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Papadopoulos C, Panopoulou M, Anagnostopoulos K, Tentes I. Immune and Metabolic Interactions of Human Erythrocytes: A Molecular Perspective. Endocr Metab Immune Disord Drug Targets 2020; 21:843-853. [PMID: 33148159 DOI: 10.2174/1871530320666201104115016] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 09/15/2020] [Accepted: 09/24/2020] [Indexed: 11/22/2022]
Abstract
Apart from their main function as oxygen carriers in vertebrates, erythrocytes are also involved in immune regulation. By circulating throughout the body, the erythrocytes are exposed and interact with tissues that are damaged as a result of a disease. In this study, we summarize the literature regarding the contribution of erythrocytes to immune regulation and metabolism. Under the circumstances of a disease state, the erythrocytes may lose their antioxidant capacity and release Damage Associated Molecular Patterns, resulting in the regulation of innate and adaptive immunity. In addition, the erythrocytes scavenge and affect the levels of chemokines, circulating cell-free mtDNA, and C3b attached immune complexes. Furthermore, through surface molecules, erythrocytes control the function of T lymphocytes, macrophages, and dendritic cells. Through an array of enzymes, red blood cells contribute to the pool of blood's bioactive lipids. Finally, the erythrocytes contribute to reverse cholesterol transport through various mechanisms. Our study is highlighting overlooked molecular interactions between erythrocytes and immunity and metabolism, which could lead to the discovery of potent therapeutic targets for immunometabolic diseases.
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Affiliation(s)
| | - Maria Panopoulou
- Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
| | | | - Ioannis Tentes
- Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
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Soluble Epoxide Hydrolase Hepatic Deficiency Ameliorates Alcohol-Associated Liver Disease. Cell Mol Gastroenterol Hepatol 2020; 11:815-830. [PMID: 33068774 PMCID: PMC7851189 DOI: 10.1016/j.jcmgh.2020.10.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 10/02/2020] [Accepted: 10/07/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND & AIMS Alcohol-associated liver disease (ALD) is a significant cause of liver-related morbidity and mortality worldwide and with limited therapies. Soluble epoxide hydrolase (sEH; Ephx2) is a largely cytosolic enzyme that is highly expressed in the liver and is implicated in hepatic function, but its role in ALD is mostly unexplored. METHODS To decipher the role of hepatic sEH in ALD, we generated mice with liver-specific sEH disruption (Alb-Cre; Ephx2fl/fl). Alb-Cre; Ephx2fl/fl and control (Ephx2fl/fl) mice were subjected to an ethanol challenge using the chronic plus binge model of ALD and hepatic injury, inflammation, and steatosis were evaluated under pair-fed and ethanol-fed states. In addition, we investigated the capacity of pharmacologic inhibition of sEH in the chronic plus binge mouse model. RESULTS We observed an increase of hepatic sEH in mice upon ethanol consumption, suggesting that dysregulated hepatic sEH expression might be involved in ALD. Alb-Cre; Ephx2fl/fl mice presented efficient deletion of hepatic sEH with corresponding attenuation in sEH activity and alteration in the lipid epoxide/diol ratio. Consistently, hepatic sEH deficiency ameliorated ethanol-induced hepatic injury, inflammation, and steatosis. In addition, targeted metabolomics identified lipid mediators that were impacted significantly by hepatic sEH deficiency. Moreover, hepatic sEH deficiency was associated with a significant attenuation of ethanol-induced hepatic endoplasmic reticulum and oxidative stress. Notably, pharmacologic inhibition of sEH recapitulated the effects of hepatic sEH deficiency and abrogated injury, inflammation, and steatosis caused by ethanol feeding. CONCLUSIONS These findings elucidated a role for sEH in ALD and validated a pharmacologic inhibitor of this enzyme in a preclinical mouse model as a potential therapeutic approach.
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Sisignano M, Steinhilber D, Parnham MJ, Geisslinger G. Exploring CYP2J2: lipid mediators, inhibitors and therapeutic implications. Drug Discov Today 2020; 25:1744-1753. [DOI: 10.1016/j.drudis.2020.07.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 06/16/2020] [Accepted: 07/02/2020] [Indexed: 12/30/2022]
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Lu H, Xu D, Yang Y, Feng Q, Sun J, Li Q, Zhao J, Zhou X, Niu H, Liu J, He P, Ding Y. Genetic Polymorphisms of CYP2C9/ CYP2C19 in Chronic Obstructive Pulmonary Disease. COPD 2020; 17:595-600. [PMID: 32757668 DOI: 10.1080/15412555.2020.1780577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is a high incidence in the elderly and significantly affects the quality of life. CYP2C9 and CYP2C19 play an important role in tobacco-related diseases and inflammatory reactions. Thus, we aim to investigate the association between CYP2C9/CYP2C19 polymorphisms and the risk of COPD. In this study, a total of 821 subjects were recruited which include 313 COPD cases and 508 healthy controls. Seven SNPs of CYP2C9/CYP2C19 were selected for genotyping. The odds ratios (ORs) and 95% confidence interval (95% CI) were calculated using logistic regression analysis to evaluate the association between COPD risk and CYP2C9/CYP2C19 polymorphisms. Our study showed that A allele of rs9332220 in CYP2C9 was associated with reducing COPD risk (OR = 0.64, 95% CI = 0.43-0.94, p = 0.021). And rs111853758 G allele carrier could significantly decrease 0.35-fold COPD risk compared with T allele carrier (OR = 0.65, 95% CI = 0.45-0.96, p = 0.027). Furthermore, sex-based stratification analysis showed that rs9332220 and rs111853758 polymorphisms were associated with the risk of COPD in males. This is the first study to investigate the association between CYP2C9 and CYP2C19 genetic polymorphisms and COPD risk, which may give a new perspective on the prevention and diagnosis of COPD.
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Affiliation(s)
- Hui Lu
- Hainan Provincial Key Laboratory for human reproductive medicine and Genetic Research, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China.,Department of Reproductive Medicine, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China
| | - Dongchuan Xu
- Department of Emergency, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Yixiu Yang
- Department of General Practice, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Qiong Feng
- Hainan Affiliated Hospital of Hainan Medical University, University of South China, Haikou, Hainan, China
| | - Juan Sun
- Department of Emergency, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Quanni Li
- Department of Emergency, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Jie Zhao
- Hainan Affiliated Hospital of Hainan Medical University, University of South China, Haikou, Hainan, China
| | - Xiaoli Zhou
- Department of Emergency, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Huan Niu
- Department of Emergency, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Jianfang Liu
- Hainan Affiliated Hospital of Hainan Medical University, University of South China, Haikou, Hainan, China
| | - Ping He
- Department of Emergency, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Yipeng Ding
- Department of General Practice, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
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Navarro-Mabarak C, Loaiza-Zuluaga M, Hernández-Ojeda SL, Camacho-Carranza R, Espinosa-Aguirre JJ. Neuroinflammation is able to downregulate cytochrome P450 epoxygenases 2J3 and 2C11 in the rat brain. Brain Res Bull 2020; 163:57-64. [PMID: 32707261 DOI: 10.1016/j.brainresbull.2020.07.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/24/2020] [Accepted: 07/16/2020] [Indexed: 10/23/2022]
Abstract
Cytochrome P450 (CYP) epoxygenases have been considered the main producers of epoxyeicosatrienoic acids (EETs) through the oxidation of arachidonic acid (AA). EETs display various biological properties, notably their powerful anti-inflammatory activities. In the brain, EETs have proven to be neuroprotective and to improve neuroinflammation. However, it is known that inflammation could modify CYP expression. We have previously reported that an inflammatory process in astrocytes is able to down-regulate CYP2J3 and CYP2C11 mRNA, protein levels, and activity (Navarro-Mabarak et al., 2019). In this work, we evaluated the effect of neuroinflammation in protein expression of CYP epoxygenases in the brain. Neuroinflammation was induced by the intraperitoneal administration of LPS (1 mg/kg) to male Wistar rats and was corroborated by IL-6, GFAP, and Iba-1 protein levels in the cortex over time. CYP2J3 and CYP2C11 protein levels were also evaluated in the cortex after 6, 12, 24, 48, and 72 h of LPS treatment. Our results show for the first time that neuroinflammation is able to downregulate CYP2J3 and CYP2C11 protein expression in the brain cortex.
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Affiliation(s)
- C Navarro-Mabarak
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - M Loaiza-Zuluaga
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - S L Hernández-Ojeda
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - R Camacho-Carranza
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - J J Espinosa-Aguirre
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México.
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Du Y, Minn I, Foss C, Lesniak WG, Hu F, Dannals RF, Pomper MG, Horti AG. PET imaging of soluble epoxide hydrolase in non-human primate brain with [ 18F]FNDP. EJNMMI Res 2020; 10:67. [PMID: 32572592 PMCID: PMC7310027 DOI: 10.1186/s13550-020-00657-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 06/09/2020] [Indexed: 02/07/2023] Open
Abstract
Purpose Soluble epoxide hydrolase (sEH) is a promising candidate positron emission tomography (PET) imaging biomarker altered in various disorders, including vascular cognitive impairment (VCI), Alzheimer’s disease (AD), Parkinson’s disease (PD), stroke, and depression, known to regulate levels of epoxyeicosatrienoic acids (EETs) and play an important role in neurovascular coupling. [18F]FNDP, a PET radiotracer for imaging sEH, was evaluated through quantitative PET imaging in the baboon brain, radiometabolite analysis, and radiation dosimetry estimate. Methods Baboon [18F]FNDP dynamic PET studies were performed at baseline and with blocking doses of the selective sEH inhibitor AR-9281 to evaluate sEH binding specificity. Radiometabolites of [18F]FNDP in mice and baboons were measured by high-performance liquid chromatography. Regional brain distribution volume (VT) of [18F]FNDP was computed from PET using radiometabolite-corrected arterial input functions. Full body distribution of [18F]FNDP was studied in CD-1 mice, and the human effective dose was estimated using OLINDA/EXM software. Results [18F]FNDP exhibited high and rapid brain uptake in baboons. AR-9281 blocked [18F]FNDP uptake dose-dependently with a baseline VT of 10.9 ± 2.4 mL/mL and a high-dose blocking VT of 1.0 ± 0.09 mL/mL, indicating substantial binding specificity (91.70 ± 1.74%). The VND was estimated as 0.865 ± 0.066 mL/mL. The estimated occupancy values of AR-9281 were 99.2 ± 1.1% for 1 mg/kg, 88.6 ± 1.3% for 0.1 mg/kg, and 33.8 ± 3.8% for 0.02 mg/kg. Murine biodistribution of [18F]FNDP enabled an effective dose estimate for humans (0.032 mSv/MBq). [18F]FNDP forms hydrophilic radiometabolites in murine and non-human primate plasma. However, only minute amounts of the radiometabolites entered the animal brain (< 2% in mice). Conclusions [18F]FNDP is a highly sEH-specific radiotracer that is suitable for quantitative PET imaging in the baboon brain. [18F]FNDP holds promise for translation to human subjects.
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Affiliation(s)
- Yong Du
- Division of Nuclear Medicine and Molecular Imaging, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, 601 North Caroline Street, JHOC 3223, Baltimore, MD, 21287, USA.
| | - Il Minn
- Division of Nuclear Medicine and Molecular Imaging, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, 601 North Caroline Street, JHOC 3223, Baltimore, MD, 21287, USA
| | - Catherine Foss
- Division of Nuclear Medicine and Molecular Imaging, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, 601 North Caroline Street, JHOC 3223, Baltimore, MD, 21287, USA
| | - Wojciech G Lesniak
- Division of Nuclear Medicine and Molecular Imaging, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, 601 North Caroline Street, JHOC 3223, Baltimore, MD, 21287, USA
| | - Feng Hu
- Division of Nuclear Medicine and Molecular Imaging, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, 601 North Caroline Street, JHOC 3223, Baltimore, MD, 21287, USA
| | - Robert F Dannals
- Division of Nuclear Medicine and Molecular Imaging, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, 601 North Caroline Street, JHOC 3223, Baltimore, MD, 21287, USA
| | - Martin G Pomper
- Division of Nuclear Medicine and Molecular Imaging, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, 601 North Caroline Street, JHOC 3223, Baltimore, MD, 21287, USA
| | - Andrew G Horti
- Division of Nuclear Medicine and Molecular Imaging, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, 601 North Caroline Street, JHOC 3223, Baltimore, MD, 21287, USA.
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Hejazi L, Rezaee E, Tabatabai SA. Quinazoline-4(3H)-one derivatives as novel and potent inhibitors of soluble epoxide hydrolase: Design, synthesis and biological evaluation. Bioorg Chem 2020; 99:103736. [DOI: 10.1016/j.bioorg.2020.103736] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 02/03/2020] [Accepted: 03/07/2020] [Indexed: 12/31/2022]
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Arad M, Waldman M, Abraham NG, Hochhauser E. Therapeutic approaches to diabetic cardiomyopathy: Targeting the antioxidant pathway. Prostaglandins Other Lipid Mediat 2020; 150:106454. [PMID: 32413571 DOI: 10.1016/j.prostaglandins.2020.106454] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/23/2020] [Accepted: 05/06/2020] [Indexed: 12/25/2022]
Abstract
The global epidemic of cardiovascular disease continues unabated and remains the leading cause of death both in the US and worldwide. We hereby summarize the available therapies for diabetes and cardiovascular disease in diabetics. Clearly, the current approaches to diabetic heart disease often target the manifestations and certain mediators but not the specific pathways leading to myocardial injury, remodeling and dysfunction. Better understanding of the molecular events determining the evolution of diabetic cardiomyopathy will provide insight into the development of specific and targeted therapies. Recent studies largely increased our understanding of the role of enhanced inflammatory response, ROS production, as well as the contribution of Cyp-P450-epoxygenase-derived epoxyeicosatrienoic acid (EET), Peroxisome Proliferator-Activated Receptor Gamma Coactivator-1α (PGC-1α), Heme Oxygenase (HO)-1 and 20-HETE in pathophysiology and therapy of cardiovascular disease. PGC-1α increases production of the HO-1 which has a major role in protecting the heart against oxidative stress, microcirculation and mitochondrial dysfunction. This review describes the potential drugs and their downstream targets, PGC-1α and HO-1, as major loci for developing therapeutic approaches beside diet and lifestyle modification for the treatment and prevention of heart disease associated with obesity and diabetes.
