Glutamate and its Derivatives in the Regulation of Peripheral Cholinergic Neurotransmission
- Authors: Fedorov N.S.1, Nevsky E.S.1,2, Tokmakova A.R.1, Malomouzh A.I.1,3
-
Affiliations:
- Kazan Institute of Biochemistry and Biophysics, RAS
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University
- Kazan National Research Technical University
- Issue: Vol 111, No 4 (2025)
- Pages: 559-580
- Section: REVIEW
- URL: https://cardiosomatics.ru/0869-8139/article/view/680895
- DOI: https://doi.org/10.31857/S0869813925040018
- EDN: https://elibrary.ru/UFOAVU
- ID: 680895
Cite item
Abstract
In the CNS, glutamate is the main excitatory neurotransmitter, while gamma-aminobutyric acid (GABA) functions as the main inhibitory neurotransmitter. N-acetylaspartylglutamate (NAAG), in turn, is the most abundant neuropeptide in the CNS and is also capable of acting as a neurotransmitter. This review analyzes experimental data proving the participation of all three of these signaling molecules in the functioning of the neuromuscular junction, which is a “classical” cholinergic synapse of the peripheral nervous system and, until recently, was considered the most studied synaptic junction in the organism of vertebrates and humans. To date, all three signaling molecules have been identified in the area of the neuromuscular junction, data have been obtained on their release into the synaptic cleft, and receptor proteins have been discovered whose activation affects the processes of both spontaneous and evoked quantal release of acetylcholine. It is noted that in mammalian synapses, glutamate, NAAG and GABA unidirectionally inhibit the process of non-quantal release of acetylcholine. The mechanisms of these modulatory pathways of glutamate and its derivatives signaling are realized with the involvement of all three compartments of the synaptic contact: nerve ending, muscle fiber and perisynaptic Schwann cell.
Full Text

About the authors
N. S. Fedorov
Kazan Institute of Biochemistry and Biophysics, RAS
Email: artur57@list.ru
Russian Federation, Kazan
E. S. Nevsky
Kazan Institute of Biochemistry and Biophysics, RAS; Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University
Email: artur57@list.ru
Russian Federation, Kazan; Kazan
A. R. Tokmakova
Kazan Institute of Biochemistry and Biophysics, RAS
Email: artur57@list.ru
Russian Federation, Kazan
A. I. Malomouzh
Kazan Institute of Biochemistry and Biophysics, RAS; Kazan National Research Technical University
Author for correspondence.
Email: artur57@list.ru
Russian Federation, Kazan; Kazan
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