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Background:Beta thalassaemia is one of the commonestgenetic conditionsin the world.More than 200 different mutations have been reported in the beta globin chain genes. Notably, regional and ethnic variations in most common mutations in beta-thalassaemia have been identified. It is therefore imperative that region-and ethnicity-specific commonest mutations be identified for cost-effective molecular diagnosis of β-thalassaemia mutations. The objectiveof this study was to determine the molecular mutations in β-globin chain gene in patients with thalassemia in Khyber Pakhtunkhwa (KP) using multiplex-Amplification Refractory Mutation System (ARMS) PCR. Methods:It was a cross sectional descriptive study. Blood samples from newly diagnosed β thalassemia patients was collected and used as source for DNA isolation. ARMS PCR was performed for detection of mutations in β-globin gene. SDS-PAGE was conducted for visualization of the amplicon. Results: Prominent mutations were Fr 8-9 (+G), CD 5 (-CT) and Fr 41-42 (-TTCT). Congenital marriages and lack of awareness are largest contributing factor for increasing the disease burden. Organomegaly being a serious clinical complication which contributes to morbidity was proportional to age and disease progression.Fr 8-9 (+G) & CD 5 (-CT) werethe most frequent mutation prevalent among different ethnic groups residing in KP.Conclusions: Multiplex-ARMS PCR is capable of assessing for multiple mutations in a single tube. Regional-and ethnic-variations in the commonest mutations in KP are noted. Any mutational diagnostic strategy should consider costs and genetic variations in a particular setting.
Yasar Mehmood Yousafzai, Yasar Mehmood Yousafzai, Ibrahim Rashid, Suhaib Ahmed, Asif Ali, Sadia Fatima, Jawad Ahmed. (2019) MUTATIONAL ANALYSIS OF BETA THALASSAEMIA BY MULTIPLEX ARMS-PCR IN KHYBER PAKHTUNKHWA,PAKISTAN, JOURNAL OF AYUB MEDICAL COLLEGE ABBOTTABAD, Volume 31, Issue 1.
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