PMC9150775_01
A timeline of the patient's medical history and course of care. Hb, hemoglobin; LPR, leukocyte poor red blood cell; WRBC, washed red blood cell.
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F1
The efficiency of blood transfusion seemed not be good (Figure 1). Although hemoglobin level did not greatly improve, indirect bilirubin level evidently decreased (Figure 1).
Pedigree of the ABO phenotype and genotype of the proband and family members. The ABO phenotype is in bold (above), whereas the genotype is in plain text (below).   Male;   Female;    Carriers with O07 allele;   Samples not acquired;   The proband.
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F2
Pedigree blood investigation showed the proband's son, daughter and three grandsons were all typical O phenotype (Figure 2).
The results of gene sequence of the family in exon 6 and 7. (A) Gene sequence of the proband. (B) Gene sequence of his daughter and son. (C) Gene sequence of his grandson 1. (D) Gene sequence of his grandson 3.
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F3
O07 allele (Figure 3). O07 maybe play a vital role in B-cell lymphoma affecting the proband's ABO blood group.