High mobility group AT-hook 1 pseudogene 3 (HMGA1P3)

High mobility group AT-hook 1 pseudogene 3 (HMGA1P3) is a processed pseudogene found exclusively in the human genome that shares high sequence homology with the HMGA1 gene, which encodes the chromatin-associated HMGA1a and HMGA1b proteins involved in transcription regulation and genome structure. HMGA1P3 differs slightly from HMGA1 in sequence, notably lacking the C-terminal acidic tail present in HMGA1 proteins. While classified as a non-coding RNA, its translational potential is debated, with evidence that it might be able to translate into a truncated protein similar to HMGA1. Chromosomal regions containing HMGA1 pseudogenes, including HMGA1P3, are associated with increased chromosomal breakpoints in certain benign tumors, suggesting a potential role for pseudogene-derived regulatory mechanisms in cancer biology and genome rearrangement. However, HMGA1P3 itself is not a classical receptor, enzyme, or therapeutic target, and no drugs or clinical biomarkers are currently linked to it. There is no evidence of HMGA1P3 serving as a therapeutic target, and most sources classify it as a pseudogene rather than an active gene or protein. Its biological role is mainly inferred from its similarity and possible regulatory activity related to HMGA1 rather than direct evidence of function. Its nomenclature and context are well established and correct.

Other names

HMGA1P3HMGIYL3

Not applicable (no known drugs target or modulate HMGA1P3 function)