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Li Y, Wang J. Contrast-induced acute kidney injury: a review of definition, pathogenesis, risk factors, prevention and treatment. BMC Nephrol 2024; 25:140. [PMID: 38649939 PMCID: PMC11034108 DOI: 10.1186/s12882-024-03570-6] [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: 01/25/2024] [Accepted: 04/02/2024] [Indexed: 04/25/2024] Open
Abstract
Contrast-induced acute kidney injury (CI-AKI) has become the third leading cause of hospital-acquired AKI, which seriously threatens the health of patients. To date, the precise pathogenesis of CI-AKI has remained not clear and may be related to the direct cytotoxicity, hypoxia and ischemia of medulla, and oxidative stress caused by iodine contrast medium, which have diverse physicochemical properties, including cytotoxicity, permeability and viscosity. The latest research shows that microRNAs (miRNAs) are also involved in apoptosis, pyroptosis, and autophagy which caused by iodine contrast medium (ICM), which may be implicated in the pathogenesis of CI-AKI. Unfortunately, effective therapy of CI-AKI is very limited at present. Therefore, effective prevention of CI-AKI is of great significance, and several preventive options, including hydration, antagonistic vasoconstriction, and antioxidant drugs, have been developed. Here, we review current knowledge about the features of iodine contrast medium, the definition, pathogenesis, molecular mechanism, risk factors, prevention and treatment of CI-AKI.
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Affiliation(s)
- Yanyan Li
- Department of Pharmacy, Chongqing Traditional Chinese Medicine Hospital, 400021, Chongqing, P.R. China
| | - Junda Wang
- Department of Radiology, Chongqing Traditional Chinese Medicine Hospital, No. 6 Panxi 7 Branch Road, 400021, Chongqing, P.R. China.
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Abdel-Reheim MA, Ali ME, Gaafar AGA, Ashour AA. Quillaja saponin mitigates methotrexate-provoked renal injury; insight into Nrf-2/Keap-1 pathway modulation with suppression of oxidative stress and inflammation. J Pharm Health Care Sci 2024; 10:17. [PMID: 38594773 PMCID: PMC11003044 DOI: 10.1186/s40780-024-00330-4] [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: 11/15/2023] [Accepted: 01/20/2024] [Indexed: 04/11/2024] Open
Abstract
BACKGROUND Methotrexate (MTX) is an antineoplastic/immunosuppressive drug, whose clinical use is impeded owing to its serious adverse effects; one of which is acute kidney injury (AKI). Most of MTX complications emerged from the provoked pro-oxidant-, pro-inflammatory- and pro-apoptotic effects. Quillaja saponaria bark saponin (QBS) is a bioactive triterpene that has been traditionally used as an antitussive, anti-inflammatory supplement, and to boost the immune system due to its potent antioxidant- and anti-inflammatory activities. However, the protective/therapeutic potential of QBS against AKI has not been previously evaluated. This study aimed to assess the modulatory effect of QBS on MTX-induced reno-toxicity. METHODS Thirty-two male rats were divided into 4-groups. Control rats received oral saline (group-I). In group-II, rats administered QBS orally for 10-days. In group-III, rats were injected with single i.p. MTX (20 mg/kg) on day-5. Rats in group-IV received QBS and MTX. Serum BUN/creatinine levels were measured, as kidney-damage-indicating biomarkers. Renal malondialdehyde (MDA), reduced-glutathione (GSH) and nitric-oxide (NOx) were determined, as oxidative-stress indices. Renal expression of TNF-α protein and Nrf-2/Keap-1 mRNAs were evaluated as regulators of inflammation. Renal Bcl-2/cleaved caspase-3 immunoreactivities were evaluated as apoptosis indicators. RESULTS Exaggerated kidney injury upon MTX treatment was evidenced histologically and biochemically. QBS attenuated MTX-mediated renal degeneration, oxidant-burden enhancement, excessive inflammation, and proapoptotic induction. Histopathological analysis further confirmed the reno-protective microenvironment rendered by QBS. CONCLUSIONS In conclusion, our results suggest the prophylactic and/or therapeutic effects of QBS in treating MTX-induced AKI. Such reno-protection is most-likely mediated via Nrf-2 induction that interferes with oxidant load, inflammatory pathways, and proapoptotic signaling.
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Affiliation(s)
- Mustafa Ahmed Abdel-Reheim
- Department of Pharmaceutical Sciences, College of Pharmacy, Shaqra University, 11961, Shaqra, Saudi Arabia
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni Suef, Egypt
| | - Merhan E Ali
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Ahmed Gaafar A Gaafar
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Port Said University, Port Said, Egypt
| | - Ahmed Amine Ashour
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Al-Azhar University, El-Nasr Road, P.O. 11751, Cairo, Egypt.
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Sinai University - Kantara Branch, Ismailia, 41636, Egypt.
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Wu J, Shen J, Wang W, Jiang N, Jin H, Che X, Ni Z, Fang Y, Mou S. A novel contrast-induced acute kidney injury mouse model based on low-osmolar contrast medium. Ren Fail 2022; 44:1345-1355. [PMID: 35938700 PMCID: PMC9367657 DOI: 10.1080/0886022x.2022.2108449] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
The contrast-induced acute kidney injury (CI-AKI) has been becoming the third common cause of hospital-acquired acute kidney injury. An ideal animal model is essential for understanding the pathophysiology of CI-AKI. Previous CI-AKI studies were mostly performed on rats with high-osmolar contrast medium (HOCM), which is unsuitable for transgenic researches. This study provides a novel, efficient and reproducible CI-AKI model which was developed in mouse by administrating a low-osmolar contrast medium (LOCM). First of all, we applied the frequently used pretreatments (uninephrectomy and water deprivation), which combined with HOCM on rats could induce CI-AKI, on mice with LOCM. Secondly, we attempted to find a novel pretreatment suitable for mouse and LOCM by combining two classic pretreatments(uninephrectomy, water deprivation and furosemide administration). Finally, we evaluate the kidney damage of the novel model. We found that this mouse model possessed a significant reduction in renal function, severe renal tissue damage, and increased renal tubular cells apoptosis, indicating that LOCM is a feasible inducer for CI-AKI mice model. Taken together, we found that uninephrectomy (UPHT) combined with 24 h water deprivation and furosemide administration 20 min before LOCM (iohexol, 10 ml/kg) application is a feasible pretreatment to establish a novel CI-AKI mouse model.
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Affiliation(s)
- Jiajia Wu
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jianxiao Shen
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Wanpeng Wang
- Department of Nephrology, Lianshui People's Hospital, Lianshui, China
| | - Na Jiang
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Haijiao Jin
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xiajing Che
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhaohui Ni
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yan Fang
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Shan Mou
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Mashaly MA, Saleh IG, Ashour AA, Mansour AM. The potential role of febrile condition in reversing the hepatoprotective effects of quercetin in the livers of LPS-presensitized mice. Life Sci 2022; 302:120647. [PMID: 35588863 DOI: 10.1016/j.lfs.2022.120647] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 05/06/2022] [Accepted: 05/12/2022] [Indexed: 11/20/2022]
Abstract
AIMS Consumption of nutraceuticals without enough data regarding their interactions has raised safety concerns. Importantly, consumption of some natural-products in health-compromised conditions has caused liver injury due to the evolved pro-oxidant load. This study evaluates the safety of quercetin (QUR), as an extensively-used flavonoid owing to its antioxidant and hepatoprotective activities, in normal- and lipopolysaccharides (LPS)-primed livers, and to investigate the influence of the LPS-induced mild inflammatory/febrile condition on QUR effects. MAIN METHODS For liver priming, a non-injurious LPS dose that mediates limited inflammation/mild fever was chosen. Selection of QUR dose/duration of treatment, for a coherent combination-regimen, was also adopted. Single LPS i.p injection (1.5 mg/kg)/oral QUR (20 mg/kg/day, IG) for 5-days was the optimal regimen for the combination group. On day-6, serum ALT/AST/ALP levels were measured, as liver-damage biomarkers. Hepatic; MDA/GSH were determined, as oxidative-stress measures, Bcl-2/cleaved-caspase-3 were assessed as apoptosis biomarkers, IL-6 expression/NF-κB/Nrf-2 immunoreactivities were evaluated as regulators for inflammation. KEY FINDINGS Exaggerated hepatic injury was seen upon QUR treatment in LPS-presensitized mice; as evidenced by liver histopathological degeneration, which was confirmed by biochemical elevations of serum AST/ALT/ALP, along with oxidant-burden increase (↑MDA/↓GSH) and molecular augmentation of inflammation (NF-κB/IL-6 activation) that led to enhancement of proapoptotic signaling (caspase-3 activation/Bcl-2 inhibition). Such events were accompanied by potentiation of endogenous anti-inflammatory/antioxidant response (↑ hepatic Nrf-2). SIGNIFICANCE The study highlights caution when QUR is consumed in health-compromised conditions, by revealing the role of fever/mild inflammation in enhancing liver toxicity upon QUR utilization, which was not apparent with moderate consumption of QUR-alone.
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Affiliation(s)
- Moamen Adel Mashaly
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Ibrahim Ghalib Saleh
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Ahmed Amine Ashour
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt.
| | - Ahmed Mohamed Mansour
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
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Zhu Y, Jin H, Huo X, Meng Q, Wang C, Sun P, Ma X, Sun H, Dong D, Wu J, Liu K. Protective effect of Rhein against vancomycin-induced nephrotoxicity through regulating renal transporters and Nrf2 pathway. Phytother Res 2022; 36:4244-4262. [PMID: 35820659 DOI: 10.1002/ptr.7559] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 06/17/2022] [Accepted: 06/20/2022] [Indexed: 12/21/2022]
Abstract
Vancomycin (VCM)'s nephrotoxicity limits its application and therapeutic efficiency. The aim of this study was to determine the protective effect of rhein against VCM-induced nephrotoxicity (VIN). VIN models were established in rats and NRK-52E cells. Rhein up-regulated the expressions of renal organic anion transporter (Oat) 1, Oat3, organic cation transporter 2 (Oct2), multidrug resistance-associated protein 2 (Mrp2), mammal multidrug and toxin extrusion proteins 1 (Mate 1) and P-glycoprotein (P-gp) to facilitate the efflux of plasma creatinine, blood urea nitrogen (BUN), and plasma indoxyl sulfate. Rhein increased the expression of nuclear factor erythroid 2-related factor 2 (Nrf2) to regulate the expression of Mrp2, P-gp, and Mate 1. The increased level of superoxide dismutase (SOD), decreased level of malondialdehyde (MDA) and reduced number of apoptosis cells were observed after treatment of rhein. Rhein decreased the number of apoptosis cells as well as increased the expression of B-cell lymphoma-2 (Bcl-2) and decreased expressions of Bcl-2-like protein 4 (Bax). ML385, as a typical inhibitor of Nrf2, reversed the protective effects of rhein in cells. Rhein oriented itself in the site of Keap1, inhibiting the Keap1-Nrf2 interaction. Rhein ameliorated VIN mainly through regulating the expressions of renal transporters and acting on Nrf2 pathway.
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Affiliation(s)
- Yanna Zhu
- Department of Pharmacy, The First Affiliated Hospital of Dalian Medical University, Dalian, China.,Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China
| | - Huan Jin
- Department of Pharmacy, The First Affiliated Hospital of Dalian Medical University, Dalian, China.,Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China
| | - Xiaokui Huo
- Pharmaceutical Research Center, Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Qiang Meng
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China.,Provincial Key Laboratory for Pharmacokinetics and Transport, Liaoning, Dalian Medical University, Dalian, China
| | - Changyuan Wang
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China.,Provincial Key Laboratory for Pharmacokinetics and Transport, Liaoning, Dalian Medical University, Dalian, China
| | - Pengyuan Sun
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China.,Provincial Key Laboratory for Pharmacokinetics and Transport, Liaoning, Dalian Medical University, Dalian, China
| | - Xiaodong Ma
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China.,Provincial Key Laboratory for Pharmacokinetics and Transport, Liaoning, Dalian Medical University, Dalian, China
| | - Huijun Sun
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China.,Provincial Key Laboratory for Pharmacokinetics and Transport, Liaoning, Dalian Medical University, Dalian, China
| | - Deshi Dong
- Department of Pharmacy, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Jingjing Wu
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China.,Provincial Key Laboratory for Pharmacokinetics and Transport, Liaoning, Dalian Medical University, Dalian, China
| | - Kexin Liu
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China.,Provincial Key Laboratory for Pharmacokinetics and Transport, Liaoning, Dalian Medical University, Dalian, China
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McClung JA, Levy L, Garcia V, Stec DE, Peterson SJ, Abraham NG. Heme-oxygenase and lipid mediators in obesity and associated cardiometabolic diseases: Therapeutic implications. Pharmacol Ther 2021; 231:107975. [PMID: 34499923 DOI: 10.1016/j.pharmthera.2021.107975] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 07/08/2021] [Accepted: 07/27/2021] [Indexed: 02/08/2023]
Abstract
Obesity-mediated metabolic syndrome remains the leading cause of death worldwide. Among many potential targets for pharmacological intervention, a promising strategy involves the heme oxygenase (HO) system, specifically its inducible form, HO-1. This review collects and updates much of the current knowledge relevant to pharmacology and clinical medicine concerning HO-1 in metabolic diseases and its effect on lipid metabolism. HO-1 has pleotropic effects that collectively reduce inflammation, while increasing vasodilation and insulin and leptin sensitivity. Recent reports indicate that HO-1 with its antioxidants via the effect of bilirubin increases formation of biologically active lipid metabolites such as epoxyeicosatrienoic acid (EET), omega-3 and other polyunsaturated fatty acids (PUFAs). Similarly, HO-1and bilirubin are potential therapeutic targets in the treatment of fat-induced liver diseases. HO-1-mediated upregulation of EET is capable not only of reversing endothelial dysfunction and hypertension, but also of reversing cardiac remodeling, a hallmark of the metabolic syndrome. This process involves browning of white fat tissue (i.e. formation of healthy adipocytes) and reduced lipotoxicity, which otherwise will be toxic to the heart. More importantly, this review examines the activity of EET in biological systems and a series of pathways that explain its mechanism of action and discusses how these might be exploited for potential therapeutic use. We also discuss the link between cardiac ectopic fat deposition and cardiac function in humans, which is similar to that described in obese mice and is regulated by HO-1-EET-PGC1α signaling, a potent negative regulator of the inflammatory adipokine NOV.
