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Dong J, Zhu D, Chen M, Wang T, Gao Y, Liu W. Mubritinib enhanced the inhibiting function of cisplatin in lung cancer by interfering with mitochondrial function. Thorac Cancer 2022; 13:1513-1524. [PMID: 35429141 PMCID: PMC9108040 DOI: 10.1111/1759-7714.14425] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 03/26/2022] [Accepted: 03/29/2022] [Indexed: 11/28/2022] Open
Abstract
Background Lung cancer is one of the most lethal cancers worldwide. Cisplatin, a widely used anti‐lung cancer drug, has been limited in clinical application due to its drug resistance. Medicines targeting mitochondrial electron transport chain (ETC) complexes may be effective candidates for cisplatin‐based chemotherapy. Methods In this study, the small molecule drug library from Food and Drug Administration FDA was used to screen for medicines targeting ETC. MTT and colony formation assays were used to investigate cell proliferation. Flow cytometry was employed to analyze cell cycle, apoptosis, reactive oxygen species (ROS), and mitochondrial membrane potential. Wound scratch and transwell assays were used to detect migration and invasion abilities. The activities of the ETC complex were tested using kits. Western blot analysis was used to investigate the expressions of related proteins. A mouse xenograft model was constructed to verify the antitumor effect in vivo. Results The results showed that mubritinib can reduce the activation of the PI3K/mTOR signal pathway, disrupt mitochondrial function, significantly increase ROS levels and induce oxidative stress, and ultimately exert its antitumor effect against non‐small cell lung cancer (NSCLC) both in vivo and in vitro. In addition, the combination of cisplatin and mubritinib can improve the tumor‐suppressive effect of cisplatin. Conclusion Mubritinib can upregulate intracellular ROS concentration and cell apoptosis, inhibit the PI3K signaling pathway and interfere with the function of mitochondria, thus reducing cell proliferation and increasing ROS induced apoptosis by reducing the activation of Nrf2 by PI3K.
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Affiliation(s)
- Jingyao Dong
- Department of Thoracic Surgery The First Hospital of Jilin University Changchun China
| | - Dongshan Zhu
- Department of Thoracic Surgery The First Hospital of Jilin University Changchun China
| | - Mengmeng Chen
- Department of Thoracic Surgery The First Hospital of Jilin University Changchun China
| | - Taiwei Wang
- Department of Thoracic Surgery The First Hospital of Jilin University Changchun China
| | - Yan Gao
- Department of Thoracic Surgery The First Hospital of Jilin University Changchun China
| | - Wei Liu
- Department of Thoracic Surgery The First Hospital of Jilin University Changchun China
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2
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Fernandes TDO, Rodrigues AM, Punaro GR, Lima DYD, Higa EMS. P2X7 receptor-nitric oxide interaction mediates apoptosis in mouse immortalized mesangial cells exposed to high glucose. J Bras Nefrol 2021; 44:147-154. [PMID: 34694316 PMCID: PMC9269184 DOI: 10.1590/2175-8239-jbn-2021-0086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 08/11/2021] [Indexed: 11/21/2022] Open
Abstract
INTRODUCTION Diabetes mellitus (DM) is a chronic disease characterized by hyperglycemia that leads to diabetic nephropathy (DN). We showed that P2X7, a purinergic receptor, was highly expressed in DM; however, when oxidative stress was controlled, renal NO recovered, and the activation of this receptor remained significantly reduced. The aim of this study was to assess the influence of NO on the P2X7 and apoptosis in mouse immortalized mesangial cells (MiMC) cultured in high glucose (HG) medium. METHODS MiMCs were cultured with DMEM and exposed to normal glucose (NG), mannitol (MA), or HG. Cell viability was assessed by an automated counter. Supernatants were collected for NO quantification, and proteins were extracted for analysis of NO synthases (iNOS and eNOS), caspase-3, and P2X7. RESULTS Cell viability remained above 90% in all groups. There was a significant increase in the proliferation of cells in HG compared to MA and NG. NO, iNOS, caspase-3, and P2X7 were significantly increased in HG compared to NG and MA, with no changes in eNOS. We observed that there was a strong and significant correlation between P2X7 and NO. DISCUSSION The main finding was that the production of NO by iNOS was positively correlated with the increase of P2X7 in MCs under HG conditions, showing that there is a common stimulus between them and that NO interacts with the P2X7 pathway, contributing to apoptosis in experimental DM. These findings could be relevant to studies of therapeutic targets for the prevention and/or treatment of hyperglycemia-induced kidney damage to delay DN progression.
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Affiliation(s)
- Thamires de Oliveira Fernandes
- Universidade Federal de São Paulo, Divisão de Nefrologia, São Paulo, SP, Brasil.,Universidade Federal de São Paulo, Laboratório de Óxido Nítrico e Estresse Oxidativo, São Paulo, SP, Brasil
| | - Adelson Marçal Rodrigues
- Universidade Federal de São Paulo, Depardamento de Medicina, São Paulo, SP, Brasil.,Universidade Federal de São Paulo, Laboratório de Óxido Nítrico e Estresse Oxidativo, São Paulo, SP, Brasil
| | - Giovana Rita Punaro
- Universidade Federal de São Paulo, Divisão de Nefrologia, São Paulo, SP, Brasil.,Universidade Federal de São Paulo, Laboratório de Óxido Nítrico e Estresse Oxidativo, São Paulo, SP, Brasil
| | - Deyse Yorgos de Lima
- Universidade Federal de São Paulo, Divisão de Nefrologia, São Paulo, SP, Brasil.,Universidade Federal de São Paulo, Laboratório de Óxido Nítrico e Estresse Oxidativo, São Paulo, SP, Brasil
| | - Elisa Mieko Suemitsu Higa
- Universidade Federal de São Paulo, Divisão de Nefrologia, São Paulo, SP, Brasil.,Universidade Federal de São Paulo, Depardamento de Medicina, São Paulo, SP, Brasil.,Universidade Federal de São Paulo, Laboratório de Óxido Nítrico e Estresse Oxidativo, São Paulo, SP, Brasil.,Universidade Federal de São Paulo, Divisão de Emergência, São Paulo, SP, Brasil
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3
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Chian CW, Lee YS, Lee YJ, Chen YH, Wang CP, Lee WC, Lee HJ. Cilostazol ameliorates diabetic nephropathy by inhibiting highglucose- induced apoptosis. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2020; 24:403-412. [PMID: 32830147 PMCID: PMC7445481 DOI: 10.4196/kjpp.2020.24.5.403] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 06/09/2020] [Accepted: 07/21/2020] [Indexed: 12/16/2022]
Abstract
Diabetic nephropathy (DN) is a hyperglycemia-induced progressive development of renal insufficiency. Excessive glucose can increase mitochondrial reactive oxygen species (ROS) and induce cell damage, causing mitochondrial dysfunction. Our previous study indicated that cilostazol (CTZ) can reduce ROS levels and decelerate DN progression in streptozotocin (STZ)-induced type 1 diabetes. This study investigated the potential mechanisms of CTZ in rats with DN and in high glucose-treated mesangial cells. Male Sprague-Dawley rats were fed 5 mg/kg/day of CTZ after developing STZ-induced diabetes mellitus. Electron microscopy revealed that CTZ reduced the thickness of the glomerular basement membrane and improved mitochondrial morphology in mesangial cells of diabetic kidney. CTZ treatment reduced excessive kidney mitochondrial DNA copy numbers induced by hyperglycemia and interacted with the intrinsic pathway for regulating cell apoptosis as an antiapoptotic mechanism. In high-glucose-treated mesangial cells, CTZ reduced ROS production, altered the apoptotic status, and down-regulated transforming growth factor beta (TGF-β) and nuclear factor kappa light chain enhancer of activated B cells (NF-κB). Base on the results of our previous and current studies, CTZ deceleration of hyperglycemia-induced DN is attributable to ROS reduction and thereby maintenance of the mitochondrial function and reduction in TGF-β and NF-κB levels.
