
Imaging S1P1 activation in vivo
Keywords: S1P1; sphingosine-1-phosphate receptor 1; S1P; sphingosine-1-phosphate; GPCR; G protein-coupled receptor; ApoM; apolipoprotein M; HDL; high-density lipoprotein; HEV; high endothelial venules; MS; multiple sclerosis; tTA; tetracycline transcriptional activ