An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Arterial dilation occurs through activation of TRPA1 in sensory nerves. TRPA1 channel activation on sensory nerves results in Ca2+-dependent release of CGRP, which in turn binds to CGRP receptors on the plasma membranes of VSMCs to cause hyperpolarization and relaxation.