Recombinant hepatitis B virus core particles: association, dissociation and encapsidation of green fluorescent protein.

The recombinant hepatitis B virus (HBV) core antigen (HBcAg) expressed in Escherichia coli self-assembles into icosahedral capsids of about 35 nm which can be exploited as gene or drug delivery vehicles. The association and dissociation properties of the C-terminally truncated HBcAg with urea and gu...

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Main Authors: Lee, Khai Wooi, Tan, Wen Siang
Format: Article
Language:English
English
Published: Elsevier 2008
Subjects:
Online Access:http://psasir.upm.edu.my/id/eprint/16448/1/Recombinant%20hepatitis%20B%20virus%20core%20particles.pdf
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author Lee, Khai Wooi
Tan, Wen Siang
author_facet Lee, Khai Wooi
Tan, Wen Siang
author_sort Lee, Khai Wooi
collection UPM
description The recombinant hepatitis B virus (HBV) core antigen (HBcAg) expressed in Escherichia coli self-assembles into icosahedral capsids of about 35 nm which can be exploited as gene or drug delivery vehicles. The association and dissociation properties of the C-terminally truncated HBcAg with urea and guanidine hydrochloride (GdnHCl) were studied. Transmission electron microscopy (TEM) revealed that the dissociated HBcAg was able to re-associate into particles when the applied denaturing agents were physically removed. In order to evaluate the potential of the particles in capturing molecules, purified green fluorescent protein (GFP) was applied to the dissociated HBcAg for encapsidation. The HBcAg particles harbouring the GFP molecules were purified using sucrose density gradient ultracentrifugation and analysed using native agarose gel electrophoresis and TEM. A method for the encapsidation of GFP in HBcAg particles which has the potential to capture drugs or nucleic acids was established.
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spelling upm.eprints-164482015-10-05T08:28:29Z http://psasir.upm.edu.my/id/eprint/16448/ Recombinant hepatitis B virus core particles: association, dissociation and encapsidation of green fluorescent protein. Lee, Khai Wooi Tan, Wen Siang The recombinant hepatitis B virus (HBV) core antigen (HBcAg) expressed in Escherichia coli self-assembles into icosahedral capsids of about 35 nm which can be exploited as gene or drug delivery vehicles. The association and dissociation properties of the C-terminally truncated HBcAg with urea and guanidine hydrochloride (GdnHCl) were studied. Transmission electron microscopy (TEM) revealed that the dissociated HBcAg was able to re-associate into particles when the applied denaturing agents were physically removed. In order to evaluate the potential of the particles in capturing molecules, purified green fluorescent protein (GFP) was applied to the dissociated HBcAg for encapsidation. The HBcAg particles harbouring the GFP molecules were purified using sucrose density gradient ultracentrifugation and analysed using native agarose gel electrophoresis and TEM. A method for the encapsidation of GFP in HBcAg particles which has the potential to capture drugs or nucleic acids was established. Elsevier 2008 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/16448/1/Recombinant%20hepatitis%20B%20virus%20core%20particles.pdf Lee, Khai Wooi and Tan, Wen Siang (2008) Recombinant hepatitis B virus core particles: association, dissociation and encapsidation of green fluorescent protein. Journal of Virological Methods, 151 (2). pp. 172-180. ISSN 0166-0934 Hepatitis B virus. Hepatitis associated antigen. Green fluorescent protein. doi:10.1016/j.jviromet.2008.05.025 English
spellingShingle Hepatitis B virus.
Hepatitis associated antigen.
Green fluorescent protein.
Lee, Khai Wooi
Tan, Wen Siang
Recombinant hepatitis B virus core particles: association, dissociation and encapsidation of green fluorescent protein.
title Recombinant hepatitis B virus core particles: association, dissociation and encapsidation of green fluorescent protein.
title_full Recombinant hepatitis B virus core particles: association, dissociation and encapsidation of green fluorescent protein.
title_fullStr Recombinant hepatitis B virus core particles: association, dissociation and encapsidation of green fluorescent protein.
title_full_unstemmed Recombinant hepatitis B virus core particles: association, dissociation and encapsidation of green fluorescent protein.
title_short Recombinant hepatitis B virus core particles: association, dissociation and encapsidation of green fluorescent protein.
title_sort recombinant hepatitis b virus core particles association dissociation and encapsidation of green fluorescent protein
topic Hepatitis B virus.
Hepatitis associated antigen.
Green fluorescent protein.
url http://psasir.upm.edu.my/id/eprint/16448/1/Recombinant%20hepatitis%20B%20virus%20core%20particles.pdf
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