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Su X, Yan L, Si J, Wang Z, Liang C, Peng K, Shen J, Duan S. LINC00319: Unraveling the spectrum from gene regulation to clinical applications in cancer progression. Gene 2024; 896:148044. [PMID: 38042213 DOI: 10.1016/j.gene.2023.148044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 11/13/2023] [Accepted: 11/28/2023] [Indexed: 12/04/2023]
Abstract
LncRNAs are RNA transcripts that exceed 200 nucleotides in length and do not encode proteins. LINC00319 is a type of lncRNA that is highly expressed in various cancers and is regulated by CCL18 and MYC. High levels of LINC00319 are associated with poorer prognosis and more malignant clinical features in cancer patients. LINC00319 can regulate the expression of downstream genes, including 2 protein-coding genes and 11 miRNAs. It participates in controlling three signaling pathways and various cellular behaviors. LINC00319 and its downstream genes are potential targets for cancer therapy and are associated with common cancer treatments. This article reviews the abnormal expression of LINC00319 in human cancers and related molecular mechanisms, providing clues for further diagnosis and treatment.
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Affiliation(s)
- Xinming Su
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, China; Department of Clinical Medicine, Hangzhou City University, Hangzhou, Zhejiang, China
| | - Lingtao Yan
- Medical Genetics Center, Department of Medicine, Ningbo University, Ningbo, Zhejiang, China
| | - Jiahua Si
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, China; Department of Clinical Medicine, Hangzhou City University, Hangzhou, Zhejiang, China
| | - Zehua Wang
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, China; Department of Clinical Medicine, Hangzhou City University, Hangzhou, Zhejiang, China
| | - Chenhao Liang
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, China; Department of Clinical Medicine, Hangzhou City University, Hangzhou, Zhejiang, China
| | - Kehao Peng
- The Second School of Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jinze Shen
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, China; Department of Clinical Medicine, Hangzhou City University, Hangzhou, Zhejiang, China
| | - Shiwei Duan
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, China; Department of Clinical Medicine, Hangzhou City University, Hangzhou, Zhejiang, China.
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Alizamir A, Amini MA, Karbasi A, Beyrami M. MiR-4492, a New Potential MicroRNA for Cancer Diagnosis and Treatment: A Mini Review. Chonnam Med J 2024; 60:21-26. [PMID: 38304137 PMCID: PMC10828084 DOI: 10.4068/cmj.2024.60.1.21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 01/10/2024] [Accepted: 01/14/2024] [Indexed: 02/03/2024] Open
Abstract
There is no doubt that the incidence of cancer sufferers is rising in the world, and it is estimated that in the next several decades, the number of people suffering from malignancies or the cancer rate will double. Diagnostic and therapeutic targeting of noncoding RNAs (ncRNAs), especially microRNAs (miRNAs) and long noncoding RNAs (lncRNAs), represent an excellent approach for cancer diagnosis and treatment, as well as many other diseases. One of the latest miRNAs is miR-4492, upregulating some genes in tumor tissues including ROMO1, HLA-G, NKIRAS2, FOXK1, and UBE2C. It represents an attractant example of a miRNA acting at multiple levels to affect the same malignancy hallmark. Based on the studies, miR-4492 plays a key role in several cancers such as, breast cancer, bladder cancer, osteosarcoma, glioblastoma multiforme, hepatocellular carcinoma, colorectal cancer, and ovarian cancer. Putting it all together, identifying the precise mechanisms of miR-4492 in the pathogenesis of cancer, could pave the way to find better diagnostic and therapeutic strategies for cancer sufferers. For this reason, it might be a novel potential diagnostic biomarker and therapeutic target for neoplasms.
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Affiliation(s)
- Aida Alizamir
- Department of Pathology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mohammad Amin Amini
- Department of Clinical Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Ashkan Karbasi
- Department of Clinical Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mehdi Beyrami
- Department of Clinical Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
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Tsang DA, Tam SYC, Oh CC. Molecular Alterations in Cutaneous Squamous Cell Carcinoma in Immunocompetent and Immunosuppressed Hosts-A Systematic Review. Cancers (Basel) 2023; 15:cancers15061832. [PMID: 36980718 PMCID: PMC10046480 DOI: 10.3390/cancers15061832] [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: 01/25/2023] [Revised: 02/26/2023] [Accepted: 03/13/2023] [Indexed: 03/30/2023] Open
Abstract
The characterization of cutaneous squamous cell carcinoma (cSCC) at the molecular level is lacking in the current literature due to the high mutational burden of this disease. Immunosuppressed patients afflicted with cSCC experience considerable morbidity and mortality. In this article, we review the molecular profile of cSCC among the immunosuppressed and immunocompetent populations at the genetic, epigenetic, transcriptomic, and proteometabolomic levels, as well as describing key differences in the tumor immune microenvironment between these two populations. We feature novel biomarkers from the recent literature which may serve as potential targets for therapy.
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Affiliation(s)
- Denise Ann Tsang
- Department of Dermatology, Singapore General Hospital, Singapore 169608, Singapore
| | - Steve Y C Tam
- Education Resource Centre, Singapore General Hospital, Singapore 169608, Singapore
| | - Choon Chiat Oh
- Department of Dermatology, Singapore General Hospital, Singapore 169608, Singapore
- Duke-NUS Medical School, Singapore 169608, Singapore
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Super Enhancer-Regulated LINC00094 (SERLOC) Upregulates the Expression of MMP-1 and MMP-13 and Promotes Invasion of Cutaneous Squamous Cell Carcinoma. Cancers (Basel) 2022; 14:cancers14163980. [PMID: 36010973 PMCID: PMC9406669 DOI: 10.3390/cancers14163980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/12/2022] [Accepted: 08/14/2022] [Indexed: 11/16/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) have emerged as important regulators of cancer progression. Super enhancers (SE) play a role in tumorigenesis and regulate the expression of specific lncRNAs. We examined the role of BRD3OS, also named LINC00094, in cutaneous squamous cell carcinoma (cSCC). Elevated BRD3OS (LINC00094) expression was detected in cSCC cells, and expression was downregulated by SE inhibitors THZ1 and JQ1 and via the MEK1/ERK1/2 pathway. Increased expression of BRD3OS (LINC00094) was noted in tumor cells in cSCCs and their metastases compared to normal skin, actinic keratoses, and cSCCs in situ. Higher BRD3OS (LINC00094) expression was noted in metastatic cSCCs than in non-metastatic cSCCs. RNA-seq analysis after BRD3OS (LINC00094) knockdown revealed significantly regulated GO terms Cell-matrix adhesion, Basement membrane, Metalloendopeptidase activity, and KEGG pathway Extracellular matrix–receptor interaction. Among the top-regulated genes were MMP1, MMP10, and MMP13. Knockdown of BRD3OS (LINC00094) resulted in decreased production of MMP-1 and MMP-13 by cSCC cells, suppressed invasion of cSCC cells through collagen I, and growth of human cSCC xenografts in vivo. Based on these observations, BRD3OS (LINC00094) was named SERLOC (super enhancer and ERK1/2-Regulated Long Intergenic non-protein coding transcript Overexpressed in Carcinomas). These results reveal the role of SERLOC in cSCC invasion and identify it as a potential therapeutic target in advanced cSCC.
