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Öğe Preliminary study on the impact of 900 MHz radiation on human sperm: an in vitro molecular approach(2024) Keskin, İlknur; Karabulut, Seda; Kaplan, Arife Ahsen; Alagöz, Murat; Akdeniz, Muhterem; Tüfekçi, Kıymet Kübra; Kaplan, SüleymanThe use of technologies that produce and emit electromagnetic fields (EMF) is growing exponentially worldwide. The biological effects of EMF-emitting equipment, such as mobile phones and other wireless devices, have been studied in the last decade using in vitro and in vivo methods. Infertility is a growing health problem, and nearly half of cases are because of male-factor. This study investigated the direct in vitro effects of 900 MHz radiation exposure on sperm parameters, genetic status, apoptotic markers, and the PI3K/AKT signaling pathway in healthy normozoospermic men. Semen samples were divided into four groups, two control (30 min and 1 h) and two EMF exposure (30 min and 1 h). Sperm parameters (motility, progressive motility, acrosomal index, morphology), genetic status (DNA fragmentation and chromatin integrity), apoptotic markers (cytokine-c and caspase-3 expression) and the PI3K/AKT signaling pathway (phosphoinoitide 3-kinase-PI3K- and phosphorylated AKT- p-AKT-) were analysed. Sperm motility were significantly reduced in 30 min EMF exposure while a significant increase in the expression of p-AKT were observed in 1 h EMF exposure group. An increased vacuolisation, acrosomal defect, extension of subacrosomal space, uncondensed chromatin structure, apoptotic signs and disrupted axoneme were observed in both EMF groups which were not observed in the control group. Other sperm parameters (morphology and acrosomal index), genetic status, apoptotic markers and the PI3K expression rates had no significant change.Öğe In vivo wound-healing and in vitro antibacterial and antioxidant of Carduus extract(Marmara University, 2023) Şakul, Ayşe Arzu; Ayla, Şule; Okur, Mehmet Evren; Karadağ, Ayşe Esra; Daylan, Benay; Güzel, Elif; Özdemir, Ekrem Musa; Günal, Mehmet YalçınCarduus adpressus has been used for its anti-hair loss effect in traditional folk medicine. The plant species is mainly distributed in Turkiye, Bulgaria, and the Western Caucasus. The studies on this specific plant in the genus Carduus is limited which remarks the significance of the current study. This study aims to investigate the antibacterial, antioxidant, and wound-healing properties of the methanolic extract of Carduus adpressus. Extract was obtained by maceration. The broth microdilution assay was performed on Staphylococcus aureus, Enterococcus faecalis, Pseudomonas aeruginosa, and Escherichia coli. DPPH and ABTS radical scavenging assays were performed to detect the antioxidant capacity. Wound-healing activity was tested using alloxan-induced diabetic BALB-c mice. 4 groups, control, vehicle, CAE and Carduus adpressus groups were treated with the relative agent for 10 days. Extract demonstrated 62.5 mu g/mL MIC against S. aureus and E. faecalis, and 125 mu g/mL MIC against P. aeruginosa and E. coli. ABTS assay showed higher antioxidant activity compared to the DPPH assay. Carduus adpressus group demonstrated strong regeneration, epithelisation, and angiogenesis compared to the control group on day 10. Additionally, expression of PDGF, VEGF, and collagen formation was increased in the Carduus adpressus group compared to the control group on day 10. Extract demonstrated strong antibacterial, antioxidant, and wound-healing activities which indicate that it could be a source in developing wound-healing agents.