DESCRIPTION:

QTL associated with bleomycin-induced pulmonary fibrosis 5. This interval was obtained by using a fixed interval width of 25 Mbp around the peak marker (64987829)

LABEL:

QTL-Blmpf5-Mouse-Chr 18

SCORE TYPE:

Binary

DATE ADDED:

2012-04-02

DATE UPDATED:

2020-05-06

SPECIES:

URI:

http://www.informatics.jax.org/searches/accession_report.cgi?id=MGI:3606260

AUTHORS:

Lemay AM, Haston CK

TITLE:

Bleomycin-induced pulmonary fibrosis susceptibility genes in AcB/BcA recombinant congenic mice.

JOURNAL:

Physiological genomics Sep 2005, Vol 23, pp. 54-61

ABSTRACT:

The genetic basis of susceptibility to pulmonary fibrosis is largely unknown. Initially, in this study, loci regulating the response of bleomycin-induced pulmonary fibrosis were mapped using a set of recombinant congenic strains bred from pulmonary fibrosis-resistant A/J and susceptible C57BL/6J (B6) mice. Linkage was identified (logarithm of the odds score = 4.9) on chromosome 9, and other suggestive loci were detected. The putative loci included alleles from both the B6 and A/J strains as increasing the fibrosis response of congenic mice. Gene expression analysis with microarrays revealed 3,304 genes or expressed sequence tags to be differentially expressed (P < 0.01) in lung tissue between bleomycin-treated B6 and A/J mice, and 246 of these genes mapped to potential susceptibility loci. Pulmonary genes differentially expressed between bleomycin-treated B6 and A/J mice included those of heparin binding and extracellular matrix deposition pathways. A review of available genomic sequences revealed 809 (43% of total) genes in the linkage intervals to have variations predicted to alter the encoded proteins or their regulation, 68 (8.4%) of which were also differentially expressed. Genomic approaches were combined to produce a set of candidate genes that may influence susceptibility to bleomycin-induced pulmonary fibrosis in the A/J:B6 mouse model. PUBMED: 16179420
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