Allele-Specific Amplification for the Identification of Several Hemoglobin Variants
- 1 January 1993
- journal article
- research article
- Published by Taylor & Francis in Hemoglobin
- Vol. 17 (5) , 439-452
- https://doi.org/10.3109/03630269308997498
Abstract
Eight known abnormal hemoglobins in more than 40 patients have been identified with an allele-specific amplification procedure. These are mutants of the A gamma (Hb F-Sardinia), the delta (Hb B2), the alpha (Hb G-Philadelphia), and the beta (Hbs S, C, E, D-Los Angeles, O-Arab) globin genes. Adjustment to an unusually high annealing temperature improves the procedure greatly, allowing excellent discrimination between normal and mutant alleles, irrespective of the particular mismatch. The discrimination includes the Hbs C and E in the same reaction mixture-multiplex allele-specific amplification. The procedure can successively use primers with 3'-penultimate critical nucleotides, degenerative ends, and potentially dimerizing properties.Keywords
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