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Chen Y, Zhang Y, Duo S, Liu W, Luo B. Study on the regulatory mechanism of latent membrane protein 2A on GCNT3 expression in nasopharyngeal carcinoma. Virus Genes 2024:10.1007/s11262-024-02071-w. [PMID: 38739247 DOI: 10.1007/s11262-024-02071-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 04/06/2024] [Indexed: 05/14/2024]
Abstract
O-Glycan synthesis enzyme glucosaminyl (N-acetyl) transferase 3 (GCNT3) is closely related to the occurrence and development of various cancers. However, the regulatory mechanism and function of GCNT3 in nasopharyngeal carcinoma (NPC) are still poorly understood. This study aims to explore the regulatory mechanism of EBV-encoded latent membrane protein 2A (LMP2A) on GCNT3 and the biological role of GCNT3 in NPC. The results show that LMP2A can activate GCNT3 through the mTORC1 pathway, and there is a positive feedback between the mTORC1 and GCNT3. GCNT3 regulates EMT progression by forming a complex with ZEB1 to promote cell migration. GCNT3 can also promote cell proliferation. These findings indicate that targeting the LMP2A-mTORC1-GCNT3 axis may represent a novel therapeutic target in NPC.
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Affiliation(s)
- Yijing Chen
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, Qingdao, China
- Department of Clinical Laboratory, The Sixth Hospital of Wuhan, Affiliated Hospital of Jianghan University, Wuhan, China
| | - Yan Zhang
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, Qingdao, China
- Department of Clinical Laboratory, Central Hospital of Zibo, Zibo, China
| | - Shi Duo
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Wen Liu
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, Qingdao, China.
| | - Bing Luo
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, Qingdao, China.
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2
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Lin TY, Jia JS, Luo WR, Lin XL, Xiao SJ, Yang J, Xia JW, Zhou C, Zhou ZH, Lin SJ, Li QW, Yang ZZ, Lei Y, Yang WQ, Shen HF, Huang SH, Wang SC, Chen LB, Yang YL, Xue SW, Li YL, Dai GQ, Zhou Y, Li YC, Wei F, Rong XX, Luo XJ, Zhao BX, Huang WH, Xiao D, Sun Y. ThermomiR-377-3p-induced suppression of Cirbp expression is required for effective elimination of cancer cells and cancer stem-like cells by hyperthermia. J Exp Clin Cancer Res 2024; 43:62. [PMID: 38419081 PMCID: PMC10903011 DOI: 10.1186/s13046-024-02983-3] [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: 02/09/2024] [Accepted: 02/12/2024] [Indexed: 03/02/2024] Open
Abstract
BACKGROUND In recent years, the development of adjunctive therapeutic hyperthermia for cancer therapy has received considerable attention. However, the mechanisms underlying hyperthermia resistance are still poorly understood. In this study, we investigated the roles of cold‑inducible RNA binding protein (Cirbp) in regulating hyperthermia resistance and underlying mechanisms in nasopharyngeal carcinoma (NPC). METHODS CCK-8 assay, colony formation assay, tumor sphere formation assay, qRT-PCR, Western blot were employed to examine the effects of hyperthermia (HT), HT + oridonin(Ori) or HT + radiotherapy (RT) on the proliferation and stemness of NPC cells. RNA sequencing was applied to gain differentially expressed genes upon hyperthermia. Gain-of-function and loss-of-function experiments were used to evaluate the effects of RNAi-mediated Cirbp silencing or Cirbp overexpression on the sensitivity or resistance of NPC cells and cancer stem-like cells to hyperthermia by CCK-8 assay, colony formation assay, tumorsphere formation assay and apoptosis assay, and in subcutaneous xenograft animal model. miRNA transient transfection and luciferase reporter assay were used to demonstrate that Cirbp is a direct target of miR-377-3p. The phosphorylation levels of key members in ATM-Chk2 and ATR-Chk1 pathways were detected by Western blot. RESULTS Our results firstly revealed that hyperthermia significantly attenuated the stemness of NPC cells, while combination treatment of hyperthermia and oridonin dramatically increased the killing effect on NPC cells and cancer stem cell (CSC)‑like population. Moreover, hyperthermia substantially improved the sensitivity of radiation‑resistant NPC cells and CSC‑like cells to radiotherapy. Hyperthermia noticeably suppressed Cirbp expression in NPC cells and xenograft tumor tissues. Furthermore, Cirbp inhibition remarkably boosted anti‑tumor‑killing activity of hyperthermia against NPC cells and CSC‑like cells, whereas ectopic expression of Cirbp compromised tumor‑killing effect of hyperthermia on these cells, indicating that Cirbp overexpression induces hyperthermia resistance. ThermomiR-377-3p improved the sensitivity of NPC cells and CSC‑like cells to hyperthermia in vitro by directly suppressing Cirbp expression. More importantly, our results displayed the significantly boosted sensitization of tumor xenografts to hyperthermia by Cirbp silencing in vivo, but ectopic expression of Cirbp almost completely counteracted hyperthermia-mediated tumor cell-killing effect against tumor xenografts in vivo. Mechanistically, Cirbp silencing-induced inhibition of DNA damage repair by inactivating ATM-Chk2 and ATR-Chk1 pathways, decrease in stemness and increase in cell death contributed to hyperthermic sensitization; conversely, Cirbp overexpression-induced promotion of DNA damage repair, increase in stemness and decrease in cell apoptosis contributed to hyperthermia resistance. CONCLUSION Taken together, these findings reveal a previously unrecognized role for Cirbp in positively regulating hyperthermia resistance and suggest that thermomiR-377-3p and its target gene Cirbp represent promising targets for therapeutic hyperthermia.
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Affiliation(s)
- Tao-Yan Lin
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
- Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Jun-Shuang Jia
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
- Medical Research Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China
| | - Wei-Ren Luo
- Cancer Research Institute, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen Third People's Hospital, Shenzhen, 518112, China
| | - Xiao-Lin Lin
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
- Cancer Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510315, China
| | - Sheng-Jun Xiao
- Department of Pathology, The Second Affiliated Hospital of Guilin Medical University, Guilin, 541199, China
| | - Jie Yang
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
- Department of Imaging, Central Hospital of Shaoyang, Shaoyang, 422000, China
| | - Jia-Wei Xia
- The Third People's Hospital of Kunming (The Sixth Affiliated Hospital of Dali University), Kunming, 650041, China
| | - Chen Zhou
- Department of Pathology, The Second Affiliated Hospital of Guilin Medical University, Guilin, 541199, China
| | - Zhi-Hao Zhou
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Shu-Jun Lin
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Qi-Wen Li
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Zhi-Zhi Yang
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Ye Lei
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Wen-Qing Yang
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, 510515, China
| | - Hong-Fen Shen
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Shi-Hao Huang
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Sheng-Chun Wang
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
- Department of Pathology, School of Basic Medicine, Guangdong Medical University, Dongguan, 523808, China
| | - Lin-Bei Chen
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, 510515, China
| | - Yu-Lin Yang
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, 510515, China
| | - Shu-Wen Xue
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Yong-Long Li
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Guan-Qi Dai
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Ying Zhou
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Ying-Chun Li
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Fang Wei
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Xiao-Xiang Rong
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guang‑zhou, 510515, China
| | - Xiao-Jun Luo
- Cancer Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510315, China
| | - Bing-Xia Zhao
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China.
| | - Wen-Hua Huang
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Medical Biomechanics, National Key Discipline of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China.
- Guangdong Medical Innovation Platform for Translation of 3D Printing Application, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, 510000, China.
- Orthopaedic Center, Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, 524001, China.
| | - Dong Xiao
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China.
- Medical Research Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China.
- Guangzhou Southern Medical Laboratory Animal Sci.&Tech. Co.,Ltd, Guangzhou, 510515, China.
- National Demonstration Center for Experimental Education of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China.
- Department of Stomatology, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China.
| | - Yan Sun
- Laboratory Animal Management Center, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China.
- Medical Research Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China.
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Zhao G, Bu G, Liu G, Kong X, Sun C, Li Z, Dai D, Sun H, Kang Y, Feng G, Zhong Q, Zeng M. mRNA-based Vaccines Targeting the T-cell Epitope-rich Domain of Epstein Barr Virus Latent Proteins Elicit Robust Anti-Tumor Immunity in Mice. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2302116. [PMID: 37890462 PMCID: PMC10724410 DOI: 10.1002/advs.202302116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 09/04/2023] [Indexed: 10/29/2023]
Abstract
Epstein-Barr virus (EBV) is associated with various malignancies and infects >90% of the global population. EBV latent proteins are expressed in numerous EBV-associated cancers and contribute to carcinogenesis, making them critical therapeutic targets for these cancers. Thus, this study aims to develop mRNA-based therapeutic vaccines that express the T-cell-epitope-rich domain of truncated latent proteins of EBV, including truncatedlatent membrane protein 2A (Trunc-LMP2A), truncated EBV nuclear antigen 1 (Trunc-EBNA1), and Trunc-EBNA3A. The vaccines effectively activate both cellular and humoral immunity in mice and show promising results in suppressing tumor progression and improving survival time in tumor-bearing mice. Furthermore, it is observed that the truncated forms of the antigens, Trunc-LMP2A, Trunc-EBNA1, and Trunc-EBNA3A, are more effective than full-length antigens in activating antigen-specific immune responses. In summary, the findings demonstrate the effectiveness of mRNA-based therapeutic vaccines targeting the T-cell-epitope-rich domain of EBV latent proteins and providing new treatment options for EBV-associated cancers.
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Affiliation(s)
- Ge‐Xin Zhao
- State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer. MedicineGuangdong Key Laboratory of Nasopharyngeal Carcinoma, Diagnosis, and TherapySun Yat‐sen University Cancer CenterGuangzhou510060China
| | - Guo‐Long Bu
- State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer. MedicineGuangdong Key Laboratory of Nasopharyngeal Carcinoma, Diagnosis, and TherapySun Yat‐sen University Cancer CenterGuangzhou510060China
| | - Gang‐Feng Liu
- Department of Head and Neck Surgery Section IIThe Third Affiliated Hospital of Kunming Medical University/Yunnan Cancer Hospital519 Kunzhou RoadKunming650118China
| | - Xiang‐Wei Kong
- State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer. MedicineGuangdong Key Laboratory of Nasopharyngeal Carcinoma, Diagnosis, and TherapySun Yat‐sen University Cancer CenterGuangzhou510060China
| | - Cong Sun
- State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer. MedicineGuangdong Key Laboratory of Nasopharyngeal Carcinoma, Diagnosis, and TherapySun Yat‐sen University Cancer CenterGuangzhou510060China
| | - Zi‐Qian Li
- State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer. MedicineGuangdong Key Laboratory of Nasopharyngeal Carcinoma, Diagnosis, and TherapySun Yat‐sen University Cancer CenterGuangzhou510060China
| | - Dan‐Ling Dai
- State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer. MedicineGuangdong Key Laboratory of Nasopharyngeal Carcinoma, Diagnosis, and TherapySun Yat‐sen University Cancer CenterGuangzhou510060China
| | - Hai‐Xia Sun
- State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer. MedicineGuangdong Key Laboratory of Nasopharyngeal Carcinoma, Diagnosis, and TherapySun Yat‐sen University Cancer CenterGuangzhou510060China
| | - Yin‐Feng Kang
- State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer. MedicineGuangdong Key Laboratory of Nasopharyngeal Carcinoma, Diagnosis, and TherapySun Yat‐sen University Cancer CenterGuangzhou510060China
| | - Guo‐Kai Feng
- State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer. MedicineGuangdong Key Laboratory of Nasopharyngeal Carcinoma, Diagnosis, and TherapySun Yat‐sen University Cancer CenterGuangzhou510060China
| | - Qian Zhong
- State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer. MedicineGuangdong Key Laboratory of Nasopharyngeal Carcinoma, Diagnosis, and TherapySun Yat‐sen University Cancer CenterGuangzhou510060China
| | - Mu‐Sheng Zeng
- State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer. MedicineGuangdong Key Laboratory of Nasopharyngeal Carcinoma, Diagnosis, and TherapySun Yat‐sen University Cancer CenterGuangzhou510060China
- Guangdong‐Hong Kong Joint Laboratory for RNA MedicineSun Yat‐sen University Cancer CenterGuangzhou510060China
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4
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Low YH, Loh CJL, Peh DYY, Chu AJM, Han S, Toh HC. Pathogenesis and therapeutic implications of EBV-associated epithelial cancers. Front Oncol 2023; 13:1202117. [PMID: 37901329 PMCID: PMC10600384 DOI: 10.3389/fonc.2023.1202117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 09/07/2023] [Indexed: 10/31/2023] Open
Abstract
Epstein-Barr virus (EBV), one of the most common human viruses, has been associated with both lymphoid and epithelial cancers. Undifferentiated nasopharyngeal carcinoma (NPC), EBV associated gastric cancer (EBVaGC) and lymphoepithelioma-like carcinoma (LELC) are amongst the few common epithelial cancers that EBV has been associated with. The pathogenesis of EBV-associated NPC has been well described, however, the same cannot be said for primary pulmonary LELC (PPLELC) owing to the rarity of the cancer. In this review, we outline the pathogenesis of EBV-associated NPC and EBVaGCs and their recent advances. By drawing on similarities between NPC and PPLELC, we then also postulated the pathogenesis of PPLELC. A deeper understanding about the pathogenesis of EBV enables us to postulate the pathogenesis of other EBV associated cancers such as PPLELC.
