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Kim SS, Meeker JD, Keil AP, Aung MT, Bommarito PA, Cantonwine DE, McElrath TF, Ferguson KK. Exposure to 17 trace metals in pregnancy and associations with urinary oxidative stress biomarkers. ENVIRONMENTAL RESEARCH 2019; 179:108854. [PMID: 31678726 PMCID: PMC6907890 DOI: 10.1016/j.envres.2019.108854] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 09/26/2019] [Accepted: 10/22/2019] [Indexed: 05/18/2023]
Abstract
BACKGROUND Exposure to some toxic metals, such as lead and cadmium, has been associated with increased oxidative stress. However less is known about other metals and metal mixtures, especially in pregnant women who are a vulnerable population. METHODS To study the relationship between exposure to trace metals and oxidative stress, we analyzed a panel of 17 metals and two oxidative stress biomarkers (8-isoprostane and 8-hydroxydeoxyguanosine [8-OHdG]) in urine samples collected at ~26 weeks gestation from pregnant women in Boston (n = 380). We used linear regression models to calculate percent differences and 95% confidence intervals (CI) in oxidative stress markers for an interquartile range (IQR) increase in each urinary metal with adjustment for other metals. In addition, we applied principal components analysis (PCA) and Bayesian kernel machine regression (BKMR), to examine cumulative effects (within correlated groups of exposures as well as overall) and interactions. RESULTS We estimated 109% (95% CI: 47, 198) higher 8-isoprostane and 71% (95% CI: 45, 102) higher 8-OHdG with an IQR increase in urinary selenium (Se). We also estimated higher 8-isoprostane (47%, 95% CI: 20.5, 79.4) and 8-OHdG (15.3%, 95% CI: 5.09, 26.5) in association with urinary copper (Cu). In our PCA, we observed higher 8-isoprostane levels in association with the "essential" PC (highly loaded by Cu, Se, and Zinc). In BKMR analyses, we also estimated higher levels of both oxidative stress biomarkers with increasing Se and Cu as well as increasing levels of both oxidative stress biomarkers in association with cumulative concentrations of urinary trace metals. CONCLUSION We observed higher 8-isoprostane and 8-OHdG levels in association with urinary trace metals and elements, particularly Se and Cu, in linear models and using mixtures approaches. Additionally, increasing cumulative exposure to urinary trace metals was associated with higher levels of both oxidative stress biomarkers. The beneficial effects of these compounds should be carefully questioned.
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Affiliation(s)
- Stephani S Kim
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - John D Meeker
- Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Alexander P Keil
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA; Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
| | - Max T Aung
- Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Paige A Bommarito
- Department of Environmental Science and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
| | - David E Cantonwine
- Division of Maternal-Fetal Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Thomas F McElrath
- Division of Maternal-Fetal Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Kelly K Ferguson
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA.
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102
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Leung HH, Ng AL, Durand T, Kawasaki R, Oger C, Balas L, Galano JM, Wong IY, Chung-Yung Lee J. Increase in omega-6 and decrease in omega-3 polyunsaturated fatty acid oxidation elevates the risk of exudative AMD development in adults with Chinese diet. Free Radic Biol Med 2019; 145:349-356. [PMID: 31605749 DOI: 10.1016/j.freeradbiomed.2019.10.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 10/05/2019] [Accepted: 10/09/2019] [Indexed: 12/19/2022]
Abstract
Appropriate diet is essential for the regulation of age-related macular degeneration (AMD). In particular the type of dietary polyunsaturated fatty acids (PUFA) and poor antioxidant status including carotenoid levels concomitantly contribute to AMD risk. Build-up of oxidative stress in AMD induces PUFA oxidation, and a mix of lipid oxidation products (LOPs) are generated. However, LOPs are not comprehensively evaluated in AMD. LOPs are considered biomarkers of oxidative stress but also contributes to inflammatory response. In this cross-sectional case-control study, plasma omega-6/omega-3 PUFA ratios and antioxidant status (glutathione, superoxide dismutase and catalase), and plasma and urinary LOPs (41 types) were determined to evaluate its odds-ratio in the risk of developing exudative AMD (n = 99) compared to age-gender-matched healthy controls (n = 198) in adults with Chinese diet. The odds ratio of developing exudative AMD increased with LOPs from omega-6 PUFA and decreased from those of omega-3 PUFA. These observations were associated with a high plasma omega-6/omega-3 PUFA ratio and low carotenoid levels. In short, poor PUFA and antioxidant status increased the production of omega-6 PUFA LOPs such as dihomo-isoprostane and dihomo-isofuran, and lowered omega-3 PUFA LOPs such as neuroprostanes due to the high omega-6/omega-3 PUFA ratios; they were also correlated to the risk of AMD development. These findings indicate the generation of specific LOPs is associated with the development of exudative AMD.
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Affiliation(s)
- Ho Hang Leung
- School of Biological Sciences, The University of Hong Kong, Hong Kong SAR, China
| | - Alex Lk Ng
- Department of Ophthalmology, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China; Hong Kong Ophthalmic Associates, Hong Kong SAR, China
| | - Thierry Durand
- Institut des Biomolécules Max Mousseron, UMR 5247 CNRS, ENSCM, Université de Montpellier, France
| | - Ryo Kawasaki
- Department of Vision Informatics, Osaka University, Japan
| | - Camille Oger
- Institut des Biomolécules Max Mousseron, UMR 5247 CNRS, ENSCM, Université de Montpellier, France
| | - Laurence Balas
- Institut des Biomolécules Max Mousseron, UMR 5247 CNRS, ENSCM, Université de Montpellier, France
| | - Jean-Marie Galano
- Institut des Biomolécules Max Mousseron, UMR 5247 CNRS, ENSCM, Université de Montpellier, France
| | - Ian Yh Wong
- Department of Ophthalmology, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China; Department of Ophthalmology, Hong Kong Sanatorium and Hospital, Hong Kong SAR, China
| | - Jetty Chung-Yung Lee
- School of Biological Sciences, The University of Hong Kong, Hong Kong SAR, China.
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103
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O'Brien JW, Choi PM, Li J, Thai PK, Jiang G, Tscharke BJ, Mueller JF, Thomas KV. Evaluating the stability of three oxidative stress biomarkers under sewer conditions and potential impact for use in wastewater-based epidemiology. WATER RESEARCH 2019; 166:115068. [PMID: 31542546 DOI: 10.1016/j.watres.2019.115068] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 09/05/2019] [Accepted: 09/06/2019] [Indexed: 06/10/2023]
Abstract
Wastewater contains a wealth of information about the population who contribute to it including biological and chemical markers of human activity and exposures. F2-isoprostanes have been proposed as oxidative stress biomarkers that can be measured in wastewater to provide a measure of oxidative stress at the population level. While an association between tobacco use and their level in wastewater has been demonstrated, an in-sewer stability assessment has not been conducted to support their use as oxidative stress biomarkers for wastewater-based epidemiology studies. In this study we investigated the stability of 8-iso-prostaglandin F2α (PGF2α), its metabolite dinor-11β-Prostaglandin F2α (dnPGF2α) and Prostaglandin E2 (PGE2) (representative of other classes of prostaglandins) in laboratory-scale sewer reactors simulating real sewers. PGF2α, dnPGF2α and PGE2 were all found to be sufficiently stable under typical sewer conditions therefore satisfying the stability requirement of wastewater-based epidemiology population health biomarkers.
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Affiliation(s)
- Jake W O'Brien
- The University of Queensland, Queensland Alliance for Environmental Health Sciences (QAEHS), 20 Cornwall Street, Woolloongabba, QLD, 4102, Australia.
| | - Phil M Choi
- The University of Queensland, Queensland Alliance for Environmental Health Sciences (QAEHS), 20 Cornwall Street, Woolloongabba, QLD, 4102, Australia
| | - Jiaying Li
- The University of Queensland, Advanced Water Management Centre, St Lucia, QLD, 4072, Australia
| | - Phong K Thai
- The University of Queensland, Queensland Alliance for Environmental Health Sciences (QAEHS), 20 Cornwall Street, Woolloongabba, QLD, 4102, Australia
| | - Guangming Jiang
- The University of Queensland, Advanced Water Management Centre, St Lucia, QLD, 4072, Australia; School of Civil, Mining & Environmental Engineering, Faculty of Engineering and Information Sciences, University of Wollongong, NSW, 2522, Australia
| | - Benjamin J Tscharke
- The University of Queensland, Queensland Alliance for Environmental Health Sciences (QAEHS), 20 Cornwall Street, Woolloongabba, QLD, 4102, Australia
| | - Jochen F Mueller
- The University of Queensland, Queensland Alliance for Environmental Health Sciences (QAEHS), 20 Cornwall Street, Woolloongabba, QLD, 4102, Australia
| | - Kevin V Thomas
- The University of Queensland, Queensland Alliance for Environmental Health Sciences (QAEHS), 20 Cornwall Street, Woolloongabba, QLD, 4102, Australia
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104
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Pharaoh G, Owen D, Yeganeh A, Premkumar P, Farley J, Bhaskaran S, Ashpole N, Kinter M, Van Remmen H, Logan S. Disparate Central and Peripheral Effects of Circulating IGF-1 Deficiency on Tissue Mitochondrial Function. Mol Neurobiol 2019; 57:1317-1331. [PMID: 31732912 PMCID: PMC7060968 DOI: 10.1007/s12035-019-01821-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 10/23/2019] [Indexed: 12/15/2022]
Abstract
Age-related decline in circulating levels of insulin-like growth factor (IGF)-1 is associated with reduced cognitive function, neuronal aging, and neurodegeneration. Decreased mitochondrial function along with increased reactive oxygen species (ROS) and accumulation of damaged macromolecules are hallmarks of cellular aging. Based on numerous studies indicating pleiotropic effects of IGF-1 during aging, we compared the central and peripheral effects of circulating IGF-1 deficiency on tissue mitochondrial function using an inducible liver IGF-1 knockout (LID). Circulating levels of IGF-1 (~ 75%) were depleted in adult male Igf1f/f mice via AAV-mediated knockdown of hepatic IGF-1 at 5 months of age. Cognitive function was evaluated at 18 months using the radial arm water maze and glucose and insulin tolerance assessed. Mitochondrial function was analyzed in hippocampus, muscle, and visceral fat tissues using high-resolution respirometry O2K as well as redox status and oxidative stress in the cortex. Peripherally, IGF-1 deficiency did not significantly impact muscle mass or mitochondrial function. Aged LID mice were insulin resistant and exhibited ~ 60% less adipose tissue but increased fat mitochondrial respiration (20%). The effects on fat metabolism were attributed to increases in growth hormone. Centrally, IGF-1 deficiency impaired hippocampal-dependent spatial acquisition as well as reversal learning in male mice. Hippocampal mitochondrial OXPHOS coupling efficiency and cortex ATP levels (~ 50%) were decreased and hippocampal oxidative stress (protein carbonylation and F2-isoprostanes) was increased. These data suggest that IGF-1 is critical for regulating mitochondrial function, redox status, and spatial learning in the central nervous system but has limited impact on peripheral (liver and muscle) metabolism with age. Therefore, IGF-1 deficiency with age may increase sensitivity to damage in the brain and propensity for cognitive deficits. Targeting mitochondrial function in the brain may be an avenue for therapy of age-related impairment of cognitive function. Regulation of mitochondrial function and redox status by IGF-1 is essential to maintain brain function and coordinate hippocampal-dependent spatial learning. While a decline in IGF-1 in the periphery may be beneficial to avert cancer progression, diminished central IGF-1 signaling may mediate, in part, age-related cognitive dysfunction and cognitive pathologies potentially by decreasing mitochondrial function.
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Affiliation(s)
- Gavin Pharaoh
- Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.,Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA.,Oklahoma Center for Geroscience, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Daniel Owen
- Oklahoma Center for Geroscience, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Alexander Yeganeh
- Oklahoma Center for Geroscience, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.,Oklahoma Center for Neuroscience, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Pavithra Premkumar
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Julie Farley
- Oklahoma Center for Geroscience, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Shylesh Bhaskaran
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA.,Oklahoma Center for Geroscience, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Nicole Ashpole
- Department of Biomolecular Sciences, University of Mississippi, Oxford, MS, USA
| | - Michael Kinter
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA.,Oklahoma Center for Geroscience, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Holly Van Remmen
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA.,Oklahoma Center for Geroscience, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.,Oklahoma Center for Neuroscience, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Sreemathi Logan
- Oklahoma Center for Geroscience, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA. .,Oklahoma Center for Neuroscience, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA. .,Department of Rehabilitation Sciences, College of Allied Health, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.
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105
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Eick SM, Meeker JD, Brown P, Swartzendruber A, Rios-McConnell R, Shen Y, Milne GL, Vélez Vega C, Rosario Z, Alshawabkeh A, Cordero JF, Ferguson KK. Associations between socioeconomic status, psychosocial stress, and urinary levels of 8-iso-prostaglandin-F 2α during pregnancy in Puerto Rico. Free Radic Biol Med 2019; 143:95-100. [PMID: 31369838 PMCID: PMC6848779 DOI: 10.1016/j.freeradbiomed.2019.07.032] [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: 05/29/2019] [Revised: 06/17/2019] [Accepted: 07/28/2019] [Indexed: 01/04/2023]
Abstract
BACKGROUND Lower socioeconomic status (SES) and psychosocial stress during pregnancy have been associated with adverse birth outcomes. While hypothalamic-pituitary-axis activation is thought to be the primary driver, oxidative stress may also be involved mechanistically. We used data from the Puerto Rico Testsite for Exploring Contamination Threats (PROTECT) cohort (N=476) to examine associations between self-reported psychosocial stress measures, SES indicators, and urinary oxidative stress biomarker concentrations, hypothesizing that women with lower SES and increased psychosocial stress would have elevated oxidative stress biomarkers. METHODS Maternal age, education, marital status, insurance status, alcohol use and smoking status were obtained via self-reported questionnaires and were used as indicators of SES. Perceived stress, depression, negative life experiences, neighborhood perceptions, and social support were self-reported in questionnaires administered during pregnancy. Responses were grouped into tertiles for analysis, where the highest tertile corresponded to highest level of psychosocial stress. Urinary concentrations of 8-iso-prostaglandin F2α (8-iso-PGF2α) and its primary metabolite were measured at three study visits (median 18, 24, 28 weeks gestation) and averaged to reflect oxidative stress across pregnancy. Linear models were used to examine associations between SES indicators, tertiles of psychosocial stress and oxidative stress biomarkers. RESULTS Average levels of 8-iso-PGF2α and the 8-iso-PGF2α metabolite were higher among pregnant women who were younger, who had public compared to private insurance, and who were unemployed compared to employed. However, no associations were observed between psychosocial stress measures and biomarker concentrations in adjusted analyses. CONCLUSIONS Psychosocial stress during pregnancy, as indicated by self-reported questionnaire measures, was not associated with biomarkers of oxidative stress in the PROTECT study. However, results suggest that these biomarkers are elevated among women of lower SES, which is typically associated with stress. Notably, compared to other populations, self-reported psychosocial stress measures were lower in PROTECT compared to other populations.
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Affiliation(s)
- Stephanie M Eick
- Department of Epidemiology and Biostatistics, College of Public Health, University of Georgia, 101 Buck Road, Athens, GA, 30329, United States
| | - John D Meeker
- Department of Environmental Health Sciences, University of Michigan School of Public Health, 1415 Washington Hts, Ann Arbor, MI, 48109, United States
| | - Phil Brown
- Social Science Environmental Health Research Institute, Northeastern University, 318 INV 360 Huntington Ave. Boston, MA, 02115, United States
| | - Andrea Swartzendruber
- Department of Epidemiology and Biostatistics, College of Public Health, University of Georgia, 101 Buck Road, Athens, GA, 30329, United States
| | - Rafael Rios-McConnell
- University of Puerto Rico Graduate School of Public Health, UPR Medical Sciences Campus, Paseo Dr. Jose Celso Barbosa, PO Box 365067, San Juan, PR, 00936-5067, United States
| | - Ye Shen
- Department of Epidemiology and Biostatistics, College of Public Health, University of Georgia, 101 Buck Road, Athens, GA, 30329, United States
| | - Ginger L Milne
- Division of Clinical Pharmacology, Vanderbilt University Medical Center, 562 Preston Research Bldg, 2200 Pierce Avenue, Nashville, TN, 37232-6602, United States
| | - Carmen Vélez Vega
- University of Puerto Rico Graduate School of Public Health, UPR Medical Sciences Campus, Paseo Dr. Jose Celso Barbosa, PO Box 365067, San Juan, PR, 00936-5067, United States
| | - Zaira Rosario
- University of Puerto Rico Graduate School of Public Health, UPR Medical Sciences Campus, Paseo Dr. Jose Celso Barbosa, PO Box 365067, San Juan, PR, 00936-5067, United States
| | - Akram Alshawabkeh
- College of Engineering, Northeastern University, 501 ST 360 Huntington Ave. Boston MA, 02115-500, United States
| | - José F Cordero
- Department of Epidemiology and Biostatistics, College of Public Health, University of Georgia, 101 Buck Road, Athens, GA, 30329, United States
| | - Kelly K Ferguson
- Department of Environmental Health Sciences, University of Michigan School of Public Health, 1415 Washington Hts, Ann Arbor, MI, 48109, United States; Epidemiology Branch, National Institute of Environmental Health Sciences, 111 TW Alexander Drive, Research Triangle Park, NC, 27709, United States.
