Browsing by Author "Yayla, M."
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TRDizin Effects of gossypin on acetaminophen-induced hepatotoxicity in mice(2024) Çınar, İ.; Yayla, M.; Toktay, E.; Binnetoğlu, D.Liver injury from paracetamol (acetaminophen) (APAP) is common worldwide. To prevent intoxication with a drug with high poisoning, treatment can be made possible with an easily accessible and harmless substance. This study aimed to investigate the hepatoprotective ef-fects of Gossypin (GOS) in mice exposed to an overdose of APAP -the possible mechanism of action. Specifically, serum [alanine aminotransferase (ALT), aspartate transaminase (AST), and hepatic biochemical parameters (glutathione (GSH), malondialdehyde (MDA) and super-oxide dismutase (SOD)] were evaluated. Protein and mRNA levels of inflammatory, apoptot-ic, and cytochrome factors, including TNF-α, IL-1β, IL-6, NF-kB, and CYP2E1, were ana-lyzed using real-time PCR. Pretreatment with GOS significantly reduced APAP-induced he-patic injury via oxidative stress. Along with potent antioxidant activity, GOS promoted APAP hepatic detoxification by regulating AST, ALT, GSH, MDA, and SOD activities and mRNA levels of the cytochrome CYP2E1 gene. The anti-inflammatory activity of GOS in-creases its production. TNF-α, IL-1β and IL-6, through possible NF-kB blockade, are also responsible for its hepatoprotective effect. Taken together, GOS has the potential to be devel-oped as a preventive agent to be administered to patients suffering from APAP overdose.Web of Science Effects of gossypin on acetaminophen-induced hepatotoxicity in mice(2024.01.01) Cinar, I.; Yayla, M.; Toktay, E.; Binnetoglu, D.Liver injury from paracetamol (acetaminophen) (APAP) is common worldwide. To prevent intoxication with a drug with high poisoning, treatment can be made possible with an easily accessible and harmless substance. This study aimed to investigate the hepatoprotective effects of Gossypin (GOS) in mice exposed to an overdose of APAP -the possible mechanism of action. Specifically, serum [alanine aminotransferase (ALT), aspartate transaminase (AST), and hepatic biochemical parameters (glutathione (GSH), malondialdehyde (MDA) and superoxide dismutase (SOD)] were evaluated. Protein and mRNA levels of inflammatory, apoptotic, and cytochrome factors, including TNF-alpha, IL-1 beta, IL -6, NFkB, and CYP2E1, were analyzed using real-time PCR. Pretreatment with GOS significantly reduced APAP-induced hepatic injury via oxidative stress. Along with potent antioxidant activity, GOS promoted APAP hepatic detoxification by regulating AST, ALT, GSH, MDA, and SOD activities and mRNA levels of the cytochrome CYP2E1 gene. The anti-inflammatory activity of GOS increases its production. TNF-alpha, IL-1 beta and IL -6, through possible NF-kB blockade, are also responsible for its hepatoprotective effect. Taken together, GOS has the potential to be developed as a preventive agent to be administered to patients suffering from APAP overdose.TRDizin In vitro Evaluation of the Effects of Inula viscosa’s Different Extracts on Wound Healing and Oxidative Stress in Mouse L929 Fibroblast Cell Line(2024) Harmankaya, A.; Çınar, İ.; Yayla, M.; Harmankaya, S.; Beytur, M.; Öziç, C.This study evaluated the effects of extracts prepared using two different methods (decoction extraction and soxhlet ethyl acetate/hexane extraction) from Inula viscosa on H2O2-induced oxidative stress and wound healing model in mouse L929 fibroblast cells. The cytotoxic effect started to disappear statistically (p<0.05) at concentrations of Soxhlet ethyl acetate/hexane extracts (SoxEHE) in and below 0.1 mg/ mL, while the same effect was observed at concentrations of decoction extracts (DE) in and below 0.2 mg/mL. Therefore, 0.2 and 0.02 mg/ mL concentrations of DE, and 0.1 and 0.01 mg/mL concentrations of SoxEHEs were used. While cell migration was positively affected in all research concentrations, statistically significant results (p<0.05) were obtained from 0.2 mg/mL of DE and 0.1 mg/mL of SoxEHE extracts. Malondialdehyde (MDA) levels were found to be statistically (p <0.05) decreased, but COL1A1 levels were higher in cell lines treated with oxidative stress + extract than in the cell line treated only with H2O2, and reduced glutathione (GSH) levels were higher in cell lines only treated only with extract than in oxidative stress-induced cell lines. Consequently, it has been observed that the extracts have positive effects on migration and oxidative stress. T herefore, I. viscosa may serve as a new therapeutic agent for wound healing.