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

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AX5-86<br />

Compound<br />

Table AX5-6.6. Genotoxic/Carcinogenic Effects <strong>of</strong> <strong>Lead</strong>—Genotoxicity Human Cell Cultures Clastogenicity<br />

Assay (Concentration<br />

and Exposure Time)<br />

Pb chromate Chromosome aberrations<br />

(0.08–2 µg/cm 2 <strong>for</strong> 24 h)<br />

Pb chromate Chromosome aberrations<br />

(0.1–5 µg/cm 2 <strong>for</strong> 24 h)<br />

Pb chromate Chromosome aberrations<br />

(0.1–5 µg/cm 2 <strong>for</strong> 24 h)<br />

Pb chromate Chromosome aberrations<br />

(0.1–5 µg/cm 2 <strong>for</strong> 24 h)<br />

Pb chromate Chromosome aberrations<br />

(0.05–5 µg/cm 2 <strong>for</strong> 24 h)<br />

Pb chromate Chromosome aberrations<br />

(0.05–5 µg/cm 2 <strong>for</strong> 24 h)<br />

Cell Type and Culture<br />

Medium Co-exposure Effects Reference<br />

Human Foreskin Fibroblasts<br />

(Caucasian) in EMEM + 15% FBS<br />

Primary Human Lung Cells in<br />

DMEM/F12 + 15% FBS<br />

Primary Human Lung Cells and<br />

WTHBF-6—human lung cells with<br />

hTERT in DMEM/F12 + 15% FBS<br />

WTHBF-6—human lung cells with<br />

hTERT in DMEM/F12 + 15% CCS<br />

WTHBF-6—human lung cells with<br />

hTERT in DMEM/F12 + 15% CCS<br />

WTHBF-6—human lung cells with<br />

hTERT in DMEM/F12 + 15% CCS<br />

Vitamin C<br />

(2 mM<br />

co-exposure<br />

<strong>for</strong> 24 h)<br />

None Pb chromate induced chromosome damage in a<br />

concentration dependent manner.<br />

This study was focused on chromate.<br />

None Pb chromate induced chromosome damage in a<br />

concentration dependent manner.<br />

This study was focused on chromate.<br />

None Pb chromate induced chromosome damage in a<br />

concentration dependent manner. Effects were similar in<br />

both cell types establishing the WTHBF-6 cells as a useful<br />

model.<br />

This study was focused on chromate.<br />

Vitamin C<br />

(2 mM<br />

co-exposure<br />

<strong>for</strong> 24 h)<br />

Pb chromate induced chromosome damage in a<br />

concentration dependent manner.<br />

Vitamin C blocked Cr ion uptake and the chromosome<br />

damage after Pb chromate exposure.<br />

This study was focused on chromate.<br />

Pb chromate induced chromosome damage in a<br />

concentration dependent manner.<br />

This study was focused on showing chromate and not Pb<br />

ions were the clastogenic species.<br />

None Pb chromate induced chromosome damage in a<br />

concentration dependent manner.<br />

This study was focused on comparing particulate chromate<br />

compounds.<br />

Wise et al.<br />

(1992)<br />

Wise et al.<br />

(2002)<br />

Wise et al.,<br />

(2004a)<br />

Xie et al. (2004)<br />

Wise et al.<br />

(2004b)<br />

Wise et al.<br />

(2005)

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