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Sun Y, Gan Z, Wang X, Liu J, Zhong W, Zhang Z, Zuo J, Zhong H, Huang X, Yan Z, Cao Q. Integrative metagenomic, transcriptomic, and proteomic analysis reveal the microbiota-host interplay in early-stage lung adenocarcinoma among non-smokers. J Transl Med 2024; 22:652. [PMID: 38997719 PMCID: PMC11245786 DOI: 10.1186/s12967-024-05485-0] [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: 12/15/2023] [Accepted: 07/03/2024] [Indexed: 07/14/2024] Open
Abstract
BACKGROUND The incidence of early-stage lung adenocarcinoma (ES-LUAD) is steadily increasing among non-smokers. Previous research has identified dysbiosis in the gut microbiota of patients with lung cancer. However, the local microbial profile of non-smokers with ES-LUAD remains largely unknown. In this study, we systematically characterized the local microbial community and its associated features to enable early intervention. METHODS A prospective collection of ES-LUAD samples (46 cases) and their corresponding normal tissues adjacent to the tumor (41 cases), along with normal lung tissue samples adjacent to pulmonary bullae in patients with spontaneous pneumothorax (42 cases), were subjected to ultra-deep metagenomic sequencing, host transcriptomic sequencing, and proteomic sequencing. The obtained omics data were subjected to both individual and integrated analysis using Spearman correlation coefficients. RESULTS We concurrently detected the presence of bacteria, fungi, and viruses in the lung tissues. The microbial profile of ES-LUAD exhibited similarities to NAT but demonstrated significant differences from the healthy controls (HCs), characterized by an overall reduction in species diversity. Patients with ES-LUAD exhibited local microbial dysbiosis, suggesting the potential pathogenicity of certain microbial species. Through multi-omics correlations, intricate local crosstalk between the host and local microbial communities was observed. Additionally, we identified a significant positive correlation (rho > 0.6) between Methyloversatilis discipulorum and GOLM1 at both the transcriptional and protein levels using multi-omics data. This correlated axis may be associated with prognosis. Finally, a diagnostic model composed of six bacterial markers successfully achieved precise differentiation between patients with ES-LUAD and HCs. CONCLUSIONS Our study depicts the microbial spectrum in patients with ES-LUAD and provides evidence of alterations in lung microbiota and their interplay with the host, enhancing comprehension of the pathogenic mechanisms that underlie ES-LUAD. The specific model incorporating lung microbiota can serve as a potential diagnostic tool for distinguishing between ES-LUAD and HCs.
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Affiliation(s)
- Yaohui Sun
- Department of Thoracic Surgery and Lung Transplantation, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China
| | - Zhiming Gan
- Guangdong Provincial Key Laboratory of Biomedical Imaging and Guangdong Provincial Engineering Research Center of Molecular Imaging, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China
| | - Xiaojin Wang
- Department of Thoracic Surgery and Lung Transplantation, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China
| | - Jian Liu
- Department of Thoracic Surgery and Lung Transplantation, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China
| | - Wei Zhong
- Department of Thoracic Surgery and Lung Transplantation, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China
| | - Zhiyan Zhang
- Department of Thoracic Surgery and Lung Transplantation, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China
| | - Jiebin Zuo
- Cardiovascular Disease Center, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China
| | - Hang Zhong
- Guangdong Provincial Key Laboratory of Biomedical Imaging and Guangdong Provincial Engineering Research Center of Molecular Imaging, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China
| | - Xiuting Huang
- Guangdong Provincial Key Laboratory of Biomedical Imaging and Guangdong Provincial Engineering Research Center of Molecular Imaging, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China
| | - Zhixiang Yan
- Guangdong Provincial Key Laboratory of Biomedical Imaging and Guangdong Provincial Engineering Research Center of Molecular Imaging, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China.
| | - Qingdong Cao
- Department of Thoracic Surgery and Lung Transplantation, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China.
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Xu R, Li T, Luo J, Zhang X, Wang T, Wang Y, Ma Y, Yang B, Jia J, Dmytriw AA, Li W, Jiao L. PCSK9 increases vulnerability of carotid plaque by promoting mitochondrial dysfunction and apoptosis of vascular smooth muscle cells. CNS Neurosci Ther 2024; 30:e14640. [PMID: 38402551 PMCID: PMC10894644 DOI: 10.1111/cns.14640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/19/2024] [Accepted: 02/01/2024] [Indexed: 02/26/2024] Open
Abstract
BACKGROUND Proprotein convertase subtilisin/kexin type 9 (PCSK9) has been recognized as a novel lipid-lowing target. Recent clinical studies suggested the value of inhibiting PCSK9 in decreasing the vulnerability of coronary plaques. However, the evidence of PCSK9-regulated evolution of unstable carotid plaques is unclear, which has limited the use of PCSK9 inhibitor in carotid plaques. This study aimed to determine the effect and molecular mechanisms of PCSK9 on vulnerability of carotid plaques, to provide potential therapeutic targets for stabilizing carotid plaques. METHODS The expression of PCSK9 in stable and unstable carotid plaques were examined in tissue and plasma. Human aortic vascular smooth muscle cells (VSMCs) and carotid VSMCs were employed to transfect lentivirus for overexpression and knockdown of PCSK9, respectively. Morphological and functional changes of mitochondria were observed by live-cell imaging. Cell apoptosis was evaluated by propidium iodide staining. RNA-sequencing and biological examinations were performed to explore and validate the underlying mechanisms. Truncated plasmids were employed to identify the functional domain of PCSK9 in regulation of VSMCs' mitochondrial morphology, function and apoptosis. RESULTS Clinically, PCSK9 was closely related with vulnerability of human carotid plaques. Increased expression of PCSK9 in human VSMCs was accompanied by higher level of apoptosis. At subcellular level of VSMCs, the morphology of mitochondria was shifted toward the fission state, followed by mitochondrial dysfunction. Inhibition of p38 MAPK activation partially rescued the above morphological and behavioral changes caused by PCSK9. Furthermore, inhibiting of dynamin-related protein 1 (DRP1) attenuated PCSK9-related mitochondrial dysfunction and cell apoptosis. The 1-149aa domain of PCSK9 protein was essential to achieve functional regulation to VSMCs. CONCLUSION Our findings demonstrated that PCSK9 induced morphology-related mitochondrial dysfunction and apoptosis of VSMCs, which may be related to increased vulnerability of carotid plaque.
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Affiliation(s)
- Ran Xu
- Department of Neurosurgery, Xuanwu HospitalCapital Medical UniversityBeijingChina
- China International Neuroscience Institute (China‐INI)BeijingChina
| | - Tianhua Li
- Department of Neurosurgery, Xuanwu HospitalCapital Medical UniversityBeijingChina
- China International Neuroscience Institute (China‐INI)BeijingChina
| | - Jichang Luo
- Department of Neurosurgery, Xuanwu HospitalCapital Medical UniversityBeijingChina
- China International Neuroscience Institute (China‐INI)BeijingChina
| | - Xiao Zhang
- Department of Neurosurgery, Xuanwu HospitalCapital Medical UniversityBeijingChina
- China International Neuroscience Institute (China‐INI)BeijingChina
| | - Tao Wang
- Department of Neurosurgery, Xuanwu HospitalCapital Medical UniversityBeijingChina
- China International Neuroscience Institute (China‐INI)BeijingChina
| | - Yabing Wang
- Department of Neurosurgery, Xuanwu HospitalCapital Medical UniversityBeijingChina
- China International Neuroscience Institute (China‐INI)BeijingChina
| | - Yan Ma
- Department of Neurosurgery, Xuanwu HospitalCapital Medical UniversityBeijingChina
- China International Neuroscience Institute (China‐INI)BeijingChina
| | - Bin Yang
- Department of Neurosurgery, Xuanwu HospitalCapital Medical UniversityBeijingChina
- China International Neuroscience Institute (China‐INI)BeijingChina
| | - Jinzhu Jia
- School of Public Health and Center for Statistical SciencePeking UniversityBeijingChina
| | - Adam A. Dmytriw
- Neuroendovascular Program, Massachusetts General HospitalHarvard Medical SchoolBostonMassachusettsUSA
| | - Wenjing Li
- Laboratory of Computational Biology and Machine Intelligence, National Laboratory of Pattern RecognitionInstitute of Automation, Chinese Academy of SciencesBeijingChina
- School of Artificial IntelligenceUniversity of Chinese Academy of SciencesBeijingChina
| | - Liqun Jiao
- Department of Neurosurgery, Xuanwu HospitalCapital Medical UniversityBeijingChina
- China International Neuroscience Institute (China‐INI)BeijingChina
- Department of Interventional Neuroradiology, Xuanwu HospitalCapital Medical UniversityBeijingChina
- Daepartment of Neurosurgery and Neurology, Jinan Hospital of Xuanwu HospitalShandong First Medical UniversityJinanChina
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Fan Y, Wang L, Han X, Ma H, Zhang N, She L. LncRNA ASB16-AS1 accelerates cellular process and chemoresistance of ovarian cancer cells by regulating GOLM1 expression via targeting miR-3918. Biochem Biophys Res Commun 2023; 675:1-9. [PMID: 37429067 DOI: 10.1016/j.bbrc.2023.06.068] [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: 05/08/2023] [Revised: 06/12/2023] [Accepted: 06/19/2023] [Indexed: 07/12/2023]
Abstract
BACKGROUND Reportedly, ovarian cancer (OC) is a major threat to women's health. Long non-coding RNA (lncRNA) ASB16-AS1 has been uncovered to participate in cancer progression. Nevertheless, the role of ASB16-AS1 in OC remains to be revealed. PURPOSE This study aimed to unveil the biological function of ASB16-AS1 and its underlying mechanisms in OC cells. METHODS QRT-PCR was done to test ASB16-AS1 expression in OC cells. Functional assays were performed to evaluate the malignant behaviors and cisplatin resistance of OC cells. Mechanistic analyses were done to investigate the regulatory molecular mechanism in OC cells. RESULTS ASB16-AS1 was found to be highly expressed in OC cells. ASB16-AS1 knockdown repressed proliferation, migration, and invasion of OC cells, while facilitating cell apoptosis. ASB16-AS1 was further validated to up-regulate GOLM1 through competitively binding with miR-3918. Moreover, miR-3918 overexpression was corroborated to suppress OC cell growth. Rescue assays further uncovered that ASB16-AS1 modulated the malignant processes of OC cells via targeting miR-3918/GOLM1 axis. CONCLUSION ASB16-AS1 facilitates the malignant processes and chemoresistance of OC cells via serving as miR-3918 sponge and positively modulating GOLM1 expression.
