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Walls KM, Joh JY, Hong KU, Hein DW. Heterocyclic Amines Disrupt Lipid Homeostasis in Cryopreserved Human Hepatocytes. Cardiovasc Toxicol 2024; 24:747-756. [PMID: 38851663 PMCID: PMC11300155 DOI: 10.1007/s12012-024-09874-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 05/23/2024] [Indexed: 06/10/2024]
Abstract
Metabolic dysfunction associated-steatotic liver disease (MASLD)/metabolic dysfunction-associated steatohepatitis (MASH) is the liver manifestation of metabolic syndrome, which is characterized by insulin resistance, hyperglycemia, hypertension, dyslipidemia, and/or obesity. Environmental pollutant exposure has been recently identified as a risk factor for developing MASH. Heterocyclic amines (HCAs) are mutagens generated when cooking meat at high temperatures or until well-done. Recent epidemiological studies reported that dietary HCA exposure may be linked to insulin resistance and type II diabetes, and we recently reported that HCAs induce insulin resistance and glucose production in human hepatocytes. However, no previous studies have examined the effects of HCAs on hepatic lipid homeostasis. In the present study, we assessed the effects of two common HCAs, MeIQx (2-amino-3, 8-dimethylimidazo [4, 5-f] quinoxaline) and PhIP (2-amino-1-methyl-6-phenylimidazo[4, 5-b] pyridine), on lipid homeostasis in cryopreserved human hepatocytes. Exposure to a single concentration of 25 μM MeIQx or PhIP in human hepatocytes led to dysregulation of lipid homeostasis, typified by significant increases in lipid droplets and triglycerides. PhIP significantly increased expression of lipid droplet-associated genes, PNPLA3 and HSD17B13, and both HCAs significantly increased PLIN2. Exposure to MeIQx or PhIP also significantly increased expression of several key genes involved in lipid synthesis, transport and metabolism, including FASN, DGAT2, CPT1A, SCD, and CD36. Furthermore, both MeIQx and PhIP significantly increased intracellular cholesterol and decreased expression of PON1 which is involved in cholesterol efflux. Taken together, these results suggest that HCAs dysregulate lipid production, metabolism, and storage. The current study demonstrates, for the first time, that HCA exposure may lead to fat accumulation in hepatocytes, which may contribute to hepatic insulin resistance and MASH.
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Affiliation(s)
- Kennedy M Walls
- Department of Pharmacology and Toxicology and Brown Cancer Center, University of Louisville School of Medicine, Louisville, KY, 40202, USA
- Environmental Justice, Community Health and Environmental Review Division, US Environmental Protection Agency, Chicago, USA
| | - Jonathan Y Joh
- Department of Pharmacology and Toxicology and Brown Cancer Center, University of Louisville School of Medicine, Louisville, KY, 40202, USA
| | - Kyung U Hong
- Department of Pharmacology and Toxicology and Brown Cancer Center, University of Louisville School of Medicine, Louisville, KY, 40202, USA
- Department of Pharmaceutical and Administrative Sciences, Western New England University, Springfield, USA
| | - David W Hein
- Department of Pharmacology and Toxicology and Brown Cancer Center, University of Louisville School of Medicine, Louisville, KY, 40202, USA.
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2
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Dong L, Dong C, Yu Y, Jiao X, Zhang X, Zhang X, Li Z. Transcriptomic analysis of Paraoxonase 1 expression in hepatocellular carcinoma and its potential impact on tumor immunity. Clin Transl Oncol 2024:10.1007/s12094-024-03598-y. [PMID: 39031295 DOI: 10.1007/s12094-024-03598-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Accepted: 07/01/2024] [Indexed: 07/22/2024]
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is characterized by a complex pathogenesis that confers aggressive malignancy, leading to a lack of dependable biomarkers for predicting invasion and metastasis, which results in poor prognoses in patients with HCC. Glycogen storage disease (GSD) is an uncommon metabolic disorder marked by hepatomegaly and liver fibrosis. Notably, hepatic adenomas in GSD patients present a heightened risk of malignancy compared to those in individuals without the disorder. In this investigation, PON1 emerged as a potential pivotal gene for HCC through bioinformatics analysis. METHODS Transcriptomic profiling data of liver cancer were collected and integrated from TCGA and GEO databases. Bioinformatics analysis was conducted to identify mutated mRNAs associated with GSD, and the PON1 gene was selected as a key gene. Patients were grouped based on the expression levels of PON1, and differences in clinical characteristics, biological pathways, immune infiltration, and expression of immune checkpoints were compared. RESULTS The expression levels of the PON1 gene showed significant differences between the high-expression group and the low-expression group in HCC patients. Further analysis indicated that the PON1 gene at different expression levels might influence the clinical manifestations, biological processes, immune infiltration, and expression of immune checkpoints in HCC. Additionally, immunohistochemistry (IHC) results revealed high expression of PON1 in normal tissues and low expression in HCC tissues. These findings provide important clues and future research directions for the early diagnosis, prognosis, immunotherapy, and potential molecular interactions of HCC. CONCLUSION Our investigation underscores the noteworthy prognostic significance of PON1 in HCC, suggesting its potential pivotal role in modulating tumor progression and immune cell infiltration. These findings establish PON1 as a novel tumor biomarker with significant implications for the prognosis, targeted therapy, and immunotherapy of patients with HCC.
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Affiliation(s)
- Linhuan Dong
- Department of General surgery, Affiliated Renhe Hospital of China Three Gorges University, Yichang, 443000, China
| | - Changjun Dong
- Department of General surgery, Affiliated Renhe Hospital of China Three Gorges University, Yichang, 443000, China
| | - Yunlin Yu
- Department of General surgery, Affiliated Renhe Hospital of China Three Gorges University, Yichang, 443000, China
| | - Xin Jiao
- Department of General surgery, Affiliated Renhe Hospital of China Three Gorges University, Yichang, 443000, China
| | - Xiangwei Zhang
- Department of General surgery, Affiliated Renhe Hospital of China Three Gorges University, Yichang, 443000, China
| | - Xianlin Zhang
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, China Three Gorges University, Yichang, 443002, China.
| | - Zheng Li
- Department of General surgery, Affiliated Renhe Hospital of China Three Gorges University, Yichang, 443000, China.
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3
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Dornas W, Silva M. Modulation of the antioxidant enzyme paraoxonase-1 for protection against cardiovascular diseases. Nutr Metab Cardiovasc Dis 2024:S0939-4753(24)00154-6. [PMID: 39277536 DOI: 10.1016/j.numecd.2024.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 02/12/2024] [Accepted: 04/04/2024] [Indexed: 09/17/2024]
Abstract
AIM The enzyme paraoxonase 1 (PON1) bound to high-density lipoprotein has received special attention for its protective role against stress-mediated damage and use as a potential regulatory target in atherosclerosis and related vascular diseases. DATA SYNTHESIS We present an overview of the literature on PON1 activity and mRNA levels by investigating its modulation for clinical translations. Specifically, the expression of PON1 and its regulated activity can be modified in different ways with natural substances, drugs, and lifestyle factors thar affect the development of atherosclerosis. CONCLUSIONS The endothelial contribution of PON1 to overcome differences considering an individual's disease development risk is supported by polymorphism interaction data and the susceptibility to modify PON1 responses in chronic events composed by biological and environmental factors.
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Affiliation(s)
- Waleska Dornas
- Course Superior of Technology in Radiology, School of Medicine, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
| | - Maisa Silva
- Department of Basic Life Sciences, Universidade Federal de Juiz de Fora, Governador Valadares, MG, Brazil
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4
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Castañé H, Jiménez-Franco A, Martínez-Navidad C, Placed-Gallego C, Cambra-Cortés V, Perta AM, París M, del Castillo D, Arenas M, Camps J, Joven J. Serum Arylesterase, Paraoxonase, and Lactonase Activities and Paraoxonase-1 Concentrations in Morbidly Obese Patients and Their Relationship with Non-Alcoholic Steatohepatitis. Antioxidants (Basel) 2023; 12:2038. [PMID: 38136158 PMCID: PMC10741051 DOI: 10.3390/antiox12122038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/15/2023] [Accepted: 11/22/2023] [Indexed: 12/24/2023] Open
Abstract
Paraoxonase-1 (PON1) is an antioxidant enzyme associated with high-density lipoproteins (HDL). Reduced serum PON1 activity is found in diseases marked by oxidative stress and inflammation, but its role in obesity remains unclear. This study investigated PON1 activities and concentrations in morbidly obese individuals and explored the impacts of the genetic polymorphism PON1 rs662 and non-alcoholic fatty liver disease on enzymatic properties. We recruited 1349 morbidly obese patients undergoing bariatric surgery and 823 non-obese volunteers. PON1-related variables, including arylesterase, paraoxonase, and lactonase activities and PON1 concentrations, were examined. Our results showed that morbidly obese individuals exhibited higher PON1 concentrations but lower enzymatic activities than non-obese individuals. We observed inverse associations of arylesterase and paraoxonase activities with waist circumference (rho = -0.24, p < 0.001, and rho = -0.30, p < 0.001, respectively) and body mass index (rho = -0.15, p = 0.001, and rho = -0.23, p < 0.001), as well as direct associations of arylesterase, paraoxonase, and lactonase activities with HDL cholesterol (rho = 0.11, p = 0.005, rho = 0.20, p < 0.001, and rho = 0.20, p < 0.001). No significant differences were observed regarding metabolic syndrome, type 2 diabetes mellitus, hypertension, dyslipidemia, rs662 polymorphism allele frequencies, or the diagnosis of non-alcoholic steatohepatitis. Nevertheless, correlations were found between certain PON1-related variables, steatosis, and ballooning. In conclusion, changes in PON1-related variables in morbidly obese patients are dependent on the disease itself and HDL levels. The relationships between these variables and specific liver histological changes raise intriguing questions for consideration in future studies.
