Table 1. Markers of RBC aging in... | American Society of Hematology

Table 1.

Markers of RBC aging in different RBC populations

	NRBCs							URBCs
	Very young	Young	Medium	Old	Young	Medium	Old	IRBCs
MCV	98.2 ± 0.5	92.5 ± 0.7	84.5 ± 0.1	81.2 ± 0.5	90.7 ± 0.4^*	84.7 ± 0.3^*	80.5 ± 0.5^*	98.2 ± 0.3^*
AchE, U/mg protein	5.6 ± 0.9	4.9 ± 1.2	4.4 ± 0.5	3.1 ± 0.9	4.6 ± 1.5^*	4.3 ± 1^*	3.2 ± 0.5^*	3.9 ± 1†
G6PDH, U/g Hb	5.5 ± 1	4.4 ± 0.8	3.6 ± 1	2.5 ± 0.6	NT	NT	NT	NT

	NRBCs							URBCs
	Very young	Young	Medium	Old	Young	Medium	Old	IRBCs
MCV	98.2 ± 0.5	92.5 ± 0.7	84.5 ± 0.1	81.2 ± 0.5	90.7 ± 0.4^*	84.7 ± 0.3^*	80.5 ± 0.5^*	98.2 ± 0.3^*
AchE, U/mg protein	5.6 ± 0.9	4.9 ± 1.2	4.4 ± 0.5	3.1 ± 0.9	4.6 ± 1.5^*	4.3 ± 1^*	3.2 ± 0.5^*	3.9 ± 1†
G6PDH, U/g Hb	5.5 ± 1	4.4 ± 0.8	3.6 ± 1	2.5 ± 0.6	NT	NT	NT	NT

AChE was assayed in RBC membranes, G6PDH in RBC hemolysate. Results are the mean (± SD) of 6 to 8 determinations. Data analyzed by paired t test: URBCs versus NRBCs of corresponding density; IRBCs versus very young NRBCs. Hb indicates hemoglobin; NT, not tested

Not significantly different

†

P < .01

View Large

This Feature Is Available To Subscribers Only