Elf3 Overexpression As Prognostic Biomarker For Recurrence Of Stage Ii Colorectal Cancer
IN VIVO(2021)
摘要
Background/Aim: Adjuvant chemotherapy for high-risk Stage II colorectal cancer (CRC) is weakly recommended; however, no consensus exists on "high-risk" definition. Prognostic biomarker identification is important for selecting patients with poor prognosis who may benefit from adjuvant chemotherapy. Materials and Methods: Using Microarray data analyses, ELF3 was identified as a candidate gene highly expressed in Stage II CRC with distant recurrences. ELF3 mRNA expression in 168 Stage II CRC patients was subjected to quantitative RT-PCR analysis and ELF3 protein expression in 185 patients was quantified by immunohistochemical analysis. The relationship between mRNA and protein expression levels and patient characteristics were also investigated. Results: The overall recurrence rate and relapse-free survival were significantly poorer in the ELF3 high-expression than the low-expression group at the mRNA and protein levels. High ELF3 mRNA and protein expression levels were independent poor prognostic factors. Conclusion: High ELF3 expression was associated with recurrence of Stage II.
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关键词
Stage II colorectal cancer, biomarker, prognostic marker, ELF3, microarray analysis
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