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| http://purl.uniprot.org/citations/16406431 | http://www.w3.org/2000/01/rdf-schema#comment | "Surfactant-associated proteins A and D (SP-A and SP-D) are two pulmonary collectins that bind to bacterial, fungal and viral pathogens and have multiples classes of receptors on pneumocyte and macrophage membrane. They are chemoattractant for phagocytes, enhance uptake and killing of bacteria by macrophages and neutrophils. These molecules also act as activation ligand on macrophages and neutrophils to enhance phagocytosis, resulting in an increased bacterial clearance. Depending on activation of cells by stimuli, SP-A and SP-D modulate production of antimicrobial free radicals by phagocytes and secretion of cytokines. In vivo, SP-A deficient mice infected with Pseudomonas aeruginosa (P. aeruginosa) have decreased bacterial clearance and exacerbated inflammatory response in the lungs. Serious alterations in macrophages and increased production of reactive oxygen species were found in non-infected SP-D deficient mice. Patients with cystic fibrosis are frequently colonized by P. aeruginosa. Decreased levels of SP-A and SP-D have been measured in bronchoalveolar lavage fluid of these patients, as well as patients with acute pneumonia but no chronic lung disease. P. aeruginosa secretes various proteases, among them, elastase and protease IV have been found to degrade SP-A and SP-D and abrogate their immune function. However, further investigations are necessary to examine whether these deficiencies facilitate P. aeruginosa infections or stand as consequences."xsd:string |
| http://purl.uniprot.org/citations/16406431 | http://purl.org/dc/terms/identifier | "doi:10.1016/j.medmal.2005.08.011"xsd:string |
| http://purl.uniprot.org/citations/16406431 | http://purl.uniprot.org/core/author | "Guery B."xsd:string |
| http://purl.uniprot.org/citations/16406431 | http://purl.uniprot.org/core/author | "Faure K."xsd:string |
| http://purl.uniprot.org/citations/16406431 | http://purl.uniprot.org/core/author | "Leberre R."xsd:string |
| http://purl.uniprot.org/citations/16406431 | http://purl.uniprot.org/core/date | "2006"xsd:gYear |
| http://purl.uniprot.org/citations/16406431 | http://purl.uniprot.org/core/name | "Med Mal Infect"xsd:string |
| http://purl.uniprot.org/citations/16406431 | http://purl.uniprot.org/core/pages | "63-71"xsd:string |
| http://purl.uniprot.org/citations/16406431 | http://purl.uniprot.org/core/title | "[Pseudomonas aeruginosa and Surfactant-associated Proteins A and D]."xsd:string |
| http://purl.uniprot.org/citations/16406431 | http://purl.uniprot.org/core/volume | "36"xsd:string |
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