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Triamcinolone

曲安西龍
Mechanism of action:
Triamcinolone 是一種合成型糖皮質類固醇(synthetic glucocorticoid)。Triamcinolone 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. Florini JR et al. (1961). Metabolic fate of a synthetic corticosteroid (triamcinolone) in the dog. J Biol Chem.
2. Argenti D et al. (1999). A pharmacokinetic study to evaluate the absolute bioavailability of triamcinolone acetonide following inhalation administration. J Clin Pharmacol.
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