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106
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Preoperative biomarker evaluation for the prediction of cardiovascular events after major vascular surgery. J Vasc Surg 2019; 70:1564-1575. [PMID: 31653377 DOI: 10.1016/j.jvs.2019.02.041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Accepted: 02/12/2019] [Indexed: 02/05/2023]
Abstract
OBJECTIVE The cause of perioperative myocardial infarction (PMI) is postulated to involve hemodynamic stress or coronary plaque destabilization. We aimed to evaluate perioperative factors in patients with peripheral artery disease (PAD) undergoing major vascular surgery to determine the likely mechanisms and predictors of PMI. METHODS This was a prospective cohort study of 133 patients undergoing major vascular surgery including open abdominal aortic aneurysm (AAA) repair (n = 40) and major suprainguinal or infrainguinal arterial bypasses (non-AAA; n = 93). Preoperative assessment with history, physical examination, and peripheral artery tonometry was performed in addition to plasma sampling of biomarkers associated with inflammation and coronary plaque instability. The primary outcome was occurrence of a 30-day cardiovascular event (CVE; composite of PMI [troponin I elevation >99th percentile reference of ≥0.1 μg/L], stroke, or death). RESULTS Of 133 patients, 36 patients (27%) developed a 30-day CVE after vascular surgery, and all were PMI. Patients with 30-day CVE were older (75 ± 8 years vs 69 ± 10 years, mean ± standard deviation; P = .001), had higher prevalence of hypertension (94% vs 79%; P = .01) and preoperative beta-blocker therapy (50% vs 29%; P = .02), and had longer duration of surgery (5.1 ± 1.8 hours vs 4.0 ± 1.1 hours; P < .0001). Significant elevations in cystatin C, N-terminal pro-B-type natriuretic peptide (NT-proBNP), troponin I, high-sensitivity troponin T, matrix metalloproteinase 3, and osteoprotegerin occurred in those who developed 30-day CVE (all P < .05). Multivariate binary logistic regression identified AAA surgery and log-transformed NT-proBNP to be independent preoperative predictors of 30-day CVE (area under the receiver operating characteristic curve = 0.81). CONCLUSIONS In patients with peripheral artery disease undergoing major vascular surgery, the likely mechanism of PMI appears to be the hemodynamic stress related to the type and duration of surgery. NT-proBNP was a useful independent predictor of CVE and thus may serve as an important biomarker of cardiovascular fitness for surgery.
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107
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Chaves-Filho AB, Yoshinaga MY, Dantas LS, Diniz LR, Pinto IFD, Miyamoto S. Mass Spectrometry Characterization of Thiol Conjugates Linked to Polyoxygenated Polyunsaturated Fatty Acid Species. Chem Res Toxicol 2019; 32:2028-2041. [PMID: 31496224 DOI: 10.1021/acs.chemrestox.9b00199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Radical mediated oxidation of polyunsaturated fatty acids (PUFA) is known to generate a series of polyoxygenated cyclic products (PUFA-On, n ≥ 3). Here, we describe the characterization of glutathione (GSH) conjugates bound to polyoxygenated docosahexaenoic (DHA-On, n = 3-9), arachidonic (ARA-On, n = 3-7), α-linolenic (ALA-O3), and linoleic (LA-O3) acid species. Similar conjugates were also characterized for N-acetylcysteine (NAC) and Cu,Zn-superoxide dismutase (SOD1). Extensive LC-MS/MS characterization using a synthetic α-linolenic hydroxy-endoperoxide (ALA-O3) derivative revealed at least two types of mechanisms leading to thiol adduction: a mechanism involving the nucleophilic attack by thiolate anion on 1,2-dioxolane to form a sulfenate ester-bonded conjugate and a mechanism involving cleavage of the dioxolane to form a α,β-unsaturated carbonyl followed by the Michael addition reaction. Finally, we detected a GSH conjugate with hydroxy-endoperoxide derived from linoleic acid (LA-O3) in mice liver. In summary, our study reveals the formation of a series of thiol conjugates that are bound to highly oxygenated PUFA species. GSH conjugates described in our study may potentially play relevant roles in redox and inflammatory processes, especially under high oxygen tension conditions.
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Affiliation(s)
- Adriano B Chaves-Filho
- Departamento de Bioquímica, Instituto de Química , Universidade de São Paulo , São Paulo , São Paulo 05508-000 , Brazil
| | - Marcos Y Yoshinaga
- Departamento de Bioquímica, Instituto de Química , Universidade de São Paulo , São Paulo , São Paulo 05508-000 , Brazil
| | - Lucas S Dantas
- Departamento de Bioquímica, Instituto de Química , Universidade de São Paulo , São Paulo , São Paulo 05508-000 , Brazil
| | - Larissa R Diniz
- Departamento de Bioquímica, Instituto de Química , Universidade de São Paulo , São Paulo , São Paulo 05508-000 , Brazil
| | - Isabella F D Pinto
- Departamento de Bioquímica, Instituto de Química , Universidade de São Paulo , São Paulo , São Paulo 05508-000 , Brazil
| | - Sayuri Miyamoto
- Departamento de Bioquímica, Instituto de Química , Universidade de São Paulo , São Paulo , São Paulo 05508-000 , Brazil
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108
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Holden P, Nair LS. Deferoxamine: An Angiogenic and Antioxidant Molecule for Tissue Regeneration. TISSUE ENGINEERING PART B-REVIEWS 2019; 25:461-470. [PMID: 31184273 DOI: 10.1089/ten.teb.2019.0111] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Deferoxamine (DFO) has been in use for half a century as a Food and Drug Administration-approved iron chelator, but recent studies indicate a variety of properties that could expand this drug's application into the fields of tissue and regenerative engineering. DFO has been implicated as an angiogenic agent in studies on ischemia, wound healing, and bone regeneration because of its ability to upregulate hypoxia-inducible factor-1 alpha (HIF-1α) and other key downstream angiogenic factors. DFO has also demonstrated antioxidant capabilities unrelated to its iron-chelating properties, making it a potential modulator of the oxidative stress involved in the inflammation response. Together, these properties make DFO a potential bioactive molecule to promote wound healing and enhance tissue integration of biomaterials in vivo. Impact Statement Deferoxamine (DFO) is approved by the Food and Drug Administration as an iron chelator and is been used to treat iron overload. Recent studies indicate that DFO may have important applications in the growing field of tissue regeneration because of its unique properties of downregulating inflammation while promoting vascularization, thereby enhancing wound healing in vivo.
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Affiliation(s)
- Paige Holden
- The Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health Center, Farmington, Connecticut.,Department of Biomedical Engineering, University of Connecticut, Storrs, Connecticut
| | - Lakshmi S Nair
- The Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health Center, Farmington, Connecticut.,Department of Biomedical Engineering, University of Connecticut, Storrs, Connecticut.,Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, Connecticut.,Department of Material Science and Engineering, Institute of Material Science, University of Connecticut, Storrs, Connecticut
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109
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Martín-Pozo L, Zafra-Gómez A, Cantarero-Malagón S, Vilchez JL. Analysis of Phlebodium decumanum Fronds by High-Performance Liquid Chromatography by Ultraviolet-Visible and Quadrupole Time-of-Flight Tandem Mass Spectrometry (HPLC–UV–VIS–QTOF–MS/MS). ANAL LETT 2019. [DOI: 10.1080/00032719.2019.1594866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Laura Martín-Pozo
- Research Group of Analytical Chemistry and Life Sciences, Department of Analytical Chemistry, University of Granada, Granada, Spain
| | - Alberto Zafra-Gómez
- Research Group of Analytical Chemistry and Life Sciences, Department of Analytical Chemistry, University of Granada, Granada, Spain
| | | | - José Luis Vilchez
- Research Group of Analytical Chemistry and Life Sciences, Department of Analytical Chemistry, University of Granada, Granada, Spain
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110
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Yuan JM, Grouls M, Carmella SG, Wang R, Heskin A, Jiang Y, Tan YT, Adams-Haduch J, Gao YT, Hecht SS. Prediagnostic levels of urinary 8-epi-prostaglandin F2α and prostaglandin E2 metabolite, biomarkers of oxidative damage and inflammation, and risk of hepatocellular carcinoma. Carcinogenesis 2019; 40:989-997. [PMID: 30615102 PMCID: PMC7967701 DOI: 10.1093/carcin/bgy180] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 11/30/2018] [Accepted: 12/24/2018] [Indexed: 12/24/2022] Open
Abstract
Chronic inflammation and oxidative stress play pivotal roles in the pathogenesis of hepatocellular carcinoma (HCC). We conducted a nested case-control study of 347 HCC cases and 691 matched controls within a prospective cohort of 18 244 Chinese men in Shanghai, China. The concentrations of 8-epi-prostaglandin F2α (8-epi-PGF2α), a biomarker of oxidative stress, and prostaglandin E2 (PGE2) metabolite (PGE-M), a biomarker of the inflammation mediator PGE2, were determined in baseline urine samples using validated mass spectrometry assays. 8-epi-PGF2α levels were significantly higher in HCC cases than control subjects (geometric means 0.92 versus 0.80 pmol/mg creatinine, P < 0.001). The relative risks of developing HCC for the highest relative to the lowest quartile of 8-epi-PGF2α were 2.55 (95% confidence interval = 1.62-4.01, Ptrend < 0.001). This positive 8-epi-PGF2α-HCC risk association was independent of smoking status, alcohol consumption and hepatitis B or liver cirrhosis and was present 10 years before the clinical manifestation of HCC. This study did not find any significant association between urinary PEG-M and HCC risk. This study provides direct evidence in support of the critical role of oxidative stress in the development of HCC regardless of its underlying causes.
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Affiliation(s)
- Jian-Min Yuan
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, UPMC Cancer Pavilion, Pittsburgh, PA, USA
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Menno Grouls
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Steven G Carmella
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Renwei Wang
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, UPMC Cancer Pavilion, Pittsburgh, PA, USA
| | - Alisa Heskin
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Yang Jiang
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Yu-Ting Tan
- Department of Epidemiology, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jennifer Adams-Haduch
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, UPMC Cancer Pavilion, Pittsburgh, PA, USA
| | - Yu-Tang Gao
- Department of Epidemiology, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Stephen S Hecht
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
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Gerald CL, McClendon CJ, Ranabhat RS, Waterman JT, Kloc LL, Conklin DR, Barton KT, Khatiwada JR, Williams LL. Sorrel Extract Reduces Oxidant Production in Airway Epithelial Cells Exposed to Swine Barn Dust Extract In Vitro. Mediators Inflamm 2019; 2019:7420468. [PMID: 31481850 PMCID: PMC6701418 DOI: 10.1155/2019/7420468] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 06/20/2019] [Accepted: 06/26/2019] [Indexed: 01/01/2023] Open
Abstract
Exposure to hog barn organic dust contributes to occupational lung diseases, which are mediated by inflammatory and oxidative stress pathways. Isoprostanes-a family of eicosanoids produced by oxidation of phospholipids by oxygen radicals-are biomarkers of pulmonary oxidative stress. Importantly, 8-isoprostane has been implicated as a key biomarker and mediator of oxidative stress because it is a potent pulmonary vasoconstrictor. Antioxidants found in fruits and vegetables hold promise for preventing or reducing effects of oxidative stress-related diseases including chronic bronchitis and chronic obstructive pulmonary disease (COPD). Here, we investigated 8-isoP and oxidant production by organic dust-exposed airway epithelial cells and the inhibitory effects of an extract from calyces of the sorrel plant, Hibiscus sabdariffa, on oxidant-producing pathways. Confluent cultures of normal human tracheobronchial epithelial cells were pretreated or not with 1% sorrel extract prior to 5% dust extract (DE) exposure. Following DE treatments, live cells, cell-free supernatants, or cell extracts were evaluated for the presence of 8-isoprostane, superoxide, hydrogen peroxide, nitric oxide, hydroxyl radical, peroxynitrite, and catalase activity to evaluate sorrel's inhibitory effect on oxidative stress. The well-known radical scavenging antioxidant, N-acetyl cysteine (NAC), was used for comparisons with sorrel. DE exposure augmented the production of all radicals measured including 8-isoprostane (p value < 0.001), which could be inhibited by NAC or sorrel. Among reactive oxygen and nitrogen species generated in response to DE exposure, sorrel had no effect on H2O2 production and NAC had no significant effect on NO· production. The observations reported here suggest a possible role for sorrel in preventing 8-isoprostane and oxidant-mediated stress responses in bronchial epithelial cells exposed to hog barn dust. These findings suggest a potential role for oxidative stress pathways in mediating occupational lung diseases and antioxidants within sorrel and NAC in reducing dust-mediated oxidative stress within the airways of exposed workers.
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Affiliation(s)
- Carresse L. Gerald
- Department of Animal Sciences, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC, USA
- Department of Energy and Environmental Systems, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC, USA
| | - Chakia J. McClendon
- Department of Animal Sciences, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC, USA
- Department of Energy and Environmental Systems, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC, USA
| | - Rohit S. Ranabhat
- Department of Animal Sciences, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC, USA
- Department of Energy and Environmental Systems, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC, USA
| | - Jenora T. Waterman
- Department of Animal Sciences, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC, USA
| | - Lauren L. Kloc
- Department of Animal Sciences, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC, USA
| | - Dawn R. Conklin
- Department of Animal Sciences, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC, USA
| | - Ke'Yona T. Barton
- Department of Animal Sciences, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC, USA
| | - Janak R. Khatiwada
- Center of Excellence for Post-Harvest Technologies, North Carolina Agricultural and Technical University, 500 Laureate Way, Kannapolis, NC, USA
| | - Leonard L. Williams
- Center of Excellence for Post-Harvest Technologies, North Carolina Agricultural and Technical University, 500 Laureate Way, Kannapolis, NC, USA
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Increased pain and inflammatory sensitivity in growth hormone-releasing hormone (GHRH) knockout mice. Prostaglandins Other Lipid Mediat 2019; 144:106362. [PMID: 31301405 DOI: 10.1016/j.prostaglandins.2019.106362] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 06/04/2019] [Accepted: 07/09/2019] [Indexed: 02/06/2023]
Abstract
Growth hormone (GH) and GH-releasing hormone (GHRH), in addition to metabolic and endocrine effects, play a role in the modulation of pain and inflammation. We aimed to elucidate the consequences of GHRH deficiency on acute nociceptive stimulation and on both acute and chronic inflammatory stimuli in a mouse model of GH deficiency. Mice with generalized ablation of the GHRH gene (GHRH knock out, GHRHKO, -/-) were compared to wild type (GHRH +/+) mice. Responsiveness to acute nociceptive stimulation and to acute inflammatory stimulation was evaluated by conventional hot plate apparatus and formalin test, respectively. We also evaluated responsiveness to colonic inflammation induced both in vivo, after dextran sodium sulfate (DSS) treatment, or ex vivo, by incubating colon segments with bacterial lipopolysaccaride (LPS). Macroscopical and histological examinations were performed, prostaglandin (PG) E2 and 8-iso-PGF2α levels and cyclooxigenase (COX)-2 and tumor necrosis factor (TNF)-α gene expression were measured. Compared to controls, -/- mice showed decreased response latency during the hot plate test, and increased licking/biting time in formalin test, particularly in the second phase of inflammation. DSS treated -/- mice showed a significant increase of colonic inflammation compared to controls. Moreover DSS treatment increased PGE2 and 8-iso-PGF2α levels, along with COX-2 and TNF-α gene expression more markedly in colon specimens of -/- mice compared to controls. LPS-induced PGE2 and 8-iso-PGF2α production from colonic segments incubated ex vivo was also increased in -/- mice. Generalized GHRH gene ablation increases sensitivity to thermal pain and both acute and persistent inflammatory stimuli in male mice.
