Abstract:Since mitochondrial factors have been implicated in apoptosis, experiments were designed to assess whether or not the potent mitochondrial nuclease could be one of these factors. Nuclei isolated by two different methods were found to contain mitochondrial nuclease in masked form. This nuclease was released by treatment with the non-ionic detergent NP-40 and rendered trypsin-sensitive. It was not removed appreciably from the nuclei by washing and sedimentation of the nuclei through a sucrose cushion. Levels of … Show more
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