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Gheisari M, Nosrati S, Zare S, Dara M, Zolghadri S, Razeghian-Jahromi I. The impact of high nicotine concentrations on the viability and cardiac differentiation of mesenchymal stromal cells: a barrier to regenerative therapy for smokers. Front Cell Dev Biol 2024; 12:1323691. [PMID: 38638529 PMCID: PMC11024539 DOI: 10.3389/fcell.2024.1323691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 03/20/2024] [Indexed: 04/20/2024] Open
Abstract
Background: Current treatment methods are not successful in restoring the lost cardiomyocytes after injury. Stem cell-based strategies have attracted much attention in this regard. Smoking, as a strong cardiovascular risk factor, not only affects the cardiac cells adversely but also deteriorates the function of stem cells. Since mesenchymal stem cells (MSCs) are one of the popular candidates in cardiovascular disease (CVD) clinical trials, we investigated the impact of nicotine on the regenerative properties (viability and cardiac differentiation) of these cells. Methods: MSCs were isolated from rat bone marrow and characterized based on morphology, differentiation capability, and the expression of specific mesenchymal markers. The MTT assay was used to assess the viability of MSCs after being exposed to different concentrations of nicotine. Based on MTT findings and according to the concentration of nicotine in smokers' blood, the growth curve and population doubling time were investigated for eight consecutive days. Cells were treated with 5-azacytidine (an inducer of cardiac differentiation), and then the expressions of cardiac-specific markers were calculated by qPCR. Results: MSCs were spindle-shaped, capable of differentiating into adipocyte and osteocyte, and expressed CD73 and CD90. The viability of MSCs was reduced upon exposure to nicotine in a concentration- and time-dependent manner. The growth curve showed that nicotine reduced the proliferation of MSCs, and treated cells needed more time to double. In addition, the expressions of GATA4 and troponin were downregulated in nicotine-treated cells on day 3. However, these two cardiac markers were overexpressed on day 7. Conclusion: Nicotine decreased normal growth and reduced the expression of cardiac markers in MSCs. This aspect is of eminent importance to smokers with cardiovascular disease who are candidates for stem cell therapy.
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Affiliation(s)
- Maryam Gheisari
- Department of Biochemistry, Shiraz Branch, Islamic Azad University, Shiraz, Iran
| | - Shadi Nosrati
- Department of Biochemistry, Shiraz Branch, Islamic Azad University, Shiraz, Iran
| | - Shahrokh Zare
- Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mahintaj Dara
- Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Samaneh Zolghadri
- Department of Biology, Jahrom Branch, Islamic Azad University, Jahrom, Iran
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Lyytinen G, Melnikov G, Brynedal A, Anesäter E, Antoniewicz L, Blomberg A, Wallén H, Bosson JA, Hedman L, Tehrani S, Lundbäck M. Use of heated tobacco products (IQOS) causes an acute increase in arterial stiffness and platelet thrombus formation. Atherosclerosis 2024; 390:117335. [PMID: 37872010 DOI: 10.1016/j.atherosclerosis.2023.117335] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 09/19/2023] [Accepted: 10/06/2023] [Indexed: 10/25/2023]
Abstract
BACKGROUND AND AIMS Heated tobacco products (HTPs) are novel alternative tobacco products being promoted as an alternative to cigarettes. To evaluate the impact of HTP use on vascular function, we investigated the effects of a brief HTP usage on arterial stiffness and platelet thrombus formation in healthy volunteers. METHODS In a randomised crossover study, twenty-four healthy young adults with occasional tobacco use smoked the HTP IQOS 3 Multi (Phillip Morris Int.) and "no-exposure" was used as a control, with a wash-out period of at least one week in-between. Arterial stiffness was assessed through pulse wave velocity and pulse wave analysis. Blood samples, collected at baseline and 5 min following exposure, were analysed with the Total-Thrombus-formation analysis system evaluating platelet and fibrin-rich thrombus formation tendency. RESULTS HTP exposure caused immediate heightened pulse wave velocity (+0.365 m/s, 95% CI: +0.188 to 0.543; p = 0.004) and enhanced augmentation index corrected to heart rate (+6.22%, 95% CI: +2.33 to 10.11; p = 0.003) compared to the no-exposure occasion. Similarly, blood pressure and heart rate transiently increased immediately following HTP inhalation. Platelet thrombus formation significantly increased following HTP exposure (area under the curve +59.5, 95% CI: +25.6 to 93.4; p < 0.001) compared to no-exposure. No effect was seen on fibrin-rich thrombus formation following HTP-exposure. CONCLUSIONS Brief HTP use in healthy young adults had immediate adverse effects on vascular function resulting in increased arterial stiffness and platelet thrombus formation, known risk factors for the development of atherosclerosis. Further research is needed to address long term health impacts.
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Affiliation(s)
- Gustaf Lyytinen
- Department of Clinical Sciences, Division of Cardiovascular Medicine, Danderyd University Hospital, Karolinska Institutet, Stockholm, Sweden.
| | - Georgy Melnikov
- Department of Clinical Sciences, Division of Cardiovascular Medicine, Danderyd University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Amelie Brynedal
- Dept. of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Erik Anesäter
- Department of Clinical Sciences, Division of Cardiovascular Medicine, Danderyd University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Lukasz Antoniewicz
- Department of Medicine II, Division of Pulmonology, Medical University of Vienna, Vienna, Austria
| | - Anders Blomberg
- Dept. of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Håkan Wallén
- Department of Clinical Sciences, Division of Cardiovascular Medicine, Danderyd University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Jenny A Bosson
- Dept. of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Linnea Hedman
- Department of Public Health and Clinical Medicine, Section of Sustainable Health, The OLIN Unit, Umeå University, Umeå, Sweden
| | - Sara Tehrani
- Department of Clinical Sciences, Division of Internal Medicine, Danderyd University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Magnus Lundbäck
- Department of Clinical Sciences, Division of Cardiovascular Medicine, Danderyd University Hospital, Karolinska Institutet, Stockholm, Sweden
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Pinto KP, Fidalgo TKDS, de Lima CO, Lopes RT, Freitas-Fernandes LB, Valente AP, Sassone LM, Silva EJNL. Chronic alcohol and nicotine consumption as catalyst for systemic inflammatory storm and bone destruction in apical periodontitis. Int Endod J 2024; 57:178-194. [PMID: 37966374 DOI: 10.1111/iej.13994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 09/04/2023] [Accepted: 10/20/2023] [Indexed: 11/16/2023]
Abstract
AIM To assess the periapical alveolar bone pattern and the serum levels of proinflammatory cytokines, biochemical markers and metabolites in rats subjected to chronic alcohol and nicotine consumption and induced apical periodontitis. METHODOLOGY Twenty-eight male Wistar rats were divided into four groups: Control, Alcohol, Nicotine and Alcohol+Nicotine. The alcohol groups were exposed to self-administration of a 25% alcohol solution, while the other groups were given only filtered water. The nicotine groups received daily intraperitoneal injections of a nicotine solution (0.19 μL of nicotine/mL), whereas the other groups received saline solution. Periapical lesions were induced by exposing the pulps of the left mandibular first molars for 28 days. After euthanasia, the mandibles were removed and the percentage bone volume, bone mineral density, trabecular thickness, trabecular separation and trabecular number of the periapical bone were measured using micro-computed tomography images. Serum samples were collected for analysis of proinflammatory cytokines (IL-1β, IL-4, IL-6 and TNF-α), biochemical and metabolomic analysis. Statistical analysis was performed with a significance level of 5%. Nonparametric data were analysed using the Kruskal-Wallis test followed by Dunn's test, while one-way anova followed by Tukey's test was performed for parametric data. RESULTS The groups exposed to alcohol or nicotine consumption exhibited an altered bone pattern indicating lower bone density and higher levels of IL-1β, IL-6 and TNF-α compared to the Control group (p < .05). Significant differences were observed among the groups in the levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase, cholesterol, triglycerides, urea, creatinine, albumin, uric acid, bilirubin and calcium. Metabolomic analysis revealed significant differences in glycine, phosphocholine, lysine, lactate, valine, pyruvate and lipids (CH2 CH2 CO), n(CH2 ) and n(CH3 ). Most of these parameters were even more altered in the simultaneous consumption of both substances compared to single consumption. CONCLUSION Alcohol and nicotine chronic consumption altered several metabolic markers, impaired liver and kidney function, increased the production of systemic proinflammatory mediators and harmed the periapical bone microarchitecture in the presence of apical periodontitis. The simultaneous consumption of alcohol and nicotine intensified these detrimental effects.
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Affiliation(s)
- Karem Paula Pinto
- Department of Integrated Clinical Procedures, School of Dentistry, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil
| | - Tatiana Kelly da Silva Fidalgo
- Department of Community and Preventive Dentistry, School of Dentistry, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil
| | | | - Ricardo Tadeu Lopes
- Nuclear Engineering Program, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Liana Bastos Freitas-Fernandes
- National Center for Nuclear Magnetic Resonance, Medical Biochemistry, Rio de Janeiro Federal University, Rio de Janeiro, Brazil
| | - Ana Paula Valente
- National Center for Nuclear Magnetic Resonance, Medical Biochemistry, Rio de Janeiro Federal University, Rio de Janeiro, Brazil
| | - Luciana Moura Sassone
- Department of Integrated Clinical Procedures, School of Dentistry, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil
| | - Emmanuel João Nogueira Leal Silva
- Department of Integrated Clinical Procedures, School of Dentistry, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil
- Departament of Endodontics, Grande Rio University (UNIGRANRIO), Rio de Janeiro, Brazil
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Saito M, Miyake Y, Tanaka K, Nagata C, Senba H, Hasebe Y, Miyata T, Higaki T, Kimura E, Matsuura B, Yamaguchi O, Kawamoto R. Smoking and secondhand smoke exposure and carotid intima-media thickness: Baseline data from the Aidai Cohort Study in Japan. Tob Induc Dis 2024; 22:TID-22-17. [PMID: 38250629 PMCID: PMC10798226 DOI: 10.18332/tid/175632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 11/17/2023] [Accepted: 11/21/2023] [Indexed: 01/23/2024] Open
Abstract
INTRODUCTION Epidemiological evidence regarding the relationship between smoking and secondhand smoke (SHS) exposure and carotid intima-media thickness (CIMT) has been limited in Asian populations. Employing baseline data from the Aidai Cohort Study, Japan, we evaluated the evidence in this cross-sectional study. METHODS Study subjects were 727 men aged 35-88 years and 1297 women aged 34-85 years. Information on smoking, SHS exposure, and confounders was obtained through a self-administered questionnaire. An automated carotid ultrasonography device was used to measure the right and left CIMT. The greatest CIMT measurement in the left or right common carotid artery was considered the maximum CIMT, and a maximum CIMT >1.0 mm was indicative of carotid wall thickening. Age, alcohol consumption, leisure time physical activity, hypertension, dyslipidemia, diabetes mellitus, body mass index, waist circumference, employment, and education level were adjusted at one time. RESULTS The prevalence of carotid wall thickening was 13.0%. The prevalence of never smoking was 30.5% in men and 90.1% in women. Among those who had never smoked, the prevalence of never SHS exposure at home and work was 74.3% and 48.2% in men and 38.3% and 56.3% in women, respectively. Active smoking and pack-years of smoking were independently positively related to carotid wall thickening regardless of sex, although the association with current smoking in women was not significant. Independent positive relationships were shown between former smoking and pack-years of smoking and maximum CIMT in men but not in women. No significant relationships were found between SHS exposure at home and work and carotid wall thickening or maximum CIMT in either men or women. CONCLUSIONS Active smoking, especially pack-years of smoking, was positively associated with carotid wall thickening in both sexes. Such positive associations with maximum CIMT were found only in men; however, interactions between smoking and sex were not significant.
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Affiliation(s)
- Makoto Saito
- Integrated Medical and Agricultural School of Public Health, Ehime University, Toon, Japan
- Department of Cardiology, Kitaishikai Hospital, Ozu, Japan
| | - Yoshihiro Miyake
- Integrated Medical and Agricultural School of Public Health, Ehime University, Toon, Japan
- Department of Epidemiology and Public Health, Ehime University Graduate School of Medicine, Toon, Japan
- Research Promotion Unit, Translation Research Center, Ehime University Hospital, Toon, Japan
- Center for Data Science, Ehime University, Matsuyama, Japan
| | - Keiko Tanaka
- Integrated Medical and Agricultural School of Public Health, Ehime University, Toon, Japan
- Department of Epidemiology and Public Health, Ehime University Graduate School of Medicine, Toon, Japan
- Research Promotion Unit, Translation Research Center, Ehime University Hospital, Toon, Japan
- Center for Data Science, Ehime University, Matsuyama, Japan
| | - Chisato Nagata
- Department of Epidemiology and Preventive Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Hidenori Senba
- Department of Epidemiology and Public Health, Ehime University Graduate School of Medicine, Toon, Japan
- Department of Internal Medicine, Matsuyama Shimin Hospital, Matsuyama, Japan
| | | | - Toyohisa Miyata
- Department of Epidemiology and Public Health, Ehime University Graduate School of Medicine, Toon, Japan
- Department of Regional Pediatrics and Perinatology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Takashi Higaki
- Department of Regional Pediatrics and Perinatology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Eizen Kimura
- Integrated Medical and Agricultural School of Public Health, Ehime University, Toon, Japan
- Center for Data Science, Ehime University, Matsuyama, Japan
- Department of Medical Informatics, Ehime University Graduate School of Medicine, Toon, Japan
| | - Bunzo Matsuura
- Department of Lifestyle-Related Medicine and Endocrinology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Osamu Yamaguchi
- Integrated Medical and Agricultural School of Public Health, Ehime University, Toon, Japan
- Department of Cardiology, Pulmonology, Hypertension and Nephrology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Ryuichi Kawamoto
- Integrated Medical and Agricultural School of Public Health, Ehime University, Toon, Japan
- Department of Community Medicine, Ehime University Graduate School of Medicine, Toon, Japan
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Bhargava A, Gharde P, Tayade H, Inamdar A. A Miraculous Save: Gangrenous Bowel and Meckle's Diverticulum With Acute Superior Mesenteric Artery Thrombosis. Cureus 2024; 16:e52947. [PMID: 38406144 PMCID: PMC10893989 DOI: 10.7759/cureus.52947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 01/25/2024] [Indexed: 02/27/2024] Open
Abstract
The superior mesenteric artery (SMA) is vital for parts of the small intestine and ascending colon. Thrombosis of this major artery is a severe and potentially fatal condition involving the occlusion of the arterial vascular supply, causing ischemia predisposing to gangrene. Meckel's diverticulum is a congenital outpouching in the lower part of the small intestine. The condition of gangrenous meckels diverticulum is, therefore, even more limited. This study presents a unique case of a 45-year-old male with coexisting features of SMA thrombus with acute small bowel intestinal obstruction. During the study, the patient was found to have sickle cell anemia with an AS pattern, which may have predisposed the formation of a thrombus. The patient underwent sequential management of active thrombus by thrombolysis first, followed by resection anastomosis for gangrenous bowel. With precise monitoring and therapeutic care, the patient made a remarkable recovery. The condition possesses a high mortality rate. Prompt recognition and timely intervention in this case are of utmost significance.
