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Amorrortu RP, Zhao Y, Messina JL, Schell MJ, Fenske NA, Cherpelis BS, Sondak VK, Giuliano AR, Pawlita M, McKay-Chopin S, Gheit T, Waterboer T, Tommasino M, Rollison DE. Association between Human Polyomaviruses and Keratinocyte Carcinomas: A Prospective Cohort Study. Cancer Epidemiol Biomarkers Prev 2021; 30:1761-1764. [PMID: 34187857 PMCID: PMC8419098 DOI: 10.1158/1055-9965.epi-21-0332] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/14/2021] [Accepted: 06/15/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND A positive association between Merkel cell polyomavirus (MCPyV) infection and cutaneous squamous cell carcinoma (cuSCC) has been observed in at least one previous case-control study. To evaluate this association in a prospective context, we investigated infections with human polyomaviruses (HPyV), including MCPyV, as predictors of keratinocyte carcinomas, including cuSCC and basal cell carcinoma (BCC), among a cohort of immunocompetent individuals enrolled in the Viruses in Skin Cancer (VIRUSCAN) Study. METHODS Associations between markers of baseline HPyV infection (serum antibodies and viral DNA in eyebrow hairs and skin swabs) and incident keratinocyte carcinomas were modeled using Cox proportional hazards regression. Proportions of baseline HPyV infections that were concordant with a subsequent tumor positive for the same HPyV type were assessed. RESULTS No significant associations were observed between baseline markers of MCPyV or other HPyV infections and cuSCC or BCC. Less than 4.5% of baseline MCPyV infections were also detected in subsequently developed keratinocyte carcinoma tumors. CONCLUSIONS HPyV infection was not a predictor of keratinocyte carcinoma risk in this prospective cohort. IMPACT Cancer-associated infections represent attractive targets for cancer prevention; however, HPyV infections have limited potential as novel targets for cuSCC prevention.
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Affiliation(s)
| | - Yayi Zhao
- Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, Florida
| | - Jane L Messina
- Department of Anatomic Pathology, Moffitt Cancer Center, Tampa, Florida
- Department of Cutaneous Oncology, Moffitt Cancer Center, Tampa, Florida
| | - Michael J Schell
- Biostatistics and Bioinformatics Shared Resource, Moffitt Cancer Center, Tampa, Florida
| | - Neil A Fenske
- Department of Dermatology and Cutaneous Surgery, University of South Florida College of Medicine, Tampa, Florida
| | - Basil S Cherpelis
- Department of Dermatology and Cutaneous Surgery, University of South Florida College of Medicine, Tampa, Florida
| | - Vernon K Sondak
- Department of Cutaneous Oncology, Moffitt Cancer Center, Tampa, Florida
| | - Anna R Giuliano
- Center for Immunization and Infection Research in Cancer, Moffitt Cancer Center, Tampa, Florida
| | - Michael Pawlita
- Division of Infections and Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Sandrine McKay-Chopin
- International Agency for Research on Cancer, World Health Organization, Lyon, France
| | - Tarik Gheit
- International Agency for Research on Cancer, World Health Organization, Lyon, France
| | - Tim Waterboer
- Division of Infections and Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Massimo Tommasino
- International Agency for Research on Cancer, World Health Organization, Lyon, France
| | - Dana E Rollison
- Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, Florida.
