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MicroRNA-370 as a negative regulator of signaling pathways in tumor cells. Process Biochem 2023. [DOI: 10.1016/j.procbio.2023.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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Liu Z, Jiang H, Zhao R, Quan Q, Huang X. Long Noncoding RNA IPW Is a Novel Diagnostic and Predictive Biomarker in Lung Adenocarcinoma. Genet Test Mol Biomarkers 2023; 27:18-26. [PMID: 36719980 DOI: 10.1089/gtmb.2022.0173] [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: 02/02/2023] Open
Abstract
Background: Long non-coding RNAs (lncRNAs), as functional components of the human genome, are widely involved in cell proliferation, differentiation, apoptosis, migration and invasion by several types of cancer, including lung cancer. However, the role of lncRNA IPW in lung cancer has not been fully elucidated. The aim of the present study was to characterize the expression and clinical significance of lncRNA IPW in lung cancer. Materials and Methods: IPW expression in tumor samples and cells was assessed using the Oncomine and Cancer Cell Line Encyclopedia (CCLE) database, respectively. Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) was used to determine IPW expression and microRNA-370 (miR-370) expression. The clinical significance of IPW was evaluated by Chi-square test and Kaplan-Meier pot analyses. In addition, the sulforhodamine blue (SRB) assays was used to detect cell proliferation in IPW-overexpressed A549 cells. Results: IPW expression was significantly down-regulated in NSCLC tissues and was significantly associated with many clinicopathological data, including smoking history, differentiation, pT factor, pN factor and pTNM stage (p < 0.05). Decreased IPW expression was correlated with poor survival (p = 1.5e-05) and was positively associated with first progression in patients with lung adenocarcinoma (p = 0.00041). Furthermore, IPW could inhibit A549 cell proliferation and expression of miR-370. High miR-370 expression was associated with poor overall survival (OS) among lung adenocarcinoma patients (p = 0.045). Conclusions: These findings provide evidence that down-regulation of IPW might be considered as a beneficial prognostic biomarker and that it could potentially serve as therapeutic target in lung adenocarcinoma.
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Affiliation(s)
- Zhiju Liu
- Department of Oncology, Taixing People's Hospital, Taixing, China
| | - Hua Jiang
- Department of Oncology, Taixing People's Hospital, Taixing, China
| | - Rongchang Zhao
- Department of Oncology, Taixing People's Hospital, Taixing, China
| | - Qiuying Quan
- Department of Pathology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiaohong Huang
- Department of Oncology, Taixing People's Hospital, Taixing, China
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circRNA_101277 Influences Cisplatin Resistance of Colorectal Cancer Cells by Modulating the miR-370/IL-6 Axis. Genet Res (Camb) 2022; 2022:4237327. [PMID: 35356749 PMCID: PMC8938145 DOI: 10.1155/2022/4237327] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 02/21/2022] [Indexed: 01/05/2023] Open
Abstract
Background. Colorectal cancer (CRC) is among the most prevalent malignancies globally. Early detection of precancerous lesions through routine colonoscopy has led to a dramatic reduction in CRC-related incidence and mortality among those between the ages of 50 and 70. However, in those where the disease progresses to an advanced stage, chemotherapy remains the primary available treatment option, and the associated 5-year survival rate remains low. The identification of genes associated with CRC chemoresistance would thus be a beneficial approach to identifying novel treatments for this deadly disease. Methods. The expression of circRNA_101277, miR-370, and IL-6 was assessed via qRT-PCR. IL-6 levels were measured with a human IL-6 ELISA kit based on the provided protocols. CRC cellular proliferation and cisplatin IC50 values were quantified via MTT assays. Luciferase assays were used to detect circRNA_101277 and miR-370 binding sites or miR-370 and IL-6 binding sites. Results. circRNA_101277 was increased in CRC tissues compared with control samples. circRNA_101277 overexpression was evident in CRC cells, and knockdown of this circRNA suppressed cellular proliferation and cisplatin resistance in these cancer cells. At a mechanistic level, circRNA_101277 was found to function by sequestering miR-370, thereby upregulating the miR-370 target gene IL-6 and promoting cisplatin resistance via this miR-370/IL-6 axis. Conclusion. In summary, our data highlight circRNA_101277 as a novel driver of CRC cell cisplatin resistance that functions by sequestering miR-370 and thereby enhancing IL-6 expression. These findings suggest that this circRNA_101277/miR-370/IL-6 axis may represent a critical axis of chemoresistance in CRC that can be targeted to diagnose and/or treat this cancer.
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Ruan X, Zhang R, Li R, Zhu H, Wang Z, Wang C, Cheng Z, Peng H. The Research Progress in Physiological and Pathological Functions of TRAF4. Front Oncol 2022; 12:842072. [PMID: 35242717 PMCID: PMC8885719 DOI: 10.3389/fonc.2022.842072] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 01/26/2022] [Indexed: 11/22/2022] Open
Abstract
Tumour necrosis factor receptor-associated factor 4 (TRAF4) is a member of the TRAF protein family, a cytoplasmic bridging molecule closely associated with various immune functions. The physiological processes of TRAF4 are mainly involved in embryonic development, cell polarity, cell proliferation, apoptosis, regulation of reactive oxygen species production. TRAF4 is overexpressed in a variety of tumors and regulates the formation and development of a variety of tumors. In this review, we summarize the physiological and pathological regulatory functions of TRAF4 and focus on understanding the biological processes involved in this gene, to provide a reference for further studies on the role of this gene in tumorigenesis and development.
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Affiliation(s)
- Xueqin Ruan
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Molecular Hematology, Central South University, Changsha, China
| | - Rong Zhang
- Division of Cancer Immunotherapy, National Cancer Center Exploratory Oncology Research & Clinical Trial Center, Chiba, Japan
| | - Ruijuan Li
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Molecular Hematology, Central South University, Changsha, China
| | - Hongkai Zhu
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Molecular Hematology, Central South University, Changsha, China
| | - Zhihua Wang
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Molecular Hematology, Central South University, Changsha, China
| | - Canfei Wang
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Molecular Hematology, Central South University, Changsha, China
| | - Zhao Cheng
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Molecular Hematology, Central South University, Changsha, China
| | - Hongling Peng
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Molecular Hematology, Central South University, Changsha, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
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Wang X, Lv J, He B, Zhou D. CircFBXW8 Acts an Oncogenic Role in the Malignant Progression of Non-small Cell Lung Carcinoma by miR-370-3p-Dependent Regulation of TRIM44. Biochem Genet 2022; 60:1313-1332. [PMID: 34988777 DOI: 10.1007/s10528-021-10177-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 12/06/2021] [Indexed: 12/24/2022]
Abstract
Non-small cell lung carcinoma (NSCLC) is an aggressive malignant tumor. Growing evidences have revealed that circular RNA (circRNA) is involved in NSCLC progression. This study aims to investigate the role of circular RNA F-box and WD repeat domain containing 8 (circFBXW8) in NSCLC progression and the underlying mechanism. The expression of circFBXW8, microRNA-370-3p (miR-370-3p) and tripartite motif containing 44 (TRIM44) mRNA was detected by quantitative real-time polymerase chain reaction (qRT-PCR). Protein expression was detected by western blot analysis or immunohistochemistry assay. Additionally, cell viability, colony-forming ability, proliferation and apoptosis were investigated by 3-(4,5-Dimethylthazol-2-yl)-2,5-diphenyltetrazolium bromide, cell colony formation, 5-Ethynyl-29-deoxyuridine and flow cytometry analysis assays, respectively. Cell migratory and invasive abilities were examined by wound-healing and transwell assays. The regulatory relationship between miR-370-3p and circFBXW8 or TRIM44 was identified by dual-luciferase reporter and RNA pull-down assays. Furthermore, xenograft experiment was employed to explain the effect of circFBXW8 silencing on tumor formation. CircFBXW8 and TRIM44 expression were upregulated, while miR-370-3p was downregulated in NSCLC tissues, cells and the exosomes from NSCLC cells compared with respective controls. CircFBXW8 depletion repressed NSCLC cell proliferation, migration and invasion, but promoted cell apoptosis. CircFBXW8 acted as a sponge of miR-370-3p and regulated NSCLC cell malignancy by binding to miR-370-3p. Additionally, miR-370-3p repressed NSCLC cell processes by regulating TRIM44. CircFBXW8 knockdown inhibited tumor formation in vivo. Further, circFBXW8 secretion was mediated by exosomes. CircFBXW8 modulated NSCLC progression by increasing TRIM44 expression through sponging miR-370-3p, which provided a new direction for studying the therapy of NSCLC.