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Affiliation(s)
- Abhilasha Bhargava
- General Surgery, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Pankaj Gharde
- General Surgery, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Harshal Tayade
- General Surgery, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Akash Inamdar
- General Surgery, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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Lampridou S. Smoking cessation: why is it a persistent problem in patients with peripheral artery disease? BRITISH JOURNAL OF NURSING (MARK ALLEN PUBLISHING) 2023; 32:958-962. [PMID: 37938990 DOI: 10.12968/bjon.2023.32.20.958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
Nurses play a key role in advising patients to quit smoking, especially those with long-term conditions including cardiovascular disease. Peripheral artery disease (PAD) is an increasingly prevalent condition, and is the third most common presentation of atherosclerotic disease after coronary heart disease and stroke. Smoking cessation is crucial for patients with PAD but can be very challenging. Stopping smoking reduces cardiovascular morbidity and mortality, and improves claudication symptoms in patients with PAD. Those who continue to smoke are at higher risk of disease progression, amputation, myocardial infarction and death, and have poorer therapeutic outcomes. Quitting smoking is difficult, and patients should be offered a combination of behavioural and drug therapy. Nurses can provide several interventions to help patients quit and prevent relapse. A pilot study in a large London hospital found that no smokers had been referred to smoking cessation services by their vascular clinician (although some had been referred by their GP), given brief cessation advice or told how smoking cessation was essential for vascular preservation. Many thought smoking cessation programmes would not work.
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Affiliation(s)
- Smaragda Lampridou
- National Institute for Health and Care Research Doctoral Research Fellow/Cardiovascular Nurse Specialist, Vascular Surgery Department, Imperial College Healthcare NHS Trust, London
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Katsi V, Papakonstantinou I, Tsioufis K. Atherosclerosis, Diabetes Mellitus, and Cancer: Common Epidemiology, Shared Mechanisms, and Future Management. Int J Mol Sci 2023; 24:11786. [PMID: 37511551 PMCID: PMC10381022 DOI: 10.3390/ijms241411786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/03/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023] Open
Abstract
The involvement of cardiovascular disease in cancer onset and development represents a contemporary interest in basic science. It has been recognized, from the most recent research, that metabolic syndrome-related conditions, ranging from atherosclerosis to diabetes, elicit many pathways regulating lipid metabolism and lipid signaling that are also linked to the same framework of multiple potential mechanisms for inducing cancer. Otherwise, dyslipidemia and endothelial cell dysfunction in atherosclerosis may present common or even interdependent changes, similar to oncogenic molecules elevated in many forms of cancer. However, whether endothelial cell dysfunction in atherosclerotic disease provides signals that promote the pre-clinical onset and proliferation of malignant cells is an issue that requires further understanding, even though more questions are presented with every answer. Here, we highlight the molecular mechanisms that point to a causal link between lipid metabolism and glucose homeostasis in metabolic syndrome-related atherosclerotic disease with the development of cancer. The knowledge of these breakthrough mechanisms may pave the way for the application of new therapeutic targets and for implementing interventions in clinical practice.
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Affiliation(s)
- Vasiliki Katsi
- Department of Cardiology, Hippokration Hospital, 11527 Athens, Greece
| | | | - Konstantinos Tsioufis
- Department of Cardiology, Hippokration Hospital, 11527 Athens, Greece
- School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
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Enea I, Martelli E. Focus on the Prevention of Acute Limb Ischemia: Centrality of the General Practitioner from the Point of View of the Internist. J Clin Med 2023; 12:jcm12113652. [PMID: 37297848 DOI: 10.3390/jcm12113652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 05/01/2023] [Accepted: 05/15/2023] [Indexed: 06/12/2023] Open
Abstract
The thrombotic mechanism, being common to peripheral arterial disease (PAD), acute myocardial infarction (AMI), and stroke, is responsible for the highest number of deaths in the western world. However, while much has been done for the prevention, early diagnosis, therapy of AMI and stroke, the same cannot be said for PAD, which is a negative prognostic indicator for cardiovascular death. Acute limb ischemia (ALI) and chronic limb ischemia (CLI) are the most severe manifestations of PAD. They both are defined by the presence of PAD, rest pain, gangrene, or ulceration and we consider ALI if symptoms last less than 2 weeks and CLI if they last more than 2 weeks. The most frequent causes are certainly atherosclerotic and embolic mechanisms and, to a lesser extent, traumatic or surgical mechanisms. From a pathophysiological point of view, atherosclerotic, thromboembolic, inflammatory mechanisms are implicated. ALI is a medical emergency that puts both limb and the patient's life at risk. In patients over age 80 undergoing surgery, mortality remains high reaching approximately 40% as well as amputation approximately 11%. The purpose of this paper is to summarize the scientific evidence on the possibilities of primary and secondary prevention of ALI and to raise awareness among doctors involved in the management of ALI, in particular by describing the central role of the general practitioner.
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Affiliation(s)
- Iolanda Enea
- Emergency Department, S. Anna and S. Sebastiano Hospital, 81100 Caserta, Italy
| | - Eugenio Martelli
- Division of Vascular Surgery, Department of Cardiovascular Science, S. Anna and S. Sebastiano Hospital, Campania, 81100 Caserta, Italy
- Department of General and Specialist Surgery Paride Stefanini, Faculty of Pharmacy and Medicine, Sapienza University of Rome, 00161 Rome, Italy
- Medicine and Surgery School of Medicine, Saint Camillus International University of Health Science, 00131 Rome, Italy
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Sterling J, Policastro C, Elyaguov J, Simhan J, Nikolavsky D. How and why tobacco use affects reconstructive surgical practice: a contemporary narrative review. Transl Androl Urol 2023; 12:112-127. [PMID: 36760864 PMCID: PMC9906109 DOI: 10.21037/tau-22-427] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 11/24/2022] [Indexed: 01/05/2023] Open
Abstract
Background and Objective The overall negative impact of tobacco use on an individual's health has been well documented but the literature on tobacco's impact on post-surgical outcomes, specifically the outcomes after urologic surgery, is not as clear cut. The aim of this narrative review is to provide urologists with the information needed to have a nuanced pre-operative counseling conversation with patients about tobacco use. Here we combine publications on the histologic and physiologic changes induced by nicotine and tobacco use with publications from the wider surgical literature on post-operative outcomes in tobacco users. Methods A literature search of PubMed, Google Scholar and Medline was performed using iterations of the following terms: tobacco, nicotine, changes, physiologic, histology, post-operative, and surgical. Non-English publications and abstracts were excluded. Inclusion required agreement from all authors and preference was given to human specimens over animal models for the basic science manuscripts and large database and meta-analyses over single institution experiences. Key Content and Findings Tobacco use results in measurable changes in nearly every organ system in the body. While smokers have increased wound complications, there is no evidence that reconstructive surgery using grafts or flaps fail more frequently in tobacco users. Smokers have an increased risk of respiratory complications following endotracheal intubation. Conclusions Surgeries should not be canceled due to a patient's inability to cease tobacco use. Urologists and patients should engage in joint decision making regarding the timing and pursuit of elective operations.
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Affiliation(s)
- Joshua Sterling
- SUNY Upstate Medical University, Department of Urology, Syracuse, NY, USA;,Yale School of Medicine, Department of Urology, New Haven, CT, USA
| | - Connor Policastro
- SUNY Upstate Medical University, Department of Urology, Syracuse, NY, USA
| | - Jason Elyaguov
- SUNY Upstate Medical University, Department of Urology, Syracuse, NY, USA
| | - Jay Simhan
- Fox Chase Cancer Center, Division of Urologic Oncology and Urology, Philadelphia, PA, USA
| | - Dmitriy Nikolavsky
- SUNY Upstate Medical University, Department of Urology, Syracuse, NY, USA
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Consumer experiences of long-term oral nicotine replacement therapy and related health information-seeking: A qualitative study. THE INTERNATIONAL JOURNAL OF DRUG POLICY 2022; 110:103897. [PMID: 36323188 DOI: 10.1016/j.drugpo.2022.103897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 09/20/2022] [Accepted: 10/19/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Nicotine replacement therapy (NRT) delivers a therapeutic dose of nicotine to support smoking cessation, and is currently approved for short-term use (typically ≤12 weeks). Yet, research on real-world over-the-counter NRT use indicates that some consumers continue to use these products long-term. This study sought to understand consumers' experiences of long-term oral NRT use, including self-reported reasons for continued use, and health information-seeking regarding long-term use. METHODS In-depth semi-structured telephone interviews were conducted between May and June 2021 with 21 current and former NRT consumers aged ≥18 years from across Australia, with oral NRT use of ≥1 year. Interviews were thematically analysed using the Framework Method. RESULTS The majority of participants reported achieving NRT-assisted smoking cessation and related health benefits (e.g. respiratory health, improved physical appearance). However, nearly all participants reported experiencing addiction to oral NRT, with many attributing their long-term use to dependence on these products. Participants reported low engagement with NRT health information sources; just half reported consulting with a health professional regarding their long-term NRT use, and some reported negative experiences when health professional advice was sought (e.g. perceptions of not being taken seriously, perceived lack of health professional knowledge). Less than half of participants accurately identified the duration of use recommended in NRT consumer medicine information, and some reported actively dismissing this information. CONCLUSION Findings highlight consumers' perceived benefits of continued NRT use whilst also identifying two key concerns - the addictive potential of oral NRT, and low health information-seeking and health professional engagement regarding long-term use. While oral NRT is indisputably safer than tobacco smoking, public health strategies to raise consumer and health professional awareness about the safe use of NRT, which acknowledge the current evidence gap regarding safety and efficacy of long-term use, are needed to maximise their benefits as a harm reduction strategy for smoking cessation.
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Qiao YN, Zou YL, Guo SD. Low-density lipoprotein particles in atherosclerosis. Front Physiol 2022; 13:931931. [PMID: 36111155 PMCID: PMC9468243 DOI: 10.3389/fphys.2022.931931] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 08/05/2022] [Indexed: 12/11/2022] Open
Abstract
Among the diseases causing human death, cardiovascular disease (CVD) remains number one according to the World Health Organization report in 2021. It is known that atherosclerosis is the pathological basis of CVD. Low-density lipoprotein (LDL) plays a pivotal role in the initiation and progression of atherosclerotic CVD (ASCVD). LDL cholesterol (LDL-C) is the traditional biological marker of LDL. However, large numbers of patients who have achieved the recommended LDL-C goals still have ASCVD risk. In multiple prospective studies, LDL particle (LDL-P) is reported to be more accurate in predicting CVD risk than LDL-C. LDL-Ps differ in size, density and chemical composition. Numerous clinical studies have proved that the atherogenic mechanisms of LDL-Ps are determined not only by LDL number and size but also by LDL modifications. Of note, small dense LDL (sdLDL) particles possess stronger atherogenic ability compared with large and intermediate LDL subfractions. Besides, oxidized LDL (ox-LDL) is another risk factor in atherosclerosis. Among the traditional lipid-lowering drugs, statins induce dramatic reductions in LDL-C and LDL-P to a lesser extend. Recently, proprotein convertase subtilsin/kexin type 9 inhibitors (PCSK9i) have been demonstrated to be effective in lowering the levels of LDL-C, LDL-P, as well as CVD events. In this article, we will make a short review of LDL metabolism, discuss the discordance between LDL-C and LDL-P, outline the atherogenic mechanisms of action of LDL by focusing on sdLDL and ox-LDL, summarize the methods used for measurement of LDL subclasses, and conclude the advances in LDL-lowering therapies using statins and PCSK9i.
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Damay VA, Setiawan S, Lesmana R, Akbar MR, Lukito AA. Effects of Moderate Intensity Aerobic Exercise to FSTL-1 Regulation in Atherosclerosis: A Systematic Review. Int J Angiol 2022; 32:1-10. [PMID: 36727145 PMCID: PMC9886452 DOI: 10.1055/s-0042-1750184] [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: 02/08/2023] Open
Abstract
Moderate intensity exercise is considered as a primary step to prevent coronary artery diseases (CADs) by stimulated FSTL-1 secretion as a novel myokines to improve endothelial cell function, prevent arterial stiffness, or vascular inflammation. This review aims to provide the current evident role of FSTL-1 as a novel myokine secreted during exercise to prevent atherosclerosis progression. A systematic review using databases from (PubMed), ScienceDirect, and The Cochrane Library, was conducted up to October 2021 to identify all the eligible experimental and observational studies that assess how moderate intensity exercises stimulate FSTL-1 secretion to prevent atherosclerosis. Results were described through narrative synthesis of the evidence. From 84 retrieved references, 15 studies met the inclusion criteria and were included in this review. The overall results suggest that exercise or physical activity can stimulate myokines secretion, especially in FSTL-1. FSTL-1 is a myokine or adipokine that plays a potential role in preventing atherosclerosis by various mechanisms such as via improvement of endothelial functions, suppression of smooth muscle cells (SMCs) proliferation, and reduction of arterial thickening. FSTL-1 is a relatively new and less known myokine, but probably holds a key role in assessing how moderate intensity aerobic exercise prevents atherosclerosis progression by preventing endothelial dysfunction, arterial stiffness, or vascular inflammation.