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Affiliation(s)
- Yang Fan
- Department of Gynaecology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, 750000, Ningxia, China.
| | - Long Wang
- Ningxia Medical University, Yinchuan, 750004, Ningxia, China
| | - Xuechuang Han
- Department of Gynaecology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, 750000, Ningxia, China
| | - Hongyun Ma
- Department of Gynaecology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, 750000, Ningxia, China
| | - Na Zhang
- Department of Gynaecology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, 750000, Ningxia, China
| | - Lina She
- Department of Gynaecology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, 750000, Ningxia, China
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Zhang HB, Hu Y, Deng JL, Fang GY, Zeng Y. Insights into the involvement of long non-coding RNAs in doxorubicin resistance of cancer. Front Pharmacol 2023; 14:1243934. [PMID: 37781691 PMCID: PMC10540237 DOI: 10.3389/fphar.2023.1243934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 08/31/2023] [Indexed: 10/03/2023] Open
Abstract
Doxorubicin is one of the most classical chemotherapeutic drugs for the treatment of cancer. However, resistance to the cytotoxic effects of doxorubicin in tumor cells remains a major obstacle. Aberrant expression of long non-coding RNAs (lncRNAs) has been associated with tumorigenesis and development via regulation of chromatin remodeling, transcription, and post-transcriptional processing. Emerging studies have also revealed that dysregulation of lncRNAs mediates the development of drug resistance through multiple molecules and pathways. In this review, we focus on the role and mechanism of lncRNAs in the progress of doxorubicin resistance in various cancers, which mainly include cellular drug transport, cell cycle disorder, anti-apoptosis, epithelial-mesenchymal transition, cancer stem cells, autophagy, tumor microenvironment, metabolic reprogramming and signaling pathways. This review is aimed to provide potential therapeutic targets for future cancer therapy, especially for the reversal of chemoresistance.
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Affiliation(s)
- Hai-Bo Zhang
- Department of Pharmacy, Hangzhou Women’s Hospital (Hangzhou Maternity and Child Health Care Hospital), Hangzhou, China
| | - Yang Hu
- Guangzhou Institute of Respiratory Disease and China State Key Laboratory of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jun-Li Deng
- Department of Pharmacy, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Guo-Ying Fang
- Department of Pharmacy, Hangzhou Women’s Hospital (Hangzhou Maternity and Child Health Care Hospital), Hangzhou, China
| | - Ying Zeng
- Department of Pharmacy, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
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Zuo T, Liu Y, Duan M, Pu X, Huang M, Zhang D, Xie J. Platelet-derived growth factor PDGF-AA upregulates connexin 43 expression and promotes gap junction formations in osteoblast cells through p-Akt signaling. Biochem Biophys Rep 2023; 34:101462. [PMID: 37025987 PMCID: PMC10070375 DOI: 10.1016/j.bbrep.2023.101462] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 03/14/2023] [Accepted: 03/23/2023] [Indexed: 03/30/2023] Open
Abstract
Gap junctions, which are mainly composed of connexin units, play an indispensable role in cell morphogenesis, proliferation, migration, adhesion and differentiation of osteoblast lineage cells, and thus mediate bone development, homeostasis and disease occurrence. Platelet-derived growth factor-AA (PDGF-AA) is proved to have a great influence on osteoblast cell lines and is widely applied in the field of bone defect and wound healing. However, the role of PDGF-AA on gap junction formation in the osteoblast lineage remains elusive. In the current study, we aimed to investigate the impact of PDGF-AA on gap junction formation and cell-to-cell communication in the osteoblast lineage and explore its underlying biomechanism. We first found that PDGF-AA promoted cell proliferation and thus increased gap junction formations in living primary osteoblasts and MC3T3-E1 cells through scrape loading and dye transfer (SL/DT) assay. We then confirmed that PDGF-AA enhanced gap junction formations through up-regulation of connexin 43 (Cx43). We next detected the activation of p-Akt signaling in primary osteoblasts and MC3T3-E1 cells that were induced by PDGF-AA. Through inhibitory experiments, we further confirmed that PDGF-AA-mediated gap junction formation occurred via the activation of PI3K/Akt signaling. Taking together, our results provided evidences that PDGF-AA promoted gap junction formation in the osteoblast lineage through p-Akt signaling, which helped to understand the role of PDGF-AA in bone regeneration and diseases.
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Affiliation(s)
- Tao Zuo
- Orthopedics Department, First Clinical College, Xuzhou Medical University, Jiangsu, China
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yang Liu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Mengmeng Duan
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xiaohua Pu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Minglei Huang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Demao Zhang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jing Xie
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China
- Corresponding author. Principle Investigator of Bone and joint research lab, State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610064, China.
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Liu X, Hu Y, Xue Z, Zhang X, Liu X, Liu G, Wen M, Chen A, Huang B, Li X, Yang N, Wang J. Valtrate, an iridoid compound in Valeriana, elicits anti-glioblastoma activity through inhibition of the PDGFRA/MEK/ERK signaling pathway. J Transl Med 2023; 21:147. [PMID: 36829235 PMCID: PMC9960449 DOI: 10.1186/s12967-023-03984-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 02/13/2023] [Indexed: 02/26/2023] Open
Abstract
BACKGROUND Valtrate, a natural compound isolated from the root of Valeriana, exhibits antitumor activity in many cancers through different mechanisms. However, its efficacy for the treatment of glioblastoma (GBM), a tumor type with a poor prognosis, has not yet been rigorously investigated. METHODS GBM cell lines were treated with valtrate and CCK-8, colony formation and EdU assays, flow cytometry, and transwell, 3D tumor spheroid invasion and GBM-brain organoid co-culture invasion assays were performed to assess properties of proliferation, viability, apoptosis and invasion/migration. RNA sequencing analysis on valtrate-treated cells was performed to identify putative target genes underlying the antitumor activity of the drug in GBM cells. Western blot analysis, immunofluorescence and immunohistochemistry were performed to evaluate protein levels in valtrate-treated cell lines and in samples obtained from orthotopic xenografts. A specific activator of extracellular signal-regulated kinase (ERK) was used to identify the pathways mediating the effect. RESULTS Valtrate significantly inhibited the proliferation of GBM cells in vitro by inducing mitochondrial apoptosis and suppressed invasion and migration of GBM cells by inhibiting levels of proteins associated with epithelial mesenchymal transition (EMT). RNA sequencing analysis of valtrate-treated GBM cells revealed platelet-derived growth factor receptor A (PDGFRA) as a potential target downregulated by the drug. Analysis of PDGFRA protein and downstream mediators demonstrated that valtrate inhibited PDGFRA/MEK/ERK signaling. Finally, treatment of tumor-bearing nude mice with valtrate led to decreased tumor volume (fivefold difference at day 28) and enhanced survival (day 27 vs day 36, control vs valtrate-treated) relative to controls. CONCLUSIONS Taken together, our study demonstrated that the natural product valtrate elicits antitumor activity in GBM cells through targeting PDGFRA and thus provides a candidate therapeutic compound for the treatment of GBM.
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Affiliation(s)
- Xuemeng Liu
- grid.452402.50000 0004 1808 3430Department of Neurosurgery, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Qilu Hospital, Shandong University, Jinan, 250012 China ,grid.27255.370000 0004 1761 1174Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117 China
| | - Yaotian Hu
- grid.452402.50000 0004 1808 3430Department of Neurosurgery, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Qilu Hospital, Shandong University, Jinan, 250012 China ,grid.27255.370000 0004 1761 1174Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117 China
| | - Zhiyi Xue
- grid.452402.50000 0004 1808 3430Department of Neurosurgery, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Qilu Hospital, Shandong University, Jinan, 250012 China ,grid.27255.370000 0004 1761 1174Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117 China
| | - Xun Zhang
- grid.452402.50000 0004 1808 3430Department of Neurosurgery, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Qilu Hospital, Shandong University, Jinan, 250012 China ,grid.27255.370000 0004 1761 1174Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117 China
| | - Xiaofei Liu
- grid.452402.50000 0004 1808 3430Department of Neurosurgery, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Qilu Hospital, Shandong University, Jinan, 250012 China ,grid.27255.370000 0004 1761 1174Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117 China
| | - Guowei Liu
- grid.452402.50000 0004 1808 3430Department of Neurosurgery, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Qilu Hospital, Shandong University, Jinan, 250012 China ,grid.27255.370000 0004 1761 1174Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117 China
| | - Muzi Wen
- grid.284723.80000 0000 8877 7471School of Public Health, Southern Medical University, Foushan, 528000 China
| | - Anjing Chen
- grid.452402.50000 0004 1808 3430Department of Neurosurgery, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Qilu Hospital, Shandong University, Jinan, 250012 China ,grid.27255.370000 0004 1761 1174Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117 China
| | - Bin Huang
- grid.452402.50000 0004 1808 3430Department of Neurosurgery, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Qilu Hospital, Shandong University, Jinan, 250012 China ,grid.27255.370000 0004 1761 1174Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117 China
| | - Xingang Li
- grid.452402.50000 0004 1808 3430Department of Neurosurgery, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Qilu Hospital, Shandong University, Jinan, 250012 China ,grid.27255.370000 0004 1761 1174Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117 China
| | - Ning Yang
- Department of Neurosurgery, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Qilu Hospital, Shandong University, Jinan, 250012, China. .,Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117, China. .,Department of Epidemiology and Health Statistics, School of Public Health, Shandong University, Jinan, 250012, China.
| | - Jian Wang
- Department of Neurosurgery, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Qilu Hospital, Shandong University, Jinan, 250012, China. .,Jinan Microecological Biomedicine Shandong Laboratory and Shandong Key Laboratory of Brain Function Remodeling, Jinan, 250117, China. .,Department of Biomedicine, University of Bergen, Jonas Lies Vei 91, 5009, Bergen, Norway.
