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Wang H. LINC00092 Enhances LPP Expression to Repress Thyroid Cancer Development via Sponging miR-542-3p. Horm Metab Res 2024; 56:150-158. [PMID: 37935247 DOI: 10.1055/a-2180-6624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
LINC00092 is poorly expressed in Thyroid cancer (TC), while its role in TC tumorigenesis is still elusive. This study aimed to reveal the role and regulatory mechanism of LINC00092 in TC.RNA immunoprecipitation and dual luciferase reporter assays were employed to ascertain the relationships among lipoma preferred partner (LPP), miR-542-3p, and LINC00092. qRT-PCR analysis was performed to detect their expression levels in TC. LPP protein productions were evaluated via western blotting. CCK-8, transwell, and colony formation assays were done to estimate TC cells' biological functions. A murine xenograft model was built to observe tumor formation in vivo.LINC00092 overexpression decreased the expression levels of miR-542-3p, and LPP was targeted by miR-542-3p. In TC cells and tissues, the elevation of miR-542-3p, and low amounts of LINC00092 and LPP can be observed. Both LINC00092 and SPAG6 were considered as the antineoplastic factors in TC since their overexpression dramatically repressed TC cells' invasive and proliferative potentials, while miR-542-3p exerted the opposite functions in TC. The ectopic expression of LINC00092 also suppressed tumor growth in vivo. In addition, it revealed that miR-542-3p upregulation reversed LINC00092 overexpression-mediated effects on TC cells. At the same time, the enhanced influences of TC cells caused by miR-542-3p upregulation could be attenuated by the enforced LPP.This study innovatively reveals that LINC00092 acts as an antineoplastic lncRNA to restrain the development of TC via regulating miR-542-3p/LPP. The findings of this study may provide a prospective drug target on LINC00092/miR-542-3p/LPP axis for the treatment of TC.
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Affiliation(s)
- Huan Wang
- General Practice Section, Wuhan University of Science and Technology Hospital, Wuhan, China
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Zhuang Q, Dai Z, Xu X, Bai S, Zhang Y, Zheng Y, Xing X, Hu E, Wang Y, Guo W, Zhao B, Zeng Y, Liu X. RNA Methyltransferase FTSJ3 Regulates the Type I Interferon Pathway to Promote Hepatocellular Carcinoma Immune Evasion. Cancer Res 2024; 84:405-418. [PMID: 37963197 DOI: 10.1158/0008-5472.can-23-2049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 09/29/2023] [Accepted: 11/07/2023] [Indexed: 11/16/2023]
Abstract
Immunotherapies such as immune checkpoint blockade have achieved remarkable success in treating cancer. Unfortunately, response rates have been limited in multiple cancers including hepatocellular carcinoma (HCC). The critical function of epigenetics in tumor immune evasion and antitumor immunity supports harnessing epigenetic regulators as a potential strategy to enhance the efficacy of immunotherapy. Here, we discovered a tumor-promoting function of FTSJ3, an RNA 2'-O-methyltransferase, in HCC by suppressing antitumor immune responses. FTSJ3 was upregulated in hepatocellular carcinoma, and high FTSJ3 expression correlated with reduced patient survival. Deletion of FTSJ3 blocked HCC growth and induced robust antitumor immune responses. Mechanistically, FTSJ3 suppressed double-stranded RNA (dsRNA)-induced IFNβ signaling in a 2'-O-methyltransferase manner. Deletion of RNA sensors in HCC cells or systemic knockout of type I IFN receptor IFNAR in mice rescued the in vivo tumor growth defect caused by FTSJ3 deficiency, indicating that FTSJ3 deletion suppresses tumor growth by activating the RNA sensor-mediated type I IFN pathway. Furthermore, FTSJ3 deletion significantly enhanced the efficacy of programmed cell death protein 1 (PD-1) immune checkpoint blockade. The combination of FTSJ3 deficiency and anti-PD-1 antibody treatment effectively eradicated tumors and increased the survival time. In conclusion, this study reveals an epigenetic mechanism of tumor immune evasion and, importantly, suggests FTSJ3-targeting therapies as potential approach to overcome immunotherapy resistance in patients with HCC. SIGNIFICANCE Hepatocellular carcinoma cells use 2'-O-methylation catalyzed by FTSJ3 for immune evasion by suppressing abnormal dsRNA-mediated type I IFN responses, providing a potential target to activate antitumor immunity and enhance immunotherapy efficacy.
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Affiliation(s)
- Qiuyu Zhuang
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, P.R. China
- The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, P.R. China
- Mengchao Med-X Center, Fuzhou University, Fuzhou, P.R. China
| | - Zhiguo Dai
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, P.R. China
- The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, P.R. China
- Mengchao Med-X Center, Fuzhou University, Fuzhou, P.R. China
| | - Xuechun Xu
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, P.R. China
- The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, P.R. China
- Mengchao Med-X Center, Fuzhou University, Fuzhou, P.R. China
| | - Shaoyi Bai
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, P.R. China
- The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, P.R. China
- Mengchao Med-X Center, Fuzhou University, Fuzhou, P.R. China
| | - Yindan Zhang
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, P.R. China
- The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, P.R. China
| | - Youshi Zheng
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, P.R. China
- The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, P.R. China
- Mengchao Med-X Center, Fuzhou University, Fuzhou, P.R. China
| | - Xiaohua Xing
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, P.R. China
- The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, P.R. China
- Mengchao Med-X Center, Fuzhou University, Fuzhou, P.R. China
| | - En Hu
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, P.R. China
- The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, P.R. China
- Mengchao Med-X Center, Fuzhou University, Fuzhou, P.R. China
| | - Yingchao Wang
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, P.R. China
- The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, P.R. China
- Mengchao Med-X Center, Fuzhou University, Fuzhou, P.R. China
| | - Wuhua Guo
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, P.R. China
- The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, P.R. China
- Mengchao Med-X Center, Fuzhou University, Fuzhou, P.R. China
| | - Bixing Zhao
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, P.R. China
- The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, P.R. China
- Mengchao Med-X Center, Fuzhou University, Fuzhou, P.R. China
| | - Yongyi Zeng
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, P.R. China
- The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, P.R. China
- Mengchao Med-X Center, Fuzhou University, Fuzhou, P.R. China
| | - Xiaolong Liu
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, P.R. China
- The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, P.R. China
- Mengchao Med-X Center, Fuzhou University, Fuzhou, P.R. China
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3
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Tang Q, Li L, Wang Y, Wu P, Hou X, Ouyang J, Fan C, Li Z, Wang F, Guo C, Zhou M, Liao Q, Wang H, Xiang B, Jiang W, Li G, Zeng Z, Xiong W. RNA modifications in cancer. Br J Cancer 2023; 129:204-221. [PMID: 37095185 PMCID: PMC10338518 DOI: 10.1038/s41416-023-02275-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 03/30/2023] [Accepted: 04/06/2023] [Indexed: 04/26/2023] Open
Abstract
Currently, more than 170 modifications have been identified on RNA. Among these RNA modifications, various methylations account for two-thirds of total cases and exist on almost all RNAs. Roles of RNA modifications in cancer are garnering increasing interest. The research on m6A RNA methylation in cancer is in full swing at present. However, there are still many other popular RNA modifications involved in the regulation of gene expression post-transcriptionally besides m6A RNA methylation. In this review, we focus on several important RNA modifications including m1A, m5C, m7G, 2'-O-Me, Ψ and A-to-I editing in cancer, which will provide a new perspective on tumourigenesis by peeking into the complex regulatory network of epigenetic RNA modifications, transcript processing, and protein translation.