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Affiliation(s)
- Yi Hua Low
- Duke-NUS Medical School, Singapore, Singapore
| | | | - Daniel Yang Yao Peh
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | - Axel Jun Ming Chu
- Singapore Health Services Internal Medicine Residency Programme, Singapore, Singapore
| | - Shuting Han
- Division of Medical Oncology, National Cancer Centre Singapore, Singapore, Singapore
| | - Han Chong Toh
- Division of Medical Oncology, National Cancer Centre Singapore, Singapore, Singapore
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5
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Sun Q, Chen X, Luo H, Meng C, Zhu D. Cancer stem cells of head and neck squamous cell carcinoma; distance towards clinical application; a systematic review of literature. Am J Cancer Res 2023; 13:4315-4345. [PMID: 37818051 PMCID: PMC10560931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 08/16/2023] [Indexed: 10/12/2023] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC) is the major pathological type of head and neck cancer (HNC). The disease ranks sixth among the most common malignancies worldwide, with an increasing incidence rate yearly. Despite the development of therapy, the prognosis of HNSCC remains unsatisfactory, which may be attributed to the resistance to traditional radio-chemotherapy, relapse, and metastasis. To improve the diagnosis and treatment, the targeted therapy for HNSCC may be successful as that for some other tumors. Nanocarriers are the most effective system to deliver the anti-cancerous agent at the site of interest using passive or active targeting approaches. The system enhances the drug concentration in HCN target cells, increases retention, and reduces toxicity to normal cells. Among the different techniques in nanotechnology, quantum dots (QDs) possess multiple fluorescent colors emissions under single-source excitation and size-tunable light emission. Dendrimers are the most attractive nanocarriers, which possess the desired properties of drug retention, release, unaffecting by the immune system, blood circulation time enhancing, and cells or organs specific targeting properties. In this review, we have discussed the up-to-date knowledge of the Cancer Stem Cells of Head and Neck Squamous Cell Carcinoma. Although a lot of data is available, still much more efforts remain to be made to improve the treatment of HNSCC.
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Affiliation(s)
- Qingjia Sun
- Department of Otorhinolaryngology, Head and Neck Surgery, The China-Japan Union Hospital of Jilin UniversityXiantai Street 126, Changchun 130033, Jilin, China
| | - Xi Chen
- Department of Otorhinolaryngology, Head and Neck Surgery, The China-Japan Union Hospital of Jilin UniversityXiantai Street 126, Changchun 130033, Jilin, China
| | - Hong Luo
- Department of Hematology, The First Hospital of QiqiharQiqihar 161005, Heilongjiang, China
| | - Cuida Meng
- Department of Otorhinolaryngology, Head and Neck Surgery, The China-Japan Union Hospital of Jilin UniversityXiantai Street 126, Changchun 130033, Jilin, China
| | - Dongdong Zhu
- Department of Otorhinolaryngology, Head and Neck Surgery, The China-Japan Union Hospital of Jilin UniversityXiantai Street 126, Changchun 130033, Jilin, China
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6
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Gong Z, Yan Z, Liu W, Luo B. Oncogenic viruses and host lipid metabolism: a new perspective. J Gen Virol 2023; 104. [PMID: 37279154 DOI: 10.1099/jgv.0.001861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023] Open
Abstract
As noncellular organisms, viruses do not have their own metabolism and rely on the metabolism of host cells to provide energy and metabolic substances for their life cycles. Increasing evidence suggests that host cells infected with oncogenic viruses have dramatically altered metabolic requirements and that oncogenic viruses produce substances used for viral replication and virion production by altering host cell metabolism. We focused on the processes by which oncogenic viruses manipulate host lipid metabolism and the lipid metabolism disorders that occur in oncogenic virus-associated diseases. A deeper understanding of viral infections that cause changes in host lipid metabolism could help with the development of new antiviral agents as well as potential new therapeutic targets.
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Affiliation(s)
- Zhiyuan Gong
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, Qingdao 266071, PR China
| | - Zhiyong Yan
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, Qingdao 266071, PR China
| | - Wen Liu
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, Qingdao 266071, PR China
| | - Bing Luo
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, Qingdao 266071, PR China
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7
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Murata T. Tegument proteins of Epstein-Barr virus: Diverse functions, complex networks, and oncogenesis. Tumour Virus Res 2023; 15:200260. [PMID: 37169175 DOI: 10.1016/j.tvr.2023.200260] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/02/2023] [Accepted: 05/04/2023] [Indexed: 05/13/2023] Open
Abstract
The tegument is the structure between the envelope and nucleocapsid of herpesvirus particles. Viral (and cellular) proteins accumulate to create the layers of the tegument. Some Epstein-Barr virus (EBV) tegument proteins are conserved widely in Herpesviridae, but others are shared only by members of the gamma-herpesvirus subfamily. As the interface to envelope and nucleocapsid, the tegument functions in virion morphogenesis and budding of the nucleocapsid during progeny production. When a virus particle enters a cell, enzymes such as kinase and deubiquitinase, and transcriptional activators are released from the virion to promote virus infection. Moreover, some EBV tegument proteins are involved in oncogenesis. Here, we summarize the roles of EBV tegument proteins, in comparison to those of other herpesviruses.
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Affiliation(s)
- Takayuki Murata
- Department of Virology, Fujita Health University School of Medicine, Toyoake, Japan.
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8
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Su ZY, Siak PY, Leong CO, Cheah SC. The role of Epstein-Barr virus in nasopharyngeal carcinoma. Front Microbiol 2023; 14:1116143. [PMID: 36846758 PMCID: PMC9947861 DOI: 10.3389/fmicb.2023.1116143] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 01/27/2023] [Indexed: 02/11/2023] Open
Abstract
Nasopharyngeal carcinoma (NPC) is a metastasis-prone malignancy closely associated with the Epstein-Barr virus (EBV). Despite ubiquitous infection of EBV worldwide, NPC incidences displayed predominance in certain ethnic groups and endemic regions. The majority of NPC patients are diagnosed with advanced-stage disease, as a result of anatomical isolation and non-specific clinical manifestation. Over the decades, researchers have gained insights into the molecular mechanisms underlying NPC pathogenesis as a result of the interplay of EBV infection with several environmental and genetic factors. EBV-associated biomarkers were also used for mass population screening for the early detection of NPC. EBV and its encoded products also serve as potential targets for the development of therapeutic strategies and tumour-specific drug delivery. This review will discuss the pathogenic role of EBV in NPC and efforts in exploiting the potential of EBV-associated molecules as biomarkers and therapeutic targets. The current knowledge on the role of EBV and its associated products in NPC tumorigenesis, development and progression will offer a new outlook and potential intervention strategy against this EBV-associated malignancy.
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Affiliation(s)
- Zhi Yi Su
- Faculty of Medicine and Health Sciences, UCSI University, Bandar Springhill, Negeri Sembilan, Malaysia
| | - Pui Yan Siak
- Faculty of Medicine and Health Sciences, UCSI University, Bandar Springhill, Negeri Sembilan, Malaysia
| | - Chee-Onn Leong
- AGTC Genomics Sdn Bhd, Pusat Perdagangan Bandar, Persiaran Jalil 1, Bukit Jalil, Wilayah Persekutuan Kuala Lumpur, Malaysia
| | - Shiau-Chuen Cheah
- Faculty of Medicine and Health Sciences, UCSI University, Bandar Springhill, Negeri Sembilan, Malaysia
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9
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Huang J, Harris E, Lorch J. Vaccination as a therapeutic strategy for Nasopharyngeal carcinoma. Oral Oncol 2022; 135:106083. [DOI: 10.1016/j.oraloncology.2022.106083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 08/01/2022] [Accepted: 08/10/2022] [Indexed: 11/06/2022]
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10
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Li DK, Chen XR, Wang LN, Wang JH, Li JK, Zhou ZY, Li X, Cai LB, Zhong SS, Zhang JJ, Zeng YM, Zhang QB, Fu XY, Lyu XM, Li MY, Huang ZX, Yao KT. Exosomal HMGA2 protein from EBV-positive NPC cells destroys vascular endothelial barriers and induces endothelial-to-mesenchymal transition to promote metastasis. Cancer Gene Ther 2022; 29:1439-1451. [PMID: 35388172 PMCID: PMC9576596 DOI: 10.1038/s41417-022-00453-6] [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: 08/16/2021] [Revised: 11/09/2021] [Accepted: 03/01/2022] [Indexed: 12/27/2022]
Abstract
Increased vascular permeability facilitates metastasis. Cancer-secreted exosomes are emerging mediators of cancer-host crosstalk. Epstein-Barr virus (EBV), identified as the first human tumor-associated virus, plays a crucial role in metastatic tumors, especially in nasopharyngeal carcinoma (NPC). To date, whether and how exosomes from EBV-infected NPC cells affect vascular permeability remains unclear. Here, we show that exosomes from EBV-positive NPC cells, but not exosomes from EBV-negative NPC cells, destroy endothelial cell tight junction (TJ) proteins, which are natural barriers against metastasis, and promote endothelial-to-mesenchymal transition (EndMT) in endothelial cells. Proteomic analysis revealed that the level of HMGA2 protein was higher in exosomes derived from EBV-positive NPC cells compared with that in exosomes derived from EBV-negative NPC cells. Depletion of HMGA2 in exosomes derived from EBV-positive NPC cells attenuates endothelial cell dysfunction and tumor cell metastasis. In contrast, exosomes from HMGA2 overexpressing EBV-negative NPC cells promoted these processes. Furthermore, we showed that HMGA2 upregulates the expression of Snail, which contributes to TJ proteins reduction and EndMT in endothelial cells. Moreover, the level of HMGA2 in circulating exosomes is significantly higher in NPC patients with metastasis than in those without metastasis and healthy negative controls, and the level of HMGA2 in tumor cells is associated with TJ and EndMT protein expression in endothelial cells. Collectively, our findings suggest exosomal HMGA2 from EBV-positive NPC cells promotes tumor metastasis by targeting multiple endothelial TJ and promoting EndMT, which highlights secreted HMGA2 as a potential therapeutic target and a predictive marker for NPC metastasis.
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Affiliation(s)
- Deng-Ke Li
- Guangdong Provincial Key Laboratory of Tumor Immunotherapy, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Xing-Rui Chen
- Guangdong Provincial Key Laboratory of Tumor Immunotherapy, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Li-Na Wang
- Guangdong Provincial Key Laboratory of Tumor Immunotherapy, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
- Guangzhou First People's Hospital, School of Medicine, Southern China University of Technology, Guangzhou, 510180, China
| | - Jia-Hong Wang
- Guangdong Provincial Key Laboratory of Tumor Immunotherapy, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Ji-Ke Li
- Guangdong Provincial Key Laboratory of Tumor Immunotherapy, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Zi-Ying Zhou
- Guangdong Provincial Key Laboratory of Tumor Immunotherapy, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Xin Li
- Shenzhen Key Laboratory of Viral Oncology, the Clinical Innovation & Research Center (CIRC), Shenzhen Hospital, Southern Medical University, Shenzhen, 518110, China
| | - Lin-Bo Cai
- Guangdong Sanjiu Brain Hospital, Guangzhou, 510510, China
| | | | - Jing-Jing Zhang
- Department of Radiotherapy, Tumor Hospital of Zhongshan People's Hospital, Zhongshan, 528403, China
| | - Yu-Mei Zeng
- Department of Pathology, Tumor Hospital of Zhongshan People's Hospital, Zhongshan, 528403, China
| | - Qian-Bing Zhang
- Guangdong Provincial Key Laboratory of Tumor Immunotherapy, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Xiao-Yan Fu
- Department of Otorhinolaryngology Head and Neck Surgery, General Hospital of Southern Theater Command, People's Liberation Army of China, Guangzhou, 510010, China
| | - Xiao-Ming Lyu
- Department of laboratory medicine, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510000, China
| | - Min-Ying Li
- Department of Radiotherapy, Tumor Hospital of Zhongshan People's Hospital, Zhongshan, 528403, China.
| | - Zhong-Xi Huang
- Guangdong Provincial Key Laboratory of Tumor Immunotherapy, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China.
| | - Kai-Tai Yao
- Guangdong Provincial Key Laboratory of Tumor Immunotherapy, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China.
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11
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Effects of Exosomal Viral Components on the Tumor Microenvironment. Cancers (Basel) 2022; 14:cancers14143552. [PMID: 35884611 PMCID: PMC9317196 DOI: 10.3390/cancers14143552] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 07/13/2022] [Accepted: 07/19/2022] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Oncogenic viral infection may lead to cancers, such as nasopharyngeal carcinoma, hepatocellular carcinoma, and cervical cancer. In addition to the tumor cells themselves, the tumor microenvironment also plays a decisive role in tumor evolution. Oncogenic viruses can affect the tumor microenvironment via exosomes influencing the occurrence and development of tumors by encapsulating and transporting viral components. This review focuses on the effects of virus-infected cancer exosomes on tumor microenvironment and tumor progression. Abstract Exosomes are extracellular membrane vesicles with a diameter of 30–100 nm, produced by different eukaryotic cells that contain multitudinous lipids, nucleic acids, and proteins. They transfer membrane components and nucleic acids between cells, thereby performing an information exchange between cells. Many studies have shown that a variety of tumor-associated viruses can exert their biological functions through exosomes. The tumor microenvironment (TME) is very important in the occurrence, development, and chemoresistance of tumors. It is composed of tumor cells, fibroblasts, endothelial cells, immune cells, stromal cells, and acellular components, such as exosomes and cytokines. This review focuses on the effects of virus-related components secreted by tumor cells over the TME in several virus-associated cancers.
