Abstract
Radiotherapy and chemotherapy have improved the 5-year survival rate of nasopharyngeal carcinoma (NPC) patients, but the side effects generally lead to unsatisfactory clinical efficacy. It's imperative to explore the pathogenesis of NPC to find better diagnostic and therapeutic methods. Small nucleolar RNA host genes (SNHGs) are special lncRNAs, which can be further spliced to produce small nucleolar RNAs (snoRNAs). SNHG1 has been found to be associated with various cancers. However, only a few studies reported the relationship between SNHG1 and NPC. This study first analyzed the diagnostic performance and related signaling pathways of SNHG1 in NPC through bioinformatics. The expression of SNHG1 was verified by RT-qPCR, and the expression of the signaling pathway was detected using immunohistochemistry. Bioinformatics analysis results showed that SNHG1 was significantly overexpressed in head and neck squamous cell carcinoma (HNSC) and NPC tissues. RT-qPCR detection confirmed the significant overexpression of SNHG1 in NPC tissues. Enrichment analysis showed that SNHG1 may act on NPC through the PI3K-AKT signaling pathway. Immunohistochemistry experiment revealed PI3K-AKT signaling pathway proteins (PI3K AKT and EGFR) positively expressed and CASP3 weakly positively expressed in NPC tissues. Therefore, we concluded that SNHG1 is a prospective biomarker and may act on NPC through the PI3K-AKT signaling pathway.
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