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Spella M, Bochalis E, Athanasopoulou K, Chroni A, Dereki I, Ntaliarda G, Makariti I, Psarias G, Constantinou C, Chondrou V, Sgourou A. "Crosstalk between non-coding RNAs and transcription factor LRF in non-small cell lung cancer". Noncoding RNA Res 2024; 9:759-771. [PMID: 38577020 PMCID: PMC10990748 DOI: 10.1016/j.ncrna.2024.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 02/23/2024] [Accepted: 03/20/2024] [Indexed: 04/06/2024] Open
Abstract
Epigenetic approaches in direct correlation with assessment of critical genetic mutations in non-small cell lung cancer (NSCLC) are currently very intensive, as the epigenetic components underlying NSCLC development and progression have attained high recognition. In this level of research, established human NSCLC cell lines as well as experimental animals are widely used to detect novel biomarkers and pharmacological targets to treat NSCLC. The epigenetic background holds a great potential for the identification of epi-biomarkers for treatment response however, it is highly complex and requires precise definition as these phenomena are variable between NSCLC subtypes and systems origin. We engaged an in-depth characterization of non-coding (nc)RNAs prevalent in human KRAS-mutant NSCLC cell lines A549 and H460 and mouse KRAS-mutant NSCLC tissue by Next Generation Sequencing (NGS) and quantitative Real Time PCRs (qPCRs). Also, the transcription factor (TF) LRF, a known epigenetic silencer, was examined as a modulator of non-coding RNAs expression. Finally, interacting networks underlying epigenetic variations in NSCLC subtypes were created. Data derived from our study highlights the divergent epigenetic profiles of NSCLC of human and mouse origin, as well as the significant contribution of 12qf1: 109,709,060-109,747,960 mouse chromosomal region to micro-RNA upregulated species. Furthermore, the novel epigenetic miR-148b-3p/lncPVT1/ZBTB7A axis was identified, which differentiates human cell line of lung adenocarcinoma from large cell lung carcinoma, two characteristic NSCLC subtypes. The detailed recording of epigenetic events in NSCLC and combinational studies including networking between ncRNAs and TFs validate the identification of significant epigenetic features, prevailing in NSCLC subtypes and among experimental models. Our results enrich knowledge in the field and empower research on the epigenetic prognostic biomarkers of the disease progression, NSCLC subtypes discrimination and advancement to patient-tailored treatments.
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Affiliation(s)
- Magda Spella
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
- Department of Physiology, Faculty of Medicine, University of Patras, Rio, 26504, Greece
| | - Eleftherios Bochalis
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Katerina Athanasopoulou
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Argyri Chroni
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Irene Dereki
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Giannoula Ntaliarda
- Department of Physiology, Faculty of Medicine, University of Patras, Rio, 26504, Greece
| | - Ifigeneia Makariti
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Georgios Psarias
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Caterina Constantinou
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Vasiliki Chondrou
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
| | - Argyro Sgourou
- Biology Laboratory, School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
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Tang W, Luo J, Lin S, Xu J, Yan Q. Mechanism of PWAR6 regulating cisplatin drug sensitivity in non-small cell lung cancer through miR-577/PHACTR1. Gene 2024; 893:147954. [PMID: 37923092 DOI: 10.1016/j.gene.2023.147954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 10/10/2023] [Accepted: 10/31/2023] [Indexed: 11/07/2023]
Abstract
lncRNA Prader Willi/Angelman Region RNA 6 (PWAR6) is considered to play a protective lncRNA in glioma, but, the role of PWAR6 in the occurrence and cisplatin resistance of non-small cell lung cancer (NSCLC) is elusive. In the study, we aimed to assess the role of PWAR6 in the cisplatin resistance of NSCLC. Based on the oebiotech and TargetScanHuman database, we predicted the interaction between PWAR6, miR-577 and PHACTR1. We then used small interfering RNA (siRNA), miRNA mimics and dual-luciferase reporter assay to explore the regulatory role of PWAR6/miR-577PHACTR1. Based on the online database, miR-577 can interact with PWAR6 and PHACTR1. Soon afterwards, we observed that the expression of PWAR6 and PHACTR1 was increased, while miR-577 expression was decreased in A549/DDP cells. And the cell viability was decreased, while cell apoptosis was increased in A549/DDP cells. What's more, PWAR6 knockdown can promote the expression of miR-577 and inhibit the expression of PHACTR1. PWAR6 knockdown elevated cell proliferation and reduced cell apoptosis of A549/DDP cells. Interestingly, we found that miR-577 can interact with PHACTR1 to regulate the proliferation and apoptosis of A549/DDP cells. To conclude, we speculated that PWAR6 knockdown elevated cell proliferation and reduced cell apoptosis of A549/DDP cells via miR-577/PHACTR1, providing the theoretical basis for the clinical treatment of NSCLC patients.
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Affiliation(s)
- Wenjun Tang
- Department of Oncology, The Second Affiliated Hospital of Hainan Medical University, Haikou City, Hainan 570100, China.
| | - Jingru Luo
- Department of Oncology, The Second Affiliated Hospital of Hainan Medical University, Haikou City, Hainan 570100, China.
| | - Shu Lin
- Department of Oncology, The Second Affiliated Hospital of Hainan Medical University, Haikou City, Hainan 570100, China.
| | - Junnv Xu
- Department of Oncology, The Second Affiliated Hospital of Hainan Medical University, Haikou City, Hainan 570100, China.
| | - Qixing Yan
- Department of Pharmacy, The Second Affiliated Hospital of Hainan Medical University, Haikou City, Hainan 570100, China.
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Zhou J, Xiang H, Cao Z. Dual mechanism of Let-7i in tumor progression. Front Oncol 2023; 13:1253191. [PMID: 37829341 PMCID: PMC10565035 DOI: 10.3389/fonc.2023.1253191] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 09/06/2023] [Indexed: 10/14/2023] Open
Abstract
Let-7i regulates tumors primarily by binding to the 3' untranslated region (3' UTR) of mRNA, which indirectly regulates post-transcriptional gene expression. Let-7i also has an epigenetic function via modulating DNA methylation to directly regulate gene expression. Let-7i performs a dual role by inducing both the promotion and inhibition of various malignancies, depending on its target. The mechanism of Let-7i action involves cancer cell proliferation, migration, invasion, apoptosis, epithelial-mesenchymal transition, EV transmission, angiogenesis, autophagy, and drug resistance sensitization. Let-7i is closely related to cancer, and hence, is a potential biomarker for the diagnosis and prognosis of various cancers. Therapeutically, it can be used to promote an anti-cancer immune response by modifying exosomes, thus exerting a tumor-suppressive effect.
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Affiliation(s)
- Jiapei Zhou
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Hongjie Xiang
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Zhiqun Cao
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
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Wei C, Xu Y, Shen Q, Li R, Xiao X, Saw PE, Xu X. Role of long non-coding RNAs in cancer: From subcellular localization to nanoparticle-mediated targeted regulation. MOLECULAR THERAPY. NUCLEIC ACIDS 2023; 33:774-793. [PMID: 37655045 PMCID: PMC10466435 DOI: 10.1016/j.omtn.2023.07.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Long non-coding RNAs (lncRNAs) are a class of RNA transcripts more than 200 nucleotides in length that play crucial roles in cancer development and progression. With the rapid development of high-throughput sequencing technology, a considerable number of lncRNAs have been identified as novel biomarkers for predicting the prognosis of cancer patients and/or therapeutic targets for cancer therapy. In recent years, increasing evidence has shown that the biological functions and regulatory mechanisms of lncRNAs are closely associated with their subcellular localization. More importantly, based on the important roles of lncRNAs in regulating cancer progression (e.g., growth, therapeutic resistance, and metastasis) and the specific ability of nucleic acids (e.g., siRNA, mRNA, and DNA) to regulate the expression of any target genes, much effort has been exerted recently to develop nanoparticle (NP)-based nucleic acid delivery systems for in vivo regulation of lncRNA expression and cancer therapy. In this review, we introduce the subcellular localization and regulatory mechanisms of various functional lncRNAs in cancer and systemically summarize the recent development of NP-mediated nucleic acid delivery for targeted regulation of lncRNA expression and effective cancer therapy.
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Affiliation(s)
- Chunfang Wei
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan 528200, China
| | - Ya Xu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan 528200, China
| | - Qian Shen
- The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Rong Li
- The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Xiaoyun Xiao
- Department of Ultrasound, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Phei Er Saw
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan 528200, China
| | - Xiaoding Xu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan 528200, China
- The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, China
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Farzaneh M, Nasrolahi A, Ghaedrahmati F, Masoodi T, Najafi S, Sheykhi-Sabzehpoush M, Dari MAG, Radoszkiewicz K, Uddin S, Azizidoost S, Khoshnam SE. Potential roles of lncRNA-XIST/miRNAs/mRNAs in human cancer cells. Clin Transl Oncol 2023:10.1007/s12094-023-03110-y. [PMID: 36853400 DOI: 10.1007/s12094-023-03110-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 01/31/2023] [Indexed: 03/01/2023]
Abstract
Long non-coding RNAs (lncRNAs) are non-coding RNAs that contain more than 200 nucleotides but do not code for proteins. In tumorigenesis, lncRNAs can have both oncogenic and tumor-suppressive properties. X inactive-specific transcript (XIST) is a known lncRNA that has been implicated in X chromosome silencing in female cells. Dysregulation of XIST is associated with an increased risk of various cancers. Therefore, XIST can be a beneficial prognostic biomarker for human malignancies. In this review, we attempt to summarize the emerging roles of XIST in human cancers.
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Affiliation(s)
- Maryam Farzaneh
- Fertility, Infertility and Perinatology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ava Nasrolahi
- Infectious Ophthalmologic Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Farhoodeh Ghaedrahmati
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Tariq Masoodi
- Laboratory of Molecular and Metabolic Imaging, Cancer Research Department, Sidra Medicine, 26999, Doha, Qatar
| | - Sajad Najafi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Mahrokh Abouali Gale Dari
- Department of Obstetrics and Gynecology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Klaudia Radoszkiewicz
- Translational Platform for Regenerative Medicine, Mossakowski Medical Research Institute, Polish Academy of Sciences, Warsaw, Poland
| | - Shahab Uddin
- Translational Research Institute and Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | - Shirin Azizidoost
- Atherosclerosis Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Seyed Esmaeil Khoshnam
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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lncRNA-disease association prediction based on the weight matrix and projection score. PLoS One 2023; 18:e0278817. [PMID: 36595551 PMCID: PMC9810171 DOI: 10.1371/journal.pone.0278817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 11/25/2022] [Indexed: 01/04/2023] Open
Abstract
With the development of medical science, long noncoding RNA (lncRNA), originally considered as a noise gene, has been found to participate in a variety of biological activities. Several recent studies have shown the involvement of lncRNA in various human diseases, such as gastric cancer, prostate cancer, lung cancer, and so forth. However, obtaining lncRNA-disease relationship only through biological experiments not only costs manpower and material resources but also gains little. Therefore, developing effective computational models for predicting lncRNA-disease association relationship is extremely important. This study aimed to propose an lncRNA-disease association prediction model based on the weight matrix and projection score (LDAP-WMPS). The model used the relatively perfect lncRNA-miRNA relationship data and miRNA-disease relationship data to predict the lncRNA-disease relationship. The integrated lncRNA similarity matrix and the integrated disease similarity matrix were established by fusing various methods to calculate the similarity between lncRNA and disease. This study improved the existing weight algorithm, applied it to the lncRNA-miRNA-disease triple network, and thus proposed a new lncRNA-disease weight matrix calculation method. Combined with the improved projection algorithm, the lncRNA-miRNA relationship and miRNA-disease relationship were used to predict the lncRNA-disease relationship. The simulation results showed that under the Leave-One-Out-Cross-Validation framework, the area under the receiver operating characteristic curve of LDAP-WMPS could reach 0.8822, which was better than the latest result. Taking adenocarcinoma and colorectal cancer as examples, the LDAP-WMPS model was found to effectively infer the lncRNA-disease relationship. The simulation results showed good prediction performance of the LDAP-WMPS model, which was an important supplement to the research of lncRNA-disease association prediction without lncRNA-disease relationship data.
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Bai J, Li H, Chen X, Chen L, Hu Y, Liu L, Zhao Y, Zuo W, Zhang B, Yin C. LncRNA-AC009948.5 promotes invasion and metastasis of lung adenocarcinoma by binding to miR-186-5p. Front Oncol 2022; 12:949951. [PMID: 36059662 PMCID: PMC9437580 DOI: 10.3389/fonc.2022.949951] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 07/28/2022] [Indexed: 11/13/2022] Open
Abstract
Background Long non-coding RNAs (LncRNAs) has been confirmed to play a crucial role in the development and progression of various cancer types. Here we evaluated the expression profiles of LncRNAs in Lung adenocarcinoma (LUAD) tissues and identified a novel LncRNA, termed LncRNA-AC009948.5. However, the role and potential molecular mechanisms of this novel LncRNA in LUAD carcinogenesis is unknown. Methods Regarding the public databases and based on integrating bioinformatics analyses, we determined whether LncRNA-AC009948.5 exerts its oncogenic functions via sponging miR-186-5p in LUAD. Furthermore, we determined whether NCAPG2 was a downstream target of miR-186-5p. Moreover, the expression level and biological function of LncRNA-AC009948.5 in LUAD were determined by qRT-PCR, cell apoptosis, Edu, transwell, wound healing and western blot assays. Besides, xenograft mice were established for validation. We explored the expression of LncRNA-AC009948.5 and its roles in the prognosis of LUAD. Results LncRNA expression microarray data indicate that LncRNA-AC009948.5 is upregulated in LUAD samples. The present study confirmed the upregulation of LncRNA-AC009948.5 in LUAD tissues and cells. Encreased expression of LncRNA-AC009948.5 was correlated with tumor size, lymph nodes, distant metastasis and histological grade, and poor prognosis.LncRNA-AC009948.5 knockdown significantly inhibited cell proliferation, migration, and invasion in vitro, as well as tumorigenesis and metastasis in vivo. Conversely, LncRNA-AC009948.5 upregulated had opposite effects. Mechanistically, we elucidated that LncRNA-AC009948.5 could directly bind to miR-186-5p and subsequently suppress expression of the target gene of NCAPG2. Conclusions LncRNA-AC009948.5 promotes lung adenocarcinoma cells metastasis via the miR-186-5p/NCAPG2 axis and activation of the EMT process. Which may serve as potential targets for the treatment of LUAD in the future.
