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Related Experiment Video

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Acute Brain Trauma in Mice Followed By Longitudinal Two-photon Imaging
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Baicalein Long-Circulating Liposomes Improve Histological and Functional Outcomes After Traumatic Brain Injury.

Dong Yuan1, Wenbo Xu1, Faisal Raza2

  • 1Department of Emergency, JinTan Hospital Affiliated to JiangSu University, 500 Jintan Dadao, Jintan, Changzhou 213200, Jiangsu, China.

Advances in Pharmacological and Pharmaceutical Sciences
|December 3, 2024
PubMed
Summary

New liposomes improve Baicalein (BCL) delivery for traumatic brain injury (TBI) treatment. This approach enhances BCL bioavailability and circulation, offering a promising therapeutic strategy for TBI.

Keywords:
baicaleinliposomeslong-circulatingtraumatic brain injury

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Area of Science:

  • Neuroscience
  • Pharmacology
  • Biotechnology

Background:

  • Traumatic brain injury (TBI) is a major public health concern with high mortality and disability rates.
  • Current pharmaceutical treatments for TBI are limited, lacking agents to effectively repair brain damage.
  • Baicalein (BCL), a traditional Chinese medicine compound, shows potential for brain injury repair but suffers from poor solubility and bioavailability.

Purpose of the Study:

  • To develop Baicalein-loaded long-circulating liposomes (BLC-Lips) to overcome the limitations of BCL.
  • To evaluate the efficacy of BLC-Lips in a mouse model of TBI.

Main Methods:

  • BCL was encapsulated into long-circulating liposomes using the thin-film hydration method.
  • Physicochemical properties, including encapsulation efficiency (EE) and loading capacity, were determined.
  • The therapeutic effects of BLC-Lips were assessed in TBI model mice, evaluating histological and neurological outcomes, inflammatory cytokines, and neurotoxicity.

Main Results:

  • BLC-Lips demonstrated favorable characteristics, including small nanoparticle size, excellent polydispersed index (PDI), and zeta potential, indicating good stability.
  • The BLC-Lips achieved high encapsulation efficiency (87.98%) and drug loading capacity (7.56%).
  • Oral administration of BLC-Lips significantly improved BCL's aqueous solubility, bioavailability, and in vivo circulation time, leading to improved histological and neurological functions and reduced inflammation and neurotoxicity in TBI mice.

Conclusions:

  • Long-circulating liposomes represent a promising strategy to enhance the in vivo circulation and bioavailability of BCL.
  • BLC-Lips show potential as a novel therapeutic approach for treating traumatic brain injury.