Group Parameter
Human subjects
Experimental animals
Control Lead exposed Control
Low dose exposure (2000 ppm)
High dose exposure
(4000 ppm)
Pb (µg/g Hb) 9.83 ± 1.06 68.94a ± 10.95 14.5 ± 2.6 23.16a ± 2 47.6a,b ± 6.5
Zn (µg/dl) 210.1 ± 19.15 88.19a ± 18.3 768 ± 88.3 333a ± 103.8 133a,b ± 16.9
Fe (µg/dl) 63.12 ± 6.7 31.60a ± 12.1 78.7 ± 3.5 48.5a ± 4.4 20.8a,b ± 7.3
Results are presented as means ± SD (n=8 for each mice group and 15 for human group)
a=Significant difference (P<0.05) comparing to the normal control group (mice or human)
b=Significant difference (P<0.05) comparing to2000 ppm lead acetate (low dose) group
Table 4: Lead RBCs concentration and plasma, Zn and Fe in control and different lead exposed human subjects and mice.
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