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12
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Hu Y, Tian Y, Di H, Xue C, Zheng Y, Hu B, Lin Q, Yan X. Noninvasive Diagnosis of Nasopharyngeal Carcinoma Based on Phenotypic Profiling of Viral and Tumor Markers on Plasma Extracellular Vesicles. Anal Chem 2022; 94:9740-9749. [PMID: 35770965 DOI: 10.1021/acs.analchem.2c01311] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Nasopharyngeal carcinoma (NPC) is a malignant tumor commonly associated with Epstein-Barr virus (EBV) infection, and its early diagnosis as well as its differentiation from nasopharyngitis (NPG) remains challenging due to the insufficient sensitivity of routine screening methods in clinical practice. To date, circulating extracellular vesicles (EVs, 40-1000 nm) have shown appealing potential in liquid biopsy for cancer diagnosis and prognosis. Herein, nanoflow cytometry (nFCM) capable of single EV analysis was applied to examine the expression of surface proteins with very low copy numbers on individual EVs as small as 40 nm. The particle concentrations of five EV subsets exposing EBV-encoded latent membrane proteins (LMP1 and LMP2A) and tumor markers (PD-L1, EGFR, and EpCAM) in plasma were determined rapidly via single-particle enumeration. We identified a five-marker panel named EVSUM5 (an unweighted sum of the concentration of the five individual EV subsets) that significantly surpassed the traditional VCA-IgA assay in discriminating NPC patients from both healthy donors and NPG patients with accuracies of 96.3 and 83.1%, respectively. Moreover, EVSUM2 (an unweighted sum of virus-specific LMP1- and LMP2A-positive EVs) could achieve the diagnosis of NPG with an accuracy of 82.6%. Collectively, the work presented a rapid, reliable, and noninvasive method as well as two diagnostic markers to help more accurately differentiate NPC from NPG patients and healthy donors in clinical practice.
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Affiliation(s)
- Yunyun Hu
- Department of Chemical Biology, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Key Laboratory for Chemical Biology of Fujian Province, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, No. 422, Siming South Road, Xiamen 361005, Fujian, China
| | - Ye Tian
- Department of Chemical Biology, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Key Laboratory for Chemical Biology of Fujian Province, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, No. 422, Siming South Road, Xiamen 361005, Fujian, China
| | - Haonan Di
- Department of Chemical Biology, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Key Laboratory for Chemical Biology of Fujian Province, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, No. 422, Siming South Road, Xiamen 361005, Fujian, China
| | - Chengfeng Xue
- Department of Chemical Biology, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Key Laboratory for Chemical Biology of Fujian Province, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, No. 422, Siming South Road, Xiamen 361005, Fujian, China
| | - Yanping Zheng
- Clinical Laboratory of Oncology, Xiamen Cancer Center and Department of Clinical Laboratory Medicine, School of Medicine, The First Affiliated Hospital of Xiamen University, No. 55, Zhenghai Road, Xiamen 361003, Fujian, China
| | - Bin Hu
- Clinical Laboratory of Oncology, Xiamen Cancer Center and Department of Clinical Laboratory Medicine, School of Medicine, The First Affiliated Hospital of Xiamen University, No. 55, Zhenghai Road, Xiamen 361003, Fujian, China
| | - Qin Lin
- Department of Radiation Oncology, Xiamen Cancer Center, The First Affiliated Hospital of Xiamen University, No. 55, Zhenghai Road, Xiamen 361003, Fujian, China
| | - Xiaomei Yan
- Department of Chemical Biology, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Key Laboratory for Chemical Biology of Fujian Province, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, No. 422, Siming South Road, Xiamen 361005, Fujian, China
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13
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Zhang JY, Du Y, Gong LP, Shao YT, Wen JY, Sun LP, He D, Guo JR, Chen JN, Shao CK. EBV-Induced CXCL8 Upregulation Promotes Vasculogenic Mimicry in Gastric Carcinoma via NF-κB Signaling. Front Cell Infect Microbiol 2022; 12:780416. [PMID: 35321317 PMCID: PMC8936189 DOI: 10.3389/fcimb.2022.780416] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 02/09/2022] [Indexed: 12/26/2022] Open
Abstract
Epstein–Barr virus (EBV)-associated gastric carcinoma (EBVaGC) is a distinct entity with a conspicuous tumor microenvironment compared with EBV-negative gastric carcinoma. However, the exact role of EBV in gastric carcinogenesis remains elusive. In the present study, we found that EBV upregulated CXCL8 expression, and CXCL8 significantly promoted vasculogenic mimicry (VM) formation of gastric carcinoma (GC) cells. In accordance with these observations, overexpression of CXCL8 increased cell proliferation and migration of AGS and BGC823 cells, while knockdown of CXCL8 with siRNA inhibited cell proliferation and migration of AGS-EBV cells. In addition, activation of NF-κB signaling was involved in VM formation induced by CXCL8, which was blocked by NF-κB inhibitors BAY 11-7082 and BMS345541. Furthermore, EBV-encoded lncRNA RPMS1 activated the NF-κB signaling cascade, which is responsible for EBV-induced VM formation. Both xenografts and clinical samples of EBVaGC exhibit VM histologically, which are correlated with CXCL8 overexpression. Finally, CXCL8 is positively correlated with overall survival in GC patients. In conclusion, EBV-upregulated CXCL8 expression promotes VM formation in GC via NF-κB signaling, and CXCL8 might serve as a novel anti-tumor target for EBVaGC.
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Affiliation(s)
- Jing-yue Zhang
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yu Du
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Li-ping Gong
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yi-ting Shao
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Jing-yun Wen
- Department of Medical Oncology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Li-ping Sun
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Dan He
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jin-rui Guo
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jian-ning Chen
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- *Correspondence: Jian-ning Chen, ; Chun-kui Shao,
| | - Chun-kui Shao
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- *Correspondence: Jian-ning Chen, ; Chun-kui Shao,
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14
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Yuan L, Li S, Chen Q, Xia T, Luo D, Li L, Liu S, Guo S, Liu L, Du C, Jia G, Li X, Lu Z, Yang Z, Liu H, Mai H, Tang L. EBV infection-induced GPX4 promotes chemoresistance and tumor progression in nasopharyngeal carcinoma. Cell Death Differ 2022; 29:1513-1527. [PMID: 35105963 PMCID: PMC9346003 DOI: 10.1038/s41418-022-00939-8] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 01/10/2022] [Accepted: 01/11/2022] [Indexed: 12/27/2022] Open
Abstract
Epstein-Barr virus (EBV) was the first oncogenic virus identified in humans. It is primarily associated with multiple lymphoid and epithelial cancers, including nasopharyngeal carcinoma (NPC). However, its association with ferroptosis and its role in cancer therapy resistance have not been fully elucidated. Here, we show that EBV infection reduces the sensitivity of NPC cells to ferroptosis by activating the p62-Keap1-NRF2 signaling pathway in conjunction with upregulation of SLC7A11 and GPX4 expression. Knockdown of endogenous GPX4 or blockade of GPX4 using a specific inhibitor enhanced the chemosensitivity of EBV-infected NPC cells. Functional studies revealed that GPX4 knockdown suppresses the proliferation and colony formation of NPC cells. Mechanistically, GPX4 interacts with the TAK1-TAB1/TAB3 complex, regulates TAK1 kinase activity, and further activates downstream MAPK-JNK and NFκB pathways. High GPX4 expression is correlated with poor clinical outcomes in patients with NPC and other cancer types. Taken together, our findings suggest that EBV infection has important effects on redox homeostasis, revealing a previously unappreciated role for GPX4 in tumor progression. This novel mechanism provides a potential new target for the treatment of EBV-related tumors.
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Affiliation(s)
- Li Yuan
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China.,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province, China
| | - Shibing Li
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China.,Department of Clinical Laboratory, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China.,Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Qiuyan Chen
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China.,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province, China
| | - Tianliang Xia
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China
| | - Donghua Luo
- Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province, China
| | - Liangji Li
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China.,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province, China
| | - Sailan Liu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China.,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province, China
| | - Shanshan Guo
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China.,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province, China
| | - Liting Liu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China.,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province, China
| | - Chaochao Du
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China.,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province, China
| | - Guodong Jia
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China.,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province, China
| | - Xiaoyun Li
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China.,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province, China
| | - Zijian Lu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China.,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province, China
| | - Zhenchong Yang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China.,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province, China
| | - Huanliang Liu
- Department of Clinical Laboratory, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China.,Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Haiqiang Mai
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China. .,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province, China.
| | - Linquan Tang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong Province, China. .,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Province, China.
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15
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Duan X, Chen H, Zhou X, Liu P, Zhang X, Zhu Q, Zhong L, Zhang W, Zhang S, Zhang X, Chen Y, Zhou Y, Yang C, Feng QS, Zeng YX, Xu M, Xiang T. EBV infection in epithelial malignancies induces resistance to antitumor natural killer cells via F3-mediated platelet aggregation. Cancer Res 2022; 82:1070-1083. [DOI: 10.1158/0008-5472.can-21-2292] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 12/15/2021] [Accepted: 01/18/2022] [Indexed: 11/16/2022]
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16
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EBV LMP1-activated mTORC1 and mTORC2 Coordinately Promote Nasopharyngeal Cancer Stem Cell Properties. J Virol 2022; 96:e0194121. [PMID: 35019715 DOI: 10.1128/jvi.01941-21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Epstein-Barr Virus (EBV) is associated with several malignant diseases, including Burkitt's lymphoma, nasopharyngeal carcinoma (NPC), certain types of lymphomas, and a portion of gastric cancers. Virus-encoded oncoprotein LMP1 induces the epithelial-to-mesenchymal transition (EMT), leading to cancer stem cell formation. In the current study, we investigated how LMP1 contributes to cancer stem cell development in NPC. We found that LMP1 plays an essential role in acquiring CSC characteristics, including tumor initiation, metastasis, and therapeutic resistance by activating the PI3K/mTOR/Akt signaling pathway. We dissected the functions of distinct signaling (mTORC1 and mTORC2) in the acquisition of different CSC characteristics. Side population (SP) formation, which represents the chemotherapy resistance feature of CSC, requires mTORC1 signaling. Tumor initiation capability is mainly attributed to mTORC2, which confers on NPC the capabilities of proliferation and survival by activating mTORC2 downstream genes c-Myc. Both mTORC1 and mTORC2 enhance cell migration and invasion of NPC cells, suggesting that mTORC1/2 co-regulate metastasis of NPC. The revelation of the roles of the mTOR signaling pathways in distinct tumorigenic features provides a guideline for designing efficient therapies by choosing specific mTOR inhibitors targeting mTORC1, mTORC2, or both to achieve durable remission of NPC in patients. Importance LMP1 endows NPC to gain cancer stem cell characteristics through activating mTORC1 and mTORC2 pathways. The different mTOR pathways are responsible for distinct tumorigenic features. Rapamycin-insensitive mTORC1 is essential for CSC drug resistance. NPC tumor initiation capacity is mainly attributed to mTORC2 signaling. mTORC1 and mTORC2 co-regulate NPC cell migration and invasion. The revelation of the roles of mTOR signaling in NPC CSC establishment has implications for novel therapeutic strategies to treat relapsed and metastatic NPC and achieve durable remission.
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17
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Zhu QY, Zhao GX, Li Y, Talakatta G, Mai HQ, Le QT, Young LS, Zeng MS. Advances in pathogenesis and precision medicine for nasopharyngeal carcinoma. MedComm (Beijing) 2021; 2:175-206. [PMID: 34766141 PMCID: PMC8491203 DOI: 10.1002/mco2.32] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 07/28/2020] [Accepted: 07/29/2020] [Indexed: 12/13/2022] Open
Abstract
Nasopharyngeal carcinoma (NPC) is a squamous carcinoma with apparent geographical and racial distribution, mostly prevalent in East and Southeast Asia, particularly concentrated in southern China. The epidemiological trend over the past decades has suggested a substantial reduction in the incidence rate and mortality rate due to NPC. These results may reflect changes in lifestyle and environment, and more importantly, a deeper comprehension of the pathogenic mechanism of NPC, leading to much progress in the preventing, screening, and treating for this cancer. Herein, we present the recent advances on the key signal pathways involved in pathogenesis of NPC, the mechanism of Epstein‐Barr virus (EBV) entry into the cell, and the progress of EBV vaccine and screening biomarkers. We will also discuss in depth the development of various therapeutic approaches including radiotherapy, chemotherapy, surgery, targeted therapy, and immunotherapy. These research advancements have led to a new era of precision medicine in NPC.
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Affiliation(s)
- Qian-Ying Zhu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy Sun Yat-sen University Cancer Center (SYSUCC) Guangzhou China
| | - Ge-Xin Zhao
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy Sun Yat-sen University Cancer Center (SYSUCC) Guangzhou China
| | - Yan Li
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy Sun Yat-sen University Cancer Center (SYSUCC) Guangzhou China
| | - Girish Talakatta
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy Sun Yat-sen University Cancer Center (SYSUCC) Guangzhou China
| | - Hai-Qiang Mai
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy Sun Yat-sen University Cancer Center (SYSUCC) Guangzhou China
| | - Quynh-Thu Le
- Department of Radiation Oncology Stanford California
| | - Lawrence S Young
- Warwick Medical School University of Warwick Coventry United Kingdom
| | - Mu-Sheng Zeng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy Sun Yat-sen University Cancer Center (SYSUCC) Guangzhou China
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18
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Alfaro-García JP, Granados-Alzate MC, Vicente-Manzanares M, Gallego-Gómez JC. An Integrated View of Virus-Triggered Cellular Plasticity Using Boolean Networks. Cells 2021; 10:cells10112863. [PMID: 34831086 PMCID: PMC8616224 DOI: 10.3390/cells10112863] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/18/2021] [Accepted: 10/22/2021] [Indexed: 11/16/2022] Open
Abstract
Virus-related mortality and morbidity are due to cell/tissue damage caused by replicative pressure and resource exhaustion, e.g., HBV or HIV; exaggerated immune responses, e.g., SARS-CoV-2; and cancer, e.g., EBV or HPV. In this context, oncogenic and other types of viruses drive genetic and epigenetic changes that expand the tumorigenic program, including modifications to the ability of cancer cells to migrate. The best-characterized group of changes is collectively known as the epithelial–mesenchymal transition, or EMT. This is a complex phenomenon classically described using biochemistry, cell biology and genetics. However, these methods require enormous, often slow, efforts to identify and validate novel therapeutic targets. Systems biology can complement and accelerate discoveries in this field. One example of such an approach is Boolean networks, which make complex biological problems tractable by modeling data (“nodes”) connected by logical operators. Here, we focus on virus-induced cellular plasticity and cell reprogramming in mammals, and how Boolean networks could provide novel insights into the ability of some viruses to trigger uncontrolled cell proliferation and EMT, two key hallmarks of cancer.
