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Xu Y, Wang J, He Z, Rao Z, Zhang Z, Zhou J, Zhou T, Wang H. A review on the effect of COX-2-mediated mechanisms on development and progression of gastric cancer induced by nicotine. Biochem Pharmacol 2024; 220:115980. [PMID: 38081368 DOI: 10.1016/j.bcp.2023.115980] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023]
Abstract
Smoking is a documented risk factor for cancer, e.g., gastric cancer. Nicotine, the principal tobacco alkaloid, would exert its role of contribution to gastric cancer development and progression through nicotinic acetylcholine receptors (nAChRs) and β-adrenergic receptors (β-ARs), which then promote cancer cell proliferation, migration and invasion. As a key isoenzyme in conversion of arachidonic acid to prostaglandins, cyclooxygenase-2 (COX-2) has been demonstrated to have a wide range of effects in carcinogenesis and tumor development. At present, many studies have reported the effect of nicotine on gastric cancer by binding to nAChR, as well as indirectly stimulating β-AR to mediate COX-2-related pathways. This review summarizes these studies, and also proposes more potential COX-2-mediated mechanisms. These events might contribute to the growth and progression of gastric cancer exposed to nicotine through tobacco smoke or cigarette substitutes. Also, this review article has therefore the potential not only to make a significant contribution to the treatment and prognosis of gastric cancer for smokers but also to the clinical application of COX-2 antagonists. In addition, this work also discusses the considerable challenges of this field with special reference to the future perspective of COX-2-mediated mechanisms in development and progression of gastric cancer induced by nicotine.
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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 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
| | - Juan 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
| | - 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
| | - 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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Boiangiu RS, Brinza I, Honceriu I, Mihasan M, Hritcu L. Insights into Pharmacological Activities of Nicotine and 6-Hydroxy-L-nicotine, a Bacterial Nicotine Derivative: A Systematic Review. Biomolecules 2023; 14:23. [PMID: 38254623 PMCID: PMC10813004 DOI: 10.3390/biom14010023] [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: 11/21/2023] [Revised: 12/13/2023] [Accepted: 12/20/2023] [Indexed: 01/24/2024] Open
Abstract
The purported cognitive benefits associated with nicotine and its metabolites in the brain are a matter of debate. In this review, the impact of the pharmacologically active metabolite of a nicotine derivative produced by bacteria named 6-hydroxy-L-nicotine (6HLN) on memory, oxidative stress, and the activity of the cholinergic system in the brain was examined. A search in the PubMed, Science Direct, Web of Science, and Google Scholar databases, limiting entries to those published between 1992 and 2023, was conducted. The search focused specifically on articles about nicotine metabolites, memory, oxidative stress, and cholinergic system activity, as well as enzymes or pathways related to nicotine degradation in bacteria. The preliminary search resulted in 696 articles, and following the application of exclusion criteria, 212 articles were deemed eligible for inclusion. This review focuses on experimental studies supporting nicotine catabolism in bacteria, and the chemical and pharmacological activities of nicotine and its metabolite 6HLN.
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Affiliation(s)
| | | | | | - Marius Mihasan
- BioActive Research Group, Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University of Iasi, 700506 Iasi, Romania; (R.S.B.); (I.B.); (I.H.)
| | - Lucian Hritcu
- BioActive Research Group, Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University of Iasi, 700506 Iasi, Romania; (R.S.B.); (I.B.); (I.H.)
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Mu Y, Chen Q, Parales RE, Lu Z, Hong Q, He J, Qiu J, Jiang J. Bacterial catabolism of nicotine: Catabolic strains, pathways and modules. ENVIRONMENTAL RESEARCH 2020; 183:109258. [PMID: 32311908 DOI: 10.1016/j.envres.2020.109258] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 01/22/2020] [Accepted: 02/13/2020] [Indexed: 06/11/2023]
Abstract
Nicotine, the major alkaloid in tobacco, is a toxic, carcinogenic, and addictive compound. In recent years, nicotine catabolism in prokaryotes, including the catabolic pathways for its degradation and the catabolic genes that encode the enzymes of these pathways, have been systemically investigated. In this review, the three known pathways for nicotine catabolism in bacteria are summarized: the pyridine pathway, the pyrrolidine pathway, and a variation of the pyridine and pyrrolidine pathway (VPP pathway). The three nicotine catabolic pathways appear to have evolved separately in three distantly related lineages of bacteria. However, the general mechanism for the breakdown of the nicotine molecule in all three pathways is conserved and can be divided into six major enzymatic steps or catabolic modules that involve hydroxylation of the pyridine ring, dehydrogenation of the pyrrolidine ring, cleavage of the side chain, cleavage of the pyridine ring, dehydrogenation of the side chain, and deamination of pyridine ring-lysis products. In addition to summarizing our current understanding of nicotine degradation pathways, we identified several potential nicotine-degrading bacteria whose genome sequences are in public databases by comparing the sequences of conserved catabolic enzymes. Finally, several uncharacterized genes that are colocalized with nicotine degradation genes and are likely to be involved in nicotine catabolism, including regulatory genes, methyl-accepting chemotaxis protein genes, transporter genes, and cofactor genes are discussed. This review provides a comprehensive overview of the catabolism of nicotine in prokaryotes and highlights aspects of the process that still require additional research.