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113
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Osredkar J, Gosar D, Maček J, Kumer K, Fabjan T, Finderle P, Šterpin S, Zupan M, Jekovec Vrhovšek M. Urinary Markers of Oxidative Stress in Children with Autism Spectrum Disorder (ASD). Antioxidants (Basel) 2019; 8:antiox8060187. [PMID: 31226814 PMCID: PMC6616645 DOI: 10.3390/antiox8060187] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 06/12/2019] [Accepted: 06/17/2019] [Indexed: 12/16/2022] Open
Abstract
Background: Autism spectrum disorder (ASD) is a developmental disorder characterized by deficits in social interaction, restricted interest and repetitive behavior. Oxidative stress in response to environmental exposure plays a role in virtually every human disease and represents a significant avenue of research into the etiology of ASD. The aim of this study was to explore the diagnostic utility of four urinary biomarkers of oxidative stress. Methods: One hundred and thirty-nine (139) children and adolescents with ASD (89% male, average age = 10.0 years, age range = 2.1 to 18.1 years) and 47 healthy children and adolescents (49% male, average age 9.2, age range = 2.5 to 20.8 years) were recruited for this study. Their urinary 8-OH-dG, 8-isoprostane, dityrosine and hexanoil-lisine were determined by using the ELISA method. Urinary creatinine was determined with the kinetic Jaffee reaction and was used to normalize all biochemical measurements. Non-parametric tests and support vector machines (SVM) with three different kernel functions (linear, radial, polynomial) were used to explore and optimize the multivariate prediction of an ASD diagnosis based on the collected biochemical measurements. The SVM models were first trained using data from a random subset of children and adolescents from the ASD group (n = 70, 90% male, average age = 9.7 years, age range = 2.1 to 17.8 years) and the control group (n = 24, 45.8% male, average age = 9.4 years, age range = 2.5 to 20.8 years) using bootstrapping, with additional synthetic minority over-sampling (SMOTE), which was utilized because of unbalanced data. The computed SVM models were then validated using the remaining data from children and adolescents from the ASD (n = 69, 88% male, average age = 10.2 years, age range = 4.3 to 18.1 years) and the control group (n = 23, 52.2% male, average age = 8.9 years, age range = 2.6 to 16.7 years). Results: Using a non-parametric test, we found a trend showing that the urinary 8-OH-dG concentration was lower in children with ASD compared to the control group (unadjusted p = 0.085). When all four biochemical measurements were combined using SVMs with a radial kernel function, we could predict an ASD diagnosis with a balanced accuracy of 73.4%, thereby accounting for an estimated 20.8% of variance (p < 0.001). The predictive accuracy expressed as the area under the curve (AUC) was solid (95% CI = 0.691-0.908). Using the validation data, we achieved significantly lower rates of classification accuracy as expressed by the balanced accuracy (60.1%), the AUC (95% CI = 0.502-0.781) and the percentage of explained variance (R2 = 3.8%). Although the radial SVMs showed less predictive power using the validation data, they do, together with ratings of standardized SVM variable importance, provide some indication that urinary levels of 8-OH-dG and 8-isoprostane are predictive of an ASD diagnosis. Conclusions: Our results indicate that the examined urinary biomarkers in combination may differentiate children with ASD from healthy peers to a significant extent. However, the etiological importance of these findings is difficult to assesses, due to the high-dimensional nature of SVMs and a radial kernel function. Nonetheless, our results show that machine learning methods may provide significant insight into ASD and other disorders that could be related to oxidative stress.
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Affiliation(s)
- Joško Osredkar
- Institute of Clinical Chemistry and Biochemistry, University Medical Centre Ljubljana, Zaloška c.002, 1000 Ljubljana, Slovenia.
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, Slovenia.
| | - David Gosar
- Department of Child, Adolescent and Developmental Neurology, University Medical Centre Ljubljana, Zaloška c.002, 1000 Ljubljana, Slovenia.
| | - Jerneja Maček
- Center for Autism, Unit of Child Psychiatry, University Children's Hospital, University Medical Centre Ljubljana, Zaloška c.002, 1000 Ljubljana, Slovenia.
| | - Kristina Kumer
- Institute of Clinical Chemistry and Biochemistry, University Medical Centre Ljubljana, Zaloška c.002, 1000 Ljubljana, Slovenia.
| | - Teja Fabjan
- Institute of Clinical Chemistry and Biochemistry, University Medical Centre Ljubljana, Zaloška c.002, 1000 Ljubljana, Slovenia.
| | - Petra Finderle
- Institute of Clinical Chemistry and Biochemistry, University Medical Centre Ljubljana, Zaloška c.002, 1000 Ljubljana, Slovenia.
| | - Saša Šterpin
- Institute of Clinical Chemistry and Biochemistry, University Medical Centre Ljubljana, Zaloška c.002, 1000 Ljubljana, Slovenia.
| | - Mojca Zupan
- Blood Transfusion Centre of Slovenia, Šlajmerjeva ulica 6, 1000 Ljubljana, Slovenia.
| | - Maja Jekovec Vrhovšek
- Center for Autism, Unit of Child Psychiatry, University Children's Hospital, University Medical Centre Ljubljana, Zaloška c.002, 1000 Ljubljana, Slovenia.
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Neutrophils mediate early cerebral cortical hypoperfusion in a murine model of subarachnoid haemorrhage. Sci Rep 2019; 9:8460. [PMID: 31186479 PMCID: PMC6560094 DOI: 10.1038/s41598-019-44906-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 05/28/2019] [Indexed: 02/07/2023] Open
Abstract
Cerebral hypoperfusion in the first hours after subarachnoid haemorrhage (SAH) is a major determinant of poor neurological outcome. However, the underlying pathophysiology is only partly understood. Here we induced neutropenia in C57BL/6N mice by anti-Ly6G antibody injection, induced SAH by endovascular filament perforation, and analysed cerebral cortical perfusion with laser SPECKLE contrast imaging to investigate the role of neutrophils in mediating cerebral hypoperfusion during the first 24 h post-SAH. SAH induction significantly increased the intracranial pressure (ICP), and significantly reduced the cerebral perfusion pressure (CPP). At 3 h after SAH, ICP had returned to baseline and CPP was similar between SAH and sham mice. However, in SAH mice with normal neutrophil counts cortical hypoperfusion persisted. Conversely, despite similar CPP, cortical perfusion was significantly higher at 3 h after SAH in mice with neutropenia. The levels of 8-iso-prostaglandin-F2α in the subarachnoid haematoma increased significantly at 3 h after SAH in animals with normal neutrophil counts indicating oxidative stress, which was not the case in neutropenic SAH animals. These results suggest that neutrophils are important mediators of cortical hypoperfusion and oxidative stress early after SAH. Targeting neutrophil function and neutrophil-induced oxidative stress could be a promising new approach to mitigate cerebral hypoperfusion early after SAH.
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115
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Bono R, Bellisario V, Tassinari R, Squillacioti G, Manetta T, Bugiani M, Migliore E, Piccioni P. Bisphenol A, Tobacco Smoke, and Age as Predictors of Oxidative Stress in Children and Adolescents. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16112025. [PMID: 31174388 PMCID: PMC6604009 DOI: 10.3390/ijerph16112025] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 06/04/2019] [Accepted: 06/05/2019] [Indexed: 12/30/2022]
Abstract
OBJECTIVES The purpose of this study was to investigate bisphenol A (BPA) and its role in the induction of oxidative stress and confirm the same for tobacco smoke. METHODS A total of 223 young, healthy students (7-19 years old) were recruited in Chivasso, Italy. A spot of urine of each subject was analyzed to quantify BPA, cotinine, and 15F2t-isoprostane. RESULTS BPA showed a slight increase of concentration proportional with increasing age, even though the 11-14 years age group had slightly lower results, inducing a V-shape. The same trend was observed for 15F2t-isoprostane and cotinine. The result of piecewise linear robust regression shows a break point of the effect of BPA on 15F2t-isoprostane at 6 ng/mg CREA (p < 0.001). At higher levels, 15F2t-isoprostane shows an exponential increase by more than threefold for each one-log unit of BPA. An increase of oxidative stress due to BPA was observed, but only from 6 ng/mg of CREA up. Passive tobacco smoke is also able to induce an increase in oxidative stress. CONCLUSION Prevention against BPA and passive tobacco smoke represents an important tool for promoting the highest health standard.
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Affiliation(s)
- Roberto Bono
- Department of Public Health and Pediatrics, University of Turin, 10126 Turin, Italy.
| | - Valeria Bellisario
- Department of Public Health and Pediatrics, University of Turin, 10126 Turin, Italy.
| | - Roberta Tassinari
- Department of Public Health and Pediatrics, University of Turin, 10126 Turin, Italy.
| | - Giulia Squillacioti
- Department of Public Health and Pediatrics, University of Turin, 10126 Turin, Italy.
| | - Tilde Manetta
- Department of Public Health and Pediatrics, University of Turin, 10126 Turin, Italy.
| | - Massimiliano Bugiani
- Consultant of OMP (observatory of professional diseases) of the Turin Court Prosecutor's Office, Turin 10100, Italy.
| | - Enrica Migliore
- Cancer Epidemiology, AOU Città della Salute e della Scienza di Torino, Turin 10126, Italy.
| | - Pavilio Piccioni
- Unit of Pneumology and Tisiology, National Health Service (ASL TO2), Torino 10100, Italy.
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Bono R, Capacci F, Cellai F, Sgarrella C, Bellisario V, Trucco G, Tofani L, Peluso A, Poli C, Arena L, Piro S, Miligi L, Munnia A, Peluso M. Wood dust and urinary 15-F 2t isoprostane in Italian industry workers. ENVIRONMENTAL RESEARCH 2019; 173:300-305. [PMID: 30939330 DOI: 10.1016/j.envres.2019.03.058] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 03/22/2019] [Accepted: 03/23/2019] [Indexed: 06/09/2023]
Abstract
Wood dust is one of the most common occupational exposures, with about 3.6 million of workers in the wood industry in Europe. Wood particles can deposit in the nose and the respiratory tract and cause adverse health effects. Occupational exposure to wood dust has been associated with malignant tumors of the nasal cavity and paranasal sinuses. The induction of oxidative stress and the generation of reactive oxygen species through activation of inflammatory cells could have a role in the carcinogenicity of respirable wood dust. Therefore, we conducted a cross-sectional study to evaluate the prevalence of urinary 15-F2t isoprostane (15-F2t-IsoP), a biomarker of oxidative stress and peroxidation of lipids, in 123 wood workers compared to 57 unexposed controls living in Tuscany region, Italy. 15-F2t-IsoP generation was measured by ELISA. The main result of the present study showed that a statistically significant excess of this biomarker occurred in the workers exposed to 1.48 mg/m3 of airborne wood dust with respect to the unexposed controls. The overall mean ratio (MR) between the workers exposed to wood dust and the controls was 1.36, 95% Confidence Interval (C.I.) 1.18-1.57, after correction for age and smoking habits. A significant increment of 15-F2t-IsoP (43%) was observed in the smokers as compared to the non-smokers. The urinary excretion of 15-F2t-IsoP was significantly associated with co-exposure to organic solvents, i.e., MR of 1.41, 95% C.I. 1.17-1.70, after adjustment for age and smoking habits. A 41% excess was observed in long-term wood workers, 95% C.I. 1.14-1.75. Multivariate regression analysis showed that the level of 15-F2t-IsoP was linearly correlated to the length of exposure, regression coefficient (β) = 0.244 ± 0.002 (SE). The overall increment by exposure group persisted after stratification for smoking habits. For instance, in smokers, a 53% excess was detected in the wood workers as compared to the controls, 95% C.I. 1.23-1.91. Our data support the hypothesis that oxidative stress and lipid peroxidation can have a role in the toxicity of wood dust F2-IsoP measure can be a tool for the evaluation of the effectiveness of targeted interventions aimed to reduce exposures to environmental carcinogens.
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Affiliation(s)
- Roberto Bono
- Department of Public Health and Pediatrics, University of Turin, Italy
| | - Fabio Capacci
- Functional Unit for Prevention, Health and Safety in the Workplace, ASL10, Florence, Italy
| | - Filippo Cellai
- Cancer Factor Risk Branch, Regional Cancer Prevention Laboratory, ISPRO-Study, Prevention and Oncology Network Institute, 50139, Florence, Italy
| | - Carla Sgarrella
- Functional Unit for Prevention, Health and Safety in the Workplace, ASL10, Florence, Italy
| | | | - Giulia Trucco
- Department of Public Health and Pediatrics, University of Turin, Italy
| | - Lorenzo Tofani
- Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Florence, Italy
| | | | - Carla Poli
- Department of Prevention, ASL11, Empoli, Florence, Italy
| | - Luciano Arena
- Department of Prevention, ASL11, Empoli, Florence, Italy
| | - Sara Piro
- Unit of Environmental and Occupational Epidemiology, ISPRO-Study, Prevention and Oncology Network Institute, 50139, Florence, Italy
| | - Lucia Miligi
- Unit of Environmental and Occupational Epidemiology, ISPRO-Study, Prevention and Oncology Network Institute, 50139, Florence, Italy
| | - Armelle Munnia
- Cancer Factor Risk Branch, Regional Cancer Prevention Laboratory, ISPRO-Study, Prevention and Oncology Network Institute, 50139, Florence, Italy
| | - Marco Peluso
- Cancer Factor Risk Branch, Regional Cancer Prevention Laboratory, ISPRO-Study, Prevention and Oncology Network Institute, 50139, Florence, Italy.
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Leung HH, Yau YF, Leung KS, Lee YY, Oger C, Durand T, Galano J, Loke WM, Lee JC. Garlic Supplementation Modified Enzymatic Omega‐6 Polyunsaturated Fatty Acid Oxidation in Mild Hypercholesterolemia. EUR J LIPID SCI TECH 2019. [DOI: 10.1002/ejlt.201900069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Ho Hang Leung
- School of Biological SciencesThe University of Hong KongHong Kong SAR
| | - Yu Fung Yau
- School of Biological SciencesThe University of Hong KongHong Kong SAR
| | - Kin Sum Leung
- School of Biological SciencesThe University of Hong KongHong Kong SAR
| | - Yiu Yiu Lee
- School of Biological SciencesThe University of Hong KongHong Kong SAR
| | - Camille Oger
- Institut des Biomolécules Max MousseronUniversité de MontpellierUMR 5247 CNRS, ENSCMFrance
| | - Thierry Durand
- Institut des Biomolécules Max MousseronUniversité de MontpellierUMR 5247 CNRS, ENSCMFrance
| | - Jean‐Marie Galano
- Institut des Biomolécules Max MousseronUniversité de MontpellierUMR 5247 CNRS, ENSCMFrance
| | - Wai Mun Loke
- School of Chemical and Life SciencesCentre for Functional Food & Human NutritionNanyang PolytechnicSingapore 569830Singapore
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Liver Fat Is Associated With Markers of Inflammation and Oxidative Stress in Analysis of Data From the Framingham Heart Study. Clin Gastroenterol Hepatol 2019; 17:1157-1164.e4. [PMID: 30476583 PMCID: PMC6475462 DOI: 10.1016/j.cgh.2018.11.037] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 11/05/2018] [Accepted: 11/13/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Nonalcoholic fatty liver disease is an inflammatory condition that results in progressive liver disease. It is unknown if individuals with hepatic steatosis, but not known to have liver disease, have higher serum concentrations of markers of systemic inflammation and oxidative stress. METHODS We collected data from 2482 participants from the Framingham Heart Study (mean age, 51 ± 11 y; 51% women) who underwent computed tomography and measurement of 14 serum markers of systemic inflammation. Heavy alcohol users were excluded. The liver:phantom ratio (a continuous parameter of liver attenuation relative to a calibration phantom) was used to identify individuals with radiographic evidence of liver fat. Primary covariates included age, sex, smoking, alcohol, aspirin use, hypertension, dyslipidemia, diabetes, and cardiovascular disease. Body mass index and visceral fat were secondary covariates. We used multivariable linear regression models to assess the association between liver fat and systemic inflammatory markers. RESULTS In multivariable-adjusted models, liver fat was associated with the following inflammatory markers: high-sensitivity C-reactive protein (P < .001), urinary isoprostanes (P < .001), interleukin 6 (P < .001), intercellular adhesion molecule 1 (P < .001), and P-selectin (P = .002). Additional adjustment for body mass index or visceral fat attenuated the results slightly, although all associations remained statistically significant (P for all ≤ .01). CONCLUSIONS In a community-based cohort, individuals with hepatic steatosis without known liver disease had higher mean serum concentrations of systemic markers of inflammation. Studies are needed to determine whether treatment of hepatic steatosis reduces systemic inflammation.
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Wu D, Xu H, Chen J, Zhang L. Effects of Astaxanthin Supplementation on Oxidative Stress. INT J VITAM NUTR RES 2019; 90:179-194. [PMID: 30982442 DOI: 10.1024/0300-9831/a000497] [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] [Indexed: 12/11/2022]
Abstract
A systematic review and meta-analysis was conducted in six databases from 1948 to 2015 to assess the antioxidant activity of astaxanthin in humans. Nine randomized controlled trials were included in the systematic review. Results of meta-analysis revealed a borderline significant antioxidant effect of astaxanthin between the intervention and control groups, with a malondialdehyde-lowering effect for lipid peroxidation (p = 0.050). However, the data included here are insufficient. When compared with the baseline in intervention groups, the meta-analysis suggested that astaxanthin supplements significantly decreased plasma malondialdehyde {Standard mean difference (SMD) -1.32 μmol/L [95% CI -1.92, -0.72]; p < 0.0001} and isoprostane (SMD -3.10 ng/mL [95% CI -4.69, -1.51]; p < 0.0001). However, they increased superoxide dismutase (SMD 1.57 U/mL [95% CI 0.57, 2.56]; p = 0.002) and total antioxidant capacity (SMD 0.77 mmol 95% CI [0.12, 1.43]; p = 0.018). For dosage subgroup analysis, high dose (≥20 mg/day) of astaxanthin showed significant antioxidant effect (on total antioxidant capacity, isoprostane, and superoxide dismutase, p < 0.05). However, low dose (<20 mg/day) showed no significant effect (p > 0.05). Further duration subgroup analysis indicated that astaxanthin showed antioxidant effect after a 3-week intervention (p < 0.001), whereas this effect was not observed after a 12-week or 3-month intervention (on isoprostane and superoxide dismutase, p > 0.05). This review suggested that the antioxidant effect of astaxanthin on humans is unclear.