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Affiliation(s)
- Qiling Tang
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, 410078, Changsha, Hunan, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China
| | - Lvyuan Li
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, 410078, Changsha, Hunan, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China
| | - Yumin Wang
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China
- Department of Otolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, 410078, Changsha, Hunan, China
| | - Pan Wu
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, 410078, Changsha, Hunan, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China
| | - Xiangchan Hou
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, 410078, Changsha, Hunan, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China
| | - Jiawei Ouyang
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, 410078, Changsha, Hunan, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China
| | - Chunmei Fan
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, 410078, Changsha, Hunan, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China
| | - Zheng Li
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China
| | - Fuyan Wang
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China
| | - Can Guo
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China
| | - Ming Zhou
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China
| | - Qianjin Liao
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, 410078, Changsha, Hunan, China
| | - Hui Wang
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, 410078, Changsha, Hunan, China
| | - Bo Xiang
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, 410078, Changsha, Hunan, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China
| | - Weihong Jiang
- Department of Otolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, 410078, Changsha, Hunan, China
| | - Guiyuan Li
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, 410078, Changsha, Hunan, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China
| | - Zhaoyang Zeng
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, 410078, Changsha, Hunan, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China
| | - Wei Xiong
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, 410078, Changsha, Hunan, China.
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, 410078, Changsha, Hunan, China.
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4
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Alshahrani SH, Rakhimov N, Gupta J, Hassan ZF, Alsalamy A, Saleh EAM, Alsaab HO, Al-Aboudy FK, Alawadi AR, Mustafa YF. The mechanisms, functions and clinical applications of miR-542-3p in human cancers. Pathol Res Pract 2023; 248:154724. [PMID: 37542861 DOI: 10.1016/j.prp.2023.154724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 07/24/2023] [Accepted: 07/26/2023] [Indexed: 08/07/2023]
Abstract
MicroRNAs, as a major type of noncoding RNAs, have crucial roles in various functions during development. Available data have shown that miR-542-3p decreased in various types of cancers. MiR-542-3p is engaged in various cancer-related behaviors like glycolysis, metastasis, epithelial-to-mesenchymal transition (EMT), cell cycle, apoptosis, and proliferation via targeting at least 18 genes and some important signaling pathways like Wnt/β-catenin, Extracellular signal-regulated protein kinases 1 and 2 (ERK1/2) and Janus kinase 2 (JAK2) signaling, and phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT) signaling. Current studies have proposed that the level of miR-542-3p could be modulated by several upstream regulators like transcription factors, long noncoding RNAs (lncRNAs), and circular RNAs (circRNAs). In addition, the level of miR-542-3p or its related lncRNAs/circRNAs are correlated with poor prognosis and clinicopathological features of cancer-affected patients. Here, we have discussed the biogenesis, function, and regulation of miR-542-3p as well as its aberrant expression in various types of neoplastic cells. Moreover, we have discussed the prognostic value of miR-542-3p in cancer. Finally, we have added the underlying molecular mechanism of miR-542-3p in cancer pathogenesis.
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Affiliation(s)
| | - Nodir Rakhimov
- Head of the Department of Oncology, Samarkand State Medical University, Amir Temur street 18, Samarkand, Uzbekistan; Department of Scientific Affairs, Tashkent State Dental Institute, Makhtumkuli 103, Tashkent, Uzbekistan
| | - Jitendra Gupta
- Institute of Pharmaceutical Research, GLA University, Mathura Pin Code 281406, U. P., India.
| | | | - Ali Alsalamy
- Department of Computer Technical engineering, College of Information Technology Imam Ja'afarAl-Sadiq University Al-Muthanna, Iraq
| | - Ebraheem Abdu Musad Saleh
- Department of Chemistry, Prince Sattam Bin Abdulaziz University, Wadi Al-Dawasir 11991, Saudi Arabia
| | - Hashem O Alsaab
- Department of Pharmaceutics and Pharmaceutical Technology, Taif University, Taif, Saudi Arabia
| | | | - Ahmed Radhi Alawadi
- Medical Analysis Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul 41001, Iraq
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5
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Brown JS. Comparison of Oncogenes, Tumor Suppressors, and MicroRNAs Between Schizophrenia and Glioma: The Balance of Power. Neurosci Biobehav Rev 2023; 151:105206. [PMID: 37178944 DOI: 10.1016/j.neubiorev.2023.105206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 04/25/2023] [Accepted: 04/30/2023] [Indexed: 05/15/2023]
Abstract
The risk of cancer in schizophrenia has been controversial. Confounders of the issue are cigarette smoking in schizophrenia, and antiproliferative effects of antipsychotic medications. The author has previously suggested comparison of a specific cancer like glioma to schizophrenia might help determine a more accurate relationship between cancer and schizophrenia. To accomplish this goal, the author performed three comparisons of data; the first a comparison of conventional tumor suppressors and oncogenes between schizophrenia and cancer including glioma. This comparison determined schizophrenia has both tumor-suppressive and tumor-promoting characteristics. A second, larger comparison between brain-expressed microRNAs in schizophrenia with their expression in glioma was then performed. This identified a core carcinogenic group of miRNAs in schizophrenia offset by a larger group of tumor-suppressive miRNAs. This proposed "balance of power" between oncogenes and tumor suppressors could cause neuroinflammation. This was assessed by a third comparison between schizophrenia, glioma and inflammation in asbestos-related lung cancer and mesothelioma (ALRCM). This revealed that schizophrenia shares more oncogenic similarity to ALRCM than glioma.
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6
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Brazane M, Dimitrova DG, Pigeon J, Paolantoni C, Ye T, Marchand V, Da Silva B, Schaefer E, Angelova MT, Stark Z, Delatycki M, Dudding-Byth T, Gecz J, Plaçais PY, Teysset L, Préat T, Piton A, Hassan BA, Roignant JY, Motorin Y, Carré C. The ribose methylation enzyme FTSJ1 has a conserved role in neuron morphology and learning performance. Life Sci Alliance 2023; 6:e202201877. [PMID: 36720500 PMCID: PMC9889914 DOI: 10.26508/lsa.202201877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/08/2023] [Accepted: 01/10/2023] [Indexed: 02/02/2023] Open
Abstract
FTSJ1 is a conserved human 2'-O-methyltransferase (Nm-MTase) that modifies several tRNAs at position 32 and the wobble position 34 in the anticodon loop. Its loss of function has been linked to X-linked intellectual disability (XLID), and more recently to cancers. However, the molecular mechanisms underlying these pathologies are currently unclear. Here, we report a novel FTSJ1 pathogenic variant from an X-linked intellectual disability patient. Using blood cells derived from this patient and other affected individuals carrying FTSJ1 mutations, we performed an unbiased and comprehensive RiboMethSeq analysis to map the ribose methylation on all human tRNAs and identify novel targets. In addition, we performed a transcriptome analysis in these cells and found that several genes previously associated with intellectual disability and cancers were deregulated. We also found changes in the miRNA population that suggest potential cross-regulation of some miRNAs with these key mRNA targets. Finally, we show that differentiation of FTSJ1-depleted human neural progenitor cells into neurons displays long and thin spine neurites compared with control cells. These defects are also observed in Drosophila and are associated with long-term memory deficits. Altogether, our study adds insight into FTSJ1 pathologies in humans and flies by the identification of novel FTSJ1 targets and the defect in neuron morphology.
