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Creating Dynamic Images of Short-lived Dopamine Fluctuations with lp-ntPET: Dopamine Movies of Cigarette Smoking
Published on: August 6, 2013
Classical dopamine agonists
1Antaxios GmbH, Zum Weiher 44, 14552, Wildenbruch, Germany. r.horowski@aramon.de.
Abstract:
The pioneering work of Arvid Carlsson has laid the foundation for a number of innovative therapies for severe central nervous system (CNS) diseases. He was awarded the Nobel Price for the discovery of the crucial role of dopamine (DA) as a neurotransmitter in the CNS, thereby forming the basis for the symptomatic therapy of Parkinson's disease (PD) with L-DOPA and subsequently dopaminergic drugs. Parenteral apomorphine has a short lasting effect in PD, bromocriptine can be administered orally and has a long-lasting effects but is poorly tolerated. Lisuride on the other hand has a high affinity to DA receptors and can be administered orally, parenterally or via the transdermal route of administration. Last but not least Carlsson developed the concepts of presynaptic effects of DA agonists as well as DA partial agonism potentially innovative mechanisms for treatment of PD and schizophrenia.
Insights
Arvid Carlsson
Area of Science:
- Neuroscience
- Pharmacology
- Neurology
Background:
- Pioneering research by Arvid Carlsson established dopamine (DA) as a key neurotransmitter.
- This discovery revolutionized the treatment of central nervous system (CNS) diseases.
Observation:
- Carlsson's work led to therapies for Parkinson's disease (PD) using L-DOPA and other dopaminergic drugs.
- Different DA agonists like apomorphine, bromocriptine, and lisuride exhibit varied administration routes and efficacy.
Findings:
- Lisuride demonstrates high dopamine receptor affinity and versatile administration (oral, parenteral, transdermal).
- Carlsson explored presynaptic DA agonist effects and partial agonism as novel therapeutic strategies.
Implications:
- These findings form the basis for current symptomatic treatments of Parkinson's disease.
- Innovative mechanisms for treating PD and schizophrenia, including presynaptic effects and partial agonism, were conceptualized.
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