Adenovirus-mediated fibroblast growth factor 1 expression in the lung induces epithelial cell proliferation: consequences to hyperoxic lung injury in rats. - Archive ouverte HAL Access content directly
Journal Articles Human Gene Therapy Year : 2004

Adenovirus-mediated fibroblast growth factor 1 expression in the lung induces epithelial cell proliferation: consequences to hyperoxic lung injury in rats.

(1) , (1) , (2) , (2) , (2) , (1) , (1) , (1) , (1) , (1)
1
2

Abstract

High concentrations of oxygen can induce pulmonary toxicity and cause injury to alveolar epithelial and endothelial cells. The present study was performed to determine whether the potent epithelial and endothelial fibroblast growth factor 1 (FGF-1) protected against hyperoxia-induced lung injury. Recombinant adenovirus carrying the gene encoding human secreted FGF-1 (Ad. FGF1) increased the proliferation of lung epithelial cells in vitro. Ad.FGF1 or control vector with an empty expression cassette (Ad.V152) was administered intratracheally to Wistar rats. With Ad.FGF1 (10(9), 5 x 10(9), 10(10), or 5 x 10(10) viral particles [VP]), FGF-1 protein was found in bronchoalveolar lavage fluid 4 days postinfection at levels proportional to the viral dose and was detected in plasma after doses of 10(10) VP or more were administered. Histological examination of the lungs showed intense proliferation and apoptosis of alveolar and bronchial epithelial cells, with few inflammatory cells. The alveolar architecture returned to normal within 17 days. Rats pretreated with Ad.FGF1 (10(9) or 5 x 10(9) VP) 2 days before exposure to hyperoxia (95% O2) survived, whereas rats pretreated with Ad.V152 died within 3 days. In conclusion, adenovirus-mediated FGF-1 overexpression in the lungs causes epithelial cell proliferation and has beneficial effects in hyperoxic lung injury.
Fichier principal
Vignette du fichier
2004_Hum_Gene_Ther.pdf (548.11 Ko) Télécharger le fichier
Origin : Publisher files allowed on an open archive
Loading...

Dates and versions

inserm-00990784 , version 1 (14-05-2014)

Identifiers

Cite

Vanessa Louzier, William Raoul, Aude Leroux, Didier Branellec, Jean-Michel Caillaud, et al.. Adenovirus-mediated fibroblast growth factor 1 expression in the lung induces epithelial cell proliferation: consequences to hyperoxic lung injury in rats.. Human Gene Therapy, 2004, 15 (8), pp.793-804. ⟨10.1089/1043034041648390⟩. ⟨inserm-00990784⟩

Collections

INSERM
99 View
310 Download

Altmetric

Share

Gmail Facebook Twitter LinkedIn More