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Król-Kulikowska M, Banasik M, Kepinska M. The Effect of Selected Nitric Oxide Synthase Polymorphisms on the Risk of Developing Diabetic Nephropathy. Antioxidants (Basel) 2024; 13:838. [PMID: 39061907 PMCID: PMC11273648 DOI: 10.3390/antiox13070838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2024] [Revised: 07/09/2024] [Accepted: 07/10/2024] [Indexed: 07/28/2024] Open
Abstract
BACKGROUND Nitric oxide synthase (NOS) is an enzyme that catalyzes the formation of nitric oxide (NO), the altered production of which is characteristic of diabetic nephropathy. NOS exists in three isoforms: NOS1, NOS2, and NOS3. Moreover, there are reports about the potential role of NOS3 polymorphisms in the development of diabetes complications. The aim of this study was to assess the role of selected NOS polymorphisms-rs3782218 (NOS1), rs1137933 (NOS2), rs1799983, rs2070744, and rs61722009 (NOS3)-in the risk of developing diabetic nephropathy and in the likelihood of renal replacement therapy. METHODS The studied polymorphisms were analyzed in a group of 232 patients divided into three groups. Four polymorphisms (rs3782218, rs1137933, rs1799983, rs2070744) were genotyped using the PCR-RFLP, while the rs61722009 polymorphism was genotyped using the PCR. RESULTS The C/C genotype and the C allele of the rs3782218 polymorphism (NOS1) were associated with an increased risk of developing diabetic nephropathy and an increased likelihood of renal replacement therapy. In turn, the G allele of the rs1137933 polymorphism (NOS2) reduces the likelihood of renal replacement therapy. CONCLUSIONS The specific genotypes or alleles of the rs3782218 (NOS1) and rs1137933 (NOS2) polymorphisms seem to be potential risk factors for diabetic nephropathy and renal replacement therapy.
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Affiliation(s)
- Magdalena Król-Kulikowska
- Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211a, 50-556 Wroclaw, Poland;
| | - Mirosław Banasik
- Department and Clinic of Nephrology and Transplantation Medicine, Faculty of Medicine, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland;
| | - Marta Kepinska
- Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211a, 50-556 Wroclaw, Poland;
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Deng LE, Guo M, Deng Y, Pan Y, Wang X, Maduraiveeran G, Liu J, Lu C. MOF-Based Platform for Kidney Diseases: Advances, Challenges, and Prospects. Pharmaceutics 2024; 16:793. [PMID: 38931914 PMCID: PMC11207304 DOI: 10.3390/pharmaceutics16060793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/03/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024] Open
Abstract
Kidney diseases are important diseases that affect human health worldwide. According to the 2020 World Health Organization (WHO) report, kidney diseases have become the top 10 causes of death. Strengthening the prevention, primary diagnosis, and action of kidney-related diseases is of great significance in maintaining human health and improving the quality of life. It is increasingly challenging to address clinical needs with the present technologies for diagnosing and treating renal illness. Fortunately, metal-organic frameworks (MOFs) have shown great promise in the diagnosis and treatment of kidney diseases. This review summarizes the research progress of MOFs in the diagnosis and treatment of renal disease in recent years. Firstly, we introduce the basic structure and properties of MOFs. Secondly, we focus on the utilization of MOFs in the diagnosis and treatment of kidney diseases. In the diagnosis of kidney disease, MOFs are usually designed as biosensors to detect biomarkers related to kidney disease. In the treatment of kidney disease, MOFs can not only be used as an effective adsorbent for uremic toxins during hemodialysis but also as a precise treatment of intelligent drug delivery carriers. They can also be combined with nano-chelation technology to solve the problem of the imbalance of trace elements in kidney disease. Finally, we describe the current challenges and prospects of MOFs in the diagnosis and treatment of kidney diseases.
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Affiliation(s)
- Li-Er Deng
- Department of Nephrology, Dongguan Traditional Chinese Medicine Hospital, Dongguan 523000, China
| | - Manli Guo
- Dongguan Key Laboratory of Drug Design and Formulation Technology, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, China
| | - Yijun Deng
- Dongguan Key Laboratory of Drug Design and Formulation Technology, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, China
| | - Ying Pan
- Dongguan Key Laboratory of Drug Design and Formulation Technology, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, China
| | - Xiaoxiong Wang
- School of Materials and Environmental Engineering, Shenzhen Polytechnic University, Shenzhen 518055, China
| | - Govindhan Maduraiveeran
- Materials Electrochemistry Laboratory, Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India;
| | - Jianqiang Liu
- Dongguan Key Laboratory of Drug Design and Formulation Technology, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, China
| | - Chengyu Lu
- Dongguan Key Laboratory of Drug Design and Formulation Technology, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, China
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Chen B, Yu P, Chan WN, Xie F, Zhang Y, Liang L, Leung KT, Lo KW, Yu J, Tse GMK, Kang W, To KF. Cellular zinc metabolism and zinc signaling: from biological functions to diseases and therapeutic targets. Signal Transduct Target Ther 2024; 9:6. [PMID: 38169461 PMCID: PMC10761908 DOI: 10.1038/s41392-023-01679-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 09/15/2023] [Accepted: 10/10/2023] [Indexed: 01/05/2024] Open
Abstract
Zinc metabolism at the cellular level is critical for many biological processes in the body. A key observation is the disruption of cellular homeostasis, often coinciding with disease progression. As an essential factor in maintaining cellular equilibrium, cellular zinc has been increasingly spotlighted in the context of disease development. Extensive research suggests zinc's involvement in promoting malignancy and invasion in cancer cells, despite its low tissue concentration. This has led to a growing body of literature investigating zinc's cellular metabolism, particularly the functions of zinc transporters and storage mechanisms during cancer progression. Zinc transportation is under the control of two major transporter families: SLC30 (ZnT) for the excretion of zinc and SLC39 (ZIP) for the zinc intake. Additionally, the storage of this essential element is predominantly mediated by metallothioneins (MTs). This review consolidates knowledge on the critical functions of cellular zinc signaling and underscores potential molecular pathways linking zinc metabolism to disease progression, with a special focus on cancer. We also compile a summary of clinical trials involving zinc ions. Given the main localization of zinc transporters at the cell membrane, the potential for targeted therapies, including small molecules and monoclonal antibodies, offers promising avenues for future exploration.
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Affiliation(s)
- Bonan Chen
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
- State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, China
- CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
| | - Peiyao Yu
- Department of Pathology, Nanfang Hospital and Basic Medical College, Southern Medical University, Guangdong Province Key Laboratory of Molecular Tumor Pathology, Guangzhou, China
| | - Wai Nok Chan
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
- State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, China
- CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
| | - Fuda Xie
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
- State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, China
- CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
| | - Yigan Zhang
- Institute of Biomedical Research, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Li Liang
- Department of Pathology, Nanfang Hospital and Basic Medical College, Southern Medical University, Guangdong Province Key Laboratory of Molecular Tumor Pathology, Guangzhou, China
| | - Kam Tong Leung
- Department of Pediatrics, The Chinese University of Hong Kong, Hong Kong, China
| | - Kwok Wai Lo
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Jun Yu
- State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, China
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong, China
| | - Gary M K Tse
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Wei Kang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.
- State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, China.
- CUHK-Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China.
| | - Ka Fai To
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.
- State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, China.
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Rabizadeh S, Heidari F, Karimi R, Rajab A, Rahimi‐Dehgolan S, Yadegar A, Mohammadi F, Mirmiranpour H, Esteghamati A, Nakhjavani M. Vitamin C supplementation lowers advanced glycation end products (AGEs) and malondialdehyde (MDA) in patients with type 2 diabetes: A randomized, double-blind, placebo-controlled clinical trial. Food Sci Nutr 2023; 11:5967-5977. [PMID: 37823170 PMCID: PMC10563761 DOI: 10.1002/fsn3.3530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/22/2023] [Accepted: 06/15/2023] [Indexed: 10/13/2023] Open
Abstract
This study evaluated how daily vitamin C administration impacts systemic oxidative stress and inflammation and its safety in T2D patients. This randomized, double-blinded, placebo-controlled, parallel-arm clinical trial included 70 patients with T2D. They were allocated to receive either 500 mg/day of vitamin C or a matching placebo for 8 weeks. Of the 70 subjects assigned to the trial, 57 were included in the statistical analysis (vitamin C: n = 32, placebo: n = 25). Inflammatory and oxidative markers, including advanced glycation end products (AGEs), malondialdehyde (MDA), advanced oxidation protein products (AOPP), oxidized low-density lipoprotein (ox-LDL), highly sensitive C-reactive protein (hs-CRP), tumor necrosis factor-α (TNF-α), and ferric reducing ability of plasma (FRAP) were measured at baseline and the end of the trial. In addition, vitamin C tolerance was evaluated. A nutritionist visited all participants for a standard diabetic regimen. Following vitamin C supplementation, the serum levels of MDA (p-value < .001) and AGEs (p-value = .002) demonstrated a significant decrease after controlling for multiple confounders, including age, blood pressure, waist circumference, HbA1C, TG, and LDL-C, while no significant changes were observed for AOPP (p-value = .234) and ox-LDL (p-value = .480). The FRAP showed an increasing trend as an antioxidant marker but was not statistically significant (p-value = .312). The hs-CRP and TNF-α had no significant changes (p-value: .899 and .454, respectively). Also, no major adverse events were observed. Vitamin C supplementation may be beneficial in reducing AGEs and MDA in patients with T2D.