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Spurgeon ME, Liem A, Buehler D, Cheng J, DeCaprio JA, Lambert PF. The Merkel Cell Polyomavirus T Antigens Function as Tumor Promoters in Murine Skin. Cancers (Basel) 2021; 13:cancers13020222. [PMID: 33435392 PMCID: PMC7827793 DOI: 10.3390/cancers13020222] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/05/2021] [Accepted: 01/08/2021] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Merkel cell polyomavirus, a recently discovered human virus, is linked to the development of a rare form of skin cancer called Merkel cell carcinoma. The virus does not replicate in cancer cells, yet there is continued expression of viral proteins known as T antigens. The T antigens are believed to contribute to Merkel cell carcinoma development, yet how they do so remains an active area of research. In this study, we used transgenic mice expressing the viral T antigens in their skin to determine at which stage of skin cancer development these viral proteins function. We discovered that the Merkel cell polyomavirus T antigens function as tumor promoters, rather than tumor initiators, in the skin. These findings suggest that other tumor-initiating events may cooperate with the tumor-promoting activities of the viral T antigens, thus providing important insight into how Merkel cell polyomavirus can cause cancer in human skin. Abstract Merkel cell polyomavirus (MCPyV) causes the majority of human Merkel cell carcinomas (MCC), a rare but highly aggressive form of skin cancer. We recently reported that constitutive expression of MCC tumor-derived MCPyV tumor (T) antigens in the skin of transgenic mice leads to hyperplasia, increased proliferation, and spontaneous epithelial tumor development. We sought to evaluate how the MCPyV T antigens contribute to tumor formation in vivo using a classical, multi-stage model for squamous cell carcinoma development. In this model, two chemical carcinogens, DMBA and TPA, contribute to two distinct phases of carcinogenesis—initiation and promotion, respectively—that are required for tumors to develop. By treating the MCPyV transgenic mice with each chemical carcinogen, we determined how the viral oncogenes contributed to carcinogenesis. We observed that the MCPyV T antigens synergized with the tumor initiator DMBA, but not with the tumor promoter TPA, cause tumors. Therefore, the MCPyV tumor antigens function primarily as tumor promoters, similar to that seen with human papillomavirus (HPV) oncoproteins. These studies provide insight into the role of MCPyV T antigen expression in tumor formation in vivo and contribute to our understanding of how MCPyV may function as a human DNA tumor virus.
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Affiliation(s)
- Megan E. Spurgeon
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA;
- Correspondence: (M.E.S.); (P.F.L.)
| | - Amy Liem
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA;
| | - Darya Buehler
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA;
| | - Jingwei Cheng
- Department of Molecular, Cellular and Biomedical Sciences, University of New Hampshire, Durham, NH 03824, USA;
| | - James A. DeCaprio
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA;
- Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02215, USA
| | - Paul F. Lambert
- McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA;
- Correspondence: (M.E.S.); (P.F.L.)
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Saláková M. Diagnostic options for human polyomaviruses in clinical practice. Epidemiol Mikrobiol Imunol 2021; 70:178-188. [PMID: 34641692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The members of the viral family Polyomavirae are widespread in the human population. According to serological studies, almost all adults are infected with at least one of this group of viruses. The primary infection usually occurs in childhood without any clinical signs, and after the primary infection, the viruses establish a persistent infection accompanied by occasional reactivation and shedding of the virus. These viruses often reactivate in immunosuppressed individuals, but only in a minority of these patients, the reactivation results in disease development. This biological property of human polyomaviruses makes laboratory diagnosis considerably difficult. The paper provides an overview of methods for diagnosing human polyomaviruses, which are commonly used for screening, and methods that are still validated by research but have the potential to improve detection and to identify patients at risk of developing diseases associated with polyomavirus infection.
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Delbue S, Franciotta D, Giannella S, Dolci M, Signorini L, Ticozzi R, D'Alessandro S, Campisciano G, Comar M, Ferrante P, Ciotti M. Human Polyomaviruses in the Cerebrospinal Fluid of Neurological Patients. Microorganisms 2019; 8:E16. [PMID: 31861837 DOI: 10.3390/microorganisms8010016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 12/06/2019] [Accepted: 12/17/2019] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Central nervous system (CNS) infections by human polyomaviruses (HPyVs), with the exception of JC (JCPyV), have been poorly studied. METHODS In total, 234 cerebrospinal fluid (CSF) samples were collected from patients affected with neurological disorders. DNA was isolated and subjected to quantitative real-time PCR (Q-PCR) for the detection of six HPyVs: JCPyV, BKPyV, Merkel cell PyV (MCPyV), HPyV6, HPyV7, and HPyV9. Where possible, the molecular characterization of the viral strains was carried out by nested PCR and automated sequencing. RESULTS JCPyV was detected in 3/234 (1.3%), BKPyV in 15/234 (6.4%), MCPyV in 22/234 (9.4%), and HPyV6 in 1/234 (0.4%) CSF samples. JCPyV was detected at the highest (p < 0.05) mean load (3.7 × 107 copies/mL), followed by BKPyV (1.9 × 106 copies/mL), MCPyV (1.9 × 105 copies/mL), and HPyV6 (3.3 × 104 copies/mL). The noncoding control regions (NCCRs) of the sequenced viral strains were rearranged. CONCLUSIONS HPyVs other than JCPyV were found in the CSF of patients affected with different neurological diseases, probably as bystanders, rather than etiological agents of the disease. However, the fact that they can be latent in the CNS should be considered, especially in immunosuppressed patients.