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Affiliation(s)
- Helena Castañé
- Unitat de Recerca Biomédica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Av. Dr. Josep Laporte 2, 43204 Reus, Spain; (H.C.); (A.J.-F.); (C.M.-N.); (C.P.-G.); (V.C.-C.); (A.-M.P.); (M.A.)
| | - Andrea Jiménez-Franco
- Unitat de Recerca Biomédica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Av. Dr. Josep Laporte 2, 43204 Reus, Spain; (H.C.); (A.J.-F.); (C.M.-N.); (C.P.-G.); (V.C.-C.); (A.-M.P.); (M.A.)
| | - Cristian Martínez-Navidad
- Unitat de Recerca Biomédica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Av. Dr. Josep Laporte 2, 43204 Reus, Spain; (H.C.); (A.J.-F.); (C.M.-N.); (C.P.-G.); (V.C.-C.); (A.-M.P.); (M.A.)
| | - Cristina Placed-Gallego
- Unitat de Recerca Biomédica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Av. Dr. Josep Laporte 2, 43204 Reus, Spain; (H.C.); (A.J.-F.); (C.M.-N.); (C.P.-G.); (V.C.-C.); (A.-M.P.); (M.A.)
| | - Vicente Cambra-Cortés
- Unitat de Recerca Biomédica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Av. Dr. Josep Laporte 2, 43204 Reus, Spain; (H.C.); (A.J.-F.); (C.M.-N.); (C.P.-G.); (V.C.-C.); (A.-M.P.); (M.A.)
| | - Adelina-Miruna Perta
- Unitat de Recerca Biomédica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Av. Dr. Josep Laporte 2, 43204 Reus, Spain; (H.C.); (A.J.-F.); (C.M.-N.); (C.P.-G.); (V.C.-C.); (A.-M.P.); (M.A.)
| | - Marta París
- Department of Bariatric Surgery, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Av. Dr. Josep Laporte 2, 43204 Reus, Spain; (M.P.); (D.d.C.)
| | - Daniel del Castillo
- Department of Bariatric Surgery, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Av. Dr. Josep Laporte 2, 43204 Reus, Spain; (M.P.); (D.d.C.)
| | - Meritxell Arenas
- Unitat de Recerca Biomédica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Av. Dr. Josep Laporte 2, 43204 Reus, Spain; (H.C.); (A.J.-F.); (C.M.-N.); (C.P.-G.); (V.C.-C.); (A.-M.P.); (M.A.)
- Department of Radiation Oncology, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Av. Dr. Josep Laporte 2, 43204 Reus, Spain
| | - Jordi Camps
- Unitat de Recerca Biomédica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Av. Dr. Josep Laporte 2, 43204 Reus, Spain; (H.C.); (A.J.-F.); (C.M.-N.); (C.P.-G.); (V.C.-C.); (A.-M.P.); (M.A.)
| | - Jorge Joven
- Unitat de Recerca Biomédica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Av. Dr. Josep Laporte 2, 43204 Reus, Spain; (H.C.); (A.J.-F.); (C.M.-N.); (C.P.-G.); (V.C.-C.); (A.-M.P.); (M.A.)
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Winans T, Oaks Z, Choudhary G, Patel A, Huang N, Faludi T, Krakko D, Nolan J, Lewis J, Blair S, Lai Z, Landas SK, Middleton F, Asara JM, Chung SK, Wyman B, Azadi P, Banki K, Perl A. mTOR-dependent loss of PON1 secretion and antiphospholipid autoantibody production underlie autoimmunity-mediated cirrhosis in transaldolase deficiency. J Autoimmun 2023; 140:103112. [PMID: 37742509 PMCID: PMC10957505 DOI: 10.1016/j.jaut.2023.103112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/31/2023] [Accepted: 09/05/2023] [Indexed: 09/26/2023]
Abstract
Transaldolase deficiency predisposes to chronic liver disease progressing from cirrhosis to hepatocellular carcinoma (HCC). Transition from cirrhosis to hepatocarcinogenesis depends on mitochondrial oxidative stress, as controlled by cytosolic aldose metabolism through the pentose phosphate pathway (PPP). Progression to HCC is critically dependent on NADPH depletion and polyol buildup by aldose reductase (AR), while this enzyme protects from carbon trapping in the PPP and growth restriction in TAL deficiency. Although AR inactivation blocked susceptibility to hepatocarcinogenesis, it enhanced growth restriction, carbon trapping in the non-oxidative branch of the PPP and failed to reverse the depletion of glucose 6-phosphate (G6P) and liver cirrhosis. Here, we show that inactivation of the TAL-AR axis results in metabolic stress characterized by reduced mitophagy, enhanced overall autophagy, activation of the mechanistic target of rapamycin (mTOR), diminished glycosylation and secretion of paraoxonase 1 (PON1), production of antiphospholipid autoantibodies (aPL), loss of CD161+ NK cells, and expansion of CD38+ Ito cells, which are responsive to treatment with rapamycin in vivo. The present study thus identifies glycosylation and secretion of PON1 and aPL production as mTOR-dependent regulatory checkpoints of autoimmunity underlying liver cirrhosis in TAL deficiency.
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Affiliation(s)
- T Winans
- Departments of Medicine, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA; Departments of Biochemistry and Molecular Biology, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - Z Oaks
- Departments of Medicine, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA; Departments of Biochemistry and Molecular Biology, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - G Choudhary
- Departments of Medicine, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA; Departments of Biochemistry and Molecular Biology, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - A Patel
- Departments of Medicine, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA; Departments of Biochemistry and Molecular Biology, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - N Huang
- Departments of Medicine, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA; Departments of Biochemistry and Molecular Biology, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - T Faludi
- Departments of Medicine, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - D Krakko
- Departments of Medicine, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - J Nolan
- Departments of Medicine, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - J Lewis
- Departments of Medicine, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - Sarah Blair
- Departments of Medicine, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - Z Lai
- Departments of Medicine, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - S K Landas
- Departments of Pathology, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - F Middleton
- Departments of Neuroscience, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - J M Asara
- Division of Signal Transduction, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - S K Chung
- Faculty of Medicine, Macau University of Science and Technology, Taipa, Macau
| | - B Wyman
- Departments of Medicine, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA; Departments of Biochemistry and Molecular Biology, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - P Azadi
- University of Georgia, Athens, GA 30602, USA
| | - K Banki
- Departments of Pathology, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA
| | - A Perl
- Departments of Medicine, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA; Departments of Microbiology and Immunology, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA; Departments of Biochemistry and Molecular Biology, State University of New York, Norton College of Medicine, Syracuse, NY, 13210, USA.
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6
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Salari N, Kazeminia M, Mansouri K, Hosseinian-Far A, Mohammadi M. The Activity and Polymorphism of the PON1 in Patients with Chronic Liver Disease: a Systematic Review and Meta-analysis. J Gastrointest Cancer 2021; 53:745-755. [PMID: 34467517 DOI: 10.1007/s12029-021-00699-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/20/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Liver diseases are among the ten deadliest diseases in the world. Measuring PON1 is a test to assess the degree of liver disorder. There are several preliminary studies on the rate of PON1 activity in people with liver disease, and there are differences between the results of these studies; therefore, the aim of this research work is to determine the level of PON1 activity in people with liver disease using meta-analysis. METHOD The study searched to select articles that were published electronically from 2002 to 2020, in national and international databases of SID, MagIran, Embase, ScienceDirect, Scopus, PubMed, and Web of Science (WoS). RESULTS Among the articles included in the meta-analysis, the samples in the case (patients) and control groups were 807 and 2276, respectively. The mean activity of PON1 in individuals with liver disease in the case and control groups were 142.06 ± 7.7 and 272.19 ± 39.6, respectively, and this was statistically significant (P < 0.05). The mean difference analysis highlights a difference of - 2.75 ± 0.48 between the patient and control groups, indicating that liver disease significantly reduces PON1 activity. CONCLUSION The results of this study demonstrate that the polynomorphism of the PON1 is associated with an increased risk of liver disease, with lower levels of PON1 activity in people with liver disease than in healthy patients and this decrease was more in patients with liver cirrhosis than in other liver diseases. Given the importance of this gene's activity, studies such as this could provide a promising path for better drug design and treatment in future.
