Ribosomal protein SA pseudogene 42 (RPSAP42)

The molecule named "ribosomal protein SA pseudogene 42" (RPSAP42) is most accurately described as a pseudogene related to the ribosomal protein SA gene (RPSA), not as an active protein or established therapeutic target. RPSAP42 is a processed pseudogene associated with the RPSA gene, which encodes ribosomal protein SA, also known as the 37-kDa laminin receptor precursor or 67-kDa laminin receptor (LRP/LR)[1][3][5]. Pseudogenes such as RPSAP42 arise from retropositional events and generally do not encode functional proteins. The RPSA gene itself has one functional full-length copy and numerous pseudogenes in humans and other species. Unlike the functional RPSA gene, which encodes a ribosomal protein and acts as a cell-surface receptor involved in translation, cell adhesion, cancer, prion diseases, and infection, RPSAP42 and other pseudogenes lack coding potential for protein, are generally not involved in direct biological or disease processes, and are not considered relevant for pharmacological intervention or biomarker use[3][5]. There is no evidence that any of these pseudogenes, including RPSAP42, serve as druggable targets, functional receptors, or enzymes[3][5]. There is also no established biological function or disease role for RPSAP42, nor are there known interacting drugs, mechanisms of drug action, biomarker uses, or safety concerns associated with this pseudogene[1][3][5]. Some RPSA pseudogenes may be transcribed as non-coding RNAs, but functional significance is either unknown or unproven[3]. Because RPSAP42 does not encode a functional protein and is not a documented therapeutic target, it is considered not a therapeutic target, and listing it as one is incorrect. In summary, RPSAP42 is a pseudogene, not a targetable molecule, with no evidence of encoding a protein, being druggable, having disease associations, or pharmacological relevance[1][3][5].

Other names

RPSA_18_761RPSAP42