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Affiliation(s)
- John A McClung
- Department of Medicine, New York Medical College, Valhalla, NY 10595, United States of America
| | - Lior Levy
- Department of Medicine, New York Medical College, Valhalla, NY 10595, United States of America
| | - Victor Garcia
- Department of Pharmacology, New York Medical College, Valhalla, NY 10595, United States of America
| | - David E Stec
- Department of Physiology and Biophysics, Cardiorenal and Metabolic Diseases Research Center, University of Mississippi Medical Center, Jackson, MS 39216, United States of America.
| | - Stephen J Peterson
- Department of Medicine, Weill Cornell Medicine, New York, NY 10065, United States of America; New York Presbyterian Brooklyn Methodist Hospital, Brooklyn, NY 11215, United States of America
| | - Nader G Abraham
- Department of Medicine, New York Medical College, Valhalla, NY 10595, United States of America; Department of Pharmacology, New York Medical College, Valhalla, NY 10595, United States of America.
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VHL regulates the sensitivity of clear cell renal cell carcinoma to SIRT4-mediated metabolic stress via HIF-1α/HO-1 pathway. Cell Death Dis 2021; 12:621. [PMID: 34135317 PMCID: PMC8209205 DOI: 10.1038/s41419-021-03901-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 06/02/2021] [Accepted: 06/03/2021] [Indexed: 02/05/2023]
Abstract
Clear cell renal cell carcinomas (ccRCC) reprogram carbon metabolism responses to hypoxia, thereby promoting utilization of glutamine. Recently, sirtuin 4 (SIRT4), a novel molecular has turned out to be related to alternating glutamine metabolism and modulating the tumor microenvironment. However, the role of SIRT4 in ccRCC remains poorly understood. Here, we illustrated that the expression of SIRT4 is markedly reduced in cancerous tissues, and closely associated with malignancy stage, grade, and prognosis. In ccRCC cells, SIRT4 exerted its proapoptotic activity through enhancing intracellular reactive oxygen species (ROS). Heme oxygenase-1 (HO-1) is part of an endogenous defense system against oxidative stress. Nevertheless, overexpression of SIRT4 hindered the upregulation of HO-1 in von Hippel-Lindau (VHL)-proficient cells and repressed its expression in VHL-deficient cells. This discrepancy indicated that competent VHL withstands the inhibitory role of SIRT4 on HIF-1α/HO-1. Functionally, overexpression of HO-1 counteracted the promotional effects of SIRT4 on ROS accumulation and apoptosis. Mechanistically, SIRT4 modulates ROS and HO-1 expression via accommodating p38-MAPK phosphorylation. By contrast, downregulation of p38-MAPK by SB203580 decreased intracellular ROS level and enhanced the expression of HO-1. Collectively, this work revealed a potential role for SIRT4 in the stimulation of ROS and the modulation of apoptosis. SIRT4/HO-1 may act as a potential therapeutic target, especially in VHL-deficient ccRCCs.
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Grunenwald A, Roumenina LT, Frimat M. Heme Oxygenase 1: A Defensive Mediator in Kidney Diseases. Int J Mol Sci 2021; 22:2009. [PMID: 33670516 PMCID: PMC7923026 DOI: 10.3390/ijms22042009] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 02/04/2021] [Accepted: 02/08/2021] [Indexed: 12/18/2022] Open
Abstract
The incidence of kidney disease is rising, constituting a significant burden on the healthcare system and making identification of new therapeutic targets increasingly urgent. The heme oxygenase (HO) system performs an important function in the regulation of oxidative stress and inflammation and, via these mechanisms, is thought to play a role in the prevention of non-specific injuries following acute renal failure or resulting from chronic kidney disease. The expression of HO-1 is strongly inducible by a wide range of stimuli in the kidney, consequent to the kidney's filtration role which means HO-1 is exposed to a wide range of endogenous and exogenous molecules, and it has been shown to be protective in a variety of nephropathological animal models. Interestingly, the positive effect of HO-1 occurs in both hemolysis- and rhabdomyolysis-dominated diseases, where the kidney is extensively exposed to heme (a major HO-1 inducer), as well as in non-heme-dependent diseases such as hypertension, diabetic nephropathy or progression to end-stage renal disease. This highlights the complexity of HO-1's functions, which is also illustrated by the fact that, despite the abundance of preclinical data, no drug targeting HO-1 has so far been translated into clinical use. The objective of this review is to assess current knowledge relating HO-1's role in the kidney and its potential interest as a nephroprotection agent. The potential therapeutic openings will be presented, in particular through the identification of clinical trials targeting this enzyme or its products.
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Affiliation(s)
- Anne Grunenwald
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, F-75006 Paris, France; (A.G.); (L.T.R.)
| | - Lubka T. Roumenina
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, F-75006 Paris, France; (A.G.); (L.T.R.)
| | - Marie Frimat
- U1167-RID-AGE, Institut Pasteur de Lille, Inserm, Univ. Lille, F-59000 Lille, France
- Nephrology Department, CHU Lille, Univ. Lille, F-59000 Lille, France
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Chang TT, Chen YA, Li SY, Chen JW. Nrf-2 mediated heme oxygenase-1 activation contributes to the anti-inflammatory and renal protective effects of Ginkgo biloba extract in diabetic nephropathy. JOURNAL OF ETHNOPHARMACOLOGY 2021; 266:113474. [PMID: 33068650 DOI: 10.1016/j.jep.2020.113474] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 10/01/2020] [Accepted: 10/11/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Ginkgo biloba extract (GbE) is derived from a medicinal plant and suggested as a treatment for diabetic nephropathy (DN), but the mechanism was not clarified. AIM OF STUDY The present study investigated whether GbE prevented DN via activation of heme oxygenase (HO)-1. MATERIALS AND METHODS Streptozotocin-induced diabetic mice were fed a high-fat diet to generate DN. Human and murine podocytes were used for the in vitro study. RESULTS GbE improved renal function via decreasing glomerular hypertrophy, the kidney/body weight ratio, and albuminuria in DN mice. GbE reversed the reduction of synaptopodin and nephrin and enhanced HO-1 expression in the kidneys of DN mice. GbE decreased the enhancement of TNF-α, IL-6, fibronectin, and lipid accumulation in the glomeruli of DN mice. GbE attenuated the uptake of oxidized low-density lipoprotein and reduced the production of ROS in high glucose-stimulated podocytes, and HO-1 inhibitor treatment abrogated the protective effects of GbE. Nuclear factor erythroid 2-related factor 2 (Nrf-2) siRNA significantly abolished the beneficial effects of GbE via decreased HO-1 expression and enhanced TNF-α and IL-6 levels. CONCLUSIONS GbE protected podocytes against hyperglycemia and prevented the development of DN via Nrf-2/HO-1 activation. Our findings provide further mechanistic insight into the potential use of GbE in clinical DN.
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Affiliation(s)
- Ting-Ting Chang
- Department and Institute of Pharmacology, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Yi-An Chen
- Department and Institute of Pharmacology, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Szu-Yuan Li
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan; Division of Nephrology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Jaw-Wen Chen
- Department and Institute of Pharmacology, School of Medicine, National Yang-Ming University, Taipei, Taiwan; Healthcare and Services Center, Taipei Veterans General Hospital, Taiwan; Cardiovascular Research Center, National Yang-Ming University, Taipei, Taiwan; Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.
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10
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Hyperbaric Oxygen Preconditioning Upregulates Heme OxyGenase-1 and Anti-Apoptotic Bcl-2 Protein Expression in Spontaneously Hypertensive Rats with Induced Postischemic Acute Kidney Injury. Int J Mol Sci 2021; 22:ijms22031382. [PMID: 33573145 PMCID: PMC7866496 DOI: 10.3390/ijms22031382] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/22/2021] [Accepted: 01/23/2021] [Indexed: 12/19/2022] Open
Abstract
Renal ischemia and reperfusion (I/R) injury is the most common cause of acute kidney injury (AKI). Pathogenesis of postischemic AKI involves hemodynamic changes, oxidative stress, inflammation process, calcium ion overloading, apoptosis and necrosis. Up to date, therapeutic approaches to treat AKI are extremely limited. Thus, the aim of this study was to evaluate the effects of hyperbaric oxygen (HBO) preconditioning on citoprotective enzyme, heme oxygenase-1 (HO-1), pro-apoptotic Bax and anti-apoptotic Bcl-2 proteins expression, in postischemic AKI induced in normotensive Wistar and spontaneously hypertensive rats (SHR). The animals were randomly divided into six experimental groups: SHAM-operated Wistar rats (W-SHAM), Wistar rats with induced postischemic AKI (W-AKI) and Wistar group with HBO preconditioning before AKI induction (W-AKI + HBO). On the other hand, SHR rats were also divided into same three groups: SHR-SHAM, SHR-AKI and SHR-AKI + HBO. We demonstrated that HBO preconditioning upregulated HO-1 and anti-apoptotic Bcl-2 protein expression, in both Wistar and SH rats. In addition, HBO preconditioning improved glomerular filtration rate, supporting by significant increase in creatinine, urea and phosphate clearances in both rat strains. Considering our results, we can also say that even in hypertensive conditions, we can expect protective effects of HBO preconditioning in experimental model of AKI.
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da Fonseca CD, Watanabe M, Couto SMF, dos Santos AAC, Borges FT, Vattimo MDFF. The renoprotective effects of Heme Oxygenase-1 during contrast-induced acute kidney injury in preclinical diabetic models. Clinics (Sao Paulo) 2021; 76:e3002. [PMID: 34669875 PMCID: PMC8491594 DOI: 10.6061/clinics/2021/e3002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 09/14/2021] [Indexed: 12/03/2022] Open
Abstract
OBJECTIVES Contrast-induced acute kidney injury (CI-AKI) is an important clinical problem that can be aggravated by diabetes mellitus, a major risk factor. However, heme oxygenase-1 (HO-1), a promising therapeutic target, can exert antioxidant effects against CI-AKI. Thus, we investigated the role of HO-1 in CI-AKI in the presence of diabetes mellitus. METHODS Twenty-eight male Wistar rats weighing 250-300g were subjected to left uninephrectomy, and concomitantly, diabetes induced by streptozotocin (65 mg/kg). After 12 weeks, iodinated contrast (meglumine ioxithalamate, 6 mL/kg) and hemin (HO-1 inducer-10 mg/k) were administered 60 min before iodinated contrast treatment. The rats were randomly divided into four groups: control, diabetes mellitus (DM), DM iodinated contrast (DMIC), and DMIC hemin (DMICH). Kidney function, albuminuria, oxidative profile, and histology were assessed. All experimental data were subjected to statistical analyses. RESULTS CI-AKI in preclinical diabetic models decreased creatinine clearance and increased urinary neutrophil gelatinase-associated lipocalin (NGAL) levels and the degree of albuminuria. Additionally, the levels of oxidative and nitrosative stress metabolites (urinary peroxides, thiobarbituric acid-reactive substances, and NO) were elevated, while thiol levels in kidney tissue were reduced. Kidney histology showed tubular cell vacuolization and edema. HO-1 inducer treatment improved kidney function and reduced urinary the NGAL levels. The oxidative profile showed an increase in the endogenous thiol-based antioxidant levels. Additionally, the tubular injury score was reduced following HO-1 treatment. CONCLUSIONS Our findings highlight the renoprotective effects of HO-1 in CI-AKI and preclinical diabetic models. Therefore, HO-1 ameliorates kidney dysfunction, reduces oxidative stress, and prevents cell necrosis.
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Affiliation(s)
- Cassiane Dezoti da Fonseca
- Escola Paulista de Enfermagem, Universidade Federal de Sao Paulo, Sao Paulo, SP, BR
- Laboratorio Experimental de Modelos Animais (LEMA), Escola de Enfermagem, Universidade de Sao Paulo, Sao Paulo, SP, BR
- Corresponding author. E-mail:
| | - Mirian Watanabe
- Centro Universitario das Faculdades Metropolitanas Unidas (FMU), Sao Paulo, SP, BR
| | | | | | - Fernanda Teixeira Borges
- Programa de Pos-graduacao Interdisciplinar em Ciencias da Saude, Universidade Cruzeiro do Sul, Sao Paulo SP, BR
- Divisao de Nefrologia, Universidade Federal de Sao Paulo, Sao Paulo, SP, BR
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12
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Kusirisin P, Chattipakorn SC, Chattipakorn N. Contrast-induced nephropathy and oxidative stress: mechanistic insights for better interventional approaches. J Transl Med 2020; 18:400. [PMID: 33081797 PMCID: PMC7576747 DOI: 10.1186/s12967-020-02574-8] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 10/14/2020] [Indexed: 12/17/2022] Open
Abstract
Contrast-induced nephropathy (CIN) or contrast-induced acute kidney injury (CI-AKI) is an iatrogenic acute kidney injury observed after intravascular administration of contrast media for intravascular diagnostic procedures or therapeutic angiographic intervention. High risk patients including those with chronic kidney disease (CKD), diabetes mellitus with impaired renal function, congestive heart failure, intraarterial intervention, higher volume of contrast, volume depletion, old age, multiple myeloma, hypertension, and hyperuricemia had increased prevalence of CIN. Although CIN is reversible by itself, some patients suffer this condition without renal recovery leading to CKD or even end-stage renal disease which required long term renal replacement therapy. In addition, both CIN and CKD have been associated with increasing of mortality. Three pathophysiological mechanisms have been proposed including direct tubular toxicity, intrarenal vasoconstriction, and excessive production of reactive oxygen species (ROS), all of which lead to impaired renal function. Reports from basic and clinical studies showing potential preventive strategies for CIN pathophysiology including low- or iso-osmolar contrast media are summarized and discussed. In addition, reports on pharmacological interventions to reduce ROS and attenuate CIN are summarized, highlighting potential for use in clinical practice. Understanding this contributory mechanism could pave ways to improve therapeutic strategies in combating CIN.