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Affiliation(s)
- Michael Arad
- Leviev Heart Center, Sheba Medical Center, Tel Hashomer, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Maayan Waldman
- Leviev Heart Center, Sheba Medical Center, Tel Hashomer, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; Cardiac Research Laboratory, Felsenstein Medical Research Institute, Tel Aviv University, Tel Aviv, Israel
| | - Nader G Abraham
- Department of Pharmacology, New York Medical College, Valhalla, NY 10595, USA
| | - Edith Hochhauser
- Cardiac Research Laboratory, Felsenstein Medical Research Institute, Tel Aviv University, Tel Aviv, Israel.
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59
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Atone J, Wagner K, Hashimoto K, Hammock BD. Cytochrome P450 derived epoxidized fatty acids as a therapeutic tool against neuroinflammatory diseases. Prostaglandins Other Lipid Mediat 2020; 147:106385. [PMID: 31698143 PMCID: PMC7067627 DOI: 10.1016/j.prostaglandins.2019.106385] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 07/26/2019] [Accepted: 08/08/2019] [Indexed: 12/23/2022]
Abstract
Cytochrome P450 (CYP) metabolism of arachidonic acid (ARA) produces epoxy fatty acids (EpFAs) such as epoxyeicosatrienoic acids (EETs) that are known to exert protective effects in inflammatory disorders. Endogenous EpFAs are further metabolized into corresponding diols by the soluble epoxide hydrolase (sEH). Through inhibition of sEH, many studies have demonstrated the cardioprotective and renoprotective effects of EpFAs; however, the role of sEH inhibition in modulating the pathogenesis of neuroinflammatory disorders is less well described. In this review, we discuss the current knowledge surrounding the effects of sEH inhibition and EpFA action in neuroinflammatory disorders such as Parkinson's Disease (PD), stroke, depression, epilepsy, and Alzheimer's Disease (AD), as well as the potential mechanisms that underlie the therapeutic effects of sEH inhibition.
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Affiliation(s)
- Jogen Atone
- Department of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California Davis, Davis, CA, United States
| | - Karen Wagner
- Department of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California Davis, Davis, CA, United States
| | - Kenji Hashimoto
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, Japan
| | - Bruce D Hammock
- Department of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California Davis, Davis, CA, United States.
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CYP2J2 Modulates Diverse Transcriptional Programs in Adult Human Cardiomyocytes. Sci Rep 2020; 10:5329. [PMID: 32210298 PMCID: PMC7093536 DOI: 10.1038/s41598-020-62174-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 03/06/2020] [Indexed: 01/05/2023] Open
Abstract
CYP2J2, a member of the Cytochrome P450 family of enzymes, is the most abundant epoxygenase in the heart and has multifunctional properties including bioactivation of arachidonic acid to epoxyeicosatrienoic acids, which, in turn, have been implicated in mediating several cardiovascular conditions. Using a proteomic approach, we found that CYP2J2 expression is lower in cardiac tissue from patients with cardiomyopathy compared to controls. In order to better elucidate the complex role played by CYP2J2 in cardiac cells, we performed targeted silencing of CYP2J2 expression in human adult ventricular cardiomyocytes and interrogated whole genome transcriptional responses. We found that knockdown of CYP2J2 elicits widespread alterations in gene expression of ventricular cardiomyocytes and leads to the activation of a diverse repertoire of programs, including those involved in ion channel signaling, development, extracellular matrix, and metabolism. Several members of the differentially up-regulated ion channel module have well-known pathogenetic roles in cardiac dysrhythmias. By leveraging causal network and upstream regulator analysis, we identified several candidate drivers of the observed transcriptional response to CYP2J2 silencing; these master regulators have been implicated in aberrant cardiac remodeling, heart failure, and myocyte injury and repair. Collectively, our study demonstrates that CYP2J2 plays a central and multifaceted role in cardiomyocyte homeostasis and provides a framework for identifying critical regulators and pathways influenced by this gene in cardiovascular health and disease.
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Zhang L, Xu S, Wu X, Muse FM, Chen J, Cao Y, Yan J, Cheng Z, Yi X, Han Z. Protective Effects of the Soluble Epoxide Hydrolase Inhibitor 1-Trifluoromethoxyphenyl-3-(1-Propionylpiperidin-4-yl) Urea in a Rat Model of Permanent Middle Cerebral Artery Occlusion. Front Pharmacol 2020; 11:182. [PMID: 32184732 PMCID: PMC7058996 DOI: 10.3389/fphar.2020.00182] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 02/10/2020] [Indexed: 02/06/2023] Open
Abstract
Acute ischemic stroke is a serious disease that endangers human health. In our efforts to develop an effective therapy, we previously showed that the potent, highly selective inhibitor of soluble epoxide hydrolase called 1-trifuoromethoxyphenyl-3-(1-propionylpiperidin-4-yl) urea (TPPU) protects the brain against focal ischemia in rats. Here we explored the mechanism of TPPU action by assessing whether it could preserve blood-brain barrier integrity and reduce apoptosis in the brain during permanent middle cerebral artery occlusion in male Sprague-Dawley rats. TPPU administration at the onset of stroke and once daily thereafter led to smaller infarct volume and brain edema as well as milder neurological deficits. TPPU significantly inhibited the activity of soluble epoxide hydrolase and matrix metalloproteases 2 and 9, reducing 14,15-DHET levels, while increasing expression of tight junction proteins. TPPU decreased numbers of apoptotic cells by down-regulating the pro-apoptotic proteins BAX and Caspase-3, while up-regulating the anti-apoptotic protein BCL-2. Our results suggest that TPPU can protect the blood-brain barrier and reduce the apoptosis of brain tissue caused by ischemia.
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Affiliation(s)
- Linlei Zhang
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.,Department of General Intensive Care Unit, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Shasha Xu
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xiaoxiao Wu
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Farah Mohamed Muse
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jiaou Chen
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yungang Cao
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jueyue Yan
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Zicheng Cheng
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xingyang Yi
- Department of Neurology, People's Hospital of Deyang City, Deyang, China
| | - Zhao Han
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
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Song M, Hwang GT. DNA-Encoded Library Screening as Core Platform Technology in Drug Discovery: Its Synthetic Method Development and Applications in DEL Synthesis. J Med Chem 2020; 63:6578-6599. [PMID: 32039601 DOI: 10.1021/acs.jmedchem.9b01782] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
DNA-encoded library technology (DELT) was introduced to our medicinal chemistry society more than 20 years ago. The application of DELT in the development of clinical candidates has been actively reported in the literature recently. A few representative examples include RIP1K inhibitors for inflammatory diseases and sEH inhibitors for endothelial dysfunction or abnormal tissue repair, among many others. Here, the authors would like to recall the recent developments in on-DNA synthetic methodologies for DEL construction and to analyze recent examples in the literature of DELT-based drug development efforts pursued in both the academic and industrial sectors. With this perspective, we hope to provide a useful summary of recent DELT-based drug discovery research and to discuss the future scope of DELT in medicinal chemistry.
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Affiliation(s)
- Minsoo Song
- New Drug Development Center (NDDC), Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF), 80 Cheombok-ro, Dong-gu, Daegu 41061, Korea
| | - Gil Tae Hwang
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
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63
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Jamieson KL, Keshavarz-Bahaghighat H, Darwesh AM, Sosnowski DK, Seubert JM. Age and Sex Differences in Hearts of Soluble Epoxide Hydrolase Null Mice. Front Physiol 2020; 11:48. [PMID: 32116760 PMCID: PMC7019103 DOI: 10.3389/fphys.2020.00048] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 01/21/2020] [Indexed: 12/19/2022] Open
Abstract
Biological aging is an inevitable part of life that has intrigued individuals for millennia. The progressive decline in biological systems impacts cardiac function and increases vulnerability to stress contributing to morbidity and mortality in aged individuals. Yet, our understanding of the molecular, biochemical and physiological mechanisms of aging as well as sex differences is limited. There is growing evidence indicating CYP450 epoxygenase-mediated metabolites of n-3 and n-6 polyunsaturated fatty acids (PUFAs) are active lipid mediators regulating cardiac homeostasis. These epoxy metabolites are rapidly hydrolyzed and inactivated by the soluble epoxide hydrolase (sEH). The current study characterized cardiac function in young and aged sEH null mice compared to the corresponding wild-type (WT) mice. All aged mice had significantly increased cardiac hypertrophy, except in aged female sEH null mice. Cardiac function as assessed by echocardiography demonstrated a marked decline in aged WT mice, notably significant decreases in ejection fraction and fractional shortening in both sexes. Interestingly, aged female sEH null mice had preserved systolic function, while aged male sEH null mice had preserved diastolic function compared to aged WT mice. Assessment of cardiac mitochondria demonstrated an increased expression of acetyl Mn-SOD levels that correlated with decreased Sirt-3 activity in aged WT males and females. Conversely, aged sEH null mice had preserved Sirt-3 activity and better mitochondrial ultrastructure compared to WT mice. Consistent with these changes, the activity level of SOD significantly decreased in WT animals but was preserved in aged sEH null animals. Markers of oxidative stress demonstrated age-related increase in protein carbonyl levels in WT and sEH null male mice. Together, these data highlight novel cardiac phenotypes from sEH null mice demonstrating a sexual dimorphic pattern of aging in the heart.
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Affiliation(s)
- K Lockhart Jamieson
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, AB, Canada
| | | | - Ahmed M Darwesh
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, AB, Canada
| | - Deanna K Sosnowski
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, AB, Canada
| | - John M Seubert
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, AB, Canada.,Department of Pharmacology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
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Hoxha M, Zappacosta B. CYP-derived eicosanoids: Implications for rheumatoid arthritis. Prostaglandins Other Lipid Mediat 2019; 146:106405. [PMID: 31838196 DOI: 10.1016/j.prostaglandins.2019.106405] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 11/22/2019] [Accepted: 12/10/2019] [Indexed: 12/18/2022]
Abstract
Today the role of cytochrome P450 metabolites in inflammatory rheumatic disease, such as rheumatoid arthritis (RA) is still poorly understood. In this review we survey the current knowledge on cytochrome P450 metabolites in rheumatoid arthritis. The balance between CYP epoxygenase- and CYP ω- hydroxylase is correlated to the regulation of NF-κB. In RA patients synovial fluid there are higher levels of IL-6, which suppresses activities of CYP enzymes, such as CYP3A, CYP2C19, CYP2C9, and CYP1A2. EETs have anti-inflammatory effects, probably attributed to the PPARγ activation. EETs inhibit bone resorption and osteoclastogenesis, and can be considered as an innovative therapeutic strategy for rheumatoid arthritis. In reference to the CYP ɷ-hydroxylase pathway, 20-HETE is a pro-inflammatory mediator. While there is scarce information on the role of 20-HETE inhibitors and its antagonists in rheumatoid arthritis, the elevation of EETs levels by sEH inhibitors is a promising therapeutic strategy for rheumatoid arthritis patients. In addition, hybrid compounds, such as sEH inhibitors/FLAP inhibitors, or sEHI combined with NSAIDs/COXIBs are also important therapeutic target. However, studies investigating the effects of inflammation and rheumatic disease on CYP-mediated eicosanoid metabolism are necessary. Obtaining a better understanding of the complex role of CYP-derived eicosanoids in inflammatory rheumatic disease, such as rheumatoid arthritis will provide valuable insight for basic and clinical researchers investigation.
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Affiliation(s)
- Malvina Hoxha
- Catholic University Our Lady of Good Counsel, Department of Chemical-Toxicological and Pharmacological Evaluation of Drugs, Rruga Dritan Hoxha, Tirana, Albania.
| | - Bruno Zappacosta
- Catholic University Our Lady of Good Counsel, Department of Chemical-Toxicological and Pharmacological Evaluation of Drugs, Rruga Dritan Hoxha, Tirana, Albania
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Grimes D, Watson D. Epoxyeicosatrienoic acids protect pancreatic beta cells against pro-inflammatory cytokine toxicity. Biochem Biophys Res Commun 2019; 520:231-236. [PMID: 31590920 DOI: 10.1016/j.bbrc.2019.09.124] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 09/27/2019] [Indexed: 11/19/2022]
Abstract
Pro-inflammatory cytokines contribute to pancreatic beta cell death in the pathogenesis of type 1 diabetes mellitus (DM). Cytochrome P450-derived epoxyeicosatrienoic acids (EETs), produced by selective epoxidation of arachidonic acid, display anti-inflammatory activity in numerous disease models, in part through inhibition of NFκB activity. No studies have directly assessed their roles in cellular models of pancreatic beta cell death and therefore we aimed to investigate the cytoprotective effects of the EET isomers 8(9)-, 11(12)- and 14(15)-EET and their corresponding vicinal diols (dihydroxyeicosatrienoic acids, DHETs) in a model of pro-inflammatory cytokine-toxicity using the rat pancreatic beta cell line BRIN-BD11. Co-treatment of cells with a cocktail of pro-inflammatory cytokines (IL-1β, IFNγ and TNFα) caused a marked increase in caspase activation and a reduction in cell viability, effects attenuated by inclusion of each EET; this was also associated with a reduction in cytokine-induced NFκB activation and nitrite accumulation. Surprisingly, of the DHET derivatives of EETs, 8(9)-DHET conferred similar protective effects against cytokine-induced caspase activation. This data therefore highlights a novel role of EETs and a surprising activity of 8(9)-DHET in attenuating cytokine-toxicity in pancreatic beta cells.
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Affiliation(s)
- Daniel Grimes
- School of Life Sciences, Keele University, Staffordshire, UK
| | - David Watson
- School of Life Sciences, Keele University, Staffordshire, UK.
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66
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Graves JP, Bradbury JA, Gruzdev A, Li H, Duval C, Lih FB, Edin ML, Zeldin DC. Expression of Cyp2c/ Cyp2j subfamily members and oxylipin levels during LPS-induced inflammation and resolution in mice. FASEB J 2019; 33:14784-14797. [PMID: 31690125 PMCID: PMC6894073 DOI: 10.1096/fj.201901872r] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 09/30/2019] [Indexed: 01/08/2023]
Abstract
Inflammatory stimuli, such as bacterial LPS, alter the expression of many cytochromes P450. CYP2C and CYP2J subfamily members actively metabolize fatty acids to bioactive eicosanoids, which exhibit potent anti-inflammatory effects. Herein, we examined mRNA levels of the 15 mouse Cyp2c and 7 mouse Cyp2j isoforms in liver, kidney, duodenum, and brain over a 96-h time course of LPS-induced inflammation and resolution. Plasma and liver eicosanoid levels were also measured by liquid chromatography with tandem mass spectrometry. Expression changes in Cyp2c and Cyp2j isoforms were both isoform and tissue specific. Total liver Cyp2c and Cyp2j mRNA content was reduced by 80% 24 h after LPS but recovered to baseline levels by 96 h. Total Cyp2c and Cyp2j mRNA in kidney (-19%) and duodenum (-64%) were reduced 24 h after LPS but recovered above baseline by 72 h. Total Cyp2c and Cyp2j mRNA content in brain was elevated at all time points after LPS dosing. Plasma eicosanoids transiently increased 3-6 h after administration of LPS. In liver, esterified oxylipin levels decreased during acute inflammation and before recovering. The biphasic suppression and recovery of mouse Cyp2c and Cyp2j isoforms and associated changes in eicosanoid levels during LPS-induced inflammation and resolution may have important physiologic consequences.-Graves, J. P., Bradbury, J. A., Gruzdev, A., Li, H., Duval, C., Lih, F. B., Edin, M. L., Zeldin, D. C. Expression of Cyp2c/Cyp2j subfamily members and oxylipin levels during LPS-induced inflammation and resolution in mice.
