Generation of a stable cell line overexpressing the furin enzyme

Dengue virus (DENV) is a global threat where it is estimated that 390 million dengue infections occur annually. One of the challenges in DENV research is the production of a homogenous population of DENV particles. Furin is an important protease that cleaves the premembrane (prM) of immature DENV to...

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Main Author: Tan, Cherie Kun Chu
Other Authors: Gough Au
Format: Final Year Project
Language:English
Published: 2018
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Online Access:http://hdl.handle.net/10356/74849
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-748492023-02-28T18:00:54Z Generation of a stable cell line overexpressing the furin enzyme Tan, Cherie Kun Chu Gough Au School of Biological Sciences A*STAR Singapore Immunology Network Katja Fink DRNTU::Science Dengue virus (DENV) is a global threat where it is estimated that 390 million dengue infections occur annually. One of the challenges in DENV research is the production of a homogenous population of DENV particles. Furin is an important protease that cleaves the premembrane (prM) of immature DENV to pr peptide and M protein, forming mature DENV particles. However, inefficient furin-mediated cleavage produces heterogeneous mixtures of DENV virions. The goal of this project was to generate a stably transfected cell line expressing high levels of human furin to produce a more homogenous DENV population. Furin was cloned from U937-DC-SIGN cells and modified to include a V5 epitope tag. This gene was cloned into a commercially available pcDNA3.1(+) vector and transfected into Vero and HEK293T cells. Expression of furin-V5 protein in transfected HEK293T cells was confirmed by dot blot and western blot probed with an anti-V5-HRP antibody. The results from this project have contributed to the establishment of a cell line expressing furin and further selection is ongoing to generate the stable cell line. Further experiments are required to test the functional expression of furin and whether the cell line results in higher levels of mature DENV particles post infection. Bachelor of Science in Biological Sciences 2018-05-24T06:08:04Z 2018-05-24T06:08:04Z 2018 Final Year Project (FYP) http://hdl.handle.net/10356/74849 en Nanyang Technological University 40 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Science
spellingShingle DRNTU::Science
Tan, Cherie Kun Chu
Generation of a stable cell line overexpressing the furin enzyme
description Dengue virus (DENV) is a global threat where it is estimated that 390 million dengue infections occur annually. One of the challenges in DENV research is the production of a homogenous population of DENV particles. Furin is an important protease that cleaves the premembrane (prM) of immature DENV to pr peptide and M protein, forming mature DENV particles. However, inefficient furin-mediated cleavage produces heterogeneous mixtures of DENV virions. The goal of this project was to generate a stably transfected cell line expressing high levels of human furin to produce a more homogenous DENV population. Furin was cloned from U937-DC-SIGN cells and modified to include a V5 epitope tag. This gene was cloned into a commercially available pcDNA3.1(+) vector and transfected into Vero and HEK293T cells. Expression of furin-V5 protein in transfected HEK293T cells was confirmed by dot blot and western blot probed with an anti-V5-HRP antibody. The results from this project have contributed to the establishment of a cell line expressing furin and further selection is ongoing to generate the stable cell line. Further experiments are required to test the functional expression of furin and whether the cell line results in higher levels of mature DENV particles post infection.
author2 Gough Au
author_facet Gough Au
Tan, Cherie Kun Chu
format Final Year Project
author Tan, Cherie Kun Chu
author_sort Tan, Cherie Kun Chu
title Generation of a stable cell line overexpressing the furin enzyme
title_short Generation of a stable cell line overexpressing the furin enzyme
title_full Generation of a stable cell line overexpressing the furin enzyme
title_fullStr Generation of a stable cell line overexpressing the furin enzyme
title_full_unstemmed Generation of a stable cell line overexpressing the furin enzyme
title_sort generation of a stable cell line overexpressing the furin enzyme
publishDate 2018
url http://hdl.handle.net/10356/74849
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