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Updated: Jun 3, 2026

Controlled Cortical Impact Model for Traumatic Brain Injury

Controlled Cortical Impact Model for Traumatic Brain Injury

Published on: August 5, 2014

Endocannabinoids and traumatic brain injury.

Esther Shohami¹, Ayelet Cohen-Yeshurun, Lital Magid

¹The Institute for Drug Research, Faculty of Medicine, The Hebrew University of Jerusalem, Israel. esty@cc.huji.ac.il

British Journal of Pharmacology

|March 23, 2011

Summary

The endocannabinoid (eCB) system, including 2-AG, acts as a natural defense against traumatic brain injury (TBI). Enhancing eCB activity shows promise for treating brain injuries and other central nervous system (CNS) conditions.

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Published on: June 10, 2020

Area of Science:

Neuroscience
Biochemistry

Background:

Traumatic brain injury (TBI) is a major cause of death in young individuals, leading to secondary damage.
The endocannabinoid (eCB) system, comprising ligands, receptors, transporters, and enzymes, regulates lipid mediators involved in brain function.
eCB levels increase during pathological events, suggesting a role in compensatory and repair mechanisms.

Purpose of the Study:

To review the self-neuroprotective role of the eCB system in the brain.
To explore the therapeutic potential of the eCB system for central nervous system (CNS) pathologies, particularly TBI.

Main Methods:

Literature review of studies on the eCB system and TBI models.
Analysis of the role of eCB ligands (anandamide, 2-AG) and receptors (CB1, CB2).

Main Results:

2-arachidonoyl-glycerol (2-AG), an abundant eCB, is elevated after TBI and its administration reduces brain edema, inflammation, and infarct volume in mice.
CB1 receptor signaling is crucial for mediating the neuroprotective effects of 2-AG in TBI.
CB2 receptors have shown potential in reducing brain damage and improving motor function in other brain insult models.

Conclusions:

The eCB system functions as an endogenous neuroprotective mechanism against TBI.
Targeting the eCB system offers a promising therapeutic strategy for TBI and other CNS disorders.