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Affiliation(s)
- Joan P. Graves
- Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
| | - J. Alyce Bradbury
- Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
| | - Artiom Gruzdev
- Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
| | - Hong Li
- Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
| | - Caroline Duval
- Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
| | - Fred B. Lih
- Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
| | - Matthew L. Edin
- Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
| | - Darryl C. Zeldin
- Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
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67
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Rahm M, Merl-Pham J, Adamski J, Hauck SM. Time-resolved phosphoproteomic analysis elucidates hepatic 11,12-Epoxyeicosatrienoic acid signaling pathways. Prostaglandins Other Lipid Mediat 2019; 146:106387. [PMID: 31669255 DOI: 10.1016/j.prostaglandins.2019.106387] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 09/24/2019] [Accepted: 10/16/2019] [Indexed: 01/20/2023]
Abstract
Epoxyeicosatrienoic acids (EETs) are potent lipid mediators with well-established effects in vascular tissues. Recent studies indicated an emerging role of these eicosanoids in metabolic diseases and the EET signaling pathway was shown to be involved in hepatic insulin sensitivity. However, compared to vascular tissues, there is only limited knowledge about the underlying signaling pathways in the liver. Therefore, we employed an LC-MS/MS-based time-resolved phosphoproteomics approach to characterize 11,12-EET-mediated signaling events in the liver cell line Hepa 1-6. 11,12-EET treatment resulted in the time-dependent regulation of phosphopeptides involved in processes as yet unknown to be affected by EETs, including RNA processing, splicing and translation regulation. Pathway analysis combined with western blot-based validation revealed enhanced AKT/mTOR/p70S6K signaling as demonstrated by increased acute phosphorylation of AKT (Ser473) and p70S6K (Thr389). In addition, 11,12-EET treatment led to differential regulation of phosphopeptides including important mediators of the DNA damage response and we observed a prolonged induction of the etoposide-induced DNA damage marker γH2AX in response to 11,12-EET. In summary, our findings extend current knowledge of 11,12-EET signaling events and emphasize the importance of the AKT/mTOR/p70S6K pathway in hepatic 11,12-EET signaling. Based on the results presented in this study, we furthermore propose a novel role of EET signaling in the regulation of the DNA damage response.
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Affiliation(s)
- Marco Rahm
- Research Unit Protein Science, Helmholtz Zentrum München, German Research Center for Environmental Health GmbH, Ingolstädter Landstraße 1, D-85764, Neuherberg, Germany
| | - Juliane Merl-Pham
- Research Unit Protein Science, Helmholtz Zentrum München, German Research Center for Environmental Health GmbH, Ingolstädter Landstraße 1, D-85764, Neuherberg, Germany
| | - Jerzy Adamski
- Research Unit Molecular Endocrinology and Metabolism, Helmholtz Zentrum München, German Research Center for Environmental Health GmbH, Ingolstädter Landstraße 1, D-85764, Neuherberg, Germany; Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Stefanie M Hauck
- Research Unit Protein Science, Helmholtz Zentrum München, German Research Center for Environmental Health GmbH, Ingolstädter Landstraße 1, D-85764, Neuherberg, Germany.
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68
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Naoe S, Tsugawa H, Takahashi M, Ikeda K, Arita M. Characterization of Lipid Profiles after Dietary Intake of Polyunsaturated Fatty Acids Using Integrated Untargeted and Targeted Lipidomics. Metabolites 2019; 9:E241. [PMID: 31640217 PMCID: PMC6836067 DOI: 10.3390/metabo9100241] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 10/17/2019] [Accepted: 10/17/2019] [Indexed: 12/25/2022] Open
Abstract
Illuminating the comprehensive lipid profiles after dietary supplementation of polyunsaturated fatty acids (PUFAs) is crucial to revealing the tissue distribution of PUFAs in living organisms, as well as to providing novel insights into lipid metabolism. Here, we performed lipidomic analyses on mouse plasma and nine tissues, including the liver, kidney, brain, white adipose, heart, lung, small intestine, skeletal muscle, and spleen, with the dietary intake conditions of arachidonic acid (ARA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA) as the ethyl ester form. We incorporated targeted and untargeted approaches for profiling oxylipins and complex lipids such as glycerol (phospho) lipids, sphingolipids, and sterols, respectively, which led to the characterization of 1026 lipid molecules from the mouse tissues. The lipidomic analysis indicated that the intake of PUFAs strongly impacted the lipid profiles of metabolic organs such as the liver and kidney, while causing less impact on the brain. Moreover, we revealed a unique lipid modulation in most tissues, where phospholipids containing linoleic acid were significantly decreased in mice on the ARA-supplemented diet, and bis(monoacylglycero)phosphate (BMP) selectively incorporated DHA over ARA and EPA. We comprehensively studied the lipid profiles after dietary intake of PUFAs, which gives insight into lipid metabolism and nutrition research on PUFA supplementation.
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Affiliation(s)
- Satoko Naoe
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan.
| | - Hiroshi Tsugawa
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan.
- Metabolome informatics research team, RIKEN Center for Sustainable Resource Science, Yokohama 230-0045, Japan.
| | - Mikiko Takahashi
- Metabolome informatics research team, RIKEN Center for Sustainable Resource Science, Yokohama 230-0045, Japan.
| | - Kazutaka Ikeda
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan.
- Cellular and Molecular Epigenetics Laboratory, Graduate School of Medical Life Science, Yokohama City University, Tsurumi, Yokohama 230-0045, Japan.
| | - Makoto Arita
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan.
- Cellular and Molecular Epigenetics Laboratory, Graduate School of Medical Life Science, Yokohama City University, Tsurumi, Yokohama 230-0045, Japan.
- Division of Physiological Chemistry and Metabolism, Graduate School of Pharmaceutical Sciences, Keio University, Minato-ku, Tokyo 105-8512, Japan.
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Osthues T, Sisignano M. Oxidized Lipids in Persistent Pain States. Front Pharmacol 2019; 10:1147. [PMID: 31680947 PMCID: PMC6803483 DOI: 10.3389/fphar.2019.01147] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 09/05/2019] [Indexed: 12/13/2022] Open
Abstract
Chemotherapy, nerve injuries, or diseases like multiple sclerosis can cause pathophysiological processes of persistent and neuropathic pain. Thereby, the activation threshold of ion channels is reduced in peripheral sensory neurons to normally noxious stimuli like heat, cold, acid, or mechanical due to sensitization processes. This leads to enhanced neuronal activity, which can result in mechanical allodynia, cold allodynia, thermal hyperalgesia, spontaneous pain, and may initiate persistent and neuropathic pain. The treatment options for persistent and neuropathic pain patients are limited; for about 50% of them, current medication is not efficient due to severe side effects or low response to the treatment. Therefore, it is of special interest to find additional treatment strategies. One approach is the control of neuronal sensitization processes. Herein, signaling lipids are crucial mediators and play an important role during the onset and maintenance of pain. As preclinical studies demonstrate, lipids may act as endogenous ligands or may sensitize transient receptor potential (TRP)-channels. Likewise, they can cause enhanced activity of sensory neurons by mechanisms involving G-protein coupled receptors and activation of intracellular protein kinases. In this regard, oxidized metabolites of the essential fatty acid linoleic acid, 9- and 13-hydroxyoctadecadienoic acid (HODE), their dihydroxy-metabolites (DiHOMEs), as well as epoxides of linoleic acid (EpOMEs) and of arachidonic acid (EETs), as well as lysophospholipids, sphingolipids, and specialized pro-resolving mediators (SPMs) have been reported to play distinct roles in pain transmission or inhibition. Here, we discuss the underlying molecular mechanisms of the oxidized linoleic acid metabolites and eicosanoids. Furthermore, we critically evaluate their role as potential targets for the development of novel analgesics and for the treatment of persistent or neuropathic pain.
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Affiliation(s)
- Tabea Osthues
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Branch for Translational Medicine and Pharmacology TMP, Frankfurt, Germany
| | - Marco Sisignano
- Institute of Clinical Pharmacology, Pharmazentrum Frankfurt/ZAFES, University Hospital, Goethe-University, Frankfurt, Germany
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70
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Hoff U, Bubalo G, Fechner M, Blum M, Zhu Y, Pohlmann A, Hentschel J, Arakelyan K, Seeliger E, Flemming B, Gürgen D, Rothe M, Niendorf T, Manthati VL, Falck JR, Haase M, Schunck W, Dragun D. A synthetic epoxyeicosatrienoic acid analogue prevents the initiation of ischemic acute kidney injury. Acta Physiol (Oxf) 2019; 227:e13297. [PMID: 31077555 DOI: 10.1111/apha.13297] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 05/08/2019] [Accepted: 05/08/2019] [Indexed: 12/19/2022]
Abstract
AIM Imbalances in cytochrome P450 (CYP)-dependent eicosanoid formation may play a central role in ischemic acute kidney injury (AKI). We reported previously that inhibition of 20-hydroxyeicosatetraenoic acid (20-HETE) action ameliorated ischemia/reperfusion (I/R)-induced AKI in rats. Now we tested the hypothesis that enhancement of epoxyeicosatrienoic acid (EET) actions may counteract the detrimental effects of 20-HETE and prevent the initiation of AKI. METHODS Male Lewis rats underwent right nephrectomy and ischemia was induced by 45 min clamping of the left renal pedicle followed by up to 48 h of reperfusion. Circulating CYP-eicosanoid profiles were compared in patients who underwent cardiac surgery with (n = 21) and without (n = 38) developing postoperative AKI. RESULTS Ischemia induced an about eightfold increase of renal 20-HETE levels, whereas free EETs were not accumulated. To compensate for this imbalance, a synthetic 14,15-EET analogue was administered by intrarenal infusion before ischemia. The EET analogue improved renal reoxygenation as monitored by in vivo parametric MRI during the initial 2 h reperfusion phase. The EET analogue improved PI3K- as well as mTORC2-dependent rephosphorylation of Akt, induced inactivation of GSK-3β, reduced the development of tubular apoptosis and attenuated inflammatory cell infiltration. The EET analogue also significantly alleviated the I/R-induced drop in creatinine clearance. Patients developing postoperative AKI featured increased preoperative 20-HETE and 8,9-EET levels. CONCLUSIONS Pharmacological interventions targeting the CYP-eicosanoid pathway could offer promising new options for AKI prevention. Individual differences in CYP-eicosanoid formation may contribute to the risk of developing AKI in clinical settings.
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Affiliation(s)
- Uwe Hoff
- Nephrology and Intensive Care Medicine, Center for Cardiovascular Research Charité‐Universitätsmedizin Berlin Berlin Germany
| | - Gordana Bubalo
- Nephrology and Intensive Care Medicine, Center for Cardiovascular Research Charité‐Universitätsmedizin Berlin Berlin Germany
| | - Mandy Fechner
- Nephrology and Intensive Care Medicine, Center for Cardiovascular Research Charité‐Universitätsmedizin Berlin Berlin Germany
| | | | - Ye Zhu
- Nephrology and Intensive Care Medicine, Center for Cardiovascular Research Charité‐Universitätsmedizin Berlin Berlin Germany
- Department of Nephrology The Fifth Affiliated Hospital of Sun Yat‐sun University Zhuhai China
| | - Andreas Pohlmann
- Berlin Ultrahigh Field Facility (B.U.F.F.) Max Delbrueck Center for Molecular Medicine Berlin Germany
| | - Jan Hentschel
- Berlin Ultrahigh Field Facility (B.U.F.F.) Max Delbrueck Center for Molecular Medicine Berlin Germany
| | - Karen Arakelyan
- Berlin Ultrahigh Field Facility (B.U.F.F.) Max Delbrueck Center for Molecular Medicine Berlin Germany
- Center for Cardiovascular Research, Institute of Physiology Charité‐Universitätsmedizin Berlin Berlin Germany
| | - Erdmann Seeliger
- Center for Cardiovascular Research, Institute of Physiology Charité‐Universitätsmedizin Berlin Berlin Germany
| | - Bert Flemming
- Center for Cardiovascular Research, Institute of Physiology Charité‐Universitätsmedizin Berlin Berlin Germany
| | - Dennis Gürgen
- Nephrology and Intensive Care Medicine, Center for Cardiovascular Research Charité‐Universitätsmedizin Berlin Berlin Germany
| | | | - Thoralf Niendorf
- Max Delbrueck Center for Molecular Medicine Berlin Germany
- Berlin Ultrahigh Field Facility (B.U.F.F.) Max Delbrueck Center for Molecular Medicine Berlin Germany
| | | | - John R. Falck
- Biochemistry Department UT Southwestern Dallas Texas
| | - Michael Haase
- Medical Faculty Otto‐von‐Guericke University Magdeburg Germany
- Diaverum Deutschland Potsdam Germany
| | | | - Duska Dragun
- Nephrology and Intensive Care Medicine, Center for Cardiovascular Research Charité‐Universitätsmedizin Berlin Berlin Germany
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71
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Maekawa K, Ri M, Nakajima M, Sekine A, Ueda R, Tohkin M, Miyata N, Saito Y, Iida S. Serum lipidomics for exploring biomarkers of bortezomib therapy in patients with multiple myeloma. Cancer Sci 2019; 110:3267-3274. [PMID: 31444836 PMCID: PMC6778623 DOI: 10.1111/cas.14178] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 08/06/2019] [Accepted: 08/15/2019] [Indexed: 01/08/2023] Open
Abstract
Although the proteasome inhibitor bortezomib (BTZ) shows excellent efficacy in multiple myeloma (MM), a fraction of patients has a suboptimal or no response to this agent. In addition, BTZ-induced peripheral neuropathy (BiPN), a frequent side-effect of this therapy, limits its use in some patients. This study aimed to explore serum lipid biomarker candidates to predict the response to BTZ and the severity of BiPN. Fifty-nine serum samples were collected from patients with MM prior to receiving BTZ plus low-dose dexamethasone therapy. Serum levels of phospholipids, sphingolipids, neutral lipids, and polyunsaturated fatty acids and their oxidation products were measured by a comprehensive lipidomic study. Overall, 385 lipid metabolites were identified in patients' sera; lower levels of several glycerophospholipids, sphingolipids, and cholesteryl esters were associated with a poor treatment response. Metabolites related to platelet-activating factor biosynthesis and cholesterol metabolism appeared particularly relevant. Furthermore, several lysophosphatidylcholines, phosphatidylcholines, ceramides, neutral lipids, and oxidative fatty acids were significantly increased or decreased in patients with BiPN grades ranging from G0 to G3. Among these compounds, mediators reportedly inducing myelin breakdown and stimulating inflammatory responses were prominent. Although further study is necessary to validate these biomarker candidates, our results contribute to the development of predictive biomarkers for response to BTZ treatment, or ensuing severe BiPN, in patients with MM.