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Affiliation(s)
- Jun Bai
- Department of Pathology, Weifang Medical University, Weifang, China
| | - Hongli Li
- Experimental Center for Medicine Research, Weifang Medical University, Weifang, China
| | - Xinlu Chen
- Department of Pathology, Weifang Medical University, Weifang, China
| | - Lin Chen
- Department of Pathology, Weifang Medical University, Weifang, China
| | - Yaqiong Hu
- Department of Pathology, Weifang Medical University, Weifang, China
| | - Lu Liu
- Department of Pathology, Weifang Medical University, Weifang, China
| | - Yanqiao Zhao
- Department of Pathology, Weifang Medical University, Weifang, China
| | - Wei Zuo
- School of Clinical Medicine, Weifang Medical University, Weifang, China
| | - Baogang Zhang
- Department of Pathology, Weifang Medical University, Weifang, China
- *Correspondence: Chonggao Yin, ; Baogang Zhang,
| | - Chonggao Yin
- College of Nursing, Weifang Medical University, Weifang, China
- *Correspondence: Chonggao Yin, ; Baogang Zhang,
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Jiang M, Qi F, Zhang K, Zhang X, Ma J, Xia S, Chen L, Yu Z, Chen J, Chen D. MARCKSL1-2 reverses docetaxel-resistance of lung adenocarcinoma cells by recruiting SUZ12 to suppress HDAC1 and elevate miR-200b. Mol Cancer 2022; 21:150. [PMID: 35864549 PMCID: PMC9306054 DOI: 10.1186/s12943-022-01605-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 06/06/2022] [Indexed: 11/10/2022] Open
Abstract
Background Long non-coding RNAs (lncRNAs) are implicated in the development of multiple cancers. In our previous study, we demonstrated that HDAC1/4-mediated silencing of microRNA-200b (miR-200b) enhances docetaxel (DTX)-resistance of human lung adenocarcinoma (LAD) cells. Methods and results Herein, we probed the function of LncRNA MARCKSL1–2 (MARCKSL1-transcript variant 2, NR_052852.1) in DTX resistance of LAD cells. It was found that MARCKSL1–2 expression was markedly reduced in DTX-resistant LAD cells. Through gain- or loss- of function assays, colony formation assay, EdU assay, TUNEL assay, and flow cytometry analysis, we found that MARCKSL1–2 suppressed the growth and DTX resistance of both parental and DTX-resistant LAD cells. Moreover, we found that MARCKSL1–2 functioned in LAD through increasing miR-200b expression and repressing HDAC1. Mechanistically, MARCKSL1–2 recruited the suppressor of zeste 12 (SUZ12) to the promoter of histone deacetylase 1 (HDAC1) to strengthen histone H3 lysine 27 trimethylation (H3K27me3) of HDAC1 promoter, thereby reducing HDAC1 expression. MARCKSL1–2 up-regulated miR-200b by blocking the suppressive effect of HDAC1 on the histone acetylation modification at miR-200b promoter. Furthermore, in vivo analysis using mouse xenograft tumor model supported that overexpression of MARCKSL1–2 attenuated the DTX resistance in LAD tumors. Conclusions We confirmed that MARCKSL1–2 alleviated DTX resistance in LAD cells by abolishing the inhibitory effect of HDAC1 on miR-200b via the recruitment of SUZ12. MARCKSL1–2 could be a promising target to improve the chemotherapy of LAD. Graphical abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12943-022-01605-w.
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Affiliation(s)
- Min Jiang
- Department of Medical Oncology, The First Affiliated Hospital of Soochow University, No.188 Shizi Street, Gusu District, Suzhou, 215006, Jiangsu, China
| | - Feng Qi
- Department of Pharmacy, The Fourth Affiliated Hospital of Nantong University, Yancheng, 224005, Jiangsu, China
| | - Kai Zhang
- Department of Respiratory Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, Jiangsu, China
| | - Xiaofei Zhang
- Department of Medical Oncology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, No.160 Pujian Road, Pudong New District, Shanghai, 200127, China
| | - Jingjing Ma
- Department of Pharmacy, The First Affiliated Hospital of Soochow University, No.188 Shizi Street, Gusu District, Suzhou, 215006, Jiangsu, China
| | - Suhua Xia
- Department of Medical Oncology, The First Affiliated Hospital of Soochow University, No.188 Shizi Street, Gusu District, Suzhou, 215006, Jiangsu, China
| | - Longbang Chen
- Department of Medical Oncology, Nanjing Jinling Hospital, School of Medicine, Nanjing University, Nanjing, 210008, Jiangsu, China
| | - Zhengyuan Yu
- Department of Medical Oncology, The First Affiliated Hospital of Soochow University, No.188 Shizi Street, Gusu District, Suzhou, 215006, Jiangsu, China.
| | - Jing Chen
- Department of Biochemistry and Molecular Biology, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, No.138 Xianlin Avenue, Nanjing, 210023, Jiangsu, China.
| | - Dongqin Chen
- Department of Medical Oncology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, No.160 Pujian Road, Pudong New District, Shanghai, 200127, China. .,Department of Medical Oncology, Baoshan Branch, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, No.1058 Huanzhen North Road, Baoshan District, Shanghai, 200444, China. .,Department of Medical Oncology, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, No.42 Baiziting Road, Xuanwu District, Nanjing, 210009, Jiangsu, China.
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Wei Y, Yang J, Feng X, Akhavan-Sigari R. Cellular and Molecular Mechanism of Cell Proliferation in Human Gastric Cancer Drug-Resistant Cells After Hyperthermia and Cisplatin: Role of mRNAs and Long-Non-coding RNAs. THE TURKISH JOURNAL OF GASTROENTEROLOGY : THE OFFICIAL JOURNAL OF TURKISH SOCIETY OF GASTROENTEROLOGY 2022; 33:377-386. [PMID: 35678795 PMCID: PMC11158417 DOI: 10.5152/tjg.2022.20845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 07/27/2021] [Indexed: 06/15/2023]
Abstract
BACKGROUND Since thermo-chemotherapy was suggested as an effective treatment for gastric cancer, we aimed to evaluate the effects of hyperthermia combined with cisplatin (DDP) on the inhibition of human gastric cancer drug-resistant cells in vitro and explore its possible mechanisms. METHODS SGC-7901/DDP cells were cultured and divided into control, cisplatin, hyperthermia, and hyperthermia combined with cispla- tin groups. Hyperthermia was done at 42°C, 44°C, 46°C, 48°C, and 50°C for 12 h, 24 h, 36 h; 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl- 2H-tetrazolium bromide (MTT) assay detected the proliferation of SGC-7901/DDP at different time and temperature, and the apoptotic rate of SGC-7901/DDP cells was evaluated by using Annexin staining assay. High-throughput Chromatin immunoprecipitation (ChIP)- seq was applied to test long non-coding RNA expression in SGC-7901/DDP cells. Then, real-time fluorescence quantitative polymerase chain reaction was used to verify the expression of long non-coding RNA in all groups. RESULTS Double staining showed that hyperthermia combined with cisplatin increased the rate of early apoptosis of SGC-7901/DDP cells. Long non-coding RNA high-throughput ChIP-seq showed a significantly larger amount of long non-coding RNAs and mRNAs in the cells treated with hyperthermia combined cisplatin group in comparison with the control group. We observed that the upregulated mRNAs and long non-coding RNAs were highly related to immune system response and CD95 signaling pathway in nucleus, and down- regulated mRNAs and long non-coding RNA were highly related to Mammalian target of rapamycin (mTOR) and Tumor necrosis factor (TNF) receptor signaling pathway in cytoplasm. CONCLUSION Hyperthermia combined with cisplatin reversed the expression of a large number of mRNAs and long non-coding RNAs in human gastric cancer drug-resistant cells. The molecular mechanism of inhibiting the proliferation of human gastric cancer drug- resistant cells may be related to the upregulation of long non-coding RNAs and mRNAs contributed in CD95, mTOR, and TNF receptor signaling pathway.
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Affiliation(s)
- Ying Wei
- Department of Internal Medicine, Mashhad University of Medical Sciences Faculty of Medicine, Mashhad, Iran
- Department of Gastroenterology, Shangrao People’s Hospital, Jiangxi Province, China
| | - Jing Yang
- Department of Pathology, Shangrao People’s Hospital, Jiangxi Province, China
- Department of Gastroenterology, Shangrao People’s Hospital, Jiangxi Province, China
| | - Xiaoke Feng
- Department of Gastroenterology, Shangrao People’s Hospital, Jiangxi Province, China
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing City, China
| | - Reza Akhavan-Sigari
- Department of Pathology, Shangrao People’s Hospital, Jiangxi Province, China
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Loren P, Saavedra N, Saavedra K, De Godoy Torso N, Visacri MB, Moriel P, Salazar LA. Contribution of MicroRNAs in Chemoresistance to Cisplatin in the Top Five Deadliest Cancer: An Updated Review. Front Pharmacol 2022; 13:831099. [PMID: 35444536 PMCID: PMC9015654 DOI: 10.3389/fphar.2022.831099] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 03/16/2022] [Indexed: 12/02/2022] Open
Abstract
Cisplatin (DDP) is a well-known anticancer drug used for the treatment of numerous human cancers in solid organs, including bladder, breast, cervical, head and neck squamous cell, ovarian, among others. Its most important mode of action is the DNA-platinum adducts formation, inducing DNA damage response, silencing or activating several genes to induce apoptosis; these mechanisms result in genetics and epigenetics modifications. The ability of DDP to induce tumor cell death is often challenged by the presence of anti-apoptotic regulators, leading to chemoresistance, wherein many patients who have or will develop DDP-resistance. Cancer cells resist the apoptotic effect of chemotherapy, being a problem that severely restricts the successful results of treatment for many human cancers. In the last 30 years, researchers have discovered there are several types of RNAs, and among the most important are non-coding RNAs (ncRNAs), a class of RNAs that are not involved in protein production, but they are implicated in gene expression regulation, and representing the 98% of the human genome non-translated. Some ncRNAs of great interest are long ncRNAs, circular RNAs, and microRNAs (miRs). Accumulating studies reveal that aberrant miRs expression can affect the development of chemotherapy drug resistance, by modulating the expression of relevant target proteins. Thus, identifying molecular mechanisms underlying chemoresistance development is fundamental for setting strategies to improve the prognosis of patients with different types of cancer. Therefore, this review aimed to identify and summarize miRs that modulate chemoresistance in DDP-resistant in the top five deadliest cancer, both in vitro and in vivo human models.
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Affiliation(s)
- Pía Loren
- Center of Molecular Biology and Pharmacogenetics, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco, Chile
| | - Nicolás Saavedra
- Center of Molecular Biology and Pharmacogenetics, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco, Chile
| | - Kathleen Saavedra
- Center of Molecular Biology and Pharmacogenetics, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco, Chile
| | | | | | - Patricia Moriel
- Faculty of Pharmaceutical Sciences, University of Campinas, Campinas, Brazil
| | - Luis A Salazar
- Center of Molecular Biology and Pharmacogenetics, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco, Chile
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Guo J, Du X, Li C. BAG family proteins contributes to autophagy-mediated multidrug resistance of tumor. Clin Transl Oncol 2022; 24:1492-1500. [PMID: 35278199 DOI: 10.1007/s12094-022-02819-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 02/22/2022] [Indexed: 12/13/2022]
Abstract
Multidrug resistance (MDR) is a significant cause of tumor treatment failure. Accumulating evidence suggests that autophagy plays a significant role in the development of MDR. Autophagy is a conserved mechanism that maintains tumor homeostasis by removing damaged mitochondria. However, the specific regulatory mechanism is unclear. Here, we summarize recent studies on the role of autophagy in the development of MDR and the initiation of mitophagy by Bcl-2-associated athanogene (BAG) family proteins. Additionally, this mini-review emphasizes the regulatory role of BAG family proteins, which maintain mitochondrial homeostasis by regulating the PINK1/Parkin pathway. Elucidation of the regulatory mechanisms of mitophagy may foster the development of clinical therapeutic strategies for MDR tumors.
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Affiliation(s)
- Jufang Guo
- Department of Obstetrics and Gynecology, Jinniu District Maternal and Child Health Hospital, Chengdu, China
| | - Xuelian Du
- Department of Obstetrics and Gynecology, Jinniu District Maternal and Child Health Hospital, Chengdu, China
| | - Chaolin Li
- Department of Obstetrics and Gynecology, Jinniu District Maternal and Child Health Hospital, Chengdu, China.
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12
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Yang J, Qi M, Fei X, Wang X, Wang K. Long non-coding RNA XIST: a novel oncogene in multiple cancers. Mol Med 2021; 27:159. [PMID: 34930117 PMCID: PMC8686246 DOI: 10.1186/s10020-021-00421-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 12/06/2021] [Indexed: 01/01/2023] Open
Abstract
Long non-coding RNA (lncRNA) X-inactive specific transcript (XIST) is an important lncRNA derived from the XIST gene in mammals. XIST is abnormally expressed in numerous tumors, in most of which XIST functions as an oncogene. XIST is involved in multiple aspects of carcinogenesis, including tumor onset, progression, and prognosis. In our review, we collected and analyzed the recent studies on the impact of XIST in human tumor development. The multilevel molecular functions of XIST in human tumors are comprehensively reviewed to clarify the pathologic mechanisms and to offer a novel direction for further study.
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Affiliation(s)
- Jun Yang
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Manlong Qi
- Department of Clinical Genetics, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Xiang Fei
- Department of Urology, Shengjing Hospital of China Medical University, #36 Sanhao Street, Heping, Liaoning, 110004, Shenyang, China
| | - Xia Wang
- Department of Urology, Shengjing Hospital of China Medical University, #36 Sanhao Street, Heping, Liaoning, 110004, Shenyang, China
| | - Kefeng Wang
- Department of Urology, Shengjing Hospital of China Medical University, #36 Sanhao Street, Heping, Liaoning, 110004, Shenyang, China.
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13
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Zhang J, Ma D, Kang H, Zhao J, Yang M. Long noncoding RNA LINC01287 promotes proliferation and inhibits apoptosis of lung adenocarcinoma cells via the miR-3529-5p/RNASEH2A axis under the competitive endogenous RNA pattern. ENVIRONMENTAL TOXICOLOGY 2021; 36:2093-2104. [PMID: 34254728 DOI: 10.1002/tox.23325] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 04/26/2021] [Accepted: 06/27/2021] [Indexed: 06/13/2023]
Abstract
Lung adenocarcinoma (LUAD) is regarded as the most common type of lung cancer. The molecular targeted therapies for LUAD have being extensively studied. Ribonuclease H2 subunit A (RNASEH2A) is a nucleotide degrading enzyme gene that exerts great influence on cell proliferation, DNA replication and genomic stability. According to bioinformatics analysis, RNASEH2A expression in LUAD tissues is predicted to be upregulated and high expression of RNASEH2A might be related to lower survival rate in LUAD patients. In the present study, we investigated functions of RNASEH2A in LUAD. The mRNA RNASEH2A showed high expression in LUAD cells, and its knockdown inhibited proliferation and induced apoptosis in LUAD cells. RNASEH2A was found to be a target gene of microRNA miR-3529-5p after their expression levels and interaction being examined. Long noncoding RNA LINC01287 upregulated RNASEH2A expression in LUAD cells by combining with miR-3529-5p in a competitive way. Rescue assays revealed that the overexpression of RNASEH2A reversed the suppression of cell proliferation and the promotion of cell apoptosis induced by miR-3529-5p overexpression or LINC01287 knockdown. Finally, forkhead box A1 (FOXA1) interacted with RNASEH2A promoter and LINC01287 promoter to upregulate the expression levels of RNASEH2A and LINC01287 in LUAD cells. Overall, FOXA1-induced LINC01287 serves as a competing endogenous RNA to promote proliferation and inhibit apoptosis of LUAD cells via upregulation of RNASEH2A expression at the posttranscriptional level by competitively combining with miR-3529-5p.
