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Bioimpacts. 2017;7(4): 269-277.
doi: 10.15171/bi.2017.32
PMID: 29435435
PMCID: PMC5801539
Scopus ID: 85041008382
  Abstract View: 3352
  PDF Download: 1935
  Full Text View: 2347

Review

Stimuli-responsive chitosan-based nanocarriers for cancer therapy

Marziyeh Fathi 1, Parham Sahandi Zangabad 1, Sima Majidi 2, Jaleh Barar 1,3, Hamid Erfan-Niya 2, Yadollah Omidi 1,3* ORCID logo

1 Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
2 Department of Chemical and Petroleum Engineering, University of Tabriz, Tabriz, Iran
3 Department of Pharmaceutics, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
*Corresponding Author: Email: yadollah.omidi@gmail.com

Abstract

Introduction: Stimuli-responsive nanocarriers offer unique advantages over the traditional drug delivery systems (DDSs) in terms of targeted drug delivery and on-demand release of cargo drug molecules. Of these, chitosan (CS)-based DDSs offer several advantages such as high compatibility with biological settings.
Methods: In this study, we surveyed the literature in terms of the stimuli-responsive nanocarriers and discussed the most recent advancements in terms of CS-based nanosystems and their applications in cancer therapy and diagnosis.
Results: These advanced DDSs are able to release the entrapped drugs in response to a specific endogenous stimulus (e.g., pH, glutathione concentration or certain enzymes) or exogenous stimulus (e.g., temperature, light, ultrasound, and magnetic field) at the desired time and target site. Dual-responsive nanocarriers by the combination of different stimuli have also been developed as efficient and improved DDSs. Among the stimuli-responsive nanocarriers, CS-based DDSs offer several advantages, including biocompatibility and biodegradability, antibacterial activity, ease of modification and functionalization, and non-immunogenicity. They are as one of the most ideal smart multifunction DDSs.
Conclusion: The CS-based stimuli-responsive multifunctional nanosystems (NSs) offer unique potential for the targeted delivery of anticancer agents and provide great potential for on-demand and controlled-release of anticancer agents in response to diverse external/internal stimuli.
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Submitted: 19 Oct 2017
Revision: 02 Nov 2017
Accepted: 12 Nov 2017
ePublished: 15 Nov 2017
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