U-99194 maleate has been used as a dopaminergic antagonist to study its effects on immobility episodes[1] and yawning frequency[2] in rats.
Actions biochimiques/physiologiques
U-99194 is a putative D3 antagonist with a 30-fold preference for the dopamine D3 vs. D2 receptor.
Caractéristiques et avantages
This compound is featured on the Dopamine Receptors page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.
Notes préparatoires
U-99194 maleate salt is soluble in water at a concentration >5 mg/ml.
Code de la classe de stockage
11 - Combustible Solids
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
Équipement de protection individuelle
Eyeshields, Gloves, type N95 (US)
Faites votre choix parmi les versions les plus récentes :
Journal of neural transmission. General section, 102(3), 209-220 (1995-01-01)
Compounds showing an in vitro binding preference for the dopamine D3 vs. D2 receptors were tested for effects on locomotor activity after local application in the nucleus accumbens (N Acc) and the ventral tegmental area (VTA) of the rat brain.
The taiep rat is a myelin mutant whose immobility episodes (IEs) can be caused by gripping them by the tail. Electroencephalographic recordings during IEs show a rapid-eye movement sleep-like pattern, similar to narcolepsy-cataplexy in canines. Systemic administration of alpha(2)-adrenoceptor agonists
Journal of neural transmission. General section, 94(1), 11-19 (1993-01-01)
We report on the pharmacological effects of the 20 fold D3 vs. D2 dopamine receptor preferring compound U99194A. It is shown that U99194A increases rat locomotor activity at doses that do not increase release or utilisation of dopamine in the
Pharmacology, biochemistry, and behavior, 102(1), 118-123 (2012-04-14)
Systemic administration of D2-like dopaminergic-receptor agonists increases yawning behavior. However, only a few studies have been done in animals with pathological conditions. The taiep rat is a myelin mutant with an initial hypomyelination followed by progressive demyelination, being the brainstem
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