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Affiliation(s)
- Nader Salari
- Department of Biostatistics, School of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohsen Kazeminia
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Kamran Mansouri
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Amin Hosseinian-Far
- Department of Business Systems & Operations, University of Northampton, Northampton, UK
| | - Masoud Mohammadi
- Department of Nursing, School of Nursing and Midwifery, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Rodríguez-Tomàs E, Iftimie S, Castañé H, Baiges-Gaya G, Hernández-Aguilera A, González-Viñas M, Castro A, Camps J, Joven J. Clinical Performance of Paraoxonase-1-Related Variables and Novel Markers of Inflammation in Coronavirus Disease-19. A Machine Learning Approach. Antioxidants (Basel) 2021; 10:antiox10060991. [PMID: 34205807 PMCID: PMC8234277 DOI: 10.3390/antiox10060991] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 06/17/2021] [Accepted: 06/17/2021] [Indexed: 12/19/2022] Open
Abstract
SARS-CoV-2 infection produces a response of the innate immune system causing oxidative stress and a strong inflammatory reaction termed ‘cytokine storm’ that is one of the leading causes of death. Paraoxonase-1 (PON1) protects against oxidative stress by hydrolyzing lipoperoxides. Alterations in PON1 activity have been associated with pro-inflammatory mediators such as the chemokine (C-C motif) ligand 2 (CCL2), and the glycoprotein galectin-3. We aimed to investigate the alterations in the circulating levels of PON1, CCL2, and galectin-3 in 126 patients with COVID-19 and their interactions with clinical variables and analytical parameters. A machine learning approach was used to identify predictive markers of the disease. For comparisons, we recruited 45 COVID-19 negative patients and 50 healthy individuals. Our approach identified a synergy between oxidative stress, inflammation, and fibrogenesis in positive patients that is not observed in negative patients. PON1 activity was the parameter with the greatest power to discriminate between patients who were either positive or negative for COVID-19, while their levels of CCL2 and galectin-3 were similar. We suggest that the measurement of serum PON1 activity may be a useful marker for the diagnosis of COVID-19.
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Affiliation(s)
- Elisabet Rodríguez-Tomàs
- Unitat de Recerca Biomèdica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, 43201 Reus, Spain; (E.R.-T.); (H.C.); (G.B.-G.); (A.H.-A.); (J.J.)
| | - Simona Iftimie
- Department of Internal Medicine, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, 43201 Reus, Spain; (S.I.); (M.G.-V.); (A.C.)
| | - Helena Castañé
- Unitat de Recerca Biomèdica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, 43201 Reus, Spain; (E.R.-T.); (H.C.); (G.B.-G.); (A.H.-A.); (J.J.)
| | - Gerard Baiges-Gaya
- Unitat de Recerca Biomèdica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, 43201 Reus, Spain; (E.R.-T.); (H.C.); (G.B.-G.); (A.H.-A.); (J.J.)
| | - Anna Hernández-Aguilera
- Unitat de Recerca Biomèdica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, 43201 Reus, Spain; (E.R.-T.); (H.C.); (G.B.-G.); (A.H.-A.); (J.J.)
| | - María González-Viñas
- Department of Internal Medicine, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, 43201 Reus, Spain; (S.I.); (M.G.-V.); (A.C.)
| | - Antoni Castro
- Department of Internal Medicine, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, 43201 Reus, Spain; (S.I.); (M.G.-V.); (A.C.)
| | - Jordi Camps
- Unitat de Recerca Biomèdica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, 43201 Reus, Spain; (E.R.-T.); (H.C.); (G.B.-G.); (A.H.-A.); (J.J.)
- Correspondence: ; Tel.: +34-977-310-300
| | - Jorge Joven
- Unitat de Recerca Biomèdica, Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, 43201 Reus, Spain; (E.R.-T.); (H.C.); (G.B.-G.); (A.H.-A.); (J.J.)
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8
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Milaciu MV, Ciumărnean L, Matei DM, Vesa ȘC, Sabin O, Bocșan IC, Pop RM, Negrean V, Buzoianu AD, Acalovschi M. Cytokines, paraoxonase-1, periostin and non-invasive liver fibrosis scores in patients with non-alcoholic fatty liver disease and persistently elevated aminotransferases: A pilot study. Exp Ther Med 2021; 21:533. [PMID: 33815606 PMCID: PMC8014973 DOI: 10.3892/etm.2021.9965] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 11/25/2020] [Indexed: 12/11/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the most common liver disease worldwide. The aim of this study was to evaluate the possible association between paraoxonase-1 (PON1), periostin (POSTN), tumor necrosis factor (TNF)-α, interleukin (IL)-6, IL-10 serum concentration with non-invasive liver fibrosis scores, in a cohort of patients with NAFLD. We studied a cohort of 52 patients diagnosed with NAFLD. The NAFLD fibrosis score (NFS), Fibrosis-4 Index (FIB-4), AST to platelet ratio index (APRI) and BARD scores were calculated for each patient. We determined the PON1, POSTN, TNF-α, IL-6, and IL-10 serum values using ELISA kits. There was no correlation between PON1 or POSTN serum levels and non-invasive liver fibrosis. The TNF-α serum values were independently associated with the liver fibrosis scores (P=0.02 for NFS and P=0.002 for FIB-4). Age and metabolic syndrome were also independently linked to the fibrosis scores. In conclusion, serum levels of TNF-α, age and metabolic syndrome were associated with the non-invasive liver fibrosis scores.
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Affiliation(s)
- Mircea Vasile Milaciu
- Department 5-Internal Medicine, 4th Medical Clinic, Faculty of Medicine, ‘Iuliu Haţieganu’ University of Medicine and Pharmacy, 400015 Cluj-Napoca, Romania
| | - Lorena Ciumărnean
- Department 5-Internal Medicine, 4th Medical Clinic, Faculty of Medicine, ‘Iuliu Haţieganu’ University of Medicine and Pharmacy, 400015 Cluj-Napoca, Romania
| | - Daniela Maria Matei
- Department 5-Internal Medicine, 3rd Medical Clinic, Faculty of Medicine, ‘Iuliu Haţieganu’ University of Medicine and Pharmacy, 400162 Cluj-Napoca, Romania
| | - Ștefan Cristian Vesa
- Department 2-Functional Sciences, Discipline of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, ‘Iuliu Haţieganu’ University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania
| | - Octavia Sabin
- Department 2-Functional Sciences, Discipline of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, ‘Iuliu Haţieganu’ University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania
| | - Ioana Corina Bocșan
- Department 2-Functional Sciences, Discipline of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, ‘Iuliu Haţieganu’ University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania
| | - Raluca Maria Pop
- Department 2-Functional Sciences, Discipline of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, ‘Iuliu Haţieganu’ University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania
| | - Vasile Negrean
- Department 5-Internal Medicine, 4th Medical Clinic, Faculty of Medicine, ‘Iuliu Haţieganu’ University of Medicine and Pharmacy, 400015 Cluj-Napoca, Romania
| | - Anca Dana Buzoianu
- Department 5-Internal Medicine, 3rd Medical Clinic, Faculty of Medicine, ‘Iuliu Haţieganu’ University of Medicine and Pharmacy, 400162 Cluj-Napoca, Romania
| | - Monica Acalovschi
- Doctoral School, ‘Iuliu Haţieganu’ University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
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Rodríguez-Tomàs E, Arenas M, Gómez J, Acosta J, Trilla J, López Y, Árquez M, Torres L, Araguas P, Hernández-Aguilera A, Baiges-Gaya G, Castañé H, Camps J, Joven J. Identification of potential metabolic biomarkers of rectal cancer and of the effect of neoadjuvant radiochemotherapy. PLoS One 2021; 16:e0250453. [PMID: 33886674 PMCID: PMC8062076 DOI: 10.1371/journal.pone.0250453] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 04/07/2021] [Indexed: 12/16/2022] Open
Abstract
We report a pilot study on the feasibility of determinations of circulating levels of paraoxonase-1 (PON1) and compounds related to energy metabolism as biomarkers for the evaluation of patients with rectal cancer (RC), and the effects produced by neoadjuvant radiochemotherapy (NRCT). We studied 32 patients treated with radiotherapy plus capecitabine concomitant chemotherapy and 48 control subjects. We identified pre-NRCT PON1 and α-ketoglutarate as the parameters that best discriminated between RC patients and the control group. Receiver operating characteristics analysis of the combination of the two parameters showed an area under the curve (AUC) of 0.918. Moreover, patients who presented a pathological complete response (pCR) to treatment had lower plasma pre-NRCT valine concentrations (AUC of 0.826). Patients who had a relapse had lower concentrations of succinate (AUC of 0.833). The results of the present study illustrate the usefulness of investigating alterations in oxidative stress and metabolism in RC. Due to the small number of patients studied, our results must be considered preliminary, but they suggest that the determination of circulating levels of PON1 and α-ketoglutarate might be a valuable tool for the early diagnosis of RC, while the determination of valine and succinate might effectively predict pCR and the appearance of relapse.