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Affiliation(s)
- Mira Brazane
- Transgenerational Epigenetics & Small RNA Biology, Sorbonne Université, Centre National de la Recherche Scientifique, Laboratoire de Biologie du Développement - Institut de Biologie Paris Seine, Paris, France
| | - Dilyana G Dimitrova
- Transgenerational Epigenetics & Small RNA Biology, Sorbonne Université, Centre National de la Recherche Scientifique, Laboratoire de Biologie du Développement - Institut de Biologie Paris Seine, Paris, France
| | - Julien Pigeon
- Paris Brain Institute-Institut du Cerveau (ICM), Sorbonne Université, Inserm, CNRS, Hôpital Pitié-Salpêtrière, Paris, France
| | - Chiara Paolantoni
- Center for Integrative Genomics, Génopode Building, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - Tao Ye
- Institute of Genetics and Molecular and Cellular Biology, Strasbourg University, CNRS UMR7104, INSERM U1258, Illkirch, France
| | - Virginie Marchand
- Université de Lorraine, CNRS, INSERM, EpiRNASeq Core Facility, UMS2008/US40 IBSLor,Nancy, France
| | - Bruno Da Silva
- Transgenerational Epigenetics & Small RNA Biology, Sorbonne Université, Centre National de la Recherche Scientifique, Laboratoire de Biologie du Développement - Institut de Biologie Paris Seine, Paris, France
| | - Elise Schaefer
- Service de Génétique Médicale, Hôpitaux Universitaires de Strasbourg, Institut de Génétique Médicale d'Alsace, Strasbourg, France
| | - Margarita T Angelova
- Transgenerational Epigenetics & Small RNA Biology, Sorbonne Université, Centre National de la Recherche Scientifique, Laboratoire de Biologie du Développement - Institut de Biologie Paris Seine, Paris, France
| | - Zornitza Stark
- Victorian Clinical Genetics Services, Murdoch Children's Research Institute, Melbourne, Australia; Department of Paediatrics, The University of Melbourne, Melbourne, Australia
| | - Martin Delatycki
- Victorian Clinical Genetics Services, Murdoch Children's Research Institute, Melbourne, Australia; Department of Paediatrics, The University of Melbourne, Melbourne, Australia
| | | | - Jozef Gecz
- Adelaide Medical School and Robinson Research Institute, The University of Adelaide; South Australian Health and Medical Research Institute, Adelaide, Australia
| | - Pierre-Yves Plaçais
- Energy & Memory, Brain Plasticity Unit, CNRS, ESPCI Paris, PSL Research University, Paris, France
| | - Laure Teysset
- Transgenerational Epigenetics & Small RNA Biology, Sorbonne Université, Centre National de la Recherche Scientifique, Laboratoire de Biologie du Développement - Institut de Biologie Paris Seine, Paris, France
| | - Thomas Préat
- Energy & Memory, Brain Plasticity Unit, CNRS, ESPCI Paris, PSL Research University, Paris, France
| | - Amélie Piton
- Institute of Genetics and Molecular and Cellular Biology, Strasbourg University, CNRS UMR7104, INSERM U1258, Illkirch, France
| | - Bassem A Hassan
- Paris Brain Institute-Institut du Cerveau (ICM), Sorbonne Université, Inserm, CNRS, Hôpital Pitié-Salpêtrière, Paris, France
| | - Jean-Yves Roignant
- Center for Integrative Genomics, Génopode Building, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Yuri Motorin
- Université de Lorraine, CNRS, UMR7365 IMoPA, Nancy, France
| | - Clément Carré
- Transgenerational Epigenetics & Small RNA Biology, Sorbonne Université, Centre National de la Recherche Scientifique, Laboratoire de Biologie du Développement - Institut de Biologie Paris Seine, Paris, France
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7
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The Importance of the Immune System and Molecular Cell Signaling Pathways in the Pathogenesis and Progression of Lung Cancer. Int J Mol Sci 2023; 24:ijms24021506. [PMID: 36675020 PMCID: PMC9861992 DOI: 10.3390/ijms24021506] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/04/2023] [Accepted: 01/08/2023] [Indexed: 01/13/2023] Open
Abstract
Lung cancer is a disease that in recent years has become one of the greatest threats to modern society. Every year there are more and more new cases and the percentage of deaths caused by this type of cancer increases. Despite many studies, scientists are still looking for answers regarding the mechanisms of lung cancer development and progression, with particular emphasis on the role of the immune system. The aim of this literature review was to present the importance of disorders of the immune system and the accompanying changes at the level of cell signaling in the pathogenesis of lung cancer. The collected results showed that in the process of immunopathogenesis of almost all subtypes of lung cancer, changes in the tumor microenvironment, deregulation of immune checkpoints and abnormalities in cell signaling pathways are involved, which contribute to the multistage and multifaceted carcinogenesis of this type of cancer. We, therefore, suggest that in future studies, researchers should focus on a detailed analysis of tumor microenvironmental immune checkpoints, and to validate their validity, perform genetic polymorphism analyses in a wide range of patients and healthy individuals to determine the genetic susceptibility to lung cancer development. In addition, further research related to the analysis of the tumor microenvironment; immune system disorders, with a particular emphasis on immunological checkpoints and genetic differences may contribute to the development of new personalized therapies that improve the prognosis of patients.
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8
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Huang QR, Li JW, Pan XB. A novel risk signature with 6 RNA binding proteins for prognosis prediction in patients with glioblastoma. Medicine (Baltimore) 2021; 100:e28065. [PMID: 35049227 PMCID: PMC9191310 DOI: 10.1097/md.0000000000028065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 11/10/2021] [Indexed: 11/26/2022] Open
Abstract
Recent studies suggested that RNA binding proteins (RBPs) were related to the tumorigenesis and progression of glioma. This study was conducted to identify prognostic RBPs of glioblastoma (GBM) and construct an RBP signature to predict the prognosis of GBM.Univariate Cox regression analysis was carried out to identify the RBPs associated with overall survival of GBM in the The Cancer Genome Atlas (TCGA), GSE16011, and Repository for Molecular Brain Neoplasia data (Rembrandt) datasets, respectively. Overlapping RBPs from the TCGA, GSE16011, and Rembrandt datasets were selected. The biological role of prognostic RBPs was assessed by Gene Ontology, Kyoto Encyclopedia of Genes and Genomes, and protein-protein interaction analyses. Least absolute shrinkage and selection operator regression analysis and multivariate Cox regression analysis were used to construct an RBP-related risk signature. The prognostic value of RBP signature was measured by Kaplan-Meier method and time-dependent receiver operating characteristic curve. A nomogram based on independent prognostic factors was established to predict survival for GBM. The CGGA cohort was used as the validation cohort for external validation.This study identified 27 RBPs associated with the prognosis of GBM and constructed a 6-RPBs signature. Kaplan-Meier curves suggested that high-risk score was associated with a poor prognosis. Area under the curve of 1-, 3-, and 5-year overall survival was 0.618, 0.728, and 0.833 for TCGA cohort, 0.655, 0.909, and 0.911 for GSE16011 cohort, and 0.665, 0.792, and 0.781 for Rembrandt cohort, respectively. A nomogram with 4 parameters (age, chemotherapy, O6-methylguanine-DNA methyltransferase promoter status, and risk score) was constructed. The calibration curve showed that the nomogram prediction was in good agreement with the actual observation.The 6-RBPs signature could effectively predict the prognosis of GBM, and our findings supplemented the prognostic index of GBM to a certain extent.
