{"id":12140,"date":"2021-09-20T10:15:48","date_gmt":"2021-09-20T10:15:48","guid":{"rendered":"https:\/\/www.africa-press.net\/niger\/politique\/maladie-dalzheimer-son-origine-enfin-decouverte"},"modified":"2021-09-20T13:35:14","modified_gmt":"2021-09-20T13:35:14","slug":"maladie-dalzheimer-son-origine-enfin-decouverte","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/niger\/toutes-les-actualites\/maladie-dalzheimer-son-origine-enfin-decouverte","title":{"rendered":"Maladie d\u2019Alzheimer : son origine enfin d\u00e9couverte ?"},"content":{"rendered":"

Africa-Press<\/a> – Niger<\/a>. <\/strong><\/span>La maladie d\u2019Alzheimer serait li\u00e9e \u00e0 la fuite du sang dans le cerveau de particules porteuses de graisse transportant des prot\u00e9ines toxiques.<\/p>\n

C\u2019est une d\u00e9couverte majeure qui vient d\u2019\u00eatre faite par l\u2019Universit\u00e9 Curtin (Australie). Les chercheurs ont identifi\u00e9 une cause probable de la maladie d\u2019Alzheimer. Les conclusions ont \u00e9t\u00e9 publi\u00e9es dans la revue PLOS Biology.<\/p>\n

Cette recherche a \u00e9t\u00e9 men\u00e9e sur des mod\u00e8les murins, les scientifiques ont identifi\u00e9 qu\u2019une cause probable de la maladie d\u2019Alzheimer serait la fuite du sang dans le cerveau de particules porteuses de graisse transportant des prot\u00e9ines toxiques. \u201cAlors que nous savions auparavant que la caract\u00e9ristique principale des personnes vivant avec la maladie d\u2019Alzheimer \u00e9tait l\u2019accumulation progressive de d\u00e9p\u00f4ts de prot\u00e9ines toxiques dans le cerveau appel\u00e9s b\u00eata-amylo\u00efde, les chercheurs ne savaient pas d\u2019o\u00f9 provenait l\u2019amylo\u00efde ni pourquoi il s\u2019\u00e9tait d\u00e9pos\u00e9 dans le cerveau\u201d, a expliqu\u00e9 le professeur John Mamo, chercheur principal du Curtin Health Innovation Research Institute (CHIRI).<\/p>\n

Une voie \u201csang-cerveau\u201d<\/b><\/p>\n

Avant d\u2019ajouter : \u201cNos recherches montrent que ces d\u00e9p\u00f4ts de prot\u00e9ines toxiques qui se forment dans le cerveau des personnes atteintes de la maladie d\u2019Alzheimer s\u2019infiltrent tr\u00e8s probablement dans le cerveau \u00e0 partir de particules transportant des graisses dans le sang, appel\u00e9es lipoprot\u00e9ines\u201d. La d\u00e9couverte de cette \u201cvoie sang-cerveau\u201d ouvre la possibilit\u00e9 de mettre en place un nouveau traitement. En effet, il serait alors possible de g\u00e9rer les niveaux sanguins de lipoprot\u00e9ines-amylo\u00efdes et emp\u00eacher leur fuite dans le cerveau.<\/p>\n

