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Miyagi MYS, Seelaender M, Castoldi A, de Almeida DC, Bacurau AVN, Andrade-Oliveira V, Enjiu LM, Pisciottano M, Hayashida CY, Hiyane MI, Brum PC, Camara NOS, Amano MT. Long-term aerobic exercise protects against cisplatin-induced nephrotoxicity by modulating the expression of IL-6 and HO-1. PLoS One 2014; 9:e108543. [PMID: 25272046 PMCID: PMC4182716 DOI: 10.1371/journal.pone.0108543] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2014] [Accepted: 08/22/2014] [Indexed: 12/13/2022] Open
Abstract
Nephrotoxicity is substantial side effect for 30% of patients undergoing cancer therapy with cisplatin and may force them to change or even abandon the treatment. Studies regarding aerobic exercise have shown its efficacy for the treatment of many types of diseases and its capacity to reduce tumors. However, little is known about the impact of physical exercise on cisplatin-induced acute kidney injury (AKI). In the present study, our aim was to investigate the role of physical exercise in AKI induced by cisplatin. We submitted C57Bl6 male mice to seven weeks of chronic exercise on a training treadmill and treated them with single i.p. injection of cisplatin (20 mg/kg) in the last week. Exercise efficacy was confirmed by an increased capillary-to-fiber ratio in the gastrocnemius muscle of exercised groups (EX and CIS-EX). The group submitted to exercise before cisplatin administration (CIS-EX) exhibited less weight loss and decreased serum urea levels compared to the cisplatin group (CIS). Exercise also showed a protective role against cisplatin-induced cell death in the kidney. The CIS-EX group showed a lower inflammatory response, with less TNF and IL-10 expression in the kidney and serum. In the same group, we observed an increase of IL-6 and HO-1 expression in the kidney. Taken together, our results indicate that chronic aerobic exercise is able to attenuate AKI by inducing IL-6 and HO-1 production, which results in lower inflammatory and apoptotic profiles in the kidney.
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Affiliation(s)
- Mariana Yasue Saito Miyagi
- Laboratory of Immunobiology of Transplants, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Marilia Seelaender
- Cancer Metabolism Research Group, Department of Cell Biology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Angela Castoldi
- Laboratory of Immunobiology of Transplants, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Danilo Candido de Almeida
- Laboratory of Immunobiology of Transplants, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Aline Villa Nova Bacurau
- Laboratory of Molecular and Cellular Exercise Physiology, School of Physical Education and Sport, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Vinicius Andrade-Oliveira
- Laboratory of Immunobiology of Transplants, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Lucas Maceratesi Enjiu
- Cancer Metabolism Research Group, Department of Cell Biology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Marcus Pisciottano
- Cancer Metabolism Research Group, Department of Cell Biology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Caroline Yuri Hayashida
- Laboratory of Immunobiology of Transplants, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Meire Ioshie Hiyane
- Laboratory of Immunobiology of Transplants, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Patricia Chakur Brum
- Laboratory of Molecular and Cellular Exercise Physiology, School of Physical Education and Sport, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Niels Olsen Saraiva Camara
- Laboratory of Immunobiology of Transplants, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Mariane Tami Amano
- Laboratory of Immunobiology of Transplants, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, SP, Brazil
- * E-mail:
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152
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Takao T, Horino T, Matsumoto R, Shimamura Y, Ogata K, Inoue K, Taniguchi Y, Taguchi T, Terada Y. Possible roles of tumor necrosis factor-α and angiotensin II type 1 receptor on high glucose-induced damage in renal proximal tubular cells. Ren Fail 2014; 37:160-4. [PMID: 25222109 DOI: 10.3109/0886022x.2014.959434] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Recent studies have identified that high glucose-induced renal tubular cell damage. We previously demonstrated that high glucose treatment induced oxidative stress in human renal proximal tubular epithelial cells (RPTECs), and angiotensin II type 1 (AT1) receptor blockers reduce high glucose-induced oxidative stress in RPTEC possibly via blockade of intracellular as well as extracellular AT1 receptor. However, exact roles of tumor necrosis factor (TNF)-α and AT1 receptor on high glucose-induced renal tubular function remain unclear. N-acetyl-beta-glucosaminidase (NAG), concentrations of TNF-α/angiotensin II and p22(phox) protein levels after high glucose treatment with or without AT1 receptor blocker or thalidomide, an inhibitor of TNF-α protein synthesis, were measured in immortalized human renal proximal tubular epithelial cells (HK2 cells). AT1 receptor knockdown was performed with AT1 receptor small interfering RNA (siRNA). High glucose treatment (30 mM) significantly increased NAG release, TNF-α/angiotensin II concentrations in cell media and p22(phox) protein levels compared with those in regular glucose medium (5.6 mM). Candesartan, an AT1R blocker, showed a significant reduction on high glucose-induced NAG release, TNF-α concentrations and p22(phox) protein levels in HK2 cells. In addition, significant decreases of NAG release, TNF-α concentrations and p22(phox) protein levels in HK2 cells were observed in high glucose-treated group with thalidomide. AT1R knockdown with siRNA markedly reversed high glucose, angiotensin II or TNF-α-induced p22(phox) protein levels in HK2 cells. TNF-α may be involved in high glucose-induced renal tubular damage in HK2 cells possibly via AT1 receptor signaling.
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Affiliation(s)
- Toshihiro Takao
- Department of Health Care Medicine, Kawasaki Medical School , Kurashiki , Japan and
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153
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Zirak MR, Rahimian R, Ghazi-Khansari M, Abbasi A, Razmi A, Ejtemaei Mehr S, Mousavizadeh K, Dehpour AR. Tropisetron attenuates cisplatin-induced nephrotoxicity in mice. Eur J Pharmacol 2014; 738:222-9. [DOI: 10.1016/j.ejphar.2014.05.050] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Revised: 05/26/2014] [Accepted: 05/26/2014] [Indexed: 12/12/2022]
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154
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Estrela GR, Wasinski F, Bacurau RF, Malheiros DM, Câmara NO, Araújo RC. Kinin B2 receptor deletion and blockage ameliorates cisplatin-induced acute renal injury. Int Immunopharmacol 2014; 22:115-9. [DOI: 10.1016/j.intimp.2014.06.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Revised: 06/09/2014] [Accepted: 06/11/2014] [Indexed: 12/16/2022]
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155
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TNF receptors: signaling pathways and contribution to renal dysfunction. Kidney Int 2014; 87:281-96. [PMID: 25140911 DOI: 10.1038/ki.2014.285] [Citation(s) in RCA: 147] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Revised: 02/28/2014] [Accepted: 03/06/2014] [Indexed: 12/19/2022]
Abstract
Tumor necrosis factor (TNF), initially reported to induce tumor cell apoptosis and cachexia, is now considered a central mediator of a broad range of biological activities from cell proliferation, cell death and differentiation to induction of inflammation and immune modulation. TNF exerts its biological responses via interaction with two cell surface receptors: TNFR1 and TNFR2. (TNFRs). These receptors trigger shared and distinct signaling pathways upon TNF binding, which in turn result in cellular outputs that may promote tissue injury on one hand but may also induce protective, beneficial responses. Yet the role of TNF and its receptors specifically in renal disease is still not well understood. This review describes the expression of the TNFRs, the signaling pathways induced by them and the biological responses of TNF and its receptors in various animal models of renal diseases, and discusses the current outcomes from use of TNF biologics and TNF biomarkers in renal disorders.
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156
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Pathophysiology of cisplatin-induced acute kidney injury. BIOMED RESEARCH INTERNATIONAL 2014; 2014:967826. [PMID: 25165721 PMCID: PMC4140112 DOI: 10.1155/2014/967826] [Citation(s) in RCA: 462] [Impact Index Per Article: 46.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/25/2014] [Revised: 07/18/2014] [Accepted: 07/19/2014] [Indexed: 02/06/2023]
Abstract
Cisplatin and other platinum derivatives are the most widely used chemotherapeutic agents to treat solid tumors including ovarian, head and neck, and testicular germ cell tumors. A known complication of cisplatin administration is acute kidney injury (AKI). The nephrotoxic effect of cisplatin is cumulative and dose-dependent and often necessitates dose reduction or withdrawal. Recurrent episodes of AKI may result in chronic kidney disease. The pathophysiology of cisplatin-induced AKI involves proximal tubular injury, oxidative stress, inflammation, and vascular injury in the kidney. There is predominantly acute tubular necrosis and also apoptosis in the proximal tubules. There is activation of multiple proinflammatory cytokines and infiltration of inflammatory cells in the kidney. Inhibition of the proinflammatory cytokines TNF-α or IL-33 or depletion of CD4+ T cells or mast cells protects against cisplatin-induced AKI. Cisplatin also causes endothelial cell injury. An understanding of the pathogenesis of cisplatin-induced AKI is important for the development of adjunctive therapies to prevent AKI, to lessen the need for dose decrease or drug withdrawal, and to lessen patient morbidity and mortality.
