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Dewaeles E, Carvalho K, Fellah S, Sim J, Boukrout N, Caillierez R, Ramakrishnan H, Van der Hauwaert C, Vijaya Shankara J, Martin N, Massri N, Launay A, Folger JK, de Schutter C, Larrue R, Loison I, Goujon M, Jung M, Le Gras S, Gomez-Murcia V, Faivre E, Lemaire J, Garat A, Beauval N, Maboudou P, Gnemmi V, Gibier JB, Buée L, Abbadie C, Glowacki F, Pottier N, Perrais M, Cunha RA, Annicotte JS, Laumet G, Blum D, Cauffiez C. Istradefylline protects from cisplatin-induced nephrotoxicity and peripheral neuropathy while preserving cisplatin antitumor effects. J Clin Invest 2022; 132:152924. [PMID: 36377661 PMCID: PMC9663157 DOI: 10.1172/jci152924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 09/13/2022] [Indexed: 11/16/2022] Open
Abstract
Cisplatin is a potent chemotherapeutic drug that is widely used in the treatment of various solid cancers. However, its clinical effectiveness is strongly limited by frequent severe adverse effects, in particular nephrotoxicity and chemotherapy-induced peripheral neuropathy. Thus, there is an urgent medical need to identify novel strategies that limit cisplatin-induced toxicity. In the present study, we show that the FDA-approved adenosine A2A receptor antagonist istradefylline (KW6002) protected from cisplatin-induced nephrotoxicity and neuropathic pain in mice with or without tumors. Moreover, we also demonstrate that the antitumoral properties of cisplatin were not altered by istradefylline in tumor-bearing mice and could even be potentiated. Altogether, our results support the use of istradefylline as a valuable preventive approach for the clinical management of patients undergoing cisplatin treatment.
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Affiliation(s)
- Edmone Dewaeles
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France.,University of Lille, INSERM, CHU Lille, UMR-S1172 LilNCog, Lille Neuroscience and Cognition, Lille, France
| | - Kévin Carvalho
- University of Lille, INSERM, CHU Lille, UMR-S1172 LilNCog, Lille Neuroscience and Cognition, Lille, France.,Alzheimer and Tauopathies, LabEx DISTALZ, Lille, France
| | - Sandy Fellah
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France
| | - Jaewon Sim
- Department of Physiology, Michigan State University, East Lansing, Michigan, USA.,Cell and Molecular Biology Graduate program, Michigan State University, East Lansing, Michigan, USA
| | - Nihad Boukrout
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France
| | - Raphaelle Caillierez
- University of Lille, INSERM, CHU Lille, UMR-S1172 LilNCog, Lille Neuroscience and Cognition, Lille, France.,Alzheimer and Tauopathies, LabEx DISTALZ, Lille, France
| | | | - Cynthia Van der Hauwaert
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France.,CHU Lille, Département de la Recherche en Santé, Lille, France
| | - Jhenkruthi Vijaya Shankara
- University of Lille, INSERM, CHU Lille, UMR-S1172 LilNCog, Lille Neuroscience and Cognition, Lille, France.,Alzheimer and Tauopathies, LabEx DISTALZ, Lille, France
| | - Nathalie Martin
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France
| | - Noura Massri
- Department of Physiology, Michigan State University, East Lansing, Michigan, USA.,Cell and Molecular Biology Graduate program, Michigan State University, East Lansing, Michigan, USA
| | - Agathe Launay
- University of Lille, INSERM, CHU Lille, UMR-S1172 LilNCog, Lille Neuroscience and Cognition, Lille, France.,Alzheimer and Tauopathies, LabEx DISTALZ, Lille, France
| | - Joseph K. Folger
- Department of Physiology, Michigan State University, East Lansing, Michigan, USA
| | - Clémentine de Schutter
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France
| | - Romain Larrue
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France.,CHU Lille, Service de Toxicologie et Génopathies, Lille, France
| | - Ingrid Loison
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France
| | - Marine Goujon
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France
| | - Matthieu Jung
- University of Strasbourg, CNRS UMR 7104, INSERM U1258 – GenomEast Platform – IGBMC – Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France
| | - Stéphanie Le Gras
- University of Strasbourg, CNRS UMR 7104, INSERM U1258 – GenomEast Platform – IGBMC – Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France
| | - Victoria Gomez-Murcia
- University of Lille, INSERM, CHU Lille, UMR-S1172 LilNCog, Lille Neuroscience and Cognition, Lille, France.,Alzheimer and Tauopathies, LabEx DISTALZ, Lille, France
| | - Emilie Faivre
- University of Lille, INSERM, CHU Lille, UMR-S1172 LilNCog, Lille Neuroscience and Cognition, Lille, France.,Alzheimer and Tauopathies, LabEx DISTALZ, Lille, France
| | - Julie Lemaire
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France
| | - Anne Garat
- CHU Lille, Service de Toxicologie et Génopathies, Lille, France.,University of Lille, CHU Lille, Institut Pasteur de Lille, ULR 4483, IMPact de l’Environnement Chimique sur la Santé Humaine (IMPECS), Lille, France
| | - Nicolas Beauval
- CHU Lille, Service de Toxicologie et Génopathies, Lille, France.,University of Lille, CHU Lille, Institut Pasteur de Lille, ULR 4483, IMPact de l’Environnement Chimique sur la Santé Humaine (IMPECS), Lille, France
| | - Patrice Maboudou
- CHU Lille, Service de Biochimie Automatisée, Protéines et Biologie Prédictive, Lille, France
| | - Viviane Gnemmi
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France.,CHU Lille, Service d’Anatomopathologie, Lille, France
| | - Jean-Baptiste Gibier
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France.,CHU Lille, Service d’Anatomopathologie, Lille, France
| | - Luc Buée
- University of Lille, INSERM, CHU Lille, UMR-S1172 LilNCog, Lille Neuroscience and Cognition, Lille, France.,Alzheimer and Tauopathies, LabEx DISTALZ, Lille, France
| | - Corinne Abbadie
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France
| | - Francois Glowacki
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France.,CHU Lille, Service de Néphrologie, Lille, France
| | - Nicolas Pottier
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France.,CHU Lille, Service de Toxicologie et Génopathies, Lille, France
| | - Michael Perrais
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France
| | - Rodrigo A. Cunha
- CNC, Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, Faculty of Medicine Building-Polo 1, Coimbra, Portugal.,Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Jean-Sébastien Annicotte
- University of Lille, INSERM, CNRS, CHU Lille, Institut Pasteur de Lille, INSERM U1283-UMR8199 – EGID, Lille, France.,University of Lille, INSERM, CHU Lille, Institut Pasteur de Lille, RID-AGE-Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, Lille, France
| | - Geoffroy Laumet
- Department of Physiology, Michigan State University, East Lansing, Michigan, USA
| | - David Blum
- University of Lille, INSERM, CHU Lille, UMR-S1172 LilNCog, Lille Neuroscience and Cognition, Lille, France.,Alzheimer and Tauopathies, LabEx DISTALZ, Lille, France
| | - Christelle Cauffiez
- University of Lille, INSERM, CNRS, CHU Lille, UMR9020-U1277, CANTHER, Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France
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2
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Procopio MC, Lauro R, Nasso C, Carerj S, Squadrito F, Bitto A, Di Bella G, Micari A, Irrera N, Costa F. Role of Adenosine and Purinergic Receptors in Myocardial Infarction: Focus on Different Signal Transduction Pathways. Biomedicines 2021; 9:biomedicines9020204. [PMID: 33670488 PMCID: PMC7922652 DOI: 10.3390/biomedicines9020204] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 02/15/2021] [Indexed: 12/24/2022] Open
Abstract
Myocardial infarction (MI) is a dramatic event often caused by atherosclerotic plaque erosion or rupture and subsequent thrombotic occlusion of a coronary vessel. The low supply of oxygen and nutrients in the infarcted area may result in cardiomyocytes necrosis, replacement of intact myocardium with non-contractile fibrous tissue and left ventricular (LV) function impairment if blood flow is not quickly restored. In this review, we summarized the possible correlation between adenosine system, purinergic system and Wnt/β-catenin pathway and their role in the pathogenesis of cardiac damage following MI. In this context, several pathways are involved and, in particular, the adenosine receptors system shows different interactions between its members and purinergic receptors: their modulation might be effective not only for a normal functional recovery but also for the treatment of heart diseases, thus avoiding fibrosis, reducing infarcted area and limiting scaring. Similarly, it has been shown that Wnt/β catenin pathway is activated following myocardial injury and its unbalanced activation might promote cardiac fibrosis and, consequently, LV systolic function impairment. In this regard, the therapeutic benefits of Wnt inhibitors use were highlighted, thus demonstrating that Wnt/β-catenin pathway might be considered as a therapeutic target to prevent adverse LV remodeling and heart failure following MI.