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Affiliation(s)
- Qian-Rong Huang
- Department of Neurosurgery, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, P.R. China
| | - Jian-Wen Li
- Department of Neurosurgery, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, P.R. China
| | - Xin-Bin Pan
- Department of Radiation Oncology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, P.R. China
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Luo H, Yi T, Huang D, Chen X, Li X, Wan Q, Huang H, Huang H, Wei H, Song Y, Que T, Hu R, Huang H, Luo K, Li C, Qin C, Zheng C, Lan C, Chen W, Zhou D, Luo Q. circ_PTN contributes to -cisplatin resistance in glioblastoma via PI3K/AKT signaling through the miR-542-3p/PIK3R3 pathway. MOLECULAR THERAPY - NUCLEIC ACIDS 2021; 26:1255-1269. [PMID: 34853725 PMCID: PMC8607136 DOI: 10.1016/j.omtn.2021.08.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 08/31/2021] [Indexed: 10/24/2022]
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10
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Hassanein SS, Ibrahim SA, Abdel-Mawgood AL. Cell Behavior of Non-Small Cell Lung Cancer Is at EGFR and MicroRNAs Hands. Int J Mol Sci 2021; 22:12496. [PMID: 34830377 PMCID: PMC8621388 DOI: 10.3390/ijms222212496] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/13/2021] [Accepted: 11/17/2021] [Indexed: 12/18/2022] Open
Abstract
Lung cancer is a complex disease associated with gene mutations, particularly mutations of Kirsten Rat Sarcoma Viral Oncogene Homolog (KRAS) and epidermal growth factor receptor (EGFR). Non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC) are the two major types of lung cancer. The former includes most lung cancers (85%) and are commonly associated with EGFR mutations. Several EGFR-tyrosine kinase inhibitors (EGFR-TKIs), including erlotinib, gefitinib, and osimertinib, are effective therapeutic agents in EGFR-mutated NSCLC. However, their effectiveness is limited by the development (acquired) or presence of intrinsic drug resistance. MicroRNAs (miRNAs) are key gene regulators that play a profound role in the development and outcomes for NSCLC via their role as oncogenes or oncosuppressors. The regulatory role of miRNA-dependent EGFR crosstalk depends on EGFR signaling pathway, including Rat Sarcoma/Rapidly Accelerated Fibrosarcoma/Mitogen-Activated Protein Kinase/Extracellular Signal-Regulated Kinase 1/2 (Ras/Raf/MEK/ERK1/2), Signal Transducer and Activator of Transcription (STAT), Nuclear Factor Kappa-Light-Chain-Enhancer of Activated B Cells (NF-kB), phosphoinositide 3-kinase/protein kinase B (PI3K/AKT), Janus kinase 1 (JAK1), and growth factor receptor-bound protein 2 (GRB2). Dysregulated expression of miRNAs affects sensitivity to treatment with EGFR-TKIs. Thus, abnormalities in miRNA-dependent EGFR crosstalk can be used as diagnostic and prognostic markers, as well as therapeutic targets in NSCLC. In this review, we present an overview of miRNA-dependent EGFR expression regulation, which modulates the behavior and progression of NSCLC.
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Affiliation(s)
- Sarah Sayed Hassanein
- Biotechnology Program, Basic and Applied Sciences (BAS) Institute, Egypt-Japan University of Science and Technology (E-JUST), Alexandria 21934, Egypt;
- Department of Zoology, Faculty of Science, Cairo University, Giza 12613, Egypt;
| | | | - Ahmed Lotfy Abdel-Mawgood
- Biotechnology Program, Basic and Applied Sciences (BAS) Institute, Egypt-Japan University of Science and Technology (E-JUST), Alexandria 21934, Egypt;
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Qi L, Sun B, Yang B, Lu S. circRNA RPPH1 Facilitates the Aggravation of Breast Cancer Development by Regulating miR-542-3p/ARHGAP1 Pathway. Cancer Biother Radiopharm 2021; 37:708-719. [PMID: 34402683 DOI: 10.1089/cbr.2020.4381] [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] [Indexed: 12/14/2022] Open
Abstract
Background: Circular RNAs (circRNAs) have important roles in human malignancies, including breast cancer (BC). In this study, we intended to explore the function of circRNA ribonuclease P RNA component H1 (circ_RPPH1) in BC development and clarify the mechanistic pathway. Methods: Expression of circ_RPPH1, microRNA-542-3p (miR-542-3p), and Rho GTPase-activating protein 1 (ARHGAP1) in BC tissues and cells was determined by quantitative real-time polymerase chain reaction or Western blot assay. The stability of circ_RPPH1 was confirmed by RNase R and actinomycin D treatment. Cell viability and colony formation ability were measured by methyl thiazolyl tetrazolium (MTT) assay and colony formation assay, respectively. Western blot analysis was also used to detect proliferation biomarker (Ki67) and epithelial-mesenchymal transition (EMT) biomarkers (E-cadherin, N-cadherin, and vimentin). Flow cytometry and Transwell assays were performed to monitor cell apoptosis, migration, and invasion. The binding potency between miR-542-3p and circ_RPPH1 or ARHGAP1 was validated by dual-luciferase reporter assay. Functional role of circ_RPPH1 in vivo was investigated by xenograft tumor reporter assay. Results: Upregulation of circ_RPPH1 and ARHGAP1, and downregulation of miR-542-3p were detected in BC tissues and cells. circ_RPPH1 knockdown or miR-542-3p introduction inhibited BC cell proliferation and metastasis, while promoted apoptosis in vitro. circ_RPPH1 sponged miR-542-3p to upregulate ARHGAP1 expression, thereby affecting BC progression. Moreover, depletion of circ_RPPH1 suppressed tumor growth in vivo. Conclusions: circ_RPPH1 contributed to BC tumorigenesis by sponging miR-542-3p and upregulating ARHGAP1, affording a novel mechanistic pathway in BC development.
