Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Chorea-acanthocytosis ?
    ### Response:
    What are the signs and symptoms of Chorea-acanthocytosis? Chorea-acanthocytosis affects movement in many parts of the body. Chorea refers to the involuntary jerking movements made by people with this disorder. People with this condition also have abnormal star-shaped red blood cells (acanthocytosis).
    