SNAR-D: SNAR-D is a small non-coding RNA located on chromosome 19q13.33, which is a genomic region frequently gained in hepatocellular carcinoma (HCC) and non-tumor (NT) samples [PMC7863452]. SNAR-D is one of several small non-coding RNAs, including SNAR-A3, SNAR-B2, SNAR-H, SNAR-I, and SNAR-G2, that showed significant upregulation in GE2-HCC [PMC7863452]. Human and chimpanzee snaRs share sequence identity upstream and downstream of their genes, except for SNAR-D and -E [PMC2094060]. The genes for snaRs D, E, and F are located at varying distances outside the two clusters on chromosome 19 [PMC2094060]. Unlike other snaRs, SNAR-D does not share 5′-flanking sequence with other snaRs [PMC2094060]. The outliers in the snaR family include five unique genes on chromosome 19 as well as single copies on chromosomes 2 and 3 [PMC2094060]. In gene expression analysis of KNbO3 exposed series, the transcript for Small NF90 (ILF3) Associated RNA D (SNAR-D) was not found at the chosen level of expression [PMC9405746]. In addition to KNbO3 exposed series analysis results, several other transcripts were not recognized by Ensembl including FAM74A4, RNA28S5, SNAR-A3, SNAR-B2 and THC2526015 [PMC9405746].