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Affiliation(s)
- Jenny Paola Alfaro-García
- Molecular and Translation Medicine Group, Faculty of Medicine, University of Antioquia, Medellin 050010, Colombia; (J.P.A.-G.); (M.C.G.-A.)
| | - María Camila Granados-Alzate
- Molecular and Translation Medicine Group, Faculty of Medicine, University of Antioquia, Medellin 050010, Colombia; (J.P.A.-G.); (M.C.G.-A.)
| | - Miguel Vicente-Manzanares
- Molecular Mechanisms Program, Centro de Investigación del Cáncer, Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-University of Salamanca, 37007 Salamanca, Spain
- Correspondence: (M.V.-M.); (J.C.G.-G.)
| | - Juan Carlos Gallego-Gómez
- Molecular and Translation Medicine Group, Faculty of Medicine, University of Antioquia, Medellin 050010, Colombia; (J.P.A.-G.); (M.C.G.-A.)
- Correspondence: (M.V.-M.); (J.C.G.-G.)
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19
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Zhu N, Xu X, Wang Y, Zeng MS, Yuan Y. EBV latent membrane proteins promote hybrid epithelial-mesenchymal and extreme mesenchymal states of nasopharyngeal carcinoma cells for tumorigenicity. PLoS Pathog 2021; 17:e1009873. [PMID: 34407150 PMCID: PMC8405006 DOI: 10.1371/journal.ppat.1009873] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 08/30/2021] [Accepted: 08/07/2021] [Indexed: 12/30/2022] Open
Abstract
EBV-encoded LMPs are consistently detected in nasopharyngeal carcinoma (NPC). Recent evidence suggests potential roles of LMP1 and LMP2A in Epithelial-to-mesenchymal transition (EMT) process in NPC. EMT engages in the generation and maintenance of cancer stem cells (CSCs) and confers on cancer cells increased tumor-initiating and metastatic potential, and higher resistance to anticancer therapies. However, how LMP1 and LMP2A regulate the EMT process to generate cells with different EMT states and its implications for tumor progression remain unclear. Here we report that LMP1 and LMP2A promote EMT that drives NPC cells from the epithelial-like state (E) (CD104+, CD44low) to epithelial-mesenchymal hybrid (E/M) state (CD104+, CD44high). Furthermore, LMP2A possesses an additional function in stabilizing LMP1 and increasing the level of LMP1 in NPC cells. The elevated LMP1 further forces the EMT to generate extreme-mesenchymal (xM) state cells (CD104-, CD44high). To define the tumorigenic features of cancer stem cells at different states in the EMT spectrum, E, E/M and xM subpopulations were isolated and tested for tumorigenic capability in a tumor xenograft animal model. We found that the cells with E/M phenotypes possess the highest tumor initiating capacity. However, the xM subpopulation exhibits increased vasculogenic mimicry, a hallmark of metastatic cancers. Taken together, coordinated action of LMP1 and LMP2A generates an array of intermediate subpopulations in the EMT spectrum that are responsible for distinct tumorigenic features of NPC such as tumor-initiation, vasculogenesis, and metastasis. Intratumoral heterogeneity, characterized by the existence of distinct cellular populations within tumor lesions, poses a significant challenge for the treatment of high-grade cancers. Using an EBV-associated nasopharyngeal carcinoma (NPC) model, we sought to elucidate how a virus or its oncoproteins promote the establishment of cancer stem cells that comprises heterogeneous subpopulations. We found that the coordinated action of EBV membrane proteins LMP1 and LMP2A generates heterogeneous subpopulations of cancer stem cells in nasopharyngeal carcinoma by activating the epithelial-to-mesenchymal transition (EMT). Furthermore, the contributions of the different subpopulations to NPC oncogenesis were investigated. Results showed that cells with an epithelial/mesenchymal hybrid state (E/M) possess the highest tumor initiating capacity; and a highly mesenchymal state (xM) subpopulation exhibits increased vasculogenic mimicry. These finding suggest that cancer stem cells residing at various EMT states are responsible for distinct tumorigenic features such as tumor-initiation, vasculogenesis, and metastasis.
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Affiliation(s)
- Nannan Zhu
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, China.,Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xiaoting Xu
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yan Wang
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, China
| | - Mu-Sheng Zeng
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yan Yuan
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Basic and Translational Sciences, University of Pennsylvania School of Dental Medicine, Philadelphia, Pennsylvania, United States of America
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20
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Zhang L, Zhang M, Mujumdar AS. Technological innovations or advancement in detecting frozen and thawed meat quality: A review. Crit Rev Food Sci Nutr 2021; 63:1483-1499. [PMID: 34382891 DOI: 10.1080/10408398.2021.1964434] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Frozen storage is one of the main storage methods for meat products. Freezing and thawing processes are important factors affecting the quality of stored foods. Deterioration of texture, denaturation of protein, decline of water holding capacity etc. are among the major quality issues during freezing that must be addressed. A number of advanced technologies are now available to detect the quality changes that can occur during freezing and/or thawing. This paper presents an overview of the techniques commonly used for the detection of meat product quality; these include: advanced microscopy, molecular sensory science and technology, nuclear magnetic resonance, hyperspectral technology, near infrared spectroscopy, Raman spectroscopy etc. These direct and indirect measurement techniques can characterize the quality of meat product from many different angles. The objective of this review is to provide an in-depth understanding of possible quality changes in meat products during freezing and thawing cycle so as to improve the quality of frozen and thawed meat products in industrial practice.
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Affiliation(s)
- Lihui Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Min Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,Jiangsu Province Key Laboratory of Advanced Food Manufacturing Equipment and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Arun S Mujumdar
- Department of Bioresource Engineering, Macdonald Campus, McGill University, Montreal, Quebec, Canada
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21
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Luo H, Yi B. The role of Exosomes in the Pathogenesis of Nasopharyngeal Carcinoma and the involved Clinical Application. Int J Biol Sci 2021; 17:2147-2156. [PMID: 34239345 PMCID: PMC8241729 DOI: 10.7150/ijbs.59688] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 05/17/2021] [Indexed: 12/12/2022] Open
Abstract
Exosomes are nanoscale membrane vesicles, which carry biologically active substances of their cell of origin and play an important role in signal transduction and intercellular communication. At present, exosomes have been identified as a promising non-invasive liquid biopsy biomarker in the tissues and circulating blood of nasopharyngeal carcinoma (NPC) and found to participate in regulating pathophysiological process of the tumor. We here review recent insights gained into the molecular mechanisms of exosome-induced cell growth, angiogenesis, metastasis, immunosuppression, radiation resistance and chemotherapy resistance in the development and progression of NPC, as well as the clinical application of exosomes as diagnostic biomarkers and therapeutic agents. We also discuss the limitations and challenges in exosome application. We hope this review may provide some references for the use of exosomes in clinical intervention.
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Affiliation(s)
- Huidan Luo
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province 410008, China
| | - Bin Yi
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province 410008, China
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22
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Stanniocalcin-2 promotes cell EMT and glycolysis via activating ITGB2/FAK/SOX6 signaling pathway in nasopharyngeal carcinoma. Cell Biol Toxicol 2021; 38:259-272. [PMID: 33797657 PMCID: PMC8986754 DOI: 10.1007/s10565-021-09600-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 03/03/2021] [Indexed: 12/18/2022]
Abstract
Stanniocalcin-2 (STC2) has been proved to regulate a variety of signaling pathways including cell growth, metastasis, and therapeutic resistance. However, the role of STC2 in the regulation of nasopharyngeal carcinoma (NPC) remains poorly understood. In this study, we investigated the regulatory function of STC2 on epithelial-mesenchymal transition (EMT) and glycolysis traits in NPC and revealed the underlying molecular mechanisms. We found that STC2 was highly expressed in primary nasopharyngeal carcinoma tissues and lymph node metastatic tissues. Silencing of STC2 inhibited cell proliferation, invasion, and glycolysis. Further analyses for the clinical samples demonstrated that STC2 expression was associated with the poor clinical progression. Moreover, we demonstrated the interaction of ITGB2 with STC2 and its involvement in STC2-mediated ITGB2/FAK/SOX6 axis. Collectively, our results provide new insights into understanding the regulatory mechanism of STC2 and suggest that the STC2/ITGB2/FAK/SOX6 signaling axis may be a potential therapeutic target for NPC.
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23
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Torres K, Landeros N, Wichmann IA, Polakovicova I, Aguayo F, Corvalan AH. EBV miR-BARTs and human lncRNAs: Shifting the balance in competing endogenous RNA networks in EBV-associated gastric cancer. Biochim Biophys Acta Mol Basis Dis 2021; 1867:166049. [PMID: 33401001 DOI: 10.1016/j.bbadis.2020.166049] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 12/04/2020] [Accepted: 12/14/2020] [Indexed: 02/06/2023]
Abstract
Non-coding RNAs (ncRNAs) contribute to the regulation of gene expression. By acting as competing endogenous RNA (ceRNA), long non-coding RNAs (lncRNAs) hijack microRNAs (miRNAs) and inhibit their ability to bind their coding targets. Viral miRNAs can compete with and target the same transcripts as human miRNAs, shifting the balance in networks associated with multiple cellular processes and diseases. Epstein-Barr virus (EBV) is an example of how a subset of viral coding RNA and non-coding RNAs can cause deregulation of human transcripts and contribute to the development of EBV-associated malignancies. EBV non-coding transforming genes include lncRNAs (i.e circular RNAs), and small ncRNAs (i.e. miRNAs). Among the latter, most ongoing research has focused on miR-BARTs whereas target many genes associated with apoptosis and epithelial-mesenchymal transition, in EBV-associated gastric cancer (GC). In this review, we propose to include the interactions between EBV ncRNAs human transcripts in the hypothesis known as "competitive viral and host RNAs". These interactions may shift the balance in biological pathways such as apoptosis and epithelial-mesenchymal transition in EBV-associated gastric cancer.
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Affiliation(s)
- Keila Torres
- Advanced Center for Chronic Diseases, Pontificia Universidad Católica de Chile, Santiago, Chile; UC Center for Investigational Oncology, Pontificia Universidad Católica de Chile, Santiago, Chile; Department of Hematology-Oncology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Natalia Landeros
- Advanced Center for Chronic Diseases, Pontificia Universidad Católica de Chile, Santiago, Chile; UC Center for Investigational Oncology, Pontificia Universidad Católica de Chile, Santiago, Chile; Department of Hematology-Oncology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Ignacio A Wichmann
- Advanced Center for Chronic Diseases, Pontificia Universidad Católica de Chile, Santiago, Chile; UC Center for Investigational Oncology, Pontificia Universidad Católica de Chile, Santiago, Chile; Department of Hematology-Oncology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Iva Polakovicova
- Advanced Center for Chronic Diseases, Pontificia Universidad Católica de Chile, Santiago, Chile; UC Center for Investigational Oncology, Pontificia Universidad Católica de Chile, Santiago, Chile; Department of Hematology-Oncology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Francisco Aguayo
- Advanced Center for Chronic Diseases, Universidad de Chile, Santiago, Chile; Virology Program, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Alejandro H Corvalan
- Advanced Center for Chronic Diseases, Pontificia Universidad Católica de Chile, Santiago, Chile; UC Center for Investigational Oncology, Pontificia Universidad Católica de Chile, Santiago, Chile; Department of Hematology-Oncology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.
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24
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Zheng S, Matskova L, Zhou X, Xiao X, Huang G, Zhang Z, Ernberg I. Downregulation of adipose triglyceride lipase by EB viral-encoded LMP2A links lipid accumulation to increased migration in nasopharyngeal carcinoma. Mol Oncol 2020; 14:3234-3252. [PMID: 33064888 PMCID: PMC7718958 DOI: 10.1002/1878-0261.12824] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 07/02/2020] [Accepted: 10/12/2020] [Indexed: 12/24/2022] Open
Abstract
Epstein–Barr virus (EBV)‐associated nasopharyngeal carcinoma (NPC) is one of the most common human cancers in South‐East Asia exhibiting typical features of lipid accumulation. EBV‐encoded latent membrane protein 2A (LMP2A) is expressed in most NPCs enhancing migration and invasion. We recently showed an increased accumulation of lipid droplets in NPC, compared with normal nasopharyngeal epithelium. It is important to uncover the mechanism behind this lipid metabolic shift to better understand the pathogenesis of NPC and provide potential therapeutic targets. We show that LMP2A increased lipid accumulation in NPC cells. LMP2A could block lipid degradation by downregulating the lipolytic gene adipose triglycerol lipase (ATGL). This is in contrast to lipid accumulation due to enhanced lipid biosynthesis seen in many cancers. Suppression of ATGL resulted in enhanced migration in vitro, and ATGL was found downregulated in NPC biopsies. The reduced expression level of ATGL correlated with poor overall survival in NPC patients. Our findings reveal a new role of LMP2A in lipid metabolism, correlating with NPC patient survival depending on ATGL downregulation.
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Affiliation(s)
- Shixing Zheng
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden.,Department of Otolaryngology-Head & Neck Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Liudmila Matskova
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden.,The School of Life Sciences, Baltic Federal University, Kaliningrad, Russia
| | - Xiaoying Zhou
- Scientific Research Center, Life Science Institute, Guangxi Medical University, Nanning, China
| | - Xue Xiao
- Department of Otolaryngology-Head & Neck Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Guangwu Huang
- Department of Otolaryngology-Head & Neck Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Zhe Zhang
- Department of Otolaryngology-Head & Neck Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Ingemar Ernberg
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
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25
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Wang Q, Jiang S, Wang W, Jiang H. Effects of baohuoside-I on epithelial-mesenchymal transition and metastasis in nasopharyngeal carcinoma. Hum Exp Toxicol 2020; 40:566-576. [PMID: 32945196 DOI: 10.1177/0960327120960765] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
To investigate the effect of baohuoside-I against nasopharyngeal carcinoma (NPC) and its underlying mechanism, baohuoside-I was employed to treat NPC cell lines CNE1 and CNE2 in vitro, followed by attachment and detachment assays to evalute the epithelial-mesenchymal transition (EMT) phenotype markers. Baohuoside-I was also administered to experimental mice to assess its effect on xenograft tumor growth and NPC cell metastasis. A microRNA (miRNA, miR) microarray was performed to screen for miRNA altered by baohuoside-I in NPC cells. Bioinformatic tools and luciferase activity assay was conducted to identify the downstream molecules mediating the anti-tumor property of baohuoside-I. Baohuoside-I inhibited EMT and metastasis and upregulated miR-370-3p in NPC cells, which was shown to directly recognize and inhibit expression of Hedgehog pathway component Smoothened (SMO). Baohuoside-I suppresses metastasis as well as EMT of NPC cells through targeting the Hedgehog pathway component SMO, and may serve as a potent anti-tumor agent in the clinical management of NPC.
