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Leemans M, Bauër P, Cuzuel V, Audureau E, Fromantin I. Volatile Organic Compounds Analysis as a Potential Novel Screening Tool for Breast Cancer: A Systematic Review. Biomark Insights 2022; 17:11772719221100709. [PMID: 35645556 PMCID: PMC9134002 DOI: 10.1177/11772719221100709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 04/19/2022] [Indexed: 11/17/2022] Open
Abstract
Introduction An early diagnosis is crucial in reducing mortality among people who have breast cancer (BC). There is a shortfall of characteristic early clinical symptoms in BC patients, highlighting the importance of investigating new methods for its early detection. A promising novel approach is the analysis of volatile organic compounds (VOCs) produced and emitted through the metabolism of cancer cells. Methods The purpose of this systematic review is to outline the published research regarding BC-associated VOCs. For this, headspace analysis of VOCs was explored in patient-derived body fluids, animal model-derived fluids, and BC cell lines to identify BC-specific VOCs. A systematic search in PubMed and Web of Science databases was conducted according to the PRISMA guidelines. Results Thirty-two studies met the criteria for inclusion in this review. Results highlight that VOC analysis can be promising as a potential novel screening tool. However, results of in vivo, in vitro and case-control studies have delivered inconsistent results leading to a lack of inter-matrix consensus between different VOC sampling methods. Discussion Discrepant VOC results among BC studies have been obtained, highly due to methodological discrepancies. Therefore, methodological issues leading to disparities have been reviewed and recommendations have been made on the standardisation of VOC collection and analysis methods for BC screening, thereby improving future VOC clinical validation studies.
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Affiliation(s)
| | - Pierre Bauër
- Institut Curie, Ensemble hospitalier, Unité Plaies et Cicatrisation, Paris, France
| | - Vincent Cuzuel
- Institut de Recherche Criminelle de la Gendarmerie Nationale, Caserne Lange, Cergy Pontoise Cedex, France
| | - Etienne Audureau
- Univ Paris Est Créteil, INSERM, IMRB, Créteil, France
- Assistance Publique – Hôpitaux de Paris, Hôpital Henri Mondor, Service de Santé Publique, Créteil, France
| | - Isabelle Fromantin
- Univ Paris Est Créteil, INSERM, IMRB, Créteil, France
- Institut Curie, Ensemble hospitalier, Unité Plaies et Cicatrisation, Paris, France
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Welearegay TG, Diouani MF, Österlund L, Borys S, Khaled S, Smadhi H, Ionescu F, Bouchekoua M, Aloui D, Laouini D, Cindemir U, Ionescu R. Diagnosis of Human Echinococcosis via Exhaled Breath Analysis: A Promise for Rapid Diagnosis of Infectious Diseases Caused by Helminths. J Infect Dis 2019; 219:101-109. [PMID: 30016445 DOI: 10.1093/infdis/jiy449] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Accepted: 07/13/2018] [Indexed: 01/02/2023] Open
Abstract
Background Human echinococcosis is a neglected infectious disease affecting more than 1 million people globally. Its diagnosis is expensive and difficult because of lack of adequate resources in low-resource locations, where most cases occur. Methods A group of volunteers diagnosed with the 2 main types of echinococcosis and corresponding control groups were recruited from hospitals in Tunisia (32 patients with cystic echinococcosis and 43 controls) and Poland (16 patients with alveolar echinococcosis and 8 controls). Breath samples were collected from all patients and analyzed by gas chromatography coupled to mass spectrometry, and a specifically developed electronic nose system. Results The chemical analysis revealed statistically different concentrations of 2 compounds in the breath of patients with cystic echinococcosis compared to controls, and statistically different concentrations of 7 compounds in the breath of patients with alveolar echinococcosis compared to controls. The discrimination accuracy achieved by the electronic nose system was 100% for cystic echinococcosis and 92.9% for alveolar echinococcosis, while the discrimination accuracy between these 2 patient groups was 92.1%. Conclusion Here we advocate a noninvasive, fast, easy-to-operate and nonexpensive diagnostic tool for the diagnosis of human echinococcosis disease through exhaled breath analysis, suitable for early diagnosis and population screening.