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XU JINGYAO, HAO SHUANGLI, HAN KAIYUE, YANG WANXI, DENG HONG. How is the AKT/mTOR pathway involved in cell migration and invasion? BIOCELL 2023. [DOI: 10.32604/biocell.2023.026618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
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8
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LincRNAs and snoRNAs in Breast Cancer Cell Metastasis: The Unknown Players. Cancers (Basel) 2022; 14:cancers14184528. [PMID: 36139687 PMCID: PMC9496948 DOI: 10.3390/cancers14184528] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 09/10/2022] [Accepted: 09/16/2022] [Indexed: 11/17/2022] Open
Abstract
Recent advances in research have led to earlier diagnosis and targeted therapies against breast cancer, which has resulted in reduced breast cancer-related mortality. However, the majority of breast cancer-related deaths are due to metastasis of cancer cells to other organs, a process that has not been fully elucidated. Among the factors and genes implicated in the metastatic process regulation, non-coding RNAs have emerged as crucial players. This review focuses on the role of long intergenic noncoding RNAs (lincRNAs) and small nucleolar RNAs (snoRNAs) in breast cancer cell metastasis. LincRNAs are transcribed between two protein-coding genes and are longer than 200 nucleotides, they do not code for a specific protein but function as regulatory molecules in processes such as cell proliferation, apoptosis, epithelial-to-mesenchymal transition, migration, and invasion while most of them are highly elevated in breast cancer tissues and seem to function as competing endogenous RNAs (ceRNAs) inhibiting relevant miRNAs that specifically target vital metastasis-related genes. Similarly, snoRNAs are 60-300 nucleotides long and are found in the nucleolus being responsible for the post-transcriptional modification of ribosomal and spliceosomal RNAs. Most snoRNAs are hosted inside intron sequences of protein-coding and non-protein-coding genes, and they also regulate metastasis-related genes affecting related cellular properties.
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A Novel Thrombosis-Related Signature for Predicting Survival and Drug Compounds in Glioblastoma. JOURNAL OF ONCOLOGY 2022; 2022:6792850. [PMID: 35874629 PMCID: PMC9300384 DOI: 10.1155/2022/6792850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/12/2022] [Indexed: 12/02/2022]
Abstract
Glioblastoma is the most common primary tumor in the central nervous system, and thrombosis-associated genes are related to its occurrence and progression. Univariate Cox and LASSO regression analysis were utilized to develop a new prognostic signature based on thrombosis-associated genes. Gene ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG), and HALLMARK were used for functional annotation of risk signature. ESTIMATE, MCP-counter, xCell, and TIMER algorithms were used to quantify immune infiltration in the tumor microenvironment. Genomics of Drug Sensitivity in Cancer (GDSC) was used for selecting potential drug compounds. Risk signature based on thrombosis-associated genes shows moderate performance in prognosis prediction. The functional annotation of the risk signature indicates that the signaling pathways related to the cell cycle, apoptosis, tumorigenesis, and immune suppression are rich in the high-risk group. Somatic mutation analysis shows that tumor-suppressive gene TP53 and oncogene PTEN have higher expression in low-risk and high-risk groups, respectively. Potential drug compounds are explored in risk score groups and show higher AUC values in the low-risk score group. A nomogram with valuable prognostic factors exhibits high sensitivity in predicting the survival outcome of GBM patients. Our research screens out multiple thromboses-associated genes with remarkable clinical significance in GBM and further develops a meaningful prognostic risk signature predicting drug sensitivity and survival outcome.
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Spano D, Colanzi A. Golgi Complex: A Signaling Hub in Cancer. Cells 2022; 11:1990. [PMID: 35805075 PMCID: PMC9265605 DOI: 10.3390/cells11131990] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/17/2022] [Accepted: 06/19/2022] [Indexed: 02/01/2023] Open
Abstract
The Golgi Complex is the central hub in the endomembrane system and serves not only as a biosynthetic and processing center but also as a trafficking and sorting station for glycoproteins and lipids. In addition, it is an active signaling hub involved in the regulation of multiple cellular processes, including cell polarity, motility, growth, autophagy, apoptosis, inflammation, DNA repair and stress responses. As such, the dysregulation of the Golgi Complex-centered signaling cascades contributes to the onset of several pathological conditions, including cancer. This review summarizes the current knowledge on the signaling pathways regulated by the Golgi Complex and implicated in promoting cancer hallmarks and tumor progression.
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Affiliation(s)
- Daniela Spano
- Institute of Biochemistry and Cell Biology, National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
| | - Antonino Colanzi
- Institute for Endocrinology and Experimental Oncology “G. Salvatore”, National Research Council, 80131 Naples, Italy;
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Balahmar RM, Ranganathan B, Ebegboni V, Alamir J, Rajakumar A, Deepak V, Sivasubramaniam S. Analyses of selected tumour-associated factors expression in normotensive and preeclamptic placenta. Pregnancy Hypertens 2022; 29:36-45. [PMID: 35717832 DOI: 10.1016/j.preghy.2022.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 06/04/2022] [Accepted: 06/07/2022] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Human placenta is often considered a controlled-tumour because of shared properties such as invasion and angiogenesis. We assessed the status of a few selected tumour-associated factors (TAFs) in late onset pre-eclamptic (PE) and normotensive (NT) placentae, to understand their involvement in trophoblast invasion. These molecules include aldehyde dehydrogenase (ALDH3A1), aurora kinases (AURK-A/C), platelet derived growth factor receptor-α (PDGFRα), jagged-1 (JAG1) and twist related protein-1 (TWIST1). METHODS The expression of TAF was compared in 13 NT and 11 PE (late onset) placentae using immunoblotting/immunohistochemistry. We then used a novel spheroidal cell model developed from transformed human first trimester trophoblast cell lines HTR8/SVneo and TEV-1 to determine the expression and localization of these six factors during invasion. We also compared the expression of these TAFs during migration and invasion. RESULTS Our results suggest that expressions of ALDH3A1, AURK-A, PDGFRα, and TWIST1 are significantly upregulated in PE placentae (p < 0.05) when compared to NT placentae, whereas AURK-C and JAG1 are down-regulated (p < 0.05). The protein expression pattern of all the six factors were found to be similar in spheroids in comparison to their parental counterparts. The invasive potential of the spheroids was also enhanced when compared with the parental cells. DISCUSSION Collectively, data from our present study suggests that these TAFs are involved in placental invasion and their altered expressions may be regarded as a compensatory mechanism against reduced invasion.
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Affiliation(s)
- Reham M Balahmar
- School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, United Kingdom
| | - Bhuvaneshwari Ranganathan
- School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, United Kingdom
| | - Vernon Ebegboni
- School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, United Kingdom
| | - Jumanah Alamir
- School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, United Kingdom
| | - Augustine Rajakumar
- Department of Gynecology & Obstetrics(3), Emory University School of Medicine, Atlanta, GA 30033, USA
| | - Venkataraman Deepak
- School of Human Sciences, College of Life and Natural Sciences, University of Derby, Kedleston Road, Derby DE22 1GB, United Kingdom.
| | - Shiva Sivasubramaniam
- School of Human Sciences, College of Life and Natural Sciences, University of Derby, Kedleston Road, Derby DE22 1GB, United Kingdom.
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12
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Ding D, Zhang Y, Zhang X, Shi K, Shang W, Ying J, Wang L, Chen Z, Hong H. MiR-30a-3p Suppresses the Growth and Development of Lung Adenocarcinoma Cells Through Modulating GOLM1/JAK-STAT Signaling. Mol Biotechnol 2022; 64:1143-1151. [PMID: 35438415 DOI: 10.1007/s12033-022-00497-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 04/11/2022] [Indexed: 11/27/2022]
Abstract
A considerable amount of people succumbs to lung adenocarcinoma (LUAD) due to its high incidence and mortality. This study attempted to reveal the impacts of GOLM1 on LUAD. This work analyzed GOLM1 expression in LUAD and normal tissue and studied its prognostic value utilizing data from The Cancer Genome Atlas. RNA and protein levels were, respectively, determined utilizing qRT-PCR and western blot. Cell-aggressive behaviors were assessed employing Cell Counting Kit-8, scratch healing, and Transwell assays. The targetting relationship between GOLM1 and miR-30a-3p was assayed by dual-luciferase method. GOLM1 up-regulation in LUAD was found in TCGA and it was also a negative factor for survival in patients. GOLM1 overexpression promoted cell progression in LUAD. Down-regulated miR-30a-3p in LUAD was an upstream regulatory miRNA of GOLM1 in terms of molecular mechanism. Further, rescue assays illustrated that miR-30a-3p overexpression attenuated the GOLM1 facilitating impacts on LUAD progression. Finally, we proved that miR-30a-3p/GOLM1 regulated progression of LUAD cells via JAK-STAT pathway. Collectively, the inhibitory impacts of miR-30a-3p on LUAD growth may be mediated by GOLM1/JAK-STAT, which may contribute to the diagnosis of LUAD therapy and the development of therapeutic tools.
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Affiliation(s)
- Dongxiao Ding
- Department of Thoracic Surgery, The People's Hospital of Beilun District (Beilun Branch of the First Affiliated Hospital of Medical College of Zhejiang University), No.1288, East Lushan Road, Xinqi Sub-District, Beilun District, Zhejiang Province, Ningbo City, 315800, China
| | - Yunqiang Zhang
- Department of Thoracic Surgery, The People's Hospital of Beilun District (Beilun Branch of the First Affiliated Hospital of Medical College of Zhejiang University), No.1288, East Lushan Road, Xinqi Sub-District, Beilun District, Zhejiang Province, Ningbo City, 315800, China
| | - Xuede Zhang
- Department of Thoracic Surgery, The People's Hospital of Beilun District (Beilun Branch of the First Affiliated Hospital of Medical College of Zhejiang University), No.1288, East Lushan Road, Xinqi Sub-District, Beilun District, Zhejiang Province, Ningbo City, 315800, China
| | - Ke Shi
- Department of Thoracic Surgery, The People's Hospital of Beilun District (Beilun Branch of the First Affiliated Hospital of Medical College of Zhejiang University), No.1288, East Lushan Road, Xinqi Sub-District, Beilun District, Zhejiang Province, Ningbo City, 315800, China
| | - Wenjun Shang
- Department of Thoracic Surgery, The People's Hospital of Beilun District (Beilun Branch of the First Affiliated Hospital of Medical College of Zhejiang University), No.1288, East Lushan Road, Xinqi Sub-District, Beilun District, Zhejiang Province, Ningbo City, 315800, China
| | - Junjie Ying
- Department of Thoracic Surgery, The People's Hospital of Beilun District (Beilun Branch of the First Affiliated Hospital of Medical College of Zhejiang University), No.1288, East Lushan Road, Xinqi Sub-District, Beilun District, Zhejiang Province, Ningbo City, 315800, China
| | - Li Wang
- Department of Thoracic Surgery, The People's Hospital of Beilun District (Beilun Branch of the First Affiliated Hospital of Medical College of Zhejiang University), No.1288, East Lushan Road, Xinqi Sub-District, Beilun District, Zhejiang Province, Ningbo City, 315800, China
| | - Zhongjie Chen
- Department of Thoracic Surgery, The People's Hospital of Beilun District (Beilun Branch of the First Affiliated Hospital of Medical College of Zhejiang University), No.1288, East Lushan Road, Xinqi Sub-District, Beilun District, Zhejiang Province, Ningbo City, 315800, China
| | - Haihua Hong
- Department of Thoracic Surgery, The People's Hospital of Beilun District (Beilun Branch of the First Affiliated Hospital of Medical College of Zhejiang University), No.1288, East Lushan Road, Xinqi Sub-District, Beilun District, Zhejiang Province, Ningbo City, 315800, China.
