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Han K, He Z, Liu Y, Chen H. Identification of EDNRA as the Key Biomarker for Hypercholesterolemia and Colorectal Cancer. TOHOKU J EXP MED 2024; 262:181-189. [PMID: 38123303 DOI: 10.1620/tjem.2023.j101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Some studies have investigated the role of cholesterol in the progression of colorectal cancer (CRC). However, the underlying mechanism of action is not clear. In this study, we used bioinformatics tools to elucidate the molecular mechanisms involved. We initially obtained CRC datasets from the Gene Expression Omnibus (GEO) database and hypercholesterolemia data from GeneCards and DisGeNE. Common differentially expressed genes (DEGs) were determined by using Venn diagram web tools. Next, we performed Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses using the Database for Annotation, Visualization, and Integrated Discovery (DAVID). The hub gene was identified through common expression pattern analysis and survival analysis. Finally, we conducted an immune regulatory point analysis and predicted target drugs based on the hub gene. The results of our analysis revealed 13 common DEGs, with endothelin receptor type A (EDNRA) identified as the hub gene linking hypercholesterolemia and CRC. The results of the GO analysis showed that the common DEGs were primarily associated with the G-protein coupled receptor signaling pathway, extracellular space, and receptor binding. The results of the KEGG pathway enrichment analysis indicated enrichment in pathways related to cancer and the phospholipase D signaling pathway. Additionally, we identified potential target drugs, including Podocarpus montanus, Diospyros kaki, Herba Salviae japoniae, sitaxentan, and ambrisentan. We found that EDNRA might be an underlying biomarker for both hypercholesterolemia and CRC. The predicted target drugs provide new strategies for treating CRC.
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Affiliation(s)
- Kedong Han
- Department of Cardiology, Maoming People's Hospital
| | - Zhijiang He
- Department of Oncology, Maoming People's Hospital
| | - Yunjun Liu
- Department of Oncology, Maoming People's Hospital
| | - Hua Chen
- Department of Oncology, Maoming People's Hospital
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2
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Slayden A, Mysiewicz S, North K, Dopico A, Bukiya A. Cerebrovascular Effects of Alcohol Combined with Tetrahydrocannabinol. Cannabis Cannabinoid Res 2024; 9:252-266. [PMID: 36108317 PMCID: PMC10874832 DOI: 10.1089/can.2021.0234] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Introduction: Alcohol (ethanol) and cannabis are among the most widely used recreational drugs in the world. With increased efforts toward legalization of cannabis, there is an alarming trend toward the concomitant (including simultaneous) use of cannabis products with alcohol for recreational purpose. While each drug possesses a distinct effect on cerebral circulation, the consequences of their simultaneous use on cerebral artery diameter have never been studied. Thus, we set to address the effect of simultaneous application of alcohol and (-)-trans-Δ-9-tetrahydrocannabinol (THC) on cerebral artery diameter. Materials and Methods: We used Sprague-Dawley rats because rat cerebral circulation closely mimics morphology, ultrastructure, and function of cerebral circulation of humans. We focused on the middle cerebral artery (MCA) because it supplies blood to the largest brain territory when compared to any other cerebral artery stemming from the circle of Willis. Experiments were performed on pressurized MCA ex vivo, and in cranial windows in vivo. Ethanol and THC were probed at physiologically relevant concentrations. Researchers were "blind" to experimental group identity during data analysis to avoid bias. Results: In males, ethanol mixed with THC resulted in greater constriction of ex vivo pressurized MCA when compared to the effects exerted by separate application of each drug. In females, THC, ethanol, or their mixture failed to elicit measurable effect. Vasoconstriction by ethanol/THC mixture was ablated by either endothelium removal or pharmacological block of calcium- and voltage-gated potassium channels of large conductance (BK type) and cannabinoid receptors. Block of prostaglandin production and of endothelin receptors also blunted constriction by ethanol/THC. In males, the in vivo constriction of MCA by ethanol/THC did not differ from ethanol alone. In females, the in vivo constriction of this artery by ethanol was significantly smaller than in males. However, artery constriction by ethanol/THC did not differ from the constriction in males. Conclusions: Our data point at the complex nature of the cerebrovascular effects elicited by simultaneous use of ethanol and THC. These effects include both local and systemic components.
