Indian journal of human genetics · 2012
Molecular epidemiology of β-thalassemia in Pakistan: Far reaching implications.
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Ansari Saqib H, Shamsi Tahir S, Ashraf Mushtaq, Farzana Tasneem, Bohray Muneera, Perveen Kousar, Erum Sajida, Ansari Iqra, Ahmed Muhammad Nadeem, Ahmed Masood, Raza Faizan
Аннотация
BACKGROUND: β -Thalassaemia, an autosomal recessive hemoglobinopathy, is one of the commonest genetically transmitted disorders throughout the world. Collective measures including carrier identification, genetic counseling and prenatal diagnosis are required for preventing β-thalassemia.
AIM: To achieve this objective, Identification of the spectrum of genetic mutations, especially for various ethnic backgrounds in Pakistan. Therefore, we designed a cross sectional prospective study to identify the frequency of various gene mutations in different ethnic groups of Pakistan.
MATERIALS AND METHODS: Over a 5-year period, DNA from 648 blood samples {including specimens of chorionic villus sampling (CVS)} were analyzed for the twelve most common β-thalassemia mutations found in the Pakistani population by a Multiplex amplification refractory mutation system (ARMS). Each sample was analyzed for the mutation as well as the normal gene, appropriate with negative and positive controls, and reagent blanks.
RESULTS: Out of 648 samples mutations were identified in 640 (98.75%) samples by multiplex ARMS. 8 common β-thalassemia mutations were identified in 8 different ethnic groups accounting for 93.9% of the β-thalasemia alleles.
CONCLUSIONS: Based on the outcome of this study a cost effective proposal is formulated for detection of β-thalassemia mutations.
AIM: To achieve this objective, Identification of the spectrum of genetic mutations, especially for various ethnic backgrounds in Pakistan. Therefore, we designed a cross sectional prospective study to identify the frequency of various gene mutations in different ethnic groups of Pakistan.
MATERIALS AND METHODS: Over a 5-year period, DNA from 648 blood samples {including specimens of chorionic villus sampling (CVS)} were analyzed for the twelve most common β-thalassemia mutations found in the Pakistani population by a Multiplex amplification refractory mutation system (ARMS). Each sample was analyzed for the mutation as well as the normal gene, appropriate with negative and positive controls, and reagent blanks.
RESULTS: Out of 648 samples mutations were identified in 640 (98.75%) samples by multiplex ARMS. 8 common β-thalassemia mutations were identified in 8 different ethnic groups accounting for 93.9% of the β-thalasemia alleles.
CONCLUSIONS: Based on the outcome of this study a cost effective proposal is formulated for detection of β-thalassemia mutations.