Öğe Wound healing activity of arum maculatum(Istanbul Medeniyet University, 2023) Arzu Şakul, Ayşe; Okur, Mehmet Evren; Ayla, Şule; Daylan, Benay; Karadağ, Ayşe Esra; Batur, Şebnem; Özdemir, Ekrem Musa; Altınalan, Ebrar; Günal, Mehmet YalçınObjective: In this study, the antioxidant properties of Arum maculatum plant were evaluated. This study reported for the first time the wound healing activity of the methanol extract of A. maculatum fruits. This study aimed to assess and determine the possible pharmacological activities of A. maculatum and evaluate its potential to act as a wound care plant. Methods: The antioxidant and antimicrobial activities of A. maculatum were investigated using excisional in vivo and in vitro wound healing mouse models. A total of 32 Balb-c mice were used, which were equally, divided into four groups: saline control group, control group, A. maculatum group, and Centella asiatica extract group. Treatment applications were performed topically once per day. Wound area narrowing, wound healing percentage, and epithelialization time were analyzed. Results: A. maculatum application supported the healing process in in vivo and in vitro wound models. A. maculatum contributed to the healing process by promoting granulation tissue formation, epidermal regeneration, and angiogenesis. Conclusions: Wound healing is a complex and well-organized process that requires communication between cells. The antioxidant and antimicrobial activities of A. maculatum extract have been determined by current studies. A. maculatum extract may provide significant benefits in promoting the wound healing process.Öğe Effects of whey Protein, Omega-3 Fatty Acid and Roux-En-Y gastric bypass on body weight, biochemical parameters and organ functions in an obese rat model: Experimental research(Springer, 2023) Mert Biberoğlu, Fatma; Erdem, Nihal Zekiye; Özdenkaya, Yaşar; Özdemir, Ekrem Musa; Saka, BurcuPurpose: Extreme obesity (EO) is one of the biggest public health problems in the world and has grown considerably over the years. The aim of the study is to examine the effect of Roux-en-Y gastric bypass (RYGB), whey protein (WP), and omega-3 polyunsaturated fatty acid (PUFA) supplementation applied to EO rats on weight loss, histopathological changes in internal organs and biochemical alterations. Materials and Methods: Wistar albino female rats (n = 28) were used in the study and randomly divided into four groups. All rats were made obese by adding high fructose corn syrup (HFCS) to their drinking water. After the EO, WP and omega-3 PUFA supplementation was given and RYGB process was applied. At the end of the study, glucose, total cholesterol, HDL, VLDL, AST, ALT and uric acid changes and liver, kidney and pancreatic tissues were evaluated histopathologically. Results: WP and omega-3 PUFA supplementation decreased body weight (p > 0.05). Omega-3 PUFA and RYGB caused a decrease in total cholesterol (p < 0.05), WP decreased HDL (p < 0.05), WP and omega-3 PUFA caused an increase in ALT (p < 0.05). WP has been shown to have greater curative effects in rat liver and kidney tissues. It has been determined that RYGB causes necrosis in the liver and HFCS causes inflammation in the kidney. Conclusion: In the study; the positive effects of WP, omega-3 PUFA and bariatric surgery on obesity and dyslipidemia have been demonstrated. With this result, it was determined that WP, omega-3 PUFA supplementation and bariatric surgery were not superior to each other. Graphical abstract: [Figure not available: see fulltext.]Öğe Investigation of the effect of adalimumab on experimental brain injury in mice(2019) Günal, Mehmet Yalçın; Çankaya, Seyda; Tönük, Şükrü Burak; Özdemir, Ekrem Musa; Sayın Şakul, Ayşe ArzuAim: We aimed to investigate the neuroprotective role of adalimumab based on the hypothesis that "TNF-alpha inhibitor adalimumab may affect inflammationrelated neuronal injury due to its anti-inflammatory effect". Methods: To investigate the effects of adalimumab, we induced brain injury in mice using a cold trauma model and evaluated the underlying cell survival/ death mechanisms via cresyl violet and calculated infarct/edema volume with image analyze system. Results: Although our data indicated a tendency to decreased infarct and edema volume, these findings are not significant statistically. Conclusion: To the best of our knowledge, this is the first study evaluating the neuroprotective effect of adalimumab on injured neurons.Öğe Can Carpobrotus edulis, heal incisional and excisional wounds on the skin?