total descendants::5 total children::1 |
a nejde o nanoboty, iba o nanocastice kt. sa viazu na receptory na povrchu nadorovych buniek, aby si to niekto nepredstavoval ako male kovove pavuciky :) Ide o nanocastice, ktore sa samo-zostavia zo styroch nanokomponentov do pozadovanej konfiguracie. Ja (a nielen ja) by som to nanobotom nazval. To, ze to nie su male pavuciky neznamena ze to nie su nanoboty. zatial sa im iba podarilo dopravit siRNA do spravnych buniek a znizit koncentraciu toho enzymu co chceli Hned prvy odstavec z tlacovej spravy hovori nieco ovela radikalnejsie: "...the first proof that a targeted nanoparticle [...] can traffic into tumors, deliver double-stranded small interfering RNAs (siRNAs), and turn off an important cancer gene..." dalej potom: "Even better, Davis says, the evidence showed the siRNAs had done their job. In the tumor cells analyzed by the researchers, the mRNA encoding the cell-growth protein ribonucleotide reductase had been degraded. To vsetko znie uplne inak nez 'znizenie koncentracie nejakeho enzymu'. Z toho co rozumiem sa mi zda, ze problem s genovou terapiou by mohol byt skor v cielenim - je treba trafit presnu sekvenciu genov a neviem, ci k tomu potrebuju osobitne spravit geneticky obraz rakovinovych buniek kazdeho pacienta a potom osobitne pre neho pripravit nanocastice s RNA inhibitorom. To je zrejme velmi draha vec. |
| |||||||||||||||||||||||