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Affiliation(s)
- Elisabet Rodríguez-Tomàs
- Unitat de Recerca Biomèdica, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
| | - Meritxell Arenas
- Department of Radiation Oncology, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
- * E-mail: (MA); (JC)
| | - Junior Gómez
- Department of Radiation Oncology, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
| | - Johana Acosta
- Department of Radiation Oncology, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
| | - Jordi Trilla
- Department of Radiation Oncology, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
| | - Yolanda López
- Department of Radiation Oncology, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
| | - Miguel Árquez
- Department of Radiation Oncology, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
| | - Laura Torres
- Department of Radiation Oncology, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
| | - Pablo Araguas
- Department of Radiation Oncology, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
| | - Anna Hernández-Aguilera
- Unitat de Recerca Biomèdica, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
- Department of Pathology, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
| | - Gerard Baiges-Gaya
- Unitat de Recerca Biomèdica, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
| | - Helena Castañé
- Unitat de Recerca Biomèdica, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
| | - Jordi Camps
- Unitat de Recerca Biomèdica, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
- * E-mail: (MA); (JC)
| | - Jorge Joven
- Unitat de Recerca Biomèdica, Institut d’Investigació Sanitària Pere Virgili, Hospital Universitari de Sant Joan, Universitat Rovira i Virgili, Reus, Spain
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10
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Marsillach J, Adorni MP, Zimetti F, Papotti B, Zuliani G, Cervellati C. HDL Proteome and Alzheimer's Disease: Evidence of a Link. Antioxidants (Basel) 2020; 9:E1224. [PMID: 33287338 PMCID: PMC7761753 DOI: 10.3390/antiox9121224] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/25/2020] [Accepted: 11/30/2020] [Indexed: 12/16/2022] Open
Abstract
Several lines of epidemiological evidence link increased levels of high-density lipoprotein-cholesterol (HDL-C) with lower risk of Alzheimer's disease (AD). This observed relationship might reflect the beneficial effects of HDL on the cardiovascular system, likely due to the implication of vascular dysregulation in AD development. The atheroprotective properties of this lipoprotein are mostly due to its proteome. In particular, apolipoprotein (Apo) A-I, E, and J and the antioxidant accessory protein paraoxonase 1 (PON1), are the main determinants of the biological function of HDL. Intriguingly, these HDL constituent proteins are also present in the brain, either from in situ expression, or derived from the periphery. Growing preclinical evidence suggests that these HDL proteins may prevent the aberrant changes in the brain that characterize AD pathogenesis. In the present review, we summarize and critically examine the current state of knowledge on the role of these atheroprotective HDL-associated proteins in AD pathogenesis and physiopathology.
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Affiliation(s)
- Judit Marsillach
- Department of Environmental & Occupational Health Sciences, University of Washington, Seattle, WA 98195, USA;
| | - Maria Pia Adorni
- Unit of Neurosciences, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy;
| | - Francesca Zimetti
- Department of Food and Drug, University of Parma, 43124 Parma, Italy;
| | - Bianca Papotti
- Department of Food and Drug, University of Parma, 43124 Parma, Italy;
| | - Giovanni Zuliani
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44121 Ferrara, Italy; (G.Z.); (C.C.)
| | - Carlo Cervellati
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44121 Ferrara, Italy; (G.Z.); (C.C.)
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11
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Milaciu MV, Vesa ȘC, Bocșan IC, Ciumărnean L, Sâmpelean D, Negrean V, Pop RM, Matei DM, Pașca S, Răchișan AL, Buzoianu AD, Acalovschi M. Paraoxonase-1 Serum Concentration and PON1 Gene Polymorphisms: Relationship with Non-Alcoholic Fatty Liver Disease. J Clin Med 2019; 8:jcm8122200. [PMID: 31847187 PMCID: PMC6947206 DOI: 10.3390/jcm8122200] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/08/2019] [Accepted: 12/11/2019] [Indexed: 12/13/2022] Open
Abstract
Background: Non-alcoholic fatty liver disease (NAFLD) is an important cause of chronic liver diseases around the world. Paraoxonase-1 (PON1) is an enzyme produced by the liver with an important antioxidant role. The aim of this study was to evaluate PON1 serum concentration and PON1 gene polymorphisms in patients with NAFLD. Materials and methods: We studied a group of 81 patients with NAFLD with persistently elevated aminotransferases and a control group of 81 patients without liver diseases. We collected clinical information and performed routine blood tests. We also measured the serum concentration of PON1 and evaluated the PON1 gene polymorphisms L55M, Q192R, and C-108T. Results: There was a significant difference (p < 0.001) in serum PON1 concentrations among the two groups. The heterozygous and the mutated homozygous variants (LM + MM) of the L55M polymorphism were more frequent in the NAFLD group (p < 0.001). These genotypes were found in a multivariate binary logistic regression to be independently linked to NAFLD (Odds ratio = 3.4; p = 0.04). In a multivariate linear regression model, the presence of NAFLD was associated with low PON1 concentration (p < 0.001). Conclusions: PON1 serum concentrations were diminished in patients with NAFLD, and the presence of NAFLD was linked with low PON1 concentration. The LM + MM genotypes of the PON1 L55M polymorphism were an independent predictor for NAFLD with persistently elevated aminotransferases.
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Affiliation(s)
- Mircea Vasile Milaciu
- Department 5—Internal Medicine, 4th Medical Clinic, Faculty of Medicine, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400015 Cluj-Napoca, Romania; (M.V.M.); (D.S.); (V.N.)
| | - Ștefan Cristian Vesa
- Department 2—Functional Sciences, Discipline of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania; (Ș.C.V.); (I.C.B.); (R.M.P.); (A.D.B.)
| | - Ioana Corina Bocșan
- Department 2—Functional Sciences, Discipline of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania; (Ș.C.V.); (I.C.B.); (R.M.P.); (A.D.B.)
| | - Lorena Ciumărnean
- Department 5—Internal Medicine, 4th Medical Clinic, Faculty of Medicine, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400015 Cluj-Napoca, Romania; (M.V.M.); (D.S.); (V.N.)
- Correspondence:
| | - Dorel Sâmpelean
- Department 5—Internal Medicine, 4th Medical Clinic, Faculty of Medicine, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400015 Cluj-Napoca, Romania; (M.V.M.); (D.S.); (V.N.)
| | - Vasile Negrean
- Department 5—Internal Medicine, 4th Medical Clinic, Faculty of Medicine, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400015 Cluj-Napoca, Romania; (M.V.M.); (D.S.); (V.N.)
| | - Raluca Maria Pop
- Department 2—Functional Sciences, Discipline of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania; (Ș.C.V.); (I.C.B.); (R.M.P.); (A.D.B.)
| | - Daniela Maria Matei
- Department 5—Internal Medicine, 3rd Medical Clinic, Faculty of Medicine, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400162 Cluj-Napoca, Romania;
| | - Sergiu Pașca
- Faculty of Medicine, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania;
| | - Andreea Liana Răchișan
- Department of Pediatrics, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400177 Cluj-Napoca, Romania;
| | - Anca Dana Buzoianu
- Department 2—Functional Sciences, Discipline of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania; (Ș.C.V.); (I.C.B.); (R.M.P.); (A.D.B.)
