151
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Li J, Zhou L. Overexpression of lncRNA DANCR positively affects progression of glioma via activating Wnt/β-catenin signaling. Biomed Pharmacother 2018; 102:602-607. [DOI: 10.1016/j.biopha.2018.03.116] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 02/28/2018] [Accepted: 03/19/2018] [Indexed: 11/28/2022] Open
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152
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Zhang Z, Sun L, Zhang Y, Lu G, Li Y, Wei Z. Long non‐coding RNA FEZF1‐AS1 promotes breast cancer stemness and tumorigenesis via targeting miR‐30a/Nanog axis. J Cell Physiol 2018; 233:8630-8638. [DOI: 10.1002/jcp.26611] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 03/22/2018] [Indexed: 12/24/2022]
Affiliation(s)
- Zhi Zhang
- Department of AnesthesiologyHuaihe HospitalHenan UniversityKaifengChina
| | - Liwei Sun
- Department of AnesthesiologyHuaihe HospitalHenan UniversityKaifengChina
| | - Yixuan Zhang
- Department of AnesthesiologyHuaihe HospitalHenan UniversityKaifengChina
| | - Guanming Lu
- Basic Medical SchoolHenan UniversityKaifengChina
| | - Yongqiang Li
- Basic Medical SchoolHenan UniversityKaifengChina
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153
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Long noncoding RNA DANCR, working as a competitive endogenous RNA, promotes ROCK1-mediated proliferation and metastasis via decoying of miR-335-5p and miR-1972 in osteosarcoma. Mol Cancer 2018; 17:89. [PMID: 29753317 PMCID: PMC5948795 DOI: 10.1186/s12943-018-0837-6] [Citation(s) in RCA: 157] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Accepted: 04/25/2018] [Indexed: 12/15/2022] Open
Abstract
Background Accumulating evidences indicate that non-coding RNAs (ncRNAs) including long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) acting as crucial regulators in osteosarcoma (OS). Previously, we reported that Rho associated coiled-coil containing protein kinase 1 (ROCK1), a metastatic-related gene was negatively regulated by microRNA-335-5p (miR-335-5p) and work as an oncogene in osteosarcoma. Whether any long non-coding RNAs participate in the upstream of miR-335-5p/ROCK1 axial remains unclear. Methods Expression of differentiation antagonizing non-protein coding RNA (DANCR) and miR-335-5p/miR-1972 in osteosarcoma tissues were determined by a qRT-PCR assay and an ISH assay. Osteosarcoma cells’ proliferation and migration/invasion ability changes were measured by a CCK-8/EDU assay and a transwell assay respectively. ROCK1 expression changes were checked by a qRT-PCR assay and a western blot assay. Targeted binding effects between miR-335-5p/miR-1972 and ROCK1 or DANCR were verified by a dual luciferase reporter assay and a RIP assay. In vivo experiments including a nude formation assay as well as a CT scan were applied to detect tumor growth and metastasis changes in animal level. Results In the present study, an elevated DNACR was found in osteosarcoma tissue specimens and in osteosarcoma cell lines, and the elevated DNACR was closely correlated with poor prognosis in clinical patients. Functional experiments illustrated that a depression of DANCR suppressed ROCK1-mediated proliferation and metastasis in osteosarcoma cells. The results of western blot assays and qRT-PCR assays revealed that DANCR regulated ROCK1 via crosstalk with miR-335-5p and miR-1972. Further cellular behavioral experiments demonstrated that DNACR promoted ROCK1-meidated proliferation and metastasis through decoying both miR-335-5p and miR-1972. Finally, the outcomes of in vivo animal models showed that DANCR promoted tumor growth and lung metastasis of osteosarcoma. Conclusions LncRNA DANCR work as an oncogene and promoted ROCK1-mediated proliferation and metastasis through acting as a competing endogenous RNA (ceRNA) in osteosarcoma. Electronic supplementary material The online version of this article (10.1186/s12943-018-0837-6) contains supplementary material, which is available to authorized users.