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Purdie KJ, Proby CM, Rizvi H, Griffin H, Doorbar J, Sommerlad M, Feltkamp MC, der Meijden EV, Inman GJ, South AP, Leigh IM, Harwood CA. The Role of Human Papillomaviruses and Polyomaviruses in BRAF-Inhibitor Induced Cutaneous Squamous Cell Carcinoma and Benign Squamoproliferative Lesions. Front Microbiol 2018; 9:1806. [PMID: 30154763 PMCID: PMC6102365 DOI: 10.3389/fmicb.2018.01806] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 07/18/2018] [Indexed: 12/19/2022] Open
Abstract
Background: Human papillomavirus (HPV) has long been proposed as a cofactor in the pathogenesis of cutaneous squamous cell carcinoma (cSCC). More recently, the striking clinico-pathological features of cSCCs that complicate treatment of metastatic melanoma with inhibitors targeting BRAF mutations (BRAFi) has prompted speculation concerning a pathogenic role for oncogenic viruses. Here, we investigate HPV and human polyomaviruses (HPyV) and correlate with clinical, histologic, and genetic features in BRAFi-associated cSCC. Materials and Methods: Patients receiving BRAFi treatment were recruited at Barts Health NHS Trust. HPV DNA was detected in microdissected frozen samples using reverse line probe technology and degenerate and nested PCR. HPV immunohistochemistry was performed in a subset of samples. Quantitative PCR was performed to determine the presence and viral load of HPyVs with affinity for the skin (HPyV6, HPyV7, HPyV9, MCPyV, and TSPyV). These data were correlated with previous genetic mutational analysis of H, K and NRAS, NOTCH1/2, TP53, CDKN2A, CARD11, CREBBP, TGFBR1/2. Chromosomal aberrations were profiled using single nucleotide polymorphism (SNP) arrays. Results: Forty-five skin lesions from seven patients treated with single agent vemurafenib in 2012–2013 were analyzed: 12 cSCC, 19 viral warts (VW), 2 actinic keratosis (AK), 5 verrucous keratosis/other squamoproliferative (VK/SP) lesions, one melanocytic lesion and 6 normal skin samples. Significant histologic features of viral infection were seen in 10/12 (83%) cSCC. HPV DNA was detected in 18/19 (95%) VW/SP, 9/12 (75%) cSCC, 4/5 (80%) SP, and 3/6 (50%) normal skin samples and in 1/12 cases assessed by immunohistochemistry. HPyV was co-detected in 22/30 (73%) of samples, usually at low viral load, with MCPyV and HPyV7 the most common. SNP arrays confirmed low levels of chromosomal abnormality and there was no significant correlation between HPV or HPyV detection and individual gene mutations or overall mutational burden. Conclusion: Despite supportive clinicopathologic evidence, the role for HPV and HPyV infection in the pathogenesis of BRAFi-induced squamoproliferative lesions remains uncertain. Synergistic oncogenic mechanisms are plausible although speculative. Nonetheless, with the prospect of a significant increase in the adjuvant use of these drugs, further research is justified and may provide insight into the pathogenesis of other BRAFi-associated malignancies.
