Transcriptomics

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Transcriptomics of vitamin D treatment effects in Mycobacterium tuberculosis-infected THP-1 cells


ABSTRACT: Previous reports have shown low vitamin D serum levels and polymorphisms in the vitamin D receptor (VDR) to be associated with increased risk for TB. Given that 1α,25-dihydroxyvitamin D3 has a role in lipid metabolism control, we tested whether the link between 1α,25-dihydroxyvitamin D3 and tuberculosis involves macrophage lipid metabolism. Since formation of lipid droplets (LD) is a hallmark of lipid dysregulation in M. tuberculosis-infected macrophages, we measured LD content as a readout of altered lipid metabolism in infected THP-1 cells. Induction of LD, which peaked by 24 hours post-infection was prevented by addition of 1α,25-dihydroxyvitamin D3 at the time of infection. To investigate the mechanism of 1α,25-dihydroxyvitamin D3 modulation of LD formation, we analyzed the transcriptome of M. tuberculosis-infected THP-1 cells with and without 1α,25-dihydroxyvitamin D3 treatment.

ORGANISM(S): Homo sapiens

PROVIDER: GSE57028 | GEO | 2014/07/01

SECONDARY ACCESSION(S): PRJNA245234

REPOSITORIES: GEO

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