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Liu W, Zhao Y, Fan J, Shen J, Tang H, Tang W, Wu D, Huang W, Ding Y, Qiao P, Lin J, Li Z, Li Q, Cui Q, Liu Y, Chen Y, Pu R, Han X, Yin J, Tan X, Cao G. Smoke and Spike: Benzo[a]pyrene Enhances SARS-CoV-2 Infection by Boosting NR4A2-Induced ACE2 and TMPRSS2 Expression. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2300834. [PMID: 37428471 PMCID: PMC10502855 DOI: 10.1002/advs.202300834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 06/21/2023] [Indexed: 07/11/2023]
Abstract
Cigarette smoke aggravates severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. However, the underlying mechanisms remain unclear. Here, they show that benzo[a]pyrene in cigarette smoke extract facilitates SARS-CoV-2 infection via upregulating angiotensin-converting enzyme 2 (ACE2) and transmembrane protease serine 2 (TMPRSS2). Benzo[a]pyrene trans-activates the promoters of ACE2 and TMPRSS2 by upregulating nuclear receptor subfamily 4 A number 2 (NR4A2) and promoting its binding of NR4A2 to their promoters, which is independent of functional genetic polymorphisms in ACE2 and TMPRSS2. Benzo[a]pyrene increases the susceptibility of lung epithelial cells to SARS-CoV-2 pseudoviruses and facilitates the infection of authentic Omicron BA.5 in primary human alveolar type II cells, lung organoids, and lung and testis of hamsters. Increased expression of Nr4a2, Ace2, and Tmprss2, as well as decreased methylation of CpG islands at the Nr4a2 promoter are observed in aged mice compared to their younger counterparts. NR4A2 knockdown or interferon-λ2/λ3 stimulation downregulates the expression of NR4A2, ACE2, and TMPRSS2, thereby inhibiting the infection. In conclusion, benzo[a]pyrene enhances SARS-CoV-2 infection by boosting NR4A2-induced ACE2 and TMPRSS2 expression. This study elucidates the mechanisms underlying the detrimental effects of cigarette smoking on SARS-CoV-2 infection and provides prophylactic options for coronavirus disease 2019, particularly for the elderly population.
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Salehi Z, Motlagh Ghoochani BFN, Hasani Nourian Y, Jamalkandi SA, Ghanei M. The controversial effect of smoking and nicotine in SARS-CoV-2 infection. ALLERGY, ASTHMA, AND CLINICAL IMMUNOLOGY : OFFICIAL JOURNAL OF THE CANADIAN SOCIETY OF ALLERGY AND CLINICAL IMMUNOLOGY 2023; 19:49. [PMID: 37264452 DOI: 10.1186/s13223-023-00797-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 04/18/2023] [Indexed: 06/03/2023]
Abstract
The effects of nicotine and cigarette smoke in many diseases, notably COVID-19 infection, are being debated more frequently. The current basic data for COVID-19 is increasing and indicating the higher risk of COVID-19 infections in smokers due to the overexpression of corresponding host receptors to viral entry. However, current multi-national epidemiological reports indicate a lower incidence of COVID-19 disease in smokers. Current data indicates that smokers are more susceptible to some diseases and more protective of some other. Interestingly, nicotine is also reported to play a dual role, being both inflammatory and anti-inflammatory. In the present study, we tried to investigate the effect of pure nicotine on various cells involved in COVID-19 infection. We followed an organ-based systematic approach to decipher the effect of nicotine in damaged organs corresponding to COVID-19 pathogenesis (12 related diseases). Considering that the effects of nicotine and cigarette smoke are different from each other, it is necessary to be careful in generalizing the effects of nicotine and cigarette to each other in the conducted researches. The generalization and the undifferentiation of nicotine from smoke is a significant bias. Moreover, different doses of nicotine stimulate different effects (dose-dependent response). In addition to further assessing the role of nicotine in COVID-19 infection and any other cases, a clever assessment of underlying diseases should also be considered to achieve a guideline for health providers and a personalized approach to treatment.
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Affiliation(s)
- Zahra Salehi
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | | | - Yazdan Hasani Nourian
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Sadegh Azimzadeh Jamalkandi
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
| | - Mostafa Ghanei
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
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Zhang Q, Wen C. The risk profile of electronic nicotine delivery systems, compared to traditional cigarettes, on oral disease: a review. Front Public Health 2023; 11:1146949. [PMID: 37255760 PMCID: PMC10226679 DOI: 10.3389/fpubh.2023.1146949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 04/14/2023] [Indexed: 06/01/2023] Open
Abstract
The use of electronic nicotine delivery systems (ENDS) has exploded, especially among teenagers and new smokers, amid widespread awareness of the dangers of traditional tobacco and restrictions on smoking. However, the risk effects of ENDS on physical health, especially oral health, are still ambiguous. The purpose of this study was to review the available evidence on risks of ENDS on oral health, and compares the differences between ENDS and traditional cigarettes. For heavy smokers, transferring the addiction of tobacco to ENDS can be less harmful to periodontal condition and physical health but is not completely without risk. The components of ENDS vapor have cytotoxic, genotoxic, and carcinogenic properties, and its usage may be associated with a wide range of oral health sequelae. The chemicals in ENDS increase the susceptibility to tooth decay, increase the risk of periodontal disease, peri-implant, and oral mucosal lesions. Nicotine aerosols from ENDS can be a potential risk factor for oral cancer due to the presence of carcinogenic components. Compared to smoking traditional cigarettes, the harm associated with ENDS use may be underestimated due to the reduced ability to control vaping behavior, ease of ENDS access, fewer vaping area restrictions, and better taste. Currently, the available evidence suggests that ENDS may be a safer alternative to traditional tobacco products. Though most oral symptoms experienced by ENDS users are relatively mild and temporary compared to traditional cigarettes, the dangers of ENDS still exist. However, further research with longer follow-up periods is required to establish the long-term safety of ENDS.
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Affiliation(s)
- Qing Zhang
- Department of Nosocomial Infection Control, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Cai Wen
- Department of Oral Implantology, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Department of VIP Dental Service, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Luzhou Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Institute of Stomatology, Southwest Medical University, Luzhou, Sichuan, China
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4
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Yin J, Wang C, Vogel U, Ma Y, Zhang Y, Wang H, Sun Z, Du S. Common variants of pro-inflammatory gene IL1B and interactions with PPP1R13L and POLR1G in relation to lung cancer among Northeast Chinese. Sci Rep 2023; 13:7352. [PMID: 37147350 PMCID: PMC10161999 DOI: 10.1038/s41598-023-34069-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 04/24/2023] [Indexed: 05/07/2023] Open
Abstract
Lung cancer is a complex disease influenced by a variety of genetic and environmental factors. The cytokine interleukin 1 encoded by IL1B is an important mediator of the inflammatory response, and is involved in a variety of cellular activities. The effect of single nucleotide polymorphisms (SNP) at IL1B has been investigated in relation to cancer with inconsistent results. This Northeastern-Chinese case-control study involving 627 cases and 633 controls evaluated the role of three haplotype-tagging single nucleotide polymorphisms (htSNP) (rs1143633, rs3136558 and rs1143630) representing 95% of the common haplotype diversity across the IL1B gene and assessed interactions with IL1B, PPP1R13L, POLR1G and smoking duration in relation to lung cancer risk. The analyses of five genetic models showed associations with lung cancer risk for rs1143633 in the dominant model [adjusted-OR (95% CI) = 0.67 (0.52-0.85), P = 0.0012] and rs3136558 in the recessive model [adjusted-OR (95% CI) = 1.44 (1.05-1.98), P = 0.025]. Haplotype4 was associated with increased lung cancer risk [adjusted-OR (95% CI) = 1.55 (1.07-2.24), P = 0.021]. The variant G-allele of rs1143633 was protective in smoking sub-group of > 20 years. Using multifactor dimensionality reduction (MDR) analyses, we identified the three best candidate models of interactions and smoking-duration or IL1B rs1143633 as main effect. In conclusion, our findings suggest that IL1B SNP rs1143633 may associate with lower risk of lung cancer, confirming previously identified marker; IL1B SNP rs3136558 and haplotype4 consisting of IL1B htSNPs may associate with increasing risk of lung cancer; interactions of IL1B with POLR1G or PPP1R13L or smoking-duration, which is independent or combined, may involve in risk of lung cancer and lung squamous cell carcinoma.
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Affiliation(s)
- Jiaoyang Yin
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, 110034, People's Republic of China.