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Affiliation(s)
- Chien-Wen Chian
- Division of Nephrology, Department of Paediatrics, Changhua Christian Hospital, Changhua 500, Taiwan
| | - Yung-Shu Lee
- Department of Urology, Taipei City Hospital, Taipei 10341, Taiwan
| | - Yi-Ju Lee
- Department of Pathology, Chung Shan Medical University Hospital, Taichung 40221, Taiwan
| | - Ya-Hui Chen
- Department of Medical Research, Changhua Christian Hospital, Changhua 500, Taiwan
| | - Chi-Ping Wang
- Department of Clinical Biochemistry, Chung Shan Medical University Hospital, Taichung 40221, Taiwan
| | - Wen-Chin Lee
- Division of Nephropathy, Department of Internal Medicine, Chang Bing Show-Chwan Memborial Hospital, Changhua 505, Taiwan
| | - Huei-Jane Lee
- Department of Clinical Biochemistry, Chung Shan Medical University Hospital, Taichung 40221, Taiwan
- Institute of Biochemistry, Microbiology and Immunology, Medical College, Chung Shan Medical University, Taichung 40221, Taiwan
- Department of Biochemistry, School of Medicine, College of Medicine, Chung Shan Medical University, Taichung 40221, Taiwan
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4
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Ren H, Shao Y, Wu C, Lv C, Zhou Y, Wang Q. VASH-1 Regulates Oxidative Stress and Fibrosis in Diabetic Kidney Disease via SIRT1/HIF1α and TGFβ1/Smad3 Signaling Pathways. Front Mol Biosci 2020; 7:137. [PMID: 32754616 PMCID: PMC7365843 DOI: 10.3389/fmolb.2020.00137] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 06/08/2020] [Indexed: 11/13/2022] Open
Abstract
Aims: To investigate the role of Vasohibin-1 (VASH-1), silence information adjustment factor 2-related enzyme 1 (SIRT1)/hypoxic-inducible factor 1α (HIF1α) and transforming growth factor-β1 (TGFβ1) /Smad3 signaling pathways in oxidative stress and fibrosis of diabetic kidney disease (DKD). Materials and Methods: A diabetic rat model was established in vivo and rat mesangial cells (RMCs) were cultured in vitro with high glucose via transfection with Vash1 small interfering RNA (siRNA), Hif1a siRNA, Sirt1 siRNA and TGFβ1/Smad3 pathway inhibitor (SB431542). Renal histology was used to detect renal changes. Real-time PCR and western blot were used to analyze the expression of VASH-1, SIRT1, HIF1α, TGFβ1, Smad3, vascular endothelial growth factor (VEGF), connective tissue growth factor (CTGF) and fibronectin (FN). Expression levels of tumor necrosis factor-α (TNFα), TGFβ1, superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH-PX), and malondialdehyde (MDA) in rat tissues and cell culture supernatant were detected by ELISA and chemiluminescence assay, while cell proliferation was detected by CCK-8. Results: The level of VASH-1 in renal tissues of diabetic rats was decreased, while both high glucose and Vash1 siRNA inhibited the expression of VASH-1 and SIRT1, increased the levels of HIF1α, TGFβ1, and Smad3 in RMCs, thus up-regulating oxidative stress and fibrosis factors, and abnormally increasing cell proliferation activity (P < 0.05). However, inhibition of SIRT1/HIF1α signaling pathway only reduced TGFβ1 and Smad3 (P < 0.05), while VASH-1 remained unchanged (P > 0.05). Conclusion: VASH-1 was under-expressed in renal tissues of diabetic rats and regulated the pathological process of oxidative stress and fibrosis in DKD via downstream SIRT1/HIF1α and TGFβ1/Smad3 signaling pathways.
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Affiliation(s)
- Huiwen Ren
- Department of Endocrinology, The First Affiliated Hospital of China Medical University, Shenyang, China.,Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
| | - Ying Shao
- Department of Endocrinology, The Second Affiliated Hospital of China Medical University, Shenyang, China
| | - Can Wu
- Department of Gastroenterology and Endoscopy, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Chuan Lv
- Department of Endocrinology, The People's Hospital of Liaoning Province, Shenyang, China
| | - Yang Zhou
- Department of Endocrinology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Qiuyue Wang
- Department of Endocrinology, The First Affiliated Hospital of China Medical University, Shenyang, China
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5
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Artemisinin attenuates early renal damage on diabetic nephropathy rats through suppressing TGF-β1 regulator and activating the Nrf2 signaling pathway. Life Sci 2020; 256:117966. [PMID: 32535079 DOI: 10.1016/j.lfs.2020.117966] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/06/2020] [Accepted: 06/09/2020] [Indexed: 12/17/2022]
Abstract
AIM The present study aims to investigate the protective effects of artemisinin (ATZ) on early renal damage in experimental diabetic rats and its probable mechanism. METHODS Models of diabetic nephropathy (DN) rats was established utilizing streptozotocin (STZ)-injection intraperitoneally (55 mg/kg) method. All rats were subsequently divided into normal control group, model group and ATZ (25, 50, 75 mg/kg) group randomly. Biochemical parameters including body weight, kidney index, blood glucose, 24 h UAER, Scr, BUN, T-SOD, GSH-Px and MDA were comprehensively determined after 8-week consecutive administrations. HE and PAS stainings were performed to observe the histopathological alterations of kidney. Western blot was conducted to detect the expressions of TGF-β1, Nrf2, HQ-1 and NQO1. KEY FINDINGS ATZ at three concentrations in ATZ group significantly increased the body weight. Biochemical parameters altered significantly between model group and ATZ group. Moreover, ATZ inhibited TGF-β1 protein expression and activated the Nrf2 signaling pathway. Pathological histology results revealed the alterations including mesangial cells proliferation, thickness of glomerular capillary basement membrane, extracellular matrix (ECM) and the 24 h UAER. Western blot analysis demonstrated the increase of antioxidant proteins HO-1 and NQO1 and Nrf2-related proteins. SIGNIFICANCE ATZ could reduce early renal oxidative stress damage in DN rats by inhibiting TGF-β1 protein expression in kidney tissues as well as activating the Nrf2 signaling pathway and enhancing the expression of antioxidant proteins, thereby exerting the protective effects on DN kidney. The current study is the first report of ATZ on attenuating effects on kidney of DN rats, which could lay solid theoretical foundations on clinical application of ATZ to treat DN.