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Affiliation(s)
| | - Mohamed Fethi Diouani
- Laboratory of Epidemiology and Veterinary Microbiology, Institut Pasteur de Tunis, University Tunis El Manar, Tunis-Belvédère, Tunisia
| | - Lars Österlund
- Molecular Fingerprint AB Sweden, Uppsala.,Ångström Laboratory, Division of Solid State Physics, Department of Engineering Sciences, Uppsala University, Sweden
| | - Sebastian Borys
- University Centre of Maritime and Tropical Medicine, Gdynia-Redlowo, Poland
| | - Samira Khaled
- Parasitology-Mycology Laboratory, Charles Nicolle Hospital, Tunis
| | - Hanen Smadhi
- Ibn Nafis Pneumology Department, Abderrahman Mami Hospital, Ariana
| | - Florina Ionescu
- Department of Electronics, Electrical and Automatic Engineering, Rovira i Virgili University, Tarragona, Spain
| | | | - Dorsaf Aloui
- Parasitology-Mycology Laboratory, Charles Nicolle Hospital, Tunis
| | - Dhafer Laouini
- Laboratory of Transmission, Control and Immunobiology of Infections
| | - Umut Cindemir
- Molecular Fingerprint AB Sweden, Uppsala.,Ångström Laboratory, Division of Solid State Physics, Department of Engineering Sciences, Uppsala University, Sweden
| | - Radu Ionescu
- Department of Electronics, Electrical and Automatic Engineering, Rovira i Virgili University, Tarragona, Spain.,Ångström Laboratory, Division of Solid State Physics, Department of Engineering Sciences, Uppsala University, Sweden.,Institute of Macromolecular Chemistry "Petru Poni", Iasi, Romania
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Arakeri G, Boraks G, Aljabab AS, Patil SG, Merkx MAW, Brennan PA. Breath Alkane as an index of severity for oral submucous fibrosis: A new perspective? Med Hypotheses 2016; 98:18-20. [PMID: 28012596 DOI: 10.1016/j.mehy.2016.11.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Accepted: 11/16/2016] [Indexed: 10/20/2022]
Abstract
Oral submucous fibrosis (OSMF) is a devastating disease commonly seen in the Asian subcontinent that results in significant functional morbidity for patients and has a high potential for malignant transformation. Over the last three decades, different diagnostic methods have been described to quantify and grade OSMF severity. Some methods have been used with perceived favorable outcomes although recurrence and malignant transformation remains a problem in many cases, and OSMF presents a major therapeutic challenge. We present a simple, noninvasive and less time-consuming diagnostic method which measures the severity of OSMF, helping to predict its malignant transformation and monitoring the effect of medical therapy on this disease.
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Affiliation(s)
- Gururaj Arakeri
- Department of Oral and Maxillofacial Surgery, Navodaya Dental College and Hospital, Raichur, Karnataka, India.
| | - George Boraks
- Department of Oral and Maxillofacial Surgery and Oral Disease of Arnaldo Viera de Carvalho Cancer Institute, SP, Brazil
| | | | - Shekar Gowda Patil
- King Fahad Medical City, Department of Dentistry, Faculty of Dentistry, King Saud University, Riyadh, Saudi Arabia
| | - M A W Merkx
- Department of Oral and Maxillofacial Surgery, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Peter A Brennan
- Department of Oral & Maxillofacial Surgery, Queen Alexandra Hospital, Cosham, Portsmouth PO6 3LY, United Kingdom
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Hong JH, Lee WC, Hsu YM, Liang HJ, Wan CH, Chien CL, Lin CY. Characterization of the biochemical effects of naphthalene on the mouse respiratory system using NMR-based metabolomics. J Appl Toxicol 2014; 34:1379-88. [PMID: 24478122 DOI: 10.1002/jat.2970] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Revised: 11/08/2013] [Accepted: 11/08/2013] [Indexed: 11/09/2022]
Abstract
Naphthalene is a ubiquitous environmental pollutant to which humans are exposed. Previous studies have demonstrated that naphthalene causes bronchiolar epithelial necrosis in the mouse distal airway, after parenteral administration. In this study, metabolic variations in the bronchoalveolar lavage fluid (BALF) and the lung tissues of naphthalene-treated mice and controls were examined using nuclear magnetic resonance (NMR)-based metabolomics to identify the toxic mechanism. Male ICR mice were treated with naphthalene [0, 50, 100 and 200 mg kg(-1), intraperitoneally (i.p.)]. After 24 h, BALF and lung tissues were collected and prepared for (1)H and J-resolved (JRES) NMR analysis after principal component analysis (PCA). PCA modeling of p-JRES spectra from the BALF, as well as hydrophilic and hydrophobic lung metabolites, enabled the high-dose group to be discriminated from the control group; increased levels of isopropanol, ethane, and acetone and lower levels of ethanol, acetate, formate, and glycerophosphocholine were detected in the BALF of mice treated with higher doses of naphthalene. Furthermore, increased isopropanol and phosphorylcholine-containing lipid levels and decreased succinate and glutamine levels were discovered in the lungs of naphthalene-exposed mice. These metabolic changes may be related to lipid peroxidation, disruptions of membrane components and imbalanced energy supply, and these results may partially explain the loss of cell membrane integrity in the airway epithelial cells of naphthalene-treated mice. We conclude that NMR-based metabolomic studies on BALF and lung tissues are a powerful tool to understand the mechanisms underlying respiratory toxicity.
