Lung disease in the cystic fibrosis mouse exposed to bacterial pathogens

D. J. Davidson, J. R. Dorin, G. McLachlan, V. Ranaldi, D. Lamb, C. Doherty, J. Govan, D. J. Porteous

Research output: Contribution to journalArticlepeer-review

Abstract

Lung disease is the major cause of death in cystic fibrosis (CF), but there is no evidence for overt lung involvement at birth. We show here that the same is true for the gene targeted cftrm1HGU mutant mouse. Furthermore, this CF mouse model demonstrates an impaired capacity to clear Staphylococcus aureus and Burkholderia (Pseudomonas) cepacia, two opportunistic lung pathogens closely associated with lung disease in CF subjects. The cftrm1HGU homozygotes display mucus retention and frank lung disease in response to repeated microbial exposure. Thus, lung disease in the cftrm1HGU mouse develops in response to bacterial infection, establishing a model to dissect the pathogenesis of CF pulmonary disease and providing a clinically relevant end point to assess the efficacy of pharmacologic or genetic interventions.
Original languageEnglish
Pages (from-to)351-357
Number of pages7
JournalNature Genetics
Volume9
Issue number4
DOIs
Publication statusPublished - 1995

Keywords

  • Animals Bacterial Infections/*etiology/pathology Burkholderia cepacia Cystic Fibrosis/*complications/*genetics/pathology Disease Models, Animal Homozygote Humans Lung/microbiology/pathology Lung Diseases/*etiology/pathology Mice Mice, Mutant Strains Mice, Transgenic Opportunistic Infections/*etiology/pathology Pseudomonas Infections/etiology/pathology Staphylococcal Infections/etiology/pathology

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