{"id":33174,"date":"2025-04-18T04:24:07","date_gmt":"2025-04-18T04:24:07","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/33174\/"},"modified":"2025-04-18T04:24:07","modified_gmt":"2025-04-18T04:24:07","slug":"pour-soigner-la-maladie-de-parkinson-une-piste-se-precise","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/33174\/","title":{"rendered":"pour soigner la maladie de Parkinson, une piste se pr\u00e9cise"},"content":{"rendered":"

Par C\u00e9cile Thibert<\/a><\/p>\n

\n Publi\u00e9
\n le 17 avril 2025 \u00e0 16h57,
\n mis \u00e0 jour le 17 avril 2025 \u00e0 18h46<\/p>\n

En France, environ 175.000 personnes sont touch\u00e9es par la maladie de Parkinson.
\n Dmitry Volochek \/ DedMityay – stock.adobe.com<\/p>\n

Deux \u00e9quipes ind\u00e9pendantes ont r\u00e9ussi \u00e0 greffer des cellules productrices de dopamine dans le cerveau d\u2019une dizaine de patients, sans effets ind\u00e9sirables graves.<\/p>\n

Remplacer des neurones d\u00e9truits par des neurones tout neufs, inject\u00e9s directement dans le cerveau de malades\u00a0atteints de Parkinson<\/a>, telle est la prouesse r\u00e9alis\u00e9e par deux \u00e9quipes de recherche, l\u2019une aux \u00c9tats-Unis et au Canada, l\u2019autre au Japon. Elles viennent simultan\u00e9ment de publier leurs travaux dans la prestigieuse revue Nature. Si l\u2019id\u00e9e semble simple en apparence, les scientifiques ont d\u00fb surmonter de nombreux d\u00e9fis techniques pour y parvenir. Leurs exp\u00e9riences, men\u00e9es sur un petit nombre de patients, respectivement 12 et 7, montrent d\u2019une part que ce traitement ne pr\u00e9sente pas de risque, mais semblent aussi confirmer qu\u2019il r\u00e9duit les sympt\u00f4mes de la maladie.<\/p>\n

Pour le moment, le traitement de r\u00e9f\u00e9rence de la maladie de Parkinson est la L-dopa. Il s\u2019agit d\u2019un m\u00e9dicament qui, une fois arriv\u00e9 dans le cerveau, se transforme en dopamine. Ce neurotransmetteur (substance qui permet aux neurones de \u00ab\u00a0communiquer\u00a0\u00bb entre eux) est impliqu\u00e9 dans de multiples t\u00e2ches, comme les mouvements\u2026<\/p>\n

\n Cet article est r\u00e9serv\u00e9 aux abonn\u00e9s. Il vous reste 84% \u00e0 d\u00e9couvrir.\n <\/p>\n

\"Le<\/p>\n

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