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Un uomo, rimasto paralizzato dal petto in giù dopo essere stato accoltellato, ha recuperato la sensibilità e il controllo dei muscoli, tanto da poter pedale su uno speciale triciclo, dopo che gli sono state iniettate nel midollo spinale cellule prelevate dal naso.
Il risultato, di cui dà notizia la rivista Cell Transplantation, è stato ottenuto in Polonia da una squadra di chirurghi locali e britannici. Al paziente è stato dapprima rimosso uno dei bulbi olfattivi, preziosi perché contengono cellule specializzate che consentono al sistema di cui sono al servizio di rinnovarsi costantemente, quindi s'è proceduto all'iniezione unitamente all'innesto di fibre di tessuto nervoso prelevate dalla caviglia; queste ultime capaci di rigenerare il midollo e riparare la lesione.
La tecnica verrà nuovamente sperimentata prossimamente su altri due volontari.
ANSA/dg
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