TABLE 1.

PCR primers used for detection of RNA expression in human tissues

Target	Primer sequences	Product size
hNPT4
Forward primer	5′-GCTCGCTATGGAATAGCCCTCGT-3′	586 bp for hNPT4_L isoform
Reverse primer	5′-AGGGCCACCCAAGGGTTTCA-3′	352 bp for hNPT4_S isoform
GAPDH
Forward primer	5′-TGAAGGTCGGAGTCAACGGATTTGGT-3′	983 bp
Reverse primer	5′-CATGTGGGCCATGAGGTCCACCAC-3′