Engineered AAVs for non-invasive gene delivery to rodent and non-human primate nervous systems.

Engineered AAVs for non-invasive gene delivery to rodent and non-human primate nervous systems.
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DOI:
10.1016/j.neuron.2022.05.003
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发表时间:
2022-07-20
期刊:
影响因子:
16.2
通讯作者:
Gradinaru, Viviana
Gradinaru, Viviana
中科院分区:
医学1区
文献类型:
--
作者:
Chen, Xinhong;Kumar, Sripriya Ravindra;Adams, Cameron D.;Yang, Daping;Wang, Tongtong;Wolfe, Damien A.;Arokiaraj, Cynthia M.;Ngo, Victoria;Campos, Lillian J.;Griffiths, Jessica A.;Ichiki, Takako;Mazmanian, Sarkis K.;Osborne, Peregrine B.;Keast, Janet R.;Miller, Cory T.;Fox, Andrew S.;Chiu, Isaac M.;Gradinaru, Viviana

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Gene therapy offers great promise in addressing neuropathologies associated with the central and peripheral nervous systems (CNS and PNS). However, genetic access remains difficult, reflecting the critical need for development of effective and non-invasive gene delivery vectors across species. To that end, we evolved adeno-associated virus serotype 9 (AAV9) capsid in mice, and validated two capsids, AAV-MaCPNS1 and AAV-MaCPNS2, across rodent species (mice and rats) and non-human primate (NHP) species (marmosets and rhesus macaques). Intravenous administration of either AAV efficiently transduced the PNS in rodents, and both the PNS and CNS in NHPs. Furthermore, we used AAV-MaCPNS1 in mice to systemically deliver: (1) the neuronal sensor jGCaMP8s to record calcium signal dynamics in nodose ganglia, and (2) the neuronal actuator DREADD to dorsal root ganglia to mediate pain. This conclusively demonstrates the translatability of these two systemic AAVs across four species, and their functional utility through proof-of-concept studies in mice. Chen et al. evolved a family of AAV capsids variants, including MaCPNS1 and MaCPNS2, that efficiently transduced the PNS in rodents following systemic administration, enabling functional readout and non-invasive modulation of PNS. Both vectors could also enable efficient gene delivery to both PNS and CNS in NHPs.
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