\u201cComme nous l\u2019avions pr\u00e9dit, l\u2019\u00e9tude a r\u00e9v\u00e9l\u00e9 que les mod\u00e8les murins produisant des lipoprot\u00e9ines-amylo\u00efdes dans le foie souffraient d\u2019inflammation dans le cerveau, d\u2019une mort acc\u00e9l\u00e9r\u00e9e des cellules c\u00e9r\u00e9brales et d\u2019une perte de m\u00e9moire. Cette d\u00e9couverte montre que l\u2019abondance de ces d\u00e9p\u00f4ts de prot\u00e9ines toxiques dans le sang pourrait potentiellement \u00eatre trait\u00e9e par le r\u00e9gime alimentaire d\u2019une personne et certains m\u00e9dicaments pourraient cibler sp\u00e9cifiquement les lipoprot\u00e9ines amylo\u00efdes, r\u00e9duisant ainsi leur risque ou ralentissant la progression de la maladie d\u2019Alzheimer\u201d, a soulign\u00e9 le chercheur. En France, 900 000 personnes sont touch\u00e9es par la maladie et 225 000 nouveaux cas sont diagnostiqu\u00e9s chaque ann\u00e9e.<\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Niger. La maladie d\u2019Alzheimer serait li\u00e9e \u00e0 la fuite du sang dans le cerveau de particules porteuses de graisse transportant des prot\u00e9ines toxiques. C\u2019est une d\u00e9couverte majeure qui vient d\u2019\u00eatre faite par l\u2019Universit\u00e9 Curtin (Australie). Les chercheurs ont identifi\u00e9 une cause probable de la maladie d\u2019Alzheimer. Les conclusions ont \u00e9t\u00e9 publi\u00e9es dans la […]<\/p>\n","protected":false},"author":82,"featured_media":12139,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,11,10],"tags":[55,60,572,571,29],"class_list":["post-12140","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-homepage-french","category-toutes-les-actualites","tag-africa-press","tag-africa-press-niger","tag-alzheimer","tag-maladie","tag-niger"],"yoast_head":"\nMaladie d\u2019Alzheimer : son origine enfin d\u00e9couverte ? - niger<\/title>\n<meta name=\"description\" content=\"La maladie d\u2019Alzheimer serait li\u00e9e \u00e0 la fuite du sang dans le cerveau de particules porteuses de graisse transportant de ...\" \/>\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\/niger\/toutes-les-actualites\/maladie-dalzheimer-son-origine-enfin-decouverte\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Maladie d\u2019Alzheimer : son origine enfin d\u00e9couverte ?\" \/>\n<meta property=\"og:description\" content=\"La maladie d\u2019Alzheimer serait li\u00e9e \u00e0 la fuite du sang dans le cerveau de particules porteuses de graisse transportant de ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/niger\/toutes-les-actualites\/maladie-dalzheimer-son-origine-enfin-decouverte\" \/>\n<meta property=\"og:site_name\" content=\"niger\" \/>\n<meta property=\"article:published_time\" content=\"2021-09-20T10:15:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-09-20T13:35:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/niger\/sites\/40\/2021\/09\/img-61486694ba9c0.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"720\" \/>\n\t<meta property=\"og:image:height\" content=\"543\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/niger\/toutes-les-actualites\/maladie-dalzheimer-son-origine-enfin-decouverte#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/niger\/toutes-les-actualites\/maladie-dalzheimer-son-origine-enfin-decouverte\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/niger\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Maladie d\u2019Alzheimer : son origine enfin d\u00e9couverte ?\",\"datePublished\":\"2021-09-20T10:15:48+00:00\",\"dateModified\":\"2021-09-20T13:35:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/niger\/toutes-les-actualites\/maladie-dalzheimer-son-origine-enfin-decouverte\"},\"wordCount\":415,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/niger\/toutes-les-actualites\/maladie-dalzheimer-son-origine-enfin-decouverte#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/niger\/sites\/40\/2021\/09\/img-61486694ba9c0.jpg\",\"keywords\":[\"Africa Press\",\"Africa Press-Niger\",\"Alzheimer\",\"Maladie\",\"Niger\"],\"articleSection\":[\"Divers\",\"homepage-french\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/niger\/toutes-les-actualites\/maladie-dalzheimer-son-origine-enfin-decouverte#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/niger\/toutes-les-actualites\/maladie-dalzheimer-son-origine-enfin-decouverte\",\"url\":\"https:\/\/www.africa-press.net\/niger\/toutes-les-actualites\/maladie-dalzheimer-son-origine-enfin-decouverte\",\"name\":\"Maladie d\u2019Alzheimer : son origine enfin d\u00e9couverte ? 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