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Doxycycline Changes the Transcriptome Profile of mIMCD3 Renal Epithelial Cells
Hyun Jun Jung1, Richard Coleman1, Owen M Woodward2
1Division of Nephrology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, United States.
Doxycycline (DOX) significantly alters gene expression in kidney cells, impacting cell proliferation and immune responses. This study provides a reference for understanding DOX effects in renal epithelial models.
Area of Science:
- Molecular Biology
- Renal Cell Biology
- Genomics
Background:
- Tetracycline-inducible systems are crucial for studying gene function in renal models.
- The impact of doxycycline (DOX) on gene expression in these models is not fully understood.
Purpose of the Study:
- To evaluate the effects of DOX on the transcriptome of mIMCD3 renal epithelial cells.
- To establish a reference for DOX-mediated gene expression in kidney cells.
Main Methods:
- mIMCD3 cells were treated with DOX for 3 or 6 days.
- Genome-wide transcriptome profiles were analyzed using RNA-Seq.
Main Results:
- DOX significantly altered 1,549 transcripts at 3 days and 2,643 transcripts at 6 days.
- DOX decreased expression of signaling pathways (ERK, cAMP, Notch) involved in proliferation and differentiation.
- Genes related to cell cycle, immune response, cytokines, and proliferation markers were downregulated.
Conclusions:
- DOX profoundly impacts the renal epithelial transcriptome.
- These findings offer insights into DOX responses and aid in designing DOX-inducible gene expression systems.
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