GABA: homeostatic and pharmacological aspects
Arne Schousboe1, Helle S Waagepetersen
1Department of Pharmacology and Pharmacotherapy, The Faculty of Pharmaceutical Sciences, University of Copenhagen, DK-2100 Copenhagen, Denmark. as@dfuni.dk
Progress in Brain Research
|May 15, 2007
Summary
Gamma-aminobutyrate (GABA) is a key inhibitory neurotransmitter in the central nervous system (CNS). This review explores GABAergic neurotransmission, covering its role in homeostasis and therapeutic applications.
Area of Science:
- Neuroscience
- Neurochemistry
Background:
- The central nervous system (CNS) relies on a balance between excitatory and inhibitory signaling.
- Inhibitory neurotransmission, particularly involving gamma-aminobutyrate (GABA), is crucial for neuronal function and has been implicated in 'command pathways' and 'dis-inhibition' phenomena.
- GABA was initially identified as an amino acid in the CNS before being recognized as a primary inhibitory neurotransmitter.
Purpose of the Study:
- To review key aspects of GABAergic neurotransmission.
- To discuss the role of GABA in homeostatic mechanisms within the CNS.
- To explore the pharmacological and therapeutic implications of GABAergic signaling.
Main Methods:
- Literature review of established research on GABAergic neurotransmission.
- Synthesis of information regarding GABA biosynthesis, metabolism, release, and inactivation.
- Analysis of pharmacological data and therapeutic applications related to GABA.
Main Results:
- GABAergic neurotransmission is fundamental to CNS function and homeostasis.
- Understanding GABA's lifecycle (biosynthesis to inactivation) is key to its role.
- Pharmacological modulation of GABAergic systems offers therapeutic potential.
Conclusions:
- GABAergic signaling is vital for maintaining CNS balance and function.
- Further research into GABA's mechanisms can inform therapeutic strategies.
- The review highlights the multifaceted importance of GABA in neuroscience and medicine.
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