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Tseng C, Chen CM, Hsieh YH, Lin CY, Chen JW, Hsiao PH, Fong YC, Wang PH, Chen PN, Lin RC. MTA2 knockdown suppresses human osteosarcoma metastasis by inhibiting uPA expression. Aging (Albany NY) 2024; 16:12239-12251. [PMID: 39248711 PMCID: PMC11424574 DOI: 10.18632/aging.206070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 07/17/2024] [Indexed: 09/10/2024]
Abstract
The relationship between metastasis-associated protein 2 (MTA2) overexpression and tumor growth and metastasis has been extensively studied in a variety of tumor cells but not in human osteosarcoma cells. This study aims to elucidate the clinical significance, underlying molecular mechanisms, and biological functions of MTA2 in human osteosarcoma in vitro and in vivo. Our results show that MTA2 was elevated in osteosarcoma cell lines and osteosarcoma tissues and was associated with tumor stage and overall survival of osteosarcoma patients. Knockdown of MTA2 inhibited osteosarcoma cell migration and invasion by reducing the expression of urokinase-type plasminogen activator (uPA). Bioinformatic analysis demonstrated that high levels of uPA in human osteosarcoma tissues correlated positively with MTA2 expression. Furthermore, treatment with recombinant human uPA (Rh-uPA) caused significant restoration of OS cell migration and invasion in MTA2 knockdown osteosarcoma cells. We found that ERK1/2 depletion increased the expression of uPA, facilitating osteosarcoma cell migration and invasion. Finally, MTA2 depletion significantly reduced tumor metastasis and the formation of lung nodules in vivo. Overall, our study suggests that MTA2 knockdown suppresses osteosarcoma cell metastasis by decreasing uPA expression via ERK signaling. This finding provides new insight into potential treatment strategies against osteosarcoma metastasis by targeting MTA2.
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Affiliation(s)
- Chun Tseng
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
- Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan
- Spine Center, China Medical University Hospital, Taichung, Taiwan
- Department of Orthopedic Surgery, China Medical University Beigang Hospital, Yunlin, Taiwan
| | - Chien-Min Chen
- Division of Neurosurgery, Department of Surgery, Changhua Christian Hospital, Changhua, Taiwan
- Department of Leisure Industry Management, National Chin-Yi University of Technology, Taichung, Taiwan
- Department of Biomedical Sciences National Chung Cheng University, Chiayi, Taiwan
| | - Yi-Hsien Hsieh
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Chia-Yu Lin
- Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan
- Spine Center, China Medical University Hospital, Taichung, Taiwan
| | - Jian-Wen Chen
- Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan
- Spine Center, China Medical University Hospital, Taichung, Taiwan
| | - Pang-Hsuan Hsiao
- Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan
- Department of Sports Medicine, College of Health Care, China Medical University, Taichung, Taiwan
| | - Yi-Chin Fong
- Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan
- Spine Center, China Medical University Hospital, Taichung, Taiwan
- Department of Sports Medicine, College of Health Care, China Medical University, Taichung, Taiwan
| | - Pei-Han Wang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Pei-Ni Chen
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Renn-Chia Lin
- Department of Orthopedics, Chung Shan Medical University Hospital, Taichung, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
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Bixin H, Yuling Z, Ying M, Jinming C, Zhang Z. Regulation of Osteosarcoma Cell Proliferation, Migration, and Invasion by miR-143 and miR-199a Through COX-2 Targeting. Dose Response 2024; 22:15593258241264947. [PMID: 38912334 PMCID: PMC11193354 DOI: 10.1177/15593258241264947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Accepted: 06/10/2024] [Indexed: 06/25/2024] Open
Abstract
Objective To investigate the biological role of miR-143 and miR-199a in mediating the progression of osteosarcoma (OS) by targeting cyclooxygenase (COX-2). Introduction COX-2 plays a crucial role in the development and progression of OS. However, the specific regulatory mechanisms of COX-2 in OS are still not well understood. Methods The expression levels of COX-2, miR-143 and miR-199a in OS tissues were detected using immunohistochemistry, qPCR, or western blot assays. The targeting relationship between miRNAs and COX-2 was determined. The effect of miRNA and COX-2 on OS cells was evaluated in vitro and in vivo. Results COX-2 expression was upregulated while miR-143 and miR-199a were downregulated in OS tissues. miR-143 and miR-199a suppressed the proliferation, migration, and invasion of OS cells. The dual-luciferase reporter gene assay showed that COX-2 was a direct target of miR-143 and miR-199a. Genetic knockdown of COX-2 significantly suppressed cell proliferation, induced apoptosis, and inhibited migration and invasion of OS cells. The expression levels of COX-2 and PGE2 were decreased after the overexpression of miR-143 and miR-199a. Additionally, COX-2 silencing inhibited the tumorigenesis of OS and the synthesis of PGE2 in vivo. Conclusions miR-143 and miR-199a/COX-2 axis modulates the proliferation, invasion, and migration in osteosarcoma.
