Related Experiment Video
Updated: May 1, 2026

09:05
Generation of Oligodendrocytes and Oligodendrocyte-Conditioned Medium for Co-Culture Experiments
Published on: February 9, 2020
10.5K
Multiple Modes of Communication between Neurons and Oligodendrocyte Precursor Cells
Paloma P Maldonado1, María Cecilia Angulo2
1INSERM U1128, Paris, France Université Paris Descartes, Sorbonne Paris Cité, Paris, France The Netherlands Institute for Neuroscience, the Royal Academy of Arts and Sciences, Amsterdam, the Netherlands.
Summary
Neurons and oligodendrocyte precursor cells (OPCs) communicate via synapses and non-synaptic pathways. This complex interaction influences OPCs
Area of Science:
- Neuroscience
- Cell Biology
- Developmental Biology
Background:
- Oligodendrocyte precursor cells (OPCs) were recently discovered to form bona fide synapses with neurons in the central nervous system (CNS).
- The precise function of these neuron-OPC synapses remains largely unknown, with a primary hypothesis suggesting they regulate OPC proliferation and differentiation, thereby influencing myelination.
- Emerging evidence indicates that neuron-OPC communication is more intricate, involving non-synaptic mechanisms.
Purpose of the Study:
- To review the diverse mechanisms by which OPCs interact with neurons in the CNS.
- To explore the functional implications of these neuron-OPC interactions during postnatal development.
- To discuss the potential roles of these communication pathways in various brain disorders.
Main Methods:
- Literature review of recent studies on neuron-OPC communication.
- Analysis of evidence for both synaptic and non-synaptic interaction mechanisms.
- Synthesis of findings related to OPC function and CNS development/disease.
Main Results:
- Neuron-OPC interactions extend beyond synaptic connections.
- Non-synaptic communication involves extrasynaptic receptor activation by neurotransmitters and OPC sensing of neuronal activity via potassium channels.
- These varied communication modes suggest distinct functional roles for OPCs in the CNS.
Conclusions:
- Neuron-OPC communication is multifaceted, involving both direct synaptic and indirect non-synaptic pathways.
- These complex interactions are critical for regulating OPC behavior and myelination during development.
- Understanding these pathways is essential for deciphering their roles in CNS disorders.
Related Concept Videos
Nervous Tissue: Myelin
12.1K
The myelin sheath is a multilayered lipid and protein covering that insulates the axon of a neuron, enhancing the speed of nerve impulse conduction. Axons without this sheath are referred to as unmyelinated. Two types of neuroglia, Schwann cells in the peripheral nervous system (PNS) and oligodendrocytes in the central nervous system (CNS) are responsible for producing myelin sheaths.
Schwann cells begin to form myelin sheaths around axons during fetal development. They wrap around a small...
Schwann cells begin to form myelin sheaths around axons during fetal development. They wrap around a small...
12.1K
Neuronal Communication
5.5K
Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
5.5K
Neurons as Communicators of the Brain
5.2K
Neurons, the fundamental units of the brain and nervous system, function as the primary transmitters of information throughout the body. Their ability to communicate through electrical and chemical signals is vital for every bodily function, from regulating the heartbeat to processing complex thoughts. Each neuron has three main components: the cell body (soma), dendrites, and an axon, each specialized to facilitate swift and efficient neural communication.
Cell Body
The cell body, also known...
Cell Body
The cell body, also known...
5.2K
The Synapse
99.9K
Neurons communicate with one another by passing on their electrical signals to other neurons. A synapse is the location where two neurons meet to exchange signals. At the synapse, the neuron that sends the signal is called the presynaptic cell, while the neuron that receives the message is called the postsynaptic cell. Note that most neurons can be both presynaptic and postsynaptic, as they both transmit and receive information.
99.9K
Synaptic Signaling
5.7K
Neurons communicate at synapses, or junctions, to excite or inhibit the activity of other neurons or target cells, such as muscles. Synapses may be chemical or electrical.
Most synapses are chemical, meaning an electrical impulse or action potential spurs the release of chemical messengers called neurotransmitters. The neuron sending the signal is called the presynaptic neuron, and the neuron receiving the signal is the postsynaptic neuron.
The presynaptic neuron fires an action potential that...
Most synapses are chemical, meaning an electrical impulse or action potential spurs the release of chemical messengers called neurotransmitters. The neuron sending the signal is called the presynaptic neuron, and the neuron receiving the signal is the postsynaptic neuron.
The presynaptic neuron fires an action potential that...
5.7K
Synaptic Signaling
70.0K
Neurons communicate at synapses, or junctions, to excite or inhibit the activity of other neurons or target cells, such as muscles. Synapses may be chemical or electrical.
70.0K

