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D that volatile solvents such as benzene, a main constituent of gasoline fuel, seems to interact with the synthesis and catabolism of catecholamines and serotonin in the brain, which might explain the neurotoxic effects of these solvents [53]. In this regard, deficiencies of serotonin or other monoamine neurotransmitters such as dopamine and norepinephrine are linked with depression [54,55]. In re
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Ed as means ?SD a: significantly different from the control group. b: significantly different from the leaded gasoline. Asterisks indicate the level of significance (* P
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Nnervations reaches out to the hypothalamus to regulate secretion of TRH and prolactin secretion, and then projects to the brain limbic system to modulate motivations and emotions [47]. So, gasoline induced impairment of the DA system would result in serious impacts on the neural control of voluntary locomotion and would affect several behavioural aspects.In the present study, the norepinephrine l
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Ither the leaded or unleaded group as compared with the control. On the contrary, dopamine was elevated in the cerebellum of leaded exposed group above both the unleaded gasoline and control. The fluctuations in the levels of dopamine in different brain areas may be related to the effects MMT which is an organic manganese (Mn) compound added to unleaded gasoline and the mechanisms of Mn neurotoxic
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Nnervations reaches out to the hypothalamus to regulate secretion of TRH and prolactin secretion, and then projects to the brain limbic system to modulate motivations and emotions [47]. So, gasoline induced impairment of the DA system would result in serious impacts on the neural control of voluntary locomotion and would affect several behavioural aspects.In the present study, the norepinephrine l
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Terbalance the tendency of two other major neurotransmitters in the brain dopamine and noradrenaline to encourage overarousal, fear, anger, tension, aggression, violence, obsessive-compulsive actions, overeating, anxiety and sleep disturbances [60].Page 8 of(page number not for citation purposes)BMC Physiology 2009, 9:http://www.biomedcentral.com/1472-6793/9/ConclusionThe present results revealed
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N male rats.Parameter Duration of aggression/sec GROUP Control Leaded gasoline Unleaded gasoline Tooth chattering 0.9 ?0.23 4.7 ?1.1 a** 4.4 ?0.92 a* Threat posture 1.5 ?0.54 6 ?1.2 a* 6.2 ?1.31 a* Leaping and biting 1.9 ?0.72 5.5 ?1.45 5.9 ?1.50 Boxing position 1 ?0.42 2.2 ?0.63 2.2 ?0.Values are expressed as means ?SE a: significantly different from the control group. Asterisks indicate the leve
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Ial indicate that Na+, K+-ATPase activity and total protein content in the leaded or unleaded gasoline groups were lower than those of the control group. The inhibition of the plasma membrane Na+, K+-ATPase might have been attributed to a direct effect of the solvents and alcohols in the gasoline on the membrane causing dissolving the its bilayers. The most outstanding are toluene (highly lipophyl