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Guan C, Zhao Y, Wang W, Hu Z, Liu L, Li W, Jiang X. Knockdown of lncRNA SNHG20 Suppressed the Proliferation of Cholangiocarcinoma by Sponging miR-520f-3p. Cancer Biother Radiopharm 2024; 39:178-187. [PMID: 32907346 DOI: 10.1089/cbr.2020.4042] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Objective: A large number of studies had found that small nucleolar RNA host gene 20 (SNHG20) was a long noncoding RNA (lncRNA) that played important regulatory functions in numerous tumors. Nevertheless, the expression and pathophysiological role of SNHG20 in cholangiocarcinoma (CCA) are currently unclear. The objective of this study is to reveal the clinical significance and pathophysiological function of SNHG20 in CCA. Methods: The tumor tissues and adjacent normal tissues of CCA were obtained to determine the expression and clinical significance of SNHG20, and the targets of related genes were predicted through bioinformatics analysis. The function and regulatory mechanism of SNHG20 in CCA were evaluated by transfection, CCK-8 experiment, and luciferase reporter assay. Result: In CCA, SNHG20 was highly expressed. Overexpressed SNHG20 was markedly interrelated with the lymph node invasion and TNM stage. In addition, it could be used as indicator to evaluate the prognosis of patients. SNHG20 sponging miR-520f-3p could accelerate the proliferation of CCA tumor cells. MiR-520f-3p acted as a tumor suppressor in CCA and could also serve as a prognostic indicator. Abolition of miR-520f-3p caused an antagonistic effect and diminished the impacts of SNHG20 knockdown. SNHG20 combined with miR-520f-3p could better predict the prognosis of CCA patients. Conclusion: These data confirmed the knockdown SNHG20 expression in CCA could inhibit the proliferation by means of sponging miR-520f-3p.
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Affiliation(s)
- Canghai Guan
- Department of General Surgery, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yuqiao Zhao
- Department of General Surgery, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Weina Wang
- Department of Anesthesiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zengtao Hu
- Department of General Surgery, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Lang Liu
- Department of General Surgery, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Wenzhi Li
- Department of Anesthesiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xingming Jiang
- Department of General Surgery, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, China
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2
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Liang Y, Chen B, Xu F, Long L, Ye F, Wang Y, Luo D, Li Y, Zhao W, Wang L, Jin Y, Wang L, Kong X, Su P, Yang Q. LncRNA PRBC induces autophagy to promote breast cancer progression through modulating PABPC1-mediated mRNA stabilization. Oncogene 2024; 43:1019-1032. [PMID: 38366145 DOI: 10.1038/s41388-024-02971-z] [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: 09/24/2023] [Revised: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 02/18/2024]
Abstract
Breast cancer is one of the major malignant tumors among women worldwide. Long noncoding RNAs (lncRNAs) have been documented as significant modulators in the development and progression of various cancers; however, the contribution of lncRNAs to breast cancer remains largely unknown. In this study, we found a novel lncRNA (NONHSAT137675) whose expression was significantly increased in the breast cancer tissues. We named the novel lncRNA as lncRNA PRBC (PABPC1-related lncRNA in breast cancer) and identified it as a key lncRNA associated with breast cancer progression and prognosis. Functional analysis displayed that lncRNA PRBC could promote autophagy and progression of breast cancer. Mechanistically, we verified that lncRNA PRBC physically interacted with PABPC1 through RIP assay, and PABPC1 overexpression could reverse the inhibiting effect of lncRNA PRBC knockdown on the malignant behaviors in breast cancer cells. Knockdown of lncRNA PRBC interfered the translocation of PABPC1 from nucleus to cytoplasm as indicated by western blot and IF assays. Significantly, the cytoplasmic location of PABPC1 was required for the interaction between PABPC1 and AGO2, which could be enhanced by lncRNA PRBC overexpression, leading to strengthened recruitment of mRNA to RNA-induced silencing complex (RISC) and thus reinforcing the inhibition efficiency of miRNAs. In general, lncRNA PRBC played a critical role in malignant progression of breast cancer by inducing the cytoplasmic translocation of PABPC1 to further regulate the function of downstream miRNAs. This study provides novel insight on the molecular mechanism of breast cancer progression, and lncRNA PRBC might be a promising therapeutic target and prognostic predictor for breast cancer.
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Affiliation(s)
- Yiran Liang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China
| | - Bing Chen
- Biological Resource Center, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China
| | - Fanchao Xu
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China
| | - Li Long
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China
- Department of Breast Surgery, Mianyang Central Hospital, Mianyang, Sichuan, 621000, P.R. China
| | - Fangzhou Ye
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China
| | - Yajie Wang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China
| | - Dan Luo
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China
| | - Yaming Li
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China
| | - Wenjing Zhao
- Biological Resource Center, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China
| | - Lijuan Wang
- Biological Resource Center, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China
| | - Yuhan Jin
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China
| | - Lei Wang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China
| | - Xiaoli Kong
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China
| | - Peng Su
- Department of Pathology, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China.
| | - Qifeng Yang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China.
