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EcoHIV/NDK-NanoLuc, A Fluorescein-Labeled Virus Permits to Investigate HIV-1 Infection in Mice

Published: 20 July 2021 Publication History

Abstract

EcoHIV/NDK is a recombinant virus modified from HIV-1 that uses mice as a host. NanoLuc (Nluc) luciferase is a genetically engineered small molecule enzyme (19.1kDa). It is currently the best bioluminescence reporter gene which uses furimazine as a luminescent substrate to produce detectable fluorescence. In order to quantify and locate the levels of EcoHIV/NDK infection and expression, the EcoHIV/NDK plasmid and the Nluc luciferase gene were integrated together to construct EcoHIV/NDK-NanoLuc virus. To verify whether EcoHIV/NDK-NanoLuc is effective in in vivo and in vitro, we conducted the following experiments. First, the existence of the nanoluc fragment in the recombinant plasmid was verified by PCR amplification, and then the correctness of the plasmid construction was verified by restriction enzyme digestion. As a result, the correct recombinant and plasmid were constructed. The Nluc luciferase reporter gene was used to indicate the infection of the successfully packaged virus on Hela-mCAT cells and the three strains of Kunming mice, BALB/c nude mice, and 129S2/SvPasCrl mice, respectively. Our results show that EcoHIV/NDK-NanoLuc can effectively infect Hela-mCAT cells and three strains of mice, in which viral replication site and distribution was detected through the luciferase reporter gene.

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cover image ACM Other conferences
ICBET '21: Proceedings of the 2021 11th International Conference on Biomedical Engineering and Technology
March 2021
200 pages
ISBN:9781450387897
DOI:10.1145/3460238
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Publication History

Published: 20 July 2021

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Author Tags

  1. EcoHIV/NDK-NanoLuc
  2. Luciferase Activity Assay
  3. Nano luciferase
  4. mCAT

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