{"id":356508,"date":"2020-07-15T17:36:37","date_gmt":"2020-07-15T14:36:37","guid":{"rendered":"https:\/\/kinsta.unitedwithisrael.org\/?p=356508"},"modified":"2020-07-16T12:06:30","modified_gmt":"2020-07-16T09:06:30","slug":"israel-invente-une-cornee-artificielle-qui-promet-de-permettre-a-des-millions-daveugles-de-retrouver-la-vue","status":"publish","type":"post","link":"https:\/\/kinsta.unitedwithisrael.org\/fr\/israel-invente-une-cornee-artificielle-qui-promet-de-permettre-a-des-millions-daveugles-de-retrouver-la-vue\/","title":{"rendered":"Isra\u00ebl invente une corn\u00e9e artificielle qui promet de permettre \u00e0 des millions d’aveugles de retrouver la vue"},"content":{"rendered":"

La proc\u00e9dure isra\u00e9lienne utilise une nanotechnologie cellulaire avanc\u00e9e qui pourrait r\u00e9volutionner les greffes de corn\u00e9e pour rendre la vue \u00e0 des millions de personnes.<\/strong><\/em><\/p>\n

Par Yakir Benzion, Unis avec Isra\u00ebl<\/em><\/p>\n

Une corn\u00e9e artificielle d\u00e9velopp\u00e9e par Isra\u00ebl est sur le point de r\u00e9volutionner le monde des greffes de corn\u00e9e, a annonc\u00e9 cette semaine la soci\u00e9t\u00e9 de biotechnologie CorNeat.<\/p>\n

Avec plus de 44000 greffes de corn\u00e9e effectu\u00e9es chaque ann\u00e9e aux \u00c9tats-Unis, il s’agit de la greffe humaine la plus courante apr\u00e8s un don de sang. Cependant, avec l’\u00e9mergence des nouvelles craintes li\u00e9es la transmission du virus de la pand\u00e9mie de COVID-19 affectant tout ce qui concerne les tissus humains, la nouvelle corn\u00e9e artificielle de CorNeat surmonte ce probl\u00e8me et la soci\u00e9t\u00e9 a re\u00e7u l’approbation pour commencer des essais sur l’homme.<\/p>\n

La corn\u00e9e d\u00e9signe la couche externe claire \u00e0 l’avant de l’\u0153il qui aide l’\u0153il \u00e0 concentrer la lumi\u00e8re pour que nous puissions voir. Trop souvent, la corn\u00e9e est endommag\u00e9e et cesse de laisser passer la lumi\u00e8re, mais elle peut \u00eatre remplac\u00e9e et des transplantations corn\u00e9ennes sont pratiqu\u00e9es depuis plus d’un si\u00e8cle.<\/p>\n

Les greffes humaines ne prennent pas toujours, donc CorNeat a d\u00e9velopp\u00e9 la premi\u00e8re corn\u00e9e synth\u00e9tique qui \u00ab\u00a0bio-int\u00e8gre\u00a0\u00bb la paroi oculaire. Bien qu’il existe trois autres types de corn\u00e9es artificielles, le nouvel implant KPro est con\u00e7u pour remplacer les corn\u00e9es d\u00e9form\u00e9es ou marqu\u00e9es qui devenues opaques. On s’attend \u00e0 ce que ce type de corn\u00e9e artificielle r\u00e9habilite enti\u00e8rement la vision des patients corn\u00e9ens aveugles imm\u00e9diatement apr\u00e8s l’implant.<\/p>\n

Les tests sur l’homme commenceront cette ann\u00e9e en Isra\u00ebl avec 10 patients aveugles qui, pour diverses raisons, ne sont pas candidats \u00e0 une greffe de corn\u00e9e ou qui ont subi une ou plusieurs transplantations corn\u00e9ennes humaines ayant \u00e9chou\u00e9. Des tests suppl\u00e9mentaires auront lieu plus tard cette ann\u00e9e dans huit grands h\u00f4pitaux, dont le Canada et les \u00c9tats-Unis.<\/p>\n

Les chercheurs de CorNeat ont d\u00e9velopp\u00e9 une technique par laquelle la corn\u00e9e artificielle s’int\u00e8gre avec le tissu oculaire r\u00e9sident en utilisant un nouveau mat\u00e9riau de nano-tissu synth\u00e9tique non d\u00e9gradable brevet\u00e9.<\/p>\n

\u00ab\u00a0Apr\u00e8s des tests pr\u00e9cliniques rigoureux et des essais sur animaux r\u00e9ussis, nous sommes confiants pour continuer \u00e0 prouver l’innocuit\u00e9 et l’efficacit\u00e9 de notre appareil chez l’Homme<\/em>\u00ab\u00a0, a d\u00e9clar\u00e9 le Dr Gilad Litvin, inventeur de KPro, m\u00e9decin-chef de CorNeat Vision. \u00ab\u00a0La proc\u00e9dure d’implant de notre dispositif … ne repose pas sur le tissu du donneur, est relativement simple et prend moins d’une heure \u00e0 effectuer.<\/em>\u00a0\u00bb<\/p>\n