- Basic Medical School, Shenyang Medical College, Shenyang, 110034, People's Republic of China.
| | - Chunhong Wang
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, 110034, People's Republic of China
| | - Ulla Vogel
- National Research Centre for the Working Environment, 2100, Copenhagen, Denmark
| | - Yegang Ma
- Department of Thoracic Surgery, Liaoning Cancer Hospital, Shenyang, 110042, People's Republic of China
| | - Ying Zhang
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, 110034, People's Republic of China
| | - Huiwen Wang
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, 110034, People's Republic of China
| | - Zhenxiang Sun
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, 110034, People's Republic of China
| | - Shuai Du
- College of Information, Liaoning University, Shenyang, 110036, People's Republic of China
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Wang S, Li Y, Yue Y, Yuan C, Kang JH, Chavarro JE, Bhupathiraju SN, Roberts AL. Adherence to Healthy Lifestyle Prior to Infection and Risk of Post-COVID-19 Condition. JAMA Intern Med 2023; 183:232-241. [PMID: 36745445 PMCID: PMC9989904 DOI: 10.1001/jamainternmed.2022.6555] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 12/04/2022] [Indexed: 02/07/2023]
Abstract
Importance Few modifiable risk factors for post-COVID-19 condition (PCC) have been identified. Objective To investigate the association between healthy lifestyle factors prior to SARS-CoV-2 infection and risk of PCC. Design, Setting, and Participants In this prospective cohort study, 32 249 women in the Nurses' Health Study II cohort reported preinfection lifestyle habits in 2015 and 2017. Healthy lifestyle factors included healthy body mass index (BMI, 18.5-24.9; calculated as weight in kilograms divided by height in meters squared), never smoking, at least 150 minutes per week of moderate to vigorous physical activity, moderate alcohol intake (5 to 15 g/d), high diet quality (upper 40% of Alternate Healthy Eating Index-2010 score), and adequate sleep (7 to 9 h/d). Main Outcomes and Measures SARS-CoV-2 infection (confirmed by test) and PCC (at least 4 weeks of symptoms) were self-reported on 7 periodic surveys administered from April 2020 to November 2021. Among participants with SARS-CoV-2 infection, the relative risk (RR) of PCC in association with the number of healthy lifestyle factors (0 to 6) was estimated using Poisson regression and adjusting for demographic factors and comorbidities. Results A total of 1981 women with a positive SARS-CoV-2 test over 19 months of follow-up were documented. Among those participants, mean age was 64.7 years (SD, 4.6; range, 55-75); 97.4% (n = 1929) were White; and 42.8% (n = 848) were active health care workers. Among these, 871 (44.0%) developed PCC. Healthy lifestyle was associated with lower risk of PCC in a dose-dependent manner. Compared with women without any healthy lifestyle factors, those with 5 to 6 had 49% lower risk (RR, 0.51; 95% CI, 0.33-0.78) of PCC. In a model mutually adjusted for all lifestyle factors, BMI and sleep were independently associated with risk of PCC (BMI, 18.5-24.9 vs others, RR, 0.85; 95% CI, 0.73-1.00, P = .046; sleep, 7-9 h/d vs others, RR, 0.83; 95% CI, 0.72-0.95, P = .008). If these associations were causal, 36.0% of PCC cases would have been prevented if all participants had 5 to 6 healthy lifestyle factors (population attributable risk percentage, 36.0%; 95% CI, 14.1%-52.7%). Results were comparable when PCC was defined as symptoms of at least 2-month duration or having ongoing symptoms at the time of PCC assessment. Conclusions and Relevance In this prospective cohort study, pre-infection healthy lifestyle was associated with a substantially lower risk of PCC. Future research should investigate whether lifestyle interventions may reduce risk of developing PCC or mitigate symptoms among individuals with PCC or possibly other postinfection syndromes.
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Affiliation(s)
- Siwen Wang
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Yanping Li
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Yiyang Yue
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Changzheng Yuan
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
- Zhejiang University School of Public Health, Hangzhou, China
| | - Jae Hee Kang
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Jorge E. Chavarro
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Shilpa N. Bhupathiraju
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Andrea L. Roberts
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
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Kelesidis T, Sharma M, Satta S, Tran E, Gupta R, Araujo JA, Middlekauff HR. Ectodomain shedding of proteins important for SARS-CoV-2 pathogenesis in plasma of tobacco cigarette smokers compared to electronic cigarette vapers: a cross-sectional study. J Mol Med (Berl) 2023; 101:327-335. [PMID: 36759357 PMCID: PMC9911331 DOI: 10.1007/s00109-023-02286-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 01/11/2023] [Accepted: 01/14/2023] [Indexed: 02/11/2023]
Abstract
The impact of tobacco cigarette (TCIG) smoking and electronic cigarette (ECIG) vaping on the risk of development of severe COVID-19 is controversial. The present study investigated levels of proteins important for SARS-CoV-2 pathogenesis present in plasma because of ectodomain shedding in smokers, ECIG vapers, and non-smokers (NSs). Protein levels of soluble angiotensin-converting enzyme 2 (ACE2), angiotensin (Ang) II (the ligand of ACE2), Ang 1-7 (the main peptide generated from Ang II by ACE2 activity), furin (a protease that increases the affinity of the SARS-CoV-2 spike protein for ACE2), and products of ADAM17 shedding activity that predict morbidity in COVID-19 (IL-6/IL-6R alpha (IL-6/IL-6Rα) complex, soluble CD163 (sCD163), L-selectin) were determined in plasma from 45 NSs, 30 ECIG vapers, and 29 TCIG smokers using ELISA. Baseline characteristics of study participants did not differ among groups. TCIG smokers had increased sCD163, L-selectin compared to NSs and ECIG vapers (p < 0.001 for all comparisons). ECIG vapers had higher plasma furin compared to both NSs (p < 0.001) and TCIG smokers (p < 0.05). ECIG vaping and TCIG smoking did not impact plasma ACE2, Ang 1-7, Ang II, and IL-6 levels compared to NSs (p > 0.1 for all comparisons). Further studies are needed to determine if increased furin activity and ADAM17 shedding activity that is associated with increased plasma levels of sCD163 and L-selectin in healthy young TCIG smokers may contribute to the future development of severe COVID-19 and cardiovascular complications of post-acute COVID-19 syndrome.
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Affiliation(s)
- Theodoros Kelesidis
- Department of Medicine, Division of Infectious Disease, David Geffen School of Medicine at UCLA, 47-100 CHS, 10833 Le Conte Avenue, Los Angeles, CA, 90095, USA.
| | - Madhav Sharma
- Department of Medicine, Division of Infectious Disease, David Geffen School of Medicine at UCLA, 47-100 CHS, 10833 Le Conte Avenue, Los Angeles, CA, 90095, USA
| | - Sandro Satta
- Department of Medicine, Division of Infectious Disease, David Geffen School of Medicine at UCLA, 47-100 CHS, 10833 Le Conte Avenue, Los Angeles, CA, 90095, USA
| | - Elizabeth Tran
- Department of Medicine, Division of Cardiology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Rajat Gupta
- Department of Medicine, Division of Cardiology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Jesus A Araujo
- Department of Medicine, Division of Cardiology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
- Department of Environmental Health Sciences, Fielding School of Public Health at UCLA, Los Angeles, CA, USA
| | - Holly R Middlekauff
- Department of Medicine, Division of Cardiology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
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Hamon R, Ween MP. E-Cigarette Vapour Increases ACE2 and TMPRSS2 Expression in a Flavour- and Nicotine-Dependent Manner. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:14955. [PMID: 36429673 PMCID: PMC9691196 DOI: 10.3390/ijerph192214955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/06/2022] [Accepted: 11/08/2022] [Indexed: 06/16/2023]
Abstract
COVID-19 infects via the respiratory system, but it can affect multiple systems and lead to multi system failure. There is growing evidence that smoking may be associated with higher rates of COVID-19 infections and worse outcomes due to increased levels of ACE2 in lung epithelial cells, but it is unknown whether E-cigarette use may lead to increased risk of COVID-19 infection from the SARS-CoV-2 virus. In this study, healthy donor bronchial epithelial cells (NHBE) and monocyte-derived macrophages (MDM) were exposed to cigarette smoke extract (CSE) or nicotine or flavoured E-cigarette vapour extract (EVE) before the assessment of SARS-CoV-2 recognition receptors ACE2 and TMPRSS2 genes. MDMs exposed to CSE and Tobacco EVE showed increased ACE2 expression; however, no treatment altered the TMPRSS2 expression. ACE2 was found to be upregulated by >2-fold in NHBE cells exposed to CSE, as well as nicotine, banana, or chocolate EVE, while TMPRSS2 was only upregulated by CSE or nicotine EVE exposure. These findings suggesting that flavourings can increase ACE2 expression in multiple cell types, while TMPRSS2 expression increases are limited to the epithelial cells in airways and may be limited to nicotine and/or cigarette smoke exposure. Therefore, increased risk of COVID-19 infection cannot be ruled out for vapers.
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Affiliation(s)
- Rhys Hamon
- School of Medicine, Faculty of Health Sciences, University of Adelaide, Adelaide 5000, Australia
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide 5000, Australia
| | - Miranda P. Ween
- School of Medicine, Faculty of Health Sciences, University of Adelaide, Adelaide 5000, Australia
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide 5000, Australia
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Wasfi RA, Bang F, de Groh M, Champagne A, Han A, Lang JJ, McFaull SR, Melvin A, Pipe AL, Saxena S, Thompson W, Warner E, Prince SA. Chronic health effects associated with electronic cigarette use: A systematic review. Front Public Health 2022; 10:959622. [PMID: 36276349 PMCID: PMC9584749 DOI: 10.3389/fpubh.2022.959622] [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: 06/01/2022] [Accepted: 08/29/2022] [Indexed: 01/24/2023] Open
Abstract
Introduction Over the last decade, e-cigarette use has been on the rise but with growing health concerns. The objective of this systematic review was to update findings for chronic health outcomes associated with e-cigarette use from the 2018 National Academies of Sciences, Engineering, and Medicine (NASEM) report. Methods Three bibliographic databases were searched to identify studies comparing the chronic health effects of e-cigarette users (ECU) to non-smokers (NS), smokers, and/or dual users indexed between 31 August 2017 and 29 January 2021. Two independent reviewers screened abstracts and full texts. Data were extracted by one reviewer and verified by a second one. Outcomes were synthesized in a narrative manner using counts and based on statistical significance and direction of the association stratified by study design and exposure type. Risk of bias and certainty of evidence was assessed. The protocol was prospectively registered on Open Science Framework https://osf.io/u9btp. Results A total of 180 articles were eligible. This review focused on 93 studies for the 11 most frequently reported outcomes and from which 59 reported on daily e-cigarette use. The certainty of evidence for all outcomes was very low because of study design (84% cross-sectional) and exposure type (27% reported on exclusive ECU, i.e., never smoked traditional cigarettes). Overall, the summary of results for nearly all outcomes, including inflammation, immune response, periodontal and peri-implant clinical parameters, lung function, respiratory symptoms, and cardiovascular disease, suggested either non-significant or mixed results when daily ECU was compared to NS. This was also observed when comparing exclusive ECU to NS. The only notable exception was related to oral health where most (11/14) studies reported significantly higher inflammation among daily ECU vs. NS. Compared to the smokers, the exclusive-ECUs had no statistically significant differences in inflammation orperiodontal clinical parameters but had mixed findings for peri-implant clinical parameters. Conclusions This review provides an update to the 2018 NASEM report on chronic health effects of e-cigarette use. While the number of studies has grown, the certainty of evidence remains very low largely because of cross-sectional designs and lack of reporting on exclusive e-cigarette exposure. There remains a need for higher quality intervention and prospective studies to assess causality, with a focus on exclusive e-cigarette use.
