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Logo of bmcimmBioMed Centralsearchsubmit a manuscriptregisterthis articleBMC Immunology
BMC Immunol. 2012; 13: 28.
Published online Jun 6, 2012. doi:  10.1186/1471-2172-13-28
PMCID: PMC3459731
Significance of decoy receptor 3 (Dcr3) and external-signal regulated kinase 1/2 (Erk1/2) in gastric cancer
Donghai Yang,#1,2 Xin Fan,#1 Ping Yin,1 Qiang Wen,1 Feng Yan,1 Sibo Yuan,2 Bin Liu,1 Guohong Zhuang,corresponding author1 and Zhongchen Liucorresponding author2
1Anti-Cancer Research Center, Medical College, Xiamen University, Xiamen, China
2Zhongshan Hospital, Xiamen University, Xiamen, China
corresponding authorCorresponding author.
#Contributed equally.
Donghai Yang: donghai19/at/; Xin Fan: 250165096/at/; Ping Yin: yinping/at/; Qiang Wen: wq_zero/at/; Feng Yan: yanfeng/at/; Sibo Yuan: yuansibo/at/; Bin Liu: binbinyouli689/at/; Guohong Zhuang: zhuangguohong/at/; Zhongchen Liu:
Received November 4, 2011; Accepted May 18, 2012.
Decoy receptor 3 (DcR3), a member of the tumor necrosis factor receptor (TNFR) superfamily, is associated with anti-tumor immunity suppression. It is highly expressed in many tumors, and its expression can be regulated by the MAPK/MEK/ERK signaling pathway. The MAPK/MEK/ERK pathway has been reported to be a regulator in tumor occurrence, development and clonal expansion. External-signal regulated kinase (ERK) is a vital member of this pathway.
The expression of DcR3 and ERK1/2 in tumor tissues of gastric cancer patients was significantly higher than the non-cancerous group (P < 0.05). There was no statistical difference among tumor tissues from patients with different ages or gender, and even of different differentiation (P > 0.05). However, in patients with stage I gastric cancer, the DcR3 and ERK1/2 levels were significantly lower than patients with more advanced stages.
DcR3 and ERK1/2 play a vital role in the development of gastric cancer, and they may be new markers for indicating the efficiency of gastric cancer treatment in the future.
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