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Affiliation(s)
- Soghra Rabizadeh
- Endocrinology and Metabolism Research Center (EMRC)Vali‐Asr Hospital, Tehran University of Medical SciencesTehranIran
| | - Firouzeh Heidari
- Endocrinology and Metabolism Research Center (EMRC)Vali‐Asr Hospital, Tehran University of Medical SciencesTehranIran
| | - Reza Karimi
- Endocrinology and Metabolism Research Center (EMRC)Vali‐Asr Hospital, Tehran University of Medical SciencesTehranIran
| | - Armin Rajab
- Endocrinology and Metabolism Research Center (EMRC)Vali‐Asr Hospital, Tehran University of Medical SciencesTehranIran
| | - Shahram Rahimi‐Dehgolan
- Endocrinology and Metabolism Research Center (EMRC)Vali‐Asr Hospital, Tehran University of Medical SciencesTehranIran
| | - Amirhossein Yadegar
- Endocrinology and Metabolism Research Center (EMRC)Vali‐Asr Hospital, Tehran University of Medical SciencesTehranIran
| | - Fatemeh Mohammadi
- Endocrinology and Metabolism Research Center (EMRC)Vali‐Asr Hospital, Tehran University of Medical SciencesTehranIran
| | - Hossein Mirmiranpour
- Endocrinology and Metabolism Research Center (EMRC)Vali‐Asr Hospital, Tehran University of Medical SciencesTehranIran
| | - Alireza Esteghamati
- Endocrinology and Metabolism Research Center (EMRC)Vali‐Asr Hospital, Tehran University of Medical SciencesTehranIran
| | - Manouchehr Nakhjavani
- Endocrinology and Metabolism Research Center (EMRC)Vali‐Asr Hospital, Tehran University of Medical SciencesTehranIran
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Management of Invasive Infections in Diabetes Mellitus: A Comprehensive Review. BIOLOGICS 2023. [DOI: 10.3390/biologics3010004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
Abstract
Patients with diabetes often have more invasive infections, which may lead to an increase in morbidity. The hyperglycaemic environment promotes immune dysfunction (such as the deterioration of neutrophil activity, antioxidant system suppression, and compromised innate immunity), micro- and microangiopathies, and neuropathy. A greater number of medical interventions leads to a higher frequency of infections in diabetic patients. Diabetic individuals are susceptible to certain conditions, such as rhino-cerebral mucormycosis or aspergillosis infection. Infections may either be the primary symptom of diabetes mellitus or act as triggers in the intrinsic effects of the disease, such as diabetic ketoacidosis and hypoglycaemia, in addition to increasing morbidity. A thorough diagnosis of the severity and origin of the infection is necessary for effective treatment, which often entails surgery and extensive antibiotic use. Examining the significant issue of infection in individuals with diabetes is crucial. Comprehensive research should examine why infections are more common amongst diabetics and what the preventive treatment strategies could be.
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Wang D, Wang N, Zhou J, Luo G, Li Y, Yu W, Tan H, Liu G, Wang J, Hao L. Urine trace element disorder along with renal function injury in vitamin D deficient diabetic rats and intervention effect of 1α,25-dihydroxyvitamin D3. Front Nutr 2022; 9:1042558. [PMID: 36562035 PMCID: PMC9763592 DOI: 10.3389/fnut.2022.1042558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 11/22/2022] [Indexed: 12/12/2022] Open
Abstract
Introduction Trace element metabolism disorders are often secondary to disorders of glucose metabolism in diabetes. Although 1α,25-dihydroxyvitamin D3 [1,25(OH)2D3] could ameliorate abnormal glucose metabolism in the development of diabetes, the effect on trace element metabolism is unclear. The objective of this study was to evaluate the influence of 1,25(OH)2D3 on urinary excretions of trace elements in Zucker diabetic fatty (ZDF) rats. Methods At 6 weeks of age, male ZDF (n = 40) rats were subdivided into four groups: diabetic model (ZDF), low-dose (ZDF + VL, 2 μg/kg⋅bw), middle-dose (ZDF + VM, 8 μg/kg⋅bw) and high-dose (ZDF + VH, 16 μg/kg⋅bw) 1,25(OH)2D3 groups. Another 10 Zucker lean (ZL) rats served as a control group. All rats were given vitamin D deficient Purina #5008 chow and the intervention groups were given the corresponding dose of 1,25(OH)2D3 by gavage on alternate days for 7 weeks. Microalbuminuria (MALB) and urinary creatinine concentration were detected by a biochemical autoanalyzer. Urine trace element concentrations were measured using inductively coupled plasma mass spectrometry (ICP-MS) and were corrected by urinary creatinine. Results Throughout the intervention phase, MALB, UACR and urinary creatinine levels in the ZDF group were significantly higher than those in the ZL group, and showed a gradual increase with the prolongation of the intervention time. These changes were reversed in a dose-dependent manner after 1,25(OH)2D3 intervention (P < 0.05). Correspondingly, most of the urinary trace element excretions in the ZDF rats were significantly increased compared with the ZL group, and 1,25(OH)2D3 intervention significantly reduced the urinary copper (Cu), zinc (Zn), selenium (Se) and molybdenum (Mo) levels in the ZDF rats (P < 0.05), especially in the medium and high dose groups. Conclusion 1,25(OH)2D3 had improvement effects on urinary Cu, Zn, Se, and Mo excretions in ZDF rats, suggesting that it may be related to the reduction of diabetic renal impairment and renal oxidative damage.
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Affiliation(s)
- Dongxia Wang
- Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, Department of Nutrition and Food Hygiene, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,Hebei Key Laboratory of Environment and Human Health, Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Ning Wang
- Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, Department of Nutrition and Food Hygiene, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Juan Zhou
- Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, Department of Nutrition and Food Hygiene, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Gang Luo
- Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, Department of Nutrition and Food Hygiene, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yanyan Li
- Shenzhen Center for Chronic Disease Control, Shenzhen, China
| | - Wei Yu
- Shenzhen Center for Chronic Disease Control, Shenzhen, China
| | - Hongxing Tan
- Shenzhen Center for Chronic Disease Control, Shenzhen, China
| | - Gang Liu
- Hebei Key Laboratory of Cardiac Injury Repair Mechanism Study, Department of Cardiology, Hebei International Joint Research Center for Structural Heart Disease, The First Hospital of Hebei Medical University, Shijiazhuang, China,*Correspondence: Gang Liu,
| | - Jun Wang
- School of Food and Drug, Shenzhen Polytechnic, Shenzhen, China,Jun Wang,
| | - Liping Hao
- Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, Department of Nutrition and Food Hygiene, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Teuma L, Eshwaran R, Tawokam Fongang U, Wieland J, Shao F, Lagana ML, Wang Y, Agaci A, Hammes HP, Feng Y. Glucosamine inhibits extracellular matrix accumulation in experimental diabetic nephropathy. Front Nutr 2022; 9:1048305. [PMID: 36532524 PMCID: PMC9751334 DOI: 10.3389/fnut.2022.1048305] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 11/11/2022] [Indexed: 11/19/2023] Open
Abstract
INTRODUCTION Glucosamine, the intermediate metabolite of the hexosamine biosynthesis pathway (HBP), is widely used as a supplementary drug in patients with osteoarthritis. However, its consequences in such patients concomitantly suffering from diabetic nephropathy is unknown. METHODS The aim of the study was to investigate the effect of exogenous administration of glucosamine in the diabetic kidney. A mouse model of streptozotocin-induced diabetic nephropathy in vivo and cultured endothelial cells in vitro were used in the study. The mice were treated with glucosamine for 6 months. Renal function was evaluated by metabolic cage, and histology of the kidney was estimated by periodic acid-schiff (PAS) staining. The expression of related genes was assessed by real-time PCR, immunofluorescence staining, immunoblotting and ELISA. RESULTS There was no significant difference in urinary albumin secretion, relative kidney weight, or creatinine clearance between the groups treated with glucosamine and controls. Assessment of the kidney demonstrated reduction in mesangial expansion and fibronectin expression in the diabetic glomeruli treated with glucosamine. Glucosamine treatment significantly decreased α-smooth muscle actin (α-SMA) protein expression in both diabetic and control kidneys, whereas the expression of other fibrosis-related genes and inflammatory factors was unaltered. Moreover, α-SMA colocalized with the endothelial marker CD31 in the diabetic and control kidneys, and glucosamine reduced α-SMA+ ECs in the diabetic glomeruli. In addition, glucosamine suppressed α-SMA expression in endothelial cells treated with or without high glucose. DISCUSSION In summary, this is the first report to show that glucosamine reduces mesangial expansion and inhibits endothelial-mesenchymal transition in diabetic nephropathy. The underlying mechanisms need to be further investigated.
