GATA1 mutations in red cell disorders

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  • Te Ling
    Division of Hematology/Oncology Northwestern University Chicago Illinois
  • John D. Crispino
    Division of Hematology/Oncology Northwestern University Chicago Illinois

説明

<jats:title>Abstract</jats:title><jats:p>GATA1 is an essential regulator of erythroid cell gene expression and maturation. In its absence, erythroid progenitors are arrested in differentiation and undergo apoptosis. Much has been learned about GATA1 function through animal models, which include genetic knockouts as well as ones with decreased levels of expression. However, even greater insights have come from the finding that a number of rare red cell disorders, including Diamond–Blackfan anemia, are associated with <jats:italic>GATA1</jats:italic> mutations. These mutations affect the amino‐terminal zinc finger (N‐ZF) and the amino‐terminus of the protein, and in both cases can alter the DNA‐binding activity, which is primarily conferred by the third functional domain, the carboxyl‐terminal zinc finger (C‐ZF). Here we discuss the role of GATA1 in erythropoiesis with an emphasis on the mutations found in human patients with red cell disorders.</jats:p>

収録刊行物

  • IUBMB Life

    IUBMB Life 72 (1), 106-118, 2019-10-25

    Wiley

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