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Showing 2 results for Yahyaei

Dr Behrooz Yahyaei, Dr Mahnaz Nouri, Dr Hamid Matmir,
Volume 6, Issue 1 (3-2018)

Background and objectives: Anabolic steroids are routinely consumed by athletes. Therefore, this study was conducted to investigate the effect of Boldenone (BOL) on testicular tissue and the healing effect of jujube (Ziziphus jujuba) hydroalcoholic extract in addition to physical exercise.
Methods: In the present case–control study, 42 male wistar rats were purchased and divided into 3 experimental groups. 28 rats were subjected to BOL injection and subsequently divided into 4 groups. The control group, Sham and 8-week BOL group which was also divided into 4 subsequent groups of controlling BOL complications after 8 weeks, untreated control, jujube extract and jujube extract along with physical exercise.
Results: In the present study we found that jujube extract exerted healing effects on all groups pf treated rats in addition to the exercise training groups.
Conclusion: Jujube extract along with physical exercise may exert healing effects on testicular tissue after administration of anabolic BOL steroid.
Behrooz Yahyaei, Shirin Varmazyar,
Volume 9, Issue 2 (5-2021)

Background and Objective: This study was conducted aimed to compare effects of Methylphenidate and endurance exercise on histopathological changes in brain tissue of male Wistar rats with attention deficit hyperactivity disorder (ADHD).
Material and Methods: In this study, 33 rats were divided into a control group (5 rats) and 4 experimental groups (28 rats) and 10 mg/kg of L-NAME (L-Arginine Methyl Ester) was injected peritoneally for 8 weeks for 6 days a week. Rats that tested positive for open test were used. Balance and motor coordination tests were taken after 8 weeks of training using Beam Walking or Balance Test. The drug group was given 1 mg per kg of Methylphenidate orally. The rats in the exercise group trained 30 minutes a day and 7 days a week for 4 weeks. Open Field Test was used to diagnose hyperactivity. 5-band treadmill was used for doing endurance exercise.
Results: The results of the present study show that the effect of exercise on reducing histopathological changes in brain tissue in neonatal rats with ADHD is present. Therefore, it can be stated that exercise can be an alternative to the drugs such as methylphenidate.
Conclusion: According to the studyresults, the effect of exercise alone to methylphenidate is greater on brain tissue changes. Although the drug has been more effective on improving some variables such as changes in gray matter, it has not reduced neuronal changes, congestion and inflammation not seen in the exercise group. Also, the study results of simultaneous drug use and exercise are satisfactory.

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