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Affiliation(s)
- Loic Teuma
- Experimental Pharmacology Mannheim, Medical Faculty Mannheim, European Center for Angioscience (ECAS), Heidelberg University, Mannheim, Germany
| | - Rachana Eshwaran
- Experimental Pharmacology Mannheim, Medical Faculty Mannheim, European Center for Angioscience (ECAS), Heidelberg University, Mannheim, Germany
| | - Ulrich Tawokam Fongang
- Experimental Pharmacology Mannheim, Medical Faculty Mannheim, European Center for Angioscience (ECAS), Heidelberg University, Mannheim, Germany
| | - Johanna Wieland
- Experimental Pharmacology Mannheim, Medical Faculty Mannheim, European Center for Angioscience (ECAS), Heidelberg University, Mannheim, Germany
| | - Feng Shao
- Experimental Pharmacology Mannheim, Medical Faculty Mannheim, European Center for Angioscience (ECAS), Heidelberg University, Mannheim, Germany
| | - Maria Luisa Lagana
- Experimental Pharmacology Mannheim, Medical Faculty Mannheim, European Center for Angioscience (ECAS), Heidelberg University, Mannheim, Germany
- Preclinical and Translational Pharmacology, Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, Italy
| | - Yixin Wang
- Experimental Pharmacology Mannheim, Medical Faculty Mannheim, European Center for Angioscience (ECAS), Heidelberg University, Mannheim, Germany
| | - Ane Agaci
- Experimental Pharmacology Mannheim, Medical Faculty Mannheim, European Center for Angioscience (ECAS), Heidelberg University, Mannheim, Germany
| | - Hans-Peter Hammes
- 5th Medical Clinic, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Yuxi Feng
- Experimental Pharmacology Mannheim, Medical Faculty Mannheim, European Center for Angioscience (ECAS), Heidelberg University, Mannheim, Germany
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Syringic Acid Ameliorates Cardiac, Hepatic, Renal and Neuronal Damage Induced by Chronic Hyperglycaemia in Wistar Rats: A Behavioural, Biochemical and Histological Analysis. Molecules 2022; 27:molecules27196722. [PMID: 36235257 PMCID: PMC9573038 DOI: 10.3390/molecules27196722] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/29/2022] [Accepted: 10/04/2022] [Indexed: 11/16/2022] Open
Abstract
This study investigated the effects of syringic acid (SA) on renal, cardiac, hepatic, and neuronal diabetic complications in streptozotocin-induced neonatal (nSTZ) diabetic rats. STZ (110 mg/kg i.p) was injected into Wistar rat neonates as a split dose (second and third postnatal day). Diabetes mellitus was diagnosed in adults by measuring fasting blood glucose levels, urine volume, and food and water intake. The treatment of SA (25 mg/kg, 50 mg/kg p.o) was given from the 8th to 18th postnatal week. To assess the development of diabetic complications and the effect of therapy, biochemical indicators in serum and behavioural parameters were recorded at specific intervals during the study period. SA (25 mg/kg, 50 mg/kg p.o) treatment reduced hyperglycaemia, polydipsia, polyphagia, polyuria, relative organ weight, cardiac hypertrophic indices, inflammatory markers, cell injury markers, glycated haemoglobin, histopathological score, and oxidative stress, and increased Na/K ATPase activity. These findings suggest that SA might significantly alleviate diabetic complications and/or renal, neuronal, cardiac, and hepatic damage in nSTZ diabetic rats.
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Nutraceutical Prevention of Diabetic Complications—Focus on Dicarbonyl and Oxidative Stress. Curr Issues Mol Biol 2022; 44:4314-4338. [PMID: 36135209 PMCID: PMC9498143 DOI: 10.3390/cimb44090297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 08/25/2022] [Accepted: 09/16/2022] [Indexed: 11/16/2022] Open
Abstract
Oxidative and dicarbonyl stress, driven by excess accumulation of glycolytic intermediates in cells that are highly permeable to glucose in the absence of effective insulin activity, appear to be the chief mediators of the complications of diabetes. The most pathogenically significant dicarbonyl stress reflects spontaneous dephosphorylation of glycolytic triose phosphates, giving rise to highly reactive methylglyoxal. This compound can be converted to harmless lactate by the sequential activity of glyoxalase I and II, employing glutathione as a catalyst. The transcription of glyoxalase I, rate-limiting for this process, is promoted by Nrf2, which can be activated by nutraceutical phase 2 inducers such as lipoic acid and sulforaphane. In cells exposed to hyperglycemia, glycine somehow up-regulates Nrf2 activity. Zinc can likewise promote glyoxalase I transcription, via activation of the metal-responsive transcription factor (MTF) that binds to the glyoxalase promoter. Induction of glyoxalase I and metallothionein may explain the protective impact of zinc in rodent models of diabetic complications. With respect to the contribution of oxidative stress to diabetic complications, promoters of mitophagy and mitochondrial biogenesis, UCP2 inducers, inhibitors of NAPDH oxidase, recouplers of eNOS, glutathione precursors, membrane oxidant scavengers, Nrf2 activators, and correction of diabetic thiamine deficiency should help to quell this.
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Martins MDPSC, de Carvalho VBL, Rodrigues LARL, Oliveira ASDSS, Arcanjo DDR, dos Santos MAP, Machado JSR, e Martins MDCDC, Rocha MDM. Effects of zinc supplementation on glycemic control and oxidative stress in experimental diabetes: A systematic review. Clin Nutr ESPEN 2022; 51:28-36. [DOI: 10.1016/j.clnesp.2022.08.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 07/02/2022] [Accepted: 08/08/2022] [Indexed: 12/09/2022]
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Hu HC, Lei YH, Zhang WH, Luo XQ. Antioxidant and Anti-inflammatory Properties of Resveratrol in Diabetic Nephropathy: A Systematic Review and Meta-analysis of Animal Studies. Front Pharmacol 2022; 13:841818. [PMID: 35355720 PMCID: PMC8959544 DOI: 10.3389/fphar.2022.841818] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/18/2022] [Indexed: 12/25/2022] Open
Abstract
Background: Accumulated experimental evidence suggests that resveratrol may have an effect on diabetic nephropathy by inhibiting inflammation and decreasing oxidative stress. However, the credibility of the evidence for this practice is unclear. Thus, we aimed to perform a systematic review and meta-analysis of animal studies to evaluate the antioxidant and anti-inflammatory properties of resveratrol when used in the treatment of diabetic nephropathy. Methods: Electronic bibliographic databases including PubMed, EMBASE, and Web of Science were searched for relevant studies. The methodological quality of animal studies was assessed based on the SYstematic Review Center for Laboratory animal Experimentation Risk of Bias (SYRCLE’s RoB) tool. A meta-analysis was performed based on the Cochrane Handbook for Systematic Reviews of Interventions by using RevMan 5.4 software. This study was registered within International Prospective Register of Systematic Reviews (PROSPERO) as number CRD42021293784. Results: Thirty-six qualified studies involving 726 animals were included. There was a significant association of resveratrol with the levels of blood glucose (BG), serum creatinine (Scr), blood urea nitrogen (BUN), catalase (CAT), superoxide dismutase (SOD), malondialdehyde (MDA), glutathione (GSH), glutathione peroxidase (GPx), and interleukin-1β (IL-1β). Nevertheless, resveratrol treatment did not effectively decrease the levels of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6). In addition, more remarkable antioxidant and hypoglycemic effects were observed in type 2 diabetic nephropathy rather than in type 1 diabetic nephropathy based on subgroup analysis. Conclusion: In this meta-analysis, resveratrol can exert its antioxidant activities by reducing the levels of MDA and recovering the activities of SOD, CAT, GSH, and GPx. With regard to pro-inflammatory cytokines, resveratrol had a positive effect on the reduction of IL-1β. However, the analysis indicated that resveratrol had no effect on IL-6 and TNF-α levels, probably because of the methodological quality of the studies and their heterogeneity. Current evidence supports the antioxidant and anti-inflammatory properties of resveratrol, but its relationship with the levels of some inflammatory cytokines such as IL-6 and TNF-α in animals with diabetic nephropathy needs further elucidation.
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Affiliation(s)
- Heng-Chang Hu
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yuan-Hong Lei
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wei-Hua Zhang
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiao-Qiong Luo
- Department of Neurology, Chongqing Traditional Chinese Medicine Hospital, Chongqing, China
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12
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Gembillo G, Visconti L, Giuffrida AE, Labbozzetta V, Peritore L, Lipari A, Calabrese V, Piccoli GB, Torreggiani M, Siligato R, Santoro D. Role of Zinc in Diabetic Kidney Disease. Nutrients 2022; 14:nu14071353. [PMID: 35405968 PMCID: PMC9003285 DOI: 10.3390/nu14071353] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 03/19/2022] [Accepted: 03/22/2022] [Indexed: 12/23/2022] Open
Abstract
Diabetic Kidney Disease (DKD) represents the most common cause of Chronic Kidney Disease (CKD) in developed countries. Approximately 30% to 40% of diabetes mellitus (DM) subjects develop DKD, and its presence significantly increases the risk for morbidity and mortality. In this context, Zinc seems to have a potential role in kidney and body homeostasis in diabetic individuals as well as in patients at a high risk of developing this condition. This essential element has functions that may counteract diabetes-related risk factors and complications, which include stabilization of insulin hexamers and pancreatic insulin storage and improved glycemic control. In our review, we analyzed the current knowledge on the role of zinc in the management of renal impairment in course of DM. Several studies underline the critical role of zinc in reducing oxidative stress levels, which is considered the common denominator of the mechanisms responsible for the progression of kidney disease. Reaching and maintaining a proper serum zinc level could represent a valuable target to reduce symptoms related to DM complications and contrast the progression of kidney impairment in patients with the high risk of developing end-stage renal disease. In conclusion, analyzing the beneficial role of zinc in this review would advance our knowledge on the possible strategies of DM and DKD treatment.
