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Galati L, Chiocca S, Duca D, Tagliabue M, Simoens C, Gheit T, Arbyn M, Tommasino M. HPV and head and neck cancers: Towards early diagnosis and prevention. Tumour Virus Res 2022; 14:200245. [PMID: 35973657 PMCID: PMC9420391 DOI: 10.1016/j.tvr.2022.200245] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 07/29/2022] [Accepted: 08/08/2022] [Indexed: 01/13/2023] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC) is the sixth most common cancer worldwide with an increasing trend of its incidence. Alcohol consumption, smoking, and viral infections, such as the mucosal high-risk (HR) human papillomaviruses (HPVs) are major risk factors for HNSCC development. In particular, HR HPVs are mainly associated with a subset of oropharyngeal squamous cell carcinoma (OPSCC), while other head and neck sites are marginally affected by HPV infection. HPV16 is the most frequently HR HPV type associated with HNSCC. In contrast to the cervix, no screening programs or identifiable pre-malignant lesions have been characterized for HPV-related HNSCC. Therefore, identification of general diagnostic algorithms and HPV biomarkers that could facilitate the early diagnosis, disease evolution and recurrence for HPV-driven HNSCCs are urgently needed. We herein review the role of HPV in HNSCC with a focus on epidemiology, biology, applied diagnostic algorithms and available biomarkers in body fluids as early diagnostic tools in HPV-driven HNSCCs.
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Affiliation(s)
- Luisa Galati
- International Agency for Research on Cancer, F-69372, Lyon, France
| | - Susanna Chiocca
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, 20139, Milan, Italy
| | - Daria Duca
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, 20139, Milan, Italy
| | - Marta Tagliabue
- Department of Otolaryngology and Head and Neck Surgery, IEO, European Institute of Oncology IRCCS, 20141, Milan, Italy; Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Cindy Simoens
- Unit of Cancer Epidemiology/Belgian Cancer Centre, Sciensano, 1050, Brussels, Belgium
| | - Tarik Gheit
- International Agency for Research on Cancer, F-69372, Lyon, France.
| | - Marc Arbyn
- Unit of Cancer Epidemiology/Belgian Cancer Centre, Sciensano, 1050, Brussels, Belgium; Department of Human Structure and Repair, Faculty of Medicine and Health Sciences, University Ghent, Ghent, Belgium
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More than just oncogenes: mechanisms of tumorigenesis by human viruses. Curr Opin Virol 2018; 32:48-59. [PMID: 30268926 DOI: 10.1016/j.coviro.2018.09.003] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 09/05/2018] [Accepted: 09/14/2018] [Indexed: 12/18/2022]
Abstract
Most humans are infected with at least one of the known human cancer viruses during their lifetimes. While the initial infection with these viruses does not cause major disease, infected cells can acquire cancer hallmarks, particularly upon immunosuppression or exposure to co-carcinogenic stimuli. Even though cancer formation represents a rare outcome of a viral infection, approximately one out of eight human cancers has a viral etiology. Viral cancers present unique opportunities for prophylaxis, diagnosis, and therapy, as demonstrated by the success of HBV and HPV vaccines and HCV antivirals in decreasing the incidence of tumors that are caused by these viruses. Here we review common characteristics and mechanisms of action of the human oncogenic viruses.
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Harden ME, Munger K. Human papillomavirus molecular biology. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2016; 772:3-12. [PMID: 28528688 DOI: 10.1016/j.mrrev.2016.07.002] [Citation(s) in RCA: 110] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Revised: 06/13/2016] [Accepted: 07/04/2016] [Indexed: 12/19/2022]
Abstract
Human papillomaviruses are small DNA viruses with a tropism for squamous epithelia. A unique aspect of human papillomavirus molecular biology involves dependence on the differentiation status of the host epithelial cell to complete the viral lifecycle. A small group of these viruses are the etiologic agents of several types of human cancers, including oral and anogenital tract carcinomas. This review focuses on the basic molecular biology of human papillomaviruses.
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Affiliation(s)
- Mallory E Harden
- Program in Virology, Division of Medical Sciences, Harvard Medical School, Boston, MA, 02115, USA; Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, MA, 02111, USA
| | - Karl Munger
- Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, MA, 02111, USA.
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Human papillomavirus carcinogenesis: an identity crisis in the retinoblastoma tumor suppressor pathway. J Virol 2015; 89:4708-11. [PMID: 25673729 DOI: 10.1128/jvi.03486-14] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Viruses are obligate intracellular parasites and need to reprogram host cells to establish long-term persistent infection and/or to produce viral progeny. Cellular changes initiated by the virus trigger cellular defense responses to cripple viral replication, and viruses have evolved countermeasures to neutralize them. Established models have suggested that human papillomaviruses target the retinoblastoma (RB1) and TP53 tumor suppressor networks to usurp cellular replication, which drives carcinogenesis. More recent studies, however, suggest that modulating the activity of the Polycomb family of transcriptional repressors and the resulting changes in epigenetic regulation are proximal steps in the rewiring of cellular signaling circuits. Consequently, RB1 inactivation evolved to tolerate the resulting cellular alterations. Therefore, epigenetic reprograming results in cellular "addictions" to pathways for survival. Inhibition of such a pathway could cause "synthetic lethality" in adapted cells while not markedly affecting normal cells and could prove to be an effective therapeutic approach.