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Affiliation(s)
- Prit Kusirisin
- Division of Nephrology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
| | - Siriporn C Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
| | - Nipon Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand.
- Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
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13
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Jiang N, Zhao H, Han Y, Li L, Xiong S, Zeng L, Xiao Y, Wei L, Xiong X, Gao P, Yang M, Liu Y, Sun L. HIF-1α ameliorates tubular injury in diabetic nephropathy via HO-1-mediated control of mitochondrial dynamics. Cell Prolif 2020; 53:e12909. [PMID: 32975326 PMCID: PMC7653251 DOI: 10.1111/cpr.12909] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/19/2020] [Accepted: 09/02/2020] [Indexed: 12/21/2022] Open
Abstract
Objectives In diabetic nephropathy (DN), hypoxia‐inducible factor‐1α (HIF‐1α) activation in tubular cells plays an important protective role against kidney injury. The effects may occur via the target genes of HIF‐1α, such as haem oxygenase‐1 (HO‐1), but the exact mechanisms are incompletely understood. Materials and methods Mice with proximal tubule‐specific knockout of HIF‐1α (PT‐HIF‐1α−/− mice) were generated, and diabetes was induced in these mice by streptozotocin (STZ) injection. In addition, to mimic a hypoxic state, cobaltous chloride (CoCl2) was applied to HK‐2 cells. Results Our study first verified that conditional knockout of HIF‐1α worsened tubular injury in DN; additionally, aggravated kidney dysfunction, renal histopathological alterations, mitochondrial fragmentation, ROS accumulation and apoptosis were observed in diabetic PT‐HIF‐1α−/− mice. In vitro study showed that compared to control group, HK‐2 cells cultured under hypoxic ambiance displayed increased mitochondrial fragmentation, ROS production, mitochondrial membrane potential loss and apoptosis. These increases were reversed by overexpression of HIF‐1α or treatment with a HO‐1 agonist. Importantly, cotreatment with a HIF‐1α inhibitor and a HO‐1 agonist rescued the HK‐2 cells from the negative impacts of the HIF‐1α inhibitor. Conclusions These data revealed that HIF‐1α exerted a protective effect against tubular injury in DN, which could be mediated via modulation of mitochondrial dynamics through HO‐1 upregulation.
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Affiliation(s)
- Na Jiang
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Hao Zhao
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Yachun Han
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Li Li
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Shan Xiong
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Lingfeng Zeng
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Ying Xiao
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Ling Wei
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Xiaofen Xiong
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Peng Gao
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Ming Yang
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Yu Liu
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Lin Sun
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
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14
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Yang KJ, Kim JH, Chang YK, Park CW, Kim SY, Hong YA. Inhibition of xanthine oxidoreductase protects against contrast-induced renal tubular injury by activating adenosine monophosphate-activated protein kinase. Free Radic Biol Med 2019; 145:209-220. [PMID: 31560952 DOI: 10.1016/j.freeradbiomed.2019.09.027] [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: 09/10/2019] [Accepted: 09/22/2019] [Indexed: 01/10/2023]
Abstract
Reactive oxygen species (ROS) play a pivotal role in the development of contrast-induced nephropathy (CIN). The inhibition of xanthine oxidoreductase is known to reduce levels of ROS. We investigated whether febuxostat could attenuate oxidative stress via the activation of adenosine monophosphate-activated protein kinase (AMPK) against CIN. In a mouse model of CIN, renal impairment and tubular injury substantially increased, whereas febuxostat attenuated renal injury. Plasma and kidney xanthine oxidoreductase levels were decreased by febuxostat. Febuxostat administration was accompanied by the upregulation of AMPK phosphorylation and the inhibition of nicotinamide-adenine dinucleotide phosphate oxidase (Nox)1 and Nox2, followed by the inhibition of hypoxia-inducible factor-1α (HIF-1α) and heme oxygenase-1 expressions and the suppression of transcription factor forkhead box O (FoxO)1 and FoxO3a phosphorylation. Cell survival was significantly reduced after iohexol administration and febuxostat ameliorated iohexol-induced cell death in proximal tubular (HK-2) cells. Furthermore, febuxostat enhanced AMPK phosphorylation and inhibited Nox1, Nox2, and HIF-1α expression in iohexol-exposed HK-2 cells. Finally, these processes decrease ROS in both in vivo and in vitro models of CIN. AMPK inhibition using small interfering RNA blunted the antioxidative effects of febuxostat in iohexol-treated HK-2 cells. Febuxostat attenuated CIN by modulating oxidative stress through AMPK-NADPH oxidase-HIF-1α signaling.
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Affiliation(s)
- Keum-Jin Yang
- Clinical Research Institute, Daejeon St. Mary's Hospital, Daejeon, Republic of Korea
| | - Jeong Ho Kim
- Division of Nephrology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yoon Kyung Chang
- Division of Nephrology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Cheol Whee Park
- Division of Nephrology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Suk Young Kim
- Division of Nephrology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yu Ah Hong
- Division of Nephrology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
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15
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Khaleel SA, Raslan NA, Alzokaky AA, Ewees MG, Ashour AA, Abdel-Hamied HE, Abd-Allah AR. Contrast media (meglumine diatrizoate) aggravates renal inflammation, oxidative DNA damage and apoptosis in diabetic rats which is restored by sulforaphane through Nrf2/HO-1 reactivation. Chem Biol Interact 2019; 309:108689. [PMID: 31173751 DOI: 10.1016/j.cbi.2019.06.002] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 05/24/2019] [Accepted: 06/03/2019] [Indexed: 02/01/2023]
Abstract
Diabetes mellitus is an independent risk factor for renal impairment in patients exposed to contrast media. It doubles the risk and decreases survival rate of contrast induced nephropathy (CIN). Sulforaphane has antioxidant properties via Nrf2 activation. The interaction of diabetes and/or sulforaphane with contrast media on Nrf2 regulation is not yet understood. Herein, diabetes was induced by a single intra-peritoneal injection of streptozotocin. Animals were then divided into five groups; control non-diabetic group; diabetic group; diabetic/sulforaphane group; diabetic/CIN group; diabetic/CIN/sulforaphane group. Animals were assessed 24 h after CIN induction. Sulforaphane improved the impaired nephrotoxicity parameters, histopathological features, and oxidative stress markers induced by contrast media (meglumine diatrizoate) in diabetic rats. Immunofluorescence detection revealed increased Nrf2 expression in kidney sections after sulforaphane pretreatment. Moreover, gene expression of Nrf2 and HO-1 were up-regulated, while IL-6 and caspase3 were down-regulated in kidney tissues of animals pretreated with sulforaphane. In NRK-52E cells, sulforaphane pretreatment significantly ameliorated the cytotoxicity of meglumine diatrizoate. However, silencing Nrf2 using small interfering RNA (siRNA) abolished the cytoprotective effects of sulforaphane. Collectively, the results of this study suggest that Nrf2/HO-1 pathway has a protective role against CIN and support the clinical implication of Nrf2 activators, such as sulforaphane, in CIN particularly in diabetic patients.
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Affiliation(s)
- Sahar A Khaleel
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt; Davis Heart and Lung Research Institute and Division of Cardiovascular Medicine, College of Medicine, The Ohio State University, Columbus, OH, 43210, USA.
| | - Nahed A Raslan
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Amany A Alzokaky
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Mohamed G Ewees
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt; Davis Heart and Lung Research Institute and Division of Cardiovascular Medicine, College of Medicine, The Ohio State University, Columbus, OH, 43210, USA
| | - Ahmed A Ashour
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Hala E Abdel-Hamied
- Department of Pathology, College of Medicine, Al-Azhar University, Cairo, Egypt
| | - Adel R Abd-Allah
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
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16
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Black LM, Lever JM, Traylor AM, Chen B, Yang Z, Esman SK, Jiang Y, Cutter GR, Boddu R, George JF, Agarwal A. Divergent effects of AKI to CKD models on inflammation and fibrosis. Am J Physiol Renal Physiol 2018; 315:F1107-F1118. [PMID: 29897282 DOI: 10.1152/ajprenal.00179.2018] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Chronic kidney disease (CKD) is a condition with significant morbidity and mortality that affects 15% of adults in the United States. One cause of CKD is acute kidney injury (AKI), which commonly occurs secondary to sepsis, ischemic events, and drug-induced nephrotoxicity. Unilateral ischemia-reperfusion injury (UIRI) without contralateral nephrectomy (CLN) and repeated low-dose cisplatin (RLDC) models of AKI to CKD demonstrate responses characteristic of the transition; however, previous studies have not effectively compared the pathogenesis. We demonstrate both models instigate renal dysfunction, inflammatory cytokine responses, and fibrosis. However, the models exhibit differences in urinary excretory function, inflammatory cell infiltration, and degree of fibrotic response. UIRI without CLN demonstrated worsening perfusion and function, measured with 99mTc-mercaptoacetyltriglycine-3 imaging, and physiologic compensation in the contralateral kidney. Furthermore, UIRI without CLN elicited a robust inflammatory response that was characterized by a prolonged polymorphonuclear cell and natural killer cell infiltrate and an early expansion of kidney resident macrophages, followed by T-cell infiltration. Symmetrical diminished function occurred in RLDC kidneys and progressively worsened until day 17 of the study. Surprisingly, RLDC mice demonstrated a decrease in inflammatory cell numbers relative to controls. However, RLDC kidneys expressed increased levels of kidney injury molecule-1 (KIM-1), high mobility group box-1 ( HMGB1), and colony stimulating factor-1 ( CSF-1), which likely recruits inflammatory cells in response to injury. These data emphasize how the divergent etiologies of AKI to CKD models affect the kidney microenvironment and outcomes. This study provides support for subtyping AKI by etiology in human studies, aiding in the elucidation of injury-specific pathophysiologic mechanisms of the AKI to CKD transition.
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Affiliation(s)
- L M Black
- Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham , Birmingham, Alabama
| | - J M Lever
- Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham , Birmingham, Alabama
| | - A M Traylor
- Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham , Birmingham, Alabama
| | - B Chen
- Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham , Birmingham, Alabama
| | - Z Yang
- Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham , Birmingham, Alabama
| | - S K Esman
- Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham , Birmingham, Alabama
| | - Y Jiang
- Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham , Birmingham, Alabama
| | - G R Cutter
- Department of Biostatistics, University of Alabama at Birmingham , Birmingham, Alabama
| | - R Boddu
- Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham , Birmingham, Alabama
| | - J F George
- Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham , Birmingham, Alabama.,Department of Surgery, University of Alabama at Birmingham , Birmingham, Alabama
| | - A Agarwal
- Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham , Birmingham, Alabama.,Department of Veterans Affairs , Birmingham, Alabama
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17
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Perco P, Mayer G. Endogenous factors and mechanisms of renoprotection and renal repair. Eur J Clin Invest 2018; 48:e12914. [PMID: 29460289 DOI: 10.1111/eci.12914] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 02/14/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND An imbalance between renal damaging molecules and nephroprotective factors contributes to the development and progression of kidney diseases. Molecules with renoprotective properties might serve as biomarkers, drug targets as well as therapeutic options themselves. MATERIALS AND METHODS For this review, we generated a set of renoprotective factors based on GeneRIF (Gene Reference Into Function) information available at NCBI's PubMed. The final set of manually curated renoprotective factors was investigated with respect to tissue-specific expression, subcellular location distribution and involvement in biological processes using information from gene ontology as well as information from protein-protein interaction databases. We furthermore investigated the factors in the context of clinical trials of renal disease and diabetes. RESULTS One hundred and ninety-three factors could be retrieved from the set of GeneRIFs on nephroprotection and renal repair. A large number of factors were either secretory molecules or plasma membrane receptors. Next to the elevated expression in renal tissue, also higher expression in connective tissue and pancreas was observed. The proteins could be assigned to the broad functional categories of cell proliferation and signalling, inflammatory response, apoptosis, blood pressure regulation as well as cellular response to different kinds of insults such as hypoxia, heat or mechanical stimulus. Eight factors are studied in clinical trials with additional ones being targeted by compounds. CONCLUSIONS We have generated a set of renoprotective factors based on the literature information, which was functionally annotated and evaluated with respect to tested compounds in kidney disease and diabetes clinical trials.
