{"id":65993,"date":"2025-03-09T12:00:00","date_gmt":"2025-03-09T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/deces-de-james-harrison-heros-des-dons-de-sang"},"modified":"2025-03-09T12:00:00","modified_gmt":"2025-03-09T12:00:00","slug":"deces-de-james-harrison-heros-des-dons-de-sang","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/deces-de-james-harrison-heros-des-dons-de-sang","title":{"rendered":"D\u00e9c\u00e8s de James Harrison, H\u00e9ros des Dons de Sang"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Senegal. <\/strong><\/span>Il e\u0301tait pour l\u2019Australie \u00ab l\u2019homme au bras d\u2019or \u00bb: James Harrison, l\u2019un des donneurs de sang les plus prolifiques au monde, est de\u0301ce\u0301de\u0301 a\u0300 l\u2019a\u0302ge de 88 ans dans son sommeil le 17 fe\u0301vrier 2025, a annonce\u0301 sa famille aupre\u0300s de la BBC. En 2018, l\u2019Australian Red Cross Blood Service lui rendait officiellement hommage pour son nombre hallucinant de dons: 1.173 ! Un record mondial qu\u2019il a de\u0301tenu jusqu\u2019en 2022, lorsqu\u2019il a e\u0301te\u0301 de\u0301passe\u0301 par un homme aux E\u0301tats-Unis, selon la BBC.<\/p>\n<p><b>Des anticorps rares qui ont permis de sauver 2,4 millions de be\u0301be\u0301s<\/b><\/p>\n<p>L\u2019histoire de cet Australien est touchante. A l\u2019a\u0302ge de 14 ans, James Harrison a subi une importante chirurgie thoracique le rendant de\u0301pendant de transfusions sanguines pour survivre. C\u2019est a\u0300 ce moment qu\u2019il promet de faire a\u0300 son tour don de son sang une fois majeur. Une promesse qu\u2019il a tenue quatre ans plus tard, lorsqu\u2019il devient un donneur re\u0301gulier. Tre\u0300s re\u0301gulier me\u0302me, puisqu\u2019a\u0300 raison de 1.173 dons en 60 ans, il a donne\u0301 en moyenne tous les 19 jours !<\/p>\n<p>C\u2019est encore une de\u0301cennie apre\u0300s qu\u2019il apprend que son sang, et en particulier son plasma, contient un anticorps rare et important ne\u0301cessaire aux injections anti-D, administre\u0301es aux me\u0300res dont le sang risque d\u2019attaquer leurs be\u0301be\u0301s a\u0300 nai\u0302tre. James Harrison passe alors au don de plasma, qui permet de sauver 2,4 millions de be\u0301be\u0301s australiens, dont son propre petit-fils, puisque sa fille a aussi be\u0301ne\u0301ficie\u0301 des injections anti-D.<\/p>\n<p>Surnomme\u0301 \u00ab l\u2019homme au bras d\u2019or \u00bb car il a toujours donne\u0301 par son bras droit qu\u2019il dit moins sensible, James Harrison avait rec\u0327u la me\u0301daille de l\u2019Ordre de l\u2019Australie pour son soutien incroyable et continu au service du sang et au programme anti-D en 1999.<\/p>\n<p><b>17% des femmes enceintes ont besoin d\u2019un vaccin anti-D pour prote\u0301ger leur be\u0301be\u0301<\/b><\/p>\n<p>Lorsque les globules rouges d\u2019une personne ont a\u0300 leur surface le marqueur Rhe\u0301sus D, on la dit Rhe\u0301sus D positive (Rh(D)+). Sinon, on la dit Rhe\u0301sus D ne\u0301gative (Rh(D)-). Ces marqueurs sont he\u0301re\u0301ditaires, tout comme les groupes sanguins. Mais lorsqu\u2019une femme enceinte Rh(D)- attend un f\u0153tus qui a he\u0301rite\u0301 du marqueur Rh(D)+ par son pe\u0300re, elle peut de\u0301velopper des anticorps contre les globules rouges du futur be\u0301be\u0301 si certains passent dans son propre sang. Les anticorps de la me\u0300re provoquent alors une maladie he\u0301molytique, c\u2019est-a\u0300-dire la destruction des globules rouges du f\u0153tus par le syste\u0300me immunitaire maternel, qui peut entrainer la mort de l\u2019enfant a\u0300 nai\u0302tre ou de se\u0301ve\u0300res dommages ce\u0301re\u0301braux.<\/p>\n<p>Pour e\u0301viter cela, il faut administrer a\u0300 la femme enceinte de l\u2019anti-D, c\u2019est-a\u0300-dire une injection contenant des anticorps qui vont se fixer sur les globules rouges Rh(D)+ du f\u0153tus pre\u0301sents dans la circulation maternelle avant que son syste\u0300me immunitaire n\u2019ait eu le temps d\u2019entrer en action. Ce traitement fonctionne dans 99% des cas, a\u0300 condition que les anticorps soient en nombre suffisant.