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Affiliation(s)
- Huang Bixin
- Department of Anesthesiology, The Affiliated Shunde Hospital of Jinan University, Foshan, China
| | - Zheng Yuling
- Department of Anesthesiology, The Affiliated Shunde Hospital of Jinan University, Foshan, China
| | - Mai Ying
- Department of Anesthesiology, The Affiliated Shunde Hospital of Jinan University, Foshan, China
| | - Chen Jinming
- Department of Anesthesiology, The Affiliated Shunde Hospital of Jinan University, Foshan, China
| | - Zhongqi Zhang
- Department of Anesthesiology, The Affiliated Shunde Hospital of Jinan University, Foshan, China
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Kast RE. The OSR9 Regimen: A New Augmentation Strategy for Osteosarcoma Treatment Using Nine Older Drugs from General Medicine to Inhibit Growth Drive. Int J Mol Sci 2023; 24:15474. [PMID: 37895152 PMCID: PMC10607234 DOI: 10.3390/ijms242015474] [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: 09/23/2023] [Revised: 10/13/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023] Open
Abstract
As things stand in 2023, metastatic osteosarcoma commonly results in death. There has been little treatment progress in recent decades. To redress the poor prognosis of metastatic osteosarcoma, the present regimen, OSR9, uses nine already marketed drugs as adjuncts to current treatments. The nine drugs in OSR9 are: (1) the antinausea drug aprepitant, (2) the analgesic drug celecoxib, (3) the anti-malaria drug chloroquine, (4) the antibiotic dapsone, (5) the alcoholism treatment drug disulfiram, (6) the antifungal drug itraconazole, (7) the diabetes treatment drug linagliptin, (8) the hypertension drug propranolol, and (9) the psychiatric drug quetiapine. Although none are traditionally used to treat cancer, all nine have attributes that have been shown to inhibit growth-promoting physiological systems active in osteosarcoma. In their general medicinal uses, all nine drugs in OSR9 have low side-effect risks. The current paper reviews the collected data supporting the role of OSR9.
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Therapeutic Strategies Targeting Urokinase and Its Receptor in Cancer. Cancers (Basel) 2022; 14:cancers14030498. [PMID: 35158766 PMCID: PMC8833673 DOI: 10.3390/cancers14030498] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 01/11/2022] [Accepted: 01/15/2022] [Indexed: 01/19/2023] Open
Abstract
Several studies have ascertained that uPA and uPAR do participate in tumor progression and metastasis and are involved in cell adhesion, migration, invasion and survival, as well as angiogenesis. Increased levels of uPA and uPAR in tumor tissues, stroma and biological fluids correlate with adverse clinic-pathologic features and poor patient outcomes. After binding to uPAR, uPA activates plasminogen to plasmin, a broad-spectrum matrix- and fibrin-degrading enzyme able to facilitate tumor cell invasion and dissemination to distant sites. Moreover, uPAR activated by uPA regulates most cancer cell activities by interacting with a broad range of cell membrane receptors. These findings make uPA and uPAR not only promising diagnostic and prognostic markers but also attractive targets for developing anticancer therapies. In this review, we debate the uPA/uPAR structure-function relationship as well as give an update on the molecules that interfere with or inhibit uPA/uPAR functions. Additionally, the possible clinical development of these compounds is discussed.