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Affiliation(s)
- Vito Anggarino Damay
- Department of Cardiovascular Medicine, Universitas Pelita Harapan, Banten, Indonesia,Address for correspondence Vito A. Damay, MD, Cardiologist Department of Cardiovascular Medicine, Universitas Pelita HarapanBantenIndonesia
| | - Setiawan Setiawan
- Department of Biomedical Sciences, Universitas Padjadjaran, Bandung, Indonesia
| | - Ronny Lesmana
- Department of Biomedical Sciences, Universitas Padjadjaran, Bandung, Indonesia
| | - Muhammad Rizki Akbar
- Department of Cardiology and Vascular, Padjadjaran University, Bandung, Indonesia
| | - Antonia Anna Lukito
- Department of Cardiovascular Medicine, Universitas Pelita Harapan, Banten, Indonesia
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13
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Figueroa-Hall LK, Xu B, Kuplicki R, Ford BN, Burrows K, Teague TK, Sen S, Yeh HW, Irwin MR, Savitz J, Paulus MP. Psychiatric symptoms are not associated with circulating CRP concentrations after controlling for medical, social, and demographic factors. Transl Psychiatry 2022; 12:279. [PMID: 35821205 PMCID: PMC9276683 DOI: 10.1038/s41398-022-02049-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 06/26/2022] [Accepted: 06/30/2022] [Indexed: 01/08/2023] Open
Abstract
Elevated serum concentrations (>3 mg/L) of the acute-phase protein, C-reactive protein (CRP), is used as a clinical marker of inflammation and is reported to be a strong risk factor for cardiovascular disease. In psychiatric populations, CRP concentration is reported to be higher in depressed versus healthy individuals. Positive associations between CRP and depression have been established in both clinical and community samples, but effect sizes are attenuated after controlling for confounding variables. Similarly, emerging research has begun to draw a link between inflammation, symptoms of anxiety, and substance abuse. Given the high level of comorbid anxiety and substance use disorders in many depressed populations, this study examined whether depression (Patient Health Questionnaire 9 [PHQ-9]) and substance use-related (Drug Abuse Screening Test [DAST]) symptoms were associated with CRP concentrations in the blood after adjusting for relevant medical, social, and demographic covariates in a large sample undergoing screening for several transdiagnostic psychiatric research studies. A total of 1,724 participants were analyzed for association of CRP with variables using multivariate linear regression. An unadjusted model with no covariates showed that PHQ-9 was significantly associated with CRP in All (β = 0.125), Female (β = 0.091), and Male (β = 0.154) participants, but DAST was significantly associated with CRP in males only (β = 0.120). For the adjusted model, in both males and females, mood-stabilizer treatment (β = 0.630), opioid medication (β = 0.360), body mass index (β = 0.244), percent body fat (β = 0.289), nicotine use (β = 0.063), and self-reported sleep disturbance (β = 0.061) were significantly associated with increased CRP concentrations. In females, oral contraceptive use (β = 0.576), and waist-to-hip ratio (β = 0.086), and in males, non-steroidal anti-inflammatory drug use (β = 0.367) were also associated with increased CRP concentrations. There was no significant association between CRP and individual depressive, anxiety, or substance use-related symptoms when covariates were included in the regression models. These results suggest that associations between circulating CRP and the severity of psychiatric symptoms are dependent on the type of covariates controlled for in statistical analyses.
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Affiliation(s)
| | - Bohan Xu
- Laureate Institute for Brain Research, Tulsa, OK, 74136, USA
- Department of Computer Science, Tandy School of Computer Science, The University of Tulsa, Tulsa, OK, 74104, USA
| | - Rayus Kuplicki
- Laureate Institute for Brain Research, Tulsa, OK, 74136, USA
| | - Bart N Ford
- Department of Pharmacology & Physiology, Oklahoma State University, Center for Health Sciences, Tulsa, OK, 74107, USA
| | - Kaiping Burrows
- Laureate Institute for Brain Research, Tulsa, OK, 74136, USA
| | - T Kent Teague
- Department of Surgery and Department of Psychiatry, University of Oklahoma-School of Community Medicine, Tulsa, OK, 74135, USA
| | - Sandip Sen
- Department of Computer Science, Tandy School of Computer Science, The University of Tulsa, Tulsa, OK, 74104, USA
| | - Hung-Wen Yeh
- Division of Health Services & Outcomes Research, Children's Mercy Kansas City, Kansas City, MO, 64108, USA
| | - Michael R Irwin
- Department of Psychiatry and Behavioral Sciences, UCLA Geffen School of Medicine, Los Angeles, CA, 90095, USA
| | - Jonathan Savitz
- Laureate Institute for Brain Research, Tulsa, OK, 74136, USA
- Oxley College of Health Sciences, The University of Tulsa, Tulsa, OK, 74199, USA
| | - Martin P Paulus
- Laureate Institute for Brain Research, Tulsa, OK, 74136, USA
- Oxley College of Health Sciences, The University of Tulsa, Tulsa, OK, 74199, USA
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14
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Mir M, Rauf I, Goksoy S, Khedr A, Jama AB, Mushtaq H, Jain NK, Khan SA, Surani S, Koritala T. Electronic Cigarettes: Are They Smoking Cessation Aids or Health Hazards? Cureus 2022; 14:e25330. [PMID: 35761921 PMCID: PMC9232181 DOI: 10.7759/cureus.25330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 05/25/2022] [Indexed: 11/14/2022] Open
Abstract
The US Food and Drug Administration (FDA) recently approved the marketing of an electronic cigarette (e-cig) brand called Vuse (RJ Reynolds Vapor Company, US) to help aid in smoking cessation for adult smokers. It was believed that the consumption of traditional cigarettes and their harmful effects would be reduced given the availability of newer e-cigarettes. However, adolescent use of tobacco and nicotine products rather increased with the availability of the same e-cigarettes, and the FDA-approved market boom only worsened this problem. Although the FDA underlines the importance of marketing e-cigarettes as a possible solution for adult traditional smoking, its consequences on adolescents' health raise many concerns, which we narrated in this review article.
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15
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Skipina TM, Elhawary MM, Soliman EZ. Periodontal disease is associated with elevated atherosclerotic cardiovascular disease risk score. Am J Med Sci 2022; 364:327-332. [DOI: 10.1016/j.amjms.2022.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 04/04/2022] [Indexed: 11/27/2022]
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16
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Menshov VA, Trofimov AV, Zagurskaya AV, Berdnikova NG, Yablonskaya OI, Platonova AG. Influence of Nicotine from Diverse Delivery Tools on the Autonomic Nervous and Hormonal Systems. Biomedicines 2022; 10:biomedicines10010121. [PMID: 35052800 PMCID: PMC8773565 DOI: 10.3390/biomedicines10010121] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 01/02/2022] [Accepted: 01/03/2022] [Indexed: 02/01/2023] Open
Abstract
Background: Through measurements of the heart rate variability (HRV) accompanied by the pertinent biomarker assays, the effects of nicotine and byproducts derived from alternative nicotine delivery systems (ANDS) on the autonomic nervous system (ANS) and hormonal system have been investigated. Methods: HRV was studied in a group of volunteers (17 people), involving non-smokers, i.e., who never smoked before (11), ex-smokers (4) and active smokers (2). ANDS and smoking simulators, including regular, nicotine-free and electronic cigarettes; tobacco heating systems; chewing gums and nicotine packs of oral fixation (nic-packs), were used. Blood pressure, levels of stress hormones in saliva and catecholamines in the blood were also monitored. Results: HRV analysis showed relatively small changes in HRV and in the other studied parameters with the systemic use of nic-packs with low and moderate nicotine contents (up to 6 mg) compared to other ANDS. Conclusions: The HRV method is proven to be a promising technique for evaluation of the risks associated with smoking, dual use of various ANDS and studying the biomedical aspects of smoking cessation. Nic-packs are shown to be leaders in biological safety among the studied ANDS. A sharp surge in the activity of the sympathetic division of the ANS within the first minutes of the use of nicotine packs implies that nicotine begins to act already at very low doses (before entering the blood physically in any significant amount) through fast signal transmission to the brain from the nicotinic and taste buds located in the mouth area.
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Affiliation(s)
- Valerii A. Menshov
- Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 119334 Moscow, Russia; (N.G.B.); (O.I.Y.)
- Correspondence: (V.A.M.); (A.V.T.); Tel.: +7-495-9397358 (A.V.T.); Fax: +7-499-1374101 (V.A.M. & A.V.T.)
| | - Aleksei V. Trofimov
- Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 119334 Moscow, Russia; (N.G.B.); (O.I.Y.)
- Moscow Institute of Physics and Technology (National Research University), 141701 Dolgoprudny, Russia
- Correspondence: (V.A.M.); (A.V.T.); Tel.: +7-495-9397358 (A.V.T.); Fax: +7-499-1374101 (V.A.M. & A.V.T.)
| | | | - Nadezda G. Berdnikova
- Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 119334 Moscow, Russia; (N.G.B.); (O.I.Y.)
- Department of Clinical Pharmacology, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Olga I. Yablonskaya
- Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 119334 Moscow, Russia; (N.G.B.); (O.I.Y.)
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17
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Klein LW. Pathophysiologic Mechanisms of Tobacco Smoke Producing Atherosclerosis. Curr Cardiol Rev 2022; 18:e110422203389. [PMID: 35410615 PMCID: PMC9893148 DOI: 10.2174/1573403x18666220411113112] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/11/2022] [Accepted: 02/24/2022] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION Despite the convincing epidemiologic association between smoking and vascular disease, the pathophysiologic mechanisms by which smoking initiates and contributes to the progression of atherosclerosis remain incompletely understood. A precise dose-dependent correlation has never been demonstrated, suggesting that the biological relationship is complex and influenced by individual genetic and possibly environmental factors. Although endothelial dysfunction and intimal damage appear to be central to atherogenesis, how tobacco products cause this effect has not been established. The purpose of this review is to describe the current state of knowledge of the main pathophysiologic pathways of how tobacco smoking abets atherosclerosis. Constituents of Tobacco Smoke: Tobacco combustion produces a mixture of organic substances. derived from burning organic materials. The predominant gaseous phase constituents include carbon monoxide, acetaldehyde, formaldehyde, acrolein, and other carbonyls, as well as nicotine and tobacco-specific nitrosamines. Potential Pathophysiologic Mechanisms: Smoking-induced changes in coronary vasomotor tone, platelet activation, and endothelial integrity are major components of both the development of atherosclerosis and its clinical presentation. Smoking may initiate and accelerate the progression of atherosclerosis by injuring the vascular intima. Other potential mechanisms include intimal damage and endothelial dysfunction, oxidative stress and injury, thrombosis, lipid abnormalities, and inflammation. CONCLUSION Smoking tobacco products contributes measurably to the incidence of acute vascular events and chronic disease. The causative compound, the exact mechanism of injury, and whether the atherogenic effect is modifiable are not known.
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Affiliation(s)
- Lloyd W. Klein
- Department of Medicine, Cardiology Division, University of California, San Francisco, CA
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18
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Al-Samawi RI, Smaism MF. Association of the lipoprotein lipase and Apolipoprotein C-II gene polymorphisms with risk of dyslipidemia in smokers and non-smokers male. Indian Heart J 2021; 74:45-50. [PMID: 34921821 PMCID: PMC8891001 DOI: 10.1016/j.ihj.2021.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 11/29/2021] [Accepted: 12/14/2021] [Indexed: 11/30/2022] Open
Abstract
Objective Dyslipidaemia is considered a metabolic abnormality andan important risk factor that leads to atherogenic cardiovascular diseases. Cigarette smoking is associated with dyslipidaemia. This study aimed to demonstrate whether lipoprotein lipase enzyme (LPL) and Apolipoprotein CII (APOCII) gene polymorphisms can be considered as independent genetic risk factors for dyslipidaemia among smokers with various smoking durations. Methods A total of 185 males (90 smokers and 95 non-smokers)were included in this study, Lipid profiles were measured and DNA was isolated. The LPL-Hind III and APO CII-Ava II polymorphisms were determined using the polymerase reaction-restriction fragment length polymorphisms (RFLP) technique. Results For the LPL-Hind IIIpolymorphism H+H+ genotype group, the triglycerides TG and very-low-density lipoprotein cholesterol VLDL-C concentrations were significantly higher and the high-density lipoprotein cholesterol HDL-C concentration was significantly lower than those of the H–H- genotype. ForAPO CII-Ava II polymorphisms, compared with those of the A2A2 genotype group, the total cholesterol TC, TG, low-density lipoprotein cholesterol LDL-C and VLDL-C concentrations were significantly increased in the A1A2 genotype group, while the HDL-C concentration was significantly decreased. Conclusions The study revealed that the H+H+ or H + H-genotype of the LPL-Hind III polymorphism and the A1A1or A1A2 genotype of the APOCII-Ava II polymorphism were at higher risk of developing dyslipidaemia compared to the H–H- genotype of the LPL-Hind III polymorphism and A2A2 genotype of the APOCII-Ava II polymorphism.
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Affiliation(s)
- Rithab Ibrahim Al-Samawi
- University of Al-Ameed, Karbala, Iraq; Department of Clinical Biochemistry, College of Pharmacy, University of Al-Ameed, Karbala, PO Box 198, 56001, Iraq.
| | - Maha Fadil Smaism
- University of Babylon, Iraq; Department of Clinical Biochemistry, College of Medicine, Babylon University, Hilla, 51002, Iraq
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19
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Wang W, Zhao T, Geng K, Yuan G, Chen Y, Xu Y. Smoking and the Pathophysiology of Peripheral Artery Disease. Front Cardiovasc Med 2021; 8:704106. [PMID: 34513948 PMCID: PMC8429807 DOI: 10.3389/fcvm.2021.704106] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Accepted: 07/31/2021] [Indexed: 12/15/2022] Open
Abstract
Smoking is one of the most important preventable factors causing peripheral artery disease (PAD). The purpose of this review is to comprehensively analyze and summarize the pathogenesis and clinical characteristics of smoking in PAD based on existing clinical, in vivo, and in vitro studies. Extensive searches and literature reviews have shown that a large amount of data exists on the pathological process underlying the effects of cigarette smoke and its components on PAD through various mechanisms. Cigarette smoke extracts (CSE) induce endothelial cell dysfunction, smooth muscle cell remodeling and macrophage phenotypic transformation through multiple molecular mechanisms. These pathological changes are the molecular basis for the occurrence and development of peripheral vascular diseases. With few discussions on the topic, we will summarize recent insights into the effect of smoking on regulating PAD through multiple pathways and its possible pathogenic mechanism.