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Affiliation(s)
- Xia Wang
- Second Department of Oncology, Beibei Traditional Chinese Medical Hospital, No. 93 Beixia Road, Beibei District, Chongqing, 400700, People's Republic of China
| | - Jian Lv
- School of Mechanical Engineering, Southeast University, Nanjing, Jiangsu, China
| | - Bin He
- Second Department of Oncology, Beibei Traditional Chinese Medical Hospital, No. 93 Beixia Road, Beibei District, Chongqing, 400700, People's Republic of China
| | - Deqi Zhou
- Second Department of Oncology, Beibei Traditional Chinese Medical Hospital, No. 93 Beixia Road, Beibei District, Chongqing, 400700, People's Republic of China.
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Zhu Z, Gong J, Kong J, Qian Y, Lu K, Wang H, Yu M. Iroquois Homeobox 5 Negatively Regulated by miRNA-147 Promotes the Proliferation, Metastasis, and Invasion by Oral Squamous Cell Carcinoma. J Biomed Nanotechnol 2021; 17:1098-1108. [PMID: 34167624 DOI: 10.1166/jbn.2021.3085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Oral squamous cell carcinoma (OSCC) is one of the most common tumors worldwide and has one of the highest mortalities. The progression of OSCC is accompanied by changes in the levels of many genes. Iroquois homeobox 5 (IRX5), a novel protein involved in several embryonic developmental processes, has been found in recent years to play a significant role in regulating the growth of malignant tumors. However, its role and mechanism in OSCC are still unclear. In this study, we used nano-PCR to examine the levels of IRX5 in OSCC tissues. Through overexpression and knockdown experiments, we researched the role of IRX5 in regulating OSCC cell multiplication, metastasis, and epithelial-mesenchymal transition (EMT). The results demonstrated that IRX5 expression is higher in OSCC tissues in contrast to adjacent tissues. Overexpression of IRX5 promotes the multiplication, metastasis, invasion, and EMT of OSCC cells. Additional bioinformatics analysis showed that miRNA-147 can target the 3'UTR end of IRX5 and negatively regulate its expression, and overexpression of miRNA-147 can weaken the cancer-promoting effect of IRX5. In conclusion, this study found that IRX5 plays a role in promoting cancer in OSCC, and IRX5 is also negatively regulated by miRNA-147.
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Affiliation(s)
- Ziyu Zhu
- Department of Stomatology, The Stomatological Hospital Affiliated to Medical College of Zhejiang University, Hangzhou, 310006, Zhejiang, PR China; Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, 310006, Zhejiang, PR China; School of Stomatology, Zhejiang University, Hangzhou, 310006, Zhejiang, PR China
| | - Jiaxing Gong
- Department of Stomatology, The Stomatological Hospital Affiliated to Medical College of Zhejiang University, Hangzhou, 310006, Zhejiang, PR China; Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, 310006, Zhejiang, PR China; School of Stomatology, Zhejiang University, Hangzhou, 310006, Zhejiang, PR China
| | - Jianlu Kong
- Department of Stomatology, The Stomatological Hospital Affiliated to Medical College of Zhejiang University, Hangzhou, 310006, Zhejiang, PR China; Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, 310006, Zhejiang, PR China; School of Stomatology, Zhejiang University, Hangzhou, 310006, Zhejiang, PR China
| | - Ying Qian
- Department of Stomatology, The Stomatological Hospital Affiliated to Medical College of Zhejiang University, Hangzhou, 310006, Zhejiang, PR China; Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, 310006, Zhejiang, PR China; School of Stomatology, Zhejiang University, Hangzhou, 310006, Zhejiang, PR China
| | - Kejie Lu
- Department of Stomatology, The Stomatological Hospital Affiliated to Medical College of Zhejiang University, Hangzhou, 310006, Zhejiang, PR China; Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, 310006, Zhejiang, PR China; School of Stomatology, Zhejiang University, Hangzhou, 310006, Zhejiang, PR China
| | - Huiming Wang
- Department of Stomatology, The Stomatological Hospital Affiliated to Medical College of Zhejiang University, Hangzhou, 310006, Zhejiang, PR China; Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, 310006, Zhejiang, PR China; School of Stomatology, Zhejiang University, Hangzhou, 310006, Zhejiang, PR China
| | - Mengfei Yu
- Department of Stomatology, The Stomatological Hospital Affiliated to Medical College of Zhejiang University, Hangzhou, 310006, Zhejiang, PR China; Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, 310006, Zhejiang, PR China; School of Stomatology, Zhejiang University, Hangzhou, 310006, Zhejiang, PR China
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7
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Li C, Deng C, Zhou T, Hu J, Dai B, Yi F, Tian N, Jiang L, Dong X, Zhu Q, Zhang S, Cui H, Cao L, Shang Y. MicroRNA-370 carried by M2 macrophage-derived exosomes alleviates asthma progression through inhibiting the FGF1/MAPK/STAT1 axis. Int J Biol Sci 2021; 17:1795-1807. [PMID: 33994863 PMCID: PMC8120458 DOI: 10.7150/ijbs.59715] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 04/12/2021] [Indexed: 12/22/2022] Open
Abstract
Emerging evidence has suggested the functions of exosomes in allergic diseases including asthma. By using a mouse model with asthma induced by ovalbumin (OVA), we explored the roles of M2 macrophage-derived exosomes (M2Φ-Exos) in asthma progression. M2Φ-Exos significantly alleviated OVA-induced fibrosis and inflammatory responses in mouse lung tissues, as well as inhibited abnormal proliferation, invasion, and fibrosis-related protein production in platelet derived growth factor (PDGF-BB) treated primary mouse airway smooth muscle cells (ASMCs). The OVA administration in mice or the PDGF-BB treatment in ASMCs reduced the expression of miR-370, which was detected in M2Φ-Exos by miRNA sequencing. However, treating the mice or ASMCs with M2Φ-Exos reversed the inhibitory effect of OVA or PDGF-BB on miR-370 expression. We identified that the target of miR-370 was fibroblast growth factor 1 (FGF1). Downregulation of miR-370 by Lv-miR-370 inhibitor or overexpression of FGF1 by Lv-FGF1 blocked the protective roles of M2Φ-Exos in asthma-like mouse and cell models. M2Φ-Exos were found to inactivate the MAPK signaling pathway, which was recovered by miR-370 inhibition or FGF1 overexpression. Collectively, we conclude that M2Φ-Exos carry miR-370 to alleviate asthma progression through downregulating FGF1 expression and the MAPK/STAT1 signaling pathway. Our study may offer a novel insight into asthma treatment.