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Affiliation(s)
- Alexandria Slayden
- Department of Pharmacology, Addiction Science and Toxicology, College of Medicine, The University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Steven Mysiewicz
- Department of Pharmacology, Addiction Science and Toxicology, College of Medicine, The University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Kelsey North
- Department of Pharmacology, Addiction Science and Toxicology, College of Medicine, The University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Alex Dopico
- Department of Pharmacology, Addiction Science and Toxicology, College of Medicine, The University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Anna Bukiya
- Department of Pharmacology, Addiction Science and Toxicology, College of Medicine, The University of Tennessee Health Science Center, Memphis, Tennessee, USA
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3
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Martínez-Díaz I, Martos N, Llorens-Cebrià C, Álvarez FJ, Bedard PW, Vergara A, Jacobs-Cachá C, Soler MJ. Endothelin Receptor Antagonists in Kidney Disease. Int J Mol Sci 2023; 24:ijms24043427. [PMID: 36834836 PMCID: PMC9965540 DOI: 10.3390/ijms24043427] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/25/2023] [Accepted: 01/28/2023] [Indexed: 02/11/2023] Open
Abstract
Endothelin (ET) is found to be increased in kidney disease secondary to hyperglycaemia, hypertension, acidosis, and the presence of insulin or proinflammatory cytokines. In this context, ET, via the endothelin receptor type A (ETA) activation, causes sustained vasoconstriction of the afferent arterioles that produces deleterious effects such as hyperfiltration, podocyte damage, proteinuria and, eventually, GFR decline. Therefore, endothelin receptor antagonists (ERAs) have been proposed as a therapeutic strategy to reduce proteinuria and slow the progression of kidney disease. Preclinical and clinical evidence has revealed that the administration of ERAs reduces kidney fibrosis, inflammation and proteinuria. Currently, the efficacy of many ERAs to treat kidney disease is being tested in randomized controlled trials; however, some of these, such as avosentan and atrasentan, were not commercialized due to the adverse events related to their use. Therefore, to take advantage of the protective properties of the ERAs, the use of ETA receptor-specific antagonists and/or combining them with sodium-glucose cotransporter 2 inhibitors (SGLT2i) has been proposed to prevent oedemas, the main ERAs-related deleterious effect. The use of a dual angiotensin-II type 1/endothelin receptor blocker (sparsentan) is also being evaluated to treat kidney disease. Here, we reviewed the main ERAs developed and the preclinical and clinical evidence of their kidney-protective effects. Additionally, we provided an overview of new strategies that have been proposed to integrate ERAs in kidney disease treatment.
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Affiliation(s)
- Irene Martínez-Díaz
- Nephrology and Transplantation Research Group, Vall d’Hebron Institut de Recerca (VHIR), Vall d’Hebron Hospital Universitari, Vall d’Hebron Barcelona Hospital Campus, Passeig Vall d’Hebron 119-129, 08035 Barcelona, Spain
| | - Nerea Martos
- Nephrology and Transplantation Research Group, Vall d’Hebron Institut de Recerca (VHIR), Vall d’Hebron Hospital Universitari, Vall d’Hebron Barcelona Hospital Campus, Passeig Vall d’Hebron 119-129, 08035 Barcelona, Spain
| | - Carmen Llorens-Cebrià
- Nephrology and Transplantation Research Group, Vall d’Hebron Institut de Recerca (VHIR), Vall d’Hebron Hospital Universitari, Vall d’Hebron Barcelona Hospital Campus, Passeig Vall d’Hebron 119-129, 08035 Barcelona, Spain
| | | | | | - Ander Vergara
- Nephrology and Transplantation Research Group, Vall d’Hebron Institut de Recerca (VHIR), Vall d’Hebron Hospital Universitari, Vall d’Hebron Barcelona Hospital Campus, Passeig Vall d’Hebron 119-129, 08035 Barcelona, Spain
- Correspondence: (A.V.); (C.J.-C.)
