Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the genetic changes related to familial encephalopathy with neuroserpin inclusion bodies ?
    ### Response:
    FENIB results from mutations in the SERPINI1 gene. This gene provides instructions for making a protein called neuroserpin, which is found in nerve cells (neurons). Neuroserpin plays a role in the development and function of the nervous system. This protein helps control the growth of neurons and their connections with one another, which suggests that it may be important for learning and memory.
    