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Zhen Y, Wu Q, Ding Y, Zhang W, Zhai Y, Lin X, Weng Y, Guo R, Zhang Y, Feng J, Lei Y, Chen J. Exogenous hydrogen sulfide promotes hepatocellular carcinoma cell growth by activating the STAT3-COX-2 signaling pathway. Oncol Lett 2018; 15:6562-6570. [PMID: 29725404 DOI: 10.3892/ol.2018.8154] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2015] [Accepted: 04/21/2017] [Indexed: 12/20/2022] Open
Abstract
The effects of hydrogen sulfide (H2S) on cancer are controversial. Our group previously demonstrated that exogenous H2S promotes the development of cancer via amplifying the activation of the nuclear factor-κB signaling pathway in hepatocellular carcinoma (HCC) cells (PLC/PRF/5). The present study aimed to further investigate the hypothesis that exogenous H2S promotes PLC/PRF/5 cell proliferation and migration, and inhibits apoptosis by activating the signal transducer and activator of transcription 3 (STAT3)-cyclooxygenase-2 (COX-2) signaling pathway. PLC/PRF/5 cells were treated with 500 µmol/l NaHS (a donor of H2S) for 24 h. The expression levels of phosphorylated (p)-STAT3, STAT3, cleaved caspase-3 and COX-2 were measured by western blot assay. Cell viability was detected by Cell Counting kit-8 assay. Apoptotic cells were observed by Hoechst 33258 staining. The expression of STAT3 and COX-2 messenger RNA (mRNA) was detected by semiquantitative reverse transcription-polymerase chain reaction. The production of vascular endothelial growth factor (VEGF) was evaluated by ELISA. The results indicated that treatment of PLC/PRF/5 cells with 500 µmol/l NaHS for 24 h markedly increased the expression levels of p-STAT3 and STAT3 mRNA, leading to COX-2 and COX-2 mRNA overexpression, VEGF induction, decreased cleaved caspase-3 production, increased cell viability and migration, and decreased number of apoptotic cells. However, co-treatment of PLC/PRF/5 cells with 500 µmol/l NaHS and 30 µmol/l AG490 (an inhibitor of STAT3) or 20 µmol/l NS-398 (an inhibitor of COX-2) for 24 h significantly reverted the effects induced by NaHS. Furthermore, co-treatment of PLC/PRF/5 cells with 500 µmol/l NaHS and 30 µmol/l AG490 markedly decreased the NaHS-induced increase in the expression level of COX-2. By contrast, co-treatment of PLC/PRF/5 cells with 500 µmol/l NaHS and 20 µmol/l NS-398 inhibited the NaHS-induced increase in the expression level of p-STAT3. In conclusion, the findings of the present study provide evidence that the STAT3-COX-2 signaling pathway is involved in NaHS-induced cell proliferation, migration, angiogenesis and anti-apoptosis in PLC/PRF/5 cells, and suggest that the positive feedback between STAT3 and COX-2 may serve a crucial role in hepatocellular carcinoma carcinogenesis.
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Affiliation(s)
- Yulan Zhen
- Department of Oncology, The Third People's Hospital of Dongguan Dongguan City, Guangdong 523326, P.R. China
| | - Qiaomei Wu
- Department of Anesthesiology, Oral Subsidiary Sun Yat-Sen University Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510700, P.R. China
| | - Yiqian Ding
- Grade 2013, Medical Imaging, The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510000, P.R. China
| | - Wei Zhang
- Department of Cardiovasology and Cardiac Care Unit, Huangpu Division of The First Affiliated Hospital, Guangzhou, Guangdong 510080, P.R. China
| | - Yuansheng Zhai
- Department of Cardiovasology and Cardiac Care Unit, Huangpu Division of The First Affiliated Hospital, Guangzhou, Guangdong 510080, P.R. China
| | - Xiaoxiong Lin
- Department of Cardiovasology and Cardiac Care Unit, Huangpu Division of The First Affiliated Hospital, Guangzhou, Guangdong 510080, P.R. China
| | - Yunxia Weng
- Department of Cardiovasology and Cardiac Care Unit, Huangpu Division of The First Affiliated Hospital, Guangzhou, Guangdong 510080, P.R. China
| | - Ruixian Guo
- Department of Physiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510700, P.R. China
| | - Ying Zhang
- Department of Oncology, Affiliated Hospital, Guangdong Medical College, Zhanjiang, Guangdong 524001, P.R. China
| | - Jianqiang Feng
- Department of Physiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510700, P.R. China
| | - Yiyan Lei
- Department of Thoracic Surgery, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Jingfu Chen
- Department of Cardiovascular Medicine and Dongguan Cardiovascular Institute, The Third People's Hospital of Dongguan City, Dongguan, Guangdong 523326, P.R. China
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Chen ZG, Zheng CY, Cai WQ, Li DW, Ye FY, Zhou J, Wu R, Yang K. miR-26b Mimic Inhibits Glioma Proliferation In Vitro and In Vivo Suppressing COX-2 Expression. Oncol Res 2017; 27:147-155. [PMID: 28800785 PMCID: PMC7848412 DOI: 10.3727/096504017x15021536183517] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Glioma is the most common malignant tumor of the nervous system. Studies have shown the microRNA-26b (miR-26b)/cyclooxygenase-2 (COX-2) axis in the development and progression in many tumor cells. Our study aims to investigate the effect and mechanism of the miR-26b/COX-2 axis in glioma. Decreased expression of miR-26b with increased levels of COX-2 was found in glioma tissues compared with matched normal tissues. A strong negative correlation was observed between the level of miR-26b and COX-2 in 30 glioma tissues. The miR-26b was then overexpressed by transfecting a miR-26b mimic into U-373 cells. The invasive cell number and wound closing rate were reduced in U-373 cells transfected with miR-26b mimic. In addition, COX-2 siRNA enhanced the effect of miR-26b mimic in suppressing the expression of p-ERK1 and p-JNK. Finally, the in vivo experiment revealed that miR-26b mimic transfection strongly reduced the tumor growth, tumor volume, and expression of matrix metalloproteinase-2 (MMP-2) and MMP-9. Taken together, our research indicated a miR-26b/COX-2/ERK/JNK axis in regulating the motility of glioma in vitro and in vivo, providing a new sight for the treatment of glioma.
