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<p>Major neurodegenerative disorders, such as Alzheimer’s, Parkinson’s, and amyotrophic lateral sclerosis, are pathologically driven by mitochondrial failure and persistent neuroinflammation. Defects in oxidative phosphorylation, excess Reactive Oxygen Species (ROS), and impaired mitophagy cause an imbalance in neuronal energy and promote the release of mitochondrial Damage-Associated Molecular Patterns (DAMPs) that activate microglial inflammasomes and enhance inflammatory signalling. Current therapeutic strategies have largely targeted individual pathways and have been unable to effectively modulate this interrelated mitochondrial immune axis or achieve efficient delivery to the Central Nervous System (CNS). This review addresses the dual promise of berberine therapy, a biologically active plant alkaloid that enhances mitochondrial production via AMPK/PGC-1α and SIRT1, restores membrane potential, promotes mitophagy, and inhibits NF-κB and NLRP3-mediated inflammation. Nevertheless, this compound’s weak solubility, limited bioavailability, and extremely poor Blood–Brain Barrier (BBB) penetration limit its therapeutic application. Encapsulation of berberine in polymeric nanoparticles, including Polyethylene glycol (PEG)-based polymeric nanoparticle systems, offers improved stability, bioavailability, and targeted mitochondrial delivery. An effective method for reducing neuroinflammation and mitochondrial dysfunction is this comprehensive phytochemical nanotechnology technique.</p> Graphical abstract <p></p>

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Targeting mitochondrial dysfunction and neuroprotection in neurodegenerative disorders: emerging therapeutic potential of berberine and polymeric nanoparticle-based delivery systems

  • 期刊论文

  • 发表日期：

    2026年6月22日

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  • Basith Rehman Sathick Batcha,
  • Deevan Paul Amarnath,
  • Devasena Srinivasan,
  • Prakash Ramakrishnan

摘要

Major neurodegenerative disorders, such as Alzheimer’s, Parkinson’s, and amyotrophic lateral sclerosis, are pathologically driven by mitochondrial failure and persistent neuroinflammation. Defects in oxidative phosphorylation, excess Reactive Oxygen Species (ROS), and impaired mitophagy cause an imbalance in neuronal energy and promote the release of mitochondrial Damage-Associated Molecular Patterns (DAMPs) that activate microglial inflammasomes and enhance inflammatory signalling. Current therapeutic strategies have largely targeted individual pathways and have been unable to effectively modulate this interrelated mitochondrial immune axis or achieve efficient delivery to the Central Nervous System (CNS). This review addresses the dual promise of berberine therapy, a biologically active plant alkaloid that enhances mitochondrial production via AMPK/PGC-1α and SIRT1, restores membrane potential, promotes mitophagy, and inhibits NF-κB and NLRP3-mediated inflammation. Nevertheless, this compound’s weak solubility, limited bioavailability, and extremely poor Blood–Brain Barrier (BBB) penetration limit its therapeutic application. Encapsulation of berberine in polymeric nanoparticles, including Polyethylene glycol (PEG)-based polymeric nanoparticle systems, offers improved stability, bioavailability, and targeted mitochondrial delivery. An effective method for reducing neuroinflammation and mitochondrial dysfunction is this comprehensive phytochemical nanotechnology technique.

Graphical abstract