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Affiliation(s)
- Chunlu Li
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Chengsi Deng
- College of Basic Medicine Science, China Medical University, Shenyang 110122, China
| | - Tingting Zhou
- College of Basic Medicine Science, China Medical University, Shenyang 110122, China
| | - Jiapeng Hu
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Bing Dai
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Fei Yi
- College of Basic Medicine Science, China Medical University, Shenyang 110122, China
| | - Na Tian
- Jilin Tuohua Biotechnology Co., Ltd. Changchun, Jilin 13000, China
| | - Lijun Jiang
- Jilin Tuohua Biotechnology Co., Ltd. Changchun, Jilin 13000, China
| | - Xiang Dong
- College of Basic Medicine Science, China Medical University, Shenyang 110122, China
| | - Qingfeng Zhu
- College of Basic Medicine Science, China Medical University, Shenyang 110122, China
| | - Siyi Zhang
- College of Basic Medicine Science, China Medical University, Shenyang 110122, China
| | - Hongyan Cui
- College of Basic Medicine Science, China Medical University, Shenyang 110122, China
| | - Liu Cao
- College of Basic Medicine Science, China Medical University, Shenyang 110122, China
| | - Yunxiao Shang
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China
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8
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Li C, Dai B, Hu J, Shang Y. WITHDRAWN: M2 macrophage-derived exosomes carry microRNA-370 to alleviate asthma progression through inhibiting the FGF1/MAPK/STAT1 axis. Exp Cell Res 2020:112285. [PMID: 32941809 DOI: 10.1016/j.yexcr.2020.112285] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/07/2020] [Accepted: 09/09/2020] [Indexed: 01/16/2023]
Abstract
This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/policies/article-withdrawal.
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Affiliation(s)
- Chunlu Li
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning, P.R. China
| | - Bing Dai
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning, P.R. China
| | - Jiapeng Hu
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning, P.R. China
| | - Yunxiao Shang
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning, P.R. China
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Chen X, Xu H. LncRNA SNHG15 regulates osteosarcoma progression in vitro and in vivo via sponging miR-346 and regulating TRAF4 expression. Open Life Sci 2020; 15:423-436. [PMID: 33817231 PMCID: PMC7874646 DOI: 10.1515/biol-2020-0039] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 04/06/2020] [Accepted: 04/16/2020] [Indexed: 12/13/2022] Open
Abstract
Osteosarcoma (OS) is a common primary malignant bone tumor around the world. It has been reported that long noncoding RNAs (lncRNAs) take part in diverse pathological processes of OS; however, the mechanism remains unknown. This study aimed to uncover the profile of lncRNA small nucleolar RNA host gene 15 (SNHG15), its biological function, and its potential involvement in the mechanism of OS progression in vitro and in vivo. The expression of SNHG15 and TRAF4 was promoted in OS tissues opposite for that of miR-346. The silencing of SNHG15 limited the proliferation, invasion, and enhanced apoptosis of SaoS2 and HOS cells. Moreover, the putative binding sites between miR-346 and SNHG15 or TRAF4 were predicted by starBase and Targetscan software online, individually. Also, miR-346 deletion reversed the positive effects of SNHG15 elimination on proliferation, apoptosis, and invasion in cells. In addition, the upregulation of TRAF4 disrupted the biofunctional results from miR-346 promotion subsequently. Finally, SNHG15 knockdown repressed OS tumor growth in a xenograft tumor model. SNHG15 enhanced the progression of OS by regulating the miR-346/TRAF4 axis in vitro and in vivo.
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Affiliation(s)
- Xuewu Chen
- Department of Spine Surgery, Research Center of Spine Surgery, Yijishan Hospital (The First Affiliated Hospital of Wannan Medical College), No. 2, West Zheshan Road, Wuhu, 241001, Anhui, China
| | - Hongguang Xu
- Department of Spine Surgery, Research Center of Spine Surgery, Yijishan Hospital (The First Affiliated Hospital of Wannan Medical College), No. 2, West Zheshan Road, Wuhu, 241001, Anhui, China
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TRAF4 knockdown triggers synergistic lethality with simultaneous PARP1 inhibition in endometrial cancer. Hum Cell 2020; 33:801-809. [PMID: 32388810 DOI: 10.1007/s13577-020-00363-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 04/14/2020] [Indexed: 10/24/2022]
Abstract
Endometrial cancer (EC) is one of the most common cancers among females worldwide. Advanced stage patients of EC have poor prognosis. Inevitable side effects and treatment tolerance of chemotherapy for EC remain to be addressed. Our results in this study showed that EC cells with higher tumor necrosis factor receptor-associated factor 4 (TRAF4) expression have lower sensitivity to poly ADP-ribose polymerase 1 (PARP1) inhibitors. Upon TRAF4 knockdown, the colony numbers of EC cells were markedly down-regulated, and the markers of DNA double-strand breakage were significantly up-regulated after the treatment of olaparib, a PARP1 inhibitor. TRAF4 knockdown reduced the phosphorylation of protein kinase B (Akt), promoted DNA double-strand breakage, and decreased levels of DNA repair related proteins, including phosphorylated-DNA-dependent protein kinase (p-DNA-PK) and RAD51 recombinase (RAD51). In addition, TRAF4's effect on the sensitivity of EC cells to olaparib was further found to be mainly mediated by Akt phosphorylation. Moreover, in vivo results showed that TRAF4 knockdown enhanced the sensitivity of EC to PARP1 inhibitors using a mouse xenograft model. Collectively, our data suggest that combined application of TRAF4 knockdown and PARP1 inhibition can be used as a promising strategy for synthetic lethality in EC treatment.
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Yan Z, Yang Q, Xue M, Wang S, Hong W, Gao X. YY1-induced lncRNA ZFPM2-AS1 facilitates cell proliferation and invasion in small cell lung cancer via upregulating of TRAF4. Cancer Cell Int 2020; 20:108. [PMID: 32280300 PMCID: PMC7126398 DOI: 10.1186/s12935-020-1157-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 02/29/2020] [Indexed: 12/26/2022] Open
Abstract
Background Newly identified lncRNA zinc finger protein, FOG family member 2 antisense RNA 1 (ZFPM2-AS1) is identified as an oncogenic gene. However, the role of ZFPM2-AS1 in small cell lung cancer (SCLC) is poorly comprehended. Methods The expression of genes in SCLC tissues and cells was measured by qRT-PCR. Colony formation, EdU, CCK-8, transwell and wound healing as well as in vivo assays revealed the function of ZFPM2-AS1 in SCLC. ChIP, luciferase reporter, RIP and RNA pull down assays demonstrated the binding relation among genes. Results ZFPM2-AS1 was significantly upregulated in SCLC tissues and cells. ZFPM2-AS1 deficiency attenuated SCLC cell proliferation, invasion and migration. In addition, ZFPM2-AS1 was transcriptionally activated by Yin Yang 1 (YY1) factor. Further, miR-3612 was confirmed as downstream miRNA of ZFPM2-AS1. Moreover, TNF receptor associated factor 4 (TRAF4) was the target gene of miR-3612 in SCLC. ZFPM2-AS1, miR-3612 and TRAF4 jointly constituted a competing endogenous RNA (ceRNA) network in SCLC. Finally, TRAF4 could countervail ZFPM2-AS1 downregulation-mediated function on SCLC cell proliferation and invasion in vitro and tumor growth in vivo. Conclusion Our study elucidated the oncogenic effect of ZFPM2-AS1 in SCLC progression, indicating it may be a therapeutic target for SCLC.