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154
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Wang JX, Yang Y, Li K. Long noncoding RNA DANCR aggravates retinoblastoma through miR-34c and miR-613 by targeting MMP-9. J Cell Physiol 2018; 233:6986-6995. [PMID: 29744877 DOI: 10.1002/jcp.26621] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Accepted: 03/28/2018] [Indexed: 12/31/2022]
Abstract
Long non-coding RNAs (lncRNAs) have been identified to play vital roles in cancers, including human retinoblastoma (RB). However, the deepgoing mechanism is still ambiguous. In present study, we investigate the biological role of lncRNA DANCR (differentiation antagonizing non-protein coding RNA) in carcinogenesis of RB. Results revealed that DANCR was up-regulated in RB tissue and cell lines. Moreover, the ectopic overexpression of DANCR indicated poor overall survivals and disease free survival (DFS) for RB patients. In vitro and in vivo experiments, DANCR knockdown suppress the proliferation, migration, invasion, and epithelial-mesenchymal transition (EMT) correlated protein (N-cadherin, Vimentin) of RB cells. Bioinformatics analysis predicted that miR-34c and miR-613 targeted with 3'-UTR of DANCR, besides, miR-34c and miR-613 also targeted with 3'-UTR of MMP-9, which was validated by luciferase reporter assay. Functional experiments demonstrated that miR-34c and miR-613 could reverse the oncogenic function of DANCR in RB tumorigenesis. In conclusion, our results reveal that DANCR function as competing endogenous RNA (ceRNA) for miR-34c and miR-613 to modulate progression and metastasis in RB oncogenesis via targeting MMP-9, presenting the in-depth regulation of DANCR in RB and providing a novel insight for ceRNA mechanism for RB.
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Affiliation(s)
- Jing-Xian Wang
- Department of General Surgery Five, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Yuan Yang
- Examination Room of Eye Department, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Kun Li
- Pediatric Department of Ophthalmology, Cangzhou Central Hospital, Cangzhou, Hebei, China
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155
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Wang Y, Lu Z, Wang N, Feng J, Zhang J, Luan L, Zhao W, Zeng X. Long noncoding RNA DANCR promotes colorectal cancer proliferation and metastasis via miR-577 sponging. Exp Mol Med 2018; 50:1-17. [PMID: 29717105 PMCID: PMC5938019 DOI: 10.1038/s12276-018-0082-5] [Citation(s) in RCA: 80] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 01/23/2018] [Accepted: 02/14/2018] [Indexed: 12/12/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) play key roles in various malignant tumors, including colorectal cancer (CRC). Long non-coding RNA differentiation antagonizing non-protein coding RNA (DANCR) is overexpressed in CRC patients, but whether it affects CRC proliferation and metastasis via regulation of heat shock protein 27 (HSP27) remains unclear. In the present study, we found that DANCR was highly expressed and correlated with proliferation and metastasis in CRC. In addition, we demonstrated that DANCR and HSP27 were both targets of microRNA-577 (miR-577) and shared the same binding site. Furthermore, we revealed that DANCR promoted HSP27 expression and its mediation of proliferation/metastasis via miR-577 sponging. Finally, using an in vivo study, we confirmed that overexpression of DANCR promoted CRC tumor growth and liver metastasis. The present study demonstrated the function of DANCR in CRC and might provide a new target in the treatment of CRC.
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Affiliation(s)
- Yong Wang
- The 4th Department of Orthopedic Surgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, 110024, China
| | - Zhi Lu
- Department of Nuclear Medicine, The First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China
| | - Ningnin Wang
- The 2nd Department of Cardiology, Central Hospital Affiliated to Shenyang Medical College, Shenyang, 110024, China
| | - Jianzhou Feng
- The 4th Department of Orthopedic Surgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, 110024, China
| | - Junjie Zhang
- Department of Pathology, Central Hospital Affiliated to Shenyang Medical College, Shenyang, 110024, China
| | - Lan Luan
- Department of Pathology, Central Hospital Affiliated to Shenyang Medical College, Shenyang, 110024, China
| | - Wei Zhao
- The 4th Department of Orthopedic Surgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, 110024, China
| | - Xiandong Zeng
- Department of Surgical Oncology, Central Hospital Affiliated to Shenyang Medical College, Shenyang, 110024, China.
