The recent study reported that besides of the above markers, EPCs expressed also VDR, and cells co-expressed CD34(+)/CD133(+/−)/KDR(+) and VDR seem to be influenced by uremia-related factors, including anemia, inflammation, diabetes, 25(OH)D serum levels and calcitriol therapy [17]. Here, PROM1 is linked to anemia (phenotype).