Endothelial Remodelling and Intracellular Calcium Machinery

ISSN: 1875-5666 (Online)
ISSN: 1566-5240 (Print)

Volume 17, 10 Issues, 2017

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Current Molecular Medicine

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David W. Li
College of Medicine
University of Nebraska Medical Center
Omaha, NE

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Review Article

Endothelial Remodelling and Intracellular Calcium Machinery

Current Molecular Medicine, 14(4): 457-480.

Author(s): F. Moccia, F. Tanzi and L Munaron.

Affiliation: Laboratory of Physiology, Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, Via Forlanini 6, 27100, Pavia, Italy.


Rather being an inert barrier between vessel lumen and surrounding tissues, vascular endothelium plays a key role in the maintenance of cardiovascular homeostasis. The de-endothelialization of blood vessels is regarded as the early event that results in the onset of severe vascular disorders, including atherosclerosis, acute myocardial infarction, brain stroke, and aortic aneurysm. Restoration of the endothelial lining may be accomplished by the activation of neighbouring endothelial cells (ECs) freed by contact inhibition and by circulating endothelial progenitor cells (EPCs). Intracellular Ca2+ signalling is essential to promote wound healing: however, the molecular underpinnings of the Ca2+ response to injury are yet to be fully elucidated. Similarly, the components of the Ca2+ toolkit that drive EPC incorporation into denuded vessels are far from being fully elucidated. The present review will survey the current knowledge on the role of Ca2+ signalling in endothelial repair and in EPC activation. We propose that endothelial regeneration might be boosted by intraluminal release of specific Ca2+ channel agonists or by gene transfer strategies aiming to enhance the expression of the most suitable Ca2+ channels at the wound site. In this view, connexin (Cx) channels/hemichannels and store-operated Ca2+ entry (SOCE) stand amid the most proper routes to therapeutically induce the regrowth of denuded vessels. Cx stimulation might trigger the proliferative and migratory behaviour of ECs facing the lesion site, whereas activation of SOCE is likely to favour EPC homing to the wounded vessel.


Ca<sup>2 </sup>signalling, Ca<sup>2 </sup> oscillations, connexin hemichannels, endothelial dysfunction, endothelial progenitor cells, ischemic disease, Orai1, Stim1, TRPC1.

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Article Details

Volume: 14
Issue Number: 4
First Page: 457
Last Page: 480
Page Count: 24
DOI: 10.2174/1566524013666131118113410
Price: $58

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