LINC00963 May Be Associated with a Poor Prognosis in Patients with Cervical Cancer
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BACKGROUND Recently, the upregulation of LINC00963 expression has been reported in various cancer subtypes. LINC00963 expression can promote cancer cell invasion and metastasis. However, the clinical significance of LINC00963 in cervical and endocervical cancer (CESC) has remained relatively unexamined. MATERIAL AND METHODS We assessed the mRNA expression of LINC00963 in patients with CESC based on data acquired from The Cancer Genome Atlas (TCGA) to determine pathways involved in CESC pathogenesis with respect to LINC00963. We included 3 normal and 304 tumor samples in this study. RESULTS The scatter plot and paired plot showed differences in LINC00963 expression between normal and tumor samples (P<0.01). Overall survival (OS) analysis revealed that CESC patients with high expression of LINC00963 demonstrated worse prognosis than CESC patients with low expression of LINC00963 (P<0.01). Multivariate analysis with the Cox proportional hazards model indicated that the expression of LINC00963 (HR 0.297; 95% CI 0.115-0.776; P=0.012) and primary therapy outcome (HR 0.162; 95% CI 0.059-0.446; P=0.001) were independent prognostic factors for patients with CESC. GSEA results showed that reactome biological oxidations, inflammasomes, apoptosis, toll-like receptor signaling pathway, JAK/STAT signaling pathway, and NF-kappaB activation were differentially enriched in CESC samples with the high LINC00963 expression phenotype. CONCLUSIONS Our results confirmed the association of significantly high levels of LINC00963 expression in CESC with several observed clinical features. LINC00963 may be a potentially useful prognostic molecular biomarker associated with poor survival in patients with CESC.