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Affiliation(s)
- Karin J Purdie
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Charlotte M Proby
- Division of Cancer Research, School of Medicine, University of Dundee, Dundee, United Kingdom
| | - Hasan Rizvi
- Department of Pathology, Barts Health NHS Trust, London, United Kingdom
| | - Heather Griffin
- Division of Virology, Department of Pathology, University of Cambridge, Cambridge, United Kingdom
| | - John Doorbar
- Division of Virology, Department of Pathology, University of Cambridge, Cambridge, United Kingdom
| | - Mary Sommerlad
- Department of Dermatology, Barts Health NHS Trust, London, United Kingdom
| | - Mariet C Feltkamp
- Department of Medical Microbiology, Leiden University Medical Center, Leiden, Netherlands
| | - Els Van der Meijden
- Department of Medical Microbiology, Leiden University Medical Center, Leiden, Netherlands
| | - Gareth J Inman
- Division of Cancer Research, School of Medicine, University of Dundee, Dundee, United Kingdom
| | - Andrew P South
- Department of Dermatology and Cutaneous Biology, Thomas Jefferson University, Philadelphia, PA, United States
| | - Irene M Leigh
- Institute of Dentistry, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Catherine A Harwood
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom.,Department of Dermatology, Barts Health NHS Trust, London, United Kingdom
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Franzén J, Ramqvist T, Bogdanovic G, Grün N, Mattson J, Dalianis T. Studies of human polyomaviruses, with HPyV7, BKPyV, and JCPyV present in urine of allogeneic hematopoietic stem cell transplanted patients with or without hemorrhagic cystitis. Transpl Infect Dis 2017; 18:240-6. [PMID: 26809742 DOI: 10.1111/tid.12500] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Revised: 10/06/2015] [Accepted: 11/06/2015] [Indexed: 11/27/2022]
Abstract
BACKGROUND BK polyomavirus (BKPyV) can cause hemorrhagic cystitis (HC) in allogeneic hematopoietic stem cell transplant (allo-HSCT) patients and polyomavirus-associated nephritis in renal transplant patients, while JC polyomavirus (JCPyV) can generate progressive multifocal leukoencephalopathy in immunocompromised individuals. Since 2007, additional human polyomaviruses (HPyVs) have been identified. In this study, we examined the urines of allo-HSCT patients for possible presence of polyomaviruses BKPyV, JCPyV, KIPyV, WUPyV, MCPyV, HPyV6, HPyV7, TSPyV, HPyV9, and HPyV10 (MWPyV). METHODS A total of 185 urinary samples obtained 2002-2007 from 105 allo-HSCT patients, 32/105 with HC, were tested for the above-listed HPyVs by a bead-based multiplex assay. Of these, 142 urine samples had previously been tested for BKPyV and JCPyV by nested polymerase chain reaction (PCR). RESULTS Aside from BKPyV and JCPyV, which dominated, HPyV7 was detected in 5 BKPyV-positive urinary samples from 1 patient. The multiplex assay was more sensitive and specific than the nested PCR. BKPyV and/or JCPyV were found in all but 1 of the previously BKPyV- or JCPyV-positive samples, although 6 previously BKPyV-positive cases were now JCPyV-positive or the reverse. Furthermore, 18/79 previously negative samples were found to be BKPyV and/or JCPyV positive, and a total of 21 double infections were found. Lastly, in 1/29 HC patients, only JCPyV was detected. CONCLUSION HPyV7 was found for the first time in urine of an allo-HSCT patient, and BKPyV and JCPyV were more commonly found in urine samples using the bead-based assay compared to testing by nested PCR. Finally, only JCPyV was detected in the urine of 1 HC patient.
