Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the genetic changes related to fatty acid hydroxylase-associated neurodegeneration ?
    ### Response:
    Mutations in the FA2H gene cause FAHN. The FA2H gene provides instructions for making an enzyme called fatty acid 2-hydroxylase. This enzyme modifies fatty acids, which are building blocks used to make fats (lipids). Specifically, fatty acid 2-hydroxylase adds a single oxygen atom to a hydrogen atom at a particular point on a fatty acid to create a 2-hydroxylated fatty acid.
    