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Zou H, Chen Y, Zhu X, Zhao X, Cao J, Chen Y, Zhang Z, Zhu Y, Li Q, Li M. Spinosad blocks CHRNA5 mediated EGFR signaling pathway activation to inhibit lung adenocarcinoma proliferation. Biomed Pharmacother 2024; 177:117105. [PMID: 39002438 DOI: 10.1016/j.biopha.2024.117105] [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: 04/26/2024] [Revised: 06/26/2024] [Accepted: 07/07/2024] [Indexed: 07/15/2024] Open
Abstract
Lung adenocarcinoma (LUAD) is the leading cause of cancer death worldwide, with high incidence and low survival rates. Nicotinic acetylcholine receptors play an important role in the progression of LUAD. In this study, a screening of 17 nicotinic acetylcholine receptor allosteric agents revealed that spinosad effectively suppressed the proliferation of LUAD cells. The experiments demonstrated that spinosad induced cell cycle arrest in the G1 phase and stimulated apoptosis, thereby impeding the growth of LUAD and enhancing the responsiveness to gefitinib in vitro and vivo. Mechanistic insights obtained through transcriptome sequencing, Co-IP, and protein immunoblots indicated that spinosad disrupted the interaction between CHRNA5 and EGFR, thereby inhibiting the formation of downstream complexes and activation of the EGFR signaling pathway. The supplementation of exogenous acetylcholine showed to mitigate the inhibition of LUAD cell proliferation induced by spinosad. This study elucidates the therapeutic effects and mechanisms of spinosad in LUAD, and offers a theoretical and experimental foundation for novel LUAD treatments.
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Affiliation(s)
- Hongling Zou
- College of Life Science, Sichuan Normal University, Chengdu, Sichuan 610101, China; Cancer Institute of Integrative Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310012, China
| | - Yan Chen
- Zhuji People's Hospital Affiliated to Wenzhou Medical University, Zhuji, Zhejiang 311899, China
| | - Xinping Zhu
- Cancer Institute of Integrative Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310012, China
| | - Xinyun Zhao
- College of Life Science, Sichuan Normal University, Chengdu, Sichuan 610101, China; Cancer Institute of Integrative Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310012, China
| | - Jili Cao
- Cancer Institute of Integrative Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310012, China
| | - Yuxin Chen
- Cancer Institute of Integrative Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310012, China; Hangzhou Medical College, Hangzhou, Zhejiang 310059, China
| | - Ziru Zhang
- Cancer Institute of Integrative Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310012, China; Hangzhou Medical College, Hangzhou, Zhejiang 310059, China
| | - Yongqiang Zhu
- Cancer Institute of Integrative Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310012, China
| | - Qun Li
- College of Life Science, Sichuan Normal University, Chengdu, Sichuan 610101, China.
| | - Mingqian Li
- Cancer Institute of Integrative Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310012, China; Hangzhou Medical College, Hangzhou, Zhejiang 310059, China.
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Wang J, Liu K, Li J, Zhang H, Gong X, Song X, Wei M, Hu Y, Li J. Identifying and assessing a prognostic model based on disulfidptosis-related genes: implications for immune microenvironment and tumor biology in lung adenocarcinoma. Front Immunol 2024; 15:1371831. [PMID: 38840910 PMCID: PMC11150594 DOI: 10.3389/fimmu.2024.1371831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 05/02/2024] [Indexed: 06/07/2024] Open
Abstract
Introduction Lung cancer, with the highest global mortality rate among cancers, presents a grim prognosis, often diagnosed at an advanced stage in nearly 70% of cases. Recent research has unveiled a novel mechanism of cell death termed disulfidptosis, which is facilitated by glucose scarcity and the protein SLC7A11. Methods Utilizing the least absolute shrinkage and selection operator (LASSO) regression analysis combined with Cox regression analysis, we constructed a prognostic model focusing on disulfidptosis-related genes. Nomograms, correlation analyses, and enrichment analyses were employed to assess the significance of this model. Among the genes incorporated into the model, CHRNA5 was selected for further investigation regarding its role in LUAD cells. Biological functions of CHRNA5 were assessed using EdU, transwell, and CCK-8 assays. Results The efficacy of the model was validated through internal testing and an external validation set, with further evaluation of its robustness and clinical applicability using a nomogram. Subsequent correlation analyses revealed associations between the risk score and infiltration of various cancer types, as well as oncogene expression. Enrichment analysis also identified associations between the risk score and pivotal biological processes and KEGG pathways. Our findings underscore the significant impact of CHRNA5 on LUAD cell proliferation, migration, and disulfidptosis. Conclusion This study successfully developed and validated a robust prognostic model centered on disulfidptosis-related genes, providing a foundation for predicting prognosis in LUAD patients.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Jianxiang Li
- School of Public Health, Suzhou Medical College of Soochow University, Jiangsu, Suzhou, China
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Al Khashali H, Ray R, Darweesh B, Wozniak C, Haddad B, Goel S, Seidu I, Khalil J, Lopo B, Murshed N, Guthrie J, Heyl D, Evans HG. Amyloid Beta Leads to Decreased Acetylcholine Levels and Non-Small Cell Lung Cancer Cell Survival via a Mechanism That Involves p38 Mitogen-Activated Protein Kinase and Protein Kinase C in a p53-Dependent and -Independent Manner. Int J Mol Sci 2024; 25:5033. [PMID: 38732252 PMCID: PMC11084752 DOI: 10.3390/ijms25095033] [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: 04/11/2024] [Revised: 04/27/2024] [Accepted: 05/03/2024] [Indexed: 05/13/2024] Open
Abstract
Several studies have shown an inverse correlation between the likelihood of developing a neurodegenerative disorder and cancer. We previously reported that the levels of amyloid beta (Aβ), at the center of Alzheimer's disease pathophysiology, are regulated by acetylcholinesterase (AChE) in non-small cell lung cancer (NSCLC). Here, we examined the effect of Aβ or its fragments on the levels of ACh in A549 (p53 wild-type) and H1299 (p53-null) NSCLC cell media. ACh levels were reduced by cell treatment with Aβ 1-42, Aβ 1-40, Aβ 1-28, and Aβ 25-35. AChE and p53 activities increased upon A549 cell treatment with Aβ, while knockdown of p53 in A549 cells increased ACh levels, decreased AChE activity, and diminished the Aβ effects. Aβ increased the ratio of phospho/total p38 MAPK and decreased the activity of PKC. Inhibiting p38 MAPK reduced the activity of p53 in A549 cells and increased ACh levels in the media of both cell lines, while opposite effects were found upon inhibiting PKC. ACh decreased the activity of p53 in A549 cells, decreased p38 MAPK activity, increased PKC activity, and diminished the effect of Aβ on those activities. Moreover, the negative effect of Aβ on cell viability was diminished by cell co-treatment with ACh.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Hedeel Guy Evans
- Chemistry Department, Eastern Michigan University, Ypsilanti, MI 48197, USA; (H.A.K.); (R.R.); (B.D.); (C.W.); (B.H.); (S.G.); (I.S.); (J.K.); (B.L.); (N.M.); (J.G.); (D.H.)
