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do Nascimento MP, Marchiori Berlande B, Guedes Fraga Lopes M, Cardoso de Lima MF, Teodoro de Souza C, Leal de Oliveira MA. Malondialdehyde Analysis in Biological Samples by Capillary Electrophoresis: The State of Art. Crit Rev Anal Chem 2023:1-13. [PMID: 38147303 DOI: 10.1080/10408347.2023.2296948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
Lipid peroxidation occurs when substances, such as reactive oxygen species, attack lipids. Polyunsaturated fatty acids are the main targets. Several products are formed, including primary products such as lipid hydroperoxides and secondary products such as malondialdehyde (MDA), the most used lipid peroxidation biomarker. As MDA levels are elevated in several diseases, MDA is an essential indicator for assessing pathological states. The thiobarbituric acid reactive substances assay is the most widely used method for MDA determination. However, it lacks specificity. Capillary Electrophoresis (CE) is a separation technique that has been used to quantify MDA in biological samples. This technique has advantages such as the low amount of biological sample required, absence or low volume of organic solvent, short analysis time, separation of interferents, sample preparation step with only protein precipitation, and the possibility of direct detection of the MDA, without derivatization. To our knowledge, this review article is the first to show the CE background for analyzing MDA in biological samples. Therefore, given the potential of MDA in evaluating pathological states, this article demonstrates the potential of CE to become a reference method for MDA determination in clinical analysis laboratories, which will play a significant role in diagnosing and monitoring diseases.
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Affiliation(s)
- Maria Patrícia do Nascimento
- Grupo de Química Analítica e Quimiometria - GQAQ, Chemistry Department, Institute of Exact Sciences, Federal University of Juiz de Fora (UFJF), Juiz de Fora, Brazil
| | - Bruna Marchiori Berlande
- Grupo de Química Analítica e Quimiometria - GQAQ, Chemistry Department, Institute of Exact Sciences, Federal University of Juiz de Fora (UFJF), Juiz de Fora, Brazil
| | - Marina Guedes Fraga Lopes
- Post Graduate program in Health, Department of Internal Medicine, Medicine School, Federal University of Juiz de Fora, Juiz de Fora, Brazil
| | - Mário Flávio Cardoso de Lima
- Post Graduate program in Health, Department of Internal Medicine, Medicine School, Federal University of Juiz de Fora, Juiz de Fora, Brazil
| | - Claudio Teodoro de Souza
- Post Graduate program in Health, Department of Internal Medicine, Medicine School, Federal University of Juiz de Fora, Juiz de Fora, Brazil
| | - Marcone Augusto Leal de Oliveira
- Grupo de Química Analítica e Quimiometria - GQAQ, Chemistry Department, Institute of Exact Sciences, Federal University of Juiz de Fora (UFJF), Juiz de Fora, Brazil
- National Institute of Science and Technology for Bioanalytics - INCTBio, Institute of Chemistry, University of Campinas (UNICAMP), Campinas, Brazil
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Guan T, Feng J, Zhu Q, Wang L, Xie P, Wang H, Li J. Effects of abamectin on nonspecific immunity, antioxidation, and apoptosis in red swamp crayfish (Procambarus clarkii). FISH & SHELLFISH IMMUNOLOGY 2023; 142:109137. [PMID: 37827246 DOI: 10.1016/j.fsi.2023.109137] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/25/2023] [Accepted: 10/02/2023] [Indexed: 10/14/2023]
Abstract
Abamectin, a pesticide of 16-member macrocyclic lactones, is widely applied in agriculture. As an important environmental factor, pesticides pose a great threat to defense system in aquatic animals. Procambarus clarkii is one of the most important economic aquatic animals in China. It is necessary to explore the defense mechanism of P. clarkii to abamectin. In this study, P. clarkii were exposed to 0, 0.2, 0.4, 0.6 mg/L abamectin, immune- and antioxidant-related enzymes activities, genes expression levels, and histological observations were used to analyze the defense capacity of P. clarkii to abamectin. With increasing abamectin concentration, reactive oxygen species (ROS) level and malondiadehyde (MDA) content increased significantly. Meanwhiile, acid phosphate (ACP), alkaline phosphatase (AKP) activities, total haemocyte counts (THC), and Crustin expression level decreased significantly, superoxide dismutase (SOD), catalase (CAT) activities, total antioxidant capacity (T-AOC), and GPX expression level also decreased significantly. Hematoxylin & eosin (H&E) observation showed that with increasing abamectin concentration, hepatopancreas were damaged, especially membrane structure. Through TUNEL observation and apoptosis-related genes (PcCTSL, Bcl-2, Bax, BI-1, PcCytc, caspase-3) expression levels, with increasing abamectin concentration, apoptosis rate increased significantly. Results of this study indicated that abamectin caused oxidative damage to P. clarkii, resulting in damage to defense system, suppression of nonspecific immunity and antioxidation, and promotion of apoptosis. It provided theoretical basis for healthy P. clarkii culture, and for further study on defense mechanism of aquatic animals to pesticides.
