Figure 3 Isoelectric focusing gel electrophoresis of a control subject, cord blood, and the patient with Hb Takamatsu. Lane 1, electrophoretic pattern of control subject; lane 2, electrophoretic pattern of Hb Takamatsu; lane 3, electrophoretic pattern of cord blood. Abnormal haemoglobin migrating faster than HbA1 is indicated by HbX.