Complex sentence: In addition to white matter disease, Nasu-Hakola causes development of bone cysts and is caused by mutations in the genes involved in the same colony stimulating factor (CSF) signaling pathway cascade as identified in HDLS.
Split into simpler sentences: In addition to white matter disease, Nasu-Hakola causes bone cysts. It is caused by mutations in the genes involved in the same colony stimulating factor (CSF) signaling pathway cascade as identified in HDLS.