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Affiliation(s)
- Keiko Maekawa
- Department of Analytical Chemistry, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kyoto, Japan.,Division of Medical Safety Science, National Institute of Health Sciences, Kawasaki, Japan
| | - Masaki Ri
- Department of Hematology and Oncology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.,Division of Blood Transfusion, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Miki Nakajima
- Drug Metabolism and Toxicology, Faculty of Pharmaceutical Sciences, Kanazawa University, Kanazawa, Japan.,WPI Nano Life Science Institute, Kanazawa University, Kanazawa, Japan
| | - Akihiro Sekine
- Center for Preventive Medical Science, Chiba University, Chiba, Japan
| | - Ryuzo Ueda
- Department of Tumor Immunology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Masahiro Tohkin
- Department of Regulatory Science, Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya, Japan
| | - Naoki Miyata
- Institute of Drug Discovery Science, Nagoya City University, Nagoya, Japan
| | - Yoshiro Saito
- Division of Medical Safety Science, National Institute of Health Sciences, Kawasaki, Japan
| | - Shinsuke Iida
- Department of Hematology and Oncology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
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Darwesh AM, Sosnowski DK, Lee TYT, Keshavarz-Bahaghighat H, Seubert JM. Insights into the cardioprotective properties of n-3 PUFAs against ischemic heart disease via modulation of the innate immune system. Chem Biol Interact 2019; 308:20-44. [DOI: 10.1016/j.cbi.2019.04.037] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 04/17/2019] [Accepted: 04/30/2019] [Indexed: 12/19/2022]
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73
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Navarro-Mabarak C, Mitre-Aguilar IB, Camacho-Carranza R, Arias C, Zentella-Dehesa A, Espinosa-Aguirre JJ. Role of NF-κB in cytochrome P450 epoxygenases down-regulation during an inflammatory process in astrocytes. Neurochem Int 2019; 129:104499. [PMID: 31271766 DOI: 10.1016/j.neuint.2019.104499] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 06/09/2019] [Accepted: 07/01/2019] [Indexed: 12/26/2022]
Abstract
Cytochrome P450 (CYP) epoxygenases and their metabolic products, epoxyeicosatrienoic acids (EETs), have been proposed as important therapeutic targets in the brain. However, CYP expression can be modified by the presence of diverse pro-inflammatory cytokines and the subsequent activation of the NF-κB pathway. It has been indicated that CYP epoxygenases are down-regulated by inflammation in the heart, kidney and liver. However, up to this point, there has been no evidence regarding regulation of CYP epoxygenases during inflammation in the brain. Therefore, in order to explore the effects of inflammation and NF-κB activation in CYP2J3 and CYP2C11 regulation, rat primary astrocytes cultures were treated with LPS with and without IMD-0354 (selective NF-κB inhibitor). Cyp2j3 and Cyp2c11 mRNA expression was determined by qRT-PCR; protein expression was determined by immunofluorescence and by Western Blot and total epoxygenase activity was determined by the quantification of EETs by ELISA. NF-κB binding sites in Cyp2j3 and Cyp2c11 promoter regions were bioinformatically predicted and Electrophoretic Mobility Shift Assays (EMSA) were performed to determine if each hypothetic response element was able to bind NF-κB complexes. Results shown that LPS treatment is able to down-regulate astrocyte CYP2J3 and CYP2C11 mRNA, protein and activity. Additionally, we have identified NK-κB as the transcription factor involved in this regulation.
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Affiliation(s)
- Cynthia Navarro-Mabarak
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Irma Beatriz Mitre-Aguilar
- Unidad de Bioquímica, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Av. Vasco de Quiroga Nº 15, Colonia Belisario Domínguez Sección XVI, Delegación Tlalpan, CP.14080, Ciudad de México, Mexico
| | - Rafael Camacho-Carranza
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, Mexico; Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Clorinda Arias
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Alejandro Zentella-Dehesa
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, Mexico; Unidad de Bioquímica, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Av. Vasco de Quiroga Nº 15, Colonia Belisario Domínguez Sección XVI, Delegación Tlalpan, CP.14080, Ciudad de México, Mexico
| | - Jesús Javier Espinosa-Aguirre
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, Mexico.
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Soluble Epoxide Hydrolase Inhibition Attenuates Excitotoxicity Involving 14,15-Epoxyeicosatrienoic Acid–Mediated Astrocytic Survival and Plasticity to Preserve Glutamate Homeostasis. Mol Neurobiol 2019; 56:8451-8474. [DOI: 10.1007/s12035-019-01669-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 06/03/2019] [Indexed: 12/15/2022]
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75
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Wang X, Li L, Wang H, Xiao F, Ning Q. Epoxyeicosatrienoic acids alleviate methionine‐choline‐deficient diet–induced non‐alcoholic steatohepatitis in mice. Scand J Immunol 2019; 90:e12791. [PMID: 31132306 DOI: 10.1111/sji.12791] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 05/14/2019] [Accepted: 05/17/2019] [Indexed: 12/26/2022]
Affiliation(s)
- Xiaojing Wang
- Department and Institute of Infectious Disease Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan China
| | - Lan Li
- Department and Institute of Infectious Disease Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan China
| | - Hongwu Wang
- Department and Institute of Infectious Disease Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan China
| | - Fang Xiao
- Department and Institute of Infectious Disease Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan China
| | - Qin Ning
- Department and Institute of Infectious Disease Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan China
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76
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Chen L, Tang S, Zhang FF, Garcia V, Falck JR, Schwartzman ML, Arbab AS, Guo AM. CYP4A/20-HETE regulates ischemia-induced neovascularization via its actions on endothelial progenitor and preexisting endothelial cells. Am J Physiol Heart Circ Physiol 2019; 316:H1468-H1479. [PMID: 30951365 PMCID: PMC6620690 DOI: 10.1152/ajpheart.00690.2018] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 03/29/2019] [Accepted: 03/29/2019] [Indexed: 11/22/2022]
Abstract
20-Hydroxyeicosatetraenoic acid (20-HETE) was recently identified as a novel contributor of ischemia-induced neovascularization based on the key observation that pharmacological interferences of CYP4A/20-HETE decrease ischemic neovascularization. The objective of the present study is to examine whether the underlying cellular mechanisms involve endothelial progenitor cells (EPCs) and preexisting endothelial cells (ECs). We found that ischemia leads to a time-dependent increase of cyp4a12 expression and 20-HETE production, which are endothelial in origin, using immunofluorescent microscopy, Western blot analysis, and LC-MS/MS. This is accompanied by increases in the tissue stromal cell-derived factor-1α (SDF-1α) expressions as well as SDF-1α plasma levels, EPC mobilization from bone marrow, and subsequent homing to ischemic tissues. Pharmacological interferences of CYP4A/20-HETE with a 20-HETE synthesis inhibitor, dibromo-dodecenyl-methylsulfimide (DDMS), or a 20-HETE antagonist, N-(20-hydroxyeicosa-6(Z), 15(Z)-dienoyl) glycine (6, 15-20-HEDGE), significantly attenuated these increases. Importantly, we also determined that 20-HETE plays a novel role in maintaining EPC functions and increasing the expression of Oct4, Sox2, and Nanog, which are indicative of increased progenitor cell stemness. Flow cytometric analysis revealed that pharmacological interferences of CYP4A/20-HETE decrease the EPC population in culture, whereas 20-HETE increases the cultured EPC population. Furthermore, ischemia also markedly increased the proliferation, oxidative stress, and ICAM-1 expression in the preexisting EC in the hindlimb gracilis muscles. We found that these increases were markedly negated by DDMS and 6, 15-20-HEDGE. Taken together, CYP4A/20-HETE regulates ischemia-induced compensatory neovascularization via its combined actions on promoting EPC and local preexisting EC responses that are associated with increased neovascularization. NEW & NOTEWORTHY CYP4A/20-hydroxyeicosatetraenoic acid (20-HETE) was recently discovered as a novel contributor of ischemia-induced neovascularization. However, the underlying molecular and cellular mechanisms are completely unknown. Here, we show that CYP4A/20-HETE regulates the ischemic neovascularization process via its combined actions on both endothelial progenitor cells (EPCs) and preexisting endothelial cells. Moreover, this is the first study, to the best of our knowledge, that associates CYP4A/20-HETE with EPC differentiation and stemness.
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Affiliation(s)
- Li Chen
- State Key Laboratory of Oncology, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center , Guangzhou , People's Republic of China
- Department of Pharmacology, New York Medical College, Valhalla, New York
| | - Samantha Tang
- Department of Pharmacology, New York Medical College, Valhalla, New York
| | - Frank F Zhang
- Department of Pharmacology, New York Medical College, Valhalla, New York
| | - Victor Garcia
- Department of Pharmacology, New York Medical College, Valhalla, New York
| | - John R Falck
- University of Texas Southwestern Medical Center , Dallas, Texas
| | | | - Ali S Arbab
- Cancer Center, Augusta University , Augusta, Georgia
| | - Austin M Guo
- Department of Pharmacology, New York Medical College, Valhalla, New York
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77
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O'Donnell VB, Aldrovandi M, Murphy RC, Krönke G. Enzymatically oxidized phospholipids assume center stage as essential regulators of innate immunity and cell death. Sci Signal 2019; 12:12/574/eaau2293. [PMID: 30914483 DOI: 10.1126/scisignal.aau2293] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Enzymatically oxidized phospholipids (eoxPLs) are formed through regulated processes by which eicosanoids or prostaglandins are attached to phospholipids (PLs) in immune cells. These eoxPLs comprise structurally diverse families of biomolecules with potent bioactivities, and they have important immunoregulatory roles in both health and disease. The formation of oxPLs through enzymatic pathways and their signaling capabilities are emerging concepts. This paradigm is changing our understanding of eicosanoid, prostaglandin, and PL biology in health and disease. eoxPLs have roles in cellular events such as ferroptosis, apoptosis, and blood clotting and diseases such as arthritis, diabetes, and cardiovascular disease. They are increasingly recognized as endogenous bioactive mediators and potential targets for drug development. This review will describe recent evidence that places eoxPLs and their biosynthetic pathways center stage in immunoregulation.
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Affiliation(s)
- Valerie B O'Donnell
- Systems Immunity Research Institute, Cardiff University, Cardiff CF14 4XN, UK.
| | - Maceler Aldrovandi
- Systems Immunity Research Institute, Cardiff University, Cardiff CF14 4XN, UK
| | - Robert C Murphy
- Department of Pharmacology, University of Colorado, 12801 East 17th Avenue, Aurora, CO 80045, USA
| | - Gerhard Krönke
- Department of Internal Medicine 3-Rheumatology and Immunology, University Hospital Erlangen and Friedrich-Alexander University Erlangen-Nuremberg (FAU) 91054, Erlangen, Germany
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78
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Dai N, Zhao C, Kong Q, Li D, Cai Z, Wang M. Vascular repair and anti-inflammatory effects of soluble epoxide hydrolase inhibitor. Exp Ther Med 2019; 17:3580-3588. [PMID: 30988740 PMCID: PMC6447806 DOI: 10.3892/etm.2019.7396] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2018] [Accepted: 12/13/2018] [Indexed: 12/19/2022] Open
Abstract
Kawasaki disease (KD) is the leading cause of acquired heart disease in pediatric patients in developed countries. Coronary artery aneurysms and myocardial infarction may occur if the disease remains untreated. An estimated 10-20% of KD patients do not respond to intravenous gamma globulin (IVIG), and thus, alternative treatments are currently being investigated. Epoxyeicosatrienoic acids (EETs) are natural anti-inflammatory factors and angiogenic mediators degraded by soluble epoxide hydrolase (sEH). sEH inhibitory factors have been demonstrated to stabilize EET levels, inhibit inflammation and promote vascular repair in vivo. The present study aimed to determine whether an increase in EET levels induced by treatment with the sEH inhibitor 12-(3-adamantan-1-yl-ureido)-dodecanoic acid (AUDA) promotes vascular repair in human coronary arterial endothelial cells (HCAECs) and reduces inflammation in a mouse model of KD induced by Lactobacillus casei cell wall extract. The effect of AUDA on vascular repair in HCAECs was assessed by using cell proliferation, migration, adhesion and tube formation assays, and the anti-inflammatory effect of AUDA in the mouse model of KD was determined by detecting the expression of matrix metalloproteinase (MMP)-9, tumor necrosis factor (TNF)-α and interleukin (IL)-1β at the protein level via ELISA. The results demonstrated that AUDA increased the proliferation, migration, adhesion and tube formation ability of HCAECs in a dose-dependent manner. Furthermore, in the mouse model of KD, AUDA reduced the protein expression of MMP-9, IL-1β and TNF-α, indicating that AUDA may alleviate inflammatory reactions in the coronary arteries of KD model mice. The present results also indicate that these effects may be exerted through the peroxisome proliferator activated receptor γ signaling pathway. Taken together, the present study supports the potential utility of AUDA in the treatment of KD.