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Affiliation(s)
- Tianyu Guan
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huai'an 223300, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China
| | - Jianbin Feng
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China
| | - Qianqian Zhu
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huai'an 223300, China
| | - Long Wang
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huai'an 223300, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China
| | - Peng Xie
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huai'an 223300, China
| | - Hui Wang
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huai'an 223300, China.
| | - Jiale Li
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China
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Hemmendinger M, Sauvain JJ, Hopf NB, Wild P, Suárez G, Guseva Canu I. Method Validation and Characterization of the Associated Uncertainty for Malondialdehyde Quantification in Exhaled Breath Condensate. Antioxidants (Basel) 2021; 10:antiox10111661. [PMID: 34829532 PMCID: PMC8615247 DOI: 10.3390/antiox10111661] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 10/14/2021] [Accepted: 10/20/2021] [Indexed: 11/16/2022] Open
Abstract
There are several methods for quantifying malondialdehyde (MDA), an oxidative stress biomarker, in exhaled breath condensate (EBC). However, due to the very diluted nature of this biological matrix, a high variability is observed at low concentrations. We aimed to optimize a 2,4-dinitrophenylhydrazine-based method using liquid chromatography coupled to tandem mass spectrometry and characterize the uncertainty associated with this method. We investigated the following parameters for the method validation: calibration linearity, limit of detection (LOD), precision, recovery, and matrix effect. The results were used to identify the main sources of uncertainty and calculating the combined uncertainty. The applicability of this method was evaluated in an ongoing epidemiological study by analyzing 164 EBC samples collected from different professional groups in subway environments. The optimized method was sensitive (LOD: 70 pg/mL), precise (inter-day variation < 19%) and accurate (recovery range: 92–106.5%). The calculated analytical uncertainty was the highest at the LOQ level and reached 23%. Although the analytical uncertainty was high at low MDA concentrations, it was significantly lower than that the observed inter-individual variability. Hence, this method performs sufficiently well and can be recommended for future use in epidemiological researches relying on between-subject differences.