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Affiliation(s)
- Weiming Wang
- The State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China.,Department of General Surgery (Vascular Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Key Laboratory of Medical Electrophysiology, Ministry of Education and Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou, China
| | - Tingting Zhao
- The State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Kang Geng
- The State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Gang Yuan
- The State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Yue Chen
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Youhua Xu
- The State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
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20
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Duan F, Zeng C, Liu S, Gong J, Hu J, Li H, Tan H. α1-nAchR-Mediated Signaling Through Lipid Raft Is Required for Nicotine-Induced NLRP3 Inflammasome Activation and Nicotine-Accelerated Atherosclerosis. Front Cell Dev Biol 2021; 9:724699. [PMID: 34490270 PMCID: PMC8416509 DOI: 10.3389/fcell.2021.724699] [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: 06/14/2021] [Accepted: 07/16/2021] [Indexed: 01/13/2023] Open
Abstract
Background Nicotine exerts direct effects on multiple cell types in the cardiovascular system by associating with its high-affinity nicotinic acetylcholine receptors (nAchRs). Lipid raft is a membrane microdomain that recruits various receptors and signaling molecules for coordinating cellular immune response and many others signaling processes. Here, we aim to identify the essential role of lipid raft in mediating nicotine-triggered inflammatory and nicotine-accelerated atherosclerosis, and to figure out the specific receptor of nicotine-induced Nod-like receptor protein 3 (NLRP3) inflammasome activation in macrophage. Methods and Results ApoE–/– mice were fed with a high-fat diet to build atherosclerosis model. Methyl-β-cyclodextrin was used to interrupt intact lipid raft. We confirmed that nicotine triggered NLRP3 inflammasome activation and induced macrophage migration into atherosclerotic plaque, thus accelerated atherosclerosis in apoE–/– mice fed with a high-fat diet. Mechanically, nicotine increased the expression of α1-nAChR and stimulated the accumulation of α1-nAChR in lipid raft, leading to NLRP3 inflammasome activation in macrophage. Conversely, silencing of α1-nAChR in macrophage sufficiently blocked the pro-inflammasome activation effect of nicotine, indicating that α1-nAChR was the specific receptor for nicotine in triggering NLRP3 inflammasome in macrophage. Furthermore, both the destruction of lipid raft by methyl-β-cyclodextrin and the interference of lipid raft clustering by silencing acid sphingomyelinase reversed nicotine-induced NLRP3 inflammasome activation by reducing the accumulation of α1-nAChR in lipid raft in macrophage, suggesting lipid raft–mediated accumulation of α1-nAChR was the key event in regulating the pro-inflammatory effects of nicotine in macrophage. Importantly, nicotine-induced NLRP3 inflammasome activation and macrophage migration into atherosclerotic plaque were reversed by methyl-β-cyclodextrin, making a significant improvement for atherosclerosis in apoE–/– mice fed with a high-fat diet. Conclusion α1-nAChR-mediated signaling through lipid raft is required for NLRP3 inflammasome activation and pro-atherosclerotic property of nicotine.
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Affiliation(s)
- Fengqi Duan
- Department of Pathophysiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Cheng Zeng
- Department of Pathophysiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Sijun Liu
- Department of Pathophysiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Jianfeng Gong
- Department of Pathophysiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Jia Hu
- Department of Pathophysiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Hongyu Li
- Laboratory Animal Center, Sun Yat-sen University, Guangzhou, China
| | - Hongmei Tan
- Department of Pathophysiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Laboratory Animal Center, Sun Yat-sen University, Guangzhou, China.,The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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21
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Sharma H, Verma S. “Vaping”- a Trojan Horse Against Fight Toward Tobacco Use and Cancer: A Systematic Review of the Existing Evidence. Indian J Med Paediatr Oncol 2021. [DOI: 10.4103/ijmpo.ijmpo_11_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
AbstractThe purpose of this systematic review is to understand many aspects of vaping, like what is vaping, why it is more enticing to adolescents and young adults, what makes it more harmful than regular smoked tobacco products, subsequent health consequences, and what measures are currently being taken against this activity. A literature search was conducted in online database PubMed using search string “(((((Lung injury*[Title/Abstract]) AND Vaping[Title/Abstract]) OR electronic nicotine delivery device[Title/Abstract]) OR electronic cigarette*[Title/Abstract]) AND e-cigarettes liquid) AND electronic cigars and search filter used were “published in the last 5 years” and “Human Studies.” Similar search terms were used to search EMBASE, Web of Science, Google Scholar, and the CENTRAL database of the Cochrane Library with the help of Boolean terms. Thirty-six articles were included for a final systematic review. Many of the known brands use additives such as flavoring and thickening agents that, when used even for the short term, can cause toxicity to human lung tissues. This toxicity depends not only on the extent of the habit, but also on the variable susceptibility to lung damage, dual use with cigarettes, variability in the product design of different brands, and the liquid content used in them. Vaping may be linked with significant health issues, including respiratory diseases such as asthma, very severe forms of bronchitis such as popcorn lung, or E-cigarette, or vaping, product use-associated lung injury, and cardiovascular illnesses such as atherosclerotic plaque and myocardial ischemia. From the current systematic review, we would like to emphasize that no long-term toxicological and health studies have been carried out in humans using these vaping products and their constituents to date. Although cessation should be strongly encouraged in smokers for better quality of life, it is uncertain whether it is a universally safer option to replace cigarettes with these vaping devices.
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Affiliation(s)
- Hunny Sharma
- Department of Public Health Dentistry, Triveni Institute of Dental Sciences, Hospital and Research Centre, Bilaspur, Chhattisgarh, India
| | - Swati Verma
- Department of Public Health Dentistry, Rungta College of Dental Sciences and Research, Bhilai, Chhattisgarh, India
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22
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Gongola A, Bradshaw JC, Jin J, Jensen HK, Bhavaraju A, Margolick J, Sexton KW, Robertson R, Kalkwarf KJ. Retrospective study on rib fractures: smoking and alcohol matter for mortality and complications. Trauma Surg Acute Care Open 2021; 6:e000732. [PMID: 34212116 PMCID: PMC8207992 DOI: 10.1136/tsaco-2021-000732] [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: 03/09/2021] [Accepted: 05/23/2021] [Indexed: 11/17/2022] Open
Abstract
Background Rib fractures and substance use are both common in trauma patients, but there is little data on how smoking and alcohol use may be associated with outcomes in these patients. We assessed the association between smoking or alcohol use disorder (AUD) and outcomes in patients with rib fractures. Methods We used institutional databases to conduct a retrospective review of patients with rib fractures at the only American College of Surgeons-verified adult level 1 trauma center in a rural state between 2015 and 2019. The key exposure variables were smoking and AUD. The key outcome variables were mortality and pulmonary complications (pneumonia, adult respiratory distress syndrome, and pneumothorax). We used multivariable regression for analysis and directed acyclic graphs to identify variables for adjustment. Results We identified 1880 eligible patients with rib fractures, including 693 (37%) who were smokers and 204 (11%) who had AUD. Compared with non-smokers, smokers were younger, more often male, and had lower mortality rates. Regression showed that smokers had a lower likelihood of mortality (OR 0.48; 95% CI 0.27 to 0.87; p=014). Likelihood of pneumonia, ARDS, and pneumothorax was not different between smokers and non-smokers. Compared with patients without AUD, patients with AUD were older, more often male, and had higher likelihood of pneumonia and lower likelihood of pneumothorax. Regression showed that patients with AUD had higher likelihood of pneumonia (OR 1.82; 95% CI 1.24 to 2.68; p=0.002) and lower likelihood of pneumothorax (OR 0.51; 95% CI 0.33 to 0.75; p=0.002). Discussion In trauma patients with rib fractures treated at a level 1 trauma center over 5 years, smoking was associated with decreased risk of mortality. These findings have implications for risk stratification and clinical decision-making for patients with rib fractures. Level of evidence III
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Affiliation(s)
| | - Jace C Bradshaw
- University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Jing Jin
- University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Hanna K Jensen
- Surgery, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Avi Bhavaraju
- Surgery, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Joseph Margolick
- Surgery, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Kevin W Sexton
- Surgery, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Ronald Robertson
- Surgery, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Kyle J Kalkwarf
- Surgery, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
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23
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Fu X, Zong T, Yang P, Li L, Wang S, Wang Z, Li M, Li X, Zou Y, Zhang Y, Htet Aung LH, Yang Y, Yu T. Nicotine: Regulatory roles and mechanisms in atherosclerosis progression. Food Chem Toxicol 2021; 151:112154. [PMID: 33774093 DOI: 10.1016/j.fct.2021.112154] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/22/2021] [Accepted: 03/19/2021] [Indexed: 02/06/2023]
Abstract
Smoking is an independent risk factor for atherosclerosis. The smoke produced by tobacco burning contains more than 7000 chemicals, among which nicotine is closely related to the occurrence and development of atherosclerosis. Nicotine, a selective cholinergic agonist, accelerates the formation of atherosclerosis by stimulating nicotinic acetylcholine receptors (nAChRs) located in neuronal and non-neuronal tissues. This review introduces the pathogenesis of atherosclerosis and the mechanisms involving nicotine and its receptors. Herein, we focus on the various roles of nicotine in atherosclerosis, such as upregulation of growth factors, inflammation, and the dysfunction of endothelial cells, vascular smooth muscle cells (VSMC) as well as macrophages. In addition, nicotine can stimulate the generation of reactive oxygen species, cause abnormal lipid metabolism, and activate immune cells leading to the onset and progression of atherosclerosis. Exosomes, are currently a research hotspot, due to their important connections with macrophages and the VSMC, and may represent a novel application into future preventive treatment to promote the prevention of smoking-related atherosclerosis. In this review, we will elaborate on the regulatory mechanism of nicotine on atherosclerosis, as well as the effects of interference with nicotine receptors and the use of exosomes to prevent atherosclerosis development.
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Affiliation(s)
- Xiuxiu Fu
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266000, People's Republic of China
| | - Tingyu Zong
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266000, People's Republic of China
| | - Panyu Yang
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266000, People's Republic of China
| | - Lin Li
- Department of Vascular Surgery, The Qingdao Hiser Medical Center, Qingdao, Shandong Province, China
| | - Shizhong Wang
- The Department of Cardiovascular Surgery, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 66000, People's Republic of China
| | - Zhibin Wang
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266000, People's Republic of China
| | - Min Li
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, No. 38 Dengzhou Road, Qingdao, 266021, People's Republic of China
| | - Xiaolu Li
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266000, People's Republic of China
| | - Yulin Zou
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266000, People's Republic of China
| | - Ying Zhang
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266000, People's Republic of China
| | - Lynn Htet Htet Aung
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, No. 38 Dengzhou Road, Qingdao, 266021, People's Republic of China
| | - Yanyan Yang
- Department of Immunology, School of Basic Medicine, Qingdao University, No. 308 Ningxia Road, Qingdao, 266021, People's Republic of China.
| | - Tao Yu
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266000, People's Republic of China; Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, No. 38 Dengzhou Road, Qingdao, 266021, People's Republic of China.
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24
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He B, Nie Q, Wang F, Han Y, Yang B, Sun M, Fan X, Ye Z, Liu P, Wen J. Role of pyroptosis in atherosclerosis and its therapeutic implications. J Cell Physiol 2021; 236:7159-7175. [PMID: 33755211 DOI: 10.1002/jcp.30366] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 02/20/2021] [Accepted: 03/08/2021] [Indexed: 12/11/2022]
Abstract
Atherosclerosis is a significant cardiovascular burden and a leading cause of death worldwide, recognized as a chronic sterile inflammatory disease. Pyroptosis is a novel proinflammatory regulated cell death, characterized by cell swelling, plasma membrane bubbling, and robust release of proinflammatory cytokines (such as interleukin IL-1β and IL-18). Mounting studies have addressed the crucial contribution of pyroptosis to atherosclerosis and clarified the candidate therapeutic agents targeting pyroptosis for atherosclerosis. Herein, we review the initial characterization of pyroptosis, the detailed mechanisms of pyroptosis, current evidence about pyroptosis and atherosclerosis, and potential therapeutic strategies that target pyroptosis in the development of atherosclerosis.
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Affiliation(s)
- Bin He
- Department of Cardiovascular Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
| | - Qiangqiang Nie
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Feng Wang
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Yongxin Han
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Bo Yang
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Mingsheng Sun
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Xueqiang Fan
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Zhidong Ye
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Peng Liu
- Department of Cardiovascular Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China.,Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Jianyan Wen
- Department of Cardiovascular Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China.,Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
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25
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Jaimes EA, Zhou MS, Siddiqui M, Rezonzew G, Tian R, Seshan SV, Muwonge AN, Wong NJ, Azeloglu EU, Fornoni A, Merscher S, Raij L. Nicotine, smoking, podocytes, and diabetic nephropathy. Am J Physiol Renal Physiol 2021; 320:F442-F453. [PMID: 33459165 PMCID: PMC7988804 DOI: 10.1152/ajprenal.00194.2020] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 01/07/2021] [Accepted: 01/08/2021] [Indexed: 12/13/2022] Open
Abstract
Diabetic nephropathy (DN) is the leading cause of end-stage kidney disease. Besides glycemic and blood pressure control, environmental factors such as cigarette smoking (CS) adversely affect the progression of DN. The effects of CS on DN progression have been attributed to combustion-generated molecules without consideration to the role of nicotine (NIC), responsible for the addictive properties of both CS and electronic cigarettes (ECs). Podocytes are essential to preserve the structure and function of the glomerular filtration barrier, and strong evidence indicates that early podocyte loss promotes DN progression. We performed experiments in human podocytes and in a mouse model of diabetes that develops nephropathy resembling human DN. We determined that NIC binding to podocytes in concentrations achieved with CS and ECs activated NADPH oxidase, which sets in motion a dysfunctional molecular network integrated by cyclooxygenase 2, known to induce podocyte injury; downregulation of AMP-activated protein kinase, important for maintaining cellular energy stores and antioxidation; and upregulation of CD36, which increased lipid uptake and promoted apoptosis. In diabetic mice, NIC increased proteinuria, a recognized marker of chronic kidney disease progression, accompanied by reduced glomerular podocyte synaptopodin, a crucial stabilizer of the podocyte cytoskeleton, and increased fibronectin expression. This novel study critically implicates NIC itself as a contributor to DN progression in CS and EC users.NEW & NOTEWORTHY In this study, we demonstrate that nicotine increases the production of reactive oxygen species, increases cyclooxygenase-2 expression, and upregulates Cd36 while inducing downregulation of AMP-activated protein kinase. In vivo nicotine increases proteinuria and fibronectin expression in diabetic mice. This study demonstrates that effects of nicotine on podocytes are responsible, at least in part, for the deleterious effects of smoking in the progression of chronic kidney disease, including diabetic nephropathy.