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Affiliation(s)
- Zheng-Gang Chen
- Department of Neurosurgery, The First Affiliated Hospital of Hainan Medical College, Haikou, Hainan, P.R. China
| | - Chuan-Yi Zheng
- Department of Neurosurgery, The First Affiliated Hospital of Hainan Medical College, Haikou, Hainan, P.R. China
| | - Wang-Qing Cai
- Department of Neurosurgery, The Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, P.R. China
| | - Da-Wei Li
- Department of Neurosurgery, The First Affiliated Hospital of Hainan Medical College, Haikou, Hainan, P.R. China
| | - Fu-Yue Ye
- Department of Neurosurgery, The First Affiliated Hospital of Hainan Medical College, Haikou, Hainan, P.R. China
| | - Jian Zhou
- Department of Neurosurgery, The First Affiliated Hospital of Hainan Medical College, Haikou, Hainan, P.R. China
| | - Ran Wu
- Department of Neurosurgery, The First Affiliated Hospital of Hainan Medical College, Haikou, Hainan, P.R. China
| | - Kun Yang
- Department of Neurosurgery, The First Affiliated Hospital of Hainan Medical College, Haikou, Hainan, P.R. China
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Bisphenol A-induced epithelial to mesenchymal transition is mediated by cyclooxygenase-2 up-regulation in human endometrial carcinoma cells. Reprod Toxicol 2015; 58:229-33. [DOI: 10.1016/j.reprotox.2015.10.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 09/17/2015] [Accepted: 10/20/2015] [Indexed: 01/24/2023]
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8
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Yang H, Yin P, Shi Z, Ma Y, Zhao C, Zheng J, Chen T. Sinomenine, a COX-2 inhibitor, induces cell cycle arrest and inhibits growth of human colon carcinoma cells in vitro and in vivo. Oncol Lett 2015; 11:411-418. [PMID: 26870226 DOI: 10.3892/ol.2015.3838] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Accepted: 09/22/2015] [Indexed: 11/06/2022] Open
Abstract
Certain non-steroidal anti-inflammatory drugs may possess anti-tumorigenic effects in certain cancer cell types. Sinomenine (SIN) is an alkaloid from Sinomenium acutum, a Chinese medicinal plant that inhibits inflammatory reactions and that has been used in the treatment of neuralgia and rheumatic diseases. In this study, we investigated the anticancer effects of SIN against colorectal cancer in vitro and in vivo, as well as the underlying mechanisms. The effects of SIN on proliferation, cell cycle progression and cyclooxygenase (COX)-2 expression were examined in human colorectal cancer-derived SW1116 cells. The in vivo effects of SIN were examined in a model of SW1116 tumor xenograft growth in athymic nude mice. Changes in COX-2 expression induced by the biological effects of SIN were analyzed by western blot analysis. The effects of SIN treatment on G1 phase cell cycle regulators in xenografts were analyzed by immunohistochemistry. Our findings demonstrate that SIN inhibits the proliferation of SW1116 cells by promoting their accumulation in the G1 phase, with concomitant suppression of COX-2 expression. Time- and dose-dependent inhibition of tumor growth and reduced toxicity were observed in nude mice administered daily intraperitoneal injections of SIN at doses of 25, 50 and 100 mg/kg. SIN-treated tumors also exhibited reduced COX-2 expression, a marked increase in Cip1/p21 protein levels and a decrease in the levels of cyclin D1 and cyclin E. SIN may be an effective chemopreventive agent against colorectal cancer. The growth inhibitory properties of SIN against colorectal cancer may be mediated via a COX-2 inhibitory effect and cell cycle arrest in the G1 phase.