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Affiliation(s)
- Di Wu
- Department of Nutrition, Food Hygiene and Toxicology, Sichuan University, West China School of Public Health, Chengdu, Sichuan, China
| | - Hao Xu
- Department of Epidemiology and Biostatistics, West China School of Public Health, Sichuan University, Chengdu, China
| | - Jinyao Chen
- Department of Nutrition, Food Hygiene and Toxicology, Sichuan University, West China School of Public Health, Chengdu, Sichuan, China
| | - Lishi Zhang
- Department of Nutrition, Food Hygiene and Toxicology, Sichuan University, West China School of Public Health, Chengdu, Sichuan, China
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Ahn B, Ranjit R, Premkumar P, Pharaoh G, Piekarz KM, Matsuzaki S, Claflin DR, Riddle K, Judge J, Bhaskaran S, Satara Natarajan K, Barboza E, Wronowski B, Kinter M, Humphries KM, Griffin TM, Freeman WM, Richardson A, Brooks SV, Van Remmen H. Mitochondrial oxidative stress impairs contractile function but paradoxically increases muscle mass via fibre branching. J Cachexia Sarcopenia Muscle 2019; 10:411-428. [PMID: 30706998 PMCID: PMC6463475 DOI: 10.1002/jcsm.12375] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 11/12/2018] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Excess reactive oxygen species (ROS) and muscle weakness occur in parallel in multiple pathological conditions. However, the causative role of skeletal muscle mitochondrial ROS (mtROS) on neuromuscular junction (NMJ) morphology and function and muscle weakness has not been directly investigated. METHODS We generated mice lacking skeletal muscle-specific manganese-superoxide dismutase (mSod2KO) to increase mtROS using a cre-Lox approach driven by human skeletal actin. We determined primary functional parameters of skeletal muscle mitochondrial function (respiration, ROS, and calcium retention capacity) using permeabilized muscle fibres and isolated muscle mitochondria. We assessed contractile properties of isolated skeletal muscle using in situ and in vitro preparations and whole lumbrical muscles to elucidate the mechanisms of contractile dysfunction. RESULTS The mSod2KO mice, contrary to our prediction, exhibit a 10-15% increase in muscle mass associated with an ~50% increase in central nuclei and ~35% increase in branched fibres (P < 0.05). Despite the increase in muscle mass of gastrocnemius and quadriceps, in situ sciatic nerve-stimulated isometric maximum-specific force (N/cm2 ), force per cross-sectional area, is impaired by ~60% and associated with increased NMJ fragmentation and size by ~40% (P < 0.05). Intrinsic alterations of components of the contractile machinery show elevated markers of oxidative stress, for example, lipid peroxidation is increased by ~100%, oxidized glutathione is elevated by ~50%, and oxidative modifications of myofibrillar proteins are increased by ~30% (P < 0.05). We also find an approximate 20% decrease in the intracellular calcium transient that is associated with specific force deficit. Excess superoxide generation from the mitochondrial complexes causes a deficiency of succinate dehydrogenase and reduced complex-II-mediated respiration and adenosine triphosphate generation rates leading to severe exercise intolerance (~10 min vs. ~2 h in wild type, P < 0.05). CONCLUSIONS Increased skeletal muscle mtROS is sufficient to elicit NMJ disruption and contractile abnormalities, but not muscle atrophy, suggesting new roles for mitochondrial oxidative stress in maintenance of muscle mass through increased fibre branching.
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Affiliation(s)
- Bumsoo Ahn
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, USA
| | - Rojina Ranjit
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, USA
| | - Pavithra Premkumar
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, USA
| | - Gavin Pharaoh
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, USA.,Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Katarzyna M Piekarz
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, USA.,Oklahoma Center for Neuroscience, University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Satoshi Matsuzaki
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, USA
| | - Dennis R Claflin
- Department of Surgery, Section of Plastic Surgery, University of Michigan, Ann Arbor, USA
| | - Kaitlyn Riddle
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, USA
| | - Jennifer Judge
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, USA
| | - Shylesh Bhaskaran
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, USA
| | | | - Erika Barboza
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, USA
| | - Benjamin Wronowski
- Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Michael Kinter
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, USA
| | - Kenneth M Humphries
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, USA.,Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, USA.,Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Timothy M Griffin
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, USA.,Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, USA.,Oklahoma Center for Neuroscience, University of Oklahoma Health Sciences Center, Oklahoma City, USA.,Oklahoma City VA Medical Center, Oklahoma City, USA.,Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Willard M Freeman
- Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, USA.,Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Arlan Richardson
- Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, USA.,Oklahoma City VA Medical Center, Oklahoma City, USA.,Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Susan V Brooks
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, USA
| | - Holly Van Remmen
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, USA.,Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, USA.,Oklahoma City VA Medical Center, Oklahoma City, USA.,Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, USA
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Association of antenatal depression with oxidative stress and impact on spontaneous preterm birth. J Perinatol 2019; 39:554-562. [PMID: 30723278 PMCID: PMC6463284 DOI: 10.1038/s41372-019-0317-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 12/18/2018] [Accepted: 01/03/2019] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To determine whether antenatal depression is associated with oxidative stress and inflammation, and secondarily, whether the association between antenatal depression and spontaneous preterm birth (SPTB) is mediated by these biomarkers. STUDY DESIGN The primary outcome included urine oxidative stress biomarkers 8-hydroxydeoxyguanosine (8-OHdG) and 8-isoprostane and plasma inflammatory biomarkers measured at 10, 18, and 26 weeks and averaged within individual. Linear and logistic regression models were used, adjusting for age, race, parity, and pre-pregnancy body mass index. RESULTS Among 462 women, 8-isoprostane was higher among depressed women (geometric mean: 299.96 pg/mL vs. 237.01 pg/mL; p = 0.001). In multivariable analyses, antenatal depression was significantly associated with an increase in average 8-isoprostane (β: 0.25; 95% CI: 0.05-0.44; p = 0.01). The association of antenatal depression with SPTB was partially mediated by 8-isoprostane. Antenatal depression was not associated with 8-OHdG or inflammatory biomarkers. CONCLUSIONS Antenatal depression was associated with higher oxidative stress across pregnancy, namely 8-isoprostane, and may impact SPTB via oxidative stress.
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Colomo N, López-Siguero JP, Leiva I, Fuentes N, Rubio-Martín E, Omiste A, Guerrero M, Tapia MJ, Martín-Tejedor B, Ruiz de Adana MS, Olveira G. Relationship between glucose control, glycemic variability, and oxidative stress in children with type 1 diabetes. ACTA ACUST UNITED AC 2019; 66:540-549. [PMID: 30853269 DOI: 10.1016/j.endinu.2018.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 12/14/2018] [Accepted: 12/20/2018] [Indexed: 11/25/2022]
Abstract
INTRODUCTION Few studies assessing the relationship between oxidative stress and glycemic variability in children with type 1 diabetes mellitus (T1DM) are available, and most of them reported no significant results. OBJECTIVE To assess the relationship between glucose control, glycemic variability, and oxidative stress as measured by urinary excretion of 8-iso-prostanglandin F2-alpha (8-iso-PGF2α) in children with T1DM. MATERIALS AND METHODS A cross-sectional study including 25 children with T1DM. Participants were evaluated during five days in two different situations: 1st phase during a summer camp, and 2nd phase in their everyday life at home. The following data were collected in each study phase:. - Six capillary blood glucose measurements per day. Mean blood glucose (MBG) levels and glucose variability parameters, including standard deviation, coefficient of variation, and mean amplitude of glycemic excursions (MAGE), were calculated. - Capillary HbA1c level. - 24-h urine sample to measure 8-iso-PGF2α. RESULTS There were no statistically significant differences in urinary 8-iso-PGF2α levels (142±37 vs. 172±61pg/mg creatinine) and glucose control and glycemic variability parameters between both phases. In the 2nd phase, statistically significant correlations were found between urinary 8-iso-PGF2α and HbA1c levels (r=0.53), MBG (r=0.72), standard deviation (r=0.49), and MAGE (r=0.42). No significant correlations between glucose control, glycemic variability and urinary 8-iso-PGF2α excretion were found in the 1st phase. CONCLUSIONS A significant correlation was found between glycemic variability and HbA1c level and urinary 8-iso-PGF2α excretion in a group of children with T1DM during their daily lives. Additional studies are needed to confirm this finding and to explore its long-term impact on health.
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Affiliation(s)
- Natalia Colomo
- Servicio de Endocrinología y Nutrición, Hospital Regional de Málaga, Instituto de Investigación Biomédica de Málaga (IBIMA), Plaza del Hospital Civil sn, 29009 Málaga, Spain; CIBER de Diabetes y Enfermedades Metabólicas (CIBERDEM), Instituto de Salud Carlos III, C/Sinesio Delgado 4, 28029 Madrid, Spain.
| | - Juan Pedro López-Siguero
- Servicio de Endocrinología Pediátrica, Hospital Regional de Málaga, Instituto de Investigación Biomédica de Málaga (IBIMA), Avenida Arroyo de los Ángeles sn, 29011 Málaga, Spain
| | - Isabel Leiva
- Servicio de Endocrinología Pediátrica, Hospital Regional de Málaga, Instituto de Investigación Biomédica de Málaga (IBIMA), Avenida Arroyo de los Ángeles sn, 29011 Málaga, Spain
| | - Noemí Fuentes
- Servicio de Endocrinología Pediátrica, Hospital Regional de Málaga, Instituto de Investigación Biomédica de Málaga (IBIMA), Avenida Arroyo de los Ángeles sn, 29011 Málaga, Spain
| | - Elehazara Rubio-Martín
- Servicio de Endocrinología y Nutrición, Hospital Regional de Málaga, Instituto de Investigación Biomédica de Málaga (IBIMA), Plaza del Hospital Civil sn, 29009 Málaga, Spain; CIBER de Diabetes y Enfermedades Metabólicas (CIBERDEM), Instituto de Salud Carlos III, C/Sinesio Delgado 4, 28029 Madrid, Spain
| | - Antonio Omiste
- Servicio de Endocrinología y Nutrición, Hospital Regional de Málaga, Instituto de Investigación Biomédica de Málaga (IBIMA), Plaza del Hospital Civil sn, 29009 Málaga, Spain
| | - Mercedes Guerrero
- Servicio de Endocrinología y Nutrición, Hospital Regional de Málaga, Instituto de Investigación Biomédica de Málaga (IBIMA), Plaza del Hospital Civil sn, 29009 Málaga, Spain
| | - María José Tapia
- Servicio de Endocrinología y Nutrición, Hospital Regional de Málaga, Instituto de Investigación Biomédica de Málaga (IBIMA), Plaza del Hospital Civil sn, 29009 Málaga, Spain; CIBER de Diabetes y Enfermedades Metabólicas (CIBERDEM), Instituto de Salud Carlos III, C/Sinesio Delgado 4, 28029 Madrid, Spain
| | - Beatriz Martín-Tejedor
- Servicio de Endocrinología Pediátrica, Hospital Regional de Málaga, Instituto de Investigación Biomédica de Málaga (IBIMA), Avenida Arroyo de los Ángeles sn, 29011 Málaga, Spain
| | - María Soledad Ruiz de Adana
- Servicio de Endocrinología y Nutrición, Hospital Regional de Málaga, Instituto de Investigación Biomédica de Málaga (IBIMA), Plaza del Hospital Civil sn, 29009 Málaga, Spain; CIBER de Diabetes y Enfermedades Metabólicas (CIBERDEM), Instituto de Salud Carlos III, C/Sinesio Delgado 4, 28029 Madrid, Spain
| | - Gabriel Olveira
- Servicio de Endocrinología y Nutrición, Hospital Regional de Málaga, Instituto de Investigación Biomédica de Málaga (IBIMA), Plaza del Hospital Civil sn, 29009 Málaga, Spain; CIBER de Diabetes y Enfermedades Metabólicas (CIBERDEM), Instituto de Salud Carlos III, C/Sinesio Delgado 4, 28029 Madrid, Spain
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Wang YX, Liu C, Shen Y, Wang Q, Pan A, Yang P, Chen YJ, Deng YL, Lu Q, Cheng LM, Miao XP, Xu SQ, Lu WQ, Zeng Q. Urinary levels of bisphenol A, F and S and markers of oxidative stress among healthy adult men: Variability and association analysis. ENVIRONMENT INTERNATIONAL 2019; 123:301-309. [PMID: 30553203 DOI: 10.1016/j.envint.2018.11.071] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 11/07/2018] [Accepted: 11/28/2018] [Indexed: 05/20/2023]
Abstract
BACKGROUND Bisphenol F (BPF) and bisphenol S (BPS) are increasingly used as alternatives to endocrine disrupting chemical bisphenol A (BPA). Evidence from in vitro and animal studies demonstrates that BPA, BPF and BPS induce oxidative stress, a proposed mechanism that is relevant to various adverse health effects. Evaluation in humans is hampered by the potentially high within-subject variability of urinary measurements. OBJECTIVE To evaluate the variability and associations of levels of BPA, BPS, BPF and 3 oxidative stress markers [i.e., 8-hydroxy-2-deoxyguanosine (8-OHdG), 8-iso-prostaglandin F2α (8-isoPGF2α) and 4-hydroxy-2-nonenal-mercapturic acid (HNE-MA)] in urine collected on multiple occasions over 3 months. METHOD A total of 529 spot urine samples, including 88 first morning voids (FMVs) and 24-h specimens, were gathered from 11 adult men on days 0, 1, 2, 3, 4, 30, 60 and 90 and analyzed for BPA, BPF, BPS, 8-OHdG, 8-isoPGF2α and HNE-MA. Intraclass correlation coefficients (ICCs) were estimated to characterize the reproducibility of urinary bisphenols and oxidative stress markers, and linear mixed models were applied to assess the associations between markers of exposure and response. RESULTS BPA and BPF were detected in ≥85% of the spot samples, while BPS in 13% of the samples. High degrees of within-subject variability were found for BPA, BPF, 8-OHdG, 8-isoPGF2α and HNE-MA in spot samples, FMVs and 24-h specimens (creatinine-corrected ICCs ≤ 0.37). The sensitivities were low-to-moderate (0.30-0.63) when using single spot samples or FMVs to predict high (>27th, or 36th percentile) 3-month average urinary levels of BPA, BPF, 8-OHdG, 8-isoPGF2α and HNE-MA. Collecting repeated specimens at different time points improved the accuracy of classification for markers of exposure and response. Elevated urinary BPA and BPF were associated with significantly higher levels of oxidative stress markers. CONCLUSIONS Repeated urinary specimens are required to characterize bisphenol exposure levels and the oxidative stress status of individuals. Exposure to BPA and BPF may partly contribute to the elevated urinary levels of oxidative stress makers in adult men.
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Affiliation(s)
- Yi-Xin Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Chong Liu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Ying Shen
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Qi Wang
- Department of Pathology, Bengbu Medical College, Anhui, PR China
| | - An Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Pan Yang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Ying-Jun Chen
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Yan-Ling Deng
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Qing Lu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Li-Ming Cheng
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Xiao-Ping Miao
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Shun-Qing Xu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Wen-Qing Lu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Qiang Zeng
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China.
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Sekikawa A, Ihara M, Lopez O, Kakuta C, Lopresti B, Higashiyama A, Aizenstein H, Chang YF, Mathis C, Miyamoto Y, Kuller L, Cui C. Effect of S-equol and Soy Isoflavones on Heart and Brain. Curr Cardiol Rev 2019; 15:114-135. [PMID: 30516108 PMCID: PMC6520578 DOI: 10.2174/1573403x15666181205104717] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 11/26/2018] [Accepted: 11/26/2018] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Observational studies in Asia show that dietary intake of soy isoflavones had a significant inverse association with coronary heart disease (CHD). A recent randomized controlled trial (RCT) of soy isoflavones on atherosclerosis in the US, however, failed to show their benefit. The discrepancy may be due to the much lower prevalence of S-equol producers in Westerners: Only 20-30% of Westerners produce S-equol in contrast to 50-70% in Asians. S-equol is a metabolite of dietary soy isoflavone daidzein by gut microbiome and possesses the most antiatherogenic properties among all isoflavones. Several short-duration RCTs documented that soy isoflavones improves arterial stiffness. Accumulating evidence shows that both atherosclerosis and arterial stiffness are positively associated with cognitive decline/dementia. Therefore, potentially, soy isoflavones, especially S-equol, are protective against cognitive decline/dementia. METHODS/RESULTS This narrative review of clinical and epidemiological studies provides an overview of the health benefits of soy isoflavones and introduces S-equol. Second, we review recent evidence on the association of soy isoflavones and S-equol with CHD, atherosclerosis, and arterial stiffness as well as the association of atherosclerosis and arterial stiffness with cognitive decline/ dementia. Third, we highlight recent studies that report the association of soy isoflavones and S-equol with cognitive decline/dementia. Lastly, we discuss the future directions of clinical and epidemiological research on the relationship of S-equol and CHD and dementia. CONCLUSIONS Evidence from observational studies and short-term RCTs suggests that S-equol is anti-atherogenic and improves arterial stiffness and may prevent CHD and cognitive impairment/ dementia. Well-designed long-term (≥ 2years) RCTs should be pursued.
