N-Oct-3 is a protein belonging to a large family of transcription factors that bind to the octameric DNA sequence ATGCAAAT. Most of these proteins share a highly homologous region, referred to as the POU domain, which occurs in several mammalian transcription factors, including the octamer-binding proteins Oct1 (POU2F1; MIM 164175) and Oct2 (POU2F2; MIM 164176), and the pituitary protein Pit1 (PIT1; MIM 173110). Class III POU genes are expressed predominantly in the CNS. It is likely that CNS-specific transcription factors such as these play an important role in mammalian neurogenesis by regulating their diverse patterns of gene expression.
The POU3F2 protein associates with the Bipolar disorder. It is involved in the neocortex development in mice, and is linked to a single nucletide polymorphism, Rs1906252, that is associated with a cognitive phenotype: processing information speed.
Chromosome 6q16.1 deletions resulting in loss of one copy of POU3F2 have been shown to cause a human syndrome of susceptibility to obesity and variable levels of developmental delay and Intellectual Disability.
^Mühleisen TW, Leber M, Schulze TG, Strohmaier J, Degenhardt F, Treutlein J, et al. (2014). "Genome-wide association study reveals two new risk loci for bipolar disorder". Nature Communications. 5: 3339. doi:10.1038/ncomms4339. PMID24618891.
^Waragai M, Lammers CH, Takeuchi S, Imafuku I, Udagawa Y, Kanazawa I, Kawabata M, Mouradian MM, Okazawa H (June 1999). "PQBP-1, a novel polyglutamine tract-binding protein, inhibits transcription activation by Brn-2 and affects cell survival". Human Molecular Genetics. 8 (6): 977–87. doi:10.1093/hmg/8.6.977. PMID10332029.
He X, Treacy MN, Simmons DM, Ingraham HA, Swanson LW, Rosenfeld MG (July 1989). "Expression of a large family of POU-domain regulatory genes in mammalian brain development". Nature. 340 (6228): 35–41. doi:10.1038/340035a0. PMID2739723.
Eisen T, Easty DJ, Bennett DC, Goding CR (November 1995). "The POU domain transcription factor Brn-2: elevated expression in malignant melanoma and regulation of melanocyte-specific gene expression". Oncogene. 11 (10): 2157–64. PMID7478537.
Atanasoski S, Toldo SS, Malipiero U, Schreiber E, Fries R, Fontana A (March 1995). "Isolation of the human genomic brain-2/N-Oct 3 gene (POUF3) and assignment to chromosome 6q16". Genomics. 26 (2): 272–80. doi:10.1016/0888-7543(95)80211-4. PMID7601453.
Thomson JA, Murphy K, Baker E, Sutherland GR, Parsons PG, Sturm RA, Thomson F (August 1995). "The brn-2 gene regulates the melanocytic phenotype and tumorigenic potential of human melanoma cells". Oncogene. 11 (4): 691–700. PMID7651733.
Atanasoski S, Schreiber E, Fontana A, Herr W (March 1997). "N-Oct 5 is generated by in vitro proteolysis of the neural POU-domain protein N-Oct 3". Oncogene. 14 (11): 1287–94. doi:10.1038/sj.onc.1200953. PMID9178889.
Petersenn S, Rasch AC, Heyens M, Schulte HM (February 1998). "Structure and regulation of the human growth hormone-releasing hormone receptor gene". Molecular Endocrinology. 12 (2): 233–47. doi:10.1210/me.12.2.233. PMID9482665.
Kuhlbrodt K, Herbarth B, Sock E, Enderich J, Hermans-Borgmeyer I, Wegner M (June 1998). "Cooperative function of POU proteins and SOX proteins in glial cells". The Journal of Biological Chemistry. 273 (26): 16050–7. doi:10.1074/jbc.273.26.16050. PMID9632656.
Waragai M, Lammers CH, Takeuchi S, Imafuku I, Udagawa Y, Kanazawa I, Kawabata M, Mouradian MM, Okazawa H (June 1999). "PQBP-1, a novel polyglutamine tract-binding protein, inhibits transcription activation by Brn-2 and affects cell survival". Human Molecular Genetics. 8 (6): 977–87. doi:10.1093/hmg/8.6.977. PMID10332029.
Smit DJ, Smith AG, Parsons PG, Muscat GE, Sturm RA (November 2000). "Domains of Brn-2 that mediate homodimerization and interaction with general and melanocytic transcription factors". European Journal of Biochemistry / FEBS. 267 (21): 6413–22. doi:10.1046/j.1432-1327.2000.01737.x. PMID11029584.