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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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Pyun H, Gunathilake M, Lee J, Choi IJ, Kim YI, Sung J, Kim J. Functional Annotation and Gene Set Analysis of Gastric Cancer Risk Loci in a Korean Population. Cancer Res Treat 2024; 56:191-198. [PMID: 37340842 PMCID: PMC10789951 DOI: 10.4143/crt.2022.958] [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: 08/13/2022] [Accepted: 06/17/2023] [Indexed: 06/22/2023] Open
Abstract
PURPOSE We aimed to identify the associated single nucleotide polymorphisms (SNPs) with gastric cancer (GC) risk by genome-wide association study (GWAS) and to explore the pathway enrichment of implicated genes and gene-sets with expression patterns. MATERIALS AND METHODS The study population was comprised of 1,253 GC cases and 4,827 controls from National Cancer Center and an urban community of the Korean Genome Epidemiology Study and their genotyping was performed. SNPs were annotated, and mapped to genes to prioritize by three mapping approaches by functional mapping and annotation (FUMA). The gene-based analysis and gene-set analysis were conducted with full GWAS summary data using MAGMA. Gene-set pathway enrichment test with those prioritized genes were performed. RESULTS In GWAS, rs2303771, a nonsynonymous variant of KLHDC4 gene was top SNP associated significantly with GC (odds ratio, 2.59; p=1.32×10-83). In post-GWAS, 71 genes were prioritized. In gene-based GWAS, seven genes were under significant p < 3.80×10-6 (0.05/13,114); DEFB108B had the lowest p=5.94×10-15, followed by FAM86C1 (p=1.74×10-14), PSCA (p=1.81×10-14), and KLHDC4 (p=5.00×10-10). In gene prioritizing, KLDHC4 was the only gene mapped with all three gene-mapping approaches. In pathway enrichment test with prioritized genes, FOLR2, PSCA, LY6K, LYPD2, and LY6E showed strong enrichment related to cellular component of membrane; a post-translation modification by synthesis of glycosylphosphatidylinositol (GPI)-anchored proteins pathway. CONCLUSION While 37 SNPs were significantly associated with the risk of GC, genes involved in signaling pathways related to purine metabolism and GPI-anchored protein in cell membrane are pinpointed to be playing important role in GC.
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Affiliation(s)
- Hyojin Pyun
- Division of Genome and Health Big Data, Department of Public Health Sciences, Graduate School of Public Health, Seoul National University, Seoul,
Korea
- Department of Cancer Biomedical Science, Graduate School of Cancer Science and Policy, Goyang,
Korea
| | - Madhawa Gunathilake
- Department of Cancer Biomedical Science, Graduate School of Cancer Science and Policy, Goyang,
Korea
| | - Jeonghee Lee
- Department of Cancer Biomedical Science, Graduate School of Cancer Science and Policy, Goyang,
Korea
| | - Il Ju Choi
- Center for Gastric Cancer, National Cancer Center Hospital, National Cancer Center, Goyang,
Korea
| | - Young-Il Kim
- Center for Gastric Cancer, National Cancer Center Hospital, National Cancer Center, Goyang,
Korea
| | - Joohon Sung
- Division of Genome and Health Big Data, Department of Public Health Sciences, Graduate School of Public Health, Seoul National University, Seoul,
Korea
- Institute of Health and Environment, Seoul National University, Seoul,
Korea
| | - Jeongseon Kim
- Department of Cancer Biomedical Science, Graduate School of Cancer Science and Policy, Goyang,
Korea
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Zhu P, Jin Z, Kang G, Jia Y, Liu D, Zhang Q, Guo F, Jia Y, Jiao Y, Li J, Sun H, Ma X. Alpha5 nicotinic acetylcholine receptor mediated immune escape of lung adenocarcinoma via STAT3/Jab1-PD-L1 signalling. Cell Commun Signal 2022; 20:121. [PMID: 35971127 PMCID: PMC9377093 DOI: 10.1186/s12964-022-00934-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 07/08/2022] [Indexed: 12/04/2022] Open
Abstract
Background Immunotherapy has proven to be an emerging treatment for non-small-cell lung cancer in recent years. Notably, smokers show higher programmed cell death ligand-1 (PD-L1) expression and better responses to PD-1/PD-L1 inhibitors than nonsmokers. Genome-wide association studies show that the CHRNΑ5 encoding α5-nicotinic acetylcholine receptor (α5-nAChR) is especially relevant to lung cancer and nicotine dependence. Jab1 is a key regulatory factor and promotes the stabilization of PD-L1. Our previous study reported that α5-nAChR mediates lung adenocarcinoma (LUAD) epithelial-mesenchymal transition (EMT) and metastasis via STAT3/Jab1. However, the link between α5-nAChR and PD-L1 is unclear in LUAD. Methods We used various bioinformatics databases to analyze the expression of related genes and their correlations. Expression and clinicopathologic significance of α5-nAChR and PD-L1 were detected by immunohistochemistry in a tissue microarray. α5-nAChR regulated LUAD cell immune escape by targeting the STAT3/Jab1-PD-L1 signalling by Western-blotting and ChIP in vitro. We used T cell coculture, flow cytometry, ELISA, CCK8 assay and crystal violet staining to detect the expression of regulatory T cell (Tregs), IFN-γ, IL-2 and the ability of T cell-mediated tumour cell killing respectively. IF assays were performed in both cancer cells and tumour xenograft paraffin sections to analyze the protein expression. The in vivo experiments in mouse model were performed to show the α5-nAChR-mediated immune escape via PD-L1 pathway. Results The expression of α5-nAChR was correlated with PD-L1 expression, smoking status and lower survival of LUAD in vivo. In vitro, the expression of α5-nAChR mediated phosphorylated STAT3 (pSTAT3), Jab1 and PD-L1 expression. STAT3 bound to the Jab1 or PD-L1 promoter and mediated PD-L1 expression. Jab1 stabilized PD-L1 expression in LUAD cells. Furthermore, in primary T cell cocultured system, downregulation of α5-nAChR suppressed the function of CD4+CD25+FOXP3+ Tregs, enhanced IFN-γ secretion, and increased T cell-mediated killing of LUAD cells. In the Jurkat T cells and LUAD cells coculture assay, inhibition of α5-nAChR increased IL-2 secretion. In tumour xenograft tissues, α5-nAChR expression was related to PD-L1, Jab1, pSTAT3, CD4 and granzyme B expression (GB). Conclusions Our results suggest that the novel α5-nAChR/STAT3-Jab1-PD-L1 axis is involved in LUAD immune escape, which could lead to potential therapeutic strategies for cancer immunotherapy. Video abstract
Supplementary Information The online version contains supplementary material available at 10.1186/s12964-022-00934-z.
