Des porcs génétiquement modifiés pour donner leurs organes aux humains

Des scientifiques créent des porcs génétiquement modifiés pour donner leurs organes aux hommes

Des scientifiques créent des porcs génétiquement modifiés pour donner leurs organes aux hommes

Vous ne le savez peut-être pas, mais le porc et l'être humain sont très proches génétiquement.

A lire aussi: Des babouins greffés avec des coeurs de porc survivent pendant 945 joursLa société privée eGenesis, fondée par les deux hommes, est ainsi parvenue à obtenir la naissance de 37 porcelets dont les organes seront potentiellement adéquats pour une xénotransplantation, une greffe à partir de donneurs animaux. Si les porcs sont déjà utilisés dans la transplantation de valves cardiaques ou de pancréas, cette avancée pourrait permettre d'utiliser des organes plus volumineux.

Si ces premiers travaux sont encourageants, les deux chercheurs veulent aller encore plus loin.

Toutefois, les cochons nécessitent d'autres modifications pour éviter d'autres dommages, comme le rejet par le système immunitaire humain.

Selon George Church and Luhan Yang, les premières transplantations des organes ainsi obtenus sur l'homme pourraient avoir lieu d'ici 2 à 3 ans. Seulement voilà: comme le rappelle le Huffington Post, les cochons "disposent dans leur génome" de plusieurs virus qui pourraient "être dangereux" pour les humains.

Aujourd'hui, 22 personnes meurent chaque jour aux Etats-Unis car ils étaient en attente d'un organe vital, "tandis que les organes porcins peuvent atteindre une taille idéale pour les humains", remarque Science.

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