Table 2

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

Parameter


GROUP

Norepinephrine

Dopamine

Serotonin


Control

0.115 ± 0.031

2.68 ± 0.27

0.822 ± 0.047


Leaded gasoline

0.11 ± 0.013

1.136 ± 0.29 a***

0.50 ± 0.075 a***


Unleaded gasoline

0.076 ± 0.0038 a** b**

1.61 ± 0.28 a*** b*

0.49 ± 0.13 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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