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Affiliation(s)
- Jia-Huei Hong
- Institute of Environmental Health, College of Public Health, National Taiwan University, Taipei, 10055, Taiwan, Republic of China
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Breath tests in respiratory and critical care medicine: from research to practice in current perspectives. BIOMED RESEARCH INTERNATIONAL 2013; 2013:702896. [PMID: 24151617 PMCID: PMC3789325 DOI: 10.1155/2013/702896] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Revised: 08/12/2013] [Accepted: 08/14/2013] [Indexed: 12/15/2022]
Abstract
Today, exhaled nitric oxide has been studied the most, and most researches have now focused on asthma. More than a thousand different volatile organic compounds have been observed in low concentrations in normal human breath. Alkanes and methylalkanes, the majority of breath volatile organic compounds, have been increasingly used by physicians as a novel method to diagnose many diseases without discomforts of invasive procedures. None of the individual exhaled volatile organic compound alone is specific for disease. Exhaled breath analysis techniques may be available to diagnose and monitor the diseases in home setting when their sensitivity and specificity are improved in the future.
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Guilbaud R, Ricard AC, Daniel C, Boileau S, van Tra H, Chevalier G. A Method to Evaluate Lipid Peroxidation by an Automated Analysis of Exhaled Pentane in Human and Rat Breath. ACTA ACUST UNITED AC 2008. [DOI: 10.3109/15376519409049106] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Roman K, Vladimíra M, Alexander C. Highly specific, simple and rapid method for the determination of malondialdehyde in blood using high-performance liquid chromatography. Clin Chem Lab Med 2002; 40:1032-5. [PMID: 12476944 DOI: 10.1515/cclm.2002.180] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
A novel, highly specific, simple and rapid method for the determination of malondialdehyde (MDA), the routinely used marker for free radical generation in body fluids has been developed and evaluated. Serum samples from 30 healthy volunteers in heparin and 1,4-dithiothreitol-containing tubes stored at -80 degrees C were analyzed. The MDA-thiobarbituric acid complex was separated from interfering substances using HPLC. For the separation, reverse phase column MAC (4 x 250 mm, Biospher SI 120 PSI C18, particle size 7 microm) was used. The mixture of methanol and 8.3 mmol/l phosphate buffer, pH= 7.2, (35:65, v/v) was used as mobile phase. The volume of serum samples injected on the column was 50 microl. The analyte was detected at 532 nm. Retention time of MDA-thiobarbituric acid complex was 4.9+/-0.1 min at the flow rate 0.7 ml/min. Excellent linearity was achieved. The intra- and interassay coefficient of variation was 7.3% and 8.8%, respectively. The recovery was 95.6% and the detection limit was 0.1 micromol/l. The validity of this method was proved by comparison with the spectrophotometric determination of MDA-thiobarbituric acid complex by the method of Yagi at three different wavelengths (485, 532 and 560 nm) with Allen's correction.
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Affiliation(s)
- Kand'ár Roman
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Czech Republic.