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157
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Khubutiya MS, Vagabov AV, Temnov AA, Sklifas AN. Paracrine mechanisms of proliferative, anti-apoptotic and anti-inflammatory effects of mesenchymal stromal cells in models of acute organ injury. Cytotherapy 2014; 16:579-85. [DOI: 10.1016/j.jcyt.2013.07.017] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2013] [Revised: 07/23/2013] [Accepted: 07/29/2013] [Indexed: 01/12/2023]
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158
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Omote K, Gohda T, Murakoshi M, Sasaki Y, Kazuno S, Fujimura T, Ishizaka M, Sonoda Y, Tomino Y. Role of the TNF pathway in the progression of diabetic nephropathy in KK-A(y) mice. Am J Physiol Renal Physiol 2014; 306:F1335-47. [PMID: 24647715 DOI: 10.1152/ajprenal.00509.2013] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Chronic inflammation promotes the progression of diabetic nephropathy (DN). However, the role of TNF-α remains unclear. The objectives of the present study were to examine whether TNF-α inhibition with a soluble TNF receptor (TNFR)2 fusion protein, i.e., etanercept (ETN), improves the early stage of DN in the type 2 diabetic model of the KK-A(y) mouse and to also investigate which TNF pathway, TNFR1 or TNFR2, is predominantly involved in the progression of this disease. ETN was injected intraperitoneally into mice for 8 wk. Renal damage was evaluated by immunohistochemistry, Western blot analysis, and/or real-time PCR. In vitro, mouse tubular proximal cells were stimulated by TNF-α and/or high glucose (HG) and treated with ETN. ETN dramatically improved not only albuminuria but also glycemic control. Renal mRNA and/or protein levels of TNFR2, but not TNF-α and TNFR1, in ETN-treated KK-A(y) mice were significantly decreased compared with untreated KK-A(y) mice. mRNA levels of ICAM-1, VCAM-1, and monocyte chemoattractant protein-1 and the number of F4/80-positive cells were all decreased after treatment. Numbers of cleaved caspase-3- and TUNEL-positive cells in untreated mice were very few and were not different from ETN-treated mice. In vitro, stimulation with TNF-α or HG markedly increased both mRNA levels of TNFRs, unlike in the in vivo case. Furthermore, ETN partly recovered TNF-α-induced but not HG-induced TNFR mRNA levels. In conclusion, it appears that ETN may improve the progression of the early stage of DN predominantly through inhibition of the anti-inflammatory action of the TNF-α-TNFR2 pathway.
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Affiliation(s)
- Keisuke Omote
- Division of Nephrology, Department of Internal Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan; and
| | - Tomohito Gohda
- Division of Nephrology, Department of Internal Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan; and
| | - Maki Murakoshi
- Division of Nephrology, Department of Internal Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan; and
| | - Yu Sasaki
- Division of Nephrology, Department of Internal Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan; and
| | - Saiko Kazuno
- Division of Proteomics and Biomolecular Science, BioMedical Research Center, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Tsutomu Fujimura
- Division of Proteomics and Biomolecular Science, BioMedical Research Center, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Masanori Ishizaka
- Division of Nephrology, Department of Internal Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan; and
| | - Yuji Sonoda
- Division of Nephrology, Department of Internal Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan; and
| | - Yasuhiko Tomino
- Division of Nephrology, Department of Internal Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan; and
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159
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Pre-treatment with cardamonin protects against cisplatin-induced nephrotoxicity in rats: Impact on NOX-1, inflammation and apoptosis. Toxicol Appl Pharmacol 2014; 274:87-95. [DOI: 10.1016/j.taap.2013.10.031] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2013] [Revised: 10/26/2013] [Accepted: 10/28/2013] [Indexed: 02/07/2023]
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160
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Sreeja S, Nair CK. Prevention of Cisplatin-Induced Renal Toxicity in Swiss Albino Mice by Astaxanthine. ACTA ACUST UNITED AC 2013. [DOI: 10.3923/jpt.2014.25.36] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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161
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Renoprotective effect of Pulsatillae Radix on cisplatin-induced nephrotoxicity in mice. Mol Cell Toxicol 2013. [DOI: 10.1007/s13273-013-0048-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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162
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Kumar P, Prashanth KS, Gaikwad AB, Vij M, Barua CC, Bezbaruah B. Disparity in actions of rosiglitazone against cisplatin-induced nephrotoxicity in female Sprague-Dawley rats. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2013; 36:883-890. [PMID: 24001946 DOI: 10.1016/j.etap.2013.08.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 08/01/2013] [Accepted: 08/05/2013] [Indexed: 06/02/2023]
Abstract
Cisplatin is one of the most common chemotherapeutic drugs used against various solid, tumours. Despite of its therapeutic benefits, its use in clinical practice is often limited because of dose, related toxicity. The nephrotoxic potential of cisplatin has been ascribed to its accumulation in the, renal tubular cells generating reactive oxygen species (ROS), activation of Bax, increased secretion of, TNFα and activation of certain inflammatory mediators like cytokines. The present investigation was, undertaken with an objective to study the effect of rosiglitazone against cisplatin induced, nephrotoxicity. Pretreatment of rosiglitazone prevents cisplatin induced nephrotoxicity which was, clearly evident from the renal biochemical parameters like reduced BUN, creatinine and TNFα levels, and increased albumin levels, which was also supported by histopathological studies of the kidneys. In contrast, posttreatment of rosiglitazone was not able to protect the renal damage in cisplatin induced, renal toxicity. These results showed the variation of pre & posttreatment effects of rosiglitazone, against the cisplatin induced nephrotoxicity.
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Affiliation(s)
- Parveen Kumar
- Laboratory of Molecular Pharmacology and Toxicology, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, GMCH, Bhangagarh, Guwahati, Assam, India.
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163
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Gupta S, Gambhir JK, Kalra O, Gautam A, Shukla K, Mehndiratta M, Agarwal S, Shukla R. Association of biomarkers of inflammation and oxidative stress with the risk of chronic kidney disease in Type 2 diabetes mellitus in North Indian population. J Diabetes Complications 2013; 27:548-52. [PMID: 24012111 DOI: 10.1016/j.jdiacomp.2013.07.005] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2013] [Revised: 07/11/2013] [Accepted: 07/21/2013] [Indexed: 12/23/2022]
Abstract
Chronic kidney disease (CKD) is a major cause of morbidity and mortality worldwide. It results from diverse etiologies, diabetes being a frontrunner amongst them. Type 2 diabetes mellitus (DM) is being increasingly recognized as a proinflammatory state with increased oxidative stress which enormously increases the risk of micro and macro vascular diseases. This study was planned to explore the possible association between tumor necrosis factor-alpha (TNF-α), urinary monocyte chemoattractant protein-1 (uMCP-1), high-sensitivity C-reactive protein (hsCRP) and parameters of oxidative stress in patients with Type 2 diabetes mellitus (DM) and diabetic chronic kidney disease (DM-CKD). Fifty patients each were recruited in DM, DM-CKD and healthy control groups. Plasma TNF-α, hsCRP and uMCP-1 levels as inflammatory mediators were measured by ELISA, reduced glutathione (GSH), ferric reducing ability of plasma (FRAP) as parameters of antioxidant activity and malondialdehyde (MDA) as marker of oxidative stress, were measured spectrophotometrically. Plasma TNF-α, hsCRP and uMCP-1 were significantly higher in DM-CKD compared to DM and healthy controls. Lipid peroxidation, measured as MDA was significantly higher in patients with DM-CKD as compared to patients with DM and healthy controls. Further, antioxidant capacity of blood measured as FRAP and GSH was found to be significantly lower in patients with DM and DM-CKD as compared to healthy controls (p<0.001). Plasma TNF-α and uMCP-1 showed a significant positive correlation with HbA1c (r=0.441, 0.643), hsCRP (r=0.400, 0.584) and MDA (r=0.423, 0.759) and significant negative correlation with GSH (R=-0.370, -0.800) and FRAP (r=-0.344, -0.684) Increased inflammatory markers viz. TNF-α, hsCRP and uMCP-1 and markers of oxidative stress i.e. increased MDA and decreased GSH and FRAP in DM-CKD suggest an important role of inflammation and oxidative stress in the pathogenesis of renal damage in diabetic patients.
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Affiliation(s)
- Stuti Gupta
- Departments of Biochemistry and Medicine, University College of Medical Sciences (University of Delhi) & GTB Hospital, Delhi, 110095 India
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164
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You H, Gao T, Cooper TK, Brian Reeves W, Awad AS. Macrophages directly mediate diabetic renal injury. Am J Physiol Renal Physiol 2013; 305:F1719-27. [PMID: 24173355 DOI: 10.1152/ajprenal.00141.2013] [Citation(s) in RCA: 118] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Monocyte/macrophage recruitment correlates strongly with the progression of renal impairment in diabetic nephropathy (DN), yet their direct role is not clear. We hypothesized that macrophages contribute to direct podocyte injury and/or an abnormal podocyte niche leading to DN. Experiments were conducted in CD11b-DTR mice treated with diphtheria toxin (DT) to deplete macrophages after streptozotocin-induced diabetes. Additional experiments were conducted in bone marrow chimeric (CD11b-DTR→ C57BL6/J) mice. Diabetes was associated with an increase in the M1-to-M2 ratio by 6 wk after the induction of diabetes. Macrophage depletion in diabetic CD11b-DTR mice significantly attenuated albuminuria, kidney macrophage recruitment, and glomerular histological changes and preserved kidney nephrin and podocin expression compared with diabetic CD11b-DTR mice treated with mutant DT. These data were confirmed in chimeric mice indicating a direct role of bone marrow-derived macrophages in DN. In vitro, podocytes grown in high-glucose media significantly increased macrophage migration compared with podocytes grown in normal glucose media. In addition, classically activated M1 macrophages, but not M2 macrophages, induced podocyte permeability. These findings provide evidence showing that macrophages directly contribute to kidney injury in DN, perhaps by altering podocyte integrity through the proinflammatory M1 subset of macrophages. Attenuating the deleterious effects of macrophages on podocytes could provide a new therapeutic approach to the treatment of DN.
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Affiliation(s)
- Hanning You
- Penn State Univ., Hershey Medical Center, College of Medicine, Division of Nephrology, H040, 500 Univ. Drive, PO Box 850, BMR Bldg., C5830, Hershey, PA 17033.