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Affiliation(s)
- Ping Zhu
- Research Center of Basic Medicine, Central Hospital Affiliated to Shandong First Medical University, Jinan, China.,Department of Medical Laboratory, Weifang Medical University, Weifang, China
| | - Zhengxin Jin
- Research Center of Basic Medicine, Central Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Guiyu Kang
- Department of Medical Laboratory, Weifang Medical University, Weifang, China
| | - Yanfei Jia
- Research Center of Basic Medicine, Central Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Duanrui Liu
- Research Center of Basic Medicine, Jinan Central Hospital, Shandong University, Jinan, China
| | - Qian Zhang
- Research Center of Basic Medicine, Jinan Central Hospital, Shandong University, Jinan, China
| | - Feiyang Guo
- College of Life Science, Shandong Normal University, Jinan, China
| | - Ying Jia
- Research Center of Basic Medicine, Jinan Central Hospital, Shandong University, Jinan, China
| | - Yang Jiao
- Research Center of Basic Medicine, Jinan Central Hospital, Shandong University, Jinan, China
| | - Jingtan Li
- Research Center of Basic Medicine, Jinan Central Hospital, Shandong University, Jinan, China
| | - Haiji Sun
- College of Life Science, Shandong Normal University, Jinan, China
| | - Xiaoli Ma
- Research Center of Basic Medicine, Central Hospital Affiliated to Shandong First Medical University, Jinan, China. .,Department of Medical Laboratory, Weifang Medical University, Weifang, China. .,Research Center of Basic Medicine, Jinan Central Hospital, Shandong University, Jinan, China.
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Insights into the Mechanisms of Action of Proanthocyanidins and Anthocyanins in the Treatment of Nicotine-Induced Non-Small Cell Lung Cancer. Int J Mol Sci 2022; 23:ijms23147905. [PMID: 35887251 PMCID: PMC9316101 DOI: 10.3390/ijms23147905] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 07/15/2022] [Accepted: 07/16/2022] [Indexed: 02/04/2023] Open
Abstract
In traditional medicine, different parts of plants, including fruits, have been used for their anti-inflammatory and anti-oxidative properties. Plant-based foods, such as fruits, seeds and vegetables, are used for therapeutic purposes due to the presence of flavonoid compounds. Proanthocyanidins (PCs) and anthocyanins (ACNs) are the major distributed flavonoid pigments in plants, which have therapeutic potential against certain chronic diseases. PCs and ACNs derived from plant-based foods and/or medicinal plants at different nontoxic concentrations have shown anti-non-small cell lung cancer (NSCLC) activity in vitro/in vivo models through inhibiting proliferation, invasion/migration, metastasis and angiogenesis and by activating apoptosis/autophagy-related mechanisms. However, the potential mechanisms by which these compounds exert efficacy against nicotine-induced NSCLC are not fully understood. Thus, this review aims to gain insights into the mechanisms of action and therapeutic potential of PCs and ACNs in nicotine-induced NSCLC.
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Calaf GM, Crispin LA, Muñoz JP, Aguayo F, Bleak TC. Muscarinic Receptors Associated with Cancer. Cancers (Basel) 2022; 14:cancers14092322. [PMID: 35565451 PMCID: PMC9100020 DOI: 10.3390/cancers14092322] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 04/26/2022] [Accepted: 04/30/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary Recently, cancer research has described the presence of the cholinergic machinery, specifically muscarinic receptors, in a wide variety of cancers due to their activation and signaling pathways associated with tumor progression and metastasis, providing a wide overview of their contribution to different cancer formation and development for new antitumor targets. This review focused on determining the molecular signatures associated with muscarinic receptors in breast and other cancers and the need for pharmacological, molecular, biochemical, technological, and clinical approaches to improve new therapeutic targets. Abstract Cancer has been considered the pathology of the century and factors such as the environment may play an important etiological role. The ability of muscarinic agonists to stimulate growth and muscarinic receptor antagonists to inhibit tumor growth has been demonstrated for breast, melanoma, lung, gastric, colon, pancreatic, ovarian, prostate, and brain cancer. This work aimed to study the correlation between epidermal growth factor receptors and cholinergic muscarinic receptors, the survival differences adjusted by the stage clinical factor, and the association between gene expression and immune infiltration level in breast, lung, stomach, colon, liver, prostate, and glioblastoma human cancers. Thus, targeting cholinergic muscarinic receptors appears to be an attractive therapeutic alternative due to the complex signaling pathways involved.
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Affiliation(s)
- Gloria M. Calaf
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
- Correspondence:
| | - Leodan A. Crispin
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
| | - Juan P. Muñoz
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
| | - Francisco Aguayo
- Laboratorio de Oncovirología, Programa de Virología, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago 8380000, Chile;
| | - Tammy C. Bleak
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
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Fu Y, Ci H, Du W, Dong Q, Jia H. CHRNA5 Contributes to Hepatocellular Carcinoma Progression by Regulating YAP Activity. Pharmaceutics 2022; 14:pharmaceutics14020275. [PMID: 35214008 PMCID: PMC8877699 DOI: 10.3390/pharmaceutics14020275] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/15/2022] [Accepted: 01/20/2022] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is a major health concern worldwide. A better understanding of the mechanisms underlying the malignant phenotype is necessary for developing novel therapeutic strategies for HCC. Signaling pathways initiated by neurotransmitter receptors, such as α5-nicotinic acetylcholine receptor (CHRNA5), have been reported to be implicated in tumor progression. However, the functional mechanism of CHRNA5 in HCC remains unclear. In this study, we explored the role of CHRNA5 in HCC and found that CHRNA5 expression was increased in human HCC tissues and positively correlated with the T stage (p < 0.05) and AJCC phase (p < 0.05). The KM plotter database showed that the high expression level of CHRNA5 was strongly associated with worse survival in HCC patients. Both in vitro and in vivo assays showed that CHRNA5 regulates the proliferation ability of HCC by regulating YAP activity. In addition, CHRNA5 promotes the stemness of HCC by regulating stemness-associated genes, such as Nanog, Sox2 and OCT4. Cell migration and invasion assays demonstrated that CHRNA5 significantly enhanced the metastasis of HCC by regulating epithelial–mesenchymal transition (EMT)-associated genes. Furthermore, we found that CHRNA5 regulates the sensitivity of sorafenib in HCC. Our findings suggest that CHRNA5 plays a key role in the progression and drug resistance of HCC, and targeting CHRNA5 may be a strategy for the treatment of HCC.
