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Chemical Synapses01:26

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Chemical synapses are specialized sites between two neurons or between a neuron and a non-neuronal cell like a muscle, glandular or sensory cell.
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Chemical synapses are specialized sites between two neurons or between a neuron and a non-neuronal cell like a muscle, glandular or sensory cell.
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Neurochemical transmission, the conduction of electrical impulses between neurons mediated by neurotransmitters, plays a vital role in various physiological processes. Autonomic drugs exert their effects by modulating neurotransmission within the autonomic nervous system. For instance, drugs such as hemicholinium block the precursor uptake necessary for synthesizing acetylcholine, an essential autonomic neurotransmitter. Following synthesis, neurotransmitters are stored in vesicles. Metyrosine...
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When an action potential reaches the presynaptic axon terminal, it releases neurotransmitters from the neuron into the synaptic cleft at a chemical synapse. The released neurotransmitter can be excitatory or inhibitory. The critical criteria commonly used to determine whether a molecule is a neurotransmitter at a chemical synapse are the molecule's presence in the presynaptic neuron. Second, its release is in response to strong presynaptic depolarization. And lastly, the presence of...
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Neurotransmitters play a crucial role in the communication between neurons in the autonomic nervous system. Neurons in the autonomic nervous system can be cholinergic or adrenergic depending on the neurotransmitters synthesized. Cholinergic neurons use acetylcholine as their primary neurotransmitter. This includes all the preganglionic fibers of the sympathetic and pre- and postganglionic fibers of the parasympathetic nervous systems. In addition, neurons of the somatic nervous system also use...
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Dopamine Release at Individual Presynaptic Terminals Visualized with FFNs
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Decoding Neurotransmitter Switching: The Road Forward.

Hui-Quan Li1, Marta Pratelli1, Swetha Godavarthi1

  • 1Neurobiology Section, Division of Biological Sciences, Center for Neural Circuits and Behavior, Kavli Institute for Brain and Mind, University of California, San Diego, La Jolla, California 92093-0115.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|May 22, 2020
PubMed
Summary
This summary is machine-generated.

Neurotransmitter switching is brain plasticity where neurons change their chemical messengers due to environmental cues. This process offers potential therapeutic strategies for neurological and psychiatric disorders.

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Area of Science:

  • Neuroscience
  • Neurobiology
  • Cellular Biology

Background:

  • Neurotransmitter switching is a form of brain plasticity.
  • Environmental stimuli can induce neurons to alter neurotransmitter expression.
  • This phenomenon can lead to significant behavioral changes.

Purpose of the Study:

  • To explore the potential of inducing neurotransmitter switching for therapeutic benefit.
  • To review current understanding and future prospects of neurotransmitter switching research.
  • To discuss the implications for treating neurological and psychiatric conditions.

Main Methods:

  • Review of existing literature on brain plasticity and neurotransmitter function.
  • Analysis of potential environmental stimuli and their effects on neuronal signaling.
  • Discussion of emerging tools and techniques for investigating neurotransmitter switching.

Main Results:

  • Neurotransmitter switching presents a novel avenue for enhancing desirable behaviors.
  • This plasticity mechanism may underlie current successful treatments for conditions like Parkinson's disease and depression.
  • Understanding neurotransmitter switching can reshape our view of brain function and mental illness.

Conclusions:

  • Targeting neurotransmitter switching offers promising therapeutic opportunities.
  • Further research is crucial to harness this plasticity for clinical applications.
  • Investigating neurotransmitter switching will advance our understanding of brain health and disease.