Table 2. Intracellular calcein... | American Society of Hematology

Table 2.

Intracellular calcein fluorescence, estimated calcein, and labile iron (Fe²⁺) values in erythrocytes

Erythrocyte hemoglobin genotype	Absolute fluorescence, au	Fractional rise in fluorescence, ΔF	RBC calcein [CA]t, μM	Erythrocyte labile iron (II), μM
HbSS RBC, n = 29	38.70 ± 23.30†	0.22 ± 0.08‡	2.03 ± 1.02§	0.56 ± 0.35§
HbSC, Sβthal RBC, n = 5	36.55 ± 9.17†	0.26 ± 0.05^*	2.71 ± 0.55	0.81 ± 0.24†
HbAS RBC, n = 7	34.14 ± 13.44†	0.30 ± 0.13	3.02 ± 1.23	1.09 ± 0.70
HbAA RBC, n = 17	55.50 ± 27.13	0.32 ± 0.11	3.24 ± 1.12	1.25 ± 0.65

Erythrocyte hemoglobin genotype	Absolute fluorescence, au	Fractional rise in fluorescence, ΔF	RBC calcein [CA]t, μM	Erythrocyte labile iron (II), μM
HbSS RBC, n = 29	38.70 ± 23.30†	0.22 ± 0.08‡	2.03 ± 1.02§	0.56 ± 0.35§
HbSC, Sβthal RBC, n = 5	36.55 ± 9.17†	0.26 ± 0.05^*	2.71 ± 0.55	0.81 ± 0.24†
HbAS RBC, n = 7	34.14 ± 13.44†	0.30 ± 0.13	3.02 ± 1.23	1.09 ± 0.70
HbAA RBC, n = 17	55.50 ± 27.13	0.32 ± 0.11	3.24 ± 1.12	1.25 ± 0.65

Results are mean ± standard deviation. au indicates arbitary units.

P < .1 compared with Hb AA group.

P < .05 compared with HbAA group.

P < .01 compared with HbAA group.

P < .001 compared with HbAA group.