CD22 and hemoglobinopathy: An Hb Q-Thailand/-α4.2 hemoglobinopathy induced by α-globin gene mutation was identified in 141 cases, and five other types of hemoglobinopathies induced by β-globin gene mutation were detected, including Hb New York (CD113(GTG > GAG)), Hb J-Bangkok (CD56(GGC > GAC)), Hb G-Taipei (CD22(GAA > GGA)), Hb G-Coushatta (CD22(GAA > GCA)) and Hb Maputo (CD47(GAT > TAT)).