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|Titolo:||ICAM-1 induction in respiratory cells exposed to a replication-deficient recombinant adenovirus in vitro and in vivo|
|Autori interni:||NICOLIS, Elena|
CASSATELLA, Marco Antonio
|Data di pubblicazione:||1998|
|Abstract:||Administration of replication-deficient recombinant adenoviruses (Ad) designed as vectors for gene transfer to the airway tract of rats and monkeys has been associated with a dose-dependent inflammatory process a few days after viral exposure. Among the cellular mechanisms possibly involved, we investigated the expression of intercellular adhesion molecule-1 (ICAM-1), which is known to be induced by parainfluenza, adenovirus type 5 and respiratory syncytial viruses in vitro. To test this hypothesis, an Ad type 5-derived replication-deficient recombinant vector carrying the expression cassette for the cystic fibrosis gene (Ad.CFTR) was either incubated with A549 cells (a human-derived lung epithelial cell line) or instilled by bronchoscopic procedures into the airways of Rhesus monkeys. Ad.CFTR induced expression of ICAM-1 in A549 cells and up-regulated with time the basal levels of ICAM-1 mRNA in lung portions of Rhesus monkeys. These observations indicate that E1-E3-deleted replication-deficient adenoviral vectors are capable of inducing adhesion molecules known to play a role in inflammation.|
|Appare nelle tipologie:||01.01 Articolo in Rivista|
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