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Affiliation(s)
- Yang Mu
- Department of Microbiology, College of Life Sciences, Key Laboratory of Environmental Microbiology for Agriculture, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, 210095, China; Department of Microbiology and Molecular Genetics, College of Biological Sciences, University of California, Davis, Davis, CA, USA
| | - Qing Chen
- College of Life Sciences, Zaozhuang University, Zaozhuang, 277160, China
| | - Rebecca E Parales
- Department of Microbiology and Molecular Genetics, College of Biological Sciences, University of California, Davis, Davis, CA, USA
| | - Zhenmei Lu
- College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Qing Hong
- Department of Microbiology, College of Life Sciences, Key Laboratory of Environmental Microbiology for Agriculture, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jian He
- Department of Microbiology, College of Life Sciences, Key Laboratory of Environmental Microbiology for Agriculture, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jiguo Qiu
- Department of Microbiology, College of Life Sciences, Key Laboratory of Environmental Microbiology for Agriculture, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Jiandong Jiang
- Department of Microbiology, College of Life Sciences, Key Laboratory of Environmental Microbiology for Agriculture, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, 210095, China.
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Wang H, Zhu P, Zhang Y, Sun K, Lu Z. ndpT encodes a new protein involved in nicotine catabolism by Sphingomonas melonis TY. Appl Microbiol Biotechnol 2018; 102:10171-10181. [PMID: 30229322 DOI: 10.1007/s00253-018-9371-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Revised: 08/28/2018] [Accepted: 09/12/2018] [Indexed: 11/26/2022]
Abstract
Sphingomonas melonis TY utilizes nicotine as a sole source of carbon, nitrogen, and energy to grow. One of the genes in its ndp catabolic cluster, ndpT, encodes a hypothetical transporter. Since no transporter for nicotine has been identified in microorganisms, we investigated whether NdpT is responsible for nicotine transport. ndpT was induced by nicotine, and gene knockout and complementation studies clearly indicated that ndpT is essential for the catabolism of nicotine in strain TY. NdpT-GFP was located at the periphery of the cells, suggesting that NdpT is a membrane protein. Uptake assays with L-[14C] nicotine illustrated that nicotine uptake in strain TY is mediated by a constitutively synthesized permease with a Km of 0.362 ± 0.07 μM and a Vmax of 0.762 ± 0.068 μmol min-1 (mg cell dry weight)-1 and that ndpT may play a role in nicotine exclusion. Hence, we consider NdpT a nicotine catabolism-related protein.
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Affiliation(s)
- Haixia Wang
- College of Life Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, People's Republic of China
| | - Panpan Zhu
- College of Life Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, People's Republic of China
| | - Ying Zhang
- College of Life Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, People's Republic of China
| | - Kaikai Sun
- College of Life Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, People's Republic of China
| | - Zhenmei Lu
- College of Life Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, People's Republic of China.
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Wang H, Xie C, Zhu P, Zhou NY, Lu Z. Two Novel Sets of Genes Essential for Nicotine Degradation by Sphingomonas melonis TY. Front Microbiol 2017; 7:2060. [PMID: 28144232 PMCID: PMC5239795 DOI: 10.3389/fmicb.2016.02060] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 12/07/2016] [Indexed: 11/13/2022] Open
Abstract
Nicotine is a type of environmental pollutant present in the tobacco waste that is generated during tobacco manufacturing. Sphingomonas melonis TY can utilize nicotine as a sole source of carbon, nitrogen and energy via a variant of the pyridine and pyrrolidine pathway (the VPP pathway). In this study, we report the identification of two novel sets of genes, ndrA1A2A3, and ndrB1B2B3B4, which are crucial for nicotine degradation by strain TY. ndrA1A2A3 and ndrB1B2B3B4 exhibit similarity with both nicotine dehydrogenase ndh from Arthrobacter nicotinovorans and nicotine hydroxylase vppA from Ochrobactrum sp. SJY1. The transcriptional levels of ndrA1A2A3 and ndrB1B2B3B4 in strain TY were significantly upregulated in the presence of nicotine. Furthermore, ndrA1 or ndrB2 knockout resulted in a loss of the ability to degrade nicotine, whereas gene complementation restored the capacity of each mutant to utilize nicotine for growth. Biodegradation assays indicated that the mutant strains retained the ability to degrade the first intermediate in the pathway, 6-hydroxynicotine (6 HN). However, heterologous expression of ndrA1A2A3 and ndrB1B2B3B4 did not confer nicotine dehydrogenase activity to E. coli DH5α, Pseudomonas putida KT2440 or Sphingomonas aquatilis. These results provide information on the VPP pathway of nicotine degradation in S. melonis TY, and we conclude that these two sets of genes have essential functions in the conversion of nicotine to 6 HN in strain TY.
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Affiliation(s)
- Haixia Wang
- Institute of Microbiology, College of Life Sciences, Zhejiang University Hangzhou, China
| | - Cuixiao Xie
- Institute of Microbiology, College of Life Sciences, Zhejiang University Hangzhou, China
| | - Panpan Zhu
- Institute of Microbiology, College of Life Sciences, Zhejiang University Hangzhou, China
| | - Ning-Yi Zhou
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University Shanghai, China
| | - Zhenmei Lu
- Institute of Microbiology, College of Life Sciences, Zhejiang University Hangzhou, China
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