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Liu F, Li S. Non-coding RNAs in skin cancers:Biological roles and molecular mechanisms. Front Pharmacol 2022; 13:934396. [PMID: 36034860 PMCID: PMC9399465 DOI: 10.3389/fphar.2022.934396] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 07/11/2022] [Indexed: 11/13/2022] Open
Abstract
Cutaneous malignancies, including basal cell carcinoma, cutaneous squamous cell carcinoma, and cutaneous melanoma, are common human tumors. The incidence of cutaneous malignancies is increasing worldwide, and the leading cause of death is malignant invasion and metastasis. The molecular biology of oncogenes has drawn researchers’ attention because of the potential for targeted therapies. Noncoding RNAs, including microRNAs, long noncoding RNAs, and circular RNAs, have been studied extensively in recent years. This review summarizes the aspects of noncoding RNAs related to the metastasis mechanism of skin malignancies. Continuous research may facilitate the identification of new therapeutic targets and help elucidate the mechanism of tumor metastasis, thus providing new opportunities to improve the survival rate of patients with skin malignancies.
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LncRNA NEAT1 Targets miR-342-3p/CUL4B to Inhibit the Proliferation of Cutaneous Squamous Cell Carcinoma Cells. JOURNAL OF ONCOLOGY 2022; 2022:8145129. [PMID: 35909905 PMCID: PMC9337941 DOI: 10.1155/2022/8145129] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 06/18/2022] [Indexed: 12/16/2022]
Abstract
Objective. This study investigated whether lncRNA NEAT1 could inhibit the proliferation of cutaneous squamous cell carcinoma (CSCC) cells by targeting miR-342-3p/CUL4B, thereby affecting the occurrence and development of CSCC. Methods. Fluorescence quantitative PCR was used to detect the expression of lncRNA NEAT1 and miR-42-3p in skin squamous cell carcinoma and adjacent tissues. Bioinformatics software and luciferase reporter gene assay were used to analyze the association of lncRNA NEAT1 and miR-342-3p. The effect of overexpression or knockdown of miR-342-3p on the proliferation of CSCC cells was examined by MTT and colony formation assays. Western blotting was used to detect the proteins of the miR-342-3p/CUL4B signaling axis. Results. The lncRNA NEAT1 is abnormally overexpressed in CSCC tissues and cell lines. The expression of lncRNA NEAT1 and miR-342-3p in CSCC was negatively correlated. Bioinformatics prediction analysis revealed that lncRNA NEAT1 regulates the expression of miR-342-3p. The results of MTT and plate colony formation experiments showed that the transfection of miR-342-3p mimics significantly inhibited the proliferation and plate colony formation of CSCC cells, while the transfection of miR-342-3p inhibitor significantly promoted the proliferation and plate colony-forming ability of CSCC cells. Western blot results showed that lncRNA NEAT1 affected CSCC cell proliferation through miR-342-3p/CUL4B/PI3K-Akt signaling pathway. Conclusion. The expression of lncRNA NEAT1 and miR-342-3p in CSCC tissues was negatively correlated. This study is the first to demonstrate that the lncRNA NEAT1, as a ceRNA, affects the proliferation of skin squamous cell carcinoma cells through the miR-342-3p/CUL4B/PI3K-Akt signaling pathway. Therefore, lncRNA NEAT1 could be a biological marker or target for CSCC diagnosis or treatment.
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Genenger B, Perry JR, Ashford B, Ranson M. A tEMTing target? Clinical and experimental evidence for epithelial-mesenchymal transition in the progression of cutaneous squamous cell carcinoma (a scoping systematic review). Discov Oncol 2022; 13:42. [PMID: 35666359 PMCID: PMC9170863 DOI: 10.1007/s12672-022-00510-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 05/27/2022] [Indexed: 02/07/2023] Open
Abstract
Cutaneous squamous cell carcinoma (cSCC) is a disease with globally rising incidence and poor prognosis for patients with advanced or metastatic disease. Epithelial-mesenchymal transition (EMT) is a driver of metastasis in many carcinomas, and cSCC is no exception. We aimed to provide a systematic overview of the clinical and experimental evidence for EMT in cSCC, with critical appraisal of type and quality of the methodology used. We then used this information as rationale for potential drug targets against advanced and metastatic cSCC. All primary literature encompassing clinical and cell-based or xenograft experimental studies reporting on the role of EMT markers or related signalling pathways in the progression of cSCC were considered. A screen of 3443 search results yielded 86 eligible studies comprising 44 experimental studies, 22 clinical studies, and 20 studies integrating both. From the clinical studies a timeline illustrating the alteration of EMT markers and related signalling was evident based on clinical progression of the disease. The experimental studies reveal connections of EMT with a multitude of factors such as genetic disorders, cancer-associated fibroblasts, and matrix remodelling via matrix metalloproteinases and urokinase plasminogen activator. Additionally, EMT was found to be closely tied to environmental factors as well as to stemness in cSCC via NFκB and β-catenin. We conclude that the canonical EGFR, canonical TGF-βR, PI3K/AKT and NFκB signalling are the four signalling pillars that induce EMT in cSCC and could be valuable therapeutic targets. Despite the complexity, EMT markers and pathways are desirable biomarkers and drug targets for the treatment of advanced or metastatic cSCC.
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Affiliation(s)
- Benjamin Genenger
- School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW, Australia.
- Illawarra Health and Medical Research Institute, Wollongong, NSW, Australia.
| | - Jay R Perry
- School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW, Australia
- Illawarra Health and Medical Research Institute, Wollongong, NSW, Australia
| | - Bruce Ashford
- Illawarra Health and Medical Research Institute, Wollongong, NSW, Australia
- School of Medicine, University of Wollongong, Wollongong, NSW, Australia
| | - Marie Ranson
- School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW, Australia.
- Illawarra Health and Medical Research Institute, Wollongong, NSW, Australia.
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Molecular Mechanisms of Cutaneous Squamous Cell Carcinoma. Int J Mol Sci 2022; 23:ijms23073478. [PMID: 35408839 PMCID: PMC8998533 DOI: 10.3390/ijms23073478] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/18/2022] [Accepted: 03/18/2022] [Indexed: 12/25/2022] Open
Abstract
Non-melanoma skin cancers are cutaneous malignancies representing the most common form of cancer in the United States. They are comprised predominantly of basal cell carcinomas and squamous cell carcinomas (cSCC). The incidence of cSCC is increasing, resulting in substantial morbidity and ever higher treatment costs; currently in excess of one billion dollars, per annum. Here, we review research defining the molecular basis and development of cSCC that aims to provide new insights into pathogenesis and drive the development of novel, cost and morbidity saving therapies.