\u00ab\u00a0Nous esp\u00e9rons que cela permettra \u00e0 des millions de patients aveugles dans le monde, m\u00eame dans les r\u00e9gions o\u00f9 il n’y a pas de pratique corn\u00e9enne ni de culture de don d’organes, de retrouver la vue<\/em>\u00ab\u00a0, a d\u00e9clar\u00e9 Litvin.<\/p>\n

Le professeur David Rootman, un ophtalmologiste canadien de renomm\u00e9e mondiale qui a form\u00e9 pr\u00e8s d’une centaine de sp\u00e9cialistes de la corn\u00e9e dans le monde, a d\u00e9clar\u00e9 que le nouveau dispositif \u00ab\u00a0\u00e9tait sur le point de r\u00e9volutionner la transplantation corn\u00e9enne\u00a0\u00bb.<\/em><\/p>\n

Rootman a d\u00e9clar\u00e9 que la nouvelle corn\u00e9e artificielle poss\u00e9dait une qualit\u00e9 optique sup\u00e9rieure et une m\u00e9thode d’implantation simple. Il s’attend \u00e0 ce que cela r\u00e9duise l’utilisation des corn\u00e9es humaines donn\u00e9es une fois que les essais auront prouv\u00e9 que cela fonctionne.<\/p>\n

\u00ab\u00a0Cette nouvelle solution est enti\u00e8rement synth\u00e9tique et ne d\u00e9pend pas de tissus de donneurs qui peuvent \u00eatre porteurs d’un virus ou de toute autre maladie – un facteur de diff\u00e9renciation cl\u00e9 pendant cette crise du COVID-19 qui a eu un impact consid\u00e9rable sur la disponibilit\u00e9 des tissus corn\u00e9ens\u00a0\u00bb<\/em>, a d\u00e9clar\u00e9 Rootman.<\/p>\n

 <\/p>\n

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La proc\u00e9dure isra\u00e9lienne utilise une nanotechnologie cellulaire avanc\u00e9e qui pourrait r\u00e9volutionner les greffes de corn\u00e9e pour rendre la vue \u00e0 des millions de personnes. Par Yakir Benzion, Unis avec Isra\u00ebl Une corn\u00e9e artificielle d\u00e9velopp\u00e9e par Isra\u00ebl est sur le point de r\u00e9volutionner le monde des greffes de corn\u00e9e, a annonc\u00e9 cette semaine la soci\u00e9t\u00e9 de… Read more »<\/a><\/p>\n","protected":false},"author":4242,"featured_media":356517,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[28418],"tags":[35723,37534,37034,34248,29798,37111,29313,29783],"class_list":["post-356508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-israeliennes","tag-aveugles","tag-cornee","tag-implant","tag-innovation-fr","tag-medecine","tag-oeil","tag-recherche","tag-sante"],"better_featured_image":{"id":356517,"alt_text":"","caption":"Shutterstock","description":"","media_type":"image","media_details":{"width":2560,"height":1440,"file":"2020\/07\/shutterstock_1639125220-scaled.jpg","sizes":{"medium":{"file":"shutterstock_1639125220-300x169.jpg","width":300,"height":169,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-300x169.jpg"},"large":{"file":"shutterstock_1639125220-1024x576.jpg","width":1024,"height":576,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-1024x576.jpg"},"thumbnail":{"file":"shutterstock_1639125220-150x150.jpg","width":150,"height":150,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-150x150.jpg"},"medium_large":{"file":"shutterstock_1639125220-768x432.jpg","width":768,"height":432,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-768x432.jpg"},"1536x1536":{"file":"shutterstock_1639125220-1536x864.jpg","width":1536,"height":864,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-1536x864.jpg"},"2048x2048":{"file":"shutterstock_1639125220-2048x1152.jpg","width":2048,"height":1152,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-2048x1152.jpg"},"uwi-full-width":{"file":"shutterstock_1639125220-780x439.jpg","width":780,"height":439,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-780x439.jpg"},"uwi-featured-carousel":{"file":"shutterstock_1639125220-890x400.jpg","width":890,"height":400,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-890x400.jpg"},"uwi-featured-content":{"file":"shutterstock_1639125220-290x160.jpg","width":290,"height":160,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-290x160.jpg"},"uwi-content-loop":{"file":"shutterstock_1639125220-190x190.jpg","width":190,"height":190,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-190x190.jpg"},"uwi-category_list":{"file":"shutterstock_1639125220-180x100.jpg","width":180,"height":100,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-180x100.jpg"},"uwi-tiny":{"file":"shutterstock_1639125220-40x40.jpg","width":40,"height":40,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-40x40.jpg"},"uwi-email-featured":{"file":"shutterstock_1639125220-250x170.jpg","width":250,"height":170,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-250x170.jpg"},"uwi-email":{"file":"shutterstock_1639125220-200x140.jpg","width":200,"height":140,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-200x140.jpg"},"uwi-iphone":{"file":"shutterstock_1639125220-960x640.jpg","width":960,"height":640,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-960x640.jpg"},"uwi-iphone-x2":{"file":"shutterstock_1639125220-1136x640.jpg","width":1136,"height":640,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-1136x640.jpg"},"uwi-ipad":{"file":"shutterstock_1639125220-1024x768.jpg","width":1024,"height":768,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/07\/shutterstock_1639125220-1024x768.jpg"},"uwi-ipad-x2":{"file":"shutterstock_1639125220-2048x1536.jpg"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