SNHG3 and early-onset autosomal dominant Alzheimer disease: Small nucleolar RNA host gene 3 (SNHG3) is located on human chromosome 1p35.3 with a length of around 2.3 kb [104], which is involved in cellular proliferation, apoptosis and the development of various diseases, including cardiovascular diseases, different cancers, Alzheimer's disease, and ischemic stroke.