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- Title
LINC00525 promotes tumour growth and epithelial‐mesenchymal transition as an oncogene in oral squamous cell carcinoma.
- Authors
Du, Juan; Su, Wenjing; Li, Xiaoguang; Zu, Tingjian; Bai, Jinbo; Zhang, Weidong; Zhou, Wei
- Abstract
Objective: Oral squamous cell carcinoma (OSCC) is the most common malignant tumour in the oral cavity. OSCC is aggressive and prone to metastasis; it is associated with high mortality and short survival. In this study, we investigated the function of the long non‐coding RNA LINC00525 in OSCC progression and the molecular mechanisms through in vitro and in vivo experiments. Materials and Methods: CCK8 assay was used to detect the effect of LINC00525 on cell viability; transwell migration and invasion assays and scratch assay were used to examine the role of LINC00525 in cell migration and invasion. Flow cytometry, RT‐PCR and western blot were used to detect apoptosis indexes. Tumorigenic effects were investigated using mouse xenograft tumour models. Results: LINC00525 was associated with OSCC survival and prognosis. LINC00525 knockdown decreased cell viability and epithelial‐mesenchymal transition (EMT) properties and increased apoptosis and also shortened the cell cycle of OSCC cells in vitro. The downregulation of LINC00525 reduced the growth of OSCC tumour in vivo. LINC00525 can regulate OSCC cells via the apoptotic signalling pathway. Conclusion: Our results indicate that LINC00525 exhibits oncogenic functions in OSCC. LINC00525 may be a new promising and potential target for the treatment of OSCC.
- Subjects
SQUAMOUS cell carcinoma; IN vitro studies; CELL migration; FLOW cytometry; BIOLOGICAL models; EPITHELIAL-mesenchymal transition; MOUTH tumors; CANCER invasiveness; PHENOMENOLOGICAL biology; RESEARCH funding; APOPTOSIS; IN vivo studies; REVERSE transcriptase polymerase chain reaction; XENOGRAFTS; CELL cycle; BIOCHEMISTRY; CELLULAR signal transduction; DESCRIPTIVE statistics; RNA; MICE; ONCOGENES; ANIMAL experimentation; MICROBIOLOGICAL assay; WESTERN immunoblotting; MOLECULAR biology; CELL survival; DISEASE risk factors
- Publication
Oral Diseases, 2024, Vol 30, Issue 4, p2051
- ISSN
1354-523X
- Publication type
Article
- DOI
10.1111/odi.14613