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Expression and mechanism of long non-coding RNA HCG22 in oral squamous cell carcinoma / 华西口腔医学杂志
West China Journal of Stomatology ; (6): 658-666, 2021.
Article in English | WPRIM | ID: wpr-921388
ABSTRACT
OBJECTIVES@#To investigate the expression and mechanism of the long non-coding RNA (lncRNA) HCG22 in oral squamous cell carcinoma (OSCC).@*METHODS@#HCG22 levels were detected in the OSCC and adjacent tissues, OSCC cells, and normal oral keratinocytes. HCG22 expression in SCC-25 and HSC-3 cells was upregulated by transfection of the overexpressing plasmi dvector. Methyl thiazolyl tetrazolium (MTT) assay, flow cytometry, and Transwell assay were employed to detect changes in cell proliferation, apoptosis, migration, and invasion ability, while Western blotting was used to detect the expression of epithelial-mesenchymal transformation-related proteins. The expression level of miR-650 in the cells was detected by real-time quantitative polymerase chain reaction (RT-qPCR), and dual-luciferase reporter gene assay was applied to assess the targeting relationship between HCG22 and miR-650.@*RESULTS@#Compared with that in adjacent tissues, the expression of HCG22 significantly decreased in OSCC tissues (@*CONCLUSIONS@#HCG22 is expressed at low levels in OSCC. Upregulation of the expression of this lncRNA can inhibit the proliferation, migration, invasion, and epithelial-mesenchymal transition of OSCC cells. The mechanism of action of HCG22 may be related to its targeted regulation of miR-650.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Mouth Neoplasms / Carcinoma, Squamous Cell / Gene Expression Regulation, Neoplastic / Cell Movement / MicroRNAs / Cell Line, Tumor / Cell Proliferation / RNA, Long Noncoding / Squamous Cell Carcinoma of Head and Neck / Head and Neck Neoplasms Limits: Humans Language: English Journal: West China Journal of Stomatology Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Mouth Neoplasms / Carcinoma, Squamous Cell / Gene Expression Regulation, Neoplastic / Cell Movement / MicroRNAs / Cell Line, Tumor / Cell Proliferation / RNA, Long Noncoding / Squamous Cell Carcinoma of Head and Neck / Head and Neck Neoplasms Limits: Humans Language: English Journal: West China Journal of Stomatology Year: 2021 Type: Article