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Affiliation(s)
- Yan Fu
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China; (Y.F.); (H.C.); (W.D.)
| | - Hongfei Ci
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China; (Y.F.); (H.C.); (W.D.)
| | - Wei Du
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China; (Y.F.); (H.C.); (W.D.)
| | - Qiongzhu Dong
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China; (Y.F.); (H.C.); (W.D.)
- Key Laboratory of Whole-Period Monitoring and Precise Intervention of Digestive Cancer, Shanghai Municipal Health Commission (SMHC), Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai 200437, China
- Correspondence: (Q.D.); (H.J.); Tel./Fax: +86-21-5423-7960 (Q.D.); +86-21-5288-7175 (H.J.)
| | - Huliang Jia
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China; (Y.F.); (H.C.); (W.D.)
- Correspondence: (Q.D.); (H.J.); Tel./Fax: +86-21-5423-7960 (Q.D.); +86-21-5288-7175 (H.J.)
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Abstract
The enzyme acetylcholinesterase (AChE) is a serine hydrolase whose primary function is to degrade acetylcholine (ACh) and terminate neurotransmission. Apart from its role in synaptic transmission, AChE has several "non-classical" functions in non-neuronal cells. AChE is involved in cellular growth, apoptosis, drug resistance pathways, response to stress signals and inflammation. The observation that the functional activity of AChE is altered in human tumors (relative to adjacent matched normal tissue) has raised several intriguing questions about its role in the pathophysiology of human cancers. Published reports show that AChE is a vital regulator of oncogenic signaling pathways involving proliferation, differentiation, cell-cell adhesion, migration, invasion and metastasis of primary tumors. The objective of this book chapter is to provide a comprehensive overview of the contributions of the AChE-signaling pathway in the growth of progression of human cancers. The AChE isoforms, AChE-T, AChE-R and AChE-S are robustly expressed in human cancer cell lines as well in human tumors (isolated from patients). Traditionally, AChE-modulators have been used in the clinic for treatment of neurodegenerative disorders. Emerging studies reveal that these drugs could be repurposed for the treatment of human cancers. The discovery of potent, selective AChE ligands will provide new knowledge about AChE-regulatory pathways in human cancers and foster the hope of novel therapies for this disease.
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Affiliation(s)
- Stephen D Richbart
- Department of Biomedical Sciences, Toxicology Research Cluster, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, United States
| | - Justin C Merritt
- Department of Biomedical Sciences, Toxicology Research Cluster, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, United States
| | - Nicholas A Nolan
- West Virginia University Medical School, Morgantown, WV, United States
| | - Piyali Dasgupta
- Department of Biomedical Sciences, Toxicology Research Cluster, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, United States.
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Yi X, Li W, Wang Y, Chen X, Ye F, Sun G, Chen J. The relationship between CHRNA5/A3/B4 gene cluster polymorphisms and lung cancer risk: An updated meta-analysis and systematic review. Medicine (Baltimore) 2021; 100:e24355. [PMID: 33578531 PMCID: PMC7886493 DOI: 10.1097/md.0000000000024355] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Accepted: 12/22/2020] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Genetic polymorphisms in the 15q25 region have been associated with the risk of lung cancer (LC). However, studies have yielded conflicting results. METHODS Searches were conducted in databases, including PubMed, EMbase, Web of Science, CNKI, and Wanfang, for case-control studies up to August 1, 2019. After retrieving eligible studies and data extraction, we calculated pooled odds ratios with 95% confidence intervals. In the meta-analysis, we included 32 publications with a total of 52,795 patients with LC and 97,493 control cases to evaluate the polymorphisms in the CHRNA5/A3/B4 gene cluster in the 15q25 region. RESULTS Data of the meta-analysis showed a significantly increased risk of LC in the presence of genetic polymorphisms (rs1051730, rs16969968, rs8034191). In the smoking subgroup, the CHRNA3 rs1051730 polymorphism was found to contribute to LC risk using following 5 models: the allelic model, the homozygous model, the heterozygous model, the dominant model, and the recessive model. Thus, the rs1051730 polymorphism may modify LC susceptibility under the condition of smoking. Stratification studies for CHRNA5-rs8034191 showed that Caucasian groups with the wild-type genotype (C/C) may be susceptible to LC in all 5 models. No significant relationship between CHRNA3 rs6495309 or rs3743073 and LC susceptibility was found. However, Asians with the rs3743037 B-allele showed an obviously higher risk of LC susceptibility than the Caucasian population, observed via allelic, heterozygous, and dominant models. CONCLUSIONS The 3 polymorphisms of rs1051730, rs16969968 and rs8034191 in the CHRNA5/A3/B4 gene cluster in the 15q25 region were associated with LC risk, which might be influenced by ethnicity and smoking status.
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Affiliation(s)
- Xingxu Yi
- Department of Pathology and Laboratory Medicine, Hefei Cancer Hospital, Chinese Academy of Sciences
| | - Wanzhen Li
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Anhui Medical University
| | - Yiyuan Wang
- Division of Life Sciences and Medicine, the First Affiliated Hospital of USTC, University of Science and Technology of China, Anhui Provincial Hospital, Hefei, Anhui
| | - Xueran Chen
- Department of Pathology and Laboratory Medicine, Hefei Cancer Hospital, Chinese Academy of Sciences
| | - Fang Ye
- Department of Pathology and Laboratory Medicine, Hefei Cancer Hospital, Chinese Academy of Sciences
| | - Gengyun Sun
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Anhui Medical University
| | - Jingxian Chen
- National Clinical Research Center for Respiratory Diseases, Guangzhou Medical University & KingMed Diagnostics Inc., Guangzhou, China
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Mechanistic understanding of β-cryptoxanthin and lycopene in cancer prevention in animal models. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1865:158652. [PMID: 32035228 DOI: 10.1016/j.bbalip.2020.158652] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/26/2020] [Accepted: 01/28/2020] [Indexed: 02/07/2023]
Abstract
To better understand the potential function of carotenoids in the chemoprevention of cancers, mechanistic understanding of carotenoid action on genetic and epigenetic signaling pathways is critically needed for human studies. The use of appropriate animal models is the most justifiable approach to resolve mechanistic issues regarding protective effects of carotenoids at specific organs and tissue sites. While the initial impetus for studying the benefits of carotenoids in cancer prevention was their antioxidant capacity and pro-vitamin A activity, significant advances have been made in the understanding of the action of carotenoids with regards to other mechanisms. This review will focus on two common carotenoids, provitamin A carotenoid β-cryptoxanthin and non-provitamin A carotenoid lycopene, as promising chemopreventive agents or chemotherapeutic compounds against cancer development and progression. We reviewed animal studies demonstrating that β-cryptoxanthin and lycopene effectively prevent the development or progression of various cancers and the potential mechanisms involved. We highlight recent research that the biological functions of β-cryptoxanthin and lycopene are mediated, partially via their oxidative metabolites, through their effects on key molecular targeting events, such as NF-κB signaling pathway, RAR/PPARs signaling, SIRT1 signaling pathway, and p53 tumor suppressor pathways. The molecular targets by β-cryptoxanthin and lycopene, offer new opportunities to further our understanding of common and distinct mechanisms that involve carotenoids in cancer prevention. This article is part of a Special Issue entitled Carotenoids recent advances in cell and molecular biology edited by Johannes von Lintig and Loredana Quadro.