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165
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Liu Y, Lu X, Nguyen S, Olson JL, Webb HK, Kroetz DL. Epoxyeicosatrienoic acids prevent cisplatin-induced renal apoptosis through a p38 mitogen-activated protein kinase-regulated mitochondrial pathway. Mol Pharmacol 2013; 84:925-34. [PMID: 24092818 DOI: 10.1124/mol.113.088302] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Soluble epoxide hydrolase (sEH) catalyzes the conversion of epoxyeicosatrienoic acids into less active eicosanoids, and inhibitors of sEH have anti-inflammatory and antiapoptotic properties. Based on previous observations that sEH inhibition attenuates cisplatin-induced nephrotoxicity by modulating nuclear factor-κB signaling, we hypothesized that this strategy would also attenuate cisplatin-induced renal apoptosis. Inhibition of sEH with AR9273 [1-adamantan-1-yl-3-(1-methylsulfonyl-piperidin-4-yl-urea)] reduced cisplatin-induced apoptosis through mechanisms involving mitochondrial apoptotic pathways and by reducing reactive oxygen species. Renal mitochondrial Bax induction following cisplatin treatment was significantly decreased by treatment of mice with AR9273 and these antiapoptotic effects involved p38 mitogen-activated protein kinase signaling. Similar mechanisms contributed to reduced apoptosis in Ephx2(-/-) mice treated with cisplatin. Moreover, in pig kidney proximal tubule cells, cisplatin-induced mitochondrial trafficking of Bax and cytochrome c, caspase-3 activation, and oxidative stress are significantly attenuated in the presence of epoxyeicosatrienoic acids (EETs). Collectively, these in vivo and in vitro studies demonstrate a role for EETs in limiting cisplatin-induced renal apoptosis. Inhibition of sEH represents a novel therapeutic strategy for protection against cisplatin-induced renal damage.
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Affiliation(s)
- Yingmei Liu
- Departments of Bioengineering and Therapeutic Sciences (Y.L., X.L., S.N., D.L.K.) and Anatomic Pathology (J.L.O.), University of California San Francisco, San Francisco, California; and Arête Therapeutics, Hayward, California (H.K.W.)
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166
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Laird BJ, McMillan DC, Fayers P, Fearon K, Kaasa S, Fallon MT, Klepstad P. The systemic inflammatory response and its relationship to pain and other symptoms in advanced cancer. Oncologist 2013; 18:1050-5. [PMID: 23966223 DOI: 10.1634/theoncologist.2013-0120] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
INTRODUCTION Inflammation has been identified as a hallmark of cancer and may be necessary for tumorgenesis and maintenance of the cancer state. Inflammation-related symptoms are common in those with cancer; however, little is known about the relationship between symptoms and systemic inflammation in cancer. The aim of the present study was to examine the relationship between symptoms and systemic inflammation in a large cohort of patients with advanced cancer. METHODS Data from an international cohort of patients with advanced cancer were analyzed. Symptoms and patient-related outcomes were recorded using the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire--Core Questionnaire. Systemic inflammation was assessed using C-reactive protein levels. The relationship between these symptoms and systemic inflammation was examined using Spearman rank correlation (ρ) and the Mann-Whitney U test. RESULTS Data were available for 1,466 patients across eight European countries; 1,215 patients (83%) had metastatic disease at study entry. The median survival was 3.8 months (interquartile range [IQR] 1.3-12.2 months). The following were associated with increased levels of inflammation: performance status (ρ = .179), survival (ρ = .347), pain (ρ = .154), anorexia (ρ = .206), cognitive dysfunction (ρ = .137), dyspnea (p= .150), fatigue (ρ = .197), physical dysfunction (ρ = .207), role dysfunction (ρ = .176), social dysfunction (ρ = .132), and poor quality of life (ρ = .178). All were statistically significant at p < .001. CONCLUSION The results show that the majority of cancer symptoms are associated with inflammation. The strength of the potential relationship between systemic inflammation and common cancer symptoms should be examined further within the context of an anti-inflammatory intervention trial.
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Affiliation(s)
- Barry J Laird
- European Palliative Care Research Centre, Norwegian University of Science and Technology, Trondheim, Norway
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167
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Bomsztyk K, Flanagin S, Mar D, Mikula M, Johnson A, Zager R, Denisenko O. Synchronous recruitment of epigenetic modifiers to endotoxin synergistically activated Tnf-α gene in acute kidney injury. PLoS One 2013; 8:e70322. [PMID: 23936185 PMCID: PMC3728219 DOI: 10.1371/journal.pone.0070322] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Accepted: 06/18/2013] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND As a consequence of acute kidney injury (AKI), proximal tubular cells hyperrespond to endotoxin (lipopolysaccharide, LPS) by exaggerated renal Tnf-α Production. This LPS hyperresponsiveness is transcriptionally mediated. The epigenetic pathways that control these responses are unknown. METHODS/FINDINGS We applied multiplex chromatin immunoprecipitation platform (Matrix ChIP) to explore epigenetic pathways that underlie endotoxin hyperresponsiveness in the setting of preceding unilateral renal ischemia/reperfusion (I/R) in mouse AKI model. Endotoxin exposure after I/R resulted in enhanced transcription, manifested by hyperresponsive recruitment of RNA polymerase II (Pol II) at the Tnf-α gene. At this locus, LPS but not I/R increased levels of Pol II C-terminal domain (CTD) phosho-serine2 &5 and induced dephosphorylation of the transcription-repressive histone H4 phospho-serine-1. In contrast, I/R but not LPS increased the transcription-permissive histone phosphorylation (H3 phospho-serine-10, H3.3 phospho-serine-31) at the Tnf-α gene. In agreement with these observations, I/R but not LPS increased activity of cognate kinases (Erk1/2, Msk1/2 and Aurora A) at the Tnf-α locus. Cross-talk of histone phosphorylation and acetylation synergize to active gene expression. I/R and LPS increased histone acetylation. (H3K9/14Ac, H4K5/8/12/16Ac, H2KA5Ac, H2BK4/7Ac). Levels of some histone acetyltransferases at this gene (PCAF and MOF) were increased by I/R but not by LPS, while others were induced by either I/R or LPS and exhibited endotoxin hyperresponsive patterns (GCN5, CBP and p300). The adaptor protein 14-3-3 couples histone phosphorylation with acetylation, and tethers chromatin modifiers/transcription elongation factors to target genes. Both I/R and LPS increased levels of 14-3-3 and several chromatin/transcription modifiers (BRD4, BRG1, HP-1γ and IKKα) at the Tnf-α gene, all exhibiting endotoxin hyperresponsive recruitment patterns similar to Pol II. CONCLUSIONS Our results suggest that I/R and LPS differentially trigger phosphorylation (Pol II and histone) and acetylation (histone) epigenetic pathways that interact at the Tnf-α gene to generate endotoxin hyperresponse in AKI.
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Affiliation(s)
- Karol Bomsztyk
- Department of Medicine, University of Washington, Seattle, Washington, USA.
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Schmitt NC, Rubel EW. Osteopontin does not mitigate cisplatin ototoxicity or nephrotoxicity in adult mice. Otolaryngol Head Neck Surg 2013; 149:614-20. [PMID: 23884286 DOI: 10.1177/0194599813498218] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE The goal of this study was to determine whether osteopontin, a molecule with a variety of biologic effects including cell death inhibition, plays an important role in protection of the inner ear and kidney from the toxic effects of the chemotherapeutic drug cisplatin. STUDY DESIGN In vivo study using a model system of cisplatin toxicity in adult mice. SETTING Virginia Merrill Bloedel Hearing Research Center, University of Washington. SUBJECTS AND METHODS Osteopontin+/+ and Osteopontin-/- adult mice were treated with intraperitoneal cisplatin (20 mg/kg) or saline (control). Osteopontin levels were investigated by immunohistochemistry. Auditory brainstem response thresholds and cochlear histology were used to assess ototoxicity, while serum creatinine and renal histology were used to assess nephrotoxicity. For quantitative experiments, 8 to 18 animals were included in each treatment group. RESULTS At 72 hours after cisplatin treatment, there was a slight increase in osteopontin levels within the kidney but not in the inner ear. There was no difference in auditory brainstem response threshold shifts, outer hair cell death, or serum creatinine between Osteopontin+/+ and Osteopontin-/- mice. Cochlear and renal histologic damage following cisplatin appeared to be similar in Osteopontin+/+ and Osteopontin-/- mice. CONCLUSION Osteopontin is not required for development of normal auditory or renal function. Osteopontin is unlikely to play a role in protection of the inner ear or kidney from acute cisplatin toxicity. Slight increases in renal osteopontin 72 hours after cisplatin injury may be important for regeneration of proximal tubule cells.
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Affiliation(s)
- Nicole C Schmitt
- Virginia Merrill Bloedel Hearing Research Center, Seattle, Washington, USA
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169
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Maimaitiyiming H, Li Y, Cui W, Tong X, Norman H, Qi X, Wang S. Increasing cGMP-dependent protein kinase I activity attenuates cisplatin-induced kidney injury through protection of mitochondria function. Am J Physiol Renal Physiol 2013; 305:F881-90. [PMID: 23825069 DOI: 10.1152/ajprenal.00192.2013] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Cisplatin is widely used to treat malignancies. However, its major limitation is the development of dose-dependent nephrotoxicity. The precise mechanisms of cisplatin-induced kidney damage remain unclear, and the renoprotective agents during cisplatin treatment are still lacking. Here, we demonstrated that the expression and activity of cGMP-dependent protein kinase-I (PKG-I) were reduced in cisplatin-treated renal tubular cells in vitro as well as in the kidney tissues from cisplatin-treated mice in vivo. Increasing PKG activity by both pharmacological and genetic approaches attenuated cisplatin-induced kidney cell apoptosis in vitro. This was accompanied by decreased Bax/Bcl2 ratio, caspase 3 activity, and cytochrome c release. Cisplatin-induced mitochondria membrane potential loss in the tubular cells was also prevented by increased PKG activity. All of these data suggest a protective effect of PKG on mitochondria function in renal tubular cells. Importantly, increasing PKG activity pharmacologically or genetically diminished cisplatin-induced tubular damage and preserved renal function during cisplatin treatment in vivo. Mitochondria structural and functional damage in the kidney from cisplatin-treated mice was inhibited by increased PKG activity. In addition, increasing PKG activity enhanced ciaplatin-induced cell death in several cancer cell lines. Taken together, these results suggest that increasing PKG activity may be a novel option for renoprotection during cisplatin-based chemotherapy.
