Fig. 1

Western blot results showing the relative expression of blood group A and B antigens in different tissues. The tissue samples included 88 samples from 15 blood group A donors and 49 samples from 8 blood group B donors. Research data are presented as the mean ± standard deviation. PV: portal vein, RA: renal artery; RV: renal vein; HA: hepatic artery; HV: hepatic vein; Renal: kidney tissue; Hepatica: liver tissue