N,N-Dimethylsphingosine (119567-63-4) is a synthetic derivative of D-erythro-sphingosine (Cat.# 10-2287). Endogenous sphingolipid.¹ Inhibits sphingosine kinase (IC₅₀ = 5 μM).² N,N-Dimethylsphingosine induces apoptosis in a variety of cell lines.³

References/Citations
1) Igarashi et al. (1990), A specific enhancing effect of N,N-dimethylsphingosine on epidermal growth factor receptor autophosphorylation. Demonstration of its endogenous occurrence (and the virtual absence of unsubstituted sphingosine) in human epidermoid carcinoma A431 cells; J. Biol. Chem., 265 5385
2) Yatomi et al. (1996), N,N-dimethylsphingosine inhibition of sphingosine kinase and sphingosine 1-phosphate activity in human platelets; Biochemistry, 35 626
3) Gude et al. (2008), Apoptosis induces expression of sphingosine kinase 1 to release sphingosine-1-phosphate as a "come-and-get-me" signal; FASEB J., 22 2629