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Volume 13
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10.3390/v13071387
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Article

Retrograde Transgene Expression via Neuron-Specific Lentiviral Vector Depends on Both Species and Input Projections

by
Yukiko Otsuka
1,
Hitomi Tsuge
1,
Shiori Uezono
1,2,
Soshi Tanabe
1,
Maki Fujiwara
1,
Miki Miwa
3,
Shigeki Kato
4,
Katsuki Nakamura
3,
Kazuto Kobayashi
4,
Ken-ichi Inoue
1,* and
Masahiko Takada
1,*
1
Systems Neuroscience Section, Department of Neuroscience, Primate Research Institute, Kyoto University, Inuyama 484-8506, Aichi, Japan
2
Department of Rehabilitation, Faculty of Health Science, University of Tokyo Health Sciences, Tama, Tokyo 206-0033, Japan
3
Cognitive Neuroscience Section, Department of Neuroscience, Primate Research Institute, Kyoto University, Inuyama 484-8506, Aichi, Japan
4
Department of Molecular Genetics, Institute of Biomedical Sciences, Fukushima Medical University School of Medicine, Fukushima 960-1295, Fukushima, Japan
*
Authors to whom correspondence should be addressed.
Viruses 2021, 13(7), 1387; https://doi.org/10.3390/v13071387
Submission received: 15 June 2021 / Revised: 12 July 2021 / Accepted: 14 July 2021 / Published: 16 July 2021
(This article belongs to the Special Issue Lentiviral Vectors)
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Abstract

For achieving retrograde gene transfer, we have so far developed two types of lentiviral vectors pseudotyped with fusion envelope glycoprotein, termed HiRet vector and NeuRet vector, consisting of distinct combinations of rabies virus and vesicular stomatitis virus glycoproteins. In the present study, we compared the patterns of retrograde transgene expression for the HiRet vs. NeuRet vectors by testing the cortical input system. These vectors were injected into the motor cortex in rats, marmosets, and macaques, and the distributions of retrograde labels were investigated in the cortex and thalamus. Our histological analysis revealed that the NeuRet vector generally exhibits a higher efficiency of retrograde gene transfer than the HiRet vector, though its capacity of retrograde transgene expression in the macaque brain is unexpectedly low, especially in terms of the intracortical connections, as compared to the rat and marmoset brains. It was also demonstrated that the NeuRet but not the HiRet vector displays sufficiently high neuron specificity and causes no marked inflammatory/immune responses at the vector injection sites in the primate (marmoset and macaque) brains. The present results indicate that the retrograde transgene efficiency of the NeuRet vector varies depending not only on the species but also on the input projections.
Keywords: lentiviral vector; pseudotyping; retrograde gene transfer; cerebral cortex; thalamus; neuron specificity; inflammation; primates lentiviral vector; pseudotyping; retrograde gene transfer; cerebral cortex; thalamus; neuron specificity; inflammation; primates

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MDPI and ACS Style

Otsuka, Y.; Tsuge, H.; Uezono, S.; Tanabe, S.; Fujiwara, M.; Miwa, M.; Kato, S.; Nakamura, K.; Kobayashi, K.; Inoue, K.-i.; et al. Retrograde Transgene Expression via Neuron-Specific Lentiviral Vector Depends on Both Species and Input Projections. Viruses 2021, 13, 1387. https://doi.org/10.3390/v13071387

AMA Style

Otsuka Y, Tsuge H, Uezono S, Tanabe S, Fujiwara M, Miwa M, Kato S, Nakamura K, Kobayashi K, Inoue K-i, et al. Retrograde Transgene Expression via Neuron-Specific Lentiviral Vector Depends on Both Species and Input Projections. Viruses. 2021; 13(7):1387. https://doi.org/10.3390/v13071387

Chicago/Turabian Style

Otsuka, Yukiko, Hitomi Tsuge, Shiori Uezono, Soshi Tanabe, Maki Fujiwara, Miki Miwa, Shigeki Kato, Katsuki Nakamura, Kazuto Kobayashi, Ken-ichi Inoue, and et al. 2021. "Retrograde Transgene Expression via Neuron-Specific Lentiviral Vector Depends on Both Species and Input Projections" Viruses 13, no. 7: 1387. https://doi.org/10.3390/v13071387

APA Style

Otsuka, Y., Tsuge, H., Uezono, S., Tanabe, S., Fujiwara, M., Miwa, M., Kato, S., Nakamura, K., Kobayashi, K., Inoue, K.-i., & Takada, M. (2021). Retrograde Transgene Expression via Neuron-Specific Lentiviral Vector Depends on Both Species and Input Projections. Viruses, 13(7), 1387. https://doi.org/10.3390/v13071387

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