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Öğe ADMA and total oxidant status in saliva(Wiley-Blackwell, 2013) Unlu, A.; Taner, A.; Unlu, N.; Ure, Z.; Korucu, E. N.[Abstract Not Availabe]Öğe Effects of artemisinin and hydroxychloroquine on cytokines in experimental sepsis(Malaysian Soc Parasitology Tropical Medicine, 2022) Buyukcavlak, M.; Duman, I.; Eryavuz, O. D.; Unlu, A.; Duman, A.Pro-and anti-inflammatory cytokines mediate the inflammatory response in sepsis. Therefore, regulation of cytokines with medications in risky situations may protect the patients from sepsis. Hydroxychloroquine and artemisinin are antimalarial drugs with immunomodulatory properties. In this study, we intended to investigate the effects of artemisinin and hydroxychloroquine on the cytokines released during sepsis in the rat model. Twenty-four rats were randomized into four groups. The control group received oral saline, the sepsis group received oral saline and intraperitoneal lipopolysaccharide toxin (LPS), the artemisinin-treated sepsis group received oral 33.33 mg/kg of artemisinin, and the hydroxychloroquine-treated sepsis group received oral 33.33 mg/kg of hydroxychloroquine before LPS injection. Three hours later, serum cytokines were measured. An increase was detected in TNF-a, IL-1, and IL-6 levels in the sepsis group compared to the control (p<0.01). Oral pretreatment with artemisinin resulted in significant downregulation only of IL-1 levels (p<0.01). Cytokines IL-1 and IL-6 were significantly downregulated in the serum of LPS-induced rats pretreated with oral hydroxychloroquine than rats with sepsis (p<0.01). Decreases observed in TNF-a and IL-10 levels were insignificant. These results demonstrated that both artemisinin and hydroxychloroquine attenuate the release of pro-inflammatory cytokines three hours after LPS-induced sepsis in rats. A significant decrease was observed in serum IL-1 and IL-6 levels with hydroxychloroquine and IL-1 levels with artemisinin. Based on our findings, we suggest that the therapeutic potential of artemisinin and hydroxychloroquine may be beneficial in preventing cytokine storm during sepsis, and further research is needed to determine the optimal timing of administration.Öğe Protective effects of grape seed proanthocyanidin extract in experimental obstructive jaundice(Wiley-Blackwell, 2013) Vatansev, H.; Savda, M.; Akyurek, F.; Cakir, M.; Ozturk, B.; Unlu, A.[Abstract Not Availabe]
