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Vlasceanu AM, Gradinaru D, Stan M, Nitescu VG, Baconi DL. Relationships between Serum Biomarkers of Oxidative Stress and Tobacco Smoke Exposure in Patients with Mental Disorders. Antioxidants (Basel) 2023; 12:1299. [PMID: 37372029 DOI: 10.3390/antiox12061299] [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: 05/02/2023] [Revised: 06/11/2023] [Accepted: 06/17/2023] [Indexed: 06/29/2023] Open
Abstract
The role of cigarette smoking as an aggravating factor of systemic oxidative stress in patients with mental disorders has not been extensively investigated, although significantly higher rates of smoking are recorded in these subjects in comparison with the general population. In the present study, we tested the hypothesis that smoking might be an exacerbator of systemic oxidative stress, being directly correlated with the degree of exposure to tobacco smoke. We analyzed, in 76 adult subjects from a public health care unit, the relationships between serum cotinine levels as a marker of tobacco smoke exposure, and three biomarkers of oxidative stress: the serum glutathione (GSH), the advanced oxidation protein products (AOPPs), and the total serum antioxidant status (FRAP). The results indicate that the degree of tobacco smoke exposure was inversely associated with GSH levels in both passive and active smokers, suggesting that smoke particulate components' toxicity is associated with a systemic GSH depletion. Paradoxically, the lowest AOPP levels which were positively associated with GSH, were recorded in active smoking patients whereas in passive smokers individual values of AOPPs decreased along with the increase in GSH levels. Our data suggest that an enhanced inhalation of particulate constituents of cigarette smoke could induce critical changes in systemic redox homeostasis and GSH can no longer exert its antioxidant role.
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Affiliation(s)
- Ana-Maria Vlasceanu
- Department of Toxicology, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 37 Dionisie Lupu Street, Sector 2, 20021 Bucharest, Romania
| | - Daniela Gradinaru
- Department of Biochemistry, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 37 Dionisie Lupu Street, Sector 2, 20021 Bucharest, Romania
| | - Miriana Stan
- Department of Toxicology, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 37 Dionisie Lupu Street, Sector 2, 20021 Bucharest, Romania
| | - Viorela G Nitescu
- Emergency Clinical Hospital for Children Grigore Alexandrescu, Pediatric Clinic 2, Ward ATI -Toxicology, 30-32 Iancu de Hunedoara Street, 20021 Bucharest, Romania
| | - Daniela Luiza Baconi
- Department of Toxicology, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 37 Dionisie Lupu Street, Sector 2, 20021 Bucharest, Romania
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Bravo-Gutiérrez OA, Falfán-Valencia R, Ramírez-Venegas A, Sansores RH, Ponciano-Rodríguez G, Pérez-Rubio G. Lung Damage Caused by Heated Tobacco Products and Electronic Nicotine Delivery Systems: A Systematic Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18084079. [PMID: 33924379 PMCID: PMC8070637 DOI: 10.3390/ijerph18084079] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/22/2021] [Accepted: 04/08/2021] [Indexed: 12/24/2022]
Abstract
The tobacco industry promotes electronic nicotine delivery systems (ENDS) and heated tobacco products (HTP) as a safer alternative to conventional cigarettes with misleading marketing sustained by studies with conflict of interest. As a result, these devices sell without regulations and warnings about their adverse effects on health, with a growing user base targeting young people. This systematic review aimed to describe the adverse effects on the respiratory system in consumers of these devices. We conducted a systematic review and bibliometric analysis of 79 studies without conflict of interest evaluating ENDS and HTP effects in the respiratory system in experimental models, retrieved from the PubMed database. We found that the damage produced by using these devices is involved in pathways related to pulmonary diseases, involving mechanisms previously reported in conventional cigarettes as well as new mechanisms particular to these devices, which challenges that the tobacco industry’s claims. The present study provides significant evidence to suggest that these devices are an emerging public health problem and that they should be regulated or avoided.
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Affiliation(s)
- Omar Andrés Bravo-Gutiérrez
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico; (O.A.B.-G.); (R.F.-V.)
| | - Ramcés Falfán-Valencia
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico; (O.A.B.-G.); (R.F.-V.)
| | - Alejandra Ramírez-Venegas
- Tobacco Smoking and COPD Research Department, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico;
| | - Raúl H. Sansores
- Clínica de Enfermedades Respiratorias, Fundación Médica Sur, Mexico City 14080, Mexico;
| | - Guadalupe Ponciano-Rodríguez
- Public Health Department, Faculty of Medicine, National Autonomous University of Mexico, Mexico City 04510, Mexico;
| | - Gloria Pérez-Rubio
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico; (O.A.B.-G.); (R.F.-V.)
