Table 2. Correlation of the protein levels of the signaling molecules (p)ERK1/2, (p)AKT, pFAK (Y397) and SHC with integrin α5 expression in malign and benign tissue of patients with ccRCC.

	tissue	p-value
ERK1/2	malign	0.052
	benign	< 0.0001
pERK1/2 (T202/Y204)	malign	0.058
	benign	0.465
AKT	malign	0.108
	benign	0.279
pAKT (S473)	malign	0.801
	benign	0.133
pFAK (Y397)	malign	0.049
	benign	0.049
SHC	malign	0.005
	benign	< 0.0001

Significance was calculated by a Spearman's Rho regression.