| | - Monica Acalovschi
- Doctoral School, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania;
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12
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Serum choline and butyrylcholinesterase changes in response to endotoxin in calves receiving intravenous choline administration. Res Vet Sci 2019; 125:290-297. [PMID: 31349186 DOI: 10.1016/j.rvsc.2019.07.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 06/20/2019] [Accepted: 07/09/2019] [Indexed: 11/22/2022]
Abstract
Endotoxemia treatment options are still of interest due to high mortality and choline treatment is one of them because of its role in the cholinergic anti-inflammatory pathway. This study investigated serum choline and butyrylcholinesterase (BChE) responses, and their correlations with inflammatory, oxidative stress and tissue damage biomarkers, including paraoxanase-1 (PON1), and clinical signs in calves with endotoxemia and the effect of choline treatment in these responses. Healthy calves (n = 20) were divided equally into 4 groups: Control (0.9% NaCl, iv), Choline (C; 1 mg/kg/iv,once), Lipopolysaccharide (LPS; 2 μg/kg/iv,once) and LPS + C. Clinical and laboratory examinations were performed before and 0.5-48 h (hrs) after treatments. Following LPS administration, serum choline level increased at 0.5-24 h (P < .01), whereas serum BChE and PON1 level decreased at 48 h (P < .01) compared to their baselines. In LPS + C group, the increase in serum choline level was significantly higher (P < .01) than that of C and LPS groups. LPS did not decrease serum BChE levels significantly in calves treated with choline. Serum choline and BChE results correlated negatively with white blood cell count and positively (P < .001) with PON1 levels, oxidative stress index, inflammation and hepato-muscular injury markers. In conclusion serum choline and BChE may have a role in the pathophysiology of endotoxemia in calves. High serum choline concentration is associated with an improvement in response to LPS administration in calves treated with choline, probably by preventing the imbalances between oxidative stress and anti-oxidant capacity, preventing the serum BChE and PON1 decreases, and inhibition/attenuation of acute phase reaction and hepato-muscular injury in calves with endotoxemia.
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13
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Iftimie S, García-Heredia A, Pujol-Bosch F, Pont-Salvadó A, López-Azcona AF, Hernández-Aguilera A, Cabré N, Luciano-Mateo F, Fort-Gallifa I, Castro A, Camps J, Joven J. Serum Paraoxonase-1 Concentration as a Potential Predictor of Urinary Bladder Cancer Recurrence. A Five Year Follow-Up Study. Arch Med Res 2018; 49:119-122. [PMID: 29699809 DOI: 10.1016/j.arcmed.2018.04.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 04/13/2018] [Indexed: 02/08/2023]
Abstract
This study provides preliminary information on the usefulness of measuring serum paraoxonase-1 (PON1) concentration and activity (and other inflammatory markers) to predict tumor recurrence in patients with urinary bladder cancer. We studied a total of 39 hospitalized patients in whom the diagnosis of urinary bladder cancer was confirmed by transurethral resection. After five years of follow-up, 29 patients presented with tumor recurrence. As control subjects, we also studied 61 healthy subjects and a further 132 hospitalized patients who had a urinary catheter-related infection due to causes other than cancer. Results showed that urinary bladder patients had lower serum PON1 concentration and activity, and higher chemokine (C-C motif) ligand 2, C-reactive protein, and procalcitonin concentrations than the control individuals. Patients with tumor recurrence had significantly lower serum PON1 concentration than patients without tumor recurrence. The mean area under the curve of the receiver operating characteristics plot for serum PON1 concentration in discriminating patients with and those without tumor recurrence was 0.755 and the best combination of sensitivity and specificity was obtained at PON1 = 100 mg/L (0.72 and 0.80, respectively). Establishing this value as a cut-off, positive predictive value was = 0.91, and negative predictive value was = 0.50. These results suggest that the measurement of serum PON1 concentration may be a high-sensitivity marker of tumor recurrence in urinary bladder cancer patients.
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Affiliation(s)
- Simona Iftimie
- Department of Internal Medicine, Hospital Universitari de Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Catalonia, Spain
| | - Anabel García-Heredia
- Biomedical Research Unit, Hospital Universitari de Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Catalonia, Spain
| | - Francesc Pujol-Bosch
- Department of Urology, Hospital Universitari de Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Catalonia, Spain
| | - Antoni Pont-Salvadó
- Department of Urology, Hospital Universitari de Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Catalonia, Spain
| | - Ana Felisa López-Azcona
- Department of Internal Medicine, Hospital Universitari de Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Catalonia, Spain
| | - Anna Hernández-Aguilera
- Biomedical Research Unit, Hospital Universitari de Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Catalonia, Spain
| | - Noemí Cabré
- Biomedical Research Unit, Hospital Universitari de Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Catalonia, Spain
| | - Fedra Luciano-Mateo
- Biomedical Research Unit, Hospital Universitari de Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Catalonia, Spain
| | - Isabel Fort-Gallifa
- Biomedical Research Unit, Hospital Universitari de Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Catalonia, Spain
| | - Antoni Castro
- Department of Internal Medicine, Hospital Universitari de Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Catalonia, Spain
| | - Jordi Camps
- Biomedical Research Unit, Hospital Universitari de Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Catalonia, Spain.
| | - Jorge Joven
- Biomedical Research Unit, Hospital Universitari de Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Catalonia, Spain
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14
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Lebda MA, Sadek KM, Abouzed TK, Tohamy HG, El-Sayed YS. Melatonin mitigates thioacetamide-induced hepatic fibrosis via antioxidant activity and modulation of proinflammatory cytokines and fibrogenic genes. Life Sci 2017; 192:136-143. [PMID: 29180002 DOI: 10.1016/j.lfs.2017.11.036] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Revised: 11/18/2017] [Accepted: 11/23/2017] [Indexed: 12/11/2022]
Abstract
AIMS The potential antifibrotic effects of melatonin against induced hepatic fibrosis were explored. MAIN METHODS Rats were allocated into four groups: placebo; thioacetamide (TAA) (200mg/kg bwt, i.p twice weekly for two months); melatonin (5mg/kgbwt, i.p daily for a week before TAA and continued for an additional two months); and melatonin plus TAA. Hepatic fibrotic changes were evaluated biochemically and histopathologically. Hepatic oxidative/antioxidative indices were assessed. The expression of hepatic proinflammatory cytokines (tumor necrosis factor-α, and interleukin-1β), fibrogenic-related genes (transforming growth factor-1β, collagen I, collagen, III, laminin, and autotaxin) and an antioxidant-related gene (thioredoxin-1) were detected by qRT-PCR. KEY FINDINGS In fibrotic rats, melatonin lowered serum aspartate aminotransferase, alanine aminotransferase, and autotaxin activities, bilirubin, hepatic hydroxyproline and plasma ammonia levels. Melatonin displayed hepatoprotective and antifibrotic potential as indicated by mild hydropic degeneration of some hepatocytes and mild fibroplasia. In addition, TAA induced the depletion of glutathione, glutathione s-transferase, glutathione peroxidase, superoxide dismutase, catalase, and paraoxonase-1 (PON-1), while inducing the accumulation of malondialdehyde, protein carbonyl (C=O) and nitric oxide (NO), and DNA fragmentation. These effects were restored by melatonin pretreatment. Furthermore, melatonin markedly attenuated the expression of proinflammatory cytokines and fibrogenic genes via the upregulation of thioredoxin-1 mRNA transcripts. SIGNIFICANCE Melatonin exhibits potent anti-inflammatory, antioxidant and fibrosuppressive activities against TAA-induced hepatic fibrogenesis via the suppression of oxidative stress, DNA damage, proinflammatory cytokines and fibrogenic gene transcripts. In addition, we demonstrate that the antifibrotic activity of melatonin is mediated by the induction of thioredoxin-1 with attenuation of autotaxin expressions.
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Affiliation(s)
- Mohamed A Lebda
- Department of Biochemistry, Faculty of Veterinary Medicine, Alexandria University, Egypt.
| | - Kadry M Sadek
- Department of Biochemistry, Faculty of Veterinary Medicine, Damanhur University, Egypt
| | - Tarek K Abouzed
- Department of Biochemistry, Faculty of Veterinary Medicine, Kafr Elsheikh University, Egypt
| | - Hossam G Tohamy
- Department of Pathology, Faculty of Veterinary Medicine, Alexandria University, Egypt
| | - Yasser S El-Sayed
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Damanhur University, Egypt.