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Affiliation(s)
- J Franzén
- Department of Oncology-Pathology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - T Ramqvist
- Department of Oncology-Pathology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - G Bogdanovic
- Department of Molecular Microbiology, Tumour Biology and Cell Biology, Karolinska Institutet, Stockholm, Sweden.,Department of Clinical Microbiology, Karolinska University Hospital, Stockholm, Sweden
| | - N Grün
- Department of Oncology-Pathology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - J Mattson
- Department of Oncology-Pathology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - T Dalianis
- Department of Oncology-Pathology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
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Malhotra J, Waterboer T, Pawlita M, Michel A, Cai Q, Zheng W, Gao YT, Lan Q, Rothman N, Langseth H, Grimsrud TK, Yuan JM, Koh WP, Wang R, Arslan AA, Zeleniuch-Jacquotte A, Boffetta P. Serum biomarkers of polyomavirus infection and risk of lung cancer in never smokers. Br J Cancer 2016; 115:1131-1139. [PMID: 27632373 PMCID: PMC5117783 DOI: 10.1038/bjc.2016.285] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 07/22/2016] [Accepted: 08/09/2016] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Lung cancer in never smokers is a significant contributor of cancer mortality worldwide. In this analysis, we explored the role of nine human polyomaviruses, including JC virus (JCV), BK virus (BKV) and Merkel cell virus (MCV), in lung cancer development in never smokers as there are data to support that polyomaviruses are potentially carcinogenic in the human lung. METHODS We used multiplex serology to detect serum antibodies to polyomaviruses in a nested case-control design combining lung cancer cases and controls from four cohort studies - NYU Women's Health Study (NYU-WHS), Janus Serum Bank, Shanghai Women's Health Study and Singapore Chinese Health Study (SCHS). RESULTS The final analyses included 511 cases and 508 controls. Seroprevalence for each polyomavirus showed significant heterogeneity by study, but overall there were no statistically significant differences between cases and controls. In total, 69.1% of the cases and 68.7% of the controls were seropositive for JCV VP1 antibody. Seropositivity for BKV was higher at 89.0% in cases and 89.8% in controls and lower for MCV at 59.3% in cases and 61.6% in controls. Similar results were obtained after adding an additional retrospective case-control study (Xuanwei study) to the analysis. CONCLUSIONS Our results do not support the hypothesis that seropositivity for polyomaviruses is associated with increased lung cancer risk in never smokers. Future research to evaluate relationship between polyomavirus infection and lung carcinogenesis should focus more on evaluating the presence of virus or viral nucleic acids (DNA or RNA) in lung tumour samples.
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Affiliation(s)
- Jyoti Malhotra
- Icahn School of Medicine at Mount Sinai, 17 East 102 St, Floor 4 West, Room 110, New York, NY, USA
- Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, USA
| | - Tim Waterboer
- German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | | | - Qiuyin Cai
- Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Wei Zheng
- Vanderbilt University School of Medicine, Nashville, TN, USA
| | | | - Qing Lan
- National Cancer Institute, Rockville, MD, USA
| | | | - Hilde Langseth
- Cancer Registry of Norway, Institute of Population-based Cancer Research, Oslo, Norway
| | - Tom K Grimsrud
- Cancer Registry of Norway, Institute of Population-based Cancer Research, Oslo, Norway
| | - Jian-Min Yuan
- University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA, USA
| | - Woon-Puay Koh
- Duke-NUS Graduate Medical School Singapore, and Saw Swee Hock School of Public Health, National University of Singapore, Singapore 117549, Singapore
| | - Renwei Wang
- University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA, USA
| | - Alan A Arslan
- New York University School of Medicine, New York, NY, USA
| | | | - Paolo Boffetta
- Icahn School of Medicine at Mount Sinai, 17 East 102 St, Floor 4 West, Room 110, New York, NY, USA
