Date published: 2026-5-26

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APHC Inhibitors

Chemical inhibitors of APHC function by disrupting the sphingolipid metabolism pathways that are crucial for the protein's activity. Ceranib-2, for instance, inhibits acid ceramidase, which is responsible for the conversion of ceramides to sphingosine. By preventing this conversion, Ceranib-2 can lead to a reduction in the sphingosine pool, thus directly affecting the function of APHC. Fumonisin B1, a ceramide synthase inhibitor, can lower ceramide levels, which in turn could reduce the substrates available for the APHC protein, leading to its functional inhibition. Carmofur, although primarily used in chemotherapy, also functions as an acid ceramidase inhibitor, thus cutting down on the conversion of ceramides that could inhibit the lipid metabolism pathways APHC is involved in. GT11, a dihydroceramide desaturase inhibitor, can increase the levels of dihydroceramides, causing a competitive inhibition of the normal substrates of APHC. PDMP, by inhibiting glucosylceramide synthase, can decrease glycosphingolipid levels, further leading to a reduction in APHC substrate availability. L-Threo-dihydrosphingosine and SKI-II both act as sphingosine kinase inhibitors, which would reduce the levels of sphingosine-1-phosphate, a molecule that APHC is suggested to regulate. This reduction could disturb the balance of sphingolipid signaling molecules and functionally inhibit APHC. Safingol, also a sphingosine kinase inhibitor, works in a similar fashion by impeding the production of sphingosine-1-phosphate and influencing the sphingolipid rheostat that APHC is part of. Myriocin targets the serine palmitoyltransferase, which is the first step in sphingolipid biosynthesis, leading to a decreased pool of sphingolipids that are essential for the functional activity of APHC.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

D-erythro-MAPP

143492-38-0sc-203328
5 mg
$112.00
(0)

D-erythro-MAPP acts as an acid halide, characterized by its unique reactivity with nucleophiles, leading to the formation of stable intermediates. Its molecular structure allows for selective acylation reactions, which can influence reaction kinetics and product distribution. The compound exhibits distinct solubility properties, enhancing its interaction with various substrates. Additionally, D-erythro-MAPP's ability to form transient complexes with catalysts underscores its role in facilitating diverse synthetic pathways.

Ceranib-2

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

Ceranib-2 is an acid ceramidase inhibitor which could inhibit APHC by preventing the hydrolysis of ceramides into sphingosine, thus reducing the sphingosine pool that is necessary for APHC's downstream signaling pathways.

Fumonisin B1

116355-83-0sc-201395
sc-201395A
1 mg
5 mg
$200.00
$680.00
18
(1)

This mycotoxin is a ceramide synthase inhibitor that can lower ceramide levels, potentially reducing the substrate for APHC and thereby inhibiting its function.

Carmofur

61422-45-5sc-204670
sc-204670A
1 g
5 g
$102.00
$437.00
3
(0)

Carmofur is a chemotherapy agent that also inhibits acid ceramidase, thus it can functionally inhibit APHC by reducing the breakdown of ceramides and affecting its lipid metabolism pathways.

DL-PDMP

73257-80-4sc-201391
sc-201391B
sc-201391A
sc-201391C
10 mg
25 mg
50 mg
100 mg
$119.00
$273.00
$515.00
$837.00
3
(1)

PDMP is a glucosylceramide synthase inhibitor, which could reduce the glycosphingolipid levels and therefore decrease the availability of APHC substrates, leading to functional inhibition.

SKI II

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

SKI-II is another sphingosine kinase inhibitor that can decrease sphingosine-1-phosphate levels, potentially functionally inhibiting APHC by disturbing the sphingolipid signaling pathways.

Safingol

15639-50-6sc-204258
1 mg
$235.00
1
(1)

Safingol is a sphingosine kinase inhibitor that can impede the production of sphingosine-1-phosphate. This can inhibit APHC by causing an imbalance in the sphingolipid rheostat that APHC is involved in regulating.

Myriocin (ISP-1)

35891-70-4sc-201397
10 mg
$150.00
8
(2)

Myriocin is a serine palmitoyltransferase inhibitor that can lower sphingolipid biosynthesis, potentially inhibiting APHC by cutting down on the pool of sphingolipids that APHC may regulate or interact with.