SNHG20 and ovarian carcinoma: In ovarian cancer, many SNHGs, including SNHG1, SNHG3, SNHG6, SNHG7, SNHG8, SNHG12, SNHG13, SNHG14, SNHG15, SNHG16, SNHG17, SNHG20, and SNHG22, are aberrantly highly expressed, while SNHG2, SNHG9, and SNHG10 are lowly expressed,15 the locations on chromosomes and some transcriptome structures of SNHGs are in Additional Figure 1.