ArticleStem cell research & therapy2024
Senolysis potentiates endothelial progenitor cell adhesion to and integration into the brain vasculature.
Article in Stem cell research & therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Inflammaging Beyond Biomarkers: Molecular Mechanisms and Therapeutic Opportunities.Current issues in molecular biology · 2026Review
- Traumatic Brain Injury Induces Senescence in Brain Microvasculature.Biomolecules · 2026Article
- Decoding Vascular Senescence: Cellular Insights and Therapeutic Strategies.International journal of biological sciences · 2026Review
- Frailty and cardiovascular disease: a bidirectional relationship with clinical implications.Frontiers in cardiovascular medicine · 2025Review
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7 authors.
Funding
Abstract
backgroundOne of the most severe consequences of ageing is cognitive decline, which is associated with dysfunction of the brain microvasculature. Thus, repairing the brain vasculature could result in healthier brain function.
methodsTo better understand the potential beneficial effect of endothelial progenitor cells (EPCs) in vascular repair, we studied the adhesion and integration of EPCs using the early embryonic mouse aorta-gonad-mesonephros - MAgEC 10.5 endothelial cell line. The EPC interaction with brain microvasculature was monitored ex vivo and in vivo using epifluorescence, laser confocal and two-photon microscopy in healthy young and old animals. The effects of senolysis, EPC activation and ischaemia (two-vessel occlusion model) were analysed in BALB/c and FVB/Ant: TgCAG-yfp_sb #27 mice.
resultsMAgEC 10.5 cells rapidly adhered to brain microvasculature and some differentiated into mature endothelial cells (ECs). MAgEC 10.5-derived endothelial cells integrated into microvessels, established tight junctions and co-formed vessel lumens with pre-existing ECs within five days. Adhesion and integration were much weaker in aged mice, but were increased by depleting senescent cells using abt-263 or dasatinib plus quercetin. Furthermore, MAgEC 10.5 cell adhesion to and integration into brain vessels were increased by ischaemia and by pre-activating EPCs with TNFα.
conclusionsCombining progenitor cell therapy with senolytic therapy and the prior activation of EPCs are promising for improving EPC adhesion to and integration into the cerebral vasculature and could help rejuvenate the ageing brain.
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