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Affiliation(s)
- Rania A. Wasfi
- Applied Research Division, Centre for Surveillance and Applied Research, Health Promotion and Chronic Disease Prevention Branch, Public Health Agency of Canada, Ottawa, ON, Canada,*Correspondence: Rania A. Wasfi
| | - Felix Bang
- Surveillance and Epidemiology Division, Centre for Immunization and Respiratory Infectious Diseases, Infectious Diseases Programs Branch, Public Health Agency of Canada, Ottawa, ON, Canada
| | - Margaret de Groh
- Applied Research Division, Centre for Surveillance and Applied Research, Health Promotion and Chronic Disease Prevention Branch, Public Health Agency of Canada, Ottawa, ON, Canada
| | - Andre Champagne
- Behaviours, Environments and Lifespan Division, Centre for Surveillance and Applied Research, Health Promotions and Chronic Disease Prevention Branch, Public Health Agency of Canada, Ottawa, ON, Canada
| | - Arum Han
- School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Justin J. Lang
- Applied Research Division, Centre for Surveillance and Applied Research, Health Promotion and Chronic Disease Prevention Branch, Public Health Agency of Canada, Ottawa, ON, Canada,School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Steven R. McFaull
- Behaviours, Environments and Lifespan Division, Centre for Surveillance and Applied Research, Health Promotions and Chronic Disease Prevention Branch, Public Health Agency of Canada, Ottawa, ON, Canada
| | - Alexandria Melvin
- Centre for Indigenous Statistics and Partnerships, Statistics Canada, Ottawa, ON, Canada
| | - Andrew Lawrence Pipe
- Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada,Division of Cardiac Prevention & Rehabilitation, University of Ottawa Heart Institute, Ottawa, ON, Canada
| | - Shika Saxena
- Behaviours, Environments and Lifespan Division, Centre for Surveillance and Applied Research, Health Promotions and Chronic Disease Prevention Branch, Public Health Agency of Canada, Ottawa, ON, Canada
| | - Wendy Thompson
- Behaviours, Environments and Lifespan Division, Centre for Surveillance and Applied Research, Health Promotions and Chronic Disease Prevention Branch, Public Health Agency of Canada, Ottawa, ON, Canada
| | - Emily Warner
- Vaccine Safety, Vaccine Surveillance, Public Health Agency of Canada, Ottawa, ON, Canada
| | - Stephanie A. Prince
- Applied Research Division, Centre for Surveillance and Applied Research, Health Promotion and Chronic Disease Prevention Branch, Public Health Agency of Canada, Ottawa, ON, Canada,School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada,Stephanie A. Prince
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Karimabad MN, Hassanshahi G, Kounis NG, Mplani V, Roditis P, Gogos C, Lagadinou M, Assimakopoulos SF, Dousdampanis P, Koniari I. The Chemokines CXC, CC and C in the Pathogenesis of COVID-19 Disease and as Surrogates of Vaccine-Induced Innate and Adaptive Protective Responses. Vaccines (Basel) 2022; 10:vaccines10081299. [PMID: 36016187 PMCID: PMC9416781 DOI: 10.3390/vaccines10081299] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 08/08/2022] [Accepted: 08/08/2022] [Indexed: 02/07/2023] Open
Abstract
COVID-19 is one of the progressive viral pandemics that originated from East Asia. COVID-19 or SARS-CoV-2 has been shown to be associated with a chain of physio-pathological mechanisms that are basically immunological in nature. In addition, chemokines have been proposed as a subgroup of chemotactic cytokines with different activities ranging from leukocyte recruitment to injury sites, irritation, and inflammation to angiostasis and angiogenesis. Therefore, researchers have categorized the chemotactic elements into four classes, including CX3C, CXC, CC, and C, based on the location of the cysteine motifs in their structures. Considering the severe cases of COVID-19, the hyperproduction of particular chemokines occurring in lung tissue as well as pro-inflammatory cytokines significantly worsen the disease prognosis. According to the studies conducted in the field documenting the changing expression of CXC and CC chemokines in COVID-19 cases, the CC and CXC chemokines contribute to this pandemic, and their impact could reflect the development of reasonable strategies for COVID-19 management. The CC and the CXC families of chemokines are important in host immunity to viral infections and along with other biomarkers can serve as the surrogates of vaccine-induced innate and adaptive protective responses, facilitating the improvement of vaccine efficacy. Furthermore, the immunogenicity elicited by the chemokine response to adenovirus vector vaccines may constitute the basis of vaccine-induced immune thrombotic thrombocytopaenia.
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Affiliation(s)
- Mojgan Noroozi Karimabad
- Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan 7717933777, Iran
| | - Gholamhossein Hassanshahi
- Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan 7717933777, Iran
| | - Nicholas G. Kounis
- Department of Internal Medicine, Division of Cardiology, University of Patras Medical School, 26500 Patras, Greece
- Correspondence:
| | - Virginia Mplani
- Intensive Care Unit, Patras University Hospital, 26500 Patras, Greece
| | - Pavlos Roditis
- Department of Cardiology, Mamatsio Kozanis General Hospital, 50100 Kozani, Greece
| | - Christos Gogos
- COVID-19 Unit, Papageorgiou General Hospital, 56403 Thessaloniki, Greece
| | - Maria Lagadinou
- Department of Internal Medicine, Division of Infectious Diseases, University of Patras Medical School, 26500 Patras, Greece
| | - Stelios F. Assimakopoulos
- Department of Internal Medicine, Division of Infectious Diseases, University of Patras Medical School, 26500 Patras, Greece
| | - Periklis Dousdampanis
- Department of Nephrology, Saint Andrews State General Hospital, 26221 Patras, Greece
| | - Ioanna Koniari
- Department of Cardiology, University Hospital of South Manchester, NHS Foundation Trust, Manchester M23 9LT, UK
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Wold LE, Tarran R, Crotty Alexander LE, Hamburg NM, Kheradmand F, St Helen G, Wu JC. Cardiopulmonary Consequences of Vaping in Adolescents: A Scientific Statement From the American Heart Association. Circ Res 2022; 131:e70-e82. [PMID: 35726609 DOI: 10.1161/res.0000000000000544] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Although the US Food and Drug Administration has not approved e-cigarettes as a cessation aid, industry has at times positioned their products in that way for adults trying to quit traditional cigarettes; however, their novelty and customizability have driven them into the hands of unintended users, particularly adolescents. Most new users of e-cigarette products have never smoked traditional cigarettes; therefore, understanding the respiratory and cardiovascular consequences of e-cigarette use has become of increasing interest to the research community. Most studies have been performed on adult e-cigarette users, but the majority of these study participants are either former traditional smokers or smokers who have used e-cigarettes to switch from traditional smoking. Therefore, the respiratory and cardiovascular consequences in this population are not attributable to e-cigarette use alone. Preclinical studies have been used to study the effects of naive e-cigarette use on various organ systems; however, almost all of these studies have used adult animals, which makes translation of health effects to adolescents problematic. Given that inhalation of any foreign substance can have effects on the respiratory and cardiovascular systems, a more holistic understanding of the pathways involved in toxicity could help to guide researchers to novel therapeutic treatment strategies. The goals of this scientific statement are to provide salient background information on the cardiopulmonary consequences of e-cigarette use (vaping) in adolescents, to guide therapeutic and preventive strategies and future research directions, and to inform public policymakers on the risks, both short and long term, of vaping.
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11
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SARS-CoV-2/COVID-19 and its relationship with NOD2 and ubiquitination. Clin Immunol 2022; 238:109027. [PMID: 35513305 PMCID: PMC9059341 DOI: 10.1016/j.clim.2022.109027] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/24/2022] [Accepted: 04/22/2022] [Indexed: 01/25/2023]
Abstract
COVID-19 infection activates the immune system to cause autoimmune and autoinflammatory diseases. We provide a comprehensive review of the relationship between SARS-CoV-2, NOD2 and ubiquitination. COVID-19 infection partly results from host inborn errors and genetic factors and can lead to autoinflammatory disease. The interaction between defective NOD2 and viral infection may trigger NOD2-associated disease. SARS-CoV-2 can alter UBA1 and abnormal ubiquitination leading to VEXAS syndrome. Both NOD2 and ubiquitination play important roles in controlling inflammatory process. Receptor interacting protein kinase 2 is a key component of the NOD2 activation pathway and becomes ubiquitinated to recruit downstream effector proteins. NOD2 mutations result in loss of ubiquitin binding and increase ligand-stimulated NOD2 signaling. During viral infection, mutations of either NOD2 or UBA1 genes or in combination can facilitate autoinflammatory disease. COVID-19 infection can cause autoinflammatory disease. There are reciprocal interactions between SARS-CoV-2, NOD2 and ubiquitination.
