D-amino acid oxidase activator

D-amino acid oxidase activator (DAOA, also known as G72) is a protein enriched in various parts of brain, spinal cord, and testis. DAOA is thought to interact with D-amino acid oxidase, a peroxisomal enzyme, and its gene was associated with schizophrenia in a number of studies.[1][2] In separate studies it has been shown to confer susceptibility to bipolar disorder. Therefore, it has been important in researching whether the Kraepelinian dichotomy is genuine. The gene itself was discovered during an investigation of chromosomal 13q22-q34 region,[3] which was previously linked to schizophrenia. G72 is transcribed into several proteins due to alternative splicing; the longest protein is called LG72 and consists of 153 amino acids. Although the protein was initially found to interact with DAO in yeast 2-hybrid experiment, one recent in vivo experiment showed LG72 presence only in mitochondria and failed to confirm the interaction.[4]

D-amino acid oxidase activator
Identifiers
SymbolDAOA
Alt. symbolsG72, LG72, SG72
NCBI gene267012
HGNC21191
OMIM607408
RefSeqNM_172370
UniProtP59103
Other data
LocusChr. 13 q33.2

References
  1. Detera-Wadleigh SD, McMahon FJ (2006). "G72/G30 in schizophrenia and bipolar disorder: review and meta-analysis". Biol. Psychiatry. 60 (2): 106–14. doi:10.1016/j.biopsych.2006.01.019. PMID 16581030.
  2. Gene Overview of All Published Schizophrenia-Association Studies for DAOA Archived 2007-09-27 at the Wayback Machine, schizophreniaforum.org
  3. Chumakov I, Blumenfeld M, Guerassimenko O, Cavarec L, Palicio M, Abderrahim H, Bougueleret L, Barry C, Tanaka H, La Rosa P, Puech A, Tahri N, Cohen-Akenine A, Delabrosse S, Lissarrague S, Picard FP, Maurice K, Essioux L, Millasseau P, Grel P, Debailleul V, Simon AM, Caterina D, Dufaure I, Malekzadeh K, Belova M, Luan JJ, Bouillot M, Sambucy JL, Primas G, Saumier M, Boubkiri N, Martin-Saumier S, Nasroune M, Peixoto H, Delaye A, Pinchot V, Bastucci M, Guillou S, Chevillon M, Sainz-Fuertes R, Meguenni S, Aurich-Costa J, Cherif D, Gimalac A, Van Duijn C, Gauvreau D, Ouellette G, Fortier I, Raelson J, Sherbatich T, Riazanskaia N, Rogaev E, Raeymaekers P, Aerssens J, Konings F, Luyten W, Macciardi F, Sham PC, Straub RE, Weinberger DR, Cohen N, Cohen D, Ouelette G, Realson J (2002). "Genetic and physiological data implicating the new human gene G72 and the gene for D-amino acid oxidase in schizophrenia" (PDF). Proc. Natl. Acad. Sci. U.S.A. 99 (21): 13675–80. doi:10.1073/pnas.182412499. PMC 129739. PMID 12364586.
  4. Kvajo M, Dhilla A, Swor DE, Karayiorgou M, Gogos JA (2007). "Evidence implicating the candidate schizophrenia/bipolar disorder susceptibility gene G72 in mitochondrial function". Molecular Psychiatry. 13 (7): 685–696. doi:10.1038/sj.mp.4002052. PMID 17684499.

See also


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