To confirm that this replication restart mechanism is involved in the unrestrained replication fork progression observed in HRASV12- and cyclin E-overexpressing cells upon inactivation of fork reversal, we carried out a modified DNA fiber assay where cells were permeabilized after CldU/IdU labeling and then treated with S1 nuclease, which specifically cleaves single-stranded nucleic acids, including single-stranded regions of duplex DNA 41,42
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These contraindications and warnings are vital for minimizing the risks associated with methylene blue and ensuring patient safety
In addition to not getting enough vitamin B12 from food sources, some individuals (vegan, vegetarian, or otherwise) can have a digestive condition that inhibits the absorption of vitamin B12 from the gut