- Biological Resource Center, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China.
- Research Institute of Breast Cancer, Shandong University, Jinan, Shandong, 250012, P.R. China.
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3
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Zhao X, Su F, Guo Q, Tao X, Wang H, Wang H, Li Q, Zhang W. Preeclampsia-associated lncRNA FEZF1-AS1 regulates cell proliferation and apoptosis in placental trophoblast cells through the ELAVL1/NOC2L axis. Cell Div 2023; 18:17. [PMID: 37872600 PMCID: PMC10591422 DOI: 10.1186/s13008-023-00101-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/16/2023] [Indexed: 10/25/2023] Open
Abstract
BACKGROUND LncRNAs have been shown to be involved in and control the biological processes of multiple diseases, including preeclampsia (PE). The impairment of trophoblast cell proliferation is recognized as a significant anomaly contributing to the development of PE. LncRNA FEZF1-AS1 was found downregulated in placental tissues of PE patients. However, the precise regulatory mechanism of FEZF1-AS1 in placental trophoblast proliferation and apoptosis remains unclear. RESULTS In this study, we conducted an investigation into the expression levels of FEZF1-AS1 and NOC2L in placental tissues obtained from patients diagnosed with PE. Subsequently, we employed CCK-8 and EdU assays to quantify cell proliferation, while TUNEL staining and western blot for apoptosis-related protein detection to assess apoptosis. Furthermore, the interactions between FEZF1-AS1 and ELAVL1, as well as NOC2L and ELAVL1, were confirmed through the implementation of RIP and RNA pull-down assays. We found a downregulation of lncRNA FEZF1-AS1 and NOC2L in placental tissues of PE patients. Overexpression of FEZF1-AS1 or NOC2L resulted in increased cell proliferation and inhibition of apoptosis, whereas knockdown of FEZF1-AS1 or NOC2L had the opposite effect. In addition, lncRNA FEZF1-AS1 stabilized NOC2L mRNA expression by interacting with ELAVL1. Moreover, partial reversal of the effects of FEZF1-AS1 overexpression on cell proliferation and apoptosis was observed upon suppression of ELAVL1 or NOC2L. CONCLUSIONS PE related lncRNA FEZF1-AS1 could regulate apoptosis and proliferation of placental trophoblast cells through the ELAVL1/NOC2L axis.
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Affiliation(s)
- Xudong Zhao
- Department of Obstetrics, The Affiliated Taian City Central Hospital of Qingdao University, No.29, Longtan Road, Taian, 271000, Shandong, People's Republic of China.
| | - Fengyun Su
- Department of Pharmacy, The Second Affiliated Hospital Of Shandong First Medical University, Taian, 271000, Shandong, People's Republic of China
| | - Qing Guo
- Intensive Care Unit, The Affiliated Taian City Centeral Hospital of Qingdao University, Taian, 271000, Shandong, People's Republic of China
| | - Xiuhong Tao
- Department of Obstetrics, The Affiliated Taian City Central Hospital of Qingdao University, No.29, Longtan Road, Taian, 271000, Shandong, People's Republic of China
| | - Huifeng Wang
- Department of Ultrasound, The Affiliated Taian City Centeral Hospital of Qingdao University, Taian, 271000, Shandong, People's Republic of China
| | - Hongling Wang
- Department of Ultrasound, The Affiliated Taian City Centeral Hospital of Qingdao University, Taian, 271000, Shandong, People's Republic of China
| | - Qinwen Li
- Department of Obstetrics, The Affiliated Taian City Central Hospital of Qingdao University, No.29, Longtan Road, Taian, 271000, Shandong, People's Republic of China
| | - Wangmeng Zhang
- Department of Obstetrics, The Affiliated Taian City Central Hospital of Qingdao University, No.29, Longtan Road, Taian, 271000, Shandong, People's Republic of China
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4
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Long X, Wen F, Li J, Huang X. LncRNA FEZF1-AS1 accelerates multiple myeloma progression by regulating IGF2BP1/BZW2 signaling. Hematol Oncol 2023; 41:694-703. [PMID: 37125488 DOI: 10.1002/hon.3157] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 03/16/2023] [Accepted: 04/08/2023] [Indexed: 05/02/2023]
Abstract
Multiple myeloma (MM) is the second largest hematological tumor with clonal proliferation of malignant plasma cells. Growing reports have revealed that the dysregulation of long non-coding RNA (lncRNA) is involved in the MM progression. Nevertheless, lncRNA FEZF1 antisense RNA 1 (FEZF1-AS1) remain not deeply explored. The RNA transcripts and protein level of MM-associated molecule were measured by quantitative real-time polymerase chain reaction or western blot assays, respectively. The clinical correlation was analyzed by Pearson analysis. Molecular interactions among lncRNA FEZF1-AS1, basic leucine zipper and W2 domain 2 (BZW2) and insulin-like growth factor 2 mRNA-binding protein 1 (IGF2BP1) were verified by RNA immunoprecipitation and RNA pull-down assays. The survival of MM cells was detected by cell counting kit-8 and flow cytometry assays. Xenograft tumor in vivo was performed to assess tumor growth. The RNA transcripts of lncRNA FEZF1-AS1, BZW2 and IGF2BP1 were upregulated in MM samples compared to those in healthy donors. Knockdown of lncRNA FEZF1-AS1 could inhibit the proliferation and induce cell apoptosis in vitro and in vivo. Besides, lncRNA FEZF1-AS1 could maintain the stability of BZW2 mRNA by interacting IGF2BP1. Moreover, BZW2 silence also downregulated the proliferation but enhanced apoptosis of MM cells, while BZW2 overexpression had an opposite role, which dramatically reversed the regulatory roles of lncRNA FEZF1-AS1. Altogether, lncRNA FEZF1-AS1 facilitated MM development by regulating IGF2BP1/BZW2 signaling, suggesting that lncRNA FEZF1-AS1 might be a candidate for MM treatment.