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Affiliation(s)
- Zhijun Yan
- 1Department of Respiratory Medicine, Minhang Hospital, Fudan University, 170 Xinsong Road, Shanghai, 201199 China
| | - Qilian Yang
- 2Department of Pharmacy, Minhang Hospital, Fudan University, 170 Xinsong Road, Shanghai, 201199 China
| | - Min Xue
- 1Department of Respiratory Medicine, Minhang Hospital, Fudan University, 170 Xinsong Road, Shanghai, 201199 China
| | - Sheng Wang
- 3Institutes of Biomedical Sciences, Fudan University, 131 Dongan Road, Shanghai, 200032 China
| | - Weijun Hong
- 1Department of Respiratory Medicine, Minhang Hospital, Fudan University, 170 Xinsong Road, Shanghai, 201199 China
| | - Xiwen Gao
- 1Department of Respiratory Medicine, Minhang Hospital, Fudan University, 170 Xinsong Road, Shanghai, 201199 China
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Medarova Z, Pantazopoulos P, Yoo B. Screening of potential miRNA therapeutics for the prevention of multi-drug resistance in cancer cells. Sci Rep 2020; 10:1970. [PMID: 32029822 PMCID: PMC7005303 DOI: 10.1038/s41598-020-58919-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 01/22/2020] [Indexed: 12/13/2022] Open
Abstract
Chemotherapy, a major cancer treatment approach, suffers seriously from multidrug resistance (MDR), generally caused by innate DNA repair proteins that reverse the DNA modification by anti-cancer therapeutics or trans-membrane efflux proteins that pump anti-cancer therapeutics out of the cytosol. This project focused on finding microRNAs that can regulate MDR proteins by managing corresponding mRNA levels through post-transcriptional regulation based on nucleotide sequence matching. Screening was done with bioinformatics databases for unpublished/unexplored microRNAs with high nucleotide sequence correspondence to two representative MDR proteins, MGMT (a DNA repair protein) and ABCB1 (an efflux protein), revealing microRNA-4539 and microRNA-4261 respectively. To investigate the enhancement of chemotherapeutics in cancer cells, high MGMT expressing glioblastoma (T98G) and a high ABCB1 expressing triple-negative breast cancer cell line (MDA-MB-231-luc) were treated with varying concentrations of chemotherapeutics and corresponding miRNAs. Newly identified MDR-related miRNAs (MDRmiRs) enhanced the response to anti-cancer therapeutics and resulted in effective cell death. In this study, we demonstrated that therapeutic miRNAs could be identified based on the nucleotide sequence matching of miRNAs to targeted mRNA and the same approach could be employed for the screening of therapeutic candidates to regulate specific target proteins in diverse diseases.
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Affiliation(s)
- Zdravka Medarova
- MGH/MIT/HMS Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02129, USA.
| | - Pamela Pantazopoulos
- MGH/MIT/HMS Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02129, USA
| | - Byunghee Yoo
- MGH/MIT/HMS Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02129, USA.
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Peng J, Chen XL, Cheng HZ, Xu ZY, Wang H, Shi ZZ, Liu J, Ning XG, Peng H. Silencing of KCNK15-AS1 inhibits lung cancer cell proliferation via upregulation of miR-202 and miR-370. Oncol Lett 2019; 18:5968-5976. [PMID: 31788071 PMCID: PMC6865154 DOI: 10.3892/ol.2019.10944] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Accepted: 08/01/2019] [Indexed: 02/07/2023] Open
Abstract
Lung cancer is the most common cause of cancer-associated mortality globally. Long non-coding RNAs (lncRNAs) are transcripts with a length of >200 nucleotides, which are not translated into proteins. Growing evidence has indicated that certain lncRNAs are associated with various biological processes in cancer. However, the functions of KCNK15 and WISP2 antisense RNA 1 (KCNK15-AS1) in lung cancer carcinogenesis and progression have remained elusive. The present study indicated that KCNK15-AS1 was overexpressed in lung adenocarcinoma tissues compared with paracancerous normal tissues, and the high expression of KCNK15-AS1 was significantly associated with poor prognosis compared with the patients with low expression (P<0.001). Furthermore, the knockdown of KCNK15-AS1 was performed in A549 and H460 lung cancer cells with small interfering RNA, resulting in a significant inhibition of the proliferation, a decrease in the mRNA and protein expression of cyclin D1 (CCND1) and epidermal growth factor receptor (EGFR), in addition to the phosphorylation of protein kinase B, with a concomitant increase in the expression of microRNA (miR)-202 and miR-370 compared with negative control group. Rescue experiments demonstrated that the inhibition of miR-202 or miR-370 partially recovered the EGFR and CCND1 expression and the proliferation rates, which were reduced by KCNK15-AS1 silencing. In conclusion, these results suggested that KCNK15-AS1 functions as an oncogene via regulating the miR-202/miR-370/EGFR axis in lung cancer and may provide a potential target for lung cancer treatment.
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Affiliation(s)
- Jun Peng
- Department of Thoracic Surgery, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, P.R. China
| | - Xin-Long Chen
- Department of Thoracic Surgery, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, P.R. China
| | - Hong-Zhong Cheng
- Department of Thoracic Surgery, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, P.R. China
| | - Zhe-Yuan Xu
- Department of Thoracic Surgery, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, P.R. China
| | - Han Wang
- Department of Thoracic Surgery, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, P.R. China
| | - Zhi-Zhou Shi
- Faculty of Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, P.R. China
| | - Jun Liu
- Department of Thoracic Surgery, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, P.R. China
| | - Xian-Gu Ning
- Department of Thoracic Surgery, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, P.R. China
| | - Hao Peng
- Department of Thoracic Surgery, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, P.R. China
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14
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Wang X, Zhu W, Xu C, Wang F, Zhu X, Sun Y, Guo Y, Fu X, Zhang Y, Zang Y. MicroRNA-370 functions as a tumor suppressor in hepatocellular carcinoma via inhibition of the MAPK/JNK signaling pathway by targeting BEX2. J Hum Genet 2019; 64:1203-1217. [PMID: 31530937 DOI: 10.1038/s10038-019-0653-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 07/08/2019] [Accepted: 07/23/2019] [Indexed: 02/06/2023]
Abstract
Hepatocellular carcinoma (HCC) is a primary malignancy of the liver and occurs predominantly in patients with underlying chronic liver disease and cirrhosis. Accumulating studies have revealed that microRNAs (miRNAs) play a critical role in the development and progression of HCC. Through microarray-based gene expression profiling of HCC, miR-370, and BEX2 were identified in HCC. Hence, this study aimed to evaluate their abilities on the cellular processes in HCC. It was determined that BEX2 was highly expressed and miR-370 was poorly expressed in HCC cell lines and tissues. Then, the cell line presenting with the highest BEX2 expression and the lowest miR-370 expression was selected for subsequent gain- and loss-of-function experimentation. The antitumor effect of miR-370 on HCC cell proliferation, invasion, migration, and apoptosis, as well as the MAPK/JNK signaling pathway was examined. Meanwhile, the interaction among miR-370, BEX2, and MAPK/JNK signaling pathway was identified. BEX2 is verified to be a target of miR-370. Moreover, miR-370 exerted antitumor effect on HCC development through suppression of the MAPK/JNK signaling pathway by targeting BEX2. Later, it was further verified by in vivo experiment that overexpression of miR-370 inhibited tumor growth. Above results provide evidence that miR-370 could downregulate BEX2 gene and inhibit activation of MAPK/JNK signaling pathway, thus inhibiting the development of HCC. It provides a worth-trying novel therapeutic target for HCC treatment.
