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Lucchesi CA, Vasilatis DM, Mantrala S, Chandrasekar T, Mudryj M, Ghosh PM. Pesticides and Bladder Cancer: Mechanisms Leading to Anti-Cancer Drug Chemoresistance and New Chemosensitization Strategies. Int J Mol Sci 2023; 24:11395. [PMID: 37511154 PMCID: PMC10380322 DOI: 10.3390/ijms241411395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 07/05/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
Multiple risk factors have been associated with bladder cancer. This review focuses on pesticide exposure, as it is not currently known whether agricultural products have a direct or indirect effect on bladder cancer, despite recent reports demonstrating a strong correlation. While it is known that pesticide exposure is associated with an increased risk of bladder cancer in humans and dogs, the mechanism(s) by which specific pesticides cause bladder cancer initiation or progression is unknown. In this narrative review, we discuss what is currently known about pesticide exposure and the link to bladder cancer. This review highlights multiple pathways modulated by pesticide exposure with direct links to bladder cancer oncogenesis/metastasis (MMP-2, TGF-β, STAT3) and chemoresistance (drug efflux, DNA repair, and apoptosis resistance) and potential therapeutic tactics to counter these pesticide-induced affects.
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Affiliation(s)
- Christopher A. Lucchesi
- VA Northern California Health Care System, Mather, CA 95655, USA; (D.M.V.); (M.M.)
- Department of Surgical & Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA
| | - Demitria M. Vasilatis
- VA Northern California Health Care System, Mather, CA 95655, USA; (D.M.V.); (M.M.)
- Department of Urological Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA
| | - Saisamkalpa Mantrala
- VA Northern California Health Care System, Mather, CA 95655, USA; (D.M.V.); (M.M.)
| | - Thenappan Chandrasekar
- Department of Urological Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA
| | - Maria Mudryj
- VA Northern California Health Care System, Mather, CA 95655, USA; (D.M.V.); (M.M.)
- Department of Medical Microbiology and Immunology, School of Medicine, University of California Davis, Davis, CA 95616, USA
| | - Paramita M. Ghosh
- VA Northern California Health Care System, Mather, CA 95655, USA; (D.M.V.); (M.M.)
- Department of Urological Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA
- Department of Biochemistry and Molecular Medicine, School of Medicine, University of California Davis, Sacramento, CA 95817, USA
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Li S, Pei L, Zhou Q, Fu Z, Zhang L, Liu P, Yan N, Xi S. SLC1A5 regulates cell proliferation and self-renewal through β-catenin pathway mediated by redox signaling in arsenic-treated uroepithelial cells. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 262:115204. [PMID: 37393816 DOI: 10.1016/j.ecoenv.2023.115204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 06/13/2023] [Accepted: 06/27/2023] [Indexed: 07/04/2023]
Abstract
Arsenic exposure increases the risk of bladder cancer in humans, but its underlying mechanisms remain elusive. The alanine, serine, cysteine-preferring transporter 2 (ASCT2, SLC1A5) is frequently overexpressed in cancer cells. The aim of this study was to evaluate the effects of arsenic on SLC1A5, and to determine the role of SLC1A5 in the proliferation and self-renewal of uroepithelial cells. F344 rats were exposed to 87 mg/L NaAsO2 or 200 mg/L DMAV for 12 weeks. The SV-40 immortalized human uroepithelial (SV-HUC-1) cells were cultured in medium containing 0.5 μM NaAsO2 for 40 weeks. Arsenic increased the expression levels of SLC1A5 and β-catenin both in vivo and in vitro. SLC1A5 promoted cell proliferation and self-renewal by activating β-catenin, which in turn was dependent on maintaining GSH/ROS homeostasis. Our results suggest that SLC1A5 is a potential therapeutic target for arsenic-induced proliferation and self-renewal of uroepithelial cells.
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Affiliation(s)
- Sihao Li
- Health Sciences Institute, China Medical University, Shenyang, Liaoning Province, China
| | - Liang Pei
- Department of Pediatric, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Qing Zhou
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, China
| | - Zhushan Fu
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, China
| | - Lei Zhang
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, China
| | - Pinya Liu
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, China
| | - Nan Yan
- School of Medical Applied Technology, Shenyang Medical College, Shenyang, Liaoning Province, China
| | - Shuhua Xi
- Health Sciences Institute, China Medical University, Shenyang, Liaoning Province, China; Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, China; School of Medical Applied Technology, Shenyang Medical College, Shenyang, Liaoning Province, China.