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Affiliation(s)
- Haibo Yang
- Department of Colorectal Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
| | - Peihao Yin
- Department of General Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
| | - Zhan Shi
- Department of Colorectal Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
| | - Yanchun Ma
- Experimental Center, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
| | - Chenggen Zhao
- Department of Oncology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
| | - Jampu Zheng
- Experimental Center, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
| | - Teng Chen
- Department of General Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
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Liu K, He Q, Liao G, Han J. Identification of critical genes and gene interaction networks that mediate osteosarcoma metastasis to the lungs. Exp Ther Med 2015; 10:1796-1806. [PMID: 26640552 PMCID: PMC4665845 DOI: 10.3892/etm.2015.2767] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2014] [Accepted: 09/01/2015] [Indexed: 12/24/2022] Open
Abstract
Osteosarcoma (OS) is the most commonly diagnosed bone tumor in young adults under the age of 20. Metastasis is considered an important factor underlying cancer-associated morbidity and mortality, and, as a result, the survival rate of patients with metastatic OS is low. In spite of this, the mechanisms underlying metastasis in OS are currently not well understood. The present study compared gene expression levels between five non-metastatic and four metastatic OS tumor samples, using an Affymetrix microarray. A total of 282 genes were differentially expressed in the metastatic samples, as compared with the non-metastatic samples. Of these differentially expressed genes (DEGs), 212 were upregulated and 70 were downregulated. The following DEGs were associated with metastasis: Homeobox only protein; lysosomal-associated membrane protein-3; chemokine (C-C motif) ligand-18; carcinoembryonic antigen-related cell adhesion molecule-6; keratin-19; prostaglandin-endoperoxide synthase-2; clusterin; and nucleoside diphosphate kinase-1. Subsequently, Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment pathway analyses were conducted, which identified 529 biological processes (P<0.01) and 10 KEGG pathways (P<0.05) that were significantly over-represented in the metastatic samples, as compared with the non-metastatic samples. Interaction networks for the DEGs were constructed using the corresponding GO terms and KEGG pathways, and these identified numerous genes that may contribute to OS metastasis. Among the enriched biological processes, four DEGs were consistently over-represented: Jun proto-oncogene, caveolin-1, nuclear factor-κB-inhibitor-α and integrin alpha-4; thus suggesting that they may have key roles in OS metastasis, and may be considered potential therapeutic targets in the treatment of patients with OS.
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Affiliation(s)
- Kegui Liu
- Department of Osteoarticular Surgery, Yantai Shan Hospital, Yantai, Shandong 264000, P.R. China
| | - Qunhui He
- Department of Anesthesiology, Yuhuang Ding Hospital, Yantai, Shandong 264000, P.R. China
| | - Guangjun Liao
- Department of Orthopedic Surgery, Yantai Shan Hospital, Yantai, Shandong 264000, P.R. China
| | - Jian Han
- Department of Orthopedic Surgery, Yantai Shan Hospital, Yantai, Shandong 264000, P.R. China
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Zhen Y, Zhang W, Liu C, He J, Lu Y, Guo R, Feng J, Zhang Y, Chen J. Exogenous hydrogen sulfide promotes C6 glioma cell growth through activation of the p38 MAPK/ERK1/2-COX-2 pathways. Oncol Rep 2015; 34:2413-22. [PMID: 26351820 DOI: 10.3892/or.2015.4248] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Accepted: 07/07/2015] [Indexed: 11/06/2022] Open
Abstract
Hydrogen sulfide (H2S) participates in multifarious physiological and pathophysiologic progresses of cancer both in vitro and in vivo. We have previously demonstrated that exogenous H2S promoted liver cancer cells proliferation/anti‑apoptosis/angiogenesis/migration effects via amplifying the activation of NF-κB pathway. However, the effects of H2S on cancer cell proliferation and apoptosis are controversial and remain unclear in C6 glioma cells. The present study investigated the effects of exogenous H2S on cancer cells growth via activating p38 MAPK/ERK1/2-COX-2 pathways in C6 glioma cells. C6 glioma cells were treated with 400 µmol/l NaHS (a donor of H2S) for 24 h. The expression levels of phosphorylated (p)-p38 MAPK, total (t)-p38 MAPK, p-ERK1/2, t-ERK1/2, cyclooxygenase-2 (COX-2) and caspase-3 were measured by western blotting assay. Cell viability was detected by Cell Counting Kit-8 (CCK-8). Apoptotic cells were observed by Hoechst 33258 staining assay. Cell proliferation was directly detected under fully automatic inverted microscope. Exposure of C6 glioma cells to NaHS resulted in cell proliferation, as evidenced by an increase in cell viability. In addition, NaHS treatment reduced apoptosis, as indicated by the decreased apoptotic percentage and the cleaved caspase-3 expression. Importantly, exposure of the cells to NaHS increased the expression levels of p-p38 MAPK, p-ERK1/2 and COX-2. Notably, co-treatment of C6 glioma cells with 400 µmol/l NaHS and AOAA (an inhibitor of CBS) largely suppressed the above NaHS-induced effects. Combined treatment with NaHS and SB203580 (an inhibitor of p38 MAPK) or PD-98059 (an inhibitor of ERK1/2) resulted in the synergistic reduction of COX-2 expression and increase of caspase-3 expression, a decreased number of apoptotic cells, along with decreased cell viability. Combined treatment with NS-398 (an inhibitor of COX-2) and NaHS also resulted in the synergistic increase of caspase-3, a decreased in the number of apoptotic cells and the decrease in cell viability. The findings of the present study provide novel evidence that p38 MAPK/ERK1/2-COX-2 pathways are involved in NaHS-induced cancer cell proliferation and anti-apoptosis in C6 glioma cells.
