Journal
JOURNAL OF CONTROLLED RELEASE
Volume 362, Issue -, Pages 692-714Publisher
ELSEVIER
DOI: 10.1016/j.jconrel.2023.09.013
Keywords
Microneedle; Living cells; Cell delivery; Cell -based therapy; Biomedical application
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Cell-based therapies are promising approaches for treating incurable diseases, but face barriers in clinical translation and commercialization. Microneedles have emerged as a potential solution for improving cell delivery and sampling. This review highlights the latest advancements in microneedles for cell-based therapies and their applications in various diseases.
Cell-based therapeutics are novel therapeutic strategies that can potentially treat many presently incurable diseases through novel mechanisms of action. Cell therapies may benefit from the ease, safety, and efficacy of administering therapeutic cells. Despite considerable recent technological and biological advances, several barriers remain to the clinical translation and commercialization of cell-based therapies, including low patient compliance, personal handling inconvenience, poor biosafety, and limited biocompatibility. Microneedles (MNs) are emerging as a promising biomedical device option for improved cell delivery with little invasion, pain-free administration, and simplicity of disposal. MNs have shown considerable promise in treating a wide range of diseases and present the potential to improve cell-based therapies. In this review, we first summarized the latest advances in the various types of MNs developed for cell delivery and cell sampling. Emphasis was given to the design and fabrication of various types of MNs based on their structures and materials. Then we focus on the recent biomedical applications status of MNs-mediated cell delivery and sampling, including tissue repair (wound healing, heart repair, and endothelial repair), cancer treatment, diabetes therapy, cell sampling, and other applications. Finally, the current status of clinical application, potential perspectives, and the challenges for clinical translation are also highlighted.
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