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Affiliation(s)
- Xingxing Long
- Department of Hematology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan Province, China
| | - Feng Wen
- Department of Hematology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan Province, China
| | - Junjun Li
- Department of Hematology, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan Province, China
| | - Xiaoqing Huang
- Department of Blood Transfusion, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan Province, China
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Hashemi M, Rashidi M, Hushmandi K, Ten Hagen TLM, Salimimoghadam S, Taheriazam A, Entezari M, Falahati M. HMGA2 regulation by miRNAs in cancer: affecting cancer hallmarks and therapy response. Pharmacol Res 2023; 190:106732. [PMID: 36931542 DOI: 10.1016/j.phrs.2023.106732] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 03/13/2023] [Accepted: 03/14/2023] [Indexed: 03/17/2023]
Abstract
High mobility group A 2 (HMGA2) is a protein that modulates the structure of chromatin in the nucleus. Importantly, aberrant expression of HMGA2 occurs during carcinogenesis, and this protein is an upstream mediator of cancer hallmarks including evasion of apoptosis, proliferation, invasion, metastasis, and therapy resistance. HMGA2 targets critical signaling pathways such as Wnt/β-catenin and mTOR in cancer cells. Therefore, suppression of HMGA2 function notably decreases cancer progression and improves outcome in patients. As HMGA2 is mainly oncogenic, targeting expression by non-coding RNAs (ncRNAs) is crucial to take into consideration since it affects HMGA2 function. MicroRNAs (miRNAs) belong to ncRNAs and are master regulators of vital cell processes, which affect all aspects of cancer hallmarks. Long ncRNAs (lncRNAs) and circular RNAs (circRNAs), other members of ncRNAs, are upstream mediators of miRNAs. The current review intends to discuss the importance of the miRNA/HMGA2 axis in modulation of various types of cancer, and mentions lncRNAs and circRNAs, which regulate this axis as upstream mediators. Finally, we discuss the effect of miRNAs and HMGA2 interactions on the response of cancer cells to therapy. Regarding the critical role of HMGA2 in regulation of critical signaling pathways in cancer cells, and considering the confirmed interaction between HMGA2 and one of the master regulators of cancer, miRNAs, targeting miRNA/HMGA2 axis in cancer therapy is promising and this could be the subject of future clinical trial experiments.
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Affiliation(s)
- Mehrdad Hashemi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Mohsen Rashidi
- Department Pharmacology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, 4815733971, Iran; The Health of Plant and Livestock Products Research Center, Mazandaran University of Medical Sciences, Sari, 4815733971, Iran.
| | - Kiavash Hushmandi
- Department of Food Hygiene and Quality Control, Division of Epidemiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.
| | - Timo L M Ten Hagen
- Precision Medicine in Oncology (PrMiO), Department of Pathology, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, the Netherlands.
| | - Shokooh Salimimoghadam
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran.
| | - Afshin Taheriazam
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Orthopedics, Faculty of medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Maliheh Entezari
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Mojtaba Falahati
- Precision Medicine in Oncology (PrMiO), Department of Pathology, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, the Netherlands.
