{"id":7381,"date":"2018-03-15T15:12:56","date_gmt":"2018-03-15T14:12:56","guid":{"rendered":"http:\/\/zavnews.net\/?p=7381"},"modified":"2018-03-15T15:12:56","modified_gmt":"2018-03-15T14:12:56","slug":"editovanje-gena-protiv-svih-bolesti","status":"publish","type":"post","link":"https:\/\/zavnews.net\/index.php\/2018\/03\/15\/editovanje-gena-protiv-svih-bolesti\/","title":{"rendered":"Editovanje gena protiv svih bolesti"},"content":{"rendered":"
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U posljednjih nekoliko decenija puno se pri\u010da o genetskom in\u017eenjeringu na ljudima, a nau\u010dnici su ve\u0107 vi\u0161e puta objavljivali razna istra\u017eivanja koja se bave tematikom koja u javnosti stvara vrlo podijeljena mi\u0161ljenja. Dok jedni podr\u017eavaju razvoj genetskih manipulacija kao metodu koja \u0107e stvoriti \u010dovje\u010danstvo dugog \u017eivotnog vijeka li\u0161enog bolesti, drugi u tome vide opasnost igranja protiv prirodnih (ili bo\u017eijih) zakona, kao i opasnost da nestane razli\u010ditost koja nas definira kao vrstu.<\/strong><\/p>\n

Ne ulaze\u0107i u moralnu i eti\u010dku problematiku genetskog in\u017eenjeringa na ljudima, nau\u010dnici Univerziteta u Massachusettsu, odlu\u010dili su demonstrirati kako bi genetski in\u017eenjering jednog dana mogao funkcionisati u borbi protiv bolesti.<\/p>\n

Oni su stoga u publikaciji Molecular Therapy, prezentirali rezultate svojih istra\u017eivanja, odnosno metodu kojom su editovanjem gena uklonili facijalnu muskularnu distrofiju.<\/strong><\/p>\n

Ta tehnika pod nazivom CRISPR (Clusters of Regularly Interspaced Short Palindromic Repeats), uklju\u010duje zamjenu odgovornog gena i \u201cisklju\u010divanje\u201d bolesti. Metoda uklju\u010duje slanje mje\u0161avine proteina i RNK koji se ve\u017eu na gen, te ga \u201cpopravljaju\u201d.<\/strong><\/p>\n

Valja naglasiti da CRISPR nisu proveli nad stvarnim ljudima, kao i da tehnika ne mo\u017ee garantovati da \u0107e funkcionisati u slu\u010daju svake bolesti. Pored toga, inicijalni testovi su ukazali na djelotvornost od samo 50 posto, \u0161to zna\u010di da je ovo jo\u0161 uvijek daleko od scenarija zdravog dugovje\u010dnog \u010dovje\u010danstva iz SF-a, no predstavlja veliki korak ka tom smjeru.<\/p>\n

Gledaju\u0107i u malo dalju budu\u0107nost, takva bi tehnologija mogla u potpunosti transformisati medicinu. Doktori bi mogli lije\u010diti genetske bolesti u korijenu umjesto da se bave simptomima, te jednog dana doslovce ukloniti sve bolesti, ili barem ve\u0107inu njih, \u010dime bismo postali doista neka vrsta nadljudi u odnosu na ono \u0161to smo sada.<\/p>\n

Dakako, kao \u0161to nas upozorava SF literatura, takva tehnologija otvara mnoga moralna, eti\u010dka, dru\u0161tvena, pa \u010dak i politi\u010dka pitanja, no kao i uvijek do sada, nauku ne mo\u017eete zaustaviti, ve\u0107 samo nau\u010diti \u017eivjeti uz nju.<\/p>\n

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  U posljednjih nekoliko decenija puno se pri\u010da o genetskom in\u017eenjeringu na ljudima, a nau\u010dnici su ve\u0107 vi\u0161e puta objavljivali razna istra\u017eivanja koja se bave tematikom koja u javnosti stvara vrlo podijeljena mi\u0161ljenja. Dok jedni podr\u017eavaju razvoj genetskih manipulacija kao…<\/p>\n

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