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Affiliation(s)
- S A Kharitonov
- National Heart and Lung Institute, Imperial College, London, United Kingdom
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Paredi P, Kharitonov SA, Barnes PJ. Elevation of exhaled ethane concentration in asthma. Am J Respir Crit Care Med 2000; 162:1450-4. [PMID: 11029360 DOI: 10.1164/ajrccm.162.4.2003064] [Citation(s) in RCA: 129] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Ethane is a product of lipid peroxidation as a result of oxidative stress and can be detected in the exhaled air. Oxidative stress plays a role in the pathogenesis of asthma. We measured exhaled ethane in 26 asthmatic subjects (mean age +/- SEM, 38 +/- 8 yr; 15 male, FEV(1) 60 +/- 4%) and compared it with exhaled nitric oxide (NO) measured by chemiluminescence, a noninvasive marker of oxidative stress and inflammation. Exhaled ethane was collected during a flow- and pressure-controlled exhalation into a reservoir discarding dead space air contaminated with ambient air. A sample of the expired air was analyzed by chromatography. Exhaled ethane levels were elevated in asthma patients not receiving steroid (n = 12, 2.06 +/- 0.30 ppb) compared with steroid-treated patients (n = 14, 0.79 +/- 0.10 ppb, p < 0.01) and to 14 nonsmoking control subjects (0.88 +/- 0.09 ppb, p < 0.05). In patients not receiving steroid treatment there was a positive correlation between exhaled ethane and NO (r = 0.55, p < 0.05) and air trapping assessed by the ratio of residual volume to total lung capacity (RV/ TLC) (r = 0.60, p < 0.05). In addition, untreated patients with FEV(1) < 60% predicted value had higher concentrations of ethane (2.86 +/- 0.37 ppb) compared with less obstructed patients (FEV(1) > 60%, 1.26 +/- 0.12 ppb, p < 0.05). NO concentrations were higher in patients not on steroid treatment (14.7 +/- 1.7 ppb) than in steroid-treated patients (8.6 +/- 0.5 ppb, p < 0.05). Exhaled ethane is elevated in asthma, reduced in steroid-treated patients, and correlates with NO and airway obstruction. It may be a useful noninvasive marker of oxidative stress.
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Affiliation(s)
- P Paredi
- Department of Thoracic Medicine, National Heart and Lung Institute, Imperial College School of Science, Technology and Medicine, London, United Kingdom
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10
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Habib MP, Tank LJ, Lane LC, Garewal HS. Effect of vitamin E on exhaled ethane in cigarette smokers. Chest 1999; 115:684-90. [PMID: 10084476 DOI: 10.1378/chest.115.3.684] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
STUDY OBJECTIVES We hypothesized that micronutrient antioxidant intake may be one factor determining the development of significant COPD. Vitamin E was administered to smokers to determine if exhaled ethane was reduced and if ethane correlated with measures of lung function. STUDY DESIGN Longitudinal placebo lead-in trial with posttreatment observation period. SETTING Tucson Veterans Affairs Medical Center. PARTICIPANTS Twenty-nine current stable smokers having no interest in smoking cessation. INTERVENTIONS Spirometry, exhaled breath ethane measurements, and vitamin E and [-carotene plasma levels followed by 3 weeks of placebo with repeat plasma vitamin levels and ethane measurements; next, 3 weeks of vitamin E (dl-a-tocopherol), 400 IU po bid followed by plasma vitamin levels and breath ethane measurements; finally, 3 weeks without vitamins followed by breath ethane and plasma vitamin levels. RESULTS Vitamin E treatment did not reduce ethane significantly. Exhaled ethane levels (mean + SD: pm/min/kg) were as follows: baseline, 7.39 + 5.39; after run-in period, 6.86 + 4.09; after vitamin E, 6.36+/-3.02; and final, 7.23+/-4.63. After vitamin E therapy, a significant negative correlation existed between exhaled ethane and FEV1/FVC. Pack-years of smoking at baseline and after vitamin E were significantly associated with ethane exhaled. Initial lung function was not significantly negatively associated with vitamin E-induced changes in exhaled ethane but a negative trend was found. CONCLUSIONS Vitamin E alone, unlike the combination of vitamins C, E, and beta-carotene, failed to reduced exhaled ethane in cigarette smokers. Exhaled ethane was correlated with pack-years of smoking. Smokers whose ethane values were found to fall the most tended to have better preserved lung function.
