Human papillomavirus type 58 L1 virus-like particles purified by two-step chromatography elicit high levels of long-lasting neutralizing antibodies

Human papillomavirus type 58 L1 virus-like particles purified by two-step chromatography elicit... Human papillomavirus (HPV) type 58 is a high-risk type of HPV frequently detected in cervical cancers, especially in Eastern Asia. There are still no commercially available vaccines against HPV 58 infection. High levels of long-lasting neutralizing antibodies are crucial for long-term protection against HPV infection. Here, we have developed a two-step chromatography strategy and have purified highly pure HPV L1 proteins, which form more homogenous and uniform VLPs than those purified by CsCl ultracentrifugation. Low-dosage immunization with HPV 58 L1 VLPs alone or co-administrated with HPV 16 and HPV 18 L1 VLPs is sufficient to induce high levels of long-lasting neutralizing antibodies in mice. Our results suggest that the highly immunogenic HPV 58 L1 VLPs are a good candidate for use in developing effective vaccines against HPV 58 infection. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Human papillomavirus type 58 L1 virus-like particles purified by two-step chromatography elicit high levels of long-lasting neutralizing antibodies

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Publisher
Springer Vienna
Copyright
Copyright © 2013 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-012-1465-x
Publisher site
See Article on Publisher Site

Abstract

Human papillomavirus (HPV) type 58 is a high-risk type of HPV frequently detected in cervical cancers, especially in Eastern Asia. There are still no commercially available vaccines against HPV 58 infection. High levels of long-lasting neutralizing antibodies are crucial for long-term protection against HPV infection. Here, we have developed a two-step chromatography strategy and have purified highly pure HPV L1 proteins, which form more homogenous and uniform VLPs than those purified by CsCl ultracentrifugation. Low-dosage immunization with HPV 58 L1 VLPs alone or co-administrated with HPV 16 and HPV 18 L1 VLPs is sufficient to induce high levels of long-lasting neutralizing antibodies in mice. Our results suggest that the highly immunogenic HPV 58 L1 VLPs are a good candidate for use in developing effective vaccines against HPV 58 infection.

Journal

Archives of VirologySpringer Journals

Published: Jan 1, 2013

References

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