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Polat EB, Hazar-Yavuz AN, Guler E, Ozcan GS, Taskin T, Duruksu G, Elcioglu HK, Yazır Y, Cam ME. Sublingual Administration of Teucrium Polium-Loaded Nanofibers with Ultra-Fast Release in the Treatment of Diabetes Mellitus: In Vitro and In Vivo Evaluation. J Pharm Sci 2024; 113:1068-1087. [PMID: 38123068 DOI: 10.1016/j.xphs.2023.12.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 12/14/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023]
Abstract
In this study, Teucrium polium (TP) methanolic extract, which has antidiabetic activity and protects the β-cells of the pancreas, was loaded in polyethylene oxide/sodium alginate nanofibers by electrospinning and administered sublingually to evaluate their effectiveness in type-2 diabetes mellitus (T2DM) by cell culture and in vivo studies. The gene expressions of insulin, glucokinase, GLUT-1, and GLUT-2 improved in TP-loaded nanofibers (TPF) on human beta cells 1.1B4 and rat beta cells BRIN-BD11. Fast-dissolving (<120 s) sublingual TPF exhibited better sustainable anti-diabetic activity than the suspension form, even in the twenty times lower dosage in streptozotocin/nicotinamide-induced T2DM rats. The levels of GLP-1, GLUT-2, SGLT-2, PPAR-γ, insulin, and tumor necrosis factor-alpha were improved. TP and TPF treatments ameliorated morphological changes in the liver, pancreas, and kidney. The fiber diameter increased, tensile strength decreased, and the working temperature range enlarged by loading TP in fibers. Thus, TPF has proven to be a novel supportive treatment approach for T2DM with the features of being non-toxic, easy to use, and effective.
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Affiliation(s)
- Elif Beyzanur Polat
- Department of Pharmacology, Faculty of Pharmacy, Marmara University, Istanbul 34854, Turkiye
| | - Ayse Nur Hazar-Yavuz
- Department of Pharmacology, Faculty of Pharmacy, Marmara University, Istanbul 34854, Turkiye
| | - Ece Guler
- Department of Pharmacology, Faculty of Pharmacy, Marmara University, Istanbul 34854, Turkiye; Department of Pharmacology, Faculty of Pharmacy, Istanbul Kent University, Istanbul 34406, Türkiye; Center for Nanotechnology and Biomaterials Application and Research, Marmara University, Istanbul 34722, Turkiye; MecNano Technologies, Cube Incibation, Teknopark Istanbul, Istanbul 34906, Türkiye
| | - Gul Sinemcan Ozcan
- MecNano Technologies, Cube Incibation, Teknopark Istanbul, Istanbul 34906, Türkiye; Stem Cell and Gene Therapies Research and Applied Center, Medical Faculty, Kocaeli University, Kocaeli 41380, Turkiye
| | - Turgut Taskin
- Department of Pharmacognosy, Faculty of Pharmacy, Marmara University, Istanbul 34854, Turkiye
| | - Gokhan Duruksu
- Genetic and Metabolic Diseases Research and Investigation Center, Marmara University, Istanbul 34722, Turkiye
| | - Hatice Kubra Elcioglu
- Department of Pharmacology, Faculty of Pharmacy, Marmara University, Istanbul 34854, Turkiye
| | - Yusufhan Yazır
- Stem Cell and Gene Therapies Research and Applied Center, Medical Faculty, Kocaeli University, Kocaeli 41380, Turkiye
| | - Muhammet Emin Cam
- Department of Pharmacology, Faculty of Pharmacy, Marmara University, Istanbul 34854, Turkiye; Department of Pharmacology, Faculty of Pharmacy, Istanbul Kent University, Istanbul 34406, Türkiye; Center for Nanotechnology and Biomaterials Application and Research, Marmara University, Istanbul 34722, Turkiye; MecNano Technologies, Cube Incibation, Teknopark Istanbul, Istanbul 34906, Türkiye; Genetic and Metabolic Diseases Research and Investigation Center, Marmara University, Istanbul 34722, Turkiye; Biomedical Engineering Department, University of Aveiro, Aveiro 3810-193, Portugal; SFA R&D Laboratories, Teknopark Istanbul, Istanbul 34906, Türkiye; ATA BIO Technology, Teknopol Istanbul, Istanbul 34930, Türkiye.
