Transcriptomics

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Functional significance of the SLC26A4 gene in silica-induced pulmonary toxicity


ABSTRACT: Previous studies in our laboratory identified a correlation between silica-induced pulmonary toxicity and SLC26A4 transcript levels in the lungs of rats. To determine the role of the SLC26A4 gene product, pendrin (Pds) in silica-induced pulmonary toxicity, pendrin wild type (WT) and knockout (KO) mice were employed. All mice were exposed to either air or crystalline silica (15 mg/m3, 6 hours/day, 4 days) and pulmonary toxicity and lung gene expression profiles determined at post-exposure time intervals of 1-day, 3-months, and 9-months. Silica exposure resulted in the induction of pulmonary toxicity in both the WT and KO mouse strains, compared to corresponding air exposed controls. However, there were significant differences (p<0.05) in the measured pulmonary toxicity parameters between silica exposed WT and KO groups being more severe in the WT compared with the KO mice. Significant differences in the gene expression profiles were also detected in the WT and KO mice in response to their exposure to crystalline silica.

ORGANISM(S): Mus musculus

PROVIDER: GSE139287 | GEO | 2022/10/23

REPOSITORIES: GEO

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