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Affiliation(s)
- Q Wang
- Department of Otorhinolaryngology Head and Neck, Yantai Yuhuangding Hospital, Yantai, Shandong, China
| | - S Jiang
- Department of Otorhinolaryngology Head and Neck, Yantai Yuhuangding Hospital, Yantai, Shandong, China
| | - W Wang
- Department of Ophthalmology and Otolaryngology, Shandong Province Wendeng Orthopic and Traumatic Hospital, Weihai, Shandong, China
| | - H Jiang
- Department of Pathology, Shandong Province Wendeng Orthopic and Traumatic Hospital, Weihai, Shandong, China
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26
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Li SB, Liu YY, Yuan L, Ji MF, Zhang A, Li HY, Tang LQ, Fang SG, Zhang H, Xing S, Li MZ, Zhong Q, Lin SJ, Liu WL, Huang P, Zeng YX, Zheng YM, Ling ZQ, Sui JH, Zeng MS. Autocrine INSL5 promotes tumor progression and glycolysis via activation of STAT5 signaling. EMBO Mol Med 2020; 12:e12050. [PMID: 32657028 PMCID: PMC7507000 DOI: 10.15252/emmm.202012050] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 06/15/2020] [Accepted: 06/18/2020] [Indexed: 12/12/2022] Open
Abstract
Metabolic reprogramming plays important roles in development and progression of nasopharyngeal carcinoma (NPC), but the underlying mechanism has not been completely defined. In this work, we found INSL5 was elevated in NPC tumor tissue and the plasma of NPC patients. Plasma INSL5 could serve as a novel diagnostic marker for NPC, especially for serum VCA-IgA-negative patients. Moreover, higher plasma INSL5 level was associated with poor disease outcome. Functionally, INSL5 overexpression increased, whereas knockdown of its receptor GPCR142 or inhibition of INSL5 reduced cell proliferation, colony formation, and cell invasion in vitro and tumorigenicity in vivo. Mechanistically, INSL5 enhanced phosphorylation and nuclear translocation of STAT5 and promoted glycolytic gene expression, leading to induced glycolysis in cancer cells. Pharmaceutical inhibition of glycolysis by 2-DG or blockade of INSL5 by a neutralizing antibody reversed INSL5-induced proliferation and invasion, indicating that INSL5 can be a potential therapeutic target in NPC. In conclusion, INSL5 enhances NPC progression by regulating cancer cell metabolic reprogramming and is a potential diagnostic and prognostic marker as well as a therapeutic target for NPC.
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Affiliation(s)
- Shi-Bing Li
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yan-Yan Liu
- Department of Nephrology, Division of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Li Yuan
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Ming-Fang Ji
- Cancer Research Institute of Zhongshan City, Zhongshan, China
| | - Ao Zhang
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Hui-Yu Li
- National Institute of Biological Sciences, Beijing, China
| | - Lin-Quan Tang
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Shuo-Gui Fang
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Radiation Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Hua Zhang
- School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Shan Xing
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Man-Zhi Li
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Qian Zhong
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Shao-Jun Lin
- Department of Radiation Oncology, Fujian Provincial Cancer Hospital, Fuzhou, China
| | - Wan-Li Liu
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Peng Huang
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yi-Xin Zeng
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yu-Ming Zheng
- Department of Clinical Laboratory, Wuzhou Red Cross Hospital, Wuzhou, China
| | | | - Jian-Hua Sui
- National Institute of Biological Sciences, Beijing, China
| | - Mu-Sheng Zeng
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
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27
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Gupta I, Ghabreau L, Al-Thawadi H, Yasmeen A, Vranic S, Al Moustafa AE, Malki MI. Co-incidence of Human Papillomaviruses and Epstein-Barr Virus Is Associated With High to Intermediate Tumor Grade in Human Head and Neck Cancer in Syria. Front Oncol 2020; 10:1016. [PMID: 32974123 PMCID: PMC7468388 DOI: 10.3389/fonc.2020.01016] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 05/22/2020] [Indexed: 12/20/2022] Open
Abstract
High-risk human papillomaviruses (high-risk HPVs) have been recently reported to be co-present with Epstein–Barr virus (EBV) in different types of human cancers including head and neck (HN), where they can cooperate in the initiation and/or progression of this cancer. Accordingly, we herein explored the prevalence of high-risk HPVs and EBV in 80 HN cancer tissues from the Syrian population using polymerase chain reaction, immunohistochemistry, and tissue microarray methodologies. We report that high-risk HPVs and EBV are present in 35/80 (43.7%) and 41/80 (51.2%) of our samples, respectively, and the most frequent HPV types are 33, 16, 18, 45, 52, 58, 35, 51, and 31, in this order. More significantly, our data reveal that 25/80 (31.2%) of cancer cases are positive for high-risk HPVs as well as EBV, and their co-presence is associated with high/intermediate-grade squamous cell carcinomas. These data confirm the co-presence of high-risk HPVs and EBV in HN cancers in the Syrian population of the Middle East and demonstrate that their co-incidence is linked to a more aggressive cancer phenotype. Thus, future studies are required to confirm these data and elucidate the exact role of high-risk and EBV cooperation in human HN carcinogenesis.
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Affiliation(s)
- Ishita Gupta
- College of Medicine, QU Health, Qatar University, Doha, Qatar.,Biomedical Research Centre, Qatar University, Doha, Qatar
| | - Lina Ghabreau
- Pathology Department, Faculty of Medicine, University of Aleppo, Aleppo, Syria.,Syrian Research Cancer Centre of the Syrian Society Against Cancer, Aleppo, Syria
| | | | - Amber Yasmeen
- Segal Cancer Centre, Lady Davis Institute for Medical Research of the Sir Mortimer B. Davis-Jewish General Hospital, Montreal, QC, Canada
| | - Semir Vranic
- College of Medicine, QU Health, Qatar University, Doha, Qatar
| | - Ala-Eddin Al Moustafa
- College of Medicine, QU Health, Qatar University, Doha, Qatar.,Biomedical Research Centre, Qatar University, Doha, Qatar
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28
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Gong LP, Chen JN, Dong M, Xiao ZD, Feng ZY, Pan YH, Zhang Y, Du Y, Zhang JY, Bi YH, Huang JT, Liang J, Shao CK. Epstein-Barr virus-derived circular RNA LMP2A induces stemness in EBV-associated gastric cancer. EMBO Rep 2020; 21:e49689. [PMID: 32790025 DOI: 10.15252/embr.201949689] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 07/09/2020] [Accepted: 07/17/2020] [Indexed: 12/12/2022] Open
Abstract
Cancer stem cells (CSCs) are cancer-initiating cells that are not only a source of tumorigenesis but also the cause of tumour progression, metastasis and therapy resistance. EBV-associated gastric cancer (EBVaGC) is a distinct subtype of gastric cancer with unique clinicopathological and molecular features. However, whether CSCs exist in EBVaGC, and the tumorigenic mechanism of EBV, remains unclear. Here, NOD/SCID mice were injected subcutaneously with the EBVaGC cell line SNU719 and treated with 5-fluorouracil weekly. Successive generations of xenografts yielded a highly malignant EBVaGC cell line, SNU-4th, which displays properties of CSCs and mainly consists of CD44+ CD24- cells. In SNU-4th cells, an EBV-encoded circRNA, ebv-circLMP2A, expression increased and plays crucial roles in inducing and maintaining stemness phenotypes through targeting miR-3908/TRIM59/p53 axis. Additionally, high expression of ebv-circLMP2A is significantly associated with metastasis and poor prognosis in patients with EBVaGC. These findings not only provide evidence for the existence of CSCs in EBVaGC and elucidate the pathogenic mechanism of ebv-circLMP2A in EBVaGC, but also provide a promising therapeutic target for EBVaGC.
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Affiliation(s)
- Li-Ping Gong
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jian-Ning Chen
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Min Dong
- Department of Medical Oncology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zhen-Dong Xiao
- Biotherapy Center, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zhi-Ying Feng
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yu-Hang Pan
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yu Zhang
- Department of Pathology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yu Du
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jing-Yue Zhang
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yuan-Hua Bi
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Department of Pathology, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Jun-Ting Huang
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jing Liang
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Chun-Kui Shao
- Department of Pathology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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29
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Yasui M, Kunita A, Numakura S, Uozaki H, Ushiku T, Fukayama M. Cancer stem cells in Epstein-Barr virus-associated gastric carcinoma. Cancer Sci 2020; 111:2598-2607. [PMID: 32338409 PMCID: PMC7385383 DOI: 10.1111/cas.14435] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 04/18/2020] [Accepted: 04/22/2020] [Indexed: 12/21/2022] Open
Abstract
Cancer stem cells (CSCs) play a decisive role in the development and progression of cancer. To investigate CSCs in Epstein-Barr virus (EBV)-associated carcinoma (EBVaGC), we screened previously reported stem cell markers of gastric cancer in EBV-infected gastric cancer cell lines (TMK1 and NUGC3) and identified CD44v6v9 double positive cells as candidate CSCs. CD44v6/v9+/+ cells were sorted from EBVaGC cell line (SNU719) cells and EBV-infected TMK1 cells and these cell populations showed high spheroid-forming ability and tumor formation in SCID mice compared with the respective CD44v6/v9-/- cells. Sphere-forming ability was dependent on the nuclear factor-κB (NF-κB) signaling pathway, which was confirmed by decrease of sphere formation ability under BAY 11-7082. Small interfering RNA knockdown of latent membrane protein 2A (LMP2A), one of the latent gene products of EBV infection, decreased spheroid formation in SNU719 cells. Transfection of the LMP2A gene increased the sphere-forming ability of TMK1 cells, which was mediated through NF-κB signaling. Together, these results indicate that CD44v6v9+/+ cells are CSCs in EBVaGC that are maintained through the LMP2A/NF-κB pathway. Future studies should investigate CD44v6/v9+/+ cells in normal and neoplastic gastric epithelium to prevent and treat this specific subtype of gastric cancer infected with EBV.
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Affiliation(s)
- Mariko Yasui
- Department Pathology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan.,Department Pathology, Teikyo University School of Medicine, Tokyo, Japan
| | - Akiko Kunita
- Department Pathology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - Satoe Numakura
- Department Pathology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan.,Department Pathology, Teikyo University School of Medicine, Tokyo, Japan
| | - Hiroshi Uozaki
- Department Pathology, Teikyo University School of Medicine, Tokyo, Japan
| | - Tetsuo Ushiku
- Department Pathology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - Masashi Fukayama
- Department Pathology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan.,Asahi Telepathology Centre, Asahi General Hospital, Asahi, Japan
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30
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Fernandes Q, Gupta I, Vranic S, Al Moustafa AE. Human Papillomaviruses and Epstein-Barr Virus Interactions in Colorectal Cancer: A Brief Review. Pathogens 2020; 9:pathogens9040300. [PMID: 32325943 PMCID: PMC7238043 DOI: 10.3390/pathogens9040300] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 04/05/2020] [Accepted: 04/07/2020] [Indexed: 02/06/2023] Open
Abstract
Human papillomaviruses (HPVs) and the Epstein-Barr virus (EBV) are the most common oncoviruses, contributing to approximately 10%-15% of all malignancies. Oncoproteins of high-risk HPVs (E5 and E6/E7), as well as EBV (LMP1, LMP2A and EBNA1), play a principal role in the onset and progression of several human carcinomas, including head and neck, cervical and colorectal. Oncoproteins of high-risk HPVs and EBV can cooperate to initiate and/or enhance epithelial-mesenchymal transition (EMT) events, which represents one of the hallmarks of cancer progression and metastasis. Although the role of these oncoviruses in several cancers is well established, their role in the pathogenesis of colorectal cancer is still nascent. This review presents an overview of the most recent advances related to the presence and role of high-risk HPVs and EBV in colorectal cancer, with an emphasis on their cooperation in colorectal carcinogenesis.
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Affiliation(s)
- Queenie Fernandes
- College of Medicine, QU Health, Qatar University, Doha 2713, Qatar; (Q.F.); (I.G.)
- Biomedical Research Centre, Qatar University, Doha 2713, Qatar
| | - Ishita Gupta
- College of Medicine, QU Health, Qatar University, Doha 2713, Qatar; (Q.F.); (I.G.)
- Biomedical Research Centre, Qatar University, Doha 2713, Qatar
| | - Semir Vranic
- College of Medicine, QU Health, Qatar University, Doha 2713, Qatar; (Q.F.); (I.G.)
- Correspondence: (S.V.); (A.-E.A.M.); Tel.:+974-4403-7873 (S.V.); +974-4403-7817 (A.-E.A.M.)
| | - Ala-Eddin Al Moustafa
- College of Medicine, QU Health, Qatar University, Doha 2713, Qatar; (Q.F.); (I.G.)
- Biomedical Research Centre, Qatar University, Doha 2713, Qatar
- Correspondence: (S.V.); (A.-E.A.M.); Tel.:+974-4403-7873 (S.V.); +974-4403-7817 (A.-E.A.M.)
