Related Experiment Video

Updated: Aug 13, 2026

Preparation of Synaptoneurosomes from Mouse Cortex using a Discontinuous Percoll-Sucrose Density Gradient
08:30

Preparation of Synaptoneurosomes from Mouse Cortex using a Discontinuous Percoll-Sucrose Density Gradient

Published on: September 17, 2011

Effects of precursors on brain neurotransmitter synthesis and brain functions

J D Fernstrom

    Diabetologia
    |March 1, 1981
    PubMed

    More Related Videos

    A Plate-Based Assay for the Measurement of Endogenous Monoamine Release in Acute Brain Slices07:56

    A Plate-Based Assay for the Measurement of Endogenous Monoamine Release in Acute Brain Slices

    Published on: August 11, 2021

    Microtransplantation of Synaptic Membranes to Reactivate Human Synaptic Receptors for Functional Studies10:08

    Microtransplantation of Synaptic Membranes to Reactivate Human Synaptic Receptors for Functional Studies

    Published on: July 20, 2022

    Related Concept Videos

    Neurochemical Transmission: Sites of Drug Action01:26

    Neurochemical Transmission: Sites of Drug Action

    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...
    Drugs Affecting Neurotransmitter Release or Uptake01:21

    Drugs Affecting Neurotransmitter Release or Uptake

    Certain drugs can affect how neurotransmitters called catecholamines, are released or taken back up in the adrenergic neuron. They can have different effects on the body's sympathetic transmission. Reserpine, a natural compound found in the Rauwolfia shrub, blocks a transporter called vesicular monoamine transporter (VMAT), which leads to a buildup of catecholamines in the cell and reduces sympathetic transmission. Another drug called guanethidine works in multiple ways, including blocking...
    Neurotransmitters01:30

    Neurotransmitters

    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...
    Drugs Affecting Neurotransmitter Synthesis01:29

    Drugs Affecting Neurotransmitter Synthesis

    Drugs affecting neurotransmitter synthesis can impact the adrenergic neuron and the synthesis of neurotransmitters. For example, α-methyltyrosine and carbidopa target specific enzymes involved in catecholamine synthesis. α-methyltyrosine inhibits the enzyme tyrosine hydroxylase, which converts tyrosine into dopamine. By blocking this enzyme, α-methyltyrosine reduces dopamine production and other catecholamines. Carbidopa, on the other hand, inhibits the enzyme dopa decarboxylase, which converts...
    Neurotransmitters01:31

    Neurotransmitters

    Neurotransmitters are essential chemical messengers within the nervous system, facilitating the communication between neurons. These chemical messengers, varying in function and effect, are critical for sustaining various aspects of neurological health and emotional well-being.
    Role of Neurotransmitters in Memory01:23

    Role of Neurotransmitters in Memory

    Neurotransmitters are integral to the brain's communication system, enabling neurons to transmit signals across synapses. This chemical exchange underpins various cognitive functions, including memory processes. The role of neurotransmitters in memory is multifaceted, influencing the encoding, consolidation, and retrieval of memories through their action on different neural circuits.
     Glutamate and Synaptic Plasticity
    Glutamate, the brain's main excitatory neurotransmitter, is critical for...