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Liang Y, Song X, Li Y, Sang Y, Zhang N, Zhang H, Liu Y, Duan Y, Chen B, Guo R, Zhao W, Wang L, Yang Q. A novel long non-coding RNA-PRLB acts as a tumor promoter through regulating miR-4766-5p/SIRT1 axis in breast cancer. Cell Death Dis 2018; 9:563. [PMID: 29752439 PMCID: PMC5948209 DOI: 10.1038/s41419-018-0582-1] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Revised: 02/19/2018] [Accepted: 04/05/2018] [Indexed: 12/15/2022]
Abstract
Accumulating evidence indicates that long non-coding RNAs (lncRNAs) play a critical role in cancerous processes as either oncogenes or tumor suppressor genes. Here, we demonstrated that lncRNA-PRLB (progression-associated lncRNA in breast cancer) was upregulated in human breast cancer tissues and breast cancer cell lines. Further evaluation verified that lncRNA-PRLB was positively correlated with the extent of metastasis, and its expression was correlated with shorter survival time of breast cancer patients. We identified microRNA miR-4766-5p as an inhibitory target of lncRNA-PRLB. Both lncRNA-PRLB overexpression and miR-4766-5p knockdown could remarkably enhance cell growth, metastasis, and chemoresistance. We also determined that sirtuin 1 (SIRT1) was an inhibitory target of miR-4766-5p, and that SIRT1 was inhibited by both lncRNA-PRLB knockdown and miR-4766-5p overexpression. Significantly, we found that the promotion of cell proliferation and metastasis, the acquisition of chemoresistance, and the increased expression of SIRT1 induced by lncRNA-PRLB overexpression could be partly abrogated by ectopic expression of miR-4766-5p. Taken together, our findings indicated that lncRNA could regulate the progression and chemoresistance of breast cancer via modulating the expression levels of miR-4766-5p and SIRT1, which may have a pivotal role in breast cancer treatment and prognosis prediction.
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Affiliation(s)
- Yiran Liang
- Department of Breast Surgery, Qilu Hospital, Shandong University, 250012, Jinan, Shandong, China
| | - Xiaojin Song
- Department of Breast Surgery, Qilu Hospital, Shandong University, 250012, Jinan, Shandong, China
| | - Yaming Li
- Department of Breast Surgery, Qilu Hospital, Shandong University, 250012, Jinan, Shandong, China
| | - Yuting Sang
- Department of Breast Surgery, Qilu Hospital, Shandong University, 250012, Jinan, Shandong, China
| | - Ning Zhang
- Department of Breast Surgery, Qilu Hospital, Shandong University, 250012, Jinan, Shandong, China
| | - Hanwen Zhang
- Department of Breast Surgery, Qilu Hospital, Shandong University, 250012, Jinan, Shandong, China
| | - Ying Liu
- Department of Breast Surgery, Qilu Hospital, Shandong University, 250012, Jinan, Shandong, China
| | - Yi Duan
- Department of Breast Surgery, Qilu Hospital, Shandong University, 250012, Jinan, Shandong, China
| | - Bing Chen
- Pathology Tissue Bank, Qilu Hospital, Shandong University, 250012, Jinan, Shandong, China
| | - Renbo Guo
- Department of Urology, Shandong Cancer Hospital affiliated to Shandong University, 250117, Jinan, Shandong, China
| | - Wenjing Zhao
- Pathology Tissue Bank, Qilu Hospital, Shandong University, 250012, Jinan, Shandong, China
| | - Lijuan Wang
- Pathology Tissue Bank, Qilu Hospital, Shandong University, 250012, Jinan, Shandong, China
| | - Qifeng Yang
- Department of Breast Surgery, Qilu Hospital, Shandong University, 250012, Jinan, Shandong, China.
