Journal
SEMINARS IN CELL & DEVELOPMENTAL BIOLOGY
Volume 155, Issue -, Pages 16-22Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.semcdb.2023.07.004
Keywords
Endothelium integrity; Cell fate; Cell plasticity; Ischemia; Permeability
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Blood endothelial cells play a crucial role in tissue homeostasis and vascular function, and their regulatory mechanisms have significant therapeutic potential.
In the human body, the 1013 blood endothelial cells (ECs) which cover a surface of 500-700 m2 (Mai et al., 2013) are key players of tissue homeostasis, remodeling and regeneration. Blood vessel ECs play a major role in the regulation of metabolic and gaz exchanges, cell trafficking, blood coagulation, vascular tone, blood flow and fluid extravasation (also referred to as blood vascular permeability). ECs are heterogeneous in various capillary beds and have the exquisite capacity to cope with environmental changes by regulating their gene expression. Ischemia has major detrimental effects on the endothelium and ischemia-induced regulation of vascular integrity is of paramount importance for human health, as small amounts of fluid accumulation in the interstitium may be responsible for major effects on organ functions and patients outcome. In this review, we will here focus on the stimuli and the molecular mechanisms that control blood endothelium maintenance and phenotypic plasticity/ transition involved in controlling blood capillary leakage that might open new avenues for therapeutic applications.
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