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HPV Elimination: A Highway to the Elimination of HPV-Associated Cancers

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Pathology, Diagnostics, and Therapeutics".

Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 11138

Special Issue Editor


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Guest Editor
1. Gynecology Oncology Unit, Institute Clinic of Gynecology, Obstetrics, and Neonatology, Hospital Clínic, 08036 Barcelona, Spain
2. Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) University of Barcelona, Barcelona, Spain
Interests: HPV; CIN; VIN; AIN; prognosis; genotyping; p16; dual staining; HPV-vaccines
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Human papillomavirus (HPV) is a very common infection that affects both women and men. Although the immune system is usually able to clear the virus, some infections persist and induce cell abnormalities that range from benign self-limited proliferations, to premalignant lesions with significant risk of progression to cancer. HPV-associated carcinogenesis is a multistep process associated with accumulation of genetic alterations in cells involving genetic instability, immune deficiency, sustaining cell proliferative signals, evading of growth suppressors, replicative immortality, resisting cell death, deregulation of cellular energetics, sustained angiogenesis, invasion & metastasis. Indeed, persistent HPV infection is a known causal agent of cancers of different anatomical sites that include uterine cervix, vagina, vulva, penis, anus, and head and neck.

Never in history has a cancer been eliminated, understanding elimination as a reduction to near zero in a defined geographic area. However, it has been recently claimed that HPV infection and related cancers elimination is a real possibility. Research is showing that the elimination of certain HPV types and the diseases they cause is feasible. Reaching this dream implies a close collaboration between the scientific and health communities with local governments and funding agencies, accelerating progress towards this objective. Forging this path requires sustained action by organizations and individuals in cancer control, immunization, and public health communities worldwide.

The HPV vaccine is highly effective at preventing infection, and provides long-lasting protection. HPV vaccination can prevent infection with high-risk HPV types, which cause about 90% of HPV cancers, and has led to substantial population-wide decreases in cervical cancer and precancer rates. Moreover, HPV vaccination has also shown substantial benefit in preventing anal lesions and oropharyngeal HPV infection. Modeling shows that if 90% HPV vaccination coverage for pre-teen boys and girls as well as high-coverage screening and treatment for cervical pre-cancers are met for an uninterrupted period, elimination of HPV infections and HPV-associated cancers would be achievable within the next 20 years, and, in settings where routine screening is also practiced, the elimination of cervical cancer in this period of time.

The search for new proposals for this disease control and prevention has brought new findings and approaches in the context of molecular biology indicating innovations and perspectives in the early detection and prevention of the disease. In this Special Issue, we look forward promoting and recognizing molecular signaling pathways activated by HPV and potential targets or biomarkers for early detection or prevention and the treatment of HPV-associated cancers.

Dr. Marta del Pino
Guest Editor

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Keywords

  • HPV vaccines
  • screening
  • triage
  • biomarkers (DNA, mRNA, E6, E7, E4, p16, Ki67, miRNA, methylation, genotyping, etc.)
  • HPV infection
  • HPV-related cancer (cervical cancer, anal cancer, penile cancer, vulva, cancer, vagina cancer, oropharyngeal cancer)

Published Papers (3 papers)

