Tehran University of Medical Sciences

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Cell-Penetrating Peptides (Cpps)-Engineered Plga Nanocarriers for Enhanced Drug Delivery: Uptake Mechanisms, Optimization Strategies, and Therapeutic Applications Publisher Pubmed



Malek Khatabi A ; Rahimzadegan M ; Razavi M S ; Shabankareh A N T ; Sefat F ; Nosrati R
Authors

Source: Biomedicine and Pharmacotherapy Published:2026


Abstract

One major barrier inhibiting most pharmaceutical administrations' effectiveness is the cellular membrane's insufficient permeability. Cell-penetrating peptides (CPPs) are extensively identified as effective biological carriers that can pass through this natural barrier and transport the CPPs-conjugated therapeutic agents into cells. In this line, CPPs-assisted delivery systems have become one of the most popular methods for internalizing nanoparticles (NPs). Recently, CPPs-functionalized PLGA-derived nanocarriers have attracted exceptional attention because of their distinctive features that make them highly appealing for use in next-generation drug delivery systems (DDS). CPPs-conjugated PLGA NPs have demonstrated promise as therapeutic agents in a range of medical fields. This review article summarizes the current development of the CPPs/PLGA nanocarriers. After that, we explore their various challenges and optimization techniques. Finally, future prospects and challenges of CPPs/PLGA nanocarriers are mentioned concisely. © 2026 The Authors.