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MiR-191 as a Key Molecule in Aneurysmal Aortic Remodeling
Sabina Lichołai1, Dorota Studzińska2, Hanna Plutecka1
1Division of Molecular Biology and Clinical Genetics, Faculty of Medicine, Jagiellonian University Medical College, Skawinska 8, 31-066 Kraków, Poland.
Biomolecules
|November 27, 2021
Summary
MicroRNA-191 (miR-191) levels are elevated in patients with abdominal aortic aneurysms (AAA). This study investigated miR-191
Area of Science:
- Vascular Biology
- Genetics and Epigenetics
Background:
- Abdominal aortic aneurysms (AAA) are complex vascular diseases with poorly understood mechanisms.
- Family history is a key risk factor, suggesting genetic and epigenetic influences in AAA pathogenesis.
- MicroRNAs (miRNAs) are implicated in AAA development.
Purpose of the Study:
- To measure miR-191 levels in AAA patients compared to controls.
- To investigate the functional impact of miR-191 on cellular processes relevant to AAA.
- To explore the role of miR-191 in AAA pathomechanisms.
Main Methods:
- Quantification of miR-191 levels in patient plasma samples.
- In vitro endothelial cell model to assess miR-191's transcriptomic effects.
- RNA sequencing and pathway analysis to identify affected biological processes.
Main Results:
- miR-191 levels were significantly elevated in patients with abdominal aortic aneurysms.
- In vitro studies revealed miR-191 alters cellular transcriptomes.
- Pathway analysis linked miR-191-mediated changes to known AAA development processes.
Conclusions:
- Elevated miR-191 is associated with abdominal aortic aneurysms.
- miR-191 influences cellular pathways implicated in AAA pathogenesis.
- Further research into miR-191's role in AAA is warranted.
