DRD4 7-repeat Polymorphism
The dopamine receptor D4 is a dopamine D2-like receptor, D2-like G protein-coupled receptor encoded by the gene on Chromosome 11 (human), chromosome 11 at 11p15.5. The structure of DRD4 has been reported in complex with the antipsychotic drug nemonapride. As with other dopamine receptor subtypes, the D4 receptor is activated by the neurotransmitter dopamine. It is linked to many neurological and psychiatric conditions including schizophrenia and bipolar disorder, ADHD, addictive behaviors, Parkinson's disease, and eating disorders such as anorexia nervosa. A weak association has been drawn between DRD4 and borderline personality disorder. It is also a target for drugs which treat schizophrenia and Parkinson's disease. The D4 receptor is considered to be dopamine receptor D2, D2-like in which the activated receptor inhibits the enzyme adenylate cyclase, thereby reducing the intracellular concentration of the second messenger cyclic AMP. Genetics The human protein is coded ...
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D2-like Receptor
The D2-like receptors are a subfamily of dopamine receptors that bind the endogenous neurotransmitter dopamine. The D2-like subfamily consists of three G-protein coupled receptors that are coupled to Gi/Go and mediate inhibitory neurotransmission Neurotransmission (Latin: ''transmissio'' "passage, crossing" from ''transmittere'' "send, let through") is the process by which signaling molecules called neurotransmitters are released by the axon terminal of a neuron (the presynaptic neuron ..., of which include D2, D3, and D4. For more information, please see the respective main articles of the individual subtypes: See also * D1-like receptor References Dopamine receptors {{transmembranereceptor-stub ...
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