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The influence of infectious factors on dendritic cell apoptosis
 
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Submission date: 2013-04-08
 
 
Final revision date: 2013-10-01
 
 
Acceptance date: 2013-10-02
 
 
Online publication date: 2015-10-12
 
 
Publication date: 2015-10-31
 
 
Arch Med Sci 2015;11(5):1044-1051
 
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ABSTRACT
Pathogens can have a negative influence on dendritic cells (DCs), causing their apoptosis, which prevents active presentation of foreign antigens. It results in a state of immunosuppression which makes the body susceptible to secondary infections. Infected immature DCs have lower expression of co-stimulatory and adhesion molecules, reduced ability to secrete cytokines and an inhibited maturation process and are incapable of effective antigen presentation and activation of T-lymphocytes. In some cases, the ability of DCs to undergo rapid apoptosis is important for the body defense, which is probably because of DCs’ ability to cross-present and cooperate with other cells. Apoptotic bodies released from the infected DCs are phagocytosed by other DCs, which then stimulate the effector cells and present antigens more efficiently than infected cells. The aim of this article is to review how the DCs respond to viral and bacterial factors and which biochemical mechanisms are responsible for their apoptosis.
eISSN:1896-9151
ISSN:1734-1922
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