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Ryu IS, Kim J, Yang JH, Seo SY, Sohn S, Kim S, Lee K, Seo JW, Choe ES. Exposure to Commercial Cigarette Smoke Produces Psychomotor Sensitization Via Hyperstimulation of Glutamate Response in the Dorsal Striatum. Brain Sci 2020; 11:brainsci11010014. [PMID: 33374316 PMCID: PMC7830476 DOI: 10.3390/brainsci11010014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/11/2020] [Accepted: 12/22/2020] [Indexed: 11/16/2022] Open
Abstract
Cigarette smoke is a highly complex mixture of nicotine and non-nicotine constituents. Exposure to cigarette smoke enhances tobacco dependence by potentiating glutamatergic neurotransmission via stimulation of nicotinic acetylcholine receptors (nAChRs). We investigated the effects of nicotine and non-nicotine alkaloids in the cigarette smoke condensates extracted from two commercial cigarette brands in South Korea (KCSC A and KCSC B) on psychomotor behaviors and glutamate levels in the dorsal striatum. Repeated and challenge administration of KCSCs (nicotine content: 0.4 mg/kg, subcutaneous) increased psychomotor behaviors (ambulatory, rearing, and rotational activities) and time spent in psychoactive behavioral states compared to exposure to nicotine (0.4 mg/kg) alone. The increase in psychomotor behaviors lasted longer when exposed to repeated and challenge administration of KCSCs compared to nicotine alone. In parallel with sustained increase in psychomotor behaviors, repeated administration of KCSCs also caused long-lasting glutamate release in the dorsal striatum compared to nicotine alone. KCSC-induced changes in psychomotor behaviors and glutamate levels in the dorsal striatum were found to be strongly correlated. These findings suggest that non-nicotine alkaloids in commercial cigarette smoke synergistically act with nicotine on nAChRs, thereby upregulating glutamatergic response in the dorsal striatum, which contributes to the hypersensitization of psychomotor behaviors.
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Affiliation(s)
- In Soo Ryu
- Department of Biological Sciences, Pusan National University, 63-2 Busandaehak-ro, Geumjeong-gu, Busan 46241, Korea; (J.K.); (J.H.Y.); (S.Y.S.); (S.S.); (S.K.)
- Research Center for Convergence Toxicology, Korea Institute of Toxicology, 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Korea;
- Correspondence: (I.S.R.); (E.S.C.); Tel.: +82-42-610-8293 (I.S.R.); +82-51-510-2272 (E.S.C.)
| | - Jieun Kim
- Department of Biological Sciences, Pusan National University, 63-2 Busandaehak-ro, Geumjeong-gu, Busan 46241, Korea; (J.K.); (J.H.Y.); (S.Y.S.); (S.S.); (S.K.)
| | - Ju Hwan Yang
- Department of Biological Sciences, Pusan National University, 63-2 Busandaehak-ro, Geumjeong-gu, Busan 46241, Korea; (J.K.); (J.H.Y.); (S.Y.S.); (S.S.); (S.K.)
| | - Su Yeon Seo
- Department of Biological Sciences, Pusan National University, 63-2 Busandaehak-ro, Geumjeong-gu, Busan 46241, Korea; (J.K.); (J.H.Y.); (S.Y.S.); (S.S.); (S.K.)
- Korean Medicine Fundamental Research Division, Korea Institute of Oriental Medicine, 1672 Yuseong-daero, Yuseong-gu, Daejeon 34054, Korea
| | - Sumin Sohn
- Department of Biological Sciences, Pusan National University, 63-2 Busandaehak-ro, Geumjeong-gu, Busan 46241, Korea; (J.K.); (J.H.Y.); (S.Y.S.); (S.S.); (S.K.)
| | - Sunghyun Kim
- Department of Biological Sciences, Pusan National University, 63-2 Busandaehak-ro, Geumjeong-gu, Busan 46241, Korea; (J.K.); (J.H.Y.); (S.Y.S.); (S.S.); (S.K.)
