Table 1.

Primer sequences and PCR products size

Gene	Forward primer	reverse primer	Product size
GDNF	5'-TCACTGACTTGGGTTTGGGCTAT-3'	5'-TCAGACGGCTGTTCTCACTCCTA-3'	477 bp
GFRα1	5'-ACTCCTGGATTTGCTGATGTCGG-3'	5'-CGCTGCGGCACTCATCCTT-3'	193 bp
Ret	5'-CTGCCGCTGCTAGGAGAAGCCCCAC-3'	5'-CTTCACACTGATGTTGGGACAAAGGAA-3'	555 bp
CLU	5'-GACAATGAGCTCCA(G/A)GAA(A/C)TG-3'	5'-CAGGCATCCTGTGGAGTT(G/A)TG-3'	806 bp
NCAM	5'-GCCGAGATGGTCATTCTGA-3'	5'-GATGTTGTCCAGGTGATGG-3'	571 bp
G3PDH	5'-ACCACAGTCCATGCCCATCAC-3'	5'-TCCACCACCCTGTTGCTGTA-3'	450 bp