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Affiliation(s)
- Hasiyeti Maimaitiyiming
- Graduate Center for Nutritional Sciences, Univ. of Kentucky, Wethington Bldg. Rm. 583, 900 S. Limestone St., Lexington, KY 40536.
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170
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Khan MAH, Liu J, Kumar G, Skapek SX, Falck JR, Imig JD. Novel orally active epoxyeicosatrienoic acid (EET) analogs attenuate cisplatin nephrotoxicity. FASEB J 2013; 27:2946-56. [PMID: 23603837 DOI: 10.1096/fj.12-218040] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Nephrotoxicity severely limits the use of the anticancer drug cisplatin. Oxidative stress, inflammation, and endoplasmic reticulum (ER) stress contribute to cisplatin-induced nephrotoxicity. We developed novel orally active epoxyeicosatrienoic acid (EET) analogs and investigated their prophylactic effect in cisplatin-induced nephrotoxicity in rats. Cisplatin-induced nephrotoxicity was manifested by increases in blood urea nitrogen, plasma creatinine, urinary N-acetyl-β-(d)-glucosaminidase activity, kidney injury molecule 1, and histopathology. EET analogs (10 mg/kg/d) attenuated cisplatin-induced nephrotoxicity by reducing these renal injury markers by 40-80% along with a 50-70% reduction in renal tubular cast formation. This attenuated renal injury is associated with reduced oxidative stress, inflammation, and ER stress evident from reduction in related biomarkers and in the renal expression of genes involved in these pathways. Moreover, we demonstrated that the attenuated nephrotoxicity correlated with decreased apoptosis that is associated with 50-90% reduction in Bcl-2 protein family mediated proapoptotic signaling, reduced renal caspase-12 expression, and a 50% reduction in renal caspase-3 activity. We further demonstrated in vitro that the protective activity of EET analogs does not compromise the anticancer effects of cisplatin. Collectively, our data provide evidence that EET analogs attenuate cisplatin-induced nephrotoxicity by reducing oxidative stress, inflammation, ER stress, and apoptosis without affecting the chemotherapeutic effects of cisplatin.
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Affiliation(s)
- Md Abdul Hye Khan
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, 8701 Watertown Plank Rd., Milwaukee, Wisconsin 53226, USA
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171
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Moresco RN, Sangoi MB, De Carvalho JAM, Tatsch E, Bochi GV. Diabetic nephropathy: traditional to proteomic markers. Clin Chim Acta 2013; 421:17-30. [PMID: 23485645 DOI: 10.1016/j.cca.2013.02.019] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2012] [Revised: 02/06/2013] [Accepted: 02/09/2013] [Indexed: 01/11/2023]
Abstract
Diabetic nephropathy (DN) is one of the major microvascular complications of diabetes and it is defined as a rise in the urinary albumin excretion (UAE) rate and abnormal renal function. Currently, changes in albuminuria are considered a hallmark of onset or progression of DN. However, some patients with diabetes have advanced renal pathological changes and progressive kidney function decline even if urinary albumin levels are in the normal range, indicating that albuminuria is not the perfect marker for the early detection of DN. The present article provides an overview of the literature reporting some relevant biomarkers that have been found to be associated with DN and that potentially may be used to predict the onset and/or monitor the progression of nephropathy. In particular, biomarkers of renal damage, inflammation, and oxidative stress may be useful tools for detection at an early stage or prediction of DN. Proteomic-based biomarker discovery represents a novel strategy to improve diagnosis, prognosis and treatment of DN; however, proteomics-based approaches are not yet available in most of the clinical chemistry laboratories. The use of a panel with a combination of biomarkers instead of urinary albumin alone seems to be an interesting approach for early detection of DN, including markers of glomerular damage (e.g., albumin), tubular damage (e.g., NAG and KIM-1), inflammation (e.g., TNF-α) and oxidative stress (e.g., 8-OHdG) because these mechanisms contribute to the development and outcomes of this disease.
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Affiliation(s)
- Rafael N Moresco
- Laboratório de Pesquisa em Bioquímica Clínica, Departamento de Análises Clínicas e Toxicológicas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil.
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172
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Nishihara K, Masuda S, Shinke H, Ozawa A, Ichimura T, Yonezawa A, Nakagawa S, Inui KI, Bonventre JV, Matsubara K. Urinary chemokine (C-C motif) ligand 2 (monocyte chemotactic protein-1) as a tubular injury marker for early detection of cisplatin-induced nephrotoxicity. Biochem Pharmacol 2013; 85:570-82. [PMID: 23291264 DOI: 10.1016/j.bcp.2012.12.019] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2012] [Revised: 12/19/2012] [Accepted: 12/21/2012] [Indexed: 10/27/2022]
Abstract
Because of the difficulty in detecting segment-specific response in the kidney, we investigated the molecular events underlying acute kidney injury in the proximal tubules of rats with cisplatin (cis-diamminedichloroplatinum II)-induced nephrotoxicity. Microarray analysis revealed that mRNA levels of several cytokines and chemokines, such as interleukin-1beta, chemokine (C-C motif) ligand (CCL) 2, CCL20, chemokine (C-X-C motif) ligand (CXCL) 1, and CXCL10 were significantly increased after cisplatin treatment in both isolated proximal tubules and whole kidney. Interestingly, tubular CCL2 mRNA levels increased soon after cisplatin administration, whereas CCL2 mRNA levels in whole kidney first decreased and then increased. Levels of both CCL2 and kidney injury molecule-1 (KIM-1) in the whole kidney increased after cisplatin administration. Immunofluorescence analysis revealed CCL2 changes in the proximal tubular cells initially and then in the medullary interstitium. Urinary CCL2 excretion significantly increased approximately 3-fold compared with controls the day after cisplatin administration (5mg/kg), when no changes were observed plasma creatinine and blood urea nitrogen levels. Urinary levels of KIM-1 also increased 3-fold after cisplatin administration. In addition, urinary CCL2 rather than KIM-1 increased in chronic renal failure rats after administration of low-dose cisplatin (2mg/kg), suggesting that urinary CCL2 was selective for cisplatin-induced nephrotoxicity in renal impairment. These results indicated that the increase in cytokine and chemokine expression in renal epithelial cells might be responsible for kidney deterioration in cisplatin-induced nephrotoxicity, and that urinary CCL2 is associated with tubular injury and serves as a sensitive and noninvasive marker for the early detection of cisplatin-induced tubular injury.
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Affiliation(s)
- Kumiko Nishihara
- Department of Pharmacy, Kyoto University Hospital, Faculty of Medicine, Sakyo-ku, Kyoto 606-8507, Japan
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173
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Benedetti G, Fredriksson L, Herpers B, Meerman J, van de Water B, de Graauw M. TNF-α-mediated NF-κB survival signaling impairment by cisplatin enhances JNK activation allowing synergistic apoptosis of renal proximal tubular cells. Biochem Pharmacol 2013; 85:274-86. [DOI: 10.1016/j.bcp.2012.10.012] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2012] [Revised: 10/16/2012] [Accepted: 10/17/2012] [Indexed: 12/12/2022]
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174
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Kimura A, Ishida Y, Inagaki M, Nakamura Y, Sanke T, Mukaida N, Kondo T. Interferon-γ is protective in cisplatin-induced renal injury by enhancing autophagic flux. Kidney Int 2012; 82:1093-104. [DOI: 10.1038/ki.2012.240] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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175
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Grenz A, Kim JH, Bauerle JD, Tak E, Eltzschig HK, Clambey ET. Adora2b adenosine receptor signaling protects during acute kidney injury via inhibition of neutrophil-dependent TNF-α release. THE JOURNAL OF IMMUNOLOGY 2012; 189:4566-73. [PMID: 23028059 DOI: 10.4049/jimmunol.1201651] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Renal ischemia is among the leading causes of acute kidney injury (AKI). Previous studies have shown that extracellular adenosine is a prominent tissue-protective cue elicited during ischemia, including signaling events through the adenosine receptor 2b (Adora2b). To investigate the functional role of Adora2b signaling in cytokine-mediated inflammatory pathways, we screened wild-type and Adora2b-deficient mice undergoing renal ischemia for expression of a range of inflammatory cytokines. These studies demonstrated a selective and robust increase of TNF-α levels in Adora2b-deficient mice following renal ischemia and reperfusion. Based on these findings, we next sought to understand the contribution of TNF-α on ischemic AKI through a combination of loss- and gain-of-function studies. Loss of TNF-α, through either Ab blockade or study of Tnf-α-deficient animals, resulted in significantly attenuated tissue injury and improved kidney function following renal ischemia. Conversely, transgenic mice with overexpression of TNF-α had significantly pronounced susceptibility to AKI. Furthermore, neutrophil depletion or reconstitution of Adora2b(-/-) mice with Tnf-α-deficient neutrophils rescued their phenotype. In total, these data demonstrate a critical role of adenosine signaling in constraining neutrophil-dependent production of TNF-α and implicate therapies targeting TNF-α in the treatment of ischemic AKI.
