Table 2. The specific primers.

Name	Primers (5′-3′)	Product length
human apelin	F: CACCTCGCACCTGCTGTA	119 bp
	R: GAACGGGAATCATCCAAAC
human vascular endothelial growth factor	F: TCCCCCTTGGGATCCCGCAG	91 bp
	R: GGCCGGGGAGGAGGTGGTAG
Glyceraldehydes 3-phosphate dehydrogenase	F: GAGTCCACTGGCGTCTTCAC	120 bp
	R: GTTCACACCCATGACGAACA