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6
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Xiong X, Zhang Y, Xing H, Xu S. Ameliorative Effect of Selenomethionine on Cadmium-Induced Hepatocyte Apoptosis via Regulating PI3K/AKT Pathway in Chickens. Biol Trace Elem Res 2020; 195:559-568. [PMID: 31506910 DOI: 10.1007/s12011-019-01858-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 07/31/2019] [Indexed: 12/31/2022]
Abstract
Selenium (Se) is a trace element for human and animal health. Cadmium (Cd) is a known human carcinogen. The effects of Cd on the environment and humans are well known. Because chickens are at the top of the food chain, it is a good experimental animal model for assessing heavy metal toxicity and its potential threat to humans. Selenomethionine (Se-met) is a suitable form for nutritional Se supplementation. Therefore, the toxicity of Cd to the chicken liver and the antagonistic effects of Se-met on Cd were examined at the molecular level in the present study. The results showed that oxidative stress indicators (apoptosis-related genes, P13K/AKT pathway-related genes, and heat shock proteins (HSPs)-related genes) in the Cd group have changed significantly, indicating Cd induced hepatocyte stress and apoptosis. Interestingly, the changes in oxidative stress indicators (apoptosis-related genes, P13K/AKT pathway-related genes, and HSPs-related genes) in the Cd-Se-met group were mitigated compared with the control group. Our results indicated that Cd can induce hepatocyte apoptosis and stress in the chickens. Se-met has an ameliorative effect on Cd-induced apoptosis of chicken hepatocyte by regulating PI3K/AKT pathway. Our findings will provide a new insight for better understanding of the detoxification function of Se-met to heavy metals.
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Affiliation(s)
- Xiaoyu Xiong
- College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Harbin, 150030, China
| | - Yu Zhang
- College of Animal Science and Technology, Northeast Agricultural University, 59 Mucai Street, Harbin, 150030, China
- Heilongjiang Agricultural and Rural Department, 4-1 Wenfu Street, Harbin, 150060, China
| | - Houjuan Xing
- College of Animal Science and Technology, Northeast Agricultural University, 59 Mucai Street, Harbin, 150030, China.
| | - Shiwen Xu
- College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Harbin, 150030, China.
- Key Laboratory of Animal Cellular and Genetic Engineering of Heilongjiang Province, Northeast Agricultural University, 59 Mucai Street, Harbin, 150030, China.
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7
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Cheng S, Zhu CH, Zhang AH, Huang SM. MiR-29b expression is altered in crescent formation of HSPN and accelerates Ang II-induced mesangial cell activation. World J Pediatr 2020; 16:201-212. [PMID: 31630337 DOI: 10.1007/s12519-019-00318-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Accepted: 09/24/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND MicroRNA-29b (miR-29b) has been suggested to possess pro-inflammatory activity, which can partially be explained by the repression of tumor necrosis factor alpha protein three antibody (TNFAIP3). Meanwhile, it also promotes thyroid cell proliferation via Smad signaling pathways. The present study aimed to elucidate the role of miR-29b in Henoch Schönlein purpura nephritis (HSPN) and its underlying molecular mechanism in angiotensin II (Ang II)-induced human glomerular mesangial cell (HGMC) activation. METHODS We evaluated miR-29b expression in 35 HSPN renal tissues based on crescent formation, glomerular sclerosis, interstitial fibrosis, thrombosis formation and capillary loop necrosis. Meanwhile, HGMCs were cultured, treated with Ang II and then transfected with LV-hsa-miR-29b-1 to induce miR-29b overexpression or LV-hsa-miR-29b-3p-inhibition to inhibit miR-29b expression. Finally, we examined the effects of miR-29b on cell proliferation and release of inflammatory mediators. RESULTS We observed that miR-29b expression was significantly higher in the crescent group than in the no crescent group. MiR-29b overexpression induced the release of intercellular adhesion molecule-1, interleukin-1β (IL-1β), IL-6, IL-8, the increase of CyclinA2, CyclinD1, and cell proliferation. It also could inhibit the expressions of TNFAIP3 and NF-kappa-B-repressing factor (NKRF). Correspondingly, miR-29b inhibition produced the opposite effects and increased the expression of TNFAIP3 and NKRF. CONCLUSION MiR-29b expression is altered in crescent formation of HSPN and accelerates Ang II-induced mesangial cell proliferation and release of inflammatory mediators.
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Affiliation(s)
- Shan Cheng
- Department of Infectious Disease, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Chun-Hua Zhu
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Ai-Hua Zhang
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Song-Ming Huang
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China.
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8
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Hassanpouryouzband A, Joonaki E, Vasheghani Farahani M, Takeya S, Ruppel C, Yang J, English NJ, Schicks JM, Edlmann K, Mehrabian H, Aman ZM, Tohidi B. Gas hydrates in sustainable chemistry. Chem Soc Rev 2020; 49:5225-5309. [DOI: 10.1039/c8cs00989a] [Citation(s) in RCA: 247] [Impact Index Per Article: 61.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
This review includes the current state of the art understanding and advances in technical developments about various fields of gas hydrates, which are combined with expert perspectives and analyses.
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Affiliation(s)
- Aliakbar Hassanpouryouzband
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
| | - Edris Joonaki
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
| | - Mehrdad Vasheghani Farahani
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
| | - Satoshi Takeya
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba 305-8565
- Japan
| | | | - Jinhai Yang
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
| | - Niall J. English
- School of Chemical and Bioprocess Engineering
- University College Dublin
- Dublin 4
- Ireland
| | | | - Katriona Edlmann
- School of Geosciences
- University of Edinburgh
- Grant Institute
- Edinburgh
- UK
| | - Hadi Mehrabian
- Department of Chemical Engineering
- Massachusetts Institute of Technology
- Cambridge
- USA
| | - Zachary M. Aman
- Fluid Science & Resources
- School of Engineering
- University of Western Australia
- Perth
- Australia
| | - Bahman Tohidi
- Hydrates, Flow Assurance & Phase Equilibria Research Group
- Institute of GeoEnergy Engineering
- School of Energy
- Geoscience, Infrastructure and Society
- Heriot-Watt University
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9
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Ma B, Zhu Z, Zhang J, Ren C, Zhang Q. Aucubin alleviates diabetic nephropathy by inhibiting NF-κB activation and inducing SIRT1/SIRT3-FOXO3a signaling pathway in high-fat diet/streptozotocin-induced diabetic mice. J Funct Foods 2020. [DOI: 10.1016/j.jff.2019.103702] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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10
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Jin X, Jia T, Liu R, Xu S. The antagonistic effect of selenium on cadmium-induced apoptosis via PPAR-γ/PI3K/Akt pathway in chicken pancreas. JOURNAL OF HAZARDOUS MATERIALS 2018; 357:355-362. [PMID: 29909169 DOI: 10.1016/j.jhazmat.2018.06.003] [Citation(s) in RCA: 139] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 05/31/2018] [Accepted: 06/01/2018] [Indexed: 06/08/2023]
Abstract
The animal experiment was preformed to investigate the roles of PPAR-γ/PI3K/Akt pathway in apoptosis triggered by cadmium (Cd) and in the antagonistic effects of selenium (Se) on Cd in the pancreas of chicken. The current study showed that Cd treatment obviously increased the accumulation of Cd and directly led to lower activities of amylase, trypsin and lipase in chicken pancreas. The expression of PPAR-γ, PI3K, and Akt was declined, whereas the level of Bax, Cyt C and caspase-3 were increased in Cd group. In the result of TUNEL assay and the histological examination, typical apoptosis characteristics in the pancreas of Cd group were confirmed. Cd group also showed high levels of inducible nitric oxide synthase (iNOS) activity and nitric oxide (NO) content in pancreas. However, those Cd-induced changes were obviously alleviated in Cd + Se group. Our study revealed that Cd could impact the pancreas function and induce the activation of Bax and the overproduction of NO via PPAR-γ/PI3K/Akt pathway to promote apoptosis in chicken pancreas. However, Se could reduce Cd accumulation and antagonize Cd-triggered apoptosis in chicken pancreas.
