{"id":71489,"date":"2025-09-30T12:00:00","date_gmt":"2025-09-30T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/identification-de-marqueurs-genetiques-du-begaiement"},"modified":"2025-10-04T01:53:34","modified_gmt":"2025-10-04T01:53:34","slug":"identification-de-marqueurs-genetiques-du-begaiement","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/identification-de-marqueurs-genetiques-du-begaiement","title":{"rendered":"Identification de Marqueurs G\u00e9n\u00e9tiques du B\u00e9gaiement"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Senegal. <\/strong><\/span>Un risque plus e\u0301leve\u0301 de be\u0301gaiement chez l\u2019adulte est associe\u0301 a\u0300 des dizaines de marqueurs ge\u0301ne\u0301tiques inde\u0301pendants, re\u0301ve\u0300le une tre\u0300s vaste e\u0301tude ame\u0301ricaine publie\u0301e dans la revue Nature Genetics par des chercheurs ame\u0301ricains.<\/p>\n<p>Le be\u0301gaiement de\u0301veloppemental, trouble moteur du langage apparaissant chez le jeune enfant, se caracte\u0301rise par un blocage de la prononciation spontane\u0301e des syllabes, leur re\u0301pe\u0301tition et leur prolongation. Il affecterait pre\u0300s de 1% de la population mondiale, s\u2019ave\u0300re plus fre\u0301quent dans certaines familles et peut le plus souvent e\u0302tre ame\u0301liore\u0301, voire corrige\u0301, par une re\u0301e\u0301ducation orthophonique.<\/p>\n<p><b>48 ge\u0300nes associe\u0301s au be\u0301gaiement<\/b><\/p>\n<p>Jusqu\u2019a\u0300 pre\u0301sent, seuls six cas familiaux de be\u0301gaiement cause\u0301s par une mutation dans six ge\u0300nes diffe\u0301rents ont e\u0301te\u0301 identifie\u0301s, mais ces cas restent isole\u0301s. Pour e\u0301largir leur recherche, les chercheurs ont compare\u0301 les ge\u0301nomes de pre\u0300s de 100 000 adultes be\u0301gayeurs a\u0300 ceux d\u2019un million de personnes te\u0301moins issus de la banque ge\u0301ne\u0301tique 23andMe.<\/p>\n<p>Ils ont pu ainsi identifier 48 ge\u0300nes associe\u0301s au be\u0301gaiement, dans les populations d\u2019origine europe\u0301enne, dont 20 en relation avec le fonctionnement ce\u0301re\u0301bral. Deux de ces ge\u0300nes ont de\u0301ja\u0300 e\u0301te\u0301 associe\u0301s a\u0300 des troubles de la perception du rythme qui se retrouvent souvent chez les personnes qui be\u0301gaient.<\/p>\n<p><b>Des ge\u0300nes distincts chez les femmes<\/b><\/p>\n<p>D\u2019autres ge\u0300nes sont aussi associe\u0301s a\u0300 l\u2019autisme, a\u0300 la de\u0301pression et a\u0300 des troubles du sommeil, e\u0301galement plus fre\u0301quents chez ces personnes. Le be\u0301gaiement chez la femme, qui correspond a\u0300 20% des cas, a e\u0301te\u0301 trouve\u0301 associe\u0301 a\u0300 des ge\u0300nes distincts et semble donc favorise\u0301 par d\u2019autres facteurs neuroge\u0301ne\u0301tiques.<\/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><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Senegal. Un risque plus e\u0301leve\u0301 de be\u0301gaiement chez l\u2019adulte est associe\u0301 a\u0300 des dizaines de marqueurs ge\u0301ne\u0301tiques inde\u0301pendants, re\u0301ve\u0300le une tre\u0300s vaste e\u0301tude ame\u0301ricaine publie\u0301e dans la revue Nature Genetics par des chercheurs ame\u0301ricains. Le be\u0301gaiement de\u0301veloppemental, trouble moteur du langage apparaissant chez le jeune enfant, se caracte\u0301rise par un blocage de la [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":71488,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-71489","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>Identification de Marqueurs G\u00e9n\u00e9tiques du B\u00e9gaiement - Senegal<\/title>\n<meta name=\"description\" content=\"Un risque plus e\u0301leve\u0301 de be\u0301gaiement chez l\u2019adulte est associe\u0301 a\u0300 des dizaines de marqueurs ge\u0301ne\u0301tiques inde\u0301pendants ...\" \/>\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\/toutes-les-actualites\/identification-de-marqueurs-genetiques-du-begaiement\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Identification de Marqueurs G\u00e9n\u00e9tiques du B\u00e9gaiement\" \/>\n<meta property=\"og:description\" content=\"Un risque plus e\u0301leve\u0301 de be\u0301gaiement chez l\u2019adulte est associe\u0301 a\u0300 des dizaines de marqueurs ge\u0301ne\u0301tiques inde\u0301pendants ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/identification-de-marqueurs-genetiques-du-begaiement\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-30T12:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-04T01:53:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/10\/sm_1759571408.988353.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\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\/senegal\/toutes-les-actualites\/identification-de-marqueurs-genetiques-du-begaiement#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/identification-de-marqueurs-genetiques-du-begaiement\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Identification de Marqueurs G\u00e9n\u00e9tiques du B\u00e9gaiement\",\"datePublished\":\"2025-09-30T12:00:00+00:00\",\"dateModified\":\"2025-10-04T01:53:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/identification-de-marqueurs-genetiques-du-begaiement\"},\"wordCount\":341,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/identification-de-marqueurs-genetiques-du-begaiement#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/10\/sm_1759571408.988353.jpg\",\"keywords\":[\"Senegal\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/identification-de-marqueurs-genetiques-du-begaiement#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/identification-de-marqueurs-genetiques-du-begaiement\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/identification-de-marqueurs-genetiques-du-begaiement\",\"name\":\"Identification de Marqueurs G\u00e9n\u00e9tiques du B\u00e9gaiement - 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