| | - Conxita Jacobs-Cachá
- Nephrology and Transplantation Research Group, Vall d’Hebron Institut de Recerca (VHIR), Vall d’Hebron Hospital Universitari, Vall d’Hebron Barcelona Hospital Campus, Passeig Vall d’Hebron 119-129, 08035 Barcelona, Spain
- Correspondence: (A.V.); (C.J.-C.)
| | - Maria José Soler
- Nephrology and Transplantation Research Group, Vall d’Hebron Institut de Recerca (VHIR), Vall d’Hebron Hospital Universitari, Vall d’Hebron Barcelona Hospital Campus, Passeig Vall d’Hebron 119-129, 08035 Barcelona, Spain
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4
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Chung EYM, Badve SV, Heerspink HJL, Wong MG. Endothelin receptor antagonists in kidney protection for diabetic kidney disease and beyond? Nephrology (Carlton) 2023; 28:97-108. [PMID: 36350038 PMCID: PMC10100079 DOI: 10.1111/nep.14130] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/27/2022] [Accepted: 11/01/2022] [Indexed: 11/11/2022]
Abstract
The burden of chronic kidney disease is increasing worldwide, largely due to the increasing global prevalence of diabetes mellitus and hypertension. While renin angiotensin system inhibitors and sodium-glucose cotransporter two inhibitors are the management cornerstone for reducing kidney and cardiovascular complications in patients with diabetic and non-diabetic kidney disease (DKD), they are partially effective and further treatments are needed to prevent the progression to kidney failure. Endothelin receptor antagonism represent a potential additional therapeutic option due to its beneficial effect on pathophysiological processes involved in progressive kidney disease including proteinuria, which are independently associated with progression of kidney disease. This review discusses the biological mechanisms of endothelin receptor antagonists (ERA) in kidney protection, the efficacy and safety of ERA in randomised controlled trials reporting on kidney outcomes, and its potential future use in both diabetic and non-DKDs.
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Affiliation(s)
- Edmund Y M Chung
- Centre for Kidney Research, The Children's Hospital at Westmead, Westmead, New South Wales, Australia
| | - Sunil V Badve
- Renal and Metabolic Division, The George Institute for Global Health, University of New South Wales, Newtown, New South Wales, Australia.,Department of Renal Medicine, St George Hospital, Kogarah, New South Wales, Australia
| | - Hiddo J L Heerspink
- Renal and Metabolic Division, The George Institute for Global Health, University of New South Wales, Newtown, New South Wales, Australia.,Department of Clinical Pharmacoy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Muh Geot Wong
- Department of Renal Medicine, Concord Repatriation General Hospital, University of Sydney, Concord, New South Wales, Australia
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5
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Mirabito Colafella KM, Neves KB, Montezano AC, Garrelds IM, van Veghel R, de Vries R, Uijl E, Baelde HJ, van den Meiracker AH, Touyz RM, Danser AHJ, Versmissen J. Selective ETA vs. dual ETA/B receptor blockade for the prevention of sunitinib-induced hypertension and albuminuria in WKY rats. Cardiovasc Res 2021; 116:1779-1790. [PMID: 31593221 DOI: 10.1093/cvr/cvz260] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 06/23/2019] [Accepted: 10/01/2019] [Indexed: 12/13/2022] Open
Abstract
AIMS Although effective in preventing tumour growth, angiogenesis inhibitors cause off-target effects including cardiovascular toxicity and renal injury, most likely via endothelin (ET)-1 up-regulation. ET-1 via stimulation of the ETA receptor has pro-hypertensive actions whereas stimulation of the ETB receptor can elicit both pro- or anti-hypertensive effects. In this study, our aim was to determine the efficacy of selective ETA vs. dual ETA/B receptor blockade for the prevention of angiogenesis inhibitor-induced hypertension and albuminuria. METHODS AND RESULTS Male Wistar Kyoto (WKY) rats were treated with vehicle, sunitinib (angiogenesis inhibitor; 14 mg/kg/day) alone or in combination with macitentan (ETA/B receptor antagonist; 30 mg/kg/day) or sitaxentan (selective ETA receptor antagonist; 30 or 100 mg/kg/day) for 8 days. Compared