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Affiliation(s)
- Akira Sekikawa
- Address correspondence to this author at the Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, 130 North Bellefield Avenue, Suite 336, Pittsburgh, PA 15213, USA; Tel: 412-383-1063; Fax: 412-648-4401;
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Derogis PBMC, Chaves-Fillho AB, Miyamoto S. Characterization of Hydroxy and Hydroperoxy Polyunsaturated Fatty Acids by Mass Spectrometry. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1127:21-35. [DOI: 10.1007/978-3-030-11488-6_2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Mass Spectrometry in Advancement of Redox Precision Medicine. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1140:327-358. [PMID: 31347057 DOI: 10.1007/978-3-030-15950-4_19] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Redox (portmanteau of reduction-oxidation) reactions involve the transfer of electrons between chemical species in biological processes fundamental to life. It is of outmost importance that cells maintain a healthy redox state by balancing the action of oxidants and antioxidants; failure to do so leads to a multitude of diseases including cancer, diabetes, fibrosis, autoimmune diseases, and cardiovascular and neurodegenerative diseases. From the perspective of precision medicine, it is therefore beneficial to interrogate the redox phenotype of the individual-similar to the use of genomic sequencing-in order to design tailored strategies for disease prevention and treatment. This chapter provides an overview of redox metabolism and focuses on how mass spectrometry (MS) can be applied to advance our knowledge in redox biology and precision medicine.
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Regulation of monocyte redox balance by 1,8-cineole (eucalyptol) controls oxidative stress and pro-inflammatory responses in vitro: A new option to increase the antioxidant effects of combined respiratory therapy with budesonide and formoterol? ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.synres.2018.05.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Quehenberger O, Dahlberg-Wright S, Jiang J, Armando AM, Dennis EA. Quantitative determination of esterified eicosanoids and related oxygenated metabolites after base hydrolysis. J Lipid Res 2018; 59:2436-2445. [PMID: 30323111 DOI: 10.1194/jlr.d089516] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 10/04/2018] [Indexed: 12/13/2022] Open
Abstract
Eicosanoids and related metabolites (oxylipins) possess potent signaling properties, elicit numerous important physiologic responses, and serve as biomarkers of disease. In addition to their presence in free form, a considerable portion of these bioactive lipids is esterified to complex lipids in cell membranes and plasma lipoproteins. We developed a rapid and sensitive method for the analysis of esterified oxylipins using alkaline hydrolysis to release them followed by ultra-performance LC coupled with mass spectrometric analysis. Detailed evaluation of the data revealed that several oxylipins are susceptible to alkaline-induced degradation. Nevertheless, of the 136 metabolites we examined, 56 were reproducibly recovered after alkaline hydrolysis. We classified those metabolites that were resistant to alkaline-induced degradation and applied this methodology to quantify metabolite levels in a macrophage cell model and in plasma of healthy subjects. After alkaline hydrolysis of lipids, 34 metabolites could be detected and quantified in resting and activated macrophages, and 38 metabolites were recovered from human plasma at levels that were substantially greater than in free form. By carefully selecting internal standards and taking the observed experimental limitations into account, we established a robust method that can be reliably employed for the measurement of esterified oxylipins in biological samples.
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Affiliation(s)
- Oswald Quehenberger
- Departments of Medicine,University of California at San Diego, La Jolla, CA 92093-0601 .,Departments of Pharmacology, University of California at San Diego, La Jolla, CA 92093-0601
| | - Signe Dahlberg-Wright
- Departments of Pharmacology, University of California at San Diego, La Jolla, CA 92093-0601
| | - Jiang Jiang
- Departments of Pharmacology, University of California at San Diego, La Jolla, CA 92093-0601
| | - Aaron M Armando
- Departments of Pharmacology, University of California at San Diego, La Jolla, CA 92093-0601
| | - Edward A Dennis
- Departments of Pharmacology, University of California at San Diego, La Jolla, CA 92093-0601 .,Departments of Chemistry and Biochemistry, School of Medicine, University of California at San Diego, La Jolla, CA 92093-0601
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Abstract
PURPOSE Lipid mediators of inflammation are a group of signaling molecules produced by various cells under physiological conditions and modulate the inflammatory process during various pathologic conditions. Although eicosanoids and F2-isoprostanes are recognized lipid mediators of inflammation, there is no consensus yet on the extraction and mass spectrometry (MS) method for their analysis in individual human tear samples. Thus, the aim of this study was to develop an optimal method for extraction of lipid mediators of inflammation in the tear film and evaluate MS techniques for their analysis. METHODS Basal tears were collected from each eye of 19 subjects using glass microcapillaries. Lipid extraction was performed using either varying concentrations of acidified methanol, a modified Folch method, or solid-phase extraction. Initially, an untargeted analysis of the extracts was performed using SCIEX TripleTOF 5600 mass spectrometer to identify any lipid mediators of inflammation (eicosanoids) and later a targeted analysis was performed using the SCIEX 6500 Qtrap to identify and quantify prostaglandins and isoprostanes. Mass spectra and chromatograms were analyzed using Peakview, XCMS, and Multiquant software. RESULTS Prostaglandins and isoprostanes were observed and quantified using the Qtrap mass spectrometer under multiple reaction monitoring (MRM) mode after solid-phase extraction. Extraction with acidified methanol along with the Folch method produced cleaner spectra during MS with the Triple time of flight (TOF) mass spectrometer. Lipid mediators of inflammation were not observed in any of the tear samples using the Triple TOF mass spectrometer. CONCLUSIONS Solid-phase extraction may be the method of choice for extraction of prostaglandins and isoprostanes in low volumes of tears. The SCIEX Qtrap 6500 in MRM mode may be suitable to identify and quantify similar lipid mediators of inflammation.
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Manuneedhi Cholan P, Cartland SP, Dang L, Rayner BS, Patel S, Thomas SR, Kavurma MM. TRAIL protects against endothelial dysfunction in vivo and inhibits angiotensin-II-induced oxidative stress in vascular endothelial cells in vitro. Free Radic Biol Med 2018; 126:341-349. [PMID: 30165101 DOI: 10.1016/j.freeradbiomed.2018.08.031] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 08/16/2018] [Accepted: 08/24/2018] [Indexed: 12/22/2022]
Abstract
The vascular endothelium is critical for maintenance of cardiovascular homeostasis. Endothelial dysfunction is a key event of atherosclerosis, with oxidative stress mediated by reactive oxygen species (ROS) playing a major role. Tumour necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) is increasingly recognised to play a protective role in atherosclerosis, however the molecular mechanisms by which it exerts its beneficial effects are unclear. Here we examined if TRAIL could attenuate vascular oxidative stress and improve endothelial cell (EC) function. In coronary artery disease patients, plasma TRAIL levels were significantly reduced compared to healthy individuals, and negatively correlated with the levels of circulating 8-iso Prostaglandin F2α, a marker of in vivo oxidative stress. In vivo, high-fat fed, atherosclerotic Trail-/-Apoe-/- mice exhibited a significant impairment in endothelial-dependent vasorelaxation, which correlated with increased vascular ROS and 4-hydroxynonenal compared to Apoe-/- mice. Endothelial permeability measured by Evan's blue dye extravasation was increased in several organs of Trail-/- mice compared to wild-type mice, which correlated with a decrease in VE-cadherin expression. In vitro in ECs, angiotensin II (AngII)-induced ROS generation involving the mitochondria, NADPH oxidase-4 (NOX-4) and eNOS, was inhibited by pre-treatment with TRAIL. Furthermore, AngII-augmented VCAM-1 expression and monocyte adhesion to ECs was inhibited by TRAIL. Finally, AngII reduced VE-cadherin expression and redistributed this protein, all of which was brought back to baseline by TRAIL pre-treatment. These findings demonstrate for the first time that TRAIL protects against several forms of endothelial dysfunction involving its ability to control EC ROS generation. Understanding the role TRAIL plays in normal physiology and disease, may lead to potential new therapies to improve endothelial function and atherosclerosis.
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Affiliation(s)
- Pradeep Manuneedhi Cholan
- Heart Research Institute, Sydney 2042, Australia; Sydney Medical School, The University of Sydney, Sydney 2006, Australia
| | - Siân P Cartland
- Heart Research Institute, Sydney 2042, Australia; Sydney Medical School, The University of Sydney, Sydney 2006, Australia
| | - Lei Dang
- School of Medical Sciences, University of New South Wales, Sydney 2052, Australia
| | - Benjamin S Rayner
- Heart Research Institute, Sydney 2042, Australia; Sydney Medical School, The University of Sydney, Sydney 2006, Australia
| | - Sanjay Patel
- Sydney Medical School, The University of Sydney, Sydney 2006, Australia; Department of Cardiology, Royal Prince Alfred Hospital, Sydney, Australia
| | - Shane R Thomas
- School of Medical Sciences, University of New South Wales, Sydney 2052, Australia
| | - Mary M Kavurma
- Heart Research Institute, Sydney 2042, Australia; Sydney Medical School, The University of Sydney, Sydney 2006, Australia.
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Fagot D, Pham DM, Laboureau J, Planel E, Guerin L, Nègre C, Donovan M, Bernard BA. Crocin, a natural molecule with potentially beneficial effects against skin ageing. Int J Cosmet Sci 2018; 40:388-400. [PMID: 29893408 DOI: 10.1111/ics.12472] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 06/08/2018] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Oxidative stress and low-grade chronic inflammation stand out as key features of physiological skin ageing. The aim of this study was to examine in normal human epidermal keratinocytes (NHEK) and human dermal fibroblasts (HDF) grown in vitro, the antioxidant and anti-inflammatory properties of crocin, a carotenoid glycoside responsible for the colour of saffron. Moreover, considering the newly emerging field of skin glycobiology and the presence of two gentiobiosyl moieties in crocin, the effect of crocin on NHEK glycosylation pathways was for the first time investigated. METHODS The anti-inflammatory and antioxidant activities of crocin were evaluated by in vitro assays of antioxidation activities, ELISA and microarray analysis. The effect of crocin on keratinocyte glycobiology was evaluated by proprietary GLYcoDiag lectin technologies and microarray analysis. RESULTS Crocin is endowed with antioxidant potential against reactive oxygen species, protects squalene against UVA-induced peroxidation and prevents the release of inflammatory mediators. The expression of NF-kB-related genes and glycosylation-related genes is modulated in the presence of crocin. CONCLUSION Results could designate this molecule as a promising skin ageing prevention cosmetic agent. Of note, some of these effects could be mediated by protein O-glycosylation and interaction of crocin with osidic receptors of keratinocytes.
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Affiliation(s)
- D Fagot
- L'Oréal R & I, Aulnay-sous-Bois, France
| | - D M Pham
- L'Oréal R & I, Campus Chevilly, 188-200, rue Paul Hochart, 94550, Chevilly-Larue, France
| | - J Laboureau
- L'Oréal R & I, Campus Chevilly, 188-200, rue Paul Hochart, 94550, Chevilly-Larue, France
| | - E Planel
- L'Oréal R & I, Aulnay-sous-Bois, France
| | - L Guerin
- L'Oréal R & I, Campus Chevilly, 188-200, rue Paul Hochart, 94550, Chevilly-Larue, France
| | - C Nègre
- YSL Beauté, Levallois, France
| | - M Donovan
- L'Oréal R & I, Aulnay-sous-Bois, France
| | - B A Bernard
- L'Oréal R & I, Campus Charels Zviak-RIO, 9 rue Pierre Dreyfus, 92110, Clichy, France
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Mboma J, Leblanc N, Angers P, Rocher A, Vigor C, Oger C, Reversat G, Vercauteren J, Galano JM, Durand T, Jacques H. Effects of Cyclic Fatty Acid Monomers from Heated Vegetable Oil on Markers of Inflammation and Oxidative Stress in Male Wistar Rats. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:7172-7180. [PMID: 29920087 DOI: 10.1021/acs.jafc.8b01836] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
This study assesses the effects of cyclic fatty acid monomers (CFAM) from heated vegetable oils on oxidative stress and inflammation. Wistar rats were fed either of these four diets for 28 days: canola oil (CO), canola oil and 0.5% CFAM (CC), soybean oil (SO), and soybean oil and 0.5% CFAM (SC). Markers of oxidative stress and inflammation were determined by micro liquid chromatography tandem mass spectrometry (micro-LC-MS/MS) and enzyme-linked immunosorbent assay (ELISA) kits, respectively. Analysis of variance (ANOVA) for a 2 × 2 factorial design was performed to determine the CFAM and oil effects and interactions between these two factors at P ≤ 0.05. For significant interactions, a post hoc multiple comparison test was performed, i.e., Tukey HSD (honest significant difference) test. CFAM induced higher plasma levels of 15-F2t-IsoP (CC, 396 ± 43 ng/mL, SC, 465 ± 75 ng/mL vs CO, 261 ± 23 ng/mL and SO, 288 ± 35 ng/mL, P < 0.05). Rats fed the SC diet had higher plasma 2,3-dinor-15-F2t-IsoP (SC, 145 ± 9 ng/mL vs CC, 84 ± 8 ng/mL, CO, 12 ± 1 ng/mL, and SO, 12 ± 1 ng/mL, P < 0.05), urinary 2,3-dinor-15-F2t-IsoP (SC, 117 ± 12 ng/mL vs CC, 67 ± 13 ng/mL, CO, 15 ± 2 ng/mL, and SO, 18 ± 4 ng/mL, P < 0.05), and plasma IL-6 (SC, 57 ± 10 pg/mL vs CC, 48 ± 11 pg/mL, CO, 46 ± 9 pg/mL, and SO, 44 ± 4 pg/mL, P < 0.05) than the other three diet groups. These results indicate that CFAM increased the levels of markers of oxidative stress, and those effects are exacerbated by a CFAM-high-linoleic acid diet.
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Affiliation(s)
| | - Nadine Leblanc
- Institute of Nutrition and Functional Foods , Laval University , 2440 Boulevard Hochelaga , Québec City , Québec G1V 0A6 , Canada
| | - Paul Angers
- Institute of Nutrition and Functional Foods , Laval University , 2440 Boulevard Hochelaga , Québec City , Québec G1V 0A6 , Canada
| | - Amandine Rocher
- Institut des Biomolécules Max Mousseron , UMR 5247-CNRS, Université de Montpellier , Faculté de Pharmacie, 15 Avenue Charles Flahault , BP 14491 Montpellier Cedex 05, Montpellier , 34093 , France
| | - Claire Vigor
- Institut des Biomolécules Max Mousseron , UMR 5247-CNRS, Université de Montpellier , Faculté de Pharmacie, 15 Avenue Charles Flahault , BP 14491 Montpellier Cedex 05, Montpellier , 34093 , France
| | - Camille Oger
- Institut des Biomolécules Max Mousseron , UMR 5247-CNRS, Université de Montpellier , Faculté de Pharmacie, 15 Avenue Charles Flahault , BP 14491 Montpellier Cedex 05, Montpellier , 34093 , France
| | - Guillaume Reversat
- Institut des Biomolécules Max Mousseron , UMR 5247-CNRS, Université de Montpellier , Faculté de Pharmacie, 15 Avenue Charles Flahault , BP 14491 Montpellier Cedex 05, Montpellier , 34093 , France
| | - Joseph Vercauteren
- Institut des Biomolécules Max Mousseron , UMR 5247-CNRS, Université de Montpellier , Faculté de Pharmacie, 15 Avenue Charles Flahault , BP 14491 Montpellier Cedex 05, Montpellier , 34093 , France
| | - Jean Marie Galano
- Institut des Biomolécules Max Mousseron , UMR 5247-CNRS, Université de Montpellier , Faculté de Pharmacie, 15 Avenue Charles Flahault , BP 14491 Montpellier Cedex 05, Montpellier , 34093 , France
| | - Thierry Durand
- Institut des Biomolécules Max Mousseron , UMR 5247-CNRS, Université de Montpellier , Faculté de Pharmacie, 15 Avenue Charles Flahault , BP 14491 Montpellier Cedex 05, Montpellier , 34093 , France
| | - Hélène Jacques
- Institute of Nutrition and Functional Foods , Laval University , 2440 Boulevard Hochelaga , Québec City , Québec G1V 0A6 , Canada
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Eick SM, Barrett ES, van’t Erve TJ, Nguyen RH, Bush NR, Milne G, Swan SH, Ferguson KK. Association between prenatal psychological stress and oxidative stress during pregnancy. Paediatr Perinat Epidemiol 2018; 32:318-326. [PMID: 29603338 PMCID: PMC6103836 DOI: 10.1111/ppe.12465] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND Prenatal psychological stress during pregnancy has been associated with adverse reproductive outcomes. A growing animal literature supports an association between psychological stress and oxidative stress. We assessed this relationship in pregnant women, hypothesising that psychological stress is associated with higher concentrations of oxidative stress biomarkers during pregnancy. METHODS Psychosocial status and stressful life events (SLE) were self-reported. 8-iso-prostaglandin F2α (8-iso-PGF2α ) was measured as a biomarker of oxidative stress in urine samples at median 32 weeks' gestation. We examined SLEs individually (ever vs never) and in summary (any vs none) and psychosocial status as measured by individual subscales and in summary (poor vs good). Linear models estimated associations between these parameters and urinary 8-iso-PGF2α concentrations after adjusting for covariates. RESULTS The geometric mean of 8-iso-PGF2α was significantly higher among pregnant women who were non-White, smokers, had less than a college education, higher pre-pregnancy BMI and were unmarried. Having ever had a death in the family (n = 39) during pregnancy was associated with a 22.9% increase in 8-iso-PGF2α in unadjusted models (95% confidence interval [CI] 1.50, 48.8). Poor psychosocial status was associated with a 13.1% (95% CI 2.43, 25.0) greater mean 8-iso-PGF2α in unadjusted analyses. Associations were attenuated, but remained suggestive, after covariate adjustment. CONCLUSIONS These data suggest that 8-iso-PGF2α is elevated in pregnant women with who are at a sociodemographic disadvantage and who have higher psychological stress in pregnancy. Previous studies have observed that 8-iso-PGF2α levels are associated with adverse birth outcomes, oxidative stress could be a mediator in these relationships.