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Baloche V, Ferrand FR, Makowska A, Even C, Kontny U, Busson P. Emerging therapeutic targets for nasopharyngeal carcinoma: opportunities and challenges. Expert Opin Ther Targets 2020; 24:545-558. [PMID: 32249657 DOI: 10.1080/14728222.2020.1751820] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/08/2022]
Abstract
Introduction: Nasopharyngeal carcinoma (NPC) is a major public health problem in several countries, especially those in Southeast Asia and North Africa. In its typical poorly differentiated form, the Epstein-Barr virus (EBV) genome is present in the nuclei of all malignant cells with restricted expression of a few viral genes. The malignant phenotype of NPC cells results from the influence of these viral products in combination with cellular genetic, epigenetic and functional alterations. With regard to host/tumor interactions, NPC is a remarkable example of immune escape in the context of a hot tumor.Areas covered: This article has an emphasis on emerging therapeutic targets that are considered upstream or at an early stage of clinical application. It examines targets related to cellular oncogenic alterations, latent EBV infection and tumor interactions with the immune system.Expert opinion: There is a remarkable emergence of new agents that target EBV products. The clinical application of these agents would benefit from a systematic and comprehensive molecular classification of NPCs and from easy access to pre-clinical models in public repositories. There is a strong rationale for more investigations on the potential of immune modulators, especially those related to NK cells.
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Affiliation(s)
- Valentin Baloche
- CNRS, UMR 9018, Gustave Roussy and Uuniversité Paris-Saclay, 39, rue Camille Desmoulins, Villejuif, France
| | | | - Anna Makowska
- Division of Pediatric Hematology, Oncology and Stem Cell Transplantation, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Caroline Even
- Département de cancérologie cervico-faciale, Gustave Roussy and université Paris-Saclay, 39, rue Camille Desmoulins, F-94805, Villejuif, France
| | - Udo Kontny
- Division of Pediatric Hematology, Oncology and Stem Cell Transplantation, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Pierre Busson
- CNRS, UMR 9018, Gustave Roussy and Uuniversité Paris-Saclay, 39, rue Camille Desmoulins, Villejuif, France
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32
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Gupta I, Nasrallah GK, Sharma A, Jabeen A, Smatti MK, Al-Thawadi HA, Sultan AA, Alkhalaf M, Vranic S, Moustafa AEA. Co-prevalence of human Papillomaviruses (HPV) and Epstein-Barr virus (EBV) in healthy blood donors from diverse nationalities in Qatar. Cancer Cell Int 2020; 20:107. [PMID: 32265596 PMCID: PMC7118960 DOI: 10.1186/s12935-020-01190-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 03/27/2020] [Indexed: 12/31/2022] Open
Abstract
Background Infections by both human oncoviruses, human Papillomaviruses (HPV) and Epstein–Barr virus (EBV) are very common in the adult human population and are associated with various malignancies. While HPV is generally transmitted sexually or via skin-to-skin contact, EBV is frequently transmitted by oral secretions, blood transfusions and organ transplants. This study aims to determine the prevalence and circulating genotypes of HPV and EBV in healthy blood donors in Qatar. Methods We explored the co-prevalence of high-risk HPVs and EBV in 378 males and only 7 females blood donors of different nationalities (mainly from Qatar, Egypt, Syria, Jordan, Pakistan, and India) residing in Qatar, using polymerase chain reaction (PCR). DNA was extracted from the buffy coat and genotyping was performed using PCR and nested-PCR targeting E6 and E7 as well as LMP-1 of HPV and EBV, respectively. Results We found that from the total number of 385 cases of healthy blood donors studied, 54.8% and 61% of the samples are HPVs and EBV positive, respectively. Additionally, our data revealed that the co-presence of both high-risk HPVs and EBV is 40.4% of the total samples. More significantly, this study pointed out for the first time that the most frequent high-risk HPV types in Qatar are 59 (54.8%), 31 (53.7%), 52 (49.1%), 51 (48.6%), 58 (47%) and 35 (45.5%), while the most commonly expressed low-risk HPV types are 53 (50.6%), 11 (45.5), 73 (41.7%) and 6 (41.3%), with all the cases showing multiple HPVs infection. Conclusion In this study, we demonstrated for the first time that HPV and EBV are commonly co-present in healthy blood donors in Qatar. On the other hand, it is important to highlight that these oncoviruses can also be co-present in several types of human cancers where they can cooperate in the initiation and/or progression of these cancers. Therefore, more studies regarding the co-presence of these oncoviruses and their interaction are necessary to understand their cooperative role in human diseases.
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Affiliation(s)
- Ishita Gupta
- 1College of Medicine, QU Health, Qatar University, Doha, Qatar
| | | | - Anju Sharma
- 1College of Medicine, QU Health, Qatar University, Doha, Qatar
| | - Ayesha Jabeen
- 1College of Medicine, QU Health, Qatar University, Doha, Qatar
| | - Maria K Smatti
- 2Biomedical Research Centre, Qatar University, Doha, Qatar
| | | | | | - Moussa Alkhalaf
- 4Faculty of Medicine, Kuwait University, Kuwait City, Kuwait
| | - Semir Vranic
- 1College of Medicine, QU Health, Qatar University, Doha, Qatar
| | - Ala-Eddin Al Moustafa
- 1College of Medicine, QU Health, Qatar University, Doha, Qatar.,2Biomedical Research Centre, Qatar University, Doha, Qatar
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33
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Generation of novel affibody molecules targeting the EBV LMP2A N-terminal domain with inhibiting effects on the proliferation of nasopharyngeal carcinoma cells. Cell Death Dis 2020; 11:213. [PMID: 32238802 PMCID: PMC7113277 DOI: 10.1038/s41419-020-2410-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 03/12/2020] [Accepted: 03/12/2020] [Indexed: 12/17/2022]
Abstract
Nasopharyngeal carcinoma (NPC) induced by latent infection with Epstein-Barr virus (EBV) remains the most common head and neck cancer in Southeast Asia, especially in the southern part of China. It is well known that persistent expression of two EBV latent membrane proteins (LMP1/LMP2A) plays a key role in nasopharyngeal carcinogenesis. Therefore, the therapeutic approach of targeting the LMP1/LMP2A protein and subsequently blocking the LMP1/LMP2A-mediated signalling pathway has been considered for treating patients with NPC. Recently, affibody molecules, a new class of small (~6.5 kDa) affinity proteins, have been confirmed to be powerful generalisable tools for developing imaging or therapeutic agents by targeting specific molecules. In this study, three EBV LMP2A N-terminal domain-binding affibody molecules (ZLMP2A-N85, ZLMP2A-N110 and ZLMP2A-N252) were identified by screening a phage-displayed peptide library, and their high affinity and specificity for the EBV LMP2A N-terminal domain were confirmed by surface plasmon resonance (SPR), indirect immunofluorescence, co-immunoprecipitation and near-infrared small animal fluorescence imaging in vitro and in vivo. Moreover, affibody molecules targeting the EBV LMP2A N-terminal domain significantly reduced the viability of the EBV-positive cell lines C666-1, CNE-2Z and B95-8. Further investigations showed that affibody ZLMP2A-N110 could inhibit the phosphorylation of AKT, GSK-3β and β-catenin signalling proteins, leading to suppression of β-catenin nuclear translocation and subsequent inhibition of c-Myc oncogene expression, which may be responsible for the reduced viability of NPC-derived cell lines. In conclusion, our findings provide a strong evidence that three novel EBV LMP2A N-terminal domain-binding affibody molecules have great potential for utilisation and development as agents for both molecular imaging and targeted therapy of EBV-related NPC.
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Liu W, Luo B. The impact of EBV on the epigenetics of gastric carcinoma. Future Virol 2020. [DOI: 10.2217/fvl-2019-0148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
EBV is an important human tumor virus and is closely related to the occurrence of a variety of tumors, involving 10% of gastric cancer. In EBV-associated gastric carcinoma (EBVaGC), EBV expresses restrict viral genes including EBV nuclear antigen 1, EBV encoded small RNAs, Bam HI-A rightward transcripts, latent membrane protein 2A and miRNAs. The role of EBV in gastric carcinogenesis has received increasing attention and is considered to be another pathogenic factor in addition to Helicobacter pylori. A typical characteristic of EBVaGC is the extensive methylation of viral and host genome. Combined with other epigenetic mechanisms, EBV infection acts as an epigenetic driver of EBVaGC oncogenesis. In this review we discuss recent findings of EBV effect on host epigenetic alterations in EBVaGC and its role in oncogenic process.
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Affiliation(s)
- Wen Liu
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, Qingdao, PR China
| | - Bing Luo
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, Qingdao, PR China
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35
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Yang Z, Wang J, Zhang Z, Tang F. Epstein-Barr Virus-Encoded Products Promote Circulating Tumor Cell Generation: A Novel Mechanism of Nasopharyngeal Carcinoma Metastasis. Onco Targets Ther 2019; 12:11793-11804. [PMID: 32099385 PMCID: PMC6997419 DOI: 10.2147/ott.s235948] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 12/10/2019] [Indexed: 12/24/2022] Open
Abstract
Epstein–Barr virus (EBV) is a specific tumorigenic factor in the pathogenesis of nasopharyngeal carcinoma (NPC). Viral products encoded by EBV (LMP1, LMP2A, EBNA1, and miRNAs) have been shown to promote NPC metastasis. EBV-encoded oncoproteins and miRNAs have been shown to induce epithelial–mesenchymal transition (EMT) indirectly by inducing EMT transcription factors (EMT-TFs). These EBV-encoded products also promote the expression of EMT-TFs through post-transcriptional regulation. EMT contributes to generation of circulating tumor cells (CTCs) in epithelial cancers. CTCs exhibit stem cell characteristics, including increased invasiveness, enhanced cell intravasation, and improved cell survival in the peripheral system. EBV may contribute NPC metastasis through promoting generation of CTCs. Furthermore, CTC karyotypes are associated with NPC staging, therapeutic sensitivity, and resistance. We summarized studies showing that EBV-encoded virus-proteins and miRNAs promote generation of NPC CTCs, and highlighted the associated mechanism. This synthesis indicated that EBV mediates NPC metastasis through generation of CTCs.
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Affiliation(s)
- Zongbei Yang
- Zhuhai People's Hospital, Zhuhai Hospital of Jinan University, Zhuhai, People's Republic of China.,Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, People's Republic of China
| | - Jing Wang
- Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, People's Republic of China
| | - Zhenlin Zhang
- Zhuhai People's Hospital, Zhuhai Hospital of Jinan University, Zhuhai, People's Republic of China
| | - Faqing Tang
- Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, People's Republic of China
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36
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Yang S, Chen T, Huang L, Xu S, Cao Z, Zhang S, Xu J, Li Y, Yue Y, Lu W, Cheng X, Xie X. High-Risk Human Papillomavirus E7 Maintains Stemness Via APH1B In Cervical Cancer Stem-Cell Like Cells. Cancer Manag Res 2019; 11:9541-9552. [PMID: 31814758 PMCID: PMC6858839 DOI: 10.2147/cmar.s194239] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 09/30/2019] [Indexed: 12/21/2022] Open
Abstract
Purpose To determine whether early proteins from high-risk human papillomavirus (HPV) have the capacity to maintain cellular stemness. Patients and methods First, we isolated cancer stem cell like cells from two cervical cancer cell lines, SiHa and CaSki, using non-adhesive culture with serum-free medium. Second, we knocked down HPV16 E7 in SiHa sphere cells and overexpressed HPV16 E7 in U2OS sphere cells. Third, we used RNA-seq analysis and Western blotting to screen and identify the expression of differentially expressed genes in SiHa cells with HPV16 E7 knockdown. Results We found that both SiHa and CaSki cells grew as cell spheres (oncospheres) and shared the properties of cancer stem cells, including high expression of stem cell marker OCT4 and SOX2, self-renew, and resistance to chemotherapeutic drugs. The stem-like properties were deprived when HPV16 E7 was knocked down in SiHa sphere cells and maintained when HPV16 E7 was over-expressed in U2OS sphere cells. APH1B was up-regulated, among differential expression genes, in SiHa cells with HPV16 E7 knockdown and modulated cellular stemness and SiHa sphere cells with APH1B knockdown regained the stem-like properties deprived by E7 inhibition. Conclusion HPV16 E7 possesses the capacity to maintain cellular stemness and APH1B may participate in this process in cervical cancer sphere cells.
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Affiliation(s)
- Shizhou Yang
- Department of Gynecologic Oncology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China
| | - Tingting Chen
- Department of Gynecologic Oncology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China
| | - Lu Huang
- Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang, People's Republic of China
| | - Shanshan Xu
- Department of Gynecologic Oncology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China
| | - Zhu Cao
- Department of Gynecologic Oncology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China
| | - Songfa Zhang
- Department of Gynecologic Oncology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China
| | - Junfen Xu
- Department of Gynecologic Oncology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China
| | - Yang Li
- Department of Gynecologic Oncology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China
| | - Yongfang Yue
- Department of Gynecologic Oncology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China
| | - Weiguo Lu
- Department of Gynecologic Oncology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang Province, Hangzhou, Zhejiang, People's Republic of China
| | - Xiaodong Cheng
- Department of Gynecologic Oncology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang Province, Hangzhou, Zhejiang, People's Republic of China
| | - Xing Xie
- Department of Gynecologic Oncology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang Province, Hangzhou, Zhejiang, People's Republic of China
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Cai L, Long Y, Chong T, Cai W, Tsang CM, Zhou X, Lin Y, Ding T, Zhou W, Zhao H, Chen Y, Wang J, Lyu X, Cho WC, Li X. EBV-miR-BART7-3p Imposes Stemness in Nasopharyngeal Carcinoma Cells by Suppressing SMAD7. Front Genet 2019; 10:939. [PMID: 31681406 PMCID: PMC6811651 DOI: 10.3389/fgene.2019.00939] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 09/05/2019] [Indexed: 12/28/2022] Open
Abstract
Cancer stem-like cells, possessing “stemness” properties, play crucial roles in progression, metastasis, and drug resistance in various cancers. Viral microRNAs (such as EBV-miR-BART7-3p), as exogenous regulators, have been discovered to regulate malignant progression of nasopharyngeal carcinoma (NPC), suggesting a possible role of viral microRNAs in imposing stemness. In this study, we found that EBV-miR-BART7-3p induce stemness of NPC cells. We firstly reported that EBV-miR-BART7-3p increased the percentage of side population cells, the development of tumor spheres, and the expression level of stemness markers in vitro. This viral microRNA also enhanced stem-like or cancer-initiating properties of NPC cells in vivo. Besides, we identified SMAD7 as a novel target gene of EBV-miR-BART7-3p in addition to PTEN gene we previously reported; this viral microRNA suppressed SMAD7, led to activation of TGF-β signaling, and eventually enhanced the stemness of NPC cells. Silencing of SMAD7 resembled the effects generated by EBV-miR-BART7-3p in NPC cells. After reconstitution of SMAD7, EBV-miR-BART7-3p-expressing cells underwent a phenotypic reversion. EBV-positive NPC cells were used to enable experimental validation. Finally, we further discovered that EBV-miR-BART7-3p increased chemo-resistance of NPC in vitro and in vivo, supporting that EBV-miR-BART7-3 resulted in increased stemness of NPC cells and lead to drug resistance and cancer recurrence. Overall, this study uncovered a novel mechanism underlying viral microRNA-associated stemness of NPC cells. This viral microRNA and its associated cellular genes may be potential therapeutic targets for restraining chemo-resistance and recurrence of NPC.