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Chen X, Jia Y, Zhang Y, Zhou D, Sun H, Ma X. α5-nAChR contributes to epithelial-mesenchymal transition and metastasis by regulating Jab1/Csn5 signalling in lung cancer. J Cell Mol Med 2020; 24:2497-2506. [PMID: 31930655 PMCID: PMC7028847 DOI: 10.1111/jcmm.14941] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 10/31/2019] [Accepted: 11/26/2019] [Indexed: 12/14/2022] Open
Abstract
Recent studies have showed that α5 nicotinic acetylcholine receptor (α5‐nAChR) is closely associated with nicotine‐related lung cancer. Our previous studies also demonstrated that α5‐nAChR mediates nicotine‐induced lung carcinogenesis. However, the mechanism by which α5‐nAChR functions in lung carcinogenesis remains to be elucidated. Jab1/Csn5 is a key regulatory factor in smoking‐induced lung cancer. In this study, we explored the underlying mechanisms linking the α5‐nAChR‐Jab1/Csn5 axis with lung cancer epithelial‐mesenchymal transition (EMT) and metastasis, which may provide potential therapeutic targets for future lung cancer treatments. Our results demonstrated that the expression of α5‐nAChR was correlated with the expression of Jab1/Csn5 in lung cancer tissues and lung cancer cells. α5‐nAChR expression is associated with Jab1/Csn5 expression in lung tumour xenografts in mice. In vitro, the expression of α5‐nAChR mediated Stat3 and Jab1/Csn5 expression, significantly regulating the expression of the EMT markers, N‐cadherin and Vimentin. In addition, the down‐regulation of α5‐nAChR or/and Stat3 reduced Jab1/Csn5 expression, while the silencing of α5‐nAChR or Jab1/Csn5 inhibited the migration and invasion of NSCLC cells. Mechanistically, α5‐nAChR contributes to EMT and metastasis by regulating Stat3‐Jab1/Csn5 signalling in NSCLC, suggesting that α5‐nAChR may be a potential target in NSCLC diagnosis and immunotherapy.
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Affiliation(s)
- Xiaowei Chen
- Central Laboratory, Jinan Central Hospital Affiliated to Shandong University, Jinan, China
| | - Yanfei Jia
- Central Laboratory, Jinan Central Hospital Affiliated to Shandong University, Jinan, China
| | | | - Dajie Zhou
- Weifang Medical University, Weifang, China
| | - Haiji Sun
- Key Laboratory of Animal Resistance Biology of Shandong Province, School of Life Science, Shandong Normal University, Jinan, China
| | - Xiaoli Ma
- Central Laboratory, Jinan Central Hospital Affiliated to Shandong University, Jinan, China
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α7-Nicotinic Acetylcholine Receptor Promotes Cholangiocarcinoma Progression and Epithelial-Mesenchymal Transition Process. Dig Dis Sci 2019; 64:2843-2853. [PMID: 30949902 DOI: 10.1007/s10620-019-05609-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 03/27/2019] [Indexed: 02/08/2023]
Abstract
BACKGROUND Cholangiocarcinoma is one of the most deadly malignant tumors characterized by a tendency of local invasiveness and metastasis at the early phase, high recurrence rate, and difficulty in treatment. Alpha7-nicotinic acetylcholine receptor (α7-nAChR) is highly expressed in a variety of tumors, including cholangiocarcinoma, and may promote tumor progression, but the mechanisms are largely unknown. AIMS Our study is the first to expound upon the role that α7-nAChR plays in cholangiocarcinoma. METHODS We assessed 50 human cholangiocarcinoma tissue samples and 20 normal biliary samples using immunohistochemical staining to find the correlation between α7-nAChR expression and clinicopathological characteristics. We used human cholangiocarcinoma cell lines QBC939 and RBE and α7-nAChR gene knockdown RBE cell lines generated by shRNA lentivirus transfection to investigate the biological functions of α7-nAChR in proliferation, apoptosis, migration, and invasiveness in vitro. Further, western blotting was used to detect apoptosis and epithelial-mesenchymal transition (EMT)-related signaling proteins. Cholangiocarcinoma xenografts in nude mice were used for tumorigenicity assays in vivo. RESULTS The expression of α7-nAChR was high in cholangiocarcinoma tissues and was closely related to a shorter survival time in patients. α7-nAChR knockdown decreased cell proliferation ability, increased early apoptosis, and weakened cell migration and invasion. Apoptosis-related proteins and components of the EMT process were altered after α7-nAChR knockdown. Moreover, nude mice xenograft experiments confirmed that α7-nAChR could promote cholangiocarcinoma in vitro. CONCLUSIONS Overexpression of α7-nAChR induces cholangiocarcinoma progression by blocking apoptosis and promoting the EMT process. As an effective molecular biomarker and prognostic factor, α7-nAChR is a promising therapeutic target in cholangiocarcinoma.
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15
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Hopkins RJ, Young RP. Mevalonate signaling, COPD and cancer: the statins and beyond. J Investig Med 2019; 67:711-714. [PMID: 30787037 DOI: 10.1136/jim-2018-000829] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/12/2019] [Indexed: 01/12/2023]
Abstract
Evidence suggests that smoking confers a persistent and/or exaggerated inflammatory response in the lungs that, with underlying genetic susceptibility, may result in lung remodeling and impaired repair. The innate immune response to smoking described above, which is modified by the mevalonate pathway, provides a plausible pathogenic link between the development of chronic obstructive pulmonary disease and lung cancer. The mevalonate pathway modifies innate responsiveness through important intracellular signaling molecules called guanine phosphate transferases (GTPases) such as Rho-A. Smoke exposure activates cell surface proteins which, through the mediating influence of GTPases, then modifies the activation of nuclear factor kappa -light-chain-enhancer of activated B cells (NFĸB) its downstream effects on genes underlying innate immunity, neutrophilic inflammation and carcinogenesis. The mevalonate pathway is modifiable through the enzyme 3-hydroxy-3-methyl-glutaryl-Coenzyme A (HMGCo-A) reductase. This enzyme controls the rate limiting step of the mevalonate pathway and is subject to inhibition by statin drugs (HMGCo-A reductase inhibitors) and small chain fatty acids derived from high dietary fiber intake. Ths, inhibitory effect dampens the innate immune response to smoking and may modify pulmonary inflammation and lung remodeling. This article is a symposia summary outlining the preclinical and clinical data suggesting that statins and a high-fiber diet may have a chemopreventive effect on lung cancer.
