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Home  > Press Release  > Therapeutic Potential of LNP-Mediated Delivery of miR-634 for Cancer Therapy

Therapeutic Potential of LNP-Mediated Delivery of miR-634 for Cancer Therapy

Abstract

MicroRNAs (miRNAs) are endogenous small noncoding RNAs that negatively regulate gene expression by interfering with the translation or stability of target transcripts. Some tumor-suppressive miRNAs can concurrently target multiple cancer-promoting genes and may be useful as therapeutic anticancer agents. However, the development of drug delivery systems is critical for the implementation of miRNA-based therapeutics. We have previously demonstrated that the enforced expression of miR-634 effectively induces apoptosis by concurrently and directly targeting genes associated with mitochondrial homeostasis, antiapoptosis signaling, antioxidant ability, and autophagy in cancer cells. In the current study, we validated the therapeutic potential of lipid nanoparticle (LNP)-mediated delivery of miR-634 for cancer therapy. We confirmed the ability of enforced expression of miR-634 to induce apoptosis in various cancer cell lines, including pancreatic cancer cells. Intravenous administration of LNPs harboring miR-634 significantly reduced the xenograft tumor growth of BxPC-3 pancreatic cancer cells in mice. These findings suggest that LNP-mediated delivery of miR-634 can potentially be used for cancer therapy.

Journal Article

JOURNAL:
Molecular Therapy Nucleic Acids

TITLE:
Therapeutic potential of LNP-mediated delivery of miR-634 for cancer therapy

DOI:
https://doi.org/10.1016/j.omtn.2019.10.045

Correspondence to

INAZAWA Johji, Ph.D., Professor
INOUE Jun, Ph.D., Associate Professor
Molecular Cytogenetics,
Medical Research Institute,
Tokyo Medical and Dental University(TMDU)
E-mail:johinaz.cgen(at)mri.tmd.ac.jp
E-mail:jun.cgen(at)mri.tmd.ac.jp


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