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  • DNA Methylation Changes in Human Papillomavirus-Driven Head and Neck Cancers

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    Punyadeera521794-Published.pdf (1.215Mb)
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    Version of Record (VoR)
    Author(s)
    Ekanayake Weeramange, C
    Tang, KD
    Vasani, S
    Langton-Lockton, J
    Kenny, L
    Punyadeera, C
    Griffith University Author(s)
    Punyadeera, Chamindie
    Weeramange, Chameera
    Year published
    2020
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    Abstract
    Disruption of DNA methylation patterns is one of the hallmarks of cancer. Similar to other cancer types, human papillomavirus (HPV)-driven head and neck cancer (HNC) also reveals alterations in its methylation profile. The intrinsic ability of HPV oncoproteins E6 and E7 to interfere with DNA methyltransferase activity contributes to these methylation changes. There are many genes that have been reported to be differentially methylated in HPV-driven HNC. Some of these genes are involved in major cellular pathways, indicating that DNA methylation, at least in certain instances, may contribute to the development and progression ...
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    Disruption of DNA methylation patterns is one of the hallmarks of cancer. Similar to other cancer types, human papillomavirus (HPV)-driven head and neck cancer (HNC) also reveals alterations in its methylation profile. The intrinsic ability of HPV oncoproteins E6 and E7 to interfere with DNA methyltransferase activity contributes to these methylation changes. There are many genes that have been reported to be differentially methylated in HPV-driven HNC. Some of these genes are involved in major cellular pathways, indicating that DNA methylation, at least in certain instances, may contribute to the development and progression of HPV-driven HNC. Furthermore, the HPV genome itself becomes a target of the cellular DNA methylation machinery. Some of these methylation changes appearing in the viral long control region (LCR) may contribute to uncontrolled oncoprotein expression, leading to carcinogenesis. Consistent with these observations, demethylation therapy appears to have significant effects on HPV-driven HNC. This review article comprehensively summarizes DNA methylation changes and their diagnostic and therapeutic indications in HPV-driven HNC.
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    Journal Title
    Cells
    Volume
    9
    Issue
    6
    DOI
    https://doi.org/10.3390/cells9061359
    Copyright Statement
    © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
    Subject
    Oncology and carcinogenesis
    Cancer genetics
    Epigenetics (incl. genome methylation and epigenomics)
    DNA methylation
    head and neck cancer
    human papillomavirus
    Publication URI
    http://hdl.handle.net/10072/411982
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    • Journal articles

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