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Affiliation(s)
- Almut Grenz
- Mucosal Inflammation Program, Department of Anesthesiology, University of Colorado Denver, Aurora, CO 80045, USA
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176
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Reis LA, Borges FT, Simões MJ, Borges AA, Sinigaglia-Coimbra R, Schor N. Bone marrow-derived mesenchymal stem cells repaired but did not prevent gentamicin-induced acute kidney injury through paracrine effects in rats. PLoS One 2012; 7:e44092. [PMID: 22970165 PMCID: PMC3435420 DOI: 10.1371/journal.pone.0044092] [Citation(s) in RCA: 205] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2012] [Accepted: 07/30/2012] [Indexed: 12/14/2022] Open
Abstract
This study evaluated the effects of bone marrow-derived mesenchymal stem cells (BMSCs) or their conditioned medium (CM) on the repair and prevention of Acute Kidney Injury (AKI) induced by gentamicin (G). Animals received daily injections of G up to 20 days. On the 10(th) day, injections of BMSCs, CM, CM+trypsin, CM+RNase or exosome-like microvesicles extracted from the CM were administered. In the prevention groups, the animals received the BMSCs 24 h before or on the 5(th) day of G treatment. Creatinine (Cr), urea (U), FENa and cytokines were quantified. The kidneys were evaluated using hematoxylin/eosin staining and immunohystochemistry. The levels of Cr, U and FENa increased during all the periods of G treatment. The BMSC transplantation, its CM or exosome injections inhibited the increase in Cr, U, FENa, necrosis, apoptosis and also increased cell proliferation. The pro-inflammatory cytokines decreased while the anti-inflammatory cytokines increased compared to G. When the CM or its exosomes were incubated with RNase (but not trypsin), these effects were blunted. The Y chromosome was not observed in the 24-h prevention group, but it persisted in the kidney for all of the periods analyzed, suggesting that the injury is necessary for the docking and maintenance of BMSCs in the kidney. In conclusion, the BMSCs and CM minimized the G-induced renal damage through paracrine effects, most likely through the RNA carried by the exosome-like microvesicles. The use of the CM from BMSCs can be a potential therapeutic tool for this type of nephrotoxicity, allowing for the avoidance of cell transplantations.
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Affiliation(s)
- Luciana A. Reis
- Nephrology Division, Department of Medicine, UNIFESP/EPM, São Paulo, Brazil
| | - Fernanda T. Borges
- Nephrology Division, Department of Medicine, UNIFESP/EPM, São Paulo, Brazil
| | - Manuel J. Simões
- Histology and Biology Structural Division, Morphology Department, UNIFESP/EPM, São Paulo, Brazil
| | | | | | - Nestor Schor
- Nephrology Division, Department of Medicine, UNIFESP/EPM, São Paulo, Brazil
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177
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Skelhorne-Gross G, Nicol CJB. The Key to Unlocking the Chemotherapeutic Potential of PPARγ Ligands: Having the Right Combination. PPAR Res 2012; 2012:946943. [PMID: 22966225 PMCID: PMC3395155 DOI: 10.1155/2012/946943] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2012] [Accepted: 03/14/2012] [Indexed: 01/03/2023] Open
Abstract
Despite extensive preclinical evidence that peroxisome proliferator-activated receptor (PPAR)γ activation protects against tumourigenesis, results from a few clinical trials using PPARγ ligands as monotherapy show modest success. In spite of this, several groups reported exciting results with therapeutic regimens that combine PPARγ ligands with other compounds: chemotherapeutic agents, retinoid x receptor (RXR)α agonists, statins, or cell-to-cell signaling molecules in preclinical cancer models and human trials. Here we have compiled an extensive review, consolidating the existing literature, which overwhelmingly supports a beneficial effect of treating with PPARγ ligands in combination with existing chemotherapies versus their monotherapy in cancer. There are many examples in which combination therapy resulted in synergistic/additive effects on apoptosis, differentiation, and the ability to reduce cell growth and tumour burden. There are also studies that indicate that PPARγ ligand pretreatment overcomes resistance and reduces toxicities. Several mechanisms are explored to explain these protective effects. This paper highlights each of these studies that, collectively, make a very strong case for the use of PPARγ ligands in combination with other agents in the treatment and management of several cancers.
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Affiliation(s)
- Graham Skelhorne-Gross
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, ON, Canada K7L 3N6
- Cancer Biology and Genetics Division, Cancer Research Institute, Queen's University, Kingston, ON, Canada K7L 3N6
| | - Christopher J. B. Nicol
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, ON, Canada K7L 3N6
- Cancer Biology and Genetics Division, Cancer Research Institute, Queen's University, Kingston, ON, Canada K7L 3N6
- Department of Biomedical and Molecular Sciences (Pharmacology and Toxicology), Queen's University, Kingston, ON, Canada K7L 3N6
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178
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Liu Y, Webb HK, Fukushima H, Micheli J, Markova S, Olson JL, Kroetz DL. Attenuation of cisplatin-induced renal injury by inhibition of soluble epoxide hydrolase involves nuclear factor κB signaling. J Pharmacol Exp Ther 2012; 341:725-34. [PMID: 22414856 PMCID: PMC3362876 DOI: 10.1124/jpet.111.191247] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2011] [Accepted: 03/12/2012] [Indexed: 01/14/2023] Open
Abstract
Acute kidney injury is associated with a significant inflammatory response that has been the target of renoprotection strategies. Epoxyeicosatrienoic acids (EETs) are anti-inflammatory cytochrome P450-derived eicosanoids that are abundantly produced in the kidney and metabolized by soluble epoxide hydrolase (sEH; Ephx2) to less active dihydroxyeicosatrienoic acids. Genetic disruption of Ephx2 and chemical inhibition of sEH were used to test whether the anti-inflammatory effects of EETs, and other lipid epoxide substrates of sEH, afford protection against cisplatin-induced nephrotoxicity. EET hydrolysis was significantly reduced in Ephx2(-/-) mice and was associated with an attenuation of cisplatin-induced increases in serum urea nitrogen and creatinine levels. Histological evidence of renal tubular damage and neutrophil infiltration was also reduced in the Ephx2(-/-) mice. Likewise, cisplatin had no effect on renal function, neutrophil infiltration, or tubular structure and integrity in mice treated with the potent sEH inhibitor 1-adamantan-1-yl-3-(1-methylsulfonyl-piperidin-4-yl-urea) (AR9273). Consistent with the ability of EETs to interfere with nuclear factor-κB (NF-κB) signaling, the observed renoprotection was associated with attenuation of renal NF-κB activity and corresponding decreases in the expression of tumor necrosis factor (TNF) α, TNF receptor (TNFR) 1, TNFR2, and intercellular adhesive molecule-1 before the detection of tubular injury. These data suggest that EETs or other fatty acid epoxides can attenuate cisplatin-induced kidney injury and sEH inhibition is a novel renoprotective strategy.
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Affiliation(s)
- Yingmei Liu
- Department of Bioengineering, University of California, San Francisco, San Francisco, CA 94158, USA
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179
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Okui S, Yamamoto H, Li W, Gamachi N, Fujita Y, Kashiwamura SI, Miura D, Takai S, Miyazaki M, Urade M, Okamura H, Ueda H. Cisplatin-induced acute renal failure in mice is mediated by chymase-activated angiotensin-aldosterone system and interleukin-18. Eur J Pharmacol 2012; 685:149-55. [PMID: 22543082 DOI: 10.1016/j.ejphar.2012.04.027] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2011] [Revised: 03/25/2012] [Accepted: 04/05/2012] [Indexed: 02/04/2023]
Abstract
Mechanism(s) of cisplatin-induced acute renal failure, as manifested by increases in blood urea nitrogen and creatinine, was evaluated in relation to production and activation of endogenous mediator(s) in mice. In interleukin (IL)-18-deficient (IL-18KO) mice, cisplatin failed to induce acute renal failure. Administration of recombinant IL-18 prior to cisplatin restored acute renal failure in IL-18KO mice. Accumulation of cisplatin in the kidney was not different in IL-18KO and wild-type (WT) mice, but, clearance of cisplatin was more rapid in IL-18KO mice than in WT mice. Cisplatin increased serum levels of aldosterone and angiotensin II in WT mice, but only angiotensin II levels in IL-18 KO mice. Administration of IL-18 augmented plasma levels of aldosterone and angiotensin II in WT mice. Eplerenone, an aldosterone receptor blocker, TY-51469, a chymase inhibitor and PD123319, a selective angiotensin II type 2 (AT2) receptor antagonist, but not benazepril, an angiotensin-converting enzyme inhibitor, and candesartan, a selective angiotensin II type 1 (AT1) receptor antagonist improved acute renal failure caused by cisplatin, confirming involvement of IL-18, aldosterone and angiotensin II in cisplatin-induced, chymase-dependent acute renal failure in mice. These results show that IL-18, aldosterone and angiotensin II synergistically act to prolong the accumulation of cisplatin in the kidney, leading to acute renal failure. Combined therapy with inhibitors for chymase and aldosterone receptors or AT2 receptors might reduce acute renal failure induced by cisplatin.
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Affiliation(s)
- Shin Okui
- Department of Oral and Maxillofacial Surgery, Hyogo College of Medicine, 1-1 Mukogawa-cho, Nishinomiya 663-8131, Hyogo, Japan
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180
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Zsengellér ZK, Ellezian L, Brown D, Horváth B, Mukhopadhyay P, Kalyanaraman B, Parikh SM, Karumanchi SA, Stillman IE, Pacher P. Cisplatin nephrotoxicity involves mitochondrial injury with impaired tubular mitochondrial enzyme activity. J Histochem Cytochem 2012; 60:521-9. [PMID: 22511597 DOI: 10.1369/0022155412446227] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Cisplatin is a widely used antineoplastic agent. However, its major limitation is dose-dependent nephrotoxicity whose precise mechanism is poorly understood. Recent studies have suggested that mitochondrial dysfunction in tubular epithelium contributes to cisplatin-induced nephrotoxicity. Here the authors extend those findings by describing the role of an important electron transport chain enzyme, cytochrome c oxidase (COX). Immunohistochemistry for COX 1 protein demonstrated that, in response to cisplatin, expression was mostly maintained in focally damaged tubular epithelium. In contrast, COX enzyme activity in proximal tubules (by light microscopy) was decreased. Ultrastructural analysis of the cortex and outer stripe of the outer medulla showed decreased mitochondrial mass, disruption of cristae, and extensive mitochondrial swelling in proximal tubular epithelium. Functional electron microscopy showed that COX enzyme activity was decreased in the remaining mitochondria in the proximal tubules but maintained in distal tubules. In summary, cisplatin-induced nephrotoxicity is associated with structural and functional damage to the mitochondria. More broadly, using functional electron microscopy to measure mitochondrial enzyme activity may generate mechanistic insights across a spectrum of renal disorders.
