Background and purpose: Atypical cannabinoids are thought to cause vasodilatation through an as-yet unidentified ‘CBx' receptor. Recent reports suggest GPR55 is an atypical cannabinoid receptor, making it a candidate for the vasodilator ‘CBx' receptor. The purpose of the present study was to test the hypothesis that human recombinant GPR55 is activated by atypical cannabinoids ... Continue Reading