Below is an instruction from Human. Write a response.
    ### Instruction:
    What causes Charcot-Marie-Tooth disease type 2F ?
    ### Response:
    What causes Charcot-Marie-Tooth disease type 2F? Charcot-Marie-Tooth disease type 2F (CMT2F) is caused by mutations in the HSPB1 gene. This gene provides instructions for making a protein (heat shock protein beta-1) which helps protect cells under adverse conditions.
    