The mechanisms and therapeutic applications of phenolic acids in vascular cognitive impairment: A comprehensive review

  • Qiudong Zhang (Co-first author)
  • , Yajun Shi (Co-first author)
  • , Xingfang Zhang (Co-first author)
  • , Shan Liang
  • , Huailiang Xu
  • , Wei Quan*
  • , Chuanxin Zhong*
  • , Yi Ding*
  • *Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

Abstract

Vascular cognitive impairment (VCI), the second most common form of cognitive dysfunction after Alzheimer's disease (AD), is characterized by a multifactorial pathogenesis involving cerebrovascular injury, neuroinflammatory responses, and oxidative stress-mediated neuronal damage. As a growing global health concern with limited treatment options, novel therapeutic strategies are urgently needed. Phenolic acids (PAs), a class of naturally occurring bioactive compounds widely found in plants, have shown great potential as therapeutic agents for VCI owing to their potent antioxidant, anti-inflammatory, and neuroprotective effects. The pleiotropic activities of VCI are particularly valuable for tackling the complex pathology of VCI. Preclinical studies have substantiated their efficacy in ameliorating cognitive deficits, but their favorable pharmacokinetic properties and synergistic interactions with existing therapeutic regimens underscore their strong translational potential for clinical applications. Nevertheless, significant challenges hinder the clinical translation of PAs, including unresolved issues regarding their systemic bioavailability and nonlinear dosesingle bond-response relationships, the unmet need for brain-targeted delivery systems to improve spatial precision, and the imperative to decipher their pleiotropic mechanisms via integrated multiomics approaches. Future investigations should adopt interdisciplinary strategies to propel the implementation of PAs in VCI precision medicine, encompassing advanced pharmacogenomics, nanodelivery platforms, and AI-driven target prediction. This review systematically summarizes the classification and structure–activity relationships of PAs, elucidating their molecular mechanisms in VCI therapy while critically examining the current opportunities and challenges in clinical translation. Its overarching aim is to accelerate the clinical application of PAs and to foster the development of innovative strategies for addressing VCI.

Original languageEnglish
Pages (from-to)32-47
Number of pages16
JournalCurrent Molecular Pharmacology
Volume18
Issue number1
DOIs
Publication statusPublished - 27 Sept 2025

User-Defined Keywords

  • blood-brain barrier
  • neuroprotection
  • oxidative stress
  • Phenolic acids
  • therapeutic applications
  • vascular cognitive impairment

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