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Celebi G, Gocmez SS, Ozer C, Duruksu G, Yazır Y, Utkan T. Propolis prevents vascular endothelial dysfunction by attenuating inflammation and oxidative damage in the chronic unpredictable stress model of depression in rats. J Pharm Pharmacol 2023; 75:1418-1429. [PMID: 37579320 DOI: 10.1093/jpp/rgad071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 07/15/2023] [Indexed: 08/16/2023]
Abstract
OBJECTIVES Chronic stress may lead to depression and vascular endothelial dysfunction. We aimed to evaluate the effects of propolis on vascular functions and the possible mechanisms of its vascular effects in the rat model of chronic unpredictable mild stress (CUMS)-induced depression. METHODS Male Wistar rats were divided into control, stress (exposure to CUMS), control+propolis and stress+propolis groups (n = 8/each group). CUMS model was induced by exposing rats to various mild stressors daily for 5 weeks. The extract of propolis (100 mg/kg/day) was administered orally to propolis-treated groups for 5 weeks. The depression-like behaviours were assessed with the forced swimming test (FST). Chronic stress resulted in increased immobility response in FST and elevated serum corticosterone levels. Thoracic endothelial functions and expressions of endothelial nitric oxide synthase (eNOS), tumor necrosis factor-alpha (TNFα), interleukin-1beta (IL-1β), Heme oxygenase-1 (HO-1) and superoxide dismutase (SOD) level were assessed. KEY FINDINGS Compared to control group, stress group exhibited a significant decrease in endothelium-dependent relaxations, and eNOS, SOD and HO-1 expressions, whereas a significant increase in the thoracic expressions of TNFα and IL-1β. Propolis ameliorated depression-like behaviours, vascular endothelial dysfunctions and alterations of protein expressions. CONCLUSION Propolis exerted antidepressant-like and vasculoprotective effects in CUMS-induced depression in rats. Chronic propolis treatment may have a protective effect on CUMS-induced vascular endothelial dysfunction by its anti-inflammatory and antioxidant effects.
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Affiliation(s)
- Gulsen Celebi
- Faculty of Medicine, Department of Pharmacology, Kocaeli University, Kocaeli, Turkey
| | - Semil Selcen Gocmez
- Faculty of Medicine, Department of Pharmacology, Kocaeli University, Kocaeli, Turkey
| | - Cuneyt Ozer
- Experimental Medical Research and Application Centre, Kocaeli University, Kocaeli, Turkey
| | - Gokhan Duruksu
- Center for Stem Cell and Gene Therapies Research and Practice, Institute of Health Sciences, Kocaeli University, Kocaeli, Turkey
| | - Yusufhan Yazır
- Center for Stem Cell and Gene Therapies Research and Practice, Institute of Health Sciences, Kocaeli University, Kocaeli, Turkey
- Faculty of Medicine, Department of Histology and Embryology, Kocaeli University, Kocaeli, Turkey
| | - Tijen Utkan
- Faculty of Medicine, Department of Pharmacology, Kocaeli University, Kocaeli, Turkey
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Sovunjov E, Halbutoğulları ZS, Gacar G, Öztürk A, Duruksu G, Yazır Y. Examining the effect of activated cytotoxic (CD8 +) T-cell exosomes to the lung cancer. Med Oncol 2023; 40:359. [PMID: 37966661 DOI: 10.1007/s12032-023-02198-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 09/19/2023] [Indexed: 11/16/2023]
Abstract
Lung cancer continues to be a major health problem worldwide owing to its incidence, and causes physical, psychological, social, and economic problems. Activated cytotoxic T cells (ACTC) are positively correlated with the tumor microenvironment (TME), improving the prognosis of cancer patients. Recently, ACTC-derived exosomes (ACTC-dExo) were implicated in this effect by inhibiting mesenchymal stem cells, which may promote metastasis in the TME. Exosomes are thought to be advantageous for the specific delivery of drugs to cancer cells because they have the characteristics of natural liposomes, are nanosized, and remain largely stable in the blood due to the protein and lipid content they carry on their membranes. In this study, we aimed to determine the cytotoxic and metastatic inhibitory effects of ACTC-dExo in A549 cells in vitro. Cytotoxic CD8+ T cells were isolated from whole blood obtained from healthy individuals and cultured for 5-7 days after stimulation. The ACTC-dExo serum-free culture medium was collected by ultracentrifugation. Characterization and quantification of the isolated exosomes were performed using flow cytometry, electron microscopy, zeta-sizer measurements, and bicinchoninic acid (BCA) assays. We co-cultured ACTC and ACTC-dExo with A549 cells for 48 h. The viability of A549 cells was evaluated using a WST-1 assay. The metastasis-related genes MMP2, MMP9, TWIST, SNAI1, and CDH1 were detected by qRT-PCR, and MMP2 and MMP9 proteins were evaluated by confocal microscopy. In addition, changes in cell migration were investigated using a scratch assay. ACTC-dExo were found to have anti-proliferative and anti-metastatic effects and reduced cancer cell proliferation and metastatic properties.
