Table 1.

Primer sequences used for RT-PCR.

Gene	Forward sequence	Reverse sequence
PHGDH	CTT ACC AGT GCC TTC TCT CCA C	GCT TAG GCA GTT CCC AGC ATT C
PSAT1	ACT TCC TGT CCA AGC CAG TGG A	CTG CAC CTT GTA TTC CAG GAC C
PSPH	GAC AGC ACG GTC ATC AGA GAA G	CGC TCT GTG AGA GCA GCT TTG A
18 S	AGT CCC TGC CCT TTG TAC ACA	GAT CCG AGG GCC TCA CTA AAC