Oamenii de știință de la Centrul de Cercetări Fred Hutchinson, din Seattle, Statele Unite, au reuşit să modifice genetic aşa numitele celule T, care luptă cu infecţiile. Acestea sunt prelevate din sângele pacientului, după care sunt modificate astfel încât să depisteze şi să distrugă aproape în întregime celulele canceroase.
„Revoluţionar este că am demonstrat că putem lua celule T de la pacient şi le putem reprograma astfel încât să depisteze cancerul. Eficienţa vine din faptul că, spre deosebire de chimioterapie, care distruge celulele canceroase în evoluţie, acum introducem în organism o „terapie vie”, care poate lupta cu forţe egale cu celulele canceroase,” explică Stanley Riddel, profesor Centrul de Cercetări Fred Hutchinson din Seattle, SUA.
Pentru introducerea în organism a celulelor modificate este nevoie de o singură intervenţie medicală. La nouă din 10 pacienţi cu forme severe de leucemie, simptomele bolii au dispărut complet. Experţii americani spun că în cazul acestor pacienţi niciun tratament încercat până acum nu a dat rezultate.
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