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6
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Yang X, Wu P, Wang Z, Su X, Wu Z, Ma X, Wu F, Zhang D. Constructed the ceRNA network and predicted a FEZF1-AS1/miR-92b-3p/ZIC5 axis in colon cancer. Mol Cell Biochem 2022; 478:1083-1097. [PMID: 36219353 DOI: 10.1007/s11010-022-04578-y] [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: 07/16/2022] [Accepted: 09/26/2022] [Indexed: 10/17/2022]
Abstract
The purpose of this study was to identify the role of FEZF1-AS1 in colon cancer and predicted the underlying mechanism. We extracted sequencing data of colon cancer patients from The Cancer Genome Atlas database, identified the differential expression of long noncoding RNA, microRNA, and messenger RNA, constructed a competitive endogenous RNA network, and then analyzed prognosis. Then, we used the enrichment analysis databases for functional analysis. Finally, we studied the FEZF1-AS1/miR-92b-3p/ZIC5 axis. We detected the expression of FEZF1-AS1, miR-92b-3p, and ZIC5 via quantitative reverse transcription-PCR, transfected colon cancer cell RKO with lentivirus and conducted FEZF1-AS1 knockdown, and performed cancer-related functional assays. It indicated that many RNA in the competitive endogenous RNA network, such as ZIC5, were predicted to be related to overall survival of colon cancer patients, and enrichment analysis showed cancer-related signaling pathways, such as PI3K/AKT signaling pathway. The expression of FEZF1-AS1 and ZIC5 was significantly higher and that of miR-92b-3p was lower in the colon cancer than in the normal colon tissues. FEZF1-AS1 promoted the migration, proliferation, as well as invasion of RKO. According to the prediction, FEZF1-AS1 and ZIC5 might competitively bind to miR-92b-3p, leading to the weakening of the inhibitory impact of miR-92b-3p on ZIC5 and increasing expression of ZIC5, thus further activating the PI3K/AKT signaling pathway, which led to the occurrence and development of colon cancer. The study suggested that FEZF1-AS1 might be an effective diagnosis biomarker for colon cancer.
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Affiliation(s)
- Xiaoping Yang
- Key Laboratory of Digestive Diseases of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China.,The Second Clinical Medical College, Lanzhou University, Lanzhou, 730030, China
| | - Pingfan Wu
- Department of Pathology, The 940th Hospital of the Joint Logistic Support of the People's Liberation Army, Lanzhou, 730050, China
| | - Zirui Wang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, 730030, China
| | - Xiaolu Su
- Department of Pathology, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Zhiping Wu
- Department of Gastroenterology, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Xueni Ma
- Key Laboratory of Digestive Diseases of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China.,The Second Clinical Medical College, Lanzhou University, Lanzhou, 730030, China
| | - Fanqi Wu
- Key Laboratory of Digestive Diseases of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China.,Department of Respiratory, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Dekui Zhang
- Key Laboratory of Digestive Diseases of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China. .,Department of Gastroenterology, Lanzhou University Second Hospital, Lanzhou, 730030, China.
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7
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Competing Endogenous RNAs" (ceRNAs) in Colorectal Cancer: a review article. Expert Rev Mol Med 2022; 24:e27. [PMID: 35748050 DOI: 10.1017/erm.2022.21] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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8
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Long Noncoding RNA Mediated Regulation in Human Embryogenesis, Pluripotency, and Reproduction. Stem Cells Int 2022; 2022:8051717. [PMID: 35103065 PMCID: PMC8800634 DOI: 10.1155/2022/8051717] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 12/27/2021] [Indexed: 12/12/2022] Open
Abstract
Long noncoding RNAs (lncRNAs), a class of noncoding RNAs with more than 200 bp in length, are produced by pervasive transcription in mammalian genomes and regulate gene expression through various action mechanisms. Accumulating data indicate that lncRNAs mediate essential biological functions in human development, including early embryogenesis, induction of pluripotency, and germ cell development. Comprehensive analysis of sequencing data highlights that lncRNAs are expressed in a stage-specific and human/primate-specific pattern during early human development. They contribute to cell fate determination through interacting with almost all classes of cellular biomolecules, including proteins, DNA, mRNAs, and microRNAs. Furthermore, the expression of a few of lncRNAs is highly associated with the pathogenesis and progression of many reproductive diseases, suggesting that they could serve as candidate biomarkers for diagnosis or novel targets for treatment. Here, we review research on lncRNAs and their roles in embryogenesis, pluripotency, and reproduction. We aim to identify the underlying molecular mechanisms essential for human development and provide novel insight into the causes and treatments of human reproductive diseases.