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Involvement of the ACE2/Ang-(1-7)/MasR Axis in Pulmonary Fibrosis: Implications for COVID-19. Int J Mol Sci 2021; 22:ijms222312955. [PMID: 34884756 PMCID: PMC8657555 DOI: 10.3390/ijms222312955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/11/2021] [Accepted: 11/19/2021] [Indexed: 01/18/2023] Open
Abstract
Pulmonary fibrosis is a chronic, fibrotic lung disease affecting 3 million people worldwide. The ACE2/Ang-(1–7)/MasR axis is of interest in pulmonary fibrosis due to evidence of its anti-fibrotic action. Current scientific evidence supports that inhibition of ACE2 causes enhanced fibrosis. ACE2 is also the primary receptor that facilitates the entry of SARS-CoV-2, the virus responsible for the current COVID-19 pandemic. COVID-19 is associated with a myriad of symptoms ranging from asymptomatic to severe pneumonia and acute respiratory distress syndrome (ARDS) leading to respiratory failure, mechanical ventilation, and often death. One of the potential complications in people who recover from COVID-19 is pulmonary fibrosis. Cigarette smoking is a risk factor for fibrotic lung diseases, including the idiopathic form of this disease (idiopathic pulmonary fibrosis), which has a prevalence of 41% to 83%. Cigarette smoke increases the expression of pulmonary ACE2 and is thought to alter susceptibility to COVID-19. Cannabis is another popular combustible product that shares some similarities with cigarette smoke, however, cannabis contains cannabinoids that may reduce inflammation and/or ACE2 levels. The role of cannabis smoke in the pathogenesis of pulmonary fibrosis remains unknown. This review aimed to characterize the ACE2-Ang-(1–7)-MasR Axis in the context of pulmonary fibrosis with an emphasis on risk factors, including the SARS-CoV-2 virus and exposure to environmental toxicants. In the context of the pandemic, there is a dire need for an understanding of pulmonary fibrotic events. More research is needed to understand the interplay between ACE2, pulmonary fibrosis, and susceptibility to coronavirus infection.
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13
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Morris AM, Leonard SS, Fowles JR, Boots TE, Mnatsakanova A, Attfield KR. Effects of E-Cigarette Flavoring Chemicals on Human Macrophages and Bronchial Epithelial Cells. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:11107. [PMID: 34769627 PMCID: PMC8583527 DOI: 10.3390/ijerph182111107] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/18/2021] [Accepted: 10/19/2021] [Indexed: 11/16/2022]
Abstract
E-cigarettes utilize a wide range of flavoring chemicals with respiratory health effects that are not well understood. In this study, we used pulmonary-associated cell lines to assess the in vitro cytotoxic effects of 30 flavoring chemicals. Human bronchial epithelial cells (BEAS-2B) and both naïve and activated macrophages (THP-1) were treated with 10, 100, and 1000 µM of flavoring chemicals and analyzed for changes in viability, cell membrane damage, reactive oxygen species (ROS) production, and inflammatory cytokine release. Viability was unaffected for all chemicals at the 10 and 100 µM concentrations. At 1000 µM, the greatest reductions in viability were seen with decanal, hexanal, nonanal, cinnamaldehyde, eugenol, vanillin, alpha-pinene, and limonene. High amounts of ROS were elicited by vanillin, ethyl maltol, and the diketones (2,3-pentanedione, 2,3-heptanedione, and 2,3-hexanedione) from both cell lines. Naïve THP-1 cells produced significantly elevated levels of IL-1β, IL-8, and TNF-α when exposed to ethyl maltol and hexanal. Activated THP-1 cells released increased IL-1β and TNF-α when exposed to ethyl maltol, but many flavoring chemicals had an apparent suppressive effect on inflammatory cytokines released by activated macrophages, some with varying degrees of accompanying cytotoxicity. The diketones, L-carvone, and linalool suppressed cytokine release in the absence of cytotoxicity. These findings provide insight into lung cell cytotoxicity and inflammatory cytokine release in response to flavorings commonly used in e-cigarettes.
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Affiliation(s)
- Anna M. Morris
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA; (A.M.M.); (S.S.L.); (T.E.B.); (A.M.)
- Department of Basic Pharmaceutical Sciences, West Virginia University Health Sciences Center, Morgantown, WV 26505, USA
| | - Stephen S. Leonard
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA; (A.M.M.); (S.S.L.); (T.E.B.); (A.M.)
- Department of Basic Pharmaceutical Sciences, West Virginia University Health Sciences Center, Morgantown, WV 26505, USA
| | - Jefferson R. Fowles
- Environmental Health Investigations Branch, California Department of Public Health, Richmond, CA 94804, USA;
| | - Theresa E. Boots
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA; (A.M.M.); (S.S.L.); (T.E.B.); (A.M.)
| | - Anna Mnatsakanova
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA; (A.M.M.); (S.S.L.); (T.E.B.); (A.M.)
| | - Kathleen R. Attfield
- Environmental Health Investigations Branch, California Department of Public Health, Richmond, CA 94804, USA;
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14
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AlMatrouk A, Lemons K, Ogura T, Lin W. Modification of the Peripheral Olfactory System by Electronic Cigarettes. Compr Physiol 2021; 11:2621-2644. [PMID: 34661289 DOI: 10.1002/cphy.c210007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Electronic cigarettes (e-cigs) are used by millions of adolescents and adults worldwide. Commercial e-liquids typically contain flavorants, propylene glycol, and vegetable glycerin with or without nicotine. These chemical constituents are detected and evaluated by chemosensory systems to guide and modulate vaping behavior and product choices of e-cig users. The flavorants in e-liquids are marketing tools. They evoke sensory percepts of appealing flavors through activation of chemical sensory systems to promote the initiation and sustained use of e-cigs. The vast majority of flavorants in e-liquids are volatile odorants, and as such, the olfactory system plays a dominant role in perceiving these molecules that enter the nasal cavity either orthonasally or retronasally during vaping. In addition to flavorants, e-cig aerosol contains a variety of by-products generated through heating the e-liquids, including odorous irritants, toxicants, and heavy metals. These harmful substances can directly and adversely impact the main olfactory epithelium (MOE). In this article, we first discuss the olfactory contribution to e-cig flavor perception. We then provide information on MOE cell types and their major functions in olfaction and epithelial maintenance. Olfactory detection of flavorants, nicotine, and odorous irritants and toxicants are also discussed. Finally, we discuss the cumulated data on modification of the MOE by flavorant exposure and toxicological impacts of formaldehyde, acrolein, and heavy metals. Together, the information presented in this overview may provide insight into how e-cig exposure may modify the olfactory system and adversely impact human health through the alteration of the chemosensory factor driving e-cig use behavior and product selections. © 2021 American Physiological Society. Compr Physiol 11:2621-2644, 2021.
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Affiliation(s)
- Abdullah AlMatrouk
- General Department of Criminal Evidence, Forensic Laboratories, Ministry of Interior, Farwaniyah, Kuwait.,Department of Biological Sciences, University of Maryland Baltimore County, Baltimore, Maryland, USA
| | - Kayla Lemons
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, North Carolina, USA.,Department of Biological Sciences, University of Maryland Baltimore County, Baltimore, Maryland, USA
| | - Tatsuya Ogura
- Department of Biological Sciences, University of Maryland Baltimore County, Baltimore, Maryland, USA
| | - Weihong Lin
- Department of Biological Sciences, University of Maryland Baltimore County, Baltimore, Maryland, USA
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15
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Ali MR, Hasan MA, Rahman MS, Billah M, Karmakar S, Shimu AS, Hossain MF, Maruf MMH, Rahman MS, Saju MSR, Hasan MR, Acharjee UK, Hasan MF. Clinical manifestations and socio-demographic status of COVID-19 patients during the second-wave of pandemic: A Bangladeshi experience. J Infect Public Health 2021; 14:1367-1374. [PMID: 34215560 PMCID: PMC8233048 DOI: 10.1016/j.jiph.2021.06.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 06/15/2021] [Accepted: 06/16/2021] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Bangladesh is a densely populated country with a substandard healthcare system and a mediocre economic framework. Due to the enormous number of people who have been unaware until now, the development of COVID-19's second-wave infection has become a severe threat. The present investigation aimed to characterize the clinical and socio-demographic characteristics of COVID-19 in Bangladesh. METHODS A cross-sectional analysis was carried out from all the other COVID-19 patients and confirmed by RT-PCR undergoing a specialized COVID-19 hospital. From March 1 to April 15, 2021, a total of 1326 samples were collected. Samples were only obtained from non-critical COVID-19 patients as critically ill patients required emergency intensive care medications. Then, from April 17 to May 03, 2021, SARS-CoV-2 infection and clinical assessment was performed based on interim guidelines from the WHO. The diagnosis was conducted through RT-PCR. Later, identifying the symptomatic and asymptomatic patient based on checking the Clinical Observation Form (COF). The patients filled the COF form. Finally, statistical analyses were done using the SPSS 20 statistical program. RESULTS In this investigation, a total of 326 patients were diagnosed as COVID-19 positive. Among them, approximately 19.02% (n = 62) were asymptomatic, and 80.98% (n = 264) were symptomatic. Here, the finding shows that the occurrence of this infection was varied depending on age, sex, residence, occupation, smoking habit, comorbidities, etc. However, Males (60.12%) were more affected than females (39.88%), and, surprisingly, this pandemic infected both urban and rural residents almost equally (urban = 50.92%; rural = 49.08%). Approximately 19% of the asymptomatic and 62% of symptomatic cases had at least one comorbid disorder. Interestingly, an unexpected result was exhibited in the case of smokers, where non-smokers were more affected than smokers. The study indicates community transmission of COVID 19, where people were highly infected at their occupations (35.58%), at houses (23.93%) and by traveling (12.88%). Noteworthy, according to this report, a large number (19.33%) of individuals did not know exactly how they were contaminated with SARS-CoV-2. Patients were most commonly treated by an antibiotic 95.09%, followed in second by corticosteroid 46.01%. Anti-viral drugs, remdesivir, and oxygenation are also needed for other patients. Among those, who were being treated, approximately 69.33% were isolated at home, 27.91% were being treated at dedicated COVID-19 hospitals. Finally, 96.63% were discharged without complications, and 0.03% has died. CONCLUSION This investigation concludes that males became more infected than females. Interestingly, both urban and rural people became nearly equally infected. It noticed community transmission of SARS-CoV-2, where people were highly infected at their workplaces. A higher rate of silent transmission indicates that more caution is needed to identify asymptomatic patients. Most of the infected people were isolated at home whereas nearly one-fourth were treated at hospitals. Clinically, antibiotics were the most widely used treatment. However, the majority of the patients were discharged without complications. The current investigation would be helpful to understand the clinical manifestations and socio-demographic situations during the second wave of the COVID-19 pandemic in Bangladesh.