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Affiliation(s)
- Zsuzsanna K Zsengellér
- Department of Pathology, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA.
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181
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Abstract
Diabetic nephropathy (DN), the most common cause of end-stage renal disease (ESRD), is increasingly considered an inflammatory process characterized by leukocyte infiltration at every stage of renal involvement. Cytokines act as pleiotropic polypeptides that regulate inflammatory and immune responses, providing important signals in the pathologic and physiologic processes. Inflammation and activation of the immune system are closely involved in the pathogenesis of diabetes and its microvascular complications. Proinflammatory, Th1, Th2, and Th17 cytokines, as well as TGF-beta, all take part in the development and progression of DN. Gene polymorphism of cytokines and their receptors may have functional variations and can be applied to predict the susceptibility and progression to DN. Improved knowledge on recognizing cytokines as significant pathogenic mediators in DN leaves opens the possibility of new potential therapeutic agents for future clinical treatments.
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Affiliation(s)
- Chia-Chao Wu
- Division of Nephrology, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
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182
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Kim J, Long KE, Tang K, Padanilam BJ. Poly(ADP-ribose) polymerase 1 activation is required for cisplatin nephrotoxicity. Kidney Int 2012; 82:193-203. [PMID: 22437413 DOI: 10.1038/ki.2012.64] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Apoptosis, necrosis, and inflammation are hallmarks of cisplatin nephrotoxicity; however, the role and mechanisms of necrosis and inflammation remains undefined. As poly(ADP-ribose) polymerase 1 (PARP1) inhibition or its gene deletion is renoprotective in several renal disease models, we tested whether its activation may be involved in cisplatin nephrotoxicity. Parp1 deficiency was found to reduce cisplatin-induced kidney dysfunction, oxidative stress, and tubular necrosis, but not apoptosis. Moreover, neutrophil infiltration, activation of nuclear factor-κB, c-Jun N-terminal kinases, p38 mitogen-activated protein kinase, and upregulation of proinflammatory genes were all abrogated by Parp1 deficiency. Using proximal tubule epithelial cells isolated from Parp1-deficient and wild-type mice and pharmacological inhibitors, we found evidence for a PARP1/Toll-like receptor 4/p38/tumor necrosis factor-α axis following cisplatin injury. Furthermore, pharmacological inhibition of PARP1 protected against cisplatin-induced kidney structural/functional damage and inflammation. Thus, our findings suggest that PARP1 activation is a primary signal and its inhibition/loss protects against cisplatin-induced nephrotoxicity. Targeting PARP1 may offer a potential therapeutic strategy for cisplatin nephrotoxicity.
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Affiliation(s)
- Jinu Kim
- Department of Cellular and Integrative Physiology, University of Nebraska Medical Center, Omaha, NE 68198-5850, USA
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183
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DR3 signaling protects against cisplatin nephrotoxicity mediated by tumor necrosis factor. THE AMERICAN JOURNAL OF PATHOLOGY 2012; 180:1454-64. [PMID: 22330679 DOI: 10.1016/j.ajpath.2012.01.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2011] [Revised: 12/20/2011] [Accepted: 01/03/2012] [Indexed: 11/22/2022]
Abstract
The expression of death receptor 3 (DR3), a member of the tumor necrosis factor (TNF) receptor superfamily, is up-regulated in human tubular epithelial cells (TECs) during renal injury, but its function in this setting remains unknown. We used cisplatin to induce renal injury in wild-type (DR3(+/+)) or congenitally deficient DR3(-/-) mice to examine the in vivo role of DR3. Cisplatin induced the expression of DR3, its ligand, TNF-like ligand 1A (TL1A), and TNF in TECs, as observed in human renal injury. Cisplatin increased apoptotic death of DR3(-/-) TECs by twofold compared with DR3(+/+) TECs, whereas it reduced the number of tubules expressing phospho-NF-κBp65(Ser276) by 50% at 72 hours. Similar degrees of induction of DR3, TL1A, and TNF, and changes in apoptosis and phospho-NF-κBp65(Ser276), were obtained in mouse kidney organ cultures treated with cisplatin for 3 hours, suggesting a direct effect on TECs. TNF was implicated in mediating cisplatin-induced tubular damage given that the in vivo co-administration of GM6001, an inhibitor of TNF maturation and release, significantly reduced TNF production and tubular damage. Moreover, TNF exacerbated, whereas TL1A reduced, cisplatin-induced apoptosis in the DR3(+/+) mouse proximal tubule cell line, TKPTS. Our data demonstrate that cisplatin-induced nephrotoxicity is mitigated by DR3 signaling, suggesting that this occurs by antagonizing pro-apoptotic signals induced by TNF. Therefore, activating DR3 may be beneficial in reducing acute kidney injury.
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184
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Pabla N, Dong Z. Curtailing side effects in chemotherapy: a tale of PKCδ in cisplatin treatment. Oncotarget 2012; 3:107-11. [PMID: 22403741 PMCID: PMC3292897 DOI: 10.18632/oncotarget.439] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2012] [Accepted: 01/30/2012] [Indexed: 12/21/2022] Open
Abstract
The efficacy of chemotherapy is often limited by side effects in normal tissues. This is exemplified by cisplatin, a widely used anti-cancer drug that may induce serious toxicity in normal tissues and organs including the kidneys. Decades of research have delineated multiple signaling pathways that lead to kidney cell injury and death during cisplatin treatment. However, the same signaling pathways may also be activated in cancer cells and be responsible for the chemotherapeutic effects of cisplatin in tumors and, as a result, blockade of these pathways is expected to reduce the side effects as well as the anti-cancer efficacy. Thus, to effectively curtail the side effects, it is imperative to elucidate and target the cell killing mechanisms that are specific to normal (and not cancer) tissues. Our recent work identified protein kinase C δ (PKCδ) as a new and critical mediator of cisplatin-induced kidney cell injury and death. Importantly, inhibition of PKCδ enhanced the chemotherapeutic effects of cisplatin in several tumor models while alleviating the side effect in kidneys, opening a new avenue for normal tissue protection during chemotherapy.
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Affiliation(s)
- Navjotsingh Pabla
- Department of Cellular Biology and Anatomy, Medical College of Georgia, Georgia Health Sciences University and Charlie Norwood Veterans Affairs Medical Center, Augusta, GA 30912, USA
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185
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Mukhopadhyay P, Horváth B, Zsengellér Z, Zielonka J, Tanchian G, Holovac E, Kechrid M, Patel V, Stillman IE, Parikh SM, Joseph J, Kalyanaraman B, Pacher P. Mitochondrial-targeted antioxidants represent a promising approach for prevention of cisplatin-induced nephropathy. Free Radic Biol Med 2012; 52:497-506. [PMID: 22120494 PMCID: PMC3253235 DOI: 10.1016/j.freeradbiomed.2011.11.001] [Citation(s) in RCA: 158] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2011] [Revised: 10/23/2011] [Accepted: 11/03/2011] [Indexed: 02/04/2023]
Abstract
Cisplatin is a widely used antineoplastic agent; however, its major limitation is the development of dose-dependent nephrotoxicity whose precise mechanisms are poorly understood. Here we show not only that mitochondrial dysfunction is a feature of cisplatin nephrotoxicity, but also that targeted delivery of superoxide dismutase mimetics to mitochondria largely prevents the renal effects of cisplatin. Cisplatin induced renal oxidative stress, deterioration of mitochondrial structure and function, an intense inflammatory response, histopathological injury, and renal dysfunction. A single systemic dose of mitochondrially targeted antioxidants, MitoQ or Mito-CP, dose-dependently prevented cisplatin-induced renal dysfunction. Mito-CP also prevented mitochondrial injury and dysfunction, renal inflammation, and tubular injury and apoptosis. Despite being broadly renoprotective against cisplatin, Mito-CP did not diminish cisplatin's antineoplastic effect in a human bladder cancer cell line. Our results highlight the central role of mitochondrially generated oxidants in the pathogenesis of cisplatin nephrotoxicity. Because similar compounds seem to be safe in humans, mitochondrially targeted antioxidants may represent a novel therapeutic approach against cisplatin nephrotoxicity.