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Affiliation(s)
- Eldar Sovunjov
- Department of Medical Biology, Faculty of Medicine, Kocaeli University, İzmit, Kocaeli, Turkey
| | - Zehra Seda Halbutoğulları
- Department of Medical Biology, Faculty of Medicine, Kocaeli University, İzmit, Kocaeli, Turkey.
- Department of Stem Cell, Institute of Health Sciences, Kocaeli University, İzmit, Kocaeli, Turkey.
- Center for Stem Cell and Gene Therapies Research and Practice, Kocaeli University, İzmit, Kocaeli, Turkey.
| | - Gülçin Gacar
- Department of Stem Cell, Institute of Health Sciences, Kocaeli University, İzmit, Kocaeli, Turkey
- Center for Stem Cell and Gene Therapies Research and Practice, Kocaeli University, İzmit, Kocaeli, Turkey
| | - Ahmet Öztürk
- Department of Stem Cell, Institute of Health Sciences, Kocaeli University, İzmit, Kocaeli, Turkey
- Center for Stem Cell and Gene Therapies Research and Practice, Kocaeli University, İzmit, Kocaeli, Turkey
- Department of Histology and Embryology, Faculty of Medicine, Kocaeli University, İzmit, Kocaeli, Turkey
| | - Gökhan Duruksu
- Department of Stem Cell, Institute of Health Sciences, Kocaeli University, İzmit, Kocaeli, Turkey
- Center for Stem Cell and Gene Therapies Research and Practice, Kocaeli University, İzmit, Kocaeli, Turkey
| | - Yusufhan Yazır
- Department of Stem Cell, Institute of Health Sciences, Kocaeli University, İzmit, Kocaeli, Turkey
- Center for Stem Cell and Gene Therapies Research and Practice, Kocaeli University, İzmit, Kocaeli, Turkey
- Department of Histology and Embryology, Faculty of Medicine, Kocaeli University, İzmit, Kocaeli, Turkey
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Yüksel R, Yüksel N, Yazır Y, Öztürk A, Furat Rençber S, Demirci Küçük K. The anti-scar effect of tyrosine-kinase inhibitor nintedanib in experimental glaucoma filtration surgery in rabbits. Exp Eye Res 2023; 229:109431. [PMID: 36870440 DOI: 10.1016/j.exer.2023.109431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 12/28/2022] [Accepted: 02/20/2023] [Indexed: 03/06/2023]
Abstract
PURPOSE To investigate the efficacy of nintedanib on preventing postoperative scar in formation following glaucoma filtering surgery (GFC) in rabbits in comparison with Mitomycin-C (MMC). DESIGN Experimental Animal Study. METHODS 24 New Zealand rabbits were divided randomly into 3 groups as Sham, Nindetanib and MMC(n = 8). Limbal-based trabeculectomy was performed on the right eyes of the rabbits. Left eyes that did'nt undergo surgery were included in the control group (n = 8). Following surgery, Intraocular pressures (IOP), postoperative complications and morphological changes in the bleb were evaluated. On the 28th day, eight eyes from each group were enucleated and histologically and immunohistochemically analyzed. Matrix metalloproteinase-2 (MMP-2), Transforming Growth Factor-1 (TGF-B1) and alpha-smooth muscle actin (a-SMA) were evaluated. RESULTS It was observed that nintedanib has no side effects and reduces subconjunctival fibrosis. Postoperative IOP values in the Nindetanib group were lower than the other groups (p < 0.05). The longest bleb survival was observed in the Nintedanib group and the shortest in the Sham group (p < 0.001). Conjunctival vascularity and inflammation was reduced in the Nintedanib group compared to the Sham group (p < 0.05). The highest subconjunctival fibrosis was observed in the Sham group and the least in the Nintedanib group (p < 0.05). Although the fibrosis score was found lower in the Nintedanib group compared to the MMC(p > 0.05). α-SMA TGF-β1, MMP-2 expressions were similar in Nintedanib and MMC groups (p > 0.05), however, it was observed that significantly decreased in both groups compared to Sham group (p < 0.05). CONCLUSION It has been observed that Nindetanib suppress fibroblast proliferation Thus, It may be a drug that can prevent subconjunctival fibrosis in GFC.