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13
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Liu Y, Hu X, Liu S, Zhou S, Chen Z, Jin H. Golgi Phosphoprotein 73: The Driver of Epithelial-Mesenchymal Transition in Cancer. Front Oncol 2021; 11:783860. [PMID: 34950590 PMCID: PMC8688837 DOI: 10.3389/fonc.2021.783860] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 11/15/2021] [Indexed: 12/30/2022] Open
Abstract
Golgi phosphoprotein 73 (GP73, also termed as GOLM1 or GOLPH2) is a glycosylated protein residing on cis-Golgi cisternae and highly expressed in various types of cancer tissues. Since GP73 is a secretory protein and detectable in serum derived from cancer patients, it has been regarded as a novel serum biomarker for the diagnosis of different cancers, especially hepatocellular carcinoma (HCC). However, the functional roles of GP73 in cancer development are still poorly understood. In recent years, it has been discovered that GP73 acts as a multifunctional protein-facilitating cancer progression, and strikingly, it has been identified as a leading factor promoting epithelial-mesenchymal transition (EMT) of cancer cells and causing cancer metastasis. In this review, we have overviewed the latest findings of the functional roles of GP73 in elevating cancer progression, especially in facilitating EMT and cancer metastasis through modulating expression, transactivation, and trafficking of EMT-related proteins. In addition, unsolved research fields of GP73 have been lightened, which might be helpful to elucidate the regulatory mechanisms of GP73 on EMT and provide potential approaches in therapeutics against cancer metastasis.
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Affiliation(s)
- Yiming Liu
- Laboratory of Cancer Biology, Key Laboratory of Biotherapy of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Cancer Center, Zhejiang University, Hangzhou, China
| | - Xinyang Hu
- Laboratory of Cancer Biology, Key Laboratory of Biotherapy of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Cancer Center, Zhejiang University, Hangzhou, China
| | - Shiyao Liu
- Laboratory of Cancer Biology, Key Laboratory of Biotherapy of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Cancer Center, Zhejiang University, Hangzhou, China
| | - Sining Zhou
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhi Chen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hongchuan Jin
- Laboratory of Cancer Biology, Key Laboratory of Biotherapy of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Cancer Center, Zhejiang University, Hangzhou, China
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14
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Liu Y, Duan M, Guo D, Kan S, Zhang L, Aili M, Zhang D, Du W, Xie J. PDGF-AA promotes cell-to-cell communication in osteocytes through PI3K/Akt signaling pathway. Acta Biochim Biophys Sin (Shanghai) 2021; 53:1640-1649. [PMID: 34586354 DOI: 10.1093/abbs/gmab136] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 08/24/2021] [Accepted: 09/23/2021] [Indexed: 02/05/2023] Open
Abstract
Osteocytes are the main sensitive cells in bone remodeling due to their potent functional cell processes from the mineralized bone matrix to the bone surface and the bone marrow. Neighboring osteocytes communicate with each other by these cell processes to achieve molecular exchange through gap junction channels. Platelet-derived growth factor-AA (PDGF-AA) has been reported to enhance bone tissue remodeling by promoting cell proliferation, migration, and autocrine secretion in osteoid cell linage. However, the effect of PDGF-AA on intercellular communication between osteocytes is still unclear. In the present study, we elucidated that PDGF-AA could enhance the formation of dendritic processes of osteocytes and the gap junctional intercellular communication by promoting the expression of connexin43 (Cx43). This modulation process was mainly dependent on the activation of phosphorylation of Akt protein by phosphatidylinositol 3-kinase (PI3K)/Akt (also known as protein kinase B, PKB) signaling. Inhibition of PI3K/Akt signaling decreased the Cx43 expression induced by PDGF-AA. These results establish a bridge between PDGF-AA and cell-cell communication in osteocytes, which could help us understand the molecular exchange between bone cells and fracture healing.
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Affiliation(s)
- Yang Liu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Mengmeng Duan
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Daimo Guo
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Shiyi Kan
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Li Zhang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Munire Aili
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Demao Zhang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Wei Du
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
- National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
- Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Jing Xie
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
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15
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Momtazmanesh S, Rezaei N. Long Non-Coding RNAs in Diagnosis, Treatment, Prognosis, and Progression of Glioma: A State-of-the-Art Review. Front Oncol 2021; 11:712786. [PMID: 34322395 PMCID: PMC8311560 DOI: 10.3389/fonc.2021.712786] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 06/25/2021] [Indexed: 12/12/2022] Open
Abstract
Glioma is the most common malignant central nervous system tumor with significant mortality and morbidity. Despite considerable advances, the exact molecular pathways involved in tumor progression are not fully elucidated, and patients commonly face a poor prognosis. Long non-coding RNAs (lncRNAs) have recently drawn extra attention for their potential roles in different types of cancer as well as non-malignant diseases. More than 200 lncRNAs have been reported to be associated with glioma. We aimed to assess the roles of the most investigated lncRNAs in different stages of tumor progression and the mediating molecular pathways in addition to their clinical applications. lncRNAs are involved in different stages of tumor formation, invasion, and progression, including regulating the cell cycle, apoptosis, autophagy, epithelial-to-mesenchymal transition, tumor stemness, angiogenesis, the integrity of the blood-tumor-brain barrier, tumor metabolism, and immunological responses. The well-known oncogenic lncRNAs, which are upregulated in glioma, are H19, HOTAIR, PVT1, UCA1, XIST, CRNDE, FOXD2-AS1, ANRIL, HOXA11-AS, TP73-AS1, and DANCR. On the other hand, MEG3, GAS5, CCASC2, and TUSC7 are tumor suppressor lncRNAs, which are downregulated. While most studies reported oncogenic effects for MALAT1, TUG1, and NEAT1, there are some controversies regarding these lncRNAs. Expression levels of lncRNAs can be associated with tumor grade, survival, treatment response (chemotherapy drugs or radiotherapy), and overall prognosis. Moreover, circulatory levels of lncRNAs, such as MALAT1, H19, HOTAIR, NEAT1, TUG1, GAS5, LINK-A, and TUSC7, can provide non-invasive diagnostic and prognostic tools. Modulation of expression of lncRNAs using antisense oligonucleotides can lead to novel therapeutics. Notably, a profound understanding of the underlying molecular pathways involved in the function of lncRNAs is required to develop novel therapeutic targets. More investigations with large sample sizes and increased focus on in-vivo models are required to expand our understanding of the potential roles and application of lncRNAs in glioma.
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Affiliation(s)
- Sara Momtazmanesh
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nima Rezaei
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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16
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Barek MA, Aziz MA, Jafrin S, Islam MS. Association of GOLPH2 gene polymorphisms (rs10868366 and rs7019241) with the risk of Alzheimer's disease: Evidence from a meta-analysis. Meta Gene 2021. [DOI: 10.1016/j.mgene.2021.100868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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17
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Li Z, Li Y, Wang X, Liang Y, Luo D, Han D, Li C, Chen T, Zhang H, Liu Y, Wang Z, Chen B, Wang L, Zhao W, Yang Q. LINC01977 Promotes Breast Cancer Progression and Chemoresistance to Doxorubicin by Targeting miR-212-3p/GOLM1 Axis. Front Oncol 2021; 11:657094. [PMID: 33869063 PMCID: PMC8046671 DOI: 10.3389/fonc.2021.657094] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 03/15/2021] [Indexed: 12/12/2022] Open
Abstract
Long non-coding RNAs(lncRNAs) play an important role in cancer initiation and progression. However, hub lncRNAs involved in breast cancer still remain underexplored. In this study, integrated bioinformatics analysis was used to define LINC01977 as a key oncogenic driver in breast cancer. Subsequently, in vitro assays showed that LINC01977 could significantly promote breast cancer progression and chemoresistance to doxorubicin. To further investigate its biological mechanism, we performed dual-luciferase reporter assay, real-time PCR, RNA immunoprecipitation (RIP), and rescue assay. Our results indicated that LINC01977 may function as ceRNA to prevent GOLM1 gene from miRNA-mediated repression by sponging miR-212-3p. Overall, LINC01977 can serve as a novel prognostic indicator, and help develop more effective therapeutic approaches for breast cancer patients.
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Affiliation(s)
- Zheng Li
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Yaming Li
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Xiaolong Wang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Yiran Liang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Dan Luo
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Dianwen Han
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Chen Li
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Tong Chen
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Hanwen Zhang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Ying Liu
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Zekun Wang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Bing Chen
- Pathology Tissue Bank, Qilu Hospital of Shandong University, Jinan, China
| | - Lijuan Wang
- Pathology Tissue Bank, Qilu Hospital of Shandong University, Jinan, China
| | - Wenjing Zhao
- Pathology Tissue Bank, Qilu Hospital of Shandong University, Jinan, China
| | - Qifeng Yang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, China.,Pathology Tissue Bank, Qilu Hospital of Shandong University, Jinan, China.,Research Institute of Breast Cancer, Shandong University, Jinan, China
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18
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Wang X, Cao Q, Shi Y, Wu X, Mi Y, Liu K, Kan Q, Fan R, Liu Z, Zhang M. Identification of low-dose radiation-induced exosomal circ-METRN and miR-4709-3p/GRB14/PDGFRα pathway as a key regulatory mechanism in Glioblastoma progression and radioresistance: Functional validation and clinical theranostic significance. Int J Biol Sci 2021; 17:1061-1078. [PMID: 33867829 PMCID: PMC8040305 DOI: 10.7150/ijbs.57168] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 02/18/2021] [Indexed: 12/22/2022] Open
Abstract
Glioblastoma is a central nervous malignancy with a very poor prognosis. This study attempted to explore the role of exosomes induced by low-dose radiation-induced (ldrEXOs) and ldrEXOs-derived circ-METRN in glioblastoma progression and radioresistance at the molecular, cellular, animal, and clinical levels. Results in the present study revealed that low-dose radiation stimulated the secretion of ldrEXOs which delivered high levels of circ-METRN. And circ-METRN-abundant ldrEXOs increased the expression of γ-H2AX, indicating an efficient DNA damage-repair process in glioblastoma cells. The ldrEXOs-derived circ-METRN enhanced the glioblastoma progression and radioresistance via miR-4709-3p/GRB14/PDGFRα pathway. Up-regulating PDGFRα can rescue the tumor-promoting function of ldrEXOs in groups previously treated with inhibition of GRB14. Additionally, in-vivo experiments revealed that treatments with ldrEXOs promoted the growth of xenografted tumors and shortened the survival period. Furthermore, clinical researches indicated that circ-METRN may be transported into the bloodstream by exosomes in the early stages of fractionated radiotherapy. It has important clinical values to detect the serum exosomal circ-METRN in the early stage of radiotherapy, which is not only conducive to predict radioresistance and prognosis but also to assist MRI diagnosis in detecting the very early recurrence of glioblastoma. In summary, this study reveals for the first time that low-dose radiation-induced exosomal circ-METRN plays an oncogenic role in glioblastoma progression and radioresistance through miR-4709-3p/GRB14/PDGFRα pathway, providing mechanistic insights into the roles of circRNAs and a valuable marker for therapeutic targets in glioblastoma.