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Affiliation(s)
- Stephanie M. Eick
- Department of Epidemiology and Biostatistics, College of Public Health, University of Georgia, Athens, GA
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC
| | - Emily S. Barrett
- Department of Epidemiology, Environmental and Occupational Health Sciences Institute, Rutgers School of Public Health, Piscataway, New Jersey, USA
- Department of Obstetrics and Gynecology, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA
| | - Thomas J. van’t Erve
- Immunity, Inflammation, and Disease Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC
| | - Ruby H.N. Nguyen
- Division of Epidemiology and Community Health, School of Public Health University of Minnesota, Minneapolis, MN, USA
| | - Nicole R. Bush
- Department of Psychiatry and Pediatrics, University of California, San Francisco, San Francisco, CA, USA
| | - Ginger Milne
- Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN 37232-6602, USA
| | - Shanna H. Swan
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Kelly K. Ferguson
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC
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García-Flores LA, Medina S, Gómez C, Wheelock CE, Cejuela R, Martínez-Sanz JM, Oger C, Galano JM, Durand T, Hernández-Sáez Á, Ferreres F, Gil-Izquierdo Á. Aronia-citrus juice (polyphenol-rich juice) intake and elite triathlon training: a lipidomic approach using representative oxylipins in urine. Food Funct 2018; 9:463-475. [PMID: 29231216 DOI: 10.1039/c7fo01409k] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
In the present study, we examined whether particular urinary oxylipins (isoprostanes (IsoPs), leukotrienes (LTs), prostaglandins (PGs), and thromboxanes (TXs)) in 16 elite triathletes could alter during 145 days of training. Within this time span, 45 days were dedicated to examining the effects of the intake of a beverage rich in polyphenols (one serving: 200 mL per day) supplemented in their diet. The beverage was a mixture of citrus juice (95%) and Aronia melanocarpa juice (5%) (ACJ). Fifty-two oxylipins were analyzed in the urine. The quantification was carried out using solid-phase extraction, liquid chromatography coupled with triple quadrupole mass spectrometry. The physical activity decreased the excretion of some PG, IsoP, TX, and LT metabolites from arachidonic acid, γ-dihomo-linolenic acid, and eicosapentaenoic acid. The ACJ also reduced the excretion of 2,3-dinor-11β-PGF2α and 11-dehydro-TXB2, although the levels of other metabolites increased after juice supplementation (PGE2, 15-keto-15-F2t-IsoP, 20-OH-PGE2, LTE4, and 15-epi-15-E2t-IsoP), compared to the placebo. The metabolites that increased in abundance have been related to vascular homeostasis and smooth muscle function, suggesting a positive effect on the cardiovascular system. In conclusion, exercise influences mainly the decrease in oxidative stress and the inflammation status in elite triathletes, while ACJ supplementation has a potential benefit regarding the cardiovascular system that is connected in a synergistic manner with elite physical activity.
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Affiliation(s)
- Libia Alejandra García-Flores
- Department of Food Science and Technology, CEBAS-CSIC, Campus de Espinardo, P.O. Box 164, 30100 Espinardo, Murcia, Spain.
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Radojewski M, Podgórski T, Pospieszna B, Kryściak J, Śliwicka E, Karolkiewicz J. Skeletal Muscle Cell Damage Indicators in Volleyball Players after the Competitive Phase of the Annual Training Cycle. J Hum Kinet 2018; 62:81-90. [PMID: 29922380 PMCID: PMC6006534 DOI: 10.1515/hukin-2017-0160] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The aim of the study was to evaluate the impact of the competitive phase on physiological and metabolic indices and selected markers of skeletal muscle damage in male volleyball players. The study group consisted of 24 young male volleyball players. During the study, participants underwent two series of measurements, before and after the competitive phase of the annual training cycle. In both study terms, players performed an incremental treadmill running test to determine their ventilatory threshold and maximal oxygen uptake. Venous and capillary blood samples were taken for biochemical analysis. There was no significant difference in the physical fitness level, values of biochemical variables and the level of antioxidant status in the surveyed athletes between the two study terms. Significant changes within skeletal muscle damage markers were observed between the beginning and the end of the competitive period: an increase in the concentration of cellular DNA damage products (8-hydroxy-2'-deoxyguanosine; p < 0.0001) and a decrease in muscle activity of creatine kinase (p<0.05). In spite of the increment in cell damage markers, the unaffected level of physiological and biochemical markers may indicate that the experienced cell destruction did not negatively affect the level of physical fitness. When designing the annual training plan, coaches and athletes need to take into consideration that temporary physiological states - oxidative stress and inflammation - may be required to attain training adaptation.
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Affiliation(s)
- Mateusz Radojewski
- Department of Biomedical Foundations of Physical Activity, University School of Physical Education in Poznań, Poznań, Poland
| | - Tomasz Podgórski
- Department of Biomedical Foundations of Physical Activity, University School of Physical Education in Poznań, Poznań, Poland
| | - Barbara Pospieszna
- Department of Tourism and Recreation, Adam Mickiewicz University in Poznań, Poznań, Poland
| | - Jakub Kryściak
- Department of Biomedical Foundations of Physical Activity, University School of Physical Education in Poznań, Poznań, Poland
| | - Ewa Śliwicka
- Department of Biomedical Foundations of Physical Activity, University School of Physical Education in Poznań, Poznań, Poland
| | - Joanna Karolkiewicz
- Department of Biomedical Foundations of Physical Activity, University School of Physical Education in Poznań, Poznań, Poland
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136
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Digested Early Preterm Human Milk Suppresses Tumor Necrosis Factor-induced Inflammation and Cytotoxicity in Intestinal Epithelial Cells. J Pediatr Gastroenterol Nutr 2018; 66:e153-e157. [PMID: 29470288 DOI: 10.1097/mpg.0000000000001932] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
OBJECTIVES The aim of this study was to determine the effect of digested whole human milk (HM; first sample available after birth from mothers of premature infants) on inflammation, oxidative stress, and cytotoxicity in Caco-2 human intestinal epithelial cells stimulated with lipopolysaccharides or tumor necrosis factor (TNF) to mimic the potential in vivo insults facing the premature infant's gastrointestinal tract. METHODS Fully differentiated Caco-2 cells were exposed to digested HM (n = 10; samples from 10 different individuals) before stimulation with lipopolysaccharides, TNF, or no stimulation overnight. Inflammation was determined by production of interleukin-8, oxidative stress by levels of F2-isoprostane, and cytotoxicity by released lactate dehydrogenase. RESULTS HM significantly suppressed interleukin-8 production and cytotoxicity in TNF-stimulated cells, while also suppressing cell death under baseline conditions. Individual HM samples differed widely in their ability to modulate cellular responses. CONCLUSIONS Results from this study provide evidence that digested HM can reduce both an exaggerated inflammatory response and intestinal damage that contribute to the pathogenesis of necrotizing enterocolitis.
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137
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Tang WW, McGee P, Lachin JM, Li DY, Hoogwerf B, Hazen SL, Nathan D, Zinman B, Crofford O, Genuth S, Brown‐Friday J, Crandall J, Engel H, Engel S, Martinez H, Phillips M, Reid M, Shamoon H, Sheindlin J, Gubitosi‐Klug R, Mayer L, Pendegast S, Zegarra H, Miller D, Singerman L, Smith‐Brewer S, Novak M, Quin J, Genuth S, Palmert M, Brown E, McConnell J, Pugsley P, Crawford P, Dahms W, Gregory N, Lackaye M, Kiss S, Chan R, Orlin A, Rubin M, Brillon D, Reppucci V, Lee T, Heinemann M, Chang S, Levy B, Jovanovic L, Richardson M, Bosco B, Dwoskin A, Hanna R, Barron S, Campbell R, Bhan A, Kruger D, Jones J, Edwards P, Bhan A, Carey J, Angus E, Thomas A, Galprin A, McLellan M, Whitehouse F, Bergenstal R, Johnson M, Gunyou K, Thomas L, Laechelt J, Hollander P, Spencer M, Kendall D, Cuddihy R, Callahan P, List S, Gott J, Rude N, Olson B, Franz M, Castle G, Birk R, Nelson J, Freking D, Gill L, Mestrezat W, Etzwiler D, Morgan K, Aiello L, Golden E, Arrigg P, Asuquo V, Beaser R, Bestourous L, Cavallerano J, Cavicchi R, Ganda O, Hamdy O, Kirby R, Murtha T, Schlossman D, Shah S, Sharuk G, Silva P, Silver P, Stockman M, Sun J, Weimann E, Wolpert H, Aiello L, Jacobson A, Rand L, Rosenzwieg J, Nathan D, Larkin M, Christofi M, Folino K, Godine J, Lou P, Stevens C, Anderson E, Bode H, Brink S, Cornish C, Cros D, Delahanty L, eManbey ., Haggan C, Lynch J, McKitrick C, Norman D, Moore D, Ong M, Taylor C, Zimbler D, Crowell S, Fritz S, Hansen K, Gauthier‐Kelly C, Service F, Ziegler G, Barkmeier A, Schmidt L, French B, Woodwick R, Rizza R, Schwenk W, Haymond M, Pach J, Mortenson J, Zimmerman B, Lucas A, Colligan R, Luttrell L, Lopes‐Virella M, Caulder S, Pittman C, Patel N, Lee K, Nutaitis M, Fernandes J, Hermayer K, Kwon S, Blevins A, Parker J, Colwell J, Lee D, Soule J, Lindsey P, Bracey M, Farr A, Elsing S, Thompson T, Selby J, Lyons T, Yacoub‐Wasef S, Szpiech M, Wood D, Mayfield R, Molitch M, Adelman D, Colson S, Jampol L, Lyon A, Gill M, Strugula Z, Kaminski L, Mirza R, Simjanoski E, Ryan D, Johnson C, Wallia A, Ajroud‐Driss S, Astelford P, Leloudes N, Degillio A, Schaefer B, Mudaliar S, Lorenzi G, Goldbaum M, Jones K, Prince M, Swenson M, Grant I, Reed R, Lyon R, Kolterman O, Giotta M, Clark T, Friedenberg G, Sivitz W, Vittetoe B, Kramer J, Bayless M, Zeitler R, Schrott H, Olson N, Snetselaar L, Hoffman R, MacIndoe J, Weingeist T, Fountain C, Miller R, Johnsonbaugh S, Patronas M, Carney M, Mendley S, Salemi P, Liss R, Hebdon M, Counts D, Donner T, Gordon J, Hemady R, Kowarski A, Ostrowski D, Steidl S, Jones B, Herman W, Martin C, Pop‐Busui R, Greene D, Stevens M, Burkhart N, Sandford T, Floyd J, Bantle J, Flaherty N, Terry J, Koozekanani D, Montezuma S, Wimmergren N, Rogness B, Mech M, Strand T, Olson J, McKenzie L, Kwong C, Goetz F, Warhol R, Hainsworth D, Goldstein D, Hitt S, Giangiacomo J, Schade D, Canady J, Burge M, Das A, Avery R, Ketai L, Chapin J, Schluter M, Rich J, Johannes C, Hornbeck D, Schutta M, Bourne P, Brucker A, Braunstein S, Schwartz S, Maschak‐Carey B, Baker L, Orchard T, Cimino L, Songer T, Doft B, Olson S, Becker D, Rubinstein D, Bergren R, Fruit J, Hyre R, Palmer C, Silvers N, Lobes L, Rath PP, Conrad P, Yalamanchi S, Wesche J, Bratkowksi M, Arslanian S, Rinkoff J, Warnicki J, Curtin D, Steinberg D, Vagstad G, Harris R, Steranchak L, Arch J, Kelly K, Ostrosaka P, Guiliani M, Good M, Williams T, Olsen K, Campbell A, Shipe C, Conwit R, Finegold D, Zaucha M, Drash A, Morrison A, Malone J, Bernal M, Pavan P, Grove N, Tanaka E, McMillan D, Vaccaro‐Kish J, Babbione L, Solc H, DeClue T, Dagogo‐Jack S, Wigley C, Ricks H, Kitabchi A, Chaum E, Murphy M, Moser S, Meyer D, Iannacone A, Yoser S, Bryer‐Ash M, Schussler S, Lambeth H, Raskin P, Strowig S, Basco M, Cercone S, Zinman B, Barnie A, Devenyi R, Mandelcorn M, Brent M, Rogers S, Gordon A, Bakshi N, Perkins B, Tuason L, Perdikaris F, Ehrlich R, Daneman D, Perlman K, Ferguson S, Palmer J, Fahlstrom R, de Boer I, Kinyoun J, Van Ottingham L, Catton S, Ginsberg J, McDonald C, Harth J, Driscoll M, Sheidow T, Mahon J, Canny C, Nicolle D, Colby P, Dupre J, Hramiak I, Rodger N, Jenner M, Smith T, Brown W, May M, Lipps Hagan J, Agarwal A, Adkins T, Lorenz R, Feman S, Survant L, White N, Levandoski L, Grand G, Thomas M, Joseph D, Blinder K, Shah G, Burgess D, Boniuk I, Santiago J, Tamborlane W, Gatcomb P, Stoessel K, Ramos P, Fong K, Ossorio P, Ahern J, Gubitosi‐Klug R, Meadema‐Mayer L, Beck C, Farrell K, Genuth S, Quin J, Gaston P, Palmert M, Trail R, Dahms W, Lachin J, Backlund J, Bebu I, Braffett B, Diminick L, Gao X, Hsu W, Klumpp K, Pan H, Trapani V, Cleary P, McGee P, Sun W, Villavicencio S, Anderson K, Dews L, Younes N, Rutledge B, Chan K, Rosenberg D, Petty B, Determan A, Kenny D, Williams C, Cowie C, Siebert C, Steffes M, Arends V, Bucksa J, Nowicki M, Chavers B, O'Leary D, Polak J, Harrington A, Funk L, Crow R, Gloeb B, Thomas S, O'Donnell C, Soliman E, Zhang Z, Li Y, Campbell C, Keasler L, Hensley S, Hu J, Barr M, Taylor T, Prineas R, Feldman E, Albers J, Low P, Sommer C, Nickander K, Speigelberg T, Pfiefer M, Schumer M, Moran M, Farquhar J, Ryan C, Sandstrom D, Williams T, Geckle M, Cupelli E, Thoma F, Burzuk B, Woodfill T, Danis R, Blodi B, Lawrence D, Wabers H, Gangaputra S, Neill S, Burger M, Dingledine J, Gama V, Sussman R, Davis M, Hubbard L, Budoff M, Darabian S, Rezaeian P, Wong N, Fox M, Oudiz R, Kim L, Detrano R, Cruickshanks K, Dalton D, Bainbridge K, Lima J, Bluemke D, Turkbey E, der Geest ., Liu C, Malayeri A, Jain A, Miao C, Chahal H, Jarboe R, Nathan D, Monnier V, Sell D, Strauch C, Hazen S, Pratt A, Tang W, Brunzell J, Purnell J, Natarajan R, Miao F, Zhang L, Chen Z, Paterson A, Boright A, Bull S, Sun L, Scherer S, Lopes‐Virella M, Lyons T, Jenkins A, Klein R, Virella G, Jaffa A, Carter R, Stoner J, Garvey W, Lackland D, Brabham M, McGee D, Zheng D, Mayfield R, Maynard J, Wessells H, Sarma A, Jacobson A, Dunn R, Holt S, Hotaling J, Kim C, Clemens Q, Brown J, McVary K. Oxidative Stress and Cardiovascular Risk in Type 1 Diabetes Mellitus: Insights From the DCCT/EDIC Study. J Am Heart Assoc 2018. [PMCID: PMC6015340 DOI: 10.1161/jaha.117.008368] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background
Hyperglycemia leading to increased oxidative stress is implicated in the increased risk for the development of macrovascular and microvascular complications in patients with type 1 diabetes mellitus.