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Affiliation(s)
- Jing Zhang
- Department of Oncology, Liaocheng People's Hospital, Liaocheng, China
| | - Dan Ma
- Department of Oncology, Liaocheng People's Hospital, Liaocheng, China
| | - Honggang Kang
- Department of Oncology, Liaocheng People's Hospital, Liaocheng, China
| | - Jun Zhao
- Department of Oncology, Liaocheng People's Hospital, Liaocheng, China
| | - Mengxiang Yang
- Department of Oncology, Liaocheng People's Hospital, Liaocheng, China
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Li Y, Wang L, Xu X, Sun H, Wu L. LncRNA HLA Complex Group 11 Knockdown Alleviates Cisplatin Resistance in Gastric Cancer by Targeting the miR-144-3p/UBE2D1 Axis. Cancer Manag Res 2021; 13:7543-7557. [PMID: 34629901 PMCID: PMC8493275 DOI: 10.2147/cmar.s329846] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 09/20/2021] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVE Cisplatin (DDP) treatment is one of the most predominant chemotherapeutic strategies for patients with gastric cancer (GC). LncRNA noncoding RNA HLA complex group 11 (lncRNA HCG11) has been confirmed to promote GC progression. This study attempted to investigate the underlying molecular mechanism of HCG11 in DDP resistance of GC. METHODS qRT-PCR was performed to evaluate the expression of HCG11, microRNA-144-3p (miR-144-3p), and ubiquitin-conjugating enzyme E2 D1 (UBE2D1) in GC. The correlation between HCG11 and clinicopathological features of GC patients was assessed. DDP-resistant GC cells and their parental cells were cultured in different concentrations of DDP. The role of HCG11 for the viability and the half maximal inhibitory concentration (IC50) of DDP in DDP-resistant GC cells was determined by MTT assay. Then, the invasion of DDP-resistant GC cells was measured by transwell assay. Next, a dual-luciferase reporter assay was used to confirm the interactions among HCG11, miR-144-3p, and UBE2D1 in GC. RESULTS The expression of HCG11 and UBE2D1 was elevated in tumor tissues of GC patients, but miR-144-3p was declined. HCG11 expression was elevated in DDP-resistant GC patients and is strongly correlated with DDP sensitivity and World Health Organization grade in GC patients. HCG11 knockdown reduced the viability, IC50 of DDP, and invasion of DDP-resistant GC cells. Additionally, HCG11 targeted miR-144-3p and miR-144-3p further targeted UBE2D1. Feedback experiments indicated that low expression of miR-144-3p or overexpression of UBE2D1 mitigated the inhibitory effect of HCG11 depletion on DDP resistance of GC cells. CONCLUSION HCG11 knockdown attenuated DDP resistance of GC cells through via miR-144-3p/UBE2D1 axis, affording a novel therapeutic strategy for GC.
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Affiliation(s)
- Yu Li
- Department of Oncology, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin City, Heilongjiang Province, 150040, People’s Republic of China
| | - Liqin Wang
- Nursing Teaching and Research Department, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin City, Heilongjiang Province, 150040, People’s Republic of China
| | - Xiaoyi Xu
- Department of Medical Laboratory, First Clinical Medical College, Mudanjiang Medical University, Mudanjiang City, Heilongjiang Province, 157011, People’s Republic of China
| | - Heng Sun
- Department of Oncology, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin City, Heilongjiang Province, 150040, People’s Republic of China
| | - Leilei Wu
- Pharmacy Laboratory, College of Pharmacy, Mudanjiang Medical University, Mudanjiang City, Heilongjiang Province, 157011, People’s Republic of China
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15
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Zhou S, Yu X, Wang M, Meng Y, Song D, Yang H, Wang D, Bi J, Xu S. Long Non-coding RNAs in Pathogenesis of Neurodegenerative Diseases. Front Cell Dev Biol 2021; 9:719247. [PMID: 34527672 PMCID: PMC8435612 DOI: 10.3389/fcell.2021.719247] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 08/11/2021] [Indexed: 12/19/2022] Open
Abstract
Emerging evidence addresses the link between the aberrant epigenetic regulation of gene expression and numerous diseases including neurological disorders, such as Alzheimer’s disease (AD), Parkinson’s disease (PD), amyotrophic lateral sclerosis (ALS), and Huntington’s disease (HD). LncRNAs, a class of ncRNAs, have length of 200 nt or more, some of which crucially regulate a variety of biological processes such as epigenetic-mediated chromatin remodeling, mRNA stability, X-chromosome inactivation and imprinting. Aberrant regulation of the lncRNAs contributes to pathogenesis of many diseases, such as the neurological disorders at the transcriptional and post-transcriptional levels. In this review, we highlight the latest research progress on the contributions of some lncRNAs to the pathogenesis of neurodegenerative diseases via varied mechanisms, such as autophagy regulation, Aβ deposition, neuroinflammation, Tau phosphorylation and α-synuclein aggregation. Meanwhile, we also address the potential challenges on the lncRNAs-mediated epigenetic study to further understand the molecular mechanism of the neurodegenerative diseases.
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Affiliation(s)
- Shiyue Zhou
- Department of Neurology, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xiao Yu
- Department of Nutrition, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Min Wang
- Department of Neurology, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yujie Meng
- Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Dandan Song
- Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Hui Yang
- Department of Neurology, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Dewei Wang
- Department of Neurology, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Jianzhong Bi
- Department of Neurology, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Shunliang Xu
- Department of Neurology, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
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Zhang H, Xia J, Hu Q, Xu L, Cao H, Wang X, Cao M. Long non‑coding RNA XIST promotes cerebral ischemia/reperfusion injury by modulating miR‑27a‑3p/FOXO3 signaling. Mol Med Rep 2021; 24:566. [PMID: 34254504 PMCID: PMC8201472 DOI: 10.3892/mmr.2021.12205] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 03/30/2021] [Indexed: 11/06/2022] Open
Abstract
Cerebral ischemia/reperfusion (I/R) injury leads to neuronal damage, which may cause disability and even mortality. Multiple studies have revealed that long non‑coding RNAs (lncRNAs) serve pivotal roles in the pathogenesis of cerebral I/R injury. Therefore, the present study aimed to investigate whether the lncRNA X inactivate‑specific transcript (XIST) protects neuronal cells from cerebral I/R injury. In the present study, reverse transcription‑quantitative PCR demonstrated that XIST expression was upregulated in the brain tissues of an I/R mouse model and in oxygen and glucose deprivation/reperfusion (OGD/R)‑treated Neuro‑2a (N2a) cells. Knockdown of XIST alleviated cerebral injury, as well as reduced N2a cell apoptosis and reactive oxygen species (ROS) production. Additionally, luciferase reporter and RNA immunoprecipitation assays identified that XIST could bind with microRNA (miR)‑27a‑3p. It was found that miR‑27a‑3p expression was downregulated in the brain tissues of an I/R mouse model and in OGD/R‑induced N2a cells. In addition, miR‑27a‑3p overexpression attenuated I/R‑induced cerebral injury, and inhibited the apoptosis and ROS production of N2a cells. miR‑27a‑3p was found to target FOXO3. Silencing of FOXO3 alleviated cerebral injury, as well as inhibited N2a cell apoptosis and ROS production. Collectively, these findings indicated that XIST aggravated cerebral I/R injury by regulating miR‑27a‑3p/FOXO3 signaling, which may provide a novel insight into the treatment of cerebral I/R injury.
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Affiliation(s)
- Hua Zhang
- Department of Neurosurgery, China Resources & WISCO General Hospital (CR & WISCO General Hospital Affiliated to Wuhan University of Science and Technology), Wuhan, Hubei 430080, P.R. China
| | - Junyong Xia
- Department of Neurosurgery, China Resources & WISCO General Hospital (CR & WISCO General Hospital Affiliated to Wuhan University of Science and Technology), Wuhan, Hubei 430080, P.R. China
| | - Qiushan Hu
- Department of Neurosurgery, China Resources & WISCO General Hospital (CR & WISCO General Hospital Affiliated to Wuhan University of Science and Technology), Wuhan, Hubei 430080, P.R. China
| | - Liqin Xu
- Department of Neurosurgery, China Resources & WISCO General Hospital (CR & WISCO General Hospital Affiliated to Wuhan University of Science and Technology), Wuhan, Hubei 430080, P.R. China
| | - Hongyan Cao
- Department of Neurosurgery, China Resources & WISCO General Hospital (CR & WISCO General Hospital Affiliated to Wuhan University of Science and Technology), Wuhan, Hubei 430080, P.R. China
| | - Xu Wang
- Department of Neurosurgery, China Resources & WISCO General Hospital (CR & WISCO General Hospital Affiliated to Wuhan University of Science and Technology), Wuhan, Hubei 430080, P.R. China
| | - Min Cao
- Department of Neurosurgery, China Resources & WISCO General Hospital (CR & WISCO General Hospital Affiliated to Wuhan University of Science and Technology), Wuhan, Hubei 430080, P.R. China
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17
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Shen Y, Lin Y, Liu K, Chen J, Zhong J, Gao Y, Yuan C. XIST: A Meaningful Long Noncoding RNA in NSCLC Process. Curr Pharm Des 2021; 27:1407-1417. [PMID: 33267757 DOI: 10.2174/1381612826999201202102413] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 11/01/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND A number of studies have proposed that lncRNA XIST plays a role in the development and chemosensitivity of NSCLC. Besides, XIST may become a potential therapeutic target for NSCLC patients. The aim of this review is to reveal the biological functions and exact mechanisms of XIST in NSCLC. METHODS In this review, relevant researches involving the relationship between XIST and NSCLC are collected through systematic retrieval of PubMed. RESULTS XIST is an oncogene in NSCLC and is abnormally upregulated in NSCLC tissues. Considerable evidence has shown that XIST plays a critical role in the proliferation, invasion, migration, apoptosis and chemosensitivity of NSCLC cells. XIST mainly functions as a ceRNA in the NSCLC process, while XIST also functions at transcriptional levels. CONCLUSION LncRNA XIST has the potential to become a novel biomolecular marker of NSCLC and a therapeutic target for NSCLC.
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Affiliation(s)
- Yujie Shen
- College of Medical Science, China Three Gorges University, Yichang 443002, China
| | - Yexiang Lin
- College of Medical Science, China Three Gorges University, Yichang 443002, China
| | - Kai Liu
- College of Medical Science, China Three Gorges University, Yichang 443002, China
| | - Jinlan Chen
- College of Medical Science, China Three Gorges University, Yichang 443002, China
| | - Juanjuan Zhong
- College of Medical Science, China Three Gorges University, Yichang 443002, China
| | - Yisong Gao
- College of Medical Science, China Three Gorges University, Yichang 443002, China
| | - Chengfu Yuan
- College of Medical Science, China Three Gorges University, Yichang 443002, China
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Ghafouri-Fard S, Dashti S, Farsi M, Taheri M, Mousavinejad SA. X-Inactive-Specific Transcript: Review of Its Functions in the Carcinogenesis. Front Cell Dev Biol 2021; 9:690522. [PMID: 34179019 PMCID: PMC8226258 DOI: 10.3389/fcell.2021.690522] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 05/13/2021] [Indexed: 01/03/2023] Open
Abstract
X-inactive-specific transcript (XIST) is one of the firstly discovered long non-coding RNAs with prominent roles in the process of X inactivation. Moreover, this transcript contributes in the carcinogenic process in different tissues. In addition to interacting with chromatin modifying molecules, XIST can be served as a molecular sponge for miRNAs to modulate expression of miRNA targets. Most of the studies have indicated an oncogenic role for XIST. However, in prostate cancer, a single study has indicated a tumor suppressor role for this lncRNA. Similar result has been reported for XIST in oral squamous cell carcinoma. In hepatocellular carcinoma, breast cancer, ovarian cancer, osteosarcoma, and renal cell carcinoma, different studies have reported inconsistent results. In the present manuscript, we review function of XIST in the carcinogenesis.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sepideh Dashti
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Molood Farsi
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mohammad Taheri
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Ali Mousavinejad
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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19
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Wang W, Min L, Qiu X, Wu X, Liu C, Ma J, Zhang D, Zhu L. Biological Function of Long Non-coding RNA (LncRNA) Xist. Front Cell Dev Biol 2021; 9:645647. [PMID: 34178980 PMCID: PMC8222981 DOI: 10.3389/fcell.2021.645647] [Citation(s) in RCA: 89] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 05/12/2021] [Indexed: 12/24/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) regulate gene expression in a variety of ways at epigenetic, chromatin remodeling, transcriptional, and translational levels. Accumulating evidence suggests that lncRNA X-inactive specific transcript (lncRNA Xist) serves as an important regulator of cell growth and development. Despites its original roles in X-chromosome dosage compensation, lncRNA Xist also participates in the development of tumor and other human diseases by functioning as a competing endogenous RNA (ceRNA). In this review, we comprehensively summarized recent progress in understanding the cellular functions of lncRNA Xist in mammalian cells and discussed current knowledge regarding the ceRNA network of lncRNA Xist in various diseases. Long non-coding RNAs (lncRNAs) are transcripts that are more than 200 nt in length and without an apparent protein-coding capacity (Furlan and Rougeulle, 2016; Maduro et al., 2016). These RNAs are believed to be transcribed by the approximately 98-99% non-coding regions of the human genome (Derrien et al., 2012; Fu, 2014; Montalbano et al., 2017; Slack and Chinnaiyan, 2019), as well as a large variety of genomic regions, such as exonic, tronic, and intergenic regions. Hence, lncRNAs are also divided into eight categories: Intergenic lncRNAs, Intronic lncRNAs, Enhancer lncRNAs, Promoter lncRNAs, Natural antisense/sense lncRNAs, Small nucleolar RNA-ended lncRNAs (sno-lncRNAs), Bidirectional lncRNAs, and non-poly(A) lncRNAs (Ma et al., 2013; Devaux et al., 2015; St Laurent et al., 2015; Chen, 2016; Quinn and Chang, 2016; Richard and Eichhorn, 2018; Connerty et al., 2020). A range of evidence has suggested that lncRNAs function as key regulators in crucial cellular functions, including proliferation, differentiation, apoptosis, migration, and invasion, by regulating the expression level of target genes via epigenomic, transcriptional, or post-transcriptional approaches (Cao et al., 2018). Moreover, lncRNAs detected in body fluids were also believed to serve as potential biomarkers for the diagnosis, prognosis, and monitoring of disease progression, and act as novel and potential drug targets for therapeutic exploitation in human disease (Jiang W. et al., 2018; Zhou et al., 2019a). Long non-coding RNA X-inactive specific transcript (lncRNA Xist) are a set of 15,000-20,000 nt sequences localized in the X chromosome inactivation center (XIC) of chromosome Xq13.2 (Brown et al., 1992; Debrand et al., 1998; Kay, 1998; Lee et al., 2013; da Rocha and Heard, 2017; Yang Z. et al., 2018; Brockdorff, 2019). Previous studies have indicated that lncRNA Xist regulate X chromosome inactivation (XCI), resulting in the inheritable silencing of one of the X-chromosomes during female cell development. Also, it serves a vital regulatory function in the whole spectrum of human disease (notably cancer) and can be used as a novel diagnostic and prognostic biomarker and as a potential therapeutic target for human disease in the clinic (Liu et al., 2018b; Deng et al., 2019; Dinescu et al., 2019; Mutzel and Schulz, 2020; Patrat et al., 2020; Wang et al., 2020a). In particular, lncRNA Xist have been demonstrated to be involved in the development of multiple types of tumors including brain tumor, Leukemia, lung cancer, breast cancer, and liver cancer, with the prominent examples outlined in Table 1. It was also believed that lncRNA Xist (Chaligne and Heard, 2014; Yang Z. et al., 2018) contributed to other diseases, such as pulmonary fibrosis, inflammation, neuropathic pain, cardiomyocyte hypertrophy, and osteoarthritis chondrocytes, and more specific details can be found in Table 2. This review summarizes the current knowledge on the regulatory mechanisms of lncRNA Xist on both chromosome dosage compensation and pathogenesis (especially cancer) processes, with a focus on the regulatory network of lncRNA Xist in human disease.
