\" dir=\"ltr\">\n<div class=\"bbc-997y1y eihqrxw0\" data-e2e=\"image-placeholder\">\n<div class=\"lazyload-wrapper \"><picture class=\"bbc-yfiktt e1mo64ex1\"><source srcset=\"https:\/\/ichef.bbci.co.uk\/news\/240\/cpsprodpb\/3837\/production\/_127519341_nhsbtfiltonlab_removingasmallcellsampleforcountingduringcultureofredbloodcells_restore.jpg.webp 240w, https:\/\/ichef.bbci.co.uk\/news\/320\/cpsprodpb\/3837\/production\/_127519341_nhsbtfiltonlab_removingasmallcellsampleforcountingduringcultureofredbloodcells_restore.jpg.webp 320w, https:\/\/ichef.bbci.co.uk\/news\/480\/cpsprodpb\/3837\/production\/_127519341_nhsbtfiltonlab_removingasmallcellsampleforcountingduringcultureofredbloodcells_restore.jpg.webp 480w, https:\/\/ichef.bbci.co.uk\/news\/624\/cpsprodpb\/3837\/production\/_127519341_nhsbtfiltonlab_removingasmallcellsampleforcountingduringcultureofredbloodcells_restore.jpg.webp 624w, https:\/\/ichef.bbci.co.uk\/news\/800\/cpsprodpb\/3837\/production\/_127519341_nhsbtfiltonlab_removingasmallcellsampleforcountingduringcultureofredbloodcells_restore.jpg.webp 800w\" type=\"image\/webp\" sizes=\"(min-width: 1008px) 645px, 100vw\" \/><source srcset=\"https:\/\/ichef.bbci.co.uk\/news\/240\/cpsprodpb\/3837\/production\/_127519341_nhsbtfiltonlab_removingasmallcellsampleforcountingduringcultureofredbloodcells_restore.jpg 240w, https:\/\/ichef.bbci.co.uk\/news\/320\/cpsprodpb\/3837\/production\/_127519341_nhsbtfiltonlab_removingasmallcellsampleforcountingduringcultureofredbloodcells_restore.jpg 320w, https:\/\/ichef.bbci.co.uk\/news\/480\/cpsprodpb\/3837\/production\/_127519341_nhsbtfiltonlab_removingasmallcellsampleforcountingduringcultureofredbloodcells_restore.jpg 480w, https:\/\/ichef.bbci.co.uk\/news\/624\/cpsprodpb\/3837\/production\/_127519341_nhsbtfiltonlab_removingasmallcellsampleforcountingduringcultureofredbloodcells_restore.jpg 624w, https:\/\/ichef.bbci.co.uk\/news\/800\/cpsprodpb\/3837\/production\/_127519341_nhsbtfiltonlab_removingasmallcellsampleforcountingduringcultureofredbloodcells_restore.jpg 800w\" type=\"image\/jpeg\" sizes=\"(min-width: 1008px) 645px, 100vw\" \/><img loading=\"lazy\" decoding=\"async\" class=\"e3vrtyk0 bbc-rb7xa0 e1mo64ex0\" src=\"https:\/\/ichef.bbci.co.uk\/news\/640\/cpsprodpb\/3837\/production\/_127519341_nhsbtfiltonlab_removingasmallcellsampleforcountingduringcultureofredbloodcells_restore.jpg\" alt=\"Du sang artificiel fabriqu\u00e9 en laboratoire.\" width=\"976\" height=\"549\" \/><\/picture><\/div>\n<p class=\"bbc-1s1cxbv ewbcsnk0\" role=\"text\"><span class=\"bbc-1gnhmg2 ed7bp6y0\">CR\u00c9DIT PHOTO,<\/span><span lang=\"en-GB\">NHSBT<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/figure>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Deux volontaires ont \u00e9t\u00e9 les premiers \u00e0 participer \u00e0 l&#8217;essai, qui vise \u00e0 tester le sang d&#8217;au moins 10 personnes en bonne sant\u00e9. Ils recevront deux dons de 5 \u00e0 10 ml \u00e0 au moins quatre mois d&#8217;intervalle : un de sang normal et un de sang cultiv\u00e9 en laboratoire.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Le sang artificiel est \u00e9tiquet\u00e9 avec une substance radioactive, qui est g\u00e9n\u00e9ralement utilis\u00e9e dans les proc\u00e9dures m\u00e9dicales afin que les scientifiques puissent voir combien de temps il dure dans le corps.