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Affiliation(s)
- Liqiang Qi
- Department of Breast Surgical Oncology, Cancer Institute and Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing City, China
| | - Bo Sun
- The 2nd Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin City, China
| | - Beibei Yang
- The 2nd Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin City, China
| | - Su Lu
- The 2nd Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin City, China
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Jia Z, Wang Y, Sun X, Zhao X, Zhang Y, Xu S, Wang Y, Li Y. Effect of lncRNA XLOC_005950 knockout by CRISPR/Cas9 gene editing on energy metabolism and proliferation in osteosarcoma MG63 cells mediated by hsa-miR-542-3p. Oncol Lett 2021; 22:669. [PMID: 34386091 PMCID: PMC8298990 DOI: 10.3892/ol.2021.12930] [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: 08/06/2020] [Accepted: 05/06/2021] [Indexed: 12/11/2022] Open
Abstract
Cancer cells use glucose via glycolysis to maintain tumor cell proliferation. However, the effect of long non-coding RNAs (lncRNAs) on glycolysis in osteosarcoma (OS) cells remains unclear. The present study aimed to investigate the involvement of the lncRNA XLOC_005950/hsa-microRNA (miR)-542-3p/phosphofructokinase, muscle (PFKM) axis in the regulation of glucose metabolism, cell proliferation and apoptosis in the progression of OS. lncRNA XLOC_005950, hsa-miR-542-3p and PFKM expression in OS tissues and cells was detected via reverse transcription-quantitative PCR analysis. CRISPR/Cas9 gene editing was used to knockout lncRNA XLOC_005950 expression in MG63 cells. Cell Counting Kit-8 assay, flow cytometry, PFKM activity, and glucose and lactic acid content determination were performed to assess the effects of lncRNA XLOC_005950 knockout and overexpression of hsa-miR-542-3p on the phenotypes of OS cells. The dual-luciferase reporter assay was performed to confirm the targeting associations between lncRNA XLOC_005950, hsa-miR-542-3p and PFKM. The results demonstrated that lncRNA XLOC_005950 expression was upregulated in OS tissues and cells. Functional experiments indicated that lncRNA XLOC_005950 knockout decreased PFKM activity, the intracellular glucose and lactic acid content, and cell proliferation, while increasing apoptosis of OS cells. Furthermore, lncRNA XLOC_005950 knockout upregulated hsa-miR-542-3p expression and downregulated PFKM expression. Overexpression of hsa-miR-542-3p suppressed PFKM expression. Furthermore, lncRNA XLOC_005950, as the molecular sponge of miR-542-3p in OS, modulated the downstream target gene, PFKM. Taken together, the results of the present study suggest that lncRNA XLOC_005950 knockout may inhibit the progression of OS via hsa-miR-542-3p-mediated regulation of PFKM expression.
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Affiliation(s)
- Zhen Jia
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, P.R. China
| | - Yadong Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, P.R. China
| | - Xiaoya Sun
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, P.R. China
| | - Xuefeng Zhao
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, P.R. China
| | - Yan Zhang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Shuangyan Xu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, P.R. China
| | - Yisheng Wang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Yuebai Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, P.R. China
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Human Mitoribosome Biogenesis and Its Emerging Links to Disease. Int J Mol Sci 2021; 22:ijms22083827. [PMID: 33917098 PMCID: PMC8067846 DOI: 10.3390/ijms22083827] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 12/20/2022] Open
Abstract
Mammalian mitochondrial ribosomes (mitoribosomes) synthesize a small subset of proteins, which are essential components of the oxidative phosphorylation machinery. Therefore, their function is of fundamental importance to cellular metabolism. The assembly of mitoribosomes is a complex process that progresses through numerous maturation and protein-binding events coordinated by the actions of several assembly factors. Dysregulation of mitoribosome production is increasingly recognized as a contributor to metabolic and neurodegenerative diseases. In recent years, mutations in multiple components of the mitoribosome assembly machinery have been associated with a range of human pathologies, highlighting their importance to cell function and health. Here, we provide a review of our current understanding of mitoribosome biogenesis, highlighting the key factors involved in this process and the growing number of mutations in genes encoding mitoribosomal RNAs, proteins, and assembly factors that lead to human disease.
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Li J, Bao H, Zhang K, Yang X, Liu X, Li P, Li Q, Chen W. MiR-542-3p drives renal fibrosis by targeting AGO1 in vivo and in vitro. Life Sci 2020; 255:117845. [PMID: 32470449 DOI: 10.1016/j.lfs.2020.117845] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 05/13/2020] [Accepted: 05/24/2020] [Indexed: 12/11/2022]
Abstract
AIMS Renal fibrosis is the typical manifestation of progressive kidney disease and causes a severe threat to human health. Surging evidence has illustrated that miRNA plays a core role in the genesis and development of kidney fibrosis. MiR-542-3p has been testified to function as a facilitator in hepatic stellate cell activation and fibrosis. The purpose of study is to investigate the potential of miR-542-3p in renal tubulointerstitial fibrosis. MATERIALS AND METHODS In this study, to establish renal fibrosis model in vivo and in vitro, we first conducted unilateral ureteral obstruction (UUO) on rats and high glucose (HG) treatment on the HK-2 cells. Histological and western blot analyses were utilized for assessment of renal fibrosis model. Luciferase reporter assay was carried out to explore the regulatory mechanism underlying miR-542-3p in renal fibrosis. KEY FINDINGS MiR-542-3p was found to be highly expressed in renal fibrosis. Functional experiments revealed that overexpression of miR-542-3p accelerated the deterioration of kidney fibrosis and inhibition of miR-542-3p led to the opposite result. Through the aid of bioinformatics tool, the speculated miR-542-3p binding sites were uncovered in the 3'UTR of argonaute RISC component 1 (AGO1). Mechanism study elucidated that AGO1 was a direct target of miR-542-3p. Lastly, our findings suggested that miR-542-3p played a promoting role in renal fibrosis via repression of AGO1. SIGNIFICANCE We justified that miR-542-3p induced kidney fibrogenesis both in vivo and in vitro through targeting AGO1, unveiling that miR-542-3p might be a promising option for the treatment of patients with renal fibrosis.
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Affiliation(s)
- Jue Li
- Department of Renal Medicine, The First People's Hospital of Qujing City, Kunming Medical University, Yunnan Province, China
| | - Haijiao Bao
- Department of Renal Medicine, The First People's Hospital of Qujing City, Kunming Medical University, Yunnan Province, China
| | - Kaiyue Zhang
- Department of Renal Medicine, The First People's Hospital of Qujing City, Kunming Medical University, Yunnan Province, China
| | - Xiaotao Yang
- Department of Renal Medicine, The First People's Hospital of Qujing City, Kunming Medical University, Yunnan Province, China
| | - Xuemei Liu
- Department of Renal Medicine, The First People's Hospital of Qujing City, Kunming Medical University, Yunnan Province, China
| | - Pengfei Li
- Department of Renal Medicine, The First People's Hospital of Qujing City, Kunming Medical University, Yunnan Province, China
| | - Qingli Li
- Department of Renal Medicine, The First People's Hospital of Qujing City, Kunming Medical University, Yunnan Province, China
| | - Weiwen Chen
- Department of endocrinology and metabolism, The First People's Hospital of Qujing City, Kunming Medical University, Yunnan Province, China.