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Affiliation(s)
- Na Dai
- Department of Pediatrics, Qilu Hospital, Shandong University, Ji'nan, Shandong 250012, P.R. China.,Department of Pediatrics, Jinan Maternity and Child Care Hospital, Ji'nan, Shandong 250012, P.R. China
| | - Cuifen Zhao
- Department of Pediatrics, Qilu Hospital, Shandong University, Ji'nan, Shandong 250012, P.R. China
| | - Qingyu Kong
- Department of Pediatrics, Qilu Hospital, Shandong University, Ji'nan, Shandong 250012, P.R. China
| | - Dong Li
- Department of Pediatrics, Qilu Hospital, Shandong University, Ji'nan, Shandong 250012, P.R. China
| | - Zhifeng Cai
- Department of Pediatrics, Qilu Hospital, Shandong University, Ji'nan, Shandong 250012, P.R. China
| | - Minmin Wang
- Department of Pediatrics, Qilu Hospital, Shandong University, Ji'nan, Shandong 250012, P.R. China
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79
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Hrdlička J, Neckář J, Papoušek F, Husková Z, Kikerlová S, Vaňourková Z, Vernerová Z, Akat F, Vašinová J, Hammock BD, Hwang SH, Imig JD, Falck JR, Červenka L, Kolář F. Epoxyeicosatrienoic Acid-Based Therapy Attenuates the Progression of Postischemic Heart Failure in Normotensive Sprague-Dawley but Not in Hypertensive Ren-2 Transgenic Rats. Front Pharmacol 2019; 10:159. [PMID: 30881303 PMCID: PMC6406051 DOI: 10.3389/fphar.2019.00159] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 02/11/2019] [Indexed: 12/20/2022] Open
Abstract
Epoxyeicosatrienoic acids (EETs) and their analogs have been identified as potent antihypertensive compounds with cardio- and renoprotective actions. Here, we examined the effect of EET-A, an orally active EET analog, and c-AUCB, an inhibitor of the EETs degrading enzyme soluble epoxide hydrolase, on the progression of post-myocardial infarction (MI) heart failure (HF) in normotensive Hannover Sprague-Dawley (HanSD) and in heterozygous Ren-2 transgenic rats (TGR) with angiotensin II-dependent hypertension. Adult male rats (12 weeks old) were subjected to 60-min left anterior descending (LAD) coronary artery occlusion or sham (non-MI) operation. Animals were treated with EET-A and c-AUCB (10 and 1 mg/kg/day, respectively) in drinking water, given alone or combined for 5 weeks starting 24 h after MI induction. Left ventricle (LV) function and geometry were assessed by echocardiography before MI and during the progression of HF. At the end of the study, LV function was determined by catheterization and tissue samples were collected. Ischemic mortality due to the incidence of sustained ventricular fibrillation was significantly higher in TGR than in HanSD rats (35.4 and 17.7%, respectively). MI-induced HF markedly increased LV end-diastolic pressure (Ped) and reduced fractional shortening (FS) and the peak rate of pressure development [+(dP/dt)max] in untreated HanSD compared to sham (non-MI) group [Ped: 30.5 ± 3.3 vs. 9.7 ± 1.3 mmHg; FS: 11.1 ± 1.0 vs. 40.8 ± 0.5%; +(dP/dt)max: 3890 ± 291 vs. 5947 ± 309 mmHg/s]. EET-A and c-AUCB, given alone, tended to improve LV function parameters in HanSD rats. Their combination amplified the cardioprotective effect of single therapy and reached significant differences compared to untreated HanSD controls [Ped: 19.4 ± 2.2 mmHg; FS: 14.9 ± 1.0%; +(dP/dt)max: 5278 ± 255 mmHg/s]. In TGR, MI resulted in the impairment of LV function like HanSD rats. All treatments reduced the increased level of albuminuria in TGR compared to untreated MI group, but neither single nor combined EET-based therapy improved LV function. Our results indicate that EET-based therapy attenuates the progression of post-MI HF in HanSD, but not in TGR, even though they exhibited renoprotective action in TGR hypertensive rats.
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Affiliation(s)
- Jaroslav Hrdlička
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czechia.,Department of Physiology, Faculty of Science, Charles University, Prague, Czechia
| | - Jan Neckář
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czechia.,Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czechia
| | - František Papoušek
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czechia
| | - Zuzana Husková
- Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czechia
| | - Soňa Kikerlová
- Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czechia
| | - Zdenka Vaňourková
- Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czechia
| | - Zdenka Vernerová
- Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czechia
| | - Firat Akat
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czechia.,Department of Physiology, Faculty of Medicine, Ankara University, Ankara, Turkey
| | - Jana Vašinová
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czechia
| | - Bruce D Hammock
- Department of Entomology and Nematology, UC Davis Comprehensive Cancer Center, University of California, Davis, Davis, CA, United States
| | - Sung Hee Hwang
- Department of Entomology and Nematology, UC Davis Comprehensive Cancer Center, University of California, Davis, Davis, CA, United States
| | - John D Imig
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, WI, United States
| | - John R Falck
- Department of Biochemistry, University of Texas Southwestern, Dallas, TX, United States
| | - Luděk Červenka
- Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czechia
| | - František Kolář
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czechia
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80
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Hiesinger K, Wagner KM, Hammock BD, Proschak E, Hwang SH. Development of multitarget agents possessing soluble epoxide hydrolase inhibitory activity. Prostaglandins Other Lipid Mediat 2019; 140:31-39. [PMID: 30593866 PMCID: PMC6345559 DOI: 10.1016/j.prostaglandins.2018.12.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 11/27/2018] [Accepted: 12/24/2018] [Indexed: 02/08/2023]
Abstract
Over the last two decades polypharmacology has emerged as a new paradigm in drug discovery, even though developing drugs with high potency and selectivity toward a single biological target is still a major strategy. Often, targeting only a single enzyme or receptor shows lack of efficacy. High levels of inhibitor of a single target also can lead to adverse side effects. A second target may offer additive or synergistic effects to affecting the first target thereby reducing on- and off-target side effects. Therefore, drugs that inhibit multiple targets may offer a great potential for increased efficacy and reduced the adverse effects. In this review we summarize recent findings of rationally designed multitarget compounds that are aimed to improve efficacy and safety profiles compared to those that target a single enzyme or receptor. We focus on dual inhibitors/modulators that target the soluble epoxide hydrolase (sEH) as a common part of their design to take advantage of the beneficial effects of sEH inhibition.
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Affiliation(s)
- Kerstin Hiesinger
- Institute of Pharmaceutical Chemistry, Goethe-University of Frankfurt, Max-von-Laue Str. 9, D-60439, Frankfurt am Main, Germany
| | - Karen M Wagner
- Department of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Bruce D Hammock
- Department of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Ewgenij Proschak
- Institute of Pharmaceutical Chemistry, Goethe-University of Frankfurt, Max-von-Laue Str. 9, D-60439, Frankfurt am Main, Germany
| | - Sung Hee Hwang
- Department of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA.
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81
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Liu JY. Inhibition of Soluble Epoxide Hydrolase for Renal Health. Front Pharmacol 2019; 9:1551. [PMID: 30687105 PMCID: PMC6335332 DOI: 10.3389/fphar.2018.01551] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Accepted: 12/19/2018] [Indexed: 12/31/2022] Open
Abstract
A soluble epoxide hydrolase (sEH) mediates the metabolism of epoxy fatty acids to form the corresponding vicinal diols, which are usually inactive or less active than the epoxide substrates. The sEH enzyme presents in many organs, including but not limited to the liver, heart, spleen, lung, and kidney. Here we summarized the changes in the expression and activity of sEH in multiple renal diseases, such as acute kidney injury (AKI), diabetic nephrology (DN), chronic kidney diseases (CKD), hypertension-mediated renal damage, and other renal dysfunctions. We also discussed the pharmacologic effects and the underlying mechanisms of sEH inhibition by using an inhibitor of sEH and/or the generic deletion of sEH on multiple renal diseases. We believe that sEH is a potential therapeutic target for renal dysfunction although the target disease needs further investigation.
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Affiliation(s)
- Jun-Yan Liu
- Center for Nephrology and Metabolomics, Tongji University School of Medicine, Shanghai, China
- Division of Nephrology, Shanghai Tenth Peoples Hospital, Tongji University School of Medicine, Shanghai, China
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82
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Sala A, Proschak E, Steinhilber D, Rovati GE. Two-pronged approach to anti-inflammatory therapy through the modulation of the arachidonic acid cascade. Biochem Pharmacol 2018; 158:161-173. [DOI: 10.1016/j.bcp.2018.10.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 10/09/2018] [Indexed: 12/11/2022]
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83
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Lakkappa N, Krishnamurthy PT, M D P, Hammock BD, Hwang SH. Soluble epoxide hydrolase inhibitor, APAU, protects dopaminergic neurons against rotenone induced neurotoxicity: Implications for Parkinson's disease. Neurotoxicology 2018; 70:135-145. [PMID: 30472438 DOI: 10.1016/j.neuro.2018.11.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 11/12/2018] [Accepted: 11/13/2018] [Indexed: 01/20/2023]
Abstract
Epoxyeicosatrienoic acids (EETs), metabolites of arachidonic acid, play a crucial role in cytoprotection by attenuating oxidative stress, inflammation and apoptosis. EETs are rapidly metabolised in vivo by the soluble epoxide hydrolase (sEH). Increasing the half life of EETs by inhibiting the sEH enzyme is a novel strategy for neuroprotection. In the present study, sEH inhibitors APAU was screened in silico and further evaluated for their antiparkinson activity against rotenone (ROT) induced neurodegeneration in N27 dopaminergic cell line and Drosophila melanogaster model of Parkinson disease (PD). In the in vitro study cell viability (MTT and LDH release assay), oxidative stress parameters (total intracellular ROS, hydroperoxides, protein oxidation, lipid peroxidation, superoxide dismutase, catalase, glutathione peroxidise, glutathione reductase, glutathione, total antioxidant status, mitochondrial complex-1activity and mitochondrial membrane potential), inflammatory markers (IL-6, COX-1 and COX-2), and apoptotic markers (JNK, phospho-JNK, c-jun, phospho-c-jun, pro and active caspase-3) were assessed to study the neuroprotective effects. In vivo activity of APAU was assessed in Drosophila melanogaster by measuring survival rate, negative geotaxis, oxidative stress parameters (total intracellular ROS, hydroperoxides, glutathione levels) were measured. Dopamine and its metabolites were estimated by LC-MS/MS analysis. In the in silico study the molecule, APAU showed good binding interaction at the active site of sEH (PDB: 1VJ5). In the in vitro study, APAU significantly attenuated ROT induced changes in oxidative, pro-inflammatory and apoptotic parameters. In the in vivo study, APAU significantly attenuates ROT induced changes in survival rate, negative geotaxis, oxidative stress, dopamine and its metabolites levels (p < 0.05). Our study, therefore, concludes that the molecule APAU, has significant neuroprotection benefits against rotenone induced Parkinsonism.
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Affiliation(s)
- Navya Lakkappa
- Department of Pharmacology, JSS College of Pharmacy, Ooty, India
| | | | - Pandareesh M D
- Department of Neurochemistry, National Institute of Mental Health & Neuro Sciences, Bangalore, India
| | - Bruce D Hammock
- Department of Entomology and Nematology, and Comprehensive Cancer Research Center, University of California, Davis, United States
| | - Sung Hee Hwang
- Department of Entomology and Nematology, and Comprehensive Cancer Research Center, University of California, Davis, United States
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84
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Zeigler M, Whittington D, Sotoodehnia N, Lemaitre RN, Totah RA. A sensitive and improved throughput UPLC-MS/MS quantitation method of total cytochrome P450 mediated arachidonic acid metabolites that can separate regio-isomers and cis/trans-EETs from human plasma. Chem Phys Lipids 2018; 216:162-170. [PMID: 30201384 PMCID: PMC6269592 DOI: 10.1016/j.chemphyslip.2018.09.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 08/21/2018] [Accepted: 09/05/2018] [Indexed: 12/19/2022]
Abstract
A method for the detection and quantification of hydroxyl and epoxy arachidonic acid (AA) metabolites in human plasma was developed using liquid-liquid extraction, phospholipid saponification followed by derivatization of the acid moiety and liquid chromatographic tandem mass spectrometric detection. Derivatization with a pyridinium analog allowed for detection in the positive ion mode, greatly improving sensitivity and the stability of the more labile AA metabolites. The entire method utilizes a 96-well plate format, increasing sample throughput, and was optimized to measure 5-, 8-, 9-, 11-, 12-, 15-, 19-, and 20- hydroxyeicosatetraenoic acid (HETE), 5,6-, 8,9-, 11,12-, and 14,15- dihydroxyeicosatrienoic acid (DHET), and the regio- and cis-/ trans- isomers of 5,6-, 8,9-, 11,12-, and 14,15-epoxyeicosatrienoic acid (EET). The method was validated for its applicability over the FA concentration range found in human plasma. Using 100 μL aliquots of pooled human plasma, EET levels, particularly 5,6-EET, were observed to be higher than previously reported, with measured concentrations of 23.6 ng/ml for 5,6-EET, 5.6 ng/mL for 5,6-trans-EET, 8.0 ng/mL for 8,9-EET, 1.9 ng/mL for 8,9-trans-EET, 8.8 ng/mL for 11,12-EET, 3.4 ng/mL for 11,12-trans-EET, 10.7 ng/mL for 14,15-EET, and 1.7 ng/mL 14,15-trans- EET. This method is suitable for large population studies to elucidate the complex interactions between the eicosanoids and various disease states and may be used for quantitation of a wide variety of fattyacids beyond eicosanoids from small volumes of human plasma.
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Affiliation(s)
- Maxwell Zeigler
- Department of Medicinal Chemistry, University of Washington, Box 357610, Seattle, WA 98195, USA.
| | - Dale Whittington
- Department of Medicinal Chemistry, University of Washington, Box 357610, Seattle, WA 98195, USA.
| | - Nona Sotoodehnia
- Cardiovascular Health Research Unit, Department of Medicine, University of Washington, 1730 Minor Ave, Suite 1360, Seattle, WA 98101, USA; Division of Cardiology, University of Washington, Box 356422, Seattle, WA 98195, USA.
| | - Rozenn N Lemaitre
- Cardiovascular Health Research Unit, Department of Medicine, University of Washington, 1730 Minor Ave, Suite 1360, Seattle, WA 98101, USA.
| | - Rheem A Totah
- Department of Medicinal Chemistry, University of Washington, Box 357610, Seattle, WA 98195, USA.
