Date published: 2026-5-14

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SMS2 Inhibitors

SMS2 inhibitors belong to a distinctive chemical class characterized by their ability to selectively target and modulate the activity of sphingomyelin synthase 2 (SMS2), a crucial enzyme in the sphingolipid metabolic pathway. Sphingolipids play pivotal roles in various cellular processes, including cell signaling, membrane structure, and apoptosis. SMS2, specifically, is responsible for catalyzing the conversion of ceramide to sphingomyelin, a process integral to the regulation of cell membrane composition and function. As such, SMS2 inhibitors exert their effects by interfering with this enzymatic conversion, leading to alterations in sphingomyelin levels within cellular membranes.

SMS2 inhibitors typically comprises a diverse array of molecular scaffolds, each designed to interact with specific binding sites on the SMS2 enzyme. The inhibitory action of these compounds arises from their ability to disrupt the enzymatic activity of SMS2, thereby modulating the balance of sphingolipids within the cell. This modulation, in turn, has downstream effects on cellular processes influenced by sphingolipid signaling. Researchers are actively exploring the pharmacological implications of SMS2 inhibitors, aiming to decipher the broader impact of altering sphingolipid metabolism in various cellular contexts. Understanding the structural and mechanistic aspects of SMS2 inhibitors provides a foundation for further exploration into their potential applications and elucidates the intricate interplay of sphingolipids in cellular homeostasis.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

D609

83373-60-8sc-201403
sc-201403A
5 mg
25 mg
$189.00
$575.00
7
(1)

D609 is an inhibitor that acts by inhibiting the Tricyclodecan-9-yl-xanthogenate (TXA2) synthase, and in turn, can inhibit SMS2. It mainly interferes with the enzymatic activity of SMS2, thereby reducing its function.

4-Hydroxyphenylretinamide

65646-68-6sc-200900
sc-200900A
5 mg
25 mg
$104.00
$315.00
(0)

4-Hydroxyphenylretinamide (Fenretinide) inhibits dihydroceramide desaturase, a key enzyme in the sphingolipid pathway, thus indirectly inhibiting SMS2.

GW4869

6823-69-4sc-218578
sc-218578A
5 mg
25 mg
$203.00
$611.00
24
(3)

GW4869 is a non-competitive inhibitor of neutral sphingomyelinase, which can indirectly inhibit SMS2.

Imipramine

50-49-7sc-507545
5 mg
$190.00
(0)

Imipramine, like desipramine, is a tricyclic antidepressant that can inhibit acid sphingomyelinase, thus indirectly affecting SMS2.

Ceranib-2

1402830-75-4sc-507503
10 mg
$173.00
(0)

Ceranib-2 inhibits ceramide synthase, thereby indirectly affecting the activity of SMS2.

SKI II

312636-16-1sc-204286
sc-204286A
10 mg
50 mg
$96.00
$400.00
3
(2)

SKI II is an inhibitor of sphingosine kinase, and it can indirectly inhibit SMS2.