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Thin KZ, Liu X, Feng X, Raveendran S, Tu JC. LncRNA-DANCR: A valuable cancer related long non-coding RNA for human cancers. Pathol Res Pract 2018; 214:801-805. [PMID: 29728310 DOI: 10.1016/j.prp.2018.04.003] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 04/09/2018] [Accepted: 04/12/2018] [Indexed: 12/22/2022]
Abstract
OBJECTIVES Long noncoding RNAs (lncRNA) are a type of noncoding RNA that comprise of longer than 200 nucleotides sequences. They can regulate chromosome structure, gene expression and play an essential role in the pathophysiology of human diseases, especially in tumorigenesis and progression. Nowadays, they are being targeted as potential biomarkers for various cancer types. And many research studies have proven that lncRNAs might bring a new era to cancer diagnosis and support treatment management. The purpose of this review was to inspect the molecular mechanism and clinical significance of long non-coding RNA- differentiation antagonizing nonprotein coding RNA(DANCR) in various types of human cancers. MATERIALS AND METHODS In this review, we summarize and figure out recent research studies concerning the expression and biological mechanisms of lncRNA-DANCR in tumour development. The related studies were obtained through a systematic search of PubMed, Embase and Cochrane Library. RESULTS Long non-coding RNAs-DANCR is a valuable cancer-related lncRNA that its dysregulated expression was found in a variety of malignancies, including hepatocellular carcinoma, breast cancer, glioma, colorectal cancer, gastric cancer, and lung cancer. The aberrant expressions of DANCR have been shown to contribute to proliferation, migration and invasion of cancer cells. CONCLUSIONS Long non-coding RNAs-DANCR likely serves as a useful disease biomarker or therapeutic cancer target.
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Affiliation(s)
- Khaing Zar Thin
- Department & Program of Clinical Laboratory Medicine, Center for Gene Diagnosis, Zhongnan Hospital of Wuhan University, Wuhan 430071, China.
| | - Xuefang Liu
- Department & Program of Clinical Laboratory Medicine, Center for Gene Diagnosis, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Xiaobo Feng
- Department of Pain Management, Zhongnan Hospital of Wuhan University, Wuhan 430071, China.
| | - Sudheesh Raveendran
- Department of Radiology & Nuclear Medicine, Zhongnan Hospital of Wuhan University, Wuchang, Hubei Province, Wuhan, 430071, China
| | - Jian Cheng Tu
- Department & Program of Clinical Laboratory Medicine, Center for Gene Diagnosis, Zhongnan Hospital of Wuhan University, Wuhan 430071, China.
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158
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Wang R, Dong H, Zeng J, Pan J, Jin X. LncRNA DGCR5 contributes to CSC‐like properties via modulating miR‐330‐5p/CD44 in NSCLC. J Cell Physiol 2018; 233:7447-7456. [DOI: 10.1002/jcp.26590] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Accepted: 03/09/2018] [Indexed: 12/19/2022]
Affiliation(s)
- Ren Wang
- Department of Respiratory MedicineTongren HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Hui‐Xing Dong
- Department of Respiratory MedicineTongren HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Jian Zeng
- Department of Respiratory MedicineTongren HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Jing Pan
- Department of Respiratory MedicineTongren HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Xiao‐Yan Jin
- Department of Respiratory MedicineTongren HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
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159
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Zou Y, Chen Y, Yao S, Deng G, Liu D, Yuan X, Liu S, Rao J, Xiong H, Yuan X, Yu S, Zhu F, Wang Y, Xiong H. MiR-422a weakened breast cancer stem cells properties by targeting PLP2. Cancer Biol Ther 2018; 19:436-444. [PMID: 29509055 DOI: 10.1080/15384047.2018.1433497] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
OBJECTIVE This study investigated miR-422a and PLP2 expressions in breast cancer cells and breast cancer stem cells (BCSCs). Besides, their influences on polymorphism changes were observed. METHODS Flow cytometry and fluorescence-activated cell sorting was performed and CD24-/CD44+ cells were sorted from breast cancer cells and recognized as BCSCs. Microarray was applied to search for the differentially expressed miRNAs and mRNAs between MCF7 and BCSCs. The aberrant expression of miR-422a and PLP2 was further confirmed by RT-qPCR and the direct targeted relationship was verified by dual-luciferase reporter assay. After in vitro transfection, the expression of miR-422a and PLP2 were manipulated and biological functions of BMSCs were compared with CCK-8, colony formation and sphere formation assay. The tumorigenesis ability of transfected BMSCs was also investigated in NOD/SCID tumor mice models. RESULTS BMSCs were successfully established from MCF7 cells and miR-422a expression was downregulated while PLP2 level decreased in BMSCs. MiR-422a directly targets the 3'UTR of PLP2 and suppressed its expression. Besides, the up-regulation of miR-422a contributed to weakened ability of proliferation and microsphere formation of BMSCs, while PLP2 overexpression facilitated those biological abilities. Tumorigenesis of BMSCs in mice models was impaired by either overexpression of miR-442a or silencing of PLP2. CONCLUSION Up-regulation of miR-422a attenuated microsphere formation, proliferation and tumor formation of breast cancer stem cells via suppressing the PLP2 expression.
