Evi-1 Influence on Clinical Progress of Colorectal Cancer Patients.

OBJECTIVE:Aim of this study is to assess effects of Evi-1 on regulation of c-Jun N-terminal kinase (JNK)/c-Jun pathway on colorectal cancer and the relationship of their expression with clinicopathological characteristics and prognosis. METHODS:The clinical data of 394 CRC patients and the mRNA expression of Evi-1 were downloaded from The Cancer Genome Atlas (TCGA). Immunohistochemical (IHC) method was used to detect the protein expression of Evi-1, JNK and c-Jun in CRC tissues and adjacent normal tissues. RESULTS:The TCGA dataset demonstrated that Evi-1 mRNA was upregulated in CRC. Evi-1 mRNA expression was significantly correlated with lymphatic metastasis, T stage, distant metastasis and TNM stage. IHC staining showed that Remmele immunoreactive (IRS) of Evi-1, JNK and c-Jun were highly expressed in CRC tissues compared with normal tissues adjacent to cancer. Evi-1 in CRC tissues was negatively correlated with JNK and c-Jun. Overexpression of Evi-1, JNK and c-Jun was significantly correlated with the degree of differentiation, T staging, lymphatic metastasis, distant metastasis and TNM classification. CONCLUSION:The present study shows that Evi-1 expression is negatively correlated with JNK and c-Jun expression, and closely related to some clinical data. Further, Evi-1 combined with JNK and c-Jun can be used for adverse prognosis of CRC.

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