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Lv J, Zhang W, Wang Y. Long non-coding RNA PICSAR serves as a non-invasive biomarker for the diagnosis and prognosis of cutaneous squamous cell carcinoma. Clin Exp Med 2021; 21:579-586. [PMID: 34043139 DOI: 10.1007/s10238-021-00721-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 05/05/2021] [Indexed: 12/12/2022]
Abstract
Cutaneous squamous cell carcinoma (cSCC) is one of the most common malignant tumors in dermatology, and its incidence is increasing year by year. Long non-coding RNAs (lncRNAs) play vital roles in the processes of various malignant tumors. This study aimed to evaluate the expression of long non-coding RNA PICSAR and investigate whether serum PICSAR could serve as a biomarker for the diagnosis and prognosis of cSCC. The expression level of PICSAR was measured using quantitative Real-Time PCR. The diagnostic value of PICSAR was evaluated by receiver operating characteristic (ROC) analysis. Survival curves were established using the Kaplan-Meier method, and the log-rank test was used to compare differences between the two curves. Prognostic value of PICSAR was confirmed by Cox regression analysis. The expression of PICSAR was upregulated in serum of cSCC patients and tumor tissues of patients. Additionally, serum PICSAR expression had relatively high diagnostic accuracy for the screening of cSCC. Moreover, PICSAR expression was correlated with tumor size, grade of differentiation and TNM stages, and significantly increased in cSCC patients with poor tumor differentiation and cSCC patients with III-IV TNM stage. Furthermore, patients with high PICSAR expression had lower overall survival than the patients with low PICSAR expression, and PICSAR expression was an independent prognostic factors for cSCC patients. The results of this study indicated that PICSAR was upregulated in cSCC patients and tumor tissues and might serve as a non-invasive biomarker for the diagnosis and prognosis of cSCC patients.
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Affiliation(s)
- Jianping Lv
- Aesthetic Orthopaedics, Weifang People's Hospital, No. 151, Guangwen Street, Kuiwen District, Weifang, 261041, Shandong, China
| | - Wei Zhang
- Aesthetic Orthopaedics, Weifang People's Hospital, No. 151, Guangwen Street, Kuiwen District, Weifang, 261041, Shandong, China
| | - Yanhua Wang
- Aesthetic Orthopaedics, Weifang People's Hospital, No. 151, Guangwen Street, Kuiwen District, Weifang, 261041, Shandong, China.
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10
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Non-coding RNA dysregulation in skin cancers. Essays Biochem 2021; 65:641-655. [PMID: 34414406 DOI: 10.1042/ebc20200048] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 07/16/2021] [Accepted: 08/04/2021] [Indexed: 02/07/2023]
Abstract
Skin cancers are the most common cancers worldwide. They can be classified in melanoma and non-melanoma skin cancer (NMSC), the latter includes squamous cell carcinoma (SCC), basal cell carcinoma (BCC) and merkel cell carcinoma (MCC). In recent years, the crucial role of non-coding RNAs (ncRNAs) in skin cancer pathogenesis has become increasingly evident. NcRNAs are functional RNA molecules that lack any protein-coding activity. These ncRNAs are classified based on their length: small, medium-size, and long ncRNAs. Among the most studied ncRNAs there are microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNA (circRNAs). ncRNAs have the ability to regulate gene expression at transcriptional and post-transcriptional levels and are involved in skin cancer cell proliferation, angiogenesis, invasion, and metastasis. Many ncRNAs exhibit tissue- or cell-specific expression while others have been correlated to tumor staging, drug resistance, and prognosis. For these reasons, ncRNAs have both a diagnostic and prognostic significance in skin cancers. Our review summarizes the functional role of ncRNAs in skin cancers and their potential clinical application as biomarkers.
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11
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Droll S, Bao X. Oh, the Mutations You'll Acquire! A Systematic Overview of Cutaneous Squamous Cell Carcinoma. Cell Physiol Biochem 2021; 55:89-119. [PMID: 34553848 PMCID: PMC8579759 DOI: 10.33594/000000433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/05/2021] [Indexed: 12/15/2022] Open
Abstract
Nearly two million cases of cutaneous squamous cell carcinoma (cSCC) are diagnosed every year in the United States alone. cSCC is notable for both its prevalence and its propensity for invasion and metastasis. For many patients, surgery is curative. However, patients experiencing immunosuppression or recurrent, advanced, and metastatic disease still face limited therapeutic options and significant mortality. cSCC forms after decades of sun exposure and possesses the highest known mutation rate of all cancers. This mutational burden complicates efforts to identify the primary factors driving cSCC initiation and progression, which in turn hinders the development of targeted therapeutics. In this review, we summarize the mutations and alterations that have been observed in patients’ cSCC tumors, affecting signaling pathways, transcriptional regulators, and the microenvironment. We also highlight novel therapeutic opportunities in development and clinical trials.
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Affiliation(s)
- Stephenie Droll
- Department of Molecular Biosciences, Northwestern University, Evanston, IL, USA
| | - Xiaomin Bao
- Department of Molecular Biosciences, Northwestern University, Evanston, IL, USA, .,Department of Dermatology, Northwestern University, Chicago, IL, USA.,Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, USA
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Yuan L, Tian X, Zhang Y, Huang X, Li Q, Li W, Li S. LINC00319 promotes cancer stem cell-like properties in laryngeal squamous cell carcinoma via E2F1-mediated upregulation of HMGB3. Exp Mol Med 2021; 53:1218-1228. [PMID: 34408262 PMCID: PMC8417254 DOI: 10.1038/s12276-021-00647-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 04/09/2021] [Accepted: 05/27/2021] [Indexed: 02/07/2023] Open
Abstract
Laryngeal squamous cell carcinoma (LSCC) is one of the most common subtypes of head and neck malignancies worldwide. Long intervening/intergenic noncoding RNAs (LINCRNAs) have been recently implicated in various biological processes that take place in the setting of laryngeal cancer, but the regulatory role of LINC00319 in LSCC remains largely unknown. The current study aimed to elucidate the regulatory effect of LINC00319 on the development and progression of LSCC via high-mobility group box 3 (HMGB3). Microarray-based analysis was initially conducted to identify differentially expressed long noncoding RNAs, after which the expression of LINC00319 and HMGB3 in LSCC tissues and cells was determined accordingly. CD133+CD144+ TU177 cells were subsequently isolated and transfected with LINC00319 overexpression vector (oe-LINC00319), short hairpin RNA (sh)-LINC00319, sh-HMGB3, sh-E2F transcription factor 1 (E2F1), and oe-E2F1, as well as their corresponding controls. The proliferative, invasion, self-renewal, and tumorigenic abilities of CD133+CD144+ TU177 cells were then evaluated. Our in vitro findings were further confirmed following subcutaneous injection of cells expressing the corresponding plasmids into nude mice. LINC00319 and HMGB3 expressions were elevated in LSCC cells and tissues. LINC00319 increased HMGB3 expression by recruiting E2F1. Furthermore, the stimulatory role of LINC00319 on the proliferation, invasion, self-renewal ability, and tumorigenicity of CD133+CD144+ TU177 cells was achieved by upregulating HMGB3 via recruitment of E2F1. The in vitro findings were also confirmed by in vivo experiments. Taken together, these data show that downregulating LINC00319 in CD133+CD144+ TU177 cells may serve as a potential anticancer regimen by inhibiting the proliferation and invasion of cancer stem cells in LSCC.
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Affiliation(s)
- Linlin Yuan
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, People's Republic of China
| | - Xiufen Tian
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, People's Republic of China
| | - Yanfei Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, People's Republic of China
| | - Xinhui Huang
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, People's Republic of China
| | - Qing Li
- Department of Pathology, The Third Affiliated Hospital of Soochow University (Changzhou City No. 1 People's Hospital), 215006, Changzhou, People's Republic of China
| | - Wencai Li
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, People's Republic of China.
| | - Shenglei Li
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, People's Republic of China.
