Urine-derived stem/progenitor cells: A focus on their characterization and potential

Table 1 Summary of human urine-derived stem cell phenotype

Marker	Percentage of expression, %	Ref.
Embryonic stem cell markers
c-Myc	[+]	[23]
SSEA4	[+++]	[24,29]
	[++++]	[12,23,27,28,30,31]
TRA-1-60	[-]	[23]
	[+]	[27]
TRA-1-81	[+]	[23,27,29]
Hematopoietic stem cell markers
CD11b	[-]	[23]
CD14	[-]	[15,23,27,29]
CD19	[-]	[23,29]
CD34	[-]	[12,13,15,18-20,22-24,28,29,32,33]
CD45	[-]	[12,13,18,19,22-24,28,29,31,33]
CD117	[-]	[12,15,19,24,28]
	[++++]	[27]
Mesenchymal stem cell markers
CD24	[+++]	[27]
	[++++]	[20,27,30-32]
CD44	[++++]	[12,13,15,19,20,22-24,28-33]
CD73	[++++]	[12,13,15,19,20,22-24,27-33]
CD90	[+]	[18,27]
	[++]	[12,29]
	[+++]	[19,23,24,28]
	[++++]	[13,15,20,22,28,30-33]
CD105	[-]	[27,31]
	[+]	[22]
	[++]	[12,24,30]
	[+++]	[18,23]
	[++++]	[15,19,20,28,29,32]
CD133	[-]	[12,15,20,22,33]
	[++]	[20]
	[+++]	[27]
	[++++]	[27]
Collagen I	[++++]	[15]
SRTO-1	[-]	[12,23,30]
	[+]	[31]
VIM	[++++]	[15,20,27]
Endothelial/adhesion markers
CD29	[++++]	[13,20,22,23,29-33]
CD31	[-]	[12,19,23,29-32,34]
CD166	[++++]	[18,23]
Immunogen markers
CMH-I	[+]	[28]
	[+++]	[29]
	[++++]	[23]
CMH-II	[-]	[18,22-24,28,29,33]
Kidney markers
AQP1	[++++]	[20]
AQP2	[-]	[20]
	[++]	[20]
CD13	[++++]	[18,23,29]
CD54	[+++]	[18]
	[++++]	[23]
CD224	[++++]	[23]
Pax8	[-]	[23]
NPHS1	[-]	[20]
	[++]	[20]
NR3C2	[++++]	[23]
SLC12A1	[-]	[20]
	[++]	[20]
UMOD	[-]	[20]
	[++]	[20]
Pericyte markers
CD140b	[-]	[19,23]
	[+]	[32]
CD146	[++++]	[12,19,23,29-32]
NG2	[-]	[19,23,32]
Other markers
KRT18	[-]	[20]
	[++]	[20]

[-]: 0-10%; [+]: 10%-30%; [++]: 30%-50%; [+++]: 50%-80%; [++++]: 80%-100% of expression.