Related Experiment Video

Updated: Jul 17, 2026

Systems Analysis of the Neuroinflammatory and Hemodynamic Response to Traumatic Brain Injury
07:21

Systems Analysis of the Neuroinflammatory and Hemodynamic Response to Traumatic Brain Injury

Published on: May 27, 2022

A gel-based proteomic comparison of human cerebrospinal fluid between inflicted and non-inflicted pediatric traumatic

Wei-Min Gao1, Mandeep S Chadha, Rachel P Berger

  • 1Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15260, USA.

Journal of Neurotrauma
|February 1, 2007
PubMed

Insights

Inflicted traumatic brain injury (iTBI) in infants shows distinct cerebrospinal fluid (CSF) protein profiles compared to non-inflicted TBI. Proteomics identified key protein differences, aiding understanding of iTBI pathophysiology.

Area of Science:

  • Neuroscience
  • Biochemistry
  • Proteomics

Background:

  • Traumatic brain injury (TBI) is a leading cause of infant mortality, with inflicted TBI (iTBI) being the primary cause.
  • Cerebrospinal fluid (CSF) protein composition changes with central nervous system pathologies, offering a window into brain injury.
  • Understanding the differences between iTBI and non-inflicted TBI (nTBI) is crucial for diagnosis and treatment.

Purpose of the Study:

  • To compare the CSF proteomic profiles of pediatric iTBI and nTBI patients.
  • To identify specific proteins that differ between iTBI and nTBI.
  • To explore potential biomarkers for differentiating inflicted from accidental TBI in infants.

Main Methods:

  • Proteomic analysis using two-dimensional (2-D) difference in gel electrophoresis (DIGE) and mass spectrometry (MS).
  • Comparison of pooled CSF samples from 13 pediatric iTBI and 13 nTBI patients with severe injuries.
  • Analysis of approximately 250 protein spots with high inter-gel reproducibility (90%).
  • Validation of key protein changes using Western blot.

Main Results:

  • Haptoglobin (HP) isoforms were approximately fourfold higher in nTBI compared to iTBI.
  • Prostaglandin D(2) synthase (PGDS) levels were 12-fold higher in iTBI versus nTBI.
  • Cystatin C (CC) levels were sevenfold higher in iTBI versus nTBI.
  • Confirmed significant differences in HP, PGDS, and CC between iTBI and nTBI groups.

Conclusions:

  • Proteomic analysis of CSF reveals distinct protein signatures between iTBI and nTBI.
  • Specific proteins like HP, PGDS, and CC may serve as biomarkers to differentiate injury types.
  • These findings contribute to understanding the unique pathophysiology of iTBI and may aid in clinical diagnosis.

More Related Videos

A Pediatric Concussion Model in Mice: Closed Head Injury with Long-Term Disorders (CHILD)07:01

A Pediatric Concussion Model in Mice: Closed Head Injury with Long-Term Disorders (CHILD)

Published on: February 7, 2025

A Preclinical Controlled Cortical Impact Model for Traumatic Hemorrhage Contusion and Neuroinflammation06:50

A Preclinical Controlled Cortical Impact Model for Traumatic Hemorrhage Contusion and Neuroinflammation

Published on: June 10, 2020

Related Concept Videos

Cerebrospinal Fluid01:21

Cerebrospinal Fluid

Cerebrospinal fluid (CSF) is a colorless liquid that flows around the brain and the spinal cord, playing a vital role in the protection, support, and overall function of the central nervous system (CNS). CSF production, circulation, and absorption are tightly regulated processes essential for the brain and spinal cord to function properly.
CSF Production
CSF is produced mainly in the choroid plexus, a network of capillaries and ependymal cells located within the ventricular system of the brain.
Traumatic Brain Injury l: Introduction01:28

Traumatic Brain Injury l: Introduction

DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...