Mucin 2 silencing promotes colon cancer metastasis through interleukin-6 signaling

doi:10.1038/s41598-017-04952-7

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標題:	Mucin 2 silencing promotes colon cancer metastasis through interleukin-6 signaling
作者:	Hsu, Hui-Ping Lai, Ming-Derg Lee, Jenq-Chang Yen, Meng-Chi Weng, Tzu-Yang Chen, Wei-Ching Fang, Jung-Hua Chen, Yi-Ling
貢獻者:	Natl Cheng Kung Univ, Coll Med,Natl Cheng Kung Univ Hosp, Dept Surg Natl Cheng Kung Univ, Coll Med, Dept Biochem & Mol Biol Natl Cheng Kung Univ, Inst Basic Med Sci, Coll Med Kaohsiung Med Univ,Kaohsiung Med Univ Hosp, Dept Emergency Med Natl Cheng Kung Univ, Coll Med, Lab Anim Ctr Chia Nan Univ Pharm & Sci, Dept Senior Citizen Serv Management Chia Nan Univ Pharm & Sci, Senior Citizen Dev Ctr
關鍵字:	Colorectal-Cancer Gene-Expression Gastric-Cancer Cell-Adhesion Oligonucleotide Arrays Poor-Prognosis Animal-Model Serum Levels Carcinoma Tumor
日期:	2017-07-19
上傳時間:	2018-11-30 15:56:44 (UTC+8)
出版者:	Nature Publishing Group
摘要:	Downregulation of Mucin 2 (MUC2) expression is associated with early carcinogenesis events in colon cancer. MUC2 plays a role in the progression of colon cancer, and reduced MUC2 protein expression correlates with increased interleukin-6 (IL-6) expression. However, the interaction between MUC2 and IL-6 in colorectal cancer metastasis remains unclear. We systematically analyzed MUC2 and IL-6 expression and determined the survival of cancer patients with high or low MUC2 and IL-6 expression using the Oncomine and PrognoScan databases, respectively. This analysis identified downregulation of MUC2 and overexpression of IL-6 in colon cancer but not in normal colon tissue, and this expression pattern was correlated with poor survival of colon cancer patients. We examined the effects of MUC2 on colon cancer metastasis and used vector-mediated application of short hairpin RNA (shRNA) to suppress MUC2 expression. MUC2 suppressed the migration of colon cancer cells in vitro and dramatically diminished liver metastases in vivo. Treatment with IL-6 increased signal transducer and activator of transcription 3 (STAT3) phosphorylation, promoted checkpoint kinase 2 (Chk2) activation, attenuated cAMP response element-binding protein (CREB) phosphorylation, and suppressed E-cadherin protein expression in MUC2-silenced HT-29 cancer cells. Most importantly, MUC2 is a potential prognostic indicator for colon cancer.
關聯:	Scientific Reports, v.7, pp.5823
显示于类别:	[高齡福祉養生管理系] 期刊論文

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