| | - Kyuhong Lee
- Inhalation Toxicology Research Center, Korea Institute of Toxicology, 30 Baekhak 1-gil, Jeongeup 56212, Korea;
| | - Joung-Wook Seo
- Research Center for Convergence Toxicology, Korea Institute of Toxicology, 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Korea;
| | - Eun Sang Choe
- Department of Biological Sciences, Pusan National University, 63-2 Busandaehak-ro, Geumjeong-gu, Busan 46241, Korea; (J.K.); (J.H.Y.); (S.Y.S.); (S.S.); (S.K.)
- Correspondence: (I.S.R.); (E.S.C.); Tel.: +82-42-610-8293 (I.S.R.); +82-51-510-2272 (E.S.C.)
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Rodríguez-Fernández P, Gómez AC, Gibert I, Prat-Aymerich C, Domínguez J. Effects of cigarette smoke on the administration of isoniazid and rifampicin to macrophages infected with Mycobacterium tuberculosis. Exp Lung Res 2020; 47:87-97. [PMID: 33305652 DOI: 10.1080/01902148.2020.1854371] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
BACKGROUND Smoking is a cause behind many diseases, including tuberculosis, and it is a risk factor for tuberculosis infection and mortality. Moreover, smoking is associated with a poor tuberculosis treatment outcome. OBJECTIVES In this study, we focus on the effects of cigarette smoke on an infected cell culture treated with anti-tuberculosis drugs. MATERIALS AND METHODS Cytotoxicity on THP-1, J774A.1 and MH-S cell lines and growth of Mycobacterium tuberculosis exposed to a reference or a commercial cigarette was evaluated. THP-1 cell line was exposed to cigarette smoke, infected with Mycobacterium tuberculosis and treated with anti-tuberculosis drugs. Apoptosis and death cell were also tested on M. bovis BCG infected cells. Minimal inhibitory concentrations of anti-tuberculosis drugs were analyzed. RESULTS All cells lines showed viability values higher than 80% when exposed to cigarette smoke extract. However, THP-1 cell line infected with M. bovis BCG and exposed to Marlboro cigarette smoke showed up to a 54% reduction of apoptotic cells than cells unexposed to smoke. M. tuberculosis exposed to Marlboro cigarette smoke for 11 days had an optical density 16% lower than unexposed bacteria. When cells were infected with M. tuberculosis, the intracellular recovery of CFUs showed up to a 0.66 log reduction in cells exposed to cigarette smoke extract because of a potential impairment in the phagocytosis. Macrophages treated with drugs showed up to a 2.55 log reduction in the intracellular load burden compared with non-treated ones. Despite poor treatment outcome on TB smoker patients, minimal inhibitory concentration of rifampicin increased only 2-fold in M. tuberculosis exposed to cigarette smoke. CONCLUSION Smoking interferes with tuberculosis treatment impairing the immunity of the host.
