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'''Immunoevasin''' is a type of [[protein]] produced by certain [[pathogens]] to evade the [[immune system]] of the host organism. These proteins are a key factor in the survival and proliferation of these pathogens within the host.

== Overview ==

Immunoevasins are produced by a variety of pathogens, including [[viruses]], [[bacteria]], and [[parasites]]. They function by interfering with the host's immune response, allowing the pathogen to avoid detection and destruction. This can be achieved in a number of ways, such as by inhibiting the function of [[immune cells]], altering the presentation of [[antigens]], or modulating the production of [[cytokines]].

== Mechanisms of Action ==

=== Inhibition of Immune Cells ===

Some immunoevasins work by directly inhibiting the function of immune cells. For example, they may bind to [[receptors]] on the surface of these cells, preventing them from recognizing and responding to the presence of the pathogen.

=== Alteration of Antigen Presentation ===

Other immunoevasins alter the way antigens are presented to the immune system. They may interfere with the process of [[antigen processing]] and presentation, making it more difficult for immune cells to recognize the pathogen.

=== Modulation of Cytokine Production ===

Immunoevasins can also modulate the production of cytokines, which are important signaling molecules in the immune response. By altering the levels of these molecules, the pathogen can manipulate the immune response to its advantage.

== Examples of Immunoevasins ==

Several pathogens are known to produce immunoevasins. These include:

* The [[herpes simplex virus]], which produces a protein that inhibits the function of [[T cells]], a type of immune cell.
* The [[human immunodeficiency virus]] (HIV), which produces a protein that interferes with antigen presentation.
* The [[malaria]] parasite, which produces a protein that modulates cytokine production.

== See Also ==

* [[Immune evasion]]
* [[Pathogen]]
* [[Antigen presentation]]
* [[Cytokine]]

== References ==

<references />

{{stub}}

[[Category:Immunology]]
[[Category:Microbiology]]
[[Category:Pathogens]]
[[Category:Proteins]]

Immunoevasin - Revision history

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