with vehicle, sunitinib treatment caused a rapid and sustained increase in mean arterial pressure of ∼25 mmHg. Co-treatment with macitentan or sitaxentan abolished the pressor response to sunitinib. Sunitinib did not induce endothelial dysfunction. However, it was associated with increased aortic, mesenteric, and renal oxidative stress, an effect that was absent in mesenteric arteries of the macitentan and sitaxentan co-treated groups. Albuminuria was greater in the sunitinib- than vehicle-treated group. Co-treatment with sitaxentan, but not macitentan, prevented this increase in albuminuria. Sunitinib treatment increased circulating and urinary prostacyclin levels and had no effect on thromboxane levels. These increases in prostacyclin were blunted by co-treatment with sitaxentan. CONCLUSIONS Our results demonstrate that both selective ETA and dual ETA/B receptor antagonism prevents sunitinib-induced hypertension, whereas sunitinib-induced albuminuria was only prevented by selective ETA receptor antagonism. In addition, our results uncover a role for prostacyclin in the development of these effects. In conclusion, selective ETA receptor antagonism is sufficient for the prevention of sunitinib-induced hypertension and renal injury.
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Affiliation(s)
- Katrina M Mirabito Colafella
- Cardiovascular Disease Program, Department of Physiology, Biomedicine Discovery Institute, Monash University, 26 Innovation Walk, Melbourne, VIC 3800, Australia
- Division of Pharmacology and Vascular Medicine, Department of Internal Medicine, Erasmus MC, University Medical Centre, Rotterdam, The Netherlands
| | - Karla B Neves
- Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Augusto C Montezano
- Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Ingrid M Garrelds
- Cardiovascular Disease Program, Department of Physiology, Biomedicine Discovery Institute, Monash University, 26 Innovation Walk, Melbourne, VIC 3800, Australia
| | - Richard van Veghel
- Cardiovascular Disease Program, Department of Physiology, Biomedicine Discovery Institute, Monash University, 26 Innovation Walk, Melbourne, VIC 3800, Australia
| | - René de Vries
- Cardiovascular Disease Program, Department of Physiology, Biomedicine Discovery Institute, Monash University, 26 Innovation Walk, Melbourne, VIC 3800, Australia
| | - Estrellita Uijl
- Cardiovascular Disease Program, Department of Physiology, Biomedicine Discovery Institute, Monash University, 26 Innovation Walk, Melbourne, VIC 3800, Australia
| | - Hans J Baelde
- Department of Pathology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Anton H van den Meiracker
- Division of Pharmacology and Vascular Medicine, Department of Internal Medicine, Erasmus MC, University Medical Centre, Rotterdam, The Netherlands
| | - Rhian M Touyz
- Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - A H Jan Danser
- Division of Pharmacology and Vascular Medicine, Department of Internal Medicine, Erasmus MC, University Medical Centre, Rotterdam, The Netherlands
| | - Jorie Versmissen
- Division of Pharmacology and Vascular Medicine, Department of Internal Medicine, Erasmus MC, University Medical Centre, Rotterdam, The Netherlands
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Zebadúa R, Hernández-Pérez AP, García A, Zayas N, Sandoval J, López J, Pulido T. Macitentan in the treatment of pulmonary arterial hypertension. Future Cardiol 2020; 17:49-58. [PMID: 32677463 DOI: 10.2217/fca-2020-0012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is an uncommon but lethal and progressive disease in which prostacyclin, nitric oxide and endothelin-1 pathways are disturbed and contribute to the pathophysiology of this disease. Endothelin receptor antagonists are a class of drugs that have been approved as PAH therapy. Macitentan is a lipophilic, tissue specific, dual receptor antagonist with a higher potency than bosentan and a reduced risk of hepatic injury. Macitentan has shown a reduction in morbidity and mortality due to PAH at long-term follow-up and improvements in hemodynamics, exercise capacity and functional class at the short term. Its main adverse events are nasopharyngitis, bronchitis and an increased risk of anemia. We review the clinical data of macitentan and its use in PAH.
