PNISR antisense RNA 1 (PNISR-AS1)

PNISR antisense RNA 1 (PNISR-AS1) is a long noncoding RNA transcribed antisense to the *PNISR* gene. Like other antisense lncRNAs, it is presumed to regulate the expression of its sense gene and possibly other loci through mechanisms such as epigenetic modification, recruitment of chromatin modifiers, or direct base pairing with mRNA. Antisense lncRNAs are increasingly recognized for their diverse roles in gene silencing, imprinting, and RNA stability regulation, particularly in cancer and developmental processes. While no PNISR-AS1-specific role has been characterized to date, it may participate in the regulation of gene expression in a manner analogous to other antisense RNAs[1][3].