Post navigation Next ArticlePrevious Article ET-1 ·31 May 2017 Endothelin-1. Hormone produced by the endothelium which has a vasoconstrictive effect. Tweet Share Pin it Comment Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Name * Email * Website Comment By using this form you agree with the storage and handling of your data by this website. * Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.