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Affiliation(s)
- Guido Gembillo
- Unit of Nephrology and Dialysis, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (A.E.G.); (V.L.); (L.P.); (A.L.); (V.C.)
- Department of Biomedical and Dental Sciences and Morpho-Functional Imaging, University of Messina, 98125 Messina, Italy;
- Correspondence: (G.G.); (D.S.)
| | - Luca Visconti
- Unit of Nephrology and Dialysis, Ospedali Riuniti Villa Sofia Cervello, University of Palermo, 90146 Palermo, Italy;
| | - Alfio Edoardo Giuffrida
- Unit of Nephrology and Dialysis, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (A.E.G.); (V.L.); (L.P.); (A.L.); (V.C.)
| | - Vincenzo Labbozzetta
- Unit of Nephrology and Dialysis, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (A.E.G.); (V.L.); (L.P.); (A.L.); (V.C.)
| | - Luigi Peritore
- Unit of Nephrology and Dialysis, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (A.E.G.); (V.L.); (L.P.); (A.L.); (V.C.)
| | - Antonella Lipari
- Unit of Nephrology and Dialysis, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (A.E.G.); (V.L.); (L.P.); (A.L.); (V.C.)
| | - Vincenzo Calabrese
- Unit of Nephrology and Dialysis, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (A.E.G.); (V.L.); (L.P.); (A.L.); (V.C.)
| | - Giorgina Barbara Piccoli
- Néphrologie Et Dialyse, Centre Hospitalier Le Mans, 194 Avenue Rubillard, 72000 Le Mans, France; (G.B.P.); (M.T.)
| | - Massimo Torreggiani
- Néphrologie Et Dialyse, Centre Hospitalier Le Mans, 194 Avenue Rubillard, 72000 Le Mans, France; (G.B.P.); (M.T.)
| | - Rossella Siligato
- Department of Biomedical and Dental Sciences and Morpho-Functional Imaging, University of Messina, 98125 Messina, Italy;
- Unit of Nephrology, Azienda Ospedaliera Universitaria Sant’Anna, 44124 Ferrara, Italy
| | - Domenico Santoro
- Unit of Nephrology and Dialysis, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (A.E.G.); (V.L.); (L.P.); (A.L.); (V.C.)
- Correspondence: (G.G.); (D.S.)
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13
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MacKenzie S, Bergdahl A. Zinc Homeostasis in Diabetes Mellitus and Vascular Complications. Biomedicines 2022; 10:biomedicines10010139. [PMID: 35052818 PMCID: PMC8773686 DOI: 10.3390/biomedicines10010139] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/03/2022] [Accepted: 01/04/2022] [Indexed: 12/20/2022] Open
Abstract
Oxidative stress represents an impaired metabolic system that promotes damage to cells and tissues. This is the predominant factor that leads to the development and progression of diabetes and diabetic complications. Research has indicated that zinc plays a consequential mechanistic role in the protection against oxidative stress as zinc is required for the proper functioning of the antioxidant system, the suppression of inflammatory mediators, and the modulation of zinc transporters. Recently, the mechanisms surrounding ZnT8, ZIP7, and metallothionein have shown to be of particular pathogenic importance and are considered as potential therapeutic targets in disease management. The literature has shown that zinc dysregulation is associated with diabetes and may be considered as a leading contributor to the deleterious vascular alterations exhibited by the disease. Although further investigation is required, studies have indicated the favorable use of zinc supplementation in the protection against and prevention of oxidative stress and its consequences over the course of the condition. This review aims to provide a comprehensive account of zinc homeostasis, the oxidative mechanisms governed by zinc status, current therapeutic targets, and the impact of zinc supplementation in the prevention of disease onset and in mitigating vascular complications.
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14
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Alomari G, Al-Trad B, Hamdan S, Aljabali AAA, Al Zoubi MS, Al-Batanyeh K, Qar J, Eaton GJ, Alkaraki AK, Alshaer W, Haifawi S, Jemon K, Chellappan DK, Dua K, Tambuwala MM. Alleviation of diabetic nephropathy by zinc oxide nanoparticles in streptozotocin-induced type 1 diabetes in rats. IET Nanobiotechnol 2021; 15:473-483. [PMID: 34694755 PMCID: PMC8675811 DOI: 10.1049/nbt2.12026] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 09/17/2020] [Accepted: 11/06/2020] [Indexed: 12/12/2022] Open
Abstract
This study examines the effect of nanoparticles with zinc oxides (ZnONPs) on diabetic nephropathy, which is the primary cause of mortality for diabetic patients with end‐stage renal disease. Diabetes in adult male rats was induced via intraperitoneal injection of streptozotocin. ZnONPs were intraperitoneally administered to diabetic rats daily for 7 weeks. Diabetes was associated with increases in blood glucose level, 24‐h urinary albumin excretion rate, glomerular basement membrane thickness, renal oxidative stress markers, and renal mRNA or protein expression of transforming growth factor‐β1, fibronectin, collagen‐IV, tumour necrosis factor‐α and vascular endothelial growth factor‐A. Moreover, the expression of nephrin and podocin, and the mRNA expression of matrix metalloproteinase‐9 were decreased in the diabetic group. These changes were not detected in the control group and were significantly prevented by ZnONP treatment. These results provide evidence that ZnONPs ameliorate the renal damage induced in a diabetic rat model of nephropathy through improving renal functionality; inhibiting renal fibrosis, oxidative stress, inflammation and abnormal angiogenesis; and delaying the development of podocyte injury. The present findings may help design the clinical application of ZnONPs for protection against the development of diabetic nephropathy.
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Affiliation(s)
- Ghada Alomari
- Department of Bioscience, Faculty of Science, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia.,Department of Biological Sciences, Yarmouk University, Irbid, Jordan
| | - Bahaa Al-Trad
- Department of Biological Sciences, Yarmouk University, Irbid, Jordan
| | - Salehhuddin Hamdan
- Department of Bioscience, Faculty of Science, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia
| | - Alaa A A Aljabali
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Yarmouk University, Irbid, Jordan
| | - Mazhar Salim Al Zoubi
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, Jordan
| | | | - Janti Qar
- Department of Biological Sciences, Yarmouk University, Irbid, Jordan
| | - Gregory J Eaton
- Department of Biological Sciences, College of Science and Mathematics, Rowan University, Glassboro, New Jersey, USA
| | | | - Walhan Alshaer
- University of Jordan, Cell Therapy Center, Amman, Jordan
| | - Saja Haifawi
- Department of Biological Sciences, Yarmouk University, Irbid, Jordan
| | - Khairunadwa Jemon
- Department of Bioscience, Faculty of Science, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Kamal Dua
- School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, Australia
| | - Murtaza M Tambuwala
- School of Pharmacy and Pharmaceutical Science, Ulster University, Coleraine, UK
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15
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SRISUKSAI K, PARUNYAKUL K, PHAONAKROP N, ROYTAKUL S, FUNGFUANG W. The effect of cordycepin on brain oxidative stress and protein expression in streptozotocin-induced diabetic mice. J Vet Med Sci 2021; 83:1425-1434. [PMID: 34334512 PMCID: PMC8498841 DOI: 10.1292/jvms.21-0268] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 07/20/2021] [Indexed: 11/22/2022] Open
Abstract
Diabetes mellitus (DM) is characterized by metabolic disorders and psychological deficits, including cognitive decline. Here, we investigated the effect of cordycepin on oxidative stress and protein expression in the brains of diabetic mice. Twenty-four mice were divided into four groups, one comprising untreated healthy mice (N); one comprising healthy mice treated with cordycepin (24 mg/kg body weight) (N+Cor); one comprising untreated DM mice; and one comprising DM mice treated with cordycepin (24 mg/kg body weight) (DM+Cor). After 14 days of treatment, cognitive behavior was assessed using the novel object recognition (NOR) test. The brain levels of oxidative stress markers (glutathione, catalase, and superoxide dismutase) were examined using the respective detection kits. Protein expression in brain tissues was assessed by liquid chromatography with tandem mass spectrometry (LC-MS/MS); the functions of the identified proteins were annotated by PANTHER, while major protein-protein interactions were assessed using STITCH. We found that cordycepin treatment significantly decreased body weight and food and water intake in the DM+Cor group compared with that in the DM group; however, no differences in blood glucose levels were found between the two groups. Cordycepin treatment significantly reversed cognitive decline in diabetic mice in the NOR test and ameliorated antioxidant defenses. Additionally, we identified ULK1 isoform 2, a protein associated with cognitive function via the activated AMPK and autophagic pathways, as being uniquely expressed in the DM+Cor group. Our findings provide novel insights into the cellular mechanisms underlying how cordycepin improves cognitive decline in diabetic mice.