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Affiliation(s)
- Edgar A Jaimes
- Renal Service, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Ming-Sheng Zhou
- Department of Physiology, Shenyang Medical University, Shenyang, China
| | - Mohammed Siddiqui
- Renal Division, University of Alabama at Birmingham, Birmingham, Alabama
| | - Gabriel Rezonzew
- Renal Division, University of Alabama at Birmingham, Birmingham, Alabama
| | - Runxia Tian
- Nephrology Section, Miami Veterans Affairs Medical Center, Miami, Florida
| | - Surya V Seshan
- Department of Pathology, Weill Cornell Medical College, New York, New York
| | - Alecia N Muwonge
- Division of Nephrology, Department of Medicine, Icahn Mount Sinai School of Medicine, New York, New York
| | - Nicholas J Wong
- Division of Nephrology, Department of Medicine, Icahn Mount Sinai School of Medicine, New York, New York
| | - Evren U Azeloglu
- Division of Nephrology, Department of Medicine, Icahn Mount Sinai School of Medicine, New York, New York
| | - Alessia Fornoni
- Katz Family Division of Nephrology and Hypertension, University of Miami Miller School of Medicine, Miami, Florida
| | - Sandra Merscher
- Katz Family Division of Nephrology and Hypertension, University of Miami Miller School of Medicine, Miami, Florida
| | - Leopoldo Raij
- Katz Family Division of Nephrology and Hypertension, University of Miami Miller School of Medicine, Miami, Florida
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26
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Mao C, Li D, Zhou E, Zhang J, Wang C, Xue C. Nicotine exacerbates atherosclerosis through a macrophage-mediated endothelial injury pathway. Aging (Albany NY) 2021; 13:7627-7643. [PMID: 33626512 PMCID: PMC7993665 DOI: 10.18632/aging.202660] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 01/14/2021] [Indexed: 02/06/2023]
Abstract
Evidence suggests that nicotine intake promotes atherosclerosis. We enrolled 100 patients with coronary heart disease (CHD) and found that plaque burden, TXNIP expression, and inflammatory chemokine levels were higher in smokers than non-smokers. Additionally, patients with higher TXNIP expression in peripheral blood mononuclear cells (PBMCs) had a higher Gensini Scores and higher plasma IL-1β and IL-18 levels. Treating bone marrow-derived macrophages (BMDMs) with nicotine in vitro led to enhanced lipid phagocytosis, chemotaxis, and increased production of reactive oxygen species (ROS), which activated TXNIP/NLRP3 inflammasome signaling and promoted pyroptosis, as evidenced by caspase-1 cleavage and increased production of IL-1β, IL-18, and gasdermin D. Nicotine intake by ApoE(-/-) mice fed a high-fat diet recapitulated those phenotypes. The effects of nicotine on pyroptotic signaling were reversed by N-acetyl-cysteine, a ROS scavenger. Silencing TXNIP in vivo reversed the effects of nicotine on macrophage invasion and vascular injury. Nicotine also induced pyroptotic macrophages that contributed to the apoptotic death of endothelial cells. These findings suggest that nicotine accelerates atherosclerosis in part by promoting macrophage pyroptosis and endothelial damage. Therefore, targeting the TXNIP/NLRP3-mediated pyroptotic pathway in macrophages may ameliorate nicotine-induced endothelial damage.
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Affiliation(s)
- ChengYu Mao
- Department of Cardiology, Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, People’s Republic of China
| | - DongJiu Li
- Department of Cardiology, Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, People’s Republic of China
| | - En Zhou
- Department of Cardiology, Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, People’s Republic of China
| | - JunFeng Zhang
- Department of Cardiology, Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, People’s Republic of China
| | - ChangQian Wang
- Department of Cardiology, Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, People’s Republic of China
| | - Chao Xue
- Department of Cardiology, Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, People’s Republic of China
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27
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Pugazhendhi A, Hubbell M, Jairam P, Ambati B. Neovascular Macular Degeneration: A Review of Etiology, Risk Factors, and Recent Advances in Research and Therapy. Int J Mol Sci 2021; 22:1170. [PMID: 33504013 PMCID: PMC7866170 DOI: 10.3390/ijms22031170] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/11/2021] [Accepted: 01/19/2021] [Indexed: 12/14/2022] Open
Abstract
Neovascular age-related macular degeneration (exudative or wet AMD) is a prevalent, progressive retinal degenerative macular disease that is characterized by neovascularization of the choroid, mainly affecting the elderly population causing gradual vision impairment. Risk factors such as age, race, genetics, iris color, smoking, drinking, BMI, and diet all play a part in nvAMD's progression, with anti-vascular endothelial growth factor (anti-VEGF) therapy being the mainstay of treatment. Current therapeutic advancements slow the progression of the disease but do not cure or reverse its course. Newer therapies such as gene therapies, Rho-kinase inhibitors, and levodopa offer potential new targets for treatment.
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Affiliation(s)
- Arunbalaji Pugazhendhi
- Knights Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR 97403, USA; (A.P.); (M.H.)
| | - Margaret Hubbell
- Knights Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR 97403, USA; (A.P.); (M.H.)
| | - Pooja Jairam
- Vagelos College of Physicians & Surgeons, Columbia Irving Medical Center, Columbia University, New York, NY 10032, USA;
| | - Balamurali Ambati
- Knights Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR 97403, USA; (A.P.); (M.H.)
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28
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Li J, Huynh L, Cornwell WD, Tang MS, Simborio H, Huang J, Kosmider B, Rogers TJ, Zhao H, Steinberg MB, Thu Thi Le L, Zhang L, Pham K, Liu C, Wang H. Electronic Cigarettes Induce Mitochondrial DNA Damage and Trigger TLR9 (Toll-Like Receptor 9)-Mediated Atherosclerosis. Arterioscler Thromb Vasc Biol 2020; 41:839-853. [PMID: 33380174 DOI: 10.1161/atvbaha.120.315556] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Electronic cigarette (e-cig) use has recently been implicated in promoting atherosclerosis. In this study, we aimed to investigate the mechanism of e-cig exposure accelerated atherosclerotic lesion development. Approach and Results: Eight-week-old ApoE-/- mice fed normal laboratory diet were exposed to e-cig vapor (ECV) for 2 hours/day, 5 days/week for 16 weeks. We found that ECV exposure significantly induced atherosclerotic lesions as examined by Oil Red O staining and greatly upregulated TLR9 (toll-like receptor 9) expression in classical monocytes and in the atherosclerotic plaques, which the latter was corroborated by enhanced TLR9 expression in human femoral artery atherosclerotic plaques from e-cig smokers. Intriguingly, we found a significant increase of oxidative mitochondria DNA lesion in the plasma of ECV-exposed mice. Administration of TLR9 antagonist before ECV exposure not only alleviated atherosclerosis and the upregulation of TLR9 in plaques but also attenuated the increase of plasma levels of inflammatory cytokines, reduced the plaque accumulation of lipid and macrophages, and decreased the frequency of blood CCR2+ (C-C chemokine receptor type 2) classical monocytes. Surprisingly, we found that cytoplasmic mitochondrial DNA isolated from ECV extract-treated macrophages can enhance TLR9 activation in reporter cells and the induction of inflammatory cytokine could be suppressed by TLR9 inhibitor in macrophages. CONCLUSIONS E-cig increases level of damaged mitochondrial DNA in circulating blood and induces the expression of TLR9, which elevate the expression of proinflammatory cytokines in monocyte/macrophage and consequently lead to atherosclerosis. Our results raise the possibility that intervention of TLR9 activation is a potential pharmacological target of ECV-related inflammation and cardiovascular diseases.
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Affiliation(s)
- Jieliang Li
- Department of Pathology and Laboratory Medicine, Robert Wood Johnson Medical School, Rutgers University, Piscataway, NJ (J.L., L.H., J.H., L.T.T.L., H.W.)
| | - Luong Huynh
- Department of Pathology and Laboratory Medicine, Robert Wood Johnson Medical School, Rutgers University, Piscataway, NJ (J.L., L.H., J.H., L.T.T.L., H.W.)
| | - William D Cornwell
- Department of Physiology (W.D.C.), Temple University School of Medicine, Philadelphia, PA
| | - Moon-Shong Tang
- Department of Environment Medicine, New York University School of Medicine, Tuxedo Park (M.-S.T.)
| | - Hannah Simborio
- Center for Inflammation, Translational and Clinical Lung Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA (H.S., B.K., T.J.R.)
| | - Jing Huang
- Department of Pathology and Laboratory Medicine, Robert Wood Johnson Medical School, Rutgers University, Piscataway, NJ (J.L., L.H., J.H., L.T.T.L., H.W.)
| | - Beata Kosmider
- Center for Inflammation, Translational and Clinical Lung Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA (H.S., B.K., T.J.R.).,Department of Thoracic Medicine and Surgery (B.K.), Temple University School of Medicine, Philadelphia, PA
| | - Thomas J Rogers
- Center for Inflammation, Translational and Clinical Lung Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA (H.S., B.K., T.J.R.)
| | - Huaqing Zhao
- Department of Clinical Sciences (H.Z.), Temple University School of Medicine, Philadelphia, PA
| | - Michael B Steinberg
- Division of General Internal Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ (M.B.S.)
| | - Le Thu Thi Le
- Department of Pathology and Laboratory Medicine, Robert Wood Johnson Medical School, Rutgers University, Piscataway, NJ (J.L., L.H., J.H., L.T.T.L., H.W.)
| | - Lanjing Zhang
- Gastrointestinal and Liver Pathology, Penn Medicine Princeton Medical Center, Plainsboro, New Jersey (L.Z.)
| | - Kien Pham
- Department of Pathology, Yale University School of Medicine, New Haven, CT (K.P., C.L.)
| | - Chen Liu
- Department of Pathology, Yale University School of Medicine, New Haven, CT (K.P., C.L.)
| | - He Wang
- Department of Pathology and Laboratory Medicine, Robert Wood Johnson Medical School, Rutgers University, Piscataway, NJ (J.L., L.H., J.H., L.T.T.L., H.W.)
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29
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Tsai M, Byun MK, Shin J, Crotty Alexander LE. Effects of e-cigarettes and vaping devices on cardiac and pulmonary physiology. J Physiol 2020; 598:5039-5062. [PMID: 32975834 PMCID: PMC10506663 DOI: 10.1113/jp279754] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 08/21/2020] [Indexed: 12/11/2022] Open
Abstract
E-cigarette aerosols are exceedingly different from conventional tobacco smoke, containing dozens of chemicals not found in cigarette smoke. It is highly likely that chronic use of e-cigarettes will induce pathological changes in both the heart and lungs. Here we review human and animal studies published to date and summarize the cardiopulmonary physiological changes caused by vaping. In terms of cardiac physiology, acute exposure to e-cigarette aerosols in human subjects led to increased blood pressure and heart rate, similar to traditional cigarettes. Chronic exposure to e-cigarette aerosols using animal models caused increased arterial stiffness, vascular endothelial changes, increased angiogenesis, cardiorenal fibrosis and increased atherosclerotic plaque formation. Pulmonary physiology is also affected by e-cigarette aerosol inhalation, with increased airway reactivity, airway obstruction, inflammation and emphysema. Research thus far demonstrates that the heart and lung undergo numerous changes in response to e-cigarette use, and disease development will depend on how those changes combine with both environmental and genetic factors. E-cigarettes have been advertised as a healthy alternative to cigarette smoking, and users are under the impression that vaping of e-cigarettes is harmless, but these claims that e-cigarettes are safer and healthier are not based on evidence. Data from both humans and animal models are consistent in demonstrating that vaping of e-cigarettes causes health effects both similar to and disparate from those of cigarette smoking. Further work is needed to define the long-term cardiopulmonary effects of e-cigarette use in humans.
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Affiliation(s)
- MuChun Tsai
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Min Kwang Byun
- Pulmonary and Critical Care Section, VA San Diego Healthcare System, La Jolla, CA, USA
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California San Diego (UCSD), La Jolla, CA, USA
- Division of Pulmonology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - John Shin
- Pulmonary and Critical Care Section, VA San Diego Healthcare System, La Jolla, CA, USA
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California San Diego (UCSD), La Jolla, CA, USA
| | - Laura E Crotty Alexander
- Pulmonary and Critical Care Section, VA San Diego Healthcare System, La Jolla, CA, USA
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California San Diego (UCSD), La Jolla, CA, USA
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30
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Rodrigo G, Jaccard G, Tafin Djoko D, Korneliou A, Esposito M, Belushkin M. Cancer potencies and margin of exposure used for comparative risk assessment of heated tobacco products and electronic cigarettes aerosols with cigarette smoke. Arch Toxicol 2020; 95:283-298. [PMID: 33025067 PMCID: PMC7811518 DOI: 10.1007/s00204-020-02924-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 09/29/2020] [Indexed: 12/31/2022]
Abstract
Health risk associated with the use of combustible cigarettes is well characterized and numerous epidemiological studies have been published for many years. Since more than a decade, innovative non-combusted tobacco products have emerged like heated tobacco products (HTP) or electronic cigarettes (EC). Long-term effects of these new products on health remain, however, unknown and there is a need to characterize associated potential health risks. The time dedicated to epidemiological data generation (at least 20 to 40 years for cancer endpoint), though, is not compatible with innovative development. Surrogates need, therefore, to be developed. In this work, non-cancer and cancer risks were estimated in a range of HTP and commercial combustible cigarettes based upon their harmful and potentially harmful constituent yields in aerosols and smoke, respectively. It appears that mean lifetime cancer risk values were decreased by more than one order of magnitude when comparing HTPs and commercial cigarettes, and significantly higher margin of exposure for non-cancer risk was observed for HTPs when compared to commercial cigarettes. The same approach was applied to two commercial ECs. Similar results were also found for this category of products. Despite uncertainties related to the factors used for the calculations and methodological limitations, this approach is valuable to estimate health risks associated to the use of innovative products. Moreover, it acts as predictive tool in absence of long-term epidemiological data. Furthermore, both cancer and non-cancer risks estimated for HTPs and ECs highlight the potential of reduced risk for non-combusted products when compared to cigarette smoking.
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Affiliation(s)
- Gregory Rodrigo
- PMI R&D, Philip Morris Products S.A., Rue des Usines 56, 2000, Neuchâtel, Switzerland
| | - Guy Jaccard
- PMI R&D, Philip Morris Products S.A., Rue des Usines 56, 2000, Neuchâtel, Switzerland.
| | - Donatien Tafin Djoko
- PMI R&D, Philip Morris Products S.A., Rue des Usines 56, 2000, Neuchâtel, Switzerland
| | - Alexandra Korneliou
- PMI R&D, Philip Morris Products S.A., Rue des Usines 56, 2000, Neuchâtel, Switzerland
| | - Marco Esposito
- PMI R&D, Philip Morris Products S.A., Rue des Usines 56, 2000, Neuchâtel, Switzerland
| | - Maxim Belushkin
- PMI R&D, Philip Morris Products S.A., Rue des Usines 56, 2000, Neuchâtel, Switzerland
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31
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Mechanistic Insights into the Oxidized Low-Density Lipoprotein-Induced Atherosclerosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:5245308. [PMID: 33014272 PMCID: PMC7512065 DOI: 10.1155/2020/5245308] [Citation(s) in RCA: 148] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/30/2020] [Accepted: 09/01/2020] [Indexed: 02/07/2023]
Abstract
Dyslipidaemia has a prominent role in the onset of notorious atherosclerosis, a disease of medium to large arteries. Atherosclerosis is the prime root of cardiovascular events contributing to the most considerable number of morbidity and mortality worldwide. Factors like cellular senescence, genetics, clonal haematopoiesis, sedentary lifestyle-induced obesity, or diabetes mellitus upsurge the tendency of atherosclerosis and are foremost pioneers to definitive transience. Accumulation of oxidized low-density lipoproteins (Ox-LDLs) in the tunica intima triggers the onset of this disease. In the later period of progression, the build-up plaques rupture ensuing thrombosis (completely blocking the blood flow), causing myocardial infarction, stroke, and heart attack, all of which are common atherosclerotic cardiovascular events today. The underlying mechanism is very well elucidated in literature but the therapeutic measures remains to be unleashed. Researchers tussle to demonstrate a clear understanding of treating mechanisms. A century of research suggests that lowering LDL, statin-mediated treatment, HDL, and lipid-profile management should be of prime interest to retard atherosclerosis-induced deaths. We shall brief the Ox-LDL-induced atherogenic mechanism and the treating measures in line to impede the development and progression of atherosclerosis.
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32
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Lan K, Zhang G, Liu L, Guo Z, Luo X, Guan H, Yu Q, Liu E. Electronic cigarette exposure on insulin sensitivity of ApoE gene knockout mice. Tob Induc Dis 2020; 18:68. [PMID: 32818031 PMCID: PMC7425754 DOI: 10.18332/tid/125399] [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: 03/07/2020] [Revised: 06/06/2020] [Accepted: 07/14/2020] [Indexed: 11/24/2022] Open
Abstract
INTRODUCTION The current study aimed to investigate the effects of electronic cigarettes on insulin sensibility in ApoE gene knockout mice. METHODS In total, 48 male ApoE gene knockout mice were randomly divided into four exposure groups: 1) electronic cigarette (e-cigarette) containing 12 mg/mL of nicotine, 2) e-cigarette without nicotine (0mg), 3) traditional cigarette (cigarette), and 4) fresh air (control). The first three groups were exposed to the associated smoke for 18 weeks. The body weight was recorded regularly in the four groups. After the last exposure, the concentrations of lipids, hs-CRP and TNF-α in serum were detected and the effect of electronic cigarettes on insulin tolerance was measured. RESULTS The levels of serum lipid, hs-CRP and TNF-α in the e-cigarette, 0mg and cigarette groups were significantly increased compared with those in the control group (p<0.05). Also, the insulin tolerance in the e-cigarette, 0mg and cigarette groups was significantly decreased compared to that in the control group (p<0.05). CONCLUSIONS Electronic cigarettes showed comparable effects to traditional cigarettes in influencing the metabolic functions in ApoE gene knockout mice.
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Affiliation(s)
- Kai Lan
- Department of Clinical Medicine, Xi’an Medical University, Xi’an, China
| | - Guangwei Zhang
- Department of Basic Medical Science, Xi’an Medical University, Xi’an, China
- School of Public Health, Xi’an Medical University, Xi’an, China
- Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an, China
- Laboratory Animal Center, Xi’an Jiaotong University Health Science Center, Xi’an Jiaotong University, Xi’an, China
| | - Lijuan Liu
- School of Public Health, Xi’an Medical University, Xi’an, China
| | - Ziwei Guo
- School of Public Health, Xi’an Medical University, Xi’an, China
| | - Xianyu Luo
- School of Public Health, Xi’an Medical University, Xi’an, China
| | - Hua Guan
- Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an, China
| | - Qi Yu
- Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an, China
| | - Enqi Liu
- Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an, China
- Laboratory Animal Center, Xi’an Jiaotong University Health Science Center, Xi’an Jiaotong University, Xi’an, China
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Abstract
Although stem cell therapy has tremendous therapeutic potential, clinical translation of stem cell therapy has yet to be fully realized. Recently, patient comorbidities and lifestyle choices have emerged to be important factors in the efficacy of stem cell therapy. Tobacco usage is an important risk factor for numerous diseases, and nicotine exposure specifically has become increasing more prevalent with the rising use of electronic cigarettes. This review describes the effects of nicotine exposure on the function of various stem cells. We place emphasis on the differential effects of nicotine exposure in vitro and as well as in preclinical models. Further research on the effects of nicotine on stem cells will deepen our understanding of how lifestyle choices can impact the outcome of stem cell therapies.
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Affiliation(s)
- Alex Hp Chan
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA 94305, USA.,Stanford Cardiovascular Institute, Stanford University, Stanford, CA 94305, USA.,Veterans Affairs Palo Alto Health Care System, Palo Alto, CA 94304, USA
| | - Ngan F Huang
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA 94305, USA.,Stanford Cardiovascular Institute, Stanford University, Stanford, CA 94305, USA.,Veterans Affairs Palo Alto Health Care System, Palo Alto, CA 94304, USA
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34
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Abstract
The use of electronic cigarettes has increased exponentially since its introduction onto the global market in 2006. However, short- and long-term health effects remain largely unknown due to the novelty of this product. The present study examines the acute effects of e-cigarette aerosol inhalation, with and without nicotine, on vascular and pulmonary function in healthy volunteers. Seventeen healthy subjects inhaled electronic cigarette aerosol with and without nicotine on two separate occasions in a double-blinded crossover fashion. Blood pressure, heart rate, and arterial stiffness measured by pulse wave velocity and pulse wave analysis were assessed at baseline, and then at 0 h, 2 h, and 4 h following exposure. Dynamic spirometry and impulse oscillometry were measured following vascular assessments at these time points, as well as at 6 h following exposure. e-Cigarette aerosol with nicotine caused a significant increase in heart rate and arterial stiffness. Furthermore, e-cigarette aerosol-containing nicotine caused a sudden increase in flow resistance as measured by impulse oscillometry, indicating obstruction of the conducting airways. Both aerosols caused an increase in blood pressure. The present study indicates that inhaled e-cigarette aerosol with nicotine has an acute impact on vascular and pulmonary function. Thus, chronic usage may lead to long-term adverse health effects. Further investigation is warranted.
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Benedikter BJ, Koenen RR. Vaping, vapor, vesicles! Electronic cigarettes provoke vascular extracellular vesicle release in healthy volunteers. Atherosclerosis 2020; 301:79-81. [PMID: 32305177 DOI: 10.1016/j.atherosclerosis.2020.03.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 03/11/2020] [Accepted: 03/18/2020] [Indexed: 12/28/2022]
Affiliation(s)
- Birke J Benedikter
- Institute for Lung Research, Universities of Giessen and Marburg Lung Centre, Philipps-University Marburg, Member of the German Center for Lung Research (DZL), Marburg, Germany; Department of Medical Microbiology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center, the Netherlands
| | - Rory R Koenen
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, the Netherlands.
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Qin W, Zhang L, Li Z, Xiao D, Zhang Y, Zhang H, Mokembo JN, Monayo SM, Jha NK, Kopylov P, Shchekochikhin D, Zhang Y. Endothelial to mesenchymal transition contributes to nicotine-induced atherosclerosis. Theranostics 2020; 10:5276-5289. [PMID: 32373212 PMCID: PMC7196288 DOI: 10.7150/thno.42470] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 03/25/2020] [Indexed: 12/16/2022] Open
Abstract
Rationale: Nicotine exposure via cigarette smoking is strongly associated with atherosclerosis. However, the underlying mechanisms remain poorly understood. The current study aimed to identify whether endothelial to mesenchymal transition (EndMT) contributes to nicotine-induced atherosclerosis. Methods: ApoE-/- mice were administered nicotine in their drinking water for 12 weeks. The effects of nicotine on EndMT were determined by immunostaining on aortic root and RNA analysis in aortic intima. In vitro nicotine-treated cell model was established on human aortic endothelial cells (HAECs). The effects of nicotine on the expression of EndMT-related markers, ERK1/2 and Snail were quantified by real-time PCR, western blot and immunofluorescent staining. Results: Nicotine treatment resulted in larger atherosclerotic plaques in ApoE-/- mice. The vascular endothelial cells from nicotine-treated mice showed mesenchymal phenotype, indicating EndMT. Moreover, nicotine-induced EndMT process was accompanied by cytoskeleton reorganization and impaired barrier function. The α7 nicotine acetylcholine receptor (α7nAChR) was highly expressed in HAECs and its antagonist could effectively relieve nicotine-induced EndMT and atherosclerotic lesions in mice. Further experiments revealed that ERK1/2 signaling was activated by nicotine, which led to the upregulation of Snail. Blocking ERK1/2 with inhibitor or silencing Snail by small interfering RNA efficiently preserved endothelial phenotype upon nicotine stimulation. Conclusion: Our study provides evidence that EndMT contributes to the pro-atherosclerotic property of nicotine. Nicotine induces EndMT through α7nAChR-ERK1/2-Snail signaling in endothelial cells. EndMT may be a therapeutic target for smoking-related endothelial dysfunction and cardiovascular disease.
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Affiliation(s)
- Wei Qin
- School of Pharmacy, Jining Medical University, Rizhao, Shandong, China
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), Harbin Medical University, Harbin, Heilongjiang, China
| | - Longyin Zhang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), Harbin Medical University, Harbin, Heilongjiang, China
- Department of Pharmacy, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Zhange Li
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), Harbin Medical University, Harbin, Heilongjiang, China
| | - Dan Xiao
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), Harbin Medical University, Harbin, Heilongjiang, China
| | - Yue Zhang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), Harbin Medical University, Harbin, Heilongjiang, China
| | - Haiying Zhang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), Harbin Medical University, Harbin, Heilongjiang, China
| | - Justine Nyakango Mokembo
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), Harbin Medical University, Harbin, Heilongjiang, China
| | - Seth Mikaye Monayo
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), Harbin Medical University, Harbin, Heilongjiang, China
| | - Nabanit Kumar Jha
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), Harbin Medical University, Harbin, Heilongjiang, China
| | - Philipp Kopylov
- Department of Preventive and Emergency Cardiology, Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | - Dmitri Shchekochikhin
- Department of Preventive and Emergency Cardiology, Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | - Yong Zhang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), Harbin Medical University, Harbin, Heilongjiang, China
- Institute of Metabolic Disease, Heilongjiang Academy of Medical Science, Harbin, Heilongjiang, China
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Mobarrez F, Antoniewicz L, Hedman L, Bosson JA, Lundbäck M. Electronic cigarettes containing nicotine increase endothelial and platelet derived extracellular vesicles in healthy volunteers. Atherosclerosis 2020; 301:93-100. [PMID: 32122618 DOI: 10.1016/j.atherosclerosis.2020.02.010] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 02/04/2020] [Accepted: 02/12/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND AND AIMS E-cigarette use is increasingly common. Whether e-cigarettes are harmful to human health is an intensely debated subject. In order to investigate whether e-cigarettes with and without nicotine cause different vascular responses, we obtained blood samples from healthy young volunteers who performed brief active e-cigarette inhalations. Extracellular vesicles (EVs) of endothelial and platelet origin were measured to determine vascular changes. METHODS Using a randomized, double-blind, crossover design, 17 healthy occasional smokers inhaled 30 puffs of e-cigarette vapor during 30 min. Blood samples were collected at baseline, as well as at 0, 2, 4 and 6 h post-exposure. EVs from platelets and endothelial cells were measured by flow cytometry. RESULTS Platelet and endothelial derived EVs were significantly increased with peak levels seen at 4 h following exposure to active inhalation of e-cigarette vapor with nicotine. Moreover, platelet derived EVs, expressing platelet activation marker P-selectin and the inflammation marker, CD40 ligand, were also significantly increased following inhalation of e-cigarette vapor with nicotine. In addition, platelet derived EVs expressing CD40 ligand was increased after inhalation of e-cigarette vapor without nicotine. CONCLUSION As few as 30 puffs of nicotine-containing e-cigarette vapor caused an increase in levels of circulating EVs of endothelial and platelet origin, which may signify underlying vascular changes. Although e-cigarette vapor without nicotine caused an increase in platelet EVs expressing CD40 ligand, nicotine, as a component in the vapor, seems to have a more compelling effect on extracellular vesicle formation and protein composition.
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Affiliation(s)
- Fariborz Mobarrez
- Department of Medical Sciences, Uppsala University, 75185, Uppsala, Sweden
| | - Lukasz Antoniewicz
- Karolinska Institutet, Department of Clinical Sciences, Division of Internal Medicine, Danderyd University Hospital, Stockholm, Sweden
| | - Linnea Hedman
- Umeå University, Department of Public Health and Clinical Medicine, Section of Sustainable Health, The OLIN Unit, Umeå, Sweden
| | - Jenny A Bosson
- Umeå University, Department of Public Health and Clinical Medicine, Division of Medicine/Respiratory Medicine, Umeå, Sweden
| | - Magnus Lundbäck
- Karolinska Institutet, Department of Clinical Sciences, Division of Cardiovascular Medicine, Danderyd University Hospital, Stockholm, Sweden.
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Upadhya MA, Upadhya HM, Borkar CD, Choudhary AG, Singh U, Chavan P, Sakharkar A, Singru P, Subhedar NK, Kokare DM. Nicotine-induced Brain Stimulation Reward is Modulated by Melanocortin-4 Receptors in Ovariectomized Rats. Neuroscience 2020; 431:205-221. [PMID: 32035118 DOI: 10.1016/j.neuroscience.2020.01.035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 01/24/2020] [Accepted: 01/28/2020] [Indexed: 11/29/2022]
Abstract
Apart from reproduction, estrogen influences a multitude of processes. Increase in estrogen levels in women is known to promote reward probably mediated via the melanocortin and dopamine systems. Reduced estrogen in post-menopausal women attenuates reward, evoking the need for stimulation with greater rewarding salience. This is reflected in the well-recognized phenomena of difficulty in quitting and increased craving for nicotine in women following the onset of menopause. The present study aims at understanding the role of melanocortin receptors (MC-R) in nicotine-induced reward behavior following ovariectomy in rats. The MC4-R mRNA level was increased in ipsilateral nucleus accumbens (Acb) of the intact rats implanted with electrode in medial forebrain bundle and trained in intracranial self-stimulation (ICSS) paradigm. Additional groups of ICSS trained rats were ovariectomized (OVX) and subjected to reward evaluation. Trained OVX rats revealed a significant increase in threshold frequency and rightward shift in rate frequency curve, suggesting reward deficit behavior. However, pre-administration with nicotine, alpha-melanocyte stimulating hormone (α-MSH) or NDP-MSH (MC4-R agonist) to OVX animals restored the rewarding activity in ICSS protocol; HS014 (MC4-R antagonist) suppressed the lever press activity. Prior treatment with sub-effective doses of α-MSH or NDP-MSH potentiated the reward effect of nicotine, but was attenuated by HS014. Alpha-MSH-immunoreactivity was decreased in the Acb shell, arcuate and paraventricular nucleus of hypothalamus, and ventral bed nucleus of stria terminalis in the OVX rats, while nicotine treatment restored the same. We suggest a role for the endogenous MC system, perhaps acting via MC4-R, in the nicotine-induced reward in OVX rats.
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Affiliation(s)
- Manoj A Upadhya
- Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pashan, Pune 411 008, Maharashtra, India; Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440 033, India
| | - Harshita M Upadhya
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440 033, India
| | - Chandrashekhar D Borkar
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440 033, India
| | - Amit G Choudhary
- Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pashan, Pune 411 008, Maharashtra, India; Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440 033, India
| | - Uday Singh
- School of Biological Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar, Jatni, Odisha 752 050, India
| | - Priyanka Chavan
- Department of Biotechnology, Savitribai Phule Pune University, Pune 411 007, India
| | - Amul Sakharkar
- Department of Biotechnology, Savitribai Phule Pune University, Pune 411 007, India
| | - Praful Singru
- School of Biological Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar, Jatni, Odisha 752 050, India
| | - Nishikant K Subhedar
- Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pashan, Pune 411 008, Maharashtra, India
| | - Dadasaheb M Kokare
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440 033, India.
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Akalu Y, Birhan A. Peripheral Arterial Disease and Its Associated Factors among Type 2 Diabetes Mellitus Patients at Debre Tabor General Hospital, Northwest Ethiopia. J Diabetes Res 2020; 2020:9419413. [PMID: 32090126 PMCID: PMC7008281 DOI: 10.1155/2020/9419413] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 01/18/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Peripheral arterial disease (PAD), one of the major macrovascular complications of diabetes, is associated with cardiovascular mortality and a high rate of disability following the amputation of an extremity in diabetes patients. However, there is no data on the prevalence of PAD among type 2 diabetes patients in Ethiopia. Therefore, the current study is aimed at determining the prevalence and associated factors of PAD among type 2 diabetes patients at Debre Tabor General Hospital, Debre Tabor, Northwest Ethiopia. METHODS An institution-based cross-sectional study was conducted among type 2 diabetes mellitus patients from February 1 to August 30, 2019. A pretested interviewer-administered questionnaire was used to collect the data. The presence of stenosis and its grading were determined by color Doppler ultrasonography. Data were entered using EpiData-V.4.6 and analyzed by STATA-14. Bivariable and multivariable logistic regression was performed to identify associated factors of peripheral arterial disease. Adjusted odds ratio (AOR) and its confidence interval were estimated for potential predictors included in the final model. P ≤ 0.05 was used to declare statistical significance. RESULTS The mean age of the study participants was 61.2 ± 7.3 years. One hundred seventy-two (61.4%) patients were males. The prevalence of PAD in this study was 30.7% (95% CI (25.3-36.2%)). Of these, 37 (43%) were symptomatic. Age (AOR = 1.09, 95% CI (1.03-1.16)), higher HbA1c (AOR = 1.97, 95% CI (1.03-3.40)), being an ex-smoker (AOR = 4.68, 95% CI (1.93-11.30)), and current cigarette smoking (AOR = 5.84, 95% CI (1.79-19.04)) were significantly associated with PAD. CONCLUSION The prevalence of peripheral arterial disease among type 2 diabetes patients was high. Increasing age, high HbA1c, and being cigarette smokers increase the likelihood of developing peripheral arterial disease. Clinicians should prevent PAD; screen T2DM patients who are aged, with high HbA1c, and cigarette smokers; and treat them timely.
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Affiliation(s)
- Yonas Akalu
- Department of Physiology, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Ambaye Birhan
- Department of Radiology, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
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40
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Akalu Y, Belsti Y. Hypertension and Its Associated Factors Among Type 2 Diabetes Mellitus Patients at Debre Tabor General Hospital, Northwest Ethiopia. Diabetes Metab Syndr Obes 2020; 13:1621-1631. [PMID: 32494180 PMCID: PMC7231788 DOI: 10.2147/dmso.s254537] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 04/30/2020] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Type 2 diabetes mellitus (T2DM) is associated with a high risk of early mortality and morbidity from hypertension. Even though Ethiopia is Africa's first country among the top five in the prevalence of DM, there is a paucity of data on hypertension and its associated factors among patients with type 2 diabetes mellitus. Therefore, this study aimed to determine the prevalence and associated factors of hypertension among type 2 diabetes mellitus patients at Debre Tabor General Hospital, 2019. METHODS AND MATERIALS An institution-based cross-sectional study was employed on 378 T2DM patients. Data were collected using an interviewer-administered questionnaire and analyzed by Stata 14. A multivariable logistic regression model was used to identify associated factors of hypertension among T2DM patients. Associated factors were declared at p < 0.05. RESULTS The prevalence of hypertension among T2DM patients was 59.5% (95% CI: 54.5-64.5). Stage 1 hypertension was the most common (30.95%). The odds of hypertension was higher among age group of 50-60 years (adjusted odds ratio (AOR)=2.5, 95% confidence interval (CI) (1.27-4.90)), patients from urban area (AOR = 2.8, 95% CI (1.08-7.18)), with longer duration of T2DM (AOR =1.16, 95% CI (1.08-1.25)), with BMI ≥25 kg/m2 (AOR = 3.2, 95% CI (1.71-5.96)), with poor glycemic control (AOR = 3.0, 95% CI (1.75-5.19)), and patients who were current cigarette smokers (AOR = 3.8, 95% CI (1.98-14.96)). CONCLUSION The prevalence of hypertension is high and the majority have poor blood pressure control. Hence, DM care providers and other health sector stakeholders have to work in collaboration to prevent it through designing appropriate strategies especially for those at higher risk of developing hypertension.
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Affiliation(s)
- Yonas Akalu
- Department of Human Physiology, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
- Correspondence: Yonas Akalu Department of Human Physiology, College of Medicine and Health Sciences, University of Gondar, Gondar,P.O. Box 196, Ethiopia Tel +251 918318230 Email
| | - Yitayeh Belsti
- Department of Human Physiology, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
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Wang D, Jackson EA, Karvonen-Gutierrez CA, Elliott MR, Harlow SD, Hood MM, Derby CA, Sternfeld B, Janssen I, Crawford SL, Huang MH, El Khoudary SR, Chae CU, Baylin A. Healthy Lifestyle During the Midlife Is Prospectively Associated With Less Subclinical Carotid Atherosclerosis: The Study of Women's Health Across the Nation. J Am Heart Assoc 2019; 7:e010405. [PMID: 30482079 PMCID: PMC6405552 DOI: 10.1161/jaha.118.010405] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Background Measures of subclinical atherosclerosis are predictors of future cardiovascular outcomes as well as of physical and cognitive functioning. The menopausal transition is associated with accelerated progression of atherosclerosis in women. The prospective association between a healthy lifestyle during the midlife and subclinical atherosclerosis is unclear. Methods and Results Self‐reported data on smoking, diet, and physical activity from 1143 women in the Study of Women's Health Across the Nation were used to construct a 10‐year average Healthy Lifestyle Score (HLS) during the midlife. Markers of subclinical atherosclerosis were measured 14 years after baseline and included common carotid artery intima‐media thickness (CCA‐IMT), adventitial diameter (CCA‐AD), and carotid plaque. The associations of average HLS with CCA‐IMT and CCA‐AD were estimated using linear models; the association of average HLS with carotid plaque was estimated using cumulative logit models. Average HLS was associated with smaller CCA‐IMT and CCA‐AD in the fully adjusted models (P=0.0031 and <0.001, respectively). Compared with participants in the lowest HLS level, those in the highest level had 0.024 mm smaller CCA‐IMT (95% confidence interval: −0.048, 0.000), which equals 17% of the SD of CCA‐IMT, and 0.16 mm smaller CCA‐AD (95% confidence interval: −0.27, −0.04), which equals 24% of the SD of CCA‐AD. Among the 3 components of the HLS, abstinence from smoking had the strongest association with subclinical atherosclerosis. Conclusions Healthy lifestyle during the menopausal transition is associated with less subclinical atherosclerosis, highlighting the growing recognition that the midlife is a critical window for cardiovascular prevention in women.
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Affiliation(s)
- Dongqing Wang
- 1 Department of Epidemiology University of Michigan Ann Arbor MI
| | | | | | - Michael R Elliott
- 3 Department of Biostatistics University of Michigan Ann Arbor MI.,4 Survey Research Center University of Michigan Ann Arbor MI
| | - Siobán D Harlow
- 1 Department of Epidemiology University of Michigan Ann Arbor MI
| | - Michelle M Hood
- 1 Department of Epidemiology University of Michigan Ann Arbor MI
| | - Carol A Derby
- 5 Department of Neurology Albert Einstein College of Medicine Bronx NY.,6 Department of Epidemiology and Population Health Albert Einstein College of Medicine Bronx NY
| | | | - Imke Janssen
- 8 Department of Preventive Medicine Rush University Medical Center Chicago IL
| | | | - Mei-Hua Huang
- 10 Division of Geriatrics University of California Los Angeles Los Angeles CA
| | | | - Claudia U Chae
- 12 Cardiology Division Massachusetts General Hospital Boston MA
| | - Ana Baylin
- 1 Department of Epidemiology University of Michigan Ann Arbor MI.,13 Department of Nutritional Sciences University of Michigan Ann Arbor MI
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Price LR, Martinez J. Biological effects of nicotine exposure: A narrative review of the scientific literature. F1000Res 2019; 8:1586. [PMID: 32595938 PMCID: PMC7308884 DOI: 10.12688/f1000research.20062.1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/20/2019] [Indexed: 09/07/2023] Open
Abstract
The emergence of new tobacco heating products and electronic nicotine delivery systems (ENDS) is changing the way humans are exposed to nicotine. The purpose of this narrative review is to provide a broad overview of published scientific literature with respect to the effects of nicotine on three key health-related areas: 1) cardiovascular risk, 2) carcinogenesis and 3) reproductive outcomes. These areas are known to be particularly vulnerable to the effects of cigarette smoke, and in addition, nicotine has been hypothesized to play a role in disease pathogenesis. Acute toxicity will also be discussed. The literature to February 2019 suggests that there is no increased cardiovascular risk of nicotine exposure in consumers who have no underlying cardiovascular pathology. There is scientific consensus that nicotine is not a direct or complete carcinogen, however, it remains to be established whether it plays some role in human cancer propagation and metastasis. These cancer progression pathways have been proposed in models in vitro and in transgenic rodent lines in vivo but have not been demonstrated in cases of human cancer. Further studies are needed to determine whether nicotine is linked to decreased fertility in humans. The results from animal studies indicate that nicotine has the potential to act across many mechanisms during fetal development. More studies are needed to address questions regarding nicotine exposure in humans, and this may lead to additional guidance concerning new ENDS entering the market.
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Affiliation(s)
- Leonie R. Price
- Scientific and Regulatory Affairs, Japan Tobacco International, Genève, Genève, 1202, Switzerland
| | - Javier Martinez
- Scientific and Regulatory Affairs, Japan Tobacco International, Genève, Genève, 1202, Switzerland
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Price LR, Martinez J. Cardiovascular, carcinogenic and reproductive effects of nicotine exposure: A narrative review of the scientific literature. F1000Res 2019; 8:1586. [PMID: 32595938 PMCID: PMC7308884 DOI: 10.12688/f1000research.20062.2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/20/2019] [Indexed: 12/14/2022] Open
Abstract
The emergence of new tobacco heating products and electronic nicotine delivery systems (ENDS) is changing the way humans are exposed to nicotine. The purpose of this narrative review is to provide a broad overview of published scientific literature with respect to the effects of nicotine on three key health-related areas: 1) cardiovascular risk, 2) carcinogenesis and 3) reproductive outcomes. These areas are known to be particularly vulnerable to the effects of cigarette smoke, and in addition, nicotine has been hypothesized to play a role in disease pathogenesis. Acute toxicity will also be discussed. The literature to February 2019 suggests that there is no increased cardiovascular risk of nicotine exposure in consumers who have no underlying cardiovascular pathology. There is scientific consensus that nicotine is not a direct or complete carcinogen, however, it remains to be established whether it plays some role in human cancer propagation and metastasis. These cancer progression pathways have been proposed in models in vitro and in transgenic rodent lines in vivo but have not been demonstrated in cases of human cancer. Further studies are needed to determine whether nicotine is linked to decreased fertility in humans. The results from animal studies indicate that nicotine has the potential to act across many mechanisms during fetal development. More studies are needed to address questions regarding nicotine exposure in humans, and this may lead to additional guidance concerning new ENDS entering the market.
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Affiliation(s)
- Leonie R. Price
- Scientific and Regulatory Affairs, Japan Tobacco International, Genève, Genève, 1202, Switzerland
| | - Javier Martinez
- Scientific and Regulatory Affairs, Japan Tobacco International, Genève, Genève, 1202, Switzerland
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Ren A, Wu H, Liu L, Guo Z, Cao Q, Dai Q. Nicotine promotes atherosclerosis development in apolipoprotein E-deficient mice through α1-nAChR. J Cell Physiol 2019; 234:14507-14518. [PMID: 30585623 DOI: 10.1002/jcp.27728] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 10/16/2018] [Indexed: 01/24/2023]
Abstract
α1 Nicotinic acetylcholine receptor (α1nAChR) is an important nicotine receptor that is widely distributed in vascular smooth muscle cells, macrophages, and endothelial cells. However, the role of α1nAChR in nicotine-mediated atherosclerosis remains unclear. The administration of nicotine for 12 weeks increased the area of the atherosclerotic lesion, the number of macrophages infiltrating the plaques, and the circulating levels of inflammatory cytokines, such as interleukin-6 and tumor necrosis factor-α, in apolipoprotein E-deficient (ApoE-/- ) mice fed a high-fat diet. Nicotine also increased α1nAChR, calpain-1, matrix metalloproteinase-2 (MMP-2), and MMP-9 expression in the aortic tissue. Silencing of α1nAChR with an adenoassociated virus decreased the atherosclerotic size, lesion macrophage content, and circulating levels of inflammatory cytokines and suppressed α1nAChR, calpain-1, MMP-2, and MMP-9 expression in the nicotine group. In vitro, nicotine-induced α1nAChR, calpain-1, MMP-2, and MMP-9 expression in mouse vascular smooth muscle cells (MOVAS) and macrophages (RAW264.7), and enhanced the migration and proliferation of these cells. The silencing of α1nAChR inhibited these effects of nicotine MOVAS and RAW264.7 cells. Thus, we concluded that nicotine promoted the development of atherosclerosis partially by inducing the migration and proliferation of vascular smooth muscle cells and macrophages and inducing an inflammatory reaction. The effect of nicotine on atherogenesis may be mediated by α1nAChR-induced activation of the calpain-1/MMP-2/MMP-9 signaling pathway.
