A Sendai Virus-Based Cytoplasmic RNA Vector as a Novel Platform for Long-Term Expression of MicroRNAs
Cytoplasmic RNA virus-derived vectors have emerged as attractive vehicles for microRNA (miRNA) delivery as they possess no potential risk of chromosomal insertion. However, their relatively short-term expression limits their use in biological applications that require long-term miRNA manipulation, s...
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doaj-e7b98c1f09404f11a96f1405a2044f4c2020-11-25T01:19:56ZengElsevierMolecular Therapy: Methods & Clinical Development2329-05012019-12-0115371382A Sendai Virus-Based Cytoplasmic RNA Vector as a Novel Platform for Long-Term Expression of MicroRNAsMasayuki Sano0Asako Nakasu1Manami Ohtaka2Mahito Nakanishi3Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan; Corresponding author: Masayuki Sano, Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan.Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, JapanBiotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, JapanBiotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, JapanCytoplasmic RNA virus-derived vectors have emerged as attractive vehicles for microRNA (miRNA) delivery as they possess no potential risk of chromosomal insertion. However, their relatively short-term expression limits their use in biological applications that require long-term miRNA manipulation, such as somatic cell reprogramming. Here, we show that a cytoplasmic RNA virus vector based on a replication-defective and persistent Sendai virus (SeVdp) serves as an effective platform for long-term production of miRNAs capable of inducing sequence-specific target suppression. The SeVdp vector was able to simultaneously deliver embryonic stem cell-enriched miRNAs, as well as multiple transcription factors, into fibroblasts, resulting in effective reprogramming into induced pluripotent stem cells. Furthermore, we report that the murine miR-367 hairpin produced elevated levels of mature miRNA when it was incorporated into the SeVdp vector and served as an effective backbone for production of artificial miRNAs. These SeVdp vector-derived artificial miRNAs efficiently inhibited expression of target genes. Our findings provide novel insights into a powerful tool for long-term and targeted gene silencing in areas such as regenerative medicine, gene therapy, and cell therapy. Keywords: Sendai virus, RNA virus vector, miRNA delivery, artificial miRNA, cell reprogramming, iPSCshttp://www.sciencedirect.com/science/article/pii/S2329050119301202 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Masayuki Sano Asako Nakasu Manami Ohtaka Mahito Nakanishi |
spellingShingle |
Masayuki Sano Asako Nakasu Manami Ohtaka Mahito Nakanishi A Sendai Virus-Based Cytoplasmic RNA Vector as a Novel Platform for Long-Term Expression of MicroRNAs Molecular Therapy: Methods & Clinical Development |
author_facet |
Masayuki Sano Asako Nakasu Manami Ohtaka Mahito Nakanishi |
author_sort |
Masayuki Sano |
title |
A Sendai Virus-Based Cytoplasmic RNA Vector as a Novel Platform for Long-Term Expression of MicroRNAs |
title_short |
A Sendai Virus-Based Cytoplasmic RNA Vector as a Novel Platform for Long-Term Expression of MicroRNAs |
title_full |
A Sendai Virus-Based Cytoplasmic RNA Vector as a Novel Platform for Long-Term Expression of MicroRNAs |
title_fullStr |
A Sendai Virus-Based Cytoplasmic RNA Vector as a Novel Platform for Long-Term Expression of MicroRNAs |
title_full_unstemmed |
A Sendai Virus-Based Cytoplasmic RNA Vector as a Novel Platform for Long-Term Expression of MicroRNAs |
title_sort |
sendai virus-based cytoplasmic rna vector as a novel platform for long-term expression of micrornas |
publisher |
Elsevier |
series |
Molecular Therapy: Methods & Clinical Development |
issn |
2329-0501 |
publishDate |
2019-12-01 |
description |
Cytoplasmic RNA virus-derived vectors have emerged as attractive vehicles for microRNA (miRNA) delivery as they possess no potential risk of chromosomal insertion. However, their relatively short-term expression limits their use in biological applications that require long-term miRNA manipulation, such as somatic cell reprogramming. Here, we show that a cytoplasmic RNA virus vector based on a replication-defective and persistent Sendai virus (SeVdp) serves as an effective platform for long-term production of miRNAs capable of inducing sequence-specific target suppression. The SeVdp vector was able to simultaneously deliver embryonic stem cell-enriched miRNAs, as well as multiple transcription factors, into fibroblasts, resulting in effective reprogramming into induced pluripotent stem cells. Furthermore, we report that the murine miR-367 hairpin produced elevated levels of mature miRNA when it was incorporated into the SeVdp vector and served as an effective backbone for production of artificial miRNAs. These SeVdp vector-derived artificial miRNAs efficiently inhibited expression of target genes. Our findings provide novel insights into a powerful tool for long-term and targeted gene silencing in areas such as regenerative medicine, gene therapy, and cell therapy. Keywords: Sendai virus, RNA virus vector, miRNA delivery, artificial miRNA, cell reprogramming, iPSCs |
url |
http://www.sciencedirect.com/science/article/pii/S2329050119301202 |
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