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Affiliation(s)
| | | | | | | | | | | | - Dongyi Zhang
- Department of Biology and Chemistry, College of Liberal Arts and Sciences, National University of Defense Technology, Changsha, China
| | - Lingyun Zhu
- Department of Biology and Chemistry, College of Liberal Arts and Sciences, National University of Defense Technology, Changsha, China
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20
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Liu W, Long Q, Zhang L, Zeng D, Hu B, Zhang W, Liu S, Deng S, Chen L. Long non-coding RNA X-inactive specific transcript promotes osteosarcoma metastasis via modulating microRNA-758/Rab16. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:841. [PMID: 34164475 PMCID: PMC8184472 DOI: 10.21037/atm-21-1032] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Background As a common malignant bone sarcoma, osteosarcoma (OS) affects the health and lives of many people. Here, we probed the effects of long non-coding RNA (lncRNA) X-inactive specific transcript (XIST) and microRNA-758 (miR-758) on OS metastasis, and examined possible downstream effector. Methods Quantitative reverse transcription PCR (qRT-PCR) was performed to detect the expressions of XIST and miR-758 in OS tissues and cells. Cell transfection was carried out to alter the levels of XIST and miR-758 in OS cells, and cell viability, migration, and invasion were assessed. Subsequently, qRT-PCR and a dual-luciferase reporter assay were conducted to analyze the regulatory effects of XIST on miR-758 and miR-758 on Rab16. Finally, we investigated whether Rab16 was the downstream effector of XIST/miR-758 axis. Results XIST was highly expressed in OS tissues and cells, but the opposite was seen for miR-758. In OS cells, migration, invasion, and epithelial-mesenchymal transformation (EMT) was promoted by overexpression of XIST and miR-758 inhibitor, but were inhibited by XIST knockdown and miR-758 mimics. XIST regulated miR-758 expression, and miR-758 regulated Rab16 expression in OS cells. Overexpression of Rab16 reversed the effects of miR-758 mimics on OS cell migration and invasion. Conclusions XIST contributed to OS cell migration, invasion, and EMT via regulation of miR-758/Rab16.
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Affiliation(s)
- Wei Liu
- Department of Orthopedics Trauma, Nanhua Hospital Affiliated to Nanhua University, Hengyang, China
| | - Qiuping Long
- Department of Orthopedics Trauma, Nanhua Hospital Affiliated to Nanhua University, Hengyang, China
| | - Li Zhang
- Department of Orthopedics Trauma, Nanhua Hospital Affiliated to Nanhua University, Hengyang, China
| | - Dehui Zeng
- Department of Orthopedics Trauma, Nanhua Hospital Affiliated to Nanhua University, Hengyang, China
| | - Bingbing Hu
- Department of Orthopedics Trauma, Nanhua Hospital Affiliated to Nanhua University, Hengyang, China
| | - Wei Zhang
- Department of Orthopedics Trauma, Nanhua Hospital Affiliated to Nanhua University, Hengyang, China
| | - Shengyao Liu
- Department of Orthopedics, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Songyun Deng
- Department of Orthopedics Trauma, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Li Chen
- Department of Orthopedics Trauma, Nanhua Hospital Affiliated to Nanhua University, Hengyang, China
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21
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Wang X, Guo Y, Wang C, Wang Q, Yan G. Long Noncoding RNA ZEB1-AS1 Downregulates miR-23a, Promotes Tumor Progression, and Predicts the Survival of Oral Squamous Cell Carcinoma Patients. Onco Targets Ther 2021; 14:2699-2710. [PMID: 33888994 PMCID: PMC8057792 DOI: 10.2147/ott.s297209] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 03/01/2021] [Indexed: 12/27/2022] Open
Abstract
Background Long non-coding RNAs (lncRNAs) are implicated in cancer-related biological processes such as cell proliferation, cell cycle progression, cell migration, cell invasion, and chemoresistance. However, the effects of the lncRNA ZEB1-AS1 on oral squamous cell carcinoma (OSCC) have not been adequately demonstrated. The aims of our current study were to explore the roles of lncRNA ZEB1-AS1 in OSCC progression to reveal the potential mechanism. Methods Quantitative real-time polymerase chain reaction (qRT-PCR) was used to measure relative ZEB1-AS1 expression levels in OSCC tissues and adjacent non-cancerous tissues. The biological functions of ZEB1-AS1 in OSCC growth and progression were identified by cell proliferation, wound healing, and in vitro transwell assays as well as in vivo xenograft model. The underlying mechanism was detected with a dual-luciferase reporter (DLR) assay. Results The up-regulation of ZEB1-AS1 and downregulation of miR-23a-3p (miR-23a) were found in OSCC cancer tissues. A ZEB1-AS1 knockdown remarkably suppressed in vitro cancerous, biological processes of OSCC cell lines such as cell proliferation, invasion, migration, and epithelial–mesenchymal transition (EMT). The tumor growth was also inhibited by silencing ZEB1-AS1 in vivo, and a DLR assay confirmed the association between ZEB1-AS1 and miR-23a. Conclusion The newly identified lncRNA ZEB1-AS1 functions as a tumor promoter in OSCC through regulation of miR-23a. Based on these results, ZEB1-AS1 could be a valid molecular target for treating oral cancer.
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Affiliation(s)
- Xue Wang
- Department of Orthodontics, School of Stomatology, China Medical University, Shengyang, Liaoning, 110002, People's Republic of China
| | - Yan Guo
- Department of Central Laboratory, School of Stomatology, China Medical University, Shengyang, Liaoning, 110002, People's Republic of China
| | - Chunyu Wang
- Department of Cell Biology, Key Laboratory of Cell Biology, and Key Laboratory of Medical Cell Biology, School of Life Sciences, China Medical University, Shengyang, Liaoning, 110002, People's Republic of China
| | - Qiang Wang
- Department of Central Laboratory, School of Stomatology, China Medical University, Shengyang, Liaoning, 110002, People's Republic of China
| | - Guangqi Yan
- Department of Oral and Maxillofacial Surgery, School of Stomatology, China Medical University, Shengyang, Liaoning, 110002, People's Republic of China
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22
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Clinical impact of LncRNA XIST and LncRNA NEAT1 for diagnosis of high-risk group breast cancer patients. Curr Probl Cancer 2021; 45:100709. [PMID: 33602501 DOI: 10.1016/j.currproblcancer.2021.100709] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 01/02/2021] [Accepted: 01/11/2021] [Indexed: 12/20/2022]
Abstract
Long noncoding RNAs (lncRNAs) are evolving as contributing biomarkers for many diseases. Among these lncRNAs, X inactive-specific transcript (XIST), and nuclear paraspeckle assembly transcript 1 (NEAT1) were studied as undesirable upregulated nucleic acid markers for unfavorable prognosis of cancer. The authors aimed to investigate their role as diagnostic markers for breast cancer (BC) patients with high-risk factors. Serum samples were obtained from BC patients (n = 121), patients with benign breast lesions (n = 35), and healthy volunteers (n = 22). Assessment of lncRNA XIST, and lncRNA NEAT1 expression was performed using real time PCR. Expression levels of the investigated lncRNAs were significantly higher in BC patients as compared to the other groups. Both lncRNAs were significantly correlated with BC laterality, lymph node involvement, and clinical stages. LncRNA NEAT1 reported a significant aberrant expression with pathological types, histological grading and, hormonal status. The sensitivity of lncRNA NEAT1 was superior for detection of BC with high risk-factors as compared to lncRNA XIST. In conclusion, the detection of lncRNAs in body fluids has demonstrated a significant importance for detecting BC patients with high-risk factors, and was related to hormonal receptors, thus may be used for determining the direction of treatment strategy.
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23
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Taheri M, Shoorei H, Tondro Anamag F, Ghafouri-Fard S, Dinger ME. LncRNAs and miRNAs participate in determination of sensitivity of cancer cells to cisplatin. Exp Mol Pathol 2021; 123:104602. [PMID: 33422487 DOI: 10.1016/j.yexmp.2021.104602] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 12/27/2020] [Accepted: 12/31/2020] [Indexed: 02/08/2023]
Abstract
Cisplatin is an extensively used chemotherapeutic substance for various types of human malignancies including sarcomas, carcinomas and lymphomas. Yet, the vast application of this drug is hampered by the emergence of chemoresistance in some treated patients. Several mechanisms such as degradation of the membrane transporters by cisplatin have been implicated in the pathogenesis of this event. Recent researches have also indicated the role of long non-coding RNAs (lncRNAs) as well as micoRNAs (miRNAs) in the emergence of resistance to cisplatin in several cancer types. For instance, up-regulation of miR-21 has been associated with resistance to this agent in ovarian cancer, oral squamous cell cancer, gastric malignancy and non-small cell lung cancer (NSCLC). On the other hand, down-regulation of miR-218 has been implicated in emergence of chemoresistance in breast cancer and esophageal squamous cell carcinoma. MALAT1 is implicated in the chemoresistance of bladder cancer cells, NSCLC, gastric cancer and cervical cancer. Most notably, the expression profile of resistance-associated miRNAs and lncRNAs can predict overall survival of cancer patients. Mechanistic assays have revealed that interference with expression of some miRNAs and lncRNAs can reverse the resistance phenotype in cancer cells. In this paper, we review the scientific writings on the role of lncRNAs and miRNAs in the evolution of chemoresistance to cisplatin in cancer cells.
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Affiliation(s)
- Mohammad Taheri
- Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamed Shoorei
- Department of Anatomical Sciences, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
| | | | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Marcel E Dinger
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW 2052, Australia.
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24
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Silencing lncRNA DUXAP8 inhibits lung adenocarcinoma progression by targeting miR-26b-5p. Biosci Rep 2021; 41:227120. [PMID: 33269379 PMCID: PMC7791543 DOI: 10.1042/bsr20200884] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 10/14/2020] [Accepted: 10/15/2020] [Indexed: 12/16/2022] Open
Abstract
Lung adenocarcinoma (LUAD), a common type of lung cancer, has become a popularly aggressive cancer. Long noncoding RNAs (lncRNAs) play a critical role in the pathogenesis of human cancers, while the function of double homeobox A pseudogene 8 (DUXAP8) in LUAD remains to be fully inquired. Therefore, our study was conducted to elucidate the DUXAP8 expression in LUAD and its mechanism on the biological features of LUAD cells. Loss-of-function experiments were performed to assess the function of DUXAP8 proliferation and apoptosis of H1975 and A549 cells. Functionally, silencing DUXAP8 inhibited proliferation and induced apoptosis of LUAD cells. Mechanistically, further correlation assay indicated a negative association between miR-26b-5p and DUXAP8 expression. Subsequently, we testified that DUXAP8 exerted its role in the progression and development of LUAD through targeting miR-26b-5p. In summary, our results elucidated that that DUXAP8 promoted tumor progression in LUAD by targeting miR-26b-5p, which provide a novel therapeutic target for diagnosis and therapy of LUAD.
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25
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Hao YQ, Liu KW, Zhang X, Kang SX, Zhang K, Han W, Li L, Li ZH. GINS2 was regulated by lncRNA XIST/miR-23a-3p to mediate proliferation and apoptosis in A375 cells. Mol Cell Biochem 2021; 476:1455-1465. [PMID: 33389496 DOI: 10.1007/s11010-020-04007-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 11/26/2020] [Indexed: 10/22/2022]
Abstract
Melanoma ranks second in aggressive tumors, and the occurrence of metastasis in melanoma results in a persistent drop in the survival rate of patients. Therefore, it is very necessary to find a novel therapeutic method for treating melanoma. It has been reported that lncRNA XIST could promote the tumorigenesis of melanoma. However, the mechanism by which lncRNA XIST regulates the progression of melanoma remains unclear. The proliferation of A375 cells was measured by clonal formation. Cell viability was detected by MTT assay. Flow cytometry was performed to detect cell apoptosis and cycle. The level of GINS2, miR-23a-3p, and lncRNA XIST was investigated by qRT-PCR. Protein level was detected by Western blot, and the correctness of prediction results was confirmed by Dual luciferase. In present study, GINS2 and lncRNA XIST were overexpressed in melanoma, while miR-23a-3p was downregulated. Silencing of GINS2 or overexpression of miR-23a-3p reversed cell growth and promoted apoptosis in A375 cells. Mechanically, miR-23a-3p directly targeted GINS2, and XIST regulated GINS2 level though mediated miR-23a-3p. Moreover, XIST exerted its function on cell proliferation, cell viability, and promoted the cell apoptosis of A375 cells though miR-23a-3p/GINS2 axis. LncRNA XIST significantly promoted the tumorigenesis of melanoma via sponging miR-23a-3p and indirectly targeting GINS2, which can be a potential new target for treating melanoma.
