The Open Virology Journal




(Discontinued)

ISSN: 1874-3579 ― Volume 15, 2021

The Invisible Enemy – How Human Papillomaviruses Avoid Recognition and Clearance by the Host Immune System



Agnieszka K Grabowska, Angelika B Riemer*
Immunotherapy and -prevention, German Cancer Research Center (DKFZ), Heidelberg, Germany

Abstract

Human papillomavirus (HPV) needs to persist in squamous epithelia for a certain amount of time to complete its reproductive cycle. Therefore, the virus has evolved multiple immune evasion strategies. The interplay of these immune evasion mechanisms with the host immune system decides whether a HPV infection is cleared or becomes persistent. Clearance of HPV-induced lesions is mediated by a cellular immune response, consisting of both cytotoxic T lymphocyte and T helper cell responses. Persistent HPV infection, on the other hand, is the single most important risk factor for the development of HPV-associated premalignant lesions and HPV-driven cancers. This article reviews the immune evasion mechanisms employed by high-risk HPVs to escape host immune recognition and attack.

Keywords: Cancer, human papillomavirus (HPV), immune response, immune evasion..


Article Information


Identifiers and Pagination:

Year: 2012
Volume: 6
Issue: Suppl 2
First Page: 249
Last Page: 256
Publisher Id: TOVJ-6-249
DOI: 10.2174/1874357901206010249

Article History:

Received Date: 21/5/2012
Revision Received Date: 6/6/2012
Acceptance Date: 15/6/2012
Electronic publication date: 28/12/2012
Collection year: 2012

© Grabowska and Riemer.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.


* Address correspondence to this author at Immunotherapy and -prevention, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, D-69120 Heidelberg, Germany; Tel: +49 6221 42 3820; Fax: +49 6221 42 4852; E-mail: a.riemer@dkfz.de



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