Detection of alpha-globin gene disorders by a simple PCR methodology.

Abstract:

BACKGROUND:alpha thalassemias are very common in all thalassemic areas; however, complete knowledge of the phenotypic, genotypic and epidemiological features of these thalassemias has not yet been achieved for a number of reasons: the frequent absence of a thalassemic hematologic picture, the lack of a specific characteristic comparable to the Hb A2 increase for beta thalassemias, and the almost complete homology between the two alpha genes. METHODS AND RESULTS:A new set of PCR techniques, each based on primer(s) specific for a particular type of alpha globin gene disorder, has been devised in our laboratory. The procedures are simple, and non-radioactive. They lead to the identification of all alpha globin disorders common in the Mediterranean area [-alpha 3.7, -alpha 4.2, alpha Hphl, alpha Ncol, --MED, -(alpha)20.5, alpha alpha alpha anti3.7]. The electrophoretic patterns specific for the main alpha globin alterations as observed with this set of techniques, are presented. CONCLUSIONS:Owing to their advantageous properties, these techniques are suitable for precise molecular characterization of the numerous subjects selected through mass population screenings.

journal_name

Haematologica

journal_title

Haematologica

authors

Foglietta E,Deidda G,Graziani B,Modiano G,Bianco I

subject

Has Abstract

pub_date

1996-09-01 00:00:00

pages

387-96

issue

5

eissn

0390-6078

issn

1592-8721

journal_volume

81

pub_type

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