Fig. 6.
Detection of Sph-1-P in the extracts from human platelets and HUVECs. The extracts from platelets (Plt) and HUVECs were N-acylated with [3H]acetic anhydride into [3H]C2-Cer-1-P to quantify Sph-1-P. The extracts analyzed were those obtained from the cells containing 5 μmol phospholipid.