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Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Front+Microbiol 2017 ; 8 (ä): ä Nephropedia Template TP
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Apoptosis, Toll-like, RIG-I-like and NOD-like Receptors Are Pathways Jointly Induced by Diverse Respiratory Bacterial and Viral Pathogens #MMPMID28298903
Martínez I; Oliveros JC; Cuesta I; de la Barrera J; Ausina V; Casals C; de Lorenzo A; García E; García-Fojeda B; Garmendia J; González-Nicolau M; Lacoma A; Menéndez M; Moranta D; Nieto A; Ortín J; Pérez-González A; Prat C; Ramos-Sevillano E; Regueiro V; Rodriguez-Frandsen A; Solís D; Yuste J; Bengoechea JA; Melero JA
Front Microbiol 2017[]; 8 (ä): ä PMID28298903show ga
Lower respiratory tract infections are among the top five leading causes of human death. Fighting these infections is therefore a world health priority. Searching for induced alterations in host gene expression shared by several relevant respiratory pathogens represents an alternative to identify new targets for wide-range host-oriented therapeutics. With this aim, alveolar macrophages were independently infected with three unrelated bacterial (Streptococcus pneumoniae, Klebsiella pneumoniae, and Staphylococcus aureus) and two dissimilar viral (respiratory syncytial virus and influenza A virus) respiratory pathogens, all of them highly relevant for human health. Cells were also activated with bacterial lipopolysaccharide (LPS) as a prototypical pathogen-associated molecular pattern. Patterns of differentially expressed cellular genes shared by the indicated pathogens were searched by microarray analysis. Most of the commonly up-regulated host genes were related to the innate immune response and/or apoptosis, with Toll-like, RIG-I-like and NOD-like receptors among the top 10 signaling pathways with over-expressed genes. These results identify new potential broad-spectrum targets to fight the important human infections caused by the bacteria and viruses studied here.