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Affiliation(s)
- Maud Hemmendinger
- Center for Primary Care and Public Health (Unisanté), Department of Occupational and Environmental Health, University of Lausanne, 1066 Lausanne, Switzerland
| | - Jean-Jacques Sauvain
- Center for Primary Care and Public Health (Unisanté), Department of Occupational and Environmental Health, University of Lausanne, 1066 Lausanne, Switzerland
| | - Nancy B Hopf
- Center for Primary Care and Public Health (Unisanté), Department of Occupational and Environmental Health, University of Lausanne, 1066 Lausanne, Switzerland
| | - Pascal Wild
- National Research and Safety Institute (INRS), 54500 Vandœuvre-lès-Nancy, France
| | - Guillaume Suárez
- Center for Primary Care and Public Health (Unisanté), Department of Occupational and Environmental Health, University of Lausanne, 1066 Lausanne, Switzerland
| | - Irina Guseva Canu
- Center for Primary Care and Public Health (Unisanté), Department of Occupational and Environmental Health, University of Lausanne, 1066 Lausanne, Switzerland
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Chakrabarti R, Singh MK, Sharma JG, Mittal P. Dietary supplementation of vitamin C: an effective measure for protection against UV-B irradiation using fish as a model organism. Photochem Photobiol Sci 2019; 18:224-231. [PMID: 30444520 DOI: 10.1039/c8pp00481a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The development of UV-B protective mechanisms in aquacultural species is essential for the sustainable production of healthy aqua crop. Freshwater carp Catla catla larvae (13.5 ± 1.12 mg) were fed with a diet containing 0.5% vitamin C (D1) and a control diet (D2) for 40 days. Each group was exposed to two doses of UV-B irradiation: 360 (5 min, D15 min and D25 min) and 720 mJ cm-2 (10 min, D110 min and D210 min) for 15 days. Significantly (p < 0.05) higher survival and average weight were recorded in D1 compared to D2 exposed to the same dose. Also, significantly (p < 0.001) higher nitric oxide synthase and lower thiobarbituric acid reactive substances and heat shock protein 70 levels were recorded in D15 min compared to the other groups. A direct relationship was found between the dose of UV-B and DNA fragmentation in muscles. DNA damage indices such as tail DNA, tail extent moment and olive tail moment were significantly (p < 0.01) lower in D15 min. Thus, supplementation of vitamin C in the diet provides UV-B protection to larvae.
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Affiliation(s)
- R Chakrabarti
- Aqua Research Lab, Department of Zoology, University of Delhi, Delhi 110 007, India.
| | - M K Singh
- Aqua Research Lab, Department of Zoology, University of Delhi, Delhi 110 007, India.
| | - J G Sharma
- Department of Biotechnology, Delhi Technological University, Bawana Road, New Delhi 110042, India
| | - P Mittal
- Department of Mathematics, Satyawati College, University of Delhi, Delhi 110052, India
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Δ 9-Tetrahydrocannabinol Prevents Cardiovascular Dysfunction in STZ-Diabetic Wistar-Kyoto Rats. BIOMED RESEARCH INTERNATIONAL 2017; 2017:7974149. [PMID: 29181404 PMCID: PMC5664274 DOI: 10.1155/2017/7974149] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Accepted: 08/01/2017] [Indexed: 12/24/2022]
Abstract
The aim of this study was to determine if chronic, low-dose administration of a nonspecific cannabinoid receptor agonist could provide cardioprotective effects in a model of type I diabetes mellitus. Diabetes was induced in eight-week-old male Wistar-Kyoto rats via a single intravenous dose of streptozotocin (65 mg kg−1). Following the induction of diabetes, Δ9-tetrahydrocannabinol was administered via intraperitoneal injection (0.15 mg kg−1 day−1) for an eight-week period until the animals reached sixteen weeks of age. Upon completion of the treatment regime, assessments of vascular reactivity and left ventricular function and electrophysiology were made, as were serum markers of oxidative stress and lipid peroxidation. Δ9-Tetrahydrocannabinol administration to diabetic animals significantly reduced blood glucose concentrations and attenuated pathological changes in serum markers of oxidative stress and lipid peroxidation. Positive changes to biochemical indices in diabetic animals conferred improvements in myocardial and vascular function. This study demonstrates that chronic, low-dose administration of Δ9-tetrahydrocannabinol can elicit antihyperglycaemic and antioxidant effects in diabetic animals, leading to improvements in end organ function of the cardiovascular system. Implications from this study suggest that cannabinoid receptors may be a potential new target for the treatment of diabetes-induced cardiovascular disease.