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Mesri EA, Feitelson MA, Munger K. Human viral oncogenesis: a cancer hallmarks analysis. Cell Host Microbe 2014; 15:266-82. [PMID: 24629334 DOI: 10.1016/j.chom.2014.02.011] [Citation(s) in RCA: 437] [Impact Index Per Article: 43.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Approximately 12% of all human cancers are caused by oncoviruses. Human viral oncogenesis is complex, and only a small percentage of the infected individuals develop cancer, often many years to decades after the initial infection. This reflects the multistep nature of viral oncogenesis, host genetic variability, and the fact that viruses contribute to only a portion of the oncogenic events. In this review, the Hallmarks of Cancer framework of Hanahan and Weinberg (2000 and 2011) is used to dissect the viral, host, and environmental cofactors that contribute to the biology of multistep oncogenesis mediated by established human oncoviruses. The viruses discussed include Epstein-Barr virus (EBV), high-risk human papillomaviruses (HPVs), hepatitis B and C viruses (HBV and HCV, respectively), human T cell lymphotropic virus-1 (HTLV-1), and Kaposi's sarcoma herpesvirus (KSHV).
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Affiliation(s)
- Enrique A Mesri
- Viral Oncology Program, Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA; AIDS Malignancies Scientific Working Group, Miami Center for AIDS Research, Department and Graduate Program in Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, FL 33136, USA.
| | - Mark A Feitelson
- Department of Biology, Temple University, Philadelphia, PA 19122, USA.
| | - Karl Munger
- Division of Infectious Diseases, Department of Medicine, Brigham and Women Hospital and Harvard Medical School, Boston, MA 02115, USA.
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Xylas J, Varone A, Quinn KP, Pouli D, McLaughlin-Drubin ME, Thieu HT, Garcia-Moliner ML, House M, Hunter M, Munger K, Georgakoudi I. Noninvasive assessment of mitochondrial organization in three-dimensional tissues reveals changes associated with cancer development. Int J Cancer 2014; 136:322-32. [PMID: 24862444 DOI: 10.1002/ijc.28992] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2013] [Accepted: 05/12/2014] [Indexed: 01/07/2023]
Abstract
Mitochondrial organization is often altered to accommodate cellular bioenergetic and biosynthetic demands. Changes in metabolism are a hallmark of a number of diseases, including cancer; however, the interdependence between mitochondrial metabolic function and organization is not well understood. Here, we present a noninvasive, automated and quantitative method to assess mitochondrial organization in three-dimensional (3D) tissues using exclusively endogenous two-photon excited fluorescence (TPEF) and show that mitochondrial organization reflects alterations in metabolic activities. Specifically, we examine the organization of mitochondria within live, engineered epithelial tissue equivalents that mimic normal and precancerous human squamous epithelial tissues. We identify unique patterns of mitochondrial organization in the different tissue models we examine, and we attribute these to differences in the metabolic profiles of these tissues. We find that mitochondria are clustered in tissues with high levels of glycolysis and are more highly networked in tissues where oxidative phosphorylation is more dominant. The most highly networked organization is observed within cells with high levels of glutamine consumption. Furthermore, we demonstrate that mitochondrial organization provides complementary information to traditional morphological hallmarks of cancer development, including variations in nuclear size. Finally, we present evidence that this automated quantitative analysis of endogenous TPEF images can identify differences in the mitochondrial organization of freshly excised normal and pre-cancerous human cervical tissue specimens. Thus, this method could be a promising new modality to assess the role of mitochondrial organization in the metabolic activity of 3D tissues and could be further developed to serve as an early cancer clinical diagnostic biomarker.
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Affiliation(s)
- Joanna Xylas
- Department of Biomedical Engineering, Tufts University, Medford, MA
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Van den Broeke C, Jacob T, Favoreel HW. Rho'ing in and out of cells: viral interactions with Rho GTPase signaling. Small GTPases 2014; 5:e28318. [PMID: 24691164 DOI: 10.4161/sgtp.28318] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Rho GTPases are key regulators of actin and microtubule dynamics and organization. Increasing evidence shows that many viruses have evolved diverse interactions with Rho GTPase signaling and manipulate them for their own benefit. In this review, we discuss how Rho GTPase signaling interferes with many steps in the viral replication cycle, especially entry, replication, and spread. Seen the diversity between viruses, it is not surprising that there is considerable variability in viral interactions with Rho GTPase signaling. However, several largely common effects on Rho GTPases and actin architecture and microtubule dynamics have been reported. For some of these processes, the molecular signaling and biological consequences are well documented while for others we just begin to understand them. A better knowledge and identification of common threads in the different viral interactions with Rho GTPase signaling and their ultimate consequences for virus and host may pave the way toward the development of new antiviral drugs that may target different viruses.