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Affiliation(s)
- Yulan Zhen
- Oncology Center, The Affiliated Hospital, Guangdong Medical College, Zhanjiang, Guangdong 524001, P.R. China
| | - Wei Zhang
- Department of Cardiovasology and Cardiac Care Unit (CCU), Huangpu Division of The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Chujie Liu
- Department of Neurology, Dalang Hospital, Dongguan, Guangdong 523700, P.R. China
| | - Jing He
- The First People's Hospital of Yueyang, Yueyang, Hunan 414000, P.R. China
| | - Yun Lu
- Department of Infectious Disease I, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510000, P.R. China
| | - Ruixian Guo
- Department of Physiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510000, P.R. China
| | - Jianqiang Feng
- Department of Physiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510000, P.R. China
| | - Ying Zhang
- Oncology Center, The Affiliated Hospital, Guangdong Medical College, Zhanjiang, Guangdong 524001, P.R. China
| | - Jingfu Chen
- Department of Cardiovasology and Cardiac Care Unit (CCU), Huangpu Division of The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
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Raposo TP, Beirão BCB, Pang LY, Queiroga FL, Argyle DJ. Inflammation and cancer: till death tears them apart. Vet J 2015; 205:161-74. [PMID: 25981934 DOI: 10.1016/j.tvjl.2015.04.015] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 04/09/2015] [Accepted: 04/11/2015] [Indexed: 01/19/2023]
Abstract
Advances in biotechnology have enabled the collection of an immeasurable amount of information from genomic, transcriptomic, metabolomic and proteomic studies of tumours within their microenvironments. The dissection of cytokine and chemokine networks has provided new clues to the interactions between cancer cells and their surrounding inflammatory landscape. To bridge the gap between chronic inflammation and cancer, dynamic participants in the tumour microenvironment have been identified, including tumour-associated macrophages (TAMs) and regulatory T cells (Tregs). Both of these cell types are notable for their ability to cause immunosuppressive conditions and support the evasion of tumour immune surveillance. It is clear now that the tumour-promoting inflammatory environment has to be included as one of the major cancer hallmarks. This review explores the recent advances in the understanding of cancer-related inflammation and how this is being applied to comparative oncology studies in humans and domestic species, such as the dog.
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Affiliation(s)
- T P Raposo
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush, Edinburgh EH25 9RG, United Kingdom; Center for Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal
| | - B C B Beirão
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush, Edinburgh EH25 9RG, United Kingdom
| | - L Y Pang
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush, Edinburgh EH25 9RG, United Kingdom
| | - F L Queiroga
- Center for Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal
| | - D J Argyle
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush, Edinburgh EH25 9RG, United Kingdom.
