The Xanthine Derivative KMUP-1 Attenuates Serotonin-Induced Vasoconstriction and K⁺-Channel Inhibitory Activity via the PKC Pathway in Pulmonary Arteries

The Xanthine Derivative KMUP-1 Attenuates Serotonin-Induced Vasoconstriction and K⁺-Channel Inhibitory Activity via the PKC Pathway in Pulmonary Arteries