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Kashyap MP, Sinha R, Mukhtar MS, Athar M. Epigenetic regulation in the pathogenesis of non-melanoma skin cancer. Semin Cancer Biol 2020; 83:36-56. [PMID: 33242578 DOI: 10.1016/j.semcancer.2020.11.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 11/17/2020] [Accepted: 11/18/2020] [Indexed: 02/07/2023]
Abstract
Understanding of cancer with the help of ever-expanding cutting edge technological tools and bioinformatics is revolutionizing modern cancer research by broadening the space of discovery window of various genomic and epigenomic processes. Genomics data integrated with multi-omics layering have advanced cancer research. Uncovering such layers of genetic mutations/modifications, epigenetic regulation and their role in the complex pathophysiology of cancer progression could lead to novel therapeutic interventions. Although a plethora of literature is available in public domain defining the role of various tumor driver gene mutations, understanding of epigenetic regulation of cancer is still emerging. This review focuses on epigenetic regulation association with the pathogenesis of non-melanoma skin cancer (NMSC). NMSC has higher prevalence in Caucasian populations compared to other races. Due to lack of proper reporting to cancer registries, the incidence rates for NMSC worldwide cannot be accurately estimated. However, this is the most common neoplasm in humans, and millions of new cases per year are reported in the United States alone. In organ transplant recipients, the incidence of NMSC particularly of squamous cell carcinoma (SCC) is very high and these SCCs frequently become metastatic and lethal. Understanding of solar ultraviolet (UV) light-induced damage and impaired DNA repair process leading to DNA mutations and nuclear instability provide an insight into the pathogenesis of metastatic neoplasm. This review discusses the recent advances in the field of epigenetics of NMSCs. Particularly, the role of DNA methylation, histone hyperacetylation and non-coding RNA such as long-chain noncoding (lnc) RNAs, circular RNAs and miRNA in the disease progression are summarized.
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Affiliation(s)
- Mahendra Pratap Kashyap
- UAB Research Center of Excellence in Arsenicals, Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Rajesh Sinha
- UAB Research Center of Excellence in Arsenicals, Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - M Shahid Mukhtar
- Department of Biology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Mohammad Athar
- UAB Research Center of Excellence in Arsenicals, Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
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14
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Piipponen M, Nissinen L, Kähäri VM. Long non-coding RNAs in cutaneous biology and keratinocyte carcinomas. Cell Mol Life Sci 2020; 77:4601-4614. [PMID: 32462404 PMCID: PMC7599158 DOI: 10.1007/s00018-020-03554-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 04/29/2020] [Accepted: 05/15/2020] [Indexed: 12/12/2022]
Abstract
Long non-coding RNAs (lncRNAs) are a largely uncharacterized group of non-coding RNAs with diverse regulatory roles in various biological processes. Recent observations have elucidated the functional roles of lncRNAs in cutaneous biology, e.g. in proliferation and differentiation of epidermal keratinocytes and in cutaneous wound repair. Furthermore, the role of lncRNAs in keratinocyte-derived skin cancers is emerging, especially in cutaneous squamous cell carcinoma (cSCC), which presents a significant burden to health care services worldwide and causes high mortality as metastatic disease. Elucidation of the functions of keratinocyte-specific lncRNAs will improve understanding of the molecular pathogenesis of epidermal disorders and skin cancers and can be exploited in development of new diagnostic and therapeutic applications for keratinocyte carcinomas. In this review, we summarize the current evidence of functionally important lncRNAs in cutaneous biology and in keratinocyte carcinomas.
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Affiliation(s)
- Minna Piipponen
- Department of Dermatology, University of Turku and Turku University Hospital, Hämeentie 11 TE6, 20520, Turku, Finland
- Cancer Research Laboratory, Western Cancer Centre of the Cancer Center Finland (FICAN West), University of Turku and Turku University Hospital, Turku, Finland
| | - Liisa Nissinen
- Department of Dermatology, University of Turku and Turku University Hospital, Hämeentie 11 TE6, 20520, Turku, Finland
- Cancer Research Laboratory, Western Cancer Centre of the Cancer Center Finland (FICAN West), University of Turku and Turku University Hospital, Turku, Finland
| | - Veli-Matti Kähäri
- Department of Dermatology, University of Turku and Turku University Hospital, Hämeentie 11 TE6, 20520, Turku, Finland.
- Cancer Research Laboratory, Western Cancer Centre of the Cancer Center Finland (FICAN West), University of Turku and Turku University Hospital, Turku, Finland.
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CCL18-induced LINC00319 promotes proliferation and metastasis in oral squamous cell carcinoma via the miR-199a-5p/FZD4 axis. Cell Death Dis 2020; 11:777. [PMID: 32948745 PMCID: PMC7501282 DOI: 10.1038/s41419-020-02978-w] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 07/30/2020] [Accepted: 07/31/2020] [Indexed: 12/13/2022]
Abstract
Long non-coding RNAs (lncRNAs), which may be modulated by chemokines, are key regulators in many cancers including oral squamous cell carcinoma (OSCC). An understanding of lncRNAs involved in chemokine (CC motif) ligand 18 (CCL18)-induced OSCC promotion remains elusive. The present study using lncRNA sequencing found LINC00319 to be significantly upregulated in OSCC cells subjected to rCCL18 stimulation. Furthermore, LINC00319 knockdown was found to attenuate the carcinogenic function of CCL18 in OSCC, reducing OSCC proliferation, metastasis, epithelial-mesenchymal transition (EMT), and angiogenesis. LINC00319 was demonstrated to act as a ceRNA in OSCC, which directly responded to miR-199a-5p and rescued the repression of FZD4 by miR-199a-5p. Functionally, in vitro and in vivo experiments showed that LINC00319 promoted OSCC growth and metastasis via downregulating miR-199a-5p and upregulating FZD4. In vitro rescue assays demonstrated that miR-199a-5p inhibitor or FZD4 overexpression reversed the effects of LINC00319 silencing in OSCC. Importantly, the expression of miR-199a-5p and FZD4 were found to be mediated by CCL18, and miR-199a-5p mimics inhibited the CCL18-promoting effects in oral cancer cells. Taken together, these results evidenced a mechanism of CCL18 action in OSCC mediated through the LINC00319/miR-199a-5p/FZD4 signaling pathway, which may comprise a potential target for OSCC therapeutic development.
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16
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Garofoli M, Volpicella M, Guida M, Porcelli L, Azzariti A. The Role of Non-Coding RNAs as Prognostic Factor, Predictor of Drug Response or Resistance and Pharmacological Targets, in the Cutaneous Squamous Cell Carcinoma. Cancers (Basel) 2020; 12:cancers12092552. [PMID: 32911687 PMCID: PMC7565940 DOI: 10.3390/cancers12092552] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/02/2020] [Accepted: 09/04/2020] [Indexed: 12/12/2022] Open
Abstract
Cutaneous squamous cell carcinoma (CSCC) is the most common keratinocyte-derived skin cancer in the Caucasian population. Exposure to UV radiations (UVRs) represents the main risk carcinogenesis, causing a considerable accumulation of DNA damage in epidermal keratinocytes with an uncontrolled hyperproliferation and tumor development. The limited and rarely durable response of CSCC to the current therapeutic options has led researchers to look for new therapeutic strategies. Recently, the multi-omics approaches have contributed to the identification and prediction of the key role of non-coding RNAs (ncRNAs), such as microRNAs (miRNAs), circularRNAs (circRNAs) and long non-coding RNAs (lncRNAs) in the regulation of several cellular processes in different tumor types, including CSCC. ncRNAs can modulate transcriptional and post-transcriptional events by interacting either with each other or with DNA and proteins, such as transcription factors and RNA-binding proteins. In this review, the implication of ncRNAs in tumorigenesis and their potential role as diagnostic biomarkers and therapeutic targets in human CSCC are reported.