- Correspondence: ; Tel.: +52-55-5487-1700 (ext. 5152)
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Abstract
With the rapid increase in electronic cigarette (e-cig) users worldwide, secondhand exposure to e-cig aerosols has become a serious public health concern. We summarize the evidence on the effects of e-cigs on indoor air quality, chemical compositions of mainstream and secondhand e-cig aerosols, and associated respiratory and cardiovascular effects. The use of e-cigs in indoor environments leads to high levels of fine and ultrafine particles similar to tobacco cigarettes (t-cigs). Concentrations of chemical compounds in e-cig aerosols are generally lower than those in t-cig smoke, but a substantial amount of vaporized propylene glycol, vegetable glycerin, nicotine, and toxic substances, such as aldehydes and heavy metals, has been reported. Exposures to mainstream e-cig aerosols have biologic effects but only limited evidence shows adverse respiratory and cardiovascular effects in humans. Long-term studies are needed to better understand the dosimetry and health effects of exposures to secondhand e-cig aerosols.
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Affiliation(s)
- Liqiao Li
- Department of Environmental Health Sciences, Jonathan and Karin Fielding School of Public Health, University of California, Los Angeles, California 90095-1772, USA;
| | - Yan Lin
- Department of Environmental Health Sciences, Jonathan and Karin Fielding School of Public Health, University of California, Los Angeles, California 90095-1772, USA;
| | - Tian Xia
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, California 90095-1772, USA
| | - Yifang Zhu
- Department of Environmental Health Sciences, Jonathan and Karin Fielding School of Public Health, University of California, Los Angeles, California 90095-1772, USA;
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Badea M, Gaman L, Delia C, Ilea A, Leașu F, Henríquez-Hernández LA, Luzardo OP, Rădoi M, Rogozea L. Trends of Lipophilic, Antioxidant and Hematological Parameters Associated with Conventional and Electronic Smoking Habits in Middle-Age Romanians. J Clin Med 2019; 8:E665. [PMID: 31083602 PMCID: PMC6571835 DOI: 10.3390/jcm8050665] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 05/01/2019] [Accepted: 05/09/2019] [Indexed: 01/15/2023] Open
Abstract
It is known that cigarette smoking is correlated with medical associated inquires. New electronic cigarettes are intensively advertised as an alternative to conventional smoking, but only a few studies demonstrate their harmful potential. A cross-sectional study was designed using 150 subjects from Brasov (Romania), divided into three groups: non-smokers (NS = 58), conventional cigarettes smokers (CS = 58) and electronic cigarettes users (ECS = 34). The aim of this study was to determine levels of some plasma lipophilic and hematological components, and the total antioxidant status that could be associated with the smoking status of the subjects. Serum low density lipoproteins (LDL) cholesterol increased significantly for ECS participants versus NS group (18.9% difference) (p < 0.05). Also, the CS group is characterized by an increase of serum LDL cholesterol (7.9% difference vs. NS), but with no significant statistical difference. The variation of median values of serum very low density lipoproteins (VLDL) was in order NS < ECS < CS, with statistical difference between NS and CS groups (34.6% difference; p = 0.023). When comparing the antioxidant status of the three groups, significant differences (p < 0.05) were obtained between NS vs. CS and NS vs. ECS. Similar behavior was identified for CS and ECS. Statistically significant changes (p < 0.0001) for both vitamin A and vitamin E were identified in the blood of NS vs. CS and NS vs. ECS, and also when comparing vitamin A in the blood of the CS group versus the ECS group (p < 0.05). When all groups were compared, the difference in the white blood cell (WBC) was (p = 0.008). A slight increase in the red blood cell (RBC) count was observed, but with no statistical difference between groups. These results indicated that conventional cigarette and e-cigarette usage promotes the production of excess reactive oxygen species, involving different pathways, different antioxidants and bioactive molecules.
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Affiliation(s)
- Mihaela Badea
- Faculty of Medicine, Transilvania University of Brasov, Brasov 500019, Romania.
| | - Laura Gaman
- "Carol Davila" University of Medicine and Pharmacy, Bucharest 050474, Romania.
| | - Corina Delia
- National Institute for Mother and Child Health "Alessandrescu-Rusescu", Bucharest 20395, Romania.
| | - Anca Ilea
- Faculty of Medicine, Transilvania University of Brasov, Brasov 500019, Romania.
| | - Florin Leașu
- Faculty of Medicine, Transilvania University of Brasov, Brasov 500019, Romania.
| | - Luis Alberto Henríquez-Hernández
- Toxicology Unit, Clinical Sciences Department, Universidad de Las Palmas de Gran Canaria, Paseo Blas Cabrera Felipe, s/n, 35019 Las Palmas de Gran Canaria, Spain.
| | - Octavio P Luzardo
- Toxicology Unit, Clinical Sciences Department, Universidad de Las Palmas de Gran Canaria, Paseo Blas Cabrera Felipe, s/n, 35019 Las Palmas de Gran Canaria, Spain.
| | - Mariana Rădoi
- Faculty of Medicine, Transilvania University of Brasov, Brasov 500019, Romania.
| | - Liliana Rogozea
- Faculty of Medicine, Transilvania University of Brasov, Brasov 500019, Romania.