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Affiliation(s)
- Yanmei Zou
- a Department of Oncology , Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , Hubei , China
| | - Yuandong Chen
- b Department of Oncology , Huangzhou District People's Hospital , Huanggang , Hubei , China
| | - Shuo Yao
- a Department of Oncology , Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , Hubei , China
| | - Guangrui Deng
- b Department of Oncology , Huangzhou District People's Hospital , Huanggang , Hubei , China
| | - Dian Liu
- a Department of Oncology , Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , Hubei , China
| | - Xun Yuan
- a Department of Oncology , Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , Hubei , China
| | - Shunfang Liu
- a Department of Oncology , Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , Hubei , China
| | - Jie Rao
- a Department of Oncology , Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , Hubei , China
| | - Huihua Xiong
- a Department of Oncology , Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , Hubei , China
| | - Xianglin Yuan
- a Department of Oncology , Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , Hubei , China
| | - Shiying Yu
- a Department of Oncology , Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , Hubei , China
| | - Feng Zhu
- d Department of Biochemistry and Molecular Biology , School of Basic Medicine, Huazhong University of Science and Technology , Wuhan , Hubei , China
| | - Yihua Wang
- a Department of Oncology , Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , Hubei , China.,c Biological Sciences, Faculty of Natural and Environmental Sciences, University of Southampton , Southampton , UK
| | - Hua Xiong
- a Department of Oncology , Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , Hubei , China
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Zhang K, Zhao Z, Yu J, Chen W, Xu Q, Chen L. LncRNA FLVCR1‐AS1 acts as miR‐513c sponge to modulate cancer cell proliferation, migration, and invasion in hepatocellular carcinoma. J Cell Biochem 2018; 119:6045-6056. [PMID: 29574975 DOI: 10.1002/jcb.26802] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Accepted: 02/23/2018] [Indexed: 01/09/2023]
Affiliation(s)
- Kunsong Zhang
- Department of Pancreato‐BiliaryThe First Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouGuangdong ProvinceP.R. China
| | - Zhenxian Zhao
- Department of Pancreato‐BiliaryThe First Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouGuangdong ProvinceP.R. China
| | - Junfeng Yu
- Department of Pancreato‐BiliaryThe First Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouGuangdong ProvinceP.R. China
| | - Wei Chen
- Department of Pancreato‐BiliaryThe First Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouGuangdong ProvinceP.R. China
| | - Qiongcong Xu
- Department of Pancreato‐BiliaryThe First Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouGuangdong ProvinceP.R. China
| | - Liuhua Chen
- Department of Pancreato‐BiliaryThe First Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouGuangdong ProvinceP.R. China
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161
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Long noncoding RNA DANCR mediates cisplatin resistance in glioma cells via activating AXL/PI3K/Akt/NF-κB signaling pathway. Neurochem Int 2018; 118:233-241. [PMID: 29572052 DOI: 10.1016/j.neuint.2018.03.011] [Citation(s) in RCA: 80] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 03/19/2018] [Accepted: 03/20/2018] [Indexed: 12/29/2022]
Abstract
Malignant glioma is an aggressive type of brain tumor with poor prognosis and mostly incurable. Although cisplatin is used for adjuvant chemotherapy against glioma, intrinsic and acquired resistance restricts the application of cisplatin. Long noncoding RNA (lncRNA) DANCR is reported to regulate the differentiation and progression of several cancers. However, whether DANCR participates in cisplatin resistance of glioma is still unknown. In this study, we found that DANCR expression was negatively correlated with cisplatin sensitivity in glioma cells. Gain-of and loss-of function assays revealed that DNACR attenuated cisplatin-induced cell proliferation inhibition in vitro and xenograft growth suppression in vivo. Furthermore, DNACR also attenuated cisplatin-induced cell apoptosis in vitro and in vivo. Mechanistically, we found that DANCR upregulated AXL via competitively binding miR-33a-5p, miR-33b-5p, miR-1-3p, miR-206, and miR-613. Through upregulating AXL, DANCR activated PI3K/Akt/NF-κB signaling pathway in glioma cells. Inhibiting AXL/PI3K/Akt/NF-κB signaling pathway reversed the effects of DANCR on cisplatin resistance. In conclusion, we identified a cisplatin-resistance associated lncRNA DANCR. DANCR promotes cisplatin resistance via activating AXL/PI3K/Akt/NF-κB signaling pathway in glioma. Our data suggested that DANCR would be a potential biomarker for predicting cisplatin sensitivity and a therapeutic target for enhancing cisplatin efficacy in glioma.
