detalle del documento
IDENTIFICACIÓN
doi:10.1038/s41419-024-06607-8...
Autor
Wu, Zhen-Hua Wang, Yi-Xuan Song, Jun-Jiao Zhao, Li-Qin Zhai, Yu-Jia Liu, Yan-Fang Guo, Wei-JianLangue
enEditor
Nature
Categoría
Life Sciences
Año
2024
fecha de cotización
3/4/2024
Palabras clave
metabolism expression metastasis c-myc loop lncrnas translation cancerResumen
Metastasis is a bottleneck in cancer treatment.
Studies have shown the pivotal roles of long noncoding RNAs (lncRNAs) in regulating cancer metastasis; however, our understanding of lncRNAs in gastric cancer (GC) remains limited.
RNA-seq was performed on metastasis-inclined GC tissues to uncover metastasis-associated lncRNAs, revealing upregulated small nucleolar RNA host gene 26 (SNHG26) expression, which predicted poor GC patient prognosis.
Functional experiments revealed that SNHG26 promoted cellular epithelial–mesenchymal transition and proliferation in vitro and in vivo.
Mechanistically, SNHG26 was found to interact with nucleolin (NCL), thereby modulating c-Myc expression by increasing its translation, and in turn promoting energy metabolism via hexokinase 2 (HK2), which facilitates GC malignancy.
The increase in energy metabolism supplies sufficient energy to promote c-Myc translation and expression, forming a positive feedback loop.
In addition, metabolic and translation inhibitors can block this loop, thus inhibiting cell proliferation and mobility, indicating potential therapeutic prospects in GC.
Wu, Zhen-Hua,Wang, Yi-Xuan,Song, Jun-Jiao,Zhao, Li-Qin,Zhai, Yu-Jia,Liu, Yan-Fang,Guo, Wei-Jian, 2024, LncRNA SNHG26 promotes gastric cancer progression and metastasis by inducing c-Myc protein translation and an energy metabolism positive feedback loop, Nature
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