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Affiliation(s)
- Xinxin Wang
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
| | - Qinchen Cao
- Department of Radiation Therapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
| | - Yonggang Shi
- Department of Radiation Therapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
| | - Xiaolong Wu
- Department of Medical Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
| | - Yin Mi
- Department of Radiation Therapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
| | - Ke Liu
- Department of Radiation Therapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
| | - Quancheng Kan
- Department of Pharmacy and Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
| | - Ruitai Fan
- Department of Radiation Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
| | - Zhangsuo Liu
- Department of Pharmacy and Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
| | - Mingzhi Zhang
- Department of Medical Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
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19
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Oxidative Stress Underlies the Ischemia/Reperfusion-Induced Internalization and Degradation of AMPA Receptors. Int J Mol Sci 2021; 22:ijms22020717. [PMID: 33450848 PMCID: PMC7828337 DOI: 10.3390/ijms22020717] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/08/2021] [Accepted: 01/11/2021] [Indexed: 12/27/2022] Open
Abstract
Stroke is the fifth leading cause of death annually in the United States. Ischemic stroke occurs when a blood vessel supplying the brain is occluded. The hippocampus is particularly susceptible to AMPA receptor-mediated delayed neuronal death as a result of ischemic/reperfusion injury. AMPA receptors composed of a GluA2 subunit are impermeable to calcium due to a post-transcriptional modification in the channel pore of the GluA2 subunit. GluA2 undergoes internalization and is subsequently degraded following ischemia/reperfusion. The subsequent increase in the expression of GluA2-lacking, Ca2+-permeable AMPARs results in excitotoxicity and eventually delayed neuronal death. Following ischemia/reperfusion, there is increased production of superoxide radicals. This study describes how the internalization and degradation of GluA1 and GluA2 AMPAR subunits following ischemia/reperfusion is mediated through an oxidative stress signaling cascade. U251-MG cells were transiently transfected with fluorescently tagged GluA1 and GluA2, and different Rab proteins to observe AMPAR endocytic trafficking following oxygen glucose-deprivation/reperfusion (OGD/R), an in vitro model for ischemia/reperfusion. Pretreatment with Mn(III)tetrakis(1-methyl-4-pyridyl)porphyrin (MnTMPyP), a superoxide dismutase mimetic, ameliorated the OGD/R-induced, but not agonist-induced, internalization and degradation of GluA1 and GluA2 AMPAR subunits. Specifically, MnTMPyP prevented the increased colocalization of GluA1 and GluA2 with Rab5, an early endosomal marker, and with Rab7, a late endosomal marker, but did not affect the colocalization of GluA1 with Rab11, a marker for recycling endosomes. These data indicate that oxidative stress may play a vital role in AMPAR-mediated cell death following ischemic/reperfusion injury.
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20
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Tian Y, Cao R, Che B, Sun D, Tang Y, Jiang L, Bai Q, Liu Y, Morozova-Roche LA, Zhang C. Proinflammatory S100A9 Regulates Differentiation and Aggregation of Neural Stem Cells. ACS Chem Neurosci 2020; 11:3549-3556. [PMID: 33079539 DOI: 10.1021/acschemneuro.0c00365] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Inflammation is the primary pathological feature of neurodegenerative diseases such as Alzheimer's disease (AD) and Parkinson's disease. Proinflammatory molecules (e.g., S100A9) play important roles during the progression of the diseases by regulating behavior and fate of multiple cell types in the nervous system. Our earlier studies reveal that S100A9 is toxic to neurons, and its interaction with Aβ peptides leads to the formation of large nontoxic amyloidogenic aggregates, suggesting a protective role of coaggregation with Aβ amyloids. We herein demonstrate that S100A9 interacts with neural stem cells (NSCs) and causes NSC differentiation. In the brain of transgenic AD mouse models, we found large quantities of proinflammatory S100A9, which colocalizes with the differentiated NSCs. NSC sphere formation, which is a representative character of NSC stemness, is also substantially inhibited by S100A9. These results suggest that S100A9 is a representative marker for the inflammatory conditions in AD, and it promotes NSC differentiation. Intriguingly, in contrast to the death of both stem and differentiated NSCs caused by high S100A9 doses, S100A9 at a moderate concentration is toxic only to the early differentiated NSCs but not the stem cells. We therefore postulate that, at the early stage of AD, the expression of S100A9 leads to NSC differentiation, which remedies the neuron damage. The application of drugs, which help maintain NSC stemness (e.g., the platelet-derived growth factor, PDGF), may help overcome the acute inflammatory conditions and improve the efficacy of NSC transplantation therapy.
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Affiliation(s)
- Yin Tian
- Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University & Institute of Photonics and Photon-Technology, Northwest University, 1 Xue Fu Avenue, Xi’an, Shaanxi 710127, China
| | - Rui Cao
- Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University & Institute of Photonics and Photon-Technology, Northwest University, 1 Xue Fu Avenue, Xi’an, Shaanxi 710127, China
| | - Bingchen Che
- Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University & Institute of Photonics and Photon-Technology, Northwest University, 1 Xue Fu Avenue, Xi’an, Shaanxi 710127, China
| | - Dan Sun
- Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University & Institute of Photonics and Photon-Technology, Northwest University, 1 Xue Fu Avenue, Xi’an, Shaanxi 710127, China
| | - Yong Tang
- Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University & Institute of Photonics and Photon-Technology, Northwest University, 1 Xue Fu Avenue, Xi’an, Shaanxi 710127, China
| | - Lin Jiang
- Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University & Institute of Photonics and Photon-Technology, Northwest University, 1 Xue Fu Avenue, Xi’an, Shaanxi 710127, China
| | - Qiao Bai
- Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University & Institute of Photonics and Photon-Technology, Northwest University, 1 Xue Fu Avenue, Xi’an, Shaanxi 710127, China
| | - Yonggang Liu
- Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University & Institute of Photonics and Photon-Technology, Northwest University, 1 Xue Fu Avenue, Xi’an, Shaanxi 710127, China
| | | | - Ce Zhang
- Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University & Institute of Photonics and Photon-Technology, Northwest University, 1 Xue Fu Avenue, Xi’an, Shaanxi 710127, China
- Department of Pharmacy, Chongqing Three Gorges Medical College, Chongqing 404120, China
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Exosomal Long Non-coding RNAs: Emerging Players in the Tumor Microenvironment. MOLECULAR THERAPY. NUCLEIC ACIDS 2020; 23:1371-1383. [PMID: 33738133 PMCID: PMC7940039 DOI: 10.1016/j.omtn.2020.09.039] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Recent advances in exosome biology have uncovered a significant role of exosomes in cancer and make them a determining factor in intercellular communication. Exosomes are types of extracellular vesicles that are involved in the communication between cells by exchanging various signaling molecules between the surrounding cells. Among various signaling molecules, long non-coding RNAs (lncRNAs), a type of non-coding RNA having a size of more than 200 nt in length and lacking protein-coding potential, have emerged as crucial regulators of intercellular communication. Tumor-derived exosomes containing various lncRNAs, known as exosomal lncRNAs, reprogram the microenvironment by regulating numerous cellular functions, including the regulation of gene transcription that favors cancer growth and progression, thus significantly determining the biological effects of exosomes. In addition, deregulated expression of lncRNAs is found in various human cancers and serves as a diagnostic biomarker to predict cancer type. The present review discusses the role of exosomal lncRNAs in the crosstalk between tumor cells and the surrounding cells of the microenvironment. Furthermore, we also discuss the involvement of exosomal lncRNAs within the tumor microenvironment in favoring tumor growth, metabolic reprogramming of tumor cells, and tumor-supportive autophagy. Therefore, lncRNAs can be used as a therapeutic target in the treatment of various human cancers.
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Autophagy-Associated lncRNAs: Promising Targets for Neurological Disease Diagnosis and Therapy. Neural Plast 2020; 2020:8881687. [PMID: 33029125 PMCID: PMC7528122 DOI: 10.1155/2020/8881687] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/13/2020] [Accepted: 09/01/2020] [Indexed: 12/11/2022] Open
Abstract
Neurological diseases are a major threat to global public health and prosperity. The number of patients with neurological diseases is increasing due to the population aging and increasing life expectancy. Autophagy is one of the crucial mechanisms to maintain nerve cellular homeostasis. Numerous studies have demonstrated that autophagy plays a dual role in neurological diseases. Long noncoding RNAs (lncRNAs) are a vital class of noncoding RNAs with a length of more than 200 nucleotides and cannot encode proteins themselves but are expressed in most neurological diseases. An early phase, emerging knowledge has revealed that long noncoding RNAs (lncRNAs) are crucial in autophagy regulation. Furthermore, autophagy-associated lncRNAs can promote the development of neurological diseases or slow their progression. In this review, we introduce a general overview of lncRNA functional mechanisms and summarizes the recent progress of lncRNAs on autophagy regulation in neurological diseases to reveal possible novel therapeutic targets or useful biomarkers.