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Affiliation(s)
- Xi Jin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China.
| | - Tiantian Jia
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China.
| | - Ruohan Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China.
| | - Shiwen Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, PR China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China.
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11
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Huang Y, Leng TD, Inoue K, Yang T, Liu M, Horgen FD, Fleig A, Li J, Xiong ZG. TRPM7 channels play a role in high glucose-induced endoplasmic reticulum stress and neuronal cell apoptosis. J Biol Chem 2018; 293:14393-14406. [PMID: 30076216 DOI: 10.1074/jbc.ra117.001032] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Revised: 06/29/2018] [Indexed: 12/12/2022] Open
Abstract
High-glucose (HG) levels and hyperglycemia associated with diabetes are known to cause neuronal damage. The detailed molecular mechanisms, however, remain to be elucidated. Here, we investigated the role of transient receptor potential melastatin 7 (TRPM7) channels in HG-mediated endoplasmic reticulum stress (ERS) and injury of NS20Y neuronal cells. The cells were incubated in the absence or presence of HG for 48 h. We found that mRNA and protein levels of TRPM7 and of ERS-associated proteins, such as C/EBP homologous protein (CHOP), 78-kDa glucose-regulated protein (GRP78), and inducible nitric-oxide synthase (iNOS), increased in HG-treated cells, along with significantly increased TRPM7-associated currents in these cells. Similar results were obtained in cerebral cortical tissue from an insulin-deficiency model of diabetic mice. Moreover, HG treatment of cells activated ERS-associated proapoptotic caspase activity and induced cellular injury. Interestingly, a NOS inhibitor, l-NAME, suppressed the HG-induced increase of TRPM7 expression and cellular injury. siRNA-mediated TRPM7 knockdown or chemical inhibition of TRPM7 activity also suppressed HG-induced ERS and decreased cleaved caspase-12/caspase-3 levels and cell injury. Of note, TRPM7 overexpression increased ERS and cell injury independently of its kinase activity. Taken together, our findings suggest that TRPM7 channel activities play a key role in HG-associated ERS and cytotoxicity through an apoptosis-inducing signaling cascade involving HG, iNOS, TRPM7, ERS proteins, and caspases.
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Affiliation(s)
- Yan Huang
- From the School of Pharmacy, Anhui Medical University, Hefei 230032, China.,the Neuroscience Institute, Morehouse School of Medicine, Atlanta, Georgia, 30310
| | - Tian-Dong Leng
- the Neuroscience Institute, Morehouse School of Medicine, Atlanta, Georgia, 30310,
| | - Koichi Inoue
- the Neuroscience Institute, Morehouse School of Medicine, Atlanta, Georgia, 30310.,the Department of Integrative Anatomy, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
| | - Tao Yang
- the Neuroscience Institute, Morehouse School of Medicine, Atlanta, Georgia, 30310
| | - Mingli Liu
- the Neuroscience Institute, Morehouse School of Medicine, Atlanta, Georgia, 30310
| | - F David Horgen
- the Department of Natural Sciences, Hawaii Pacific University, Kaneohe, Hawaii 96744, and
| | - Andrea Fleig
- the Laboratory of Cell and Molecular Signaling, Center for Biomedical Research at The Queen's Medical Center and University of Hawaii John A. Burns School of Medicine and Cancer Center, Honolulu, Hawaii 96813
| | - Jun Li
- From the School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Zhi-Gang Xiong
- the Neuroscience Institute, Morehouse School of Medicine, Atlanta, Georgia, 30310,
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12
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Saijun Z, Xin L, Jie W, Shumin X, Shuaihui L, Pei Y. Reduced β2GPI Inhibiting Glomerular Mesangial Cells VEGF-NO Axis Uncoupling Induced by High Glucose. BIOMED RESEARCH INTERNATIONAL 2018; 2018:5484731. [PMID: 30112400 PMCID: PMC6077591 DOI: 10.1155/2018/5484731] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Accepted: 06/19/2018] [Indexed: 11/30/2022]
Abstract
VEGF-NO axis uncoupling is an important pathogenesis for DN. Reduced β2GPI could play a part in VEGF signaling pathway and has a protective effect on diabetic vascular disease. This study investigates the effect of reduced β2GPI on glomerular mesangial cells VEGF-NO axis uncoupling induced by high glucose. Compared to control group, glomerular mesangial cell line HBZY-1 cells treated with high glucose expressed higher levels of VEGF mRNA and protein and produced more ROS but less NO. The related proteins related to VEGF-NO axis were assayed. High glucose could significantly increase the expression of the level of VEGFR2 and obviously increase phosphorylation of Akt and eNOS but significantly decrease the expression of GTP cyclohydrolase 1 (GCH-1), reducing the production of eNOS dimer. Both β2GPI and reduced β2GPI partly reverse these effects caused by high glucose. Reduced β2GPI had stronger effect than β2GPI. GCH-1 is the speed limit of tetrahydrobiopterin (BH4) synthesis enzyme. As the key part of eNOS cofactors, BH4 could partly restore eNOS dimer induced by high glucose. Our results indicated that high glucose could interfere with eNOS dimer formation. β2GPI and reduced β2GPI can partly reverse the VEGF-NO axis uncoupling by restoring the GCH-1 expression level and then promote eNOS dimer formation.
