Pricing updated 2019-07-18. Prices are subject to change without notice.
(+)-D-threo-PDMP is a ceramide analog and is one of the four possible stereoisomers of PDMP (Item No. 62595).1 (+)-D-threo-PDMP is an inhibitor of glucosylceramide synthase.2,3 It inhibits glucosylceramide synthase by 50% when used at a concentration of 5 μM in an enzyme assay.3 (+)-D-threo-PDMP is the active component of racemic DL-threo-PDMP (Item No. 10005276). In vitro, (+)-D-threo-PDMP inhibits the synthesis of glucosylceramide synthase and lactosylceramide in B16 melanoma cells when used at a concentration of 25 µM and inhibits cell binding to laminin and collagen when used at concentrations of 10 and 25 µM.4 It also inhibits β-1,4-galactosyltransferase 6 (B4GALT6) and prevents lactosylceramide synthesis, which is a promotor of neuroinflammation in mice during chronic experimental autoimmune encephalomyelitis (EAE), a model of multiple sclerosis.5 (+)-D-threo-PDMP inhibits ganglioside biosynthesis, reduces long-term potentiation (LTP) in mouse hippocampal CA1 neurons, and impairs learning in the four-pellet taking test in mice.6
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1. Vunnam, R.R., and Radin, N.S. Analogs of ceramide that inhibit glucocerebroside synthetase in mouse brain Chemistry and Physics of Lipids 26, 265-278 (1980).
Abe, A., Inokuchi, J.-
Inokuchi, J.i., and Radin, N.S. Preparation of the active isomer of 1-
5. Mayo, L., Trauger, S.A., Blain, M., et al. Regulation of astrocyte activation by glycolipids drives chronic CNS inflammation Nature Medicine 20(10), 1147-1156 (2014).
Fujiwara, H., Ikarashi, K., Yamazaki, Y., et al. Impairment of hippocampal long-