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Zhou Q, Jin P, Liu J, Li S, Liu W, Xi S. Arsenic-induced HER2 promotes proliferation, migration and angiogenesis of bladder epithelial cells via activation of multiple signaling pathways in vitro and in vivo. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 753:141962. [PMID: 32890875 DOI: 10.1016/j.scitotenv.2020.141962] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/05/2020] [Accepted: 08/23/2020] [Indexed: 06/11/2023]
Abstract
Arsenic (As) is a known human carcinogen with a hitherto unknown mechanism of action. Dimethylarsinic acid (DMAV) is a methylated metabolite of arsenicals found in most mammals, and long-term exposure to DMAV can lead to bladder cancer in rats. Human epidermal growth factor receptor 2 (HER2) is an oncogenic factor that is overexpressed in bladder cancer, but its role in the initiation and progression of As-induced bladder cancer has not been elucidated. We found that HER2 was up-regulated in human uroepithelial cells treated with arsenite as well as in the bladder tissues of DMAV-exposed rats. HER2 overexpression correlated to increased cell proliferation, epithelial-to-mesenchymal transition (EMT), migration and angiogenesis in vitro. The anti-HER2 monoclonal antibody trastuzumab significantly decreased serum vascular endothelial-derived growth factor (VEGF) levels and that of proliferation-related proteins in the bladder tissues of DMAV-exposed rats. Furthermore, inhibition of HER2, as well as that of the MAPK, AKT and STAT3 pathways, attenuated arsenite-induced proliferation, migration and angiogenesis of human uroepithelial cells, and increased apoptosis rates in vitro. These findings indicate that HER2 mediates the oncogenic effects of As on bladder epithelial cells by activating the MAPK, PI3K/AKT and Src/STAT3 signaling pathways, and is therefore a promising biomarker.
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Affiliation(s)
- Qing Zhou
- Department of Environmental and Occupational Health, Liaoning Provincial Key Laboratory of Arsenic Biological Effect and Poisoning, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang 110122, Liaoning Province, People's Republic of China.
| | - Peiyu Jin
- Department of Environmental and Occupational Health, Liaoning Provincial Key Laboratory of Arsenic Biological Effect and Poisoning, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang 110122, Liaoning Province, People's Republic of China.
| | - Jieyu Liu
- Department of Environmental and Occupational Health, Liaoning Provincial Key Laboratory of Arsenic Biological Effect and Poisoning, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang 110122, Liaoning Province, People's Republic of China.
| | - Sihao Li
- Department of Environmental and Occupational Health, Liaoning Provincial Key Laboratory of Arsenic Biological Effect and Poisoning, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang 110122, Liaoning Province, People's Republic of China.
| | - Weijue Liu
- Department of Environmental and Occupational Health, Liaoning Provincial Key Laboratory of Arsenic Biological Effect and Poisoning, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang 110122, Liaoning Province, People's Republic of China.
| | - Shuhua Xi
- Department of Environmental and Occupational Health, Liaoning Provincial Key Laboratory of Arsenic Biological Effect and Poisoning, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang 110122, Liaoning Province, People's Republic of China.