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Affiliation(s)
- Partha Mukhopadhyay
- Laboratory of Physiologic Studies, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD 20892, USA
| | - Béla Horváth
- Laboratory of Physiologic Studies, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD 20892, USA
| | - Zsuzsanna Zsengellér
- Department of Pathology, Beth Israel Deaconess Medical Center, and Harvard Medical School, Boston, Massachusetts 02215, USA
| | - Jacek Zielonka
- Free Radical Research Center, Biophysics Department, Medical College of Wisconsin, Milwaukee, WI 53226
| | - Galin Tanchian
- Laboratory of Physiologic Studies, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD 20892, USA
| | - Eileen Holovac
- Laboratory of Physiologic Studies, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD 20892, USA
| | - Malek Kechrid
- Laboratory of Physiologic Studies, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD 20892, USA
| | - Vivek Patel
- Laboratory of Physiologic Studies, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD 20892, USA
| | - Isaac E. Stillman
- Department of Pathology, Beth Israel Deaconess Medical Center, and Harvard Medical School, Boston, Massachusetts 02215, USA
| | - Samir M. Parikh
- Division of Nephrology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts 02215 USA
| | - Joy Joseph
- Free Radical Research Center, Biophysics Department, Medical College of Wisconsin, Milwaukee, WI 53226
| | - Balaraman Kalyanaraman
- Free Radical Research Center, Biophysics Department, Medical College of Wisconsin, Milwaukee, WI 53226
| | - Pál Pacher
- Laboratory of Physiologic Studies, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD 20892, USA
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186
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Nakamura Y. Retracted: Modulation of p53 /Akt / phosphatase and tensin homolog expression by esculetin potentiates the anticancer activity of cisplatin and prevents its nephrotoxicity. Cancer Sci 2012; 103:154. [PMID: 21895873 PMCID: PMC11164170 DOI: 10.1111/j.1349-7006.2011.02091.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
This article has been retracted at the request of Editor‐in‐Chief and Authors, and is available online only. The following article from Cancer Science , ‘Modulation of p53/Akt/phosphatase and tensin homolog expression by esculetin potentiates the anticancer activity of cisplatin and prevents its nephrotoxicity’ (doi: 10.1111/j.1349‐7006.2011.02091.x), by Kulbhushan Tikoo, Abhijit Babaji Shinde, Chanchal Gupta and Gopabandhu Jena, published online on 18 October 2011 in Wiley Online Library (http://onlinelibrary.wiley.com ), has been retracted by agreement between the authors, the journal Editor in Chief, Yusuke Nakamura, and Blackwell Publishing Asia Pty Ltd. The retraction has been agreed due to inappropriate image utilization in relation to Figure 2. Yusuke Nakamura
Editor‐in‐Chief
Cancer Science
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187
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Kim JH, Park DJ, Yun JC, Jung MH, Yeo HD, Kim HJ, Kim DW, Yang JI, Lee GW, Jeong SH, Roh GS, Chang SH. Human adipose tissue-derived mesenchymal stem cells protect kidneys from cisplatin nephrotoxicity in rats. Am J Physiol Renal Physiol 2011; 302:F1141-50. [PMID: 22205231 DOI: 10.1152/ajprenal.00060.2011] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Cisplatin has multiple cellular targets and modes of action that lead to nephrotoxicity. This suggests novel therapies that act at multiple cisplatin target sites may be effective. We tested whether human adipose tissue-derived mesenchymal stem cells (Ad-MSCs) can affect multiple target sites and protect against cisplatin-induced kidney damage. Rats were divided into four groups: control, infused with Ad-MSCs, injected with cisplatin, and cisplatin followed by infusion of Ad-MSCs. Animal survival and renal function were decreased and histological damage was increased in cisplatin-treated rats at day 3. Infusion of Ad-MSCs ameliorated renal dysfunction and tissue injury caused by cisplatin, leading to increased survival. Apoptotic cell death in the kidney was significantly reduced by infusion of Ad-MSCs. Activation of p53, JNK, and ERK and the expression of inflammation-related molecules were also decreased in the kidney that received Ad-MSCs. Very few Ad-MSCs were detected in the kidney. Conditioned medium from cultured Ad-MSCs had renal-protective functions in vivo and in vitro. Renal dysfunction and tissue damage caused by cisplatin were significantly reduced in rats treated with Ad-MSCs-conditioned medium. The viability of cultured renal proximal tubular cells exposed to cisplatin was also improved by coculture with Ad-MSCs or with conditioned medium. Release of proinflammatory mediators induced by cisplatin was inhibited in coculture with Ad-MSCs. Our results show that human Ad-MSCs exert a paracrine-protective effect on cisplatin nephrotoxicity at multiple target sites and suggest that human Ad-MSCs might be a new therapeutic approach for patients with acute kidney injury.
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Affiliation(s)
- Jin Hyun Kim
- Clinical Research Institute, Gyeongsang National University Hospital, Gyeongsang National University, Gyeongnam, Republic of Korea
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188
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Yamashita T, Fujimiya M, Nagaishi K, Ataka K, Tanaka M, Yoshida H, Tsuchihashi K, Shimamoto K, Miura T. Fusion of bone marrow-derived cells with renal tubules contributes to renal dysfunction in diabetic nephropathy. FASEB J 2011; 26:1559-68. [PMID: 22198389 DOI: 10.1096/fj.11-183194] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Although diabetic nephropathy (DN) is a major cause of end-stage renal disease, the mechanism of dysfunction has not yet been clarified. We previously reported that in diabetes proinsulin-producing bone marrow-derived cells (BMDCs) fuse with hepatocytes and neurons. Fusion cells are polyploidy and produce tumor necrosis factor (TNF)-α, ultimately causing diabetic complications. In this study, we assessed whether the same mechanism is involved in DN. We performed bone marrow transplantation from male GFP-Tg mice to female C57BL/6J mice and produced diabetes by streptozotocin (STZ) or a high-fat diet. In diabetic kidneys, massive infiltration of BMDCs and tubulointerstitial injury were prominent. BMDCs and damaged tubular epithelial cells were positively stained with proinsulin and TNF-α. Cell fusion between BMDCs and renal tubules was confirmed by the presence of Y chromosome. Of tubular epithelial cells, 15.4% contain Y chromosomes in STZ-diabetic mice, 8.6% in HFD-diabetic mice, but only 1.5% in nondiabetic mice. Fusion cells primarily expressed TNF-α and caspase-3 in diabetic kidney. These in vivo findings were confirmed by in vitro coculture experiments between isolated renal tubular cells and BMDCs. It was concluded that cell fusion between BMDCs and renal tubular epithelial cells plays a crucial role in DN.
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Affiliation(s)
- Tomohisa Yamashita
- Second Department of Internal Medicine, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan
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189
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Jing-chun H, Da-lian D, Dong-zhen Y, Hai-yan J, Shan-kai Y, Salvi R. Modulation of copper transporters in protection against cisplatin-induced cochlear hair cell damage. J Otol 2011. [DOI: 10.1016/s1672-2930(11)50022-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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190
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Summers SA, Chan J, Gan PY, Dewage L, Nozaki Y, Steinmetz OM, Nikolic-Paterson DJ, Kitching AR, Holdsworth SR. Mast cells mediate acute kidney injury through the production of TNF. J Am Soc Nephrol 2011; 22:2226-36. [PMID: 22021718 DOI: 10.1681/asn.2011020182] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Leukocyte recruitment contributes to acute kidney injury (AKI), but the mechanisms by which leukocytes promote injury are not completely understood. The degranulation of mast cells releases inflammatory molecules, including TNF, but whether these cells participate in the pathogenesis of AKI is unknown. Here, we induced AKI with cisplatin in mast cell-deficient and wild-type mice. Compared with wild-type mice, deficiency of mast cells attenuated renal injury, reduced serum levels of TNF, and reduced recruitment of leukocytes to the inflamed kidney. Mast cell-deficient mice also exhibited significantly lower intrarenal expression of leukocyte chemoattractants. Mast cell-deficient mice reconstituted with mast cells from wild-type mice exhibited similar cisplastin-induced renal damage and serum levels of TNF as wild-type mice. In contrast, mast cell-deficient mice reconstituted with mast cells from TNF-deficient mice continued to demonstrate significant attenuation of cisplatin-induced renal injury. Furthermore, the mast-cell stabilizer sodium chromoglycate also significantly abrogated renal injury in this model of AKI. Taken together, these results suggest that mast cells mediate AKI through the production of TNF.
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Affiliation(s)
- Shaun A Summers
- Centre for Inflammatory Diseases, Department of Medicine, Monash University, 246 Clayton Road, Clayton, VIC 3168, Australia
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191
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Abstract
Current interventions for the treatment of acute kidney injury (AKI) are not satisfactory, and it is time to approach new strategies in order to definitely take a step forward. At its beginning, cell therapy was innovative and promising. We have shown that mesenchymal stem cells (MSCs), isolated from human and murine bone marrow (BM), behave as an efficacious tool for the treatment of cisplatin-induced AKI in mice in terms of amelioration of renal function and structure, and animal survival. Although the mechanism has not been completely elucidated, we have provided data showing that BM-MSC-mediated renal recovery involves the release at the site of injury of the growth factor, insulin-like growth factor-1. Several biological effects have been observed in renal tissues of mice treated with BM-MSCs, including increased cell proliferation, hemodynamic changes, and cell apoptosis reduction. In the same experimental model, we have tested the effect of MSCs isolated from cord blood (CB-MSCs), which, similar to BM-MSCs, not only ameliorated renal function but also protected animals from death to a remarkably higher extent. Animals receiving CB-MSCs showed reduction of oxidative stress and activation of AKT prosurvival pathway in tubular cells. These results hold great promise for future studies in patients with AKI.
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192
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Sánchez-González PD, López-Hernández FJ, López-Novoa JM, Morales AI. An integrative view of the pathophysiological events leading to cisplatin nephrotoxicity. Crit Rev Toxicol 2011; 41:803-21. [DOI: 10.3109/10408444.2011.602662] [Citation(s) in RCA: 164] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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193
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KIM HYERYOUN, LEE MIKYUNG, PARK AEJA, PARK EONSEOB, KIM DONGSEOK, AHN JIHYUN, KIM JAETACK, KIM SUHYUN, OH DONGJIN. Reduction of natural killer and natural killer T cells is not protective in cisplatin-induced acute renal failure in mice. Nephrology (Carlton) 2011; 16:545-51. [DOI: 10.1111/j.1440-1797.2011.01473.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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194
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Fukuhara Y, Tsuchiya K, Horinouchi Y, Tajima S, Kihira Y, Hamano S, Kawazoe K, Ikeda Y, Ishizawa K, Tomita S, Tamaki T. Protective effect of photodegradation product of nifedipine against tumor necrosis factor alpha-induced oxidative stress in human glomerular endothelial cells. THE JOURNAL OF MEDICAL INVESTIGATION 2011; 58:118-26. [PMID: 21372496 DOI: 10.2152/jmi.58.118] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Recently, increasing evidence suggests that the antihypertensive drug nifedipine acts as a protective agent for endothelial cells, and that the activity is unrelated to its calcium channel blocking. Nitrosonifedipine (NO-NIF) is metabolically and photochemically produced from nifedipine, and NO-NIF has been recognized as a contaminant of nifedipine because it has no antihypertensive effect. Treatment of tumor necrosis factor-α (TNF-α) suppressed the cell viability and facilitated the expression of Inter-Cellular Adhesion Molecule 1(ICAM-1) in human glomerular endothelial cells (HGECs) though, pretreatment of NO-NIF significantly recovered the TNF-α-induced cell damage to the same extent as Trolox-C did, and suppressed the ICAM-1 expression in a concentration dependent manner. In addition, NO-NIF inhibited the cell toxicity induced by cumene hydroperoxide, which hampers the integrity of cell membrane through oxidative stress, as effective as Trolox-c. These data suggest that NO-NIF is a candidate for a new class of antioxidative drug that protect cells against oxidative stress in glomerular endothelial cells.