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Affiliation(s)
- Xin Wang
- Department of Liver Transplantation, The Affiliated Hospital of Qingdao University, 266000, Qingdao, PR China
| | - Wenyan Zhu
- Operating Room, The Affiliated Hospital of Qingdao University, 266000, Qingdao, PR China
| | - Chuanshen Xu
- Transplantation Care Unit, The Affiliated Hospital of Qingdao University, 266000, Qingdao, PR China
| | - Feng Wang
- Department of Liver Transplantation, The Affiliated Hospital of Qingdao University, 266000, Qingdao, PR China
| | - Xiaodan Zhu
- Department of Liver Transplantation, The Affiliated Hospital of Qingdao University, 266000, Qingdao, PR China
| | - Yandong Sun
- Department of Liver Transplantation, The Affiliated Hospital of Qingdao University, 266000, Qingdao, PR China
| | - Yuan Guo
- Department of Liver Surgery, The Affiliated Hospital of Qingdao University, 266000, Qingdao, PR China
| | - Xiaoyue Fu
- Department of Liver Transplantation, The Affiliated Hospital of Qingdao University, 266000, Qingdao, PR China
| | - Yong Zhang
- Department of Liver Transplantation, The Affiliated Hospital of Qingdao University, 266000, Qingdao, PR China
| | - Yunjin Zang
- Department of Liver Transplantation, The Affiliated Hospital of Qingdao University, 266000, Qingdao, PR China.
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15
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Huang L, Liu X. microRNA-370 Promotes Cell Growth by Targeting WNK2 in Breast Cancer. DNA Cell Biol 2019; 38:501-509. [PMID: 31009242 DOI: 10.1089/dna.2018.4602] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Li Huang
- Central Hospital of Zibo, Zhangdian District, Zibo, Shandong, China
| | - Xiangyu Liu
- Central Hospital of Zibo, Zhangdian District, Zibo, Shandong, China
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16
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Haybar H, Shahrabi S, Rezaeeyan H, Shirzad R, Saki N. Endothelial Cells: From Dysfunction Mechanism to Pharmacological Effect in Cardiovascular Disease. Cardiovasc Toxicol 2019; 19:13-22. [PMID: 30506414 DOI: 10.1007/s12012-018-9493-8] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Endothelial cells (ECs) are the innermost layer of blood vessels that play important roles in homeostasis and vascular function. However, recent evidence suggests that the onset of inflammation and the production of reactive oxygen species impair the function of ECs and are a main factor in the development of cardiovascular disease (CVD). In this study, we investigated the effects of inflammatory markers, oxidative stress, and treatment on ECs in CVD patients. This review article is based on the material obtained from PubMed up to 2018. The key search terms used were "Cardiovascular Disease," "Endothelial Cell Dysfunction," "Inflammation," "Treatment," and "Oxidative Stress." The generation of reactive oxygen species (ROS) as well as reduced nitric oxide (NO) production by ECs impairs the function of blood vessels. Therefore, treatment of CVD patients leads to the expression of transcription factors activating anti-oxidant mechanisms and NO production. In contrast, NO production by inflammatory agents can cause ECs repair due to differentiation of endothelial progenitor cells (EPCs). Therefore, identifying the molecular pathways leading to the differentiation of EPCs through mediation of factors induced by inflammatory factors can be effective in regenerative medicine for ECs repair.
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Affiliation(s)
- Habib Haybar
- Atherosclerosis Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Saeid Shahrabi
- Department of Biochemistry and Hematology, Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Hadi Rezaeeyan
- Thalassemia and Hemoglobinopathy Research Center, Research Institute of Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Reza Shirzad
- Thalassemia and Hemoglobinopathy Research Center, Research Institute of Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Najmaldin Saki
- Thalassemia and Hemoglobinopathy Research Center, Research Institute of Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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17
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Li PC, Hu DD, Jia W, Hu B. Expression and Association of Tumor Necrosis Factor Receptor Associated Factor 4 (TRAF4) in Esophageal Squamous Cell Carcinoma. Med Sci Monit 2019; 25:2368-2376. [PMID: 30933965 PMCID: PMC6455108 DOI: 10.12659/msm.915474] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND At present, there is no effective targeted therapy for esophageal squamous cell carcinoma (ESCC), and it is urgent to find new targets for the treatment of ESCC. TRAF4 has been regarded as a cause of carcinogenesis due to overexpression in many cancer types and participation in multiple signaling pathways. However, there are few studies on TRAF4 in ESCC worldwide. Its expression in ESCC and whether it affects the prognosis of patients still remain unclear. MATERIAL AND METHODS We detected the expressions of TRAF4, ki-67, and p53 in 100 cases of ESCC and 80 cases of adjacent normal esophageal squamous epithelium tissues by immunohistochemical technique. We further explored the relationship between TRAF4 and ESCC and its prognosis through statistical analysis. RESULTS TRAF4 was highly expressed in ESCC tissues and was mainly expressed in the cytoplasm. Overexpression of TRAF4 in ESCC was also associated with high expression of ki-67 and p53 (P<0.05). We also found that patients with high expression of TRAF4 had significantly lower OS than in patients with low TRAF4 expression (P<0.05). Overexpression of TRAF4 was an independent risk factor affecting the prognosis of patients (P<0.05). CONCLUSIONS We found that TRAF4 was highly expressed in ESCC tissues and was mainly expressed in the cytoplasm of cancer cells. Overexpression of TRAF4 was an independent risk factor affecting the overall prognosis of patients. The results indicated that TRAF4 may become a new target for the treatment of ESCC in the future.