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Dai J, Xu M, Zhang X, Niu Q, Hu Y, Li Y, Li S. Bi-directional regulation of TGF-β/Smad pathway by arsenic: A systemic review and meta-analysis of in vivo and in vitro studies. Life Sci 2019; 220:92-105. [PMID: 30703382 DOI: 10.1016/j.lfs.2019.01.042] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 01/18/2019] [Accepted: 01/25/2019] [Indexed: 01/30/2023]
Abstract
BACKGROUND Arsenic exposure can cause fibrosis of organs including the liver, heart and lung. It was reported that TGF-β/Smad pathway played a crucial role in the process of fibrosis. However, the mechanism of arsenic-induced fibrosis through TGF-β/Smad signaling pathway has remained controversial. OBJECTIVE A systematic review and meta-analysis was performed to clarify the relationship between arsenic and TGF-β/Smad pathway, providing a theoretical basis of fibrosis process caused by arsenic. METHODS A meta-analysis was used to reveal a correlation between arsenic and fibrosis markers of TGF-β/Smad pathway, including 47 articles of both in vivo and in vitro studies. (Standardized Mean Difference) SMD was employed to compare and analyze the combined effects. When I2 > was 50%, random effect model was selected and subgroup analysis was used to explore the source of heterogeneity. RESULTS Arsenic exposure up-regulated the expression of TGF-β1, p-Smad2/3, α-SMA, Collagen1/3 and FN. The dose-response relationship showed that low dose (≤5 μmol/L) arsenic exposure up-regulated the expression of TGF-β1, whereas high doses had a tendency to down-regulate that of TGF-β1. Subgroup analysis showed that low or short-term arsenic exposure induced the expression of TGF-β1 and fibrosis markers. CONCLUSION The results indicated that arsenic activates the TGF-β/Smad pathway and induced fibrosis. The mechanism is related to the up-regulation of NADPH oxidase and ROS accumulation. However, high-dose arsenic exposure may inhibit this pathway.
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Affiliation(s)
- Jingyuan Dai
- Department of Public Health, School of Medicine, Shihezi University, Shihezi 832000, Xinjiang, China
| | - Mengchuan Xu
- Department of Public Health, School of Medicine, Shihezi University, Shihezi 832000, Xinjiang, China
| | - Xiaoran Zhang
- Department of Public Health, School of Medicine, Shihezi University, Shihezi 832000, Xinjiang, China
| | - Qiang Niu
- Department of Public Health, School of Medicine, Shihezi University, Shihezi 832000, Xinjiang, China
| | - Yunhua Hu
- Department of Public Health, School of Medicine, Shihezi University, Shihezi 832000, Xinjiang, China
| | - Yu Li
- Department of Public Health, School of Medicine, Shihezi University, Shihezi 832000, Xinjiang, China
| | - Shugang Li
- Department of Public Health, School of Medicine, Shihezi University, Shihezi 832000, Xinjiang, China.
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Cao S, Liu S, Wang F, Liu J, Li M, Wang C, Xi S. DMA(V) in Drinking Water Activated NF-κB Signal Pathway and Increased TGF-β and IL-1β Expressions in Bladder Epithelial Cells of Rats. Mediators Inflamm 2015; 2015:790652. [PMID: 26617437 PMCID: PMC4651728 DOI: 10.1155/2015/790652] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Accepted: 10/19/2015] [Indexed: 01/03/2023] Open
Abstract
Dimethylarsinic acid (DMA(V)) is the main product of arsenic methylation metabolism in vivo and is rat bladder carcinogen and tumor promoting agent. In this study, we measured the expressions of mRNA and proteins of NF-κB pathway members, IKKα, IKKβ, p65, and p50 in rat bladder epithelium by qRT-PCR and immunohistochemical analysis after rats received drinking water containing 100 and 200 ppm DMA(V) for 10 weeks. Transforming growth factor-β (TGF-β) immunoexpression in rat bladder epithelium and urine level of IL-1β also were determined. We found that DMA(V) dramatically increased the mRNA levels of NF-κB p50 and IKKα in the bladder epithelium of rats compared to the control group. Immunohistochemical examinations showed that DMA(V) increased immunoreactivities of IKKα, IKKβ, and phospho-NF-κB p50 in the cytoplasm and phospho-NF-κB p50 and p65 in nucleus of rat urothelial cells. In addition, DMA(V) treated rats exhibited significantly increased inflammatory factor TGF-β immunoreactivity in bladder epithelium and IL-1β secretion in urine. These data suggest that DMA(V) could activate NF-κB signal pathway and increase TGF-β and IL-1β expressions in bladder epithelial cells of rats.
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Affiliation(s)
- Siqi Cao
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, China
| | - Shengnan Liu
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, China
| | - Fei Wang
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, China
| | - Jieyu Liu
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, China
| | - Mengdan Li
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, China
| | - Chen Wang
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, China
| | - Shuhua Xi
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, China
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