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Affiliation(s)
- M P Habib
- Pulmonary Medicine, Section of the Veterans Affairs Medical Center and the University of Arizona, Tucson 85723, USA.
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Sigler K, Chaloupka J, Brozmanová J, Stadler N, Höfer M. Oxidative stress in microorganisms--I. Microbial vs. higher cells--damage and defenses in relation to cell aging and death. Folia Microbiol (Praha) 1999; 44:587-624. [PMID: 11097021 DOI: 10.1007/bf02825650] [Citation(s) in RCA: 114] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Oxidative stress in microbial cells shares many similarities with other cell types but it has its specific features which may differ in prokaryotic and eukaryotic cells. We survey here the properties and actions of primary sources of oxidative stress, the role of transition metals in oxidative stress and cell protective machinery of microbial cells, and compare them with analogous features of other cell types. Other features to be compared are the action of Reactive Oxygen Species (ROS) on cell constituents, secondary lipid- or protein-based radicals and other stress products. Repair of oxidative injury by microorganisms and proteolytic removal of irreparable cell constituents are briefly described. Oxidative damage of aerobically growing microbial cells by endogenously formed ROS mostly does not induce changes similar to the aging of multiplying mammalian cells. Rapid growth of bacteria and yeast prevents accumulation of impaired macromolecules which are repaired, diluted or eliminated. During growth some simple fungi, such as yeast or Podospora spp., exhibit aging whose primary cause seems to be fragmentation of the nucleolus or impairment of mitochondrial DNA integrity. Yeast cell aging seems to be accelerated by endogenous oxidative stress. Unlike most growing microbial cells, stationary-phase cells gradually lose their viability because of a continuous oxidative stress, in spite of an increased synthesis of antioxidant enzymes. Unlike in most microorganisms, in plant and animal cells a severe oxidative stress induces a specific programmed death pathway--apoptosis. The scant data on the microbial death mechanisms induced by oxidative stress indicate that in bacteria cell death can result from activation of autolytic enzymes (similarly to the programmed mother-cell death at the end of bacillary sporulation). Yeast and other simple eukaryotes contain components of a proapoptotic pathway which are silent under normal conditions but can be activated by oxidative stress or by manifestation of mammalian death genes, such as bak or bax. Other aspects, such as regulation of oxidative-stress response, role of defense enzymes and their control, acquisition of stress tolerance, stress signaling and its role in stress response, as well as cross-talk between different stress factors, will be the subject of a subsequent review.
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Affiliation(s)
- K Sigler
- Institute of Microbiology, Academy of Sciences of the Czech Republic, Prague
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12
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Pelli MA, Trovarelli G, Capodicasa E, De Medio GE, Bassotti G. Breath alkanes determination in ulcerative colitis and Crohn's disease. Dis Colon Rectum 1999; 42:71-6. [PMID: 10211523 DOI: 10.1007/bf02235186] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
PURPOSE By considering the pathophysiologic basis of inflammatory bowel diseases, a role for excessive lipid peroxidation caused by oxygen free radical compounds has been proposed repeatedly. However, to date only a few studies are available on this topic in human beings. This study was designed to assess breath alkanes in a group of patients with active inflammatory bowel disease by a technique that clearly distinguishes pentane from isoprene, to prevent overestimation of values as in previous studies. PATIENTS Twenty patients with a diagnosis of active inflammatory bowel disease (10 with Crohn's disease and 10 with ulcerative colitis) were studied. Extension of the disease was similar between patient groups, and all were treated with equivalent doses of steroids and salicylates. METHODS Breath alkanes determination was performed by a standard procedure involving a gas chromatography column able to separate pentane from isoprene. RESULTS Overall, significant differences between patients with inflammatory bowel diseases and controls were found for ethane, propane, and pentane, but not for butane and isoprene. Isoprene was clearly distinguished from pentane, demonstrating that the significant elevation of pentane levels in patients with inflammatory bowel diseases is a real phenomenon and not an artifact caused by coelution with isoprene. CONCLUSIONS An excess of lipid peroxidation is probably an important pathogenetic factor in inflammatory bowel diseases, and this may be assessed through a noninvasive method. Because this method previously also has been shown to be able to evaluate disease activity, it could be a useful tool for studying patients with inflammatory bowel diseases.