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Affiliation(s)
- Maria Cristina Procopio
- Department of Clinical and Experimental Medicine, University of Messina, 98165 Messina, Italy; (M.C.P.); (R.L.); (C.N.); (S.C.); (F.S.); (A.B.); (G.D.B.); (F.C.)
| | - Rita Lauro
- Department of Clinical and Experimental Medicine, University of Messina, 98165 Messina, Italy; (M.C.P.); (R.L.); (C.N.); (S.C.); (F.S.); (A.B.); (G.D.B.); (F.C.)
| | - Chiara Nasso
- Department of Clinical and Experimental Medicine, University of Messina, 98165 Messina, Italy; (M.C.P.); (R.L.); (C.N.); (S.C.); (F.S.); (A.B.); (G.D.B.); (F.C.)
| | - Scipione Carerj
- Department of Clinical and Experimental Medicine, University of Messina, 98165 Messina, Italy; (M.C.P.); (R.L.); (C.N.); (S.C.); (F.S.); (A.B.); (G.D.B.); (F.C.)
| | - Francesco Squadrito
- Department of Clinical and Experimental Medicine, University of Messina, 98165 Messina, Italy; (M.C.P.); (R.L.); (C.N.); (S.C.); (F.S.); (A.B.); (G.D.B.); (F.C.)
| | - Alessandra Bitto
- Department of Clinical and Experimental Medicine, University of Messina, 98165 Messina, Italy; (M.C.P.); (R.L.); (C.N.); (S.C.); (F.S.); (A.B.); (G.D.B.); (F.C.)
| | - Gianluca Di Bella
- Department of Clinical and Experimental Medicine, University of Messina, 98165 Messina, Italy; (M.C.P.); (R.L.); (C.N.); (S.C.); (F.S.); (A.B.); (G.D.B.); (F.C.)
| | - Antonio Micari
- Department of Biomedical and Dental Sciences and Morphological and Functional Imaging, University of Messina, A.O.U. Policlinic “G. Martino”, 98165 Messina, Italy;
| | - Natasha Irrera
- Department of Clinical and Experimental Medicine, University of Messina, 98165 Messina, Italy; (M.C.P.); (R.L.); (C.N.); (S.C.); (F.S.); (A.B.); (G.D.B.); (F.C.)
- Correspondence: ; Tel.: +39-090-221-3093; Fax: +39-090-221-23-81
| | - Francesco Costa
- Department of Clinical and Experimental Medicine, University of Messina, 98165 Messina, Italy; (M.C.P.); (R.L.); (C.N.); (S.C.); (F.S.); (A.B.); (G.D.B.); (F.C.)
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3-deazaneplanocin A protects against cisplatin-induced renal tubular cell apoptosis and acute kidney injury by restoration of E-cadherin expression. Cell Death Dis 2019; 10:355. [PMID: 31043583 PMCID: PMC6494881 DOI: 10.1038/s41419-019-1589-y] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 03/30/2019] [Accepted: 04/12/2019] [Indexed: 12/18/2022]
Abstract
3-deazaneplanocin A (3-DZNeP) has been used as an inhibitor of enhancer of zeste homolog 2 (EZH2). Here, we explore the role and underlying mechanisms action of 3-DZNeP in abrogating cisplatin nephrotoxicity. Exposure of cultured mouse renal proximal tubular epithelial cells (mTECs) to cisplatin resulted in dose and time-dependent cleavage of caspase-3, decrease of cell viability, and increase of histone H3 lysine 27 trimethylation (H3K27me3), whereas expression levels of EZH2, a major methyltransferase of H3K27me3, were not affected. Treatment with 3-DZNeP significantly inhibited cisplatin-induced activation of caspase-3, apoptosis, loss of cell viability but did not alter levels of EZH2 and H3K27me3 in cultured mTECs. 3-DZNeP treatment did not affect activation of extracellular signal-regulated kinase (ERK) 1/2, p38 or c-Jun N-terminal kinases (JNK) 1/2, which contribute to renal epithelial cell death, but caused dose-dependent restoration of E-cadherin in mTECs exposed to cisplatin. Silencing of E-cadherin expression by siRNA abolished the cytoprotective effects of 3-DZNeP. In contrast, 3-DZNeP treatment potentiated the cytotoxic effect of cisplatin in H1299, a non-small cell lung cancer cell line that expresses lower E-cadherin levels. Finally, administration of 3-DZNeP attenuated renal dysfunction, morphological damage, and renal tubular cell death, which was accompanied by E-cadherin preservation, in a mouse model of cisplatin nephrotoxicity. Overall, these data indicate that 3-DZNeP suppresses cisplatin-induced tubular epithelial cell apoptosis and acute kidney injury via an E-cadherin-dependent mechanism, and suggest that combined application of 3-DZNeP with cisplatin would be a novel chemotherapeutic strategy that enhances the anti-tumor effect of cisplatin and reduces its nephrotoxicity.
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4
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Lasley RD. Adenosine Receptor-Mediated Cardioprotection-Current Limitations and Future Directions. Front Pharmacol 2018; 9:310. [PMID: 29670529 PMCID: PMC5893789 DOI: 10.3389/fphar.2018.00310] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Accepted: 03/19/2018] [Indexed: 01/21/2023] Open
Abstract
Since the seminal reports of adenosine receptor-mediated cardioprotection in the early 1990s, there have been a multitude of such reports in various species and preparations. Original observations of the beneficial effects of A1 receptor agonists have been followed up with numerous reports also implicating A2A, A3, and most recently A2B, receptor agonists as cardioprotective agents. Although adenosine has been approved for clinical use in the United States for the treatment of supraventricular tachycardia and coronary artery imaging, and the selective A2A agonist, regadenoson, for the latter, clinical use of adenosine receptor agonists for protecting the ischemic heart has not advanced beyond early trials. An examination of the literature indicates that existing experimental studies have several limitations in terms of clinical relevance, as well as lacking incorporation of recent new insights into adenosine receptor signaling. Such deficiencies include the lack of experimental studies in models that most closely mimic human cardiovascular disease. In addition, there have been very few studies in chronic models of myocardial ischemia, where limiting myocardial remodeling and heart failure, not reduction of infarct size, are the primary endpoints. Despite an increasing number of reports of the beneficial effects of adenosine receptor antagonists, not agonists, in chronic diseases, this idea has not been well-studied in experimental myocardial ischemia. There have also been few studies examining adenosine receptor subtype interactions as well as receptor heterodimerization. The purpose of this Perspective article is to discuss these deficiencies to highlight future directions of research in the field of adenosine receptor-mediated protection of ischemic myocardium.
