Cercetatorii si medicii romani pregatesc un proiect revolutionar pentru medicina romaneasca: transplantul de organe de la porc la om. Metoda, controversata in lume, ar rezolva problemele a sute de persoane care stau la coada pentru un transplant.
Medicii si cercetatorii romani cred ca este posibila realizarea si in Romania a acestor xenotransplanturi, cum sunt numite de lumea medicala. Pentru aceasta, insa, printre altele, este nevoie de o ferma unde animalele, modificate genetic, sa traiasca intr-un mediu complet steril.
Dupa o perioada de tatonare, proiectul cercetatorilor romani a prins contur, ei reusind sa atraga atentia autoritatilor si, in aceste zile, se vor intalni cu specialistii straini pentru realizarea unor colaborari in domeniu.
Cercetatorii romani sunt entuziasti si spera ca, daca proiectul lor va fi inclus in bugetul pe anul viitor, vor reusi sa deschida ferma in circa doi ani. Primii porci modificati genetic, special pentru astfel de transplanturi, vor fi cumparati din strainatate.
Dupa ce la inceputul secolului se faceau experimente pe babuini, s-a descoperit ca porcul este animalul cel mai compatibil cu omul pentru prelevarea de organe in vederea unor transplanturi.
„Am dori foarte mult ca Romania sa reprezinte un pionierat in explozia aceasta de binefacere pentru om, avand avantajul ca la orice ora din zi si din noapte exista o banca de organe vii”, a declarat profesorul doctor Ion Miclaus, directorul Centrului de Cercetare pentru Medicina Comparata.
Animalele trebuie mai intai „umanizate”
Ca sa pacaleasca sistemul imunitar al omului, cercetatorii au incercat sa modifice genetic porcii, adica sa-i umanizeze. Acest lucru s-a intamplat pentru prima oara in 1992 si, de atunci, in Statele Unite, Anglia, Danemarca si Germania s-au construit zeci de ferme de porci transgenetici, unde animalele sunt tinute intr-un mediu complet steril. In lume se folosesc deja, in medicina umana, valvele de la inimile porcilor, pielea, oasele si chiar insulina obtinuta de la porci si vaci. Din pacate, riscul infectarii cu diferite virusuri n-a fost complet eliminat, asa ca ideea de transplant de la animal la om creeaza inca o multime de controverse.
In afara de bariera stiintifica, pe care cercetatorii incearca sa o depaseasca, exista si retineri de ordin religios si etic.
Transplantul de la animal la om ar putea rezolva lipsa acuta de organe pentru transplant, la nivel mondial. Boli ca Alzheimer, SIDA, epilepsie, diabet, sau cancer si-ar putea, de asemenea, gasi antidotul o data cu realizarea xenotransplantului. (Mediafax)
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