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Wen Y, Gong X, Dong Y, Tang C. Long Non Coding RNA SNHG16 Facilitates Proliferation, Migration, Invasion and Autophagy of Neuroblastoma Cells via Sponging miR-542-3p and Upregulating ATG5 Expression. Onco Targets Ther 2020; 13:263-275. [PMID: 32021273 PMCID: PMC6959506 DOI: 10.2147/ott.s226915] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 12/02/2019] [Indexed: 12/17/2022] Open
Abstract
Background Neuroblastoma (NB) is a heterogeneous pediatric malignant tumor with many biological and clinical characteristics. Long non-coding RNA small nucleolar RNA host gene 16 (SNHG16) plays vital role in the development of NB. However, the potential mechanism of SNHG16 in the progression of NB is rarely reported. Methods The expression levels of SNHG16, miR-542-3p and autophagy-related gene 5 (ATG5) were measured with quantitative real-time polymerase chain reaction (qRT-PCR). The proliferation, migration and invasion of NB cells were determined using 3-(4, 5-dimethylthiazol-2-YI)-2, 5-diphenyltetrazolium bromide (MTT) or transwell assay. Protein levels of ATG5, microtubule-associated protein A1/1B-light chain3 (LC3-I/II) and p62 were detected by Western blot analysis. The interaction between miR-542-3p and SNHG16 or ATG5 was predicted by starBase and confirmed by dual luciferase reporter assay. Xenograft mice models were constructed to confirm the role of SNHG16 in vivo. Results SNHG16 was upregulated in NB tissues and cells and associated with clinical stage and poor prognosis of NB. Knockdown of SNHG16 impeded proliferation, migration, invasion and autophagy of NB cells in vitro, and suppressed tumor growth in vivo. Interestingly, SNHG16 mediated ATG5 expression through sponging miR-542-3p in NB cells. Moreover, miR-542-3p downregulation reversed the inhibitory effects of SNHG16 silencing on proliferation, migration, invasion and autophagy of NB cells. Besides, ATG5 overturned the regulatory effects on proliferation, migration, invasion and autophagy of NB cells induced by SNHG16 or miR-542-3p knockdown. Conclusion SNHG16 facilitated proliferation, migration, invasion and autophagy of NB cells via sponging miR-542-3p and upregulating ATG5 expression in NB.
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Affiliation(s)
- Yi Wen
- Neonatal Pediatrics, Central Hospital of Zhoukou City, Zhoukou, Henan, People's Republic of China
| | - Xiaohui Gong
- Neonatal Pediatrics, Shanghai Children's Hospital, Shanghai, People's Republic of China
| | - Yubin Dong
- Neonatal Pediatrics, Central Hospital of Zhoukou City, Zhoukou, Henan, People's Republic of China
| | - Chenghe Tang
- Neonatal Pediatrics, First Affiliated Hospital of Xinxiang Medical College, Xinxiang, Henan, People's Republic of China
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Liu H, Wang H, Yang S, Qian D. Downregulation of miR-542-3p promotes osteogenic transition of vascular smooth muscle cells in the aging rat by targeting BMP7. Hum Genomics 2019; 13:67. [PMID: 31829291 PMCID: PMC6907335 DOI: 10.1186/s40246-019-0245-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Accepted: 10/17/2019] [Indexed: 02/01/2023] Open
Abstract
Background Aging is believed to have a close association with cardiovascular diseases, resulting in various pathological alterations in blood vessels, including vascular cell phenotypic shifts. In aging vessels, the microRNA(miRNA)-mediated mechanism regulating the vascular smooth muscle cell (VSMC) phenotype remains unclarified. MiRNA microarray was used to compare the expressions of miRNAs in VSMCs from old rats (oVSMCs) and young rats (yVSMCs). Quantitative reverse transcription real-time PCR (qRT-PCR) and small RNA transfection were used to explore the miR-542-3p expression in oVSMCs and yVSMCs in vitro. Calcification induction of yVSMCs was conducted by the treatment of β-glycerophosphate (β-GP). Alizarin red staining was used to detect calcium deposition. Western blot and qRT-PCR were used to investigate the expression of the smooth muscle markers, smooth muscle 22α (SM22α) and calponin, and the osteogenic markers, osteopontin (OPN), and runt-related transcription factor 2 (Runx2). Lentivirus was used to overexpress miR-542-3p and bone morphogenetic protein 7 (BMP7) in yVMSCs. Luciferase reporter assay was conducted to identify the target of miR-542-3p. Results Compared with yVSMCs, 28 downregulated and 34 upregulated miRNAs were identified in oVSMCs. It was confirmed by qRT-PCR that oVSMC expressed four times lower miR-542-3p than yVSMCs. Overexpressing miR-542-3p in yVSMCs suppressed the osteogenic differentiation induced by β-GP. Moreover, miR-542-3p targets BMP7 and overexpressing BMP7 in miR-542-3p–expressing yVSMCs reverses miR-542-3p’s inhibition of osteogenic differentiation. Conclusions miR-542-3p regulates osteogenic differentiation of VSMCs through targeting BMP7, suggesting that the downregulation of miR-542-3p in oVSMCs plays a crucial role in osteogenic transition in the aging rat.
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Affiliation(s)
- Huan Liu
- The Precision Medicine Institute, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510150, Guangdong, China.,Department of Orthopaedics, The Second Affiliated Hospital of Southwest Medical University, Lu Zhou, 646000, Sichuan, China
| | - Hongwei Wang
- Department of Orthopedics, General Hospital of Shenyang Military Area Command of Chinese PLA, Shenyang, 110016, Liaoning, China
| | - Sijin Yang
- Department of Cardiology and Neurology, The Second Affiliated Hospital of Southwest Medical University, 184 Chunhui Street, Lu Zhou, 646000, Sichuan, China.
| | - Dehui Qian
- Department of Cardiology, Second Hospital Affiliated to the Army Medical University, Xinqiao Hospital, Chongqing, 400037, China.
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He Q, Fang Y, Lu F, Pan J, Wang L, Gong W, Fei F, Cui J, Zhong J, Hu R, Liang M, Fang L, Wang H, Yu M, Zhang ZF. Analysis of differential expression profile of miRNA in peripheral blood of patients with lung cancer. J Clin Lab Anal 2019; 33:e23003. [PMID: 31541491 PMCID: PMC6868404 DOI: 10.1002/jcla.23003] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 07/19/2019] [Accepted: 07/23/2019] [Indexed: 12/26/2022] Open
Abstract
PURPOSE To identify potential molecular targets for lung cancer intervention and diagnosis, we analyzed the differential miRNA expression of peripheral blood between lung cancer patients and healthy controls. METHODS Three pairs of cases' and controls' peripheral blood samples were evaluated for miRNA expression by microarray. 12 miRNAs were selected for RT-PCR validation and target genes prediction. In addition, 4 miRNAs were selected for future validation by RT-PCR in a large sample of 145 cases and 55 frequency-matched healthy controls. RESULTS A total of 338 differentially expressed miRNAs were screened and identified by microarray. According to the fold changes, the top ten upregulated miRNAs were hsa-miR-124-3p, hsa-miR-379-5p, hsa-miR-3655, hsa-miR-450b-5p, hsa-miR-29a-5p, hsa-miR-200a-3p, hsa-miR-542-3p, hsa-miR-138-5p, hsa-miR-219a-2-3p, and hsa-miR-4701-3p, and the top ten downregulated miRNAs were hsa-miR-34c-5p, hsa-miR-135a-5p, hsa-miR-132-3p, hsa-miR-3178, hsa-miR-4449, hsa-miR-4999-3p, hsa-miR-1246, hsa-miR-4424, hsa-miR-1252-5p, and hsa-miR-24-2-5p. RT-PCR verification of the 12 miRNAs revealed that 5 of 8 upregulated miRNAs, 2 of 4 downregulated miRNAs showed a significant difference between the cases and controls (P < .05). A large number of target genes and their functional set showed overlapping among the 453 predicted target genes of the 12 miRNAs (P < .01). RT-PCR in the large sample confirmed the significant differential expression level of hsa-miR-29a-5p, hsa-miR-135a-5p, hsa-miR-542-3p, and hsa-miR-4491 between cases and controls (P < .05), and three of these microRNA, except hsa-miR-29a-5p, were significant after Bonferroni correction for adjustment of multiple comparisons. CONCLUSION There was a significant difference in miRNAs expression in the peripheral blood between lung cancer patients and healthy controls, and 4 miRNAs were validated by a large-size sample.
