Determining a critical threshold for G6PD activity below which red blood cell response to oxidative stress is poor

Table 1 G6PD enzyme activity and proportion of normal RBC in CuCl-treated RBC model

CuCl concentration (mM)	G6PD activity^a (U/g Hb)	G6PD activity (%)	Normal RBC (%)
0	6.72 ± 0.48	100	100
0.2	5.62 ± 0.18	80	89
0.4	3.77 ± 0.11	60	43
0.6	2.81 ± 0.02	50	34
0.8	2.34 ± 0.07	40	26
1	1.81 ± 0.25	30	25
1.5	1.30 ± 0.27	20	11
2	0.68 ± 0.06	10	12

ISSN: 1475-2875