Quinpirole (LY 171555, (-)-LY 141865) is a D2/D3 dopamine receptor agonist and a CaV1.3 calcium channel modulator. Quinpirole normalizes dendritic spine density in dopamine-depleted striatum, upregulates the protein expression of BCL2 and GluR2, downregulates the protein expression of BAX, and delays the onset of seizures. Quinpirole enhances learning and memory, inhibits neuronal apoptosis (apoptosis), and induces anxiety-like, stereotyped, and compulsive behaviors. Quinpirole disrupts prepulse inhibition in rhesus monkeys, enhances the activity of paraventricular thalamic neurons to promote recovery from Isoflurane anesthesia, and alters the composition of the gut microbiota in rats. Quinpirole can be used in research related to dyskinesia, pain, epilepsy, and neurological disorders including anxiety disorder, obsessive-compulsive disorder, and schizophrenia[1][2][3][4][5][6][7][8].
