SNHG1 and posterior cortical atrophy: Latest reports indicated that lncRNA nucleolar small molecule RNA host gene 1 (SNHG1) is located on chromosome 11 and is abnormally overexpressed in a variety of tumor tissue and can accelerate the cell proliferation in lung cancer (16), liver cancer (17), gastric cancer (18), esophageal cancer (19) and PCa cells (20).