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Affiliation(s)
- Refref Yüksel
- Şanlıurfa Training and Research Hospital, Department of Ophthalmology, Şanlıurfa, Turkey.
| | - Nurşen Yüksel
- Kocaeli University School of Medicine, Department of Ophthalmology, Umuttepe Yerleşkesi, 41000, İzmit, Kocaeli, Turkey.
| | - Yusufhan Yazır
- Kocaeli University School of Medicine, Center of Stem Cells and Gene Therapies Research and Practice, Umuttepe Yerleşkesi, 41000, İzmit, Kocaeli, Turkey; Kocaeli University School of Medicine, Department of Histology and Embryology, Umuttepe Yerleşkesi, 41000, İzmit, Kocaeli, Turkey.
| | - Ahmet Öztürk
- Kocaeli University School of Medicine, Center of Stem Cells and Gene Therapies Research and Practice, Umuttepe Yerleşkesi, 41000, İzmit, Kocaeli, Turkey.
| | - Selenay Furat Rençber
- Kocaeli University School of Medicine, Department of Histology and Embryology, Umuttepe Yerleşkesi, 41000, İzmit, Kocaeli, Turkey.
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Fındık O, Yılmaz MY, Yazır Y, Rençber SF, Sarıhan KK, Kunt AT. Investigation of the protective effect of enoxaparin and ticagrelor pretreatment against ischemia-reperfusion injury in rat lung tissue. Rev Assoc Med Bras (1992) 2019; 65:1193-1200. [PMID: 31618337 DOI: 10.1590/1806-9282.65.9.1193] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 03/31/2019] [Indexed: 01/01/2023]
Abstract
OBJECTIVES This study was conducted to reveal the possible protective effects of ticagrelor and enoxaparin pretreatment against ischemia-reperfusion (IR)-induced injury on the lung tissue of a rat model. METHODS Wistar albino rats were randomly divided into 4 groups as follows: group-1 (control-sham), group-2 (control-saline+IR), group-3 (ticagrelor+IR), group-4 (enoxaparin+IR). Before the ischemic period, saline, ticagrelor, and enoxaparin were administered to the 2nd-4th groups, respectively. In these groups, IR injury was induced by clamping the aorta infrarenally for 2 h, followed by 4 h of reperfusion except group-1. After the rats were euthanized, the lungs were processed for histological examinations. Paraffin sections were stained with Haematoxylin&Eosin (H&E) for light microscopic observation. Apoptosis was evaluated by caspase-3 immunoreactivity. Data were statistically analyzed using the SPSS software. RESULTS In the lung sections stained with H&E, a normal histological structure was observed in group-1, whereas disorganized epithelial cells, hemorrhage, and inflammatory cell infiltration were seen in the alveolar wall in group-2. The histologic structure of the treatment groups was better than that of group-2. Caspase-3(+) apoptotic cells were noticeable in sections of group-2 and were lower in the treatment groups. In group-4, caspase-3 immunostaining was lower than in group-3. In group-2, apoptotic cells were significantly higher than in the other groups (p<0.001). CONCLUSION Based on the histological results, we suggested that both therapies ameliorated the detrimental effects of IR. Caspase-3 immunohistochemistry results also revealed that pre-treatment with enoxaparin gave better results in an IR-induced rat injury model. In further studies, other parameters such as ROS and inflammatory gene expressions should be evaluated for accurate results.