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Affiliation(s)
- Qingfang He
- Zhejiang Provincial Center for Disease Prevention and Control, Hangzhou, China
| | - Yirong Fang
- Shaoxing Center for Disease Control and Prevention, Shaoxing, China
| | - Feng Lu
- Zhejiang Provincial Center for Disease Prevention and Control, Hangzhou, China
| | - Jin Pan
- Zhejiang Provincial Center for Disease Prevention and Control, Hangzhou, China
| | - Lixin Wang
- Zhejiang Provincial Center for Disease Prevention and Control, Hangzhou, China
| | - Weiwei Gong
- Zhejiang Provincial Center for Disease Prevention and Control, Hangzhou, China
| | - Fangrong Fei
- Zhejiang Provincial Center for Disease Prevention and Control, Hangzhou, China
| | | | - Jieming Zhong
- Zhejiang Provincial Center for Disease Prevention and Control, Hangzhou, China
| | - Ruying Hu
- Zhejiang Provincial Center for Disease Prevention and Control, Hangzhou, China
| | - Mingbin Liang
- Zhejiang Provincial Center for Disease Prevention and Control, Hangzhou, China
| | - Le Fang
- Zhejiang Provincial Center for Disease Prevention and Control, Hangzhou, China
| | - Hao Wang
- Zhejiang Provincial Center for Disease Prevention and Control, Hangzhou, China
| | - Min Yu
- Zhejiang Provincial Center for Disease Prevention and Control, Hangzhou, China
| | - Zuo-Feng Zhang
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, CA, USA
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Sharma A, Rani R. C-HMOSHSSA: Gene selection for cancer classification using multi-objective meta-heuristic and machine learning methods. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2019; 178:219-235. [PMID: 31416551 DOI: 10.1016/j.cmpb.2019.06.029] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 06/24/2019] [Accepted: 06/27/2019] [Indexed: 05/21/2023]
Abstract
BACKGROUND AND OBJECTIVE Over the last two decades, DNA microarray technology has emerged as a powerful tool for early cancer detection and prevention. It helps to provide a detailed overview of disease complex microenvironment. Moreover, online availability of thousands of gene expression assays made microarray data classification an active research area. A common goal is to find a minimum subset of genes and maximizing the classification accuracy. METHODS In pursuit of a similar objective, we have proposed framework (C-HMOSHSSA) for gene selection using multi-objective spotted hyena optimizer (MOSHO) and salp swarm algorithm (SSA). The real-life optimization problems with more than one objective usually face the challenge to maintain convergence and diversity. Salp Swarm Algorithm (SSA) maintains diversity but, suffers from the overhead of maintaining the necessary information. On the other hand, the calculation of MOSHO requires low computational efforts hence is used for maintaining the necessary information. Therefore, the proposed algorithm is a hybrid algorithm that utilizes the features of both SSA and MOSHO to facilitate its exploration and exploitation capability. RESULTS Four different classifiers are trained on seven high-dimensional datasets using a subset of features (genes), which are obtained after applying the proposed hybrid gene selection algorithm. The results show that the proposed technique significantly outperforms existing state-of-the-art techniques. CONCLUSION It is also shown that the new sets of informative and biologically relevant genes are successfully identified by the proposed technique. The proposed approach can also be applied to other problem domains of interest which involve feature selection.
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Affiliation(s)
- Aman Sharma
- Computer Science and Engineering Department, Thapar Institute of Engineering & Technology, Patiala, Punjab, India.
| | - Rinkle Rani
- Computer Science and Engineering Department, Thapar Institute of Engineering & Technology, Patiala, Punjab, India.
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Gene selection using hybrid binary black hole algorithm and modified binary particle swarm optimization. Genomics 2019; 111:669-686. [DOI: 10.1016/j.ygeno.2018.04.004] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 04/04/2018] [Accepted: 04/09/2018] [Indexed: 12/11/2022]
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He F, Zhang N, Lv Y, Sun W, Chen H. Low‑dose lipopolysaccharide inhibits neuronal apoptosis induced by cerebral ischemia/reperfusion injury via the PI3K/Akt/FoxO1 signaling pathway in rats. Mol Med Rep 2019; 19:1443-1452. [PMID: 30628689 PMCID: PMC6390019 DOI: 10.3892/mmr.2019.9827] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 09/03/2018] [Indexed: 11/05/2022] Open
Abstract
The present study aimed to investigate the effects of low‑dose lipopolysaccharide (LPS) on ischemia/reperfusion (I/R)‑induced brain injury, and to explore the mechanism of phosphoinositide 3‑kinase (PI3K)/Akt/forkhead box protein (Fox)O1 signaling pathway. Male Sprague‑Dawley rats were divided into control group (control), ischemia/reperfusion surgery group (I/R) and low‑dose LPS treatment group (LPS). An I/R model was established and the hemodynamic parameters were recorded at the end of I/R injury. The brain tissues were observed by hematoxylin and eosin staining, immunohistochemistry and terminal deoxynucleotidyl‑transferase‑mediated dUTP nick end labeling staining. Microglia were treated with LPS following hypoxia/reoxygenation. The cellular viability was detected by 3‑(4,5‑dimethylthiazol‑2‑yl)‑2,5‑diphenyltetrazolium bromide assay. The apoptotic rate of microglia was detected using AnnexinV/propidium iodide staining. The expression of B‑cell lymphoma (Bcl)‑2, Bcl‑2‑associated X (Bax), and caspase‑3 were detected by western blot analysis and reverse transcription‑quantitative polymerase chain reaction. Akt, phosphorylated (p)‑Akt, FoxO1 and p‑FoxO1 expression were detected by western blotting. It was previously reported that, following I/R injury, neuronal cells were disorderly and brain injury markers (neuron‑specific enolase and S100 β), inflammatory cytokines [interleukin (IL)‑1β, IL‑6 and tumor necrosis factor‑α] levels were significantly upregulated. In the present study, the expression levels of Bax, caspase‑3 Akt and p‑Akt were significantly higher, while that of Bcl‑2, FoxO1 and p‑FoxO1 were significantly lower in the I/R group. LPS treatment significantly increased the viability of neuronal cells and decreased the rate of neuronal cell apoptosis. Following the addition of PI3K signaling pathway inhibitor LY294002 to microglia, LPS reduced the levels of activated Akt, increased the downstream regulatory gene phosphorylation of FoxO1 and reduced microglia apoptosis. It was concluded that LPS can alleviate I/R‑induced brain injury, inhibit neuronal cells apoptosis and protect neuronal cells via the PI3K/Akt/FoxO1 signaling pathway.