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Affiliation(s)
- Zhou Saijun
- Key Laboratory of Hormones and Development (Ministry of Health), Metabolic Diseases Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tongan Road No. 66, the District of Heping, Tianjin 300070, China
| | - Li Xin
- Key Laboratory of Hormones and Development (Ministry of Health), Metabolic Diseases Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tongan Road No. 66, the District of Heping, Tianjin 300070, China
| | - Wang Jie
- Key Laboratory of Hormones and Development (Ministry of Health), Metabolic Diseases Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tongan Road No. 66, the District of Heping, Tianjin 300070, China
| | - Xiao Shumin
- Key Laboratory of Hormones and Development (Ministry of Health), Metabolic Diseases Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tongan Road No. 66, the District of Heping, Tianjin 300070, China
| | - Liu Shuaihui
- Key Laboratory of Hormones and Development (Ministry of Health), Metabolic Diseases Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tongan Road No. 66, the District of Heping, Tianjin 300070, China
| | - Yu Pei
- Key Laboratory of Hormones and Development (Ministry of Health), Metabolic Diseases Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tongan Road No. 66, the District of Heping, Tianjin 300070, China
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Lycium chinense leaves extract ameliorates diabetic nephropathy by suppressing hyperglycemia mediated renal oxidative stress and inflammation. Biomed Pharmacother 2018; 102:1145-1151. [PMID: 29710532 DOI: 10.1016/j.biopha.2018.03.037] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 03/07/2018] [Accepted: 03/09/2018] [Indexed: 01/12/2023] Open
Abstract
Diabetic nephropathy is one of the most serious and most frequently encountered diabetic complication, accounting for the highest cause of end-stage renal disease. This present study was aimed at exploring the protective/attenuative effect of Lycium chinense leaf extract (MELC) on streptozotocin induced diabetic nephropathy in experimental Sprague Dawley rats. The oral administration of diabetic rats with MELC markedly ameliorated renal dysfunction as observed in the significant reduction in the serum levels of creatinine, blood urea nitrogen (BUN), albumin and TGF-β1 as compared to the untreated diabetic control rats. In addition, the elevated levels of renal oxidative stress markers and pro-inflammatory parameters (GSH, SOD, CAT, MDA, TNF-α, IL-6 and IL-1β) were significantly reduced in MELC treated diabetic rats. The results obtained in this study suggests that L. chinense leaf might have the potential as possible pharmacological agent against diabetic nephropathy by suppressing renal oxidative stress and inflammation.
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Wang D, Gao Q, Wang T, Zhao G, Qian F, Huang J, Wang H, Zhang X, Wang Y. Green tea infusion protects against alcoholic liver injury by attenuating inflammation and regulating the PI3K/Akt/eNOS pathway in C57BL/6 mice. Food Funct 2018; 8:3165-3177. [PMID: 28782772 DOI: 10.1039/c7fo00791d] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Alcohol intake is a major risk factor for the pathogenesis of alcoholic liver diseases. Accumulating evidence suggests that green tea protects against alcoholic liver injury; however, the underlying mechanisms remain unclear. The present study investigated the role of endothelial nitric oxide synthase (eNOS) in the protective effects of green tea against alcohol-induced liver injury and inflammation. Ethanol was intragastrically administered to male C57BL/6 mice once a day, and the mice were allowed free access to green tea infusion or water for two weeks. We assessed the plasma levels of alanine aminotransferase and aspartate aminotransferase, hepatic contents of thiobarbituric acid reactive substances, malondialdehyde and triglyceride and hepatic mRNA expression of pro-inflammatory cytokines (interleukin-1β, tumor necrosis factor-α, and interleukin-6). Our results showed that compared with water alone, green tea infusion markedly reduced liver damage, hepatic oxidative stress, hepatic lipid accumulation and inflammatory response. Green tea infusion also significantly reduced hepatic nuclear factor-κB expression and its downstream inflammatory mediators (inducible nitric oxide synthase and cyclooxygenase-2) mRNA levels in ethanol-treated mice. Additionally, green tea infusion significantly activated hepatic phosphorylated phosphatidylinositol 3-kinase (PI3K) and phosphorylated protein kinase B (Akt), which are associated with the upregulation of phosphorylated eNOS expression and the increase of plasma nitric oxide levels in ethanol-treated mice. Furthermore, the protective effects of green tea infusion were considerably inhibited by the eNOS inhibitor NG-nitro-l-arginine methyl ester in ethanol-treated mice. In conclusion, our study demonstrated that the protective effects of green tea infusion on alcohol-induced liver injury and inflammation involve the modulation of the PI3K/AKT/eNOS pathway.
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Affiliation(s)
- Dongxu Wang
- State Key Laboratory of Tea Plant Biology and Utilization, School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei, Anhui, PR China.
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15
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Wang X, Li D, Fan L, Xiao Q, Zuo H, Li Z. CAPE- pNO 2 ameliorated diabetic nephropathy through regulating the Akt/NF-κB/ iNOS pathway in STZ-induced diabetic mice. Oncotarget 2017; 8:114506-114525. [PMID: 29383098 PMCID: PMC5777710 DOI: 10.18632/oncotarget.23016] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 11/14/2017] [Indexed: 02/07/2023] Open
Abstract
Diabetic nephropathy (DN) is one of the most severe complications of diabetes mellitus. This study aimed to determine the effects and potential mechanism of caffeic acid para-nitro phenethyl ester (CAPE-pNO2), a derivative of caffeic acid phenethyl ester (CAPE), on DN; In vivo, intraperitoneal injections of streptozotocin (STZ) were used to induce diabetes in mice; then, the mice were intraperitoneally injected daily with CAPE or CAPE-pNO2 for 8 weeks. The mice were sacrificed, and blood samples and kidney tissues were collected to measure biological indexes. The results showed that CAPE and CAPE-pNO2 could lower serum creatinine, blood urea nitrogen, 24-h albumin excretion, malondialdehyde and myeloperoxidase levels and increase superoxide dismutase activity in diabetic mice. According to HE, PAS and Masson staining, these two compounds ameliorated structural changes and fibrosis in the kidneys. In addition, the immunohistochemical and western blot results showed that CAPE and CAPE-pNO2 inhibited inflammation through the Akt/NF-κB pathway and prevented renal fibrosis through the TGF-β/Smad pathway. In vitro, CAPE and CAPE-pNO2 inhibited glomerular mesangial cell (GMC) proliferation, arrested cell cycle progression and suppressed ROS generation. These compounds also inhibited ECM accumulation via regulating the TGF-β1, which was a similar effect to that of the NF-κB inhibitor PDTC. More importantly, CAPE and CAPE-pNO2 could up-regulate nitric oxide synthase expression in STZ-induced diabetic mice and HG-induced GMCs. CAPE-pNO2 had stronger effects than CAPE both in vivo and in vitro. These data suggest that CAPE-pNO2 ameliorated DN by suppressing oxidative stress, inflammation, and fibrosis via the Akt/NF-κB/ iNOS pathway.
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Affiliation(s)
- Xiaoling Wang
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Dejuan Li
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Lu Fan
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Qianhan Xiao
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Hua Zuo
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Zhubo Li
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
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16
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Simon F, Tapia P, Armisen R, Echeverria C, Gatica S, Vallejos A, Pacheco A, Sanhueza ME, Alvo M, Segovia E, Torres R. Human Peritoneal Mesothelial Cell Death Induced by High-Glucose Hypertonic Solution Involves Ca 2+ and Na + Ions and Oxidative Stress with the Participation of PKC/NOX2 and PI3K/Akt Pathways. Front Physiol 2017; 8:379. [PMID: 28659813 PMCID: PMC5468383 DOI: 10.3389/fphys.2017.00379] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2017] [Accepted: 05/22/2017] [Indexed: 01/07/2023] Open
Abstract
Chronic peritoneal dialysis (PD) therapy is equally efficient as hemodialysis while providing greater patient comfort and mobility. Therefore, PD is the treatment of choice for several types of renal patients. During PD, a high-glucose hyperosmotic (HGH) solution is administered into the peritoneal cavity to generate an osmotic gradient that promotes water and solutes transport from peritoneal blood to the dialysis solution. Unfortunately, PD has been associated with a loss of peritoneal viability and function through the generation of a severe inflammatory state that induces human peritoneal mesothelial cell (HPMC) death. Despite this deleterious effect, the precise molecular mechanism of HPMC death as induced by HGH solutions is far from being understood. Therefore, the aim of this study was to explore the pathways involved in HGH solution-induced HPMC death. HGH-induced HPMC death included influxes of intracellular Ca2+ and Na+. Furthermore, HGH-induced HPMC death was inhibited by antioxidant and reducing agents. In line with this, HPMC death was induced solely by increased oxidative stress. In addition to this, the cPKC/NOX2 and PI3K/Akt intracellular signaling pathways also participated in HGH-induced HPMC death. The participation of PI3K/Akt intracellular is in agreement with previously shown in rat PMC apoptosis. These findings contribute toward fully elucidating the underlying molecular mechanism mediating peritoneal mesothelial cell death induced by high-glucose solutions during peritoneal dialysis.