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Research

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15 pages, 4997 KiB  
Article
HPV Integration Site Mapping: A Rapid Method of Viral Integration Site (VIS) Analysis and Visualization Using Automated Workflows in CLC Microbial Genomics
by Jane Shen-Gunther, Hong Cai and Yufeng Wang
Int. J. Mol. Sci. 2022, 23(15), 8132; https://doi.org/10.3390/ijms23158132 - 23 Jul 2022
Cited by 4 | Viewed by 3558
Abstract
Human papillomavirus (HPV) integration within the host genome may contribute to carcinogenesis through various disruptive mechanisms. With next-generation sequencing (NGS), identification of viral and host genomic breakpoints and chimeric sequences are now possible. However, a simple, streamlined bioinformatics workflow has been non-existent until [...] Read more.
Human papillomavirus (HPV) integration within the host genome may contribute to carcinogenesis through various disruptive mechanisms. With next-generation sequencing (NGS), identification of viral and host genomic breakpoints and chimeric sequences are now possible. However, a simple, streamlined bioinformatics workflow has been non-existent until recently. Here, we tested two new, automated workflows in CLC Microbial Genomics, i.e., Viral Hybrid Capture (VHC) Data Analysis and Viral Integration Site (VIS) Identification for software performance and efficiency. The workflows embedded with HPV and human reference genomes were used to analyze a publicly available NGS dataset derived from pre- and cancerous HPV+ cervical cytology of 21 Gabonese women. The VHC and VIS workflow median runtimes were 19 and 7 min per sample, respectively. The VIS dynamic graphical outputs included read mappings, virus-host genomic breakpoints, and virus-host integration circular plots. Key findings, including disrupted and nearby genes, were summarized in an auto-generated report. Overall, the VHC and VIS workflows proved to be a rapid and accurate means of localizing viral-host integration site(s) and identifying disrupted and neighboring human genes. Applying HPV VIS-mapping to pre- or invasive tumors will advance our understanding of viral oncogenesis and facilitate the discovery of prognostic biomarkers and therapeutic targets. Full article
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17 pages, 2603 KiB  
Article
High-Grade Cervical Intraepithelial Neoplasia (CIN) Associates with Increased Proliferation and Attenuated Immune Signaling
by Irene Tveiterås Øvestad, Birgit Engesæter, Mari Kyllesø Halle, Saleha Akbari, Beatrix Bicskei, Morten Lapin, Marie Austdal, Emiel A. M. Janssen, Camilla Krakstad, Melinda Lillesand, Marit Nordhus, Ane Cecilie Munk and Einar G. Gudlaugsson
Int. J. Mol. Sci. 2022, 23(1), 373; https://doi.org/10.3390/ijms23010373 - 29 Dec 2021
Cited by 11 | Viewed by 2737
Abstract
Implementation of high-risk human papilloma virus (HPV) screening and the increasing proportion of HPV vaccinated women in the screening program will reduce the percentage of HPV positive women with oncogenic potential. In search of more specific markers to identify women with high risk [...] Read more.
Implementation of high-risk human papilloma virus (HPV) screening and the increasing proportion of HPV vaccinated women in the screening program will reduce the percentage of HPV positive women with oncogenic potential. In search of more specific markers to identify women with high risk of cancer development, we used RNA sequencing to compare the transcriptomic immune-profile of 13 lesions with cervical intraepithelial neoplasia grade 3 (CIN3) or adenocarcinoma in situ (AIS) and 14 normal biopsies from women with detected HPV infections. In CIN3/AIS lesions as compared to normal tissue, 27 differential expressed genes were identified. Transcriptomic analysis revealed significantly higher expression of a number of genes related to proliferation, (CDKN2A, MELK, CDK1, MKI67, CCNB2, BUB1, FOXM1, CDKN3), but significantly lower expression of genes related to a favorable immune response (NCAM1, ARG1, CD160, IL18, CX3CL1). Compared to the RNA sequencing results, good correlation was achieved with relative quantitative PCR analysis for NCAM1 and CDKN2A. Quantification of NCAM1 positive cells with immunohistochemistry showed epithelial reduction of NCAM1 in CIN3/AIS lesions. In conclusion, NCAM1 and CDKN2A are two promising candidates to distinguish whether women are at high risk of developing cervical cancer and in need of frequent follow-up. Full article
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Review

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24 pages, 775 KiB  
Review
High Risk-Human Papillomavirus in HNSCC: Present and Future Challenges for Epigenetic Therapies
by Lavinia Ghiani and Susanna Chiocca
Int. J. Mol. Sci. 2022, 23(7), 3483; https://doi.org/10.3390/ijms23073483 - 23 Mar 2022
Cited by 14 | Viewed by 3914
Abstract
Head and Neck Squamous Cell Carcinoma (HNSCC) is a highly heterogeneous group of tumors characterized by an incidence of 650,000 new cases and 350,000 deaths per year worldwide and a male to female ratio of 3:1. The main risk factors are alcohol and [...] Read more.
Head and Neck Squamous Cell Carcinoma (HNSCC) is a highly heterogeneous group of tumors characterized by an incidence of 650,000 new cases and 350,000 deaths per year worldwide and a male to female ratio of 3:1. The main risk factors are alcohol and tobacco consumption and Human Papillomavirus (HPV) infections. HNSCC cases are divided into two subgroups, the HPV-negative (HPV−) and the HPV-positive (HPV+) which have different clinicopathological and molecular profiles. However, patients are still treated with the same therapeutic regimens. It is thus of utmost importance to characterize the molecular mechanisms underlying these differences to find new biomarkers and novel therapeutic targets towards personalized therapies. Epigenetic alterations are a hallmark of cancer and can be exploited as both promising biomarkers and potential new targets. E6 and E7 HPV oncoviral proteins besides targeting p53 and pRb, impair the expression and the activity of several epigenetic regulators. While alterations in DNA methylation patterns have been well described in HPV+ and HPV− HNSCC, accurate histone post-translational modifications (hPTMs) characterization is still missing. Herein, we aim to provide an updated overview on the impact of HPV on the hPTMs landscape in HNSCC. Moreover, we will also discuss the sex and gender bias in HNSCC and how the epigenetic machinery could be involved in this process, and the importance of taking into account sex and/or gender also in this field. Full article
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