Affiliation:
1. Department of Pathology, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
2. Department of Pathology, Maha Chakri Sirindhorn Medical Center, Faculty of Medicine, Srinakharinwirot University, Nakhon Nayok, Thailand
Abstract
Abstract
Objective
To validate a novel rapid molecular testing method for differentiation of homozygous hemoglobin (Hb)E and HbE/β 0-thalassemia genotypes using multiplex melt curve combined with high-resolution melt (HRM) analysis in a single test tube.
Methods
All 10 genotypes contained (β N/β N; n = 95), (β N/β 3.5-kb; n = 71), (β N/β 45-kb; n = 28), (β N/β E; n = 10), (β E/β 3.5-kb; n = 6), (β E/β 45-kb; n = 4), (β E/β 41/42; n = 28), (β E/β 17; n = 9), (β E/β IVSI#1; n = 6), and (β E/β E; n = 76) were recruited for validation. A proposed strategy for rapid differentiation of β 0-thalassemia/HbE disease and homozygous Hb E in specimens with HbE greater than 80% and variable HbF levels was demonstrated.
Results
In the validation method, all genotypes showed 100% concordance, compared with the conventional reverse dot blot (RDB) and gap–polymerase chain reaction (PCR) methods.
Conclusions
Our newly developed method could be useful in routine laboratory settings. The method is rapid, simple, and cost effective; does not require a post-PCR step; and can be applied in routine settings.
Funder
Faculty of Medicine, Prince of Songkla University
Publisher
Oxford University Press (OUP)
Subject
Biochemistry, medical,Clinical Biochemistry
Cited by
4 articles.
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