sphingomyelin synthase

Malabaricone C 是天然的鞘磷脂合成酶抑制剂，对 SMS 1 和 SMS 2 的IC50分别为 3 和 1.5 μM。

SMS2-IN-2 (SMS2 inhibitors) 是一种具有高度选择性、口服具有活力的鞘磷脂合成酶 2 抑制剂，能够作用于 SMS2 (IC50:100 nM)和 SMS1 (IC50:56 nM)。它可减轻慢性炎症反应。

SMS1-IN-1 是一种有效的鞘磷脂合成酶1 (SMS1, IC50 = 2.1 μM) 抑制剂，可用于动脉粥样硬化研究。

D609 (Tricyclodecan-9-yl-Xanthogenate) 具有广泛的生物活性，包括抗氧化、抗凋亡、抗胆碱能、抗肿瘤、抗炎、抗病毒、抗增殖和神经保护活性。D609 通过引起磷脂酰胆碱 (PC) 特异性磷脂酶 C (PC-PLC) 和鞘磷脂合酶 (SMS) 的竞争性抑制来发挥作用。

Ly93 是一种具有选择性和口服活性的鞘磷脂合成酶 2（SMS2）抑制剂（IC50：91 nM），可用于研究动脉粥样硬化。

WYFA-15 是一种鞘磷脂合成酶 1 (SMS1) 抑制剂，能够保护小鼠免受SFTSV致命感染，同时降低SARS-CoV-2的复制和致病性。WYFA-15 可以应用于抗病毒研究。

Ceramide phosphoethanolamine (CPE) is an analog of sphingomyelin that contains ethanolamine rather than choline as the head group. It is the principal membrane phospholipid in invertebrates such as Drosophila, which lacks sphingomyelin. It is only produced in small amounts in mammalian cells, accounting for approximately 0.02 mol% of total phospholipids in mouse testis and brain. In Drosophila, CPE is biosynthesized by CPE synthase from ceramide and cytidine diphosphate-ethanolamine in the Golgi lumen. In mammals, it is biosynthesized by sphingomyelin synthase 2 (SMS2) in the plasma membrane and by sphingomyelin synthase-related protein (SMSr) in the endoplasmic reticulum (ER). In Drosophila, CPE has a role in glial ensheathment of axons. Disrupting CPE synthesis by depleting SMSr in vitro in mammalian cells leads to an accumulation of ER ceramides, which are then mislocalized to the mitochondria, inducing apoptosis. However, ceramide levels are not altered in transgenic mice lacking SMSr catalytic activity. CPEs (bovine) is a mixture of CPEs with variable N-acyl chain lengths.