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Affiliation(s)
- Rodrigo Zebadúa
- Cardiopulmonary Department, National Heart Institute, Mexico City, Mexico
| | | | - Antonio García
- Cardiopulmonary Department, National Heart Institute, Mexico City, Mexico
| | - Nayeli Zayas
- Cardiopulmonary Department, National Heart Institute, Mexico City, Mexico
| | - Julio Sandoval
- Cardiopulmonary Department, National Heart Institute, Mexico City, Mexico
| | - Julio López
- Cardiopulmonary Department, National Heart Institute, Mexico City, Mexico
| | - Tomás Pulido
- Cardiopulmonary Department, National Heart Institute, Mexico City, Mexico
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7
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Zuo S, Liu J, Zuo A.
N
‐Hydroxy
‐1,6‐methano[10]annulene‐3,4‐dicarboximide/Co(
OAc
)
2
: A novel catalytic system for the aerobic oxidation of alkylarenes. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.3971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Shengli Zuo
- State Key Laboratory of Chemical Resource Engineering, Department of Applied Chemistry, College of ChemistryBeijing University of Chemical Technology Beijing China
| | - Jianjun Liu
- State Key Laboratory of Chemical Resource Engineering, Department of Applied Chemistry, College of ChemistryBeijing University of Chemical Technology Beijing China
| | - Ang Zuo
- Department of Chemistry and BiochemistryUniversity of Notre Dame Notre Dame Indiana USA
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8
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Hoenicka M, Golovchenko S, Englert L, Spaeth M, Shoshiashvili L, Großer C, Hofmann HS, Ried M. Combination Therapy of Pulmonary Arterial Hypertension with Vardenafil and Macitentan Assessed in a Human Ex Vivo Model. Cardiovasc Drugs Ther 2019; 33:287-295. [DOI: 10.1007/s10557-019-06868-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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9
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Recent Advances in Homogeneous Metal-Catalyzed Aerobic C–H Oxidation of Benzylic Compounds. Catalysts 2018. [DOI: 10.3390/catal8120640] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Csp3–H oxidation of benzylic methylene compounds is an established strategy for the synthesis of aromatic ketones, esters, and amides. The need for more sustainable oxidizers has encouraged researchers to explore the use of molecular oxygen. In particular, homogeneous metal-catalyzed aerobic oxidation of benzylic methylenes has attracted much attention. This account summarizes the development of this oxidative strategy in the last two decades, examining key factors such as reaction yields, substrate:catalyst ratio, substrate scope, selectivity over other oxidation byproducts, and reaction conditions including solvents and temperature. Finally, several mechanistic proposals to explain the observed results will be discussed.
