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Copyright of Journal of Health Science Yuksek Ihtisas University / Yüksek İhtisas Üniversitesi Sağlık Bilimleri Dergisi is the property of Journal of Health Science Yuksek Ihtisas University and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective: Migraine is a common disease in childhood. Oxidative stress has been implicated in the pathogenesis of migraine. Dynamic thiol/disulfide homeostasis is proven to be a marker of oxidative stress. We aimed to investigate the correlation between migraine and dynamic thiol/disulfide homeostasis. Material and Methods: A total of 141 children (71 migrain and 70 controls) were included. The serum total thiol, native thiol, and disulfide levels were measured and the ratios of disulfide/native thiol, disulfide/total thiol and native thiol/total thiol were compared between migraine patients and healthy children during attack-free period. Results: Native thiol levels and native thiol/total thiol ratio were significantly lower in the migraine group than the control group (p=0.022, p=0.005, respectively); whereas disulfide levels, disulfide/native thiol and disulfide/total thiol ratios were significantly higher in the migraine group than the control group (p=0.039, p=0.022, p=0.005 respectively). Conclusion: Our results demonstrate that there is an ongoing oxidative process in pediatric migraineurs even during attack-free period. This result may shed light on further studies analyzing dynamic changes in the oxidant-antioxidant balance during the attack and the aura phase to support the presence and importance of oxidative stress in pediatric migraine. [ABSTRACT FROM AUTHOR]

Copyright of Ahi Evran Medical Journal is the property of Ahi Evran University and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Background: In this study, it was aimed to compare the oxidative stress levels of individuals who do bodybuilding exercises, normal weight sedentary, overweight and obese individuals and nor- mal weight individuals who do regular physical exercise. Materials and Methods: 122 male volunteers aged between 18-45 years were included in the study. Participants were divided into 4 different groups according to the type of exercise they were interested in and their Body Mass Index. Oxidative stress levels in individuals doing bodybu- ilding exercises were compared with sedentary normal weight, obese individuals and normal we- ight individuals doing regular physical exercise. Serum thiol-disulfide parameters were measured to determine oxidative stress levels. Results: It was observed that dynamic thiol / disulfide homeostasis was achieved in participants with normal weight and regular exercise, but dynamic thiol / disulfide homeostasis was impaired in the group doing bodybuilding exercise. Conclusions: The results of the experiment show that we should avoid heavy exercises such as bodybuilding, and that regular and normal exercises should be encouraged. [ABSTRACT FROM AUTHOR]

The aim of this study was firstly to determine the relationship between estrous cycle and oxidative stress in reproductive tissues in bitches. This research was performed in twenty-nine healthy bitches from different breeds and of varied ages (the range was 2-5 years) that were brought to the clinic for routine ovariohysterectomy. The stages of estrous cycle were detected using by vaginal cytology, blood progesterone level and histological findings. Ovarian, oviduct and uterine tissues were taken into Eppendorf tubes for oxidative stress index and stored at -80°C until analyses. Also, another part of these tissues were fixed in 10% formalin solution. There were no significant differences (P > 0.05) among total antioxidant status (TAS), total oxidant status (TOS) and oxidative stress index (OSI) values in the reproductive tissues in concerning estrous cycle stages. However, there were remarkable correlations between oxidative stress parameters and reproductive tissues in different estrus stages in bitches. In conclusion, the physiological values of TAS and TOS concentration, and OSI in the ovarian, oviduct and uterine tissues during estrous cycle were firstly defined in this article. The serum thiol/disulphide homeostasis was also determined in the estrous cycle of bitches. We have found that there are remarkable variations of oxidative stress balance in the ovary, oviduct and uterus concurrently, during estrous cycle in the bitches. Besides, significant correlations between oxidative stress parameters and estrous cycle stages in the reproductive tissues were observed in the present study. [ABSTRACT FROM AUTHOR]