Table 2.

Lead Accumulation in Kidney from WT and MT-Null Mice (μg/g Wet Weight)

Mouse strain	Lead dose (ppm, p.o.)
	0	1000	2000
WT	N.D.	10.9 ± 0.3	14.4 ± 0.3
MT-null	N.D.	8.9 ± 0.2*	11.0 ± 0.7*

WT and MT-null mice were given lead p.o. at 0, 1000, or 2000 ppm for 10 weeks, renal lead levels were measured by AAS. Data given as the mean ± SEM (n = 10).

*Significant (P < 0.05) difference from appropriate dose-matched WT mice.

N.D., not detectable.