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Affiliation(s)
- Marianna Garofoli
- Experimental Pharmacology Laboratory, IRCCS IstitutoTumori Giovanni Paolo II, 70124 Bari, Italy; (M.G.); (L.P.)
| | - Mariateresa Volpicella
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, 70126 Bari, Italy;
| | - Michele Guida
- Rare Tumors and Melanoma Unit, IRCCS IstitutoTumori Giovanni Paolo II, 70124 Bari, Italy;
| | - Letizia Porcelli
- Experimental Pharmacology Laboratory, IRCCS IstitutoTumori Giovanni Paolo II, 70124 Bari, Italy; (M.G.); (L.P.)
| | - Amalia Azzariti
- Experimental Pharmacology Laboratory, IRCCS IstitutoTumori Giovanni Paolo II, 70124 Bari, Italy; (M.G.); (L.P.)
- Correspondence: ; Tel.: +39-080-555-5986
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Lu X, Gan Q, Gan C, Zheng Y, Cai B, Li X, Li D, Yin G. Long non-coding RNA PICSAR knockdown inhibits the progression of cutaneous squamous cell carcinoma by regulating miR-125b/YAP1 axis. Life Sci 2020; 274:118303. [PMID: 32841663 DOI: 10.1016/j.lfs.2020.118303] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 06/30/2020] [Accepted: 08/17/2020] [Indexed: 01/22/2023]
Abstract
AIMS The purpose of this study was to explore the precise role and mechanism of p38 inhibiting cutaneous squamous cell carcinoma associated lincRNA (PICSAR) in CSCC. MATERIALS AND METHODS The expression levels of PICSAR, microRNA-125b (miR-125b) and yes-associated protein1 (YAP1) were determined by quantitative real-time polymerase chain reaction (qRT-PCR). Cell proliferation, apoptosis and invasion were evaluated by Cell Counting Kit-8 (CCK-8) assay, flow cytometry, transwell assay, respectively. The interaction between miR-125b and PICSAR or YAP1 was predicted by bioinformatics software and confirmed by dual-luciferase reporter and RNA immunoprecipitation (RIP) assays. Western blot was employed to detect the protein expression of YAP1. The mice xenograft model was established to investigate the role of PICSAR in vivo. KEY FINDINGS PICSAR was upregulated in CSCC tissues and cells. PICSAR knockdown inhibited cell proliferation and invasion and induced apoptosis in CSCC cells. Moreover, miR-125b could directly bind to PICSAR and its inhibition reversed the effect of PICSAR knockdown on proliferation, invasion and apoptosis in CSCC cells. In addition, YAP1 was a direct target of miR-125b and its overexpression attenuated the anti-cancer role of miR-125b in CSCC cells. Furthermore, YAP1 expression was positively regulated by PICSAR and negatively regulated by miR-125b. Besides, interference of PICSAR suppressed tumor growth by upregulating miR-125b and downregulating YAP1. SIGNIFICANCE PICSAR knockdown suppressed cell proliferation and invasion and promoted apoptosis in CSCC cells by regulating miR-125b/YAP1 axis, providing new sights for treatment of CSCC.
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Affiliation(s)
- Xiaoyan Lu
- Department of Dermatology, Xinxiang Central Hospital, Xinxiang, Henan, China
| | - Quan Gan
- Department of Dermatology, Xinxiang Central Hospital, Xinxiang, Henan, China
| | - Caibin Gan
- Department of Dermatology, Xinxiang Central Hospital, Xinxiang, Henan, China
| | - Yunpeng Zheng
- Department of Dermatology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Bingjie Cai
- Department of Dermatology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xuyang Li
- Department of Dermatology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Dongqin Li
- Department of Dermatology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Guangwen Yin
- Department of Dermatology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
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Sun F, Yu Z, Wu B, Zhang H, Ruan J. LINC00319 promotes osteosarcoma progression by regulating the miR-455-3p/NFIB axis. J Gene Med 2020; 22:e3248. [PMID: 32621625 DOI: 10.1002/jgm.3248] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 06/26/2020] [Accepted: 06/28/2020] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Numerous studies have shown that aberrant expression of long non-coding RNAs (lncRNAs) is associated with the development and metastasis of osteosarcoma (OS). However, the role and function of LINC00319 with respect to regulating OS progression is unknown. The present study aimed to reveal the function and related mechanism of LINC00319 in OS. METHODS The expression of LINC00319, miR-455-3p and nuclear factor IB (NFIB) in OS cells and tissues was determined using a reverse transcriptase-polymerase chain reaction (PCR). The sublocalization of LINC00319 was predicted by the lncATLAS database (http://lncatlas.crg.eu) and RNA fluorescence in situ hybridization (FISH) was further performed to detect the subcellular localization of LINC00319. LINC00319, miR-455-3p and NFIB target sites were predicted by StarBase (http://starbase.sysu.edu.cn/index.php) and validated using a dual luciferase reporter gene assay. We subsequently performed LINC00319 gain- and loss-of-function studies to define the role of LINC00319 in OS cell migration. RESULTS PCR results showed that lncRNA LINC00319 exhibited high expression in tumor cells and tissue. Moreover, LINC00319 was positioned in the cytoplasm, which was identified by FISH. Knockdown of lncRNA LINC00319/NFIB or overexpression of miR-455-3p blocked the migration of OS cells. In addition, the inhibitory effect of migration with the knockdown of lncRNA LINC00319 was partially blocked by administration of miR-455-3p inhibitor. CONCLUSIONS lncRNA LINC00319 may promote OS progression by regulating the miR-455-3p/NFIB axis, which probably serves as an innovative potential indicator of prognosis and a target of therapy for OS.
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Affiliation(s)
- Farui Sun
- Department of Orthopedics, Huangshi Central Hospital, Affiliated Hospital of Hubei Polytechnic University, Edong Healthcare Group, Huangshi, Hubei, China
| | - Ziliang Yu
- School of Medicine, Nantong University, Nantong, Jiangsu, China.,Department of Orthopedics, Second Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Bingbing Wu
- Department of Orthopedics, Second Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Haiping Zhang
- Department of Orthopedics, Second Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Jing Ruan
- Department of Psychology, Huangshi Psychiatric Hospital, Huangshi, Hubei, China
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Deciphering the Molecular Landscape of Cutaneous Squamous Cell Carcinoma for Better Diagnosis and Treatment. J Clin Med 2020; 9:jcm9072228. [PMID: 32674318 PMCID: PMC7408826 DOI: 10.3390/jcm9072228] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/10/2020] [Accepted: 07/13/2020] [Indexed: 02/07/2023] Open
Abstract
Cutaneous squamous cell carcinoma (cSCC) is a common type of neoplasia, representing a terrible burden on patients' life and clinical management. Although it seldom metastasizes, and most cases can be effectively treated with surgical intervention, once metastatic cSCC displays considerable aggressiveness leading to the death of affected individuals. No consensus has been reached as to which features better characterize the aggressive behavior of cSCC, an achievement hindered by the high mutational burden caused by chronic ultraviolet light exposure. Even though some subtypes have been recognized as high risk variants, depending on certain tumor features, cSCC that are normally thought of as low risk could pose an increased danger to the patients. In light of this, specific genetic and epigenetic markers for cutaneous SCC, which could serve as reliable diagnostic markers and possible targets for novel treatment development, have been searched for. This review aims to give an overview of the mutational landscape of cSCC, pointing out established biomarkers, as well as novel candidates, and future possible molecular therapies for cSCC.