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15
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Meijide S, Pérez-Ruiz I, Hernández ML, Navarro R, Ferrando M, Larreategui Z, Ruiz-Sanz JI, Ruiz-Larrea MB. Paraoxonase activities in human follicular fluid: role in follicular maturation. Reprod Biomed Online 2017; 35:351-362. [PMID: 28688923 DOI: 10.1016/j.rbmo.2017.06.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 05/31/2017] [Accepted: 06/08/2017] [Indexed: 12/30/2022]
Abstract
The paraoxonases (PONs) are antioxidant enzymes associated with beneficial effects against several diseases and some exposures. Little is known, however, about the role of PONs in human reproduction. This work was conducted to investigate whether any association existed between the activities of the PON enzymes (1, 2, and 3) with the follicular size and fertility parameters in assisted reproduction. The study included 100 subfertile women (patients) and 55 proven fertile women (oocyte donors), all undergoing an ovarian stimulation cycle. Follicular fluid from small (diameter <12 mm) and large (diameter ≥18 mm) follicles was collected from each woman. The PONs were quantified in follicular fluid by immunoblotting. PON1 arylesterase and paraoxonase, PON2 methyl paraoxonase and PON3 simvastatinase activities from both donors and patients were significantly higher (P < 0.001) in follicular fluid from large follicles compared with small ones. In large follicles, PON3 activity was significantly higher (P < 0.01) in donors compared with patients. Follicular fluid PON1 arylesterase and paraoxonase activity was positively correlated with the number of retrieved oocytes in donors. This study shows an increase in the activities of PONs with follicle size, thus providing indirect evidence for the role of PONs in follicle maturation.
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Affiliation(s)
- Susana Meijide
- Department of Physiology, Medicine and Nursing School, University of the Basque Country UPV/EHU, 48940 Leioa, Spain
| | - Irantzu Pérez-Ruiz
- Department of Physiology, Medicine and Nursing School, University of the Basque Country UPV/EHU, 48940 Leioa, Spain
| | - M Luisa Hernández
- Department of Physiology, Medicine and Nursing School, University of the Basque Country UPV/EHU, 48940 Leioa, Spain; BioCruces Health Research Institute, Plaza de Cruces s/n, 48903 Barakaldo, Spain
| | - Rosaura Navarro
- Department of Physiology, Medicine and Nursing School, University of the Basque Country UPV/EHU, 48940 Leioa, Spain; BioCruces Health Research Institute, Plaza de Cruces s/n, 48903 Barakaldo, Spain
| | - Marcos Ferrando
- Valencian Institute of Infertility (IVI)-Bilbao, 48940 Leioa, Spain
| | | | - José-Ignacio Ruiz-Sanz
- Department of Physiology, Medicine and Nursing School, University of the Basque Country UPV/EHU, 48940 Leioa, Spain; BioCruces Health Research Institute, Plaza de Cruces s/n, 48903 Barakaldo, Spain.
| | - M Begoña Ruiz-Larrea
- Department of Physiology, Medicine and Nursing School, University of the Basque Country UPV/EHU, 48940 Leioa, Spain; BioCruces Health Research Institute, Plaza de Cruces s/n, 48903 Barakaldo, Spain.
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Boyce G, Button E, Soo S, Wellington C. The pleiotropic vasoprotective functions of high density lipoproteins (HDL). J Biomed Res 2017; 32:164. [PMID: 28550271 PMCID: PMC6265396 DOI: 10.7555/jbr.31.20160103] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Accepted: 12/23/2016] [Indexed: 12/19/2022] Open
Abstract
The pleiotropic functions of circulating high density lipoprotein (HDL) on peripheral vascular health are well established. HDL plays a pivotal role in reverse cholesterol transport and is also known to suppress inflammation, endothelial activation and apoptosis in peripheral vessels. Although not expressed in the central nervous system, HDL has nevertheless emerged as a potential resilience factor for dementia in multiple epidemiological studies. Animal model data specifically support a role for HDL in attenuating the accumulation of β-amyloid within cerebral vessels concomitant with reduced neuroinflammation and improved cognitive performance. As the vascular contributions to dementia are increasingly appreciated, this review seeks to summarize recent literature focused on the vasoprotective properties of HDL that may extend to cerebral vessels, discuss potential roles of HDL in dementia relative to brain-derived lipoproteins, identify gaps in current knowledge, and highlight new opportunities for research and discovery.
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Affiliation(s)
- Guilaine Boyce
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Emily Button
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Sonja Soo
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Cheryl Wellington
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
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17
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Afolabi OK, Wusu AD, Ogunrinola OO, Abam EO, Babayemi DO, Dosumu OA, Onunkwor OB, Balogun EA, Odukoya OO, Ademuyiwa O. Paraoxonase 1 activity in subchronic low-level inorganic arsenic exposure through drinking water. ENVIRONMENTAL TOXICOLOGY 2016; 31:154-162. [PMID: 25082665 DOI: 10.1002/tox.22030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Revised: 07/12/2014] [Accepted: 07/13/2014] [Indexed: 06/03/2023]
Abstract
Epidemiological evidences indicate close association between inorganic arsenic exposure via drinking water and cardiovascular diseases. While the exact mechanism of this arsenic-mediated increase in cardiovascular risk factors remains enigmatic, epidemiological studies indicate a role for paraoxonase 1 (PON1) in cardiovascular diseases. To investigate the association between inorganic arsenic exposure and cardiovascular diseases, rats were exposed to sodium arsenite (trivalent; 50, 100, and 150 ppm As) and sodium arsenate (pentavalent; 100, 150, and 200 ppm As) in their drinking water for 12 weeks. PON1 activity towards paraoxon (PONase) and phenylacetate (AREase) in plasma, lipoproteins, hepatic, and brain microsomal fractions were determined. Inhibition of PONase and AREase in plasma and HDL characterized the effects of the two arsenicals. While the trivalent arsenite inhibited PONase by 33% (plasma) and 46% (HDL), respectively, the pentavalent arsenate inhibited the enzyme by 41 and 34%, respectively. AREase activity was inhibited by 52 and 48% by arsenite, whereas the inhibition amounted to 72 and 67%, respectively by arsenate. The pattern of inhibition in plasma and HDL indicates that arsenite induced a dose-dependent inhibition of PONase whereas arsenate induced a dose-dependent inhibition of AREase. In the VLDL + LDL, arsenate inhibited PONase and AREase while arsenite inhibited PONase. In the hepatic and brain microsomal fractions, only the PONase enzyme was inhibited by the two arsenicals. The inhibition was more pronounced in the hepatic microsomes where a 70% inhibition was observed at the highest dose of pentavalent arsenic. Microsomal cholesterol was increased by the two arsenicals resulting in increased cholesterol/phospholipid ratios. Our findings indicate that decreased PON1 activity observed in arsenic exposure may be an incipient biochemical event in the cardiovascular effects of arsenic. Modulation of PON1 activity by arsenic may also be mediated through changes in membrane fluidity brought about by changes in the concentration of cholesterol in the microsomes.
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Affiliation(s)
- Olusegun K Afolabi
- Department of Biochemistry, Federal University of Agriculture, Abeokuta, Nigeria
- Department of Biochemistry, Ladoke Akintola University of Technology, Ogbomosho, Nigeria
| | - Adedoja D Wusu
- Department of Biochemistry, Federal University of Agriculture, Abeokuta, Nigeria
- Department of Biochemistry, Lagos State University, Ojoo, Nigeria
| | - Olufunmilayo O Ogunrinola
- Department of Biochemistry, Federal University of Agriculture, Abeokuta, Nigeria
- Department of Biochemistry, Lagos State University, Ojoo, Nigeria
| | - Esther O Abam
- Department of Biochemistry, Federal University of Agriculture, Abeokuta, Nigeria
| | - David O Babayemi
- Department of Biochemistry, Federal University of Agriculture, Abeokuta, Nigeria
| | - Oluwatosin A Dosumu
- Department of Biochemistry, Federal University of Agriculture, Abeokuta, Nigeria
| | - Okechukwu B Onunkwor
- Department of Biochemistry, Federal University of Agriculture, Abeokuta, Nigeria
| | - Elizabeth A Balogun
- Department of Biochemistry, Federal University of Agriculture, Abeokuta, Nigeria
- Department of Biochemistry, University of Ilorin, Nigeria
| | - Olusegun O Odukoya
- Department of Chemistry, Federal University of Agriculture, Abeokuta, Nigeria
| | - Oladipo Ademuyiwa
- Department of Biochemistry, Federal University of Agriculture, Abeokuta, Nigeria
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18
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Marsillach J, Becker JO, Vaisar T, Hahn BH, Brunzell JD, Furlong CE, de Boer IH, McMahon MA, Hoofnagle AN. Paraoxonase-3 is depleted from the high-density lipoproteins of autoimmune disease patients with subclinical atherosclerosis. J Proteome Res 2015; 14:2046-54. [PMID: 25723336 DOI: 10.1021/pr5011586] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Patients with autoimmune diseases have a significantly increased risk of developing cardiovascular disease. In disease, high-density lipoprotein (HDL) particles lose their anti-inflammatory and antioxidant properties and become dysfunctional. The purpose of this study was to test the hypothesis that alterations in the HDL proteomic profile are associated with subclinical atherosclerosis and HDL dysfunction in patients with autoimmune diseases such as systemic lupus erythematosus (SLE) and type 1 diabetes. Targeted proteomics was used to quantify the relative abundance of 18 proteins in HDL from SLE patients with and without atherosclerotic plaque detectable by carotid ultrasound. Changes in the proteomic profile were compared against the in vitro ability of HDL to protect against lipid oxidation. The same proteins were quantified in HDL from patients with type 1 diabetes with or without coronary artery calcification as determined by computed tomography. In each population, paraoxonase-3 (PON3), a potent antioxidant protein, was depleted from the HDL of patients with subclinical atherosclerosis. PON3 expression in HDL was positively correlated with HDL antioxidant function. These results suggest that PON3 may be an important protein in preventing atherosclerosis and highlight the importance of antioxidant proteins in the prevention of atherosclerosis in vivo.
