pattern recognition receptor


Also found in: Dictionary, Thesaurus, Legal, Acronyms, Encyclopedia, Wikipedia.
Related to pattern recognition receptor: Natural killer cells, Toll like receptor

pattern recognition receptor

Abbreviation: PRR
A receptor on an antigen-presenting cell of the immune system that recognizes molecular sequences found on disease-causing organisms but not host cells. PRRs detect the presence of pathogen-associated chemicals such as lipopolysaccharides, mannans, and teichoic acids.
See also: receptor
References in periodicals archive ?
sup][9] Like other respiratory epitheliums, adenoidal epithelium may serve as the central part of the upper airway innate immunity related to mucociliary clearance, [sup][10] secretion of endogenous antimicrobial peptides (AMPs), [sup][11] interacting with the adaptive immune response, and expressing pattern recognition receptors (PRRs) to identify pathogen-associated molecular patterns (PAMPs).
Helicase Receptors: A class of proteins that act as intracellular pattern recognition receptors and play a central role in the innate immune system; they recognize the presence of viruses in the cells and initiate antiviral responses.
It acts through a variety of primitive and more advanced mechanisms, including the complement cascade, pattern recognition receptors, and macrophages to identify and target foreign intruders.
Keratinocytes surrounding a wound increased expression of the genes coding for the microbial pattern recognition receptors CD14 and TLR2, complementing an increase in cathelicidin antimicrobial peptide expression.

Full browser ?