Epstein-Barr virus latent membrane protein 2A mediated activation of Sonic Hedgehog pathway induces HLA class Ia downregulation in gastric cancer cells

被引：26
|
作者：
Pal, Anindita Deb [1 ]
Banerjee, Subrata [1 ]
机构：
[1] Saha Inst Nucl Phys, Biophys & Struct Genom Div, Kolkata 700064, W Bengal, India
来源：
VIROLOGY | 2015年 / 484卷
关键词：
Epstein Barr Virus; Gastric Cancer; LMP2A; Human Leukocyte Antigen; Sonic Hedgehog pathway; Gli1; MHC CLASS-I; EXPRESSION; RESISTANCE; INDUCTION; MIGRATION; LYMPHOMA; EPITOPES; IMMUNITY; AKT;
D O I：
10.1016/j.virol.2015.05.007
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
One of the immune evasion strategies manifested by malignant cells is the downregulation of the Human Leukocyte Antigen (HLA). HLA Class I (HLA- A, -B, -C) present endogenous peptides including viral and tumor antigens to cytotoxic T lymphocytes for immune mediated destruction. We have found the Epstein Barr Virus (EBV) Latent Membrane Protein 2A (LMP2A) to be responsible for this HLA downregulation in gastric cancer cells. Our results further indicate the Sonic Hedgehog pathway; primarily Gli1 to bring about the LMP2A mediated decrease in HLA expression. (C) 2015 Elsevier Inc. All rights reserved.
引用
收藏
页码：22 / 32
页数：11
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