Methods and Results
A random subcohort of 349 participants was selected from the
DCCT
/
EDIC
(Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications) cohort. This included 320 controls and 29 cardiovascular disease cases that were augmented with 98 additional known cases to yield a case cohort of 447 participants (320 controls, 127 cases). Biosamples from
DCCT
baseline, year 1, and closeout of
DCCT
, and 1 to 2 years post‐
DCCT
(
EDIC
years 1 and 2) were measured for markers of oxidative stress, including plasma myeloperoxidase, paraoxonase activity, urinary F
2α
isoprostanes, and its metabolite, 2,3 dinor‐8
iso
prostaglandin F
2α
. Following adjustment for glycated hemoblobin and weighting the observations inversely proportional to the sampling selection probabilities, higher paraoxonase activity, reflective of antioxidant activity, and 2,3 dinor‐8
iso
prostaglandin F
2α
, an oxidative marker, were significantly associated with lower risk of cardiovascular disease (−4.5% risk for 10% higher paraoxonase,
P
<0.003; −5.3% risk for 10% higher 2,3 dinor‐8
iso
prostaglandin F
2α
,
P
=0.0092). In contrast, the oxidative markers myeloperoxidase and F
2α
isoprostanes were not significantly associated with cardiovascular disease after adjustment for glycated hemoblobin. There were no significant differences between
DCCT
intensive and conventional treatment groups in the change in all biomarkers across time segments.
Conclusions
Heightened antioxidant activity (rather than diminished oxidative stress markers) is associated with lower cardiovascular disease risk in type 1 diabetes mellitus, but these biomarkers did not change over time with intensification of glycemic control.
Clinical Trial Registration
URL
:
https://www.clinicaltrials.gov
. Unique identifiers:
NCT
00360815 and
NCT
00360893.
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Affiliation(s)
- W.H. Wilson Tang
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
- Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH
| | - Paula McGee
- The Biostatistics Center, George Washington University, Rockville, MD
| | - John M. Lachin
- The Biostatistics Center, George Washington University, Rockville, MD
| | - Daniel Y. Li
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
| | | | - Stanley L. Hazen
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
- Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH
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138
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Chen Y, Fantuzzi G, Schoeny M, Meier P, Patel AL. High‐Dose Human Milk Feedings Decrease Oxidative Stress in Premature Infant. JPEN J Parenter Enteral Nutr 2018; 43:126-132. [DOI: 10.1002/jpen.1178] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 03/29/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Yimin Chen
- Department of Kinesiology and Nutrition University of Illinois at Chicago Chicago Illinois USA
- Department of Clinical Nutrition Rush University Chicago Illinois USA
| | - Giamila Fantuzzi
- Department of Kinesiology and Nutrition University of Illinois at Chicago Chicago Illinois USA
| | | | - Paula Meier
- Department of Pediatrics and Women, Children and Family Nursing Rush University Chicago Illinois USA
| | - Aloka L. Patel
- Department of Pediatrics, Section of Neonatology Rush University Children's Hospital Chicago Illinois USA
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139
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Marie-Desvergne C, Dubosson M, Mossuz VC. Evaluation of a new method for the collection and measurement of 8-isoprostane in exhaled breath for future application in nanoparticle exposure biomonitoring. J Breath Res 2018; 12:031001. [PMID: 29651988 DOI: 10.1088/1752-7163/aabdf2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND In the field of nanoparticle exposure biomonitoring, oxidative stress biomarkers measured in exhaled breath condensate appear promising to detect early respiratory effects in workers handling nanomaterials. However, condensation is known for its poor efficiency in collecting non-volatiles in exhaled breath, leading to the low sensitivity of such measurements. Moreover, to be easily used in field studies on large groups of workers, the collection device must be disposable and convenient. OBJECTIVES In this study, we have tested a totally disposable commercial device that allows for the easy dry collection of exhaled air after filtration on a patented filter. The suitability and efficiency of the SensAbues (SB) device for collecting 8-isoprostane were evaluated and compared to the RTube (RT). METHODS Seven healthy volunteers performed two 15 min collections of exhaled breath, one with the SB and one with the RT. Blank devices were used to determine the background levels induced by each device. 8-isoprostane was measured in all samples using an EIA technique. RESULTS The levels of 8-isoprostane in the exhaled breath of volunteers after collection with the SB were significantly higher than those after collection with the RT. Moreover, the levels obtained in volunteers with the SB were significantly higher than background levels obtained in blank devices, which was not the case for the RT. CONCLUSIONS This is the first study to report the ability of the SB device to collect and measure 8-isoprostane in exhaled breath. The proposed method offers better sensitivity than a classical collection with the RT device and should be further explored before future application in biomonitoring studies.
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Affiliation(s)
- Caroline Marie-Desvergne
- Univ. Grenoble Alpes, F-38000 France. CEA, NanoSafety Platform (SPNS), Medical Biology Laboratory (LBM), 17 rue des martyrs, F-38054 Grenoble, France
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140
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Ahn B, Pharaoh G, Premkumar P, Huseman K, Ranjit R, Kinter M, Szweda L, Kiss T, Fulop G, Tarantini S, Csiszar A, Ungvari Z, Van Remmen H. Nrf2 deficiency exacerbates age-related contractile dysfunction and loss of skeletal muscle mass. Redox Biol 2018; 17:47-58. [PMID: 29673700 PMCID: PMC6006677 DOI: 10.1016/j.redox.2018.04.004] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Revised: 04/01/2018] [Accepted: 04/03/2018] [Indexed: 12/21/2022] Open
Affiliation(s)
- Bumsoo Ahn
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Gavin Pharaoh
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA; Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Pavithra Premkumar
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Kendra Huseman
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Rojina Ranjit
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Michael Kinter
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA; Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Luke Szweda
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Tamas Kiss
- Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Gabor Fulop
- Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA; Translational Geroscience Laboratory, Donald W. Reynolds Department of Geriatric Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Stefano Tarantini
- Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA; Translational Geroscience Laboratory, Donald W. Reynolds Department of Geriatric Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Anna Csiszar
- Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA; Translational Geroscience Laboratory, Donald W. Reynolds Department of Geriatric Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Zoltan Ungvari
- Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA; Translational Geroscience Laboratory, Donald W. Reynolds Department of Geriatric Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Holly Van Remmen
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA; Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA; Oklahoma City VA Medical Center, Oklahoma City, OK, USA.
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141
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Havet A, Zerimech F, Sanchez M, Siroux V, Le Moual N, Brunekreef B, Stempfelet M, Künzli N, Jacquemin B, Matran R, Nadif R. Outdoor air pollution, exhaled 8-isoprostane and current asthma in adults: the EGEA study. Eur Respir J 2018; 51:13993003.02036-2017. [PMID: 29618600 DOI: 10.1183/13993003.02036-2017] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 02/22/2018] [Indexed: 01/05/2023]
Abstract
Associations between outdoor air pollution and asthma in adults are still scarce, and the underlying biological mechanisms are poorly understood. Our aim was to study the associations between 1) long-term exposure to outdoor air pollution and current asthma, 2) exhaled 8-isoprostane (8-iso; a biomarker related to oxidative stress) and current asthma, and 3) outdoor air pollution and exhaled 8-iso.Cross-sectional analyses were conducted in 608 adults (39% with current asthma) from the first follow-up of the French case-control and family study on asthma (EGEA; the Epidemiological study of the Genetic and Environmental factors of Asthma). Data on nitrogen dioxide, nitrogen oxides, particulate matter with a diameter ≤10 and ≤2.5 µm (PM10 and PM2.5), road traffic, and ozone (O3) were from ESCAPE (European Study of Cohorts for Air Pollution Effects) and IFEN (French Institute for the Environment) assessments. Models took account of city and familial dependence.The risk of current asthma increased with traffic intensity (adjusted (a)OR 1.09 (95% CI 1.00-1.18) per 5000 vehicles per day), with O3 exposure (aOR 2.04 (95% CI 1.27-3.29) per 10 µg·m-3) and with exhaled 8-iso concentration (aOR 1.50 (95% CI 1.06-2.12) per 1 pg·mL-1). Among participants without asthma, exhaled 8-iso concentration increased with PM2.5 exposure (adjusted (a)β 0.23 (95% CI 0.005-0.46) per 5 µg·m-3), and decreased with O3 and O3-summer exposures (aβ -0.20 (95% CI -0.39- -0.01) and aβ -0.52 (95% CI -0.77- -0.26) per 10 µg·m-3, respectively).Our results add new insights into a potential role of oxidative stress in the associations between outdoor air pollution and asthma in adults.
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Affiliation(s)
- Anaïs Havet
- INSERM U1168, VIMA (Aging and Chronic Diseases: Epidemiological and Public Health Approaches), Villejuif, France.,Université Versailles St-Quentin-en-Yvelines, UMRS 1168, Montigny-le-Bretonneux, France
| | - Farid Zerimech
- Pôle de Biologie Pathologie Génétique, Laboratoire de Biochimie et Biologie Moléculaire, CHU de Lille, Lille, France
| | - Margaux Sanchez
- ISGlobal, Centre for Research in Environmental Epidemiology, Universitat Pompeu Fabra, CIBER Epidemiología y Salud Pública, Barcelona, Spain
| | - Valérie Siroux
- Equipe d'Epidémiologie Environnementale, Institute for Advanced Biosciences, Centre de Recherche UGA, INSERM U1209, CNRS UMR 5309, Grenoble, France
| | - Nicole Le Moual
- INSERM U1168, VIMA (Aging and Chronic Diseases: Epidemiological and Public Health Approaches), Villejuif, France.,Université Versailles St-Quentin-en-Yvelines, UMRS 1168, Montigny-le-Bretonneux, France
| | - Bert Brunekreef
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands.,Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Nino Künzli
- Swiss Tropical and Public Health Institute, Basel, Switzerland.,University of Basel, Basel, Switzerland
| | - Bénédicte Jacquemin
- INSERM U1168, VIMA (Aging and Chronic Diseases: Epidemiological and Public Health Approaches), Villejuif, France.,Université Versailles St-Quentin-en-Yvelines, UMRS 1168, Montigny-le-Bretonneux, France
| | - Régis Matran
- Université Lille and CHU de Lille, Lille, France.,These authors are joint last authors
| | - Rachel Nadif
- INSERM U1168, VIMA (Aging and Chronic Diseases: Epidemiological and Public Health Approaches), Villejuif, France.,Université Versailles St-Quentin-en-Yvelines, UMRS 1168, Montigny-le-Bretonneux, France.,These authors are joint last authors
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142
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Lv D, Zhou Q, Xia Y, You X, Zhao Z, Li Y, Zou H. The Association Between Oxidative Stress Alleviation via Sulforaphane-Induced Nrf2-HO-1/NQO-1 Signaling Pathway Activation and Chronic Renal Allograft Dysfunction Improvement. Kidney Blood Press Res 2018; 43:191-205. [DOI: 10.1159/000487501] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 02/08/2018] [Indexed: 11/19/2022] Open
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143
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Downey LA, Simpson T, Timmer J, Nolidin K, Croft K, Wesnes KA, Scholey A, Deleuil S, Stough C. Impaired verbal episodic memory in healthy older adults is marked by increased F 2-Isoprostanes. Prostaglandins Leukot Essent Fatty Acids 2018; 129:32-37. [PMID: 29482768 DOI: 10.1016/j.plefa.2018.02.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 01/21/2018] [Accepted: 02/01/2018] [Indexed: 12/21/2022]
Abstract
Age-associated cognitive decline amongst otherwise healthy older individuals is a multifaceted characteristic of ageing. The role of oxidative stress biomarkers has been increasingly examined in the context of pathological aging conditions that affect cognition. Plasma F2-Isoprostane levels are a reliable index of systemic oxidative stress (specifically lipid peroxidation) and are elevated in dementia patients. Less is known about their role in healthy cognitive ageing. This study evaluated the relationship between F2-Isoprostanes and cognitive functioning in a cohort of 211 healthy elderly adults (60-75 years: Male; 88, Female; 123). Cognitive assessment included the Cognitive Drug Research (CDR) computerised assessment battery, which produces five validated factor scores (corresponding to 'Quality of Episodic Memory', 'Speed of Memory', Quality of Working Memory', Power of Attention' and 'Continuity of Attention'). Participants with higher F2-Isoprostane levels had significantly lower Quality of Episodic Memory scores (suggesting inferior abilities in retaining and retrieving verbal information in episodic memory). This is, to our knowledge, the first report of compromised verbal episodic memory in healthy ageing humans being linked to increased levels of F2-Isoprostanes. These results have relevance for interventions aimed at improving cognitive performance in the healthy elderly.
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Affiliation(s)
- Luke A Downey
- Centre for Human Psychopharmacology, Swinburne University of Technology, Melbourne, Australia; Institute for Breathing and Sleep, Austin Hospital, Melbourne, Australia.
| | - Tamara Simpson
- Centre for Human Psychopharmacology, Swinburne University of Technology, Melbourne, Australia
| | - Jorinde Timmer
- Centre for Human Psychopharmacology, Swinburne University of Technology, Melbourne, Australia
| | - Karen Nolidin
- Centre for Human Psychopharmacology, Swinburne University of Technology, Melbourne, Australia
| | - Kevin Croft
- School of Medicine and Pharmacology Royal Perth Hospital Unit, The University of Western Australia, Australia
| | - Keith A Wesnes
- Centre for Human Psychopharmacology, Swinburne University of Technology, Melbourne, Australia; Wesnes Cognition Ltd, Streatley on Thames, UK; Medical School, University of Exeter, UK
| | - Andrew Scholey
- Centre for Human Psychopharmacology, Swinburne University of Technology, Melbourne, Australia
| | - Saurenne Deleuil
- Centre for Human Psychopharmacology, Swinburne University of Technology, Melbourne, Australia
| | - Con Stough
- Centre for Human Psychopharmacology, Swinburne University of Technology, Melbourne, Australia.
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144
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Saha MR, Dey P, Sarkar I, De Sarker D, Haldar B, Chaudhuri TK, Sen A. Acacia nilotica leaf improves insulin resistance and hyperglycemia associated acute hepatic injury and nephrotoxicity by improving systemic antioxidant status in diabetic mice. JOURNAL OF ETHNOPHARMACOLOGY 2018; 210:275-286. [PMID: 28859934 DOI: 10.1016/j.jep.2017.08.036] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 08/21/2017] [Accepted: 08/27/2017] [Indexed: 06/07/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Acacia nilotica (L.) Delile is used as a traditional anti-diabetic remedy in Bangladesh, Pakistan, Egypt, Nigeria and is mentioned in Ayurveda as well. AIM The objective of the study was to evaluate the ethnomedicinal claim of A. nilotica leaf (ANL) extract for its efficiency in ameliorating diabetic complications. MATERIALS AND METHODS ANL was orally administrated (50 and 200mg/kg) to alloxanized mice (blood glucose > 200mg/dL) for 20d. Parameters of glucose metabolism, hepatotoxicity, hyperlipidemia and nephrotoxicity were measured with emphasis on elevated oxidative stress. ANL was chemically characterized using GC-MS. Further, docking studies were employed to predict molecular interactions. RESULTS ANL lowered (65%, P< 0.001) systemic glucose load in diabetic mice, which was otherwise 398% higher than control. ANL lowered (35%) insulin resistance, without any significant effect on insulin sensitivity (P> 0.05). Anti-hyperglycemic properties of ANL was further supported by lowering of HbA1c (34%; P< 0.001) and improved glucose utilization (OGTT). Overall diabetic complications were mitigated as reflected by lowered hepatic (ALT, AST) and renal (creatinine, BUN) injury markers and normalization of dyslipidemia. Elevated systemic oxidative stress was lowered by increased catalase and peroxidase activities in liver, kidney and skeletal muscle, resulting in 32% decrease of serum MDA levels. Apart from high phenolic and flavonoid content, tocopherol, catechol and β-sitosterol, identified in ANL, demonstrated substantial binding affinity with Nrf2 protein (5FNQ) reflecting possible crosstalk with intracellular antioxidant defense pathways. CONCLUSION The present study revealed the potentials of A. nilotica to alleviate diabetes-related systemic complications by limiting oxidative stress which justified the ethnopharmacological antidiabetic claim.
