D-erythro-Sphingosine (Erythrosphingosine) hydrochloride is a specific TRPM3 activator. D-erythro-Sphingosine also induces retinoblastoma protein dephosphorylation[1][2].
Extracellular application of D-erythro-Sphingosine (20 μM) induces an increase in [Ca2+]i in TRPM3-transfected HEK293 cells within 20 to 30 s after start of application, whereas nontransfected control cells (NT) shows only very small responses[1].
D-erythro-Sphingosine (10 μM) induces currents through TRPM3[1].
Induction of retinoblastoma protein dephosphorylation by D-erythro-Sphingosine (500 nM; 24 h) precede inhibition of growth and a specific arrest in the G0/G1 phase of the cell cycle[2].
[1]. Grimm C, et al. Activation of the melastatin-related cation channel TRPM3 by D-erythro-sphingosine [corrected]. Mol Pharmacol. 2005 Mar;67(3):798-805.
[2]. Chao R, et al. Retinoblastoma protein dephosphorylation induced by D-erythro-sphingosine. J Biol Chem. 1992 Nov 25;267(33):23459-62.
