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Affiliation(s)
- Krittika SRISUKSAI
- Department of Zoology, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
| | - Kongphop PARUNYAKUL
- Department of Zoology, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
| | - Narumon PHAONAKROP
- Functional Ingredient and Food Innovation Research Group, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology
Development Agency, Pathum Thani 12120, Thailand
| | - Sittiruk ROYTAKUL
- Functional Ingredient and Food Innovation Research Group, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology
Development Agency, Pathum Thani 12120, Thailand
| | - Wirasak FUNGFUANG
- Department of Zoology, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
- Omics Center for Agriculture, Bioresources, Food and Health, Kasetsart University (OmiKU), Bangkok 10900, Thailand
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16
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Fatima I, Barman S, Uppada J, Chauhan S, Rauth S, Rachagani S, Ponnusamy MP, Smith L, Talmon G, Singh AB, Batra SK, Dhawan P. MASTL regulates EGFR signaling to impact pancreatic cancer progression. Oncogene 2021; 40:5691-5704. [PMID: 34331012 PMCID: PMC8817225 DOI: 10.1038/s41388-021-01951-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 06/25/2021] [Accepted: 07/08/2021] [Indexed: 12/26/2022]
Abstract
Pancreatic cancer (PC) remains a major cause of cancer-related deaths primarily due to its inherent potential of therapy resistance. Checkpoint inhibitors have emerged as promising anti-cancer agents when used in combination with conventional anti-cancer therapies. Recent studies have highlighted a critical role of the Greatwall kinase (microtubule-associated serine/threonine-protein kinase-like (MASTL)) in promoting oncogenic malignancy and resistance to anti-cancer therapies; however, its role in PC remains unknown. Based on a comprehensive investigation involving PC patient samples, murine models of PC progression (Kras;PdxCre-KC and Kras;p53;PdxCre-KPC), and loss and gain of function studies, we report a previously undescribed critical role of MASTL in promoting cancer malignancy and therapy resistance. Mechanistically, MASTL promotes PC by modulating the epidermal growth factor receptor protein stability and, thereupon, kinase signaling. We further demonstrate that combinatorial therapy targeting MASTL promotes the efficacy of the cell-killing effects of Gemcitabine using both genetic and pharmacological inhibitions. Taken together, this study identifies a key role of MASTL in promoting PC progression and its utility as a novel target in promoting sensitivity to the anti-PC therapies.
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Affiliation(s)
- Iram Fatima
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Susmita Barman
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
| | - JayaPrakash Uppada
- College of Community Health Sciences, Alabama Life Research Institute, The University of Alabama, Tuscaloosa, AL, USA
| | - Shailender Chauhan
- Cellular and Molecular Medicine, University of Arizona Cancer Center - UAHS, Tucson, AZ, USA
| | - Sanchita Rauth
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Satyanarayana Rachagani
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
| | | | - Lynette Smith
- Department of Biostatistics, University of Nebraska Medical Center, Omaha, NE, USA
| | - Geoffrey Talmon
- Department of Pathlogy, University of Nebraska Medical Center, Omaha, NE, USA
| | - Amar B Singh
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
- VA Nebraska-Western Iowa Health Care System, Omaha, NE, USA
- Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Surinder K Batra
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
- Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Punita Dhawan
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA.
- VA Nebraska-Western Iowa Health Care System, Omaha, NE, USA.
- Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA.
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17
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Abstract
Since the discovery of manifest Zn deficiency in 1961, the increasing number of studies demonstrated the association between altered Zn status and multiple diseases. In this chapter, we provide a review of the most recent advances on the role of Zn in health and disease (2010-20), with a special focus on the role of Zn in neurodegenerative and neurodevelopmental disorders, diabetes and obesity, male and female reproduction, as well as COVID-19. In parallel with the revealed tight association between ASD risk and severity and Zn status, the particular mechanisms linking Zn2+ and ASD pathogenesis like modulation of synaptic plasticity through ProSAP/Shank scaffold, neurotransmitter metabolism, and gut microbiota, have been elucidated. The increasing body of data indicate the potential involvement of Zn2+ metabolism in neurodegeneration. Systemic Zn levels in Alzheimer's and Parkinson's disease were found to be reduced, whereas its sequestration in brain may result in modulation of amyloid β and α-synuclein processing with subsequent toxic effects. Zn2+ was shown to possess adipotropic effects through the role of zinc transporters, zinc finger proteins, and Zn-α2-glycoprotein in adipose tissue physiology, underlying its particular role in pathogenesis of obesity and diabetes mellitus type 2. Recent findings also contribute to further understanding of the role of Zn2+ in spermatogenesis and sperm functioning, as well as oocyte development and fertilization. Finally, Zn2+ was shown to be the potential adjuvant therapy in management of novel coronavirus infection (COVID-19), underlining the perspectives of zinc in management of old and new threats.
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Affiliation(s)
- Anatoly V Skalny
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Yaroslavl State University, Yaroslavl, Russia
| | - Michael Aschner
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Alexey A Tinkov
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Yaroslavl State University, Yaroslavl, Russia.
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18
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Feng J, Wang H, Jing Z, Wang Y, Wang W, Jiang Y, Sun W. Relationships of the Trace Elements Zinc and Magnesium With Diabetic Nephropathy-Associated Renal Functional Damage in Patients With Type 2 Diabetes Mellitus. Front Med (Lausanne) 2021; 8:626909. [PMID: 33859989 PMCID: PMC8042293 DOI: 10.3389/fmed.2021.626909] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Accepted: 03/09/2021] [Indexed: 11/25/2022] Open
Abstract
Zinc (Zn) and magnesium (Mg) are essential trace elements in humans. Their deficiency may be associated with inflammation and oxidative stress (OS) in patients with diabetic nephropathy (DN), but the mechanisms involved have not been fully characterized. We aimed to investigate the relationships between circulating concentrations of Zn and Mg and pro-inflammatory factors with DN-associated renal functional damage in patients with type 2 diabetes mellitus (T2DM). To this end, we studied 20 healthy people, 24 patients with T2DM, and 59 patients with T2DM and T2DN. Serum and urine Zn and Mg concentrations were measured using the 2-(5-nitro-2-pyridylazo)-5-(N-propyl-N-sulfopropylamine) phenol (nitro-PAPS) chromogenic method and the xylidyl blue method, respectively, and the circulating concentrations of pro-inflammatory cytokines [interleukin (IL)-1β, IL-6, IL-8, IL-10, IL-12, and tumor necrosis factor-α (TNF-α)] were measured using flow cytometry. The serum concentrations of Zn and Mg were significantly lower in patients with T2DM and DN than in healthy controls. Serum Zn, urine Zn, and urine Mg concentrations decreased, while those of IL-6 and IL-8 increased with the progression of DN-associated renal functional damage. Furthermore, the serum and urine Zn concentrations negatively correlated with the serum IL-6 and IL-8 concentrations. Notably, the serum Zn concentration was found to independently protect against DN in patients with T2DM. Hypozincemia may be associated with the T2DN-associated renal functional damage because it exacerbates inflammation.
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Affiliation(s)
- Jianan Feng
- Department of Nephrology, The First Hospital of Jilin University, Changchun, China.,Department of Blood Purification, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Heyuan Wang
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, China
| | - Zhe Jing
- Department of Laboratory Medicine, The First Hospital of Jilin University, Changchun, China
| | - Yue Wang
- Department of Nephrology, The First Hospital of Jilin University, Changchun, China
| | - Wanning Wang
- Department of Nephrology, The First Hospital of Jilin University, Changchun, China
| | - Yanfang Jiang
- Genetic Diagnosis Center, The First Hospital of Jilin University, Changchun, China
| | - Weixia Sun
- Department of Nephrology, The First Hospital of Jilin University, Changchun, China
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19
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Barman S, Srinivasan K. Diabetes and zinc dyshomeostasis: Can zinc supplementation mitigate diabetic complications? Crit Rev Food Sci Nutr 2020; 62:1046-1061. [PMID: 33938330 DOI: 10.1080/10408398.2020.1833178] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Zinc present in the islet cells of the pancreas is crucial for the synthesis, storage, and secretion of insulin. The excretion of large amounts of zinc from the body is reported in diabetic situations. Zinc depletion and increased oxidative stress have a major impact on the pathogenesis of diabetic complications. It would be most relevant to ascertain if intervention with supplemental zinc compensating for its depletion would beneficially mitigate hyperglycemia and the attendant metabolic abnormalities, and secondary complications in diabetes. An exhaustive literature search on this issue indicates: (1) Concurrent hypozincemia and decreased tissue zinc stores in diabetes as a result of its increased urinary excretion and/or decreased intestinal absorption, (2) Several recent experimental studies have documented that supplemental zinc has a potential hypoglycemic effect in the diabetic situation, and also beneficially modulate the attendant metabolic abnormalities and compromised antioxidant status, and (3) Supplemental zinc also alleviates renal lesions, cataract and the risk of cardiovascular disease accompanying diabetes mellitus, and help restore gastrointestinal health in experimental diabetes. These studies have also attempted to identify the precise mechanisms responsible for zinc-mediated beneficial effects in diabetic situation. The evidence discussed in this review highlights that supplemental zinc may significantly contribute to its clinical application in the management of diabetic hyperglycemia and related metabolic abnormalities, and in the alleviation of secondary complications resulting from diabetic oxidative stress.
