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Up-regulation of CYLD enhances Listeria monocytogenes induced apoptosis in THP-1 cells
被引:5
作者:
Xu, Changzhi
[1
]
Yang, Ling
[1
]
Yuan, Yuan
[2
]
Du, Fei
[2
]
Wang, Shumin
[1
]
Wang, Xiangfang
[1
]
Zhu, Lin
[1
]
Zhang, Buchang
[1
]
Weaver, David
[1
]
机构:
[1] Anhui Univ, Inst Hlth Sci, Hefei 230601, Anhui, Peoples R China
[2] Anhui Med Univ, Affiliated Hosp 3, Binhu Hosp, Cent Lab, Hefei 230601, Anhui, Peoples R China
关键词:
Listeria monocytogenes;
CYLD;
Apoptosis;
NF-KAPPA-B;
DEUBIQUITINATING ENZYME;
GENE;
PATHOGENESIS;
INFECTIONS;
ACTIVATION;
EXPRESSION;
RESPONSES;
BACTERIAL;
MICE;
D O I:
10.1016/j.micpath.2015.10.007
中图分类号:
R392 [医学免疫学];
Q939.91 [免疫学];
学科分类号:
100102 ;
摘要:
Listeria monocytogenes (Lm), a facultative anaerobic gram-positive bacterium, causes listeriosis. Immune cell apoptosis is considered to be one pathogenic factor for listeriosis. As a deubiquitinase, CYLD is an important regulator both in innate immune response and apoptosis by negatively modulating NF-kappa B pathway. However the role of CYLD in Lm induced apoptosis remains unclear. Here we found that CYLD is significantly up-regulated in macrophages upon its infection. There is a moderate decrease in Lm proliferation and apoptotic cells in siRNA-induced CYLD knockdown THP-1 cells. Thereby CYLD may be involved in cell apoptosis mediated by Lm infection and its proliferation. (C) 2015 Elsevier Ltd. All rights reserved.
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页码:50 / 54
页数:5
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