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Little is known about the protein complexes required for microRNA formation and function. Here we used native gel electrophoresis to identify miRNA ribonucleoprotein complexes (miRNPs) in Caenorhabditis elegans. Our data reveal multiple distinct miRNPs that assemble on the let-7 miRNA in vitro. The formation of these complexes is affected but not abolished… (More)
RNAi is routinely used to eliminate gene activity for experimental purposes. However, the precise molecular mechanism of RNAi is unknown. Recent papers partially illuminate this mechanism in human cells, advancing the potential application of RNAi toward the treatment of human disease.