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LncRNA DANCR functions as a competing endogenous RNA to regulate RAB1A expression by sponging miR-634 in glioma. Biosci Rep 2018; 38:BSR20171664. [PMID: 29301870 PMCID: PMC5794498 DOI: 10.1042/bsr20171664] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 01/03/2018] [Accepted: 01/04/2018] [Indexed: 01/12/2023] Open
Abstract
Long noncoding RNA (lncRNA) differentiation antagonizing nonprotein coding RNA (DANCR) plays important regulatory roles in many solid tumors. However, the effect of DANCR in glioma progression and underlying molecular mechanisms were not entirely explored. In the present study, we determined the expression of DANCR in glioma tissues and cell lines using qRT-PCR and further defined the biological functions. Furthermore, we used luciferase reporter assay, Western blot, and RNA immunoprecipitation (RIP) to explore the underlying mechanism. Our results showed that DANCR was significantly up-regulated in glioma tissues and cell lines (U251, U118, LN229, and U87MG). High DANCR expression was correlated with advanced tumor grade. Inhibition of DANCR suppressed the glioma cells proliferation and induced cells arrested in the G0/G1 phase. In addition, we verified that DANCR could directly interact with miR-634 in glioma cells and this interaction resulted in the inhibition of downstream of RAB1A expression. The present study demonstrated that DANCR/miR-634/RAB1A axis plays crucial roles in the progression of glioma, and DANCR might potentially serve as a therapeutic target for the treatment of glioma patients.
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LncRNA SNHG12 promotes tumorigenesis and metastasis in osteosarcoma by upregulating Notch2 by sponging miR-195-5p. Biochem Biophys Res Commun 2018; 495:1822-1832. [DOI: 10.1016/j.bbrc.2017.12.047] [Citation(s) in RCA: 99] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 12/08/2017] [Indexed: 01/17/2023]
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164
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Liu H, Hu J, Pan H, Luo D, Huang M, Xu W. CSN5 Promotes Hepatocellular Carcinoma Progression by SCARA5 Inhibition Through Suppressing β-Catenin Ubiquitination. Dig Dis Sci 2018; 63:155-165. [PMID: 29189991 DOI: 10.1007/s10620-017-4855-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Accepted: 11/16/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND Increasing evidence has suggested that E3 Ubiquitin Ligase CSN5 is a newly characterized oncogene involved in various types of cancer. Scavenger receptor class A member 5 (SCARA5) is an important regulator of biological processes in cancer cells. However, the roles and relationship of CSN5 and SCARA5 in hepatocellular carcinoma (HCC) remain unclear. METHODS We used RT-PCR, Western blot, and immunohistochemistry to measure CSN5 and SCARA5 expression in HCC tissues and corresponding non-tumor tissues. The CSN5 gene was overexpressed or silenced with lentiviral vectors in HCC cells. Cell proliferation was measured using CCK8 assay. And, the cell migration and invasion were analyzed by transwell assay. RESULTS We found that the expressions of CSN5 and SCARA5 are inversely correlated in HCC tissues, and CSN5 expression levels were negatively correlated with the levels of SCARA5 in various HCC cells. Furthermore, we found that high level of CSN5 expression correlated closely with tumor TNM stage, tumor size, and venous metastasis, but low level of SCARA5 expression correlated closely with tumor TNM stage, tumor size, and venous metastasis. Additionally, survival of patients with lower expression of CNS5 was significantly better than that of higher expression group, but the survival of patients with higher expression of SCARA5 was significantly better than that of lower expression group. Moreover, knockdown of CSN5 increased SCARA5 expression and inhibited the proliferation and metastasis of HCC cells in vitro and in vivo. Finally, we found that CSN5 regulated SCARA5 expression by modulating β-catenin. Mechanistically, our results indicate that CSN5 can decrease β-catenin ubiquitination to enhance the protein expression of SCARA5 in HCC cells. CONCLUSIONS Our data identified CSN5 as a critical oncoprotein involved in progression of HCC cells, which could serve as a potential therapeutic target in HCC patients.