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Affiliation(s)
- Robert D Lasley
- Department of Physiology, Wayne State University School of Medicine, Detroit, MI, United States
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5
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Cheng CC, Yang YL, Liao KH, Lai TW. Adenosine receptor agonist NECA increases cerebral extravasation of fluorescein and low molecular weight dextran independent of blood-brain barrier modulation. Sci Rep 2016; 6:23882. [PMID: 27025761 PMCID: PMC4812297 DOI: 10.1038/srep23882] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Accepted: 03/16/2016] [Indexed: 01/13/2023] Open
Abstract
Conventional methods for therapeutic blood-brain barrier (BBB) disruption facilitate drug delivery but are cumbersome to perform. A previous study demonstrated that adenosine receptor (AR) stimulation by 5′-N-ethylcarboxamide adenosine (NECA) increased the extravasation of intravascular tracers into the brain and proposed that AR agonism may be an effective method for therapeutic BBB disruption. We attempted to confirm the extravasation of tracers into the brain and also investigated tracer extravasation into peripheral organs and tracer retention in the blood. We found that NECA not only increased the extravasation of intravascular fluorescein and low molecular weight dextran into the brain of mice but also increased the concentrations of these tracers in the blood. In fact, the brain:blood ratio-normalized BBB permeability for either tracer is actually decreased by NECA administration. Elevated blood urea nitrogen levels in mice following NECA treatment suggested that renal function impairment was a probable cause of tracer retention. Therefore, NECA has almost no effect on the extravasation of intravascular Evans blue dye (EBD), an albumin-binding tracer with little renal clearance. Rather than inducing BBB disruption, our study demonstrated that NECA increased tracer extravasation into the brain by increasing the concentration gradient of the tracer across the BBB.
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Affiliation(s)
- Chih-Chung Cheng
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung 404, Taiwan
| | - Ya Lan Yang
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung 404, Taiwan
| | - Kate Hsiurong Liao
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung 404, Taiwan
| | - Ted Weita Lai
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung 404, Taiwan.,Translational Medicine Research Center, China Medical University Hospital, Taichung 404, Taiwan
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Wilson CN, Vance CO, Lechner MG, Matuschak GM, Lechner AJ. Adenosine A1 receptor antagonist, L-97-1, improves survival and protects the kidney in a rat model of cecal ligation and puncture induced sepsis. Eur J Pharmacol 2014; 740:346-52. [PMID: 25041842 PMCID: PMC4147868 DOI: 10.1016/j.ejphar.2014.07.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 07/07/2014] [Accepted: 07/09/2014] [Indexed: 11/17/2022]
Abstract
Previously it was reported that combining antibiotics with L-97-1, an adenosine A1 receptor antagonist, significantly improves survival and blocks acute lung injury induced by Yersinia pestis CO 99 in a rat model of pneumonic plague. In the current studies using a conscious rat model of cecal ligation and puncture (CLP) sepsis, L-97-1 was administered in daily intravenous infusions in combination with antibiotics to simulate the use of L-97-1 as an anti-sepsis therapeutic in the clinical setting. In these studies, when administered at 12 h following CLP, in combination with broad spectrum antibiotics, ceftriaxone and clindamycin, L-97-1 improves 7 day (d) survival [25%, 35%, and 75% for L-97-1 (10 mg/kg/h, 12.5 mg/kg/h, and 15 mg/kg/h, respectively) versus (vs.) 25% for antibiotics alone] in a dose-dependent manner. The addition of L-97-1, 15 mg/kg/h to antibiotics significantly increased 7 d survival following CLP compared to therapy with either antibiotics alone (P=0.002) or L-97-1 at 15 mg/kg/h alone (P<0.001) and was not significantly different than survival in sham CLP animals (Log-rank (Mantel-Cox) test with Bonferroni׳s correction for multiple comparisons). Moreover, in these studies, in combination with antibiotics L-97-1 dose-dependently protects the kidney, significantly improving renal function at 24 h post CLP at 10 mg/kg/h (P<0.001), 12.5 mg/kg/h (P<0.0001), and 15 mg/kg/h (P<0.0001) vs. antibiotics alone (ANOVA followed by Tukey׳s post-hoc test for pair-wise comparisons). The results of these studies support efficacy for L-97-1 as an anti-sepsis therapeutic.
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Affiliation(s)
- Constance N Wilson
- Endacea Inc., 2 Davis Drive, P.O. Box 12076, Research Triangle Park, NC 27709-2076, United States.
| | - Constance O Vance
- Endacea Inc., 2 Davis Drive, P.O. Box 12076, Research Triangle Park, NC 27709-2076, United States
| | - Melissa G Lechner
- Department of Medicine Brigham and Women׳s Hospital 75 Francis Street, Boston MA 02115, United States
| | | | - Andrew J Lechner
- Saint Louis University School of Medicine, St. Louis MO, United States
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7
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Abstract
This chapter describes the effects of the natural methylxanthines caffeine and theophylline on kidney function. Theophylline in particular was used traditionally to increase urine out put until more potent diuretics became available in the middle of the last century. The mildly diuretic actions of both methylxanthines are mainly the result of inhibition of tubular fluid reabsorption along the renal proximal tubule. Based upon the use of specific adenosine receptor antagonists and the observation of a complete loss of diuresis in mice with targeted deletion of the A1AR gene, transport inhibition by methylxanthines is mediated mainly by antagonism of adenosine A1 receptors (A1AR) in the proximal tubule. Methylxanthines are weak renal vasodilators, and they act as competitive antagonists against adenosine-induced preglomerular vasoconstriction. Caffeine and theophylline stimulate the secretion of renin by inhibition of adenosine receptors and removal of the general inhibitory brake function of endogenous adenosine. Since enhanced intrarenal adenosine levels lead to reduced glomerular filtration rate in several pathological conditions theophylline has been tested for its therapeutic potential in the renal impairment following administration of nephrotoxic substances such as radiocontrast media, cisplatin, calcineurin inhibitors or following ischemia-reperfusion injury. In experimental animals functional improvements have been observed in all of these conditions, but available clinical data in humans are insufficient to affirm a definite therapeutic efficacy of methylxanthines in the prevention of nephrotoxic or postischemic renal injury.
