RASSF1-AS1 and neoplasm: An endogenous unspliced antisense lncRNA named ANRASSF1 has been detected as transcribed from intronic regions at the opposite strand in the tumour-suppressor RASSF1A [Ras association (RalGDS/AF-6) domain family member 1 isoform A] 3p21.3 gene locus in several human cell lines [70].