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Updated: Jun 25, 2026

Culture of Brain Capillary Pericytes for Cytosolic Calcium Measurements and Calcium Imaging Studies

Culture of Brain Capillary Pericytes for Cytosolic Calcium Measurements and Calcium Imaging Studies

Published on: May 27, 2020

Pericyte Electrical Signalling and Brain Haemodynamics.

Thomas A Longden^1,2, Dominic Isaacs^1,2,3

¹Department of Pharmacology and Physiology, University of Maryland School of Medicine, Baltimore, Maryland, USA.

Basic & Clinical Pharmacology & Toxicology

|March 31, 2025

Summary

This summary is machine-generated.

Electrical signals in brain vascular cells, including pericytes, regulate blood flow. This review synthesizes current research and proposes future directions for understanding vascular electrical signaling in the brain.

Keywords:

KATP channels KIR channels arterioles capillaries cerebral blood flow endothelial cells functional hyperemia neurovascular coupling pericytes smooth muscle cells

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Area of Science:

Neuroscience
Physiology
Vascular Biology

Background:

Membrane potential dynamics are crucial for cellular functions, from secretion to cognition.
Electrical signals in vascular cells (smooth muscle, endothelial, pericytes) influence hemodynamics and tissue energy delivery.

Purpose of the Study:

To review and synthesize studies on electrical signaling in brain vasculature.
To integrate recent findings on the electrical role of pericytes.
To develop a holistic model of brain blood flow control via vascular electrical signaling.

Main Methods:

Literature review and synthesis of existing studies.
Integration of recent experimental data on pericyte electrical signaling.
Comparative analysis with electrical signal integration in the nervous system.

Main Results:

Electrical signaling is fundamental to brain vascular cell function.
Pericytes play a significant, previously underappreciated, role in vascular electrical signaling.
Vascular electrical signaling operates across various spatiotemporal scales.

Conclusions:

A comprehensive understanding of brain blood flow requires considering vascular electrical signaling.
Further research is needed to elucidate the network-level integration of vascular electrical signals.
Analogies with neural signaling may offer novel insights into vascular network organization.