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Related Experiment Video

Updated: May 31, 2025

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Basic Fibroblast Growth Factor-releasing Polyglycolic Acid Duras Improve Neurological Function after Cerebral

Yoshiro Ito1, Ayako Oyane2, Hideo Tsurushima1,3

  • 1Department of Neurosurgery, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan.

Current Neurovascular Research
|January 23, 2025
PubMed
Summary

This study developed a basic fibroblast growth factor (bFGF)-releasing artificial dura mater using Polyglycolic Acid (PGA) fabric. The bFGF-releasing PGA dura mater significantly improved neurological function in a mouse model of cerebral infarction.

Keywords:
Polyglycolic acid dura materbasic fibroblast growth factorcerebral infarctionneural progenitor cellneurological recovery.oxygen plasma treatment

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Neuroscience

Background:

  • Stem cell therapy for cerebral infarction is promising but faces challenges like cost and delivery optimization.
  • Bioabsorbable artificial dura mater made from Polyglycolic Acid (PGA) fabric is clinically used for cerebral infarction.
  • Basic Fibroblast Growth Factor (bFGF) shows potential for treating cerebral infarctions.

Purpose of the Study:

  • To prepare a bFGF-releasing PGA dura mater.
  • To evaluate the therapeutic efficacy of this bFGF-releasing PGA dura mater in a mouse model of focal cerebral infarction.

Main Methods:

  • Oxygen plasma treatment and bFGF adsorption were used to create the bFGF-releasing PGA dura mater.
  • In vitro bFGF release was quantified using ELISA.
  • The material was implanted in mice with induced cerebral infarction, followed by neurological and histological assessments.

Main Results:

  • The PGA dura mater demonstrated dose-dependent bFGF release.
  • Significant neurological function improvement was observed in bFGF-treated groups compared to controls.
  • Increased neural progenitor cells and a trend towards enhanced angiogenesis were noted in bFGF-treated mice.

Conclusions:

  • bFGF-releasing PGA dura mater effectively improved neurological function in a mouse model of focal cerebral infarction.
  • This approach offers a potentially practical and effective therapeutic strategy for cerebral infarction recovery.