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85
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Sausville LN, Gangadhariah MH, Chiusa M, Mei S, Wei S, Zent R, Luther JM, Shuey MM, Capdevila JH, Falck JR, Guengerich FP, Williams SM, Pozzi A. The Cytochrome P450 Slow Metabolizers CYP2C9*2 and CYP2C9*3 Directly Regulate Tumorigenesis via Reduced Epoxyeicosatrienoic Acid Production. Cancer Res 2018; 78:4865-4877. [PMID: 30012669 PMCID: PMC6125168 DOI: 10.1158/0008-5472.can-17-3977] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 05/31/2018] [Accepted: 07/11/2018] [Indexed: 01/02/2023]
Abstract
Increased expression of cytochrome P450 CYP2C9, together with elevated levels of its products epoxyeicosatrienoic acids (EET), is associated with aggressiveness in cancer. Cytochrome P450 variants CYP2C9*2 and CYP2C9*3 encode proteins with reduced enzymatic activity, and individuals carrying these variants metabolize drugs more slowly than individuals with wild-type CYP2C9*1, potentially affecting their response to drugs and altering their risk of disease. Although genetic differences in CYP2C9-dependent oxidation of arachidonic acid (AA) have been reported, the roles of CYP2C9*2 and CYP2C9*3 in EET biosynthesis and their relevance to disease are unknown. Here, we report that CYP2C9*2 and CYP2C9*3 metabolize AA less efficiently than CYP2C9*1 and that they play a role in the progression of non-small cell lung cancer (NSCLC) via impaired EET biosynthesis. When injected into mice, NSCLC cells expressing CYP2C9*2 and CYP2C9*3 produced lower levels of EETs and developed fewer, smaller, and less vascularized tumors than cells expressing CYP2C9*1. Moreover, endothelial cells expressing these two variants proliferated and migrated less than cells expressing CYP2C*1. Purified CYP2C9*2 and CYP2C9*3 exhibited attenuated catalytic efficiency in producing EETs, primarily due to impaired reduction of these two variants by NADPH-P450 reductase. Loss-of-function SNPs within CYP2C9*2 and CYP2C9*3 were associated with improved survival in female cases of NSCLC. Thus, decreased EET biosynthesis represents a novel mechanism whereby CYPC29*2 and CYP2C9*3 exert a direct protective role in NSCLC development.Significance: These findings report single nucleotide polymorphisms in the human CYP2C9 genes, CYP2C9*2 and CYP2C9*3, exert a direct protective role in tumorigenesis by impairing EET biosynthesis. Cancer Res; 78(17); 4865-77. ©2018 AACR.
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Affiliation(s)
- Lindsay N Sausville
- Department of Population and Quantitative Health Sciences, Case Western Reserve University, Cleveland, Ohio
| | - Mahesha H Gangadhariah
- Division of Nephrology and Hypertension, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
- Department of Pathobiology, Cleveland Clinic, Cleveland, Ohio
| | - Manuel Chiusa
- Division of Nephrology and Hypertension, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Shaojun Mei
- Diabetes Research and Training Center, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Shouzuo Wei
- Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Roy Zent
- Division of Nephrology and Hypertension, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
- Veterans Affairs Hospital, Nashville, Tennessee
| | - James M Luther
- Department of Population and Quantitative Health Sciences, Case Western Reserve University, Cleveland, Ohio
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Megan M Shuey
- Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Jorge H Capdevila
- Division of Nephrology and Hypertension, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - John R Falck
- Division of Chemistry, University of Texas Southwestern Medical Center, Dallas, Texas
| | - F Peter Guengerich
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Scott M Williams
- Department of Population and Quantitative Health Sciences, Case Western Reserve University, Cleveland, Ohio
| | - Ambra Pozzi
- Division of Nephrology and Hypertension, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee.
- Veterans Affairs Hospital, Nashville, Tennessee
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An improved Ultra-High Performance Liquid chromatography-tandem mass spectrometry method for simultaneous quantitation of cytochrome P450 metabolites of arachidonic acid in human plasma. J Chromatogr A 2018; 1563:144-153. [DOI: 10.1016/j.chroma.2018.05.072] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 05/20/2018] [Accepted: 05/30/2018] [Indexed: 12/19/2022]
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Soluble epoxide hydrolase inhibition alleviated cognitive impairments via NRG1/ErbB4 signaling after chronic cerebral hypoperfusion induced by bilateral carotid artery stenosis in mice. Brain Res 2018; 1699:89-99. [PMID: 30343686 DOI: 10.1016/j.brainres.2018.07.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 07/01/2018] [Accepted: 07/02/2018] [Indexed: 12/19/2022]
Abstract
Cerebral ischemic stroke is associated with a high rate of incidence, prevalence and mortality globally. Carotid artery stenosis, which is mainly caused by atherosclerosis plaque, results in chronic cerebral hypoperfusion and predominantly increases the risk of ischemic stroke. In the present study, we used bilateral common carotid artery stenosis (BCAS) model by placing microcoils of 0.18 mm diameter encompassing both common carotid arteries respectively, to mimic the pathogenesis of carotid artery atherosclerosis and intensively explore the pathology. We found that BCAS injury for 1 month impaired spatial cognitive functions significantly, and inhibited synaptic plasticity, including hippocampal long-term potentiation (LTP) inhibition, dendritic spine density reduction and synaptic associative proteins disorder. BCAS-induced cerebral hypoperfused mice treated with 1-(1-propanoylpiperidin-4-yl)-3-[4-(trifluoromethoxy)phenyl]urea (TPPU), a potent soluble epoxide hydrolase (sEH) inhibitor, exhibited amelioration of cognitive dysfunction and improved synaptic plasticity. The neural protective effects of TPPU on BCAS-induced cerebral hypoperfusion might due to activation of neuregulin-1 (NRG1)/ErbB4 signaling, and triggered PI3K-Akt pathways subsequently. Our results suggested that sEH inhibition could exert multi-target protective effects and alleviate spatial cognitive dysfunctions after chronic cerebral hypoperfusion in mice.
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Napimoga MH, Rocha EP, Trindade-da-Silva CA, Demasi APD, Martinez EF, Macedo CG, Abdalla HB, Bettaieb A, Haj FG, Clemente-Napimoga JT, Inceoglu B, Hammock BD. Soluble epoxide hydrolase inhibitor promotes immunomodulation to inhibit bone resorption. J Periodontal Res 2018; 53:743-749. [PMID: 29851077 DOI: 10.1111/jre.12559] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/05/2018] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND OBJECTIVE Soluble epoxide hydrolase (sEH) is an enzyme in the arachidonate cascade which converts epoxy fatty acids (EpFAs), such as epoxyeicosatrienoic acids (EETs) produced by cytochrome P450 enzymes, to dihydroxy-eicosatrienoic acids. In the last 20 years with the development of inhibitors to sEH it has been possible to increase the levels of EETs and other EpFAs in in vivo models. Recently, studies have shown that EETs play a key role in blocking inflammation in a bone resorption process, but the mechanism is not clear. In the current study we used the sEH inhibitor (1-trifluoromethoxyphenyl-3-(1-propionylpiperidin-4-yl) urea [TPPU]) to investigate the immunomodulatory effects in a mouse periodontitis model. MATERIAL AND METHODS Mice were infected on days 0, 2, and 4 with Aggregatibacter actinomycetemcomitans and divided into groups (n = 6) that were treated orally, daily for 15 days, with 1 mg/kg of TPPU. Then, the mice were killed and their jaws were analyzed for bone resorption using morphometry. Immunoinflammatory markers in the gingival tissue were analyzed by microarray PCR or western blotting. RESULTS Infected mice treated with TPPU showed lower bone resorption than infected mice without treatment. Interestingly, infected mice showed increased expression of sEH; however, mice treated with TPPU had a reduction in expression of sEH. Besides, several proinflammatory cytokines and molecular markers were downregulated in the gingival tissue in the group treated with 1 mg/kg of TPPU. CONCLUSION The sEH inhibitor, TPPU, showed immunomodulatory effects, decreasing bone resorption and inflammatory responses in a bone resorption mouse model.
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Affiliation(s)
- M H Napimoga
- São Leopoldo Mandic Institute and Research Center, Campinas, Brazil
| | - E P Rocha
- São Leopoldo Mandic Institute and Research Center, Campinas, Brazil
| | - C A Trindade-da-Silva
- Department of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California, Davis, CA, USA
| | - A P D Demasi
- São Leopoldo Mandic Institute and Research Center, Campinas, Brazil
| | - E F Martinez
- São Leopoldo Mandic Institute and Research Center, Campinas, Brazil
| | - C G Macedo
- São Leopoldo Mandic Institute and Research Center, Campinas, Brazil
| | - H B Abdalla
- Laboratory of Orofacial Pain, Department of Physiology, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil
| | - A Bettaieb
- Department of Nutrition, University of Tennessee-Knoxville, Knoxville, TN, USA
| | - F G Haj
- Nutrition Department, University of California, Davis, CA, USA
| | | | - B Inceoglu
- Department of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California, Davis, CA, USA
| | - B D Hammock
- Department of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California, Davis, CA, USA
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89
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Gai Z, Visentin M, Gui T, Zhao L, Thasler WE, Häusler S, Hartling I, Cremonesi A, Hiller C, Kullak-Ublick GA. Effects of Farnesoid X Receptor Activation on Arachidonic Acid Metabolism, NF-kB Signaling, and Hepatic Inflammation. Mol Pharmacol 2018; 94:802-811. [PMID: 29743187 DOI: 10.1124/mol.117.111047] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 05/07/2018] [Indexed: 01/01/2023] Open
Abstract
Inflammation has a recognized role in nonalcoholic fatty liver disease (NAFLD) progression. In the present work, we studied the effect of high-fat diet (HFD) on arachidonic acid metabolism in the liver and investigated the role of the farnesoid X receptor (FXR, NR1H4) in eicosanoid biosynthetic pathways and nuclear factor κ light-chain enhancer of activated B cells (NF-kB) signaling, major modulators of the inflammatory cascade. Mice were fed an HFD to induce NAFLD and then treated with the FXR ligand obeticholic acid (OCA). Histology and gene expression analyses were performed on liver tissue. Eicosanoid levels were measured from serum and urine samples. The molecular mechanism underlying the effect of FXR activation on arachidonic acid metabolism and NF-kB signaling was studied in human liver Huh7 cells and primary cultured hepatocytes. NAFLD was characterized by higher (∼25%) proinflammatory [leukotrienes (LTB4)] and lower (∼3-fold) anti-inflammatory [epoxyeicosatrienoic acids (EETs)] eicosanoid levels than in chow mice. OCA induced the expression of several hepatic cytochrome P450 (P450) epoxygenases, the enzymes responsible for EET synthesis, and mitigated HFD-induced hepatic injury. In vitro, induction of CYP450 epoxygenases was sufficient to inhibit NF-kB signaling and cell migration. The CYP450 epoxygenase pan-inhibitor gemfibrozil fully abolished the protective effect of OCA, indicating that OCA-mediated inhibition of NF-kB signaling was EET-dependent. In summary, NAFLD was characterized by an imbalance in arachidonate metabolism. FXR activation reprogramed arachidonate metabolism by inducing P450 epoxygenase expression and EET production. In vitro, FXR-mediated NF-kB inhibition required active P450 epoxygenases.
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Affiliation(s)
- Zhibo Gai
- Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, University of Zurich, Zurich, Switzerland (Z.G., M.V., S.H., C.H., G.A.K.-U.); Experiment Center, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China (T.G.); Department of Endocrinology, Chinese PLA 309 Hospital, Peking, China (L.Z.); Department of General and Visceral Surgery, Rotkreuzklinikum Munich, Munich, Germany (W.E.T.); Department of Clinical Chemistry and Biochemistry, University Children's Hospital Zurich, Zurich, Switzerland (I.H., A.C.); and Mechanistic Safety, Novartis Global Drug Development, Basel, Switzerland (G.A.K.-U.)
| | - Michele Visentin
- Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, University of Zurich, Zurich, Switzerland (Z.G., M.V., S.H., C.H., G.A.K.-U.); Experiment Center, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China (T.G.); Department of Endocrinology, Chinese PLA 309 Hospital, Peking, China (L.Z.); Department of General and Visceral Surgery, Rotkreuzklinikum Munich, Munich, Germany (W.E.T.); Department of Clinical Chemistry and Biochemistry, University Children's Hospital Zurich, Zurich, Switzerland (I.H., A.C.); and Mechanistic Safety, Novartis Global Drug Development, Basel, Switzerland (G.A.K.-U.)
| | - Ting Gui
- Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, University of Zurich, Zurich, Switzerland (Z.G., M.V., S.H., C.H., G.A.K.-U.); Experiment Center, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China (T.G.); Department of Endocrinology, Chinese PLA 309 Hospital, Peking, China (L.Z.); Department of General and Visceral Surgery, Rotkreuzklinikum Munich, Munich, Germany (W.E.T.); Department of Clinical Chemistry and Biochemistry, University Children's Hospital Zurich, Zurich, Switzerland (I.H., A.C.); and Mechanistic Safety, Novartis Global Drug Development, Basel, Switzerland (G.A.K.-U.)
| | - Lin Zhao
- Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, University of Zurich, Zurich, Switzerland (Z.G., M.V., S.H., C.H., G.A.K.-U.); Experiment Center, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China (T.G.); Department of Endocrinology, Chinese PLA 309 Hospital, Peking, China (L.Z.); Department of General and Visceral Surgery, Rotkreuzklinikum Munich, Munich, Germany (W.E.T.); Department of Clinical Chemistry and Biochemistry, University Children's Hospital Zurich, Zurich, Switzerland (I.H., A.C.); and Mechanistic Safety, Novartis Global Drug Development, Basel, Switzerland (G.A.K.-U.)
| | - Wolfgang E Thasler
- Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, University of Zurich, Zurich, Switzerland (Z.G., M.V., S.H., C.H., G.A.K.-U.); Experiment Center, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China (T.G.); Department of Endocrinology, Chinese PLA 309 Hospital, Peking, China (L.Z.); Department of General and Visceral Surgery, Rotkreuzklinikum Munich, Munich, Germany (W.E.T.); Department of Clinical Chemistry and Biochemistry, University Children's Hospital Zurich, Zurich, Switzerland (I.H., A.C.); and Mechanistic Safety, Novartis Global Drug Development, Basel, Switzerland (G.A.K.-U.)
| | - Stephanie Häusler
- Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, University of Zurich, Zurich, Switzerland (Z.G., M.V., S.H., C.H., G.A.K.-U.); Experiment Center, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China (T.G.); Department of Endocrinology, Chinese PLA 309 Hospital, Peking, China (L.Z.); Department of General and Visceral Surgery, Rotkreuzklinikum Munich, Munich, Germany (W.E.T.); Department of Clinical Chemistry and Biochemistry, University Children's Hospital Zurich, Zurich, Switzerland (I.H., A.C.); and Mechanistic Safety, Novartis Global Drug Development, Basel, Switzerland (G.A.K.-U.)
