Abstract:
:Oxidative stress is involved in a multitude of pathological conditions. In the present study, cell cycle arrest was demonstrated in monolayer cultures of Chinese hamster ovary cells subjected to low-level oxidative stress induced by the addition of hydrogen peroxide. Fluorescence-activated cell sorting analysis characterized this arrest as occurring in both the G1 and G2/M phases of the cell cycle. Upon exposure to oxidative stress, cells in G1 arrest in G1, while S-phase cells complete DNA synthesis and subsequently arrest in G2/M. Nitroxide spin labels with differing permeabilities are able to protect the cells, which suggests that both the G1 and the G2/M arrest involve oxidation of targets located at the cell surface.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Clopton DA,Saltman Pdoi
10.1006/bbrc.1995.1645subject
Has Abstractpub_date
1995-05-05 00:00:00pages
189-96issue
1eissn
0006-291Xissn
1090-2104pii
S0006-291X(85)71645-2journal_volume
210pub_type
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