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  1. NTU Scholars
  2. 工學院
  3. 醫學工程學研究所
Please use this identifier to cite or link to this item: https://scholars.lib.ntu.edu.tw/handle/123456789/464852
Title: Molecular assay of -α3.7 and -α4.2 deletions causing α-thalassemia by denaturing high-performance liquid chromatography
Authors: Hung C.-C.
CHIEN-NAN LEE 
Chen C.-P.
Jong Y.-J.
WU-SHIUN HSIEH 
Win-Li Lin 
Su Y.-N.
Hsu S.-M.
Issue Date: 2007
Journal Volume: 40
Journal Issue: 11
Start page/Pages: 817-821
Source: Clinical Biochemistry
Abstract: 
Objectives: α-Thalassemia, the most common single gene disorder in humans, is due to the absence of one (-α/αα) or both (--/αα) of the two functional α-globin genes (α1 and α2). The -α3.7 and -α4.2 single gene deletions are common in Southeast Asian populations. Southern blotting analysis and gap PCR assay are commonly used for the detection of such α-thalassemia genotypes. The two genes are located on chromosome 16, with high homology (> 96%). Design and methods: Based on the sequence variation within the two Z boxes, a denaturing high-performance liquid chromatography (DHPLC)-based assay was developed for rapid genotyping of the -α3.7 and -α4.2 alleles. To demonstrate the utility of this approach, 40 DNA samples with known genotypes were analyzed, including -α3.7/αα (7 cases), -α4.2/αα (4 cases), -α3.7/--SEA (6 cases), -α4.2/--SEA (3 cases), and 20 unaffected subjects (αα/αα). Results: We successfully distinguished all of the α-thalassemia genotypes through their characteristic chromatograms of α1 and α2 genes. The accuracy of this technique for our sample was 100% sensitivity and specificity. Conclusion: This novel and alternative DHPLC-based α-thalassemia genotype assay is easy, rapid, and highly accurate. This technique enables the diagnosis of silent α+ thalassemia and hemoglobin H disease for large scale population screening. ? 2007 The Canadian Society of Clinical Chemists.
URI: https://scholars.lib.ntu.edu.tw/handle/123456789/464852
ISSN: 0009-9120
DOI: 10.1016/j.clinbiochem.2007.03.018
SDG/Keyword: alpha globulin; DNA; allele; alpha thalassemia; article; chromatography; chromosome 16; controlled study; denaturing high performance liquid chromatography; gene deletion; gene function; gene location; gene sequence; genetic analysis; genetic variability; genotype; human; nucleotide sequence; polymerase chain reaction; population genetics; priority journal; sensitivity and specificity; sequence homology; Southeast Asia; Southern blotting; alpha-Thalassemia; Base Sequence; Chromatography, High Pressure Liquid; Gene Deletion; Genotype; Humans; Molecular Sequence Data; Nucleic Acid Denaturation
[SDGs]SDG3
Appears in Collections:醫學工程學研究所

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臺大位居世界頂尖大學之列,為永久珍藏及向國際展現本校豐碩的研究成果及學術能量,圖書館整合機構典藏(NTUR)與學術庫(AH)不同功能平台,成為臺大學術典藏NTU scholars。期能整合研究能量、促進交流合作、保存學術產出、推廣研究成果。

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