| | - Ivan Hartling
- Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, University of Zurich, Zurich, Switzerland (Z.G., M.V., S.H., C.H., G.A.K.-U.); Experiment Center, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China (T.G.); Department of Endocrinology, Chinese PLA 309 Hospital, Peking, China (L.Z.); Department of General and Visceral Surgery, Rotkreuzklinikum Munich, Munich, Germany (W.E.T.); Department of Clinical Chemistry and Biochemistry, University Children's Hospital Zurich, Zurich, Switzerland (I.H., A.C.); and Mechanistic Safety, Novartis Global Drug Development, Basel, Switzerland (G.A.K.-U.)
| | - Alessio Cremonesi
- Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, University of Zurich, Zurich, Switzerland (Z.G., M.V., S.H., C.H., G.A.K.-U.); Experiment Center, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China (T.G.); Department of Endocrinology, Chinese PLA 309 Hospital, Peking, China (L.Z.); Department of General and Visceral Surgery, Rotkreuzklinikum Munich, Munich, Germany (W.E.T.); Department of Clinical Chemistry and Biochemistry, University Children's Hospital Zurich, Zurich, Switzerland (I.H., A.C.); and Mechanistic Safety, Novartis Global Drug Development, Basel, Switzerland (G.A.K.-U.)
| | - Christian Hiller
- Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, University of Zurich, Zurich, Switzerland (Z.G., M.V., S.H., C.H., G.A.K.-U.); Experiment Center, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China (T.G.); Department of Endocrinology, Chinese PLA 309 Hospital, Peking, China (L.Z.); Department of General and Visceral Surgery, Rotkreuzklinikum Munich, Munich, Germany (W.E.T.); Department of Clinical Chemistry and Biochemistry, University Children's Hospital Zurich, Zurich, Switzerland (I.H., A.C.); and Mechanistic Safety, Novartis Global Drug Development, Basel, Switzerland (G.A.K.-U.)
| | - Gerd A Kullak-Ublick
- Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, University of Zurich, Zurich, Switzerland (Z.G., M.V., S.H., C.H., G.A.K.-U.); Experiment Center, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China (T.G.); Department of Endocrinology, Chinese PLA 309 Hospital, Peking, China (L.Z.); Department of General and Visceral Surgery, Rotkreuzklinikum Munich, Munich, Germany (W.E.T.); Department of Clinical Chemistry and Biochemistry, University Children's Hospital Zurich, Zurich, Switzerland (I.H., A.C.); and Mechanistic Safety, Novartis Global Drug Development, Basel, Switzerland (G.A.K.-U.)
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Das UN. Arachidonic acid in health and disease with focus on hypertension and diabetes mellitus: A review. J Adv Res 2018; 11:43-55. [PMID: 30034875 PMCID: PMC6052660 DOI: 10.1016/j.jare.2018.01.002] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2017] [Revised: 01/01/2018] [Accepted: 01/02/2018] [Indexed: 02/06/2023] Open
Abstract
Arachidonic acid (AA 20:4n-6) is an essential component of cell membranes and modulates cell membrane fluidity. AA is metabolized by cyclo-oxygenase (COX), lipoxygenase (LOX) and cytochrome P450 enzymes to form several metabolites that have important biological actions. Of all the actions, role of AA in the regulation of blood pressure and its ability to prevent both type 1 and type 2 diabetes mellitus seems to be interesting. Studies showed that AA and its metabolites especially, lipoxin A4 (LXA4) and epoxyeicosatrienoic acids (EETs), potent anti-inflammatory metabolites, have a crucial role in the pathobiology of hypertension and diabetes mellitus. AA, LXA4 and EETs regulate smooth muscle function and proliferation, voltage gated ion channels, cell membrane fluidity, membrane receptors, G-coupled receptors, PPARs, free radical generation, nitric oxide formation, inflammation, and immune responses that, in turn, participate in the regulation blood pressure and pathogenesis of diabetes mellitus. In this review, role of AA and its metabolites LXA4 and EETs in the pathobiology of hypertension, pre-eclampsia and diabetes mellitus are discussed. Based on several lines of evidences, it is proposed that a combination of aspirin and AA could be of benefit in the prevention and management of hypertension, pre-eclampsia and diabetes mellitus.
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91
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Solanki M, Pointon A, Jones B, Herbert K. Cytochrome P450 2J2: Potential Role in Drug Metabolism and Cardiotoxicity. Drug Metab Dispos 2018; 46:1053-1065. [DOI: 10.1124/dmd.117.078964] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Accepted: 04/19/2018] [Indexed: 12/11/2022] Open
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Zimmer B, Angioni C, Osthues T, Toewe A, Thomas D, Pierre SC, Geisslinger G, Scholich K, Sisignano M. The oxidized linoleic acid metabolite 12,13-DiHOME mediates thermal hyperalgesia during inflammatory pain. Biochim Biophys Acta Mol Cell Biol Lipids 2018; 1863:669-678. [PMID: 29625231 DOI: 10.1016/j.bbalip.2018.03.012] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 02/23/2018] [Accepted: 03/28/2018] [Indexed: 01/08/2023]
Abstract
Eicosanoids play a crucial role in inflammatory pain. However, there is very little knowledge about the contribution of oxidized linoleic acid metabolites in inflammatory pain and peripheral sensitization. Here, we identify 12,13-dihydroxy-9Z-octadecenoic acid (12,13-DiHOME), a cytochrome P450-derived linoleic acid metabolite, as crucial mediator of thermal hyperalgesia during inflammatory pain. We found 12,13-DiHOME in increased concentrations in peripheral nervous tissue during acute zymosan- and complete Freund's Adjuvant-induced inflammatory pain. 12,13-DiHOME causes calcium transients in sensory neurons and sensitizes the transient receptor potential vanilloid 1 (TRPV1)-mediated intracellular calcium increases via protein kinase C, subsequently leading to enhanced TRPV1-dependent CGRP-release from sensory neurons. Peripheral injection of 12,13-DiHOME in vivo causes TRPV1-dependent thermal pain hypersensitivity. Finally, application of the soluble epoxide hydrolase (sEH)-inhibitor TPPU reduces 12,13-DiHOME concentrations in nervous tissue and reduces zymosan- and CFA-induced thermal hyperalgesia in vivo. In conclusion, we identify a novel role for the lipid mediator 12,13-DiHOME in mediating thermal hyperalgesia during inflammatory pain and propose a novel mechanism that may explain the antihyperalgesic effects of sEH inhibitors in vivo.
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Affiliation(s)
- Béla Zimmer
- Institute of Clinical Pharmacology, Pharmazentrum Frankfurt/ZAFES, University Hospital, Goethe-University, D-60590 Frankfurt am Main, Germany
| | - Carlo Angioni
- Institute of Clinical Pharmacology, Pharmazentrum Frankfurt/ZAFES, University Hospital, Goethe-University, D-60590 Frankfurt am Main, Germany
| | - Tabea Osthues
- Institute of Clinical Pharmacology, Pharmazentrum Frankfurt/ZAFES, University Hospital, Goethe-University, D-60590 Frankfurt am Main, Germany; Fraunhofer Institute for Molecular Biology and Applied Ecology - Project Group Translational Medicine and Pharmacology (IME-TMP), Frankfurt am Main, Germany
| | - Andy Toewe
- Institute of Clinical Pharmacology, Pharmazentrum Frankfurt/ZAFES, University Hospital, Goethe-University, D-60590 Frankfurt am Main, Germany
| | - Dominique Thomas
- Institute of Clinical Pharmacology, Pharmazentrum Frankfurt/ZAFES, University Hospital, Goethe-University, D-60590 Frankfurt am Main, Germany
| | - Sandra C Pierre
- Institute of Clinical Pharmacology, Pharmazentrum Frankfurt/ZAFES, University Hospital, Goethe-University, D-60590 Frankfurt am Main, Germany
| | - Gerd Geisslinger
- Institute of Clinical Pharmacology, Pharmazentrum Frankfurt/ZAFES, University Hospital, Goethe-University, D-60590 Frankfurt am Main, Germany; Fraunhofer Institute for Molecular Biology and Applied Ecology - Project Group Translational Medicine and Pharmacology (IME-TMP), Frankfurt am Main, Germany
| | - Klaus Scholich
- Institute of Clinical Pharmacology, Pharmazentrum Frankfurt/ZAFES, University Hospital, Goethe-University, D-60590 Frankfurt am Main, Germany; Fraunhofer Institute for Molecular Biology and Applied Ecology - Project Group Translational Medicine and Pharmacology (IME-TMP), Frankfurt am Main, Germany
| | - Marco Sisignano
- Institute of Clinical Pharmacology, Pharmazentrum Frankfurt/ZAFES, University Hospital, Goethe-University, D-60590 Frankfurt am Main, Germany.
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Luo J, Yao JF, Deng XF, Zheng XD, Jia M, Wang YQ, Huang Y, Zhu JH. 14, 15-EET induces breast cancer cell EMT and cisplatin resistance by up-regulating integrin αvβ3 and activating FAK/PI3K/AKT signaling. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:23. [PMID: 29426357 PMCID: PMC5807756 DOI: 10.1186/s13046-018-0694-6] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Accepted: 01/31/2018] [Indexed: 02/06/2023]
Abstract
Background 14,15-epoxyeicosatrienoic acid (14,15-EET) is an important lipid signaling molecule involved in the regulation of tumor metastasis, however, the role and molecular mechanisms of 14,15-EET activity in breast cancer cell epithelial-mesenchymal transition (EMT) and drug resistance remain enigmatic. Methods The 14, 15-EET level in serum and in tumor or non-cancerous tissue from breast cancer patients was measured by ELISA. qRT-PCR and western blot analyses were used to examine expression of integrin αvβ3. The role of 14, 15-EET in breast cancer cell adhesion, invasion was explored by adhesion and Transwell assays. The role of 14, 15-EET in breast cancer cell cisplatin resistance in vitro was determined by MTT assay. Western blot was conducted to detect the protein expressions of EMT-related markers and FAK/PI3K/AKT signaling. Xenograft models in nude mice were established to explore the roles of 14, 15-EET in breast cancer cells EMT and cisplatin resistance in vivo. Results In the present study, we show that serum level of 14, 15-EET increases in breast cancer patients and 14, 15-EET level of tumor tissue is higher than that of non-cancerous tissue. Moreover, 14, 15-EET increases integrin αvβ3 expression, leading to FAK activation. 14, 15-EET induces breast cancer cell EMT via integrin αvβ3 and FAK/PI3K/AKT cascade activation in vitro. Furthermore, we find that 14, 15-EET induces breast cancer cells EMT and cisplatin resistance in vivo, αvβ3 integrin and the resulting FAK/PI3K/AKT signaling pathway are responsible for 14, 15-EET induced-breast cancer cells cisplatin resistance. Conclusions Our findings suggest that inhibition of 14, 15-EET or inactivation of integrin αvβ3/FAK/PI3K/AKT pathway could serve as a novel approach to reverse EMT and cisplatin resistance in breast cancer cells.
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Affiliation(s)
- Jing Luo
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei, People's Republic of China
| | - Jian-Feng Yao
- Quanzhou Maternal and Child Health Care Hospital, Quanzhou, People's Republic of China
| | - Xiao-Fei Deng
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei, People's Republic of China
| | - Xiao-Dan Zheng
- Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei, People's Republic of China
| | - Min Jia
- Laboratory of Clinical Immunology, Wuhan No.1 Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), 215 Zhongshan Dadao, Wuhan, Hubei, 430022, People's Republic of China
| | - Yue-Qin Wang
- Laboratory of Clinical Immunology, Wuhan No.1 Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), 215 Zhongshan Dadao, Wuhan, Hubei, 430022, People's Republic of China
| | - Yan Huang
- Laboratory of Clinical Immunology, Wuhan No.1 Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), 215 Zhongshan Dadao, Wuhan, Hubei, 430022, People's Republic of China
| | - Jian-Hua Zhu
- Laboratory of Clinical Immunology, Wuhan No.1 Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), 215 Zhongshan Dadao, Wuhan, Hubei, 430022, People's Republic of China.
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Dou F, Miao H, Wang JW, Chen L, Wang M, Chen H, Wen AD, Zhao YY. An Integrated Lipidomics and Phenotype Study Reveals Protective Effect and Biochemical Mechanism of Traditionally Used Alisma orientale Juzepzuk in Chronic Kidney Disease. Front Pharmacol 2018; 9:53. [PMID: 29472858 PMCID: PMC5809464 DOI: 10.3389/fphar.2018.00053] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Accepted: 01/15/2018] [Indexed: 01/02/2023] Open
Abstract
Alisma orientale Juzepzuk (AO) is widely used for various diuretic and nephropathic treatments in traditional Chinese medicines (TCM). In a clinical setting, AO is used as both a lipid-lowering and tubular interstitial fibrosis agent. However, the mechanisms of AO for the treatment of renal interstitial fibrosis and abnormal lipid metabolism are not well-understood. In this study, pharmacological and UPLC-HDMS-based lipidomic approaches were employed to investigate the lipid-lowering and tubular interstitial fibrosis effect of AO on rats with adenine-induced chronic kidney disease (CKD). Rats with CKD showed increased serum levels of creatinine and urea, tubular damage, and tubular interstitial fibrosis. Moreover, multiple lipid species were identified in CKD rats. Among these lipids, polyunsaturated fatty acid, eicosapentaenoic acid, 8,9-epoxyeicosatrienoic acid, and docosahexaenoic acid levels were significantly decreased in CKD rats compared to control rats. In CKD rats, up-regulation of the NF-κB pathway may impair polyunsaturated fatty acid metabolism, causing renal fibrosis. In addition, CKD rats showed significantly decreased diglyceride levels and increased triglyceride levels compared to the control group. Pathway over-representation analysis demonstrated that 30 metabolic pathways were associated with lipid species. AO treatment suppressed up-regulation of inflammation, and partly restored the deregulation of polyunsaturated fatty acids and glycerolipids metabolism. Our results indicated that AO treatment attenuated renal fibrosis by down-regulating inflammation, and mitigating lipid metabolism in CKD rats. In conclusion, this study has identified the therapeutic lipid-lowering and anti-fibrosis effects of AO on CKD.