<\/p>\n<p>Or, ces injections sont compose\u0301es du plasma des donneurs. \u00ab Tre\u0300s peu de gens ont ces anticorps et ils sont tre\u0300s forts chez James, son corps en produit beaucoup et quand il donne, son corps en produit plus. C\u2019est ce qui en fait un cas tre\u0300s spe\u0301cial \u00bb, a de\u0301clare\u0301 Jemma Falkenmire, porte-parole de la Croix Rouge australienne, en 2015 au Sydney Morning Herald. Les scientifiques ignorent encore comment le sang de James Harrison est devenu si riche en anti-D, mais certains travaux sugge\u0300rent que cela pourrait e\u0302tre lie\u0301 a\u0300 la transfusion sanguine importante qu\u2019il a rec\u0327ue a\u0300 14 ans, indique la BBC.<\/p>\n<p>Environ 150 autres donneurs participent a\u0300 la collecte de plasma anti-D, mais aucun ne semble aussi riche en anticorps que James Harrison. Environ 17% des femmes enceintes ont besoin d\u2019un vaccin anti-D pour prote\u0301ger leur be\u0301be\u0301, \u00ab et chaque lot d\u2019anti-D fabrique\u0301 en Australie contient du sang de M. Harrison \u00bb, e\u0301crivait le journal australien. Ce sont plus de 3 millions de doses d\u2019Anti-D contenant du plasma de James Harrison qui ont e\u0301te\u0301 administre\u0301es aux me\u0300res australiennes depuis 1967.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">Senegal<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<span style=\"color: #ff6600\"><\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Senegal. Il e\u0301tait pour l\u2019Australie \u00ab l\u2019homme au bras d\u2019or \u00bb: James Harrison, l\u2019un des donneurs de sang les plus prolifiques au monde, est de\u0301ce\u0301de\u0301 a\u0300 l\u2019a\u0302ge de 88 ans dans son sommeil le 17 fe\u0301vrier 2025, a annonce\u0301 sa famille aupre\u0300s de la BBC. En 2018, l\u2019Australian Red Cross Blood Service lui [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":65992,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-65993","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>D\u00e9c\u00e8s de James Harrison, H\u00e9ros des Dons de Sang - Senegal<\/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:\/\/www.africa-press.net\/senegal\/politique\/deces-de-james-harrison-heros-des-dons-de-sang\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9c\u00e8s de James Harrison, H\u00e9ros des Dons de Sang\" \/>\n<meta property=\"og:description\" content=\"Africa-Press &#8211; Senegal. Il e\u0301tait pour l\u2019Australie \u00ab l\u2019homme au bras d\u2019or \u00bb: James Harrison, l\u2019un des donneurs de sang les plus prolifiques au monde, est de\u0301ce\u0301de\u0301 a\u0300 l\u2019a\u0302ge de 88 ans dans son sommeil le 17 fe\u0301vrier 2025, a annonce\u0301 sa famille aupre\u0300s de la BBC. En 2018, l\u2019Australian Red Cross Blood Service lui [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/politique\/deces-de-james-harrison-heros-des-dons-de-sang\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2025-03-09T12:00:00+00:00\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/politique\/deces-de-james-harrison-heros-des-dons-de-sang#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/politique\/deces-de-james-harrison-heros-des-dons-de-sang\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"D\u00e9c\u00e8s de James Harrison, H\u00e9ros des Dons de Sang\",\"datePublished\":\"2025-03-09T12:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/politique\/deces-de-james-harrison-heros-des-dons-de-sang\"},\"wordCount\":772,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/politique\/deces-de-james-harrison-heros-des-dons-de-sang#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/03\/sm_1741581542.998052.jpg\",\"keywords\":[\"Senegal\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/senegal\/politique\/deces-de-james-harrison-heros-des-dons-de-sang#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/politique\/deces-de-james-harrison-heros-des-dons-de-sang\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/politique\/deces-de-james-harrison-heros-des-dons-de-sang\",\"name\":\"D\u00e9c\u00e8s de James Harrison, H\u00e9ros des Dons de Sang - 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