Detection of the common Hb F Sardinia [A gamma (E19)Ile----Thr] variant by isoelectric focusing in normal newborns and in adults affected by elevated fetal hemoglobin syndromes.

Abstract excerpt

A simple and rapid conventional isoelectric focusing technique for the detection of the silent Hb F Sardinia variant, containing the mutated A gamma T chain, is described. The method is based on thin-layer gels of shallow pH gradient (pH 6.7-7.7) and allows the direct detection of this rather common and widespread Hb variant at a screening level. 15-30 hemolysates from newborns and adults affected by elevated Hb...

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