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Affiliation(s)
- Fang Dou
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Hua Miao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Northwest University, Xi'an, China
| | - Jing-Wen Wang
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Lin Chen
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Northwest University, Xi'an, China
| | - Ming Wang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Northwest University, Xi'an, China
| | - Hua Chen
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Northwest University, Xi'an, China
| | - Ai-Dong Wen
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Ying-Yong Zhao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Northwest University, Xi'an, China
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95
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Bukhari IA, Almotrefi AA, Mohamed OY, Al-Masri AA, Sheikh SA. Protective effect of fenofibrate against ischemia-/reperfusion-induced cardiac arrhythmias in isolated rat hearts. Fundam Clin Pharmacol 2018; 32:141-146. [DOI: 10.1111/fcp.12342] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 12/06/2017] [Accepted: 12/22/2017] [Indexed: 12/11/2022]
Affiliation(s)
- Ishfaq A. Bukhari
- Department of Pharmacology; College of Medicine; King Saud University P. O. BOX 2454; Riyadh 11451 Saudi Arabia
| | - Abdulrahman A. Almotrefi
- Department of Pharmacology; College of Medicine; King Saud University P. O. BOX 2454; Riyadh 11451 Saudi Arabia
| | - Osama Y. Mohamed
- Department of Pharmacology; College of Medicine; King Saud University P. O. BOX 2454; Riyadh 11451 Saudi Arabia
| | - Abeer A. Al-Masri
- Department of Physiology; Cardiovascular Research Group; College of Medicine; King Saud University P. O. BOX 2454; Riyadh 11451 Saudi Arabia
| | - Saeed A. Sheikh
- Department of Pharmacology; College of Medicine; King Saud University P. O. BOX 2454; Riyadh 11451 Saudi Arabia
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96
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Edin ML, Hamedani BG, Gruzdev A, Graves JP, Lih FB, Arbes SJ, Singh R, Orjuela Leon AC, Bradbury JA, DeGraff LM, Hoopes SL, Arand M, Zeldin DC. Epoxide hydrolase 1 (EPHX1) hydrolyzes epoxyeicosanoids and impairs cardiac recovery after ischemia. J Biol Chem 2018; 293:3281-3292. [PMID: 29298899 DOI: 10.1074/jbc.ra117.000298] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 12/15/2017] [Indexed: 12/12/2022] Open
Abstract
Stimuli such as inflammation or hypoxia induce cytochrome P450 epoxygenase-mediated production of arachidonic acid-derived epoxyeicosatrienoic acids (EETs). EETs have cardioprotective, vasodilatory, angiogenic, anti-inflammatory, and analgesic effects, which are diminished by EET hydrolysis yielding biologically less active dihydroxyeicosatrienoic acids (DHETs). Previous in vitro assays have suggested that epoxide hydrolase 2 (EPHX2) is responsible for nearly all EET hydrolysis. EPHX1, which exhibits slow EET hydrolysis in vitro, is thought to contribute only marginally to EET hydrolysis. Using Ephx1-/-, Ephx2-/-, and Ephx1-/-Ephx2-/- mice, we show here that EPHX1 significantly contributes to EET hydrolysis in vivo Disruption of Ephx1 and/or Ephx2 genes did not induce compensatory changes in expression of other Ephx genes or CYP2 family epoxygenases. Plasma levels of 8,9-, 11,12-, and 14,15-DHET were reduced by 38, 44, and 67% in Ephx2-/- mice compared with wildtype (WT) mice, respectively; however, plasma from Ephx1-/-Ephx2-/- mice exhibited significantly greater reduction (100, 99, and 96%) of those respective DHETs. Kinetic assays and FRET experiments indicated that EPHX1 is a slow EET scavenger, but hydrolyzes EETs in a coupled reaction with cytochrome P450 to limit basal EET levels. Moreover, we also found that EPHX1 activities are biologically relevant, as Ephx1-/-Ephx2-/- hearts had significantly better postischemic functional recovery (71%) than both WT (31%) and Ephx2-/- (51%) hearts. These findings indicate that Ephx1-/-Ephx2-/- mice are a valuable model for assessing EET-mediated effects, uncover a new paradigm for EET metabolism, and suggest that dual EPHX1 and EPHX2 inhibition may represent a therapeutic approach to manage human pathologies such as myocardial infarction.
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Affiliation(s)
- Matthew L Edin
- From the Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, 27709 and
| | - Behin Gholipour Hamedani
- the Institute of Pharmacology and Toxicology, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Artiom Gruzdev
- From the Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, 27709 and
| | - Joan P Graves
- From the Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, 27709 and
| | - Fred B Lih
- From the Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, 27709 and
| | - Samuel J Arbes
- From the Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, 27709 and
| | - Rohanit Singh
- From the Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, 27709 and
| | - Anette C Orjuela Leon
- the Institute of Pharmacology and Toxicology, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - J Alyce Bradbury
- From the Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, 27709 and
| | - Laura M DeGraff
- From the Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, 27709 and
| | - Samantha L Hoopes
- From the Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, 27709 and
| | - Michael Arand
- the Institute of Pharmacology and Toxicology, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Darryl C Zeldin
- From the Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, 27709 and
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97
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Ma L, Yan M, Kong X, Jiang Y, Zhao T, Zhao H, Liu Q, Zhang H, Liu P, Cao Y, Li P. Association of EPHX2 R287Q Polymorphism with Diabetic Nephropathy in Chinese Type 2 Diabetic Patients. J Diabetes Res 2018; 2018:2786470. [PMID: 29629376 PMCID: PMC5832179 DOI: 10.1155/2018/2786470] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 10/11/2017] [Indexed: 01/19/2023] Open
Abstract
The aim of this study was to investigate the relationship between EPHX2 rs751141 (R287Q polymorphism) and diabetic nephropathy (DN) in Chinese type 2 diabetes (T2D). This case-control study explored the association between EPHX2 rs751141 and DN in a total of 870 Chinese T2D patients (406 T2D patients with DN and 464 T2D patients without DN). DNA was extracted from peripheral leukocytes of the patients and rs751141 was genotyped. The A allele frequency of rs751141 was significantly lower in DN patients (20.94%) compared with non-DN controls (27.8%) (P = 0.001), and the A allele of rs751141 was associated with a significantly lower risk of DN after adjustment for multiple covariates in the additive genetic model (OR = 0.68, 95% CI = 0.52-0.88, P = 0.004). Significant association between rs751141 and homocysteine (Hcy) level on the risk of DN was observed, indicating that in patients with the highest Hcy levels, the A allele showed marked association with lower risk of DN in all three genetic models. In conclusion, the A allele of exonic polymorphism in EPHX2 rs751141 is negatively associated with the incidence of DN in the Chinese T2D population, which could be modulated by Hcy level status.
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Affiliation(s)
- Liang Ma
- Clinical Laboratory, China-Japan Friendship Hospital, Beijing, China
| | - Meihua Yan
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Science, China-Japan Friendship Hospital, Beijing, China
| | - Xiaomu Kong
- Department of Endocrinology, China-Japan Friendship Hospital, Beijing, China
| | - Yongwei Jiang
- Clinical Laboratory, China-Japan Friendship Hospital, Beijing, China
| | - Tingting Zhao
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Science, China-Japan Friendship Hospital, Beijing, China
| | - Hailing Zhao
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Science, China-Japan Friendship Hospital, Beijing, China
| | - Qian Liu
- Clinical Laboratory, China-Japan Friendship Hospital, Beijing, China
| | - Haojun Zhang
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Science, China-Japan Friendship Hospital, Beijing, China
| | - Peng Liu
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yongtong Cao
- Clinical Laboratory, China-Japan Friendship Hospital, Beijing, China
| | - Ping Li
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Science, China-Japan Friendship Hospital, Beijing, China
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98
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Wang F, Zhang H, Ma AH, Yu W, Zimmermann M, Yang J, Hwang SH, Zhu D, Lin TY, Malfatti M, Turteltaub KW, Henderson PT, Airhart S, Hammock BD, Yuan J, de Vere White RW, Pan CX. COX-2/sEH Dual Inhibitor PTUPB Potentiates the Antitumor Efficacy of Cisplatin. Mol Cancer Ther 2017; 17:474-483. [PMID: 29284644 DOI: 10.1158/1535-7163.mct-16-0818] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 05/25/2017] [Accepted: 12/06/2017] [Indexed: 12/14/2022]
Abstract
Cisplatin-based therapy is highly toxic, but moderately effective in most cancers. Concurrent inhibition of cyclooxygenase-2 (COX-2) and soluble epoxide hydrolase (sEH) results in antitumor activity and has organ-protective effects. The goal of this study was to determine the antitumor activity of PTUPB, an orally bioavailable COX-2/sEH dual inhibitor, in combination with cisplatin and gemcitabine (GC) therapy. NSG mice bearing bladder cancer patient-derived xenografts were treated with vehicle, PTUPB, cisplatin, GC, or combinations thereof. Mouse experiments were performed with two different PDX models. PTUPB potentiated cisplatin and GC therapy, resulting in significantly reduced tumor growth and prolonged survival. PTUPB plus cisplatin was no more toxic than cisplatin single-agent treatment as assessed by body weight, histochemical staining of major organs, blood counts, and chemistry. The combination of PTUPB and cisplatin increased apoptosis and decreased phosphorylation in the MAPK/ERK and PI3K/AKT/mTOR pathways compared with controls. PTUPB treatment did not alter platinum-DNA adduct levels, which is the most critical step in platinum-induced cell death. The in vitro study using the combination index method showed modest synergy between PTUPB and platinum agents only in 5637 cell line among several cell lines examined. However, PTUPB is very active in vivo by inhibiting angiogenesis. In conclusion, PTUPB potentiated the antitumor activity of cisplatin-based treatment without increasing toxicity in vivo and has potential for further development as a combination chemotherapy partner. Mol Cancer Ther; 17(2); 474-83. ©2017 AACR.
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Affiliation(s)
- Fuli Wang
- Department of Internal Medicine, School of Medicine, University of California Davis, Sacramento, California.,Department of Urology, Xijing Hospital, The Fourth Military Medical University, Xi'an City, Shanxi Province, China
| | - Hongyong Zhang
- Department of Internal Medicine, School of Medicine, University of California Davis, Sacramento, California
| | - Ai-Hong Ma
- Department of Biochemistry and Molecular Medicine, School of Medicine, University of California Davis, Sacramento, California
| | - Weimin Yu
- Department of Internal Medicine, School of Medicine, University of California Davis, Sacramento, California.,Department of Urology, Renmin Hospital, Wuhan University, Wuhan, Hubei Province, China
| | - Maike Zimmermann
- Department of Internal Medicine, School of Medicine, University of California Davis, Sacramento, California
| | - Jun Yang
- Department of Entomology and Nematology, University of California, Davis, California
| | - Sung Hee Hwang
- Department of Entomology and Nematology, University of California, Davis, California
| | - Daniel Zhu
- Department of Internal Medicine, School of Medicine, University of California Davis, Sacramento, California
| | - Tzu-Yin Lin
- Department of Internal Medicine, School of Medicine, University of California Davis, Sacramento, California
| | | | | | - Paul T Henderson
- Department of Internal Medicine, School of Medicine, University of California Davis, Sacramento, California
| | | | - Bruce D Hammock
- Department of Entomology and Nematology, University of California, Davis, California
| | - Jianlin Yuan
- Department of Urology, Xijing Hospital, The Fourth Military Medical University, Xi'an City, Shanxi Province, China
| | - Ralph W de Vere White
- Department of Urology, School of Medicine and Comprehensive Cancer Center, University of California Davis, Sacramento, California.
| | - Chong-Xian Pan
- Department of Internal Medicine, School of Medicine, University of California Davis, Sacramento, California. .,Department of Urology, School of Medicine and Comprehensive Cancer Center, University of California Davis, Sacramento, California.,VA Northern California Health Care System, Rancho Cordova, California
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99
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Arnold WR, Baylon JL, Tajkhorshid E, Das A. Arachidonic Acid Metabolism by Human Cardiovascular CYP2J2 Is Modulated by Doxorubicin. Biochemistry 2017; 56:6700-6712. [PMID: 29200270 DOI: 10.1021/acs.biochem.7b01025] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Doxorubicin (DOX) is a chemotherapeutic that is used in the treatment of a wide variety of cancers. However, it causes cardiotoxicity partly because of the formation of reactive oxygen species. CYP2J2 is a human cytochrome P450 that is strongly expressed in cardiomyocytes. It converts arachidonic acid (AA) into four different regioisomers of epoxyeicosatrienoic acids (EETs). Using kinetic analyses, we show that AA metabolism by CYP2J2 is modulated by DOX. We show that cytochrome P450 reductase, the redox partner of CYP2J2, metabolizes DOX to 7-deoxydoxorubicin aglycone (7-de-aDOX). This metabolite then binds to CYP2J2 and inhibits and alters the preferred site of metabolism of AA, leading to a change in the ratio of the EET regioisomers. Furthermore, molecular dynamics simulations indicate that 7-de-aDOX and AA can concurrently bind to the CYP2J2 active site to produce these changes in the site of AA metabolism. To determine if these observations are unique to DOX/7-de-aDOX, we use noncardiotoxic DOX analogues, zorubicin (ZRN) and 5-iminodaunorubicin (5-IDN). ZRN and 5-IDN inhibit CYP2J2-mediated AA metabolism but do not change the ratio of EET regioisomers. Altogether, we demonstrate that DOX and 7-de-aDOX inhibit CYP2J2-mediated AA metabolism and 7-de-aDOX binds close to the active site to alter the ratio of cardioprotective EETs. These mechanistic studies of CYP2J2 can aid in the design of new alternative DOX derivatives.
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Affiliation(s)
- William R Arnold
- Department of Comparative Biosciences, ‡Department of Biochemistry, §Center for Biophysics and Computational Biology, ∥Beckman Institute for Advanced Science and Technology, and ⊥Department of Bioengineering, Neuroscience Program, University of Illinois Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Javier L Baylon
- Department of Comparative Biosciences, ‡Department of Biochemistry, §Center for Biophysics and Computational Biology, ∥Beckman Institute for Advanced Science and Technology, and ⊥Department of Bioengineering, Neuroscience Program, University of Illinois Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Emad Tajkhorshid
- Department of Comparative Biosciences, ‡Department of Biochemistry, §Center for Biophysics and Computational Biology, ∥Beckman Institute for Advanced Science and Technology, and ⊥Department of Bioengineering, Neuroscience Program, University of Illinois Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Aditi Das
- Department of Comparative Biosciences, ‡Department of Biochemistry, §Center for Biophysics and Computational Biology, ∥Beckman Institute for Advanced Science and Technology, and ⊥Department of Bioengineering, Neuroscience Program, University of Illinois Urbana-Champaign , Urbana, Illinois 61801, United States
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100
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Effects of dronedarone, amiodarone and their active metabolites on sequential metabolism of arachidonic acid to epoxyeicosatrienoic and dihydroxyeicosatrienoic acids. Biochem Pharmacol 2017; 146:188-198. [DOI: 10.1016/j.bcp.2017.09.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Accepted: 09/22/2017] [Indexed: 12/23/2022]
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