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Affiliation(s)
- Céline Van den Broeke
- Department of Virology, Parasitology, and Immunology; Faculty of Veterinary Medicine; Ghent University; Ghent, Belgium
| | - Thary Jacob
- Department of Virology, Parasitology, and Immunology; Faculty of Veterinary Medicine; Ghent University; Ghent, Belgium
| | - Herman W Favoreel
- Department of Virology, Parasitology, and Immunology; Faculty of Veterinary Medicine; Ghent University; Ghent, Belgium
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Avanzi S, Alvisi G, Ripalti A. How virus persistence can initiate the tumorigenesis process. World J Virol 2013; 2:102-9. [PMID: 24175234 PMCID: PMC3785046 DOI: 10.5501/wjv.v2.i2.102] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2012] [Revised: 04/04/2013] [Accepted: 04/10/2013] [Indexed: 02/05/2023] Open
Abstract
Human oncogenic viruses are defined as necessary but not sufficient to initiate cancer. Experimental evidence suggests that the oncogenic potential of a virus is effective in cells that have already accumulated a number of genetic mutations leading to cell cycle deregulation. Current models for viral driven oncogenesis cannot explain why tumor development in carriers of tumorigenic viruses is a very rare event, occurring decades after virus infection. Considering that viruses are mutagenic agents per se and human oncogenic viruses additionally establish latent and persistent infections, we attempt here to provide a general mechanism of tumor initiation both for RNA and DNA viruses, suggesting viruses could be both necessary and sufficient in triggering human tumorigenesis initiation. Upon reviewing emerging evidence on the ability of viruses to induce DNA damage while subverting the DNA damage response and inducing epigenetic disturbance in the infected cell, we hypothesize a general, albeit inefficient hit and rest mechanism by which viruses may produce a limited reservoir of cells harboring permanent damage that would be initiated when the virus first hits the cell, before latency is established. Cells surviving virus generated damage would consequently become more sensitive to further damage mediated by the otherwise insufficient transforming activity of virus products expressed in latency, or upon episodic reactivations (viral persistence). Cells with a combination of genetic and epigenetic damage leading to a cancerous phenotype would emerge very rarely, as the probability of such an occurrence would be dependent on severity and frequency of consecutive hit and rest cycles due to viral reinfections and reactivations.
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Kraus I, Driesch C, Vinokurova S, Hovig E, Schneider A, von Knebel Doeberitz M, Dürst M. The majority of viral-cellular fusion transcripts in cervical carcinomas cotranscribe cellular sequences of known or predicted genes. Cancer Res 2008; 68:2514-22. [PMID: 18381461 DOI: 10.1158/0008-5472.can-07-2776] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Integration of human papillomavirus (HPV) DNA into the host genome is a frequent event in cervical carcinogenesis and is reported to occur at randomly selected chromosomal sites. However, as the databases are being up-dated continuously, the knowledge based on sequenced viral integration sites also expands. In this study, viral-cellular fusion transcripts of a preselected group of 74 cervical carcinoma or cervical intraepithelial neoplasia grade 3 (CIN3) biopsies harboring integrated HPV16, HPV18, HPV31, HPV33, or HPV45 DNA were amplified by 3'-rapid amplification of cDNA ends PCR and sequenced. Consistent with previous reports, integration sites were found to be distributed throughout the genome. However, 23% (17 of 74) of the integration sites were located within the cytogenetic bands 4q13.3, 8q24.21, 13q22.1, and 17q21, in clusters ranging from 86 to 900 kb. Of note is that clusters 8q24.21 and 13q22.1 are within 1.5 Mbp of an adjacent fragile site whereas clusters 4q13.3 and 17q21 are >15 Mbp distant to any known fragile sites. It is tempting to speculate that as yet unknown fragile sites may be identified on the basis of HPV integration hotspots. No correlation between HPV type and specific integration loci was found. Of 74 fusion transcripts, 28 contained cellular sequences, which were homologous to known genes, and 40 samples contained sequences of predicted genes. In 33 fusion transcripts, both viral and cellular sequences were in sense orientation, indicating that the gene itself or upstream sequences were affected by integration. These data suggest that the influence of HPV integration on host gene expression may not be a rare effect and should encourage more detailed analyses.
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Affiliation(s)
- Irene Kraus
- Institute of Pathology, Rikshospitalet University Hospital, Oslo, Norway
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