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磷酸二酯酶-5(PDE5)是调节细胞内第二信使-环鸟苷酸的代谢作用。枸橼酸西地那非是一种特异性PDE5强抑制剂,被广泛应用于治疗男性勃起功能障碍(ED)。
Phosphodiesterase-5 (PDE5) regulates the metabolism of the second messenger-cyclic guanylate in cells. Sildenafil citrate is a potent PDE5 inhibitor that is widely used in the treatment of male erectile dysfunction (ED).