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

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AX5-89<br />

Table AX5-6.7 (cont’d). Genotoxic/Carcinogenic Effects <strong>of</strong> <strong>Lead</strong>—Genotoxicity Human Cell Cultures DNA Damage<br />

Compound<br />

Assay (Concentration and<br />

Exposure Time)<br />

Pb nitrate DNA-protein crosslinks by<br />

SDS precipitation<br />

(1–10 mM <strong>for</strong> 6 h)<br />

Cell Type and<br />

Culture Medium Co-exposure Effects Reference<br />

Human Burkitt’s<br />

lymphoma cells–EBV<br />

trans<strong>for</strong>med in RPMI<br />

1640 + 10% FCS<br />

Abbreviations<br />

hTERT is the catalytic subunit <strong>of</strong> human telomerase.<br />

Medium and Components<br />

AMEM—Alpha Minimal Essential Medium;<br />

EMEM—Eagle’s Minimal Essential Medium;<br />

DMEM/F12—Dulbecco’s Minimal Essential Medium/Ham’s F12;<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 />

None Pb nitrate did not induced DNA protein crosslinks. Independent<br />

samples were analyzed by 5 different laboratories.<br />

Costa et al.<br />

(1996)

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