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Affiliation(s)
- Susmita Barman
- Department of Biochemistry, CSIR - Central Food Technological Research Institute, Mysore, India
| | - Krishnapura Srinivasan
- Department of Biochemistry, CSIR - Central Food Technological Research Institute, Mysore, India
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20
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Fakharzadeh S, Argani H, Torbati PM, Dadashzadeh S, Kalanaky S, Nazaran MH, Basiri A. DIBc nano metal-organic framework improves biochemical and pathological parameters of experimental chronic kidney disease. J Trace Elem Med Biol 2020; 61:126547. [PMID: 32460199 DOI: 10.1016/j.jtemb.2020.126547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 04/29/2020] [Accepted: 05/04/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND The growing morbidity and mortality rate of chronic kidney disease (CKD) has forced researchers to find more efficient strategies for controlling this disease. Studies have proven the important role of alteration in iron, zinc and selenium metabolism in CKD pathological process. Nanotechnology, through synthetizing nano metal-organic framework (NMOF) structures, can be employed as a valuable strategy for using these trace elements as the key for modification and improvement of CKD-related pathological events. After proving the anti-diabetic property of DIBc NMOF (which contains selenium and zinc) in the previous study, the impact of this NMOF on some important biochemical and pathological parameters of CKD was evaluated in the current study. METHODS Knowing that diabetic nephropathy (DN) is the leading cause of CKD, male wistar rats were selected and given a high fat diet for 2 weeks and then were injected with streptozotocin (35 mg/kg) to induce DN. Six weeks after streptozotocin injection, DIBc or metformin treatment started and continued for 8 weeks. RESULTS Eight weeks of DIBc treatment decreased plasma fasting blood glucose, blood urea nitrogen, uric acid, malondialdehyde (MDA) and HOMA-IR index compared to DN control and metformin groups. This NMOF significantly reduced urinary albumin excretion rate, MDA and 8-isoprostane, while it increased creatinine clearance in comparison to the above-mentioned groups. Renal histo-pathological images indicated that DIBc ameliorated glomerular basement membrane thickening and wrinkling, mesangial matrix expansion and hypercellularity and presence of intra-cytoplasmic hyaline droplets in proximal cortical tubules of kidney samples. CONCLUSION The results showed the therapeutic effect of DIBc on important biochemical and histo-pathological parameters of CKD, so this NMOF could be regarded as a promising novel anti-CKD agent.
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Affiliation(s)
- Saideh Fakharzadeh
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Research and Development, Sodour Ahrar Shargh Company, Tehran, Iran
| | - Hassan Argani
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Peyman Mohammadi Torbati
- Department of Pathology, Labbafinejad Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Simin Dadashzadeh
- Department of Pharmaceutics and Nanotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Somayeh Kalanaky
- Department of Research and Development, Sodour Ahrar Shargh Company, Tehran, Iran
| | | | - Abbas Basiri
- Urology and Nephrology Research Center, Shahid Labbafinejad Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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21
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Wei T, Shu Q, Ning J, Wang S, Li C, Zhao L, Zheng H, Gao H. The Protective Effect of Basic Fibroblast Growth Factor on Diabetic Nephropathy Through Remodeling Metabolic Phenotype and Suppressing Oxidative Stress in Mice. Front Pharmacol 2020; 11:66. [PMID: 32153399 PMCID: PMC7046551 DOI: 10.3389/fphar.2020.00066] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 01/22/2020] [Indexed: 12/11/2022] Open
Abstract
Diabetic nephropathy is a common complication in diabetes, but still lack of effective therapeutic strategies. This study aimed to investigate the therapeutic effect of basic fibroblast growth factor (bFGF) in db/db mice with diabetic nephropathy and explore its possible metabolic mechanisms using a nuclear magnetic resonance-based metabolomic approach. We found that bFGF treatment significantly alleviate urinary albumin to creatinine ratio and renal fibrosis in db/db mice, suggesting a potential renal protective effect. Metabolomics results reveal that bFGF remodeled metabolic phenotypes of the kidney and urine in db/db mice, mainly involving energy metabolism, methylamine metabolism, osmoregulation, and oxidative stress. Furthermore, the results show that bFGF-induced reductions of oxidative stress and apoptosis in db/db mice might be mediated by NOX-ROS-Nrf2 signaling. Therefore, our study suggests that the protective effect of bFGF on diabetic nephropathy could be mediated by remodeling metabolic phenotype and suppressing oxidative stress.
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Affiliation(s)
- Tingting Wei
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China.,Laboratory Animal Centre, Wenzhou Medical University, Wenzhou, China
| | - Qi Shu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Jie Ning
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Shuaijie Wang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Chen Li
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Liangcai Zhao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Hong Zheng
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Hongchang Gao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
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22
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Liu P, Liu J, Wu Y, Xi W, Wei Y, Yuan Z, Zhuo X. Zinc supplementation protects against diabetic endothelial dysfunction via GTP cyclohydrolase 1 restoration. Biochem Biophys Res Commun 2020; 521:1049-1054. [PMID: 31732151 DOI: 10.1016/j.bbrc.2019.11.046] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 11/06/2019] [Indexed: 12/15/2022]
Abstract
This study explored whether zinc supplementation alleviates diabetic endothelial dysfunction and the possible mechanisms underlying. We found that high glucose exposure significantly increased reactive oxygen species (ROS) and decreased guanosine 5'-triphosphate cyclohydrolase 1 (GTPCH1) and tetrahydrobiopterin (BH4) levels in bovine aortic endothelial cells (BAECs) in a time-dependent manner. High glucose increased zinc release from GTPCH1 in a similar trend. Zinc supplementation restored GTPCH1 and BH4 levels and blocked ROS accumulation in both BACEs and wild type GTPCH1 transfected HEK293 cells, but not in the zinc-free C141R mutant of GTPCH1 transfected ones. In vivo experiments showed that exogenous supplementation of zinc to streptozotocin (STZ)-induced diabetic mice partially improved the impaired maximal endothelium-dependent vasorelaxation, reversed the aberrant reduction of GTPCH1 and BH4, and suppressed the elevation of ROS in the aortas. In conclusion, our study demonstrated a novel mechanism that via GTPCH1 restoration zinc supplementation exerts a protective benefit on diabetic endothelial dysfunction.
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Affiliation(s)
- Peining Liu
- Department of Cardiovascular Medicine, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Junhui Liu
- Department of Clinical Laboratory, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yue Wu
- Department of Cardiovascular Medicine, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China; Key Laboratory of Molecular Cardiology, Shaanxi Province, Xi'an, Shaanxi, China
| | - Wen Xi
- Department of Clinical Laboratory, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yuanyuan Wei
- Department of Cardiovascular Medicine, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Zuyi Yuan
- Department of Cardiovascular Medicine, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China; Key Laboratory of Molecular Cardiology, Shaanxi Province, Xi'an, Shaanxi, China; Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Ministry of Education, Xi'an, Shaanxi, China.
| | - Xiaozhen Zhuo
- Department of Cardiovascular Medicine, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China; Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Ministry of Education, Xi'an, Shaanxi, China.
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23
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Li X, Gao Z, Xu L, Li B, Gao H. Over-expression of arginine vasopressin in magnocellular neurosecretory cells of hypothalamus and its potential relationship with development of diabetic nephropathy. Arch Med Sci 2020; 16:1130-1139. [PMID: 32864002 PMCID: PMC7444698 DOI: 10.5114/aoms.2020.92402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 01/27/2018] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION We aimed to assess our hypothesis that the expression changes of arginine vasopressin (AVP) in the magnocellular neurosecretory cells (MNCs) of hypothalamus and V2 receptor for AVP (RVP) in kidney may contribute to the pathogenesis of diabetic nephropathy (DN). MATERIAL AND METHODS Twenty-five male Wistar rats were randomly assigned to the control group and the diabetes mellitus (DM) group. Periodic acid-Schiff (PAS) staining and electron microscopy were used for morphological studies. Immunohistochemical staining for glial fibrillary acidic protein (GFAP) is standard for visualization of reactive astrocytes in the hypothalamus. Hypothalamus was used for immunofluorescence of AVP. Kidney was used for immunohistochemical staining of RVP. Quantitative real-time reverse transcriptase polymerase chain reaction (qRT-PCR) was used for quantitative determinations of AVP mRNA in hypothalamus and RVP mRNA in kidney. Western blot was used to measure the protein expression of AVP in hypothalamus and RVP in kidney. RESULTS Morphological studies showed abnormalities in kidney and hypothalamus in the DM group. The number of neurons and the gray value of astrocytes in hypothalamus in the DM group were markedly decreased. The expression level of AVP in hypothalamus and the expression level of RVP in kidney of DM rats were significantly increased. The positive correlations between the proteinuria and expression (mRNA and protein) of AVP, proteinuria and expression (mRNA and protein) of RVP, and the expression of AVP and RVP levels were found. CONCLUSIONS AVP was upregulated in the MNCs of hypothalamus and RVP was upregulated in kidney in streptozotocin-induced DM rats, indicating their potential roles in the development of DN.