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Affiliation(s)
| | | | | | - Bevra H Hahn
- §Department of Medicine (Division of Rheumatology), University of California Los Angeles, 1000 Veteran Avenue 32-59, Los Angeles, California 90095, United States
| | | | - Clement E Furlong
- ⊥Department of Genome Sciences, University of Washington, 3720 Fifteenth Avenue Northeast, Seattle, Washington 98195, United States
| | - Ian H de Boer
- ¶Kidney Research Institute, University of Washington, 325 Ninth Avenue, Seattle, Washington 98104, United States
| | - Maureen A McMahon
- §Department of Medicine (Division of Rheumatology), University of California Los Angeles, 1000 Veteran Avenue 32-59, Los Angeles, California 90095, United States
| | - Andrew N Hoofnagle
- ¶Kidney Research Institute, University of Washington, 325 Ninth Avenue, Seattle, Washington 98104, United States
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19
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Human paraoxonase 1 as a pharmacologic agent: limitations and perspectives. ScientificWorldJournal 2014; 2014:854391. [PMID: 25386619 PMCID: PMC4217237 DOI: 10.1155/2014/854391] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2014] [Revised: 08/13/2014] [Accepted: 08/27/2014] [Indexed: 01/02/2023] Open
Abstract
Human PON1 (h-PON1) is a multifaceted enzyme and can hydrolyze (and inactivate) a wide range of substrates. The enzyme shows anti-inflammatory, antioxidative, antiatherogenic, ant-diabetic, antimicrobial, and organophosphate (OP)-detoxifying properties. However, there are certain limitations regarding large-scale production and use of h-PON1 as a therapeutic candidate. These include difficulties in producing recombinant h-PON1 (rh-PON1) using microbial expression system, low hydrolytic activity of wild-type h-PON1 towards certain substrates, and low storage stability of the purified enzyme. This review summarizes the work done in our laboratory to address these limitations. Our results show that (a) optimized polynucleotide sequence encoding rh-PON1 can express the protein in an active form in E. coli and can be used to generate variant of the enzyme having enhanced hydrolytic activity, (b) in vitro refolding of rh-PON1 enzyme can dramatically increase the yield of an active enzyme, (c) common excipients can be used to stabilize purified rh-PON1 enzyme when stored under different storage conditions, and (d) variants of rh-PON1 enzyme impart significant protection against OP-poisoning in human blood (ex vivo) and mouse (in vivo) model of OP-poisoning. The rh-PON1 variants and their process of production discussed here will help to develop h-PON1 as a therapeutic candidate.
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20
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Abstract
Oxidative stress and inflammation underpin most diseases; their mechanisms are inextricably linked. Chronic inflammation is associated with oxidation, anti-inflammatory cascades are linked to decreased oxidation, increased oxidative stress triggers inflammation, and redox balance inhibits the inflammatory cellular response. Whether or not oxidative stress and inflammation represent the cause or consequence of cellular pathology, they contribute significantly to the pathogenesis of noncommunicable diseases (NCD). The incidence of obesity and other related metabolic disturbances are increasing, as are age-related diseases due to a progressively aging population. Relationships between oxidative stress, inflammatory signaling, and metabolism are, in the broad sense of energy transformation, being increasingly recognized as part of the problem in NCD. In this chapter, we summarize the pathologic consequences of an imbalance between circulating and cellular paraoxonases, the system for scavenging excessive reactive oxygen species and circulating chemokines. They act as inducers of migration and infiltration of immune cells in target tissues as well as in the pathogenesis of disease that perturbs normal metabolic function. This disruption involves pathways controlling lipid and glucose homeostasis as well as metabolically driven chronic inflammatory states that encompass several response pathways. Dysfunction in the endoplasmic reticulum and/or mitochondria represents an important feature of chronic disease linked to oxidation and inflammation seen as self-reinforcing in NCD. Therefore, correct management requires a thorough understanding of these relationships and precise interpretation of laboratory test results.
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21
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Loria P, Marchesini G, Nascimbeni F, Ballestri S, Maurantonio M, Carubbi F, Ratziu V, Lonardo A. Cardiovascular risk, lipidemic phenotype and steatosis. A comparative analysis of cirrhotic and non-cirrhotic liver disease due to varying etiology. Atherosclerosis 2014; 232:99-109. [PMID: 24401223 DOI: 10.1016/j.atherosclerosis.2013.10.030] [Citation(s) in RCA: 101] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Revised: 10/23/2013] [Accepted: 10/24/2013] [Indexed: 02/08/2023]
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22
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Paraoxonase-1 inhibits oxidized low-density lipoprotein-induced metabolic alterations and apoptosis in endothelial cells: a nondirected metabolomic study. Mediators Inflamm 2013; 2013:156053. [PMID: 23766557 PMCID: PMC3674710 DOI: 10.1155/2013/156053] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2013] [Accepted: 04/26/2013] [Indexed: 12/21/2022] Open
Abstract
We studied the influence of PON1 on metabolic alterations induced by oxidized LDL when incubated with endothelial cells. HUVEC cells were incubated with native LDL, oxidized LDL, oxidized LDL plus HDL from wild type mice, and oxidized LDL plus HDL from PON1-deficient mice. Results showed alterations in carbohydrate and phospholipid metabolism and increased apoptosis in cells incubated with oxidized LDL. These changes were partially prevented by wild type mouse HDL, but the effects were less effective with HDL from PON1-deficient mice. Our results suggest that PON1 may play a significant role in endothelial cell survival by protecting cells from alterations in the respiratory chain induced by oxidized LDL. These results extend current knowledge on the protective role of HDL and PON1 against oxidation and apoptosis in endothelial cells.
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23
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PON1 gene polymorphisms and plasma PON1 activities in Takayasu's arteritis disease. Immunol Lett 2013; 152:77-82. [DOI: 10.1016/j.imlet.2013.04.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Revised: 04/13/2013] [Accepted: 04/20/2013] [Indexed: 11/22/2022]
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24
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Martinelli N, García-Heredia A, Roca H, Aranda N, Arija V, Mackness B, Mackness M, Busti F, Aragonès G, Pedro-Botet J, Pedica F, Cataldo I, Marsillach J, Joven J, Girelli D, Camps J. Paraoxonase-1 status in patients with hereditary hemochromatosis. J Lipid Res 2013; 54:1484-92. [PMID: 23471031 DOI: 10.1194/jlr.p028977] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Hereditary hemochromatosis (HH) is characterized by accumulation of iron, oxidative stress, inflammation, and fibrogenesis in liver tissue. In this setting, research on the protection afforded by intracellular antioxidants is of clinical relevance. Paraoxonase-1 (PON1) is an enzyme that degrades lipid peroxides. This study investigates the alterations in serum PON1 status, PON1 gene polymorphisms, and PON1 hepatic expression in patients with HH. We performed a case-control study in 77 patients with HH (80.5% men, 22-70 years of age) and 408 healthy individuals (43.1% men, 26-74 years of age). Serum PON1 activities against different substrates and PON1192 and PON155 polymorphisms were analyzed. PON1 protein expression was investigated in 20 liver biopsies. HH patients had significantly lower serum PON1 activity, which was inversely correlated with ferritin (marker of iron stores) and serum 8-isoprostane concentrations (index of oxidative stress). PON1 protein expression in liver tissue was higher in patients and showed stronger staining in hepatocytes surrounding the areas of inflammation. Our study provides preliminary evidence that PON1 may play a role in protecting against iron-induced oxidative stress in hereditary hemochromatosis.
