Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) giant axonal neuropathy ?
    ### Response:
    Giant axonal neuropathy is an inherited condition involving dysfunction of a specific type of protein in nerve cells (neurons). The protein is essential for normal nerve function because it forms neurofilaments. Neurofilaments make up a structural framework that helps to define the shape and size of the neurons.
    