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Chen J, Liu X, Ke K, Zou J, Gao Z, Habuchi T, Yang X. LINC00992 contributes to the oncogenic phenotypes in prostate cancer via targeting miR-3935 and augmenting GOLM1 expression. BMC Cancer 2020; 20:749. [PMID: 32781986 PMCID: PMC7418399 DOI: 10.1186/s12885-020-07141-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 07/06/2020] [Indexed: 02/07/2023] Open
Abstract
Background Accumulating evidence has revealed the critical role of long non-coding RNAs (lncRNAs) in cellular processes during tumor progression. As documented in cancer-related literatures, LINC00992 expression is associated with cancer progression, whereas its function in tumors including prostate cancer has not been characterized yet. Methods Data from GEPIA database suggested LINC00992 expression in prostate cancer tissues. The expression levels of RNAs were monitored via qRT-PCR. Western blot evaluated the levels of proteins. The proliferation, apoptosis and migration of prostate cancer cells were assessed by CCK-8, EdU, TUNEL, Transwell and wound healing assays. Luciferase reporter, RNA pull down and RIP assays were applied to detect the interplays among LINC00992, miR-3935 and GOLM1. Results Elevated levels of LINC00992 and GOLM1 were detected in prostate cancer tissues and cells. LINC00992 exerted facilitating functions in prostate cancer cell proliferation and migration. Mechanically, LINC00992 interacted with and negatively regulated miR-3935 to elevate GOLM1 expression in prostate cancer cells. In addition, the in vitro suppressive effect of silenced LINC00992 on prostate cancer cell proliferation and migration was reversed by GOLM1 upregulation. Likewise, LINC00992 depletion restrained tumor growth in vivo was offset by enhanced GOLM1 expression. Conclusions LINC00992 competitively bound with miR-3935 to elevate GOLM1 expression and therefore facilitate the oncogenic phenotypes of prostate cancer cells, implying a potential LINC00992-targeted therapy for prostate cancer.
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Affiliation(s)
- Jianheng Chen
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Xiaodong Liu
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Kunbin Ke
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Jianan Zou
- Department of Urology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, 230031, Anhui, China
| | - Zhan Gao
- Department of Urology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Tomonori Habuchi
- Department of Urology, Akita University School of Medicine, Akita, 010-8543, Japan
| | - Xuezhen Yang
- Department of Urology, the Second Affiliated Hospital of Bengbu Medical College, 220 Hongye Road, Bengbu, 233000, Anhui, China.
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Chen J, Liu X, Ke K, Zou J, Gao Z, Habuchi T, Yang X. LINC00992 contributes to the oncogenic phenotypes in prostate cancer via targeting miR-3935 and augmenting GOLM1 expression. BMC Cancer 2020. [PMID: 32781986 DOI: 10.1186/s12885-020-07141-4;(corresponding] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Accumulating evidence has revealed the critical role of long non-coding RNAs (lncRNAs) in cellular processes during tumor progression. As documented in cancer-related literatures, LINC00992 expression is associated with cancer progression, whereas its function in tumors including prostate cancer has not been characterized yet. METHODS Data from GEPIA database suggested LINC00992 expression in prostate cancer tissues. The expression levels of RNAs were monitored via qRT-PCR. Western blot evaluated the levels of proteins. The proliferation, apoptosis and migration of prostate cancer cells were assessed by CCK-8, EdU, TUNEL, Transwell and wound healing assays. Luciferase reporter, RNA pull down and RIP assays were applied to detect the interplays among LINC00992, miR-3935 and GOLM1. RESULTS Elevated levels of LINC00992 and GOLM1 were detected in prostate cancer tissues and cells. LINC00992 exerted facilitating functions in prostate cancer cell proliferation and migration. Mechanically, LINC00992 interacted with and negatively regulated miR-3935 to elevate GOLM1 expression in prostate cancer cells. In addition, the in vitro suppressive effect of silenced LINC00992 on prostate cancer cell proliferation and migration was reversed by GOLM1 upregulation. Likewise, LINC00992 depletion restrained tumor growth in vivo was offset by enhanced GOLM1 expression. CONCLUSIONS LINC00992 competitively bound with miR-3935 to elevate GOLM1 expression and therefore facilitate the oncogenic phenotypes of prostate cancer cells, implying a potential LINC00992-targeted therapy for prostate cancer.
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Affiliation(s)
- Jianheng Chen
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Xiaodong Liu
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Kunbin Ke
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Jianan Zou
- Department of Urology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, 230031, Anhui, China
| | - Zhan Gao
- Department of Urology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Tomonori Habuchi
- Department of Urology, Akita University School of Medicine, Akita, 010-8543, Japan
| | - Xuezhen Yang
- Department of Urology, the Second Affiliated Hospital of Bengbu Medical College, 220 Hongye Road, Bengbu, 233000, Anhui, China.
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Li XM, Cao LL. Identification of GOLM1 as a positively regulator of tumor metastasis by regulating MMP13 in gastric carcinoma. Cancer Biomark 2020; 26:421-430. [PMID: 31640085 DOI: 10.3233/cbm-190301] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Metastatic gastric carcinoma (GC) is a typically incurable disease. The progression of anti-metastatic treatment is hampered because the underlying mechanisms regulating the metastasis of GC cell are not well illuminated. OBJECTIVE Therefore, further elucidation of the molecular mechanism behind the metastatic traits of GC cells is needed for optimizing GC treatment. METHODS The levels of GOLM1 and MMP13 in GC cells and tissues were measured by using qPCR assay. The growth of GC cells in vitro was detected using MTS and colony formation assays. The migration and invasion of GC cells was analyzed using wound healing test and Transwell invasion assay. The level of MMP13 in GC cell was measured using immunoblotting and the level of GOLM1 was measured using immunofluorescence staining. The role of GOLM1 on the distant metastasis of GC SGC7910 cell was analyzed using experimental metastasis assay. Transplanted tumor model was constructed to analyze the influence of GOLM1 on GC cell growth in vivo. RESULTS Here, we report that GOLM1 is over-expressed in GC and knockdown GOLM1 impairs the aggressive phenotypes of GC cell in vitro. Furthermore, downregulation of GOLM1 restrains the tumor growth of GC cell in nude mice. Nevertheless, upregulation of GOLM1 distinctly elevated the growth, migration ability and invasiveness of GC SGC7910 cell. Finally, GOLM1 increases the metastatic phenotypes of GC cell in a MMP13-dependent manner. CONCLUSIONS Altogether, this investigation demonstrates the crucial function of GOLM1 in the progression of GC, which indicating GOLM1 as a potential target for GC treatment.
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LncRNA MIR155HG Promotes Temozolomide Resistance by Activating the Wnt/β-Catenin Pathway Via Binding to PTBP1 in Glioma. Cell Mol Neurobiol 2020; 41:1271-1284. [PMID: 32529543 DOI: 10.1007/s10571-020-00898-z] [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: 03/15/2020] [Accepted: 06/04/2020] [Indexed: 12/20/2022]
Abstract
Temozolomide (TMZ) is widely used for glioma therapy in the clinic. Currently, the development of TMZ resistance has largely led to poor prognosis. However, very little is understood about the role of MIR155HG, as a long noncoding RNA, in TMZ resistance. In our study, MIR155HG level was markedly higher in glioma patients than in normal controls and that poor survival was positively correlated with MIR155HG expression. It was apparent that TMZ sensitivity was promoted by downregulation of MIR155HG, and this could be reversed by MIR155HG overexpression in vivo and in vitro. Furthermore, polypyrimidine tract binding protein 1 (PTBP1) was proven to bind with MIR155HG and to regulate MIR155HG-related TMZ resistance. Mechanistic investigation showed that the expression levels of both MIR155HG and PTBP1 influenced the expression of relevant proteins in the Wnt/β-catenin pathway. Collectively, the study demonstrated that the knockdown of MIR155HG increased glioma sensitivity to TMZ by inhibiting Wnt/β-catenin pathway activation via potently downregulating PTBP1.
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Liewen H, Markuly N, Läubli H, Liu Y, Matter MS, Liewen N, Renner C, Zippelius A, Stenner F. Therapeutic Targeting of Golgi Phosphoprotein 2 (GOLPH2) with Armed Antibodies: A Preclinical Study of Anti-GOLPH2 Antibody Drug Conjugates in Lung and Colorectal Cancer Models of Patient Derived Xenografts (PDX). Target Oncol 2020; 14:577-590. [PMID: 31541350 DOI: 10.1007/s11523-019-00667-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
BACKGROUND Golgi phosphoprotein 2 (GOLPH2) has been shown to be involved in chronic inflammatory processes and carcinogenesis. GOLPH2 is prominently overexpressed in hepatocellular carcinoma, melanoma, glioblastoma, prostate, lung, and colorectal cancer. With a low and tightly regulated expression in non-malignant tissues, GOLPH2 has been proposed as an attractive target for cancer therapy. However, GOLPH2 is predominantly located intracellularly and when situated outside of the cell it is proteolytically cleaved and shed from the cell surface. Until now, GOLPH2 has been regarded as an "undruggable" target. OBJECTIVE We sought to create antibodies that specifically bind to GOLPH2 overexpressing tumor cells. PATIENTS AND METHODS Antibodies binding to membranous GOLPH2 despite shedding of the protein were generated from a scFV library screening. These antibodies target the part of GOLPH2 that remains at the cell surface after proteolytic cleavage. These antibodies were then tested in vitro and in vivo. RESULTS Two candidates (G2-1 and G2-2) showed target specific binding in vitro. Utilizing a tumor array (n = 128 tumors) with G2-2 and a reference antibody, a GOLPH2 expression scoring system was established. Rapid internalization of the antibodies was noted so this was exploited to deliver a toxic payload of pyrrolobenzodiazepine (PBD). In two patient-derived xenograft (PDX)-models, colorectal and lung cancer, the G2-2 antibody drug conjugate (ADC) displayed high efficacy with significant tumor responses (P = 0.001; P = 0.013) and improved survival (P = 0.0001; P = 0.0011) compared with controls. CONCLUSIONS Treatment with GOLPH2-directed antibodies induces durable responses in colorectal and lung cancer models. With a robust companion assay for GOLPH2 positivity at hand our findings prepare for the translation into a clinical trial.