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Affiliation(s)
- Nicola Martinelli
- Department of Medicine, Hospital of Verona, Policlinico G.B. Rossi, Verona, Italy
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25
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Macharia M, Hassan MS, Blackhurst D, Erasmus RT, Matsha TE. The growing importance of PON1 in cardiovascular health. J Cardiovasc Med (Hagerstown) 2012; 13:443-53. [DOI: 10.2459/jcm.0b013e328354e3ac] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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26
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Berrougui H, Loued S, Khalil A. Purified human paraoxonase-1 interacts with plasma membrane lipid rafts and mediates cholesterol efflux from macrophages. Free Radic Biol Med 2012; 52:1372-81. [PMID: 22336243 DOI: 10.1016/j.freeradbiomed.2012.01.019] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2011] [Revised: 01/17/2012] [Accepted: 01/23/2012] [Indexed: 11/24/2022]
Abstract
Paraoxonase-1 (PON1) is a high-density lipoprotein (HDL)-associated serum enzyme thought to make a major contribution to the antioxidant and anti-inflammatory capacities of HDLs. However, the role of PON1 in the modulation of cholesterol efflux is poorly understood. The aim of our study was to investigate the involvement of PON1 in the regulation of cholesterol efflux, especially the mechanism by which it modulates HDL-mediated cholesterol transport. The enrichment of HDL(3) with human PON1 enhanced, in a dose-dependent manner, cholesterol efflux from THP-1 macrophage-like cells and ABCA1-enriched J774 macrophages. Moreover, an additive effect was observed when ABCA1-enriched J774 macrophages were incubated with both PON1 and apo-AI. Interestingly, PON1 alone was able to mediate cholesterol efflux from J774 macrophages and to upregulate ABCA1 expression on J774 macrophages. Immunofluorescence measurement showed an increase in PON1 levels in the cytoplasm of J774 macrophages overexpressing ABCA1. PON1 used an apo-AI-like mechanism to modulate cholesterol efflux from rapid and slow efflux pools derived from the lipid raft and nonraft domains of the plasma membrane, respectively. This was supported by the fact that ABCA1 protein was incrementally expressed by J774 macrophages within the first few hours of incubation with cholesterol-loaded J774 macrophages and that cyclodextrin significantly inhibited the capacity of PON1 to modulate cholesterol efflux from macrophages. This finding suggested that PON1 plays an important role in the antiatherogenic properties of HDLs and may exert its protective function outside the lipoprotein environment.
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Affiliation(s)
- Hicham Berrougui
- Research Center on Aging, Faculty of Medicine, University of Sherbrooke, Sherbrooke, Canada QC J1H 4C4
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27
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Hashemi M, Bahari A, Hashemzehi N, Moazeni-Roodi A, Shafieipour S, Bakhshipour A, Ghavami S. Serum paraoxonase and arylesterase activities in Iranian patients with nonalcoholic fatty liver disease. PATHOPHYSIOLOGY 2012; 19:115-9. [DOI: 10.1016/j.pathophys.2012.04.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2011] [Accepted: 04/05/2012] [Indexed: 01/01/2023] Open
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28
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Boesch-Saadatmandi C, Wagner AE, Wolffram S, Rimbach G. Effect of quercetin on inflammatory gene expression in mice liver in vivo - role of redox factor 1, miRNA-122 and miRNA-125b. Pharmacol Res 2012; 65:523-30. [PMID: 22402395 DOI: 10.1016/j.phrs.2012.02.007] [Citation(s) in RCA: 98] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2011] [Revised: 02/09/2012] [Accepted: 02/21/2012] [Indexed: 12/13/2022]
Abstract
The anti-inflammatory properties of the flavonol quercetin have been intensively investigated using in vitro cell systems and are to a great extent reflected by changes in the expression of inflammatory markers. However, information relating to the degree at which quercetin affects inflammatory gene expression in vivo is limited. Recently, micro RNAs (miRNAs) have been identified as powerful post-transcriptional gene regulators. The effect of quercetin on miRNA regulation in vivo is largely unknown. Laboratory mice were fed for six weeks with control or quercetin enriched high fat diets and biomarkers of inflammation as well as hepatic levels of miRNAs previously involved in inflammation (miR-125b) and lipid metabolism (miR-122) were determined. We found lower mRNA steady state levels of the inflammatory genes interleukin 6, C-reactive protein, monocyte chemoattractant protein 1, and acyloxyacyl hydrolase in quercetin fed mice. In addition we found evidence for an involvement of redox factor 1, a modulator of nuclear factor κB signalling, on the attenuation of inflammatory gene expression mediated by dietary quercetin. Furthermore, the results demonstrate that hepatic miR-122 and miR-125b concentrations were increased by dietary quercetin supplementation and may therefore contribute to the gene-regulatory activity of quercetin in vivo.
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Affiliation(s)
- Christine Boesch-Saadatmandi
- Institute of Human Nutrition and Food Science, Christian-Albrechts-University Kiel, Hermann-Rodewald-Strasse 6, 24118 Kiel, Germany
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29
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García-Heredia A, Marsillach J, Aragonès G, Guardiola M, Rull A, Beltrán-Debón R, Folch A, Mackness B, Mackness M, Pedro-Botet J, Joven J, Camps J. Serum paraoxonase-3 concentration is associated with the severity of hepatic impairment in patients with chronic liver disease. Clin Biochem 2011; 44:1320-4. [DOI: 10.1016/j.clinbiochem.2011.08.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2011] [Revised: 07/29/2011] [Accepted: 08/02/2011] [Indexed: 12/20/2022]
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30
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Giordano G, Cole TB, Furlong CE, Costa LG. Paraoxonase 2 (PON2) in the mouse central nervous system: a neuroprotective role? Toxicol Appl Pharmacol 2011; 256:369-78. [PMID: 21354197 DOI: 10.1016/j.taap.2011.02.014] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2010] [Revised: 02/15/2011] [Accepted: 02/17/2011] [Indexed: 01/31/2023]
Abstract
The aims of this study were to characterize the expression of paraoxonase 2 (PON2) in mouse brain and to assess its antioxidant properties. PON2 levels were highest in the lung, intestine, heart and liver, and lower in the brain; in all tissues, PON2 expression was higher in female than in male mice. PON2 knockout [PON2(-/-)] mice did not express any PON2, as expected. In the brain, the highest levels of PON2 were found in the substantia nigra, the nucleus accumbens and the striatum, with lower levels in the cerebral cortex, hippocampus, cerebellum and brainstem. A similar regional distribution of PON2 activity (measured by dihydrocoumarin hydrolysis) was also found. PON3 was not detected in any brain area, while PON1 was expressed at very low levels, and did not show any regional difference. PON2 levels were higher in astrocytes than in neurons isolated from all brain regions, and were highest in cells from the striatum. PON2 activity and mRNA levels followed a similar pattern. Brain PON2 levels were highest around birth, and gradually declined. Subcellular distribution experiments indicated that PON2 is primarily expressed in microsomes and in mitochondria. The toxicity in neurons and astrocytes of agents known to cause oxidative stress (DMNQ and H(2)O(2)) was higher in cells from PON2(-/-) mice than in the same cells from wild-type mice, despite similar glutathione levels. These results indicate that PON2 is expressed in the brain, and that higher levels are found in dopaminergic regions such as the striatum, suggesting that this enzyme may provide protection against oxidative stress-mediated neurotoxicity.
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Affiliation(s)
- Gennaro Giordano
- Dept. of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA 98105, USA
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31
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Aragonès G, Guardiola M, Barreda M, Marsillach J, Beltrán-Debón R, Rull A, Mackness B, Mackness M, Joven J, Simó JM, Camps J. Measurement of serum PON-3 concentration: method evaluation, reference values, and influence of genotypes in a population-based study. J Lipid Res 2011; 52:1055-61. [PMID: 21335322 DOI: 10.1194/jlr.d014134] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Experimental studies showed that paraoxonase-3 (PON3) retards lipoprotein oxidation. Our objective was to describe a new assay to measure serum PON3 concentrations and report their reference values in a population-based study. The influence of PON3 promoter polymorphisms and their relationships with PON1 and lipid profile were also studied. We generated an anti-PON3 antibody by inoculating rabbits with a synthetic peptide specific to mature PON3. This antibody was used to develop an ELISA. The average regression line of standard plots (n = 8) was y = 0.9587 (0.3392) log(10)x + 1.9466 (0.0861) [r(2) = 0.924 (0.0131); P < 0.001]. There was no cross reaction with PON1. Detection limit was 0.24 mg/l. Imprecision was ≤ 13.2%. Reference interval (n = 356) was 1.00-2.47 mg/l. PON3 was observed in HDL particles containing apolipoprotein (apo)A-I and PON1, but not apoA-II or apoE. Serum PON3 concentrations showed a moderate influence (about 10% variation) by PON3 promoter polymorphisms. Our study describes for the first time a method to measure serum PON3 concentrations. This method offers new opportunities in the investigation of the properties and role of PON3 in cardiovascular disease, with possible implications in clinical practice.
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Affiliation(s)
- Gerard Aragonès
- Centre de Recerca Biomèdica, Hospital Universitari de Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Catalonia, Spain
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