Cell division cycle associated 5 promotes colorectal cancer progression by activating the ERK signaling pathway

Oncogenesis
Aling ShenJun Peng

Abstract

Cell division cycle associated 5 (CDCA5) is implicated in the development and progression of a variety of human cancers. Functional significance of CDCA5 in colorectal cancer (CRC), however, has not been investigated. Using a combination of on-line data mining, biochemistry, and molecular biology, we examined the potential oncogenic activity of CDCA5 and the underlying mechanisms. Experiments with human tissue sample showed increased CDCA5 expression in CRC vs. in noncancerous adjacent tissue, and association of CDCA5 upregulation in CRC tissues with shorter patient survival. Also, representative CRC cell-lines had higher CDCA5 expression vs. fetal colonic mucosal cells. CDCA5 knockdown using lentivirus-mediated shRNA inhibited the proliferation and induced apoptosis in cultured HCT116 and HT-29 cells, and suppressed the growth of xenograft in nude mice. CDCA5 knockdown decreased the expression of CDK1 and CyclinB1, increased caspase-3 activity, cleaved PARP and the Bax/Bcl-2 ratio. CDCA5 knockdown also significantly decreased phosphorylation of ERK1/2 and expression of c-jun. Taken together, these findings suggest a significant role in CRC progression of CRC, likely by activating the ERK signaling pathway.

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Citations

Jul 18, 2019·Molecular Carcinogenesis·Hao ZhengWei-Ping Zhou
Feb 2, 2021·Evidence-based Complementary and Alternative Medicine : ECAM·Su Yeon KimSang Hyun Moh
Nov 16, 2020·Immunity, Inflammation and Disease·Kang LinZhengming Zhu

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Datasets Mentioned

BETA
GSE24551

Methods Mentioned

BETA
ubiquitination
xenograft
chips
FACS
flow cytometry
electrophoresis

Software Mentioned

ImageLab
SPSS
R2

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