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Affiliation(s)
- Hongliang Liu
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, No. 1 Min De Road, Nanchang, 330006, Jiangxi Province, China
| | - Junwen Hu
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, No. 1 Min De Road, Nanchang, 330006, Jiangxi Province, China.,Department of General Surgery, The Third Affiliated Hospital of Nanchang University, No. 128 Xiangshan North Road, Nanchang, 330008, Jiangxi Province, China
| | - Hua Pan
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, No. 1 Min De Road, Nanchang, 330006, Jiangxi Province, China
| | - Dilai Luo
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, No. 1 Min De Road, Nanchang, 330006, Jiangxi Province, China
| | - Mingwen Huang
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, No. 1 Min De Road, Nanchang, 330006, Jiangxi Province, China
| | - Wei Xu
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, No. 1 Min De Road, Nanchang, 330006, Jiangxi Province, China.
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Jin L, He Y, Tang S, Huang S. LncRNA GHET1 predicts poor prognosis in hepatocellular carcinoma and promotes cell proliferation by silencing KLF2. J Cell Physiol 2017; 233:4726-4734. [PMID: 29139562 DOI: 10.1002/jcp.26257] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Accepted: 11/06/2017] [Indexed: 01/01/2023]
Abstract
Hepatocellular carcinoma (HCC) has been identified as one of the leading causes of cancer-related death worldwide. Recently, long non-coding RNAs (lncRNAs) attract much attention of researchers, and they are demonstrated to be dysregulated in a variety of cancers, including HCC. LncRNA gastric carcinoma high expressed transcript 1 lncRNA GHET1 is found to be dysregulated in gastric cancer (GC). However, its clinical value and potential biological function in HCC remains unclear. In this study, the expression level of GHET1 was analyzed in 72 HCC tissues and matched normal tissues by using Quantitative RT-PCR (qRT-PCR). GHET1 expression was significantly up-regulated in HCC tissues and the higher level of GHET1 was related to vascular invasion, cirrhosis, tumor size, edmindson grade, and poor prognosis. Moreover, knockdown of GHET1 inhibited cell proliferation of HCC, and also caused cell cycle arrest and induced apoptosis in HCC cell lines. We also found that GHET1 could epigenetically repress transcription of Kruppel-like factor 2 (KLF2) in HCC cells by recruiting PRC2 into KLF2 promoter region. Our results indicated that lncRNA GHET1, as a growth regulator, might serve as a novel prognostic biomarker and therapy target for HCC.
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Affiliation(s)
- Li Jin
- Department of Oncology, Sichuan Cancer Hospital and Institute. No.55, the forth section of South Renmin Road, Wuhou District, Chengdu, Sichuan, China
| | - Yangke He
- Cancer Center, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, Sichuan, China.,Cancer Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Shijia Tang
- Ministry of Science and Technology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, Sichuan, China
| | - Shan Huang
- Cancer Center, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, Sichuan, China.,Cancer Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
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166
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Pan L, Liang W, Gu J, Zang X, Huang Z, Shi H, Chen J, Fu M, Zhang P, Xiao X, Qian H, Xu W, Jiang P, Zhang X. Long noncoding RNA DANCR is activated by SALL4 and promotes the proliferation and invasion of gastric cancer cells. Oncotarget 2017; 9:1915-1930. [PMID: 29416741 PMCID: PMC5788609 DOI: 10.18632/oncotarget.23019] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Accepted: 11/17/2017] [Indexed: 12/30/2022] Open
Abstract
Long noncoding RNAs (LncRNAs) play important roles in tumor development and progression. The expression of lncRNAs is frequently dysregulated in human cancer. DANCR (anti-differentiation noncoding RNA) is a newly identified lncRNA in human cancer, however, its functional roles and clinical value in gastric cancer (GC) remains unknown. In this study, we investigated the expression of DANCR in the tumor tissues and serum of GC patients and analyzed the correlation between DANCR expression levels and the clinicopathological characteristics. Our results showed that the expression of DANCR was higher in the tumor tissues than that in the adjacent non-cancerous tissues. The expression level of DANCR was also elevated in the serum of GC patients compared to that of healthy controls. The expression levels of DANCR were significantly associated with tumor size, TNM stage, lymphatic metastasis and invasion depth. DANCR knockdown inhibited the proliferation of GC cells by inducing cell cycle arrest and cell apoptosis. In addition, DANCR knockdown suppressed gastric cancer growth in vivo. Moreover, DANCR knockdown inhibited the migration and invasion of GC cells via the suppression of epithelial-mesenchymal transition (EMT). However, DANCR overexpression had the opposite effect. DANCR is activated by SALL4 in gastric cancer cells and exerted its oncogenic activities through the activation of β-catenin pathway. Taken together, our findings suggest that DANCR promotes the progression of gastric cancer and have the potential to serve as a novel diagnostic biomarker.
