DL-erythro-Dihydrosphingosine is an inhibitor of PKC (protein kinase C). This compound also blocks PLA2 (phospholipases A2) and the D-sphingosine precursor.
B.Y.M. Yung; E.K.W. Hui. Differential Regulation of Protein Kinase C Isoenzymes during Sphinganine Potentiation of Retinoic Acid-Induced Granulocytic Differentiation in Human Leukemia HL-60 Cells. Biochemical and Biophysical Research Communications. 1993, 196, 1390-1400.