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Affiliation(s)
- Felipe Simon
- Departamento de Ciencias Biologicas, Facultad de Ciencias Biologicas and Facultad de Medicina, Universidad Andres BelloSantiago, Chile.,Millennium Institute on Immunology and ImmunotherapySantiago, Chile
| | - Pablo Tapia
- Unidad de Paciente Critico, Hospital Clínico Metropolitano de La FloridaSantiago, Chile
| | - Ricardo Armisen
- Centro de Investigación y Tratamiento del Cancer, Facultad de Medicina, Universidad de ChileSantiago, Chile.,Center for Excellence in Precision Medicine Pfizer, Pfizer ChileSantiago, Chile
| | - Cesar Echeverria
- Centro Integrativo de Biología y Química Aplicada, Universidad Bernardo OHigginsSantiago, Chile
| | - Sebastian Gatica
- Departamento de Ciencias Biologicas, Facultad de Ciencias Biologicas and Facultad de Medicina, Universidad Andres BelloSantiago, Chile
| | - Alejandro Vallejos
- Departamento de Ciencias Biologicas, Facultad de Ciencias Biologicas and Facultad de Medicina, Universidad Andres BelloSantiago, Chile
| | - Alejandro Pacheco
- Sección de Nefrología, Departamento de Medicina, Hospital Clínico Universidad de ChileSantiago, Chile
| | - Maria E Sanhueza
- Sección de Nefrología, Departamento de Medicina, Hospital Clínico Universidad de ChileSantiago, Chile
| | - Miriam Alvo
- Sección de Nefrología, Departamento de Medicina, Hospital Clínico Universidad de ChileSantiago, Chile
| | - Erico Segovia
- Centro Integrativo de Biología y Química Aplicada, Universidad Bernardo OHigginsSantiago, Chile
| | - Rubén Torres
- Sección de Nefrología, Departamento de Medicina, Hospital Clínico Universidad de ChileSantiago, Chile.,Facultad de Medicina, Instituto de Ciencias Biomédicas, Universidad de ChileSantiago, Chile
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17
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Xu L, Shen P, Bi Y, Chen J, Xiao Z, Zhang X, Wang Z. Danshen injection ameliorates STZ-induced diabetic nephropathy in association with suppression of oxidative stress, pro-inflammatory factors and fibrosis. Int Immunopharmacol 2016; 38:385-94. [PMID: 27355131 DOI: 10.1016/j.intimp.2016.06.024] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 05/29/2016] [Accepted: 06/21/2016] [Indexed: 12/14/2022]
Abstract
Diabetic nephropathy (DN) is one of the most frequent complications in diabetes mellitus. This study aimed to explore whether Danshen injection is protective to renal tissue in diabetes. Intraperitoneal injection of streptozotocin (STZ) (60mg/kg) was used to induce diabetes in rats. Some STZ-induced diabetic rats were also intraperitoneally injected with Danshen solution at two different dosages (0.5 or 1ml/kg/day) for 6weeks. Our results showed that serum creatinine (sCr) and blood urea nitrogen were significantly increased in STZ-induced diabetic rats, which was alleviated upon Danshen injection. Danshen injection was also found to ameliorate hypertrophy and dilatation of renal tubule and glomeruli possibly by decreasing the expression of collagen and fibronectin in association with suppression of TGF-β1/Smad pathway. Further investigation revealed that Danshen injection could increase the activity of superoxide dismutase (SOD), and reduce reactive oxygen species (ROS) and malondialdehyde (MDA) levels in STZ-induced diabetic rats, indicating suppression of oxidative stress. In addition, we also found that Danshen injection could suppress IκB/NF-κB signaling pathway and reduce the level of a number of pro-inflammatory factors, including tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β) and interleukin-6 (IL-6) in the diabetic renal tissue, indicating suppression of inflammation. In conclusion, our results demonstrated that Danshen injection may rescue STZ-induced diabetic nephropathy, possibly via suppressing the oxidative stress, inflammatory responses and fibrosis progression.
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Affiliation(s)
- Linhao Xu
- Department of Anatomy, Faculty of Basic Medicine, Zhejiang Medical College, Hangzhou, Zhejiang 310053, PR China
| | - Peiqiang Shen
- Research and Development Center of Chiatai Qingchunbao, Hangzhou, Zhejiang 310000, PR China
| | - Yanli Bi
- Department of Clinical Laboratorial Examination, Hangzhou Hai Qin Sanatorium, Hangzhou, Zhejiang 310002, PR China
| | - Jian Chen
- Department of Pathology, Faculty of Basic Medicine, Zhejiang Medical College, Hangzhou, Zhejiang 310053, PR China
| | - Zhangang Xiao
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, PR China
| | - Xiaoming Zhang
- Department of Anatomy, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310058, PR China
| | - Zheng Wang
- Department of Anatomy, Faculty of Basic Medicine, Zhejiang Medical College, Hangzhou, Zhejiang 310053, PR China.
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18
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Song L, Shi S, Jiang W, Liu X, He Y. Protective role of propofol on the kidney during early unilateral ureteral obstruction through inhibition of epithelial-mesenchymal transition. Am J Transl Res 2016; 8:460-472. [PMID: 27158339 PMCID: PMC4846896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Accepted: 01/06/2016] [Indexed: 06/05/2023]
Abstract
Unilateral ureteral obstruction (UUO) induces functional and pathological changes in the obstructed kidney. Inducible nitric oxide synthase (iNOS) expression is high inearly UUO mouse kidney, which is accompanied with fibrosis. Propofol has preventive effects against renal injury by downregulating iNOS expression in UUO mouse models. However, the role of propofol in kidney fibrosis progression has not been reported. We explored the therapeutic potential and possible mechanisms of action of propofol in kidney fibrosis using a UUO mouse model. Herein, mice anesthetized with propofol or sevoflurane underwent UUO induction. Serum and kidney sections were collected 5 and 28 days post-operation for histological, morphometric, immunofluorescence, microRNA analyses; quantitative PCR and western blotting. In vivo, the effect and mechanism of propofol on epithelial-mesenchymal transition (EMT), transforming growth factor β (TGF-β) signaling and miR-155 levels were detected in cultured HK-2 cells. We found that propofol significantly suppressed UUO-induced kidney fibrosis, which was associated with TGF-β/Smad3 signaling, EMT, and iNOS-NO production. MiR-155 levels were higher in UUO mouse kidneys; compared with sevoflurane, propofol suppressed miR-155 levels. However, in late UUO, propofol could not prevent kidney fibrosis or suppress EMT and miR-155. The in vitro results showed that propofol suppressed TGF-β1-induced EMT by regulating miR-155 levels. As a conclusion, in early UUO mice, propofol may inhibit TGF-β1 expression and NO-iNOS production, consequently inhibiting EMT and kidney fibrosis by regulating miR-155 levels, and might be a new protective agent against kidney injury during surgery and in therapy to prevent kidney fibrosis.
