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04 Lezione dalla 4 alla 7 Modulo 2 - ctf novara

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Cell-associated<br />

pattern recognition<br />

receptors<br />

Toll-like receptors<br />

C-type lectins<br />

Scavenger receptors<br />

NLRs<br />

N-formyl Met-Leu-Phe receptors<br />

Soluble recognition<br />

molecules<br />

Pentraxins<br />

Collectins<br />

Ficolins<br />

Location<br />

Plasma membrane and endosomal<br />

membranes of dendritic cells, phagocytes,<br />

endothelial cells, and many other cell types<br />

Plasma membranes of phagocytes<br />

Plasma membranes of phagocytes<br />

Cytoplasm of phagocytes and other cells<br />

Plasma membranes of phagocytes<br />

Location<br />

Plasma<br />

Plasma<br />

Alveoli<br />

Plasma<br />

Specific examples and their<br />

PAMP ligands<br />

TLRs 1-9: Various bacterial and viral molecules<br />

(see Fig. 2-2)<br />

Mannose receptor: Microbial surface<br />

carbohydrates<br />

with terminal mannose and fructose<br />

Dectin: Glucans present in fungal cell walls<br />

CD36: microbial diacylglycerides<br />

Nod1, Nod2 and NALP3: bacterial peptidoglycans<br />

FPR and FPRL1: peptides containing Nformylmethionyl<br />

residues<br />

Specific examples and their<br />

PAMP ligands<br />

C reactive protein (CRP): Microbial<br />

phosphorylcholine<br />

and phosphatidylethanolamine<br />

Mannose-binding lectin (MBL): Carbohydrates<br />

with<br />

terminal mannose and fructose<br />

Surfactant proteins SP-A and SP-D: Various<br />

microbial structures<br />

Ficolin: N-acetylglucosamine and lipoteichoic<br />

acid components<br />

of the cell walls of gram-positive bacteria

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