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Air Quality Criteria for Lead Volume II of II - (NEPIS)(EPA) - US ...

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AX5-96<br />

Table AX5-6.10 (cont’d). Genotoxic/Carcinogenic Effects <strong>of</strong> <strong>Lead</strong>—Genotoxicity Animal Cell Cultures DNA Damage<br />

Compound Assay (Concentration and<br />

Exposure Time)<br />

Pb nitrate DNA strand breaks as nick<br />

translation (1700 µM <strong>for</strong> 5 days)<br />

Abbreviations<br />

G12–CHV79 are derived from V79;<br />

V79 are a Chinese Hamster Lung Cell Line;<br />

CHO are a Chinese Hamster Ovary Cell Line ;<br />

Cell Type and Culture<br />

Medium Co-exposure Effects Reference<br />

G12–CHV79 cells with 1 copy<br />

gpt gene in Ham’s F12 + 5%<br />

FBS<br />

See also Table<br />

AX5-6.17<br />

Medium and Components<br />

AMEM—Alpha Minimal Essential Medium;<br />

FBS—Fetal Bovine Serum<br />

FCS—Fetal Calf Serum<br />

Differences between the serum types are unclear as insufficient details are provided by authors to distinguish.<br />

Pb nitrate (1700 µM) did increase nick translation when an<br />

exogenous polymerase was added. There were no statistical<br />

analyses <strong>of</strong> these data.<br />

Roy and Rossman<br />

(1992)

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