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Mendonça R, Gning O, Di Cesaré C, Lachat L, Bennett NC, Helfenstein F, Glauser G. Sensitive and selective quantification of free and total malondialdehyde in plasma using UHPLC-HRMS. J Lipid Res 2017; 58:1924-1931. [PMID: 28694297 DOI: 10.1194/jlr.d076661] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 06/01/2017] [Indexed: 12/31/2022] Open
Abstract
Quantification of malondialdehyde (MDA) as a marker of lipid peroxidation is relevant for many research fields. We describe a new sensitive and selective method to measure free and total plasmatic MDA using derivatization with 2,4-dinitrophenylhydrazine (DNPH) and ultra-HPLC-high-resolution MS. Free and total MDA were extracted from minute sample amounts (10 μl) using acidic precipitation and alkaline hydrolysis followed by acidic precipitation, respectively. Derivatization was completed within 10 min at room temperature, and the excess DNPH discarded by liquid-liquid extraction. Quantification was achieved by internal standardization using dideuterated MDA as internal standard. The method's lowest limit of quantification was 100 nM and linearity spanned greater than three orders of magnitude. Intra- and inter-day precisions for total MDA were 2.9% and 3.0%, respectively, and those for free MDA were 12.8% and 24.9%, respectively. Accuracy was 101% and 107% at low and high concentrations, respectively. In human plasma, free MDA levels were 120 nM (SD 36.26) and total MDA levels were 6.7 μM (SD 0.46). In addition, we show the applicability of this method to measure MDA plasma levels from a variety of animal species, making it invaluable to scientists in various fields.
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Affiliation(s)
- Rute Mendonça
- Laboratory of Evolutionary Ecophysiology, Institute of Biology University of Neuchâtel, 2000 Neuchâtel, Switzerland.,Department of Zoology and Entomology, University of Pretoria, Pretoria 0002, South Africa
| | - Ophélie Gning
- Laboratory of Evolutionary Ecophysiology, Institute of Biology University of Neuchâtel, 2000 Neuchâtel, Switzerland
| | - Claudia Di Cesaré
- Neuchâtel Platform of Analytical Chemistry, University of Neuchâtel, 2000 Neuchâtel, Switzerland
| | - Laurence Lachat
- Neuchâtel Platform of Analytical Chemistry, University of Neuchâtel, 2000 Neuchâtel, Switzerland
| | - Nigel C Bennett
- Department of Zoology and Entomology, University of Pretoria, Pretoria 0002, South Africa
| | - Fabrice Helfenstein
- Laboratory of Evolutionary Ecophysiology, Institute of Biology University of Neuchâtel, 2000 Neuchâtel, Switzerland
| | - Gaétan Glauser
- Neuchâtel Platform of Analytical Chemistry, University of Neuchâtel, 2000 Neuchâtel, Switzerland
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Resveratrol prevents cardiovascular complications in the SHR/STZ rat by reductions in oxidative stress and inflammation. BIOMED RESEARCH INTERNATIONAL 2015; 2015:918123. [PMID: 25802871 PMCID: PMC4352727 DOI: 10.1155/2015/918123] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2014] [Accepted: 10/10/2014] [Indexed: 11/16/2022]
Abstract
The cardioprotective effects of resveratrol are well established in animal models of metabolic disease but are yet to be investigated in a combined model of hypertension and diabetes. This study investigated the ability of resveratrol's antioxidant and anti-inflammatory effects to prevent cardiovascular complications in the spontaneously hypertensive streptozotocin-induced diabetic rat. Diabetes was induced in eight-week-old male spontaneously hypertensive rats via a single intravenous injection of streptozotocin. Following this, resveratrol was administered orally for an eight-week period until the animals were sixteen weeks of age. Upon completion of the treatment regime assessments of oxidative stress, lipid peroxidation, inflammation, and cardiovascular function were made. Resveratrol administration to hypertensive-diabetic animals did not impact upon blood glucose or haemodynamics but significantly reduced oxidative stress, lipid peroxidation, and inflammatory cytokines. Reductions in systemic levels of oxidative stress and inflammation conferred improvements in vascular reactivity and left ventricular pump function and electrophysiology. This study demonstrates that resveratrol administration to hypertensive diabetic animals can elicit cardioprotective properties via antioxidant and anti-inflammatory effects. The observed preservation of cardiovascular function was independent of changes in blood glucose concentration and haemodynamics, suggesting that oxidative stress and inflammation are key components within the pathological cascade associated with hypertension and diabetes.