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Affiliation(s)
- Paul Perco
- Department of Internal Medicine IV, Medical University of Innsbruck, Innsbruck, Austria
| | - Gert Mayer
- Department of Internal Medicine IV, Medical University of Innsbruck, Innsbruck, Austria
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18
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Cytotoxicity of radiocontrast dyes in human umbilical cord mesenchymal stem cells. Toxicol Appl Pharmacol 2018; 349:72-82. [PMID: 29705293 DOI: 10.1016/j.taap.2018.04.032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 04/13/2018] [Accepted: 04/24/2018] [Indexed: 11/22/2022]
Abstract
Radiocontrast dyes are used for a wide range of diagnostic procedures for enhancing the image of anatomical structures, pain targets, and vascular uptake. While some of these dyes show toxicity to primary cells, their effect on stem cells, particularly mesenchymal stem cells (MSCs), is unknown. This study investigates the cytotoxic effects of two clinically used radiocontrast dyes, iohexol and iopamidol, on bone marrow and human umbilical cord MSCs. Exposure to these dyes significantly affected morphology of MSCs from both sources, as treated cells appeared transparent and no longer fibroblastoid. Cell viability decreased as determined by trypan blue and Annexin-V/PI staining, in a dose dependent manner with simultaneous loss of CD90 and CD105 concurrent with spontaneous differentiation in MSCs treated with iohexol and iopamidol. In addition, significantly higher cell death was observed in MSCs exposed to iopamidol than iohexol. At a concentration of 1:1, iohexol and iopamidol induced apoptosis in 19% and 92% (<.01) of MSCs, respectively. Global transcriptome analysis of treated MSCs revealed 139 and 384 differentially expressed genes in iohexol vs control and iopamidol vs control at p ≤ .01 and 1.5-fold, respectively. This suggested that iopamidol had more significant effect on the transcription of MSCs. Based on these results a molecular mechanism of radiocontast dye induced cell death via intrinsic apoptosis pathway mediated by p53 was proposed. Since iopamidol was significantly more toxic than iohexol in human MSCs, a more careful examination of safety of radiocontrast dyes for clinical use is warranted.
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Yue R, Zuo C, Zeng J, Su B, Tao Y, Huang S, Zeng R. Atorvastatin attenuates experimental contrast-induced acute kidney injury: a role for TLR4/MyD88 signaling pathway. Ren Fail 2018; 39:643-651. [PMID: 28805489 PMCID: PMC6447912 DOI: 10.1080/0886022x.2017.1361838] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Objectives: To investigate the protective effect of different atorvastatin doses on contrast-induced acute kidney injury and the related mechanism. Methods: Healthy male Sprague–Dawley (SD) rats were randomly divided into the blank control group, experimental control group and different-dose atorvastatin groups. A rat model of contrast-induced acute kidney injury was established. We detected changes in serum creatinine (Scr) and blood urea nitrogen (BUN) before and after model establishment, observed and scored renal tubular injury, analyzed rat renal cell apoptosis, and measure the expression of signal pathway proteins and downstream inflammatory factors. Results: After contrast agent injection, the Scr and BUN levels of the experimental control group were significantly increased, the different doses applied in the atorvastatin group significantly reduced the Scr and BUN levels (p < .05) and ameliorated the contrast-induced acute kidney injury (p < .05) and significantly reduced Toll-like receptor 4 (TLR4), Myeloid differentiation factor 88 (Myd88), and Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) protein expression and relative mRNA expression levels (p < .05) and significantly decreased expression levels of downstream inflammatory factors (p < .05). Conclusion: Different atorvastatin doses have protective effects on contrast-induced acute renal tubular injury in rats, possibly by targeting TLR4, suppressing TLR4 expression, regulating the TLR4/Myd88 signaling pathway, and inhibiting the expression of downstream inflammatory factors.
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Affiliation(s)
- Rongzheng Yue
- a Department of Nephrology , West China Hospital, School of Clinic Medicine, Sichuan University , Chengdu , PR China
| | - Chuan Zuo
- b Department of Rheumatology and Immunology , West China Hospital, School of Clinic Medicine, Sichuan University , Chengdu , PR China
| | - Jing Zeng
- c Department of Internal Medicine , West China Hospital, School of Clinic Medicine, Sichuan University , Chengdu , PR China
| | - Baihai Su
- a Department of Nephrology , West China Hospital, School of Clinic Medicine, Sichuan University , Chengdu , PR China
| | - Ye Tao
- a Department of Nephrology , West China Hospital, School of Clinic Medicine, Sichuan University , Chengdu , PR China
| | - Songmin Huang
- a Department of Nephrology , West China Hospital, School of Clinic Medicine, Sichuan University , Chengdu , PR China
| | - Rui Zeng
- d Department of Cardiovascular Diseases , West China Hospital, School of Clinic Medicine, Sichuan University , Chengdu , PR China
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Abstract
B-cell lymphoma 2 (BCL-2) family proteins gather at the biologic cross-roads of renal cell survival: the outer mitochondrial membrane. Despite shared sequence and structural features, members of this conserved protein family constantly antagonize each other in a life-and-death battle. BCL-2 members innocently reside within renal cells until activated or de-activated by physiologic stresses caused by common nephrotoxins, transient ischemia, or acute glomerulonephritis. Recent experimental data not only illuminate the intricate mechanisms of apoptosis, the most familiar form of BCL-2-mediated cell death, but emphasizes their newfound roles in necrosis, necroptosis, membrane pore transition regulated necrosis, and other forms of acute cell demise. A major paradigm shift in non-cell death roles of the BCL-2 family has occurred. BCL-2 proteins also regulate critical daily renal cell housekeeping functions including cell metabolism, autophagy (an effective means for recycling cell components), mitochondrial morphology (organelle fission and fusion), as well as mitochondrial biogenesis. This article considers new concepts in the biochemical and structural regulation of BCL-2 proteins that contribute to membrane pore permeabilization, a universal feature of cell death. Despite these advances, persistent BCL-2 family mysteries continue to challenge cell biologists. Given their interface with many intracellular functions, it is likely that BCL-2 proteins determine cell viability under many pathologic circumstances relevant to the nephrologist and, as a consequence, represent an ideal therapeutic target.
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Affiliation(s)
- Steven C Borkan
- Evans Biomedical Research Center, Boston University Medical Center, Boston, MA.
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21
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Patricia Moreno-Londoño A, Bello-Alvarez C, Pedraza-Chaverri J. Isoliquiritigenin pretreatment attenuates cisplatin induced proximal tubular cells (LLC-PK1) death and enhances the toxicity induced by this drug in bladder cancer T24 cell line. Food Chem Toxicol 2017; 109:143-154. [DOI: 10.1016/j.fct.2017.08.047] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 08/22/2017] [Accepted: 08/30/2017] [Indexed: 12/17/2022]
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22
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Chebotareva N, Bobkova I, Shilov E. Heat shock proteins and kidney disease: perspectives of HSP therapy. Cell Stress Chaperones 2017; 22:319-343. [PMID: 28409327 PMCID: PMC5425374 DOI: 10.1007/s12192-017-0790-0] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 02/11/2017] [Accepted: 03/20/2017] [Indexed: 12/11/2022] Open
Abstract
Heat shock proteins (HSPs) mediate a diverse range of cellular functions, prominently including folding and regulatory processes of cellular repair. A major property of these remarkable proteins, dependent on intracellular or extracellular location, is their capacity for immunoregulation that optimizes immune activity while avoiding hyperactivated inflammation. In this review, recent investigations are described, which examine roles of HSPs in protection of kidney tissue from various traumatic influences and demonstrate their potential for clinical management of nephritic disease. The HSP70 class is particularly attractive in this respect due to its multiple protective effects. The review also summarizes current understanding of HSP bioactivity in the pathophysiology of various kidney diseases, including acute kidney injury, diabetic nephropathy, chronic glomerulonephritis, and lupus nephritis-along with other promising strategies for their remediation, such as DNA vaccination.
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Affiliation(s)
- Natalia Chebotareva
- I.M. Sechenov First Moscow State Medical University, 2-4 Bolshaya Pirogovskaya st., Moscow, Russia, 119992.
| | - Irina Bobkova
- I.M. Sechenov First Moscow State Medical University, 2-4 Bolshaya Pirogovskaya st., Moscow, Russia, 119992
| | - Evgeniy Shilov
- I.M. Sechenov First Moscow State Medical University, 2-4 Bolshaya Pirogovskaya st., Moscow, Russia, 119992
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23
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Vuruşkan E, Saraçoğlu E. Bilirubin Levels are Associated With Contrast-Induced Nephropathy in Peripheral Artery Disease. Angiology 2016; 68:728-733. [DOI: 10.1177/0003319716679340] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The relationship between contrast-induced nephropathy (CIN) and oxidative mechanisms is well documented. Our aim was to demonstrate the possible relationship between CIN and serum bilirubin as an antioxidant molecule. This retrospective study included 359 patients with peripheral artery disease (PAD) who underwent peripheral diagnostic angiography; 179 developed CIN after the intervention and another 180 were the control group, matched for age, gender, and cardiovascular risk factors. Baseline, 48- to 72-hour, and 30-day laboratory values, major adverse cardiovascular events, and dialysis requirements were recorded. Patients with CIN had significantly higher levels of uric acid, red cell distribution width, and neutrophil-to-lymphocyte ratio (NLR) but lower total bilirubin compared to the control patients ( P < .05). Multivariate logistic regression analysis showed that diabetes mellitus, left ventricular ejection fraction, uric acid, NLR, and total bilirubin levels were independent predictors of CIN development ( P = .01, P = .001, P = .001, P = .01, and P = .001, respectively). This study demonstrated that decreased total bilirubin was associated with CIN development after the administration of radiocontrast agents in patients with PAD.
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Affiliation(s)
- Ertan Vuruşkan
- Department of Cardiology, Dr Ersin Arslan Education and Research Hospital, Gaziantep, Turkey
| | - Erhan Saraçoğlu
- Department of Cardiology, Dr Ersin Arslan Education and Research Hospital, Gaziantep, Turkey
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HDL Cholesterol Level Is Associated with Contrast Induced Acute Kidney Injury in Chronic Kidney Disease Patients Undergoing PCI. Sci Rep 2016; 6:35774. [PMID: 27775043 PMCID: PMC5075868 DOI: 10.1038/srep35774] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 10/03/2016] [Indexed: 01/24/2023] Open
Abstract
Chronic kidney disease (CKD) is a significant risk factor for contrast induced acute kidney injury (CI-AKI) after percutaneous coronary intervention (PCI). This study included 1592 CKD patients extracted from a prospective multicenter, all comer-based registry of patients undergoing PCI. In multivariate logistic analysis for CI-AKI development, a significant linear trend was observed between the quartiles of HDL-C (quartile 1 vs. 2: odds ratio [OR], 0.716; 95% confidence interval [CI], 0.421-1.219; quartile 1 vs. 3: OR, 0.534; 95% CI, 0.301-0.947; quartile 1 vs. 4: OR, 0.173; 95% CI, 0.079-0.377; P for trend < 0.001). HDL-C quartiles were also negatively correlated with the incidence of CI-AKI; 19.0%, 12.1%, 8.7%, and 3.7% for quartile 1(Q1) (<34 mg/dL), Q2 (34-40 mg/dL), Q3 (40-48 mg/dL), and Q4 (>48 mg/dL) respectively (P < 0.001 overall and for the trend). Multivariate Cox regression analysis for the long term mortality, the highest HDL-C quartile was associated with decreased mortality compared with the lowest HDL-C quartile (hazard ratio [HR] 0.516, 95% CI, 0.320-0.832, P = 0.007). Our study suggests more intensive strategies should be considered for preventing CI-AKI in CKD patients with low serum HDL-C level who is planned for PCI.
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Shen J, Wang L, Jiang N, Mou S, Zhang M, Gu L, Shao X, Wang Q, Qi C, Li S, Wang W, Che X, Ni Z. NLRP3 inflammasome mediates contrast media-induced acute kidney injury by regulating cell apoptosis. Sci Rep 2016; 6:34682. [PMID: 27721494 PMCID: PMC5056378 DOI: 10.1038/srep34682] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Accepted: 09/16/2016] [Indexed: 12/20/2022] Open
Abstract
Iodinated contrast media serves as a direct causative factor of acute kidney injury (AKI) and is involved in the progression of cellular dysfunction and apoptosis. Emerging evidence indicates that NLRP3 inflammasome triggers inflammation, apoptosis and tissue injury during AKI. Nevertheless, the underlying renoprotection mechanism of NLRP3 inflammasome against contrast-induced AKI (CI-AKI) was still uncertain. This study investigated the role of NLRP3 inflammasome in CI-AKI both in vitro and in vivo. In HK-2 cells and unilateral nephrectomy model, NLRP3 and NLRP3 inflammasome member ASC were significantly augmented with the treatment of contrast media. Moreover, genetic disruption of NLRP3 notably reversed contrast-induced expression of apoptosis related proteins and secretion of proinflammatory factors, similarly to the effects of ASC deletion. Consistent with above results, absence of NLRP3 in mice undergoing unilateral nephrectomy also protected against contrast media-induced renal cells phenotypic alteration and cell apoptosis via modulating expression level of apoptotic proteins. Collectively, we demonstrated that NLRP3 inflammasome mediated CI-AKI through modulating the apoptotic pathway, which provided a potential therapeutic target for the treatment of contrast media induced acute kidney injury.
