Retinoic acid receptor responder 2 pseudogene 4 (RARRES2P4)

RARRES2P4 is a processed pseudogene of the retinoic acid receptor responder 2 (RARRES2) gene[3][5]. Pseudogenes are DNA sequences that resemble functional genes but have lost their protein-coding ability or are otherwise no longer functional due to mutations[4][5][2]. Most pseudogenes, including RARRES2P4, are not transcribed into functional proteins and are not considered therapeutic targets. While some pseudogenes elsewhere in the genome have emerging regulatory functions, including acting as miRNA decoys or influencing gene expression[2][6], there is no specific evidence that RARRES2P4 has any such biological or disease-associated roles. It does not contribute to protein function, nor is it expected to interact with any drugs or serve as a biomarker. Additional context: - The existence of RARRES2P4 as a pseudogene is confirmed in genomic databases such as NCBI Gene and GeneCards[3][5]. - Its parent gene, RARRES2, encodes a secreted chemotactic protein known for roles in inflammation and immune signaling, but RARRES2P4 itself does not share these functions[1][3][5]. - Pseudogene annotations may sometimes be confused with functional genes if not carefully distinguished—RARRES2P4 is not a receptor, nor does it have a defined protein or signaling function. Summary: RARRES2P4 is a processed pseudogene, does not encode a functional product, and is not a drug target. No known drugs interact with it, and there is no evidence linking it to disease or biomarker status for therapy or diagnostics[3][4][5].