FOXH1 promotes lung cancer progression by activating the Wnt/β-catenin signaling pathway

被引:16
作者
Zhang, Jun [1 ,2 ]
Zhang, Xian [3 ]
Yang, Shasha [1 ]
Bao, Yanqiu [4 ]
Xu, Dongyuan [1 ]
Liu, Lan [4 ]
机构
[1] Yanbian Univ, Dept Morphol Expt Ctr, Med Coll, Yanji 133000, Jilin, Peoples R China
[2] Jilin Med Univ, Dept Histol & Embryol, Jilin 132013, Jilin, Peoples R China
[3] Yanbian Univ, Dept Gen Surg, Affiliated Hosp, Yanji 133000, Jilin, Peoples R China
[4] Yanbian Univ, Dept Pathol, Affiliated Hosp, Yanji 133000, Jilin, Peoples R China
基金
中国国家自然科学基金;
关键词
FOXH1; Lung cancer; Proliferation; EMT; beta-catenin; EPITHELIAL-MESENCHYMAL TRANSITION; BETA-CATENIN; CELL; CARCINOMA;
D O I
10.1186/s12935-021-01995-9
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
BackgroundThe expression of forkhead box protein H1 (FOXH1) is frequently upregulated in various cancers. However, the molecular mechanisms underlying the association between FOXH1 expression and lung cancer progression still remain poorly understood. Thus, the main objective of this study is to explore the role of FOXH1 in lung cancer.MethodsThe Cancer Genome Atlas dataset was used to investigate FOXH1 expression in lung cancer tissues, and the Kaplan-Meier plotter dataset was used to determine the role of FOXH1 in patient prognosis. A549 and PC9 cells were transfected with short hairpin RNA targeting FOXH1 mRNA. The Cell Counting Kit-8, colony formation, soft agar, wound healing, transwell invasion and flow cytometry assays were performed to evaluate proliferation, migration and invasion of lung cancer cells. Tumorigenicity was examined in a BALB/c nude mice model. Western blot analysis was performed to assess the molecular mechanisms, and beta -catenin activity was measured by a luciferase reporter system assay.ResultsHigher expression level of FOXH1 was observed in tumor tissue than in normal tissue, and this was associated with poor overall survival. Knockdown of FOXH1 significantly inhibited lung cancer cell proliferation, migration, invasion, and cycle. In addition, the mouse xenograft model showed that knockdown of FOXH1 suppressed tumor growth in vivo. Further experiments revealed that FOXH1 depletion inhibited the epithelial-mesenchymal transition of lung cancer cells by downregulating the expression of mesenchymal markers (Snail, Slug, matrix metalloproteinase-2, N-cadherin, and Vimentin) and upregulating the expression of an epithelial marker (E-cadherin). Moreover, knockdown of FOXH1 significantly downregulated the activity of beta -catenin and its downstream targets, p-GSK-3 beta and cyclin D1.ConclusionFOXH1 exerts oncogenic functions in lung cancer through regulation of the Wnt/beta -catenin signaling pathway. FOXH1 might be a potential therapeutic target for patients with certain types of lung cancer.
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页数:13
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