Cited by 378Barrier Structure and Function StudiesNanoparticle-Based Drug DeliveryDrug Transport and Resistance Mechanisms

Functionalized Nanomaterials Capable of Crossing the Blood–Brain Barrier

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Zha, Shuai, Liu, Haitao, Li, Hengde, Li, Haolan, Wong, Ka-Leung, All, Angelo Homayoun·2024·ACS Nano

Abstract

The blood-brain barrier (BBB) is a specialized semipermeable structure that highly regulates exchanges between the central nervous system parenchyma and blood vessels. Thus, the BBB also prevents the passage of various forms of therapeutic agents, nanocarriers, and their cargos. Recently, many multidisciplinary studies focus on developing cargo-loaded nanoparticles (NPs) to overcome these challenges, which are emerging as safe and effective vehicles in neurotheranostics. In this Review, first we introduce the anatomical structure and physiological functions of the BBB. Second, we present the endogenous and exogenous transport mechanisms by which NPs cross the BBB. We report various forms of nanomaterials, carriers, and their cargos, with their detailed BBB uptake and permeability characteristics. Third, we describe the effect of regulating the size, shape, charge, and surface ligands of NPs that affect their BBB permeability, which can be exploited to enhance and promote neurotheranostics. We classify typical functionalized nanomaterials developed for BBB crossing. Fourth, we provide a comprehensive review of the recent progress in developing functional polymeric nanomaterials for applications in multimodal bioimaging, therapeutics, and drug delivery. Finally, we conclude by discussing existing challenges, directions, and future perspectives in employing functionalized nanomaterials for BBB crossing.

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  1. Lakshmipriya T.; Gopinath S. C. B. Introduction to nanoparticles and analytical devices. In Nanopart. Anal. Med. Devices; Elsevier: 2021; pp 1– 29.
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Authors
Zha, S., Liu, H., Li, H., Li, H., Wong, K.-L., & All, A. H.
Affiliations
  • Hubei University of Chinese Medicine (CN)
  • Hong Kong Baptist University (HK)
  • Hong Kong Polytechnic University (HK)
Corresponding author
  • Wong, Ka-Leung
  • All, Angelo Homayoun
Venue
ACS Nano
Published
2024-01-09
Volume
18
Issue
3
Pages
1820-1845
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
OpenAlex
W4390726995
Cited by
378
References
220
Citations by year
2026: 162 · 2025: 164 · 2024: 52
FWCI
19.29
Type
journal article
Language
en
Open access
Locations
  • ACS Nano (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Research Grants Council, University Grants Committee (12100121)
  • Hong Kong Baptist University (21.4531.162640, 31.4531.179234)
Topics
  • Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
  • Physical Sciences › Materials Science › Biomaterials › Nanoparticle-Based Drug Delivery
  • Health Sciences › Medicine › Oncology › Drug Transport and Resistance Mechanisms
Keywords
blood-brain barrier, functionalized nanomaterials, polymer nanomaterials, nanoparticle size and shape effects, surface ligands, blood-brain barrier permeability, brain drug delivery, multimodal bioimaging, nanocarriers
MeSH terms
Biological Transport, Blood-Brain Barrier, Brain, Drug Delivery Systems, Nanostructures, Nanoparticles

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