Journal
ADVANCED DRUG DELIVERY REVIEWS
Volume 81, Issue -, Pages 128-141Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.addr.2014.05.009
Keywords
miRNA; Gene delivery; In vivo delivery; Cancer therapy; Nanotechnology
Categories
Funding
- NIH [CA151652, CA151455, CA149363]
- NSC [102-2320-B-007-011-MY2]
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MicroRNAs (miRNAs), small non-coding RNAs, can regulate post-transcriptional gene expressions and silence a broad set of target genes. miRNAs, aberrantly expressed in cancer cells, play an important role in modulating gene expressions, thereby regulating downstream signaling pathways and affecting cancer formation and progression. Oncogenes or tumor suppressor genes regulated by miRNAs mediate cell cycle progression, metabolism, cell death, angiogenesis, metastasis and immunosuppression in cancer. Recently, miRNAs have emerged as therapeutic targets or tools and biomarkers for diagnosis and therapy monitoring in cancer. Since miRNAs can regulate multiple cancer-related genes simultaneously, using miRNAs as a therapeutic approach plays an important role in cancer therapy. However, one of the major challenges of miRNA-based cancer therapy is to achieve specific, efficient and safe systemic delivery of therapeutic miRNAs in vivo. This review discusses the key challenges to the development of the carriers for miRNA-based therapy and explores current strategies to systemically deliver miRNAs to cancer without induction of toxicity. (C) 2014 Elsevier B.V. All rights reserved.
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