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Affiliation(s)
- Orhan Fındık
- . Department of Cardiovascular Surgery, Derince Education and Research Hospital, Kocaeli, Turkey
| | - Melda Yardımoglu Yılmaz
- . Department of Histology and Embryology, Faculty of Medicine, Kocaeli University, Kocaeli, Turkey
| | - Yusufhan Yazır
- . Department of Histology and Embryology, Faculty of Medicine, Kocaeli University, Kocaeli, Turkey
| | - Selenay Furat Rençber
- . Department of Histology and Embryology, Faculty of Medicine, Kocaeli University, Kocaeli, Turkey
| | - Kübra Kavram Sarıhan
- . Department of Histology and Embryology, Faculty of Medicine, Kocaeli University, Kocaeli, Turkey
| | - Atike Tekeli Kunt
- . Department of Cardiovascular Surgery, Health Sciences University Ankara Numune Training and Research Hospital, Ankara, Turkey
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Şahin TD, Karson A, Balcı F, Yazır Y, Bayramgürler D, Utkan T. TNF-alpha inhibition prevents cognitive decline and maintains hippocampal BDNF levels in the unpredictable chronic mild stress rat model of depression. Behav Brain Res 2015; 292:233-40. [DOI: 10.1016/j.bbr.2015.05.062] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Revised: 05/18/2015] [Accepted: 05/20/2015] [Indexed: 01/08/2023]
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Demirtaş T, Utkan T, Karson A, Yazır Y, Bayramgürler D, Gacar N. The link between unpredictable chronic mild stress model for depression and vascular inflammation? Inflammation 2015; 37:1432-8. [PMID: 24614944 DOI: 10.1007/s10753-014-9867-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Inflammation has been suggested to be associated with stress-induced depression and cardiovascular dysfunction. Tumor necrosis factor alpha (TNF-α) is a major cytokine in the activation of neuroendocrine, immune, and behavioral responses. In this study, we investigated the effects of infliximab (a TNF-α inhibitor) on endothelium-dependent vascular reactivity, systemic blood pressure, and endothelial nitric oxide synthase (eNOS) immunoreactivity in the unpredictable chronic mild stress (UCMS) model of depression in rats. There was no significant change between all groups in the systemic blood pressure. In UCMS, endothelium-dependent relaxation of the smooth muscle in response to carbachol was significantly decreased with 50 % maximal response (E max) and pD2 values compared with the controls. Infliximab was able to reverse this UCMS effect. Relaxation in response to the nitric oxide (NO) donor sodium nitroprusside and papaverine and KCl-induced contractile responses was similar between groups. In UCMS, decreased expression of eNOS was detected. Moreover, there was no significant change in UCMS + infliximab group with respect to control rats. Our results suggest that tumor necrosis factor-alpha (TNF-α) could be a major mediator of vascular dysfunction associated with UCMS, leading to decreased expression of eNOS.
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MESH Headings
- Animals
- Anti-Inflammatory Agents, Non-Steroidal/pharmacology
- Anti-Inflammatory Agents, Non-Steroidal/therapeutic use
- Antibodies, Monoclonal/pharmacology
- Antibodies, Monoclonal/therapeutic use
- Aorta, Thoracic/drug effects
- Aorta, Thoracic/metabolism
- Aorta, Thoracic/pathology
- Chronic Disease
- Depression/metabolism
- Depression/pathology
- Disease Models, Animal
- Endothelium, Vascular/drug effects
- Endothelium, Vascular/metabolism
- Endothelium, Vascular/pathology
- Inflammation/drug therapy
- Inflammation/metabolism
- Inflammation/pathology
- Infliximab
- Male
- Organ Culture Techniques
- Rats
- Rats, Wistar
- Stress, Psychological/metabolism
- Stress, Psychological/pathology
- Vasodilation/drug effects
- Vasodilation/physiology
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Affiliation(s)
- Tuğçe Demirtaş
- Department of Pharmacology, Medical Faculty, Kocaeli University, Medical Faculty, 41380, Kocaeli, Turkey,
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