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Related Concept Videos

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...

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Bidirectional Interaction Between the Brain and Bone in Traumatic Brain Injury.

Wei Zhang1, Jun Zou1, Lingli Zhang2

  • 1School of Exercise and Health, Shanghai University of Sport, Shanghai, 200438, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|July 14, 2025
PubMed
Summary
This summary is machine-generated.

Traumatic brain injury (TBI) disrupts bone health, causing osteoporosis and affecting fracture healing. Understanding the brain-bone axis offers new TBI and bone disease treatment strategies.

Keywords:
bone formationbone marrow mesenchymal stromal cellsbrain–bone axisfracture healingosteoporosistraumatic brain injury

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Area of Science:

  • Neuroscience
  • Orthopedics
  • Endocrinology

Background:

  • Traumatic brain injury (TBI) impacts systemic bone homeostasis.
  • Bidirectional communication between the brain and bone is increasingly recognized.
  • The specific interactions in TBI contexts require further elucidation.

Purpose of the Study:

  • To review existing research on the brain-bone relationship in TBI.
  • To explore the mechanisms underlying these interactions.
  • To propose potential therapeutic strategies.

Main Methods:

  • Literature review of clinical studies and preclinical research.
  • Analysis of neurohormonal, neuropeptidal, neurotransmitter, and mechanical pathways.
  • Evaluation of cell-based therapies and biomolecular factors.

Main Results:

  • TBI is linked to long-term bone loss and increased osteoporosis risk.
  • Fracture healing can be accelerated post-TBI, potentially worsening TBI prognosis.
  • The brain-bone axis involves complex signaling pathways.

Conclusions:

  • The brain-bone axis plays a critical role in TBI's systemic effects.
  • Bone marrow mesenchymal stromal cells and extracellular vesicles show therapeutic potential.
  • Targeting the brain-bone axis may offer novel treatments for TBI and associated bone conditions.