Dopamine receptors are specialized proteins located on the surface of cells in the brain and other parts of the body. They bind to the neurotransmitter dopamine, which plays a crucial role in regulating mood, motivation, and reward. There are several types of dopamine receptors, classified mainly into two families: D1-like and D2-like receptors, each with distinct functions and effects on neuronal activity.
These receptors are essential for various physiological processes, including movement, cognition, and emotional responses. Dysregulation of dopamine receptors is associated with several mental health disorders, such as schizophrenia and depression, as well as conditions like Parkinson's disease, highlighting their importance in both health and disease.