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Le sang cultiv\u00e9 en laboratoire devrait \u00eatre plus puissant que la normale.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Les globules rouges durent normalement environ 120 jours avant de devoir \u00eatre remplac\u00e9s. Un don de sang typique contient un m\u00e9lange de globules rouges jeunes et vieux, tandis que le sang cultiv\u00e9 en laboratoire est fra\u00eechement pr\u00e9par\u00e9, il devrait donc durer 120 jours. Les chercheurs soup\u00e7onnent que cela pourrait permettre des dons plus petits et moins fr\u00e9quents \u00e0 l&#8217;avenir.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Cependant, les d\u00e9fis financiers et technologiques sont consid\u00e9rables.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Un don de sang moyen co\u00fbte au NHS environ 150 dollars am\u00e9ricains. La fabrication du sang dans un laboratoire co\u00fbtera beaucoup plus cher, bien que l&#8217;\u00e9quipe n&#8217;ait pas pr\u00e9cis\u00e9 combien.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Un autre d\u00e9fi est que les cellules souches collect\u00e9es finissent par s&#8217;\u00e9puiser, ce qui limite la quantit\u00e9 de sang pouvant \u00eatre cultiv\u00e9e. Des recherches suppl\u00e9mentaires seront n\u00e9cessaires pour produire les volumes cliniquement n\u00e9cessaires.<\/p>\n<\/div>\n<div class=\"bbc-19j92fr ebmt73l0\" dir=\"ltr\">\n<p class=\"bbc-1y32vyc e17g058b0\" dir=\"ltr\">Le Dr Farrukh Shah, directeur m\u00e9dical du NHS Transfusion, a d\u00e9clar\u00e9: &#8220;Cette recherche de pointe jette les bases de la fabrication de globules rouges pouvant \u00eatre utilis\u00e9s en toute s\u00e9curit\u00e9 chez les personnes atteintes de troubles tels que la dr\u00e9panocytose.&#8221;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Des chercheurs britanniques ont d\u00e9clar\u00e9 que plusieurs patients avaient re\u00e7u du sang cr\u00e9\u00e9 en laboratoire lors d&#8217;un essai clinique sans pr\u00e9c\u00e9dent. Ils utilisent des quantit\u00e9s infimes de sang artificiel &#8211; l&#8217;\u00e9quivalent de quelques cuill\u00e8res \u00e0 caf\u00e9 &#8211; pour voir comment il se comporte \u00e0 l&#8217;int\u00e9rieur du corps. A lire aussi sur BBC Afrique : Cinq&#8230;..<\/p>\n","protected":false},"author":3,"featured_media":237,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-236","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Des patients re\u00e7oivent du sang artificiel dans un essai clinique &quot;sans pr\u00e9c\u00e9dent&quot; - Le Quotidien de Nouakchott<\/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:\/\/lequotidien.mr\/?p=236&lang=fr\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Des patients re\u00e7oivent du sang artificiel dans un essai clinique &quot;sans pr\u00e9c\u00e9dent&quot; - Le Quotidien de Nouakchott\" \/>\n<meta property=\"og:description\" content=\"Des chercheurs britanniques ont d\u00e9clar\u00e9 que plusieurs patients avaient re\u00e7u du sang cr\u00e9\u00e9 en laboratoire lors d&#8217;un essai clinique sans pr\u00e9c\u00e9dent. Ils utilisent des quantit\u00e9s infimes de sang artificiel &#8211; l&#8217;\u00e9quivalent de quelques cuill\u00e8res \u00e0 caf\u00e9 &#8211; pour voir comment il se comporte \u00e0 l&#8217;int\u00e9rieur du corps. 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