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Affiliation(s)
- Hartmut Osswald
- Department of Pharmacology and Toxicology, University of Tübingen, Wilhelmstrasse 56, 72074, Tübingen, Germany
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8
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Slawsky MT, Givertz MM. Rolofylline: a selective adenosine 1 receptor antagonist for the treatment of heart failure. Expert Opin Pharmacother 2009; 10:311-22. [PMID: 19236201 DOI: 10.1517/14656560802682213] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Co-existent cardiac and renal dysfunction is increasingly recognized as both a predictor and mediator of poor outcomes in patients with advanced heart failure. Novel therapies, including adenosine receptor antagonists, are currently under development for the treatment of 'cardiorenal syndrome'. OBJECTIVES To review the pathophysiologic rationale for using rolofylline, a selective adenosine 1 receptor antagonist, in patients with cardiorenal syndrome; and to provide a critical overview of safety and efficacy data from clinical studies. METHODS We reviewed published data on the pharmacology of rolofylline, and used this to inform a comprehensive summary of preclinical and clinical trials. Cardiac and renal effects, and safety data with a particular reference to seizures, are highlighted. RESULTS/CONCLUSION Rolofylline facilitates diuresis and preserves renal function in patients with acute decompensated heart failure and renal dysfunction. Pilot data also suggest beneficial effects on symptoms and short-term outcomes. The risk of seizures may be minimized by excluding high-risk patients.
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Affiliation(s)
- Mara T Slawsky
- Tufts University School of Medicine, Baystate Medical Center, Division of Cardiology, Springfield, MA (MTS), USA
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9
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Abstract
The autacoid, adenosine, is present in the normoxic kidney and generated in the cytosol as well as at extracellular sites. The rate of adenosine formation is enhanced when the rate of ATP hydrolysis prevails over the rate of ATP synthesis during increased tubular transport work or during oxygen deficiency. Extracellular adenosine acts on adenosine receptor subtypes (A(1), A(2A), A(2B), and A(3)) in the cell membranes to affect vascular and tubular functions. Adenosine lowers glomerular filtration rate by constricting afferent arterioles, especially in superficial nephrons, and thus lowers the salt load and transport work of the kidney consistent with the concept of metabolic control of organ function. In contrast, it leads to vasodilation in the deep cortex and the semihypoxic medulla, and exerts differential effects on NaCl transport along the tubular and collecting duct system. These vascular and tubular effects point to a prominent role of adenosine and its receptors in the intrarenal metabolic regulation of kidney function, and, together with its role in inflammatory processes, form the basis for potential therapeutic approaches in radiocontrast media-induced acute renal failure, ischemia reperfusion injury, and in patients with cardiorenal failure.
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Affiliation(s)
- Volker Vallon
- Department of Medicine, University of California San Diego and VA San Diego Healthcare System, San Diego, CA 92161, USA.
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10
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Chaparro S, Dittrich HC, Tang WHW. Rolofylline (KW-3902): a new adenosine A1-receptor antagonist for acute congestive heart failure. Future Cardiol 2008; 4:117-23. [DOI: 10.2217/14796678.4.2.117] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Rolofylline (KW-3902 or MK-7418) is an adenosine A1-receptor antagonist that exerts its effect by blocking adenosine-mediated constriction of the afferent glomerular arteriole. By blocking A1 receptors, rolofylline increases the glomerular blood flow and filtration and inhibits sodium reabsorption in the proximal tubule, thereby enhancing natriuresis and diuresis. Early phase clinical research data provided the proof-of-concept of an incremental effect beyond standard diuretic therapy. A large Phase III program is currently ongoing for the intravenous formulation of rolofylline in the treatment of acute heart failure.
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Affiliation(s)
- Sandra Chaparro
- Cleveland Clinic, Department of Cardiovascular Medicine, 9500 Euclid Avenue, F25, Cleveland, OH 44195, USA
| | | | - WH Wilson Tang
- Cleveland Clinic, Department of Cardiovascular Medicine, Desk F25, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
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11
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Kalk P, Eggert B, Relle K, Godes M, Heiden S, Sharkovska Y, Fischer Y, Ziegler D, Bielenberg GW, Hocher B. The adenosine A1 receptor antagonist SLV320 reduces myocardial fibrosis in rats with 5/6 nephrectomy without affecting blood pressure. Br J Pharmacol 2007; 151:1025-32. [PMID: 17558436 PMCID: PMC2042943 DOI: 10.1038/sj.bjp.0707319] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND AND PURPOSE Myocardial fibrosis is an unwanted effect associated with chronic renal failure. The adenosine system is involved in cardiac and renal function. Therefore, we investigated the novel selective adenosine A(1) receptor antagonist SLV320 focusing on its potential in preventing cardiomyopathy in rats with 5/6 nephrectomy. EXPERIMENTAL APPROACH Male Sprague-Dawley rats were allocated to 4 groups of 12 rats each: 5/6 nephrectomy (5/6 NX), 5/6 NX plus SLV320 (10 mg kg(-1) d(-1) mixed with food), sham and sham plus SLV320. Study duration was 12 weeks, blood pressure was assessed repeatedly. At study end kidney function was assessed, blood samples and hearts were taken for histology/immunohistochemistry. Pharmacological properties of SLV320 were assessed using receptor binding and enzyme assays and in vivo. KEY RESULTS SLV320 is a selective and potent adenosine A(1) antagonist in vitro (Ki=1 nM) with a selectivity factor of at least 200 versus other adenosine receptor subtypes. Functional A(1) antagonism was demonstrated in vivo. In rats with 5/6 NX SLV320 significantly decreased albuminuria by about 50%, but did not alter glomerular filtration rate (GFR). SLV320 normalized cardiac collagen I+III contents in 5/6 NX rats. SLV320 prevented nephrectomy-dependent rise in plasma levels of creatinine kinase (CK), ALT and AST. Blood pressure did not differ between study groups. CONCLUSION SLV320 suppresses cardiac fibrosis and attenuates albuminuria without affecting blood pressure in rats with 5/6 nephrectomy, indicating that selective A(1) receptor antagonists may be beneficial in uraemic cardiomyopathy.
