Non-SMC condensin I complex subunit H (NCAPH) is a structural component of chromosomes during mitosis, which up-regulates in various cancers. However, the role of NCAPH in breast cancer still hasn't been clearly explored. Our aim is to confirm the value of NCAPH as a prognostic biomarker of breast cancer. We revealed the high expression of NCAPH in breast cancer by using Oncomine, Ualcan and GOBO analysis. Quantitative Real-time PCR (qRT-PCR) analysis was conducted to detect the mRNA expression of NCAPH in MCF-7 and MCF-10A cells, and thus higher mRNA level of NCAPH in MCF-7 cells was confirmed. STRING and gene enrich analysis were conducted to explore the interaction between NCAPH and other proteins, hence the functionality of NCAPH in mitosis is demonstrated. With Kaplan-Meier plotter we found that upregulation of NCAPH is indicative of a poor prognosis especially in hormone receptor positive breast cancer. We confirmed the potential competence of NCAPH as a promising biomarker in breast cancer prognosis.
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