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Affiliation(s)
- Longmei Cai
- Shenzhen Key Laboratory of Viral Oncology, The Clinical Innovation & Research Center (CIRC), Shenzhen Hospital, Southern Medical University, Shenzhen, China.,Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yufei Long
- Shenzhen Key Laboratory of Viral Oncology, The Clinical Innovation & Research Center (CIRC), Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Tuotuo Chong
- Shenzhen Key Laboratory of Viral Oncology, The Clinical Innovation & Research Center (CIRC), Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Wenzhi Cai
- Shenzhen Key Laboratory of Viral Oncology, The Clinical Innovation & Research Center (CIRC), Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Chi Man Tsang
- Department of Anatomy and Center for Cancer Research, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Xiaohan Zhou
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yanling Lin
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Tengteng Ding
- Shenzhen Key Laboratory of Viral Oncology, The Clinical Innovation & Research Center (CIRC), Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Wenyan Zhou
- Shenzhen Key Laboratory of Viral Oncology, The Clinical Innovation & Research Center (CIRC), Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Hongli Zhao
- Shenzhen Key Laboratory of Viral Oncology, The Clinical Innovation & Research Center (CIRC), Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Yuxiang Chen
- Shenzhen Key Laboratory of Viral Oncology, The Clinical Innovation & Research Center (CIRC), Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Jianguo Wang
- Shenzhen Key Laboratory of Viral Oncology, The Clinical Innovation & Research Center (CIRC), Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Xiaoming Lyu
- Shenzhen Key Laboratory of Viral Oncology, The Clinical Innovation & Research Center (CIRC), Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - William C Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Kowloon, Hong Kong
| | - Xin Li
- Shenzhen Key Laboratory of Viral Oncology, The Clinical Innovation & Research Center (CIRC), Shenzhen Hospital, Southern Medical University, Shenzhen, China
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38
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Tsang CM, Lui VWY, Bruce JP, Pugh TJ, Lo KW. Translational genomics of nasopharyngeal cancer. Semin Cancer Biol 2019; 61:84-100. [PMID: 31521748 DOI: 10.1016/j.semcancer.2019.09.006] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 09/11/2019] [Accepted: 09/11/2019] [Indexed: 12/26/2022]
Abstract
Nasopharyngeal carcinoma (NPC), also named the Cantonese cancer, is a unique cancer with strong etiological association with infection of the Epstein-Barr virus (EBV). With particularly high prevalence in Southeast Asia, the involvement of EBV and genetic aberrations contributive to NPC tumorigenesis have remained unclear for decades. Recently, genomic analysis of NPC has defined it as a genetically homogeneous cancer, driven largely by NF-κB signaling caused by either somatic aberrations of NF-κB negative regulators or by overexpression of the latent membrane protein 1 (LMP1), an EBV viral oncoprotein. This represents a landmark finding of the NPC genome. Exome and RNA sequencing data from new EBV-positive NPC models also highlight the importance of PI3K pathway aberrations in NPC. We also realize for the first time that NPC mutational burden, mutational signatures, MAPK/PI3K aberrations, and MHC Class I gene aberrations, are prognostic for patient outcome. Together, these multiple genomic discoveries begin to shape the focus of NPC therapy development. Given the challenge of NF-κB targeting in human cancers, more innovative drug discovery approaches should be explored to target the unique atypical NF-κB activation feature of NPC. Our next decade of NPC research should focus on further identification of the -omic landscapes of recurrent and metastatic NPC, development of gene-based precision medicines, as well as large-scale drug screening with the newly developed and well-characterized EBV-positive NPC models. Focused preclinical and clinical investigations on these major directions may identify new and effective targeting strategies to further improve survival of NPC patients.
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Affiliation(s)
- Chi Man Tsang
- Department of Anatomical and cellular Pathology and State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Hong Kong Special Administrative Region
| | - Vivian Wai Yan Lui
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region
| | - Jeffrey P Bruce
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, M5G 1L7, Canada
| | - Trevor J Pugh
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON, M5G 1L7, Canada; Ontario Institute for Cancer Research, Toronto, ON, M5G 1L7, Canada
| | - Kwok Wai Lo
- Department of Anatomical and cellular Pathology and State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Hong Kong Special Administrative Region.
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39
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Yilmaz V, Strati K. Regulating cellular plasticity to persist: a way for tumor viruses to triumph. Curr Opin Virol 2019; 39:1-7. [PMID: 31302443 DOI: 10.1016/j.coviro.2019.06.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 06/12/2019] [Accepted: 06/13/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Vural Yilmaz
- University of Cyprus, Department of Biological Sciences, 1 University Avenue, 2109, Nicosia, Cyprus
| | - Katerina Strati
- University of Cyprus, Department of Biological Sciences, 1 University Avenue, 2109, Nicosia, Cyprus.
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40
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Shi Q, Ding Y, Yang Y, Liu S, Wang J, Luo B. Bioinformatic analysis of miRNA–mRNA interaction associated with LMP2A gene in nasopharyngeal carcinoma. Future Virol 2019. [DOI: 10.2217/fvl-2018-0167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Aim: The purpose of the study was to construct miRNA–mRNA network associated with LMP2A in nasopharyngeal carcinoma (NPC). Materials & methods: The dataset GSE53914, GSE12452 and GSE26596 were downloaded from Gene Expression Omnibus and differentially expressed genes (DEGs) identified by GEO2R. Gene ontology and Kyoto Encyclopedia of Genes and Genomes enrichment analyses were performed by ClusterProfiler R package. Protein–protein interaction network and mRNA–miRNA network associated with LMP2A were constructed. Hub genes were identified by Cytoscape. Results: The 135 DEGs associated with LMP2A were identified in NPC. Gene ontology function analysis showed DEGs were significantly enriched in cell–cell adhesion and NF-κB pathway. The hub genes were related to cell cycle. miRNA–mRNA network associated with LMP2A was constructed. Conclusion: The network may provide a way to explore the function of LMP2A in NPC by miRNA.
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Affiliation(s)
- Qianzhu Shi
- Department of Pathogeny Biology, Qingdao University Medical College, 38 Dengzhou Road, Shandong, 266021, China
| | - Yu Ding
- Department of Clinical Laboratory, the Affiliated Hospital of Qingdao University, 59 Haier Road, Shandong, 266003, China
| | - Yang Yang
- Department of Pathogeny Biology, Qingdao University Medical College, 38 Dengzhou Road, Shandong, 266021, China
| | - Shuzhen Liu
- Department of Blood Transfusion, the Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Shandong, 266003, China
| | - Jiayi Wang
- Department of Pathogeny Biology, Qingdao University Medical College, 38 Dengzhou Road, Shandong, 266021, China
| | - Bing Luo
- Department of Pathogeny Biology, Qingdao University Medical College, 38 Dengzhou Road, Shandong, 266021, China
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Sharifpour C, Makvandi M, Samarbafzadeh A, Talaei-Zadeh A, Ranjbari N, Nisi N, Azaran A, Jalilian S, Varnaseri M, Pirmoradi R, Ahmadi Angali K. Frequency of Epstein–Barr Virus DNA in Formalin-Fixed Paraffin-Embedded Tissue of Patients with Ductal Breast
Carcinoma. Asian Pac J Cancer Prev 2019; 20:687-692. [PMID: 30909665 PMCID: PMC6825768 DOI: 10.31557/apjcp.2019.20.3.687] [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] [Indexed: 12/29/2022] Open
Abstract
Background: Ductal carcinoma is one of the most common breast cancer (BrC) among the women in the world. Several factors may involve in establishment of breast cancer. The role of viral infections have been investigated in BrC, Among them the association of Epstein Barr virus have been reported in the patients with breast cancer type ductal carcinoma. Thus this study was conducted to evaluate the rate of Epstein Barr virus in women with breast cancer type ductal carcinoma. Material and methods: A total of 72 formalin-fixed paraffin-embedded tissue blocks samples were collected from 37 (51.38%) women with breast cancer type ductal carcinoma and 35 (48.61%) samples of breast with fibro adenoma as control group. The DNA was extracted for all the samples. The detection of EBNA 3C EBV DNA was done by nested PCR. The results of positive were sequenced to confirm PCR product and determine EBV genotypes. Results: About 10/37 (27.02%) samples of ductal breast carcinoma were showed positive for EBNA 3C EBV DNA while 4/35 (11.42%) of fibro adenoma were positive for EBNA 3C EBV DNA (p= 0.095). Randomly 7 PCR products were sequenced and the results of sequencing EBNA 3C shows, the detected EBVDNA were type 1 EBV type. Conclusion: This study shows high prevalence of 27.02% EBV DNA type 1 was found in formalin-fixed paraffin-embedded tissue of Patients with ductal breast carcinoma. The outcomes of this study suggesting that EBV might have a significant role in breast cancer in Ahvaz city, south west region of Iran. However the expression of EBV oncoproteins, EBNA1, LMP1, and LMP2 require to be determined with ductal carcinoma cells. About 72.97% breast samples showed negative for EBVDNA. The role other viruses including Human cytomegalovirus, papilloma viruses and Merkel viruses are required to be investigated in further studies.
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Affiliation(s)
- Chia Sharifpour
- Infectious and Tropical Disease Research Center Health Research Institute; Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Manoochehr Makvandi
- Infectious and Tropical Disease Research Center Health Research Institute; Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Alireza Samarbafzadeh
- Infectious and Tropical Disease Research Center Health Research Institute; Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Abdolhassan Talaei-Zadeh
- Department of Surgery, Imam Khoeini hospital, , Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Nastarn Ranjbari
- Department of Pathology, Imam Khomeini Hospital, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Nilofar Nisi
- Infectious and Tropical Disease Research Center Health Research Institute; Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Azarakh Azaran
- Infectious and Tropical Disease Research Center Health Research Institute; Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Shahram Jalilian
- Infectious and Tropical Disease Research Center Health Research Institute; Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mehran Varnaseri
- Infectious Diseases Department, Razi Hospital, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Roya Pirmoradi
- Infectious and Tropical Disease Research Center Health Research Institute; Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Kambiz Ahmadi Angali
- Biostatistic Department, School of Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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42
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Charostad J, Astani A, Goudarzi H, Faghihloo E. DNA methyltransferases in virus-associated cancers. Rev Med Virol 2018; 29:e2022. [PMID: 30511446 DOI: 10.1002/rmv.2022] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 10/24/2018] [Accepted: 10/24/2018] [Indexed: 12/19/2022]
Abstract
Human tumor viruses are either casually linked or contribute in the development of human cancers. Viruses can stimulate oncogenesis through affecting diverse biological pathways in human cells. Growing data have demonstrated frequent involvement of one of the most characteristic parts of cellular epigenetic machinery, DNA methylation, in the oncogenesis. DNA methylation of cellular genes is catalyzed by DNA methyltransferases (DNMTs) as a key effector enzyme in this process. Dysregulation of DNMTs can cause aberrant gene methylation in promoter of cancer-related genes including tumor suppressor genes, resulting in gene silencing. In this regard, the role of tumor viruses is remarkable. Here, in this review, we used published information to elucidate whether tumor viruses are able to manipulate DNMT regulation, and if so, what are its consequences in the process of oncogenesis. This essay also aims to shed light on which cellular pathways have been engaged by viruses to induce DNMTs.
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Affiliation(s)
- Javad Charostad
- Department of Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Akram Astani
- Zoonotic Diseases Research Center, School of Public Health, Sahid Sadoughi University of Medical Sciences, Yazd, Iran.,Department of Microbiology, Shahid Sadoghi University of Medical Science, Yazd, Iran
| | - Hossein Goudarzi
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ebrahim Faghihloo
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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43
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Xiang T, Lin YX, Ma W, Zhang HJ, Chen KM, He GP, Zhang X, Xu M, Feng QS, Chen MY, Zeng MS, Zeng YX, Feng L. Vasculogenic mimicry formation in EBV-associated epithelial malignancies. Nat Commun 2018; 9:5009. [PMID: 30479336 PMCID: PMC6258759 DOI: 10.1038/s41467-018-07308-5] [Citation(s) in RCA: 122] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 10/22/2018] [Indexed: 12/13/2022] Open
Abstract
Epstein-Barr virus (EBV)-associated epithelial cancers, including nasopharyngeal carcinoma (NPC) and approximately 10% of gastric cancers, termed EBVaGC, represent 80% of all EBV-related malignancies. However, the exact role of EBV in epithelial cancers remains elusive. Here, we report that EBV functions in vasculogenic mimicry (VM). Epithelial cancer cells infected with EBV develop tumor vascular networks that correlate with tumor growth, which is different from endothelial-derived angiogenic vessels and is VEGF-independent. Mechanistically, activation of the PI3K/AKT/mTOR/HIF-1α signaling cascade, which is partly mediated by LMP2A, is responsible for EBV-induced VM formation. Both xenografts and clinical samples of NPC and EBVaGC exhibit VM histologically, which are correlated with AKT and HIF-1α activation. Furthermore, although anti-VEGF monotherapy shows limited effects, potent synergistic antitumor activities are achieved by combination therapy with VEGF and HIF-1α-targeted agents. Our findings suggest that EBV creates plasticity in epithelial cells to express endothelial phenotype and provides a novel EBV-targeted antitumor strategy. EBV latent infection contributes to the pathogenesis of epithelial malignancies by inducing angiogenesis. Here, the authors show EBV promotes vasculogenic mimicry in EBV associated epithelial cancers via AKT/HIF-1α pathway and combination therapy of HIF-1α and VEGF reduces tumour growth.
