Abstract
Lung squamous cell carcinoma (LUSC) is one subtype of non-small-cell lung cancer, whose pathogenesis has not been fully understood. Exploring molecular mechanisms of LUSC helps a lot with the development of LUSC novel therapy. Hence, our study aims to investigate novel molecular mechanisms. Differentially expressed miRNAs and mRNAs were acquired from The Cancer Genome Atlas database. A series of assays were applied to test cell functions, including qRT-PCR to analyze RND1 and miR-4652-5p expression, dual-luciferase reporter gene assay to verify the targeting relationship between these two genes, cell counting kit-8 and colony formation assays to evaluate the ability of LUSC cells to proliferate, transwell to examine the migratory and invasive abilities, and western blot to test expression of RND1 and cell adhesion-related proteins. RND1 was lowly expressed while miR-4652-5p was highly expressed in LUSC cells. The correlation between these two genes was significantly negative and miR-4652-5p could downregulate RND1 expression. Additionally, cellular function assays validated that RND1 suppressed LUSC cells to proliferate, migrate, and invade. Besides, this gene might also affect cell adhesion. Furthermore, rescue assay suggested that miR-4652-5p downregulated RND1 expression to promote the progression of LUSC cells. Together, miR-4652-5p targeted RND1 to modulate cell adhesion and the progression of LUSC cells.
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The data and materials in the current study are available from the corresponding author on reasonable request.
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Y. Z. and S. Y. contributed to the study design. J. Y. and H. C. conducted the literature search. W. Z. and G. X. acquired the data. H. Z. wrote the article. Y. Z. performed the data analysis and drafted. S. Y. revised the article. All the authors gave the final approval of the version to be submitted.
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Zhou, Y., Yan, J., Chen, H. et al. MiR-4652-5p Targets RND1 to Regulate Cell Adhesion and Promote Lung Squamous Cell Carcinoma Progression. Appl Biochem Biotechnol 194, 3031–3043 (2022). https://doi.org/10.1007/s12010-022-03897-6
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DOI: https://doi.org/10.1007/s12010-022-03897-6