文献引用产品|人咽鳞癌细胞FaDu

影响因子：8.593

期刊：Experimental Hematology & Oncology

作者列表：Guo Yu-qing, Wang Qiang, Wang Jun-guo, Gu Ya-jun, Song Pan-pan, Wang Shou-yu, Qian Xiao-yun, Gao Xia

发表时间：2022-3-14

DOI:10.1186/s40164-022-00256-3

主要研究成果：Background

N6-methyladenosine (m6A) RNA methylation and its methyltransferase METTL3 have been widely reported to be involved in different cancers by regulating RNA metabolism and function. Here, we aimed to explore the biological function and clinical significance of m6A modification and METTL3 in head and neck squamous cell carcinoma (HNSCC).

 

Methods

The prognostic value of METTL3 expression was evaluated using tissue microarray and immunohistochemical staining analyses in a human HNSCC cohort. The biological role and mechanism of METTL3 in HNSCC tumour growth, metastasis and angiogenesis were determined in vitro and in vivo.

 

Results

M6A levels and METTL3 expressions in HNSCC tissues were significantly increased compared with paired adjacent tissues. Meanwhile, METTL3 was an independent risk factor for the prognosis of HNSCC patients. Moreover, METTL3 overexpression promoted HNSCC cell proliferation, migration, invasion, and angiogenesis, while knockdown of METTL3 had an opposite effect in vivo and in vitro. Mechanistically, METTL3 enhanced the m6A modification of CDC25B mRNA, which maintained its stability and upregulated its expression, thereby activating G2/M phase of cell cycle and leading to HNSCC malignant progression.

 

Conclusions

METTL3 may be a potential prognostic biomarker and therapeutic target for HNSCC.

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论文网址：https://ehoonline.biomedcentral.com/articles/10.1186/s40164-022-00256-3