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Fang Y, Zhang Z, Wang Q, Zhao J. Expression and clinical significance of cyclooxygenase-2 and microRNA-143 in osteosarcoma. Exp Ther Med 2015; 9:2374-2378. [PMID: 26136990 DOI: 10.3892/etm.2015.2420] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Accepted: 03/05/2015] [Indexed: 11/05/2022] Open
Abstract
The aim of the present study was to investigate the expression profiles of cyclooxygenase (COX)-2 and microRNA (miRNA)-143 in the tumor tissue and blood samples of patients with osteosarcoma, and their involvement in the disease pathogenesis. Tumor tissue and blood samples were obtained from 46 patients with osteosarcoma (stages I-III). Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and western blot analyses were performed to detect the mRNA and protein expression of COX-2, respectively, in these samples. The expression of miRNA-143 in the tumor tissue and blood samples was assessed using RT-qPCR. The results showed that, compared with the normal control subjects, the mRNA and protein expression levels of COX-2 in the tumor tissue and blood samples of patients with osteosarcoma were increased. Among the patients with osteosarcoma, increases in the COX-2 mRNA and protein levels were observed with progressing disease severity (from stage I to stage III), suggesting the involvement of COX-2 in the disease pathogenesis. By contrast, the expression of miRNA-143 decreased as the disease progressed, which was the opposite trend to the COX-2 expression, indicating that miRNA-143 and COX-2 may play different roles in the disease pathogenesis. In conclusion, COX-2 expression in the tumor tissue and blood samples of patients with osteosarcoma increases significantly along with the degree of tumor malignancy, and this is accompanied by a decreased expression of miRNA-143; therefore, a negative correlation between COX-2 and miRNA-143 may exist in the progression of osteosarcoma.
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Affiliation(s)
- Yongchao Fang
- Department of Orthopedic Surgery, Jinling Hospital, Southern Medical University, Nanjing, Jiangsu 210002, P.R. China
| | - Zhiqiang Zhang
- Department of Orthopedic Surgery, Jinling Hospital, Southern Medical University, Nanjing, Jiangsu 210002, P.R. China
| | - Qiang Wang
- Department of Orthopedic Surgery, Jinling Hospital, Southern Medical University, Nanjing, Jiangsu 210002, P.R. China
| | - Jianning Zhao
- Department of Orthopedic Surgery, Jinling Hospital, Southern Medical University, Nanjing, Jiangsu 210002, P.R. China
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Wang L, Wang Z, Li J, Zhang W, Ren F, Yue W. NFATc1 activation promotes the invasion of U251 human glioblastoma multiforme cells through COX-2. Int J Mol Med 2015; 35:1333-40. [PMID: 25738651 DOI: 10.3892/ijmm.2015.2124] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2014] [Accepted: 02/25/2015] [Indexed: 11/06/2022] Open
Abstract
Recent studies have revealed that the nuclear factor of activated T-cells (NFAT) is a transcription factor that is highly expressed in aggressive cancer cells and tissues, and mediates invasion through the transcriptional induction of pro-invasion and pro-migration genes. However, the mechanisms through which nuclear factor of activated T-cells, cytoplasmic 1 (NFATc1), in particular, translocates to the nucleus and regulates the invasion of human glioblastoma multiforme (GBM) cells have not yet been fully elucidated. In the present study, to investigate the role of NFATc1 in GBM cells, we established a U251 cell line expressing a constitutively active form of NFATc1 (CA-NFATc1). On the other hand, RNA interference was used to knock down NFATc1 expression in the U251 cell line. Our results demonstrated that the expression of CA-NFATc1 promoted cancer cell invasion, while small interfering RNA (siRNA) against NFATc1 successfully inhibited the invasion ability of the U251 cell line. Moreover, we demonstrated that NFATc1 promoted U251 cell invasion through the induction of cyclooxygenase-2 (COX‑2). NFAT transcriptionally regulates the induction of COX-2 induction in U251 cells and binds to the promoter. We also demonstrated that a large proportion of GBM specimens expressed NFATc1. NFATc1 expression increased according to the histopathological grade of the glioma. However, no NFATc1 staining was observed in the non-neoplastic brain tissues. These findings suggest that the inhibition of the activation of the NFATc1 pathway is an effective therapeutic strategy for the clinical management of GBM.
