VASN promotes colorectal cancer progression by activating the YAP/TAZ and AKT signaling pathways via YAP

Colorectal cancer (CRC) is one of the most common gastrointestinal malignancies. Vasorin (VASN) has been reported to be critical in tumor development and angiogenesis. However, VASN has not been reported in CRC, and its role is unclear. In this study, VASN expression is upregulated in CRC compared w...

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Published in:The FASEB journal 2023-01, Vol.37 (1), p.e22688-n/a
Main Authors: Liang, Weiye, Zuo, Jia, Liu, Mingkai, Su, Yuling, Guo, Baoyin, Hou, Jiangtao, Xing, Qi, Peng, Yinglong, Fang, Lian, Cao, Yihui, Shan, Jiajie, Sun, Ruixia, Zhao, Jie, Wang, Jian
Format: Article
Language:English
Subjects:
AKT
Carrier Proteins
colorectal cancer
Colorectal Neoplasms - genetics
Humans
invasion
Membrane Proteins
migration
Oncogenes
Phosphatidylinositol 3-Kinases
proliferation
Proto-Oncogene Proteins c-akt
Signal Transduction
TAZ
VASN
YAP
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Summary:Colorectal cancer (CRC) is one of the most common gastrointestinal malignancies. Vasorin (VASN) has been reported to be critical in tumor development and angiogenesis. However, VASN has not been reported in CRC, and its role is unclear. In this study, VASN expression is upregulated in CRC compared with the normal tissues, and VASN expression positively correlates with N stage and poor overall survival by analysis of different datasets and 32 CRC clinicopathologic samples. Overexpression of VASN significantly promotes CRC cell progression, including proliferation, migration, invasion, and epithelial‐mesenchymal transition (EMT), while knockdown of VASN inhibits CRC progression. We found that VASN was associated with the YAP/TAZ and PI3K/AKT pathways by gene set enrichment analysis (GSEA) and gene ontology (GO) analysis. Notably, western blotting, immunofluorescence staining and co‐immunofluorescence (co‐IP) confirmed that VASN could interact with YAP and activate the YAP/TAZ and PTEN/PI3K/AKT pathways, and knockdown of YAP reversed this effect. Importantly, our findings indicate that VASN interacts with YAP to inhibit YAP phosphorylation and stimulates CRC proliferation, migration, and invasion through activation of the YAP/TAZ‐TEAD target gene CTGF and PTEN/PI3K/AKT pathways. Our results also show that knockdown of YAP reverses the cellular phenotype induced by increased VASN. In conclusion, our study reveals that VASN acts as an oncogene to stimulate tumor progression in CRC, providing new insights into the molecular mechanisms of CRC development and representing a possible novel biomarker for CRC.
ISSN:0892-6638
1530-6860
DOI:10.1096/fj.202201181R