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Affiliation(s)
- Pablo Rodríguez-Fernández
- Servei de Microbiologia, Hospital Universitari Germans Trias i Pujol, Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain.,CIBER Enfermedades Respiratorias (CIBERES), Madrid, Spain.,Institut de Biotecnologia i de Biomedicina (IBB), Universitat Autònoma de Barcelona (UAB), Barcelona, Spain.,Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Andromeda-Celeste Gómez
- Servei de Microbiologia, Hospital Universitari Germans Trias i Pujol, Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain.,CIBER Enfermedades Respiratorias (CIBERES), Madrid, Spain.,Institut de Biotecnologia i de Biomedicina (IBB), Universitat Autònoma de Barcelona (UAB), Barcelona, Spain.,Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Isidre Gibert
- Institut de Biotecnologia i de Biomedicina (IBB), Universitat Autònoma de Barcelona (UAB), Barcelona, Spain.,Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Cristina Prat-Aymerich
- Servei de Microbiologia, Hospital Universitari Germans Trias i Pujol, Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain.,CIBER Enfermedades Respiratorias (CIBERES), Madrid, Spain.,Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Jose Domínguez
- Servei de Microbiologia, Hospital Universitari Germans Trias i Pujol, Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain.,CIBER Enfermedades Respiratorias (CIBERES), Madrid, Spain.,Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
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Kartika IGAA, Bang IJ, Riani C, Insanu M, Kwak JH, Chung KH, Adnyana IK. Isolation and Characterization of Phenylpropanoid and Lignan Compounds from Peperomia pellucida [L.] Kunth with Estrogenic Activities. Molecules 2020; 25:E4914. [PMID: 33114252 PMCID: PMC7660628 DOI: 10.3390/molecules25214914] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/22/2020] [Accepted: 10/22/2020] [Indexed: 01/01/2023] Open
Abstract
Extracts of Peperomia pellucida [L.] Kunth have previously been demonstrated to have in vivo estrogenic-like effects, thereby functioning as an anti-osteoporotic agent. However, the compounds responsible for these effects have not yet been determined. Therefore, the aim of this study is to isolate and elucidate potential compounds with estrogenic activity. The structures of the isolated compounds were identified using 1D 1H and 13C-NMR and confirmed by 2D FT-NMR. The estrogenic activity was evaluated using the E-SCREEN assay, and a molecular docking study was performed to predict the binding affinity of the isolated compounds to estrogen receptors. In this experiment, we successfully isolated three phenylpropanoids and two lignan derivatives, namely, 6-allyl-5-methoxy-1,3-benzodioxol-4-ol (1), pachypostaudin B (2), pellucidin A (3), dillapiole (4), and apiol (5). Among these compounds, the isolation of 1 and 2 from P. pellucida is reported for the first time in this study. Activity assays clearly showed that the ethyl acetate extract and its fractions, subfractions, and isolated compounds exerted estrogenic activity. Methanol fraction of the ethyl acetate extract produced the highest estrogenic activity, while 1 and 2 had partial agonist activity. Some compounds (derivates of dillapiole and pellucidin A) also had, in addition, anti-estrogenic activity. In the docking study, the estrogenic activities of 1-5 appeared to be mediated by a classical ligand-dependent mechanism as suggested by the binding interaction between the compounds and estrogen receptors; binding occurred on Arg 394 and His 524 of the alpha receptor and Arg 346 and His 475 of the beta receptor. In summary, we reveal that P. pellucida is a promising anti-osteoporotic agent due to its estrogenic activity, and the compounds responsible for this activity were found to be lignan and phenylpropanoid derivatives. The presence of other compounds in either the extract or fraction may contribute to a synergistic effect, as suggested by the higher estrogenic activity of the methanol fraction. Hence, we suggest further research on the osteoporotic activity and safety of the identified compounds, especially regarding their effects on estrogen-responsive organs.