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Affiliation(s)
- Md Roushan Ali
- Professor Joarder DNA and Chromosome Research Laboratory, Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi 6205, Bangladesh; The First Affiliated Hospital, School of Life Sciences and Medical Center, University of Science and Technology of China (USTC), Hefei, Anhui 230027, China.
| | - Md Amit Hasan
- Professor Joarder DNA and Chromosome Research Laboratory, Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi 6205, Bangladesh
| | - Md Siddikur Rahman
- Professor Joarder DNA and Chromosome Research Laboratory, Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi 6205, Bangladesh
| | - Mutasim Billah
- Professor Joarder DNA and Chromosome Research Laboratory, Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi 6205, Bangladesh
| | - Sumon Karmakar
- Department of Genetic Engineering & Biotechnology, University of Rajshahi, Rajshahi 6205, Bangladesh
| | - Ajmeri Sultana Shimu
- Department of Medical Oncology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, Anhui 230027, China
| | - Md Firose Hossain
- Department of Molecular and Functional Genomics, Interdisciplinary Center for Science Research, Shimane University, Matsue 690-8504, Japan
| | - Md Mahmudul Hasan Maruf
- Department of Genetic Engineering & Biotechnology, University of Rajshahi, Rajshahi 6205, Bangladesh
| | - Md Sojiur Rahman
- Professor Joarder DNA and Chromosome Research Laboratory, Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi 6205, Bangladesh
| | | | | | - Uzzal Kumar Acharjee
- Professor Joarder DNA and Chromosome Research Laboratory, Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi 6205, Bangladesh
| | - Md Faruk Hasan
- Department of Microbiology, University of Rajshahi, Rajshahi 6205, Bangladesh.
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16
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Besaratinia A. COVID-19: a pandemic converged with global tobacco epidemic and widespread vaping-state of the evidence. Carcinogenesis 2021; 42:1009-1022. [PMID: 34223886 PMCID: PMC8344766 DOI: 10.1093/carcin/bgab061] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/29/2021] [Accepted: 07/02/2021] [Indexed: 12/12/2022] Open
Abstract
This review highlights the convergence of three global health challenges at a crossroad where the pandemic of coronavirus disease 2019 (COVID-19) meets the tobacco epidemic and vaping. It begins with an overview of the current knowledge on the biology, pathophysiology and epidemiology of COVID-19. It then presents the state of smoking and vaping during the pandemic by summarizing the published data on prevalence, use patterns, product availability/accessibility, sales records and motivation to quit before and after the start of the pandemic. It highlights the state of evidence on the association of tobacco product use with COVID-19 infection and transmission rates, symptom severity and clinical outcomes. Also discussed are proposed biological mechanisms and behavioral factors that may modulate COVID-19 risk in tobacco product users. Furthermore, competing hypotheses on the protective effect of nicotine against COVID-19 as well as the claimed ‘smokers’ paradox’ are discussed. Considerations and challenges of COVID-19 vaccination in tobacco product users are underscored. Collectively, the present data show an ‘incomplete’ but rapidly shaping picture on the association of tobacco product use and COVID-19 infection, disease course and clinical outcomes. Evidence is also growing on the mechanisms by which tobacco product use may contribute to COVID-19 pathophysiology. Although we await definitive conclusions on the relative risk of COVID-19 infection in tobacco product users, compelling data confirm that many comorbidities associated with/caused by smoking predispose to COVID-19 infection, severe disease and poor prognosis. Additionally, it is becoming increasing clear that should smokers get the disease, they are more likely to have serious health consequences.
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Affiliation(s)
- Ahmad Besaratinia
- Department of Preventive Medicine, USC Keck School of Medicine, University of Southern California, M/C 9603, Los Angeles, CA, USA
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17
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Understanding Rising Electronic Cigarette Use. Obstet Gynecol 2021; 137:521-527. [PMID: 33543893 DOI: 10.1097/aog.0000000000004282] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 12/03/2020] [Indexed: 11/25/2022]
Abstract
Vaping is the act of inhaling an aerosol generated by an electronic cigarette (e-cigarette), a battery-powered device that heats a reservoir of liquid, typically nicotine-containing, to deliver contents to the user. E-cigarettes were initially introduced as a means of smoking cessation, although evidence of their effectiveness is limited. There is a widespread perception that these products are a safer alternative to conventional cigarettes, driven in large part by marketing efforts by e-cigarette manufacturers. Yet to achieve vaporization, temperatures are so high that components of the device hardware, such as metals, plastics, rubber and foam, are aerosolized and inhaled along with the vaporized e-liquid containing nicotine, flavoring and solvents. We do not fully understand the health consequences of such aerosol exposure, particularly long-term effects, but short-term negative cardiovascular and respiratory effects have been demonstrated. Very few studies have evaluated the reproductive effect of e-cigarette use. We do not know whether vaping during pregnancy affects birth outcomes or the lifelong health of the fetus. There has been an exponential rise in the use of e-cigarettes in the United States since their introduction, particularly among youths, while concurrently there has been a laudable reduction in conventional cigarette use. It is imperative that obstetrician-gynecologists have a basic understanding of e-cigarettes, screen all patients as is consistently done for conventional smoking, and provide resources to patients about potential negative consequences of use.
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18
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Besaratinia A, Tommasi S. The consequential impact of JUUL on youth vaping and the landscape of tobacco products: The state of play in the COVID-19 era. Prev Med Rep 2021; 22:101374. [PMID: 34168950 PMCID: PMC8207461 DOI: 10.1016/j.pmedr.2021.101374] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 04/06/2021] [Accepted: 04/08/2021] [Indexed: 12/23/2022] Open
Abstract
JUUL is a groundbreaking electronic cigarette (e-cig) and the preeminent vaping product on the market. We present an overview of the rapid and spectacular rise of JUUL and its remarkable fall within the timespan of 2015 - 2020. We highlight JUUL's entering the market in June 2015, becoming the industry leader in mid 2017, and experiencing a litany of setbacks by late 2019 through to early 2020. We address the role played by JUUL in the ongoing epidemic of youth vaping. We also feature competing views on the public health impact of JUUL use (in particular), and e-cig vaping (in general). We further highlight the latest trends in youth vaping and sales records for JUUL and tobacco cigarettes. In view of the ongoing pandemic of COVID-19, we briefly summarize the existing evidence on the relationship between vaping and smoking and the prevalence, disease course, and clinical outcomes of COVID-19.