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20
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Ma Z, Cai Y, Zhang L, Tian C, Lyu L. LINC00319 Promotes Cervical Cancer Progression Via Targeting miR-147a/IGF1R Pathway. Cancer Biother Radiopharm 2020:cbr.2020.3722. [PMID: 32644822 DOI: 10.1089/cbr.2020.3722] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Background: Cervical cancer is identified as the fourth most common female malignancy worldwide. Recently, Linc00319 was reported to play an important role in the development and progression of cervical cancer. However, little is known about the molecular mechanism and clinical significance of Linc00319 in the carcinogenesis of cervical cancer. This study aims to reveal the biological function and molecular mechanisms of Linc00319 in cell proliferation, invasion, and migration of cervical cancer. Materials and Methods: In the current study, gene expression levels of Linc00319, miR-147a, and IFG1R were detected by quantitative real-time PCR in clinical tissue samples and cervical cancer cell lines. Protein levels were also determined by western blot assay in cervical cancer cells. CCK-8, transwell, and wound healing assays were used to test the proliferation, invasion, and migration of cervical cancer cell lines in vitro. Target genes were predicted through bioinformatics methods and then verified by gene engineering technology. Results: The authors' results showed that Linc00319 was upregulated in cervical cancer tissues and cell lines, while Linc00319silencing could inhibit cervical cancer cell proliferation, invasion, and migration. Further investigations showed that Linc00319 interacted with miR-147a and inhibited its expression, unregulated IGF1R to induce progression of cervical cancer. Conclusions: Their research indicated that Linc00319 might play an oncogenic role in cervical cancer and regulate the progression of cervical tumor growth by inhibiting the expression of miR-147a and activating IGF1R-related pathway. The findings suggest a novel molecular biomarker and therapeutic target for cervical tumor and may provide a novel therapeutic strategy for preventing the metastasis of cervical cancer.
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Affiliation(s)
- Zhe Ma
- Department of Obstetrics and Gynecology, Affiliated Hospital of Beihua University, Jilin City, China
| | - Yufei Cai
- Department of Obstetrics and Gynecology, Affiliated Hospital of Beihua University, Jilin City, China
| | - Limei Zhang
- Department of Obstetrics and Gynecology, Affiliated Hospital of Beihua University, Jilin City, China
| | - Chenchen Tian
- Department of Obstetrics and Gynecology, Affiliated Hospital of Beihua University, Jilin City, China
| | - Lin Lyu
- Department of Gynecology, The First Affiliated Hospital of Chengdu Medical College, Chengdu City, China
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21
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Khan AQ, Ahmad F, Raza SS, Zarif L, Siveen KS, Sher G, Agha MV, Rashid K, Kulinski M, Buddenkotte J, Uddin S, Steinhoff M. Role of non-coding RNAs in the progression and resistance of cutaneous malignancies and autoimmune diseases. Semin Cancer Biol 2020; 83:208-226. [PMID: 32717336 DOI: 10.1016/j.semcancer.2020.07.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 06/28/2020] [Accepted: 07/06/2020] [Indexed: 02/06/2023]
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Zhang Z, Jia M, Wen C, He A, Ma Z. Long non-coding RNA SCARNA2 induces cutaneous squamous cell carcinoma progression via modulating miR-342-3p expression. J Gene Med 2020; 22:e3242. [PMID: 32558970 DOI: 10.1002/jgm.3242] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 05/31/2020] [Accepted: 06/02/2020] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Long non-coding RNAs (lncRNAs) play important roles in the progression of tumors. However, the function and expression of SCARNA2 in cutaneous squamous cell carcinoma (cSCC) is still unreported. METHODS A quantitative polymerase chain reaction was applied to study the expression of SCARNA2 and miR-342-3p. Cell counting kit-8, flow cytometry and transwell assays were performed to study cell growth, cycle and cell invasion. RESULTS We found that SCARNA2 expression is up-regulated in cSCC cell lines and SCARNA2 expression is higher in cSCC tissues than in adjacent non-tumor specimens. Ectopic expression of SCARNA2 promoted cell growth, cell cycle and invasion in SCC13 cells. In addition, the data indicate that miR-342-3p expression is down-regulated in cSCC cell lines and miR-342-3p is down-regulated in cSCC tissues compared to adjacent non-tumor specimens. We showed that the SCARNA2 expression is negatively associated with miR-342-3p in cSCC. Moreover, we noted that SCARNA2 sponges miR-342-3p expression in cSCC cells. Overexpression of SCARNA2 suppressed the miR-342-3p expressed in SCC13 cells. We found that elevated expression of SCARNA2 promotes cell growth, cell cycle and invasion via regulating miR-342-3p expression in SCC13 cells. CONCLUSIONS These data suggest that SCARNA2 acts in an oncogenic role and may be a potential target for cSCC.
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Affiliation(s)
- Zhongzhao Zhang
- Department of Dermatology, The First Affiliated Hospital of Guizhou University of Chinese Medicine, Guizhou, 550001, China
| | - Min Jia
- Department of Dermatology, The First Affiliated Hospital of Guizhou University of Chinese Medicine, Guizhou, 550001, China
| | - Changhui Wen
- Department of Dermatology, The First Affiliated Hospital of Guizhou University of Chinese Medicine, Guizhou, 550001, China
| | - Aijuan He
- Department of Dermatology, The First Affiliated Hospital of Guizhou University of Chinese Medicine, Guizhou, 550001, China
| | - Zunfeng Ma
- Department of Dermatology, The First Affiliated Hospital of Guizhou University of Chinese Medicine, Guizhou, 550001, China
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23
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Wang X, Meng R, Hu QM. LINC00319-Mediated miR-3127 Repression Enhances Bladder Cancer Progression Through Upregulation of RAP2A. Front Genet 2020; 11:180. [PMID: 32194636 PMCID: PMC7063470 DOI: 10.3389/fgene.2020.00180] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Accepted: 02/14/2020] [Indexed: 12/22/2022] Open
Abstract
Recent studies suggested that microRNA-3127 (miR-3127) was dysregulated in multiple tumor types and has important roles in tumorigenesis and cancer progression. However, its biological roles and the mechanisms that regulate its expression in bladder cancer (BCA) remain to be determined. The expression level of miR-3127 was measured in BCA tissues and its cellular functions were examined using both in vitro and in vivo experiments. The interaction between miR-3127 and long non-coding RNA (lncRNA) LINC00319 was explored using RNA immunoprecipitation assay and luciferase reporter assays. We showed that miR-3127 expression was significantly downregulated in human BCA tissues and BCA cell lines. Lower miR-3127 levels were associated with worse survival in BCA patients. The overexpression of miR-3127 impaired BCA cell proliferation and invasion, and the knockdown of miR-3127 enhanced BCA cell proliferation and invasion in vitro. Importantly, miR-3127 was able to suppress cell growth in vivo. We demonstrated that miR-3127 repressed the proliferation and invasion of BCA cells though directly targeted the 3′-UTR of RAP2A, which served as a novel oncogene in BCA cells. The suppression of cell proliferation and invasion caused by miR-3127 overexpression could be partially abrogated by ectopic expression of RAP2A. Furthermore, high expression of LINC00319 was correlated with adverse survival in BCA patients. LINC00319 could bind directly with miR-3127 and inhibited its expression, and the tumor-promoting effects of LINC00319 could be reversed by re-expression of miR-3127 in BCA cells. Our findings indicated that lncRNA LINC00319-mediated miR-3127 repression promotes BCA progression through the upregulation of RAP2A. The re-introduction of miR-3127 or inhibition of LINC00319 might represent a promising therapeutic strategy for BCA treatment.