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Affiliation(s)
- Xianhua Li
- Department of Nephrology, Qi Lu Hospital of Shandong University, Jinan, China
| | - Zhaoli Gao
- Department of Geriatrics, Qi Lu Hospital of Shandong University, Jinan, China
| | - Ling Xu
- Department of Geriatrics, Qi Lu Hospital of Shandong University, Jinan, China
| | - Baoying Li
- Department of Geriatrics, Qi Lu Hospital of Shandong University, Jinan, China
| | - Haiqing Gao
- Department of Geriatrics, Qi Lu Hospital of Shandong University, Jinan, China
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24
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(Pro)renin receptor contributes to renal mitochondria dysfunction, apoptosis and fibrosis in diabetic mice. Sci Rep 2019; 9:11667. [PMID: 31406124 PMCID: PMC6690878 DOI: 10.1038/s41598-019-47055-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Accepted: 02/04/2019] [Indexed: 01/14/2023] Open
Abstract
Recently we demonstrated that increased renal (Pro)renin receptor (PRR) expression in diabetes contributes to development of diabetic kidney disease. However, the exact mechanisms involving PRR activity and diabetic kidney dysfunction are unknown. We hypothesized that PRR is localized in renal mitochondria and contributes to renal fibrosis and apoptosis through oxidative stress-induced mitochondria dysfunction. Controls and streptozotocin-induced diabetic C57BL/6 mice were injected with scramble shRNA and PRR shRNA and followed for a period of eight weeks. At the end of study, diabetic mice showed increased expressions of PRR and NOX4 in both total kidney tissue and renal mitochondria fraction. In addition, renal mitochondria of diabetic mice showed reduced protein expression and activity of SOD2 and ATP production and increased UCP2 expression. In diabetic kidney, there was upregulation in the expressions of caspase3, phos-Foxo3a, phos-NF-κB, fibronectin, and collagen IV and reduced expressions of Sirt1 and total-FOXO3a. Renal immunostaining revealed increased deposition of PRR, collagen and fibronectin in diabetic kidney. In diabetic mice, PRR knockdown decreased urine albumin to creatinine ratio and the renal expressions of PRR, NOX4, UCP2, caspase3, phos-FOXO3a, phos-NF-κB, collagen, and fibronectin, while increased the renal mitochondria expression and activity of SOD2, ATP production, and the renal expressions of Sirt1 and total-FOXO3a. In conclusion, increased expression of PRR localized in renal mitochondria and diabetic kidney induced mitochondria dysfunction, and enhanced renal apoptosis and fibrosis in diabetes by upregulation of mitochondria NOX4/SOD2/UCP2 signaling pathway.
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25
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Barman S, Srinivasan K. Ameliorative effect of zinc supplementation on compromised small intestinal health in streptozotocin-induced diabetic rats. Chem Biol Interact 2019; 307:37-50. [DOI: 10.1016/j.cbi.2019.04.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 01/04/2019] [Accepted: 04/15/2019] [Indexed: 01/29/2023]
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26
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Amorim RG, Guedes GDS, Vasconcelos SMDL, Santos JCDF. Kidney Disease in Diabetes Mellitus: Cross-Linking between Hyperglycemia, Redox Imbalance and Inflammation. Arq Bras Cardiol 2019; 112:577-587. [PMID: 31188964 PMCID: PMC6555585 DOI: 10.5935/abc.20190077] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 02/13/2019] [Indexed: 12/12/2022] Open
Abstract
Chronic hyperglycemia is the key point of macro- and microvascular complications associated with diabetes mellitus. Excess glucose is responsible for inducing redox imbalance and both systemic and intrarenal inflammation, playing a critical role in the pathogenesis of diabetic kidney disease, which is currently the leading cause of dialysis in the world. The pathogenesis of the disease is complex, multifactorial and not fully elucidated; many factors and mechanisms are involved in the development, progression and clinical outcomes of the disease. Despite the disparate mechanisms involved in renal damage related to diabetes mellitus, the metabolic mechanisms involving oxidative/inflammatory pathways are widely accepted. The is clear evidence that a chronic hyperglycemic state triggers oxidative stress and inflammation mediated by altered metabolic pathways in a self-perpetuating cycle, promoting progression of cell injury and of end-stage renal disease. The present study presents an update on metabolic pathways that involve redox imbalance and inflammation induced by chronic exposure to hyperglycemia in the pathogenesis of diabetic kidney disease.
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Affiliation(s)
- Rayne Gomes Amorim
- Universidade Federal de Alagoas - Faculdade de Nutrição, Maceió, AL - Brazil
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27
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Wang T, Zhu H, Yang S, Fei X. Let‑7a‑5p may participate in the pathogenesis of diabetic nephropathy through targeting HMGA2. Mol Med Rep 2019; 19:4229-4237. [PMID: 30896854 PMCID: PMC6471493 DOI: 10.3892/mmr.2019.10057] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Accepted: 10/26/2018] [Indexed: 01/18/2023] Open
Abstract
Diabetic nephropathy (DN) is one of the most common complications of diabetes mellitus (DM), and has been demonstrated as one of the major causes of renal failure. In a previous study, it was noted that microRNA let-7a-5p was downregulated in DN; however, the underlying mechanism requires additional investigation. The aim of the present study was to investigate the roles of let-7a-5p in the pathogenesis of DN and its associated mechanism. The renal tissues of db/db and db/m mice, and renal mesangial cells treated with high concentrations of glucose were obtained; reverse transcription-quantitative polymerase chain reaction, and western blot analysis were applied to detect the expression of let-7a-5p and high-mobility group AT-hook 2 (HMGA2) in vivo and in vitro. In addition, renal mesangial cells cultured under high-glucose conditions (20 and 30 mmol/l) were transfected with either let-7a-5p mimics or let-7a-5p inhibitors. The effects of let-7a-5p on the proliferation and apoptosis of renal mesangial cells were examined using CCK-8 and flow cytometry methods. Additionally, cells were collected and the expression of phosphoinositide 3-kinase (PI3K), phosphorylated protein kinase B (p-AKT) and HMGA2 was analyzed with western blot analysis. Finally, a dual luciferase reporter assay was performed to confirm whether HMGA2 was a direct target of let-7a-5p. Let-7a-5p was significantly downregulated and HMGA2 was markedly upregulated in the tissue samples of DN mice and renal mesangial cells cultured under high-glucose conditions. In addition, transfection of let-7a-5p mimics induced a significant decrease in the proliferation and increase in the apoptosis of renal mesangial cells cultured under high-glucose conditions; transfection of let-7a-5p inhibitors exhibited the opposite effects. Furthermore, transfection of let-7a-5p mimics also led to the inhibition of the PI3K-AKT signaling pathway; transfection of let-7a-5p inhibitors may activate the PI3K-AKT signaling pathway through the increase in PI3K and AKT levels. Finally, a dual luciferase reporter assay confirmed that HMGA2 is a direct target of let-7a-5p. Let-7a-5p was downregulated in DN and may participate in the pathogenesis of DN via regulating HMGA2 expression and the PI3K-AKT signaling pathway.
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Affiliation(s)
- Tao Wang
- Department of Clinical Laboratory, Taixing City Second People's Hospital, Taixing, Jiangsu 225400, P.R. China
| | - Hua Zhu
- Department of Clinical Laboratory, Taixing City Second People's Hospital, Taixing, Jiangsu 225400, P.R. China
| | - Shufang Yang
- Department of Endocrinology, Taizhou People's Hospital, Taizhou, Jiangsu 225300, P.R. China
| | - Xiaoqiang Fei
- Department of Endocrinology, Taizhou People's Hospital, Taizhou, Jiangsu 225300, P.R. China
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28
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Zhao LL, Makinde EA, Shah MA, Olatunji OJ, Panichayupakaranant P. Rhinacanthins-rich extract and rhinacanthin C ameliorate oxidative stress and inflammation in streptozotocin-nicotinamide-induced diabetic nephropathy. J Food Biochem 2019; 43:e12812. [PMID: 31353582 DOI: 10.1111/jfbc.12812] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 01/31/2019] [Accepted: 02/03/2019] [Indexed: 02/05/2023]
Abstract
In this present study, rhinacanthins-rich extract (RRE) and rhinacanthin C (RC) the main bioactive constituent of Rhinacanthus nasutus was investigated for their protective effect against diabetic nephropathy (DN). Diabetes was induced by administering nicotinamide (100 mg/kg, i.p.)/streptozotocin (60 mg/kg, i.p.) and diabetic rats were orally administered with RRE and RC for 4 weeks. RRE and RC significantly reduced the kidney index, renal oxidative stress markers, and pro-inflammatory cytokines. Furthermore, RRE and RC increased renal levels of glutathione, superoxide dismutase, catalase, and attenuated diabetic induced renal damages. In conclusion, RRE and RC confer protective effect against DN through the inhibition of oxidative stress and inflammation and could be a potential medicinal or nutritional supplement for the prevention of DN. PRACTICAL APPLICATIONS: Rhinacanthus nasutus is a medicinal plant that is extensively used in Thai traditional medicine as an antibacterial, antifungal, antidiabetic, and anti-inflammatory agent. The plant is rich in naphthoquinones, which confer it with several excellent bioactivities. The rich extract of the leaves was prepared with three major bioactive components and the extract was evaluated for its renoprotective effect in diabetic rats. The results from this study provides valuable pharmacological information that supports the use of the plant, especially the rich extract in the prevention and treatment of diabetes and diabetic complications.
