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  • Title: Heterozygous Hb Hope [beta136(H14)Gly --> Asp] in association with heterozygous beta0-thalassemia with apparent homozygous expression, in a Spanish patient.
    Author: Beneitez D, Carrera A, Duran-Suárez JR, Paz V, León A, García Talavera J.
    Journal: Hemoglobin; 2006; 30(1):45-9. PubMed ID: 16540415.
    Abstract:
    Hb Hope [beta136(H14)Gly --> Asp (GGT --> GAT)] has been found alone or in combination with other globin gene mutations in several African-American families, as well as in Japanese, Thai, Laotian, Cuban and Mauritanian families. We report the hematological and molecular characteristics of a heterozygous association of Hb Hope with beta0-thalassemia (thal) in a Spanish patient, in whom the level of expression of abnormal hemoglobin (Hb) by cation exchange high performance liquid chromatography (HPLC) and electrophoresis suggested initially a homozygous expression of the abnormal Hb, although sequencing of the polymerase chain reaction (PCR)-amplified beta-globin gene demonstrated a heterozygous genotype for Hb Hope. To the best of our knowledge, this is the first description of a case of Hb Hope in a Spanish family.
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