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Affiliation(s)
- I Gusti Agung Ayu Kartika
- Pharmacology and Clinical Pharmacy Department, School of Pharmacy, Institut Teknologi Bandung, Ganesha 10, Bandung 40132, Indonesia;
| | - In Jae Bang
- Prevent Pharm Laboratory, School of Pharmacy, Sungkyunkwan University, Suwon-Si, Gyeonggi-Do 16419, Korea;
| | - Catur Riani
- Laboratory of Pharmaceutical Biotechnology, School of Pharmacy, Institut Teknologi Bandung, Ganesha 10, Bandung 40132, Indonesia;
| | - Muhamad Insanu
- Pharmaceutical Biology Department, School of Pharmacy, Institut Teknologi Bandung, Ganesha 10, Bandung 40132, Indonesia;
| | - Jong Hwan Kwak
- Phytochemistry Laboratory, School of Pharmacy, Sungkyunkwan University, Suwon-Si, Gyeonggi-Do 16419, Korea
| | - Kyu Hyuck Chung
- Prevent Pharm Laboratory, School of Pharmacy, Sungkyunkwan University, Suwon-Si, Gyeonggi-Do 16419, Korea;
| | - I Ketut Adnyana
- Pharmacology and Clinical Pharmacy Department, School of Pharmacy, Institut Teknologi Bandung, Ganesha 10, Bandung 40132, Indonesia;
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Jaccard G, Djoko DT, Korneliou A, Stabbert R, Belushkin M, Esposito M. Mainstream smoke constituents and in vitro toxicity comparative analysis of 3R4F and 1R6F reference cigarettes. Toxicol Rep 2019; 6:222-231. [PMID: 30886823 PMCID: PMC6402302 DOI: 10.1016/j.toxrep.2019.02.009] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/19/2019] [Accepted: 02/24/2019] [Indexed: 11/26/2022] Open
Abstract
A new Kentucky reference cigarette, 1R6F, has been manufactured to replace the depleting 3R4F reference cigarette. The 3R4F Kentucky reference cigarettes have been widely used as monitor or comparator cigarettes for mainstream smoke analysis and in vitro and in vivo toxicological data of cigarettes and novel tobacco products. Both reference cigarettes were analyzed in the same laboratory during the same period of time with the goal of performing a comparison of 3R4F and 1R6F. On the basis of the results obtained from aerosol chemistry and in vitro assays, we consider that the 1R6F reference cigarette is a suitable replacement for the 3R4F reference cigarette as a comparator/monitor cigarette. Its specific use as a comparator for novel tobacco products was checked on the basis of a comparative test with the Tobacco Heating System 2.2 as an example.
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Affiliation(s)
- Guy Jaccard
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 3, CH-2000, Neuchâtel, Switzerland
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Ryu IS, Kim J, Seo SY, Yang JH, Oh JH, Lee DK, Cho HW, Lee K, Yoon SS, Seo JW, Shim I, Choe ES. Repeated Administration of Cigarette Smoke Condensate Increases Glutamate Levels and Behavioral Sensitization. Front Behav Neurosci 2018; 12:47. [PMID: 29615877 PMCID: PMC5864865 DOI: 10.3389/fnbeh.2018.00047] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 02/28/2018] [Indexed: 01/09/2023] Open
Abstract
Nicotine, a nicotinic acetylcholine receptor agonist, produces the reinforcing effects of tobacco dependence by potentiating dopaminergic and glutamatergic neurotransmission. Non-nicotine alkaloids in tobacco also contribute to dependence by activating the cholinergic system. However, glutamatergic neurotransmission in the dorsal striatum associated with behavioral changes in response to cigarette smoking has not been investigated. In this study, the authors investigated alterations in glutamate levels in the rat dorsal striatum related to behavioral alterations after repeated administration of cigarette smoke condensate (CSC) using the real-time glutamate biosensing and an open-field behavioral assessment. Repeated administration of CSC including 0.4 mg nicotine (1.0 mL/kg/day, subcutaneous) for 14 days significantly increased extracellular glutamate concentrations more than repeated nicotine administration. In parallel with the hyperactivation of glutamate levels, repeated administration of CSC-evoked prolonged hypersensitization of psychomotor activity, including locomotor and rearing activities. These findings suggest that the CSC-induced psychomotor activities are closely associated with the elevation of glutamate concentrations in the rat dorsal striatum.