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Affiliation(s)
- Raewyn J Hopkins
- Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Robert P Young
- Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
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Abstract
The neurotransmitter acetylcholine (ACh) acts as an autocrine growth factor for human lung cancer. Several lines of evidence show that lung cancer cells express all of the proteins required for the uptake of choline (choline transporter 1, choline transporter-like proteins) synthesis of ACh (choline acetyltransferase, carnitine acetyltransferase), transport of ACh (vesicular acetylcholine transport, OCTs, OCTNs) and degradation of ACh (acetylcholinesterase, butyrylcholinesterase). The released ACh binds back to nicotinic (nAChRs) and muscarinic receptors on lung cancer cells to accelerate their proliferation, migration and invasion. Out of all components of the cholinergic pathway, the nAChR-signaling has been studied the most intensely. The reason for this trend is due to genome-wide data studies showing that nicotinic receptor subtypes are involved in lung cancer risk, the relationship between cigarette smoke and lung cancer risk as well as the rising popularity of electronic cigarettes considered by many as a "safe" alternative to smoking. There are a small number of articles which review the contribution of the other cholinergic proteins in the pathophysiology of lung cancer. The primary objective of this review article is to discuss the function of the acetylcholine-signaling proteins in the progression of lung cancer. The investigation of the role of cholinergic network in lung cancer will pave the way to novel molecular targets and drugs in this lethal malignancy.
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APS8 Delays Tumor Growth in Mice by Inducing Apoptosis of Lung Adenocarcinoma Cells Expressing High Number of α7 Nicotinic Receptors. Mar Drugs 2018; 16:md16100367. [PMID: 30282908 PMCID: PMC6213019 DOI: 10.3390/md16100367] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 09/21/2018] [Accepted: 09/29/2018] [Indexed: 01/03/2023] Open
Abstract
The alkylpyridinium polymer APS8, a potent antagonist of α7 nicotinic acetylcholine receptors (nAChRs), selectively induces apoptosis in non-small cell lung cancer cells but not in normal lung fibroblasts. To explore the potential therapeutic value of APS8 for at least certain types of lung cancer, we determined its systemic and organ-specific toxicity in mice, evaluated its antitumor activity against adenocarcinoma xenograft models, and examined the in-vitro mechanisms of APS8 in terms of apoptosis, cytotoxicity, and viability. We also measured Ca2+ influx into cells, and evaluated the effects of APS8 on Ca2+ uptake while siRNA silencing of the gene for α7 nAChRs, CHRNA7. APS8 was not toxic to mice up to 5 mg/kg i.v., and no significant histological changes were observed in mice that survived APS8 treatment. Repetitive intratumoral injections of APS8 (4 mg/kg) significantly delayed growth of A549 cell tumors, and generally prevented regrowth of tumors, but were less effective in reducing growth of HT29 cell tumors. APS8 impaired the viability of A549 cells in a dose-dependent manner and induced apoptosis at micro molar concentrations. Nano molar APS8 caused minor cytotoxic effects, while cell lysis occurred at APS8 >3 µM. Furthermore, Ca2+ uptake was significantly reduced in APS8-treated A549 cells. Observed differences in response to APS8 can be attributed to the number of α7 nAChRs expressed in these cells, with those with more AChRs (i.e., A549 cells) being more sensitive to nAChR antagonists like APS8. We conclude that α7 nAChR antagonists like APS8 have potential to be used as therapeutics for tumors expressing large numbers of α7 nAChRs.
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18
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Vaillancourt M, Chia P, Sarji S, Nguyen J, Hoftman N, Ruffenach G, Eghbali M, Mahajan A, Umar S. Autonomic nervous system involvement in pulmonary arterial hypertension. Respir Res 2017; 18:201. [PMID: 29202826 PMCID: PMC5715548 DOI: 10.1186/s12931-017-0679-6] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 11/13/2017] [Indexed: 01/28/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is a chronic pulmonary vascular disease characterized by increased pulmonary vascular resistance (PVR) leading to right ventricular (RV) failure. Autonomic nervous system involvement in the pathogenesis of PAH has been demonstrated several years ago, however the extent of this involvement is not fully understood. PAH is associated with increased sympathetic nervous system (SNS) activation, decreased heart rate variability, and presence of cardiac arrhythmias. There is also evidence for increased renin-angiotensin-aldosterone system (RAAS) activation in PAH patients associated with clinical worsening. Reduction of neurohormonal activation could be an effective therapeutic strategy for PAH. Although therapies targeting adrenergic receptors or RAAS signaling pathways have been shown to reverse cardiac remodeling and improve outcomes in experimental pulmonary hypertension (PH)-models, the effectiveness and safety of such treatments in clinical settings have been uncertain. Recently, novel direct methods such as cervical ganglion block, pulmonary artery denervation (PADN), and renal denervation have been employed to attenuate SNS activation in PAH. In this review, we intend to summarize the multiple aspects of autonomic nervous system involvement in PAH and overview the different pharmacological and invasive strategies used to target autonomic nervous system for the treatment of PAH.
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Affiliation(s)
- Mylène Vaillancourt
- Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine, David Geffen School of Medicine, University of California Los Angeles (UCLA), Los Angeles, CA, BH 520A CHS, USA
| | - Pamela Chia
- Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine, David Geffen School of Medicine, University of California Los Angeles (UCLA), Los Angeles, CA, BH 520A CHS, USA
| | - Shervin Sarji
- Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine, David Geffen School of Medicine, University of California Los Angeles (UCLA), Los Angeles, CA, BH 520A CHS, USA
| | - Jason Nguyen
- Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine, David Geffen School of Medicine, University of California Los Angeles (UCLA), Los Angeles, CA, BH 520A CHS, USA
| | - Nir Hoftman
- Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine, David Geffen School of Medicine, University of California Los Angeles (UCLA), Los Angeles, CA, BH 520A CHS, USA
| | - Gregoire Ruffenach
- Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine, David Geffen School of Medicine, University of California Los Angeles (UCLA), Los Angeles, CA, BH 520A CHS, USA
| | - Mansoureh Eghbali
- Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine, David Geffen School of Medicine, University of California Los Angeles (UCLA), Los Angeles, CA, BH 520A CHS, USA
| | - Aman Mahajan
- Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine, David Geffen School of Medicine, University of California Los Angeles (UCLA), Los Angeles, CA, BH 520A CHS, USA
| | - Soban Umar
- Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine, David Geffen School of Medicine, University of California Los Angeles (UCLA), Los Angeles, CA, BH 520A CHS, USA.
