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Bioactive compounds, antibacterial and antifungal activities of two Cirsium species

100%
Gulen D., Sabudak T., Orak H. H., Caliskan H., Ozer M.
Acta Scientiarum Polonorum. Hortorum Cultus
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2019
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tom 18
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nr 5
In the GC-MS analysis, 81 bioactive phytochemical compounds were identified in hexane extracts of Cirsium creticum and Cirsium italicum. Terpenoids constituted the main fractions of C. italicum (70.95%), while hydrocarbons were most abundant compounds of C. creticum (41.11%). The antibacterial activity and antifungal activity of extracts from two Cirsium species was tested using microdilution methods. According to the results of antibacterial activity, the highest inhibition effect of C. creticum was found on B. subtilis, E. coli and P. aeruginosa. The highest inhibition effect of C. italicum was found on B. subtilis. In the results of antifungal activity, the highest inhibition effect of C. creticum was found on P. chrysogenum and the highest inhibition effect of C. italicum was found on C. krusei. The present work is the first report on hexane extracts compounds of two Cirsium species as well as antibacterial and antifungal activities.
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Aerobic exercise has an anxiolytic effect on streptozotocin‑induced diabetic rats

86%
Caliskan H., Akat F., Omercioglu G., Bastug G., Ficicilar H., Bastug M.
Acta Neurobiologiae Experimentalis
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2020
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tom 80
|
nr 3
Diabetes is a metabolic disorder characterized by hyperglycemia and impaired insulin secretion or action. Psychological comorbidities, such as depression and anxiety, are more common in people with diabetes. Exercise results in anxiolytic effects, as demonstrated in numerous studies. This study aims to evaluate potential anxiolytic effects of aerobic exercise in streptozotocin (STZ)‑induced diabetes. Male Wistar albino rats (n=40) were randomly divided into four groups of control, exercise, diabetes, and diabetes + exercise. Diabetes was induced with a single i.p. injection of STZ. The incremental load test was applied to exercise groups to determine maximal exercise capacity. Rats exercised on a treadmill at 70% of their maximal capacity for 45 min, five days per week for 12 weeks. On the day after the last exercise session the open field test and elevated plus maze test were carried out. Diabetes caused an increase in anxiety level, reflected in stretch‑attend posture, self‑grooming behaviors, and freezing time, with no significant changes for other behavioral parameters. Training normalized diabetes‑induced deteriorations and also induced a significant anxiolytic effect both on diabetic and non‑diabetic rats. This effect was observed for all behavioral parameters. The results of the open field test and elevated plus maze were consistent. The current results demonstrated a slight increase in anxiety with diabetes and a prominent anxiolytic effect of aerobic exercise. Considering the conflicting results in exercise‑anxiety studies, this study highlights the importance of individually designed exercise protocols.
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