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Affiliation(s)
- M A Pelli
- Department of Surgery and Surgical Emergencies, University of Perugia Medical School, Italy
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de Zwart LL, Hermanns RC, Meerman JH, Commandeur JN, Salemink PJ, Vermeulen NP. Evaluation of urinary biomarkers for radical-induced liver damage in rats treated with carbon tetrachloride. Toxicol Appl Pharmacol 1998; 148:71-82. [PMID: 9465266 DOI: 10.1006/taap.1997.8310] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Carbon tetrachloride (CCl4) is a model compound for inducing free radical damage in liver. In this study 10 biomarkers in rats treated i.p. with three different single doses of CCl4 (0.25, 0.50, and 1.00 ml/kg body wt) were measured dose and time dependently and compared to evaluate these urinary products as noninvasive biomarkers for radical damage. Eight degradation products of lipid peroxides, namely, formaldehyde, acetaldehyde, acetone, propanal, butanal, pentanal, hexanal, and malondialdehyde (MDA), 8-hydroxy-2'-deoxyguanosine (8-OH-dG) and coproporphyrin III were measured in this study. As general measures of toxicity, several clinical chemical parameters (n = 12) and histopathological damage were determined. A dose-dependent increase in both the clinical parameters and the lipid degradation products was found. Increases in lipid degradation products were statistically significant at doses of 0.5 and 1 ml/kg CCl4. An increase in these products was already found in the first 12 h after exposure. At the lowest dose, 0.25 ml/kg CCl4, acetaldehyde and propanal already showed a statistically significant increase as well. No change in the urinary levels of 8-OH-dG could be found in this study and a decrease in the urinary excretion of coproporphyrin III was found. It is concluded that 8-OH-dG and coproporphyrin III are not useful biomarkers for radical damage induced by CCl4. Lipid degradation products, however, are promising noninvasive biomarkers for in vivo radical damage, although the precise specificity of these biomarkers for damage induced by radicals needs to be further investigated.
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Affiliation(s)
- L L de Zwart
- Leiden-Amsterdam Center for Drug Research (LACDR), Department of Pharmacochemistry, Vrije Universiteit, Amsterdam, The Netherlands
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Ebeler SE, Clifford AJ, Shibamoto T. Quantitative analysis by gas chromatography of volatile carbonyl compounds in expired air from mice and human. JOURNAL OF CHROMATOGRAPHY. B, BIOMEDICAL SCIENCES AND APPLICATIONS 1997; 702:211-5. [PMID: 9449573 DOI: 10.1016/s0378-4347(97)00369-1] [Citation(s) in RCA: 94] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Formaldehyde, acetaldehyde and acetone expired from tumor-bearing transgenic mice and formaldehyde exhaled from breast cancer patients were analyzed using gas chromatography. The tumor-bearing mice expired significantly more formaldehyde per unit metabolic size (1.43-2.98 micromol) than did control mice (0.77-1.01 micromol). There was no detectable difference in the levels of expired acetaldehyde and acetone between the two groups of mice. The exhaled formaldehyde levels from three women with breast cancer and from three healthy women were satisfactorily determined using the method developed in this study. The results suggest that these carbonyl compounds may be used as a biomarker.
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Affiliation(s)
- S E Ebeler
- Department of Viticulture and Enology, University of California, Davis 95616, USA
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Mendis S, Sobotka PA, Euler DE. Expired hydrocarbons in patients with acute myocardial infarction. Free Radic Res 1995; 23:117-22. [PMID: 7581809 DOI: 10.3109/10715769509064026] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Pentane and isoprene concentrations were analyzed in single end-expiratory breath samples using gas chromatography. Breath analysis was performed in 15 patients with acute myocardial infarction, 15 patients with stable angina, and 15 healthy control subjects. The two patient groups were well matched for age, sex, smoking habits, hypertension and serum cholesterol levels. There was no significant difference in breath pentane concentration in the acute myocardial infarction group (0.29 +/- 0.03 nmol/l) (mean +/- SEM) compared to the group with stable angina (0.31 +/- 0.03 nmol/l) or the control group (0.36 +/- 0.04 nmol/l). However, breath isoprene concentration was higher (p < 0.01) in the acute myocardial infarction group (11.4 +/- 1.2 nmol/l), compared to both the stable angina group (7.7 +/- 0.5 nmol/l) and the control group (7.1 +/- 1.0 nmol/l). There was no difference in either the pentane or isoprene concentrations between the control group and the group with stable angina. Since pentane is thought to be an index of lipid peroxidation, the results do not support the presence of enhanced lipid peroxidation in acute myocardial infarction in the absence of thrombolytic therapy or primary angioplasty. The mechanism responsible for isoprene elevation in acute myocardial infarction is unknown.
