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[[Image:PRRs.jpg|thumb|right|150px|Pattern Recognition Receptors - B. Catchpole, RVC 2008]]
 
[[Image:PRRs.jpg|thumb|right|150px|Pattern Recognition Receptors - B. Catchpole, RVC 2008]]
The innate immune system recognises components of pathogens which are intrinsically foreign (i.e. not present on normal mammalian cells), such as:
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The [[Innate Immune System - Introduction|innate immune system]] recognises components of pathogens which are intrinsically foreign (i.e. not present on normal mammalian cells), such as:
*Lipopolysaccharides of gram-negative bacteria
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*Lipopolysaccharides of gram-negative [[bacteria]]
 
*Peptidoglycans of gram-positive bacteria
 
*Peptidoglycans of gram-positive bacteria
 
*Mannose sugars
 
*Mannose sugars
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The engagement of PRRs by PAMPs triggers:
 
The engagement of PRRs by PAMPs triggers:
 
* '''[[Phagocytosis|Phagocytosis]]'''
 
* '''[[Phagocytosis|Phagocytosis]]'''
* The expression of '''[[Cytokines|cytokines]]''', which brings about [[:Category:Inflammation|inflammation]] and other immune responses
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* The expression of '''[[Cytokines|cytokines]]''', which brings about [[Inflammation - Introduction|inflammation]] and other immune responses
 
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<br><br>
 
<br><br>
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{{Robert J Francis
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|date = May 10, 2012}}
 
{{Jim Bee 2007}}
 
{{Jim Bee 2007}}
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[[Category:Innate Immune System]]
 
[[Category:Innate Immune System]]
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[[Category:Robert J Francis]]
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