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Affiliation(s)
- Manas Ranjan Saha
- Molecular Genetics Laboratory, Department of Botany, University of North Bengal, Siliguri 734013, West Bengal, India.
| | - Priyankar Dey
- Cellular Immunology Laboratory, Department of Zoology, University of North Bengal, Siliguri 734013, West Bengal, India; Human Nutrition Program, Department of Human Sciences, Ohio State University, Columbus, OH 43210, USA.
| | - Indrani Sarkar
- Molecular Genetics Laboratory, Department of Botany, University of North Bengal, Siliguri 734013, West Bengal, India.
| | - Dilip De Sarker
- Department of Botany, Raiganj University, Raiganj 733134, West Bengal, India.
| | - Biswajit Haldar
- Department of Pathology, North Bengal Medical College, Sushrutnagar, Siliguri 734012, West Bengal, India.
| | - Tapas Kumar Chaudhuri
- Cellular Immunology Laboratory, Department of Zoology, University of North Bengal, Siliguri 734013, West Bengal, India.
| | - Arnab Sen
- Molecular Genetics Laboratory, Department of Botany, University of North Bengal, Siliguri 734013, West Bengal, India.
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145
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Da Silva MS, Bilodeau JF, Julien P, Rudkowska I. Dietary fats and F 2-isoprostanes: A review of the clinical evidence. Crit Rev Food Sci Nutr 2018; 57:3929-3941. [PMID: 27438347 DOI: 10.1080/10408398.2016.1196646] [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] [Indexed: 12/17/2022]
Abstract
Evidence supports that a high dietary fat intake increases oxidative stress and the risk of diet-induced metabolic disorders such as obesity, diabetes and cardiovascular diseases. F2-isoprostanes (F2-isoP) are formed by the non-enzymatic oxidation of arachidonic acid and are widely used as reliable biomarkers of oxidative stress in clinical studies. Dietary fats may influence F2-isoP levels, as they (1) are metabolic substrates for their formation, (2) modify the lipid composition of tissues, and (3) affect the plasma lipoprotein concentrations which are involved in F2-isoP transport. This review examined the latest clinical evidence on how dietary fats can affect blood circulation and excretion of F2-isoP in individuals with healthy or deteriorated metabolic profiles. Clinical studies reported that saturated or monounsaturated fat-rich diets did not affect F2-isoP levels in adults with healthy or deteriorated metabolic profiles. Though, ω-3 polyunsaturated fatty acids decreased F2-isoP levels in numerous studies, whereas trans-fatty acids raised F2-isoP excretion. Yet, the reported heterogeneous results reveal important considerations, such as the health status of the participants, the biological fluids used to determine F2-isoP, the analytical methods employed and the specific F2-isoP isomers detected. Therefore, future clinical studies should be designed in order to consider these issues in the studies of the effects of fat intake on oxidative stress.
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Affiliation(s)
- Marine S Da Silva
- a Endocrinology and Nephrology Unit , CHU de Québec Research Center, Université Laval , Quebec , QC , Canada.,c Department of Kinesiology, Faculty of Medecine , Université Laval , Quebec , QC , Canada
| | - Jean-François Bilodeau
- a Endocrinology and Nephrology Unit , CHU de Québec Research Center, Université Laval , Quebec , QC , Canada.,b Department of Medicine, Faculty of Medecine , Université Laval , Quebec , QC , Canada
| | - Pierre Julien
- a Endocrinology and Nephrology Unit , CHU de Québec Research Center, Université Laval , Quebec , QC , Canada.,b Department of Medicine, Faculty of Medecine , Université Laval , Quebec , QC , Canada
| | - Iwona Rudkowska
- a Endocrinology and Nephrology Unit , CHU de Québec Research Center, Université Laval , Quebec , QC , Canada.,c Department of Kinesiology, Faculty of Medecine , Université Laval , Quebec , QC , Canada
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146
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Zhang WQ, Tian Y, Chen XM, Wang LF, Chen CC, Qiu CM. Liraglutide ameliorates beta-cell function, alleviates oxidative stress and inhibits low grade inflammation in young patients with new-onset type 2 diabetes. Diabetol Metab Syndr 2018; 10:91. [PMID: 30564288 PMCID: PMC6296090 DOI: 10.1186/s13098-018-0392-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 12/11/2018] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The prevalence of type 2 diabetes in youth is escalating rapidly. We aimed to evaluate the effects of liraglutide on beta-cell function, metabolic productions of oxidative stress, low grade inflammation compared with metformin in young patients with recent onset type 2 diabetes mellitus. METHODS Sixty patients were randomly assigned to receive 8-week liraglutide or metformin treatment. Beta-cell function was assessed by modified beta cell function index (MBCI), early phase of insulin secretion index (ΔI30/ΔG30), proinsuin to insulin ratio (P/I) and the insulin area under the curve (AUCins). The expression of 8-OH-dG and 8-iso-PGF2α and hs-C-reactive protein (hs-CRP) were measured as indications of oxidative stress and low grade inflammation. RESULTS After 8 weeks liraglutide treatment, MBCI, ΔI30/ΔG30, AUCins significantly increased, 8-OH-dG, 8-iso-PGF2α, P/I and hs-CRP remarkably reduced. The differences before and after 8-week liraglutide treatment in ΔMBCI (11.1 [2.81, 43.08] vs 0.00 [- 8.16, 10.47], P = 0.017), ΔLNΔI30/ΔG30 (0.44 [0.04, 0.85] vs - 0.09 [- 0.33, 0.36], P = 0.049), ΔAUCins (117 [- 8, 376] vs - 21 [- 314, 109] mIU/L, P = 0.013), ΔP/I (- 0.05 [- 0.09, - 0.03] vs - 0.02 [- 0.04, 0.01], P = 0.026)were remarkably enhanced compared to those of the metformin therapy. The expression of 8-OH-dG, 8-iso-PGF2α and hs-CRP also decreased after 8-week metformin treatment. CONCLUSIONS These data demonstrated that liraglutide administration was more effective on ameliorating beta-cell function than metformin treatment in young patients with new-onset type 2 diabetes mellitus. Both liraglutide and metformin could alleviate the level of oxidative stress and attenuate low grade inflammatory, we speculate this effect may not the main mechanism of beta-cell function improvement by liraglutide in diabetic patients.Trial registration Chinese Clinical Trials registry, chiCTR1800018008, Registered 27 August 2018-retrospectively registered.
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Affiliation(s)
- Wen-qiang Zhang
- Department of Endocrinology and Metabolism, Zhongshan Hospital Xiamen University, 201-209 Hubin South Road, Xiamen, 361004 China
| | - Yuan Tian
- Department of Endocrinology and Metabolism, Zhongshan Hospital Xiamen University, 201-209 Hubin South Road, Xiamen, 361004 China
| | - Xiao-min Chen
- Department of Endocrinology and Metabolism, Zhongshan Hospital Xiamen University, 201-209 Hubin South Road, Xiamen, 361004 China
| | - Li-fen Wang
- Guangzhou Medicine University Second Affiliated Hospital, 250-296 Changgang East Road, Guangzhou, 510260 China
| | - Chan-chan Chen
- Department of Endocrinology and Metabolism, Zhongshan Hospital Xiamen University, 201-209 Hubin South Road, Xiamen, 361004 China
| | - Chuan-mei Qiu
- Department of Endocrinology and Metabolism, Zhongshan Hospital Xiamen University, 201-209 Hubin South Road, Xiamen, 361004 China
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147
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Changes in arterial pressure and markers of nitric oxide homeostasis and oxidative stress following surgical correction of hydronephrosis in children. Pediatr Nephrol 2018; 33:639-649. [PMID: 29196979 PMCID: PMC5859689 DOI: 10.1007/s00467-017-3848-4] [Citation(s) in RCA: 6] [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: 07/17/2017] [Revised: 10/02/2017] [Accepted: 10/30/2017] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Recent clinical studies have suggested an increased risk of elevated arterial pressure in patients with hydronephrosis. Animals with experimentally induced hydronephrosis develop hypertension, which is correlated to the degree of obstruction and increased oxidative stress. In this prospective study we investigated changes in arterial pressure, oxidative stress, and nitric oxide (NO) homeostasis following correction of hydronephrosis. METHODS Ambulatory arterial pressure (24 h) was monitored in pediatric patients with hydronephrosis (n = 15) before and after surgical correction, and the measurements were compared with arterial pressure measurements in two control groups, i.e. healthy controls (n = 8) and operated controls (n = 8). Markers of oxidative stress and NO homeostasis were analyzed in matched urine and plasma samples. RESULTS The preoperative mean arterial pressure was significantly higher in hydronephrotic patients [83 mmHg; 95% confidence interval (CI) 80-88 mmHg] than in healthy controls (74 mmHg; 95% CI 68-80 mmHg; p < 0.05), and surgical correction of ureteral obstruction reduced arterial pressure (76 mmHg; 95% CI 74-79 mmHg; p < 0.05). Markers of oxidative stress (i.e., 11-dehydroTXB2, PGF2α, 8-iso-PGF2α, 8,12-iso-iPF2α-VI) were significantly increased (p < 0.05) in patients with hydronephrosis compared with both control groups, and these were reduced following surgery (p < 0.05). Interestingly, there was a trend for increased NO synthase activity and signaling in hydronephrosis, which may indicate compensatory mechanism(s). CONCLUSION This study demonstrates increased arterial pressure and oxidative stress in children with hydronephrosis compared with healthy controls, which can be restored to normal levels by surgical correction of the obstruction. Once reference data on ambulatory blood pressure in this young age group become available, we hope cut-off values can be defined for deciding whether or not to correct hydronephrosis surgically.
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Ponnampalam EN, Hopkins DL, Giri K, Jacobs JL, Plozza T, Lewandowski P, Bekhit A. The use of oxidative stress biomarkers in live animals (in vivo) to predict meat quality deterioration postmortem (in vitro) caused by changes in muscle biochemical components. J Anim Sci 2017; 95:3012-3024. [PMID: 28727089 DOI: 10.2527/jas.2016.0887] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
This study was conducted to determine whether circulating concentrations of blood isoprostanes can be used as an effective biomarker in lambs to predict degradation of color and/or lipid stability in meat. Lambs ( = 84) were fed diets of either lucerne pasture, annual ryegrass pasture, a commercial feedlot pellet, or a combination of annual ryegrass and feedlot pellet for 8 wk, including a 2-wk adaptation period. Blood isoprostane concentration at wk 0, 4, 6 or 8 of feeding was determined. Blood isoprostane concentration for each animal was then correlated with muscle biochemical components that impact color and/or lipid oxidative status during retail display. This included lipid oxidation levels in muscle assessed by thiobarbituric acid reactive substances and meat redness determined by a HunterLab colorimetric spectrometer. Lambs that consumed the commercial feedlot pellet had a lower muscle vitamin E level (< 0.01) and a greater level of -6 PUFA ( < 0.001) compared with lambs finished on annual ryegrass or lucerne. Lipid oxidation levels were greatest for lambs finished on the feedlot ration, lowest in lambs finished on the ryegrass diet, and intermediate for lambs finished on lucerne and ryegrass-feedlot combination ( < 0.01). After 8 wk of feeding, blood isoprostane concentration was positively correlated with lipid oxidation of meat displayed for 72 h in simulated retail conditions ( < 0.01). There was a negative linear relationship between isoprostane concentration and muscle vitamin E concentration ( = 0.07), lipid oxidation and muscle vitamin E concentration ( < 0.01) but a positive linear relationship between isoprostane concentration and muscle -6 PUFA ( < 0.001) or lipid oxidation and muscle -6 PUFA concentration ( < 0.001). Blood isoprostane concentration and lipid oxidation in meat were influenced by muscle vitamin E and -6 PUFA but not by -3 PUFA. There was no significant relationship observed between blood isoprostane concentration at 0, 4, 6 or 8 wk feeding vs. overall meat color (redness of meat) at 0 and 72 h of display, stored under simulated retail conditions. The results indicate that circulating blood isoprostane concentration can be a useful tool to predict the oxidative status of postmortem meat. Future work will examine the impact of this relationship on meat flavor/aroma deterioration post farm.
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Keir JLA, Akhtar US, Matschke DMJ, Kirkham TL, Chan HM, Ayotte P, White PA, Blais JM. Elevated Exposures to Polycyclic Aromatic Hydrocarbons and Other Organic Mutagens in Ottawa Firefighters Participating in Emergency, On-Shift Fire Suppression. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:12745-12755. [PMID: 29043785 DOI: 10.1021/acs.est.7b02850] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Occupational exposures to combustion emissions were examined in Ottawa Fire Service (OFS) firefighters. Paired urine and dermal wipe samples (i.e., pre- and post-event) as well as personal air samples and fire event questionnaires were collected from 27 male OFS firefighters. A total of 18 OFS office workers were used as additional controls. Exposures to polycyclic aromatic hydrocarbons (PAHs) and other organic mutagens were assessed by quantification of urinary PAH metabolite levels, levels of PAHs in dermal wipes and personal air samples, and urinary mutagenicity using the Salmonella mutagenicity assay (Ames test). Urinary Clara Cell 16 (CC16) and 15-isoprostane F2t (8-iso-PGF2α) levels were used to assess lung injury and overall oxidative stress, respectively. The results showed significant 2.9- to 5.3-fold increases in average post-event levels of urinary PAH metabolites, depending on the PAH metabolite (p < 0.0001). Average post-event levels of urinary mutagenicity showed a significant, event-related 4.3-fold increase (p < 0.0001). Urinary CC16 and 8-iso-PGF2α did not increase. PAH concentrations in personal air and on skin accounted for 54% of the variation in fold changes of urinary PAH metabolites (p < 0.002). The results indicate that emergency, on-shift fire suppression is associated with significantly elevated exposures to combustion emissions.
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Affiliation(s)
- Jennifer L A Keir
- Department of Biology, University of Ottawa , 30 Marie Curie, Ottawa, Ontario K1N 6N5, Canada
| | - Umme S Akhtar
- Department of Biology, University of Ottawa , 30 Marie Curie, Ottawa, Ontario K1N 6N5, Canada
| | - David M J Matschke
- Ottawa Fire Services , 1445 Carling Avenue, Ottawa, Ontario K1Z 7L9, Canada
| | - Tracy L Kirkham
- Dalla Lana School of Public Health, University of Toronto , 155 College Street, Toronto, Ontario M5T 3M7, Canada
| | - Hing Man Chan
- Department of Biology, University of Ottawa , 30 Marie Curie, Ottawa, Ontario K1N 6N5, Canada
| | - Pierre Ayotte
- Centre de toxicologie du Québec, Institut national de santé publique du Québec and Université Laval , 945 Avenue Wolfe, Québec City, Québec G1V 5B3, Canada
| | - Paul A White
- Department of Biology, University of Ottawa , 30 Marie Curie, Ottawa, Ontario K1N 6N5, Canada
- Environmental Health Science and Research Bureau, Health Canada , 50 Colombine Driveway, Ottawa, Ontario K1A 0K9, Canada
| | - Jules M Blais
- Department of Biology, University of Ottawa , 30 Marie Curie, Ottawa, Ontario K1N 6N5, Canada
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8-Isoprostane is an early biomarker for oxidative stress in chlorine-induced acute lung injury. Toxicol Lett 2017; 282:1-7. [PMID: 29017959 DOI: 10.1016/j.toxlet.2017.10.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 10/04/2017] [Accepted: 10/06/2017] [Indexed: 11/21/2022]
Abstract
Inhalation of chlorine (Cl2) may cause oxidative acute lung injury (ALI) characterized by pulmonary edema, pneumonitis, and hyperreactive airways. The aim of the study was to identify possible biomarkers for Cl2-induced ALI. Female BALB/c mice were exposed to Cl2 for 15min using two protocols 1) concentration-dependent response (25-200ppm) and 2) time-kinetics (2h-14days post-exposure). Exposure to 50-200ppm Cl2 caused a concentration-dependent inflammatory response with increased expression of IL-1β, IL-6 and CXCL1/KC in bronchoalveolar lavage fluid 2-6h after exposure which was followed by increased lung permeability and a neutrophilic inflammation 12-24h post-exposure. The early inflammatory cytokine response was associated with a clear but transient increase of 8-isoprostane, a biomarker for oxidative stress, with its maximum at 2h after exposure. An increase of 8-isoprostane could also be detected in serum 2h after exposure to 200ppm Cl2, which was followed by increased levels of IL-6 and CXCL1/KC and signs of increased fibrinogen and PAI-1. Melphalan, a non-oxidizing mustard gas analog, did not increase the 8-isoprostane levels, indicating that 8-isoprostane is induced in airways through direct oxidation by Cl2. We conclude that 8-isoprostane represents an early biomarker for oxidative stress in airways and in the blood circulation following Cl2-exposure.
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