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Affiliation(s)
- S Mendis
- Department of Medicine, Loyola University Medical Center, Maywood, IL 60153, USA
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Kneepkens CM, Lepage G, Roy CC. The potential of the hydrocarbon breath test as a measure of lipid peroxidation. Free Radic Biol Med 1994; 17:127-60. [PMID: 7959173 DOI: 10.1016/0891-5849(94)90110-4] [Citation(s) in RCA: 255] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The straight chain aliphatic hydrocarbons ethane and pentane have been advocated as noninvasive markers of free-radical induced lipid peroxidation in humans. In in vitro studies, the evolution of ethane and pentane as end products of n-3 and n-6 polyunsaturated fatty acids, respectively, correlates very well with other markers of lipid peroxidation and even seems to be the most sensitive test available. In laboratory animals the use of both hydrocarbons as in vivo markers of lipid peroxidation has been validated extensively. Although there are other possible sources of hydrocarbons in the body, such as protein oxidation and colonic bacterial metabolism, these apparently are of limited importance and do not interfere with the interpretation of the hydrocarbon breath test. The production of hydrocarbons relative to that of other end products of lipid peroxidation depends on variables that are difficult to control, such as the local availability of iron(II) ions and dioxygen. In addition, hydrocarbons are metabolized in the body, which especially influences the excretion of pentane. Because of the extremely low concentrations of ethane and pentane in human breath, which often are not significantly higher than those in ambient air, the hydrocarbon breath test requires a flawless technique regarding such factors as: (1) the preparation of the subject with hydrocarbon-free air to wash out ambient air hydrocarbons from the lungs, (2) the avoidance of ambient air contamination of the breath sample by using appropriate materials for sampling and storing, and (3) the procedures used to concentrate and filter the samples prior to gas chromatographic determination. For the gas chromatographic separation of hydrocarbons, open tubular capillary columns are preferred because of their high resolution capacity. Only in those settings where expired hydrocarbon levels are substantially higher than ambient air levels might washout prove to be unnecessary, at least in adults. Although many investigators have concentrated on one marker, it seems preferable to measure both ethane and pentane concurrently. The results of the hydrocarbon breath test are not influenced by prior food consumption, but both vitamin E and beta-carotene supplementation decrease hydrocarbon excretion. Nevertheless, the long-term use of a diet high in polyunsaturated fatty acids, such as in parenteral nutrition regimens, may result in increased hydrocarbon exhalation. Hydrocarbon excretion slightly increases with increasing age. Short-term increases follow physical and intellectual stress and exposure to hyperbaric dioxygen.(ABSTRACT TRUNCATED AT 400 WORDS)
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Affiliation(s)
- C M Kneepkens
- Gastroenterology-Nutrition Unit, Hôpital Ste-Justine, Université de Montréal, Quebec, Canada
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Draper HH, Bettger WJ. Role of nutrients in the cause and prevention of oxygen radical pathology. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 1994; 366:269-89. [PMID: 7771258 DOI: 10.1007/978-1-4615-1833-4_19] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- H H Draper
- Department of Nutritional Sciences, University of Guelph, Ontario, Canada
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18
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Raij L, Nagy J, Coffee K, DeMaster EG. Hypercholesterolemia promotes endothelial dysfunction in vitamin E- and selenium-deficient rats. Hypertension 1993; 22:56-61. [PMID: 8319992 DOI: 10.1161/01.hyp.22.1.56] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Abnormal regulation of local vascular tone occurs early in human and experimental atherosclerosis. Impaired endothelium-dependent vascular relaxations mediated by endothelium-derived relaxing factor are an important contributor to these abnormalities. Endothelium-derived relaxing factor is nitric oxide released as such or attached to a carrier molecule. Oxidized lipoproteins impede endothelium-derived relaxing factor-mediated responses in vitro. We designed in vivo experiments to determine whether hypercholesterolemia