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Affiliation(s)
- Fan He
- Department of Neurology, General Hospital of Shenyang Military Area Command, Shenyang, Liaoning 110016, P.R. China
| | - Nannan Zhang
- Department of Neurology, General Hospital of Shenyang Military Area Command, Shenyang, Liaoning 110016, P.R. China
| | - Yan Lv
- Department of Neurology, General Hospital of Shenyang Military Area Command, Shenyang, Liaoning 110016, P.R. China
| | - Wenhao Sun
- Department of Neurology, The General Hospital of Tianjin Medical University, Tianjin 300020, P.R. China
| | - Huisheng Chen
- Department of Neurology, General Hospital of Shenyang Military Area Command, Shenyang, Liaoning 110016, P.R. China
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Saldana M, VanderVorst K, Berg AL, Lee H, Carraway KL. Otubain 1: a non-canonical deubiquitinase with an emerging role in cancer. Endocr Relat Cancer 2019; 26:R1-R14. [PMID: 30400005 PMCID: PMC6226034 DOI: 10.1530/erc-18-0264] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 09/03/2018] [Indexed: 12/12/2022]
Abstract
The ubiquitin system regulates diverse biological processes, many involved in cancer pathogenesis, by altering the ubiquitination state of protein substrates. This is accomplished by ubiquitin ligases and deubiquitinases (DUBs), which respectively add or remove ubiquitin from substrates to alter their stability, activity, localization and interactions. While lack of catalytic activity makes therapeutic targeting of ubiquitin ligases difficult, DUB inhibitors represent an active area of research and the identification of cancer-associated DUBs may lead to the development of novel therapeutics. A growing body of literature demonstrates that the DUB Otubain 1 (OTUB1) regulates many cancer-associated signaling pathways including MAPK, ERa, epithelial-mesenchymal transition (EMT), RHOa, mTORC1, FOXM1 and P53 to promote tumor cell survival, proliferation, invasiveness and therapeutic resistance. In addition, clinical studies have associated elevated OTUB1 expression with high grade, invasiveness and metastasis in several tumor types including lung, breast, ovarian, glioma, colon and gastric. Interestingly, in addition to catalytic DUB activity, OTUB1 displays a catalytic-independent, non-canonical activity where it inhibits the transfer of ubiquitin onto protein substrates by sequestration of E2 ubiquitin-conjugating enzymes. The aim of this review is to describe the canonical and non-canonical activities of OTUB1, summarize roles for OTUB1 in cancer-associated pathways and discuss its potential therapeutic targeting.
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Affiliation(s)
- Matthew Saldana
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, UC Davis Comprehensive Cancer Center, Sacramento, California, USA
| | - Kacey VanderVorst
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, UC Davis Comprehensive Cancer Center, Sacramento, California, USA
| | - Anastasia L Berg
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, UC Davis Comprehensive Cancer Center, Sacramento, California, USA
| | - Hyun Lee
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, UC Davis Comprehensive Cancer Center, Sacramento, California, USA
| | - Kermit L Carraway
- Department of Biochemistry and Molecular Medicine, UC Davis School of Medicine, UC Davis Comprehensive Cancer Center, Sacramento, California, USA
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Expression of miR‑542‑3p in osteosarcoma with miRNA microarray data, and its potential signaling pathways. Mol Med Rep 2018; 19:974-983. [PMID: 30569116 PMCID: PMC6323234 DOI: 10.3892/mmr.2018.9761] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 11/15/2018] [Indexed: 12/16/2022] Open
Abstract
Osteosarcoma (OS) is the most common pediatric primary bone tumor, with high malignancy rates and a poor prognosis following metastasis. At present, the role of microRNA (miR)-542-3p in OS remains to be elucidated. The purpose of the present study was to investigate the expression level of miR-542-3p in OS, and its potential molecular mechanisms, via a bioinformatics analysis. First, the expression of miR-542-3p in OS based on the continuous variables of the Gene Expression Omnibus database and PubMed was studied. Subsequently, the potential target genes of miR-542-3p were predicted using gene expression profiles and bioinformatics software. On the basis of the Database for Annotation, Visualization and Integrated Discovery, version 6.8, a study of gene ontology (GO) enrichment and the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway knowledge base was conducted to explore the biological value of miR-542-3p in OS. Finally, the protein-protein interaction (PPI) network was completed using the STRING database. The expression of miR-542-3p in OS was revealed to be significantly higher compared with that in normal tissue. In total, 1,036 target genes of miR-542-3p were obtained. The results of the GO enrichment analysis revealed that the significant terms were ‘bone development’, ‘cell cycle arrest’ and ‘intracellular signal transduction’. The results of the KEGG analysis revealed the highlighted pathways that were targeted to miR-542-3p, including the sphingolipid signaling pathway (P=3.91×10−5), the phosphoinositide 3-kinase (PI3K)-AKT serine/threonine kinase (AKT) signaling pathway (P=3.17×10−5) and the insulin signaling pathway (P=1.04×10−5). The PPI network revealed eight hub genes: Ubiquitin-60S ribosomal protein L40, Ras-related C3 botulinum toxin substrate, mitogen-activated protein kinase 1, epidermal growth factor receptor, cystic fibrosis transmembrane conductance regulator, PI3K regulatory subunit 1, AKT1, and actin-related protein 2/3 complex subunit 1A, which may be the key target genes of miR-542-3p in OS. Taken together, these results have demonstrated that miR-542-3p was overexpressed in OS. The potential target genes and biological functions of miR-542-3p may provide novel insights into the differentially expressed genes that are involved in OS.
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Wang D, Han X, Li C, Bai W. FBXL3 is regulated by miRNA-4735-3p and suppresses cell proliferation and migration in non-small cell lung cancer. Pathol Res Pract 2018; 215:358-365. [PMID: 30594330 DOI: 10.1016/j.prp.2018.12.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 11/20/2018] [Accepted: 12/09/2018] [Indexed: 12/13/2022]
Abstract
Non-small cell lung cancer (NSCLC) is the most common type of primary lung cancer and regarded as cancer killer. The aim of this study was to discover the detailed function and molecular mechanism of F-box and leucine rich repeat protein 3 (FBXL3) in NSCLC. In this study, the expression level of FBXL3 in NSCLC tissues and cell lines was firstly examined and identified. Moreover, the relationship between FBXL3 and the overall survival rate of NSCLC patients was analyzed by Kaplan-Meier survival curve. Functionally, MTT, colony formation assay and transwell assays were performed to determine the role of FBXL3 in regulating NSCLC cell proliferation, migration and invasion. The proliferation and migration were suppressed by overexpression of FBXL3, indicating the potential tumor suppressive role of FBXL3 in NSCLC. In addition, the dual-luciferase reporter and RNA pull-down assays revealed that miR-4735-3p was a novel upstream modulator of FBXL3. Further study showed that miR-4735-3p was upregulated in NSCLC tissues and cell lines. Finally, rescue assays and function assays revealed that miR-4735-3p exerted oncogenic function in NSCLC, and this function can be attenuated by FBXL3. Taken together, FBXL3 was regulated by miR-4735-3p and suppressed cell proliferation and invasion in non-small cell lung cancer.
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Affiliation(s)
- Dazhong Wang
- Third Medical Oncology Department of Thoracic Cancer, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, No. 44, Xiaoheyan road, Dadong district, Shenyang city, Liaoning province, 110042, China
| | - Xin Han
- Third Medical Oncology Department of Thoracic Cancer, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, No. 44, Xiaoheyan road, Dadong district, Shenyang city, Liaoning province, 110042, China
| | - Chan Li
- Third Medical Oncology Department of Thoracic Cancer, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, No. 44, Xiaoheyan road, Dadong district, Shenyang city, Liaoning province, 110042, China
| | - Weijun Bai
- Third Medical Oncology Department of Thoracic Cancer, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, No. 44, Xiaoheyan road, Dadong district, Shenyang city, Liaoning province, 110042, China.
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