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Affiliation(s)
- Xiaoqing Wang
- Department of Operation Room, Shangqiu First People's Hospital of Henan, Shangqiu, China
| | - Ran Meng
- Department of Urology, Shangqiu First People's Hospital of Henan, Shangqiu, China
| | - Qing-Mei Hu
- Department of Operation Room, Shangqiu First People's Hospital of Henan, Shangqiu, China
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Wang Y, Sun B, Wen X, Hao D, Du D, He G, Jiang X. The Roles of lncRNA in Cutaneous Squamous Cell Carcinoma. Front Oncol 2020; 10:158. [PMID: 32185124 PMCID: PMC7059100 DOI: 10.3389/fonc.2020.00158] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 01/29/2020] [Indexed: 02/05/2023] Open
Abstract
Cutaneous squamous cell carcinoma derives from keratinocytes and is the second most common cause of non-melanoma skin cancer. Cutaneous squamous cell carcinoma (cSCC) develops rapidly and is also the leading cause of death in non-melanoma cancers. Lymph node metastasis occurs in 5% of cSCC patients, and some patients may even metastasize to the viscera. Patients with regional lymphatic metastasis or distant metastases have a <20% 10-year survival rate, indicating the substantial challenge in treating advanced and metastatic cSCC. Some lncRNAs have been found to be abnormally overexpressed in many tumor tissues, so that they can be considered as potential new biomarkers or targets that can be used in the diagnosis and treatment of cSCC in the future. In this review, we summarize the role of lncRNA in cutaneous squamous cell carcinoma to make a better understanding of mutations in cSCC and lay the foundation for effective target therapy of cSCC.
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Affiliation(s)
- Yujia Wang
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, China
| | - Bensen Sun
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, China
| | - Xiang Wen
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, China
| | - Dan Hao
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, China
| | - Dan Du
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, China
| | - Gu He
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Xian Jiang
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, China
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25
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Piipponen M, Nissinen L, Riihilä P, Farshchian M, Kallajoki M, Peltonen J, Peltonen S, Kähäri VM. p53-Regulated Long Noncoding RNA PRECSIT Promotes Progression of Cutaneous Squamous Cell Carcinoma via STAT3 Signaling. THE AMERICAN JOURNAL OF PATHOLOGY 2019; 190:503-517. [PMID: 31837949 DOI: 10.1016/j.ajpath.2019.10.019] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 10/08/2019] [Accepted: 10/15/2019] [Indexed: 01/28/2023]
Abstract
Long noncoding RNAs (lncRNAs) have emerged as putative biomarkers and therapeutic targets in cancer. The role of lncRNA LINC00346 in cutaneous squamous carcinoma (cSCC) was examined. The expression of LINC00346 was up-regulated in cSCC cells compared with normal human epidermal keratinocytes. Elevated expression of LINC00346 was noted in tumor cells in cSCC tissue sections in vivo, as compared with cSCC in situ, and actinic keratosis by RNA in situ hybridization; and the expression in seborrheic keratosis and normal skin was very low. Immunohistochemical analysis of cSCC tissue sections and functional assays of cSCC cells in culture showed that LINC00346 expression is down-regulated by p53. Knockdown of LINC00346 inhibited invasion of cSCC cells in culture and suppressed growth of human cSCC xenografts in vivo. Knockdown of LINC00346 inhibited expression of activated STAT3 and resulted in down-regulation of the expression of matrix metalloproteinase (MMP)-1, MMP-3, MMP-10, and MMP-13. Based on these observations LINC00346 was named p53 regulated carcinoma-associated STAT3-activating long intergenic non-protein coding transcript (PRECSIT). These results identify PRECSIT as a new p53-regulated lncRNA, which promotes progression of cSCC via STAT3 signaling.
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Affiliation(s)
- Minna Piipponen
- Department of Dermatology, University of Turku and Turku University Hospital, Turku, Finland; Cancer Research Laboratory, Western Cancer Centre of the Cancer Center Finland (FICAN West), University of Turku and Turku University Hospital, Turku, Finland; MediCity Research Laboratory, University of Turku, Turku, Finland
| | - Liisa Nissinen
- Department of Dermatology, University of Turku and Turku University Hospital, Turku, Finland; Cancer Research Laboratory, Western Cancer Centre of the Cancer Center Finland (FICAN West), University of Turku and Turku University Hospital, Turku, Finland; MediCity Research Laboratory, University of Turku, Turku, Finland
| | - Pilvi Riihilä
- Department of Dermatology, University of Turku and Turku University Hospital, Turku, Finland; Cancer Research Laboratory, Western Cancer Centre of the Cancer Center Finland (FICAN West), University of Turku and Turku University Hospital, Turku, Finland; MediCity Research Laboratory, University of Turku, Turku, Finland
| | - Mehdi Farshchian
- Department of Dermatology, University of Turku and Turku University Hospital, Turku, Finland; MediCity Research Laboratory, University of Turku, Turku, Finland
| | - Markku Kallajoki
- Department of Pathology, University of Turku and Turku University Hospital, Turku, Finland
| | - Juha Peltonen
- Department of Cell Biology and Anatomy, University of Turku, Turku, Finland
| | - Sirkku Peltonen
- Department of Dermatology, University of Turku and Turku University Hospital, Turku, Finland
| | - Veli-Matti Kähäri
- Department of Dermatology, University of Turku and Turku University Hospital, Turku, Finland; Cancer Research Laboratory, Western Cancer Centre of the Cancer Center Finland (FICAN West), University of Turku and Turku University Hospital, Turku, Finland; MediCity Research Laboratory, University of Turku, Turku, Finland.