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9
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Gui Z, Zhao Z, Sun Q, Shao G, Huang J, Zhao W, Kuang Y. LncRNA FEZF1-AS1 Promotes Multi-Drug Resistance of Gastric Cancer Cells via Upregulating ATG5. Front Cell Dev Biol 2021; 9:749129. [PMID: 34790665 PMCID: PMC8591218 DOI: 10.3389/fcell.2021.749129] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 10/04/2021] [Indexed: 12/19/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) play important roles in human cancers including gastric cancer (GC). Dysregulation of lncRNAs is involved in a variety of pathological activities associated with gastric cancer progression and chemo-resistance. However, the role and molecular mechanisms of FEZF1-AS1 in chemoresistance of GC remain unknown. In this study, we aimed to determine the role of FEZF1-AS1 in chemoresistance of GC. The level of FEZF1-AS1 in GC tissues and GC cell lines was assessed by qRT-PCR. Our results showed that the expression of FEZF1-AS1 was higher in gastric cancer tissues than in adjacent normal tissues. Multivariate analysis identified that high level of FEZF1-AS1 is an independent predictor for poor overall survival. Increased FEZF1-AS1 expression promoted gastric cancer cell proliferation in vitro. Additionally, FEZF1-AS1 was upregulated in chemo-resistant GC tissues. The regulatory effect of FEZF1-AS1 on multi-drug resistance (MDR) in GC cells and the underlying mechanism was investigated. It was found that increased FEZF1-AS1 expression promoted chemo-resistance of GC cells. Molecular interactions were determined by RNA immunoprecipitation (RIP) and the results showed that FEZF1-AS1 regulated chemo-resistance of GC cells through modulating autophagy by directly targeting ATG5. The proliferation and autophagy of GC cells promoted by overexpression of LncFEZF1-AS1 was suppressed when ATG5 was knocked down. Moreover, knockdown of FEZF1-AS1 inhibited tumor growth and increased 5-FU sensitivity in GC cells in vivo. Taken together, this study revealed that the FEZF1-AS1/ATG5 axis regulates MDR of GC cells via modulating autophagy.
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Affiliation(s)
- Zhifu Gui
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China.,Department of General Surgery, Jiangyin Hospital Affiliated to Medical College of Southeast University, Wuxi, China
| | - Zhenguo Zhao
- Department of General Surgery, Jiangyin Hospital Affiliated to Medical College of Southeast University, Wuxi, China
| | - Qi Sun
- Department of General Surgery, Jiangyin Hospital Affiliated to Medical College of Southeast University, Wuxi, China
| | - Guoyi Shao
- Department of General Surgery, Jiangyin Hospital Affiliated to Medical College of Southeast University, Wuxi, China
| | - Jianming Huang
- Department of General Surgery, Jiangyin Hospital Affiliated to Medical College of Southeast University, Wuxi, China
| | - Wei Zhao
- Department of Biomedical Sciences, City University of Hong Kong, Kowloon, Hong Kong, SAR, China
| | - Yuting Kuang
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
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10
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Xiong G, Pan S, Jin J, Wang X, He R, Peng F, Li X, Wang M, Zheng J, Zhu F, Qin R. Long Noncoding Competing Endogenous RNA Networks in Pancreatic Cancer. Front Oncol 2021; 11:765216. [PMID: 34760707 PMCID: PMC8573238 DOI: 10.3389/fonc.2021.765216] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 09/20/2021] [Indexed: 12/12/2022] Open
Abstract
Pancreatic cancer (PC) is a highly malignant disease characterized by insidious onset, rapid progress, and poor therapeutic effects. The molecular mechanisms associated with PC initiation and progression are largely insufficient, hampering the exploitation of novel diagnostic biomarkers and development of efficient therapeutic strategies. Emerging evidence recently reveals that noncoding RNAs (ncRNAs), including long ncRNAs (lncRNAs) and microRNAs (miRNAs), extensively participate in PC pathogenesis. Specifically, lncRNAs can function as competing endogenous RNAs (ceRNAs), competitively sequestering miRNAs, therefore modulating the expression levels of their downstream target genes. Such complex lncRNA/miRNA/mRNA networks, namely, ceRNA networks, play crucial roles in the biological processes of PC by regulating cell growth and survival, epithelial-mesenchymal transition and metastasis, cancer stem cell maintenance, metabolism, autophagy, chemoresistance, and angiogenesis. In this review, the emerging knowledge on the lncRNA-associated ceRNA networks involved in PC initiation and progression will be summarized, and the potentials of the competitive crosstalk as diagnostic, prognostic, and therapeutic targets will be comprehensively discussed.
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Affiliation(s)
- Guangbing Xiong
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shutao Pan
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jikuan Jin
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaoxiang Wang
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ruizhi He
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Feng Peng
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xu Li
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Min Wang
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jianwei Zheng
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Feng Zhu
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Renyi Qin
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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11
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Liang M, Li Y, Dai T, Chen C. lncRNA FEZF1-AS1 regulates biological behaviors of cervical cancer by targeting miRNA-1254. Food Sci Nutr 2021; 9:4722-4737. [PMID: 34531986 PMCID: PMC8441442 DOI: 10.1002/fsn3.2315] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 02/26/2021] [Accepted: 03/01/2021] [Indexed: 11/21/2022] Open
Abstract
AIM The purpose of this research was to evaluate lncRNA FEZF1-AS1 in cervical cancer development and clinical significance. MATERIALS AND METHODS Collecting cervical cancer tissues, measuring FEZF1-AS1 expression, and analysis correlation between FEZF1-AS1 and prognosis. In cell vitro study, using MTT assay to measure cell proliferation, evaluating cell apoptosis by flow cytometry, measuring cell invasion and migration by Transwell and wound healing assay; lncRNA FEZF1-AS1 and miR-1254 gene expressions were evaluated by RT-qPCR assay; relative protein (Smurf1, E-cadherin, Vimentin, N-cadherin, AKT, p-AKT, c-Myc, and ZEB1) expressions were measured by Western blot assay. The correlation among FEZF1-AS1, miR-1254, and Smurf1 were analysis by dual luciferase reporter gene assay. RESULTS By clinical analysis, lncRNA FEZF1-AS1 was high expression in cervical cancer tissues and high expression was closely correlated with poor prognosis in cervical cancer patients. In vitro study, the SiHa and HeLa cell biologically including cell proliferation, migration, and invasion of si-FEZF1-AS1 group which knockdown lncRNA FEZF1-AS1 were significantly depressed (p < .001, respectively). However, with miR-1254 expression inhibiting, the cell biological activities were significantly increased in si-FEZF1-AS1+miRNA inhibitor groups (p < .001, respectively). CONCLUSION lncRNA FEZF1-AS1 might be an oncological role in cervical cancer; lncRNA FEZF1-AS1 knockdown had antitumor effects with miR-1254 activating in cervical cancer by in vitro study.
