Below is an instruction from Human. Write a response.
    ### Instruction:
    What causes Inclusion body myopathy 2 ?
    ### Response:
    What causes inclusion body myopathy 2? Inclusion body myopathy 2 is caused by mutations in the GNE gene. The GNE gene provides instructions for making an enzyme responsible for making sialic acid, a simple sugar that attaches to the ends of more complex molecules on the surface of cells.
    