Abstract：
:The inherited haemoglobinopathies are large group of disorders that include the thalassaemias and sickle cell disease. Carrier detection methods must be able to detect alpha-, beta- and deltabeta-thalassaemias, HPFH disorders and haemoglobin variants. Carrier diagnosis involves the accurate measurement of MCH, MCV, Hb A(2) and Hb F values in combination with an understanding of the haematological characteristics of the different types of thalassaemia genes and their interactions. The majority of the common thalassaemia mutations and abnormal haemoglobins can be identified by PCR-based techniques. The main applications of molecular analysis for carrier diagnosis are: the analysis of alpha-thalassaemia mutations by gap-PCR to discriminate between heterozygous alpha-thalassaemia and homozygous alpha-thalassaemia; the identification of beta-thalassaemia mutations for patients requiring prenatal diagnosis and for the prediction of the severity of the clinical phenotype of homozygous beta-thalassaemia; to discriminate between deltabeta-thalassaemia and HPFH deletions by gap-PCR.
journal_name
Blood Revjournal_title
Blood reviewsauthors
Old JMdoi
10.1016/s0268-960x(02)00061-9subject
Has Abstractpub_date
2003-03-01 00:00:00pages
43-53issue
1eissn
0268-960Xissn
1532-1681pii
S0268960X02000619journal_volume
17pub_type
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