Abstract
Conventional cancer therapy has major limitations, including non-specificity, unavoidable side effects, low specific tumor accumulation and systemic toxicity. In recent years, more effective and precise treatment methods have been developed, including cell-based immunotherapy. Carriers that can accurately and specifically target cells and equip them to combat cancer cells are particularly important for developing this therapy. As a result, attention has been drawn to smart nanocarriers that can react to specific stimuli. Thus, stimuli-responsive nanocarriers have attracted increasing attention because they can change their physicochemical properties in response to stimulus conditions, such as pH, enzymes, redox agents, hypoxia, light and temperature. This review highlights recent advances in various stimuli-responsive nanocarriers, discussing loading, targeted delivery, cellular uptake, biocompatibility and immunomodulation in cell-based immunotherapy. Finally, future challenges and perspectives regarding the possible clinical translation of nanocarriers are discussed.
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