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Affiliation(s)
- Jianxiao Shen
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, 1630 Dong Fang Road, Shanghai, 200127, China
| | - Ling Wang
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, 1630 Dong Fang Road, Shanghai, 200127, China
| | - Na Jiang
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, 1630 Dong Fang Road, Shanghai, 200127, China
| | - Shan Mou
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, 1630 Dong Fang Road, Shanghai, 200127, China
| | - Minfang Zhang
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, 1630 Dong Fang Road, Shanghai, 200127, China
| | - Leyi Gu
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, 1630 Dong Fang Road, Shanghai, 200127, China
| | - Xinghua Shao
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, 1630 Dong Fang Road, Shanghai, 200127, China
| | - Qin Wang
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, 1630 Dong Fang Road, Shanghai, 200127, China
| | - Chaojun Qi
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, 1630 Dong Fang Road, Shanghai, 200127, China
| | - Shu Li
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, 1630 Dong Fang Road, Shanghai, 200127, China
| | - Wanpeng Wang
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, 1630 Dong Fang Road, Shanghai, 200127, China
| | - Xiajing Che
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, 1630 Dong Fang Road, Shanghai, 200127, China
| | - Zhaohui Ni
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, 1630 Dong Fang Road, Shanghai, 200127, China
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Li WH, Wang L, He HY, Chen J, Yu YR. Expression of neutrophil gelatinase-associated lipocalin in low osmolar contrast-induced nephropathy in rats and the effect of N-acetylcysteine. Exp Ther Med 2016; 12:3175-3180. [PMID: 27882134 PMCID: PMC5103765 DOI: 10.3892/etm.2016.3779] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2015] [Accepted: 08/25/2016] [Indexed: 12/17/2022] Open
Abstract
Serum creatinine (Scr), which is a conventional indicator of contrast-induced nephropathy (CIN), is unable to reflect the damage of kidney promptly. The present study aimed to investigate the value of neutrophil gelatinase-associated lipocalin (NGAL) in kidney and serum of CIN rats to observe whether NGAL can be used as a superior indicator of CIN. Furthermore, N-acetylcysteine (NAC) was used to assess its effect on CIN. A total of 120 adult male Sprague Dawley rats were randomly divided into four groups (n=30/group): CIN rats (CIN), normal rats treated with NAC (NAC), CIN rats treated with NAC (NAC+CIN) and the control group (CON). Serum Scr and NGAL values were measured at 2, 12, 24, 48 and 72 h following the procedure. Immunohistochemistry and western blot analysis were used to detect NGAL within the kidney tissue. Hematoxylin and eosin staining were used to access the renal injury score. Oxidative stress within the kidney was analyzed via malondialdehyde (MDA) and superoxide dismutase (SOD). The level of NGAL in the serum and tissue of the CIN group increased significantly 2 h after the procedure (P<0.05). However, the Scr value did not exhibit a significantly change until 48 h later. Based on the renal injury scores, NAC reduced the kidney damage caused by the contrast. NAC treatment was associated with a decrease in SOD levels and an increase in MDA. These findings suggested that NGAL was a superior indicator of CIN than Scr, as NGAL was able to detect kidney damage much earlier. Furthermore, NAC treatment inhibited oxidative stress, thus protecting against CIN.
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Affiliation(s)
- Wen-Hua Li
- Department of Cardiology, Institute of Cardiovascular Diseases Research, Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu 221002, P.R. China
| | - Lin Wang
- Department of Cardiology, Institute of Cardiovascular Diseases Research, Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu 221002, P.R. China
| | - Hai-Yan He
- Department of Cardiology, Institute of Cardiovascular Diseases Research, Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu 221002, P.R. China
| | - Jing Chen
- Department of Cardiology, Institute of Cardiovascular Diseases Research, Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu 221002, P.R. China
| | - Ya-Ren Yu
- Department of Cardiology, Institute of Cardiovascular Diseases Research, Affiliated Hospital of Xuzhou Medical College, Xuzhou, Jiangsu 221002, P.R. China
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Abstract
SIGNIFICANCE Acute kidney injury (AKI) and chronic kidney disease (CKD) represent a considerable burden in healthcare. The heme oxygenase (HO) system plays an important role in regulating oxidative stress and is protective in a variety of human and animal models of kidney disease. Preclinical studies of the HO system have led to the development of several clinical trials targeting the enzyme or its products. RECENT ADVANCES Connection of HO, ferritin, and other proteins involved in iron regulation has provided important insight into mechanisms of damage in AKI. Also, HO-1 expression is important in the pathogenesis of hypertension, diabetic kidney disease, and progression to end-stage renal disease. CRITICAL ISSUES Despite intriguing discoveries, no drugs targeting the HO system have been translated to the clinic. Meanwhile, treatments for AKI and CKD are urgently needed. Many factors have likely contributed to challenges in clinical translation, including variation in animal models, difficulties in obtaining human tissue, and complexity of the disease processes being studied. FUTURE DIRECTIONS The HO system represents a promising avenue of investigation that may lead to targeted therapeutics. Tissue-specific gene modulation, widening the scope of animal studies, and continued clinical research will provide valuable insight into the role HO plays in kidney homeostasis and disease. Antioxid. Redox Signal. 25, 165-183.
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Affiliation(s)
- Jeremie M Lever
- 1 Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, The University of Alabama at Birmingham , Birmingham, Alabama
| | - Ravindra Boddu
- 1 Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, The University of Alabama at Birmingham , Birmingham, Alabama
| | - James F George
- 2 Division of Cardiothoracic Surgery, Department of Surgery, The University of Alabama at Birmingham , Birmingham, Alabama
| | - Anupam Agarwal
- 1 Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, The University of Alabama at Birmingham , Birmingham, Alabama.,3 Birmingham Veterans Administration Medical Center , Birmingham, Alabama
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Ghadban T, Miro JT, Trump F, Tsui TY, Uzunoglu FG, Reeh M, Gebauer F, Bachmann K, Wellner U, Kalinin V, Pantel K, Izbicki JR, Vashist YK. Diverse prognostic value of the GTn promoter polymorphism in squamous cell and adeno carcinoma of the oesophagus. Clin Genet 2016; 90:343-50. [PMID: 26916598 DOI: 10.1111/cge.12765] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2015] [Revised: 02/05/2016] [Accepted: 02/22/2016] [Indexed: 11/28/2022]
Abstract
The basal transcription of heme oxygenase-1 (HO-1) regulation is dependent upon a GT repeat germ line polymorphism (GTn) in the promoter of the HO-1 gene. We determined the prognostic value of HO-1 promoter polymorphism on the natural postoperative course of complete resected oesophageal cancer. Genomic DNA from 297 patients was amplified by polymerase chain reaction and sequenced. The results were correlated with clinicopathological parameters, disseminated tumour cells in bone marrow (DTC) and clinical outcome. Depending on short allele with <25 and long allele with ≥25, GTn repeats three genotypes (SS, SL and LL) were defined. A diverse role of GTn was evident in squamous cell carcinoma (SCC) and adenocarcinoma (AC). In SCC, the SS genotype presented less advanced tumours with lower rate DTC in bone marrow and relapse compared with L-allele carriers. In contrast, AC patients with the SS genotype displayed a complete opposing tumour characteristic. The disease-free (DFS) and overall survival (OS) in SCC patients was markedly reduced in LL genotypes (p < 0.001). In AC contrarily the SS genotype patients displayed the worst DFS and OS (p < 0.001). GTn is a strong prognostic factor with diverse prognostic value for recurrence and survival in AC and SCC.
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Affiliation(s)
- T Ghadban
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - J T Miro
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - F Trump
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - T Y Tsui
- Department of Surgery, University Medical College Rostock, Rostock, Germany
| | - F G Uzunoglu
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - M Reeh
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - F Gebauer
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - K Bachmann
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - U Wellner
- Clinic for Surgery, University Clinic of Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - V Kalinin
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - K Pantel
- Department of Tumor Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - J R Izbicki
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Y K Vashist
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
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Yang H, Wang Q, Li S. MicroRNA-218 promotes high glucose-induced apoptosis in podocytes by targeting heme oxygenase-1. Biochem Biophys Res Commun 2016; 471:582-8. [PMID: 26876575 DOI: 10.1016/j.bbrc.2016.02.028] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Accepted: 02/08/2016] [Indexed: 02/07/2023]
Abstract
Emerging evidence has demonstrated that microRNAs (miRNAs) play a mediatory role in the pathogenesis of diabetic nephropathy. In this study, we found that miR-218 was upregulated in high glucose (HG) treated podocytes, which are essential components of the glomerular filtration barrier and a major prognostic determinant in diabetic nephropathy. Additionally, up-regulation of miR-218 was accompanied by an increased rate of podocyte death and down-regulation in the level of nephrin, a key marker of podocytes. However, inhibition of miR-218 exerted the opposite effect. In addition, the dual-luciferase reporter assay showed that miR-218 directly targeted the 3'-untranslated region of heme oxygenase-1 (HO-1), and further study confirmed an increase of HO-1 in HG-treated podocytes transfected with anti-miR-218. Knockdown of HO-1 blocked the anti-apoptotic effect of anti-miR-218. Furthermore, inhibition of miR-218 was associated with decreased expression of the known pro-apoptotic molecule p38-mitogen-activated protein kinase (p38-MAPK) activation. Following preconditioning with SB203580, an inhibitor of p38-MAPK, the stimulatory effect of HG on podocyte apoptosis was strikingly ameliorated. These findings suggested that miR-218 accelerated HG-induced podocyte apoptosis through directly down-regulating HO-1 and facilitating p38-MAPK activation.
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Affiliation(s)
- Haibo Yang
- Department of Nephrology, Xi'an Central Hospital, Xi'an, 710003, China.
| | - Qingjun Wang
- Department of Nephrology, Tongchuan Mining Central Hospital, Tongchuan, 727000, China
| | - Sutong Li
- Department of Nephrology, Xi'an Central Hospital, Xi'an, 710003, China
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Huang D, Wang C, Meng Q, Liu Z, Huo X, Sun H, Yang S, Ma X, Peng J, Liu K. Protective effects of formononetin against rhabdomyolysis-induced acute kidney injury by upregulating Nrf2 in vivo and in vitro. RSC Adv 2016. [DOI: 10.1039/c6ra20339f] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Acute kidney injury (AKI) is a well-known organ injury frequently observed after rhabdomyolysis (RM).
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31
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Gong X, Ivanov VN, Hei TK. 2,3,5,6-Tetramethylpyrazine (TMP) down-regulated arsenic-induced heme oxygenase-1 and ARS2 expression by inhibiting Nrf2, NF-κB, AP-1 and MAPK pathways in human proximal tubular cells. Arch Toxicol 2015; 90:2187-2200. [PMID: 26404762 DOI: 10.1007/s00204-015-1600-z] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Accepted: 09/10/2015] [Indexed: 11/24/2022]
Abstract
Our recent study demonstrated that sodium arsenite at a clinically relevant dose induced nephrotoxicity in human renal proximal tubular epithelial cell line HK-2, which could be inhibited by natural product 2,3,5,6-tetramethylpyrazine (TMP) with antioxidant activity. The present study demonstrated that arsenic exposure resulted in protein and enzymatic induction of heme oxygenase-1 (HO-1) in dose- and time-dependent manners in HK-2 cells. Blocking HO-1 enzymatic activity by zinc protoporphyrin (ZnPP) augmented arsenic-induced apoptosis, ROS production and mitochondrial dysfunction, suggesting a critical role for HO-1 as a renal protectant in this procession. On the other hand, TMP, upstream of HO-1, inhibited arsenic-induced ROS production and ROS-dependent HO-1 expression. TMP also prevented mitochondria dysfunction and suppressed activation of the intrinsic apoptotic pathway in HK-2 cells. Our results revealed that the regulation of arsenic-induced HO-1 expression was performed through multiple ROS-dependent signal pathways and the corresponding transcription factors, including p38 MAPK and JNK (but not ERK), AP-1, Nrf2 and NF-κB. TMP inhibited arsenic-induced activations of JNK, p38 MAPK, ERK, AP-1 and Nrf2 and block HO-1 protein expression. The present study, furthermore, demonstrated arsenic-induced expression of arsenic response protein 2 (ARS2) that was regulated by p38 MAPK, ERK and NF-κB. To our knowledge, this is the first report showing that ARS2 involved in arsenic-induced nephrotoxicity, while TMP pretreatment prevented such an up-regulation of ARS2 in HK-2 cells. Given ARS2 and HO-1 sharing the similar regulation mechanism, we speculated that ARS2 might also mediate cell survival in this procession. In summary, our study highlighted a role of HO-1 in the protection against arsenic-induced cytotoxicity downstream from the primary targets of TMP and further indicated that TMP may be used as a potential therapeutic agent in the treatment of arsenic-induced nephrotoxicity.
