Below is an instruction from Human. Write a response.
    ### Instruction:
    What causes Nonspherocytic hemolytic anemia due to hexokinase deficiency ?
    ### Response:
    What causes nonspherocytic hemolytic anemia due to hexokinase deficiency? Nonspherocytic hemolytic anemia due to hexokinase deficiency has been shown to be caused by mutations in the HK1 gene, which cause at least a partial deficiency of the enzyme hexokinase.
    