Below is an instruction from Human. Write a response.
    ### Instruction:
    What causes Hypolipoproteinemia ?
    ### Response:
    What causes familial or genetic hypolipoproteinemia? Cholesterol levels in general are thought to be influenced by genetic factors. Very low levels of lipids (hypolipoproteinemia) is known to be caused by certain genetic conditions, including hypobetalipoproteinemia, abetalipoproteinemia, and chylomicron retention disease.
    