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Key Words
- ACE2, angiotensin converting enzyme 2
- Adolescents
- CDC, Centers for Disease Control and Prevention
- COVID-19
- COVID-19, coronavirus disease 2019
- EVALI, e-cig, or vaping, product use-associated lung injury
- Electronic cigarettes
- Epidemic
- FDA, Food and Drug Administration
- FTC, Federal Trade Commission
- ITC, International Trade Commission
- JUUL
- NASEM, National Academy of Sciences, Engineering and Medicine NYTS, National Youth Tobacco Survey
- NRT, nicotine replacement therapy
- Nicotine
- PHE, Public Health England
- Pandemic
- Public health
- SARS-CoV-2, severe acute respiratory syndrome coronavirus 2
- Tobacco
- Youth vaping
- e-cig, electronic cigarette
- nAChR, nicotinic acetylcholine receptor
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Affiliation(s)
- Ahmad Besaratinia
- Department of Preventive Medicine, USC Keck School of Medicine, University of Southern California, M/C 9603, Los Angeles, CA 90033, USA
| | - Stella Tommasi
- Department of Preventive Medicine, USC Keck School of Medicine, University of Southern California, M/C 9603, Los Angeles, CA 90033, USA
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19
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Masso-Silva JA, Moshensky A, Shin J, Olay J, Nilaad S, Advani I, Bojanowski CM, Crotty S, Li WT, Ongkeko WM, Singla S, Crotty Alexander LE. Chronic E-Cigarette Aerosol Inhalation Alters the Immune State of the Lungs and Increases ACE2 Expression, Raising Concern for Altered Response and Susceptibility to SARS-CoV-2. Front Physiol 2021; 12:649604. [PMID: 34122126 PMCID: PMC8194307 DOI: 10.3389/fphys.2021.649604] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 04/06/2021] [Indexed: 12/21/2022] Open
Abstract
Conventional smoking is known to both increase susceptibility to infection and drive inflammation within the lungs. Recently, smokers have been found to be at higher risk of developing severe forms of coronavirus disease 2019 (COVID-19). E-cigarette aerosol inhalation (vaping) has been associated with several inflammatory lung disorders, including the recent e-cigarette or vaping product use-associated lung injury (EVALI) epidemic, and recent studies have suggested that vaping alters host susceptibility to pathogens such as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). To assess the impact of vaping on lung inflammatory pathways, including the angiotensin-converting enzyme 2 (ACE2) receptor known to be involved in SARS-CoV-2 infection, mice were exposed to e-cigarette aerosols for 60 min daily for 1-6 months and underwent gene expression analysis. Hierarchical clustering revealed extensive gene expression changes occurred in the lungs of both inbred C57BL/6 mice and outbred CD1 mice, with 2,933 gene expression changes in C57BL/6 mice, and 2,818 gene expression changes in CD1 mice (>abs 1.25-fold change). Particularly, large reductions in IgA and CD4 were identified, indicating impairment of host responses to pathogens via reductions in immunoglobulins and CD4 T cells. CD177, facmr, tlr9, fcgr1, and ccr2 were also reduced, consistent with diminished host defenses via decreased neutrophils and/or monocytes in the lungs. Gene set enrichment (GSE) plots demonstrated upregulation of gene expression related to cell activation specifically in neutrophils. As neutrophils are a potential driver of acute lung injury in COVID-19, increased neutrophil activation in the lungs suggests that vapers are at higher risk of developing more severe forms of COVID-19. The receptor through which SARS-CoV-2 infects host cells, ACE2, was found to have moderate upregulation in mice exposed to unflavored vape pens, and further upregulation (six-fold) with JUUL mint aerosol exposure. No changes were found in mice exposed to unflavored Mod device-generated aerosols. These findings suggest that specific vaping devices and components of e-liquids have an effect on ACE2 expression, thus potentially increasing susceptibility to SARS-CoV-2. In addition, exposure to e-cigarette aerosols both with and without nicotine led to alterations in eicosanoid lipid profiles within the BAL. These data demonstrate that chronic, daily inhalation of e-cigarette aerosols fundamentally alters the inflammatory and immune state of the lungs. Thus, e-cigarette vapers may be at higher risk of developing infections and inflammatory disorders of the lungs.
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Affiliation(s)
- Jorge A. Masso-Silva
- Pulmonary Critical Care Section, VA San Diego Healthcare System, La Jolla, CA, United States
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego (UCSD), La Jolla, La Jolla, CA, United States
| | - Alexander Moshensky
- Pulmonary Critical Care Section, VA San Diego Healthcare System, La Jolla, CA, United States
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego (UCSD), La Jolla, La Jolla, CA, United States
| | - John Shin
- Pulmonary Critical Care Section, VA San Diego Healthcare System, La Jolla, CA, United States
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego (UCSD), La Jolla, La Jolla, CA, United States
| | - Jarod Olay
- Pulmonary Critical Care Section, VA San Diego Healthcare System, La Jolla, CA, United States
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego (UCSD), La Jolla, La Jolla, CA, United States
| | - Sedtavut Nilaad
- Pulmonary Critical Care Section, VA San Diego Healthcare System, La Jolla, CA, United States
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego (UCSD), La Jolla, La Jolla, CA, United States
| | - Ira Advani
- Pulmonary Critical Care Section, VA San Diego Healthcare System, La Jolla, CA, United States
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego (UCSD), La Jolla, La Jolla, CA, United States
| | - Christine M. Bojanowski
- Pulmonary Critical Care Section, VA San Diego Healthcare System, La Jolla, CA, United States
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego (UCSD), La Jolla, La Jolla, CA, United States
- Division of Pulmonary Critical Care, Department of Medicine, Tulane University, New Orleans, LA, United States
| | - Shane Crotty
- Department of Medicine, La Jolla Institute of Allergy and Immunology, La Jolla, CA, United States
| | - Wei Tse Li
- Department of Otolaryngology-Head and Neck Surgery, UCSD, La Jolla, CA, United States
| | - Weg M. Ongkeko
- Department of Otolaryngology-Head and Neck Surgery, UCSD, La Jolla, CA, United States
| | - Sunit Singla
- Division of Pulmonary Critical Care, Department of Medicine, University of Illinois, Chicago, IL, United States
| | - Laura E. Crotty Alexander
- Pulmonary Critical Care Section, VA San Diego Healthcare System, La Jolla, CA, United States
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego (UCSD), La Jolla, La Jolla, CA, United States
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20
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Raspe M, Bals R, Hering T, Pankow W, Rupp A, Rustler C, Urlbauer M, Andreas S. [COVID-19 and Smoking - A Position Paper by the DGP Taskforce for Smoking Cessation]. Pneumologie 2021; 75:846-855. [PMID: 34041722 DOI: 10.1055/a-1503-1744] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Tobacco smoking is associated with severe health risks. In 2020, the WHO estimated that 8 million people have died due to smoking. Furthermore, smoking tobacco is a well-known risk factor for various infectious pulmonary diseases. The question raised, whether smoking is facilitating SARS-CoV-2-infections and increases adverse outcomes of COVID-19. To answer these questions a narrative review was conducted, finally including 7 systematic reviews with meta-analyses published in January and February 2021. Tobacco smoking was associated with an increased COVID-19 disease severity (odds ratio range of active vs. never smokers 1.55-2.19 and former vs. never smokers 1.20-2.48) and an increased COVID-19 in-hospital mortality (odds ratio range of active vs. never smokers 1.35-1.51 and former vs. never smokers 1.26-2.58). Beside immediate pulmonary toxic effects through active smoking, the cumulative livelong tobacco exposition and subsequent tobacco-associated diseases seem to predominantly predict adverse outcomes in patients with COVID-19. Data regarding an increased risk of infection among smokers is conflicting. However, a large observational study from England with 2.4 million persons reported an association between tobacco smoking and typical symptoms of COVID-19. For e-cigarettes and vaping less data exist, but experimental and first clinical investigations also suggest an increased risk for adverse outcomes for their use and SARS-CoV-2 infections. Especially during the current SARS-CoV-2 pandemic with limited therapeutic options it is particularly important to advise smokers of their increased risks for unfavourable COVID-19 outcomes. Evidence based support for smoking cessation should be offered. In Germany, the existing and well-established methods to support tobacco cessation need to be reimbursed by statutory health insurances.
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Affiliation(s)
- Matthias Raspe
- Charité - Universitätsmedizin Berlin, Mitglied der Freien Universität Berlin, Humboldt-Universität zu Berlin, und des Berlin Institute of Health, Medizinische Klinik m. S. Infektiologie und Pneumologie, Berlin
| | - Robert Bals
- Klinik für Innere Medizin V - Pneumologie, Allergologie, Beatmungsmedizin, Universitätsklinikum des Saarlandes, Homburg/Saar
| | | | - Wulf Pankow
- Vertreter der DGP im Aktionsbündnis Nichtrauchen (ABNR; Büro Berlin), Berlin
| | | | - Christa Rustler
- Deutsches Netz Rauchfreier Krankenhäuser & Gesundheitseinrichtungen DNRfK e. V., Berlin
| | - Matthias Urlbauer
- Medizinische Klinik 3 (Schwerpunkt Pneumologie) am Klinikum Nürnberg, Universitätsklinik der Paracelsus Medizinischen Privatuniversität, Nürnberg
| | - Stefan Andreas
- Lungenfachklinik Immenhausen, Immenhausen, außerdem Abteilung Kardiologie und Pneumologie der Universitätsmedizin Göttingen und Deutsches Zentrum für Lungenforschung
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21
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Cazzola M, Ora J, Bianco A, Rogliani P, Matera MG. Management of COPD patients during COVID: difficulties and experiences. Expert Rev Respir Med 2021; 15:1025-1033. [PMID: 33975511 DOI: 10.1080/17476348.2021.1929176] [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: 10/21/2022]
Abstract
Introduction: The role of COPD in COVID-19 is not yet well understood. However, there is increasing evidence showing that COPD patients with COVID-19 have a higher risk of presenting a serious infection, a greater likelihood of requiring ICU support, and a higher mortality than other groups.Areas covered: In this article, we address some critical questions on COVID-19 as they pertain to COPD. In particular, we discuss whether the usual algorithms of pharmacological and non-pharmacological management in COPD still apply.Expert opinion: Patients with COPD must continue their regular therapy, regardless of whether they are affected by COVID-19. Corticosteroids reduce mortality in COVID-19 patients in need of supportive oxygen therapy or invasive mechanical ventilation. It is essential that a COPD patient who has tested positive for SARS-CoV-2 is closely followed over time because any delay in diagnosis and initiation of appropriate therapy could negatively affect his/her prognosis. However, we still do not know if COVID-19 infection occurs and evolves differently in each of the recognized COPD phenotypes and, therefore, whether it needs a different management. There are other open questions concerning COVID-19 and COPD that need to be considered. Future studies are absolutely necessary to answer these questions.