with and without deficiency of two endogenous lipid antioxidants, vitamin E and selenium, would result in endothelial dysfunction. Vitamin E and selenium deficiencies were induced in a group of hypertension-prone Dahl salt-sensitive rats fed a diet high in cholesterol (4%) but low in NaCl (0.5%) for 18 weeks. Two other groups of Dahl salt-sensitive rats received diets sufficient in vitamin E and selenium but containing either high or normal cholesterol levels (control group). Serum cholesterol levels increased approximately 10-fold in the two groups of rats fed high-cholesterol diets. Systolic blood pressure was 143 +/- 3 mm Hg in high-cholesterol/vitamin E- and selenium-sufficient rats and 142 +/- 5 mm Hg in high-cholesterol/vitamin E- and selenium-deficient rats (P = NS). Mild intimal thickening and occasional mononuclear cell infiltration were observed in both of these groups. Serum vitamin E levels were decreased, whereas serum thiobarbituric acid-reactive substances and exhaled pentane (two indicators of endogenous lipid oxidation) were significantly increased in high-cholesterol/vitamin E- and selenium-deficient rats compared with high-cholesterol/vitamin E- and selenium-sufficient rats.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- L Raij
- Medical Research Service, Veterans Affairs Medical Center, Minneapolis, MN 55417
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Richard MJ, Guiraud P, Meo J, Favier A. High-performance liquid chromatographic separation of malondialdehyde-thiobarbituric acid adduct in biological materials (plasma and human cells) using a commercially available reagent. JOURNAL OF CHROMATOGRAPHY 1992; 577:9-18. [PMID: 1400750 DOI: 10.1016/0378-4347(92)80593-f] [Citation(s) in RCA: 110] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The assay of malondialdehyde (MDA) is widely used in clinical chemistry laboratories to investigate lipid peroxidation in oxidative pathologies. In the present work, the thiobarbituric acid (TBA) reaction was carried out on plasma, human erythrocytes and fibroblasts. The reagents used were those of the fluorimetry MDA kit manufactured by Sobioda. We have defined the application of this kit to high-performance liquid chromatography. This adaptation satisfied the criteria of good analytical practice. The detection limit was 2.5 pmol per injection. The retention time of the MDA-TBA2 peak (4.96 +/- 0.07 min) led to excellent resolution of the complex. The within-assay (6-12%) and between-assay (11-12%) precisions were satisfactory. The analytical recovery of MDA after spiking samples of human plasma with tetraethoxypropane standards varied from 70 to 100%. The mean lipoperoxide concentration determined in 32 healthy adults (20-40 years) was 1.04 +/- 0.23 mumol l-1 in plasma. Applied to the erythrocytes of fifteen laboratory workers, the method furnished physiological values of 0.59 +/- 0.21 mumol l-1. Concentrations were significantly higher in chronic renal dialysis patients (4.15 +/- 2.35 mumol l-1. The MDA content of fibroblasts cultured in standard medium was 0.38 +/- 0.04 mumol per g of protein and increased (5.78 +/- 1.38 mumol per g of protein) if the cells were grown in an iron-enriched medium. This accurate high-performance liquid chromatographic method for detection of MDA is the first one which can be applied to plasma, red blood cells and cultured cells. This technique will prevent false positives and should make inter-laboratory comparisons possible.
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Affiliation(s)
- M J Richard
- Laboratoire de Biochimie C, Centre Hospitalier Regional Universitaire, Grenoble, France
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Hageman JJ, Bast A, Vermeulen NP. Monitoring of oxidative free radical damage in vivo: analytical aspects. Chem Biol Interact 1992; 82:243-93. [PMID: 1318789 DOI: 10.1016/0009-2797(92)90001-2] [Citation(s) in RCA: 83] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Free radical damage is an important factor in many pathological and toxicological processes. During the last decade a wide range of methods has been developed to determine free radical damage in various biological fluids and at various stages of development. This review offers an overview of the state of the art of monitoring free radical damage in vivo, with special emphasis on the analytical aspects of non-invasive methods.
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Affiliation(s)
- J J Hageman
- Department of Pharmacochemistry, Vrije Universiteit Amsterdam, The Netherlands
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