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Affiliation(s)
- Lei Pan
- Department of Breast Surgery, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, China.,Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Wei Liang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Jianmei Gu
- Department of Clinical Laboratory, Nantong Tumor Hospital, Nantong, Jiangsu 226361, China
| | - Xueyan Zang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Zhenhua Huang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China.,Institute of Digestive Diseases, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, China
| | - Hui Shi
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Jingyan Chen
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Min Fu
- Institute of Digestive Diseases, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, China.,Department of General Surgery, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, China
| | - Peng Zhang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xiudi Xiao
- Department of Breast Surgery, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, China
| | - Hui Qian
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Wenrong Xu
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Pengcheng Jiang
- Institute of Digestive Diseases, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, China.,Department of General Surgery, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, China
| | - Xu Zhang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China.,Institute of Digestive Diseases, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, China
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167
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Zhu H, Zeng Y, Zhou CC, Ye W. SNHG16/miR-216-5p/ZEB1 signal pathway contributes to the tumorigenesis of cervical cancer cells. Arch Biochem Biophys 2017; 637:1-8. [PMID: 29126969 DOI: 10.1016/j.abb.2017.11.003] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 10/23/2017] [Accepted: 11/05/2017] [Indexed: 12/11/2022]
Abstract
Long non-coding RNAs (lncRNAs) have been confirmed as crucial regulators in tumorgenesis. Small nucleolar RNA host gene 16 (SNHG16) has been recently uncovered to be a potential oncogene in several types of cancers. However, its expression level and potential role in cervical cancer remain uncertain. In our research, we assessed the expression level of SNHG16 in clinical cervical cancer tissues and cells. We made use of functional assays to determine the biological effects of SNHG16 on cell proliferation and migration of cervical cancer. By employing the bioinformatics analysis tools, we revealed that miR-216-5p could interact with SNHG16 and there existed a negative correlation between the expression levels of miR-216-5p and SNHG16 in cervical cancer specimens. Furthermore, RIP assay, RNA pulldown system and dual luciferase reporter assays confirmed that SNHG16 directly targeted miR-216-5p by harboring the binding sites of microRNA in the SNHG16 sequence. Additionally, bioinformatics analysis provided an evidence that ZEB1 was a potential target of miR-216-5p. Collectively, it was suggested that SNHG16 could serve as an oncogene that promoted tumor progression by acting as an endogenous 'sponge' to regulate miR-216A-5p/ZEB1.
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Affiliation(s)
- Hong Zhu
- Department of Obstetrics and Gynecology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, No.1665, KongJiang Road, YangPu District, Shanghai 200092, China
| | - Yan Zeng
- Department of Obstetrics and Gynecology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, No.1665, KongJiang Road, YangPu District, Shanghai 200092, China
| | - Chen-Chen Zhou
- Department of Obstetrics and Gynecology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, No.1665, KongJiang Road, YangPu District, Shanghai 200092, China
| | - Weiping Ye
- Department of Obstetrics and Gynecology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, No.1665, KongJiang Road, YangPu District, Shanghai 200092, China.
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