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18
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Hu Z, Mamillapalli R, Taylor HS. Increased circulating miR-370-3p regulates steroidogenic factor 1 in endometriosis. Am J Physiol Endocrinol Metab 2019; 316:E373-E382. [PMID: 30576245 PMCID: PMC6459299 DOI: 10.1152/ajpendo.00244.2018] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Endometriosis is a gynecologic disease common among reproductive-aged women caused by the growth of endometrial tissue outside the uterus. Altered expression of numerous genes and microRNAs has been reported in endometriosis. Steroidogenic factor 1 (SF-1), an essential transcriptional regulator of multiple genes involved in estrogen biosynthesis, is aberrantly increased and plays an important role in the pathogenesis of endometriosis. Here, we show the expression of SF-1 in endometriosis is regulated by miR-370-3p. Sera and tissue were collected from 20 women surgically diagnosed with endometriosis and 26 women without endometriosis. We found that miR-370-3p levels were decreased in the serum of patients with endometriosis while SF-1 mRNA levels were inversely upregulated in endometriotic lesions compared with respective controls. Transfection of primary endometriotic cells with miR-370-3p mimic or inhibitor resulted in the altered expression of SF-1 and SF-1 downstream target genes steroidogenic acute regulatory protein (StAR) and CYP19A1. Overexpression of miR-370-3p inhibited cell proliferation and induced apoptosis in endometriotic cells. This study reveals that miR-370-3p functions as a negative regulator of SF-1 and cell proliferation in endometriotic cells. We suggest a novel therapeutic strategy for controlling SF-1 in endometriosis.
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Affiliation(s)
- Zhuoying Hu
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine , New Haven, Connecticut
| | - Ramanaiah Mamillapalli
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine , New Haven, Connecticut
| | - Hugh S Taylor
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine , New Haven, Connecticut
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19
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Xiao W, Zhong Y, Wu L, Yang D, Ye S, Zhang M. Prognostic value of microRNAs in lung cancer: A systematic review and meta-analysis. Mol Clin Oncol 2018; 10:67-77. [PMID: 30655979 PMCID: PMC6313946 DOI: 10.3892/mco.2018.1763] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 10/01/2018] [Indexed: 01/01/2023] Open
Abstract
Lung cancer is one of the leading causes of cancer-associated mortality throughout the world. The prognosis of the disease depends on many factors including the stage and type of cancer. Many studies have identified various microRNAs (miRNAs) that affect the prognosis of lung cancer. In order to systemically analyze the available clinical data, the present study performed a meta-analysis to examine all evidence on the potential role of miRNAs as novel predictors of survival in lung cancer. Literature published in English prior to February 1st, 2018 was searched through PubMed to review all of the associations between individual miRNAs and groups of miRNAs with the prognosis of lung cancer. Data was extracted using standard forms and pooled odds ratios with 95% confidence intervals (CIs) were calculated. A total of 15 eligible studies were included in the meta-analysis. These represented 1,753 lung cancer patients and 20 miRNAs. A total of 8 downregulated miRNAs were associated with poorer overall survival (OS) [hazard ratio (HR)=0.59, 95% CI: 0.47–0.75, P<1×10−4], while 10 upregulated miRNAs were associated with poorer OS (HR=1.76, 95% CI: 1.31–2.35, P<1×10−4). Additionally, low miRNA expression was associated with lymph node metastasis [LNM; relative risk (RR)=0.53, 95% CI: 0.46–0.61, P<1×10−4]. The expression of miRNAs was not associated with lung cancer stage (RR=1.07, 95% CI: 0.94–1.22, P=0.23). Expression levels of different miRNAs were associated with the OS and LNM of patients with lung cancer. These miRNAs may be applied as potential prognostic markers in lung cancer.
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Affiliation(s)
- Wendi Xiao
- Department of Thoracic Medicine, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong 518039, P.R. China
| | - Yucheng Zhong
- Department of Thoracic Medicine, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong 518039, P.R. China
| | - Lili Wu
- Department of Thoracic Medicine, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong 518039, P.R. China
| | - Dongxia Yang
- Department of Thoracic Medicine, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong 518039, P.R. China
| | - Songqing Ye
- Department of Thoracic Medicine, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong 518039, P.R. China
| | - Min Zhang
- Department of Thoracic Medicine, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong 518039, P.R. China
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20
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Kang Q, Zou H, Zhou L, Liu LX, Cai JB, Xie N, Li WH, Zhang C, Shi WH, Wang LM, Zhang WH, Zhu H, Wang SF, Zhang XW. Role of the overexpression of TRAF4 in predicting the prognosis of intrahepatic cholangiocarcinoma. Int J Oncol 2018; 53:286-296. [PMID: 29749456 DOI: 10.3892/ijo.2018.4383] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 04/24/2018] [Indexed: 11/05/2022] Open
Abstract
The incidence of intrahepatic cholangiocarcinoma (ICC) is progressively increasing worldwide, and its prognosis remains poor. Accumulating evidence has demonstrated that tumor necrosis factor receptor-associated factor 4 (TRAF4), an adaptor protein, is involved in the carcinogenesis and progression of several tumor types. However, the function of TRAF4 in predicting prognosis, and mediating migration and invasion of ICC remains to be elucidated. In the present study, immunohistochemistry, western blotting and reverse transcription-quantitative polymerase chain reaction assays were used to determine that the expression of TRAF4 at the mRNA and protein levels in ICC tissues was significantly higher compared with that in non‑tumor tissues. The overexpression of TRAF4 was positively correlated with poor differentiation, regional lymphatic metastasis, and high tumor‑node-metastasis staging. Inhibiting the expression of TRAF4 using small interfering RNA decreased the migration and invasion of ICC cells in vitro. In addition, the AKT inhibitor perifosine eliminated the effect of TRAF4 on the invasion and migration of ICC cells in vitro. Clinically, the overexpression of TRAF4 was correlated with shorter overall survival rate and elevated recurrence rate in patients with ICC. Furthermore, patients with ICC with a high expression of TRAF4 and lymphatic metastasis were closely associated with a poorer prognosis compared with the other groups. Multivariate analysis indicated that the overexpression of TRAF4 was an independent prognostic indicator for patients with ICC. It was identified that a high level of TRAF4 facilitated the invasiveness of ICC cells via the activation of AKT signaling. The overexpression of TRAF4 may be a prognostic biomarker and candidate therapeutic target for patients with ICC.
