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Related Experiment Videos

The structural analysis of hemoglobin Handsworth

Z Liang, H Tao, G Zhang

    Scientia Sinica. Series B, Chemical, Biological, Agricultural, Medical & Earth Sciences
    |January 1, 1982
    PubMed
    Summary

    Structural analysis identified an abnormal alpha-chain hemoglobin variant, Hemoglobin Handsworth, in a Chinese woman. This finding details a specific genetic mutation affecting oxygen transport.

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    Area of Science:

    • Hematology
    • Molecular Biology
    • Genetics

    Background:

    • Hemoglobin variants can arise from mutations in globin genes, potentially affecting oxygen transport and red blood cell function.
    • Alpha-chain hemoglobinopathies are a diverse group of genetic disorders impacting hemoglobin structure and function.

    Observation:

    • An abnormal alpha-chain hemoglobin variant was identified in a patient from the Hechi district, Guangxi, China.
    • The variant was detected through structural analysis of the patient's hemoglobin.

    Findings:

    • The identified abnormal hemoglobin variant is Hemoglobin Handsworth (alpha 18(A16) Gly leads to Arg).
    • This specific mutation involves a glycine to arginine substitution at position 18 of the alpha-globin chain.

    Implications:

    • Characterizing novel hemoglobin variants like Hemoglobin Handsworth is crucial for understanding genotype-phenotype correlations.
    • This discovery contributes to the growing database of hemoglobinopathies and their geographic distribution.
    • Further research may elucidate the clinical significance and physiological impact of this specific alpha-chain variant.

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