(Comenius University, 2021) Günal, Mehmet Yalçın; Şahinler Ayla, Sibel; Çaglayan, Berrak; Beker, Mustafa Çağlar; Bedri, Nejda; Aslan, İpek Bilge; Özdemir, Ekrem Musa; Kılıç, Ertuğrul; Yeşilada, ElifOBJECTIVES: This study aimed to investigate the wound healing activity of liposomal Carpobrotus edulis powder extract (CEPE) formulation on incisional and excisional wounds in rat. BACKGROUND: In the event of any damage, the damaged tissue undergoes a process of regenerating itself, which is called wound healing. METHODS: Centella asiatica extract (CAE) was used as the reference molecule in the study. The wound healing process was tested by using the excisional and incisional wound model. On the 12th day of the study, maximum stress, stress, % of elongation values were evaluated in the incisional wound. Also; histological parameters and macroscopic photographic analyses were evaluated in the excisional wound. RESULTS: In the photo evaluations, the improvement was more prominent in both CAE and CEPE groups than in the control group. Histological evaluation showed that CEPE group had signifi cant wound healing activity compared to the control and CAE groups. Axial tensile-elongation experiments in incisional wound tissue show that there was no signifi cant difference between CAE and CEPE groups. CONCLUSION: Liposomal formulations of C.edulis extract were found to have positive effects on the healing process, both on excisional and incisional wound tissues (Tab. 2, Fig. 3, Ref. 30).Öğe Combined therapy with probiotic VSL#3 and Omega-3 fatty acids attenuates colonic injury and inflammation in chronic DNBS-induced colitis in mice(Polish Academy of Sciences, 2021) Yoldaş İlktaç, Havvanur; Kızıltan, Gül; Devrim Lanpir, Aslı; Ozansoy, Mehmet; Günal, Mehmet Yalçın; Özmen Togay, Sine; Keskin, İlknur; Özdemir, Ekrem Musa; Kılıç, ÜlkanInflammatory bowel disease (IBD) is a progressive chronic inflammatory disease affecting the gastrointestinal tract with a chronic relapsing and remitting disease course. While there are a number of therapeutic strategies available to treat IBD, a definitive treatment still hasn't been defined, leading to alternative treatment options including nutritional support. Herein, we planned to investigate the combined impact of probiotics and omega-3 (omega-3) fatty acids on inflammatory response and intestinal epithelium in chronic colitis induced by 2,4-Dinitrobenzenesulfonic acid (DNBS). Fifty BALB/c mice were randomly divided into five groups: non-colitis control, colitis with no treatment applied (control colitis), colitis treated with probiotics (VSL#3), colitis treated with omega-3, and colitis treated with both VSL#3 and omega-3. Colitis was induced by intrarectal administration of 2,4-Dinitrobenzenesulfonic acid (DNBS) in all groups but the non-colitis control group. Ten days after the DNBS period, phosphate-buffered saline (for both the non-colitis control and colitis control groups), VSL#3, omega-3, or VSL#3 + omega-3 treatments were administered intragastrically to their respective groups for 10 days. By analyzing the colonic expression of interleukin IL-6, IL-10, and IL-17A, and interferon gamma (IFN-gamma) and tumor necrosis factor alpha (TNF-alpha) levels, results revealed that levels of IFN-gamma IL-17, and TNF-alpha were significantly higher in the control colitis group when compared with the other groups. The control colitis, colitis +VSL#3, and colitis + omega-3 groups exhibited higher scores of microscopic damage compared to the non-colitis control and colitis + VSL#3 + omega-3 groups. The closest histological image to the non-colitis control group was presented in the colitis + VSL#3 + omega-3 group. The findings indicate that the combined effect of probiotics and omega-3 fatty acids might have a protective effect against colon injury and inflammation by creating synergistic effects. However, more research is needed to understand the exact mechanism of this synergistic effect and to examine how this therapeutic approach can be used in inflammatory bowel diseases.
