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Murine Abdominal Aortic Aneurysm, PPE Model: Transcriptional Profiling of Sham vs. AAA at Day 7

ABSTRACT: Transcriptional profiling of infrarenal aortic tissue from Male 10-week-old C57BL/6J mice after AAA-induction with porcine pancreatic elastase, compared with sham-operated mice. Includes samples obtained 7 days after aneurysm induction. Goal was to examine gene expression in developing AAA in this model, and compare with miRNA profiling performed using the same tissue.

ORGANISM(S): Mus musculus

PROVIDER: GSE51227 | GEO | 2014/08/31

SECONDARY ACCESSION(S): PRJNA221778

REPOSITORIES: GEO

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Murine Abdominal Aortic Aneurysm, PPE Model: Transcriptional Profiling of Sham vs. AAA at Day 7

Project description:Transcriptional profiling of infrarenal aortic tissue from Male 10-week-old C57BL/6J mice after AAA-induction with porcine pancreatic elastase, compared with sham-operated mice. Includes samples obtained 7 days after aneurysm induction. Goal was to examine gene expression in developing AAA in this model, and compare with miRNA profiling performed using the same tissue. Two condition experiment, one infrarenal aorta per array. Sham vs. PPE at Day 7 post-operatively. Total 10 arrays: 5 sham D7, 5 PPE D7.

2014-08-31 | E-GEOD-51227 | biostudies-arrayexpress

MicroRNA transciptional profiling in murine abdominal aortic aneurysm (AAA), porcine pancreatic elastase (PPE) model - Day 7

Project description:We sought to identify differentially regulated microRNAs in infrarenal mouse aortic tissue after AAA-induction with PPE, compared with sham-operated mice. This treatment leads to rapid development of infrarenal aortic aneurysms with significant diameter differences observed by Day 7. We found 41 miRNAs were up-regulated with aneurysm and 37 down-regulated at p<0.05, which were also altered by >1.5-fold. Utilizing the PPE infusion model, we induced AAA in Male 10-week-old C57/Bl6 mice, 7 days after AAA-induction with PPE. One array per mouse, 5 mice per group, two groups (PPE and sham).

2014-08-31 | E-GEOD-51226 | biostudies-arrayexpress

MicroRNA transciptional profiling in murine abdominal aortic aneurysm (AAA), porcine pancreatic elastase (PPE) model - Day 7

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Abdominal Aortic Aneurysm in C57BL/6J Mice - Male and Female PPE vs. Sham Day 7

Project description:Transcriptional profiling of infrarenal aorta from male and female mice (10-weeks old, C57BL/6J), treated with either porcine pancreatic elastase (PPE) local infusion or sham operation (saline infusion). Samples harvested 7 days after treatment. Goal was to examine gene expression in AAA in this model in both genders. Surgical protocol is as described in PMCID: PMC3148686/PMID: 19629030.

2022-03-03 | GSE197748 | GEO

Murine Abdominal Aortic Aneurysm, PPE Model - In Vivo Modulation of miRNA-24 (Day 7)

Project description:Transcriptional profiling of infrarenal aortic tissue from Male 10-week-old C57BL/6J mice after AAA-induction with porcine pancreatic elastase, compared with sham-operated saline-injected mice. One day after AAA-induction, the mice were injected intraperitoneally with either lentiviral packaged miR-24 antagomir (anti-miR-24) or miR-24 mimic (pre-miR-24), or a scrambled microRNA control (scr-miR). Aortic samples were obtained 7 days after operation. The goal was to examine gene expression in developing AAA in this model, and to compare the effects of scr-miR, anti-miR-24 and pre-miR-24. Four condition experiment, one infrarenal aorta per array. Sham vs. scr-miR-PPE vs. anti-miR-24-PPE vs. pre-miR-24-PPE, all harvested at Day 7 post-operatively. After QC, the final analysis group (uploaded here) consisted of 18 arrays: Sham-Saline-treated (4 arrays), scr-miR-PPE-treated (5 arrays); pre-miR-24-PPE-treated (3 arrays); and anti-miR-24-PPE-treated (6 arrays).

2014-08-31 | E-GEOD-51228 | biostudies-arrayexpress

Murine Abdominal Aortic Aneurysm, PPE Model - In Vivo Modulation of miRNA-24 (Day 7)

2014-08-31 | GSE51228 | GEO

Single-cell RNAseq analysis of CaCl2-induced mouse abdominal aortic aneurysm (AAA) samples

Project description:We performed single-cell RNA sequencing (scRNA-seq) on infrarenal abdominal aortas from C57BL/6J mice after perivascular CaCl2 treatment. Infrarenal abdominal aortas were collected four days after AAA induction and processed for sequencing. These data provide high-resolution insight into the complexity and heterogeneity of mouse AAA.

2021-03-15 | GSE164678 | GEO

RNA-sequencing of abdominal aortic aneurysm (AAA) and control abdominal aorta tissues

Project description:Abdominal aortic aneurysm (AAA) is a permanent segmental dilatation of the abdominal aorta, contributing to a high mortality once rupture. We performed RNA-sequencing analysis of abdominal aorta tissues from 14 participants, including seven patients with AAA and seven control individuals.

2023-12-07 | GSE183464 | GEO

Gene expression data from aortic tissues of PPE-AAA mice receiving systemic lenvatinib treatment

Project description:Abdominal aortic aneurysm (AAA) is a disease with high morbidity and mortality, especially when ruptured. The rationale of this study was to evaluate the repurposing of lenvatinib, a multi–tyrosine kinase inhibitor, in limiting experimental AAA growth targeting vascular smooth muscle cells (VSMCs) and angiogenesis. We applied systemic lenvatinib treatment to porcine pancreatic elastase(PPE)-induced murine aortic aneurysms and profiled their gene expression through Affymetrix MTA1-0 microarray.

2023-03-07 | GSE226736 | GEO

Cycloastragenol inhibit experimental abdominal aortic aneurysm progression

Project description:Abstract: The pathogenesis of AAA involves vascular inflammation and oxidative stress. Astragali Radix contains cycloastragenol (CAG) known to have anti-inflammatory and anti-oxidative properties. We hypothesized that CAG supplement impairs AAA progression. AAA was induced in male rats by intraluminal elastase infusion in the infrarenal aorta and treated daily with CAG (125 mg/kg/day). Aortic expansion was followed weekly by ultrasound, with euthanization at day 28. Changes in AAA wall composition were analyzed at mRNA levels, histology, zymography and explorative proteomic analyses. At day 28, mean AAA diameter was 37% lower in CAG group (p<0.0001). In aneurysm cross sections, elastin content was insignificantly higher in CAG group (10.5% ± 5.9% vs 19.9% ± 16.8%, p=0.20) with more preserved elastin lamellae structures (p=0.0003) and with no microcalcifications. Aneurysmal matrix metalloprotease-2 activity was reduced by CAG treatment (p=0.022), and mRNA levels of inflammatory- and antioxidative markers showed no difference between groups. Explorative proteomic analysis showed no difference in protein levels when adjustment for multiple testing. Amongst unadjusted affected proteins were fibulin-5 (p=0.02), aquaporin-1 (p=0.02) and prostacyclin synthase (p=0.006). CAG impairs experimental AAA progression by reduction of elastin degradation through decreased MMP-2 activity, thus CAG could be considered tested in AAA patients.

2022-05-20 | PXD030441 | Pride

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