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Affiliation(s)
- P Kalk
- Department of Pharmacology and Toxicology, Center for Cardiovascular Research, Charite, Campus Mitte Berlin, Germany
- Institute of Vegetative Physiology, Charite Campus Mitte, Berlin
| | - B Eggert
- Department of Pharmacology and Toxicology, Center for Cardiovascular Research, Charite, Campus Mitte Berlin, Germany
| | - K Relle
- Department of Pharmacology and Toxicology, Center for Cardiovascular Research, Charite, Campus Mitte Berlin, Germany
- Institute of Vegetative Physiology, Charite Campus Mitte, Berlin
| | - M Godes
- Department of Pharmacology and Toxicology, Center for Cardiovascular Research, Charite, Campus Mitte Berlin, Germany
- Institute of Vegetative Physiology, Charite Campus Mitte, Berlin
| | - S Heiden
- Department of Pharmacology and Toxicology, Center for Cardiovascular Research, Charite, Campus Mitte Berlin, Germany
| | - Y Sharkovska
- Department of Pharmacology and Toxicology, Center for Cardiovascular Research, Charite, Campus Mitte Berlin, Germany
| | - Y Fischer
- Solvay Pharmaceuticals Research Laboratories Hannover, Germany
| | - D Ziegler
- Solvay Pharmaceuticals Research Laboratories Hannover, Germany
| | - G-W Bielenberg
- Solvay Pharmaceuticals Research Laboratories Hannover, Germany
| | - B Hocher
- Department of Pharmacology and Toxicology, Center for Cardiovascular Research, Charite, Campus Mitte Berlin, Germany
- Solvay Pharmaceuticals Research Laboratories Hannover, Germany
- Author for correspondence:
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12
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Vu CB, Kiesman WF, Conlon PR, Lin KC, Tam M, Petter RC, Smits G, Lutterodt F, Jin X, Chen L, Zhang J. Tricyclic imidazoline derivatives as potent and selective adenosine A1 receptor antagonists. J Med Chem 2007; 49:7132-9. [PMID: 17125265 DOI: 10.1021/jm060539t] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Novel tricyclic imidazoline antagonists of the adenosine A1 receptor are described. For key compounds, the selectivity level over other adenosine receptor subtypes is examined along with their in vivo effects in a rat diuresis model. Compound 14, the (R)-isomer of 7,8-dihydro-8-ethyl-2-(4-bicyclo[2.2.2]octan-1-ol)-4-propyl-1H-imidazo[2,1-i]purin-5(4H)-one, is a particularly potent adenosine A1 receptor antagonist with good selectivity over the other three adenosine receptor subtypes: A1 (human) Ki=22 nM; A2A (human) Ki=4400 nM; A2B (human) Ki=580 nM; A3 (human) Ki>or=10,000 nM. Imidazoline 14 is a competitive adenosine A1 receptor antagonist with a pA2 value of 8.88 and is highly soluble in water (>100 mg/mL). In addition, it has an oral bioavailability of 84% and an oral half-life of 3.8 h in rats. When orally administered in a rat diuresis model, compound 14 promoted sodium excretion (ED50=0.01 mg/kg). This level of efficacy is comparable to that of BG9928, a selective adenosine A1 receptor antagonist that is currently in clinical trials as a treatment for congestive heart failure. Additional modifications to 14 also showed that the bridgehead hydroxyl group could be replaced with a propionic acid (compound 36) without a significant loss in binding affinity or in vivo activity.
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Affiliation(s)
- Chi B Vu
- Department of Chemistry, Biogen Idec, Inc., 14 Cambridge Center, Cambridge, Massachusetts 02142, USA
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Abstract
In this review we outline the unique effects of the autacoid adenosine in the kidney. Adenosine is present in the cytosol of renal cells and in the extracellular space of normoxic kidneys. Extracellular adenosine can derive from cellular adenosine release or extracellular breakdown of ATP, AMP, or cAMP. It is generated at enhanced rates when tubular NaCl reabsorption and thus transport work increase or when hypoxia is induced. Extracellular adenosine acts on adenosine receptor subtypes in the cell membranes to affect vascular and tubular functions. Adenosine lowers glomerular filtration rate (GFR) by constricting afferent arterioles, especially in superficial nephrons, and acts as a mediator of the tubuloglomerular feedback, i.e., a mechanism that coordinates GFR and tubular transport. In contrast, it leads to vasodilation in deep cortex and medulla. Moreover, adenosine tonically inhibits the renal release of renin and stimulates NaCl transport in the cortical proximal tubule but inhibits it in medullary segments including the medullary thick ascending limb. These differential effects of adenosine are subsequently analyzed in a more integrative way in the context of intrarenal metabolic regulation of kidney function, and potential pathophysiological consequences are outlined.
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Affiliation(s)
- Volker Vallon
- Department of Medicine, University of California, San Diego, USA
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14
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Grenz A, Baier D, Petroktistis F, Wehrmann M, Köhle C, Schenk M, Sessler M, Gleiter CH, Fandrich F, Osswald H. Theophylline Improves Early Allograft Function in Rat Kidney Transplantation. J Pharmacol Exp Ther 2006; 317:473-9. [PMID: 16410406 DOI: 10.1124/jpet.105.096917] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Several previous studies have demonstrated a beneficial effect of the adenosine receptor (AdoR) antagonist theophylline in different forms of acute renal failure in laboratory animals and in humans. Therefore, we wanted to test whether theophylline can also improve impaired allograft function following ischemia reperfusion injury in experimental kidney transplantation (KT). Orthotopic transplantation of the left kidney was performed from Fisher 344 into Lewis rats. All transplanted rats received daily cyclosporine (5 mg/kg). The effect of theophylline treatment (10 mg/kg) on graft function was compared with appropriate controls on day 5 after KT by assessment of glomerular filtration rate (GFR) (inulin clearance). On day 5, GFR of allografts in control rats was 0.23 +/- 0.05 ml/min/g kidney weight (n = 10) compared with 0.50 +/- 0.09 ml/min/g in rats receiving theophylline (n = 9, p < 0.01), representing a 2-fold increase in GFR. Renal AdoR A(1) mRNA content was significantly increased in both KT groups compared with their respective control groups, whereas mRNA of AdoR A(2a), A(2b), and A(3) were found to be unchanged. Theophylline did not affect significantly interstitial infiltration of the graft by monocytes/macrophages and T-cells. Likewise, serum cytokines [interleukin (IL)-2, IL-6, IL-10, tumor necrosis factor-alpha] and erythropoietin plasma levels were not different among the allograft groups. The present study demonstrates that theophylline remarkably improved early renal allograft function in rats undergoing KT without influencing cytokine serum patterns or tissue inflammation. Since theophylline is a commonly used medication in humans, clinical studies in patients undergoing KT are warranted.
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Affiliation(s)
- Almut Grenz
- Institute of Pharmacology and Toxicology, Wilhelmstrasse 56, D-72074 Tuebingen, Germany
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15
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16
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Appleman JR, Erion MD. The therapeutic potential of agents acting via purine receptors. Expert Opin Investig Drugs 2005; 7:225-43. [PMID: 15991954 DOI: 10.1517/13543784.7.2.225] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
A host of physiological processes associated with the cardiovascular (CV) system, central nervous system (CNS), and a variety of other organ systems and tissues are regulated by agents, primarily adenosine (ado) and adenosine triphosphate (ATP), that act via cell-surface purine receptors. These receptors have therefore been the focus of a variety of programmes directed at the discovery and development of new therapeutic agents, most notably for the treatment of disorders of the CV system. Currently, only a handful of agents, including ado, theophylline, dipyridamole, and ticlopidine, are approved for clinical use. A variety of new agents intended for use in CV disease, disorders of the CNS, such as Parkinson's disease, treatment of pain, inflammatory disorders, and diverse other pathophysiological conditions are in clinical development. Historically, ado receptors have been the primary target. Recent research efforts have begun to examine alternative strategies including agents that modulate endogenous levels of extracellular ado and agents that act via P(2) receptors.
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Affiliation(s)
- J R Appleman
- Metabasis Therapeutics, Inc., San Diego, CA, USA
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17
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Abstract
Many cell types in the kidney express adenosine receptors, and adenosine has multiple effects on renal function. Although adenosine is produced within the kidney by several biochemical reactions, recent studies support a novel mechanism for renal adenosine production, the extracellular cAMP-adenosine pathway. This extracellular cAMP-adenosine pathway is initiated by efflux of cAMP from cells following activation of adenylyl cyclase. Extracellular cAMP is then converted to adenosine by the serial actions of ecto-phosphodiesterase and ecto-5'-nucleotidase. When extracellular cAMP is converted to adenosine near the biophase of cAMP production and efflux, this local extracellular cAMP-adenosine pathway permits tight coupling of the site of adenosine production to the site of adenosine receptors. cAMP in renal compartments may also be formed by tissues/organs remote from the kidney. For example, stimulation of hepatic adenylyl cyclase by the pancreatic hormone glucagon increases circulating cAMP, which is filtered at the glomerulus and concentrated in the tubular lumen as water is extracted from the ultrafiltrate. Conversion of hepatic-derived cAMP to adenosine in the kidney completes a pancreatohepatorenal cAMP-adenosine pathway that may serve as an endocrine link between the pancreas, liver, and kidney.
