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Prednisone

潑尼松
Mechanism of action:
Prednisone 是一種合成型糖皮質類固醇(synthetic glucocorticoid)。Prednisone 為前軀藥,由肝臟的 11β-羥基類固醇去氫酶 1 型(11β-hydroxysteroid dehydrogenase type 1,11β-HSD1)轉化為 prednisolone。Prednisolone 為脂溶性分子,可自由穿過細胞膜,在細胞質中與糖皮質激素受體(glucocorticoid receptor)結合後,形成配體-受體複合體,並移動進入細胞核,上調抗發炎基因(如 annexin A1)的表達量;抑制促發炎基因(如 IL-1、IL-2、IL-6、TNF-α)的表達量。
Reference(s):
1. Czock D et al. (2005). Pharmacokinetics and pharmacodynamics of systemically administered glucocorticoids. Clin Pharmacokinet.
2. Frey BM et al. (1990). Clinical pharmacokinetics of prednisone and prednisolone. Clin Pharmacokinet.
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