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Panseri S, Chiesa LM, Brizzolari A, Santaniello E, Passerò E, Biondi PA. Improved determination of malonaldehyde by high-performance liquid chromatography with UV detection as 2,3-diaminonaphthalene derivative. J Chromatogr B Analyt Technol Biomed Life Sci 2015; 976-977:91-5. [DOI: 10.1016/j.jchromb.2014.11.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2014] [Revised: 11/10/2014] [Accepted: 11/17/2014] [Indexed: 11/16/2022]
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Validation of the Analytical Procedure for the Determination of Malondialdehyde and Three Other Aldehydes in Vegetable Oil Using Liquid Chromatography Coupled to Tandem Mass Spectrometry (LC-MS/MS) and Application to Linseed Oil. FOOD ANAL METHOD 2014. [DOI: 10.1007/s12161-014-0028-z] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Williams JD, Bermudez Y, Park SL, Stratton SP, Uchida K, Hurst CA, Wondrak GT. Malondialdehyde-derived epitopes in human skin result from acute exposure to solar UV and occur in nonmelanoma skin cancer tissue. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2014; 132:56-65. [PMID: 24584085 PMCID: PMC3973651 DOI: 10.1016/j.jphotobiol.2014.01.019] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Revised: 01/14/2014] [Accepted: 01/28/2014] [Indexed: 01/08/2023]
Abstract
Cutaneous exposure to solar ultraviolet radiation (UVR) is a causative factor in photoaging and photocarcinogenesis. In human skin, oxidative stress is widely considered a key mechanism underlying the detrimental effects of acute and chronic UVR exposure. The lipid peroxidation product malondialdehyde (MDA) accumulates in tissue under conditions of increased oxidative stress, and the occurrence of MDA-derived protein epitopes, including dihydropyridine-lysine (DHP), has recently been substantiated in human skin. Here we demonstrate for the first time that acute exposure to sub-apoptogenic doses of solar simulated UV light (SSL) causes the formation of free MDA and protein-bound MDA-derived epitopes in cultured human HaCaT keratinocytes and healthy human skin. Immunohistochemical staining revealed that acute exposure to SSL is sufficient to cause an almost twenty-fold increase in general MDA- and specific DHP-epitope content in human skin. When compared to dose-matched solar simulated UVA, complete SSL was more efficient generating both free MDA and MDA-derived epitopes. Subsequent tissue microarray (TMA) analysis revealed the prevalence of MDA- and DHP-epitopes in nonmelanoma skin cancer (NMSC). In squamous cell carcinoma tissue, both MDA- and DHP-epitopes were increased more than threefold as compared to adjacent normal tissue. Taken together, these date demonstrate the occurrence of MDA-derived epitopes in both solar UVR-exposed healthy human skin and NMSC TMA tissue; however, the potential utility of these epitopes as novel biomarkers of cutaneous photodamage and a functional role in the process of skin photocarcinogenesis remain to be explored.
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Affiliation(s)
- Joshua D Williams
- The University of Arizona Cancer Center, University of Arizona, Tucson, AZ, USA; Department of Biomedical Engineering, College of Engineering, University of Arizona, Tucson, AZ, USA
| | - Yira Bermudez
- The University of Arizona Cancer Center, University of Arizona, Tucson, AZ, USA; Department of Medicine, University of Arizona, Tucson, AZ, USA
| | - Sophia L Park
- The University of Arizona Cancer Center, University of Arizona, Tucson, AZ, USA; Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, AZ, USA
| | - Steven P Stratton
- The University of Arizona Cancer Center, University of Arizona, Tucson, AZ, USA; Department of Medicine, University of Arizona, Tucson, AZ, USA
| | - Koji Uchida
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan
| | - Craig A Hurst
- Department of Surgery, College of Medicine, University of Arizona, Tucson, AZ, USA
| | - Georg T Wondrak
- The University of Arizona Cancer Center, University of Arizona, Tucson, AZ, USA; Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, AZ, USA.
