Table 2.

Qualitative characteristics of primary WT and WT Xn

	Parent tumour	p-WT Xn	np-WT Xn
Histology	Tri-phasic	Tri-phasic, expanded blastema	Tri-phasic, blastema reduced, expended epithelia and stroma
Surface markers	Low/mid levels of NCAM and CD133	High levels of NCAM reduced levels of CD133	Reduced levels of NCAM
Proliferation markers	Low levels of KI-67/PCNA/proteosome	Elevated KI-67/PCNA/proteosome	Low levels of KI-67/PCNA/proteosome
Embryonic renal stem cell markers	Low/mid levels	Elevated	–