P4HB antisense RNA 1 (P4HB-AS1)

P4HB antisense RNA 1 (P4HB-AS1) is a long non-coding RNA (lncRNA) that is transcribed antisense to the P4HB gene[7]. The functional characterization of P4HB-AS1 is limited; there are currently no clear reports directly linking it to therapeutic mechanisms, known interacting drugs, or explicitly defined roles in specific diseases[7]. As a non-coding RNA, its primary biological role is likely in the regulation of P4HB gene expression or transcript stability, possibly by antisense interaction, but this function is not specifically detailed or experimentally validated in the search results available[7][1]. Unlike its sense counterpart, P4HB, which encodes protein disulfide-isomerase and is involved in important cell and disease processes, P4HB-AS1 does not code for a protein and is not considered a direct therapeutic target[7][1].