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Nanoecotoxicity effects of engineered silver and gold nanoparticles in aquatic organisms. Trends Analyt Chem 2012. [DOI: 10.1016/j.trac.2011.09.007] [Citation(s) in RCA: 153] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Lushchak VI. Environmentally induced oxidative stress in aquatic animals. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2011; 101:13-30. [PMID: 21074869 DOI: 10.1016/j.aquatox.2010.10.006] [Citation(s) in RCA: 1371] [Impact Index Per Article: 105.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2010] [Revised: 10/04/2010] [Accepted: 10/11/2010] [Indexed: 05/23/2023]
Abstract
Reactive oxygen species (ROS) are an unenviable part of aerobic life. Their steady-state concentration is a balance between production and elimination providing certain steady-state ROS level. The dynamic equilibrium can be disturbed leading to enhanced ROS level and damage to cellular constituents which is called "oxidative stress". This review describes the general processes responsible for ROS generation in aquatic animals and critically analyses used markers for identification of oxidative stress. Changes in temperature, oxygen levels and salinity can cause the stress in natural and artificial conditions via induction of disbalance between ROS production and elimination. Human borne pollutants can also enhance ROS level in hydrobionts. The role of transition metal ions, such as copper, chromium, mercury and arsenic, and pesticides, namely insecticides, herbicides, and fungicides along with oil products in induction of oxidative stress is highlighted. Last years the research in biology of free radicals was refocused from only descriptive works to molecular mechanisms with particular interest to ones enhancing tolerance. The function of some transcription regulators (Keap1-Nrf2 and HIF-1α) in coordination of organisms' response to oxidative stress is discussed. The future directions in the field are related with more accurate description of oxidative stress, the identification of its general characteristics and mechanisms responsible for adaptation to the stress have been also discussed. The last part marks some perspectives in the study of oxidative stress in hydrobionts, which, in addition to classic use, became more and more popular to address general biological questions such as development, aging and pathologies.
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Affiliation(s)
- Volodymyr I Lushchak
- Department of Biochemistry and Biotechnology, Precarpathian National University named after Vassyl Stefanyk, Ivano-Frankivsk, Ukraine.
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Gube M, Ebel J, Brand P, Göen T, Holzinger K, Reisgen U, Kraus T. Biological effect markers in exhaled breath condensate and biomonitoring in welders: impact of smoking and protection equipment. Int Arch Occup Environ Health 2010; 83:803-11. [PMID: 20130903 DOI: 10.1007/s00420-010-0516-4] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2009] [Accepted: 01/19/2010] [Indexed: 10/19/2022]
Abstract
PURPOSE The objective of this study was to investigate the effect of welding as well as the impact of smoking and protection measures on biological effect markers in exhaled breath condensate. Additionally, biomonitoring of chromium, aluminium and nickel in urine was performed to quantify internal exposure. METHODS Exhaled breath condensate (EBC) and urine samples of 45 male welders and 24 male non-exposed control subjects were collected on Friday pre-shift and after 8 h of work post-shift. In EBC, biological effect markers such as malondialdehyde, nitrite, nitrate, 3-nitrotyrosine, tyrosine, hydroxyproline, proline, H(2)O(2) and pH-value were measured while aluminium, nickel, and chromium were measured in the urine samples. RESULTS Although internal exposure to aluminium, nickel and chromium in this study was low, welders showed significantly increased concentrations of all these parameters at baseline compared to non-exposed controls. Moreover, welders had higher nitrate concentrations in EBC at baseline and after shift. Nitrate concentration was considerably lower after shift if personal protection equipment was used. H(2)O(2) was increased only when subjects smoked during shift. CONCLUSION It has been shown that welding-associated long-term and short-term health effects could be detected in a population of welders. The results also showed that using personal protection equipment is of high importance and H(2)O(2) may be an effect marker associated with smoking rather than with welding fumes, while nitrate in EBC seems to be sensitive to welding fume exposure.
