A functional polymorphism in the monoamine oxidase A gene promoter
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TLDR
A new polymorphism upstream of the gene for monoamine oxidase A, which consists of a 30-bp repeated sequence present in 3, 3.5, 4, or 5 copies, may be useful as both a functional and an anonymous genetic marker for MAOA.Abstract:
We describe a new polymorphism upstream of the gene for monoamine oxidase A (MAOA), an important enzyme in human physiology and behavior. The polymorphism, which is located 1.2 kb upstream of the MAOA coding sequences, consists of a 30-bp repeated sequence present in 3, 3.5, 4, or 5 copies. The polymorphism is in linkage disequilibrium with other MAOA and MAOB gene markers and displays significant variations in allele frequencies across ethnic groups. The polymorphism has been shown to affect the transcriptional activity of the MAOA gene promoter by gene fusion and transfection experiments involving three different cell types. Alleles with 3.5 or 4 copies of the repeat sequence are transcribed 2–10 times more efficiently than those with 3 or 5 copies of the repeat, suggesting an optimal length for the regulatory region. This promoter region polymorphism may be useful as both a functional and an anonymous genetic marker for MAOA.read more
Citations
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Association of MAOA-uVNTR Polymorphism with Subjective Well-Being in Men
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References
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Association of Anxiety-Related Traits with a Polymorphism in the Serotonin Transporter Gene Regulatory Region
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Jonathan Benjamin,Lin Li,Chavis Patterson,Benjamin D. Greenberg,Dennis L. Murphy,Dean H. Hamer +5 more
TL;DR: The relationship between DADR exon III sequence variants and personality test scores in a population of 315 mostly male siblings, other family members and individuals from the United States was investigated and the association between long alleles ofExon III and personality traits related to Novelty Seeking was confirmed.
Journal ArticleDOI
Aggressive Behavior and Altered Amounts of Brain Serotonin and Norepinephrine in Mice Lacking MAOA
Olivier Cases,Isabelle Seif,Joseph Grimsby,Patricia Gaspar,Kevin Chen,Sandrine Pournin,Ulrike Müller,Michel Aguet,Charles Babinet,Jean C. Shih,Edward De Maeyer +10 more
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