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Affiliation(s)
- Xuezhong Gong
- Department of Nephrology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 274 Zhijiang Middle Road, Shanghai, 200071, China. .,Center for Radiological Research, College of Physician and Surgeons, Columbia University, 630 West 168th Street, New York, NY, 10032, USA.
| | - Vladimir N Ivanov
- Center for Radiological Research, College of Physician and Surgeons, Columbia University, 630 West 168th Street, New York, NY, 10032, USA
| | - Tom K Hei
- Center for Radiological Research, College of Physician and Surgeons, Columbia University, 630 West 168th Street, New York, NY, 10032, USA.,Department of Radiation Oncology, College of Physician and Surgeons, Columbia University, 630 West 168th Street, New York, NY, 10032, USA
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32
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Luchi WM, Shimizu MHM, Canale D, Gois PHF, de Bragança AC, Volpini RA, Girardi ACC, Seguro AC. Vitamin D deficiency is a potential risk factor for contrast-induced nephropathy. Am J Physiol Regul Integr Comp Physiol 2015; 309:R215-22. [PMID: 26041113 DOI: 10.1152/ajpregu.00526.2014] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Accepted: 05/28/2015] [Indexed: 11/22/2022]
Abstract
Vitamin D deficiency (VDD) is widespread in the general population. Iodinated (IC) or gadolinium-based contrast media (Gd) may decrease renal function in high-risk patients. This study tested the hypothesis that VDD is a predisposing factor for IC- or Gd-induced nephrotoxicity. To this end, male Wistar rats were fed standard (SD) or vitamin D-free diet for 30 days. IC (diatrizoate), Gd (gadoterate meglumine), or 0.9% saline was then administered intravenously and six groups were obtained as the following: SD plus 0.9% saline (Sham-SD), SD plus IC (SD+IC), SD plus Gd (SD+Gd), vitamin D-free diet for 30 days plus 0.9% saline (Sham-VDD30), vitamin D-free diet for 30 days plus IC (VDD30+IC), and vitamin D-free diet for 30 days plus Gd (VDD30+Gd). Renal hemodynamics, redox status, histological, and immunoblot analysis were evaluated 48 h after contrast media (CM) or vehicle infusion. VDD rats showed lower levels of total serum 25-hydroxyvitamin D [25(OH)D], similar plasma calcium and phosphorus concentration, and higher renal renin and angiotensinogen protein expression compared with rats fed SD. IC or Gd infusion did not affect inulin clearance-based estimated glomerular filtration rate (GFR) in rats fed SD but significantly decreased GFR in rats fed vitamin D-free diet. Both CM increased renal angiotensinogen, and the interaction between VDD and CM triggered lower renal endothelial nitric oxide synthase abundance and higher renal thiobarbituric acid reactive substances-to-glutathione ratio (an index of oxidative stress) on VDD30+IC and VDD30+Gd groups. Conversely, worsening of renal function was not accompanied by abnormalities on kidney structure. Additionally, rats on a VDD for 60 days displayed a greater fall in GFR after CM administration. Collectively, our findings suggest that VDD is a potential risk factor for IC- or Gd-induced nephrotoxicity most likely due to imbalance in intrarenal vasoactive substances and oxidative stress.
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Affiliation(s)
- Weverton M Luchi
- Medical Investigation Laboratory 12, Division of Nephrology, University of São Paulo Medical School, São Paulo, Brazil; Division of Nephrology, Federal University of Espírito Santo, Vitória, Brazil; and
| | - Maria Heloisa M Shimizu
- Medical Investigation Laboratory 12, Division of Nephrology, University of São Paulo Medical School, São Paulo, Brazil
| | - Daniele Canale
- Medical Investigation Laboratory 12, Division of Nephrology, University of São Paulo Medical School, São Paulo, Brazil
| | - Pedro Henrique F Gois
- Medical Investigation Laboratory 12, Division of Nephrology, University of São Paulo Medical School, São Paulo, Brazil
| | - Ana Carolina de Bragança
- Medical Investigation Laboratory 12, Division of Nephrology, University of São Paulo Medical School, São Paulo, Brazil
| | - Rildo A Volpini
- Medical Investigation Laboratory 12, Division of Nephrology, University of São Paulo Medical School, São Paulo, Brazil
| | - Adriana C C Girardi
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of São Paulo Medical School, São Paulo, Brazil
| | - Antonio C Seguro
- Medical Investigation Laboratory 12, Division of Nephrology, University of São Paulo Medical School, São Paulo, Brazil
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Motovali-Bashi M, Hamidy M. Association between GT-repeat polymorphism at heme oxygenase-1 gene promoter and gastric cancer and metastasis. Tumour Biol 2015; 36:4757-62. [PMID: 25956277 DOI: 10.1007/s13277-015-3125-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Accepted: 01/19/2015] [Indexed: 11/28/2022] Open
Abstract
HO-1 gene encodes heme oxygenase-1 enzyme that catalyzes the oxidation of heme to carbon monoxide (CO). It has also been suggested that cells could be protected by the enzyme against stress. A (GT) n dinucleotide repeat at HO-1 promoter is a polymorphic region and modulates gene transcription and associated with some of diseases. In this study, length of polymorphism GT tandem repeat has been determined and classified into two alleles short (≤28) and long (≥29). In present study, association between GT-repeat polymorphism at heme oxygenase-1 gene promoter and increased risk of gastric cancer and metastasis was investigated. Blood samples from 100 control individuals and 60 gastric cancer cases had taken. Genotypic frequencies of (GT) n repeat for samples were determined using PCR technique and polyacrylamide PAGE electrophoresis. At final, higher frequency alleles were sequenced. Our results show that S-allele is significantly higher in cases in comparison with control groups (p = 0/000, odds ratio (OR) = 4/154). It has been shown that individuals with S/S and S/L genotypes are at high risk of having gastric cancer (p = 0/000, OR = 3/789). Statistic data show association between SS genotype and risk of gastric cancer metastasis (p = 0.017, OR = 3.889). But, there is no significant association between clinicopathological characteristics of the patients and risk of gastric cancer metastasis (p > 0.05). Significant association was found between short allele (SS + SL genotypes) and risk of gastric cancer, and also strong association was found between SS genotype and risk of gastric cancer metastasis.
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Affiliation(s)
- M Motovali-Bashi
- Genetic Division, Biology Department, Faculty of Sciences, University of Isfahan, Isfahan, Islamic Republic of Iran,
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Conde de la Rosa L, Vrenken TE, Buist-Homan M, Faber KN, Moshage H. Metformin protects primary rat hepatocytes against oxidative stress-induced apoptosis. Pharmacol Res Perspect 2015; 3:e00125. [PMID: 26038701 PMCID: PMC4448984 DOI: 10.1002/prp2.125] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Revised: 01/05/2015] [Accepted: 01/14/2015] [Indexed: 12/21/2022] Open
Abstract
The majority of chronic liver diseases are accompanied by oxidative stress, which induces apoptosis in hepatocytes and liver injury. Recent studies suggest that oxidative stress and insulin resistance are important in the pathogenesis of nonalcoholic fatty liver disease (NAFLD) and the pathophysiology of diabetes complications. Metformin has been shown to be hepatoprotective in the insulin-resistant and leptin-deficient ob/ob mouse model of NAFLD. However, the mechanism involved in the protective effects of metformin has not been elucidated yet. Therefore, we investigated the protective effect of metformin against oxidative stress-induced apoptosis. Primary rat hepatocytes were exposed to the oxidative stress-generating compound menadione in the presence and absence of metformin. Apoptosis was determined by measuring caspase activity and poly(ADP-ribose) polymerase (PARP)-cleavage, and necrosis was measured by Sytox Green nuclear staining. We demonstrate that (1) Metformin inhibits menadione-induced caspase-9,-6,-3 activation and PARP-cleavage in a concentration-dependent manner. (2) Metformin increases menadione-induced heme oxygenase-1 (HO-1) expression and inhibits c-Jun N-terminal kinase (JNK)-phosphorylation. (3) Metformin does not induce necrosis in primary hepatocytes. Metformin protects hepatocytes against oxidative stress-induced caspase activation, PARP-cleavage and apoptosis. The anti-apoptotic effect of metformin is in part dependent on HO-1 and bcl-xl induction and inhibition of JNK activation and independent of insulin signaling. Our results elucidate novel protective mechanisms of metformin and indicate that metformin could be investigated as a novel therapeutic agent for the treatment of oxidative stress-related liver diseases.
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Affiliation(s)
- Laura Conde de la Rosa
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen Groningen, The Netherlands
| | - Titia E Vrenken
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen Groningen, The Netherlands
| | - Manon Buist-Homan
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen Groningen, The Netherlands
| | - Klaas Nico Faber
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen Groningen, The Netherlands
| | - Han Moshage
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen Groningen, The Netherlands
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Sindhu G, Nishanthi E, Sharmila R. Nephroprotective effect of vanillic acid against cisplatin induced nephrotoxicity in wistar rats: a biochemical and molecular study. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2015; 39:392-404. [PMID: 25561092 DOI: 10.1016/j.etap.2014.12.008] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2014] [Revised: 12/10/2014] [Accepted: 12/14/2014] [Indexed: 05/22/2023]
Abstract
Cisplatin is one of the extensively used anticancer drugs against various cancers. Dosage dependent nephrotoxicity is the major problem in cisplatin chemotherapy. Cisplatin induced nephrotoxicity results in the depletion of renal antioxidant defence system. Our present study is aimed to investigate the nephroprotective effect of vanilic acid to against cisplatin induced nephrotoxicity in male wistar rats. Elevated levels of serum creatinine, blood urea nitrogen, serum uric acid and reduced antioxidant status were observed as indicatives of nephrotoxicity in cisplatin (7mg/kg bw) alone administered rats. Animals which are pre-treated with vanillic acid (50mg/kg and 100mg/kg) restored the elevated levels of renal function markers and reduced antioxidant status to near normalcy when compared to cisplatin alone treated animals. Cisplatin induced lipid peroxidation was markedly reduced by oral administration of vanillic acid at a high dose. The findings in the present study suggest that vanillic acid is a potential antioxidant that reduce cisplatin nephrotoxicity and can be as a combinatorial regimen in cancer chemotherapy.
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Affiliation(s)
- Ganapathy Sindhu
- Department of Biochemistry and Biotechnology, Annamalai University, Annamalai Nagar 608 002, India.
| | - Emayavaramban Nishanthi
- Department of Biochemistry and Biotechnology, Annamalai University, Annamalai Nagar 608 002, India
| | - Ramalingam Sharmila
- Department of Biochemistry and Biotechnology, Annamalai University, Annamalai Nagar 608 002, India
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Wan X, Huang WJ, Chen W, Xie HG, Wei P, Chen X, Cao CC. IL-10 deficiency increases renal ischemia-reperfusion injury. Nephron Clin Pract 2014; 128:37-45. [PMID: 25376659 DOI: 10.1159/000366130] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2014] [Accepted: 07/22/2014] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Renal ischemia-reperfusion (IR) injury is a frequent cause of acute kidney injury, which results in high morbidity and mortality. Inflammation is an important factor that is involved in kidney repair after renal IR injury. IL-10 is a potent anti-inflammatory cytokine that inhibits inflammatory pathways, but the role of IL-10 in repairing renal IR injury is not known. Here, we investigated the role of IL-10 in kidney repair after renal IR injury. METHODS We used an IL-10(-/-) mouse model and examined the serologic and histomorphology of kidney after IR injury. We also measured ki67, TNF-α, IL-6, and macrophages with immunohistochemistry or Western blotting. RESULTS There was a greater increase in serum creatinine in IL-10(-/-) mice than in wild-type (WT) mice. And compared with WT mice, IL-10(-/-) mice had increased histologic renal injury and decreased proliferation. Moreover, the expression of TNF-α, IL-6 and macrophages was clearly increased in IL-10(-/-) mice compared with the WT mice. CONCLUSION These data reveal an important role for IL-10 in the improvement of renal IR injury, acting through suppression of inflammatory mediators, and that IL-10 would be a crucial target for the treatment of IR injury.
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Affiliation(s)
- Xin Wan
- Division of Nephrology, Department of Medicine, Nanjing, China
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Magnolin protects against contrast-induced nephropathy in rats via antioxidation and antiapoptosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2014; 2014:203458. [PMID: 25400863 PMCID: PMC4221873 DOI: 10.1155/2014/203458] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2014] [Accepted: 10/01/2014] [Indexed: 12/17/2022]
Abstract
Background. Magnolin is the major active ingredient of the herb Magnolia fargesii which has anti-inflammatory and antioxidative effects. Oxidative stress and apoptosis are involved in the pathogenesis of contrast-induced nephropathy (CIN). We hypothesize that Magnolin could protect against CIN through antioxidative and antiapoptotic properties. Methods. To test whether Magnolin could attenuate CIN, oxidative stress and apoptosis, in vivo and in vitro, we utilized a rat model of ioversol-induced CIN and a cell model of oxidative stress in which HK2 cells were treated with H2O2. Rats were assigned to 4 groups (n = 6 per group): control group, ioversol group (ioversol-induced CIN), vehicle group (CIN rats pretreated with vehicle), and Magnolin group (CIN rats pretreated with 1 mg/kg Magnolin). Results. The results showed that magnolin ameliorated the renal tubular necrosis, apoptosis, and the deterioration of renal function (P < 0.05). Furthermore, Magnolin reduced the renal oxidative stress, suppressed caspase-3 activity, and increased Bcl-2 expression in vivo and in vitro. Conclusion. Magnolin might protect CIN in rats through antioxidation and antiapoptosis.
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Wang L, Zhang Y, Yuan L, Liu C, Fu L, Mei C. Cyclin-dependent kinase inhibitor p18INK4c is involved in protective roles of heme oxygenase-1 in cisplatin-induced acute kidney injury. Int J Mol Med 2014; 34:911-7. [PMID: 24993528 DOI: 10.3892/ijmm.2014.1828] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2014] [Accepted: 06/26/2014] [Indexed: 11/05/2022] Open
Abstract
Experimental studies have demonstrated the protective effect of heme oxygenase (HO)-1 and cyclin‑dependent kinase inhibitors (CDKIs) in acute kidney injury (AKI), and it has been documented that some of the protective effect of HO-1 is mediated by CDKIs. However, the role of p18INK4c (p18), an inhibitor of CDK4 (INK4), which is a family member of CDKIs, has not been well characterized in kidney diseases. The aim of the present study was to demonstrate p18 protection from the relationship between p18 and HO-1 in cisplatin-induced AKI. Upregulation of p18 and HO-1 was demonstrated by quantitative polymerase chain reaction (qPCR) and western blotting in cisplatin-induced AKI in vitro and in vivo. The effect of HO-1 on p18 was determined by western blotting using the inducer and inhibitor of HO-1 in vitro. The potential effect of p18 on HO-1 in cisplatin‑induced AKI was examined by p18 gene knockout mice in vivo. The results showed that p18 and HO-1 were upregulated in cisplatin‑induced AKI in vitro and in vivo. Deletion of the p18 gene did not affect the basal and inducible expression of HO-1 in the AKI animals, while hemin (10 µM) and znpp (10 µM), the inducer and inhibitor, respectively, of HO-1, regulated p18 expression when incubated with the cells. The results indicated that p18 may play protective roles and may be associated with or partially account for the cytoprotective effects of HO-1 in cisplatin-induced AKI.