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26
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Yang Y, Zhang F, Huang H, Xie Z, Huang W, Xie H, Wang F. Long noncoding RNA LINC00319 regulates ROMO1 expression and promotes bladder cancer progression via miR‐4492/ROMO1 axis. J Cell Physiol 2019; 235:3768-3775. [PMID: 31608995 DOI: 10.1002/jcp.29271] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Accepted: 09/27/2019] [Indexed: 12/30/2022]
Affiliation(s)
- Yu Yang
- Department of Urology First Affiliated Hospital of Wenzhou Medical University Wenzhou China
| | - Fangyi Zhang
- Department of Urology First Affiliated Hospital of Wenzhou Medical University Wenzhou China
| | - Hang Huang
- Department of Urology First Affiliated Hospital of Wenzhou Medical University Wenzhou China
| | - Zhiyue Xie
- First Clinical College Southern Medical University Guangzhou China
| | - Weiping Huang
- Department of Urology First Affiliated Hospital of Wenzhou Medical University Wenzhou China
| | - Hui Xie
- Department of Urology First Affiliated Hospital of Wenzhou Medical University Wenzhou China
| | - Feng Wang
- Department of Urology First Affiliated Hospital of Wenzhou Medical University Wenzhou China
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27
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Li Q, Wu Q, Li Z, Hu Y, Zhou F, Zhai Z, Yue S, Tian H. LncRNA LINC00319 is associated with tumorigenesis and poor prognosis in glioma. Eur J Pharmacol 2019; 861:172556. [PMID: 31325436 DOI: 10.1016/j.ejphar.2019.172556] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Revised: 07/16/2019] [Accepted: 07/17/2019] [Indexed: 12/27/2022]
Abstract
Glioma is one of the most universally diagnosed malignant tumors in the central nervous system with high mortality and morbidity in the world. Long non-coding long intergenic non-protein coding RNA 319 (LINC00319) exerts promoting function in diverse range of human carcinomas, but its detailed role in glioma remains to be investigated. This study aimed to investigate the potential role and regulatory mechanism of LINC00319 and also its clinical value in glioma. In our study, LINC00319 was expressed at high levels in glioma and closely associated with poor prognosis of patients with glioma, whose knockdown impaired cell proliferation, arrested cell cycle and induced cell apoptosis of glioma. In addition, high expression of high mobility group AT-hook 2 (HMGA2) was found in glioma which was also in positive relation to LINC00319 expression. Moreover, LINC00319 directly bound to TATA-box binding protein associated factor 1 (TAF1) and further regulated HMGA2. Finally, rescue assays verified that LIN00319 modulated the tumorigenesis of glioma by regulating HMGA2. The present research elucidated the function role and underlying mechanism of LINC00319 in glioma and exposed a new insight into the molecular-targeted therapy for glioma.
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Affiliation(s)
- Qiang Li
- Department of Radiology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, 453100, China
| | - Qingwu Wu
- Department of Radiology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, 453100, China
| | - Zheng Li
- Department of Radiology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, 453100, China
| | - Ying Hu
- Department of Radiology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, 453100, China
| | - Fengmei Zhou
- Magnetic Resonance Imagine Department, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, 453100, China
| | - Zhansheng Zhai
- Magnetic Resonance Imagine Department, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, 453100, China
| | - Shuangzhu Yue
- Dpartment of Neurosurgery, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, 453100, China
| | - Hongzhe Tian
- Department of Radiology, Baoji Central Hospital, Baoji, Shaanxi, 721008, China.
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Zhang Y, Huang Z, Sheng F, Yin Z. MYC upregulated LINC00319 promotes human acute myeloid leukemia (AML) cells growth through stabilizing SIRT6. Biochem Biophys Res Commun 2018; 509:314-321. [PMID: 30587342 DOI: 10.1016/j.bbrc.2018.12.133] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 12/18/2018] [Indexed: 02/07/2023]
Abstract
Long non-coding RNAs (lncRNAs) have been identified by accumulating studies as critical regulator in tumorigenesis and tumor development in human cancers, including in acute myeloid leukemia (AML). This study investigated the function and the underlying mechanism of LINC00319 in AML progression. Firstly, the low expression level of LINC00319 in whole blood of healthy individuals was obtained from UCSC, and its upregulation was detected in AML patients as well as AML cell lines. Besides, the prognostic significance of LINC00319 was revealed in AML patients. Functionally, the loss-of-function assays revealed that LINC00319 silence restrained proliferation but stimulated apoptosis in AML cells. Furthermore, LINC00319 expression was demonstrated proportional to MYC level in AML samples and transcriptionally regulated by MYC. Mechanistically, we identified FUS as a shared RNA binding protein (RBP) interacting with both LINC00319 and SIRT6. And LINC00319 regulated SIRT6 expression at post-transcriptional level through FUS-dependent pathway. Last but not least, SIRT6 overexpression rescued the suppressive effect of LINC00319 knockdown on AML cells growth. Overall, our findings unveiled that LINC00319 contributed to AML leukemogenesis via elevating SIRT6 expression, indicating a possible molecular target of LINC00319 for AML treatment.
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Affiliation(s)
- Yanni Zhang
- Department of Neonatal Department, Ankang Maternal and Child Health Hospital, Ankang, Shaanxi, 725000, China
| | - Zongxuan Huang
- Department of Paediatrics, Affiliated Hospital of JiNing Medical Universrty, Jining, Shandong, 272029, China
| | - Fen Sheng
- Department of Intensive Care Unit, First People's Hospital of Jining City, Shandong Province, Jining, Shandong, 272000, China
| | - Zhaoyang Yin
- Department of Pediatrics, Central Hospital of Shangluo City, Shanxi province, 726000, China.
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29
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Du W, Feng Z, Sun Q. LncRNA LINC00319 accelerates ovarian cancer progression through miR-423-5p/NACC1 pathway. Biochem Biophys Res Commun 2018; 507:198-202. [PMID: 30442370 DOI: 10.1016/j.bbrc.2018.11.006] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 11/02/2018] [Indexed: 12/12/2022]
Abstract
Long noncoding RNA (lncRNA) LINC00319 has been reported to promote carcinogenesis of lung cancer and cutaneous squamous cell carcinoma. However, the role and mechanism of LINC00319 in ovarian cancer progression is unclear. In this study, LINC00319 expression was found to be upregulated in ovarian cancer tissues and cell lines. And our evidence showed that LINC00319 could be a potential prognostic biomarker for patients with ovarian cancer. Cell Counting Kit-8 (CCK-8), colony formation and transwell assays indicated that LINC00319 upregulation promoted proliferation, migration and invasion of ovarian cancer cells. Bioinformatics analysis and luciferase reporter assay revealed that LINC00319 worked as the sponge for miR-423-5p. Furthermore, miR-423-5p directly targeted NACC1. qRT-PCR and western blot results demonstrated that LINC00319 upregulates NACC1 expression through inhibiting miR-423-5p in ovarian cancer cells. Moreover, we observed an inverse expression correlation between miR-423-5p and LINC00319 or between miR-423-5p and NACC1 in ovarian cancer tissues. Finally, rescue assay showed that NACC1 restoration rescued the potentials of proliferation, migration and invasion in LINC00319-depleted ovarian cancer cells. In conclusion, our findings demonstrated that LINC00319 promotes ovarian cancer progression through upregulating NACC1 expression by restraining miR-423-5p.
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Affiliation(s)
- Wenling Du
- Department of Gynaecology and Obstetrics, Wenzhou Central Hospital, Wenzhou, Zhejiang, 325000, China
| | - Zejiao Feng
- Department of Gynaecology and Obstetrics, Wenzhou Central Hospital, Wenzhou, Zhejiang, 325000, China
| | - Qinqin Sun
- Department of Gynaecology and Obstetrics, Wenzhou Central Hospital, Wenzhou, Zhejiang, 325000, China.
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