Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the genetic changes related to collagen VI-related myopathy ?
    ### Response:
    Mutations in the COL6A1, COL6A2, and COL6A3 genes can cause the various forms of collagen VI-related myopathy. These genes each provide instructions for making one component of a protein called type VI collagen. Type VI collagen makes up part of the extracellular matrix that surrounds muscle cells and connective tissue.
    