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10
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Kenna JG, Stahl SH, Eakins JA, Foster AJ, Andersson LC, Bergare J, Billger M, Elebring M, Elmore CS, Thompson RA. Multiple compound-related adverse properties contribute to liver injury caused by endothelin receptor antagonists. J Pharmacol Exp Ther 2015; 352:281-90. [PMID: 25467130 DOI: 10.1124/jpet.114.220491] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Drug-induced liver injury has been observed in patients treated with the endothelin receptor antagonists sitaxentan and bosentan, but not following treatment with ambrisentan. The aim of our studies was to assess the possible role of multiple contributory mechanisms in this clinically relevant toxicity. Inhibition of the bile salt export pump (BSEP) and multidrug resistance-associated protein 2 was quantified using membrane vesicle assays. Inhibition of mitochondrial respiration in human liver-derived HuH-7 cells was determined using a Seahorse XF(e96) analyzer. Cytochrome P450 (P450)-independent and P450-mediated cell toxicity was assessed using transfected SV40-T-antigen-immortalized human liver epithelial (THLE) cell lines. Exposure-adjusted assay ratios were calculated by dividing the maximum human drug plasma concentrations by the IC50 or EC50 values obtained in vitro. Covalent binding (CVB) of radiolabeled drugs to human hepatocytes was quantified, and CVB body burdens were calculated by adjusting CVB values for fractional drug turnover in vitro and daily therapeutic dose. Sitaxentan exhibited positive exposure-adjusted signals in all five in vitro assays and a high CVB body burden. Bosentan exhibited a positive exposure-adjusted signal in one assay (BSEP inhibition) and a moderate CVB body burden. Ambrisentan exhibited no positive exposure-adjusted assay signals and a low CVB body burden. These data indicate that multiple mechanisms contribute to the rare, but potentially severe liver injury caused by sitaxentan in humans; provide a plausible rationale for the markedly lower propensity of bosentan to cause liver injury; and highlight the relative safety of ambrisentan.
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Affiliation(s)
- J Gerry Kenna
- Drug Safety Consultant, Macclesfield, Cheshire, United Kingdom (J.G.K.); DMPK (S.H.S.), Discovery Safety (J.A.E.), and Translational Safety (A.J.F.), Drug Safety and Metabolism, AstraZeneca R&D Alderley Park, Macclesfield, Cheshire, United Kingdom; DMPK (L.C.A., J.B., C.S.E.), Regulatory Safety (M.B.), Drug Safety and Metabolism, AstraZeneca R&D Mölndal, Mölndal, Sweden; and DMPK, Cardiovascular and Metabolic Diseases (M.E.), and Respiratory, Inflammation, and Autoimmunity (R.A.T.), iMED AstraZeneca R&D Mölndal, Mölndal, Sweden
| | - Simone H Stahl
- Drug Safety Consultant, Macclesfield, Cheshire, United Kingdom (J.G.K.); DMPK (S.H.S.), Discovery Safety (J.A.E.), and Translational Safety (A.J.F.), Drug Safety and Metabolism, AstraZeneca R&D Alderley Park, Macclesfield, Cheshire, United Kingdom; DMPK (L.C.A., J.B., C.S.E.), Regulatory Safety (M.B.), Drug Safety and Metabolism, AstraZeneca R&D Mölndal, Mölndal, Sweden; and DMPK, Cardiovascular and Metabolic Diseases (M.E.), and Respiratory, Inflammation, and Autoimmunity (R.A.T.), iMED AstraZeneca R&D Mölndal, Mölndal, Sweden
| | - Julie A Eakins
- Drug Safety Consultant, Macclesfield, Cheshire, United Kingdom (J.G.K.); DMPK (S.H.S.), Discovery Safety (J.A.E.), and Translational Safety (A.J.F.), Drug Safety and Metabolism, AstraZeneca R&D Alderley Park, Macclesfield, Cheshire, United Kingdom; DMPK (L.C.A., J.B., C.S.E.), Regulatory Safety (M.B.), Drug Safety and Metabolism, AstraZeneca R&D Mölndal, Mölndal, Sweden; and DMPK, Cardiovascular and Metabolic Diseases (M.E.), and Respiratory, Inflammation, and Autoimmunity (R.A.T.), iMED AstraZeneca R&D Mölndal, Mölndal, Sweden