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Affiliation(s)
- Miao Liang
- Department of gynaecology and obstetricsChongqing General HospitalUniversity of Chinese Academy of SciencesChongqingChina
| | - Yongkang Li
- Department of gynaecology and obstetricsChongqing General HospitalUniversity of Chinese Academy of SciencesChongqingChina
| | - Tingting Dai
- Department of gynaecology and obstetricsChongqing General HospitalUniversity of Chinese Academy of SciencesChongqingChina
| | - Cheng Chen
- Department of gynaecology and obstetricsChongqing General HospitalUniversity of Chinese Academy of SciencesChongqingChina
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12
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Barth DA, Juracek J, Slaby O, Pichler M, Calin GA. lncRNA and Mechanisms of Drug Resistance in Cancers of the Genitourinary System. Cancers (Basel) 2020; 12:cancers12082148. [PMID: 32756406 PMCID: PMC7463785 DOI: 10.3390/cancers12082148] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 07/27/2020] [Accepted: 07/30/2020] [Indexed: 02/08/2023] Open
Abstract
Available systemic treatment options for cancers of the genitourinary system have experienced great progress in the last decade. However, a large proportion of patients eventually develop resistance to treatment, resulting in disease progression and shorter overall survival. Biomarkers indicating the increasing resistance to cancer therapies are yet to enter clinical routine. Long non-coding RNAs (lncRNA) are non-protein coding RNA transcripts longer than 200 nucleotides that exert multiple types of regulatory functions of all known cellular processes. Increasing evidence supports the role of lncRNAs in cancer development and progression. Additionally, their involvement in the development of drug resistance across various cancer entities, including genitourinary malignancies, are starting to be discovered. Consequently, lncRNAs have been suggested as factors in novel therapeutic strategies to overcome drug resistance in cancer. In this review, the existing evidences on lncRNAs and their involvement in mechanisms of drug resistance in cancers of the genitourinary system, including renal cell carcinoma, bladder cancer, prostate cancer, and testicular cancer, will be highlighted and discussed to facilitate and encourage further research in this field. We summarize a significant number of lncRNAs with proposed pathways in drug resistance and available reported studies.
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Affiliation(s)
- Dominik A. Barth
- Research Unit of Non-Coding RNAs and Genome Editing in Cancer, Division of Clinical Oncology, Department of Medicine, Comprehensive Cancer Center Graz, Medical University of Graz, 8036 Graz, Austria; (D.A.B.); (M.P.)
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Jaroslav Juracek
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
- Department of Comprehensive Cancer Care, Masaryk Memorial Cancer Institute, 62500 Brno, Czech Republic;
- Central European Institute of Technology, Masaryk University, 62500 Brno, Czech Republic
| | - Ondrej Slaby
- Department of Comprehensive Cancer Care, Masaryk Memorial Cancer Institute, 62500 Brno, Czech Republic;
- Central European Institute of Technology, Masaryk University, 62500 Brno, Czech Republic
| | - Martin Pichler
- Research Unit of Non-Coding RNAs and Genome Editing in Cancer, Division of Clinical Oncology, Department of Medicine, Comprehensive Cancer Center Graz, Medical University of Graz, 8036 Graz, Austria; (D.A.B.); (M.P.)
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - George A. Calin
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
- Correspondence:
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13
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Kong W, Yang M, Zhu Y, Zuo X, Wang H, Chen W. Diagnostic value of HOX transcript antisense RNA for cancer detection: a meta-analysis. Biomark Med 2020; 14:401-411. [PMID: 32270696 DOI: 10.2217/bmm-2019-0207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: Numerous studies have investigated the diagnostic role of long noncoding RNA HOX transcript antisense RNA in cancers, but its diagnostic efficacy is inconsistent. Methods: The PubMed, Embase, Web of Science and Cochrane Library databases are used to retrieve relevant studies. The bivariate effect model was used to compute the combined sensitivity, specificity, positive likelihood ratio, negative likelihood ratio, diagnostic odds ratio and area under the receiver operating characteristic curve. Results: A total of 13 studies were included in this meta-analysis. The combined sensitivity, specificity, positive likelihood ratio, negative likelihood ratio, diagnostic odds ratio and area under the receiver operating characteristic curve were: 0.77, 0.83, 4.7, 0.28, 17 and 0.87, respectively. Deeks' funnel plot test (p = 0.103) indicated no publication bias. Conclusion: Long noncoding RNA HOX transcript antisense RNA may be a useful biomarker for cancer detection.