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Castellsagué X, Pawlita M, Roura E, Margall N, Waterboer T, Bosch FX, de Sanjosé S, Gonzalez CA, Dillner J, Gram IT, Tjønneland A, Munk C, Pala V, Palli D, Khaw KT, Barnabas RV, Overvad K, Clavel-Chapelon F, Boutron-Ruault MC, Fagherazzi G, Kaaks R, Lukanova A, Steffen A, Trichopoulou A, Trichopoulos D, Klinaki E, Tumino R, Sacerdote C, Mattiello A, Bueno-de-Mesquita HBA, Peeters PH, Lund E, Weiderpass E, Quirós JR, Sánchez MJ, Navarro C, Barricarte A, Larrañaga N, Ekström J, Hortlund M, Lindquist D, Wareham N, Travis RC, Rinaldi S, Tommasino M, Franceschi S, Riboli E. Prospective seroepidemiologic study on the role of Human Papillomavirus and other infections in cervical carcinogenesis: evidence from the EPIC cohort. Int J Cancer 2014; 135:440-52. [PMID: 24338606 DOI: 10.1002/ijc.28665] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2013] [Revised: 10/17/2013] [Accepted: 11/14/2013] [Indexed: 11/11/2022]
Abstract
To evaluate prospectively the association between serological markers of selected infections, including HPV, and risk of developing cervical cancer (CC) and precancer, we performed a nested case-control study within the European Prospective Investigation into Cancer and Nutrition (EPIC) study that included 184 cases of invasive CC (ICC), 425 cases of cervical intraepithelial neoplasia (CIN) grade 3 or carcinoma in situ (CIS), and 1,218 matched control women. At enrollment participants completed lifestyle questionnaires and provided sera. Subjects were followed-up for a median of 9 years. Immunoassays were used to detect serum antibodies to Human Herpes Virus 2 (HHV-2), Chlamydia trachomatis (CT), Chlamydia pneumoniae, L1 proteins of mucosal and cutaneous HPV types, E6/E7 proteins of HPV16/18, as well as to four polyomaviruses. Adjusted odds ratios (OR) [and 95% confidence intervals (CI)] for CIN3/CIS and ICC risk were respectively: 1.6 (1.2-2.0) and 1.8 (1.1-2.7) for L1 seropositivity to any mucosal HPV type, 1.0 (0.4-2.4) and 7.4 (2.8-19.7) for E6 seropositivity to HPV16/18, 1.3 (0.9-1.9) and 2.3 (1.3-4.1) for CT seropositivity, and 1.4 (1.0-2.0) and 1.5 (0.9-2.6) for HHV-2 seropositivity. The highest OR for ICC was observed for HPV16 E6 seropositivity [OR = 10.2 (3.3-31.1)]. Increasing number of sexually transmitted infections (STIs) was associated with increasing risk. Non-STIs were not associated with CC risk. In conclusion, this large prospective study confirms the important role of HPV and a possible contribution of CT and HHV-2 in cervical carcinogenesis. It further identifies HPV16 E6 seropositivity as the strongest marker to predict ICC well before disease development.
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Affiliation(s)
- Xavier Castellsagué
- Unit of Infections and Cancer, Cancer Epidemiology Research Program, Catalan Institute of Oncology (ICO)-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Catalonia, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
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Abstract
Since the late 1990s, infectious agents have been thought to play a role in the pathogenesis of approximately 15% of cancers. It is now widely accepted that infection of stomach tissue with the bacteria Helicobacter pylori is an important cause of stomach adenocarcinoma. In addition, oncogenic viruses, such as papilloma viruses, herpes viruses, and hepadnaviruses are strongly associated with increased risk of cervical cancer, lymphomas, liver cancer, amongst others. However, in the scientific community the percentage of cancers caused by pathogens is believed to be far higher than 15%. A significant volume of data collected to date show an association between infectious agents and urogenital cancers. These agents include Chlamydia trachomatis, Neisseria gonorrhoea, Mycoplasma genitalium and certain viruses that have been implicated in ovarian cancer. Other pathogens include the hepatitis C and Epstein-Barr viruses, which are potentially involved in kidney cancer. In addition, infections with Schistosoma haematobium, the human papillomavirus, and human polyomaviruses are strongly associated with an increased risk of urinary bladder cancer. This article reviews publications available to date on the role of infectious agents in urogenital cancers. A greater understanding of the role of such agents could aid the identification of novel methods of urogenital cancer treatment.
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Affiliation(s)
- Kenneth Alibek
- Nazarbayev University, 53 Kabanbay Batyr Avenue, Astana 010000, Kazakhstan
- