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Georgakopoulou VE, Sklapani P, Trakas N, Reiter RJ, Spandidos DA. Exploring the association between melatonin and nicotine dependence (Review). Int J Mol Med 2024; 54:82. [PMID: 39092582 PMCID: PMC11315657 DOI: 10.3892/ijmm.2024.5406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Accepted: 07/19/2024] [Indexed: 08/04/2024] Open
Abstract
Due to the addictive qualities of tobacco products and the compulsive craving and dependence associated with their use, nicotine dependence continues to be a serious public health concern on a global scale. Despite awareness of the associated health risks, nicotine addiction contributes to numerous acute and chronic medical conditions, including cardiovascular disease, respiratory disorders and cancer. The nocturnal secretion of pineal melatonin, known as the 'hormone of darkness', influences circadian rhythms and is implicated in addiction‑related behaviors. Melatonin receptors are found throughout the brain, influencing dopaminergic neurotransmission and potentially attenuating nicotine‑seeking behavior. Additionally, the antioxidant properties of melatonin may mitigate oxidative stress from chronic nicotine exposure, reducing cellular damage and lowering the risk of nicotine‑related health issues. In addition to its effects on circadian rhythmicity, melatonin acting via specific neural receptors influences sleep and mood, and provides neuroprotection. Disruptions in melatonin signaling may contribute to sleep disturbances and mood disorders, highlighting the potential therapeutic role of melatonin in addiction and psychiatric conditions. Melatonin may influence neurotransmitter systems involved in addiction, such as the dopaminergic, glutamatergic, serotonergic and endogenous opioid systems. Preclinical studies suggest the potential of melatonin in modulating reward processing, attenuating drug‑induced hyperactivity and reducing opioid withdrawal symptoms. Chronotherapeutic approaches targeting circadian rhythms and melatonin signaling show promise in smoking cessation interventions. Melatonin supplementation during periods of heightened nicotine cravings may alleviate withdrawal symptoms and reduce the reinforcing effects of nicotine. Further research is required however, to examine the molecular mechanisms underlying the melatonin‑nicotine association and the optimization of therapeutic interventions. Challenges include variability in individual responses to melatonin, optimal dosing regimens and identifying biomarkers of treatment response. Understanding these complexities could lead to personalized treatment strategies and improve smoking cessation outcomes.
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Affiliation(s)
| | - Pagona Sklapani
- Department of Biochemistry, Sismanogleio Hospital, 15126 Athens, Greece
| | - Nikolaos Trakas
- Department of Biochemistry, Sismanogleio Hospital, 15126 Athens, Greece
| | - Russel J. Reiter
- Department of Cell Systems and Anatomy, UT Health Science Center, San Antonio, TX 78229, USA
| | - Demetrios A. Spandidos
- Laboratory of Clinical Virology, School of Medicine, University of Crete, 71003 Heraklion, Greece
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2
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Tan X, Neslund EM, Fentis K, Ding ZM. Fluorocitrate inhibition of astrocytes reduces nicotine self-administration and alters extracellular levels of glutamate and dopamine within the nucleus accumbens in male wistar rats. Neuropharmacology 2024; 255:110001. [PMID: 38750804 PMCID: PMC11156530 DOI: 10.1016/j.neuropharm.2024.110001] [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: 02/27/2024] [Revised: 05/10/2024] [Accepted: 05/11/2024] [Indexed: 05/25/2024]
Abstract
Emerging evidence suggests an important role of astrocytes in mediating behavioral and molecular effects of commonly misused drugs. Passive exposure to nicotine alters molecular, morphological, and functional properties of astrocytes. However, a potential involvement of astrocytes in nicotine reinforcement remains largely unexplored. The overall hypothesis tested in the current study is that astrocytes play a critical role in nicotine reinforcement. Protein levels of the astrocyte marker glial fibrillary acidic protein (GFAP) were examined in key mesocorticolimbic regions following chronic nicotine intravenous self-administration. Fluorocitrate, a metabolic inhibitor of astrocytes, was tested for its effects on behaviors related to nicotine reinforcement and relapse. Effects of fluorocitrate on extracellular neurotransmitter levels, including glutamate, GABA, and dopamine, were determined with microdialysis. Chronic nicotine intravenous self-administration increased GFAP expression in the nucleus accumbens core (NACcr), but not other key mesocorticolimbic regions, compared to saline intravenous self-administration. Both intra-ventricular and intra-NACcr microinjection of fluorocitrate decreased nicotine self-administration. Intra-NACcr fluorocitrate microinjection also inhibited cue-induced reinstatement of nicotine seeking. Local perfusion of fluorocitrate decreased extracellular glutamate levels, elevated extracellular dopamine levels, but did not alter extracellular GABA levels in the NACcr. Fluorocitrate did not alter basal locomotor activity. These results indicate that nicotine reinforcement upregulates the astrocyte marker GFAP expression in the NACcr, metabolic inhibition of astrocytes attenuates nicotine reinforcement and relapse, and metabolic inhibition of astrocytes disrupts extracellular dopamine and glutamate transmission. Overall, these findings suggest that astrocytes play an important role in nicotine reinforcement and relapse, potentially through regulation of extracellular glutamate and dopamine neurotransmission.
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Affiliation(s)
- Xiaoying Tan
- Department of Anesthesiology & Perioperative Medicine, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
| | - Elizabeth M Neslund
- Department of Anesthesiology & Perioperative Medicine, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
| | - Khawla Fentis
- Department of Anesthesiology & Perioperative Medicine, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
| | - Zheng-Ming Ding
- Department of Anesthesiology & Perioperative Medicine, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA; Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.
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3
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Xu Y, He Z, Rao Z, Li Z, Hu Y, Zhang Z, Zhou J, Zhou T, Wang H. The role of β2-AR/PI3K/AKT pathway in the proliferation, migration and invasion of THLE-2 cells induced by nicotine. Toxicology 2024; 508:153924. [PMID: 39147091 DOI: 10.1016/j.tox.2024.153924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 08/10/2024] [Accepted: 08/12/2024] [Indexed: 08/17/2024]
Abstract
Nicotine, the primary constituent of tobacco, is one of the important factors that induce the occurrence of hepatocellular carcinoma (HCC). The β2-adrenergic receptor (β2-AR) is implicated in the growth and advancement of tumors. However, the role of β2-AR and its mediated cascades in nicotine-induced HCC remains unclear. This present study aims to observe the effects of nicotine on the proliferation, migration, and invasion of immortalized human liver epithelial (THLE-2) cells, as well as to explore the underlying mechanisms of action. The results of cell counting kit-8 (CCK-8) assay showed that 0.3125 μM nicotine had the ability to promote the proliferation of THLE-2 cells with a significant time-dependent manner. Therefore, THLE-2 cells were mainly selected for chronic treatment with 0.3125 μM nicotine in the later stage to cause transformation. After 30 passages of THLE-2 cells with 0.3125 μM nicotine treatment, chronic exposure to nicotine significantly enhanced the proliferation, metastasis, and invasion of cells. Besides, it also upregulated the intracellular levels of β2-AR, phosphoinositide 3-kinase (PI3K), AKT, matrix metalloproteinase-2 (MMP-2) and Cyclin D1, as well as downregulated the expression of p53. More importantly, the β2-AR/PI3K/AKT pathway was found to mediate the expression of MMP-2, Cyclin D1, and p53 in THLE-2 cells, playing a crucial role in their proliferation, migration, and invasion after continuous exposure to nicotine. Simply put, it demonstrated the role of β2-AR/PI3K/AKT pathway in the transformation of THLE-2 cells induced by nicotine. This study could provide valuable insights into the relationship between nicotine and HCC. Additionally, it lays the groundwork for investigating potential anticancer treatments for liver cancer linked to tobacco consumption.
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Affiliation(s)
- Yuqin Xu
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Zihan He
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Zihan Rao
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Zihan Li
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Yuxin Hu
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Zhongwei Zhang
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Jianming Zhou
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Tong Zhou
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Huai Wang
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China.
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Jackson RW, Cao-Nasalga A, Chieng A, Pirkl A, Jagielo AD, Xu C, Goldenhersch E, Rosencovich N, Waitman C, Prochaska JJ. Adding Virtual Reality Mindful Exposure Therapy to a Cancer Center's Tobacco Treatment Offerings: Feasibility and Acceptability Single-Group Pilot Study. JMIR Form Res 2024; 8:e54817. [PMID: 39042439 PMCID: PMC11303906 DOI: 10.2196/54817] [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: 11/22/2023] [Revised: 04/25/2024] [Accepted: 05/29/2024] [Indexed: 07/24/2024] Open
Abstract
BACKGROUND Smoking contributes to 1 in 3 cancer deaths. At the Stanford Cancer Center, tobacco cessation medication management and counseling are provided as a covered benefit. Patients charted as using tobacco are contacted by a tobacco treatment specialist and offered cessation services. As a novel addition, this study examined the acceptability of a virtual reality (VR) mindful exposure therapy app for quitting smoking called MindCotine. OBJECTIVE The objective of this study was to determine the feasibility and acceptability of offering 6 weeks of MindCotine treatment as a part of Stanford's Tobacco Treatment Services for patients seen for cancer care. METHODS As part of a single-group pilot study, the MindCotine VR program was offered to English- or Spanish-speaking patients interested in quitting smoking. Given the visual interface, epilepsy was a medical exclusion. Viewed from a smartphone with an attachable VR headset, MindCotine provides a digital environment with audiovisual content guiding mindfulness exercises (eg, breathing techniques, body awareness, and thought recognition), text-based coaching, and cognitive behavioral therapy-based self-reflections for quitting smoking. Interested patients providing informed consent were mailed a MindCotine headset and asked to use the app for 10+ minutes a day. At the end of 6 weeks, participants completed a feedback survey. RESULTS Of the 357 patients reached by the tobacco treatment specialist, 62 (17.3%) were ineligible, 190 (53.2%) were not interested in tobacco treatment services, and 78 (21.8%) preferred other tobacco treatment services. Among the 105 eligible and interested in assistance with quitting, 27 (25.7%) were interested in MindCotine, of whom 20 completed the informed consent, 9 used the program, and 8 completed their end-of-treatment survey. Participants using MindCotine completed, on average, 13 (SD 20.2) program activities, 19 (SD 26) journal records, and 11 (SD 12.3) coaching engagements. Of the 9 participants who used MindCotine, 4 (44%) reported some dizziness with app use that resolved and 7 (78%) would recommend MindCotine to a friend. In total, 2 participants quit tobacco (22.2% reporting, 10% overall), 2 others reduced their smoking by 50% or more, and 2 quit for 24 hours and then relapsed. CONCLUSIONS In a feasibility and acceptability pilot study of a novel VR tobacco treatment app offered to patients at a cancer center, 4 of 9 (44%) reporting and 4 of 20 (20%) overall substantially reduced or quit using tobacco after 6 weeks and most would recommend the app to others. Further testing on a larger sample is warranted. TRIAL REGISTRATION ClinicalTrials.gov NCT05220254; https://clinicaltrials.gov/study/NCT05220254.
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Affiliation(s)
| | - Ann Cao-Nasalga
- Health Education, Engagement and Promotion, Stanford Health Care, Stanford, CA, United States
| | - Amy Chieng
- Stanford Prevention Research Center, Department of Medicine, Stanford University, Palo Alto, CA, United States
| | - Amy Pirkl
- Health Education, Engagement and Promotion, Stanford Health Care, Stanford, CA, United States
| | - Annemarie D Jagielo
- PGSP-Stanford PsyD Consortium, Palo Alto University, Palo Alto, CA, United States
| | - Cindy Xu
- Health Education, Engagement and Promotion, Stanford Health Care, Stanford, CA, United States
| | - Emilio Goldenhersch
- Laboratorio de Investigación en Neurociencia y Ciencias Sociales, Universidad de Flores, Buenos Aires, Argentina
| | - Nicolas Rosencovich
- Escuela de Ingeniería Biomédica, Universidad Nacional de Córdoba, Córdoba, Argentina
| | | | - Judith J Prochaska
- Stanford Prevention Research Center, Department of Medicine, Stanford University, Palo Alto, CA, United States
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5
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El Hasbani G, E Nassar J, Elsayed Ali AM, Uthman I, Jawad A. The impact of nicotine smoking on spondyloarthritis and rheumatoid arthritis. Reumatismo 2024; 76. [PMID: 38916171 DOI: 10.4081/reumatismo.2024.1572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 03/18/2024] [Indexed: 06/26/2024] Open
Abstract
OBJECTIVE Nicotine has major side effects on human health through numerous mechanisms, one of which is the alteration of the immune system and its genetic components. Such alteration can be a predisposing factor for autoimmune diseases such as spondyloarthritis (SpA) and rheumatoid arthritis (RA). This review aims to shed light on the effects of nicotine smoking on the pathophysiology, clinical presentation, and management of SpA and RA. METHODS This review looked into the studies, excluding case reports and series, which were cited by PubMed/MEDLINE. RESULTS Patients with established autoimmune conditions may have a different underlying pathophysiology and disease course when exposed to nicotine through cigarette smoking. Through the involvement of several cytokines, endothelial dysfunction, and epigenetic mechanisms, the severity of SpA is more prominent in smokers. The global health status, pain, and fatigue are worse in SpA patients. The evidence on the effect of nicotine smoking on the treatment of SpA is still limited. Nicotine can contribute to RA via the disruption of cellular regulatory activity, inflammatory responses, morphological, physiological, biochemical, and enzymatic responses. As such, smokers with RA have higher disease activity and are more likely to be seropositive through the citrullination of peptides. In addition, these patients are at risk of achieving a suboptimal response to tumor necrosis factor inhibitors. CONCLUSIONS Cigarette smoking can substantially affect the pathophysiology and clinical presentation of patients with SpA and RA. The impact of nicotine on the management of these diseases still needs to be further studied.
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Affiliation(s)
- G El Hasbani
- Department of Medicine, Hartford HealthCare St. Vincent's Medical Center, Bridgeport, CT.
| | - J E Nassar
- Faculty of Medicine, American University of Beirut.
| | | | - I Uthman
- Department of Internal Medicine, American University of Beirut Medical Center.
| | - A Jawad
- Department of Rheumatology, Royal London Hospital.
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6
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Zvolensky MJ, Clausen BK, Shepherd JM, Redmond BY. Neighborhood Vigilance in Terms of Abstinence Expectancies for Smoking and Severity of Problems When Quitting. Subst Use Misuse 2024; 59:1495-1502. [PMID: 38831539 PMCID: PMC11225064 DOI: 10.1080/10826084.2024.2360092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Background: Although social determinants of health (SDoH) have increasingly been understood as clinically important factors in the onset, maintenance, and relapse of substance use behavior, little research has evaluated neighborhood vigilance in terms of smoking. Objectives: The present investigation sought to evaluate the role of neighborhood vigilance in terms of smoking abstinence expectancies (i.e., perceived consequences of refraining from smoking, including negative mood, somatic symptoms, harmful consequences, and positive consequences) and severity of problems when trying to quit among adults who smoke. Results: Participants included 93 treatment-seeking people who smoke (45.2 years of age and 29% identified as female). Results: indicated that greater levels of neighborhood vigilance were associated with negative mood and harmful consequences abstinence expectancies. No effect was evident for somatic symptom abstinence expectancies after Bonferroni correction. Conclusions: As expected, neighborhood vigilance was not predictive of positive abstinence expectancies, offering explanatory specificity. Neighborhood vigilance was also associated with more severe problems when trying to quit smoking. The current findings suggest neighborhood vigilance represents an important contextual factor involved in certain negative beliefs about abstinence and challenges in quitting.
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Affiliation(s)
- Michael J. Zvolensky
- Department of Psychology, University of Houston, Houston, TX, USA
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- HEALTH Institute, University of Houston, Houston, TX, USA
| | - Bryce K. Clausen
- Department of Psychology, University of Houston, Houston, TX, USA
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Li Z, Li X, Feng B, Zhao J, Liu K, Xie F, Xie J. Investigation of the in vitro toxic effects induced by real-time aerosol of electronic cigarette solvents using microfluidic chips. Food Chem Toxicol 2024; 188:114668. [PMID: 38641044 DOI: 10.1016/j.fct.2024.114668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 04/14/2024] [Indexed: 04/21/2024]
Abstract
The safety of propylene glycol (PG) and vegetable glycerin (VG) as solvents in electronic cigarette liquid has received increasing attention and discussion. However, the conclusions derived from toxicity assessments conducted through animal experiments and traditional in vitro methodologies have consistently been contentious. This study constructed an original real-time aerosol exposure system, centered around a self-designed microfluidic bionic-lung chip, to assess the biological effects following exposure to aerosols from different solvents (PG, PG/VG mixture alone and PG/VG mixture in combination with nicotine) on BEAS-2B cells. The study aimed to investigate the impact of aerosols from different solvents on gene expression profiles, intracellular biomarkers (i.e., reactive oxygen species content, nitric oxide content, and caspase-3/7 activity), and extracellular biomarkers (i.e., IL-6, IL-8, TNF-α, and malondialdehyde) of BEAS-2B cells on-chip. Transcriptome analyses suggest that ribosomal function could serve as a potential target for the impact of aerosols derived from various solvents on the biological responses of BEAS-2B cells on-chip. And the results showed that aerosols of PG/VG mixtures had significantly less effect on intracellular and extracellular biomarkers in BEAS-2B cells than aerosols of PG, whereas increasing nicotine levels might elevate these effects of aerosol from PG/VG mixture.
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Affiliation(s)
- Zezhi Li
- Beijing Life Science Academy, Beijing 102209, PR China; Key Laboratory of Tobacco Chemistry, Zhengzhou Tobacco Research Institute of CNTC, No. 2 Fengyang Street, Zhengzhou, 450001, PR China; Beijing Technology and Business University, Beijing 100048, PR China
| | - Xiang Li
- Beijing Life Science Academy, Beijing 102209, PR China; Key Laboratory of Tobacco Chemistry, Zhengzhou Tobacco Research Institute of CNTC, No. 2 Fengyang Street, Zhengzhou, 450001, PR China.
| | - Boyang Feng
- Key Laboratory of Tobacco Chemistry, Zhengzhou Tobacco Research Institute of CNTC, No. 2 Fengyang Street, Zhengzhou, 450001, PR China
| | - Junwei Zhao
- Beijing Life Science Academy, Beijing 102209, PR China; Key Laboratory of Tobacco Chemistry, Zhengzhou Tobacco Research Institute of CNTC, No. 2 Fengyang Street, Zhengzhou, 450001, PR China
| | - Kejian Liu
- Key Laboratory of Tobacco Chemistry, Zhengzhou Tobacco Research Institute of CNTC, No. 2 Fengyang Street, Zhengzhou, 450001, PR China
| | - Fuwei Xie
- Key Laboratory of Tobacco Chemistry, Zhengzhou Tobacco Research Institute of CNTC, No. 2 Fengyang Street, Zhengzhou, 450001, PR China
| | - Jianping Xie
- Beijing Life Science Academy, Beijing 102209, PR China; Key Laboratory of Tobacco Chemistry, Zhengzhou Tobacco Research Institute of CNTC, No. 2 Fengyang Street, Zhengzhou, 450001, PR China.
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8
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Fogelman N, Tate M, Wemm S, Sullivan L, Hart R, Vacey E, Fox HC, Sinha R. Substance use patterns, quantities, and associated risk factors in women with polysubstance misuse. Addict Biol 2024; 29:10.1111/adb.13390. [PMID: 38619491 PMCID: PMC11017971 DOI: 10.1111/adb.13390] [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: 09/20/2023] [Revised: 12/08/2023] [Accepted: 02/22/2024] [Indexed: 04/16/2024]
Abstract
Polysubstance use (PSU), the use of two or more substances proximally, is highly prevalent and has amplified the risk for morbidity and mortality. However, PSU patterns and associated risk factors are not well characterized. This may be especially relevant to women who are known to be vulnerable to stress/trauma, craving, pain, and anxious and depressive symptoms as associated risk factors for PSU. A cross-sectional observational study was conducted to characterize substance use patterns in women who regularly used cocaine, opioids, marijuana, alcohol, benzodiazepines and/or nicotine and were being assessed for a placebo-controlled study of guanfacine treatment (n = 94; ages 19-65). Data on stress/traumatic life events, drug cravings for each substance, pain ratings, and anxiety and depressive symptoms were also obtained using standardized well-validated surveys. High use per day of two or more drugs was observed (72.7% ± 33.3%) and opioid amounts were high relative to other drug amounts (p's < 0.001). Notably, higher stress/trauma events and higher cravings are each associated with cumulative PSU days, amounts and probability of an individual PSU day (p's < 0.02). This remained when PSU versus single substance use was compared. Pain, anxiety and depressive symptoms were not associated with PSU metrics. These findings characterize specific patterns of PSU in women and show that average drug craving and stress/trauma events are associated with PSU. Interventions that focus on stress/trauma and craving management could be of benefit in reducing PSU risk in women.
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Affiliation(s)
- Nia Fogelman
- Yale Stress CenterYale University School of MedicineNew HavenConnecticutUSA
| | - Marshall Tate
- Yale Stress CenterYale University School of MedicineNew HavenConnecticutUSA
| | - Stephanie Wemm
- Yale Stress CenterYale University School of MedicineNew HavenConnecticutUSA
| | - Liam Sullivan
- Yale Stress CenterYale University School of MedicineNew HavenConnecticutUSA
| | - Rachel Hart
- Yale Stress CenterYale University School of MedicineNew HavenConnecticutUSA
| | - Erin Vacey
- Department of PsychiatryStony Brook University School of MedicineStony BrookNew YorkUSA
| | - Helen C. Fox
- Department of PsychiatryStony Brook University School of MedicineStony BrookNew YorkUSA
| | - Rajita Sinha
- Yale Stress CenterYale University School of MedicineNew HavenConnecticutUSA
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9
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Hunt A, Merola GP, Carpenter T, Jaeggi AV. Evolutionary perspectives on substance and behavioural addictions: Distinct and shared pathways to understanding, prediction and prevention. Neurosci Biobehav Rev 2024; 159:105603. [PMID: 38402919 DOI: 10.1016/j.neubiorev.2024.105603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 01/31/2024] [Accepted: 02/21/2024] [Indexed: 02/27/2024]
Abstract
Addiction poses significant social, health, and criminal issues. Its moderate heritability and early-life impact, affecting reproductive success, poses an evolutionary paradox: why are humans predisposed to addictive behaviours? This paper reviews biological and psychological mechanisms of substance and behavioural addictions, exploring evolutionary explanations for the origin and function of relevant systems. Ancestrally, addiction-related systems promoted fitness through reward-seeking, and possibly self-medication. Today, psychoactive substances disrupt these systems, leading individuals to neglect essential life goals for immediate satisfaction. Behavioural addictions (e.g. video games, social media) often emulate ancestrally beneficial behaviours, making them appealing yet often irrelevant to contemporary success. Evolutionary insights have implications for how addiction is criminalised and stigmatised, propose novel avenues for interventions, anticipate new sources of addiction from emerging technologies such as AI. The emerging potential of glucagon-like peptide 1 (GLP-1) agonists targeting obesity suggest the satiation system may be a natural counter to overactivation of the reward system.
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Affiliation(s)
- Adam Hunt
- Institute of Evolutionary Medicine, University of Zürich, Zürich, Switzerland.
| | | | - Tom Carpenter
- College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, UK
| | - Adrian V Jaeggi
- Institute of Evolutionary Medicine, University of Zürich, Zürich, Switzerland
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10
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Ioannidis JPA, Prochaska JJ. Smoking Cessation, or How to Avert Half a Billion Premature Deaths - Now. NEJM EVIDENCE 2024; 3:EVIDe2300322. [PMID: 38411449 DOI: 10.1056/evide2300322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
An estimated 1.1 billion people currently smoke cigarettes,1 and 50 to 70% likely will die from tobacco-related causes.2 This translates to 550 to 770 million expected tobacco deaths among those who currently smoke. Many additional deaths will accrue in successive generations if the status quo continues. Of interest is the reversibility of the excess mortality risk of smoking. The meta-analysis by Cho et al.3 of four large national cohorts of nearly 1.5 million adults followed on average 14.8 years yielded 23.0 million person-years of observational data with over 120,000 deaths identified through linked death registries.
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Affiliation(s)
- John P A Ioannidis
- Stanford Prevention Research Center, Department of Medicine, Stanford University, Stanford, CA
- Department of Epidemiology and Population Health, Stanford University, Stanford, CA
- Department of Biomedical Data Science, Stanford University, Stanford, CA
- Department of Statistics, Stanford University, Stanford, CA
- Meta-Research Innovation Center at Stanford, Stanford University, Stanford, CA
| | - Judith J Prochaska
- Stanford Prevention Research Center, Department of Medicine, Stanford University, Stanford, CA
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11
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Song H, Cai Y, Nan L, Liu J, Wang J, Wang X, Liu C, Guo J, Fang L. A Rhamnose-PEG-Modified Dendritic Polymer for Long-Term Efficient Transdermal Drug Delivery. ACS APPLIED MATERIALS & INTERFACES 2024; 16:9799-9815. [PMID: 38380628 DOI: 10.1021/acsami.3c17363] [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: 02/22/2024]
Abstract
This study introduces a dendronized pressure-sensitive adhesive, TMPE@Rha, addressing Food and Drug Administration (FDA) concerns about traditional pressure-sensitive adhesives (PSAs) in transdermal drug delivery systems. The unique formulation, composed of rhamnose, trihydroxypropane, and poly(ethylene glycol), significantly enhances cohesion and tissue adhesion. Leveraging rhamnose improves intermolecular interactions and surface chain mobility, boosting tissue adhesion. Compared to acrylic pressure-sensitive adhesive 87-DT-4098, TMPE@Rha shows substantial advantages, with up to 5 to 6 times higher peel strength on porcine and wood substrates. Importantly, it maintains strong human skin adhesion beyond 7 days without the typical "dark ring" phenomenon. When loaded with diclofenac, the adhesive exhibits 3.12 times greater peeling strength than commercial alternatives, sustaining human adhesion for up to 6 days. Rigorous analyses confirm rhamnose's role in increasing interaction strength. In vitro studies and microscopy demonstrate the polymer's ability to enhance drug loading and distribution on the skin, improving permeability. Biocompatibility tests affirm TMPE@Rha as nonirritating. In summary, TMPE@Rha establishes a new standard for PSAs in transdermal drug delivery systems, offering exceptional adhesion, robustness, and biocompatibility. This pioneering work provides a blueprint for next-generation, highly adhesive, drug-loaded PSAs that meet and exceed FDA criteria.
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Affiliation(s)
- Haoyuan Song
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Yu Cai
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, 977 Gongyuan Road, Yanji 133002, China
| | - Longyi Nan
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, 977 Gongyuan Road, Yanji 133002, China
| | - Jie Liu
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Jiaqi Wang
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Xiaoxu Wang
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Chao Liu
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Jianpeng Guo
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, 977 Gongyuan Road, Yanji 133002, China
| | - Liang Fang
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
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12
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He Z, Xu Y, Rao Z, Zhang Z, Zhou J, Zhou T, Wang H. The role of α7-nAChR-mediated PI3K/AKT pathway in lung cancer induced by nicotine. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169604. [PMID: 38157907 DOI: 10.1016/j.scitotenv.2023.169604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/03/2024]
Abstract
Nicotine enters the environment mainly through human activity, as well as natural sources. This review article examines the increasing evidence implicating nicotine in the initiation and progression of lung cancer. Moreover, it primarily focuses on elucidating the activation mechanism of phosphoinositide 3-kinase (PI3K)/protein kinase B (PKB, also known as AKT) signaling pathway, regulated by α7 subtype nicotinic acetylcholine receptor (α7-nAChR), in relation to the proliferation, invasion, and metastasis of lung cancer cells induced by nicotine, as well as nicotine-mediated anti-apoptotic effects. This process involves PI3K/AKT phosphorylated-B-cell lymphoma-2 (Bcl-2) family proteins, PI3K/AKT/mammalian target of rapamycin (mTOR), PI3K/AKT/nuclear factor-κB (NF-κB), hepatocyte growth factor (HGF)/cellular-mesenchymal epithelial transition factor (c-Met)-induced PI3K/AKT and PI3K/AKT activated-hypoxia-inducible factor-1α (HIF-1α)/vascular endothelial growth factor (VEGF) pathways. In addition, we also deliberated on the related challenges and upcoming prospects within this field. These lay the foundation for further study on nicotine, lung tumorigenesis, and PI3K/AKT related molecular mechanisms. This work has the potential to significantly contribute to the treatment and prognosis of gastric cancer in smokers. Besides, the crucial significance of PI3K/AKT signaling pathway in multiple molecular pathways also suggests that its target antagonists may inhibit the development and progression of lung cancer, providing a possible new perspective for solving the problem of nicotine-promoted lung cancer. The emerging knowledge about the carcinogenic mechanisms of nicotine action should be considered during the environmental assessment of tobacco and other nicotine-containing products.
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Affiliation(s)
- Zihan He
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Yuqin Xu
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Zihan Rao
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Zhongwei Zhang
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Jianming Zhou
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Tong Zhou
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China
| | - Huai Wang
- School of Public Health, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, No. 461 Ba Yi Avenue, Nanchang, Jiangxi 330006, PR China; Chongqing Research Institute of Nanchang University, Tai Bai Road, Tongnan, Chongqing 402679, PR China.
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13
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Vogel EA, Barrington-Trimis JL, Vassey J, Soto D, Unger JB. Young Adults' Exposure to and Engagement With Tobacco-Related Social Media Content and Subsequent Tobacco Use. Nicotine Tob Res 2024; 26:S3-S12. [PMID: 38366337 PMCID: PMC10873498 DOI: 10.1093/ntr/ntad108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 04/18/2023] [Accepted: 06/28/2023] [Indexed: 02/18/2024]
Abstract
INTRODUCTION Nicotine/tobacco social media content may increase young people's risk for use. This study examined prospective associations between exposure to and engagement with nicotine/tobacco-related social media content and nicotine/tobacco use among young adults. AIMS AND METHODS Young adults (N = 2080) originally recruited from Southern California high schools for a prospective cohort study reported frequency of viewing and posting nicotine/tobacco content on four social media platforms (Facebook, Instagram, Twitter, and YouTube). Participants also reported frequency of seeing nicotine/tobacco posts from friends, seeing nicotine/tobacco posts from influencers or celebrities, and liking nicotine/tobacco posts. Within subsamples of nicotine/tobacco never users (n = 794), past users (n = 897) and current users (n = 389), analyses examined associations of baseline (May-October 2020) social media content exposure and engagement with follow-up (January-June 2021) tobacco use initiation (among never users), resumption (among past users), and continuation (among current users), adjusting for sociodemographic and socioenvironmental characteristics. RESULTS Never users who saw nicotine/tobacco posts from friends (Adjusted Odds Ratio [AOR] = 2.91 [95% Confidence Interval [CI]: 1.46, 5.82], p = .002) or from celebrities or influencers (AOR = 2.77 [1.32, 5.84], p = .007) were significantly more likely to initiate nicotine/tobacco use than their peers. Among past users, posting nicotine/tobacco content at baseline was associated with use resumption (AOR = 1.77 [1.12, 2.80], p = .014). Content exposure and engagement were not associated with nicotine/tobacco use continuation among current users (p-values > .05). CONCLUSIONS Seeing nicotine/tobacco posts from friends, influencers, or celebrities was associated with greater odds of tobacco use initiation, but not resumption or continuation, 6 months later. Young adults with past nicotine/tobacco use who post about nicotine/tobacco may be at elevated risk for resuming use. IMPLICATIONS Young adults with exposure to nicotine/tobacco social media content were more likely than their peers to initiate nicotine/tobacco use 6 months later. Past nicotine/tobacco users who reported posting about nicotine/tobacco on social media at baseline were more likely than their peers to resume nicotine/tobacco use. Among young adults with current nicotine/tobacco use at baseline, social media activity did not predict odds of nicotine/tobacco use continuation at follow-up. Nicotine/tobacco content on social media should be restricted to reduce young people's chances of nicotine/tobacco use initiation or resumption.
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Affiliation(s)
- Erin A Vogel
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, San Francisco, Los Angeles, CA, USA
- Institute for Addiction Science, University of Southern California, Los Angeles, CA, USA
| | - Jessica L Barrington-Trimis
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, San Francisco, Los Angeles, CA, USA
- Institute for Addiction Science, University of Southern California, Los Angeles, CA, USA
| | - Julia Vassey
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, San Francisco, Los Angeles, CA, USA
| | - Daniel Soto
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, San Francisco, Los Angeles, CA, USA
- Institute for Addiction Science, University of Southern California, Los Angeles, CA, USA
| | - Jennifer B Unger
- Department of Population and Public Health Sciences, University of Southern California Keck School of Medicine, San Francisco, Los Angeles, CA, USA
- Institute for Addiction Science, University of Southern California, Los Angeles, CA, USA
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14
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Tomsone LE, Neilands R, Kokina K, Bartkevics V, Pugajeva I. Pharmaceutical and Recreational Drug Usage Patterns during and Post COVID-19 Determined by Wastewater-Based Epidemiology. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2024; 21:206. [PMID: 38397695 PMCID: PMC10888181 DOI: 10.3390/ijerph21020206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/29/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024]
Abstract
Wastewater-based epidemiology (WBE) was applied to evaluate the consumption trends of pharmaceuticals (i.e., antibiotics, non-steroidal anti-inflammatory drugs, antiepileptics, antihypertensives, and others), as well as recreational drugs (caffeine, alcohol, and nicotine), in Latvia from December 2020 to July 2023. The time period covers both the COVID-19 pandemic and the post-pandemic periods; therefore, the impact of the implemented restrictions and the consequences of the illness in terms of the usage of pharmaceuticals thereon were investigated. Additionally, the seasonality and impact of the seasonal flu and other acute upper respiratory infections were studied. The results revealed that the pandemic impacted the consumption of alcohol, nicotine, and caffeine, as well as several pharmaceuticals, such as antihypertensives, antidepressants, psychiatric drugs, and the painkiller ibuprofen. The findings suggest that the imposed restrictions during the pandemic may have had a negative effect on the population's health and mental well-being. Distinct seasonal trends were discovered in the consumption patterns of caffeine and alcohol, where lower use was observed during the summer. The seasonal consumption trends of pharmaceuticals were discovered in the case of antibiotics, the antiasthmatic drug salbutamol, and the decongestant xylometazoline, where higher consumption occurred during colder seasons.
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Affiliation(s)
- Laura Elina Tomsone
- Institute of Food Safety, Animal Health and Environment “BIOR”, Lejupes Street 3, LV-1076 Riga, Latvia; (L.E.T.)
| | - Romans Neilands
- Faculty of Natural Sciences and Technology, Riga Technical University, Kipsalas Street 6B, LV-1048 Riga, Latvia
| | - Kristina Kokina
- Faculty of Natural Sciences and Technology, Riga Technical University, Kipsalas Street 6B, LV-1048 Riga, Latvia
| | - Vadims Bartkevics
- Institute of Food Safety, Animal Health and Environment “BIOR”, Lejupes Street 3, LV-1076 Riga, Latvia; (L.E.T.)
| | - Iveta Pugajeva
- Institute of Food Safety, Animal Health and Environment “BIOR”, Lejupes Street 3, LV-1076 Riga, Latvia; (L.E.T.)
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15
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Sweileh WM. Technology-based interventions for tobacco smoking prevention and treatment: a 20-year bibliometric analysis (2003-2022). Subst Abuse Treat Prev Policy 2024; 19:13. [PMID: 38321493 PMCID: PMC10848402 DOI: 10.1186/s13011-024-00595-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 01/20/2024] [Indexed: 02/08/2024] Open
Abstract
BACKGROUND Substance abuse, particularly tobacco smoking, is a significant global public health concern. Efforts have been made to reduce smoking prevalence and promote cessation, but challenges, such as nicotine addiction, marketing tactics by tobacco industry, and cultural acceptability hinder progress. Technology has emerged as a potential tool to address these challenges by providing innovative scalable interventions. The objective of the study was to analyze and map scientific literature on technology-based intervention for tobacco prevention and treatment. METHODS A bibliometric methodology was conducted. Scopus database was used to retrieve relevant research articles published between 2003 and 2022. The analysis included publication trends, key contributors, research hotspots, research themes, the most impactful articles, and emerging research topics. RESULTS A total of 639 articles were found, with a slow and fluctuating growth pattern observed after 2011. The Journal of Medical Internet Research was the most prominent journal in the field. The United States was the leading country in the field, followed up by the United Kingdom, and the Netherlands. Research hotspots included smoking cessation, randomized controlled trials, and technology-based methods such as internet, mHealth, smartphone apps, text messages, and social media. Four primary research themes were identified: development of smartphone applications, efficacy of text messaging interventions, acceptance and effectiveness of smartphone applications, and interventions targeting young adults and students using mobile phone and social media platforms. The top 10 cited articles demonstrated effectiveness of digital interventions in promoting smoking cessation rates and reducing relapse rates. Emerging research topics included the use of virtual reality interventions, interventions for specific populations through personalized tools, and technology-based interventions in non-Western countries. CONCLUSIONS The findings of the current study highlight the potential of technology to address the challenges associated with tobacco smoking. Further future research in this area is warranted to continue advancing the field and developing effective and evidence-based interventions to combat tobacco smoking.
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Affiliation(s)
- Waleed M Sweileh
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine.
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16
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Li J, Tuo D, Cheng T, Deng Z, Gan J. GCF2 mediates nicotine-induced cancer stemness and progression in hepatocellular carcinoma. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 271:115952. [PMID: 38218109 DOI: 10.1016/j.ecoenv.2024.115952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 12/10/2023] [Accepted: 01/05/2024] [Indexed: 01/15/2024]
Abstract
Cigarette smoking is one of the most impactful behavior-related risk factors for multiple cancers including hepatocellular carcinoma (HCC). Nicotine, as the principal component of tobacco, is not only responsible for smoking addiction but also a carcinogen; nevertheless, the underlying mechanisms remain unclear. Here we report that nicotine enhances HCC cancer stemness and malignant progression by upregulating the expression of GC-rich binding factor 2 (GCF2), a gene that was revealed to be upregulated in HCC and whose upregulation predicts poor prognosis, and subsequently activating the Wnt/ꞵ-catenin/SOX2 signaling pathway. We found that nicotine significantly increased GCF2 expression and that silencing of GCF2 reduced nicotine-induced cancer stemness and progression. Mechanistically, nicotine could stabilize the protein level of GCF2, and then GCF2 could robustly activate its downstream Wnt/β-catenin signaling pathway. Taken together, our results thus suggest that GCF2 is a potential target for a therapeutic strategy against nicotine-promoted HCC.
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Affiliation(s)
- Jinping Li
- Department of Histology and Embryology, School of Preclinical Medicine, Guilin Medical University, Guilin, Guangxi, PR China.
| | - Dayun Tuo
- Department of Histology and Embryology, School of Preclinical Medicine, Guilin Medical University, Guilin, Guangxi, PR China; Department of Pathology, Liuzhou People's Hospital, Liuzhou, Guangxi, PR China
| | - Tan Cheng
- Department of Human Anatomy, School of Preclinical Medicine, Guilin Medical University, Guilin, Guangxi, PR China
| | - Zhenyan Deng
- Department of Clinical Laboratory, Guilin Hospital of the Second Xiangya Hospital CSU, Guilin, Guangxi, PR China
| | - Jinfeng Gan
- Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin, Guangxi, PR China; Guangxi Health Commission Key Laboratory of Tumor Immunology and Receptor-Targeted Drug Basic Research, Guilin Medical University, Guilin, Guangxi, PR China.
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17
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Rizkita AD, Dewi SA, Fakih TM, Lee CC. Effectiveness of sesquiterpene derivatives from Cinnamomum genus in nicotine replacement therapy through blocking acetylcholine nicotinate: a computational analysis. J Biomol Struct Dyn 2024:1-14. [PMID: 38268238 DOI: 10.1080/07391102.2024.2305315] [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: 10/25/2023] [Accepted: 01/08/2024] [Indexed: 01/26/2024]
Abstract
Cigarette smoking poses various health risks, such as increasing the susceptibility to respiratory infections, contributing to osteoporosis, causing reproductive issues, delaying postoperative recovery, promoting ulcer formation and heightening the risk of diabetes. While many harmful effects of smoking are attributed to other cigarette components, it is nicotine's pharmacological effects that underlie tobacco addiction. Nicotine replacement therapy (NRT) aims to alleviate the urge to smoke and mitigate physiological and psychomotor withdrawal symptoms by delivering nicotine. This study explores the potential of sesquiterpene derivative compounds derived from the Cinnamomum genus using computational techniques. The research incorporates molecular docking analyses, Lipinski's rule of five filtration for drug-likeness, pharmacokinetic and toxicity predictions to assess safety profiles and molecular dynamics (MD) simulations to gauge interaction stability. The findings reveal that all sesquiterpene derivative compounds from the Cinnamomum genus can potentially inhibit nicotinic acetylcholine receptors (nAChRs), particularly nAChRÿ7. However, only abscisic acid exhibit active inhibition, along with suitable drug properties, pharmacokinetics and toxicity profiles. MD studies confirm the stability of interactions between abscisic acid with nAChRÿ7. Consequently, abscisic acid, as sesquiterpene derivatives from the Cinnamomum genus, holds substantial promise for further investigation as nAChRÿ7 inhibitors.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Aden Dhana Rizkita
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
- Department of Pharmacy, Sekolah Tinggi Ilmu Kesehatan (STIKES) Bogor Husada, Bogor, West Java, Indonesia
| | - Sintia Ayu Dewi
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Taufik Muhammad Fakih
- Department of Pharmacy, Faculty of Mathematics and Natural Sciences, Universitas Islam Bandung, Bandung, West Java, Indonesia
| | - Cheng-Chung Lee
- The Ph.D. Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
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18
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Hrickova M, Amchova P, Ruda-Kucerova J. The effect of CNQX on self-administration: present in nicotine, absent in methamphetamine model. Front Behav Neurosci 2024; 17:1305412. [PMID: 38249125 PMCID: PMC10796660 DOI: 10.3389/fnbeh.2023.1305412] [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: 10/01/2023] [Accepted: 12/14/2023] [Indexed: 01/23/2024] Open
Abstract
Objective Addiction is a chronic disease with limited pharmacological options for intervention. Focusing on reducing glutamate levels in the brain seems to be a promising strategy in addiction treatment research. Our research aimed to evaluate the effects of CNQX, an antagonist that targets AMPA and kainate glutamatergic receptors while also exhibiting affinity for the NMDA receptor, especially by modulating its glycine site. We conducted this assessment on the self-administration of nicotine and methamphetamine via intravenous (IV) administration in rats. Methods An operant IV self-administration model was used in male Wistar rats. When animals maintained a stable intake of nicotine or methamphetamine, we administered a single injection of CNQX (in the dose of 3 or 6 mg/kg IV) to evaluate its effect on drug intake. Subsequently, the rats were forced to abstain by staying in their home cages for 2 weeks. The period of abstinence was followed by a context-induced relapse-like session before which animals were pretreated with the injection of CNQX (3 or 6 mg/kg IV) to evaluate its effect on drug seeking. Results CNQX significantly reduced nicotine intake during the maintenance phase, but no effect was revealed on nicotine seeking after forced abstinence. CNQX did not affect methamphetamine taking or seeking. Conclusion The effect of reducing nicotine taking but not seeking could be explained by different involvement of glutamatergic receptors in various stages of nicotine dependence.
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Affiliation(s)
| | | | - Jana Ruda-Kucerova
- Department of Pharmacology, Faculty of Medicine, Masaryk University, Brno, Czechia
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19
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Tareen K, Winder GS. Tobacco, cannabis, and the liver. Clin Liver Dis (Hoboken) 2024; 23:e0210. [PMID: 38872776 PMCID: PMC11168856 DOI: 10.1097/cld.0000000000000210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Accepted: 04/15/2024] [Indexed: 06/15/2024] Open
Affiliation(s)
- Kinza Tareen
- Department of Psychiatry, University of Michigan, Ann Arbor, Michigan, USA
| | - Gerald Scott Winder
- Department of Psychiatry, University of Michigan, Ann Arbor, Michigan, USA
- Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
- Department of Neurology, University of Michigan, Ann Arbor, Michigan, USA
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20
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Westmaas JL, Kates I, Makaroff L, Henson R. Barriers to helping patients quit smoking: Lack of knowledge about cessation methods, E-cigarettes, and why nurse practitioners and physician assistants can help. PUBLIC HEALTH IN PRACTICE 2023; 6:100409. [PMID: 37554288 PMCID: PMC10405087 DOI: 10.1016/j.puhip.2023.100409] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 06/06/2023] [Accepted: 07/18/2023] [Indexed: 08/10/2023] Open
Abstract
OBJECTIVES Health care settings are ideal for addressing patients' smoking and quitting, but barriers may limit providers' assistance with cessation, including lack of knowledge about newer devices being used by some smokers to quit (e.g., e-cigarettes). Cessation practices among nurse practitioners (NPs) and physician assistants (PAs) are also unknown. STUDY DESIGN Cross-sectional. METHODS Participants (N = 459) were 151 oncologists, 150 primary care physicians (PCPs), 98 nurse practitioners (NPs), and 60 physician assistants (PAs) recruited from a national online panel who completed an online survey. RESULTS Four barriers were common across specialties: "patient doesn't want to quit, and it is their decision," "smoking is not reason for patient's visit; must treat the immediate problem first," "patient wants to quit on their own," and "lack of effective methods available." While a majority of oncologists (58%) were aware of free telephone counseling for cessation, only 29% of NPs were aware. Perceived knowledge of e-cigarettes was low. Greater comfort treating patients' smoking predicted greater frequency of engagement in 4 of 5 general cessation practices (βs = 0.15-0.26, all p ≤ .001). NPs and PAs more frequently asked patients about smoking and e-cigarette use compared to oncologists, but oncologists more frequently referred patients to effective quitting resources (e.g., quitlines). CONCLUSIONS NPs and PAs may be uniquely positioned to provide cessation assistance, but providers need more education on currently available, effective cessation methods, and about e-cigarettes. Addressing patient resistance to offers of cessation services and improving clinical workflows to enhance cessation service provision should be investigated in future research.
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Affiliation(s)
- J. Lee Westmaas
- American Cancer Society, 250 Williams St. NW, Atlanta, GA, 30312, USA
| | | | - Laura Makaroff
- American Cancer Society, 250 Williams St. NW, Atlanta, GA, 30312, USA
| | - Rosie Henson
- Emory University, 201 Dowman Drive, Atlanta, GA, 30322, USA
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Levy DT, Thirlway F, Sweanor D, Liber A, Maria Sanchez-Romero L, Meza R, Douglas CE, Michael Cummings K. Do Tobacco Companies Have an Incentive to Promote "Harm Reduction" Products?: The Role of Competition. Nicotine Tob Res 2023; 25:1810-1821. [PMID: 36692328 PMCID: PMC10664083 DOI: 10.1093/ntr/ntad014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 12/19/2022] [Accepted: 01/23/2023] [Indexed: 05/20/2023]
Abstract
INTRODUCTION Some cigarette companies have started to talk about replacing cigarettes with less harmful alternatives, which might include nicotine vaping products (NVPs), heated tobacco products (HTPs), and oral nicotine delivery products. We consider market competition as a primary driver of whether cigarette companies follow through on their stated intentions. AIMS AND METHODS We focus on the behavior of cigarette companies in the United States. We compare competition in the pre- and post-2012 time periods, analyze the impact of the growth in NVPs on smoking prevalence and cigarette company profits, and examine the potential future role of competition. RESULTS Since 2006, consumers have broadened their use of non-combustible nicotine delivery products (NCNDPs) to include, inter alia, NVPs, HTPs, and oral nicotine pouches. U.S. cigarette companies have acquired major stakes in each of these product categories which corresponds to a period of rapidly declining adult smoking prevalence, especially among younger adults (ages 18-24 years). The shifting dynamics of the nicotine product marketplace are also reflected in cigarette company stock prices. While cigarette companies are likely to promote HTPs and nicotine delivery products over NVPs, their incentives will be directly related to competition from independent firms, which in turn will depend on government regulation. CONCLUSIONS Although cigarette companies will back alternatives to combusted tobacco when threatened by competition, the prospects for their lasting conversion to NCNDPs will depend on the extent of such competition, which will be influenced by government regulation of tobacco products. IMPLICATIONS Regulations that limit competition from independent firms while also protecting cigarette company profits risk slowing or even reversing recent declines in smoking, especially among youth and young adults. Regulations that reduce the appeal and addictiveness of combusted tobacco products, such as higher cigarette taxes or a reduced nicotine standard, will encourage smokers to quit and/or switch to less harmful non-combusted forms of tobacco. The regulation of non-combustible nicotine delivery products and cigarettes should be proportionate to their relative risks, so that smokers have incentives to switch from combustibles to safer alternatives, and cigarette companies have incentives to promote safer products.
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Affiliation(s)
- David T Levy
- Oncology Department, Lombardi Comprehensive Center, Georgetown University, Washington, DC, USA
| | | | - David Sweanor
- Centre for Health Law, Policy and Ethics, University of Ottawa, Ottawa, Ontario, Canada
| | - Alex Liber
- Oncology Department, Lombardi Comprehensive Center, Georgetown University, Washington, DC, USA
| | | | - Rafael Meza
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Clifford E Douglas
- Department of Health Management and Policy, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - K Michael Cummings
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charlestown, SC, USA
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22
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Braida D, Ponzoni L, Dellarole I, Morara S, Sala M. Fluoxetine rescues the depressive-like behaviour induced by reserpine and the altered emotional behaviour induced by nicotine withdrawal in zebrafish: Involvement of tyrosine hydroxylase. J Psychopharmacol 2023; 37:1132-1148. [PMID: 37593958 DOI: 10.1177/02698811231191103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/19/2023]
Abstract
BACKGROUND Nicotine cessation leads to anxiety and depression. AIMS The suitability of the zebrafish model of anhedonia using reserpine and fluoxetine was evaluated. Fluoxetine was also used to reduce nicotine withdrawal-induced anhedonic state. METHODS Zebrafish were exposed to reserpine (40 mg/l) and then to fluoxetine (0.1 mg/l) for 1 week. Anhedonia was evaluated in the Novel Tank Diving and Compartment Preference tests. Another group was exposed to nicotine (1 mg/l/2 weeks) and then exposed to fluoxetine. Anxiety and anhedonia were evaluated 2-60 days after. Tyrosine hydroxylase (TH) immunoreactivity and microglial morphology (labelled by 4C4 monoclonal antibody) in the parvocellular pretectal nucleus (PPN), dorsal part, and of calcitonin gene-related peptide (CGRP) in the hypothalamus were also analysed. RESULTS Less time in the top and increased latency to the top in reserpine compared to a drug-free group was found. Fluoxetine rescued reserpine-induced the reduced time in the top. Seven and 30 days after nicotine withdrawal more time in the bottom and similar time in the Compartment Preference test, rescued by fluoxetine, were shown. In the PPN, 30-day withdrawal induced an increase in TH immunoreactivity, but fluoxetine induced a further significant increase. No changes in PPN microglia morphology and hypothalamic CGRP were detected. CONCLUSIONS Our findings validate the suitability of the zebrafish model of anhedonia using the reserpine-induced depression-like behaviour and the predictivity using fluoxetine. Fluoxetine rescued nicotine withdrawal-induced anhedonic state, opening the possibility to screen new drugs to alleviate anxiety and depression in smokers during abstinence.
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Affiliation(s)
- Daniela Braida
- Department of Medical Biotechnology and Translational Medicine, Università degli Studi di Milano, Milan, Italy
| | - Luisa Ponzoni
- Department of Medical Biotechnology and Translational Medicine, Università degli Studi di Milano, Milan, Italy
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23
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Lu T, Xie F, Huang C, Zhou L, Lai K, Gong Y, Li Z, Li L, Liang J, Cong Q, Li W, Ju R, Zhang SX, Jin C. ERp29 Attenuates Nicotine-Induced Endoplasmic Reticulum Stress and Inhibits Choroidal Neovascularization. Int J Mol Sci 2023; 24:15523. [PMID: 37958506 PMCID: PMC10649101 DOI: 10.3390/ijms242115523] [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: 09/22/2023] [Revised: 10/14/2023] [Accepted: 10/17/2023] [Indexed: 11/15/2023] Open
Abstract
Nicotine-induced endoplasmic reticulum (ER) stress in retinal pigment epithelium (RPE) cells is thought to be one pathological mechanism underlying age-related macular degeneration (AMD). ERp29 attenuates tobacco extract-induced ER stress and mitigates tight junction damage in RPE cells. Herein, we aimed to further investigate the role of ERp29 in nicotine-induced ER stress and choroidal neovascularization (CNV). We found that the expression of ERp29 and GRP78 in ARPE-19 cells was increased in response to nicotine exposure. Overexpression of ERp29 decreased the levels of GRP78 and the C/EBP homologous protein (CHOP). Knockdown of ERp29 increased the levels of GRP78 and CHOP while reducing the viability of ARPE-19 cells under nicotine exposure conditions. In the ARPE-19 cell/macrophage coculture system, overexpression of ERp29 decreased the levels of M2 markers and increased the levels of M1 markers. The viability, migration and tube formation of human umbilical vein endothelial cells (HUVECs) were inhibited by conditioned medium from the ERp29-overexpressing group. Moreover, overexpression of ERp29 inhibits the activity and growth of CNV in mice exposed to nicotine in vivo. Taken together, our results revealed that ERp29 attenuated nicotine-induced ER stress, regulated macrophage polarization and inhibited CNV.
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Affiliation(s)
- Tu Lu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Fangfang Xie
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Chuangxin Huang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Lijun Zhou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Kunbei Lai
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Yajun Gong
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Zijing Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Longhui Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Jiandong Liang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Qifeng Cong
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Weihua Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Rong Ju
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
| | - Sarah X. Zhang
- Department of Ophthalmology and Ross Eye Institute, University at Buffalo, State University of New York, Buffalo, NY 14203, USA
- SUNY Eye Institute, State University of New York, Buffalo, NY 14203, USA
- Department of Biochemistry, University at Buffalo, State University of New York, Buffalo, NY 14203, USA
| | - Chenjin Jin
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
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24
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Frinculescu A, Coombes G, Shine T, Ramsey J, Johnston A, Couchman L. Analysis of illicit drugs in purchased and seized electronic cigarette liquids from the United Kingdom 2014-2021. Drug Test Anal 2023; 15:1058-1066. [PMID: 35466538 DOI: 10.1002/dta.3277] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/12/2022] [Accepted: 04/14/2022] [Indexed: 11/10/2022]
Abstract
Increasing popularity and known shortfalls in the regulation of electronic cigarettes (ECs) emphasises the urgent need for closer content monitoring and for comprehensible information on their possible health effects. This study investigated components of EC liquids in samples submitted from 2014 to 2021 and discussed the trends driven by legislation changes. Samples originating from prisoners, teenagers and 'test purchases' of commercially available ECs were analysed by gas chromatography-mass spectrometry (GC-MS). For those containing delta-9-tetrahydrocannabinol (THC) and/or cannabidiol (CBD), the content of these components was quantified by liquid chromatography with quadrupole time-of-flight mass spectrometry (LC-QTOF-MS) to show variation of these compounds in EC liquids; 112 EC liquids were included in this study. Nicotine was detected in 87 (78%) of the EC liquids analysed. Twenty-two, including samples from before and after introduction of the UK Psychoactive Substances Act (2016), contained one or more synthetic cannabinoid receptor agonist (SCRA). THC was detected in only 11 samples, whereas a single sample was found to contain CBD only. Six samples contained a mixture of THC and CBD. In all cases where information was available, the THC/CBD content was less than that stated on the product label. The data collected showed great variation in EC liquid content. Therefore, it is important that users are educated regarding risks associated with EC use. Additionally, substances now controlled under both the UK Misuse of Drugs Act and Psychoactive Substances Act were present. These substances each carry a potential risk to health, which is possibly exacerbated if multiple compounds are inhaled concomitantly.
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Affiliation(s)
- Anca Frinculescu
- TICTAC Communications, St. George's University of London, London, UK
- Department of Analytical, Environmental and Forensic Sciences, King's College London, London, UK
| | - Gemma Coombes
- Analytical Services International, St. George's University of London, London, UK
| | - Trevor Shine
- TICTAC Communications, St. George's University of London, London, UK
| | - John Ramsey
- TICTAC Communications, St. George's University of London, London, UK
| | - Atholl Johnston
- Department of Analytical, Environmental and Forensic Sciences, King's College London, London, UK
- Analytical Services International, St. George's University of London, London, UK
- William Harvey Research Institute, Queen Mary University of London, London, UK
| | - Lewis Couchman
- Department of Analytical, Environmental and Forensic Sciences, King's College London, London, UK
- Analytical Services International, St. George's University of London, London, UK
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25
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Sala M, Gotti C. Electronic nicotine delivery systems (ENDS): A convenient means of smoking? Pharmacol Res 2023; 195:106885. [PMID: 37634554 DOI: 10.1016/j.phrs.2023.106885] [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: 06/26/2023] [Revised: 08/05/2023] [Accepted: 08/08/2023] [Indexed: 08/29/2023]
Abstract
Electronic nicotine delivery systems (ENDS), which are becoming increasingly popular in many parts of the world, have recently become more sophisticated in terms of their more active content and better controlled vaporisation. This review begins by describing how cigarette smoking led to the development of ENDS as a means of combatting nicotine addiction. ENDS are usually categorised as belonging to one of only three main generations, but a fourth has been added in order to differentiate the latest, most powerful, most advanced and innovative that have improved heating efficiency. Descriptions of the principal substances contained in ENDS are followed by considerations concerning the risk of toxicity due to the presence of albeit low concentrations of such a variety of compounds inhaled over a long time, and the increasingly widespread use of ENDS as a means of smoking illicit drugs. We also review the most widely used pharmacotherapeutic approaches to smoking cessation, and recent epidemiological data showing that ENDS can help some people to stop smoking. However, in order to ensure their appropriate regulation, there is a need for higher-quality evidence concerning the health effects and safety of ENDS, and their effectiveness in discouraging tobacco smoking.
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Affiliation(s)
- Mariaelvina Sala
- Institute of Neuroscience, CNR-Milan Unit, c/o Bldg. U28, University of Milano-Bicocca, Via Follereau 3, 20854 Vedano al Lambro, MB, Italy; NeuroMi Milan Center for Neuroscience University of Milano Bicocca,Italy.
| | - Cecilia Gotti
- Institute of Neuroscience, CNR-Milan Unit, c/o Bldg. U28, University of Milano-Bicocca, Via Follereau 3, 20854 Vedano al Lambro, MB, Italy; NeuroMi Milan Center for Neuroscience University of Milano Bicocca,Italy
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26
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Huerne K, Eisenberg MJ. Vaping-Cessation Interventions in Former Smokers. Can J Cardiol 2023; 39:1263-1267. [PMID: 37119945 DOI: 10.1016/j.cjca.2023.04.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/20/2023] [Accepted: 04/21/2023] [Indexed: 05/01/2023] Open
Abstract
This review provides an overview of potential vaping-cessation interventions in adult former smokers. The interventions reviewed include varenicline, bupropion, nicotine-replacement therapies (NRTs), and behavioural therapy. Evidence for intervention effectiveness is provided when available, such as for varenicline, whereas recommendations for bupropion and NRT are extrapolated from case studies or smoking-cessation guidelines. The limitations of these interventions, a general lack of prospective studies, and a discussion of challenges to vaping safety from a public health perspective are also discussed. Although these interventions show promise, further research is needed to establish precise protocols and dosages in the context of vaping cessation, rather than adapting existing recommendations from smoking cessation.
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Affiliation(s)
- Katherine Huerne
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montréal, Québec, Canada
| | - Mark J Eisenberg
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montréal, Québec, Canada; Departments of Medicine and of Epidemiology, Biostatistics and Occupational Health, McGill University, Montréal, Québec, Canada; Division of Cardiology, Jewish General Hospital, McGill University, Montréal, Québec, Canada.
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27
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Czerniecka-Kubicka A, Skotnicki M, Gonciarz W, Zarzyka I, Jadach B, Lovecká L, Maternia-Dudzik K, Kovářová M, Pyda M, Tutka P, Sedlařík V. The cytisine-enriched poly(3-hydroxybutyrate) fibers for sustained-release dosage form. Int J Biol Macromol 2023; 245:125544. [PMID: 37356682 DOI: 10.1016/j.ijbiomac.2023.125544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 05/21/2023] [Accepted: 06/21/2023] [Indexed: 06/27/2023]
Abstract
The polymeric cytisine-enriched fibers based on poly(3-hydroxybutyrate) were obtained using electrospinning method. The biocompatibility study, advanced thermal analysis and release of cytisine from the poly(3-hydroxybutyrate) fibers were carried out. The nanofibers' morphology was evaluated by scanning electron microscopy. The formation and description of phases during the thermal processes of fibers by the advanced thermal analysis were examined. The new quantitative thermal analysis of polymeric fibers with cytisine phases based on vibrational, solid and liquid heat capacities was presented. The apparent heat capacity of fibers was measured using the standard differential scanning calorimetry. The quantitative analysis allowed for the study of the glass transition and melting/crystallization process. The mobile amorphous fraction, degree of crystallinity and rigid amorphous fraction were determined depending on the thermal history of semicrystalline polymeric fibers. Furthermore, the cytisine dissolution behaviour was studied. It was observed that the kinetic of the release from polymeric nanofiber is delayed than for the marketed product. The immunosafety of the tested polymeric nanofibers with cytisine was confirmed by the Food and Drug Agency Guidance as well as the European Medicines Agency. The polymeric matrix with cytisine seems to be a promising candidate for the prolonged release formulation.
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Affiliation(s)
- Anna Czerniecka-Kubicka
- Department of Experimental and Clinical Pharmacology, Medical College of Rzeszow University, The University of Rzeszow, 35-310 Rzeszow, Poland; Centre of Polymer Systems, Tomas Bata University in Zlin, trida Tomase Bati 5678, 760-01 Zlin, Czech Republic.
| | - Marcin Skotnicki
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, 60-780 Poznan, Poland
| | - Weronika Gonciarz
- Department of Immunology and Infectious Biology, Institute of Microbiology, Biotechnology and Immunology, Faculty of Biology and Environmental Protection, University of Łódź, 90-237 Łódź, Poland
| | - Iwona Zarzyka
- Department of Chemistry, Rzeszow University of Technology, 35-959 Rzeszow, Poland
| | - Barbara Jadach
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, 60-780 Poznan, Poland
| | - Lenka Lovecká
- Centre of Polymer Systems, Tomas Bata University in Zlin, trida Tomase Bati 5678, 760-01 Zlin, Czech Republic
| | - Karolina Maternia-Dudzik
- Department of Microbiology, Medical College of Rzeszow University, The University of Rzeszow, 35-310 Rzeszow, Poland
| | - Miroslava Kovářová
- Centre of Polymer Systems, Tomas Bata University in Zlin, trida Tomase Bati 5678, 760-01 Zlin, Czech Republic
| | - Marek Pyda
- Department of Chemistry, Rzeszow University of Technology, 35-959 Rzeszow, Poland; Department of Biophysics, Poznan University of Medical Sciences, 60-780 Poznan, Poland
| | - Piotr Tutka
- Department of Experimental and Clinical Pharmacology, Medical College of Rzeszow University, The University of Rzeszow, 35-310 Rzeszow, Poland; National Drug and Alcohol Research Centre, University of New South Wales, Sydney, NSW, Australia
| | - Vladimír Sedlařík
- Centre of Polymer Systems, Tomas Bata University in Zlin, trida Tomase Bati 5678, 760-01 Zlin, Czech Republic
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28
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Lima DR, Davanso LC, Carvalho CFC, Guimaraes-Pereira BBS, Loreto AR, Frallonardo FP, Ismael F, de Andrade AG, Castaldelli-Maia JM. Is self-reported 7-day point prevalence abstinence an useful measure for smoking cessation effectiveness among individuals with mental disorders? Int Rev Psychiatry 2023; 35:468-474. [PMID: 38299649 DOI: 10.1080/09540261.2023.2240388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 07/20/2023] [Indexed: 02/02/2024]
Abstract
Smoking rates among individuals with mental disorders are higher compared to general population. We aimed to investigate the effectiveness of a smoking cessation treatment among individuals with and without mental disorders. Self-report 7-day point prevalence was used to assess abstinence status among 'intention to treat' (n = 1,213) and 'completers-only' (n = 578) samples. Participants were distributed in (1) ND-only; (2) ND and other substance use disorder (ND-SUD); (3) ND associated with mental disorder but no other SUD (ND-MD); and (4) co-morbid ND, SUD and MD (ND-SUMD). The treatment program was composed by six weeks of group Cognitive Behavioral Therapy (CBT) and medical consultations. Multivariate logistic regression models were applied. Rates of abstinence between ND-only and both ND-MD and ND-SUMD differed in the 'intention-to-treat' sample, with the former group showing the best rate (62.5%, 48% and 45.4% respectively). ND-SUD had the second-best rate of abstinence (56.1%). Differences between groups were not observed among 'completers-only'. Self-report 7-day point prevalence abstinence is economical and reliable to be used in low to middle-income countries. In this study, it showed that the 6-week smoking cessation treatment had a positive effect among completers, which supports the importance of investing in treatment to decrease smoking prevalence in this population.
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Affiliation(s)
- Danielle Ruiz Lima
- Grupo Interdisciplinar de Estudos de Alcool e outras Drogas (GREA), Instituto de Psiquiatria, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, São Paulo, Brazil
| | | | | | | | | | - Fernanda Piotto Frallonardo
- ABC Center for Mental Health Studies, Universidade de Sao Paulo, São Paulo, Brazil
- Department of Neuroscience, Universidade Municipal de São Caetano do Sul, São Paulo, Brazil
| | - Flavia Ismael
- ABC Center for Mental Health Studies, Universidade de Sao Paulo, São Paulo, Brazil
- Department of Neuroscience, Universidade Municipal de São Caetano do Sul, São Paulo, Brazil
| | - Arthur Guerra de Andrade
- Grupo Interdisciplinar de Estudos de Alcool e outras Drogas (GREA), Instituto de Psiquiatria, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, São Paulo, Brazil
- Department of Neuroscience, Medical School, ABC Foundation, São Paulo, Brazil
- ABC Center for Mental Health Studies, Universidade de Sao Paulo, São Paulo, Brazil
| | - João Mauricio Castaldelli-Maia
- Grupo Interdisciplinar de Estudos de Alcool e outras Drogas (GREA), Instituto de Psiquiatria, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, São Paulo, Brazil
- Department of Neuroscience, Medical School, ABC Foundation, São Paulo, Brazil
- ABC Center for Mental Health Studies, Universidade de Sao Paulo, São Paulo, Brazil
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Suchanecka A, Boroń A, Chmielowiec K, Strońska-Pluta A, Masiak J, Lachowicz M, Chmielowiec J, Grzywacz A. Association of the rs3864283 Polymorphism Located in the HINT1 Gene with Cigarette Use and Personality Traits. Int J Mol Sci 2023; 24:10244. [PMID: 37373392 PMCID: PMC10299401 DOI: 10.3390/ijms241210244] [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: 05/25/2023] [Revised: 06/12/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023] Open
Abstract
Nicotine is the major reinforcing component of tobacco and it is believed that the pharmacological effects of nicotine motivate the initiation and maintenance of a smoking habit. HINT1 appears to play a role in the modulation of the effects of drug abuse. Hence, the aim of this study was the analysis of the association between the rs3864283 polymorphism of the HINT1 gene and cigarette use; the analysis of personality traits assessed by the means of the NEO-FFI Inventory; the analysis of anxiety measured by the STAI questionnaire; and the analysis of the interactions between the rs3864283 and both personality traits and anxiety. The study group consisted of 522 volunteers. Of these, 371 were cigarette users and 151 were never-smokers. The genomic DNA was isolated from venous blood using standard procedures. The results of both inventories, i.e., NEO-FFI and STAI., were reported as the sten scores. Genotyping was conducted with the real-time PCR method. Statistically significant differences were found in the frequency of rs3864283 genotypes and alleles in the tested sample of Cigarette Users when compared to the control group. The Cigarette Users compared to the control group obtained higher scores in the assessment of NEO-FFI extraversion scale, and significantly lower results were obtained for the NEO-FFI openness scale, the agreeableness scale, and the conscientiousness scale. There was a statistically significant effect of rs3864283 genotype interaction and Cigarette Use or not using (control group) on the extraversion scale. There was also a statistically significant effect of Cigarette Users or the control group on the extraversion scale score. The results obtained in the presented study indicated a significant association between the HINT1 rs3864283 variant and smoking status. Moreover, this is the first study incorporating genetic association of above-mentioned polymorphic site with interaction analysis of personality traits and anxiety. Overall, the results of this study suggest that HINT1 is an important genetic component associated with nicotine usage mechanisms.
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Affiliation(s)
- Aleksandra Suchanecka
- Independent Laboratory of Health Promotion, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
| | - Agnieszka Boroń
- Department of Clinical and Molecular Biochemistry, Pomeranian Medical University in Szczecin, Aleja Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland;
| | - Krzysztof Chmielowiec
- Department of Hygiene and Epidemiology, Collegium Medicum, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland; (K.C.); (J.C.)
| | - Aleksandra Strońska-Pluta
- Independent Laboratory of Health Promotion, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
| | - Jolanta Masiak
- Second Department of Psychiatry and Psychiatric Rehabilitation, Medical University of Lublin, 1 Głuska St., 20-059 Lublin, Poland;
| | - Milena Lachowicz
- Department of Psychology, Gdansk University of Physical Education and Sport, 80-336 Gdansk, Poland;
| | - Jolanta Chmielowiec
- Department of Hygiene and Epidemiology, Collegium Medicum, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland; (K.C.); (J.C.)
| | - Anna Grzywacz
- Independent Laboratory of Health Promotion, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
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30
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Rahmadi M, Nurhan AD, Rahmawati RIA, Damayanti TF, Purwanto DA, Khotib J. Epigallocatechin Gallate Ameliorates Nicotine Withdrawal Conditions-Induced Somatic and Affective Behavior Changes in Mice and Its Molecular Mechanism. Behav Neurol 2023; 2023:5581893. [PMID: 37346971 PMCID: PMC10281828 DOI: 10.1155/2023/5581893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 04/10/2023] [Accepted: 05/20/2023] [Indexed: 06/23/2023] Open
Abstract
In nicotine withdrawal (NW) conditions, molecular changes, such as increasing corticotropin-releasing factor (CRF) in the amygdala, and melanocortin signaling in the hypothalamus, can occur in the brain, leading to increased feeding behavior and body weight as somatic changes as well as high anxiety-like behavior as an affective changes. Therefore, this research aimed to investigate the effect of epigallocatechin gallate (EGCG), the largest component in green tea, on CRF, pro-opiomelanocortin (POMC), and melanocortin four receptor gene expression in the brain under NW conditions. The 24 Balb/c male mice used were randomly divided into four groups. The doses used included normal saline 1.0 mL/kg as a control group, and nicotine 3.35 mg/kg that was administered subcutaneously three times a day. After NW conditions, EGCG 50 mg/kg was administered intraperitoneally two times a day. Behavior evaluation was performed to measure somatic and affective changes, and the animal was sacrificed for molecular analysis. The results showed that NW conditions significantly increased food intake, body weight, and anxiety-like behavior compared with the normal group. Meanwhile, EGCG significantly decreased food intake, body weight, and anxiety-like behavior compared with NW conditions in mice without EGCG. The polymerase chain reaction results also showed that EGCG decreased the CRF mRNA expression in the amygdala and increased the POMC. This indicated that EGCG improved somatic and affective behavior in NW conditions by decreasing CRF mRNA expression in the amygdala and increasing POMC mRNA expression in the hypothalamus.
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Affiliation(s)
- Mahardian Rahmadi
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, Surabaya 60115, Indonesia
- Biomedical Pharmacy Research Group, Faculty of Pharmacy, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Ahmad D. Nurhan
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, Surabaya 60115, Indonesia
- Biomedical Pharmacy Research Group, Faculty of Pharmacy, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Retno I. A. Rahmawati
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Theresia F. Damayanti
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Djoko A. Purwanto
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Universitas Airlangga, Surabaya 60115, Indonesia
- Pharmaceutical Analysis Research Group, Faculty of Pharmacy, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Junaidi Khotib
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, Surabaya 60115, Indonesia
- Biomaterial Translational Research Group, Faculty of Pharmacy, Universitas Airlangga, Surabaya 60115, Indonesia
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Tan X, Neslund EM, Ding ZM. The involvement of dopamine and D2 receptor-mediated transmission in effects of cotinine in male rats. Neuropharmacology 2023; 230:109495. [PMID: 36914092 PMCID: PMC10071274 DOI: 10.1016/j.neuropharm.2023.109495] [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: 12/31/2022] [Revised: 02/23/2023] [Accepted: 03/07/2023] [Indexed: 03/13/2023]
Abstract
Previous studies indicated that cotinine, the major metabolite of nicotine, supported intravenous self-administration and exhibited relapse-like drug-seeking behaviors in rats. Subsequent studies started to reveal an important role of the mesolimbic dopamine system in cotinine's effects. Passive administration of cotinine elevated extracellular dopamine levels in the nucleus accumbens (NAC) and the D1 receptor antagonist SCH23390 attenuated cotinine self-administration. The objective of the current study was to further investigate the role of mesolimbic dopamine system in mediating cotinine's effects in male rats. Conventional microdialysis was conducted to examine NAC dopamine changes during active self-administration. Quantitative microdialysis and Western blot were used to determine cotinine-induced neuroadaptations within the NAC. Behavioral pharmacology was performed to investigate potential involvement of D2-like receptors in cotinine self-administration and relapse-like behaviors. NAC extracellular dopamine levels increased during active self-administration of cotinine and nicotine with less robust increase during cotinine self-administration. Repeated subcutaneous injections of cotinine reduced basal extracellular dopamine concentrations without altering dopamine reuptake in the NAC. Chronic self-administration of cotinine led to reduced protein expression of D2 receptors within the core but not shell subregion of the NAC, but did not change either D1 receptors or tyrosine hydroxylase in either subregion. On the other hand, chronic nicotine self-administration had no significant effect on any of these proteins. Systemic administration of eticlopride, a D2-like receptor antagonist attenuated both cotinine self-administration and cue-induced reinstatement of cotinine seeking. These results further support the hypothesis that the mesolimbic dopamine transmission plays a critical role in mediating reinforcing effects of cotinine.
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Affiliation(s)
- Xiaoying Tan
- Department of Anesthesiology & Perioperative Medicine, Pennsylvania State University College of Medicine, 500 University Drive, Hershey, PA, 17033, USA
| | - Elizabeth M Neslund
- Department of Anesthesiology & Perioperative Medicine, Pennsylvania State University College of Medicine, 500 University Drive, Hershey, PA, 17033, USA
| | - Zheng-Ming Ding
- Department of Anesthesiology & Perioperative Medicine, Pennsylvania State University College of Medicine, 500 University Drive, Hershey, PA, 17033, USA; Department of Pharmacology, Pennsylvania State University College of Medicine, 500 University Drive, Hershey, PA, 17033, USA.
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Ruslan NH, Yasin SM, Mohd Nasir N, Isa MR. The Impacts of Supervised Exercise Intervention on Tobacco Withdrawal Symptoms. Tob Use Insights 2023; 16:1179173X231179811. [PMID: 37255578 PMCID: PMC10226328 DOI: 10.1177/1179173x231179811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 05/17/2023] [Indexed: 06/01/2023] Open
Abstract
This study examined a supervised moderate-intensity aerobic exercise programme's effectiveness in regulating the Tobacco Withdrawal Symptoms (TWS) during temporary abstinence. This was a single group, pre and post-quasi intervention study. Thirty daily smokers participated in an 8-week supervised moderate-intensity aerobic exercise programme. We assessed the TWS, smoking urge, mood and stress-pleasure related hormonal variables after the aerobic exercise intervention. The measurements were conducted after overnight abstinence at baseline, post-intervention (at week-8) and post-detraining (at week-10). TWS components, smoking urge and mood were found to improve. For hormonal variables, cortisol and beta-endorphin except adrenaline showed insignificant changes at post-intervention and de-training. The findings suggest moderate-intensity exercise might help in reducing withdrawal symptoms and its adverse effects. Thus, exercise is an effective adjunct treatment in a smoking cessation programme.
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Affiliation(s)
- Nur-Hasanah Ruslan
- Faculty of Sports Science and
Recreation, Universiti Teknologi
MARA, Shah Alam, Malaysia
| | - Siti Munira Yasin
- Department of Public Health
Medicine, Faculty of Medicine, Universiti Teknologi
MARA, Sungai Buloh, Malaysia
| | - Nadzimah Mohd Nasir
- Department of Pathology, Faculty of
Medicine, Universiti Teknologi
MARA, Sungai Buloh, Malaysia
| | - Mohamad Rodi Isa
- Department of Public Health
Medicine, Faculty of Medicine, Universiti Teknologi
MARA, Sungai Buloh, Malaysia
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Li H, Su W, Cai J, Zhao L, Li Y. Effects of exercise of different intensities on withdrawal symptoms among people with substance use disorder: a systematic review and meta-analysis. Front Physiol 2023; 14:1126777. [PMID: 37234417 PMCID: PMC10208401 DOI: 10.3389/fphys.2023.1126777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 04/17/2023] [Indexed: 05/28/2023] Open
Abstract
Background: Exercise can effectively attenuate withdrawal symptoms and reduce relapse, but it is unknown whether exercise of different intensities produces different results. This study aimed to systematically review the effects of different exercise intensities on withdrawal symptoms among people with substance use disorder (SUD). Methods: Systematic searches for randomized controlled trials (RCTs) on exercise, SUD, and abstinence symptoms were conducted via electronic databases, including PubMed, up to June 2022. Study quality was evaluated using the Cochrane Risk of Bias tool (RoB 2.0) for assessment of risk of bias in randomized trials. The meta-analysis was performed by calculating the standard mean difference (SMD) in outcomes of interventions involving light-, moderate-, and high-intensity exercise for each individual study using Review Manager version 5.3 (RevMan 5.3). Results: In total, 22 RCTs (n = 1,537) were included. Overall, exercise interventions had significant effects on withdrawal symptoms, but the effect size varied with exercise intensity and by outcome measure (i.e., for different negative emotions). Light-, moderate-, and high-intensity exercise reduced cravings after the intervention [SMD = -0.71, 95% CI = (-0.90, -0.52)], and there were no statistical differences between the subgroups (p > 0.05). Light-, moderate-, and high-intensity exercise reduced depression after the intervention [light, SMD = -0.33, 95% CI = (-0.57, -0.09); moderate, SMD = -0.64, 95% CI = (-0.85, -0.42); high, SMD = -0.25, 95% CI = (-0.44, -0.05)], with moderate-intensity exercise producing the best effect (p < 0.05). Only light- and moderate-intensity exercise relieved anxiety after the intervention [light, SMD = -0.48, 95% CI = (-0.71, -0.26); moderate, SMD = -0.58, 95% CI = (-0.85, -0.31)]. Only high-intensity exercise worked in alleviating stress [SMD = -1.13, 95% CI = (-2.22, -0.04)]. Both irritability and restlessness could be improved by light- and moderate-intensity exercise [irritability, SMD = -0.74, 95% CI = (-0.98, -0.50); restless, SMD = -0.72, 95% CI = (-0.98, -0.47)], and there were no statistical differences between the subgroups (p > 0.05). Moderate- and high-intensity exercise decreased withdrawal syndrome after the intervention [moderate, SMD = -0.30, 95% CI = (-0.55, -0.05); high, SMD = -1.33, 95% CI = (-1.90, -0.76)], with high-intensity exercise producing the best effects (p < 0.01). Conclusion: Overall, exercise leads to improvements in withdrawal symptoms in individuals with SUD, but these effects vary significantly between the exercise of different intensities and according to the type of withdrawal symptoms. Moderate-intensity exercise has the greatest benefits in improving depression and anxiety; high-intensity exercise has the greatest benefits in improving withdrawal syndrome. Systematic Review Registration: www.crd.york.ac.uk/PROSPERO/, identifier, CRD42022343791.
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Affiliation(s)
- Hao Li
- Department of Exercise Physiology, Beijing Sport University, Beijing, China
| | - Wantang Su
- Department of Exercise Physiology, Beijing Sport University, Beijing, China
| | - Jiajia Cai
- Department of Exercise Physiology, Beijing Sport University, Beijing, China
| | - Li Zhao
- Department of Exercise Physiology, Beijing Sport University, Beijing, China
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing, China
| | - Yan Li
- Department of Exercise Physiology, Beijing Sport University, Beijing, China
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing, China
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Lakosa A, Rahimian A, Tomasi F, Marti F, Reynolds LM, Tochon L, David V, Danckaert A, Canonne C, Tahraoui S, de Chaumont F, Forget B, Maskos U, Besson M. Impact of the gut microbiome on nicotine's motivational effects and glial cells in the ventral tegmental area in male mice. Neuropsychopharmacology 2023; 48:963-974. [PMID: 36932179 PMCID: PMC10156728 DOI: 10.1038/s41386-023-01563-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 02/22/2023] [Accepted: 02/25/2023] [Indexed: 03/19/2023]
Abstract
A link between gut dysbiosis and the pathogenesis of brain disorders has been identified. A role for gut bacteria in drug reward and addiction has been suggested but very few studies have investigated their impact on brain and behavioral responses to addictive drugs so far. In particular, their influence on nicotine's addiction-like processes remains unknown. In addition, evidence shows that glial cells shape the neuronal activity of the mesolimbic system but their regulation, within this system, by the gut microbiome is not established. We demonstrate that a lack of gut microbiota in male mice potentiates the nicotine-induced activation of sub-regions of the mesolimbic system. We further show that gut microbiota depletion enhances the response to nicotine of dopaminergic neurons of the posterior ventral tegmental area (pVTA), and alters nicotine's rewarding and aversive effects in an intra-VTA self-administration procedure. These effects were not associated with gross behavioral alterations and the nicotine withdrawal syndrome was not impacted. We further show that depletion of the gut microbiome modulates the glial cells of the mesolimbic system. Notably, it increases the number of astrocytes selectively in the pVTA, and the expression of postsynaptic density protein 95 in both VTA sub-regions, without altering the density of the astrocytic glutamatergic transporter GLT1. Finally, we identify several sub-populations of microglia in the VTA that differ between its anterior and posterior sub-parts, and show that they are re-organized in conditions of gut microbiota depletion. The present study paves the way for refining our understanding of the pathophysiology of nicotine addiction.
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Affiliation(s)
- Alina Lakosa
- Institut Pasteur, Université Paris Cité, Neurobiologie Intégrative des Systèmes Cholinergiques, CNRS UMR 3571, Paris, France
| | - Anaïs Rahimian
- Institut Pasteur, Université Paris Cité, Neurobiologie Intégrative des Systèmes Cholinergiques, CNRS UMR 3571, Paris, France
| | - Flavio Tomasi
- Institut Pasteur, Université Paris Cité, Neurobiologie Intégrative des Systèmes Cholinergiques, CNRS UMR 3571, Paris, France
- Neuroscience Paris Seine, Sorbonne Université, INSERM, CNRS, 75005 Paris, France
| | - Fabio Marti
- Plasticité du Cerveau, CNRS UMR 8249, ESPCI Paris, Université PSL, Paris, France
- Neuroscience Paris Seine, Sorbonne Université, INSERM, CNRS, 75005, Paris, France
| | - Lauren M Reynolds
- Plasticité du Cerveau, CNRS UMR 8249, ESPCI Paris, Université PSL, Paris, France
| | - Léa Tochon
- Université de Bordeaux, Bordeaux, France
- CNRS UMR 5287, Institut de Neurosciences Cognitives et Intégratives d'Aquitaine, Bordeaux, France
| | - Vincent David
- Université de Bordeaux, Bordeaux, France
- CNRS UMR 5287, Institut de Neurosciences Cognitives et Intégratives d'Aquitaine, Bordeaux, France
| | - Anne Danckaert
- UTechS Photonics Bioimaging/C2RT, Institut Pasteur, Université Paris Cité, 25 rue du Dr Roux, 75724, Paris Cedex 15, France
| | - Candice Canonne
- Institut Pasteur, Université Paris Cité, Neurobiologie Intégrative des Systèmes Cholinergiques, CNRS UMR 3571, Paris, France
| | - Sylvana Tahraoui
- Institut Pasteur, Université Paris Cité, Neurobiologie Intégrative des Systèmes Cholinergiques, CNRS UMR 3571, Paris, France
| | - Fabrice de Chaumont
- Génétique humaine et fonctions cognitives, CNRS UMR 3571, Institut Pasteur, Université Paris Cité, 25 rue du Dr Roux, 75724, Paris Cedex 15, France
| | - Benoît Forget
- Institut Pasteur, Université Paris Cité, Neurobiologie Intégrative des Systèmes Cholinergiques, CNRS UMR 3571, Paris, France
- Génétique humaine et fonctions cognitives, CNRS UMR 3571, Institut Pasteur, Université Paris Cité, 25 rue du Dr Roux, 75724, Paris Cedex 15, France
| | - Uwe Maskos
- Institut Pasteur, Université Paris Cité, Neurobiologie Intégrative des Systèmes Cholinergiques, CNRS UMR 3571, Paris, France
| | - Morgane Besson
- Institut Pasteur, Université Paris Cité, Neurobiologie Intégrative des Systèmes Cholinergiques, CNRS UMR 3571, Paris, France.
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Evemy CG, Kurti AN, Skelly JM, Medina NA, Higgins ST. Examining the latent factor structure of a hypothetical cigarette purchase task among pregnant women. Exp Clin Psychopharmacol 2023; 31:23-28. [PMID: 35587423 PMCID: PMC10900909 DOI: 10.1037/pha0000571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The cigarette purchase task (CPT) is a valid behavioral-economic measure of demand that has smokers estimate hypothetical cigarette consumption under a range of escalating prices. The task involves no experimenter exposure of participants to smoking. CPT demand is measured in terms of five indices: intensity (cigarettes consumed at $0), Omax (largest expenditure), Pmax (price associated with peak expenditure), breakpoint (the first price at which consumption is 0), and elasticity (rate at which consumption changes as a function of increasing price). Out of concern for collinearity, prior studies investigated a more parsimonious CPT latent-factor structure for these derived indices consisting of two factors. The present study examined whether the same two latent-factor solutions extend to pregnant women who smoke. Six hundred sixty-five women completed the CPT as part of recruitment for a clinical trial examining the efficacy of a remote contingency-management intervention to promote smoking cessation during pregnancy. Factor analysis confirmed a two-factor solution to the CPT accounting for 87% of the variance in the five indices with demand intensity and Omax loading onto amplitude and Omax, Pmax, breakpoint, and elasticity loading onto persistence. Backward elimination regression revealed a significant negative relationship between amplitude and persistence (i.e., lower amplitude and persistence scores predicted a higher likelihood of making at least one quit attempt upon learning of pregnancy). These results further support the utility of the CPT for experimentally examining individual differences in smoking among pregnant women in an efficient and ethical manner that does not involve exposing them to cigarette smoke. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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Hammad AM, Alzaghari LF, Alfaraj M, Al-Qerem W, Talib WH, Alasmari F, Amawi H, Hall FS. Acetylsalicylic acid reduces cigarette smoke withdrawal-induced anxiety in rats via modulating the expression of NFĸB, GLT-1, and xCT. Front Pharmacol 2023; 13:1047236. [PMID: 36699078 PMCID: PMC9868824 DOI: 10.3389/fphar.2022.1047236] [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: 09/17/2022] [Accepted: 12/16/2022] [Indexed: 01/11/2023] Open
Abstract
Background: Chronic exposure to cigarette smoke produces neuroinflammation and long-term changes in neurotransmitter systems, especially glutamatergic systems. Objective: We examined the effects of cigarette smoke on astroglial glutamate transporters as well as NF-κB expression in mesocorticolimbic brain regions, prefrontal cortex (PFC) and nucleus accumbens (NAc). The behavioral consequences of cigarette smoke exposure were assessed using open field (OF) and light/dark (LD) tests to assess withdrawal-induced anxiety-like behavior. Methods: Sprague-Dawley rats were randomly assigned to five experimental groups: a control group exposed only to standard room air, a cigarette smoke exposed group treated with saline vehicle, two cigarette smoke exposed groups treated with acetylsalicylic acid (ASA) (15 mg/kg and 30 mg/kg, respectively), and a group treated only with ASA (30 mg/kg). Cigarette smoke exposure was performed for 2 h/day, 5 days/week, for 31 days. Behavioral tests were conducted weekly, 24 h after cigarette smoke exposure, during acute withdrawal. At the end of week 4, rats were given either saline or ASA 45 min before cigarette exposure for 11 days. Results: Cigarette smoke increased withdrawal-induced anxiety, and 30 mg/kg ASA attenuated this effect. Cigarette smoke exposure increased the relative mRNA and protein expression of nuclear factor ĸB (NFĸB) in PFC and NAc, and ASA treatment reversed this effect. Also, cigarette smoke decreased the relative mRNA and protein expression of glutamate transporter1 (GLT-1) and the cystine-glutamate transporter (xCT) in the PFC and the NAc, while ASA treatment normalized their expression. Conclusion: Cigarette smoke caused neuroinflammation, alterations in glutamate transporter expression, and increased anxiety-like behavior, and these effects were attenuated by acetylsalicylic acid treatment.
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Affiliation(s)
- Alaa M. Hammad
- Department of Pharmacy, College of Pharmacy, Al-Zaytoonah University of Jordan, Amman, Jordan,*Correspondence: Alaa M. Hammad,
| | - Lujain F. Alzaghari
- Department of Pharmacy, College of Pharmacy, Al-Zaytoonah University of Jordan, Amman, Jordan
| | - Malek Alfaraj
- Department of Pharmacy, College of Pharmacy, Al-Zaytoonah University of Jordan, Amman, Jordan
| | - Walid Al-Qerem
- Department of Pharmacy, College of Pharmacy, Al-Zaytoonah University of Jordan, Amman, Jordan
| | - Wamidh H. Talib
- Department of Clinical Pharmacy and Therapeutic, Applied Science Private University, Amman, Jordan
| | - Fawaz Alasmari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Haneen Amawi
- Department of Pharmacy Practice, Faculty of Pharmacy, Yarmouk University, Irbid, Jordan
| | - F. Scott Hall
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, Toledo, OH, United States
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Mavragani A, Görig T, Vollstädt-Klein S, Grundinger N, Mons U, Lohner V, Schneider S, Andreas M. Addictive Potential of e-Cigarettes as Reported in e-Cigarette Online Forums: Netnographic Analysis of Subjective Experiences. J Med Internet Res 2023; 25:e41669. [PMID: 36607713 PMCID: PMC9862333 DOI: 10.2196/41669] [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: 08/05/2022] [Revised: 11/03/2022] [Accepted: 11/08/2022] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND While e-cigarettes usually contain nicotine, their addictive potential is not yet fully understood. We hypothesized that if e-cigarettes are addictive, users will experience typical symptoms of addiction. OBJECTIVE The aim of our study was to investigate whether and how e-cigarette users report signs of addiction. METHODS We identified 3 large German-language e-cigarette online forums via a systematic Google search. Based on a netnographic approach, we used deductive content analysis to investigate relevant posts in these forums. Netnography has the advantage of limiting the social desirability bias that prevails in face-to-face research, such as focus groups. The data were coded according to the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5) criteria for tobacco use disorder, adapted for e-cigarettes. The DSM-5 criteria were used to portray a broad spectrum of possible experiences of addiction. RESULTS Overall, 5337 threads in 3 forums were screened, and 451 threads containing relevant information were included in the analysis. Users reported experiences consistent with the DSM-5 criteria, such as craving e-cigarettes, excessive time spent vaping, and health issues related to e-cigarette use. However, our analysis also showed that users reported the absence of typical tobacco use disorder criteria, such as successful attempts to reduce the nicotine dosage. For most themes, reports of their absence were more frequent than of their presence. The absence of perceived addiction was mostly reported in contrast to prior tobacco smoking. CONCLUSIONS This is the first study to use a netnographic approach to explore unfiltered self-reports of experiences of e-cigarette addiction by users in online forums. As hypothesized, some but not all users reported subjective experiences that corresponded to the criteria of tobacco use disorder as defined by the DSM-5. Nevertheless, subjective reports also indicated that many e-cigarette users felt in control of their behavior, especially in contrast to their prior use of tobacco cigarettes. The finding that some e-cigarette users subjectively experience addiction highlights the need for effective cessation programs to support users who experience their e-cigarette use as burdensome. This research can guide the refinement of instruments to assess e-cigarette addiction and guide cessation programs. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID) RR2-10.1186/s40359-021-00682-8.
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Affiliation(s)
| | - Tatiana Görig
- Department of Medical Informatics, Biometry and Epidemiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Sabine Vollstädt-Klein
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health, Medical Faculty of Mannheim, University of Heidelberg, Mannheim, Germany.,Mannheim Center for Translational Neurosciences, Medical Faculty of Mannheim, University of Heidelberg, Mannheim, Germany
| | - Nadja Grundinger
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health, Medical Faculty of Mannheim, University of Heidelberg, Mannheim, Germany
| | - Ute Mons
- Cardiovascular Epidemiology of Aging, Department of Cardiology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Valerie Lohner
- Cardiovascular Epidemiology of Aging, Department of Cardiology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Sven Schneider
- Division of Public Health, Social and Preventive Medicine, Center for Preventive Medicine and Digital Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Marike Andreas
- Division of Public Health, Social and Preventive Medicine, Center for Preventive Medicine and Digital Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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Vogel EA, Barrington-Trimis JL, Harlow AF, Wong M, Cho J, Han DH, Leventhal AM, Tackett AP. Prevalence of and disparities in adolescents' susceptibility to novel oral nicotine products marketed as "tobacco-free". Prev Med 2023; 166:107387. [PMID: 36503016 PMCID: PMC9845133 DOI: 10.1016/j.ypmed.2022.107387] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 12/03/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022]
Abstract
Non-therapeutic, novel oral nicotine products are convenient, discreet to use, and flavored, with increasing sales in the United States. It is unclear whether these products appeal predominantly to adolescents already susceptible to inhalable nicotine products, or whether they attract adolescents who would not otherwise use nicotine. This study examined prevalence and correlates of susceptibility to inhalable and oral nicotine product use among adolescents. Ninth- and tenth-grade students from Southern California who had never used any nicotine product (N = 3129) completed an online survey in Fall 2021 assessing susceptibility to inhalable (i.e., cigarettes, e-cigarettes) and oral (e.g., pouches, gum, gummies) nicotine products. Multinomial logistic regression analyses estimated associations of demographic characteristics with odds of susceptibility to oral, inhalable, or both products. Susceptibility was highest for e-cigarettes (19.7%), followed by cigarettes (15.0%) and nicotine gum, lozenges, tablets and/or gummies (15.0%), and nicotine pouches (8.7%). Dual susceptibility to oral and inhalable products (vs. neither product type) was higher in cisgender female and non-cisgender (vs. cisgender male) adolescents (odds ratios [ORs] = 1.36-2.02; ps < 0.05). Hispanic adolescents (vs. Asian) were more susceptible to both products (OR = 1.47; p < .05). Lower-socioeconomic status (SES) and sexual minority adolescents were more susceptible to oral (ORs = 1.76-1.87; ps < 0.05) and both products (ORs = 1.32-1.88; ps < 0.05), compared to higher-SES and heterosexual adolescents. Adolescents in Southern California may be more susceptible to e-cigarettes than other nicotine/tobacco products. However, appreciable numbers may be susceptible to oral nicotine products, including some youth who might not otherwise use nicotine and youth from populations historically impacted by tobacco-related health disparities.
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Affiliation(s)
- Erin A Vogel
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, United States of America; Institute for Addiction Science, University of Southern California, United States of America; Norris Comprehensive Cancer Center, University of Southern California, United States of America.
| | - Jessica L Barrington-Trimis
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, United States of America; Institute for Addiction Science, University of Southern California, United States of America; Norris Comprehensive Cancer Center, University of Southern California, United States of America
| | - Alyssa F Harlow
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, United States of America; Institute for Addiction Science, University of Southern California, United States of America
| | - Melissa Wong
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, United States of America; Institute for Addiction Science, University of Southern California, United States of America
| | - Junhan Cho
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, United States of America; Institute for Addiction Science, University of Southern California, United States of America; Norris Comprehensive Cancer Center, University of Southern California, United States of America
| | - Dae-Hee Han
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, United States of America; Institute for Addiction Science, University of Southern California, United States of America
| | - Adam M Leventhal
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, United States of America; Institute for Addiction Science, University of Southern California, United States of America
| | - Alayna P Tackett
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, United States of America; Institute for Addiction Science, University of Southern California, United States of America; Norris Comprehensive Cancer Center, University of Southern California, United States of America
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Neurobiology and Mechanisms of Nicotine Addiction. Respir Med 2023. [DOI: 10.1007/978-3-031-24914-3_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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Perkins KA. The 2022 Ferno Award Address: CrEATE, an Efficient Crossover Evaluation of Addiction Treatment Efficacy. Nicotine Tob Res 2023; 25:77-85. [PMID: 35671343 PMCID: PMC9717395 DOI: 10.1093/ntr/ntac139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/05/2022] [Accepted: 06/05/2022] [Indexed: 01/03/2023]
Abstract
Dozens of drugs have been evaluated in recent decades for initial evidence of efficacy to aid smoking cessation (i.e. "early Phase 2" testing, according to U.S. FDA terminology), with the vast majority failing to show efficacy. Even small randomized clinical trials (RCTs), the most common early Phase 2 tests, are costly undertakings, made more unappealing by their high likelihood of failure. At the same time, another early Phase 2 approach, acute tests of drug effects on surrogate endpoints such as withdrawal or craving severity, are more practical but have little predictive clinical validity. Described here is an innovative procedure that optimally combines the validity of clinical trials with the practical advantages of surrogate endpoint studies to more efficiently determine whether or not a novel drug warrants continued clinical development. This CrEATE procedure, or Crossover Evaluation of Addiction Treatment Efficacy, does so by assessing short-term quit success in smokers highly motivated to quit when briefly treated with active drug versus placebo in a crossover design, so that quit efficacy from both conditions is compared within participants. The program to develop and evaluate CrEATE demonstrates its sensitivity to efficacy from all three FDA-approved first-line cessation medications (NRT, varenicline, bupropion), tested here as model drugs, as well as specificity in identifying lack of efficacy with a drug known to be ineffective for cessation (modafinil). CrEATE has subsequently been used to evaluate a few novel interventions, concluding they lack efficacy in increasing quit success. Future directions for the potential utility of CrEATE are provided. Implications: The ability of CrEATE to reach a Go/No Go decision more quickly and with far less cost lowers the risk of failure, meaning widespread use of the procedure should encourage the evaluation of more novel candidate drugs. With its greater efficiency, failed tests, unfortunately the most likely outcome in early Phase 2 studies, will cause less waste of resources. At the same time, CrEATE tests that indicate a novel treatment has efficacy will justify the substantial time and expense of moving forward to evaluate the drug in late Phase 2 RCTs.
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Affiliation(s)
- Kenneth A Perkins
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania PA 15213, USA
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Fasakin OW, Oboh G, Ademosun AO, Lawal AO. The modulatory effects of alkaloid extracts of Cannabis sativa, Datura stramonium, Nicotiana tabacum and male Carica papaya on neurotransmitter, neurotrophic and neuroinflammatory systems linked to anxiety and depression. Inflammopharmacology 2022; 30:2447-2476. [PMID: 35665872 DOI: 10.1007/s10787-022-01006-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 05/08/2022] [Indexed: 01/03/2023]
Abstract
This study investigated the modulatory effects of alkaloid extracts of Cannabis sativa (CSAE), Datura stramonium (DSAE), Nicotiana tabacum (NTAE) and male Carica papaya (CMAE) on neurotransmitter, neurotrophic and neuro-inflammatory systems linked to anxiety and depression. Male Wistar rats were orally administered the alkaloid extracts in doses of 5, 50, 500, and 2000 mg/kg for 90 days. On day 91, neurobehavioural studies were evaluated, rats were sacrificed, brain hippocampus removed and tissue homogenate prepared. Biochemical, cytokine and neurotransmitter metabolisms were estimated in the hippocampus. Expressions of genes linked to anxiety and depression were evaluated by RT-qPCR. Results showed CSAE, NTAE and CMAE act as anxiolytic and antidepressant agents by depleting TNF-α, IL-1β and reactive oxygen species concentrations, and monoamine oxidase, angiotensin 1-converting enzyme and acetylcholinesterase activities while elevating IL-10 and dopamine concentrations and glutamate dehydrogenase activity at doses of 5, 50 and 500. Same doses of CSAE, NTAE and CMAE also depleted the gene expressions of GSK3β, JNK, NF-ĸB, and Nesfatin-1 while increasing expressions of CREB, BDNF, serotonin and Nrf2. However, administration of DSAE and 2000 mg/kg CSAE, NTAE and CMAE had adverse modulatory effects on the neurochemical concentrations and activities as well as the gene expressions of the evaluated neurotransmitter, neurotrophic and inflammatory systems. In conclusion, the study established the sub-chronic instrumentalization potential of CSAE, CMAE, and NTAE for anxiolytic and anti-depressive moods, though their use may be associated with dependence and addiction, which may result in more detrimental effects than any therapeutic potential they may proffer.
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Affiliation(s)
- Olamide Wilson Fasakin
- Department of Biochemistry, School of Life Sciences, Federal University of Technology, P.M.B. 704, Akure, 340001, Nigeria
| | - Ganiyu Oboh
- Department of Biochemistry, School of Life Sciences, Federal University of Technology, P.M.B. 704, Akure, 340001, Nigeria.
| | - Ayokunle Olubode Ademosun
- Department of Biochemistry, School of Life Sciences, Federal University of Technology, P.M.B. 704, Akure, 340001, Nigeria
| | - Akeem O Lawal
- Department of Biochemistry, School of Life Sciences, Federal University of Technology, P.M.B. 704, Akure, 340001, Nigeria
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Browning KO, DeSarno MJ, Davis DR, Streck JM, Bergeria CL, Harfmann RF, Parker MA, Heil SH, Sigmon SC, Gaalema DE, Tidey JW, Lee DC, Tetreault HJ, Higgins ST. Relating individual differences in the reinforcing value of smoking and dependence severity to nicotine exposure levels in vulnerable populations. Prev Med 2022; 165:107312. [PMID: 36272516 PMCID: PMC9986960 DOI: 10.1016/j.ypmed.2022.107312] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 10/02/2022] [Accepted: 10/15/2022] [Indexed: 11/06/2022]
Abstract
Cigarette smoking is overrepresented in populations with psychiatric conditions and socioeconomic disadvantage. Greater understanding of the role of reinforcement and nicotine dependence in smoking among vulnerable populations may facilitate development of better targeted interventions to reduce smoking. Prior research demonstrated that individual differences in the reinforcing value of smoking and nicotine-dependence severity predicted total nicotine-exposure in vulnerable populations. The present study uses multivariate regression to address two aims: (1) Quantify the degree to which the reinforcing value of smoking, assessed using the Cigarette Purchase Task (CPT), and dependence severity assessed using the Fagerström Test of Nicotine Dependence and Brief Wisconsin Inventory of Smoking Dependence Motives (B-WISDM) each account for individual differences in cotinine-plus-3'-hydroxycotinine (COT+3HC) levels. (2) Explore whether there is overlap in the variance accounted for by the CTP, FTND, and B-WISDM. Participants were 628 adults with co-morbid psychiatric conditions or socioeconomic disadvantage who smoked daily. The CPT, FTND, and B-WISDM models accounted for 23.76%, 32.45%, and 29.61% of the variance in COT+3HC levels, respectively. Adding CPT to the FTND model failed to increase the variance accounted for and adding it to the B-WISDM model did so by only 1.2% demonstrating considerable overlap in the variance in nicotine exposure levels accounted for by these three instruments. These results provide new knowledge on the relationship between individual differences in the reinforcing value of smoking and nicotine-exposure levels and suggest differences in reinforcing value may underpin a considerable portion of the variance in nicotine exposure accounted for by dependence severity.
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Affiliation(s)
- Kaitlyn O Browning
- Vermont Center on Behavior and Health, University of Vermont, Burlington, VT, United States of America
| | - Michael J DeSarno
- Vermont Center on Behavior and Health, University of Vermont, Burlington, VT, United States of America
| | - Danielle R Davis
- Yale University Tobacco Center of Regulatory Science, Yale University School of Medicine, New Haven, CT, United States of America
| | - Joanna M Streck
- Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States of America
| | - Cecilia L Bergeria
- Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
| | - Roxanne F Harfmann
- Vermont Center on Behavior and Health, University of Vermont, Burlington, VT, United States of America
| | - Maria A Parker
- School of Public Health, Indiana University, Bloomington, IN, United States of America
| | - Sarah H Heil
- Vermont Center on Behavior and Health, University of Vermont, Burlington, VT, United States of America
| | - Stacey C Sigmon
- Vermont Center on Behavior and Health, University of Vermont, Burlington, VT, United States of America
| | - Diann E Gaalema
- Vermont Center on Behavior and Health, University of Vermont, Burlington, VT, United States of America
| | - Jennifer W Tidey
- Center for Alcohol and Addiction Studies, Brown University, Providence, RI, United States of America
| | - Dustin C Lee
- Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
| | - Haley J Tetreault
- Vermont Center on Behavior and Health, University of Vermont, Burlington, VT, United States of America
| | - Stephen T Higgins
- Vermont Center on Behavior and Health, University of Vermont, Burlington, VT, United States of America.
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Gram IT, Antypas K, Wangberg SC, Løchen ML, Larbi D. Factors associated with predictors of smoking cessation from
a Norwegian internet-based smoking cessation intervention
study. Tob Prev Cessat 2022; 8:38. [PMID: 36382026 PMCID: PMC9620393 DOI: 10.18332/tpc/155287] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 10/05/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022]
Abstract
INTRODUCTION We examined if we could identify predictors for smoking cessation at six months post cessation, among smokers enrolled in a large Norwegian population-based intervention study. METHODS We followed 4333 (72.1% women) smokers who enrolled in an internet-based smoking cessation intervention during 2010–2012. The baseline questionnaire collected information on sociodemographic and lifestyle factors, including current snus use. The cessation outcome was self-reported no smoking past seven days, at six months. We used logistic regression to estimate odds ratios (ORs) with 95% confidence intervals, to identify predictors of smoking cessation, adjusting for potential confounders. RESULTS Women (OR=1.30; 95% CI: 1.01–1.69) compared with men, and those with medium (OR=1.31; 95% CI: 1.02–1.68) and longer (OR=1.42; 95% CI: 1.06–1.90) education compared with those with shorter education, were more likely to be successful quitters. Overall, being a student (OR=0.56; 95% CI: 0.37–0.85) compared with having full-time work, and a moderate to high Fagerström test for nicotine dependence (FTND) score (OR=0.69; 95% CI: 0.55–0.87) compared with a low score, were predictors for unsuccessful cessation. Current snus use was a predictor for unsuccessful cessation compared to no snus use for both men (OR=0.49; 95% CI: 0.28–0.88) and women (OR=0.49; 95% CI: 0.32–0.75). CONCLUSIONS Our study identifies female sex and longer education as predictors for successful smoking cessation, while a medium or high FTND score, being a student, and current snus use, were predictors for unsuccessful smoking cessation. Only current snus use was a predictor for unsuccessful cessation for both sexes. Our results indicate that smokers should be warned that snus use may prevent successful smoking cessation.
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Affiliation(s)
- Inger T. Gram
- Department of Community Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway
- Norwegian Centre for eHealth Research, University Hospital of North Norway, Tromsø, Norway
| | - Konstantinos Antypas
- Norwegian Centre for eHealth Research, University Hospital of North Norway, Tromsø, Norway
- SINTEF Digital, Oslo, Norway
| | - Silje C. Wangberg
- Department of Health and Care Sciences, UiT The Arctic University of Norway, Tromsø, Norway
| | - Maja-Lisa Løchen
- Department of Community Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway
| | - Dillys Larbi
- Norwegian Centre for eHealth Research, University Hospital of North Norway, Tromsø, Norway
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Chen B, Spells CE, Bluestein MA, Kuk AE, Harrell MB, Pérez A. The association of perceptions of harmfulness and addictiveness on the age of initiation of cigar product use among youth: Findings from the Population Assessment of Tobacco and Health (PATH) study, 2013-2017. Front Public Health 2022; 10:882434. [PMID: 36276402 PMCID: PMC9580780 DOI: 10.3389/fpubh.2022.882434] [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: 02/23/2022] [Accepted: 09/13/2022] [Indexed: 01/21/2023] Open
Abstract
Background Perceptions of cigar products' harmfulness and addictiveness in youth are associated with subsequent cigar product initiation, but their association on the age of initiation of cigar product use is unknown. Methods The association of perceptions of harmfulness and addictiveness at youth's first wave of PATH participation (waves 1 or 2 in years 2013-2015) on the age of initiation of (i) ever. (ii) past 30-day, and (iii) fairly regular use of any cigar products (cigarillos, filtered cigars, or traditional cigars) during the followed-up in PATH waves 2-4 (2014-2017) was estimated using weighted interval-censored Cox proportional hazards models. Also, the association of the interaction between perceptions of harmfulness and addictiveness and the age of initiation of any cigar use are reported. Hazard ratios (HR) and 95% confidence intervals (CI) are reported. Results Among youth who had ever heard of cigar products, youth who perceived cigars to be "low-medium harmfulness and low-medium addictiveness" had 60% (HR: 1.60, 95%CI: 1.36-1.89) higher hazard risk to initiate ever cigar product use at an earlier age, and had 46% (HR:1.46, 95%CI: 1.14-1.86) higher hazard risk to initiate past 30-day cigar product use at younger ages than those who perceived cigars to be "high harmfulness and high addictiveness." Moreover, youth who perceived cigars to be "low-medium harmfulness and high addictiveness" had 33% (HR: 1.33, 95%CI: 1.15-1.53) higher hazard risk to initiate ever cigar product use at younger ages than those who perceived cigars to be "high harmfulness and high addictiveness." Youth who reported "high harmfulness and low-medium addictiveness" (HR: 0.24, 95% CI: 0.07-0.83) had 76% lower hazard risk to initiate fairly regular use of cigar products at younger ages compared to youth who reported "high harmfulness and high addictiveness." Conclusions Prevention and awareness campaigns should reinforce the unique potential for harm and addiction of cigar products to curb cigar product initiation among US youth.
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Affiliation(s)
- Baojiang Chen
- Department of Biostatistics and Data Science, School of Public Health, the University of Texas Health Science Center at Houston (UTHealth Houston), Austin, TX, United States,Michael & Susan Dell Center for Healthy Living, School of Public Health, The University of Texas Health Science Center at Houston (UTHealth), Austin, TX, United States
| | - Charles E. Spells
- Michael & Susan Dell Center for Healthy Living, School of Public Health, The University of Texas Health Science Center at Houston (UTHealth), Austin, TX, United States
| | - Meagan A. Bluestein
- Michael & Susan Dell Center for Healthy Living, School of Public Health, The University of Texas Health Science Center at Houston (UTHealth), Austin, TX, United States
| | - Arnold E. Kuk
- Michael & Susan Dell Center for Healthy Living, School of Public Health, The University of Texas Health Science Center at Houston (UTHealth), Austin, TX, United States
| | - Melissa B. Harrell
- Department of Epidemiology, School of Public Health, Human Genetics and Environmental Sciences, The University of Texas Health Science Center at Houston (UTHealth Houston), Austin, TX, United States
| | - Adriana Pérez
- Department of Biostatistics and Data Science, School of Public Health, the University of Texas Health Science Center at Houston (UTHealth Houston), Austin, TX, United States,Michael & Susan Dell Center for Healthy Living, School of Public Health, The University of Texas Health Science Center at Houston (UTHealth), Austin, TX, United States,*Correspondence: Adriana Pérez
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Rumlerová T, Kube E, Simonet N, Friso F, Politi M. Use of tobacco purge in a therapeutic community for the treatment of substance use disorders. ANTHROPOLOGY OF CONSCIOUSNESS 2022. [DOI: 10.1111/anoc.12169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tereza Rumlerová
- Department of Psychology Palacky University Vodární 6 Olomouc Czech Republic
| | - Eric Kube
- Independent Researcher 248 Lakeview Drive Rd Highland Lake United States
| | - Nahuel Simonet
- Independent Researcher Route de la Poudrière 27 Fribourg Switzerland
| | - Fabio Friso
- Center for Drug Addiction Treatment and Research on Traditional Medicines – Takiwasi Prolongación Alerta 466, Tarapoto Peru
| | - Matteo Politi
- Center for Drug Addiction Treatment and Research on Traditional Medicines – Takiwasi Prolongación Alerta 466 Tarapoto Peru
- Department of Pharmacy University of Chieti‐Pescara Via Vestini 31 Chieti Scalo Italy
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46
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The Longitudinal Association of Childhood and Adolescent Television Viewing with Substance Use Disorders and Disordered Gambling in Adulthood up to Age 45. Int J Ment Health Addict 2022. [DOI: 10.1007/s11469-022-00918-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
Abstract
AbstractExcessive leisure-time television viewing in childhood has been associated with a range of poorer outcomes in adulthood and may represent an early form of addictive disorder. As addictive disorders are often correlated, we tested the hypothesis that television viewing in childhood and adolescence would be longitudinally associated with adulthood substance-related and behavioural addictive disorders in a population-based cohort born in 1972/1973. Weekday television viewing time was reported at multiple ages from 5 to 15 years, and criteria for alcohol, cannabis, and tobacco use disorders and disordered gambling were assessed at multiple adult ages up to 45 years. Higher television viewing times were associated with a greater likelihood of meeting diagnostic criteria for all substance-related disorders and disordered gambling in models that were adjusted for sex (p values < 0.05). After adjustment for childhood socioeconomic status and childhood self-control, mean television viewing time (hours/day) remained associated with tobacco use disorder (OR = 1.22, 95% CI = 1.04–1.42, p = 0.017) and disordered gambling (OR = 1.33, 95% CI = 1.07–1.66, p = 0.010). Excessive, leisure-time television viewing in childhood and adolescence may be a modifiable risk factor for tobacco use disorder and/or disordered gambling in later life.
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47
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Hong SW, Teesdale-Spittle P, Page R, Truman P. A review of monoamine oxidase (MAO) inhibitors in tobacco or tobacco smoke. Neurotoxicology 2022; 93:163-172. [PMID: 36155069 DOI: 10.1016/j.neuro.2022.09.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 09/14/2022] [Accepted: 09/21/2022] [Indexed: 10/14/2022]
Abstract
Tobacco smoking is reputed to be the most difficult addiction of all to give up, and nicotine has been noted as the major addictive agent in tobacco smoke. However, research shows that nicotine addiction is due to more than nicotine alone. One hypothesis is that monoamine oxidase (MAO) inhibition from non-nicotinic components in, or derived from, tobacco smoke contributes to nicotine addiction. Harman and norharman, have been recognised as major and potent MAO inhibitors in tobacco smoke, but these two inhibitors together comprise perhaps less than 10% of the total MAO A inhibitory activity in cigarette smoke suggesting other unidentified components may make significant contributions to total inhibitory activity. Therefore, we reviewed an index of the chemical components of tobacco and tobacco smoke and identified those known to be MAO inhibitors. Amongst these inhibitors, phenols and phenolic acids with MAO inhibitory activity are commonly reversible and selective MAO A inhibitors, whereas trans,trans-farnesol, 2-methyl-1,4-naphthoquinone (menadione), 1,4-naphthoquinone, scopoletin, and diosmetin with MAO inhibitory activity are reversible and selective MAO B inhibitors. The compound, 1,4-benzoquinone is an irreversible MAO A inhibitor and to the best of our knowledge, this is the first irreversible MAO A inhibitor to be reported in tobacco smoke. MAO inhibitors have been used clinically to treat depression, anxiety, and Parkinson's disease. The MAO inhibitors identified from tobacco and tobacco smoke and summarized in this review, are potential pharmacological candidates to be investigated further. This review will enhance our knowledge of the way tobacco smoke affects MAO activity in smokers and will also be important in helping to understand nicotine addiction.
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Affiliation(s)
- Sa Weon Hong
- School of Health Sciences, Massey University, Wellington 6021, New Zealand.
| | - Paul Teesdale-Spittle
- School of Biological Sciences, Victoria University of Wellington, Wellington 6012, New Zealand
| | - Rachel Page
- School of Health Sciences, Massey University, Wellington 6021, New Zealand
| | - Penelope Truman
- School of Health Sciences, Massey University, Wellington 6021, New Zealand
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48
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Kolodner G, DiClemente CC, Miller MM. Nicotine Addiction: A Burning Issue in Addiction Psychiatry. Psychiatr Clin North Am 2022; 45:451-465. [PMID: 36055732 DOI: 10.1016/j.psc.2022.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Addressing nicotine addiction has been given a low priority, compared with other substance use disorders (SUDs), by the addiction treatment field. Persons with nicotine addiction are reluctant to attempt to stop using nicotine products-despite recognizing it to be a problem-because they are feeling discouraged by multiple past unsuccessful attempts at quitting. By understanding that discouragement is a frequent reason that these people are in Precontemplation and by using traditional clinical interventions applied to other SUDs, clinicians could achieve better overall treatment outcomes.
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Affiliation(s)
- George Kolodner
- Georgetown University School of Medicine, Washington, DC, USA.
| | | | - Michael M Miller
- University of Wisconsin School of Medicine and Public Health, Madison, WI, USA; Medical College of Wisconsin, Wauwatosa, WI, USA
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49
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Love M, Gierer S. Electronic Cigarettes and Vaping in Allergic and Asthmatic Disease. Immunol Allergy Clin North Am 2022; 42:787-800. [DOI: 10.1016/j.iac.2022.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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50
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Maurer JJ, Wimmer ME, Turner CA, Herman RJ, Zhang Y, Ragnini K, Ferrante J, Kimmey BA, Crist RC, Pierce RC, Schmidt HD. Paternal nicotine taking elicits heritable sex-specific phenotypes that are mediated by hippocampal Satb2. Mol Psychiatry 2022; 27:3864-3874. [PMID: 35595980 PMCID: PMC9675874 DOI: 10.1038/s41380-022-01622-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 05/04/2022] [Accepted: 05/11/2022] [Indexed: 02/08/2023]
Abstract
Nicotine intake, whether through tobacco smoking or e-cigarettes, remains a global health concern. An emerging preclinical literature indicates that parental nicotine exposure produces behavioral, physiological, and molecular changes in subsequent generations. However, the heritable effects of voluntary parental nicotine taking are unknown. Here, we show increased acquisition of nicotine taking in male and female offspring of sires that self-administered nicotine. In contrast, self-administration of sucrose and cocaine were unaltered in male and female offspring suggesting that the intergenerational effects of paternal nicotine taking may be reinforcer specific. Further characterization revealed memory deficits and increased anxiety-like behaviors in drug-naive male, but not female, offspring of nicotine-experienced sires. Using an unbiased, genome-wide approach, we discovered that these phenotypes were associated with decreased expression of Satb2, a transcription factor known to play important roles in synaptic plasticity and memory formation, in the hippocampus of nicotine-sired male offspring. This effect was sex-specific as no changes in Satb2 expression were found in nicotine-sired female offspring. Finally, increasing Satb2 levels in the hippocampus prevented the escalation of nicotine intake and rescued the memory deficits associated with paternal nicotine taking in male offspring. Collectively, these findings indicate that paternal nicotine taking produces heritable sex-specific molecular changes that promote addiction-like phenotypes and memory impairments in male offspring.
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Affiliation(s)
- John J. Maurer
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA,Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Mathieu E. Wimmer
- Department of Psychology, College of Liberal Arts, Temple University, Philadelphia, PA, 19122, USA
| | - Christopher A. Turner
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA,Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Rae J. Herman
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA,Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Yafang Zhang
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA,Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Kael Ragnini
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA,Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Julia Ferrante
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA,Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Blake A. Kimmey
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA,Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Richard C. Crist
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - R. Christopher Pierce
- Brain Health Institute and Department of Psychiatry, Robert Wood Johnson Medical School, Rutgers University, Piscataway, NJ 08854, USA
| | - Heath D. Schmidt
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA,Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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