Pericyte-endothelial crosstalk: implications and opportunities for advanced cellular therapies.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Pericytes are mural cells of the microcirculation that have been shown to play key roles in regulating microvascular morphogenesis and stability throughout each tissue bed and organ system assessed. Of note, recent work has revealed that pericytes share several characteristics with mesenchymal- and adipose-derived stem cells, suggesting there may be lineage-related connections among bona fide pericytes and these vascular "progenitors," which can assume a perivascular position in association with endothelial cells. Hence, pericyte identity as a mediator of vascular remodeling may be confounded by its close relationships with its progenitors or pluripotent cell counterparts and yet demonstrates their potential utility as cell-based therapies for unmet clinical needs. Crucial to the development of such therapies is a comprehensive understanding of the origin and fate regulating these related cell types as well as the unveiling of the molecular mechanisms by which pericytes and endothelial cells communicate. Such mechanistic inputs, which disrupt normal cellular crosstalk during disease inception and progression, offer opportunities for intervention and are discussed in the context of the vasculopathies accompanying tumor growth, diabetes, and fibrosis.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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