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eISSN: 1643-3750

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Aminoacylase 1 (ACY-1) Mediates the Proliferation and Migration of Neuroblastoma Cells in Humans Through the ERK/Transforming Growth Factor β (TGF-β) Signaling Pathways

Zimin Chen, Jiahui Gao, Jun Sun, Zhouguang Wu, Bin Wang

(Department of General Surgery, Shenzhen Children’s Hospital, Shenzhen, Guangdong, China (mainland))

Med Sci Monit 2021; 27:e928813

DOI: 10.12659/MSM.928813


BACKGROUND: Aminoacylase 1 (ACY-1) is a cytosolic enzyme that catalyzes amino acid deacylation and has been reported to participate in various human diseases. However, the role and mechanism of ACY-1 in neuroblastoma (NB) are not completely understood. The aim of this study was to elucidate the role of ACY-1 in NB.
MATERIAL AND METHODS: Overexpression and knockdown of ACY-1 in human NB cells were performed, and the transfection efficiency was assessed through fluorescence microscopy, real-time PCR, and western blotting. The effect of ACY-1 on tumorigenesis and metastasis was determined by cell counting, colony formation, wound healing, flow cytometry, and transwell invasion assays in vitro, and the signaling pathway was examined using western blotting.
RESULTS: ACY-1 overexpression inhibited proliferation and induced apoptosis in human NB cells. ACY-1 inhibited the colony formation ability, migration, and invasion of SH-SY5Y cell lines. Moreover, the ERK1/2 and TGF-ß1 signaling pathways were more active when ACY-1 was overexpressed in NB cells. However, the knockdown of ACY-1 in SH-SY5Y cell lines showed the opposite effects.
CONCLUSIONS: ACY-1 regulates the proliferation, migration, and invasion of human NB cells through the ERK1/2 and TGF-ß1 signaling pathways, implying that ACY-1 may serve as a therapeutic target for patients with NB.

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