Abstract
In this report we will describe the effect of exercising (6 days, each day 3 separate training phases of 5 minutes each, on an adapted treadmill at 1.0 m/s) on oxidative stress status from the temporal lobe (expressed through 3 main parameters: superoxide dismutase (SOD), glutathione peroxidase (GPX) and malondialdehyde (MDA), as a marker of lipid peroxidation) and pain (as determined through 2 specific behavioural tasks such as hot plate test for the supraspinal acute thermal pain and the intra abdominal Zymosan administration for eliciting a local inflammatory reaction following responses to inflammatory visceral pain) in a rat valproic-acid induced perinatal model of autism, also trying to emphasize a possible implication of oxytocin in this complex pathological picture. We demonstrated here an increased oxidative stress status, as a result of treadmill exercising, in a VPA rat induced model of autism, as demonstrated mainly by a significant decrease in the specific activity of SOD (for the exercised VPA female rats), as well as a significant decrease of GPX specific activity in the male VPA exercised rats, when compared to non-exercised VPA groups, as well as the fact that the aforementioned series of exercises did not resulted in any changes of the pain perception of this rat models of autism, as studied in 2 pain-related behavioural tasks, independent to the gender of the rats with VPA model of autism.
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