Table 3

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

Parameter


GROUP

Norepinephrine

Dopamine

Serotonin


Control

0.54 ± 0.066

1.82 ± 0.125

0.65 ± 0.12


Leaded gasoline

0.23 ± 0.035 a***

1.53 ± 0.29 a*

0.4 ± 0.15 a**


Unleaded gasoline

0.25 ± 0.12 a***

1.02 ± 0.11 a*** b**

0.39 ± 0.077 a**


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

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