Key result
Plasma small extracellular vesicles from normotensive and hypertensive rats similarly stimulate VSMC migration and proliferation.
Why the study?
Hypertension initiation and development rely partly on vascular smooth muscle cell proliferation and migration, prompting investigation into whether plasma small extracellular vesicles regulate these functions.
Do plasma small extracellular vesicles from normotensive and hypertensive rats promote migration and proliferation in primary rat aortic smooth muscle cells?
Population
Primary rat aortic SMCs
Comparison
Plasma sEV from WKY vs plasma sEV from SHR
Design
Preclinical in vitro laboratory study
Authors
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No immediate clinical implications from rat sEV data; leaves open their role in human hypertension.
Do plasma small extracellular vesicles from normotensive and hypertensive rats promote migration and proliferation in primary rat aortic smooth muscle cells?
p-value: p=<0.01
Plasma sEV from both normotensive and hypertensive rats stimulate vascular smooth muscle cell migration and proliferation similarly, suggesting these effects are physiological rather than specific to hypertension pathogenesis.
Otani et al. (2020) studied Hypertension. Plasma small extracellular vesicles (sEV) vs. PBS (Control) was evaluated on Migration and proliferation of primary rat aortic smooth muscle cells (p=<0.01). Plasma small extracellular vesicles from both normotensive and hypertensive rats similarly stimulated the migration and proliferation of vascular smooth muscle cells in vitro.
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