期刊
ANTI-CANCER DRUGS
卷 32, 期 7, 页码 693-702出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/CAD.0000000000001045
关键词
CANT1; miR-607; EMT; invasion; lung squamous carcinoma; proliferation
Lung squamous carcinoma (LUSC) is a common subtype of non-small cell lung cancer, with rare gene alterations identified. The study found that the elevated levels of CANT1 in LUSC tissues may be related to poor outcomes, and miR-607 could potentially act as an upstream regulator. The data suggests that the miR-607/CANT1 pair may play a vital role in LUSC progression by mediating the epithelial-mesenchymal transition (EMT) process, providing a potential therapeutic target for LUSC.
Lung squamous carcinoma (LUSC) is the second most frequent subtype of non-small cell lung cancer. Rarely gene alterations are identified in LUSC. Therefore, identifying LUSC-related genes to explain the relevant molecular mechanism is urgently needed. A potential biomarker, calcium-activated nucleotidase 1 (CANT1), was elevated in tissues of LUSC patients relative to normal cases based on the TCGA and/or GTEx database. CCK-8 and transwell tests were then implemented to measure the proliferative, invasive and migratory capacities, and showed that knockdown of CANT1 blocked LUSC cells proliferation. miR-607, predicted as an upstream factor for CANT1, was declined in LUSC using TargetScan analysis and luciferase activity test. Low miR-607 expression was related with unfavorable outcomes of LUSC patients. Moreover, miR-607 downregulation elevated cell viability, invasion and migration in LUSC cells, which was antagonized by si-CANT1. GEPIA website was accessed to estimate the relevance between CANT1 and epithelial-mesenchymal transition (EMT)-related positive factors. The protein levels of Fibronectin, Vimentin, Snail and beta-catenin were altered due to the abnormal CANT1 and miR-607 expression. Together, these data unveiled that miR-607/CANT1 pair may exert a vital role in the progression of LUSC through mediating EMT process, which would furnish an available therapeutic therapy for LUSC.
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