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Affiliation(s)
- In Soo Ryu
- Department of Biological Sciences, Pusan National University, Busan, South Korea.,Research Center for Safety Pharmacology, Korea Institute of Toxicology, Daejeon, South Korea
| | - Jieun Kim
- Department of Biological Sciences, Pusan National University, Busan, South Korea
| | - Su Yeon Seo
- Department of Biological Sciences, Pusan National University, Busan, South Korea.,Fundamental Research Division, Korea Institute of Oriental Medicine, Daejeon, South Korea
| | - Ju Hwan Yang
- Department of Biological Sciences, Pusan National University, Busan, South Korea
| | - Jeong Hwan Oh
- College of Fisheries Sciences, National Institute of Fisheries (NIFS), Busan, South Korea
| | - Dong Kun Lee
- Department of Physiology, Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, South Korea
| | - Hyun-Wook Cho
- Department of Biology, Sunchon National University, Sunchon, South Korea
| | - Kyuhong Lee
- Inhalation Toxicology Research Center, Korea Institute of Toxicology, Jeongeup, South Korea
| | - Seong Shoon Yoon
- Research Center for Safety Pharmacology, Korea Institute of Toxicology, Daejeon, South Korea
| | - Joung-Wook Seo
- Research Center for Safety Pharmacology, Korea Institute of Toxicology, Daejeon, South Korea
| | - Insop Shim
- Department of Science in Korean Medicine, Kyung Hee University, Seoul, South Korea
| | - Eun Sang Choe
- Department of Biological Sciences, Pusan National University, Busan, South Korea
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Peng H, Zhao XH, Bi TT, Yuan XY, Guo JB, Peng SQ. PM 2.5 obtained from urban areas in Beijing induces apoptosis by activating nuclear factor-kappa B. Mil Med Res 2017; 4:27. [PMID: 29502513 PMCID: PMC5577776 DOI: 10.1186/s40779-017-0136-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 08/08/2017] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Particulate matter (PM), which has adverse effects on citizen health, is a major air pollutant in Beijing city. PM2.5 is an indicator of PM in urban areas and can cause serious damage to human health. Many epidemiological studies have shown that nuclear factor-kappa B (NF-κB) is involved in PM2.5-induced cell injury, but the exact mechanisms are not well understood. METHODS The cytotoxic effects of PM2.5 at 25-1600 μg/ml for 24 h were determined by MTT assay in Chinese hamster ovary cells (CHO) cells. Flow cytometry was used to determine the apoptosis rate induced by PM2.5. The destabilized enhanced green fluorescent protein (d2EGFP) green fluorescent protein reporter system was used to determine the NF-κB activity induced by PM2.5. The expression of pro-apoptotic Bcl-2-associated death promoter (BAD) proteins induced by PM2.5 was determined by western blotting to explore the relationship between PM2.5 and the NF-κB signaling pathway and to determine the toxicological mechanisms of PM2.5. RESULTS PM2.5 collected in Beijing urban districts induces cytotoxic effects in CHO cells according to MTT assay with 72.28% cell viability rates even at 200 μg/ml PM2.5 and flow cytometry assays with 26.97% apoptosis rates at 200 μg/ml PM2.5. PM2.5 increases the activation levels of NF-κB, which have maintained for 24 h. 200 μg/ml PM2.5 cause activation of NF-κB after exposure for 4 h, the activation peak appears after 13.5 h with a peak value of 25.41%. The average percentage of NF-κB activation in whole 24 h is up to 12.9% by 200 μg/ml PM2.5. In addition, PM2.5 decreases the expression level of the pro-apoptotic protein BAD in a concentration-dependent manner. CONCLUSIONS PM2.5 induces NF-κB activation, which persists for 24 h. The expression of pro-apoptotic protein BAD decreased with increased concentrations of PM2.5. These findings suggest that PM2.5 plays a major role in apoptosis by activating the NF-κB signaling pathway and reducing BAD protein expression.
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Affiliation(s)
- Hui Peng
- Evaluation and Research Center for Toxicology, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Xiao-Hong Zhao
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, 100191, China.
| | - Ting-Ting Bi
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, 100191, China
| | - Xiao-Yan Yuan
- Evaluation and Research Center for Toxicology, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Jia-Bin Guo
- Evaluation and Research Center for Toxicology, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Shuang-Qing Peng
- Evaluation and Research Center for Toxicology, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, 100071, China
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