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Affiliation(s)
- Laizang Wang
- Department of Neurosurgery, Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Zhi Wang
- Department of Neurosurgery, Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Jianhua Li
- Department of Neurosurgery, Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Weiguang Zhang
- Department of Neurosurgery, Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Fubin Ren
- Department of Neurosurgery, Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Wu Yue
- Department of Neurosurgery, Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
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Zhen Y, Pan W, Hu F, Wu H, Feng J, Zhang Y, Chen J. Exogenous hydrogen sulfide exerts proliferation/anti-apoptosis/angiogenesis/migration effects via amplifying the activation of NF-κB pathway in PLC/PRF/5 hepatoma cells. Int J Oncol 2015; 46:2194-204. [PMID: 25738635 DOI: 10.3892/ijo.2015.2914] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Accepted: 02/13/2015] [Indexed: 01/08/2023] Open
Abstract
Hydrogen sulfide (H2S) takes part in a diverse range of intracellular pathways and hss physical and pathological properties in vitro and in vivo. However, the effects of H2S on cancer are controversial and remain unclear. The present study investigates the effects of H2S on liver cancer progression via activating NF-κB pathway in PLC/PRF/5 hepatoma cells. PLC/PRF/5 hepatoma cells were pretreated with 500 µmol/l NaHS (a donor of H2S) for 24 h. The expression levels of CSE, CBS, phosphosphorylate (p)-NF-κB p65, caspase-3, COX-2, p-IκB and MMP-2 were measured by western blot assay. Cell viability was detected by cell counter kit 8 (CCK-8). Apoptotic cells were observed by Hoechst 33258 staining assay. The production level of H2S in cell culture medium was measured by using the sulfur-sensitive electrode method. The production of vascular endothelial growth factor (VEGF) was tested by enzyme-linked immunosorbent assay (ELISA). Our results showed that the production of H2S was dramatically increased in the PLC/PRF/5 hepatoma cells, compared with human LO2 hepatocyte cells group, along with the overexpression levels of CSE and CBS. Treatment of PLC/PRF/5 hepatoma cells with 500 µmol/l NaHS (a donor of H2S) for 24 h markedly increased the expression levels of CSE, CBS, p-IκB and NF-κB activation, leading to COX-2 and MMP-2 overexpression, and decreased caspase-3 production, as well as increased cell viability and decreased number of apoptotic cells. Otherwise, the production level of H2S and VEGF were also significantly increased. Furthermore, co-treatment of PLC/PRF/5 hepatoma cells with 500 µmol/l NaHS and 200 µmol/l PDTC for 24 h significantly overturned these indexes. The findings of the present study provide evidence that the NF-κB is involved in the NaHS-induced cell proliferation, anti-apoptisis, angiogenesis, and migration in PLC/PRF/5 hepatoma cells, and that the PDTC against the NaHS-induced effects were by inhibition of the NF-κB pathway.
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Affiliation(s)
- Yulan Zhen
- Oncology Center, Affiliated Hospital of Guangdong Medical College, Zhanjiang, Guangdong 524001, P.R. China
| | - Wanying Pan
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510700, P.R. China
| | - Fen Hu
- Department of Pathology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510700, P.R. China
| | - Hongfu Wu
- Department of Physiology, Guangdong Medical College, Zhanjiang, Guangdong 524001, P.R. China
| | - Jianqiang Feng
- Department of Physiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Ying Zhang
- Oncology Center, Affiliated Hospital of Guangdong Medical College, Zhanjiang, Guangdong 524001, P.R. China
| | - Jingfu Chen
- Department of Cardiovasology and Cardiac Care Unit (CCU), Huangpu Division, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510700, P.R. China
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Han JA, Kim JY, Kim JI. Analysis of gene expression in cyclooxygenase-2-overexpressed human osteosarcoma cell lines. Genomics Inform 2014; 12:247-53. [PMID: 25705166 PMCID: PMC4330262 DOI: 10.5808/gi.2014.12.4.247] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 11/09/2014] [Accepted: 11/10/2014] [Indexed: 01/03/2023] Open
Abstract
Osteosarcoma is the most common primary bone tumor, generally affecting young people. While the etiology of osteosarcoma has been largely unknown, recent studies have suggested that cyclooxygenase-2 (COX-2) plays a critical role in the proliferation, migration, and invasion of osteosarcoma cells. To understand the mechanism of action of COX-2 in the pathogenesis of osteosarcoma, we compared gene expression patterns between three stable COX-2-overexpressing cell lines and three control cell lines derived from U2OS human osteosarcoma cells. The data showed that 56 genes were upregulated, whereas 20 genes were downregulated, in COX-2-overexpressed cell lines, with an average fold-change > 1.5. Among the upregulated genes, COL1A1, COL5A2, FBN1, HOXD10, RUNX2, and TRAPPC2are involved in bone and skeletal system development, while DDR2, RAC2, RUNX2, and TSPAN31are involved in the positive regulation of cell proliferation. Among the downregulated genes, HIST1H1D, HIST1H2AI, HIST1H3H, and HIST1H4C are involved in nucleosome assembly and DNA packaging. These results may provide useful information to elucidate the molecular mechanism of the COX-2-mediated malignant phenotype in osteosarcoma.
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Affiliation(s)
- Jeong A Han
- Department of Biochemistry and Molecular Biology, Kangwon National University School of Medicine, Chuncheon 200-701, Korea
| | - Ji-Yeon Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul 110-744, Korea
| | - Jong-Il Kim
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul 110-799, Korea. ; Department of Biomedical Sciences, Seoul National University Graduate School, Seoul 110-799, Korea. ; Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul 110-799, Korea
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