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Affiliation(s)
- Monika Gube
- Institute for Occupational and Social Medicine, Medical Faculty, RWTH Aachen University, Pauwelsstrasse 30, 52074 Aachen, Germany
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Arsova‐Sarafinovska Z, Aydin A, Sayal A, Eken A, Erdem O, Savaşer A, Erten K, Özgök Y, Dimovski A. Rapid and Simple Determination of Plasma and Erythrocyte MDA Levels in Prostate Cancer Patients by a Validated HPLC Method. J LIQ CHROMATOGR R T 2007. [DOI: 10.1080/10826070701465720] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
| | - Ahmet Aydin
- b Department of Toxicology , Gulhane Military Medical Academy , Etlik, Ankara, Turkey
| | - Ahmet Sayal
- b Department of Toxicology , Gulhane Military Medical Academy , Etlik, Ankara, Turkey
| | - Ayşe Eken
- b Department of Toxicology , Gulhane Military Medical Academy , Etlik, Ankara, Turkey
| | - Onur Erdem
- b Department of Toxicology , Gulhane Military Medical Academy , Etlik, Ankara, Turkey
| | - Ayhan Savaşer
- c Department of Pharmaceutical Technology , Gulhane Military Medical Academy , Etlik, Ankara, Turkey
| | - Koray Erten
- d Department of Urology , Gulhane Military Medical Academy , Etlik, Ankara, Turkey
| | - Yaşar Özgök
- d Department of Urology , Gulhane Military Medical Academy , Etlik, Ankara, Turkey
| | - Aleksandar Dimovski
- e Faculty of Pharmacy , Institute of Pharmaceutical Chemistry , Skopje, Macedonia
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Alper G, Olukman M, Irer S, Cağlayan O, Duman E, Yilmaz C, Ulker S. Effect of vitamin E and C supplementation combined with oral antidiabetic therapy on the endothelial dysfunction in the neonatally streptozotocin injected diabetic rat. Diabetes Metab Res Rev 2006; 22:190-7. [PMID: 16216038 DOI: 10.1002/dmrr.586] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND This study investigates the contribution of vitamin supplementation to the efficacy of oral antidiabetic therapy on the reversal of endothelial dysfunction in a model of type-2 diabetes in rat. METHODS Diabetes was induced by streptozotocin injection to neonatal rats which were breastfed for 4 weeks, then fed 6 weeks with normal food or food supplemented with 2% vitamin E and 4% vitamin C. Some diabetic rats were treated with gliclazide for 6 weeks. Endothelium-dependent and -independent relaxations to acetylcholine and sodium nitroprusside (SNP) were recorded in thoracic aortic rings. Plasma insulin, HbA(1c) and antioxidant vitamins (A, C and E); plasma and aortic malondialdehyde (MDA) levels were determined. RESULTS Induction of diabetes resulted in decreased body weight and increased blood glucose, plasma insulin and HbA(1c) levels compared to controls. Acetylcholine relaxation was impaired in diabetic aorta, while SNP relaxation remained unchanged. Aortic MDA level was significantly higher, while plasma vitamin levels were lower in diabetic rats. Diminished acetylcholine response, enhanced aortic MDA level and decreased plasma vitamin levels were all restored after gliclazide and/or vitamin therapy. However, vitamin supplementation in control rats significantly impaired acetylcholine relaxations and increased aortic MDA levels. CONCLUSIONS Apparently, a selective endothelial dysfunction accompanies the imbalance in oxidant/antioxidant status in the type-2 diabetes model of rat and gliclazide and/or vitamin supplementation improves the impairment in diabetic vasculature. However, vitamin supplementation triggers oxidative stress in normal aortic tissue, thereby, leads to endothelial dysfunction; indicating that nutritional extra-supplementation of antioxidant vitamins isn't advisable for normal subjects, although it's beneficial in disease status.
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Affiliation(s)
- Gülinnaz Alper
- Department of Biochemistry, Faculty of Medicine, Ege University, Izmir, Turkey.