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Affiliation(s)
- Edwin K Jackson
- Center for Clinical Pharmacology, Department of Pharmacology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15261, USA. edj+@pitt.edu
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18
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Hosokawa T, Yamauchi M, Yamamoto Y, Iwata K, Nakamura A, Kato Y. Evaluation of the carrier potential for the lipid dispersion system with lipophilic compound. Biol Pharm Bull 2003; 26:994-9. [PMID: 12843625 DOI: 10.1248/bpb.26.994] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
KW-3902 (a newly synthesized adenosine A(1)-receptor antagonist) has potent diuretic and renal protective activities and was formulated in lipid dispersion systems, i.e., lipid emulsions and liposomes. The objective of the present study was to evaluate the carrier potential of these lipid dispersion systems, which is explained here as the ability of the formulation to retain the drug in its dispersed phase. The relative affinity of the drug to the formulation, K(f/b), was defined as a parameter in order to assess the performance of the formulations and was obtained from the in vitro blood component binding study. The results indicated that KW-3902 showed higher relative affinity to the liposome formulation than to the lipid emulsion. Moreover, the total amount of drug retained in the dispersion system depended on both K(f/b) and the dosing volume. The usefulness of the parameter, K(f/b), was discussed as an indicator for a carrier potential to understand the properties of the formulations.
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Affiliation(s)
- Toshihito Hosokawa
- Pharmaceutical Research Institute, Kyowa Hakko Kogyo Co., Ltd., Sunto-gun, Shizuoka, Japan.
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19
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Bhat SG, Mishra S, Mei Y, Nie Z, Whitworth CA, Rybak LP, Ramkumar V. Cisplatin up-regulates the adenosine A(1) receptor in the rat kidney. Eur J Pharmacol 2002; 442:251-64. [PMID: 12065079 DOI: 10.1016/s0014-2999(02)01510-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Cisplatin, a widely used anticancer drug, produces significant oto- and nephrotoxicity. Previous data from our laboratory, using cultured cell lines, indicated that cisplatin increases the expression of the adenosine A(1) receptor subtype through generation of reactive oxygen species and activation of nuclear factor-kappa B (NF-kappa B). Since the adenosine A(1) receptor plays an important role in normal renal physiology, this study was performed to determine whether cisplatin modulates adenosine A(1) receptor expression in vivo and whether these receptors play a role in the nephrotoxicity. Male Sprague-Dawley rats, treated with cisplatin (8 mg/kg), developed nephrotoxicity within 3 days, as demonstrated by increased serum creatinine and blood urea nitrogen. Cisplatin also produced a significant increase in malondialdehyde, apoptosis and necrosis in the kidney. The above changes were associated with a time-dependent increase in the expression of adenosine A(1) receptor, as determined by radioligand binding assays, Western blotting and immunocytochemistry, and an increase in adenosine A(1) receptor transcripts. Administration of selective and nonselective antagonists of the adenosine A(1) receptor produced either no change or exacerbated the nephrotoxicity produced by cisplatin. These data indicate that cisplatin can regulate the adenosine A(1) receptor in the kidney and suggest a cytoprotective role of this receptor subtype against cisplatin-induced nephrotoxicity.
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Affiliation(s)
- Satyanarayan G Bhat
- Department of Pharmacology, Southern Illinois University School of Medicine, P.O. Box 19629, Springfield, IL 62974-1222, USA
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20
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Hosokawa T, Yamauchi M, Yamamoto Y, Iwata K, Mochizuki H, Kato Y. Role of the lipid emulsion on an injectable formulation of lipophilic KW-3902, a newly synthesized adenosine A1-receptor antagonist. Biol Pharm Bull 2002; 25:492-8. [PMID: 11995931 DOI: 10.1248/bpb.25.492] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
KW-3902 (a newly synthesized adenosine A1-receptor antagonist) has potent diuretic and renal protective activities. We investigated the influence of the emulsion formulation on the pharmacokinetics of KW-3902 and its metabolite (M1) in rats using three different formulations, i.e., a lipid emulsion about 130 nm in diameter composed of egg yolk lecithin: soybean oil: oleic acid=1:1:0.048, a liposome about 100 nm in diameter composed of egg yolk lecithin, and a saline solution containing 1% (v/v) each of dimethyl sulfoxide and 1 N NaOH. There was no significant difference in the pharmacokinetic parameters of KW-3902 (elimination half-life (T1/2), area under the plasma concentration-time curves (AUC0-infinity), total body clearance (CL), mean residence time (MRT) and volume of distribution at steady-state (Vdss) and M1 (Cmax, T1/2, AUC0-infinity and MRT) after injection of these three dosage forms. Moreover, we investigated in vitro the binding of KW-3902 to blood components using these three formulations. KW-3902 was completely partitioned into the blood components regardless of its dosage form. These findings suggested that KW-3902 dissociated rapidly from the lipid emulsion or liposome in blood after injection and showed intrinsic pharmacokinetics of KW-3902 at doses of 0.1 and 1 mg/kg. Thus, the lipid emulsion formulation of KW-3902 was defined as a solvent, which was a vehicle for dissolving the drugs to prepare the injection, at its expected effective doses.
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Affiliation(s)
- Toshihito Hosokawa
- Pharmaceutical Research Institute, Kyowa Hakko Kogyo Co., Ltd., Shizuoka, Japan.
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21
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Abstract
Renal function is a very important prognostic indicator in patients with congestive heart failure. While some of the prognostic importance of poor renal function is related to the worse physiology associated with it, there are suggestions that the dysfunction itself is detrimental. Recently, it has been shown that adenosine may mediate much kidney activity. In addition to vasoconstrictive and vasodilatory effects, adenosine is intrinsic to the tubuloglomerular feedback which occurs when an acute increase in sodium levels in the proximal tubule feeds back to decrease glomerular filtration. Adenosine works via both adenosine A1 and A2 receptors. A1-receptor antagonists decrease afferent arteriolar pressure, and increase urine flow and sodium excretion. Studies suggest that A1-receptor antagonists cause a diuretic effect not by a change in the renal haemodynamics, but by the inhibition of water and sodium reabsorption in tubular sites secondary to direct tubuloglomerular feedback. Less consistent has been the occasional finding of increased glomerular filtration rate despite the lack of improved renal plasma flow. Clinically important questions are: what role adenosine plays in causing the poor renal function associated with heart failure and what A1-receptor antagonists do in such situations? If an A1-receptor antagonist could cause diuresis while maintaining or improving glomerular filtration, it would be a useful adjunct in the treatment of severe heart failure. We evaluated the effects of the A1-receptor antagonist CVT-124 (BG-9719) in heart failure patients. CVT-124 increased sodium excretion without decreasing glomerular filtration rate. These data suggest that adenosine might be an important determinant of renal function in patients with heart failure.