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Affiliation(s)
- Yu-Qin Hao
- Department of Dermatology, Peking University Third Hospital, Beijing, 100191, People's Republic of China.,Department of Dermatology, Third Affiliated Hospital of Inner Mongolia Medical University, Baotou, 014010, People's Republic of China
| | - Ke-Wei Liu
- Department of Dermatology, Mental Health Center of Inner Mongolia Autonomous Region, Hohhot, 010000, People's Republic of China
| | - Xin Zhang
- Department of Dermatology, Halison International Peace Hospital, Hengshui, 053000, People's Republic of China
| | - Shu-Xia Kang
- Department of Dermatology, People's Hospital Affiliated to Inner Mongolia Medical University, Hohhot, 010000, People's Republic of China
| | - Kun Zhang
- Department of Hematology, The Second Affiliated Hospital of Baotou Medical College, Baotou, 014010, People's Republic of China
| | - Wurihan Han
- Inner Mongolia Medical University, Hohhot, 010000, People's Republic of China
| | - Li Li
- Inner Mongolia Medical University, Hohhot, 010000, People's Republic of China
| | - Zhe-Hai Li
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China.
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26
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Abstract
Competing endogenous RNAs (ceRNAs) containing microRNA response elements can competitively interact with microRNA via miRNA response elements, which can combine non-coding RNAs with protein-coding RNAs through complex ceRNA networks. CeRNAs include non-coding RNAs (long non-coding RNAs, circular RNAs, and transcribed pseudogenes) and protein-coding RNAs (mRNAs). Molecular interactions in ceRNA networks can coordinate many biological processes; however, they may also lead to ceRNA network imbalance and thus contribute to cancer occurrence when disturbed. Recent studies indicate that many dysregulated RNAs derived from lung cancer may function as ceRNAs to regulate multitudinous biological functions for lung cancer, including tumor cell proliferation, apoptosis, growth, invasion, migration, and metastasis. This study therefore reviewed the research progress in the field of non-coding and protein-coding RNAs as ceRNAs in lung cancer, and highlighted validated ceRNAs involved in biological lung cancer functions. Furthermore, the roles of ceRNAs as novel prognostic and diagnostic biomarkers were also discussed. Interpreting the involvement of ceRNAs networks in lung cancer will provide new insight into cancer pathogenesis and treatment strategies.
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Affiliation(s)
- Meilian Zhao
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Jianguo Feng
- Department of Anesthesiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Liling Tang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
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27
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Liu TT, Li R, Liu X, Zhou XJ, Huo C, Li JP, Qu YQ. LncRNA XIST acts as a MicroRNA-520 sponge to regulate the Cisplatin resistance in NSCLC cells by mediating BAX through CeRNA network. Int J Med Sci 2021; 18:419-431. [PMID: 33390811 PMCID: PMC7757131 DOI: 10.7150/ijms.49730] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 11/09/2020] [Indexed: 02/06/2023] Open
Abstract
Background: In recent years, LncRNA acts as a member of competing endogenous RNA (ceRNA), playing an important role in drug resistance of lung cancer. The aim of this study was to identify potential biomarkers about cisplatin resistant lung cancer cells using a comprehensive ceRNA network. Methods: GSE6410 (GPL-201) analyzed gene expression changes about cisplatin resistance in A549 NSCLC cells. GSE43249 (GPL-14613) included noncoding RNA expression profiling derived from the cisplatin resistant A549 lung cells. GEO2R, an online analysis tool, analyzed the differentially expressed mRNAs and miRNAs (DEmRNAs and DEmiRNAs). To explore the functional enrichment implication of differentially expressed mRNAs, we used the GO (Gene ontology) and KEGG (Kyoto Encyclopedia of Genes and Genomes) pathway analysis. Through miRDB, Targetscan, Starbase and miRWalk, we found targeted miRNAs. The Kaplan-Meier curve method was used to show clinical survival analysis of targeted RNAs (P<0.05). The Starbase database predicted potential lncRNAs mediated targeted miRNAs. Eventually, the novel ceRNA network of lncRNAs, miRNAs, mRNA was constructed by cytoscape3.7.2. Results: 118 differentially expressed mRNAs were the basis of the mediated ceRNA network. DAVID and Kaplan-Meier picked out BAX, an apoptosis regulator. Venn diagram demonstrated 8 miRNAs commonly regulating BAX. Starbase predicted lncRNA XIST mediated miRNAs. Finally, lncRNA XIST may be a useful biomarker regulating cisplatin resistance in lung cancer cells and further, we explored the BAX may effect tumor-infiltrating immune cells. Conclusions: LncRNA XIST competitively bound to miRNA 520 in the regulation of cisplatin resistance by BAX, participating apoptosis in the p53 signaling pathway.
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Affiliation(s)
- Ting-Ting Liu
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Rui Li
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Xiao Liu
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Xi-Jia Zhou
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Chen Huo
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Jian-Ping Li
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Yi-Qing Qu
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan 250012, China
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28
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Yang Y, Li W, Wei B, Wu K, Liu D, Zhu D, Zhang C, Wen F, Fan Y, Zhao S. MicroRNA let-7i Inhibits Histone Lysine Demethylase KDM5B to Halt Esophageal Cancer Progression. MOLECULAR THERAPY. NUCLEIC ACIDS 2020; 22:846-861. [PMID: 33230480 PMCID: PMC7658493 DOI: 10.1016/j.omtn.2020.09.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 09/11/2020] [Indexed: 11/25/2022]
Abstract
Recent studies have suggested that microRNA let-7i is a tumor suppressor in human cancers, including esophageal cancer, but its underlying mechanism is not yet fully understood. We investigated the role and mechanisms of let-7i in the progression of esophageal cancer. We first showed that let-7i was downregulated in esophageal cancer tissues and cells and then linked its low expression to cancer progression. Bioinformatic analysis predicted KDM5B as a target gene of let-7i, which was confirmed by a dual-luciferase reporter assay. Loss- and gain-of function approaches were adopted to examine the interactions of let-7i, KDM5B, SOX17, and GREB1 in vitro and in vivo. Overexpression of let-7i suppressed esophageal cancer cell proliferation and invasion and promoted apoptosis. Mechanistic investigation showed that let-7i targeted and inhibited KDM5B expression, whereas KDM5B enhanced H3K4me3 at the SOX17 promoter region. Overexpression of let-7i suppressed the expression of GREB1 in esophageal cancer cells by regulating the KDM5B/SOX17 axis in vivo and in vitro. Taken together, our findings reveal the tumor-suppressive properties of let-7i in esophageal cancer in association with an apparent KDM5B-dependent SOX17/GREB1 axis. This study offers a potential prognostic marker and therapeutic target for esophageal cancer.
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Affiliation(s)
- Yang Yang
- Department of Thoracic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450015, P.R. China
| | - Wenhua Li
- Department of Thoracic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450015, P.R. China
| | - Bochong Wei
- Department of Thoracic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450015, P.R. China
| | - Kai Wu
- Department of Thoracic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450015, P.R. China
| | - Donglei Liu
- Department of Thoracic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450015, P.R. China
| | - Dengyan Zhu
- Department of Thoracic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450015, P.R. China
| | - Chunyang Zhang
- Department of Thoracic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450015, P.R. China
| | - Fengbiao Wen
- Department of Thoracic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450015, P.R. China
| | - Yuxia Fan
- Department of Thyroid Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450015, P.R. China
| | - Song Zhao
- Department of Thoracic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450015, P.R. China
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29
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Wang Z, Xiu D, Jiang J, Liu G. Long non-coding RNA XIST binding to let-7c-5p contributes to rheumatoid arthritis through its effects on proliferation and differentiation of osteoblasts via regulation of STAT3. J Clin Lab Anal 2020; 34:e23496. [PMID: 32881056 PMCID: PMC7676202 DOI: 10.1002/jcla.23496] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 06/21/2020] [Accepted: 06/29/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Rheumatoid arthritis (RA), a chronic autoimmune disease, affects around 1% population worldwide, with the life quality of patients severely reduced. In this study, it is intended to explore the role of long non-coding RNA X-inactive specific transcript (lncRNA XIST) in RA and the underlying mechanisms associated with let-7c-5p and signal transducer and activator of transcription 3 (STAT3). METHODS LncRNA XIST, let-7c-5p, and STAT3 expressions were determined in RA and normal cartilage tissues, and their relationship was analyzed in osteoblasts. The regulatory effects of lncRNA XIST in RA were investigated when XIST expression was upregulated or downregulated in osteoblasts. TNF-α, IL-2, IL-6, alkaline phosphatase (ALP), osteocalcin, TGF-β1, and IGF1 were measured in vivo in RA rats. RESULTS LncRNA XIST and STAT3 were expressed at high levels and let-7c-5p expressed at a low level in RA cartilage tissues. LncRNA XIST silencing or let-7c-5p enhancement led to decreased levels of TNF-α, IL-2, and IL-6, suggestive of suppressed inflammatory response, and increased levels of ALP, osteocalcin, TGF-β1, and IGF-1 as well as reduced damage in cartilage tissues. CONCLUSION LncRNA XIST downregulation could promote proliferation and differentiation of osteoblasts in RA, serving as a future therapeutic target for RA.
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Affiliation(s)
- Zong‐Qiang Wang
- Medical DepartmentChina‐Japan Union Hospital of Jilin UniversityChangchunChina
| | - Dian‐Hui Xiu
- Department of RadiologyChina‐Japan Union Hospital of Jilin UniversityChangchunChina
| | - Jin‐Lan Jiang
- Department of OrthopedicsChina‐Japan Union Hospital of Jilin UniversityChangchunChina
- Scientific Research CenterChina‐Japan Union Hospital of Jilin UniversityChangchunChina
| | - Gui‐Feng Liu
- Department of RadiologyChina‐Japan Union Hospital of Jilin UniversityChangchunChina
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30
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Li W, Zheng Y, Mao B, Wang F, Zhong Y, Cheng D. SNHG17 upregulates WLS expression to accelerate lung adenocarcinoma progression by sponging miR-485-5p. Biochem Biophys Res Commun 2020; 533:1435-1441. [PMID: 33109341 DOI: 10.1016/j.bbrc.2020.09.130] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 09/26/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND Long non-coding RNAs (lncRNAs) have been uncovered to be essential regulators in the biological processes of human cancers, including lung adenocarcinoma (LUAD). Recently, small nucleolar RNA host gene 17 (SNHG17) has been identified as one novel oncogenic lncRNA in gastric cancer. However, it remains unclear whether SNHG7 exert functions in LUAD progression. METHODS The expression levels of SNHG17, miR-485-5p and Wnt ligand secretion mediator (WLS) in LUAD cells was evaluated by RT-qPCR. The effect of SNHG7 silencing on LUAD cell proliferation was assessed by colony formation and EdU assays. The apoptosis of LUAD cells was measured by flow cytometry analysis. Transwell assays were applied to detect cell migration and invasion. The relationship between SNHG17 and miR-485-5p was validated by RIP, RNA pull down and luciferase reporter assays. RESULTS SNHG17 and WLS were up-regulated in LUAD cell lines. Down-regulation of SNHG17 curbed LUAD cell proliferation, migration and invasion but facilitated apoptosis. SNHG17 acted as miR-485-5p sponge to upregulate WLS expression. CONCLUSION SNHG17 triggers the progression of LUAD via sponging miR-485-5p to upregulate WLS expression.
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Affiliation(s)
- Wen Li
- Department of Respiration, West China Hospital, Sichuan University, Chengdu, 610000, China; Department of Respiratory and Critical Care Medicine, Chengdu First People's Hospital, Chengdu, 610000, China
| | - Yuqiong Zheng
- Department of Respiratory and Critical Care Medicine, Chengdu First People's Hospital, Chengdu, 610000, China
| | - Bing Mao
- Department of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu, 610000, China
| | - Fangfang Wang
- Department of Hematology, West China Hospital, Sichuan University, Chengdu, 610000, China
| | - Yunqing Zhong
- Department of Pulmonary Disease, Guangxi International Zhuang Medicine Hospital, Nanning, 530000, China.
| | - Deyun Cheng
- Department of Respiratory and Critical Care Medicine, Clinical Research Center for Respiratory Disease, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
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31
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Zhou C, Duan S. The Role of Long Non-Coding RNA NNT-AS1 in Neoplastic Disease. Cancers (Basel) 2020; 12:cancers12113086. [PMID: 33113895 PMCID: PMC7690676 DOI: 10.3390/cancers12113086] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 10/16/2020] [Accepted: 10/18/2020] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Nicotinamide nucleotide transhydrogenase-antisense 1 (NNT-AS1), which is a newly-discovered long non-coding RNA (lncRNA), has been found to be dysregulated in a variety of neoplastic diseases. With the accumulation of studies on NNT-AS1 in recent years, the mechanism of NNT-AS1 and its significance for tumor occurrence and progression are constantly being updated and improved. Thus, this paper aims to summarize the abnormal expression of NNT-AS1 and its prognostic values in different neoplastic diseases. In addition, the detailed competing endogenous RNA networks and subsequent biology behaviors, as well as the role of NNT-AS1 in mediating cisplatin resistance are revealed in this paper. This review not only summarizes the past research of NNT-AS1, but also provides some ideas for future research in this field. Abstract Studies have shown that non-coding RNAs (ncRNAs), especially long non-coding RNAs (lncRNAs), play an important regulatory role in the occurrence and development of human cancer. Nicotinamide nucleotide transhydrogenase-antisense 1 (NNT-AS1) is a newly-discovered cytoplasmic lncRNA. Many studies have shown that it has abnormally-high expression levels in malignant tumors, but there are also a few studies that have reported low expression levels of NNT-AS1 in gastric cancer, breast cancer, and ovarian cancer. At present, the regulatory mechanism of NNT-AS1 as a miRNA sponge, which may be an important reason affecting tumor cell proliferation, invasion, metastasis, and apoptosis is being studied in-depth. In addition, NNT-AS1 has been found to be related to cisplatin resistance. In this review, we summarize the abnormal expression of NNT-AS1 in a variety of neoplastic diseases and its diagnostic and prognostic value, and we explain the mechanism by which NNT-AS1 regulates cancer progression by competing with miRNAs. In addition, we also reveal the correlation between NNT-AS1 and cisplatin resistance and the potential clinical applications of NNT-AS1.
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32
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Li S, Yang S, Qiu C, Sun D. LncRNA MSC-AS1 facilitates lung adenocarcinoma through sponging miR-33b-5p to up-regulate GPAM. Biochem Cell Biol 2020; 99:241-248. [PMID: 33821667 DOI: 10.1139/bcb-2020-0239] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Many reports have indicated that long non-coding RNAs (lncRNAs) are closely associated with the occurrence and development of various cancers. Musculin antisense RNA 1 (MSC-AS1) is a an lncRNA known to act as an oncogene in several types of human cancers; however, its specific function in lung adenocarcinoma (LUAD) is still unclear. For this study, we designed and conducted experiments to clarify the function of the lncRNA MSC-AS1 in LUAD and its underlying mechanisms. We found that the expression of MSC-AS1 was significantly higher in LUAD tissues and cells than that in normal ones. Through loss-of function assays, we confirmed that the proliferation of LUAD cells was significantly restrained by down-regulation of MSC-AS1 and the rate of cell apoptosis was accelerated. The results from our mechanistic experiments showed that MSC-AS1 interacts with microRNA-33b-5p (miR-33b-5p). Moreover, glycerol-3-phosphate acyltransferase, mitochondrial (GPAM) was found to be a direct target gene of miR-33b-5p, and it has similar functions to MSC-AS1. Further, inhibition of miR-33b-5p or overexpression GPAM reversed the inhibitory effects of MSC-AS1 silencing on LUAD cell growth. In short, MSC-AS1 facilitates LUAD progression through sponging miR-33b-5p to up-regulate GPAM.
