Table 4

Effect of chronic exposure to two types of gasoline vapour on the content of monoamines (μg/g) in the cerebellum of male rats

Parameter

GROUP

Norepinephrine

Dopamine

Serotonin

Control

0.376 ± 0.07

1.45 ± 0.12

0.80 ± 0.115

Leaded gasoline

0.47 ± 0.086 a*

1.71 ± 0.14 a*

0.60 ± 0.043 a**

Unleaded gasoline

0.41 ± 0.036

1.35 ± 0.24 b**

0.385 ± 0.057 a*** b**

Values are expressed as means ± SD

a: significantly different from the control group.

b: significantly different from the leaded gasoline.

Asterisks indicate the level of significance (* P < 0.05; ** P 0.01; *** P < 0.001.)

The number of animals in each experimental group was 6.

Kinawy BMC Physiology 2009 9:21   doi:10.1186/1472-6793-9-21