Coiled-coil-helix-coiled-coil-helix domain containing 2 pseudogene 9 (CHCHD2P9)

CHCHD2P9, or coiled-coil-helix-coiled-coil-helix domain containing 2 pseudogene 9, is an annotated processed pseudogene with high sequence similarity to the mitochondrial protein CHCHD2. While current genomic databases (such as UniProt and GeneCards) do not confirm that CHCHD2P9 encodes a functional protein, recent research suggests its RNA transcripts are differentially expressed in glioma and correlate with more aggressive clinical outcomes. Silencing of CHCHD2P9 in glioma cell lines impairs proliferation, migration, and colony formation while increasing apoptosis, highlighting a pivotal role in tumor biology. Its putative involvement is through non-coding RNA-based regulation, possibly functioning as a ceRNA to modulate microRNA activity or affect the expression of protein-coding paralogs[1][2][3]. Preliminary evidence also suggests potential roles in neuronal differentiation and immune regulation, particularly within the tumor microenvironment. The current characterization of CHCHD2P9 as a therapeutic target is based on its transcriptional activity and regulatory effects, not classical receptor, enzyme, transporter, or transcription factor mechanisms[1][3].

Other names

Putative coiled-coil-helix-coiled-coil-helix domain-containing protein CHCHD2P9, mitochondrialCHCHD2P9C9orf49CHCHD9Coiled-coil-helix-coiled-coil-helix domain-containing 2 pseudogene 9

Not determined. Potential mechanisms may involve modulation of non-coding RNA effects or indirectly influencing the CHCHD2 pathway, but mechanism remains uncharacterized