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Affiliation(s)
- Mario Cazzola
- Department of Experimental Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Josuel Ora
- Respiratory Diseases Unit, "Tor Vergata" University Hospital, Rome, Italy
| | - Andrea Bianco
- Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli"/Monaldi Hospital, Naples, Italy
| | - Paola Rogliani
- Department of Experimental Medicine, University of Rome "Tor Vergata", Rome, Italy.,Respiratory Diseases Unit, "Tor Vergata" University Hospital, Rome, Italy
| | - Maria Gabriella Matera
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy
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22
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Marques P, Piqueras L, Sanz MJ. An updated overview of e-cigarette impact on human health. Respir Res 2021; 22:151. [PMID: 34006276 PMCID: PMC8129966 DOI: 10.1186/s12931-021-01737-5] [Citation(s) in RCA: 116] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 05/03/2021] [Indexed: 12/18/2022] Open
Abstract
The electronic cigarette (e-cigarette), for many considered as a safe alternative to conventional cigarettes, has revolutionised the tobacco industry in the last decades. In e-cigarettes, tobacco combustion is replaced by e-liquid heating, leading some manufacturers to propose that e-cigarettes have less harmful respiratory effects than tobacco consumption. Other innovative features such as the adjustment of nicotine content and the choice of pleasant flavours have won over many users. Nevertheless, the safety of e-cigarette consumption and its potential as a smoking cessation method remain controversial due to limited evidence. Moreover, it has been reported that the heating process itself can lead to the formation of new decomposition compounds of questionable toxicity. Numerous in vivo and in vitro studies have been performed to better understand the impact of these new inhalable compounds on human health. Results of toxicological analyses suggest that e-cigarettes can be safer than conventional cigarettes, although harmful effects from short-term e-cigarette use have been described. Worryingly, the potential long-term effects of e-cigarette consumption have been scarcely investigated. In this review, we take stock of the main findings in this field and their consequences for human health including coronavirus disease 2019 (COVID-19).
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Affiliation(s)
- Patrice Marques
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Avda. Blasco Ibañez 15, 46010, Valencia, Spain.,Institute of Health Research INCLIVA, University Clinic Hospital of Valencia, Valencia, Spain
| | - Laura Piqueras
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Avda. Blasco Ibañez 15, 46010, Valencia, Spain.,Institute of Health Research INCLIVA, University Clinic Hospital of Valencia, Valencia, Spain.,CIBERDEM-Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders, ISCIII, Av. Monforte de Lemos 3-5, 28029, Madrid, Spain
| | - Maria-Jesus Sanz
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Avda. Blasco Ibañez 15, 46010, Valencia, Spain. .,Institute of Health Research INCLIVA, University Clinic Hospital of Valencia, Valencia, Spain. .,CIBERDEM-Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders, ISCIII, Av. Monforte de Lemos 3-5, 28029, Madrid, Spain.
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23
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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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24
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Maggi F, Rosellini A, Spezia PG, Focosi D, Macera L, Lai M, Pistello M, de Iure A, Tomino C, Bonassi S, Russo P. Nicotine upregulates ACE2 expression and increases competence for SARS-CoV-2 in human pneumocytes. ERJ Open Res 2021; 7:00713-2020. [PMID: 33850935 PMCID: PMC7942220 DOI: 10.1183/23120541.00713-2020] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 01/24/2021] [Indexed: 12/12/2022] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic has a variable degree of severity according to underlying comorbidities and life-style. Several research groups have reported an association between cigarette smoking and increased severity of COVID-19. The exact mechanism of action is largely unclear. We exposed low angiotensin-converting enzyme 2 (ACE2)-expressing human pulmonary adenocarcinoma A549 epithelial cells to nicotine and assessed ACE2 expression at different times. We further used the nicotine-exposed cells in a virus neutralisation assay. Nicotine exposure induces rapid and long-lasting increases in gene and protein expression of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) receptor ACE2, which in turn translates into increased competence for SARS-CoV-2 replication and cytopathic effect. These findings show that nicotine worsens SARS-CoV-2 pulmonary infection and have implications for public health policies.
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Affiliation(s)
- Fabrizio Maggi
- Dept of Medicine and Surgery, University of Insubria, Varese, Italy
- Laboratory of Clinical Microbiology, ASST dei Sette Laghi, Varese, Italy
| | | | | | - Daniele Focosi
- North-Western Tuscany Blood Bank, Pisa University Hospital, Pisa, Italy
| | - Lisa Macera
- Virology Division, Pisa University Hospital, Pisa, Italy
- Dept of Translational Research, University of Pisa, Pisa, Italy
| | - Michele Lai
- Dept of Translational Research, University of Pisa, Pisa, Italy
| | - Mauro Pistello
- Virology Division, Pisa University Hospital, Pisa, Italy
- Dept of Translational Research, University of Pisa, Pisa, Italy
| | - Antonio de Iure
- Experimental Neurophysiology, IRCSS San Raffaele Pisana, Rome, Italy
| | - Carlo Tomino
- Scientific Direction, IRCSS San Raffaele Pisana, Rome, Italy
| | - Stefano Bonassi
- Clinical and Molecular Epidemiology, IRCSS San Raffaele Pisana, Rome, Italy
- Dept of Human Sciences and Quality of Life Promotion, San Raffaele University, Rome, Italy
| | - Patrizia Russo
- Clinical and Molecular Epidemiology, IRCSS San Raffaele Pisana, Rome, Italy
- Dept of Human Sciences and Quality of Life Promotion, San Raffaele University, Rome, Italy
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25
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SARS-CoV-2 infection and smoking: What is the association? A brief review. Comput Struct Biotechnol J 2021; 19:1654-1660. [PMID: 33777332 PMCID: PMC7985684 DOI: 10.1016/j.csbj.2021.03.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 03/12/2021] [Accepted: 03/20/2021] [Indexed: 02/06/2023] Open
Abstract
The link between smoking and the expression of SARS-CoV-2 key entry genes is discussed. Smoking-related cardiac and respiratory diseases are risk factors for COVID-19. The impact of smoking on ACE-2 and TMPRSS2 receptors expression is controversial.
Susceptibility to severe illness from COVID-19 is anticipated to be associated with cigarette smoking as it aggravates the risk of cardiovascular and respiratory illness, including infections. This is particularly important with the advent of a new strain of coronaviruses, the severe acute respiratory syndrome coronavirus (SARS-CoV-2) that has led to the present pandemic, coronavirus disease 2019 (COVID-19). Although, the effects of smoking on COVID-19 are less described and controversial, we presume a link between smoking and COVID-19. Smoking has been shown to enhance the expression of the angiotensin-converting enzyme-2 (ACE-2) and transmembrane serine protease 2 (TMPRSS2) key entry genes utilized by SARS-CoV-2 to infect cells and induce a ‘cytokine storm’, which further increases the severity of COVID-19 clinical course. Nevertheless, the impact of smoking on ACE-2 and TMPRSS2 receptors expression remains paradoxical. Thus, further research is necessary to unravel the association between smoking and COVID-19 and to pursue the development of potential novel therapies that are able to constrain the morbidity and mortality provoked by this infectious disease. Herein we present a brief overview of the current knowledge on the correlation between smoking and the expression of SARS-CoV-2 key entry genes, clinical manifestations, and disease progression.
