Antimutagenic activities of naturally occurring polyamines in Chinese hamster ovary cell in vitro
- Univ. La Sapienza, Rome (Italy)
Spermine and spermidine, ubiquitous polyamines present in bacteria and animal cells, are also involved in cell growth. Since they interact with the double helix, they can stabilize the DNA molecule. Recent evidence of the antimutagenic and anticarcinogenic capacity of spermine has focused attention on the he mechanism(s) by which such agents can protect cells from induced damages. In the present paper the authors show the ability of spermine and spermidine to decrease the level of sister chromatid exchanges induced in Chinese hamster ovary cells cultivated in vitro, by treating them with Psoralen + UVA irradiation (able to induce mainly monoadducts and DNA cross-links). Two different mechanisms of polyamine action can be invoked to explain the preservative activity of this class of agents.
- OSTI ID:
- 6053696
- Journal Information:
- Environmental and Molecular Mutagenesis; (United States), Vol. 18:3; ISSN 0893-6692
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
AMINES
BIOLOGICAL EFFECTS
SISTER CHROMATID EXCHANGES
MUTATION FREQUENCY
CHO CELLS
EXTREME ULTRAVIOLET RADIATION
GENETIC RADIATION EFFECTS
PSORALEN
SPERMIDINE
SPERMINE
ANIMAL CELLS
ANTICOAGULANTS
BIOLOGICAL RADIATION EFFECTS
CHROMOSOMAL ABERRATIONS
COUMARINS
DRUGS
ELECTROMAGNETIC RADIATION
GENETIC EFFECTS
HEMATOLOGIC AGENTS
HETEROCYCLIC COMPOUNDS
MUTATIONS
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
RADIATION EFFECTS
RADIATIONS
ULTRAVIOLET RADIATION
560120* - Radiation Effects on Biochemicals
Cells
& Tissue Culture
560300 - Chemicals Metabolism & Toxicology