Below is an instruction from Human. Write a response.
    ### Instruction:
    What causes Liddle syndrome ?
    ### Response:
    What causes Liddle syndrome? Liddle syndrome is caused by mutations (changes) in either of two genes: SCNN1B and SCNN1G . The SCNN1B gene provides instructions for making one piece (the beta subunit) of protein complexes called epithelial sodium channels (ENaCs).
    