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Key Words
- ACE2, angiotensin-converting enzyme-2
- ACEIs, Angiotensin‐converting enzyme inhibitors
- ADAM17, ADAM metallopeptidase domain 17
- ALCAM, activated leukocyte cell adhesion molecule
- ARBs, angiotensin receptor blockers
- ARDS, acute respiratory distress syndrome
- Ang, angiotensin
- BatCoV, bat coronavirus
- CLDN7, claudin 7
- COPD, chronic obstructive pulmonary disease
- COVID-19
- COVID-19, coronavirus disease 2019
- CTNNB1, catenin beta 1
- Coronavirus
- ERK, extracellular signal-regulated kinases
- HDAC6, histone deacetylase 6
- HIV-1, human immunodeficiency virus 1
- IFN, Interferons
- IPF, Idiopathic pulmonary fibrosis
- IR, Ionizing radiation
- JNK, c-Jun N-terminal kinase
- Lung disease
- MCN, mucin
- MERS, middle-East respiratory syndrome
- NO, nitric oxide
- Oral disease
- R0, R-nought
- RAS, renin-angiotensin
- RR, relative risk
- SARS-CoV-2
- SARS-CoV-2, severe acute respiratory syndrome coronavirus
- Smoking
- TJP3, tight junction protein 3
- TMPRSS, transmembrane serine protease
- hrsACE2, human recombinant soluble ACE-2
- nAChR, α7 nicotinic acetylcholine receptor
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26
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Electronic Cigarette Aerosol Is Cytotoxic and Increases ACE2 Expression on Human Airway Epithelial Cells: Implications for SARS-CoV-2 (COVID-19). J Clin Med 2021; 10:jcm10051028. [PMID: 33802256 PMCID: PMC7958963 DOI: 10.3390/jcm10051028] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/19/2021] [Accepted: 02/20/2021] [Indexed: 02/07/2023] Open
Abstract
Tobacco smoking has emerged as a risk factor for increasing the susceptibility to infection from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) via increased expression of angiotensin-converting enzyme-2 (ACE2) in the lung, linked to coronavirus disease 2019 (COVID-19) development. Given the modifiable nature of electronic cigarettes and the delivery of high concentrations of nicotine, we investigate whether electronic cigarette vaping has the potential to increase susceptibility to SARS-CoV-2 infection. We exposed BEAS-2B cells (bronchial epithelium transformed with Ad12-SV40 2B) and primary small airway epithelial cells (SAECs) to electronic cigarette aerosol condensates produced from propylene glycol/vegetable glycerin or commercially bought e-liquid (±added nicotine) and cigarette smoke extract to investigate if electronic cigarette exposure, like cigarette smoke, increases the expression of ACE2 in lung epithelial cells. In BEAS-2B cells, cytotoxicity (CCK-8), membrane integrity (LDH), and ACE2 protein expression (immunofluorescence) were measured for both 4- and 24 h treatments in BEAS-2B cells and 4 h in SAECs; ACE2 gene expression was measured using quantitative polymerase chain reaction (qPCR) for 4 h treatment in BEAS-2B cells. Nicotine-free condensates and higher concentrations of nicotine-containing condensates were cytotoxic to BEAS-2B cells. Higher LDH release and reduced membrane integrity were seen in BEAS-2B cells treated for 24 h with higher concentrations of nicotine-containing condensates. ACE2 protein expression was observably increased in all treatments compared to cell controls, particularly for 24 h exposures. ACE2 gene expression was significantly increased in cells exposed to the locally bought e-liquid condensate with high nicotine concentration and cigarette smoke extract compared with cell controls. Our study suggests that vaping alone and smoking alone can result in an increase in lung ACE2 expression. Vaping and smoking are avoidable risk factors for COVID-19, which, if avoided, could help reduce the number of COVID-19 cases and the severity of the disease. This is the first study to utilize electronic cigarette aerosol condensates, novel and developed in our laboratory, for investigating ACE2 expression in human airway epithelial cells.
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27
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28
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Famiglietti A, Memoli JW, Khaitan PG. Are electronic cigarettes and vaping effective tools for smoking cessation? Limited evidence on surgical outcomes: a narrative review. J Thorac Dis 2021; 13:384-395. [PMID: 33569219 PMCID: PMC7867832 DOI: 10.21037/jtd-20-2529] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The rising popularity of e-cigarettes and vaping, particularly in youth populations, has prompted the scientific community to ocassionally recommend their use as alternative to smoking or as a modality for smoking cessation. Media also tends to portray them as stylish, smoking cessation tools. We first studied the current literature to better understand whether they are viable options for surgeons to use prior to surgery as part of their armamentarium and their efficacy in attaining smoking abstinence. Next, we performed a comprehensive review of the literature to study the impact of e-cigarette and vaping on lung pathophysiology, surgical outcomes, and postoperative complications. After a thorough search, we found limited evidence suggesting that e-cigarettes and vaping are effective smoking cessation tools, and indeed may increase the propensity of dual smoking, contrary to e-cigarette advertisements. Many potential biases and limitations exist due to self-reporting when investigating e-cigarettes and vaping. While there is controversial data in the literature about e-cigarettes and vaping not leading to lung cancer, there are chemicals in these products that compromise lung hemostasis, negatively affect the immune system, and have detrimental inflammatory effects on wound healing. Studies are warranted to elucidate objective data regarding short and long-term effects of these products on surgical outcomes, and given the current data, they should not be utilized as viable smoking cessation tools.
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Affiliation(s)
- Amber Famiglietti
- Department of Surgery, Georgetown University School of Medicine, MedStar Washington Hospital Center, Washington, D.C., USA
| | - Jessica Wang Memoli
- Division of Interventional Pulmonology, Georgetown University School of Medicine, MedStar Washington Hospital Center, Washington, D.C., USA
| | - Puja Gaur Khaitan
- Department of Surgery, Georgetown University School of Medicine, MedStar Washington Hospital Center, Washington, D.C., USA
- Division of Thoracic and Esophageal Surgery, Georgetown University School of Medicine, MedStar Washington Hospital Center, Washington, D.C., USA
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29
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Yamaoka-Tojo M. Vascular Endothelial Glycocalyx Damage in COVID-19. Int J Mol Sci 2020; 21:ijms21249712. [PMID: 33352699 PMCID: PMC7766512 DOI: 10.3390/ijms21249712] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 12/06/2020] [Accepted: 12/17/2020] [Indexed: 01/08/2023] Open
Abstract
The new coronavirus disease-2019 (COVID-19), which is spreading around the world and threatening people, is easily infecting a large number of people through airborne droplets; moreover, patients with hypertension, diabetes, obesity, and cardiovascular disease are more likely to experience severe conditions. Vascular endothelial dysfunction has been suggested as a common feature of high-risk patients prone to severe COVID-19, and measurement of vascular endothelial function may be recommended for predicting severe conditions in high-risk patients with COVID-19. However, fragmented vascular endothelial glycocalyx (VEGLX) is elevated in COVID-19 patients, suggesting that it may be useful as a prognostic indicator. Although the relationship between VEGLX and severe acute respiratory syndrome coronavirus 2 infections has not been well studied, some investigations into COVID-19 have clarified the relationship between VEGLX and the mechanism that leads to severe conditions. Clarifying the usefulness of VEGLX assessment as a predictive indicator of the development of severe complications is important as a strategy for confronting pandemics caused by new viruses with a high affinity for the vascular endothelium that may recur in the future.
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Affiliation(s)
- Minako Yamaoka-Tojo
- Department of Rehabilitation/Regenerative Medicine and Cell Design Research Facility, Kitasato University School of Allied Health Sciences, Sagamihara 252-0373, Japan; ; Tel.: +81-42-778-8111; Fax: +81-42-778-9696
- Department of Cardiovascular Medicine, Kitasato University Graduate School of Medical Sciences, Sagamihara 252-0373, Japan
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30
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Bai S, Wu Y, Yan Y, Shao S, Zhang J, Liu J, Hui B, Liu R, Ma H, Zhang X, Ren J. Construct a circRNA/miRNA/mRNA regulatory network to explore potential pathogenesis and therapy options of clear cell renal cell carcinoma. Sci Rep 2020; 10:13659. [PMID: 32788609 PMCID: PMC7423896 DOI: 10.1038/s41598-020-70484-2] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 07/27/2020] [Indexed: 12/26/2022] Open
Abstract
Clear cell renal cell carcinoma (ccRCC) is the most representative subtype of renal cancer. CircRNA acts as a kind of ceRNA to play a role in regulating microRNA (miRNA) in many cancers. However, the potential pathogenesis role of the regulatory network among circRNA/miRNA/mRNA is not clear and has not been fully explored. CircRNA expression profile data were obtained from GEO datasets, and the differentially expressed circRNAs (DECs) were identified through utilizing R package (Limma) firstly. Secondly, miRNAs that were regulated by these circRNAs were predicted by using Cancer-specific circRNA database and Circular RNA Interactome. Thirdly, some related genes were identified by intersecting targeted genes, which was predicted by a web tool (miRWalk) and differentially expressed genes, which was obtained from TCGA datasets. Function enrichment was analyzed, and a PPI network was constructed by Cytoscape software and DAVID web set. Subsequently, ten hub-genes were screened from the network, and the overall survival time in patients of ccRCC with abnormal expression of these hub-genes were completed by GEPIA web set. In the last, a circRNA/miRNA/mRNA regulatory network was constructed, and potential compounds and drug which may have the function of anti ccRCC were forecasted by taking advantage of CMap and PharmGKB datasets. Six DECs (hsa_circ_0029340, hsa_circ_0039238, hsa_circ_0031594, hsa_circ_0084927, hsa_circ_0035442, hsa_circ_0025135) were obtained and six miRNAs (miR-1205, miR-657, miR-587, miR-637, miR-1278, miR-548p) which are regulated by three circRNAs (hsa_circ_0084927, hsa_circ_0035442, hsa_circ_0025135) were also predicted. Then 497 overlapped genes regulated by these six miRNAs above had been predicted, and function enrichment analysis revealed these genes are mainly linked with some regulation functions of cancers. Ten hub-genes (PTGER3, ADCY2, APLN, CXCL5, GRM4, MCHR1, NPY5R, CXCR4, ACKR3, MTNR1B) have been screened from a PPI network. PTGER3, ADCY2, CXCL5, GRM4 and APLN were identified to have a significant effect on the overall survival time of patients with ccRCC. Furthermore, one compound (josamycin) and four kinds of drugs (capecitabine, hmg-coa reductase inhibitors, ace Inhibitors and bevacizumab) were confirmed as potential therapeutic options for ccRCC by CMap analysis and pharmacogenomics analysis. This study implies the potential pathogenesis of the regulatory network among circRNA/miRNA/mRNA and provides some potential therapeutic options for ccRCC.
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Affiliation(s)
- Shuheng Bai
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi Province, China
| | - YinYing Wu
- Department of Chemotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi Province, China
| | - Yanli Yan
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi Province, China
| | - Shuai Shao
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi Province, China
| | - Jiangzhou Zhang
- Medical School, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi Province, China
| | - Jiaxin Liu
- Medical School, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi Province, China
| | - Beina Hui
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi Province, China
| | - Rui Liu
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi Province, China
| | - Hailin Ma
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi Province, China
| | - Xiaozhi Zhang
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi Province, China
| | - Juan Ren
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi Province, China.
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