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Affiliation(s)
- Qiang Kang
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital, Kunming Medical University, Kunming, Yunnan 650106, P.R. China
| | - Hao Zou
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital, Kunming Medical University, Kunming, Yunnan 650106, P.R. China
| | - Lei Zhou
- Yunnan Key Laboratory of Stem Cells and Regenerative Medicine, Institute of Molecular and Clinical Medicine, Kunming Medical University, Kunming, Yunnan 650031, P.R. China
| | - Li-Xin Liu
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital, Kunming Medical University, Kunming, Yunnan 650106, P.R. China
| | - Jia-Bin Cai
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, P.R. China
| | - Nan Xie
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital, Kunming Medical University, Kunming, Yunnan 650106, P.R. China
| | - Wei-Hao Li
- Department of Orthodontics, School and Hospital of Stomatology, Kunming Medical University, Kunming, Yunnan 650500, P.R. China
| | - Chao Zhang
- School of Public Health, Kunming Medical University, Kunming, Yunnan 650500, P.R. China
| | - Wan-Hong Shi
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital, Kunming Medical University, Kunming, Yunnan 650106, P.R. China
| | - Lian-Min Wang
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital, Kunming Medical University, Kunming, Yunnan 650106, P.R. China
| | - Wei-Han Zhang
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital, Kunming Medical University, Kunming, Yunnan 650106, P.R. China
| | - Hong Zhu
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital, Kunming Medical University, Kunming, Yunnan 650106, P.R. China
| | - Shu-Fen Wang
- Yunnan Key Laboratory of Stem Cells and Regenerative Medicine, Institute of Molecular and Clinical Medicine, Kunming Medical University, Kunming, Yunnan 650031, P.R. China
| | - Xiao-Wen Zhang
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital, Kunming Medical University, Kunming, Yunnan 650106, P.R. China
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21
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Liu S, Ge X, Su L, Zhang A, Mou X. MicroRNA-454 inhibits non‑small cell lung cancer cells growth and metastasis via targeting signal transducer and activator of transcription-3. Mol Med Rep 2017; 17:3979-3986. [PMID: 29286124 DOI: 10.3892/mmr.2017.8350] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Accepted: 04/10/2017] [Indexed: 11/05/2022] Open
Abstract
Lung cancer is one of the most common type of cancers and the leading cause of cancer‑related mortality worldwide. Non-small cell lung cancer (NSCLC) accounts for >80% of lung cancer cases. Emerging studies have suggested that microRNAs are dysregulated in NSCLC and serve important roles in NSCLC initiation and development. However, to the best of our knowledge, the expression, roles and molecular mechanism of microRNA‑454 (miR‑454) have not been investigated in NSCLC. In the present study, miR‑454 was demonstrated to be significantly downregulated in NSCLC tissues and cell lines, as assessed by western blot analysis and reverse transcription‑quantitative polymerase chain reaction. Reduced miR‑454 expression was significantly correlated with aggressive clinicopathological features in NSCLC. In addition, upregulation of miR‑454 suppressed proliferation, migration and invasion NSCLC cells, as assessed by Cell Counting Kit‑8 and in vitro migration and invasion assays, respectively. Furthermore, bioinformatics analysis identified STAT3 as a direct target gene of miR‑454, and STAT3 knockdown was demonstrated to simulate the effects of miR‑454 overexpression in NSCLC. In conclusion, the present study provided convincing evidence that miR‑454 is downregulated in NSCLC, and regulates growth and metastasis by directly targeting STAT3, which suggests that miR‑454 may be an efficient therapeutic target for NSCLC.
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Affiliation(s)
- Shuliang Liu
- Department of Thoracic Surgery, Yantaishan Hospital, Yantai, Shandong 264001, P.R. China
| | - Xingping Ge
- Department of Radiotherapy, Yantaishan Hospital, Yantai, Shandong 264001, P.R. China
| | - Lingfei Su
- Department of Radiotherapy, Yantaishan Hospital, Yantai, Shandong 264001, P.R. China
| | - Aifeng Zhang
- Department of Outpatient, Yantaishan Hospital, Yantai, Shandong 264001, P.R. China
| | - Xuri Mou
- Department of Thoracic Surgery, Yantaishan Hospital, Yantai, Shandong 264001, P.R. China
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22
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Shen X, Zuo X, Zhang W, Bai Y, Qin X, Hou N. MiR-370 promotes apoptosis in colon cancer by directly targeting MDM4. Oncol Lett 2017; 15:1673-1679. [PMID: 29434862 PMCID: PMC5776932 DOI: 10.3892/ol.2017.7524] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2017] [Accepted: 10/16/2017] [Indexed: 12/19/2022] Open
Abstract
MicroRNA (miR)-370 functions as a tumor suppressor or promoter in several cancers. However, the expression and biological role of miR-370 in colon cancer remains undefined. In the present study, miR-370 expression in both normal and malignant colon tissues was quantified by quantitative polymerase chain reaction. An in vitro cell viability and apoptosis assay and an in vitro xenograft tumor model were employed to investigate the role of miR-370 on colon cancer growth. Furthermore, the potential direct target of miR-370 was identified using a luciferase assay. Our results demonstrate that down-regulation of miR-370 expression occurs in malignant tissues and miR-370 expression is inversely correlated with tumor grade. Moreover, we determined that miR-370 functions as a tumor suppressor in colon cancer by inhibiting cell proliferation and promoting cell apoptosis. In addition, overexpression of miR-370 impairs xenograft tumor growth in nude mice. Mechanistically, mouse double minute 4 (MDM4) was demonstrated to be a potential direct target of miR-370, inducing apoptosis in colon cancer. Collectively, these findings suggest that upregulation of miR-370 may impair colon tumor growth by directly targeting MDM4. These findings provide a new direction for the diagnosis and treatment of colon cancer.
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Affiliation(s)
- Xiaogang Shen
- Department of Gastrointestinal Surgery, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, Sichuan 610041, P.R. China
| | - Xiaofei Zuo
- Department of Gastrointestinal Surgery, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, Sichuan 610041, P.R. China
| | - Wenjin Zhang
- Department of Clinical Medicine, Chengdu Medical College, Chengdu, Sichuan 610083, P.R. China
| | - Yifeng Bai
- Department of Oncology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, Sichuan 610041, P.R. China
| | - Xianpeng Qin
- Department of Gastrointestinal Surgery, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, Sichuan 610041, P.R. China
| | - Nengyi Hou
- Department of Gastrointestinal Surgery, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, Sichuan 610041, P.R. China
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23
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MicroRNA-370 inhibits the growth and metastasis of lung cancer by down-regulating epidermal growth factor receptor expression. Oncotarget 2017; 8:88139-88151. [PMID: 29152147 PMCID: PMC5675699 DOI: 10.18632/oncotarget.21537] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Accepted: 07/25/2017] [Indexed: 12/13/2022] Open
Abstract
Abnormal microRNA-370 (miR-370) expression has been frequently reported in several types of cancers, including lung cancer. However, the role and molecular mechanisms of miR-370 in regulating the growth and metastasis of lung cancer have not been clarified. Here, we show higher levels of epidermal growth factor receptor (EGFR), but lower levels of miR-370 expression in most human lung cancer cells and non-tumor cells. Induction of miR-370 over-expression significantly reduced the levels of EGFR expression and the EGFR 3′untranslated region (UTR)-regulated luciferase activity in XWLC-05 and H157 cells, suggesting that miR-370 may bind to the 3′UTR of EGFR mRNA. Compared with the control cells, induction of miR370 overexpression significantly inhibited the proliferation, clone formation capacity, migration and invasion of XWLC-05 and H157 cells while miR-370 inhibitor over-expression enhanced their tumor behaviors in vitro. Furthermore, miR-370 over-expression down-regulated the EGFR and hypoxia-inducible factor (HIF)-1α expression, and attenuated the extracellular single-regulated kinase (ERK)1/2 and AKT phosphorylation in XWLC-05 and H157 cells. In contrast, miR370 inhibitor over-expression increased the EGFR and HIF-1α expression as well as the ERK1/2 and AKT phosphorylation in XWLC-05 and H157 cells. Moreover, miR-370 over-expression significantly reduced the levels of EGFR and CD31 expression and inhibited the growth and lung metastasis of xenograft NSCLC tumors in mice. Our study indicates that miR-370 may bind to the 3′UTR of EGFR to inhibit EGFR expression and the growth, angiogenesis and metastasis of non-small cell lung cancer by down-regulating the ERK1/2 and AKT signaling.