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Zhang Y, Jia Y, Li P, Li H, Xiao D, Wang Y, Ma X. Reciprocal activation of α5-nAChR and STAT3 in nicotine-induced human lung cancer cell proliferation. J Genet Genomics 2017; 44:355-362. [PMID: 28750889 DOI: 10.1016/j.jgg.2017.03.003] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 03/02/2017] [Accepted: 03/17/2017] [Indexed: 01/26/2023]
Abstract
Cigarette smoking is the top environmental risk factor for lung cancer. Nicotine, the addictive component of cigarettes, induces lung cancer cell proliferation, invasion and migration via the activation of nicotinic acetylcholine receptors (nAChRs). Genome-wide association studies (GWAS) show that CHRNA5 gene encoding α5-nAChR is especially relevant to lung cancer. However, the mechanism of this subunit in lung cancer is not clear. In the present study, we demonstrate that the expression of α5-nAChR is correlated with phosphorylated STAT3 (pSTAT3) expression, smoking history and lower survival of non-small cell lung cancer (NSCLC) samples. Nicotine increased the levels of α5-nAChR mRNA and protein in NSCLC cell lines and activated the JAK2/STAT3 signaling cascade. Nicotine-induced activation of JAK2/STAT3 signaling was inhibited by the silencing of α5-nAChR. Characterization of the CHRNA5 promoter revealed four STAT3-response elements. ChIP assays confirmed that the CHRNA5 promoter contains STAT3 binding sites. By silencing STAT3 expression, nicotine-induced upregulation of α5-nAChR was suppressed. Downregulation of α5-nAChR and/or STAT3 expression inhibited nicotine-induced lung cancer cell proliferation. These results suggest that there is a feedback loop between α5-nAChR and STAT3 that contributes to the nicotine-induced tumor cell proliferation, which indicates that α5-nAChR is an important therapeutic target involved in tobacco-associated lung carcinogenesis.
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Affiliation(s)
- Yao Zhang
- Central Laboratory, Jinan Central Hospital Affiliated to Shandong University, Jinan 250100, China
| | - Yanfei Jia
- Central Laboratory, Jinan Central Hospital Affiliated to Shandong University, Jinan 250100, China
| | - Ping Li
- Central Laboratory, Jinan Central Hospital Affiliated to Shandong University, Jinan 250100, China
| | - Huanjie Li
- Central Laboratory, Jinan Central Hospital Affiliated to Shandong University, Jinan 250100, China; State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, China
| | - Dongjie Xiao
- Central Laboratory, Jinan Central Hospital Affiliated to Shandong University, Jinan 250100, China
| | - Yunshan Wang
- Central Laboratory, Jinan Central Hospital Affiliated to Shandong University, Jinan 250100, China
| | - Xiaoli Ma
- Central Laboratory, Jinan Central Hospital Affiliated to Shandong University, Jinan 250100, China.
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20
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Baig AM, Ahmad HR. Evidence of a M1-muscarinic GPCR homolog in unicellular eukaryotes: featuring Acanthamoeba spp bioinformatics 3D-modelling and experimentations. J Recept Signal Transduct Res 2016; 37:267-275. [DOI: 10.1080/10799893.2016.1217884] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Abdul Mannan Baig
- Department of Biological and Biomedical Sciences, Aga Khan University, Karachi, Pakistan
| | - H. R. Ahmad
- Department of Biological and Biomedical Sciences, Aga Khan University, Karachi, Pakistan
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21
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Haussmann HJ, Fariss MW. Comprehensive review of epidemiological and animal studies on the potential carcinogenic effects of nicotine per se. Crit Rev Toxicol 2016; 46:701-34. [PMID: 27278157 PMCID: PMC5020336 DOI: 10.1080/10408444.2016.1182116] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Revised: 03/14/2016] [Accepted: 04/20/2016] [Indexed: 12/31/2022]
Abstract
The effects of long-term use of nicotine per se on cancer risk, in the absence of tobacco extract or smoke, are not clearly understood. This review evaluates the strength of published scientific evidence, in both epidemiological and animal studies, for the potential carcinogenic effects of nicotine per se; that is to act as a complete carcinogen or as a modulator of carcinogenesis. For human studies, there appears to be inadequate evidence for an association between nicotine exposure and the presence of or lack of a carcinogenic effect due to the limited information available. In animal studies, limited evidence suggests an association between long-term nicotine exposure and a lack of a complete carcinogenic effect. Conclusive studies using current bioassay guidelines, however, are missing. In studies using chemical/physical carcinogens or transgenic models, there appears to be inadequate evidence for an association between nicotine exposure and the presence of or lack of a modulating (stimulating) effect on carcinogenesis. This is primarily due to the large number of conflicting studies. In contrast, a majority of studies provides sufficient evidence for an association between nicotine exposure and enhanced carcinogenesis of cancer cells inoculated in mice. This modulating effect was especially prominent in immunocompromized mice. Overall, taking the human and animal studies into consideration, there appears to be inadequate evidence to conclude that nicotine per se does or does not cause or modulate carcinogenesis in humans. This conclusion is in agreement with the recent US Surgeon General's 2014 report on the health consequences of nicotine exposure.
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Campoy FJ, Vidal CJ, Muñoz-Delgado E, Montenegro MF, Cabezas-Herrera J, Nieto-Cerón S. Cholinergic system and cell proliferation. Chem Biol Interact 2016; 259:257-265. [PMID: 27083142 DOI: 10.1016/j.cbi.2016.04.014] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Revised: 04/05/2016] [Accepted: 04/08/2016] [Indexed: 12/31/2022]
Abstract
The cholinergic system, comprising acetylcholine, the proteins responsible for acetylcholine synthesis and release, acetylcholine receptors and cholinesterases, is expressed by most human cell types. Acetylcholine is a neurotransmitter, but also a local signalling molecule which regulates basic cell functions, and cholinergic responses are involved in cell proliferation and apoptosis. So, activation of nicotinic and muscarinic receptors has a proliferative and anti-apoptotic effect in many cells. The content of choline acetyltransferase, acetylcholine receptors and cholinesterases is altered in many tumours, and cholinesterase content correlates with patient survival in some cancers. During apoptosis, acetylcholinesterase is induced and appears in the nuclei. Acetylcholinesterase participates in the regulation of cell proliferation and apoptosis through hydrolysis of acetylcholine and by other catalytic and non catalytic mechanisms, in a variant-specific manner. This review gathers information on the role of cholinergic system and specially acetylcholinesterase in cell proliferation and apoptosis.
