Eur J Hum Genet. 2014 Jul 23. doi: 10.1038/ejhg.2014.131. [Epub ahead of print]
EMQN Best Practice Guidelines for molecular and haematology methods for carrier identification and prenatal diagnosis of the haemoglobinopathies.
Traeger-Synodinos J1, Harteveld CL2, Old JM3, Petrou M4, Galanello R5, Giordano P2, Angastioniotis M6, De la Salle B7, Henderson S3, May A8.
Haemoglobinopathies constitute the commonest recessive monogenic disorders worldwide, and the treatment of affected individuals presents a substantial global disease burden. Carrier identification and prenatal diagnosis represent valuable procedures that identify couples at risk for having affected children, so that they can be offered options to have healthy offspring. Molecular diagnosis facilitates prenatal diagnosis and definitive diagnosis of carriers and patients (especially 'atypical' cases who often have complex genotype interactions). However, the haemoglobin disorders are unique among all genetic diseases in that identification of carriers is preferable by haematological (biochemical) tests rather than DNA analysis. These Best Practice guidelines offer an overview of recommended strategies and methods for carrier identification and prenatal diagnosis of haemoglobinopathies, and emphasize the importance of appropriately applying and interpreting haematological tests in supporting the optimum application and evaluation of globin gene DNA analysis.European Journal of Human Genetics advance online publication, 23 July 2014; doi:10.1038/ejhg.2014.131.
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