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Affiliation(s)
- Liang Wang
- Department of Urology, The Second Affiliated Hospital of Dalian Medical University, Dalian 116021, P.R. China
| | - Yi Zhang
- Department of Nephrology, Changzheng Hospital, Shanghai 200003, P.R. China
| | - Li Yuan
- Department of Nephrology, Changzheng Hospital, Shanghai 200003, P.R. China
| | - Chunyan Liu
- Department of Urology, The Second Affiliated Hospital of Dalian Medical University, Dalian 116021, P.R. China
| | - Lili Fu
- Department of Nephrology, Changzheng Hospital, Shanghai 200003, P.R. China
| | - Changlin Mei
- Department of Nephrology, Changzheng Hospital, Shanghai 200003, P.R. China
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Michael A, Faga T, Pisani A, Riccio E, Bramanti P, Sabbatini M, Navarra M, Andreucci M. Molecular mechanisms of renal cellular nephrotoxicity due to radiocontrast media. BIOMED RESEARCH INTERNATIONAL 2014; 2014:249810. [PMID: 24745009 PMCID: PMC3976916 DOI: 10.1155/2014/249810] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Revised: 12/09/2013] [Accepted: 12/24/2013] [Indexed: 11/29/2022]
Abstract
Modern iodinated radiocontrast media are all based on the triiodinated benzene ring with various chemical modifications having been made over the last few decades in order to reduce their toxicity. However, CIN remains a problem especially in patients with pre-existing renal failure. In vitro studies have demonstrated that all RCM are cytotoxic. RCM administration in vivo may lead to a decrease in renal medullary oxygenation leading to the generation of reactive oxygen species that may cause harmful effects to renal tissue. In addition, endothelin and adenosine release and decreased nitric oxide levels may worsen the hypoxic milieu. In vitro cell culture studies together with sparse in vivo rat model data have shown that important cell signalling pathways are affected by RCM. In particular, the prosurvival and proproliferative kinases Akt and ERK1/2 have been shown to be dephosphorylated (deactivated), whilst proinflammatory/cell death molecules such as the p38 and JNK kinases and the transcription factor NF- κ B may be activated by RCM, accompanied by activation of apoptotic mediators such as caspases. Increasing our knowledge of the mechanisms of RCM action may help to develop future therapies for CIN.
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Affiliation(s)
- Ashour Michael
- Department of Health Sciences, Nephrology Unit, “Magna Graecia” University, I-88100 Catanzaro, Italy
| | - Teresa Faga
- Department of Health Sciences, Nephrology Unit, “Magna Graecia” University, I-88100 Catanzaro, Italy
| | - Antonio Pisani
- Department of Nephrology, “Federico II” University, I-80131 Naples, Italy
| | - Eleonora Riccio
- Department of Nephrology, “Federico II” University, I-80131 Naples, Italy
| | | | - Massimo Sabbatini
- Department of Nephrology, “Federico II” University, I-80131 Naples, Italy
| | - Michele Navarra
- Department of Drug Sciences and Health Products, University of Messina, I-98168 Messina, Italy
| | - Michele Andreucci
- Department of Health Sciences, Nephrology Unit, “Magna Graecia” University, I-88100 Catanzaro, Italy
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Saito K, Mori S, Date F, Ono M. Epigallocatechin gallate inhibits oxidative stress-induced DNA damage and apoptosis in MRL-Faslprmice with autoimmune sialadenitis via upregulation of heme oxygenase-1 and Bcl-2. Autoimmunity 2014; 47:13-22. [DOI: 10.3109/08916934.2013.850079] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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41
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Role of reactive oxygen species in pathogenesis of radiocontrast-induced nephropathy. BIOMED RESEARCH INTERNATIONAL 2013; 2013:868321. [PMID: 24459673 PMCID: PMC3891610 DOI: 10.1155/2013/868321] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Accepted: 12/09/2013] [Indexed: 12/20/2022]
Abstract
In vitro and in vivo studies have demonstrated enhanced hypoxia and formation of reactive oxygen species (ROS) in the kidney following the administration of iodinated contrast media, which play a relevant role in the development of contrast media-induced nephropathy. Many studies indeed support this possibility, suggesting a protective effect of ROS scavenging or reduced ROS formation with the administration of N-acetylcysteine and bicarbonate infusion, respectively. Furthermore, most risk factors, predisposing to contrast-induced nephropathy, are prone to enhanced renal parenchymal hypoxia and ROS formation. In this review, the association of renal hypoxia and ROS-mediated injury is outlined. Generated during contrast-induced renal parenchymal hypoxia, ROS may exert direct tubular and vascular endothelial injury and might further intensify renal parenchymal hypoxia by virtue of endothelial dysfunction and dysregulation of tubular transport. Preventive strategies conceivably should include inhibition of ROS generation or ROS scavenging.
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Török Z, Crul T, Maresca B, Schütz GJ, Viana F, Dindia L, Piotto S, Brameshuber M, Balogh G, Péter M, Porta A, Trapani A, Gombos I, Glatz A, Gungor B, Peksel B, Vigh L, Csoboz B, Horváth I, Vijayan MM, Hooper PL, Harwood JL, Vigh L. Plasma membranes as heat stress sensors: from lipid-controlled molecular switches to therapeutic applications. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2013; 1838:1594-618. [PMID: 24374314 DOI: 10.1016/j.bbamem.2013.12.015] [Citation(s) in RCA: 94] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2013] [Revised: 12/09/2013] [Accepted: 12/18/2013] [Indexed: 12/31/2022]
Abstract
The classic heat shock (stress) response (HSR) was originally attributed to protein denaturation. However, heat shock protein (Hsp) induction occurs in many circumstances where no protein denaturation is observed. Recently considerable evidence has been accumulated to the favor of the "Membrane Sensor Hypothesis" which predicts that the level of Hsps can be changed as a result of alterations to the plasma membrane. This is especially pertinent to mild heat shock, such as occurs in fever. In this condition the sensitivity of many transient receptor potential (TRP) channels is particularly notable. Small temperature stresses can modulate TRP gating significantly and this is influenced by lipids. In addition, stress hormones often modify plasma membrane structure and function and thus initiate a cascade of events, which may affect HSR. The major transactivator heat shock factor-1 integrates the signals originating from the plasma membrane and orchestrates the expression of individual heat shock genes. We describe how these observations can be tested at the molecular level, for example, with the use of membrane perturbers and through computational calculations. An important fact which now starts to be addressed is that membranes are not homogeneous nor do all cells react identically. Lipidomics and cell profiling are beginning to address the above two points. Finally, we observe that a deregulated HSR is found in a large number of important diseases where more detailed knowledge of the molecular mechanisms involved may offer timely opportunities for clinical interventions and new, innovative drug treatments. This article is part of a Special Issue entitled: Membrane Structure and Function: Relevance in the Cell's Physiology, Pathology and Therapy.
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Affiliation(s)
- Zsolt Török
- Institute of Biochemistry, Biological Research Centre of the Hung. Acad. Sci., Szeged H-6726, Hungary.
| | - Tim Crul
- Institute of Biochemistry, Biological Research Centre of the Hung. Acad. Sci., Szeged H-6726, Hungary
| | - Bruno Maresca
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Salerno, Italy
| | - Gerhard J Schütz
- Institute of Applied Physics, Vienna University of Technology, Wiedner Hauptstrasse 8-10, 1040 Vienna, Austria
| | - Felix Viana
- Instituto de Neurociencias de Alicante, Universidad Miguel Hernández-CSIC, 03550 San Juan de Alicante, Spain
| | - Laura Dindia
- Department of Biology, University of Waterloo, Waterloo, Ontario, Canada
| | - Stefano Piotto
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Salerno, Italy
| | - Mario Brameshuber
- Institute of Applied Physics, Vienna University of Technology, Wiedner Hauptstrasse 8-10, 1040 Vienna, Austria
| | - Gábor Balogh
- Institute of Biochemistry, Biological Research Centre of the Hung. Acad. Sci., Szeged H-6726, Hungary
| | - Mária Péter
- Institute of Biochemistry, Biological Research Centre of the Hung. Acad. Sci., Szeged H-6726, Hungary
| | - Amalia Porta
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Salerno, Italy
| | - Alfonso Trapani
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Salerno, Italy
| | - Imre Gombos
- Institute of Biochemistry, Biological Research Centre of the Hung. Acad. Sci., Szeged H-6726, Hungary
| | - Attila Glatz
- Institute of Biochemistry, Biological Research Centre of the Hung. Acad. Sci., Szeged H-6726, Hungary
| | - Burcin Gungor
- Institute of Biochemistry, Biological Research Centre of the Hung. Acad. Sci., Szeged H-6726, Hungary
| | - Begüm Peksel
- Institute of Biochemistry, Biological Research Centre of the Hung. Acad. Sci., Szeged H-6726, Hungary
| | - László Vigh
- Institute of Biochemistry, Biological Research Centre of the Hung. Acad. Sci., Szeged H-6726, Hungary
| | - Bálint Csoboz
- Institute of Biochemistry, Biological Research Centre of the Hung. Acad. Sci., Szeged H-6726, Hungary
| | - Ibolya Horváth
- Institute of Biochemistry, Biological Research Centre of the Hung. Acad. Sci., Szeged H-6726, Hungary
| | - Mathilakath M Vijayan
- Department of Biology, University of Waterloo, Waterloo, Ontario, Canada; Department of Biological Sciences, University of Calgary, Calgary, Alberta, Canada
| | - Phillip L Hooper
- Division of Endocrinology, Metabolism and Diabetes, Department of Medicine, University of Colorado Medical School, Anschutz Medical Campus, Aurora, CO 80045, USA
| | - John L Harwood
- School of Biosciences, Cardiff University, Cardiff CF10 3AX, Wales, UK
| | - László Vigh
- Institute of Biochemistry, Biological Research Centre of the Hung. Acad. Sci., Szeged H-6726, Hungary.
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Chang CF, Liu XM, Peyton KJ, Durante W. Heme oxygenase-1 counteracts contrast media-induced endothelial cell dysfunction. Biochem Pharmacol 2013; 87:303-11. [PMID: 24239896 DOI: 10.1016/j.bcp.2013.11.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Revised: 11/01/2013] [Accepted: 11/05/2013] [Indexed: 02/07/2023]
Abstract
Endothelial cell (EC) dysfunction is involved in the pathogenesis of contrast-induced acute kidney injury, which is a major adverse event following coronary angiography. In this study, we evaluated the effect of contrast media (CM) on human EC proliferation, migration, and inflammation, and determined if heme oxygenase-1 (HO-1) influences the biological actions of CM. We found that three distinct CM, including high-osmolar (diatrizoate), low-osmolar (iopamidol), and iso-osmolar (iodixanol), stimulated the expression of HO-1 protein and mRNA. The induction of HO-1 was associated with an increase in NF-E2-related factor-2 (Nrf2) activity and reactive oxygen species (ROS). CM also stimulated HO-1 promoter activity and this was prevented by mutating the antioxidant responsive element or by overexpressing dominant-negative Nrf2. In addition, the CM-mediated induction of HO-1 and activation of Nrf2 was abolished by acetylcysteine. Finally, CM inhibited the proliferation and migration of ECs and stimulated the expression of intercellular adhesion molecule-1 and the adhesion of monocytes on ECs. Inhibition or silencing of HO-1 exacerbated the anti-proliferative and inflammatory actions of CM but had no effect on the anti-migratory effect. Thus, induction of HO-1 via the ROS-Nrf2 pathway counteracts the anti-proliferative and inflammatory actions of CM. Therapeutic approaches targeting HO-1 may provide a novel approach in preventing CM-induced endothelial and organ dysfunction.
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Affiliation(s)
- Chao-Fu Chang
- Institute of Clinical Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan; Division of Nephrology, Department of Medicine, Taipei City Hospital, Heping Fuyou Branch, Taipei, Taiwan
| | - Xiao-Ming Liu
- Department of Medical Pharmacology and Physiology, School of Medicine, University of Missouri-Columbia, Columbia, MO, USA
| | - Kelly J Peyton
- Department of Medical Pharmacology and Physiology, School of Medicine, University of Missouri-Columbia, Columbia, MO, USA
| | - William Durante
- Department of Medical Pharmacology and Physiology, School of Medicine, University of Missouri-Columbia, Columbia, MO, USA.