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Affiliation(s)
- Yayoi Fukuhara
- Department of Pharmacology, Institute of Health Bioscience, University of Tokushima Graduate School, Tokushima, Japan
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195
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Ali BH, Abdelrahman AM, Al-Salam S, Sudhadevi M, AlMahruqi AS, Al-Husseni IS, Beegam S, Dhanasekaran S, Nemmar A, Al-Moundhri M. The effect of sildenafil on cisplatin nephrotoxicity in rats. Basic Clin Pharmacol Toxicol 2011; 109:300-8. [PMID: 21575139 DOI: 10.1111/j.1742-7843.2011.00724.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Sildenafil, the first drug for erectile dysfunction, has cardiopulmonary protective actions. A recent study has reported that sildenafil given intraperitoneally (i.p.) attenuated cisplatin (CP)-induced nephrotoxicity. Here, we evaluated whether sildenafil, given by two different routes and at two different doses, can attenuate CP-induced nephrotoxicity and would also affect renal haemodynamics in CP-treated rats. Six groups of rats were treated with saline (controls), CP [5 mg/kg, intraperitoneally (i.p.) once], sildenafil (0.4 mg/kg/day, i.p. for 5 days), sildenafil (0.4 mg/kg/day i.p. for 5 days) plus CP (5 mg/kg, i.p., once), sildenafil [10 mg/kg/day, subcutaneous (s.c.) for 5 days] or sildenafil (10 mg/kg/day, s.c. for 5 days) plus CP (5 mg/kg, i.p. once). Five days after the end of the treatments, urine was collected from all rats, which were then anaesthetized for blood pressure and renal blood flow monitoring. This was followed by intravenous (i.v.) injection of norepinephrine for the measurement of renal vasoconstrictor responses. Thereafter, blood and kidneys were collected for measurement of several biochemical, functional and structural parameters. CP reduced body-weight and renal blood flow but did not affect norepinephrine-induced renal vasoconstriction. It increased the plasma concentrations of urea and creatinine, and reduced creatinine clearance. CP caused extensive renal tubular necrosis, increased urine volume and N-acetyl-β-D-glucosaminidase activity. When sildenafil (0.4 mg/kg/day, i.p. for 5 days) was combined with cisplatin, there was a dramatic improvement in renal histopathology, reduction in N-acetyl-β-D-glucosaminidase and increase in renal blood flow. However, sildenafil (10 mg/kg/day, s.c. for 5 days) did not affect CP nephrotoxicity, suggesting the importance of dose and route selection of sildenafil as a nephroprotectant.
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Affiliation(s)
- Badreldin H Ali
- Department of Pharmacology and Clinical Pharmacy, College of Medicine and Health Sciences, Sultan Qaboos University, Al-Khod, Sultanate of Oman
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196
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Lee JW, Nam WJ, Han MJ, Shin JH, Kim JG, Kim SH, Kim HR, Oh DJ. Role of IL-1α in cisplatin-induced acute renal failure in mice. Korean J Intern Med 2011; 26:187-94. [PMID: 21716595 PMCID: PMC3110851 DOI: 10.3904/kjim.2011.26.2.187] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2010] [Revised: 10/05/2010] [Accepted: 10/07/2010] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND/AIMS For unknown reasons, caspase-1 -/- mice, protected against cisplatin-induced acute renal failure (ARF), are deficient in interleukin (IL)-1α. We thus asked whether IL-1α deficiency underlies the mechanism of protection against cisplatin-induced ARF in these mice. METHODS Cisplatin (30 mg/kg) was injected intraperitoneally into wild-type C57BL/6 mice to produce a cisplatin-induced model of ARF. IL-1α was measured in control vehicle- and cisplatin-treated wild-type animals. We also examined whether IL-1α -/- mice were similarly protected against cisplatin-induced ARF. Additionally, infiltration of CD11b- and CD49b-positive cells, as markers of macrophages, natural killer, and natural killer T cells (pan-NK cells), was investigated in wild-type and IL-1α -/- mice. RESULTS Compared with vehicle-treated mice, renal IL-1α increased in cisplatin-treated wild-type mice beginning on day 1. IL-1α -/- mice were shown to be protected against cisplatin-induced ARF. No significant difference in the infiltration of neutrophils or CD11b- and CD49b-positive cells were observed between wild-type and IL-1α -/- mice. CONCLUSIONS Mice deficient in IL-1α are protected against cisplatin-induced ARF. The lack of IL-1α may explain, at least in part, the protection against cisplatin-induced ARF observed in caspase-1 -/- mice. Investigation of the protective mechanism (s) in IL-1α -/- mice in cisplatin-induced ARF merits further study.
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Affiliation(s)
- Jay-Wook Lee
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea
| | - Woo-Jin Nam
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea
| | - Min-Jee Han
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea
| | - Jung-Ho Shin
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea
| | - Jin-Gun Kim
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea
| | - Su-Hyun Kim
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea
| | - Hye-Ryoun Kim
- Department of Laboratory Medicine, Chung-Ang University College of Medicine, Seoul, Korea
| | - Dong-Jin Oh
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea
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197
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Sanchez-Gonzalez PD, Lopez-Hernandez FJ, Perez-Barriocanal F, Morales AI, Lopez-Novoa JM. Quercetin reduces cisplatin nephrotoxicity in rats without compromising its anti-tumour activity. Nephrol Dial Transplant 2011; 26:3484-95. [DOI: 10.1093/ndt/gfr195] [Citation(s) in RCA: 111] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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198
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Tusgaard B, Nørregaard R, Jensen AM, Wang G, Topcu SO, Wang Y, Nielsen S, Frøkiaer J. Cisplatin decreases renal cyclooxygenase-2 expression and activity in rats. Acta Physiol (Oxf) 2011; 202:79-90. [PMID: 21272267 DOI: 10.1111/j.1748-1716.2011.02257.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
AIM Cisplatin (CP) induced acute renal failure (ARF) has previously been associated with decreased urinary prostaglandin E2 (PGE2) excretion and reduced aquaporin 2 (AQP2) expression in kidney collecting duct. In this study we examined the expression of cyclooxygenase (COX)-1 and -2 as well as AQP2 and the Na-K-2Cl cotransporter in kidneys from rats with CP induced ARF. METHODS Rats were treated with either CP or saline and followed for 5 days. Kidneys were dissected into three zones and prepared for immunoblotting, quantitative polymerase chain reaction (QPCR) and immunohistochemistry. Renal content and urinary PGE2 excretion was measured. RESULTS Cisplatin treatment was associated with polyuria and a significant decreased creatinine clearance. Inner medullary PGE2 content and urinary PGE2 excretion was decreased in CP-treated rats. QPCR and semiquatitative immunoblotting demonstrated that CP treatment reduced COX-2, AQP2 and Na-K-2Cl cotransporter abundance in the different kidney zones, whereas no change in COX-1 was observed. Results were confirmed by immunohistochemistry. CONCLUSION Cyclooxygenase-2 expression is decreased in inner medulla and cortex. Consistent with this urinary PGE2 levels were reduced. These data suggest that downregulation of COX-2 is responsible for impaired de novo generation of vasodilatory prostaglandins which may play an important role for the CP induced renal vasoconstriction and development of nephropathy.
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Affiliation(s)
- B Tusgaard
- The Water and Salt Research Center, University of Aarhus, Denmark
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199
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Sancho-Martínez SM, Piedrafita FJ, Cannata-Andía JB, López-Novoa JM, López-Hernández FJ. Necrotic concentrations of cisplatin activate the apoptotic machinery but inhibit effector caspases and interfere with the execution of apoptosis. Toxicol Sci 2011; 122:73-85. [PMID: 21527773 DOI: 10.1093/toxsci/kfr098] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Cisplatin is a chemotherapeutic drug whose cytotoxicity is key to its therapeutic and side effects. Nephrotoxicity, mainly due to renal tubular injury, poses its most important therapeutic limitation. Tubular necrosis is derived from epithelial cell death by apoptosis and necrosis in the proximal and distal tubuli. The mode of cell death has been related to drug concentration, with necrosis occurring with high concentrations and apoptosis with lower concentrations. To fully understand the toxic effects of cisplatin to potentially improve its pharmaco-toxicological profile, it is necessary to unravel the cellular events and signaling pathways implicated in the appearance of both modes of cell death. We used cultured human lymphoma and renal tubule cells to investigate the biochemical and phenotypic characteristics of the death mode induced by increasing concentrations of cisplatin. Our results indicate that pronecrotic concentrations of cisplatin early activate the apoptotic machinery, which is in turn directly blocked by cisplatin at the level of effector caspases. Aborted apoptosis induces a death phenotype lacking some typical characteristics of this process, which more closely resembles necrosis. Furthermore, unidentified Bcl-2- and mitochondria-independent pathways are induced by pronecrotic and not by proapoptotic concentrations of cisplatin. Cisplatin-induced cell necrosis is the result of an aborted apoptosis at the level of effector caspases. Yet, Bcl-2-independent effects lead to cell death, which may pose potential targets for pharmacological intervention aimed at reducing cisplatin nephrotoxicity.
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Affiliation(s)
- Sandra M Sancho-Martínez
- Unidad de Fisiopatología Renal y Cardiovascular, Departamento de Fisiología y Farmacología, Universidad de Salamanca, Salamanca, Spain
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200
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CD4+CD25+ regulatory T cells attenuate cisplatin-induced nephrotoxicity in mice. Kidney Int 2010; 78:1100-9. [DOI: 10.1038/ki.2010.139] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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