ANKK1 influences the dopaminergic system which is important for mood regulation and reward mechanism. Variations in ANKK1 can affect dopamine metabolism and behaviors related to addiction and mental health. 

ANKK1 gene and Mood regulations

T-G-A2 haplotype is a specific combination of genetic variations/alleles found in DNA. Each letter represents a different variant of gene or DNA sequence. Haplotypes are important because they can be linked to certain traits or diseases. 

T-G-A2 haplotype 

A significant association was found between the T-G-A2 Haplotype of ANKK1 gene and suicidal behavior in alcohol-dependent individual. 

University of Minnesota

ANKK1 Gene is linked to several mental conditions, including addictions to alcohol, nicotine, and drugs, eating disorders, ADHD, and schizophrenia. 

ANKK1 Gene in psychiatry 

Jasiewicz, A., Samochowiec, A., Samochowiec, J., Małecka, I., Suchanecka, A., & Grzywacz, A. (n.d.). Suicidal behavior and haplotypes of the dopamine receptor gene (DRD2) and ANKK1 gene polymorphisms in patients with alcohol dependence – preliminary report. PLOS ONE. https://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0111798

Suicidal Behavior and Haplotypes of the Dopamine Receptor Gene (DRD2) and ANKK1 Gene Polymorphisms in Patients with Alcohol Dependence – Preliminary Report

ANKK1 gene and suicidal behavior

ANKK1 gene is associated with having difficulty identifying feelings, and people score higher on tests that measure how hard it is for them to recognize and describe their own emotions. 

ANKK1 and Alexithymia 

People with certain version of rs1800497 ( T allele) gene might have fewer dopamine receptor in their brain

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