Why do lipid nanoparticles target the liver? Understanding of biodistribution and liver-specific tropism
Date
2025
Authors
Hosseini Kharat, M.
Bremmell, K.E.
Prestidge, C.A.
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Journal article
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Molecular Therapy: Methods & Clinical Development, 2025; 33(1, article no. 101436):1-14
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Abstract
Lipid nanoparticles (LNPs) are now highly effective transporters of nucleic acids to the liver. This liver-specificity is largely due to their association with certain serum proteins, most notably apolipoprotein E (ApoE), which directs them to liver cells by binding to the low-density lipoprotein (LDL) receptors on hepatocytes. The liver's distinct anatomy, with its various specialized cell types, also influences how LNPs are taken up from the circulation, cleared, and how effective they are in delivering treatments. In this review, we consider factors that facilitate LNP's effective liver targeting and explore the latest advances in liver-targeted LNP technologies. Understanding how LNPs are targeted to the liver can help for effective design and optimization of nanoparticle-based therapies. Comprehension of the cellular interaction and biodistribution of LNPs not only leads to better treatments for liver diseases but also delivers insight for directing nanoparticles to other tissues, potentially broadening their range of therapeutic applications.
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Copyright 2025 The author(s) (https://creativecommons.org/licenses/by/4.0/)
Access Condition Notes: This is an open access article