| | - Alison J Foster
- Drug Safety Consultant, Macclesfield, Cheshire, United Kingdom (J.G.K.); DMPK (S.H.S.), Discovery Safety (J.A.E.), and Translational Safety (A.J.F.), Drug Safety and Metabolism, AstraZeneca R&D Alderley Park, Macclesfield, Cheshire, United Kingdom; DMPK (L.C.A., J.B., C.S.E.), Regulatory Safety (M.B.), Drug Safety and Metabolism, AstraZeneca R&D Mölndal, Mölndal, Sweden; and DMPK, Cardiovascular and Metabolic Diseases (M.E.), and Respiratory, Inflammation, and Autoimmunity (R.A.T.), iMED AstraZeneca R&D Mölndal, Mölndal, Sweden
| | - Linda C Andersson
- Drug Safety Consultant, Macclesfield, Cheshire, United Kingdom (J.G.K.); DMPK (S.H.S.), Discovery Safety (J.A.E.), and Translational Safety (A.J.F.), Drug Safety and Metabolism, AstraZeneca R&D Alderley Park, Macclesfield, Cheshire, United Kingdom; DMPK (L.C.A., J.B., C.S.E.), Regulatory Safety (M.B.), Drug Safety and Metabolism, AstraZeneca R&D Mölndal, Mölndal, Sweden; and DMPK, Cardiovascular and Metabolic Diseases (M.E.), and Respiratory, Inflammation, and Autoimmunity (R.A.T.), iMED AstraZeneca R&D Mölndal, Mölndal, Sweden
| | - Jonas Bergare
- Drug Safety Consultant, Macclesfield, Cheshire, United Kingdom (J.G.K.); DMPK (S.H.S.), Discovery Safety (J.A.E.), and Translational Safety (A.J.F.), Drug Safety and Metabolism, AstraZeneca R&D Alderley Park, Macclesfield, Cheshire, United Kingdom; DMPK (L.C.A., J.B., C.S.E.), Regulatory Safety (M.B.), Drug Safety and Metabolism, AstraZeneca R&D Mölndal, Mölndal, Sweden; and DMPK, Cardiovascular and Metabolic Diseases (M.E.), and Respiratory, Inflammation, and Autoimmunity (R.A.T.), iMED AstraZeneca R&D Mölndal, Mölndal, Sweden
| | - Martin Billger
- Drug Safety Consultant, Macclesfield, Cheshire, United Kingdom (J.G.K.); DMPK (S.H.S.), Discovery Safety (J.A.E.), and Translational Safety (A.J.F.), Drug Safety and Metabolism, AstraZeneca R&D Alderley Park, Macclesfield, Cheshire, United Kingdom; DMPK (L.C.A., J.B., C.S.E.), Regulatory Safety (M.B.), Drug Safety and Metabolism, AstraZeneca R&D Mölndal, Mölndal, Sweden; and DMPK, Cardiovascular and Metabolic Diseases (M.E.), and Respiratory, Inflammation, and Autoimmunity (R.A.T.), iMED AstraZeneca R&D Mölndal, Mölndal, Sweden
| | - Marie Elebring
- Drug Safety Consultant, Macclesfield, Cheshire, United Kingdom (J.G.K.); DMPK (S.H.S.), Discovery Safety (J.A.E.), and Translational Safety (A.J.F.), Drug Safety and Metabolism, AstraZeneca R&D Alderley Park, Macclesfield, Cheshire, United Kingdom; DMPK (L.C.A., J.B., C.S.E.), Regulatory Safety (M.B.), Drug Safety and Metabolism, AstraZeneca R&D Mölndal, Mölndal, Sweden; and DMPK, Cardiovascular and Metabolic Diseases (M.E.), and Respiratory, Inflammation, and Autoimmunity (R.A.T.), iMED AstraZeneca R&D Mölndal, Mölndal, Sweden
| | - Charles S Elmore
- Drug Safety Consultant, Macclesfield, Cheshire, United Kingdom (J.G.K.); DMPK (S.H.S.), Discovery Safety (J.A.E.), and Translational Safety (A.J.F.), Drug Safety and Metabolism, AstraZeneca R&D Alderley Park, Macclesfield, Cheshire, United Kingdom; DMPK (L.C.A., J.B., C.S.E.), Regulatory Safety (M.B.), Drug Safety and Metabolism, AstraZeneca R&D Mölndal, Mölndal, Sweden; and DMPK, Cardiovascular and Metabolic Diseases (M.E.), and Respiratory, Inflammation, and Autoimmunity (R.A.T.), iMED AstraZeneca R&D Mölndal, Mölndal, Sweden
| | - Richard A Thompson