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Affiliation(s)
- F J Campoy
- Departamento de Bioquímica y Biología Molecular-A, Universidad de Murcia, IMIB, Regional Campus of International Excellence "Campus Mare Nostrum", E-30071 Murcia, Spain.
| | - C J Vidal
- Departamento de Bioquímica y Biología Molecular-A, Universidad de Murcia, IMIB, Regional Campus of International Excellence "Campus Mare Nostrum", E-30071 Murcia, Spain
| | - E Muñoz-Delgado
- Departamento de Bioquímica y Biología Molecular-A, Universidad de Murcia, IMIB, Regional Campus of International Excellence "Campus Mare Nostrum", E-30071 Murcia, Spain
| | - M F Montenegro
- Departamento de Bioquímica y Biología Molecular-A, Universidad de Murcia, IMIB, Regional Campus of International Excellence "Campus Mare Nostrum", E-30071 Murcia, Spain
| | - J Cabezas-Herrera
- Molecular Therapy and Biomarker Research Group, Clinical Analysis Service, University Hospital Virgen de la Arrixaca, IMIB-Arrixaca, E-30120 El Palmar, Murcia, Spain
| | - S Nieto-Cerón
- Molecular Therapy and Biomarker Research Group, Clinical Analysis Service, University Hospital Virgen de la Arrixaca, IMIB-Arrixaca, E-30120 El Palmar, Murcia, Spain
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Dang N, Meng X, Song H. Nicotinic acetylcholine receptors and cancer. Biomed Rep 2016; 4:515-518. [PMID: 27123240 PMCID: PMC4840641 DOI: 10.3892/br.2016.625] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Accepted: 03/01/2016] [Indexed: 12/14/2022] Open
Abstract
Nicotine, the primary addictive constituent of cigarettes, is believed to contribute to cancer promotion and progression through the activation of nicotinic acetylcholine receptors (nAChRs), which are membrane ligand-gated cation channels. nAChRs activation can be triggered by the neurotransmitter Ach, or certain other biological compounds, such as nicotine. In recent years, genome-wide association studies have indicated that allelic variation in the α5-α3-β4 nAChR cluster on chromosome 15q24-15q25.1 is associated with lung cancer risk. The role of nAChRs in other types of cancer has also been reported. The present review highlights the role of nAChRs in types of human cancer.
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Affiliation(s)
- Ningning Dang
- Department of Dermatology, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong 250013, P.R. China
| | - Xianguang Meng
- Department of Dermatology, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong 250013, P.R. China
| | - Haiyan Song
- Department of Dermatology, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong 250013, P.R. China
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Yoneyama R, Aoshiba K, Furukawa K, Saito M, Kataba H, Nakamura H, Ikeda N. Nicotine enhances hepatocyte growth factor-mediated lung cancer cell migration by activating the α7 nicotine acetylcholine receptor and phosphoinositide kinase-3-dependent pathway. Oncol Lett 2015; 11:673-677. [PMID: 26870265 DOI: 10.3892/ol.2015.3930] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Accepted: 10/30/2015] [Indexed: 12/26/2022] Open
Abstract
Cigarette smoking not only promotes lung carcinogenesis, but it has also been demonstrated to promote the progression of lung cancer. Despite nicotine being a major component of cigarette smoke, it is not carcinogenic when acting alone. Instead, it is believed to function as a tumor promoter. Due to the fatal consequences of lung cancer being primarily associated with the processes of invasion and metastasis, the present study aimed to determine the effect of nicotine on the migratory activity of lung cancer cells. The effect of nicotine on the migration of lung cancer A549 cells was evaluated by a wound healing assay. Hepatocyte growth factor (HGF) was used as a pro-migratory stimulus. During several of the experiments, specific inhibitors of α7-nicotine acetylcholine receptor (α7-nAchR), phosphoinositide kinase-3 (PI3K) and extracellular signal-related kinase (ERK)1/2 were included. The phosphorylation levels of Akt and ERK1/2 were examined using a cell-based protein phosphorylation assay. It was observed that nicotine did not induce cell migration by itself, but that it instead promoted HGF-induced cell migration. The effects of nicotine were inhibited by the pretreatment of the cells with the α7-nAchR inhibitor, methyllycaconitine, and the PI3K inhibitor, LY294002. The mitogen-activated protein kinase/ERK kinase kinase inhibitor exerted modest, but non-significant inhibitory activity on the effect of nicotine. Nicotine did not induce Akt phosphorylation by itself, but instead promoted the HGF-induced phosphorylation of Akt. It was also observed that nicotine had no effect on ERK1/2 phosphorylation. The results from the present study indicate that nicotine, when alone, does not have a pro-migratory function, but instead enhances responsiveness to the pro-migratory stimulus emitted by HGF. The current study provides an insight into the mechanism of tumor promotion by demonstrating that nicotine and α7-nAchRs act in synergy with the HGF-induced PI3K/Akt signaling pathway, increasing the sensitivity of lung cancer cells to HGF, and thereby promoting cell migration, a vital step in invasion and metastasis.
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Affiliation(s)
- Remi Yoneyama
- Department of Thoracic Surgery, Tokyo Medical University Hospital, Shinjuku-ku, Tokyo 160-0023, Japan; Department of Chest Surgery, Tokyo Medical University Ibaraki Medical Center, Inashiki-gun, Ibaraki 300-0395, Japan
| | - Kazutetsu Aoshiba
- Department of Respiratory Medicine, Tokyo Medical University Ibaraki Medical Center, Inashiki-gun, Ibaraki 300-0395, Japan
| | - Kinya Furukawa
- Department of Chest Surgery, Tokyo Medical University Ibaraki Medical Center, Inashiki-gun, Ibaraki 300-0395, Japan
| | - Makoto Saito
- Department of Chest Surgery, Tokyo Medical University Ibaraki Medical Center, Inashiki-gun, Ibaraki 300-0395, Japan
| | - Hiroaki Kataba
- Department of Chest Surgery, Tokyo Medical University Ibaraki Medical Center, Inashiki-gun, Ibaraki 300-0395, Japan
| | - Hiroyuki Nakamura
- Department of Respiratory Medicine, Tokyo Medical University Ibaraki Medical Center, Inashiki-gun, Ibaraki 300-0395, Japan
| | - Norihiko Ikeda
- Department of Thoracic Surgery, Tokyo Medical University Hospital, Shinjuku-ku, Tokyo 160-0023, Japan
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