Neurotransmission Analysis
Neurotransmission Analysis - Related Videos
01:27
Adrenergic Neurons: Neurotransmission
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2023
Postganglionic sympathetic fibers (except those supplying the sweat glands) releasing noradrenaline or norepinephrine are called noradrenergic or adrenergic neurons. Noradrenaline, dopamine, adrenaline, or epinephrine are collectively called "catecholamines" as they contain a catechol moiety and an amine side chain. The five stages of neurotransmitter release involve their synthesis, storage, release, reuptake and metabolism. Synthesis: Catecholamine synthesis requires tyrosine, which is taken...
07:41
Modeling Fast-scan Cyclic Voltammetry Data from Electrically Stimulated Dopamine Neurotransmission Data Using QNsim1.0
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Cited by 2 •
2017
Fast-scan cyclic voltammetry can monitor in vivo dopamine neurotransmission in the context of drugs, disease, and other experimental manipulations. This work describes the implementation of QNsim1.0, a software to model electrically stimulated dopamine responses according to the quantitative neurobiological model to quantify estimates of dopamine release and reuptake dynamics.
01:23
Cholinergic Neurons: Neurotransmission
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2023
Cholinergic neurotransmission involves the synthesis and the release of acetylcholine (ACh) in order to transmit nerve impulses across the synapse. The process begins with the synthesis of acetyl CoA, a precursor for ACh, from ATP, acetate, and coenzyme A in the mitochondria. Choline, another vital precursor, is transported inside the neuron through choline transporters, including high-affinity choline transporter CHT1, low-affinity choline transporter CTL1, and lower-affinity choline...
01:29
Visualizing Neurotransmission Using Fluorescent False Neurotransmitters
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2025
Incubate the slice in aCSF containing fluorescent false neurotransmitters or FFNs.
07:16
Methods for the Discovery of Novel Compounds Modulating a Gamma-Aminobutyric Acid Receptor Type A Neurotransmission
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Cited by 8 •
2018
Here, we present protocols to discover compounds active at GABAA receptors, from the binding to the physiology and pharmacology.
FAQs
The presynaptic calcium signal links electrical excitation to chemical release. When an action potential reaches the terminal, voltage-gated calcium channels open, and the resulting calcium influx triggers synaptic vesicle fusion. Measuring this sequence helps distinguish whether altered communication arises at the terminal’s electrical-to-release step, making it important for interpreting neuronal signaling and disease-related changes.
Postsynaptic receptors translate released neurotransmitter into a cellular response. Their activation can change ion flow or initiate intracellular signaling, so receptor activity provides a readout of how effectively a signal affects the target cell. Separating receptor responses from presynaptic release can clarify which side of the synapse is altered and support evaluation of drug action.
Tracking signal termination complements release and receptor measurements by showing how communication ends after activation. This adds a temporal dimension to neurotransmission analysis because investigators can compare the initial release event with the persistence of postsynaptic effects. Such information is relevant when studying abnormal signaling, disease mechanisms, and the effects of drugs on neural communication.
These approaches provide complementary views of synaptic communication. Electrophysiology measures electrical activity and related functional responses, molecular assays examine components or events at the molecular level, and imaging visualizes neurotransmitter release, receptor activity, or signal termination. Combining them can connect cellular function with molecular changes and provide a more complete analysis than one measurement alone.
A practical analysis can follow the communication pathway: assess presynaptic electrical activity and calcium-channel-related events, examine neurotransmitter release, measure postsynaptic receptor activity and changes in ion flow or intracellular signaling, and then evaluate signal termination. Aligning these readouts helps connect an observed cellular response to a specific stage of communication rather than treating it as one undifferentiated event.
In medicine, these measurements help clarify how synaptic communication changes in epilepsy, neurodegeneration, and psychiatric disorders. They also support investigation of drug action by showing effects on neurotransmitter release, receptor activity, or signal termination. The resulting measurements can contribute to biomarker development and guide efforts to design more targeted therapies.