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Ratajczak A, Feleszko W, Smith DM, Goniewicz M. How close are we to definitively identifying the respiratory health effects of e-cigarettes? Expert Rev Respir Med 2018; 12:549-556. [PMID: 29856662 DOI: 10.1080/17476348.2018.1483724] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Use of electronic cigarettes (e-cigarettes) is frequently promoted as a less harmful alternative to cigarette smoking. The impact of repeated inhalation of e-cigarette aerosols on respiratory health is not well understood. Areas covered: Using results from laboratory, observational, and clinical studies, we synthesize evidence relevant to potential respiratory health effects that may result from inhalation of e-cigarette aerosols. Expert commentary: Chemical analyses reveal that e-cigarette aerosols contain numerous respiratory irritants and toxicants. There are documented cytotoxic effects of e-cigarette constituents on lung tissue. Studies among ex-smokers who switched to e-cigarettes note reduced exposure to numerous respiratory toxicants, reduced asthma exacerbations, and chronic obstructive pulmonary disease symptoms. Regular exposure to e-cigarette aerosols is associated with impaired respiratory functioning. Potential respiratory health risks resulting from secondhand e-cigarette aerosol exposure have not been sufficiently evaluated. Current evidence indicates that although e-cigarettes are not without risk, these products seemingly pose fewer respiratory health harms issues compared to tobacco cigarettes. Data from prospective studies and randomized controlled trials examining the impact of e-cigarette use on lung health are needed to better understand respiratory health risks tied to use of these products.
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Affiliation(s)
- Alexsandra Ratajczak
- a Department of Pediatric Respiratory Diseases and Allergy , Medical University of Warsaw , Warsaw , Poland
| | - Wojciech Feleszko
- a Department of Pediatric Respiratory Diseases and Allergy , Medical University of Warsaw , Warsaw , Poland
| | - Danielle M Smith
- b Department of Health Behavior , Roswell Park Comprehensive Cancer Center , Buffalo , NY , USA
| | - Maciej Goniewicz
- b Department of Health Behavior , Roswell Park Comprehensive Cancer Center , Buffalo , NY , USA
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Karademirci M, Kutlu R, Kilinc I. Relationship between smoking and total antioxidant status, total oxidant status, oxidative stress index, vit C, vit E. CLINICAL RESPIRATORY JOURNAL 2018; 12:2006-2012. [PMID: 29247592 DOI: 10.1111/crj.12757] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 11/16/2017] [Accepted: 11/20/2017] [Indexed: 12/23/2022]
Abstract
BACKGROUND Tobacco smoking contains many toxic, carcinogenic and mutagenic chemicals, as well as stable and unstable free radicals. In this study, we aimed to assess the vitamin E, vitamin C and total antioxidant status (TAS), total oxidant status (TOS), oxidative stress index (OSI) in smoking and non-smoking men. MATERIALS AND METHODS This case-control analytical study was conducted on 78 smoking and 82 non-smoking men. Fagerström nicotine-dependence test was used to assess the participants' addiction status. Low-density lipoprotein-c, high-density lipoprotein-c, total cholesterol, triglyceride, fasting blood glucose, vitamin E, vitamin C, TAS and TOS levels were determined. RESULTS The mean age of 160 men who participated in our study was 33.0 ± 10.6 years. The comparison of smoker and non-smoker groups was made in terms of the parameters of TAS, TOS, OSI, vitamin C and vitamin E; it was seen that TAS (P = .003), vitamin C (P < .001) and vitamin E (P < .001) values in non-smokers' group were found significantly higher than smokers. In non-smokers, vitamin C level was 4.3 times more than the smokers. In non-smokers, vitamin E level was 6.9 times more than the smokers. The values of TOS (P < .001) and OSI (P < .001) in smokers were significantly higher than the control group. CONCLUSIONS The parameters of TAS, vitamin C and vitamin E were significantly higher in the non-smoker group than in the smoker group. The levels of TOS and OSI were higher in the smoker group. It is known that cigarette smoking leads to various diseases because of the free radicals it contains.
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Affiliation(s)
- Merve Karademirci
- Department of Family Medicine, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Ruhusen Kutlu
- Department of Family Medicine, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Ibrahim Kilinc
- Department of Medical Biochemistry, Necmettin Erbakan University, Meram Medicine Faculty, Konya, Turkey
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