Assertion: stem cell's use | /r/CapableOf | confirm the suspicion
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text: The use of fluorescence-activated cell sorting to identify G 0 cells, which are characterized by a high DNA to RNA ratio relative to G 1 cells, confirmed the suspicion that cyclin C promotes G 0 exit as repression of endogenous cyclin C by RNAi in mammalian cells increased the proportion of cells arrested in G 0 .