Dataset Information

Bulk RNAseq Analysis of Murine Thoracic Aortas with Tsc1+/+ and Tsc1-/- Smooth Muscle Cells

ABSTRACT: Bulk RNAseq Analysis of Murine Thoracic Aortas with Tsc1+/+ and Tsc1-/- Smooth Muscle Cells

PROVIDER: PRJNA557674 | ENA |

REPOSITORIES: ENA

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Project description:Pharmacological activation of the transcription factor PPAR gamma lowers blood pressure and improves glucose tolerance in humans. In contrast, naturally occurring mutations (e.g., P467L, V290M) in the ligand binding domain of PPAR gamma in humans leads to severe insulin resistance and early-onset hypertension. Experimental evidence, including whole genome expression profiling, suggests that these mutant versions of PPAR gamma act in a dominant negative manner. Because PPAR gamma is expressed in a variety of cell types and tissues, we generated a transgenic mouse model (SP467L) specifically targeting dominant negative PPAR gamma to the vascular smooth muscle cells in order to determine the action of PPAR gamma in the blood vessel independent of its systemic metabolic actions. In the data set provided herein, we examined the gene expression profile in thoracic aorta from SP467L mice and their control littermates using the Affymetrix Mouse Genome 430 2.0 array. We generated transgenic mice specifically targeting expression of mutant dominant negative human PPAR gamma (P467L) to vascular smooth muscle using a smooth muscle-specific promoter (smooth muscle myosin heavy chain or SMMHC). Thoracic aortas were isolated from male transgenic mice and corresponding non-transgenic littermate controls. Total RNA was prepared using conventional methods and quality was assessed using the Bioanalyzer 2100 (Agilent Technologies). For the microarray hybridizations, 2 samples from control mice and 3 samples from transgenic mice were used. Each sample was an independent biological replicate generated by pooling total RNA from 6-8 separate mouse aortas. All procedures were conducted at the University of Iowa DNA Core facility using standard Affymetrix protocols. In brief, approximately 3-5 ug of total RNA was used as input to a one-step amplification procedure to generate biotin-labeled RNA fragments for hybridization to the Affymetrix Mouse Genome 430 2.0 array.

Dataset Information

Bulk RNAseq Analysis of Murine Thoracic Aortas with Tsc1+/+ and Tsc1-/- Smooth Muscle Cells

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