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Affiliation(s)
- Sai Li
- The First District of Oncology Department of Hainan People's Hospital, No. 19 Xiuhua Road, Xiuying District, Haikou, 570000, Hainan, China.,The First District of Oncology Department of Hainan People's Hospital, No. 19 Xiuhua Road, Xiuying District, Haikou, 570000, Hainan, China
| | - Shenghui Yang
- The First District of Oncology Department of Hainan People's Hospital, No. 19 Xiuhua Road, Xiuying District, Haikou, 570000, Hainan, China.,The First District of Oncology Department of Hainan People's Hospital, No. 19 Xiuhua Road, Xiuying District, Haikou, 570000, Hainan, China
| | - Chun Qiu
- The First District of Oncology Department of Hainan People's Hospital, No. 19 Xiuhua Road, Xiuying District, Haikou, 570000, Hainan, China.,The First District of Oncology Department of Hainan People's Hospital, No. 19 Xiuhua Road, Xiuying District, Haikou, 570000, Hainan, China
| | - Datong Sun
- The First District of Oncology Department of Hainan People's Hospital, No. 19 Xiuhua Road, Xiuying District, Haikou, 570000, Hainan, China.,The First District of Oncology Department of Hainan People's Hospital, No. 19 Xiuhua Road, Xiuying District, Haikou, 570000, Hainan, China
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Zhang HD, Jiang LH, Zhong SL, Li J, Sun DW, Hou JC, Wang DD, Zhou SY, Tang JH. The role of long non-coding RNAs in drug resistance of cancer. Clin Genet 2020; 99:84-92. [PMID: 32583420 DOI: 10.1111/cge.13800] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 06/11/2020] [Accepted: 06/19/2020] [Indexed: 12/18/2022]
Abstract
Long non-coding RNAs (lncRNAs), a class of long RNAs, are longer than 200 nucleotides in length but lack protein-coding capacity. LncRNAs, as critical genomic regulators, are involved in genomic imprinting regulation, histone modification and gene expression regulation as well as tumor initiation and progression. However, it is also found that lncRNAs are associated with drug resistance in several types of cancer. Drug resistance is an important reason for clinical chemotherapy failure, and the molecular mechanism of tumor resistance is complex, which is a process of multi-cause, multi-gene and multi-signal transduction pathway interaction. Then comprehending the mechanisms of chemoresistance will help find ways to control the tumor progression effectively. Therefore, in this review, we will construct lncRNAs /drug resistance interaction network and shed light on the role of lncRNAs in drug resistance.
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Affiliation(s)
- He-da Zhang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Lin-Hong Jiang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Xuzhou Infectious Disease Hospital, Xuzhou, China
| | - Shan-Liang Zhong
- Center of Clinical Laboratory, The Affiliated Cancer Hospital of Nanjing Medical University and Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research, Nanjing, China
| | - Jian Li
- Department of General Surgery, The Affiliated Cancer Hospital of Nanjing Medical University and Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research, Nanjing, China
| | - Da-Wei Sun
- Department of General Surgery, The Affiliated Cancer Hospital of Nanjing Medical University and Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research, Nanjing, China
| | - Jun-Chen Hou
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Dan-Dan Wang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Si-Ying Zhou
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jin-Hai Tang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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lncRNA RP11-838N2.3 Promoted Cisplatin Resistance in Lung Adenocarcinoma. BIOMED RESEARCH INTERNATIONAL 2020; 2020:2806042. [PMID: 32626737 PMCID: PMC7312708 DOI: 10.1155/2020/2806042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 05/07/2020] [Accepted: 05/13/2020] [Indexed: 11/30/2022]
Abstract
The mechanism of RP11-838N2.3 promoting cisplatin resistance in lung adenocarcinoma (LAD) was unclear. The RP11-838N2.3 expression level in cells and LAD tissues was detected by qPCR. We constructed lentivirus-mediated GV303 overexpression and GV248 shRNA vector targeting RP11-838N2.3, then infected A549 and A549/DDP cell and furtherly analyzed cell biology. High-throughput gene chip analysis showed that RP11-838N2.3 was significantly upregulated in A549/DDP (change fold = 66.056595). The qPCR results showed that the expression level of RP11-838N2.3 in A549/DDP cell was significantly higher than that in A549 cells (P < 0.05), and the expression level of RP11-838N2.3 in LAD tissues was also significantly higher than that in adjacent tissues (P < 0.05). The expression level of RP11-838N2.3 in cisplatin-insensitive LAD tissues was also significantly higher than that in cisplatin-sensitive LAD tissues (P < 0.05). Survival analysis showed that OS (overall survival) and DFS (progression-free survival) of high RP11-838N2.3 expression in the cisplatin-sensitive or cisplatin-insensitive LAD group were lower (P < 0.001 and P < 0.001) than those of low RP11-838N2.3 expression in the cisplatin-sensitive or cisplatin-insensitive LAD group. CCK8 showed that the OD450 value of RP11-838N2.3 overexpression increased significantly at 24 h, 48 h, and 72 h after transfection, while the knockdown of RP11-838N2.3 caused OD450 value at 24 h, 48 h, and 72 h after transfection significantly reduced, under the action of cisplatin that had the same trend (P < 0.05). The cell migration showed that the RP11-838N2.3 overexpression increased significantly migration activity and RP11-838N2.3 knockdown inhibited migration activity at 24 h, 48 h, and 72 h after transfection. The same trend was also observed under the action of cisplatin (P < 0.05). The cell invasion showed that the invasion rate of RP11-838N2.3 overexpression increased significantly, while the invasion rate of RP11-838N2.3 knockdown decreased significantly, and the same trend was observed under the action of cisplatin (P < 0.05). Apoptosis results showed that the apoptosis rate of RP11-838N2.3 overexpressed cells decreased significantly and the apoptosis rate of RP11-838N2.3 knockdown cells increased significantly, and the same trend was also observed under the action of cisplatin (P < 0.05). However, the results of cell cycle showed that there was no significant difference in the proportion of cells in each phase of the cell cycle after RP11-838N2.3 overexpression or knockdown (P > 0.05).RP11-838N2.3 was significantly upregulated in cisplatin-resistant cell and tissues of LAD. RP11-838N2.3 could enhance the proliferation, migration, and invasion and inhibit apoptosis of LAD cisplatin-resistant cell. So RP11-838N2.3 could enhance the cisplatin resistance of LAD cells and was a resistant lncRNA molecule.
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Liu Y, Guo R, Qiao Y, Han L, Liu M. LncRNA NNT-AS1 contributes to the cisplatin resistance of cervical cancer through NNT-AS1/miR-186/HMGB1 axis. Cancer Cell Int 2020; 20:190. [PMID: 32489326 PMCID: PMC7247171 DOI: 10.1186/s12935-020-01278-9] [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: 12/28/2019] [Accepted: 05/18/2020] [Indexed: 12/21/2022] Open
Abstract
Background Cisplatin (DDP) is a major chemotherapeutic drug which was widely used for cervical cancer (CC) patients with advanced or recurrent although its limitation in the development of resistance. LncRNA nicotinamide nucleotide transhydrogenase-antisense RNA1 (NNT-AS1) has been reported to be involved in the DDP resistance. However, the role of NNT-AS1 in DDP resistance in CC remain unknown. Methods The mRNA expression of NNT-AS1, microRNA-186 (miR-186) and HMGB1 was detected by quantitative real-time polymerase chain reaction (qRT-PCR). Cell proliferation and apoptosis abilities were measured via MTT assay or flow cytometry, respectively. Western blot was used to measure the expression level of HMGB1, Bax, Bcl-2, Cleaved-caspase 3, N-cadherin, Vimentin and E-cadherin. Cell migration and invasion abilities were analyzed using Transwell assay. The interaction among NNT-AS1, miR-186 and HMGB1 was confirmed by luciferase reporter assay and RNA pull-down assay. Murine xenograft model was established using stably transfected SiHa/DDP cells. Results NNT-AS1 level was significantly elevated in CC tissues and cells, especially in DDP-resistant tumors and cell lines. Subsequently, loss-of function assays indicated that NNT-AS1 silence could attenuate DDP resistance by inhibiting proliferation, metastasis and EMT but inducing apoptosis in DDP-resistant CC cells. Besides that, knockdown of NNT-AS1 also antagonized DDP resistance in vivo. Bioinformatics predication revealed NNT-AS1 directly bound to miR-186 and HMGB1 was a target of miR-186. Additionally, NNT-AS1 could regulate HMGB1 expression via targeting miR-186. Furthermore, restoration experiments showed NNT-AS1 knockdown might improve DDP-sensitivity of CC cells via blocking HMGB1 expression by competitive interaction with miR-186. Conclusion NNT-AS1 improved chemoresistance of DDP-resistant CC cells via modulating miR-186/HMGB1 axis.
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Affiliation(s)
- Yanjie Liu
- Department of Gynaecology, The First Affiliated Hospital of Zhengzhou University, No. 1, Jianshe East Road, Zhengzhou, 450052 China
| | - Ruixia Guo
- Department of Gynaecology, The First Affiliated Hospital of Zhengzhou University, No. 1, Jianshe East Road, Zhengzhou, 450052 China
| | - Yuhuan Qiao
- Department of Gynaecology, The First Affiliated Hospital of Zhengzhou University, No. 1, Jianshe East Road, Zhengzhou, 450052 China
| | - Liping Han
- Department of Gynaecology, The First Affiliated Hospital of Zhengzhou University, No. 1, Jianshe East Road, Zhengzhou, 450052 China
| | - Mingzhu Liu
- Gynaecologic Department of Traditional Chinese Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 China
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Jiang W, Xia J, Xie S, Zou R, Pan S, Wang ZW, Assaraf YG, Zhu X. Long non-coding RNAs as a determinant of cancer drug resistance: Towards the overcoming of chemoresistance via modulation of lncRNAs. Drug Resist Updat 2020; 50:100683. [DOI: 10.1016/j.drup.2020.100683] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 02/18/2020] [Accepted: 02/21/2020] [Indexed: 12/11/2022]
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Xu X, Zhou X, Chen Z, Gao C, Zhao L, Cui Y. Silencing of lncRNA XIST inhibits non-small cell lung cancer growth and promotes chemosensitivity to cisplatin. Aging (Albany NY) 2020; 12:4711-4726. [PMID: 32209729 PMCID: PMC7138551 DOI: 10.18632/aging.102673] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 12/25/2019] [Indexed: 01/05/2023]
Abstract
Long noncoding RNAs (lncRNAs) play critical roles in tumour progression and metastasis. Emerging evidence indicates that the lncRNA X inactive-specific transcript (XIST) is dysregulated in several tumor types, including non-small cell lung cancer (NSCLC). However, in NSCLC and other cancers the oncogenic mechanism of XIST remains incompletely understood. Here, we confirmed that XIST is upregulated in human NSCLC specimens, and is especially overexpressed in tumors previously treated with cisplatin (cis-diamminedichloroplatinum(II); DDP). In vitro, XIST knockdown inhibited NSCLC cell growth and promoted DDP chemosensitivity by stimulating apoptosis and pyroptosis. Moreover, XIST's oncogenic effects and ability to promote DDP chemoresistance were largely related to its binding to the TGF-β effector SMAD2, which inhibited its translocation to the nucleus and prevented the transcription of p53 and NLRP3, crucial regulators of apoptosis and pyroptosis, respectively. Using DDP-resistant NSCLC cells, mouse xenograft studies verified the oncogenic function of XIST and its ability to inhibit programmed cell death, thereby mediating DDP chemoresistance. These findings suggest that XIST expression may serve as a novel biomarker to predict DDP treatment efficacy, and may help in the design of new therapies to circumvent DDP chemoresistance in NSCLC and other tumor types.
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Affiliation(s)
- Xiaohui Xu
- Department of Thoracic Surgery, Peking Union Medical College Hospital, Wangfujing, Dongcheng, Beijing 100730, P.R. China
| | - Xiaoyun Zhou
- Department of Thoracic Surgery, Peking Union Medical College Hospital, Wangfujing, Dongcheng, Beijing 100730, P.R. China
| | - Zhenju Chen
- Beijing 100biotech Co., Ltd., Beijing 100006, China
| | - Chao Gao
- Department of Thoracic Surgery, Peking Union Medical College Hospital, Wangfujing, Dongcheng, Beijing 100730, P.R. China
| | - Luo Zhao
- Department of Thoracic Surgery, Peking Union Medical College Hospital, Wangfujing, Dongcheng, Beijing 100730, P.R. China
| | - Yushang Cui
- Department of Thoracic Surgery, Peking Union Medical College Hospital, Wangfujing, Dongcheng, Beijing 100730, P.R. China
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Zhou J, Kang Y, Chen L, Wang H, Liu J, Zeng S, Yu L. The Drug-Resistance Mechanisms of Five Platinum-Based Antitumor Agents. Front Pharmacol 2020; 11:343. [PMID: 32265714 PMCID: PMC7100275 DOI: 10.3389/fphar.2020.00343] [Citation(s) in RCA: 228] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 03/09/2020] [Indexed: 01/17/2023] Open
Abstract
Platinum-based anticancer drugs, including cisplatin, carboplatin, oxaliplatin, nedaplatin, and lobaplatin, are heavily applied in chemotherapy regimens. However, the intrinsic or acquired resistance severely limit the clinical application of platinum-based treatment. The underlying mechanisms are incredibly complicated. Multiple transporters participate in the active transport of platinum-based antitumor agents, and the altered expression level, localization, or activity may severely decrease the cellular platinum accumulation. Detoxification components, which are commonly increasing in resistant tumor cells, can efficiently bind to platinum agents and prevent the formation of platinum–DNA adducts, but the adducts production is the determinant step for the cytotoxicity of platinum-based antitumor agents. Even if adequate adducts have formed, tumor cells still manage to survive through increased DNA repair processes or elevated apoptosis threshold. In addition, autophagy has a profound influence on platinum resistance. This review summarizes the critical participators of platinum resistance mechanisms mentioned above and highlights the most potential therapeutic targets or predicted markers. With a deeper understanding of the underlying resistance mechanisms, new solutions would be produced to extend the clinical application of platinum-based antitumor agents largely.