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Affiliation(s)
- Ling-Ling Zhao
- Department of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng, China
| | | | - Muhammad Ajmal Shah
- Faculty of Pharmaceutical Sciences, Department of Pharmacognosy, Government College University, Faisalabad, Pakistan
| | | | - Pharkphoom Panichayupakaranant
- Faculty of Pharmaceutical Sciences, Department of Pharmacognosy and Pharmaceutical Botany, Prince of Songkla University, Hat Yai, Thailand.,Faculty of Pharmaceutical Sciences, Phytomedicine and Pharmaceutical Biotechnology Excellence Center, Prince of Songkla University, Hat Yai, Thailand
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29
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Barman S, Srinivasan K. Zinc Supplementation Ameliorates Diabetic Cataract Through Modulation of Crystallin Proteins and Polyol Pathway in Experimental Rats. Biol Trace Elem Res 2019; 187:212-223. [PMID: 29756175 DOI: 10.1007/s12011-018-1373-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 05/02/2018] [Indexed: 11/30/2022]
Abstract
Non-enzymatic glycation of lens proteins and elevated polyol pathway in the eye lens have been the characteristic features of a diabetic condition. We have previously reported the benefits of zinc supplementation in reducing hyperglycemia and associated metabolic abnormalities and oxidative stress in diabetic rats. The current study explored whether zinc supplementation protects against cataractogenesis through modulation of glycation of lens proteins, elevated polyol pathway, oxidative stress, and proportion of different heat shock proteins in the eye lens of diabetic rats. Streptozotocin-induced diabetic rats were fed with a zinc-enriched diet (5 and 10 times of normal) for 6 weeks. Supplemental zinc alleviated the progression and maturation of diabetes-induced cataract. Zinc was also effective in preventing the reduced content of total and imbalanced proportion of soluble proteins in the lens. Supplemental zinc also alleviated cross-linked glycation and concomitant expression of the receptor of glycated products and oxidative stress indicators in the eye lens. Zinc supplementation further induced the concentration of heat shock protein in the eye lens of diabetic rats, specifically α-crystallin. Zinc supplementation counteracted the elevated activity and expression of polyol pathway enzymes and molecules in the lens. The results of this animal study endorsed the advantage of zinc supplementation in exerting the antiglycating influence and downregulating polyol pathway enzymes to defer cataractogenesis in diabetic rats.
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Affiliation(s)
- Susmita Barman
- Department of Biochemistry, CSIR - Central Food Technological Research Institute, Mysore, 570 020, India
| | - Krishnapura Srinivasan
- Department of Biochemistry, CSIR - Central Food Technological Research Institute, Mysore, 570 020, India.
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30
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Barman S, Srinivasan K. Enhanced intestinal absorption of micronutrients in streptozotocin-induced diabetic rats maintained on zinc supplementation. J Trace Elem Med Biol 2018; 50:182-187. [PMID: 30262278 DOI: 10.1016/j.jtemb.2018.07.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 07/02/2018] [Accepted: 07/02/2018] [Indexed: 01/14/2023]
Abstract
In view of the deficiency of zinc concomitant with other minerals in diabetic condition, it is desirable to increase the absorption capability of the same by improving the intestinal health. In continuation of our previous report on the virtue of zinc supplementation on diabetic complications, and a significant favourable consequence in the restoration of the compromised structural integrity of small intestines in diabetic situation, it would be relevant to examine the permeability characteristics of the intestines. Groups of hyperglycemic rats were treated for six weeks with supplemental zinc (5-times and 10-times of normal level) to examine its possible influence on intestinal absorption of trace elements zinc, iron and calcium. Everted segments of isolated duodenum, jejunum and ileum portions of small intestine excised from these rats were evaluated for ex vivo uptake of iron, zinc and calcium from the incubation medium containing mineral fortified digesta of finger millet as a provider of these trace minerals. The extent of ex vivo uptake of zinc, iron, and calcium was severely compromised in the intestinal segments isolated from diabetic rats suggesting the loss of functional integrity concomitant with diminished ultra-structural integrity. This was more prominent in the case of iron uptake followed by that of calcium and zinc. Treatment with supplemental zinc improved the mineral uptake ex vivo by the isolated intestinal segments, which was maximum for iron followed by zinc and calcium. This favourable influence was seen more in the jejunal segment probably as a result of improving the expression of applicable transporter protein (s) as observed previously. Thus, dietary zinc supplementation was evinced here to have a promoting stimulus on the intestinal absorption of zinc, iron and calcium, which could encourage a dietary approach to counter the dyshomeostatic state of these trace elements prevalent in diabetes.
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Affiliation(s)
- Susmita Barman
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysore 570 020, India
| | - Krishnapura Srinivasan
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysore 570 020, India.
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31
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Yao Y, Li Y, Zeng X, Ye Z, Li X, Zhang L. Losartan Alleviates Renal Fibrosis and Inhibits Endothelial-to-Mesenchymal Transition (EMT) Under High-Fat Diet-Induced Hyperglycemia. Front Pharmacol 2018; 9:1213. [PMID: 30420805 PMCID: PMC6215973 DOI: 10.3389/fphar.2018.01213] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 10/05/2018] [Indexed: 12/17/2022] Open
Abstract
The endothelial-to-mesenchymal transition (EMT) of glomerular vascular endothelial cells is considered to be pivotal in diabetic nephropathy (DN). The risk of DN can be decreased by losartan, but the potential molecular mechanism(s) are not fully understood. Extensive data show that the EMT occurs in proximal tubular endothelial cells resulting in an endothelial phenotype switch (fibrotic matrix accumulation), consequently enhancing the development of renal interstitial fibrosis. Here, we found that losartan significantly ameliorated DN-induced renal fibrosis progression via inhibition of the EMT in mice. In vivo experiments suggested that losartan significantly alleviated microalbuminuria and pathologic changes under high-fat diet-induced hyperglycemia. Immunohistochemistry indicated that losartan suppressed the EMT in glomeruli. In addition, losartan decreased oxidative stress damage and inhibited the transforming growth factor (TGF)-β1/Smad pathway. Furthermore, consistent changes were detected in vitro where losartan markedly inhibited the EMT and TGF-β1/Smad pathway induced by high glucose in glomerular endothelial cells. Together, these results suggested that losartan could alleviate the EMT in glomeruli via inhibition of oxidative stress damage and the TGF-β1/Smad signaling pathway under hyperglycemia.
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Affiliation(s)
- Yufeng Yao
- Key Laboratory of Molecular Biophysics of the Ministry of Education, College of Life Science and Technology and Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, China
| | - Yong Li
- Key Laboratory of Molecular Biophysics of the Ministry of Education, College of Life Science and Technology and Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaofei Zeng
- College of Life Sciences, Wuhan University, Wuhan, China
| | - Zheng Ye
- College of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Xia Li
- Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences, Guangdong, China
| | - Lu Zhang
- Wenhua College, Huazhong University of Science and Technology, Wuhan, China
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32
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Xu HL, Wang XT, Cheng Y, Zhao JG, Zhou YJ, Yang JJ, Qi MY. Ursolic acid improves diabetic nephropathy via suppression of oxidative stress and inflammation in streptozotocin-induced rats. Biomed Pharmacother 2018; 105:915-921. [PMID: 30021385 DOI: 10.1016/j.biopha.2018.06.055] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 06/08/2018] [Accepted: 06/12/2018] [Indexed: 01/17/2023] Open
Abstract
Inflammation plays a pivotal role in the pathogenesis of diabetic nephropathy (DN). Overexpression of inflammatory chemokine and cytokines is involved in the development of DN. Ursolic acid (UA), a common pentacyclic triterpenoid compound, has been reported to have myriad benefits and medicinal properties. However, its protective effects against renal injury in streptozotocin (STZ)-induced diabetic rats have not been firmly established. In the current report, we investigated whether UA inhibits oxidative stress and inflammation in the kidneys of STZ-induced diabetic rats. Diabetes mellitus (DM) was induced by STZ (40 mg/ kg, i.v.). Animals were randomly divided into control group (normal saline, i.g.), DN group (normal saline, i.g.), DN + UA group (35 mg/kg UA + normal saline, i.g.) and DN + telmisartan group (12 mg/kg telmisartan + normal saline, i.g.). Fasting blood glucose (FBG) levels were monitored at regular intervals. The administration of compounds started at 5th week and lasted for 8 weeks. At the beginning of 13th week, rats were humanely euthanized, KW/BW, BUN, SCr, SOD and MDA were measured. Histopathological changes in renal tissue were observed after hematoxylin-eosin (HE) staining. Furthermore, the expressions of TNF-α, MCP-1 and IL-1β in kidney were determined by immunohistochemistry and western blot. Our results showed that UA significantly lowered the levels of FBG, KW/BW, BUN, SCr and MDA in diabetic rats. Additionally, the SOD activity in UA treated group was higher than that in DN group. Furthermore, renal structural abnormalities and the elevation of TNF-α, MCP-1 and IL-1β expression level were blocked by the administration of UA. In conclusion, our data demonstrate that UA could be well used as a protective agent to counter renal dysfunction - through antioxidant and anti-inflammatory effects.
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Affiliation(s)
- Hui-Lin Xu
- Institution of Pharmacology, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
| | - Xu-Tao Wang
- Institution of Pharmacology, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
| | - Yin Cheng
- Institution of Pharmacology, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
| | - Jin-Guo Zhao
- Institution of Pharmacology, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
| | - Yu-Jie Zhou
- Institution of Pharmacology, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
| | - Jun-Jie Yang
- Institution of Pharmacology, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
| | - Min-You Qi
- Institution of Pharmacology, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China.
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