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Affiliation(s)
- S S Gottlieb
- Division of Cardiology, University of Maryland School of Medicine, Baltimore 21201, USA
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Jackson EK, Dubey RK. Role of the extracellular cAMP-adenosine pathway in renal physiology. Am J Physiol Renal Physiol 2001; 281:F597-612. [PMID: 11553506 DOI: 10.1152/ajprenal.2001.281.4.f597] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Adenosine exerts physiologically significant receptor-mediated effects on renal function. For example, adenosine participates in the regulation of preglomerular and postglomerular vascular resistances, glomerular filtration rate, renin release, epithelial transport, intrarenal inflammation, and growth of mesangial and vascular smooth muscle cells. It is important, therefore, to understand the mechanisms that generate extracellular adenosine within the kidney. In addition to three "classic" pathways of adenosine biosynthesis, contemporary studies are revealing a novel mechanism for renal adenosine production termed the "extracellular cAMP-adenosine pathway." The extracellular cAMP-adenosine pathway is defined as the egress of cAMP from cells during activation of adenylyl cyclase, followed by the extracellular conversion of cAMP to adenosine by the serial actions of ecto-phosphodiesterase and ecto-5'-nucleotidase. This mechanism of extracellular adenosine production may provide hormonal control of adenosine levels in the cell-surface biophase in which adenosine receptors reside. Tight coupling of the site of adenosine production to the site of adenosine receptors would permit a low-capacity mechanism of adenosine biosynthesis to have a large impact on adenosine receptor activation. The purposes of this review are to summarize the physiological roles of adenosine in the kidney; to describe the classic pathways of renal adenosine biosynthesis; to review the evidence for the existence of the extracellular cAMP-adenosine pathway; and to describe possible physiological roles of the extracellular cAMP-adenosine pathway, with particular emphasis on the kidney.
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Affiliation(s)
- E K Jackson
- Department of Pharmacology, University of Pittsburgh School of Medicine, 3550 Terrace St., Pittsburgh, PA 15261, USA. edj+@pitt.edu
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Yao K, Heyne N, Erley CM, Risler T, Osswald H. The selective adenosine A1 receptor antagonist KW-3902 prevents radiocontrast media-induced nephropathy in rats with chronic nitric oxide deficiency. Eur J Pharmacol 2001; 414:99-104. [PMID: 11231000 DOI: 10.1016/s0014-2999(01)00764-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Several studies have recently suggested a principal role of adenosine in the pathogenesis of radiocontrast media-induced nephropathy. In the present experiments, we therefore investigated the renal protective effects of 8-(noradamantan-3-yl)-1,3-dipropylxanthine (KW-3902), a potent and selective adenosine A1 receptor antagonist, on radiocontrast media-induced nephropathy in the model of the N-pi-nitro-L-arginine methyl ester (L-NAME) hypertensive, chronic nitric oxide (NO)-depleted rat. Chronic NO depletion was induced by pretreatment with L-NAME, 50 mg/ml, added to drinking water for 8 weeks. Clearance experiments were performed in anesthetized rats and glomerular filtration rate was assessed prior to and following the application of high osmolar radiocontrast media (sodium diatrizoate, 3 ml/kg, i.v.) or an equivalent volume of isoosmolar mannitol to examine the role of hyperosmolarity in radiocontrast media-induced nephropathy. Subgroups received KW-3902 (0.1 mg/kg, i.v.), 20 min prior to radiocontrast media administration. Age-matched, untreated rats served as controls. Radiocontrast media application induced a significant decline in glomerular filtration rate in L-NAME hypertensive animals, whereas no effects were observed in control rats. KW-3902 fully prevented the drop in glomerular filtration rate in response to radiocontrast media in L-NAME hypertensive rats. No renal hemodynamic alterations were observed in mannitol-infused animals. The present experiments demonstrate that the decrease in glomerular filtration rate following radiocontrast media occurred independently of the osmotic load, and that KW-3902 effectively prevented the radiocontrast media-induced deterioration in renal function. KW-3902 may be especially beneficial in patients at high risk for developing acute renal failure following radiocontrast media application or in patients in which extracellular fluid volume expansion is limited by clinical conditions such as congestive heart failure.
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Affiliation(s)
- K Yao
- Centre of Clinical Pharmacology and Department of Pharmacology, University of Tübingen, Wilhelmstr. 56, 72074, Tübingen, Germany.
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24
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Gottlieb SS, Skettino SL, Wolff A, Beckman E, Fisher ML, Freudenberger R, Gladwell T, Marshall J, Cines M, Bennett D, Liittschwager EB. Effects of BG9719 (CVT-124), an A1-adenosine receptor antagonist, and furosemide on glomerular filtration rate and natriuresis in patients with congestive heart failure. J Am Coll Cardiol 2000; 35:56-9. [PMID: 10636259 DOI: 10.1016/s0735-1097(99)00532-x] [Citation(s) in RCA: 122] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVES To determine the effects of furosemide and the selective A1 adenosine receptor BG9719 on renal function in patients with congestive heart failure (CHF). BACKGROUND Studies suggest that adenosine may affect renal function by various mechanisms, but the effects of blockade of this system in humans is unknown. In addition, the effects of a therapeutic dose of furosemide on glomerular filtration rate (GFR) and renal plasma flow (RPF) in heart failure patients are controversial. METHODS On different days, 12 patients received placebo, BG9719 and furosemide. Glomerular filtration rate, RPF and sodium and water excretion were assessed immediately following drug administration. RESULTS Glomerular filtration rate was 84 +/- 23 ml/min/1.73m2 after receiving placebo, 82 +/- 24 following BG9719 administration and a decreased (p < 0.005) 63 +/- 18 following furosemide. Renal plasma flow was unchanged at 293 +/- 124 ml/min/1.73m2 on placebo, 334 +/- 155 after receiving BG9719 and 374 +/- 231 after receiving furosemide. Sodium excretion increased from 8 +/- 8 mEq following placebo administration to 37 +/- 26 mEq following BG9719 administration. In the six patients in whom it was measured, sodium excretion was 104 +/- 78 mEq following furosemide administration. CONCLUSIONS Natriuresis is effectively induced by both furosemide and the adenosine A1 antagonist BG9719 in patients with CHF. Doses of the two drugs used in this study did not cause equivalent sodium and water excretion but only furosemide decreased GFR. These data suggest that adenosine is an important determinant of renal function in patients with heart failure.
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Affiliation(s)
- S S Gottlieb
- Department of Medicine, University of Maryland School of Medicine, Baltimore 21201, USA.