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Affiliation(s)
- Jiabei Zhou
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Yu Kang
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Lu Chen
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Hua Wang
- Department of Urology, Cancer Hospital of Zhejiang Province, Hangzhou, China
| | - Junqing Liu
- The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Su Zeng
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Lushan Yu
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
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Zhang X, Xie K, Zhou H, Wu Y, Li C, Liu Y, Liu Z, Xu Q, Liu S, Xiao D, Tao Y. Role of non-coding RNAs and RNA modifiers in cancer therapy resistance. Mol Cancer 2020; 19:47. [PMID: 32122355 PMCID: PMC7050132 DOI: 10.1186/s12943-020-01171-z] [Citation(s) in RCA: 148] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 02/24/2020] [Indexed: 02/08/2023] Open
Abstract
As the standard treatments for cancer, chemotherapy and radiotherapy have been widely applied to clinical practice worldwide. However, the resistance to cancer therapies is a major challenge in clinics and scientific research, resulting in tumor recurrence and metastasis. The mechanisms of therapy resistance are complicated and result from multiple factors. Among them, non-coding RNAs (ncRNAs), along with their modifiers, have been investigated to play key roles in regulating tumor development and mediating therapy resistance within various cancers, such as hepatocellular carcinoma, breast cancer, lung cancer, gastric cancer, etc. In this review, we attempt to elucidate the mechanisms underlying ncRNA/modifier-modulated resistance to chemotherapy and radiotherapy, providing some therapeutic potential points for future cancer treatment.
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Affiliation(s)
- Xinyi Zhang
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Department of Pathology, Xiangya Hospital, School of Basic Medicine, Central South University, Changsha, 410078, Hunan, China
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- Department of Cardiovascular Medicine, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Kai Xie
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Honghua Zhou
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- Department of Cardiovascular Medicine, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Yuwei Wu
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- Department of Cardiovascular Medicine, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Chan Li
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Yating Liu
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Department of Pathology, Xiangya Hospital, School of Basic Medicine, Central South University, Changsha, 410078, Hunan, China
- NHC Key Laboratory of Carcinogenesis (Central South University), Cancer Research Institute, Central South University, Changsha, 410078, Hunan, China
- Hunan Key Laboratory of Early Diagnosis and Precision Therapy, Department of Thoracic Surgery, Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Zhaoya Liu
- Department of Geriatrics, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Qian Xu
- Department of Cardiovascular Surgery, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Shuang Liu
- Department of Oncology, Institute of Medical Sciences, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
| | - Desheng Xiao
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Department of Pathology, Xiangya Hospital, School of Basic Medicine, Central South University, Changsha, 410078, Hunan, China.
| | - Yongguang Tao
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Department of Pathology, Xiangya Hospital, School of Basic Medicine, Central South University, Changsha, 410078, Hunan, China.
- NHC Key Laboratory of Carcinogenesis (Central South University), Cancer Research Institute, Central South University, Changsha, 410078, Hunan, China.
- Hunan Key Laboratory of Early Diagnosis and Precision Therapy, Department of Thoracic Surgery, Second Xiangya Hospital, Central South University, Changsha, 410011, China.
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Sun P, Wu Y, Li X, Jia Y. miR-142-5p protects against osteoarthritis through competing with lncRNA XIST. J Gene Med 2020; 22:e3158. [PMID: 31903636 DOI: 10.1002/jgm.3158] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 01/03/2020] [Accepted: 01/03/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The relevance between abnormal microRNA expression and osteoarthritis (OA) has been elaborated in recent studies. Hence, the present study aimed to assess the impact of miR-142-5p on chondrocyte growth and apoptosis. METHODS To mimic OA-like chondrocyte damage, interleukin (IL)-1β was used for chondrocyte treatment. The expression of miR-142-5p, SGTB, long non-coding RNA (lncRNA) X inactive specific transcript (XIST) and involved molecules such as Col2A1, Bcl-2, MMP13 and Bax was determined via a quantitative reverse transcriptase-polymerase chain reaction and western blot analyses. Functional roles of miR-142-5p, SGTB and XIST were monitored in 5-ethynyl-2'-deoxyuridine, CCK-8 and TUNEL experiments. Rescue analyses were conducted to consolidate the effect of the XIST/miR-142-5p/SGTB axis on chondrocytes in OA. RESULTS miR-142-5p was down-regulated in IL-1β-treated chondrocytes, whereas SGTB and XIST levels were increased. Overexpression of miR-142-5p stimulated proliferation and retarded apoptosis in IL-1β-treated chondrocytes. Meanwhile, miR-142-5p elevation was correlated with an elevation of Col2A1 and Bcl-2, as well as a decline of MMP13 and Bax. A mechanistic study showed that miR-142-5p negatively regulated SGTB expression. Moreover, we found that lncRNA XIST could relieve the inhibition of miR-142-5p on SGTB expression. Augmentation of SGTB or suppression of miR-142-5p reversed the influence of XIST depletion on chondrocyte growth and apoptosis. CONCLUSIONS The present study has explored the fundamental role of miR-142-5p in IL-1β-treated chondrocytes, as well as the novel molecular mechanism constituted by miR-142-5p/SGTB/XIST in OA. Potentially, the results obtained may add new insight into OA pathogenesis.
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Affiliation(s)
- Pengfei Sun
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, China
| | - Yunpeng Wu
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, China
| | - Xuezhou Li
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, China
| | - Yuhua Jia
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, China
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Mariotto E, Viola G, Zanon C, Aveic S. A BAG's life: Every connection matters in cancer. Pharmacol Ther 2020; 209:107498. [PMID: 32001313 DOI: 10.1016/j.pharmthera.2020.107498] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 01/17/2020] [Indexed: 12/30/2022]
Abstract
The members of the BCL-2 associated athanogene (BAG) family participate in the regulation of a variety of interrelated physiological processes, such as autophagy, apoptosis, and protein homeostasis. Under normal circumstances, the six BAG members described in mammals (BAG1-6) principally assist the 70 kDa heat-shock protein (HSP70) in protein folding; however, their role as oncogenes is becoming increasingly evident. Deregulation of the BAG multigene family has been associated with cell transformation, tumor recurrence, and drug resistance. In addition to BAG overexpression, BAG members are also involved in many oncogenic protein-protein interactions (PPIs). As such, either the inhibition of overloading BAGs or of specific BAG-client protein interactions could have paramount therapeutic value. In this review, we will examine the role of each BAG family member in different malignancies, focusing on their modular structure, which enables interaction with a variety of proteins to exert their pro-tumorigenic role. Lastly, critical remarks on the unmet needs for proposing effective BAG inhibitors will be pointed out.
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Affiliation(s)
- Elena Mariotto
- Department of Woman's and Child's Health, University of Padova, Via Giustiniani 2, 35127 Padova, Italy; Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Corso Stati Uniti 4, 35128 Padova, Italy.
| | - Giampietro Viola
- Department of Woman's and Child's Health, University of Padova, Via Giustiniani 2, 35127 Padova, Italy; Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Corso Stati Uniti 4, 35128 Padova, Italy
| | - Carlo Zanon
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Corso Stati Uniti 4, 35128 Padova, Italy
| | - Sanja Aveic
- Neuroblastoma Laboratory, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Corso Stati Uniti 4, 35128 Padova, Italy
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Li J, Wei L, Han Z, Chen Z, Zhang Q. Long non-coding RNA X-inactive specific transcript silencing ameliorates primary graft dysfunction following lung transplantation through microRNA-21-dependent mechanism. EBioMedicine 2020; 52:102600. [PMID: 31981974 PMCID: PMC6976928 DOI: 10.1016/j.ebiom.2019.102600] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 11/25/2019] [Accepted: 12/09/2019] [Indexed: 12/12/2022] Open
Abstract
Background Primary graft dysfunction (PGD) is a known acute lung injury (ALI) and a major cause of fatality post-lung transplantation. Though some long non-coding RNAs (lncRNAs) have been studied in ALI through regulation of microRNAs (miRNAs), their effects on PGD remain undefined. The present study aims to explore the underlying mechanism of lncRNA X-inactive specific transcript (XIST) in PGD after lung transplantation. Methods Initially, the expression of miR-21, IL-12A and XIST was determined by RT-qPCR and western blot analysis. The dual luciferase reporter assay, RNA pull-down and RIP assay were performed to identify the targeting relationship between miR-21 and IL-12A and the binding relationship between miR-21 and XIST. Loss- and gain-of-function investigations were conducted in rats treated with prolonged cold ischemia and polymorphonuclear neutrophils (PMNs). Findings miR-21 was decreased, whilst XIST and IL-12A were increased in the bronchoalveolar lavage fluid of PGD patients after lung transplantation. Enhanced miR-21 expression in rats and PMNs resulted in downregulated expression of pro-inflammatory factors and chemokines, and enhanced the apoptosis of PMNs. XIST was found to upregulate IL-12A expression in a miR-21-dependent manner. Additionally, XIST silencing enhanced the apoptosis of PMNs and inhibited the neutrophil extracellular trap (NET) formation through upregulation of miR-21 but downregulation of IL-12A in vivo. Interpretation In summary, lncRNA XIST upregulates IL-12A by binding to miR-21, thereby inducing NET formation and accelerating PGD after lung transplantation. This suggests that inhibition of XIST and NET may be beneficial for the treatment of PGD.
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Affiliation(s)
- Jiwei Li
- Department of Thoracic Surgery, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Henan University People's Hospital, Zhengzhou 450003, PR China
| | - Li Wei
- Department of Thoracic Surgery, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Henan University People's Hospital, Zhengzhou 450003, PR China.
| | - Zhijun Han
- Department of Thoracic Surgery, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Henan University People's Hospital, Zhengzhou 450003, PR China
| | - Zhong Chen
- Department of Thoracic Surgery, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Henan University People's Hospital, Zhengzhou 450003, PR China
| | - Quan Zhang
- Department of Thoracic Surgery, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Henan University People's Hospital, Zhengzhou 450003, PR China
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Rong H, Chen B, Wei X, Peng J, Ma K, Duan S, He J. Long non-coding RNA XIST expedites lung adenocarcinoma progression through upregulating MDM2 expression via binding to miR-363-3p. Thorac Cancer 2020; 11:659-671. [PMID: 31968395 PMCID: PMC7049521 DOI: 10.1111/1759-7714.13310] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 12/25/2019] [Accepted: 12/27/2019] [Indexed: 12/21/2022] Open
Abstract
Background Lung adenocarcinoma (LAD) is a highly aggressive malignant tumor which threatens the health and life of the population. Long non‐coding RNA X‐inactive specific transcript (XIST) and mouse double minute clone 2 (MDM2) are connected with the tumorigenesis of LAD. Nevertheless, whether MDM2 is regulated by XIST has not previously been reported in LAD. Methods Quantitative real‐time polymerase chain reaction (qRT‐PCR) was employed to detect the expression of XIST, microRNA‐363‐3p (miR‐363‐3p) and MDM2 in LAD tissues and cells. The proliferation, migration, invasion and apoptosis of LAD cells were determined by 3‐(4, 5‐dimethylthiazol‐2‐YI)‐2, 5‐diphenyltetrazolium bromide (MTT), transwell or flow cytometry assay, respectively. MDM2 protein level was detected using western blot analysis. Dual‐luciferase reporter assay, RNA immunoprecipitation (RIP) assay and RNA pulldown assay were performed to determine the interaction among XIST, miR‐363‐3p and MDM2. A xenograft tumor model was constructed to validate the effect of XIST on LAD cells in vivo. Results We found that XIST and MDM2 were remarkably elevated while miR‐363‐3p was reduced in LAD tissues and cells. Both XIST and MDM2 downregulation restrained proliferation, migration and invasion, and facilitated apoptosis of LAD cells in vitro. Importantly, XIST bound to miR‐363‐3p to modulate MDM2 expression in LAD cells. Moreover, miR‐363‐3p knockdown or MDM2 elevation reversed the effects of XIST downregulation on the proliferation, migration, invasion and apoptosis of LAD cells. Furthermore, XIST knockdown constrained tumor growth on LAD cells in vivo. Conclusions XIST knockdown repressed proliferation, migration and invasion, and accelerated apoptosis of LAD cells by downregulating MDM2 expression via binding to miR‐363‐3p. Key points Significant findings of the studyXIST and MDM2 were abnormally enhanced in LAD tissues and cells. Both downregulation of XIST and MDM2 repressed proliferation, migration and invasion, and boosted apoptosis of LAD cells in vitro. XIST bound to miR‐363‐3p to regulate MDM2 expression in LAD cells. Downregulation of XIST impeded tumor growth on LAD cells in vivo. What this study adds This study confirmed that XIST was a potential target for inhibiting the development of LAD, and affords a possible strategy for the treatment of LAD in the future.
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Affiliation(s)
- Hao Rong
- Department of Thoracic Surgery, Sichuan Cancer Hospital, Chengdu, China
| | - Bing Chen
- Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xing Wei
- Department of Thoracic Surgery, Sichuan Cancer Hospital, Chengdu, China
| | - Jun Peng
- Department of Thoracic Surgery, Sichuan Cancer Hospital, Chengdu, China
| | - Ke Ma
- Department of Thoracic Surgery, Sichuan Cancer Hospital, Chengdu, China
| | - Song Duan
- Department of Pathology, Chongqing Three Gorges Central Hospital, Chongqing, China
| | - Jintao He
- Department of Thoracic Surgery, Sichuan Cancer Hospital, Chengdu, China
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Wu X, Yuan Y, Ma R, Xu B, Zhang R. lncRNA SNHG7 affects malignant tumor behaviors through downregulation of EZH2 in uveal melanoma cell lines. Oncol Lett 2019; 19:1505-1515. [PMID: 32002036 PMCID: PMC6960395 DOI: 10.3892/ol.2019.11240] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 11/22/2019] [Indexed: 01/26/2023] Open
Abstract
Previous studies have demonstrated that the long non-coding RNA, small nucleolar RNA host gene 7 (SNHG7) plays an important role in several types of cancer; however, its role in the development of uveal melanoma (UM) remains unclear. The present study investigated the effect of SNHG7 on the prognosis of UM, as well as on cell proliferation, cell cycle and apoptosis of UM cell lines. Furthermore, the present study aimed to determine the molecular mechanisms underlying these effects. The association between SNHG7 and prognosis of UM was analyzed using detailed SNHG7 mRNA expression data and clinical information from The Cancer Genome Atlas database. Reverse transcription-quantitative PCR was used in order to detect the differential expression of SNHG7 in UM tissues and cell lines. Cell proliferation was detected using Cell Counting Kit-8 assays, following overexpression of SNHG7. A cell cycle assay was performed using propidium iodide/RNase staining. An apoptosis assay was performed using the Annexin-V-Fluorescein isothiocyanate apoptosis detection kit. The expression of enhancer of zeste homolog 2 (EZH2) was measured via western blotting. The results of the present study indicated that low expression of SNHG7 was associated with poor prognosis. Furthermore, increasing the expression of SNHG7 inhibited the proliferation of UM cells, suppressed cell cycle progression and promoted apoptosis. Western blot analysis results revealed that overexpression of SNHG7 downregulated EZH2 protein expression levels in UM cell lines. The results of the present study demonstrated that SNHG7 inhibited malignant transformation of UM cells by regulating EZH2 expression.
