OR-1896 是 Levosimendan 的活性长寿代谢产物。OR-1896 是一种高选择性磷酸二酯酶 (PDE III) 抑制剂，是一种功能强大的血管扩张剂。OR-1896 可以打开 ATP 敏感的 K+ 通道，并具有 Ca2+ 致敏作用。OR-1896 可减轻心肌细胞的凋亡，心脏重塑和心肌炎症。
OR-1896 is an active long-lived metabolite of Levosimendan. OR-1896 is a highly selective phosphodiesterase (PDE) III isoform inhibitor and a powerful vasodilator. OR-1896 can open ATP-sensitive K+ channels and has Ca2+-sensitizing effect. OR-1896 mitigates cardiomyocyte apoptosis, cardiac remodeling and myocardial inflammation[1].
[1]. Papp, Z, et al., Levosimendan: molecular mechanisms and clinical implications: consensus of experts on the mechanisms of action of levosimendan. Int J Cardiol. 2012 Aug 23;159(2):82-7.
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