TABLE 1.

PCR primer sets

Gene Name	Forward Primer	Reverse Primer
S1P1	GCA AGA ACA TCT CCA AGG	GAA GAC ACT CAG GAC AAT G
S1P2	TTA GCA TCC TTC TCT TAG ACT C	GTC ACT CCC TTC CCT CTC
S1P3	TGG ACT GTT GAA GTA ACC	AGA GTG TCA TTT CCC AAG
S1P4	TAC TGC CTG CTG AAC ATC	AGC TGG AAG GTA CGA GTC
S1P5	TCC TTC ACT ACA ACT ACA C	AAG TTC TCC AGC ACA ATG
GAPDH	ATC TTG GGC TAC ACT GAG	GCC GTA TTC ATT GTC ATA C

Abbreviations: GAPDH, glyceraldehyde phosphate dehydrogenase S1P_1–5, sphingosine-1-phosphate receptor_1–5.