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Affiliation(s)
- Xue Wu
- Department of Ophthalmology, Eye and ENT Hospital of Fudan University, Shanghai 200031, P.R. China
| | - Yiqun Yuan
- Department of Ophthalmology, Eye and ENT Hospital of Fudan University, Shanghai 200031, P.R. China
| | - Ruiqi Ma
- Department of Ophthalmology, Eye and ENT Hospital of Fudan University, Shanghai 200031, P.R. China
| | - Binbin Xu
- Department of Ophthalmology, Eye and ENT Hospital of Fudan University, Shanghai 200031, P.R. China
| | - Rui Zhang
- Department of Ophthalmology, Eye and ENT Hospital of Fudan University, Shanghai 200031, P.R. China
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Yue D, Guanqun G, Jingxin L, Sen S, Shuang L, Yan S, Minxue Z, Ping Y, Chong L, Zhuobo Z, Yafen W. Silencing of long noncoding RNA XIST attenuated Alzheimer's disease-related BACE1 alteration through miR-124. Cell Biol Int 2019; 44:630-636. [PMID: 31743528 DOI: 10.1002/cbin.11263] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 11/14/2019] [Indexed: 12/31/2022]
Abstract
Alzheimer's disease (AD) is a chronic progressive neurodegenerative disorder. However, its pathogenetic mechanism is still poorly understood. An increasing number of studies have evidenced the important role of long noncoding RNAs (lncRNAs) in AD. The aim of the current study was to investigate the effect and molecular mechanism of the lncRNA X-inactive specific transcript (XIST) in AD. Bilateral common carotid artery occlusion (2VO) was used to induce an AD model in mice. Hydrogen peroxide (H2 O2 ) was used to induce an AD model in N2a cells. The lncRNA XIST, miR-124, and BACE1 messenger RNA expression levels were detected by a real-time polymerase chain reaction. The BACE1 protein expression level was detected by western blot and immunofluorescence assay. The Aβ1-42 expression level was detected using an enzyme-linked immunosorbent assay kit. The expression level of lncRNA XIST was significantly upregulated in AD models, both in vivo and in vitro. Silencing of lncRNA XIST negatively regulated miR-124 and positively regulated BACE1 expression in N2a cells, which is attenuated by cotransfection of anti-miR-124 oligodeoxyribonucleotide (AMO-124). Silencing of lncRNA XIST reversed the effect of H2 O2 on miR-124, BACE1, and Aβ1-42 expression in N2a cells, which was reversed by cotransfection of AMO-124. Silencing of lncRNA XIST attenuated AD-related BACE1 alteration through miR-124. LncRNA XIST may be a new potential target for the treatment of AD.
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Affiliation(s)
- Du Yue
- Harbin Medical University Fourth Hospital, Neurology, Harbin, 150001, China
| | - Gao Guanqun
- Harbin Medical University Fourth Hospital, Neurology, Harbin, 150001, China
| | - Li Jingxin
- Heilongjiang Provincial Hospital, Neurology, Harbin, Heilongjiang, 150030, China
| | - Suo Sen
- Harbin Medical University Fourth Hospital, Neurology, Harbin, 150001, China
| | - Liu Shuang
- Heilongjiang Provincial Hospital, Neurology, Harbin, Heilongjiang, 150030, China
| | - Sun Yan
- Harbin Medical University Fourth Hospital, Neurology, Harbin, 150001, China
| | - Zhang Minxue
- Harbin Medical University Fourth Hospital, Neurology, Harbin, 150001, China
| | - Yin Ping
- Heilongjiang Provincial Hospital, Neurology, Harbin, Heilongjiang, 150030, China
| | - Lu Chong
- Heilongjiang Provincial Hospital, Neurology, Harbin, Heilongjiang, 150030, China
| | - Zhang Zhuobo
- Harbin Medical University Fourth Hospital, Neurology, Harbin, 150001, China
| | - Wei Yafen
- Heilongjiang Provincial Hospital, Neurology, Harbin, Heilongjiang, 150030, China
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Sun Y, Xu J. TCF-4 Regulated lncRNA-XIST Promotes M2 Polarization Of Macrophages And Is Associated With Lung Cancer. Onco Targets Ther 2019; 12:8055-8062. [PMID: 31632059 PMCID: PMC6781636 DOI: 10.2147/ott.s210952] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 09/03/2019] [Indexed: 12/13/2022] Open
Abstract
Background Little is known about the biological function of long non-coding RNA X inactive specific transcript (lncRNA XIST) and its underlying mechanism in tumor-associated macrophage (TAM) polarization of lung cancer. Materials and methods The expression of lncRNA XIST in macrophages was detected by RT-qPCR. The function of lncRNA XIST on IL-4-induced M2 polarization was evaluated by transfection of shRNA and RT-qPCR or Western blotting detection of M2 specific markers. Contact between T-cell-specific transcription factor 4 (TCF-4) and lncRNA XIST was verified by bioinformatics and luciferase assay. The relation between lncRNA XIST and lung cancer was determined by bioinformatics. Results The expression of lncRNA XIST in THP-1-differentiated macrophages was significantly increased in M2 macrophages than M1 (P < 0.05). lncRNA XIST downregulation suppressed the IL-4-induced M2 polarization, inducing downregulation of M2 specific markers such as IL-10, Arg-1, and CD163. However, the suppression was aborted by overexpression of TCF-4. Mechanistically, lncRNA XIST was regulated by TCF-4 through direct binding. Additionally, lung cancer conditioned macrophages exhibited high expression of lncRNA XIST and lung cancer tissues highly expressed TCF-4, indicating TCF-4 regulated lncRNA XIST closely correlated with macrophage polarization and tumor progression of lung cancer. Conclusion Taken together, this study demonstrated the important role of TCF-4 regulated lncRNA XIST in regulating M2 polarization and gave a novel insight into the TAMs regulation and potential therapeutic target of lung cancer.
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Affiliation(s)
- Yanbin Sun
- Department of Thoracic Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning Province 110001, People's Republic of China
| | - Jingjing Xu
- Department of Rheumatology, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province 110004, People's Republic of China
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Xiao G, Wang P, Zheng X, Liu D, Sun X. FAM83A-AS1 promotes lung adenocarcinoma cell migration and invasion by targeting miR-150-5p and modifying MMP14. Cell Cycle 2019; 18:2972-2985. [PMID: 31522616 DOI: 10.1080/15384101.2019.1664225] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Accumulating evidence has indicated that long noncoding RNAs (lncRNAs) play pivotal roles in the processes of cancer occurrence, progression, and treatment. FAM83A-AS1 is a novel onco-lncRNA involved in various cancers. Nevertheless, the biological function and underlying mechanism of FAM83A-AS1 in lung adenocarcinoma (LUAD) remain largely unclear. In this study, we found FAM83A-AS1 to be upregulated in LUAD tissues and closely associated with tumor size, lymph node metastasis, and TNM stage. In addition, high FAM83A-AS1 expression correlated positively with a poor prognosis. Functional investigation revealed that FAM83A-AS1 promotes LUAD cell proliferation, migration, invasion and the epithelial-mesenchymal transition (EMT) in vitro and tumor growth in vivo. Mechanistically, FAM83A-AS1 functions as an endogenous sponge of miR-150-5p by directly targeting it, removing inhibition of MMP14, a target of miR-150-5p. Furthermore, rescue assays demonstrated that FAM83A-AS1 enhances cell migration, invasion and EMT by modulating the miR-150-5p/MMP14 pathway. Collectively, we conclude that the novel FAM83A-AS1/miR-150-5p/MMP14 axis regulates LUAD progression, suggesting an innovative therapeutic strategy for this cancer.
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Affiliation(s)
- Guodong Xiao
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University , Zhengzhou , China
| | - Peili Wang
- Breast Cancer Center, Affiliated Cancer Hospital of Zhengzhou University , Zhengzhou , China
| | - Xiaoqiang Zheng
- Department of Oncology, Cancer Center, The First Affiliated Hospital of Xi'an Jiaotong University , Xi'an , China
| | - Dapeng Liu
- The Second Department of Thoracic Surgery, Cancer Center, The First Affiliated Hospital of Xi'an Jiaotong University , Xi'an , China
| | - Xin Sun
- The Second Department of Thoracic Surgery, Cancer Center, The First Affiliated Hospital of Xi'an Jiaotong University , Xi'an , China
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Wang H, Li W, Tan G. [Long non-coding RNA XIST modulates cisplatin resistance by altering PDCD4 and Fas-Lexpressions in human nasopharyngeal carcinoma HNE1 cells in vitro]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2019; 39:357-363. [PMID: 31068307 DOI: 10.12122/j.issn.1673-4254.2019.03.15] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To explore the role of long non-coding RNA (lncRNA) X inactive specific transcript (XIST) in modulating cisplatin (DDP) resistance of human nasopharyngeal carcinoma cells and investigate the possible mechanism. METHODS Realtime PCR was performed to detect the expression of XIST in cisplatin-resistant human nasopharyngeal carcinoma cell line HNE1/DDP. The effects of up-regulation and down-regulation of XIST on DDP resistance, proliferation and apoptosis of HNE1/ DDP cells were assessed using MTT assay, EdU assay and flow cytometry. Western blotting was used to detect the changes in the expressions of programmed cell death 4 (PDCD4) and Fas ligand (Fas-L) proteins in the cells in response to up-regulation or down-regulation of XIST. RESULTS The expression of XIST was significantly up-regulated in HNE1/DDP cells in comparison with HNE1 cells (0.57±0.06 vs 0.1±0.02, P < 0.05). Down-regulation of XIST significantly decreased while up-regulation of XIST obviously increased DDP resistance of HNE1/DDP cells (P < 0.05). Down-regulation of XIST significantly reduced the proliferation (6.17 ± 1.93 vs 16.59 ± 4.86, P < 0.05) and enhanced apoptosis [(18.04 ± 4.72)% vs (4.22 ± 1.65)%, P < 0.05], while upregulating XIST enhanced the proliferation (25.40±7.21 vs 13.16±3.95, P < 0.05) and inhibited apoptosis [(2.82±0.88)% vs (6.46± 1.75)%, P < 0.05] in HNE1/DDP cells. Down-regulation of XIST significantly increased the protein expressions of PDCD4 and Fas-L (P < 0.05) in HNE1/DDP cells, and up-regulation of XIST resulted in reverse changes in PDCD4 and Fas-L expressions (P < 0.05). CONCLUSIONS XIST is up-regulated in HNE1/DDP cells, and down-regulation and up-regulation of XIST expression reduce and increase DDP resistance of the cells, respectively, possibly as a result of changes in the expressions of PDCD4 and Fas-L.
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Affiliation(s)
- Hao Wang
- Department of Otolaryngology-Head and Neck Surgery, Third Xiangya Hospital of Central South University, Changsha 410013, China
| | - Wei Li
- Department of Otolaryngology-Head and Neck Surgery, Third Xiangya Hospital of Central South University, Changsha 410013, China
| | - Guolin Tan
- Department of Otolaryngology-Head and Neck Surgery, Third Xiangya Hospital of Central South University, Changsha 410013, China
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Zhao X, Tang DY, Zuo X, Zhang TD, Wang C. Identification of lncRNA-miRNA-mRNA regulatory network associated with epithelial ovarian cancer cisplatin-resistant. J Cell Physiol 2019; 234:19886-19894. [PMID: 30950060 DOI: 10.1002/jcp.28587] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 03/10/2019] [Accepted: 03/19/2019] [Indexed: 12/12/2022]
Abstract
To construct a long noncoding RNA (lncRNA)-microRNA (miRNA)-messenger RNA (mRNA) regulatory network related to epithelial ovarian cancer (EOC) cisplatin-resistant, differentially expressed genes (DEGs), differentially expressed lncRNAs (DELs), and differentially expressed miRNAs (DEMs) between MDAH and TOV-112D cells lines were identified. Gene Ontology (GO) analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis were conducted to analyze the biological functions of DEGs. Downstream mRNAs or upstream lncRNAs for miRNAs were analyzed at miRTarBase 7.0 or DIANA-LncBase V2, respectively. A total of 485 significant DEGs, 85 DELs, and 5 DEMs were identified. Protein-protein interaction (PPI) network of DEGs contrains 81 nodes and 141 edges was constructed, and 25 hub genes related to EOC cisplatin-resistant were identified. Subsequently, a lncRNA-miRNA-mRNA regulatory network contains 4 lncRNAs, 4 miRNAs, and 35 mRNAs was established. Taken together, our study provided evidence concerning the alteration genes involved in EOC cisplatin-resistant, which will help to unravel the mechanisms underlying drug resistant.
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Affiliation(s)
- Xin Zhao
- Department of Pharmacy, Xinxiang Central Hospital, Xinxiang, Henan, P. R. China
| | - Dong-Yang Tang
- Department of Experimental Management Center, Henan Institute of Science and Technology, Xinxiang, Henan, P. R. China
| | - Xu Zuo
- Department of Pharmacy, Xinxiang Central Hospital, Xinxiang, Henan, P. R. China
| | - Tian-Dong Zhang
- Department of Pharmacy, Xinxiang Central Hospital, Xinxiang, Henan, P. R. China
| | - Cheng Wang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, P. R. China
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Liu L, Pang X, Shang W, Xie H, Feng Y, Feng G. Long non-coding RNA GAS5 sensitizes renal cell carcinoma to sorafenib via miR-21/SOX5 pathway. Cell Cycle 2019; 18:257-263. [PMID: 29895198 PMCID: PMC6380417 DOI: 10.1080/15384101.2018.1475826] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Although the use of sorafenib appears to increase the survival rate of renal cell carcinoma (RCC) patients, there is also a proportion of patients who exhibit a poor primary response to sorafenib treatment. Therefore, it is critical to elucidate the mechanisms underlying sorafenib resistance and find representative biomarkers for sorafenib treatment in RCC patients. Herein, we identified that a long noncoding RNA GAS5 was downregulated in sorafenib nonresponsive RCCs. GAS5 overexpression conferred sorafenib sensitive to nonresponsive RCC cells, whereas knockdown of GAS5 promoted responsive RCC cells resistant to sorafenib treatment in vitro and in vivo. Mechanistically, GAS5 functioned as competing endogenous RNA to repress miR-21, which controlled its down-stream target SOX5. We proposed that GAS5 was responsible for sorafenib resistance in RCC cells and GAS5 exerted its function through the miR-21/ SOX5 axis. Our findings suggested that GAS5 downregulation may be a new marker of poor response to sorafenib and GAS5 could be a potential therapeutic target for sorafenib treatment in RCC.
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Affiliation(s)
- Lei Liu
- Department of kidney transplantation, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, P. R. China
| | - Xinlu Pang
- Department of kidney transplantation, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, P. R. China
| | - Wenjin Shang
- Department of kidney transplantation, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, P. R. China
| | - Hongchang Xie
- Department of kidney transplantation, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, P. R. China
| | - Yonghua Feng
- Department of kidney transplantation, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, P. R. China
| | - Guiwen Feng
- Department of kidney transplantation, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, P. R. China,CONTACT Guiwen Feng
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