Table 5.

Correlation between cytokines expressed by HRGECs stimulated with lupus serum

Cytokine 1	Cytokine 2	r value	P value
PDGF-BB	IL-8	0.96	4.905e-5
PDGF-BB	IL-6	0.95	1.080e-4
IL-8	IL-6	0.89	0.001
GRO-alpha	GM-CSF	0.86	0.002
GRO-alpha	PDGF-BB	0.86	0.003
GRO-alpha	IL-6	0.83	0.005

GM-CSF, granulocyte macrophage colony stimulating factor; GRO-alpha, growth-regulated oncogene alpha; HRGECs, human renal glomerular endothelial cells; IL, interleukin; PDGF-BB, platelet-derived growth factor-BB.