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Oh SW, Lee ES, Kim S, Na KY, Chae DW, Kim S, Chin HJ. Bilirubin attenuates the renal tubular injury by inhibition of oxidative stress and apoptosis. BMC Nephrol 2013; 14:105. [PMID: 23683031 PMCID: PMC3681641 DOI: 10.1186/1471-2369-14-105] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2012] [Accepted: 04/24/2013] [Indexed: 02/07/2023] Open
Abstract
Background Bilirubin (BIL) has been recognized as an endogenous antioxidant that shows a protective effect for cardiorenal diseases. We investigated whether administration of BIL had a protective effect on cyclosporine (CsA)-induced nephropathy (CIN), and examined the effects of BIL on the oxidative stress and apoptosis. Methods BIL was pretreated intraperitoneally three times for a week (60 mg/kg), and CsA was injected for 4 weeks (15 mg/kg/day, subcutaneous). Proximal tubular epithelial (HK2) cells were pretreated with 0.1mg/ml of BIL for 24 hours, and then treated with 20 μM of CsA for another 24 hours. Results CsA induced marked increases in urine kidney injury molecule-1 (Kim-1) and neutrophil gelatinase-associated lipocalin (NGAL) concentrations (P < 0.05). BIL reduced urine Kim-1 in CIN (P < 0.05), while urine NGAL exhibited a decreasing tendency. In CsA-treated rat kidneys, the protein expression of NOX4 and p22phox was reduced by BIL (P < 0.05). BIL ameliorated CsA-induced arteriolopathy, tubulointerstitial fibrosis, tubular injury, and the apoptosis examined by TUNEL assay (P < 0.01). In HK2 cells, BIL reduced intracellular reactive oxygen species in CsA-treated cells. CsA increased the protein expression of bax, cleaved caspase-9, caspase-3 and the activity of caspase-3; however, the anti-apoptotic bcl-2 protein was reduced. These changes were recovered by BIL (P < 0.05). Conclusions The direct administration of BIL protected against CsA-induced tubular injury via inhibition of oxidative stress and apoptosis.
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Affiliation(s)
- Se Won Oh
- Department of Internal Medicine, Eulji General Hospital, Eulji University College of Medicine, Seoul, Korea
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Taye A, Ibrahim BM. Activation of renal haeme oxygenase-1 alleviates gentamicin-induced acute nephrotoxicity in rats. J Pharm Pharmacol 2013; 65:995-1004. [DOI: 10.1111/jphp.12067] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2012] [Accepted: 03/18/2013] [Indexed: 11/28/2022]
Abstract
Abstract
Objectives
This study aimed to investigate whether activation of haeme oxygenase (HO)-1 enzyme by haemin would have beneficial effects on the functional and histological outcome against gentamicin-induced renal damage in rats and sought to elucidate the underlying mechanisms of the therapeutic action.
Methods
Nephrotoxicity was induced by injection of gentamicin (80 mg/kg, i.p.) once daily for seven days. Haemin (50 μmol/kg, i.p.) was given to the control and gentamicin-treated rats in the presence or absence of a HO-1 inhibitor, zinc protoporphyrin IX (ZnPP, 50 μmol/kg per day, i.p.).
Key findings
Haemin treatment prevented gentamicin-induced elevated serum creatinine, urinary protein levels and ameliorated the impaired creatinine clearance. Haemin compensated the deficits in antioxidant enzyme activity and attenuated lipid peroxidation along with decreased reactive oxygen species (ROS) production in renal tissues due to gentamicin. Moreover, haemin pre-administration evoked increased renal HO-1 activity. Additionally, haemin significantly attenuated elevated renal tumour necrosis factor-α (TNF-α), nuclear factor-kappaB (NF-κB) levels and caspase-3 activity alongside ameliorating glomerular pathology. These therapeutic effects were abolished by ZnPP pretreatment.
Conclusions
Here is the first evidence demonstrating the protective effect of HO-1 against gentamicin-associated nephrotoxicity. Suppression of oxidative/inflammatory insults alongside the corresponding decline of apoptosis were presumably responsible for this renoprotection.
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Affiliation(s)
- Ashraf Taye
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Badr Mostafa Ibrahim
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Minia University, Minia, Egypt
- Department of Pharmacology and Toxicology, Brody School of Medicine, East Carolina University, Greenville, NC, USA
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Chang CF, Lu TM, Yang WC, Lin SJ, Lin CC, Chung MY. Gene polymorphisms of interleukin-10 and tumor necrosis factor-α are associated with contrast-induced nephropathy. Am J Nephrol 2013; 37:110-7. [PMID: 23363891 DOI: 10.1159/000346528] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2012] [Accepted: 12/17/2012] [Indexed: 11/19/2022]
Abstract
BACKGROUND/AIMS Contrast-induced nephropathy (CIN) is the third most common cause of hospital-acquired acute renal failure. However, the pathogenesis of CIN remains unclear. This study evaluated the role of anti-inflammatory cytokine interleukin-10 (IL-10) and pro-inflammatory cytokine tumor necrosis factor-α (TNF-α) gene polymorphisms as CIN susceptibility markers after percutaneous coronary intervention (PCI). METHODS Four IL-10 tag SNPs (rs1554286, rs3021094, rs3790622, rs1800896) and three TNF-α tag SNPs (rs1799964, rs1800630, rs1800629) were analyzed by MALDI-TOF mass spectrometry in 53 CIN patients and 455 control subjects. Serum IL-10 and TNF-α were detected using ELISA. RESULTS When compared to controls, the CIN patients showed increased frequencies of CC (rs1554286) and AG+GG (rs1800896) genotypes in IL-10 and GA+AA (rs1800629) genotype in TNF-α (OR = 2.24 (1.13-4.44), p = 0.018; OR = 2.61 (1.30-5.26), p = 0.005, and OR = 2.11 (1.08-4.09), p = 0.025, respectively). Baseline serum IL-10 levels in CIN patients were significantly lower (1.02 ± 1.14 vs. 2.78 ± 4.73 pg/ml, p = 0.008). Patients with CIN had a higher rate of decline in renal function than those without CIN (0.89 ± 1.67 vs. 0.30 ± 0.95 ml/min/1.73 m(2) per month, p = 0.002). Significantly higher rates of decline in creatinine clearance were noted in patients with TNF-α (rs1800629) GA+AA than GG genotype (0.88 ± 1.83 vs. 0.36 ± 0.70, p = 0.03), and with IL-10 (rs1800896) AG+GG than AA genotype (1.28 ± 2.14 vs. 0.33 ± 0.90, p < 0.001). CONCLUSIONS Gene polymorphisms of IL-10 and TNF-α are associated with CIN risk and long-term renal outcome after PCI. More prospective studies are needed to confirm our results.
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Affiliation(s)
- Chao-Fu Chang
- School of Medicine, Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
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Astragaloside IV prevents acute kidney injury in two rodent models by inhibiting oxidative stress and apoptosis pathways. Apoptosis 2013; 18:409-22. [DOI: 10.1007/s10495-013-0801-2] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Ptilovanciv EON, Fernandes GS, Teixeira LC, Reis LA, Pessoa EA, Convento MB, Simões MJ, Albertoni GA, Schor N, Borges FT. Heme oxygenase 1 improves glucoses metabolism and kidney histological alterations in diabetic rats. Diabetol Metab Syndr 2013; 5:3. [PMID: 23321053 PMCID: PMC3562196 DOI: 10.1186/1758-5996-5-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2012] [Accepted: 01/09/2013] [Indexed: 01/08/2023] Open
Abstract
One important concern in the treatment of diabetes is the maintenance of glycemic levels and the prevention of diabetic nephropathy. Inducible heme oxygenase 1 (HO-1) is a rate-limiting enzyme thought to have antioxidant and cytoprotective roles. The goal of the present study was to analyze the effect of HO-1 induction in chronically hyperglycemic rats. The hyperglycemic rats were divided into two groups: one group, called STZ, was given a single injection of streptozotocin; and the other group was given a single streptozotocin injection as well as daily injections of hemin, an HO-1 inducer, over 60 days (STZ + HEME). A group of normoglycemic, untreated rats was used as the control (CTL).Body weight, diuresis, serum glucose levels, microalbuminuria, creatinine clearance rate, urea levels, sodium excretion, and lipid peroxidation were analyzed. Histological alterations and immunohistochemistry for HO-1 and inducible nitric oxide synthase (iNOS) were assessed. After 60 days, the STZ group exhibited an increase in blood glucose, diuresis, urea, microalbuminuria, and sodium excretion. There was no weight gain, and there was a decrease in creatinine clearance in comparison to the CTL group. In the STZ + HEME group there was an improvement in the metabolic parameters and kidney function, a decrease in blood glucose, serum urea, and microalbuminuria, and an increase of creatinine clearance, in comparison to the STZ group.There was glomerulosclerosis, collagen deposition in the STZ rats and increase in iNOS and HO-1 expression. In the STZ + HEME group, the glomerulosclerosis and fibrosis was prevented and there was an increase in the expression of HO-1, but decrease in iNOS expression and lipid peroxidation. In conclusion, our data suggest that chronic induction of HO-1 reduces hyperglycemia, improves glucose metabolism and, at least in part, protects the renal tissue from hyperglycemic injury, possibly through the antioxidant activity of HO-1.
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Affiliation(s)
- Ellen ON Ptilovanciv
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Gabryelle S Fernandes
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Luciana C Teixeira
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Luciana A Reis
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Edson A Pessoa
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Marcia B Convento
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Manuel J Simões
- Morphology Department, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Guilherme A Albertoni
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Nestor Schor
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Fernanda T Borges
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
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Piskinpasa S, Altun B, Akoglu H, Yildirim T, Agbaht K, Yilmaz R, Peynircioglu B, Cil B, Aytemir K, Turgan C. An uninvestigated risk factor for contrast-induced nephropathy in chronic kidney disease: proteinuria. Ren Fail 2012; 35:62-5. [PMID: 23176376 DOI: 10.3109/0886022x.2012.741646] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Contrast-induced nephropathy (CIN) is one of the most frequent causes of acute renal failure in hospitalized patients with the incremental use of contrast media. We aimed to investigate whether proteinuria may act as a risk factor for CIN in patients with chronic kidney disease. METHODS Seventy hospitalized patients (37 men, 33 women) with chronic kidney disease, proteinuria, and/or estimated glomerular filtration rate (eGFR) of <60 mL/min/1.73 m2, who were exposed to contrast media were investigated prospectively. Thirty patients were diabetic. All patients received prophylaxis against CIN with acetylcysteine and 0.9% intravenous saline. CIN is defined as either a 25% higher increase in serum creatinine (sCr) from the baseline levels or a 0.5 mg/dL increase in sCr at 72 h after contrast media exposure. RESULTS CIN was detected in 26 (37.1%) patients. Advanced age, diabetes, heart failure, anemia, baseline sCr of >1.5 mg/dL, baseline eGFR of <60 mL/min/1.73 m(2), proteinuria of ≥1 g/day, hypoalbuminemia, and the volume of contrast media of ≥100 mL correlated significantly with CIN. The frequency of CIN was significantly higher in patients with proteinuria of ≥1 g/day compared to patients with proteinuria of <1 g/day (p = 0.009). CONCLUSION Proteinuria may be a new risk factor for the development of CIN in patients with chronic kidney disease.
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Affiliation(s)
- Serhan Piskinpasa
- Department of Internal Medicine, Hacettepe University Faculty of Medicine, Ankara, Turkey.
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Huang SS, Huang PH, Wu TC, Chen JW, Lin SJ. Association of serum bilirubin with contrast-induced nephropathy and future cardiovascular events in patients undergoing coronary intervention. PLoS One 2012; 7:e42594. [PMID: 22880046 PMCID: PMC3412818 DOI: 10.1371/journal.pone.0042594] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2012] [Accepted: 07/09/2012] [Indexed: 11/18/2022] Open
Abstract
Objectives Enhanced reactive oxygen species formation within the kidney following the administration of contrast media may play a key role in the development of contrast-induced nephropathy (CIN). Bilirubin has emerged as an important endogenous antioxidant molecule. This study was undertaken to determine whether bilirubin is associated with CIN and future cardiovascular events in patients undergoing coronary intervention. Methods Totally, 544 consecutive patients received coronary intervention were enrolled. All patients were followed up for at least 3 years or until the occurrence of a major event. The primary endpoint was CIN, defined as a rise in serum creatinine (SCr) of 0.5 mg/dl or a 25% increase from the baseline value within 48 hours after the procedure. The secondary endpoint was the combined occurrence of major adverse cardiovascular events (MACE), including death, nonfatal myocardial infarction, and ischemic stroke. Results Overall, CIN occurred in 85 (15.6%) patients. All patients were stratified into 3 groups (low/normal/high) according to the serum bilirubin levels. In a multivariate logistic analysis, the odds ratio for CIN with low-bilirubin levels relative to high-bilirubin levels was 11.82 (95% CI, 3.25–43.03). By Cox regression analysis, serum bilirubin levels was an independent predictor of MACE in patients undergoing coronary intervention (low vs. high hazard ratio 2.26; 95% CI, 1.05–4.90). Conclusions CIN is a serious complication of coronary intervention. Higher serum bilirubin concentrations were associated with lower risk of CIN and fewer cardiovascular events. The development of interventions that promote bilirubin levels may be a potential target to reduce CIN and future MACE in patients undergoing coronary intervention.
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Affiliation(s)
- Shao-Sung Huang
- Division of Cardiology, Taipei Veterans General Hospital, Taipei, Taiwan
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Po-Hsun Huang
- Division of Cardiology, Taipei Veterans General Hospital, Taipei, Taiwan
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
- Cardiovascular Research Center, National Yang-Ming University, Taipei, Taiwan
- * E-mail:
| | - Tao-Cheng Wu
- Division of Cardiology, Taipei Veterans General Hospital, Taipei, Taiwan
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
- Cardiovascular Research Center, National Yang-Ming University, Taipei, Taiwan
| | - Jaw-Wen Chen
- Division of Cardiology, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Medical Research and Education, Taipei Veterans General Hospital, Taipei, Taiwan
- Cardiovascular Research Center, National Yang-Ming University, Taipei, Taiwan
- Institute and Department of Pharmacology, National Yang-Ming University, Taipei, Taiwan
| | - Shing-Jong Lin
- Division of Cardiology, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Medical Research and Education, Taipei Veterans General Hospital, Taipei, Taiwan
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
- Cardiovascular Research Center, National Yang-Ming University, Taipei, Taiwan
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