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Affiliation(s)
- Li Song
- Department of Anesthesiology, Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan 646000, China
| | - Sen Shi
- Department of Vascular and Thyroid Surgery, Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan 646000, China
| | - Wei Jiang
- Department of Rehabilitation, Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan 646000, China
| | - Xueru Liu
- Department of Anesthesiology, Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan 646000, China
| | - Yanzheng He
- Department of Vascular and Thyroid Surgery, Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan 646000, China
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Wihastuti TA, Widodo MA, Heriansyah T, Sari NAK. Study of the inhibition effect of ethanolic extract of mangosteen pericarp on atherogenesis in hypercholesterolemic rat. ASIAN PACIFIC JOURNAL OF TROPICAL DISEASE 2015. [DOI: 10.1016/s2222-1808(15)60940-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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20
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Qin G, Zhou Y, Guo F, Ren L, Wu L, Zhang Y, Ma X, Wang Q. Overexpression of the FoxO1 Ameliorates Mesangial Cell Dysfunction in Male Diabetic Rats. Mol Endocrinol 2015; 29:1080-91. [PMID: 26029993 DOI: 10.1210/me.2014-1372] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
The dysfunction of mesangial cells (MCs) in high-glucose (HG) conditions plays pivotal role in inducing glomerular sclerosis by causing the imbalance between generation and degradation of extracellular matrix (ECM) proteins, which ultimately leads to diabetic nephropathy. This study was designed to determine the function of forkhead box protein O1 (FoxO1), an important transcription factors in regulating cell metabolism and oxidative stress, in MCs in HG conditions. Up-regulation of fibronectin, collagen type IV, and plasminogen activator inhibitor (PAI-1) was observed under HG conditions in vivo and in vitro, accompanied with elevation of protein kinase B (Akt) phosphorylation and reduction of FoxO1 bioactivity. After overexpression of constitutively active (CA) FoxO1 in vivo and in vitro by using lentivirus vector, in vivo and in vitro, FoxO1 expression and activity was increased, in accordance with up-regulation of antioxidative genes (catalase and superoxide dismutase, leading to alleviated oxidative stress as well as attenuated Akt activity, whereas overexpression of wild type-FoxO1 only expressed partial effect. Moreover, CA-FoxO1 decreased the expression of fibronectin, collagen type IV, and PAI-1, causing amelioration of renal pathological changes and decrease of ECM protein deposition in glomerulus. Overexpression of CA-FoxO1 in renal cortex also decreased activin type-I receptor-like kinase-5 levels and increased signaling mothers against decapentaplegic (Smad) 7 levels, and simultaneously inhibited Smad3 phosphorylation. Results from in vitro study indicated that increased combination of FoxO1 and Smad3 may interfere with the function of Smad3, including Smad3 phosphorylation and translocation, interaction with cAMP response element binding protein (CREB)-binding protein, and binding with PAI-1 promoter. Together, our findings shed light on the novel function of FoxO1 in inhibiting ECM deposition, which is beneficial to ameliorate MC dysfunction.
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Affiliation(s)
- Guijun Qin
- Department of Endocrinology (G.Q., Y.Zho., F.G., L.R., L.W., Y.Zha., X.M., Q.W.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China; and Institute of Clinical Medicine (Y.Zho., F.G., L.W., Y.Zha.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
| | - Yingni Zhou
- Department of Endocrinology (G.Q., Y.Zho., F.G., L.R., L.W., Y.Zha., X.M., Q.W.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China; and Institute of Clinical Medicine (Y.Zho., F.G., L.W., Y.Zha.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
| | - Feng Guo
- Department of Endocrinology (G.Q., Y.Zho., F.G., L.R., L.W., Y.Zha., X.M., Q.W.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China; and Institute of Clinical Medicine (Y.Zho., F.G., L.W., Y.Zha.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
| | - Lei Ren
- Department of Endocrinology (G.Q., Y.Zho., F.G., L.R., L.W., Y.Zha., X.M., Q.W.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China; and Institute of Clinical Medicine (Y.Zho., F.G., L.W., Y.Zha.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
| | - Lina Wu
- Department of Endocrinology (G.Q., Y.Zho., F.G., L.R., L.W., Y.Zha., X.M., Q.W.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China; and Institute of Clinical Medicine (Y.Zho., F.G., L.W., Y.Zha.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
| | - Yuanyuan Zhang
- Department of Endocrinology (G.Q., Y.Zho., F.G., L.R., L.W., Y.Zha., X.M., Q.W.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China; and Institute of Clinical Medicine (Y.Zho., F.G., L.W., Y.Zha.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
| | - Xiaojun Ma
- Department of Endocrinology (G.Q., Y.Zho., F.G., L.R., L.W., Y.Zha., X.M., Q.W.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China; and Institute of Clinical Medicine (Y.Zho., F.G., L.W., Y.Zha.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
| | - Qingzhu Wang
- Department of Endocrinology (G.Q., Y.Zho., F.G., L.R., L.W., Y.Zha., X.M., Q.W.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China; and Institute of Clinical Medicine (Y.Zho., F.G., L.W., Y.Zha.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
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Morsy MA, Heeba GH, Mahmoud ME. Ameliorative effect of eprosartan on high-fat diet/streptozotocin-induced early diabetic nephropathy in rats. Eur J Pharmacol 2015; 750:90-7. [DOI: 10.1016/j.ejphar.2015.01.027] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Revised: 01/15/2015] [Accepted: 01/19/2015] [Indexed: 12/26/2022]
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22
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Kuwabara WMT, Zhang L, Schuiki I, Curi R, Volchuk A, Alba-Loureiro TC. NADPH oxidase-dependent production of reactive oxygen species induces endoplasmatic reticulum stress in neutrophil-like HL60 cells. PLoS One 2015; 10:e0116410. [PMID: 25668518 PMCID: PMC4323339 DOI: 10.1371/journal.pone.0116410] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Accepted: 12/09/2014] [Indexed: 01/20/2023] Open
Abstract
Reactive oxygen species (ROS) primarily produced via NADPH oxidase play an important role for killing microorganisms in neutrophils. In this study we examined if ROS production in Human promyelocytic leukemia cells (HL60) differentiated into neutrophil-like cells (dHL60) induces ER stress and activates the unfolded protein response (UPR). To cause ROS production cells were treated with PMA or by chronic hyperglycemia. Chronic hyperglycemia failed to induce ROS production and did not cause activation of the UPR in dHL60 cells. PMA, a pharmacologic NADPH oxidase activator, induced ER stress in dHL60 cells as monitored by IRE-1 and PERK pathway activation, and this was independent of calcium signaling. The NADPH oxidase inhibitor, DPI, abolished both ROS production and UPR activation. These results show that ROS produced by NADPH oxidase induces ER stress and suggests a close association between the redox state of the cell and the activation of the UPR in neutrophil-like HL60 cells.
