Protein profiling of alpha-fetoprotein producing gastric adenocarcinoma.
Protein profiling of alpha-fetoprotein producing gastric adenocarcinoma.
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产生甲胎蛋白的胃腺癌的蛋白质分析
DOI:
10.18632/oncotarget.8571
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发表时间:
2016-05-10
期刊:
影响因子:
--
通讯作者:
Zhang DY
中科院分区:
文献类型:
--
作者:
He L;Ye F;Qu L;Wang D;Cui M;Wei C;Xing Y;Lee P;Suo J;Zhang DY
Alpha-fetoprotein (AFP) producing gastric adenocarcinoma is considered as a rare subtype of gastric adenocarcinoma. Compared with AFP non-producing gastric adenocarcinoma, our study and other previous studies showed that AFP producing gastric adenocarcinoma is more aggressive and prone to liver metastasis. Using the Protein Pathway Array, 11 of out of 286 proteins tested were found to be differentially expressed between AFP producing (n=32) and AFP non-producing (n=45) gastric adenocarcinoma tissues. In addition, the high level expression of XIAP and IGF-Irβ in gastric adenocarcinoma tissues was independent factors for poor prognosis in AFP producing gastric adenocarcinoma patients. A risk model based on the XIAP and IGF-Irβ expression levels can separate AFP producing gastric adenocarcinoma patients into 2 subgroups and each subgroup had a distinct set of signaling pathways involved. In conclusion, AFP producing gastric adenocarcinoma is a heterogeneous cancer with different clinical outcomes, biological behaviors and underlying molecular alterations.
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