18β-Glycyrrhetinic acid improves pulmonary hypertension by regulating the vascukar non-inflammatory molecule-1/L-arginine/nitric oxide signaling pathway.

Purpose: Pulmonary hypertension (PH) is a progressive cardiopulmonary disease characterized by elevated pulmonary arterial pressure and resistance. 18β-Glycyrrhetinic acid (18β-GA), a major bioactive component in Glycyrrhiza glabra L., exhibits various pharmacological activities.