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Affiliation(s)
- Weihao Kong
- Department of Emergency surgery, Department of Emergency Medicine, The First Affiliated Hospital of Anhui Medical University, Heifei, China
| | - Mingwei Yang
- Department of Radiation Oncology, The First Affiliated Hospital of Anhui Medical University, Heifei, China
| | - Yunfeng Zhu
- Department of Emergency surgery, Department of Emergency Medicine, The First Affiliated Hospital of Anhui Medical University, Heifei, China
| | - Xiaomin Zuo
- Department of General surgery, The First Affiliated Hospital of Anhui Medical University, Heifei, China
| | - Hengyi Wang
- Department of Emergency surgery, Department of Emergency Medicine, The First Affiliated Hospital of Anhui Medical University, Heifei, China
| | - Wei Chen
- Department of General surgery, The First Affiliated Hospital of Anhui Medical University, Heifei, China
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14
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Wu Z, Wang W, Wang Y, Wang X, Sun S, Yao Y, Zhang Y, Ren Z. Long noncoding RNA LINC00963 promotes breast cancer progression by functioning as a molecular sponge for microRNA-625 and thereby upregulating HMGA1. Cell Cycle 2020; 19:610-624. [PMID: 32052688 PMCID: PMC7100992 DOI: 10.1080/15384101.2020.1728024] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 10/28/2019] [Accepted: 11/07/2019] [Indexed: 02/06/2023] Open
Abstract
Extensive research has shown that LINC00963 is aberrantly expressed in human cancers, and that dysregulation of LINC00963 is implicated in the initiation and progression of human cancers. The expression and functions of LINC00963 in breast cancer are still unclear. Our aims were to measure the expression of LINC00963 in breast cancer, determine its effects on malignant behaviors of tumor cells, and uncover the molecular events underlying the actions of LINC00963 in breast cancer. Herein, LINC00963 was found to be overexpressed in breast cancer samples, and its overexpression was correlated with lymph node metastasis, TNM stage and differentiation grade. Patients with breast cancer harboring higher LINC00963 expression showed shorter overall survival than did the patients with lower LINC00963 expression. Functional experiments revealed that depletion of LINC00963 inhibited breast cancer cell proliferation, migration, and invasion and facilitated apoptosis in vitro and impaired tumor growth in vivo. Mechanism investigation revealed that LINC00963 can interact with microRNA-625 (miR-625). LINC00963 worked as a competitive endogenous RNA for miR-625 to weaken the suppressive effect of miR-625 on high mobility group AT-hook 1 (HMGA1) in breast cancer cells. Furthermore, miR-625 inhibition and HMGA1 restoration both abrogated the effects of LINC00963 silencing on breast cancer cells. Our findings indicate that the LINC00963-miR-625-HMGA1 pathway plays an important role in the malignancy of breast cancer in vitro and in vivo. Hence, targeting this pathway may be a novel strategy against breast cancer.
