Expression of Human papillomavirus type 16 major capsid protein in transgenic Nicotiana tabacum cv. Xanthi

Arvind Varsani, A. L. Williamson, R. C. Rose, M. Jaffer, Edward P. Rybicki

Research output: Contribution to journalArticle

73 Citations (Scopus)

Abstract

The production of vaccine antigens in plants is a safe and potentially very cost-effective alternative to traditional expression systems. We investigated the possibility of transgenic plant expression of the Human papillomavirus (HPV) type 16 L1 major capsid protein, with and without nuclear localisation signals, in Nicotiana tabacum cv. Xanthi plants. The genes were stably integrated into the N. tabacum genome, and both the expressed proteins were capable of assembling into capsomers and virus-like particles. The proteins in concentrated leaf extracts (L1Tr) were tested for antigenicity using a panel of characterised monoclonal antibodies (Mabs). Neutralising and conformation-specific Mabs (H16:V5 and H16:E70) were shown to bind to both types of the plant-produced particles. We estimated the L1 Tr product yield to be 2-4 μg per kg of fresh leaf material. Rabbits immunised with small doses of plant-produced particles elicited a weak anti-HPV-16 L1 immune response. Our results support the feasibility of using transgenic plants for the production of HPV vaccines.

Original languageEnglish (US)
Pages (from-to)1771-1786
Number of pages16
JournalArchives of Virology
Volume148
Issue number9
DOIs
StatePublished - Sep 1 2003
Externally publishedYes

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Human papillomavirus 16
Capsid Proteins
Tobacco
Genetically Modified Plants
Plant Antigens
Monoclonal Antibodies
Papillomavirus Vaccines
Nuclear Localization Signals
Virion
Proteins
Vaccines
Genome
Rabbits
Costs and Cost Analysis
Genes
asoxime chloride

ASJC Scopus subject areas

  • Genetics
  • Applied Microbiology and Biotechnology

Cite this

Expression of Human papillomavirus type 16 major capsid protein in transgenic Nicotiana tabacum cv. Xanthi. / Varsani, Arvind; Williamson, A. L.; Rose, R. C.; Jaffer, M.; Rybicki, Edward P.

In: Archives of Virology, Vol. 148, No. 9, 01.09.2003, p. 1771-1786.

Research output: Contribution to journalArticle

Varsani, Arvind ; Williamson, A. L. ; Rose, R. C. ; Jaffer, M. ; Rybicki, Edward P. / Expression of Human papillomavirus type 16 major capsid protein in transgenic Nicotiana tabacum cv. Xanthi. In: Archives of Virology. 2003 ; Vol. 148, No. 9. pp. 1771-1786.
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