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Affiliation(s)
- Heike Liewen
- Cureab GmbH, Benkenstrasse 254c, Technologiezentrum, 4108, Witterswil, Switzerland
| | - Norbert Markuly
- Cureab GmbH, Benkenstrasse 254c, Technologiezentrum, 4108, Witterswil, Switzerland
| | - Heinz Läubli
- Medical Oncology, University Hospital Basel & Laboratory Cancer Immunology, Department Biomedicine, University Basel, Petersgraben 4, 4031, Basel, Switzerland
| | - Yang Liu
- Medical Oncology, University Hospital Basel & Laboratory Cancer Immunology, Department Biomedicine, University Basel, Petersgraben 4, 4031, Basel, Switzerland
| | - Matthias S Matter
- Institute of Pathology, University Hospital Basel, 4031, Basel, Switzerland
| | - Nora Liewen
- University of Cologne, Albertus-Magnus-Platz, 50923, Cologne, Germany
| | - Christoph Renner
- Medical Oncology, University Hospital Basel & Laboratory Cancer Immunology, Department Biomedicine, University Basel, Petersgraben 4, 4031, Basel, Switzerland
| | - Alfred Zippelius
- Medical Oncology, University Hospital Basel & Laboratory Cancer Immunology, Department Biomedicine, University Basel, Petersgraben 4, 4031, Basel, Switzerland
| | - Frank Stenner
- Medical Oncology, University Hospital Basel & Laboratory Cancer Immunology, Department Biomedicine, University Basel, Petersgraben 4, 4031, Basel, Switzerland.
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Ji J, Ding K, Luo T, Xu R, Zhang X, Huang B, Chen A, Zhang D, Miletic H, Bjerkvig R, Thorsen F, Wang J, Li X. PMEPA1 isoform a drives progression of glioblastoma by promoting protein degradation of the Hippo pathway kinase LATS1. Oncogene 2020; 39:1125-1139. [PMID: 31605013 PMCID: PMC6989403 DOI: 10.1038/s41388-019-1050-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 09/20/2019] [Accepted: 09/26/2019] [Indexed: 11/08/2022]
Abstract
The Hippo signaling pathway controls organ development and is also known, in cancer, to have a tumor suppressing role. Within the Hippo pathway, we here demonstrate, in human gliomas, a functional interaction of a transmembrane protein, prostate transmembrane protein, androgen induced 1 (PMEPA1) with large tumor suppressor kinase 1 (LATS1). We show that PMEPA1 is upregulated in primary human gliomas. The PMEPA1 isoform PMEPA1a was predominantly expressed in glioma specimens and cell lines, and ectopic expression of the protein promoted glioma growth and invasion in vitro and in an orthotopic xenograft model in nude mice. In co-immunoprecipitation experiments, PMEPA1a associated with the Hippo tumor suppressor kinase LATS1. This interaction led to a proteasomal degradation of LATS1 through recruitment of the ubiquitin ligase, neural precursor cell expressed, developmentally downregulated 4 (NEDD4), which led to silencing of Hippo signaling. Alanine substitution in PMEPA1a at PY motifs resulted in failed LATS1 degradation. Targeting of a downstream component in the Hippo signaling pathway, YAP, with shRNA, interfered with the growth promoting activities of PMEPA1a in vitro and in vivo. In conclusion, the presented work shows that PMEPA1a contributes to glioma progression by a dysregulation of the Hippo signaling pathway and thus represents a promising target for the treatment of gliomas.
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Affiliation(s)
- Jianxiong Ji
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China
- Shandong Key Laboratory of Brain Function Remodeling, Jinan, China
| | - Kaikai Ding
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China
- Shandong Key Laboratory of Brain Function Remodeling, Jinan, China
| | - Tao Luo
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China
- Shandong Key Laboratory of Brain Function Remodeling, Jinan, China
| | - Ran Xu
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China
- Shandong Key Laboratory of Brain Function Remodeling, Jinan, China
| | - Xin Zhang
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China
- Shandong Key Laboratory of Brain Function Remodeling, Jinan, China
| | - Bin Huang
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China
- Shandong Key Laboratory of Brain Function Remodeling, Jinan, China
| | - Anjing Chen
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China
- Shandong Key Laboratory of Brain Function Remodeling, Jinan, China
- School of Medicine, Shandong University, Jinan, China
| | - Di Zhang
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China
- Shandong Key Laboratory of Brain Function Remodeling, Jinan, China
| | - Hrvoje Miletic
- Department of Biomedicine, University of Bergen, Jonas Lies vei 91, 5009, Bergen, Norway
- Department of Pathology, Haukeland University Hospital, Jonas Lies vei 65, 5021, Bergen, Norway
| | - Rolf Bjerkvig
- Department of Biomedicine, University of Bergen, Jonas Lies vei 91, 5009, Bergen, Norway
- Department of Oncology, Luxembourg Institute of Health, 84, Val Fleuri, Luxembourg, L-1526, Luxembourg
| | - Frits Thorsen
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China
- Shandong Key Laboratory of Brain Function Remodeling, Jinan, China
- Department of Biomedicine, University of Bergen, Jonas Lies vei 91, 5009, Bergen, Norway
- The Molecular Imaging Center, Department of Biomedicine, University of Bergen, Jonas Lies vei 91, 5009, Bergen, Norway
| | - Jian Wang
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.
- Shandong Key Laboratory of Brain Function Remodeling, Jinan, China.
- Department of Biomedicine, University of Bergen, Jonas Lies vei 91, 5009, Bergen, Norway.
| | - Xingang Li
- Department of Neurosurgery, Qilu Hospital of Shandong University and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.
- Shandong Key Laboratory of Brain Function Remodeling, Jinan, China.
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Wang X, Zeng Y, Zhou M, Zhang X, Xu A, Lin J, Wu Z, Xie C, Luo J, Ding S, Zhan Z, Long H, Song Y. SKA1 promotes malignant phenotype and progression of glioma via multiple signaling pathways. Cancer Cell Int 2019; 19:324. [PMID: 31827398 PMCID: PMC6889600 DOI: 10.1186/s12935-019-1047-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Accepted: 11/25/2019] [Indexed: 11/10/2022] Open
Abstract
Background Spindle and kinetochore associated protein 1 (SKA1) is a protein involved in chromosome congression and mitosis. It has been found to be upregulated and oncogenic in several human cancers. Herein, we investigated the precise role of SKA1 in the progression and malignant phenotype of human glioma. Methods Bioinformatic analysis was carried out based on the RNA-seq data and corresponding clinical data from GEO, TCGA and CGGA databases. Western blot was performed to analyze the expression of SKA1 in clinical samples and signaling pathway proteins in glioma cells, respectively. CCK8 assay, colony forming assay and EdU assay were performed to assess the cell viability. Cell migration and invasion assays were also performed. Moreover, xenograft model was established and the expression of SKA1 was assessed in the xenograft by immunohistochemistry. Results SKA1 expression is positively correlated with glioma grade and could be a promising biomarker for GBM. Moreover, overexpression of SKA1 may lead to poor prognosis in glioma. Downregulation of SKA1 attenuated cell viability, migration, and invasion in U251, U87, LN229 and T98 cells. Furthermore, GSEA analysis demonstrated that SKA1 was involved in the cell cycle, EMT pathway as well as Wnt/β-catenin signaling pathway, which were then confirmed with Western blot analysis. Conclusion SKA1 promotes malignant phenotype and progression of glioma via multiple pathways, including cell cycle, EMT, Wnt/β-catenin signaling pathway. Therefore, SKA1 could be a promising therapeutic target for the treatment of human gliomas.
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Affiliation(s)
- Xizhao Wang
- 1Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515 Guangdong People's Republic of China.,2Department of Neurosurgery, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, 362000 Fujian People's Republic of China
| | - Yu Zeng
- 1Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515 Guangdong People's Republic of China.,3Department of Neurosurgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072 People's Republic of China
| | - Mingfeng Zhou
- 1Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515 Guangdong People's Republic of China
| | - Xian Zhang
- 1Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515 Guangdong People's Republic of China
| | - Anqi Xu
- 1Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515 Guangdong People's Republic of China
| | - Jie Lin
- 1Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515 Guangdong People's Republic of China
| | - Zhiyong Wu
- 1Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515 Guangdong People's Republic of China
| | - Cheng Xie
- 1Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515 Guangdong People's Republic of China
| | - Jie Luo
- 1Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515 Guangdong People's Republic of China
| | - Shengfeng Ding
- 1Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515 Guangdong People's Republic of China
| | - Zhengming Zhan
- 1Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515 Guangdong People's Republic of China
| | - Hao Long
- 1Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515 Guangdong People's Republic of China
| | - Ye Song
- 1Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515 Guangdong People's Republic of China
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Co-delivery of GOLPH3 siRNA and gefitinib by cationic lipid-PLGA nanoparticles improves EGFR-targeted therapy for glioma. J Mol Med (Berl) 2019; 97:1575-1588. [PMID: 31673738 DOI: 10.1007/s00109-019-01843-4] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 09/10/2019] [Accepted: 10/09/2019] [Indexed: 12/19/2022]
Abstract
Glioblastoma is one of the most aggressive types of brain tumor. Epidermal growth factor receptors (EGFRs) are overexpressed in glioma, and EGFR amplifications and mutations lead to rapid proliferation and invasion. EGFR-targeted therapy might be an effective treatment for glioma. Gefitinib (Ge) is an EGFR tyrosine kinase inhibitor (TKI), and Golgi phosphoprotein 3 (GOLPH3) expression is associated with worse glioma prognosis. Downregulation of GOLPH3 could promote EGFR degradation. Here, an angiopep-2 (A2)-modified cationic lipid-poly (lactic-co-glycolic acid) (PLGA) nanoparticle (A2-N) was developed that can release Ge and GOLPH3 siRNA (siGOLPH3) upon entering glioma cells and therefore acts as a combinatorial anti-tumor therapy. The in vitro and in vivo studies proved that A2-N/Ge/siGOLPH3 successfully crossed the blood-brain barrier (BBB) and targeted glioma. Released siGOLPH3 effectively silenced GOLPH3 mRNA expression and further promoted EGFR and p-EGFR degradation. Released Ge also markedly inhibited EGFR signaling. This combined EGFR-targeted action achieved remarkable anti-glioma effects and could be a safe and effective treatment for glioma. KEY MESSAGES: Angiopep-2-modified cationic lipid polymer can penetrate the BBB. Gefitinib can inhibit EGFR signaling and block the autophosphorylation of critical tyrosine residues on EGFR. GOLPH3 siRNA can be transfected into glioma and downregulate GLOPH3 expression. A2-N/Ge/siGOLPH3 can inhibit glioma growth.