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Affiliation(s)
- Anmin Ren
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hongxian Wu
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Liping Liu
- Department of Cardiology, Yancheng First People's Hospital, The Fourth Affiliated Hospital of Nantong Medical University, Jiangsu, China
| | - Zhenzhen Guo
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qunan Cao
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiuyan Dai
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Padevit L, Sarnthein J, Stienen MN, Krayenbühl N, Bozinov O, Regli L, Neidert MC. Smoking status and perioperative adverse events in patients undergoing cranial tumor surgery. J Neurooncol 2019; 144:97-105. [DOI: 10.1007/s11060-019-03206-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 05/31/2019] [Accepted: 06/04/2019] [Indexed: 10/26/2022]
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Espinoza-Derout J, Hasan KM, Shao XM, Jordan MC, Sims C, Lee DL, Sinha S, Simmons Z, Mtume N, Liu Y, Roos KP, Sinha-Hikim AP, Friedman TC. Chronic intermittent electronic cigarette exposure induces cardiac dysfunction and atherosclerosis in apolipoprotein-E knockout mice. Am J Physiol Heart Circ Physiol 2019; 317:H445-H459. [PMID: 31172811 DOI: 10.1152/ajpheart.00738.2018] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Electronic cigarettes (e-cigarettes), also known as electronic nicotine delivery systems, are a popular alternative to conventional nicotine cigarettes, both among smokers and those who have never smoked. In spite of the widespread use of e-cigarettes and the proposed detrimental cardiac and atherosclerotic effects of nicotine, the effects of e-cigarettes on these systems are not known. In this study, we investigated the cardiovascular and cardiac effects of e-cigarettes with and without nicotine in apolipoprotein-E knockout (ApoE-/-) mice. We developed an e-cigarette exposure model that delivers nicotine in a manner similar to that of human e-cigarettes users. Using commercially available e-cigarettes, bluCig PLUS, ApoE-/- mice were exposed to saline, e-cigarette without nicotine [e-cigarette (0%)], and e-cigarette with 2.4% nicotine [e-cigarette (2.4%)] aerosol for 12 wk. Echocardiographic data show that mice treated with e-cigarette (2.4%) had decreased left ventricular fractional shortening and ejection fraction compared with e-cigarette (0%) and saline. Ventricular transcriptomic analysis revealed changes in genes associated with metabolism, circadian rhythm, and inflammation in e-cigarette (2.4%)-treated ApoE-/- mice. Transmission electron microscopy revealed that cardiomyocytes of mice treated with e-cigarette (2.4%) exhibited ultrastructural abnormalities indicative of cardiomyopathy. Additionally, we observed increased oxidative stress and mitochondrial DNA mutations in mice treated with e-cigarette (2.4%). ApoE-/- mice on e-cigarette (2.4%) had also increased atherosclerotic lesions compared with saline aerosol-treated mice. These results demonstrate adverse effects of e-cigarettes on cardiac function in mice.NEW & NOTEWORTHY The present study is the first to show that mice exposed to nicotine electronic cigarettes (e-cigarettes) have decreased cardiac fractional shortening and ejection fraction in comparison with controls. RNA-seq analysis reveals a proinflammatory phenotype induced by e-cigarettes with nicotine. We also found increased atherosclerosis in the aortic root of mice treated with e-cigarettes with nicotine. Our results show that e-cigarettes with nicotine lead to detrimental effects on the heart that should serve as a warning to e-cigarette users and agencies that regulate them.
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Affiliation(s)
- Jorge Espinoza-Derout
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, California
| | - Kamrul M Hasan
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, California
| | - Xuesi M Shao
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, California.,David Geffen School of Medicine at University of California, Los Angeles, California
| | - Maria C Jordan
- David Geffen School of Medicine at University of California, Los Angeles, California
| | - Carl Sims
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, California
| | - Desean L Lee
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, California
| | - Satyesh Sinha
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, California.,David Geffen School of Medicine at University of California, Los Angeles, California
| | - Zena Simmons
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, California
| | - Norma Mtume
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, California
| | - Yanjun Liu
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, California.,David Geffen School of Medicine at University of California, Los Angeles, California
| | - Kenneth P Roos
- David Geffen School of Medicine at University of California, Los Angeles, California
| | - Amiya P Sinha-Hikim
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, California.,David Geffen School of Medicine at University of California, Los Angeles, California
| | - Theodore C Friedman
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, California.,David Geffen School of Medicine at University of California, Los Angeles, California
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Khademi F, Totonchi H, Mohammadi N, Zare R, Zal F. Nicotine-Induced Oxidative Stress in Human Primary Endometrial Cells. Int J Toxicol 2019; 38:202-208. [DOI: 10.1177/1091581819848081] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Nicotine is a major component of tobacco plants and is responsible for the development of reproductive problems in smokers. Nicotine has been recognized to result in oxidative stress by inducing the generation of reactive oxygen species (ROS) in some parts of female reproductive system, but the effect of nicotine on endometrium that plays an important role in reproductive biology stays unexplored. The aim of this work was to clarify the direct effects of nicotine administration on the antioxidant defense system and lipid peroxidation in human endometrial cells. Human endometrial stromal primary cells were treated with nicotine (0, 10−11, 10−8, and 10−6 M) for 24 hours. On nicotine administration, the endometrial cells were associated with a decrease in antioxidant defense markers such as Glutathione (GSH) level, glutathione peroxidase (GPx), glutathione reductase (GR), and catalase (CAT) enzymes activity and higher levels of malondialdehyde (MDA) in a dose-dependent manner when compared to the control. We concluded that nicotine as a pro-oxidant affects the oxidative state of the endometrial cells.
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Affiliation(s)
- Fatemeh Khademi
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hamidreza Totonchi
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Neda Mohammadi
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Razieh Zare
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fatemeh Zal
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Infertility Research Center, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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48
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Kim JH, Kim BJ, Kang JG, Kim BS, Kang JH. Association between cigarette smoking and diabetes mellitus using two different smoking stratifications in 145 040 Korean individuals: Self-reported questionnaire and urine cotinine concentrations. J Diabetes 2019; 11:232-241. [PMID: 30091285 DOI: 10.1111/1753-0407.12837] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 07/09/2018] [Accepted: 07/19/2018] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Although previous studies have assessed the relationship between smoking and diabetes using self-reported questionnaires, interpretations may be limited by an underestimation of the actual smoking population. This study evaluated the relationship between smoking and diabetes using both self-reported questionnaires and urine cotinine concentrations. METHODS The present cross-sectional study enrolled 145 040 Koreans in Kangbuk Samsung Health and Cohort Studies between 2011 and 2013. Urinary cotinine was measured after a 10-hour smoking-free period. Cotinine-verified current smoking was defined as a urinary cotinine concentrations ≥50 ng/mL. RESULTS Overall diabetes prevalence in self-reported (4.5% vs 1.6%) and cotinine-verified (4.4% vs 2.1%) current smokers was higher than in self-reported and cotinine-verified never smokers. Multivariate regression analysis showed that cotinine-verified current smoking (odds ratio [OR] 1.25; 95% confidence interval [CI] 1.13-1.38), self-reported former smoking (OR 1.16; 95% CI 1.01-1.33) and current smoking (OR 1.33; 95% CI 1.17-1.50) were associated with increased diabetes compared with cotinine-verified and self-reported never smoking. Unobserved smoking (OR 1.79; 95% CI 1.20, 2.66) also increased the odds for diabetes. There were no significant sex interactions in the analyses. CONCLUSIONS This study shows that self-reported former and current smoking, cotinine-verified current smoking, and unobserved smoking (i.e. self-reported never smoking with urine cotinine >50 ng/mL) are all associated with increased diabetes prevalence. These findings suggest that cotinine could provide additional information when assessing cardiometabolic risks, such as diabetes.
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Affiliation(s)
- Ji Hye Kim
- Division of Cardiology, Department of Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Byung Jin Kim
- Division of Cardiology, Department of Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Jung Gyu Kang
- Center for Cohort Studies, Total Healthcare Center, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Bum Soo Kim
- Division of Cardiology, Department of Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Jin Ho Kang
- Division of Cardiology, Department of Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
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Passive exposure to pollutants from conventional cigarettes and new electronic smoking devices (IQOS, e-cigarette) in passenger cars. Int J Hyg Environ Health 2019; 222:486-493. [PMID: 30685192 DOI: 10.1016/j.ijheh.2019.01.003] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 12/20/2018] [Accepted: 01/11/2019] [Indexed: 12/22/2022]
Abstract
Smoking in car interiors is of particular concern because concentrations of potentially harmful substances can be expected to be high in such small spaces. To assess the potential exposure for occupants, especially children, we performed a comprehensive evaluation of the pollution in 7 passenger cars while tobacco cigarettes and new electronic smoking products (IQOS, e-cigarette) were being smoked. We collected data on the indoor climate and indoor air pollution with fine and ultrafine particles and volatile organic compounds while the cars were being driven. Smoking of an IQOS had almost no effect on the mean number concentration (NC) of fine particles (>300 nm) or on the PM2.5 concentration in the interior. In contrast, the NC of particles with a diameter of 25-300 nm markedly increased in all vehicles (1.6-12.3 × 104/cm3). When an e-cigarette was vaped in the interior, 5 of the 7 tested cars showed a strong increase in the PM2.5 concentration to 75-490 μg/m3. The highest PM2.5 levels (64-1988 μg/m3) were measured while tobacco cigarettes were being smoked. With the e-cigarette, the concentration of propylene glycol increased in 5 car interiors to 50-762 μg/m3, whereby the German indoor health precaution guide value for propylene glycol was exceeded in 3 vehicles and the health hazard guide value in one. In 4 vehicles, the nicotine concentration also increased to 4-10 μg/m3 while the e-cigarette was being used. The nicotine concentrations associated with the IQOS and e-cigarette were comparable, whereas the highest nicotine levels (8-140 μg/m3) were reached with tobacco cigarettes. Cigarette use also led to pollution of the room air with formaldehyde (18.5-56.5 μg/m3), acetaldehyde (26.5-141.5 μg/m3), and acetone (27.8-75.8 μg/m3). Tobacco cigarettes, e-cigarettes, and the IQOS are all avoidable sources of indoor pollutants. To protect the health of other non-smoking passengers, especially that of sensitive individuals such as children and pregnant women, these products should not be used in cars.
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Hedman L, Backman H, Stridsman C, Bosson JA, Lundbäck M, Lindberg A, Rönmark E, Ekerljung L. Association of Electronic Cigarette Use With Smoking Habits, Demographic Factors, and Respiratory Symptoms. JAMA Netw Open 2018; 1:e180789. [PMID: 30646032 PMCID: PMC6324524 DOI: 10.1001/jamanetworkopen.2018.0789] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
IMPORTANCE There is an ongoing debate about whether electronic cigarettes (e-cigarettes) are the solution to the tobacco epidemic or a new public health threat. Large representative studies are needed to study e-cigarette use in the general population, but hardly any have been published. OBJECTIVES To estimate the prevalence of e-cigarette use and to investigate the association of e-cigarette use with smoking habits, demographic factors, and respiratory symptoms. DESIGN, SETTING, AND PARTICIPANTS Cross-sectional, population-based study of random samples of the population, performed within the Obstructive Lung Disease in Northern Sweden (OLIN) study and West Sweden Asthma Study (WSAS). The same validated questionnaire including identical questions was used in OLIN and WSAS. In 2016, OLIN and WSAS conducted postal questionnaire surveys in random samples of adults aged 20 to 75 years. In OLIN, 6519 participated (response rate, 56.4%); in WSAS, 23 753 participated (response rate, 50.1%). MAIN OUTCOMES AND MEASURES Electronic cigarette use, smoking habits, and respiratory symptoms. RESULTS Of 30 272 participants (16 325 women [53.9%]), 3897 (12.9%) were aged 20 to 29 years; 4242 (14.0%), 30 to 39 years; 5082 (16.8%), 40 to 49 years; 6052 (20.0%), 50 to 59 years; 6628 (21.9%), 60 to 69 years; and 4371 (14.4%), 70 to 75 years. The number of current smokers was 3694 (12.3%), and 7305 (24.4%) were former smokers. The number of e-cigarette users was 529 (2.0%), and e-cigarette use was more common among men (275 of 12 347 [2.2%; 95% CI, 2.0%-2.5%]) than women (254 of 14 022 [1.8%; 95% CI, 1.6%-2.0%]). Among current smokers, 350 of 3566 (9.8%; 95% CI, 8.8%-10.8%) used e-cigarettes compared with 79 of 6875 (1.1%; 95% CI, 0.9%-1.3%) in former smokers and 96 of 15 832 (0.6%; 95% CI, 0.5%-0.7%) in nonsmokers (P < .001). Among e-cigarette users who answered the survey question about cigarette-smoking habits (n = 525), 350 (66.7%; 95% CI, 62.7%-70.7%) were current smokers, 79 (15.0%; 95% CI, 11.9%-18.1%) were former smokers, and 96 (18.3%; 95% CI, 15.0%-21.6%) were nonsmokers (P < .001 for trend). In a regression analysis, e-cigarette use was associated with male sex (odds ratio [OR], 1.35; 95% CI, 1.12-1.62); age groups 20 to 29 years (OR, 2.77; 95% CI, 1.90-4.05), 30 to 39 years (OR, 2.27; 95% CI, 1.53-3.36), 40 to 49 years (OR, 1.65; 95% CI, 1.11-2.44), and 50 to 59 years (OR, 1.47; 95% CI, 1.01-2.12); educational level at primary school (OR, 1.99; 95% CI, 1.51-2.64) and upper secondary school (OR, 1.57; 95% CI, 1.25-1.96); former smoking (OR, 2.37; 95% CI, 1.73-3.24); and current smoking (OR, 18.10; 95% CI, 14.19-23.09). All respiratory symptoms were most common among dual users and former smokers and nonsmokers who used e-cigarettes. CONCLUSIONS AND RELEVANCE Use of e-cigarettes was most common among smokers, and dual users had the highest prevalence of respiratory symptoms. On a population level, this study indicates that the present use of e-cigarettes does not adequately serve as a smoking cessation tool.
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Affiliation(s)
- Linnea Hedman
- The Obstructive Lung Disease in Northern Sweden Unit, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine, Umeå University, Umeå, Sweden
- Division of Nursing, Department of Health Sciences, Luleå University of Technology, Luleå, Sweden
| | - Helena Backman
- The Obstructive Lung Disease in Northern Sweden Unit, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine, Umeå University, Umeå, Sweden
| | - Caroline Stridsman
- Division of Nursing, Department of Health Sciences, Luleå University of Technology, Luleå, Sweden
| | - Jenny A. Bosson
- Division of Respiratory Medicine, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Magnus Lundbäck
- Karolinska Institutet, Division of Cardiovascular Medicine, Department of Clinical Sciences, Danderyd University Hospital, Stockholm, Sweden
| | - Anne Lindberg
- The Obstructive Lung Disease in Northern Sweden Unit, Division of Medicine, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Eva Rönmark
- The Obstructive Lung Disease in Northern Sweden Unit, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine, Umeå University, Umeå, Sweden
| | - Linda Ekerljung
- Krefting Research Center, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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