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Affiliation(s)
- Tong Xiang
- Department of Experimental Research, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 510060, Guangzhou, China.,Department of Oncology, No. 421 Hospital of PLA, 510318, Guangzhou, China
| | - Yu-Xin Lin
- Department of Experimental Research, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 510060, Guangzhou, China
| | - Wenlong Ma
- State Key Laboratory of Molecular Oncology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 100021, Beijing, China
| | - Hao-Jiong Zhang
- Department of Experimental Research, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 510060, Guangzhou, China
| | - Ke-Ming Chen
- Department of Pathology, Sun Yat-sen University Cancer Center, 510060, Guangzhou, China
| | - Gui-Ping He
- Department of Experimental Research, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 510060, Guangzhou, China
| | - Xiao Zhang
- Department of Experimental Research, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 510060, Guangzhou, China
| | - Miao Xu
- Department of Experimental Research, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 510060, Guangzhou, China
| | - Qi-Sheng Feng
- Department of Experimental Research, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 510060, Guangzhou, China
| | - Ming-Yuan Chen
- Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, 510060, Guangzhou, China
| | - Mu-Sheng Zeng
- Department of Experimental Research, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 510060, Guangzhou, China
| | - Yi-Xin Zeng
- Department of Experimental Research, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 510060, Guangzhou, China.
| | - Lin Feng
- Department of Experimental Research, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 510060, Guangzhou, China.
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44
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Zhao CX, Zhu W, Ba ZQ, Xu HJ, Liu WD, Zhu B, Wang L, Song YJ, Yuan S, Ren CP. The regulatory network of nasopharyngeal carcinoma metastasis with a focus on EBV, lncRNAs and miRNAs. Am J Cancer Res 2018; 8:2185-2209. [PMID: 30555738 PMCID: PMC6291648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Accepted: 10/16/2018] [Indexed: 06/09/2023] Open
Abstract
Metastasis of nasopharyngeal carcinoma (NPC) remains a main cause of death for NPC patients even though great advances have been made in therapeutic approaches. An in-depth study into the molecular mechanisms of NPC metastasis will help us combat NPC. Epstein-Barr virus (EBV) infection is an evident feature of nonkeratinizing NPC and is strongly associated with tumor metastasis. Recently, long noncoding RNAs (lncRNAs) and microRNAs (miRNAs) have become a hot topic of research due to their epigenetic regulatory roles in NPC metastasis. The EBV products, lncRNAs and miRNAs can target each other and share several common signaling pathways, which form an interconnected, complex molecular regulatory network. In this review, we discuss the features of this regulatory network and summarize the molecular mechanisms of NPC metastasis, focusing on EBV, lncRNAs and miRNAs with updated knowledge.
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Affiliation(s)
- Chen-Xuan Zhao
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health and The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Xiangya Hospital, Central South UniversityChangsha 410008, Hunan, P. R. China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South UniversityChangsha 410078, Hunan, P. R. China
| | - Wei Zhu
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health and The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Xiangya Hospital, Central South UniversityChangsha 410008, Hunan, P. R. China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South UniversityChangsha 410078, Hunan, P. R. China
| | - Zheng-Qing Ba
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health and The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Xiangya Hospital, Central South UniversityChangsha 410008, Hunan, P. R. China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South UniversityChangsha 410078, Hunan, P. R. China
| | - Hong-Juan Xu
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health and The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Xiangya Hospital, Central South UniversityChangsha 410008, Hunan, P. R. China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South UniversityChangsha 410078, Hunan, P. R. China
| | - Wei-Dong Liu
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health and The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Xiangya Hospital, Central South UniversityChangsha 410008, Hunan, P. R. China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South UniversityChangsha 410078, Hunan, P. R. China
| | - Bin Zhu
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health and The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Xiangya Hospital, Central South UniversityChangsha 410008, Hunan, P. R. China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South UniversityChangsha 410078, Hunan, P. R. China
| | - Lei Wang
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health and The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Xiangya Hospital, Central South UniversityChangsha 410008, Hunan, P. R. China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South UniversityChangsha 410078, Hunan, P. R. China
| | - Yu-Jia Song
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health and The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Xiangya Hospital, Central South UniversityChangsha 410008, Hunan, P. R. China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South UniversityChangsha 410078, Hunan, P. R. China
| | - Shuai Yuan
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health and The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Xiangya Hospital, Central South UniversityChangsha 410008, Hunan, P. R. China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South UniversityChangsha 410078, Hunan, P. R. China
| | - Cai-Ping Ren
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health and The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Xiangya Hospital, Central South UniversityChangsha 410008, Hunan, P. R. China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South UniversityChangsha 410078, Hunan, P. R. China
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45
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Cellular-based immunotherapy in Epstein-Barr virus induced nasopharyngeal cancer. Oral Oncol 2018; 84:61-70. [DOI: 10.1016/j.oraloncology.2018.07.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Revised: 07/06/2018] [Accepted: 07/18/2018] [Indexed: 12/27/2022]
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46
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The Dynamic Roles of TGF-β Signalling in EBV-Associated Cancers. Cancers (Basel) 2018; 10:cancers10080247. [PMID: 30060514 PMCID: PMC6115974 DOI: 10.3390/cancers10080247] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 07/23/2018] [Accepted: 07/25/2018] [Indexed: 02/07/2023] Open
Abstract
The transforming growth factor-β (TGF-β) signalling pathway plays a critical role in carcinogenesis. It has a biphasic action by initially suppressing tumorigenesis but promoting tumour progression in the later stages of disease. Consequently, the functional outcome of TGF-β signalling is strongly context-dependent and is influenced by various factors including cell, tissue and cancer type. Disruption of this pathway can be caused by various means, including genetic and environmental factors. A number of human viruses have been shown to modulate TGF-β signalling during tumorigenesis. In this review, we describe how this pathway is perturbed in Epstein-Barr virus (EBV)-associated cancers and how EBV interferes with TGF-β signal transduction. The role of TGF-β in regulating the EBV life cycle in tumour cells is also discussed.
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47
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Fernandes Q, Merhi M, Raza A, Inchakalody VP, Abdelouahab N, Zar Gul AR, Uddin S, Dermime S. Role of Epstein-Barr Virus in the Pathogenesis of Head and Neck Cancers and Its Potential as an Immunotherapeutic Target. Front Oncol 2018; 8:257. [PMID: 30035101 PMCID: PMC6043647 DOI: 10.3389/fonc.2018.00257] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 06/22/2018] [Indexed: 12/18/2022] Open
Abstract
The role of Epstein-Barr virus (EBV) infection in the development and progression of tumor cells has been described in various cancers. Etiologically, EBV is a causative agent in certain variants of head and neck cancers such as nasopharyngeal cancer. Proteins expressed by the EVB genome are involved in invoking and perpetuating the oncogenic properties of the virus. However, these protein products were also identified as important targets for therapeutic research in the past decades, particularly within the context of immunotherapy. The adoptive transfer of EBV-targeted T-cells as well as the development of EBV vaccines has opened newer lines of research to conceptualize novel therapeutic approaches toward the disease. This review addresses the most important aspects of the association of EBV with head and neck cancers from an immunological perspective. It also aims to highlight the current and future prospects of enhanced EBV-targeted immunotherapies.
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Affiliation(s)
- Queenie Fernandes
- Translational Cancer Research Facility, Hamad Medical Corporation, Doha, Qatar
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, Qatar
| | - Maysaloun Merhi
- Translational Cancer Research Facility, Hamad Medical Corporation, Doha, Qatar
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, Qatar
| | - Afsheen Raza
- Translational Cancer Research Facility, Hamad Medical Corporation, Doha, Qatar
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, Qatar
| | - Varghese Philipose Inchakalody
- Translational Cancer Research Facility, Hamad Medical Corporation, Doha, Qatar
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, Qatar
| | - Nassima Abdelouahab
- Translational Cancer Research Facility, Hamad Medical Corporation, Doha, Qatar
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, Qatar
| | - Abdul Rehman Zar Gul
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, Qatar
| | - Shahab Uddin
- Interim Translational Research Institute, Hamad Medical Corporation, Doha, Qatar
| | - Said Dermime
- Translational Cancer Research Facility, Hamad Medical Corporation, Doha, Qatar
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, Qatar
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48
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Cyprian FS, Al-Farsi HF, Vranic S, Akhtar S, Al Moustafa AE. Epstein-Barr Virus and Human Papillomaviruses Interactions and Their Roles in the Initiation of Epithelial-Mesenchymal Transition and Cancer Progression. Front Oncol 2018; 8:111. [PMID: 29765906 PMCID: PMC5938391 DOI: 10.3389/fonc.2018.00111] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 03/29/2018] [Indexed: 12/27/2022] Open
Abstract
Oncoviruses are implicated in around 20% of all human cancers including both solid and non-solid malignancies. Epstein–Barr virus (EBV) and human papillomaviruses (HPVs) are the most common oncoviruses worldwide. Currently, it is well established that onco-proteins of EBV (LMP1, LMP2A, and EBNA1) and high-risk HPVs (E5 and E6/E7) play an important role in the initiation and/or progression of several human carcinomas, including cervical, oral, and breast. More significantly, it has been recently pointed out that viral onco-proteins of EBV and high-risk HPVs can be co-present and consequently cooperate to initiate and/or amplify epithelial–mesenchymal transition (EMT), which is the hallmark of cancer progression and metastasis. This could occur by β-catenin, JAK/STAT/SRC, PI3k/Akt/mTOR, and/or RAS/MEK/ERK signaling pathways, which onco-proteins of EBV and HPVs share. This review presents the most recent advances related to EBV and high-risk HPVs onco-proteins interactions and their roles in the progression of human carcinomas especially oral and breast via the initiation of EMT.
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Affiliation(s)
| | | | - Semir Vranic
- College of Medicine, Qatar University, Doha, Qatar
| | | | - Ala-Eddin Al Moustafa
- College of Medicine, Qatar University, Doha, Qatar.,Biomedical Research Centre, Qatar University, Doha, Qatar.,Oncology Department, McGill University, Montreal, Quebec, Canada
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49
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The Microenvironment in Epstein-Barr Virus-Associated Malignancies. Pathogens 2018; 7:pathogens7020040. [PMID: 29652813 PMCID: PMC6027429 DOI: 10.3390/pathogens7020040] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 04/08/2018] [Accepted: 04/11/2018] [Indexed: 12/27/2022] Open
Abstract
The Epstein–Barr virus (EBV) can cause a wide variety of cancers upon infection of different cell types and induces a highly variable composition of the tumor microenvironment (TME). This TME consists of both innate and adaptive immune cells and is not merely an aspecific reaction to the tumor cells. In fact, latent EBV-infected tumor cells utilize several specific mechanisms to form and shape the TME to their own benefit. These mechanisms have been studied largely in the context of EBV+ Hodgkin lymphoma, undifferentiated nasopharyngeal carcinoma, and EBV+ gastric cancer. This review describes the composition, immune escape mechanisms, and tumor cell promoting properties of the TME in these three malignancies. Mechanisms of susceptibility which regularly involve genes related to immune system function are also discussed, as only a small proportion of EBV-infected individuals develops an EBV-associated malignancy.
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50
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Tsao SW, Tsang CM, Lo KW. Epstein-Barr virus infection and nasopharyngeal carcinoma. Philos Trans R Soc Lond B Biol Sci 2018; 372:rstb.2016.0270. [PMID: 28893937 DOI: 10.1098/rstb.2016.0270] [Citation(s) in RCA: 350] [Impact Index Per Article: 58.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/28/2017] [Indexed: 12/24/2022] Open
Abstract
Epstein-Barr virus (EBV) is associated with multiple types of human cancer, including lymphoid and epithelial cancers. The closest association with EBV infection is seen in undifferentiated nasopharyngeal carcinoma (NPC), which is endemic in the southern Chinese population. A strong association between NPC risk and the HLA locus at chromosome 6p has been identified, indicating a link between the presentation of EBV antigens to host immune cells and NPC risk. EBV infection in NPC is clonal in origin, strongly suggesting that NPC develops from the clonal expansion of a single EBV-infected cell. In epithelial cells, the default program of EBV infection is lytic replication. However, latent infection is the predominant mode of EBV infection in NPC. The establishment of latent EBV infection in pre-invasive nasopharyngeal epithelium is believed to be an early stage of NPC pathogenesis. Recent genomic study of NPC has identified multiple somatic mutations in the upstream negative regulators of NF-κB signalling. Dysregulated NF-κB signalling may contribute to the establishment of latent EBV infection in NPC. Stable EBV infection and the expression of latent EBV genes are postulated to drive the transformation of pre-invasive nasopharyngeal epithelial cells to cancer cells through multiple pathways.This article is part of the themed issue 'Human oncogenic viruses'.
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Affiliation(s)
- Sai Wah Tsao
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR
| | - Chi Man Tsang
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR
| | - Kwok Wai Lo
- Department of Anatomical and Cellular Pathology and State Key Laboratory in Oncology in South China, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR
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