- Drug Safety Consultant, Macclesfield, Cheshire, United Kingdom (J.G.K.); DMPK (S.H.S.), Discovery Safety (J.A.E.), and Translational Safety (A.J.F.), Drug Safety and Metabolism, AstraZeneca R&D Alderley Park, Macclesfield, Cheshire, United Kingdom; DMPK (L.C.A., J.B., C.S.E.), Regulatory Safety (M.B.), Drug Safety and Metabolism, AstraZeneca R&D Mölndal, Mölndal, Sweden; and DMPK, Cardiovascular and Metabolic Diseases (M.E.), and Respiratory, Inflammation, and Autoimmunity (R.A.T.), iMED AstraZeneca R&D Mölndal, Mölndal, Sweden
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Owen K, Cross DM, Derzi M, Horsley E, Stavros FL. An overview of the preclinical toxicity and potential carcinogenicity of sitaxentan (Thelin®), a potent endothelin receptor antagonist developed for pulmonary arterial hypertension. Regul Toxicol Pharmacol 2012; 64:95-103. [DOI: 10.1016/j.yrtph.2012.05.017] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Accepted: 05/29/2012] [Indexed: 01/09/2023]
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Tanaka K, Inoue S, Murai N, Shirotori S, Nakamoto K, Abe S, Horii T, Miyazaki M, Hata K, Watanabe N, Asada M, Matsukura M. An Effective Synthesis of a (Pyridin-3-yl)isoxazole via 1,3-Dipolar Cycloaddition Using ZnCl2: Synthesis of a (2-Aminopyridin-3-yl)isoxazole Derivative and Its Antifungal Activity. CHEM LETT 2010. [DOI: 10.1246/cl.2010.1033] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Abstract
Elevated endothelin (ET)-1 levels are strongly correlated with the pathogenesis and prognosis of pulmonary arterial hypertension (PAH). Ambrisentan is an orally active, highly selective ETA receptor antagonist with >4000-fold higher selectivity over the ETB receptor. In two large, well designed, 12-week, placebo-controlled, phase III trials (ARIES-1, n = 202 and ARIES-2, n = 192) in patients with PAH (WHO group I), ambrisentan 2.5-10 mg once daily significantly increased 6-minute walk distance by 31-59 m from baseline (primary outcome measure) versus placebo. The incidence of clinical worsening (secondary outcome measure) was significantly delayed for the combined ambrisentan 5 mg once daily groups versus the combined placebo groups from ARIES-1 and -2. At week 12, WHO functional class distribution was significantly improved with once-daily ambrisentan 5 mg, and Borg dyspnoea scores were significantly improved with ambrisentan 2.5-10 mg versus placebo in combined data from the ARIES-1 and -2 trials. The beneficial effects of ambrisentan on exercise capacity, WHO functional class and Borg dyspnoea scores seen at 12 weeks were maintained at 48 weeks in the ARIES-E phase III extension trial (n = 361). One-year survival rates with ambrisentan were 95-97%. Treatment with ambrisentan for up to 2.8 years was generally well tolerated in clinical trials.
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de la Peña Lefebvre PG. [New clinical features in scleroderma]. REUMATOLOGIA CLINICA 2008; 4 Suppl 1:45-49. [PMID: 21794554 DOI: 10.1016/s1699-258x(08)76140-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Systemic sclerosis (SS) is a disease whose handling is, in many occasions, frustrating for the patient as for the doctor, given the lack of effective therapies. It is hopeful at least, the fact that in the last decade new features have taken place that help us to make a better pursuit of the patients and who have opened the doors towards new and future therapies.
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&NA;. Sitaxentan: a guide to its use in pulmonary arterial hypertension. DRUGS & THERAPY PERSPECTIVES 2007. [DOI: 10.2165/00042310-200723090-00002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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