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16
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Sangalli L, Chiesa LM, Passerò E, Manzocchi A, Maffeo G, Biondi PA. Improved procedure for the determination of malonaldehyde by gas-chromatography with electron-capture detection as 2,4,6-trichlorophenylhydrazine derivative. J Chromatogr B Analyt Technol Biomed Life Sci 2003; 796:201-7. [PMID: 14552832 DOI: 10.1016/j.jchromb.2003.08.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A previously described derivatization method using trichlorophenylhydrazine was developed for the estimation of malonaldehyde measured by gas-chromatography (GC) with electron-capture detection. The precision and reliability of the procedure are improved here by the use of methylmalonaldehyde as internal standard and by the introduction of a diverter valve at the end of the capillary column to protect the electron-capture detector, respectively. The method was applied to determine malonaldehyde content in bovine plasma samples.
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Affiliation(s)
- Lorenzo Sangalli
- Department of Veterinary Science and Technology for Food Safety, Faculty of Veterinary Medicine, University of Milan, Via Celoria 10, Milan 20133, Italy
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17
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Cighetti G, Allevi P, Anastasia L, Bortone L, Paroni R. Use of Methyl Malondialdehyde as an Internal Standard for Malondialdehyde Detection: Validation by Isotope-Dilution Gas Chromatography–Mass Spectrometry. Clin Chem 2002. [DOI: 10.1093/clinchem/48.12.2266] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Giuliana Cighetti
- Department of Medical Chemistry, Biochemistry and Biotechnology, School of Medicine, University of Milan, Via Saldini 50, 20133 Milan, Italy
| | - Pietro Allevi
- Dipartimento di Medicina, Chirurgia e Odontoiatria, Università di Milano, H. San Paolo, Via Di Rudini 8, 20142 Milan, Italy
| | - Luigi Anastasia
- Department of Chemistry, Purdue University, West Lafayette, IN 47907-1393
| | - Luana Bortone
- Department of Medical Chemistry, Biochemistry and Biotechnology, School of Medicine, University of Milan, Via Saldini 50, 20133 Milan, Italy
| | - Rita Paroni
- IRCCS H San Raffaele, Via Olgettina 60, 20132 Milan, Italy
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18
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Paroni R, Fermo I, Cighetti G. Validation of methyl malondialdehyde as internal standard for malondialdehyde detection by capillary electrophoresis. Anal Biochem 2002; 307:92-8. [PMID: 12137784 DOI: 10.1016/s0003-2697(02)00002-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The aim of this study was to validate, by capillary electrophoresis, the use of synthesized methyl malondialdehyde as the internal standard for the direct quantification of free and total (free+bound) malondialdehyde in biological samples. All analyses were performed in 20 cm x 50 microm uncoated capillaries at 20 degrees C, using 25 mmol/L borax (pH 9.3) and 5 mmol/L tetradecyltrimethylammonium bromide as running buffer. The applied voltage was -4kV (about 8 microA), the detector being set at 260 nm for a total run time of 8 min per sample. Free malondialdehyde was evaluated after acetonitrile extraction, while the samples evaluated for total malondialdehyde were, before extraction, hydrolyzed for 1h at 60 degrees C in the presence of 1 mol/L NaOH. The detection threshold was 0.2 micromol/L in microsomes and 0.4 micromol/L in plasma. As an application of the method, three pools of rat liver microsomes were quantified before (0.35+/-0.1 and 1.1+/-0.5 nmol/mg protein, free and total malondialdehyde, respectively, mean+/-SD) and after lipoperoxidation induction using systems able to generate oxygen free radicals (18.4+/-3.2 and 19.7+/-2.0 nmol/mg protein). The results were confirmed by isotopic dilution gas chromatography-mass spectrometry, used as the reference method. The feasibility of capillary electrophoresis for malondialdehyde determination in normal and pathological human plasma was also investigated.
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Affiliation(s)
- Rita Paroni
- Laboratory of Separative Techniques, Department of Laboratory Medicine, IRCCS H San Raffaele and School of Medicine, via Olgettina 60, 20132 Milan, Italy.
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