The clinicopathological significance of ubiquitin-conjugating enzyme E2C, leucine-rich repeated-containing G protein-coupled receptor, WW domain-containing oxidoreductase, and vasculogenic mimicry in invasive breast carcinoma.
MEDICINE(2019)
摘要
Ubiquitin-conjugating enzyme E2C (UBE2C), a crucial part of the ubiquitin-conjugating enzyme complex, is reported to promote progression of various cancers. Leucine-rich repeated-containing G protein-coupled receptor (LGR5), a biomarker of cancer stem cells, is reported to be responsible for the initiation and progression of cancers. WW domain-containing oxidoreductase (WWOX), a suppressor of tumor, is reported to inhibit initiation and progression of cancers. Vasculogenic mimicry (VM), a new blood supply pattern, is associated with progression of cancers. However, the clinicopathological significance of UBE2C, LGR5, WWOX, and VM in invasive breast carcinoma (IBC) remains elusive. The aim of this study is to investigate the positive rate of UBE2C, LGR5, WWOX, and VM in IBC and their clinical significance. Positive rates of UBE2C, LGR5, WWOX, and VM in 247 whole IBC samples were detected through immunohistochemistry. Patients data (including clinical, demography, follow-up) were collected. Levels of UBE2C, LGR5, VM, and microvessel density (MVD) were significantly higher, and level of WWOX was significantly lower in IBC specimens when compared with normal mammary gland tissues. Levels of UBE2C, LGR5, VM, and MVD were all positively associated with tumor stages, lymph node metastasis (LNM) stages, tumor grades, and tumor-node-metastasis (TNM) stages, and unfavorably with patients' overall survival (OS) and disease-free survival (DFS). Level of WWOX was negatively associated with tumor stages, LNM stages, grades, and TNM stages, and favorably with patients' OS and DFS. Multivariate analysis indicated that levels of UBE2C, LGR5, VM, MVD, and WWOX, as well as TNM stages were independently prognostic factors for OS and DFS in patients with IBC. UBE2C, LGR5, VM, MVD, and WWOX may be considered as promising indicator of IBC prognosis.
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关键词
invasive breast carcinoma,leucine-rich repeated-containing G protein-coupled receptor,microvessel density,ubiquitin-conjugating enzyme E2C,vasculogenic mimicry,WW domain-containing oxidoreductase
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