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24
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Li C, Ge Q, Liu J, Zhang Q, Wang C, Cui K, Chen Z. Effects of miR-1236-3p and miR-370-5p on activation of p21 in various tumors and its inhibition on the growth of lung cancer cells. Tumour Biol 2017. [PMID: 28631573 DOI: 10.1177/1010428317710824] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Affiliation(s)
- Chuanchang Li
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qiangqiang Ge
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Urology, Zhongnan Hospital, Wuhan University, Wuhan, China
| | - Jiaxuan Liu
- Department of Pathology, Changzheng Hospital, The Second Military Medical University, Shanghai, China
| | - Qingsong Zhang
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chenghe Wang
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Urology, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Kai Cui
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhong Chen
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Ning T, Zhang H, Wang X, Li S, Zhang L, Deng T, Zhou L, Liu R, Wang X, Bai M, Ge S, Li H, Huang D, Ying G, Ba Y. miR-370 regulates cell proliferation and migration by targeting EGFR in gastric cancer. Oncol Rep 2017; 38:384-392. [DOI: 10.3892/or.2017.5660] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Accepted: 12/30/2016] [Indexed: 11/06/2022] Open
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Zhu J, Zhu F, Song W, Zhang B, Zhang X, Jin X, Li H. Altered miR-370 expression in hepatic ischemia-reperfusion injury correlates with the level of nuclear kappa B (NF-κB) related factors. Gene 2016; 607:23-30. [PMID: 28043920 DOI: 10.1016/j.gene.2016.12.026] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Revised: 12/20/2016] [Accepted: 12/23/2016] [Indexed: 01/24/2023]
Abstract
BACKGROUND & AIMS MicroRNAs (miRNAs) are a class of small endogenous, non-coding RNAs that regulate gene expression at both the transcription and translation levels. Whether miRNAs have taken part in liver ischemia-reperfusion (IR) injury was rarely reported. The purpose of this article is to investigate the potential role of miR-370 in hepatic IR injury. METHODS Male C57BL/6 mice were divided into 5 groups (sham-operated group, I/R group, IPC group, antagomir-370 group and antagomir-NC), and the expression levels of miR-370 were assessed by quantitative real-time PCR. Serum enzyme analysis and histological examination of liver were used as the index of the effect of miR-370 on hepatic IR injury and following treatment of mice with antagomir-370 or antagomir-NC. The classical pathway factors of NF-κB (TAK1, TAB1, TAB2, IkBα, IKKα, IKKβ, p50, p65) were studied by quantitative real-time PCR and Western blot. RESULTS The results showed that the IR group's miR-370 expression level was significantly upregulated as compared with the sham-operated group and IPC group. Also inhibition of miR-370 led to the low expression levels of miR-370 and low levels of serum aminotransferase and hepatic histological damage as compared with the IR group. Quantitative real-time PCR showed the levels of TAK1, TAB1, TAB2, IkBα, IKKα, p65 was elevated when improving the miR-370 levels, at the same time, Western blot showed the levels of TAK1, TAB1, TAB2, IkBα, IKKα, IKKβ, p50, p65 were all elevated. CONCLUSION miR-370 acting via NF-κB might play a crucial role in hepatic IR injury, and inhibition of miR-370 could alleviate the injury to the liver. And miR-370 might positively regulated the NF-κB pathway.
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Affiliation(s)
- Jie Zhu
- College of Medicine, Ningbo University, China
| | - Fangfang Zhu
- Ningbo Medical Centre of LIHuiLi Hospital, China
| | - Wenfeng Song
- The First Affiliated Hospital, College Of Medicine, Zhejiang University
| | - Bin Zhang
- Ningbo Medical Centre of LIHuiLi Hospital, China
| | - Xie Zhang
- Ningbo Medical Centre of LIHuiLi Hospital, China
| | | | - Hong Li
- Ningbo Medical Centre of LIHuiLi Hospital, China.
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The significance of microRNAs in the course of rDD. Pharmacol Rep 2016; 69:206-212. [PMID: 28073061 DOI: 10.1016/j.pharep.2016.10.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2016] [Revised: 10/10/2016] [Accepted: 10/12/2016] [Indexed: 12/13/2022]
Abstract
BACKGROUND In recent years, special attention in genetic studies dedicated to the development of various diseases, including mental disorders, has been paid to micro ribonucleic acids (miRNA, microRNA). As an object of our analysis we have selected the miRNAs which - due to the profile of their activity - may be significant in the aetiology and course of recurrent depressive disorders, i.e. miRNA-370, miRNA-411, miRNA-433, miRNA-487b and miRNA-539. METHODS The examined population included 138 patients suffering from depression and 95 individuals from the control group (CG). The subjects suffering from depression were divided into two sub-groups: ED-I group (46 patients), rDD group (92 patients). RESULTS No significant statistical differences were observed between the ED-I and rDD group for all the variables included in the analysis. No significant interrelation was noticed between the number of depression episodes, the severity of depressive disorders and the expression of miRNA selected. Results of the analysis indicate statistically significant differences between the control subjects and the patients with symptoms of depression in terms of all the variables analysed. CONCLUSIONS 1. There is no significant difference in miRNAs expression between patients with recurrent depressive disorders and those in the first episode of depression. 2. The differences in terms of expression of the analysed variables between the subjects with symptoms of depression and healthy individuals were confirmed.
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Up-regulation of miR-370-3p restores glioblastoma multiforme sensitivity to temozolomide by influencing MGMT expression. Sci Rep 2016; 6:32972. [PMID: 27595933 PMCID: PMC5011744 DOI: 10.1038/srep32972] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Accepted: 08/17/2016] [Indexed: 01/09/2023] Open
Abstract
MicroRNAs (miRNA) are believed to play an important role in glioblastoma multiforme (GBM)chemotherapy. Our study aims to investigate potential miRNA biomarkers in GBM. Sixty GBM patients, which were given temozolomide (TMZ) chemotherapy and recurrent radiotherapy, were recruited. miRNA array was performed in cancerous and in paired normal tissues. Microarray results were further validated by a quantitative real-time PCR in selected tissues and GBM cell lines. TMZ resistance cells were developed and cell proliferation along with colony formation assays was determined. Our study employed H2AX formation and flow cytometry to analyse the role of miRNA in DNA damage and apoptosis. Our study illustrated 16 miRNA in which 9 were up-regulated and 7 down-regulated. and their differential expression were demonstrated in a recurrent GBM tissue. Among them, miRNA-370-3p demonstrated the highest level of down- regulation in tissues and in TMZ resistance cells. miRNA-370-3p mimic increased its expression and sensitivity of GBM cells to TMZ by suppressing the self-reparative ability of tumour cell DNA. O6-methylguanine-DNA methyltransferase (MGMT) was identified as the direct target gene of miR-370-3p, and it was found to be inversely correlated with miR-370-3p expression in tissue samples obtained. Thus, our study demonstrated a critical clinical role of an up-regulated miR-370-3p expression in glioblastoma multiforme chemotherapy sensitivity.
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Zhu J, Zhang B, Song W, Zhang X, Wang L, Yin B, Zhu F, Yu C, Li H. A literature review on the role of miR-370 in disease. GENE REPORTS 2016. [DOI: 10.1016/j.genrep.2016.02.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Zeng Y, Fu M, Wu GW, Zhang AZ, Chen JP, Lin HY, Fu YA, Jia J, Cai ZD, Wu XJ, Lan P. Upregulation of microRNA-370 promotes cell apoptosis and inhibits proliferation by targeting PTEN in human gastric cancer. Int J Oncol 2016; 49:1589-99. [DOI: 10.3892/ijo.2016.3642] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Accepted: 07/06/2016] [Indexed: 11/06/2022] Open
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