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25
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Okusa MD, Linden J, Macdonald T, Huang L. Selective A2A adenosine receptor activation reduces ischemia-reperfusion injury in rat kidney. THE AMERICAN JOURNAL OF PHYSIOLOGY 1999; 277:F404-12. [PMID: 10484524 DOI: 10.1152/ajprenal.1999.277.3.f404] [Citation(s) in RCA: 84] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A2A adenosine receptors (A2A-ARs) are known modulators of renal hemodynamics and potent inhibitors of inflammation. We sought to determine whether selective activation of A2A-ARs protects kidneys from ischemia-reperfusion injury. The ester derivative of DWH-146 (DWH-146e), a selective A2A agonist, was found to be more potent and selective for A2A-ARs than the prototype compound CGS-21680. Osmotic minipumps were implanted subcutaneously to infuse into rats either vehicle or DWH-146e (0.004 microg. kg(-1). min(-1)), during and after ischemia-reperfusion injury. Following 24 and 48 h of reperfusion, the rise in serum creatinine and blood urea nitrogen for vehicle-treated rats was substantially elevated compared with DWH-146e-treated rats. Histological examination revealed widespread tubular epithelial necrosis and vascular congestion in the outer medulla of vehicle-treated compared with DWH-146e-treated animals. ZM-241385, a selective A(2A) antagonist, blocked the protective effect of DWH-146e. Delaying administration of DWH-146e until the initiation of reperfusion also decreased serum creatinine. We conclude that 1) selective A2A-AR activation by DWH-146e reduces ischemia-reperfusion injury in rat kidneys, 2) the effect of DWH-146e is A2A receptor mediated, and 3) the protective effects are mediated by preventing injury during the reperfusion period.
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Affiliation(s)
- M D Okusa
- Department of Medicine, University of Virginia Health Sciences Center, Charlottesville, Virginia 22908, USA.
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Miura K, Okumura M, Yamanaka S, Kim S, Iwao H. No participation of adenosine A1 receptor in acute nephrotoxicity by 4-pentenoic acid administration in dogs. JAPANESE JOURNAL OF PHARMACOLOGY 1999; 80:223-8. [PMID: 10461767 DOI: 10.1254/jjp.80.223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
Abstract
Intrarenal infusion of 4-pentenoic acid is known to lower renal cortical ATP content and cause a reduction in glomerular filtration rate (GFR). The alteration in nucleotide metabolism might augment the production of adenosine, thereby eliciting the fall in GFR. This study was conducted to examine whether 4-pentenoic acid stimulates renal production of adenosine, and if so, to examine the role of adenosine A1 receptor in the reduction of GFR by 4-pentenoic acid. With infusion of 4-pentenoic acid (1 micromol x kg(-1) x min(-1)) into the renal artery of anesthetized dogs, GFR gradually decreased and reached minimum at 60 min with values ranging from 33.9+/-2.2 to 20.2+/-2.8 ml/min. Neither renal blood flow nor mean arterial pressure was affected, but tubular reabsorption of water and sodium was significantly attenuated. Renal venous plasma concentration and urinary excretion of adenosine rose markedly (20-fold) without any change in arterial concentration, suggesting that renal adenosine production was augmented by 4-pentenoic acid. However, KW-3902 (8-(noradamantan-3-yl)-1,3-dipropylxanthine), a selective antagonist of the adenosine A1 receptor, did not affect the action of 4-pentenoic acid on GFR or renal handling of water and sodium. It is concluded that 4-pentenoic acid markedly increases renal adenosine production, but adenosine A1 receptor is not involved in the 4-pentenoic acid-induced nephrotoxicity.
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Affiliation(s)
- K Miura
- Department of Pharmacology, Osaka City University Medical School, Abeno, Japan
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Yonehana T, Gemba M. Ameliorative effect of adenosine on hypoxia-reoxygenation injury in LLC-PK1, a porcine kidney cell line. JAPANESE JOURNAL OF PHARMACOLOGY 1999; 80:163-7. [PMID: 10440535 DOI: 10.1254/jjp.80.163] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
We studied the effects of adenosine on injury caused by hypoxia and reoxygenation in LLC-PK1 cells. Lactate dehydrogenase and gamma-glutamyltranspeptidase were released from cells exposed to hypoxia for 6 hr and then reoxygenation for 1 hr. The addition of adenosine at 100 microM to the medium before hypoxia began significantly decreased enzyme leakage into medium during both hypoxia and reoxygenation. The adenosine A1-receptor agonist, R(-)-N6-(2-phenylisopropyl)adenosine (R-PIA), at the concentration of 100 microM, did not affect enzyme release, but the adenosine A2-receptor agonist 2-p-[2-car-boxyethyl]phenethyl-amino-5'-N-ethylcarboxamido-adenosi ne hydrochloride (CGS 21680) at the concentration of 100 nM, suppressed the injury caused by hypoxia and reoxygenation. There were decreases in cAMP contents and ATP levels in LLC-PK1 cells injured by hypoxia and reoxygenation. Adenosine (100 microM) restored ATP levels in the cells during reoxygenation. With adenosine, the intracellular cAMP level was increased prominently during reoxygenation. These results suggest that adenosine protects LLC-PK1 cells from injury caused by hypoxia and reoxygenation by increasing the intracellular cAMP level via adenosine A2 receptor.
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Affiliation(s)
- T Yonehana
- Division of Pharmacology, Osaka University of Pharmaceutical Sciences, Nasahara, Takatsuki, Japan
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Sato H, Nagashima K, Nomura H, Karasawa A, Nishikawa S. Protective Effects of KW-3902, an Adenosine A1-Receptor Antagonist, Against the Nephropathy Induced by Repeated Administration of Cisplatin in Rats. J Toxicol Pathol 1999. [DOI: 10.1293/tox.12.21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Affiliation(s)
- Hitoshi Sato
- Department of Pathology, Pharmaceutical Research Institute, Kyowa Hakko Kogyo Co., Ltd
| | - Ken Nagashima
- Department of Pharmacology, Pharmaceutical Research Institute, Kyowa Hakko Kogyo Co., Ltd
| | - Hiroko Nomura
- Department of Pharmacology, Pharmaceutical Research Institute, Kyowa Hakko Kogyo Co., Ltd
| | - Akira Karasawa
- Department of Pharmacology, Pharmaceutical Research Institute, Kyowa Hakko Kogyo Co., Ltd
| | - Satoshi Nishikawa
- Department of Pathology, Pharmaceutical Research Institute, Kyowa Hakko Kogyo Co., Ltd
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Sato H, Nagashima K, Nomura H, Mochizuki H, Kashiwagi T, Karasawa A, Nishikawa S. Protective Effects of KW-3902, an Adenosine A1-Receptor Antagonist, Against Cisplatin-Induced Apoptosis in Rat Kidney. J Toxicol Pathol 1999. [DOI: 10.1293/tox.12.97] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Affiliation(s)
- Hitoshi Sato
- Department of Pathology, Pharmaceutical Research Institute, Kyowa Hakko Kogyo Co., Ltd
| | - Ken Nagashima
- Department of Pharmacology, Pharmaceutical Research Institute, Kyowa Hakko Kogyo Co., Ltd
| | - Hiroko Nomura
- Department of Pharmacology, Pharmaceutical Research Institute, Kyowa Hakko Kogyo Co., Ltd
| | - Harumi Mochizuki
- Department of Pathology, Pharmaceutical Research Institute, Kyowa Hakko Kogyo Co., Ltd
| | - Toyoko Kashiwagi
- Department of Pathology, Pharmaceutical Research Institute, Kyowa Hakko Kogyo Co., Ltd
| | - Akira Karasawa
- Department of Pharmacology, Pharmaceutical Research Institute, Kyowa Hakko Kogyo Co., Ltd
| | - Satoshi Nishikawa
- Department of Pathology, Pharmaceutical Research Institute, Kyowa Hakko Kogyo Co., Ltd
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