Published in Gene Therapy Weekly, October 30th, 2003
"RNA interference (RNAi) is mediated by small interfering (si) RNAs that target and degrade mRNA in a sequence-specific manner," scientists in Rhode Island explained. "Cellular expression of siRNA can be achieved by the use of expression cassettes driven by RNA polymerase III (pol III) promoters."
In a recent study, D. Boden and colleagues at Brown University found that "a modified tRNA(met)-derived (MTD) promoter effectively drives the cellular expression of HIV-1-specific siRNA."
"We observed up to 56% greater inhibition of virus production when the MTD promoter was used...
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