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Updated: Jul 17, 2026

Controlled Cortical Impact Model for Traumatic Brain Injury

Controlled Cortical Impact Model for Traumatic Brain Injury

Published on: August 5, 2014

Activin A in brain injury.

Pasquale Florio¹, Diego Gazzolo, Stefano Luisi

¹Department of Pediatrics, Obstetrics and Reproductive Medicine, University of Siena, Siena, Italy.

Advances in Clinical Chemistry

|January 26, 2007

Summary

Activin A, a TGF-beta superfamily protein, is upregulated after acute brain injury. Its measurement may serve as a biomarker for detecting, locating, and predicting the extent of brain damage.

Area of Science:

Neuroscience
Molecular Biology
Biochemistry

Background:

Activin A is a dimeric protein within the transforming growth factor beta (TGF-beta) superfamily.
Its biological activity is regulated by specific receptors and binding proteins like follistatin.
Activin A, its receptors, and binding proteins are widely expressed in the brain.

Purpose of the Study:

To investigate the role of Activin A in acute brain injury.
To explore the potential of Activin A as a biomarker for brain damage.
To assess the neuroprotective effects of Activin A.

Main Methods:

Studies utilized models of acute brain injury (hypoxic/ischemic, mechanical, chemical).
Examined the expression levels of Activin A in response to neuronal damage.

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Controlled Cortical Impact Model for Traumatic Brain Injury

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Published on: August 5, 2014

Controlled Cortical Impact Model of Mouse Brain Injury with Therapeutic Transplantation of Human Induced Pluripotent Stem Cell-Derived Neural Cells

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Stereotactic Atlas-Guided Laser Capture Microdissection of Brain Regions Affected by Traumatic Injury

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Investigated the downstream pathways activated by Activin A.

Main Results:

Acute brain injury strongly upregulates Activin A expression.
Activin A demonstrates robust neuroprotective activities and aids neuronal recovery.
Early induction of Activin A correlates with the presence and extent of brain injury.

Conclusions:

Activin A is a key mediator in the brain's response to acute injury.
Measuring Activin A levels can serve as a biochemical index for brain damage.
This biomarker approach may aid in diagnosing subclinical lesions and establishing prognosis.