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Affiliation(s)
- Zhen Wu
- Department of Breast and Thyroid Surgery, Liaocheng People’s Hospital, Liaocheng, Shandong, P.R. China
| | - Wei Wang
- Department of Breast and Thyroid Surgery, Liaocheng People’s Hospital, Liaocheng, Shandong, P.R. China
| | - Yongkun Wang
- Department of Breast and Thyroid Surgery, Liaocheng People’s Hospital, Liaocheng, Shandong, P.R. China
| | - Xin Wang
- Department of Breast and Thyroid Surgery, Liaocheng People’s Hospital, Liaocheng, Shandong, P.R. China
| | - Shanping Sun
- Department of Breast and Thyroid Surgery, Liaocheng People’s Hospital, Liaocheng, Shandong, P.R. China
| | - Yumin Yao
- Department of Breast and Thyroid Surgery, Liaocheng People’s Hospital, Liaocheng, Shandong, P.R. China
| | - Yang Zhang
- Department of Breast and Thyroid Surgery, Liaocheng People’s Hospital, Liaocheng, Shandong, P.R. China
| | - Zhongxi Ren
- Department of Breast and Thyroid Surgery, Liaocheng People’s Hospital, Liaocheng, Shandong, P.R. China
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15
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Antisense lncRNA LDLRAD4-AS1 promotes metastasis by decreasing the expression of LDLRAD4 and predicts a poor prognosis in colorectal cancer. Cell Death Dis 2020; 11:155. [PMID: 32111819 PMCID: PMC7048743 DOI: 10.1038/s41419-020-2338-y] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 02/07/2020] [Accepted: 02/07/2020] [Indexed: 11/30/2022]
Abstract
Long noncoding RNAs (lncRNAs) have been revealed to play critical roles in tumor initiation and progression. The antisense lncRNA LDLRAD4-AS1 is the longest lncRNA of LDLRAD4, and its expression levels, cellular localization, precise function, and mechanism in colorectal cancer (CRC) remain unknown. In this study, we observed that lncRNA LDLRAD4-AS1 was located in the nucleus of CRC cells and that lncRNA LDLRAD4-AS1 was upregulated in most CRC specimens and cell lines. Overexpression of lncRNA LDLRAD4-AS1 was correlated with poor prognosis in CRC patients. LncRNA LDLRAD4-AS1 upregulation enhanced the migration and invasion of CRC cells in vitro and facilitated CRC metastasis in vivo. Mechanistic investigations suggested that lncRNA LDLRAD4-AS1 could decrease the expression of LDLRAD4 by disrupting the stability of LDLRAD4 mRNA, resulting in epithelial-to-mesenchymal transition (EMT) through upregulating Snail, thereby promoting metastasis in CRC. Our results demonstrated a previously unrecognized LDLRAD4-AS1-LDLRAD4-Snail regulatory axis involved in epigenetic and posttranscriptional regulation that contributes to CRC progression and metastasis.
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16
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Feng Z, Chen R, Huang N, Luo C. Long non-coding RNA ASMTL-AS1 inhibits tumor growth and glycolysis by regulating the miR-93-3p/miR-660/FOXO1 axis in papillary thyroid carcinoma. Life Sci 2020; 244:117298. [PMID: 31953163 DOI: 10.1016/j.lfs.2020.117298] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 01/03/2020] [Accepted: 01/10/2020] [Indexed: 02/08/2023]
Abstract
Long non-coding RNA (lncRNA) is emerging as an essential player in cancer progression. However, its biological function and clinical implication in papillary thyroid carcinoma (PTC) remain poorly understood. In the current study, we found that a novel lncRNA, ASMTL antisense RNA 1 (ASMTL-AS1), was significantly downregulated in PTC. And its downregulation was positively linked to larger tumor size, advanced clinical stage and unfavorable outcome. Overexpression of ASMTL-AS1 evidently inhibited PTC cell proliferation and glycolysis, while knockdown of ASMTL-AS1 resulted in the opposite effect. Regarding the mechanism, ASMTL-AS1 was capable of sponging miR-93-3p and miR-660 to elevate FOXO1 expression, leading to repressing glycolysis and tumorigenesis. In turn, FOXO1 could also increase ASMTL-AS1 expression via directly binding to ASMTL-AS1 promoter, which formed a positive feedback regulation loop. Importantly, the regulatory axis of ASMTL-AS1/miR-93-3p/miR-660/FOXO1 was also identified in vivo. Collectively, our data clearly indicate that ASMTL-AS1 functions as a novel tumor suppressor in PTC through regulation of miR-93-3p/miR-660/FOXO1 pathway. Targeting ASMTL-AS1 and its downstream pathway may be an effective therapeutic approach for patients with PTC.
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Affiliation(s)
- Zhiyi Feng
- Department of General Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510000, China
| | - Rong Chen
- Department of General Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510000, China
| | - Nanqi Huang
- Department of General Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510000, China
| | - Chaoyuan Luo
- Department of General Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510000, China.
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17
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Chu F, Xue L, Miao H. Long noncoding RNA TP73-AS1 in human cancers. Clin Chim Acta 2019; 500:104-108. [PMID: 31678571 DOI: 10.1016/j.cca.2019.09.024] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 09/21/2019] [Accepted: 09/23/2019] [Indexed: 02/06/2023]
Abstract
Long noncoding RNAs (lncRNAs) play an important role in tumor development. With the development of sequencing technology, many new lncRNAs have been discovered. lncRNA TP73-AS1 is abnormally expressed in many cancers. A summary of the current literature related to TP73-AS1 reveals that TP73-AS1 mainly regulates the occurrence and development of tumors through the mechanism of competitive endogenous RNA (ceRNA). In addition, the abnormal expression of TP73-AS1 can regulate the malignant function of tumor cells through a variety of possible mechanisms. All evidence suggests that TP73-AS1 may be a potential diagnostic biomarker or a new cancer therapeutic target.
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Affiliation(s)
- Feihu Chu
- Department of Breast Surgery, Nantong Tumor Hospital, Nantong, China
| | - Lusha Xue
- Department of Urology, Nanjing Drum Tower Hospital, Nanjing, China
| | - Haiyan Miao
- Department of General Surgery, The Sixth People's Hospital of Nantong, Nantong, China; Nantong University, Nantong, China.
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