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Affiliation(s)
| | - Liling Zhang
- Department of Physiology, University of Toronto, Toronto, Ontario, Canada
| | - Irmgard Schuiki
- Department of Physiology, University of Toronto, Toronto, Ontario, Canada
| | - Rui Curi
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Allen Volchuk
- Department of Physiology, University of Toronto, Toronto, Ontario, Canada
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Wang JY, Liu S, Qin N, Yang QQ, Guo H, Zhang F, Yin XX. Jak2/Stat1 pathway mediated tetrahydrobiopterin up-regulation contributes to nitric oxide overproduction in high-glucose cultured rat mesangial cells. Can J Physiol Pharmacol 2015; 93:81-9. [PMID: 25478902 DOI: 10.1139/cjpp-2014-0255] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
Nitric oxide (NO) is crucial for the progression of early diabetic nephropathy (DN). It is important to clarify the mechanism for the production of NO in mesangial cells (MCs). In this study, the amounts/activities of related factors such as reactive oxygen species (ROS), NO, 3 isoforms of nitric oxide synthase (NOS), tetrahydrobiopterin (BH4), GTP cyclohydrolase I (GTPCH I), Jak2, and Stat1 were determined using high-glucose cultured rat MCs. The results showed that the production of BH4 under oxidative stress was strongly stimulated by its rate-limiting enzyme GTP cyclohydrolase, which increased the expression and activity of inducible NOS to facilitate NO synthesis. Furthermore, the relative quantities of activated-Jak2 and activated-Stat1 were increased. Therefore, Jak2/Stat1 pathway mediated BH4 up-regulation can contribute to excessive NO in high-glucose cultured MCs. Our results will be helpful for screening new targets to improve the therapy for early DN.
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Affiliation(s)
- Jian-Yun Wang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical College, 209 Tongshan Road, Xuzhou 221004, Jiangsu, China
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Liu TT, Ding TL, Ma Y, Wei W. Selective α1B- and α1D-adrenoceptor antagonists suppress noradrenaline-induced activation, proliferation and ECM secretion of rat hepatic stellate cells in vitro. Acta Pharmacol Sin 2014; 35:1385-92. [PMID: 25283507 DOI: 10.1038/aps.2014.84] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Accepted: 07/07/2014] [Indexed: 12/11/2022] Open
Abstract
AIM To explore the effects of noradrenaline (NA) on hepatic stellate cells (HSCs) in vitro and to determine the adrenoceptor (AR) subtypes and underlying mechanisms. METHODS The distribution and expressions of α1A-, α1B-, and α1D-ARs in HSC-T6 cells were analyzed using immunocytochemistry and RT-PCR. Cell proliferation was evaluated with MTT assay. The expression of HSC activation factors [transforming factor-β1 (TGF-β1) and α-smooth muscle actin (α-SMA)], extracellular matrix (ECM) secretion factors [tissue inhibitor of metalloproteinase-1 (TIMP-1) and collagen-Ι (ColΙ)] and PKC-PI3K-AKT signaling components (PKC, PI3K, and AKT) in the cells were detected by Western blotting and RT-PCR. RESULTS Both α1B- and α1D-AR were expressed in the membrane of HSC-T6 cells, whereas α1A-AR was not detected. Treatment of the cells with NA concentration-dependently increased cell proliferation (EC50=277 nmol/L), which was suppressed by the α1B-AR antagonist CEC or by the α1D-AR antagonist BMY7378. Furthermore, NA (0.001, 0.1, and 10 μmol/L) concentration-dependently increased the expression of TGF-β1, α-SMA, TIMP-1 and ColΙ, PKC and PI3K, and phosphorylation of AKT in HSC-T6 cells, which were suppressed by CEC or BMY7378, or by pertussis toxin (PT), RO-32-0432 (PKC antagonist), LY294002 (PI3K antagonist) or GSK690693 (AKT antagonist). CONCLUSION NA promotes HSC-T6 cell activation, proliferation and secretion of ECM in vitro via activation of Gα-coupled α1B-AR and α1D-AR and the PKC-PI3K-AKT signaling pathway.
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PERK pathway are involved in NO-induced apoptosis in endothelial cells cocultured with RPE under high glucose conditions. Nitric Oxide 2014; 40:10-6. [DOI: 10.1016/j.niox.2014.05.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2013] [Revised: 04/14/2014] [Accepted: 05/01/2014] [Indexed: 01/26/2023]
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Therapeutic effects of DZ2002, a reversible SAHH inhibitor, on lupus-prone NZB×NZW F1 mice via interference with TLR-mediated APC response. Acta Pharmacol Sin 2014; 35:219-29. [PMID: 24374810 DOI: 10.1038/aps.2013.167] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Accepted: 10/02/2013] [Indexed: 01/13/2023] Open
Abstract
AIM To examine the therapeutic effects and underlying mechanisms of DZ2002, a reversible S-adenosyl-L-homocysteine hydrolase (SAHH) inhibitor, on lupus-prone female NZB×NZW F1 (NZB/W F1) mice. METHODS Female NZB/W F1 mice were treated orally with DZ2002 (0.5 mg·kg(-1)·d(-1)) for 11 weeks, and the proteinuria level and body weight were monitored. After the mice ware euthanized, serum biochemical parameters and renal damage were determined. Splenocytes of NZB/W F1 mice were isolated for ex vivo study. Toll-like receptor (TLR)-stimulated human peripheral blood mononuclear cells (PBMCs) or murine bone marrow-derived dendritic cells (BMDCs) were used for in vitro study. RESULTS Treatment of the mice with DZ2002 significantly attenuated the progression of glomerulonephritis and improved the overall health. The improvement was accompanied by decreased levels of nephritogenic anti-dsDNA IgG2a and IgG3 antibodies, serum IL-17, IL-23p19 and TGF-β. In ex vivo studies, treatment of the mice with DZ2002 suppressed the development of pathogenic Th17 cells, significantly decreased IL-17, TGF-β, IL-6, and IL-23p19 production and impeded activation of the STAT3 protein and JNK/NF-κB signaling in splenocytes. DZ2002 (500 μmol/L) significantly suppressed TLR agonists-stimulated up-regulation in IL-6, IL-12p40, TNF-α, and IgG and IgM secretion as well as in HLA-DR and CD40 expression of dendritic cells among human PBMCs in vitro. DZ2002 (100 μmol/L) also significantly suppressed TLR agonists-stimulated up-regulation in IL-6 and IL-23p19 production in murine BMDCs, and prevented Th17 differentiation and suppressed IL-17 secretion by the T cells in a BMDC-T cell co-culture system. CONCLUSION DZ2002 effectively ameliorates lupus syndrome in NZB/W F1 mice by regulating TLR signaling-mediated antigen presenting cell (APC) responses.
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