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Brain Extracellular Space: A Compartment for Intercellular Communication and Drug Delivery

Encyclopedia of Computational Neuroscience
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Synonyms

Extracellular compartment; Interstitial space; Interstitial volume

Definition

The extracellular space (ECS) comprises a system of contiguous narrow spaces interposed between the brain cells. It occupies approximately 20 % of the brain volume. Mathematical modeling quantifies the macroscopic parameters of the ECS from experimental data and tests the hypotheses about the ECS microstructure.

Detailed Description

From a perspective of patient care, ECS forms the final segment of a delivery route for all nutrients and drugs destined for the brain cells. Therapeutic agents enter the ECS across the blood-brain barrier at a capillary or from the cerebrospinal fluid, or they are released directly into the ECS. The efficacy of treatment depends on compatibility between the drug or its carrier and the ECS microenvironment.

The ECS is also fundamentally important for the brain function. Instead of merely filling the void between the brain cells, as its name might suggest, the ECS exerts a...

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References

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Acknowledgments

This work was supported by the National Institute of Neurological Diseases And Stroke of the National Institutes of Health under Award Number R01NS047557.

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Correspondence to Sabina Hrabetova .

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Hrabetova, S., Hrabe, J. (2013). Brain Extracellular Space: A Compartment for Intercellular Communication and Drug Delivery. In: Jaeger, D., Jung, R. (eds) Encyclopedia of Computational Neuroscience. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-7320-6_716-1

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  • DOI: https://doi.org/10.1007/978-1-4614-7320-6_716-1

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  • Publisher Name: Springer, New York, NY

  • Online ISBN: 978-1-4614-7320-6

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Chapter history

  1. Latest

    Brain Extracellular Space: A Compartment for Intercellular Communication and Drug Delivery
    Published:
    03 August 2019

    DOI: https://doi.org/10.1007/978-1-4614-7320-6_716-2

  2. Original

    Brain Extracellular Space: A Compartment for Intercellular Communication and Drug Delivery
    Published:
    08 February 2014

    DOI: https://doi.org/10.1007/978-1-4614-7320-6_716-1