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Ding Z, Ke R, Zhang Y, Fan Y, Fan J. FOXE1 inhibits cell proliferation, migration and invasion of papillary thyroid cancer by regulating PDGFA. Mol Cell Endocrinol 2019; 493:110420. [PMID: 31129275 DOI: 10.1016/j.mce.2019.03.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 03/30/2019] [Accepted: 03/31/2019] [Indexed: 01/14/2023]
Abstract
PURPOSE Forkhead box E1 (FOXE1) plays an important role in the development, proliferation and differentiation of thyroid cells. However, the biological functions of FOXE1 in papillary thyroid cancer (PTC) remain unclear. MATERIALS AND METHODS In this study, the level of FOXE1 expression was examined in human PTC tissues and cells. Then, the high expression of FOXE1 was specifically silenced by RNA interference in vitro. Subsequently, FOXE1-shRNA was transfected into PTC cells (TPC-1 and K1). The effects on cell proliferation, migration and invasion were evaluated. In addition, FOXE1 targets were screened by cDNA microarray assays. The correlation between the expression of target gene platelet-derived growth factor A (PDGFA) and clinicopathological features of PTC patients was analysed. RESULTS FOXE1 is highly expressed in PTC tissues and PTC cell lines. The silencing of FOXE1 significantly promotes PTC cell proliferation, migration and invasion in vitro. The cDNA microarray analyses show that PDGFA is a critical downstream target gene of FOXE1 in PTC cells. It was also observed that PDGFA is negatively regulated by FOXE1 in PTC. The clinical data indicate that the low expression level of PDGFA is correlated with the small size of PTC. CONCLUSION Collectively, the results indicate for the first time that high expression of FOXE1 may function as a tumour suppressor in the early stage of PTC and restrain the proliferation, migration and invasion of PTC by negatively regulating PDGFA expression. Thus, FOXE1 could serve as a prognostic biomarker for PTC.
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Affiliation(s)
- Zheng Ding
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200030, PR China
| | - Ronghu Ke
- Department of Plastic and Reconstructive Surgery, Huashan Hospital, Fudan University School of Medicine, Shanghai, 200040, PR China
| | - Yong Zhang
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200030, PR China
| | - Youben Fan
- Center of Thyroid and Parathyroid, Department of General Surgery, Shanghai Jiao Tong University Affiliated the Sixth People's Hospital, Shanghai, 200233, PR China.
| | - Jianxia Fan
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200030, PR China.
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Wang SM, Lin HY, Chen YL, Hsu TI, Chuang JY, Kao TJ, Ko CY. CCAAT/enhancer-binding protein delta regulates the stemness of glioma stem-like cells through activating PDGFA expression upon inflammatory stimulation. J Neuroinflammation 2019; 16:146. [PMID: 31300060 PMCID: PMC6626372 DOI: 10.1186/s12974-019-1535-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 07/01/2019] [Indexed: 12/20/2022] Open
Abstract
Background The small population of glioma stem-like cells (GSCs) contributes to tumor initiation, malignancy, and recurrence in glioblastoma. However, the maintenance of GSC properties in the tumor microenvironment remains unclear. In glioma, non-neoplastic cells create an inflammatory environment and subsequently mediate tumor progression and maintenance. Transcriptional factor CCAAT/enhancer-binding protein delta (CEBPD) is suggested to regulate various genes responsive to inflammatory cytokines, thus prompting us to investigate its role in regulating GSCs stemness after inflammatory stimulation. Methods Stemness properties were analyzed by using spheroid formation. Oncomine and TCGA bioinformatic databases were used to analyze gene expression. Western blotting, quantitative real-time polymerase chain reaction, luciferase reporter assay, and chromatin immunoprecipitation assay were used to analyze proteins and gene transcript levels. The glioma tissue microarrays were used for CEBPD and PDGFA expression by immunohistochemistry staining. Results We first found that IL-1β promotes glioma spheroid formation and is associated with elevated CEBPD expression. Using microarray analysis, platelet-derived growth factor subunit A (PDGFA) was confirmed as a CEBPD-regulated gene that mediates IL-1β-enhanced GSCs self-renewal. Further analysis of the genomic database and tissue array revealed that the expression levels between CEBPD and PDGFA were coincident in glioma patient samples. Conclusion This is the first report showing the activation of PDGFA expression by CEBPD through IL-1β treatment and a novel CEBPD function in maintaining the self-renewal feature of GSCs. Electronic supplementary material The online version of this article (10.1186/s12974-019-1535-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Shao-Ming Wang
- Graduate Institute of Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Hong-Yi Lin
- Ph.D. Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University and National Health Research Institutes, Taipei, Taiwan
| | - Yen-Lin Chen
- Department of Pathology, Cardinal Tien Hospital, School of Medicine College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Tsung-I Hsu
- Graduate Institute of Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,Research Center of Neuroscience, Taipei Medical University, Taipei, Taiwan.,TMU Research Center of Cancer Translational Medicine, Taipei, Taiwan
| | - Jian-Ying Chuang
- Graduate Institute of Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,TMU Research Center of Cancer Translational Medicine, Taipei, Taiwan
| | - Tzu-Jen Kao
- Graduate Institute of Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Chiung-Yuan Ko
- Graduate Institute of Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan. .,TMU Research Center of Cancer Translational Medicine, Taipei, Taiwan.
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Ding X, Deng G, Liu J, Liu B, Yuan F, Yang X, Chen Q. GOLM1 silencing inhibits the proliferation and motility of human glioblastoma cells via the Wnt/β-catenin signaling pathway. Brain Res 2019; 1717:117-126. [PMID: 30935831 DOI: 10.1016/j.brainres.2019.03.035] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 02/26/2019] [Accepted: 03/28/2019] [Indexed: 11/28/2022]
Abstract
Golgi membrane protein 1 (GOLM1) is a type II transmembrane protein located in the cis- and medial-Golgi. Due to its function as an oncogene and proprotein convertase (PC) consensus site, GOLM1 will play a vital role in gene-targeted therapies and serve as a candidate tumor biomarker. However, few studies have explored its correlation with glioblastoma (GBM) progression. In this study, we detected the overexpression of the GOLM1 mRNA and protein in clinical GBM samples. The level of secreted GOLM1 in the serum from patients with GBM was also abnormally elevated, as determined by an Elisa. Then we utilized small interfering RNAs (siRNAs) to silence GOLM1 expression in GBM U87 and U251 cells. After silencing GOLM1 expression, the proliferation of cells decreased, the cell cycle was arrested in G1/S phase, and tumor cell motility was also inhibited. Moreover, the levels of proliferation-associated proteins and epithelial-mesenchymal transition (EMT)-related markers were also altered. Additionally, the Wnt/β-catenin signaling pathway was significantly suppressed, particularly the nuclear translocation of β-catenin. Knockdown of GOLM1 also inhibits xenograft tumor growth in nude mouse models.GOLM1 acts as a critical oncogene in GBM by promoting cell proliferation, migration and invasion. Its mechanism may be related to the Wnt/β-catenin signaling pathway. GOLM1 also exhibits great potential as a biomarker for GBM.
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Affiliation(s)
- Xiang Ding
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Hubei 430060, China; Brain Tumor Clinical Center of Wuhan, Hubei 430060, China
| | - Gang Deng
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Hubei 430060, China; Brain Tumor Clinical Center of Wuhan, Hubei 430060, China
| | - Junhui Liu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Hubei 430060, China; Brain Tumor Clinical Center of Wuhan, Hubei 430060, China
| | - Baohui Liu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Hubei 430060, China; Brain Tumor Clinical Center of Wuhan, Hubei 430060, China
| | - Fan'en Yuan
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Hubei 430060, China; Brain Tumor Clinical Center of Wuhan, Hubei 430060, China
| | - Xue Yang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Hubei 430060, China; Brain Tumor Clinical Center of Wuhan, Hubei 430060, China
| | - Qianxue Chen
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Hubei 430060, China; Brain Tumor Clinical Center of Wuhan, Hubei 430060, China.
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Xu T, Liu N, Shao Y, Huang Y, Zhu D. MiR-218 regulated cardiomyocyte differentiation and migration in mouse embryonic stem cells by targeting PDGFRα. J Cell Biochem 2018; 120:4355-4365. [PMID: 30246400 DOI: 10.1002/jcb.27721] [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: 05/15/2018] [Accepted: 08/29/2018] [Indexed: 12/20/2022]
Abstract
MicroRNAs (miRNAs) have been identified as key players in cardiogenesis and heart pathophysiological processes. However, many miRNAs are still not recognized for their roles in cardiomyocytes differentiation. In this study, we evaluated the effects of microRNA-218 (miR-218) in cardiomyocyte differentiation of the mouse embryonic stem cells (ESCs) in vitro. The percentage of the beating embryoid bodies (EBs) in miR-218 mimic-treated cells was reduced to 32% compared with miR-218 mimic negative control (56%) on day 5 + 3. The amplitude of the intracellular Ca2+ transients in the cardiomyocytes derived from ESCs was reduced upon miR-218 overexpression, followed by the decreased calcium-related proteins and cell junction proteins expressions. Besides, miR-218 expression in ESCs was related to the directional spreading ability of EBs during differentiation. The increased expression of miR-218 could promote the migration of ESCs in vitro, while the decreased expression of miR-218 could inhibit the migration by the transwell experiment. Meanwhile, miR-218 could regulate cell migration-related proteins Cdc42 and Rac1. Platelet-derived growth factor receptor α (PDGFRα) was further confirmed to be a direct target of miR-218 both physically and functionally by dual-luciferase reporter assay. Our data further described that overexpression of PDGFRα rescued the miR-218-mediated inhibition of cardiomyocyte differentiation and restored the miR-218-mediated promotion of cell migration. In conclusion, miR-218 was demonstrated to exert an inhibitory function and promoted cell migration via targeting PDGFRα during cardiomyocyte differentiation from ESCs. The current study revealed the role of miR-218 and may provide an important hint for cardiomyocyte differentiation of ESCs and induced pluripotent stem cells.
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Affiliation(s)
- Tingting Xu
- Institute of Pharmacology and Toxicology, Zhejiang University, Hangzhou, China
| | - Nuoya Liu
- Institute of Pharmacology and Toxicology, Zhejiang University, Hangzhou, China
| | - Ying Shao
- Institute of Pharmacology and Toxicology, Zhejiang University, Hangzhou, China
| | - Yujie Huang
- Institute of Pharmacology and Toxicology, Zhejiang University, Hangzhou, China
| | - Danyan Zhu
- Institute of Pharmacology and Toxicology, Zhejiang University, Hangzhou, China
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