RP5-1104E15.6-001, also known as TapSAKI (Transcript Predicting Survival in AKI), is an intronic lncRNA originating from the RP5-1104E15.6 gene (located on chromosome 22) that runs antisense to β-1,4-mannosyl-glycoprotein 4-β-N-acetyl glucosaminyl transferase (MGAT3). The gene discussed is MGAT3-AS1; the disease is acute kidney injury.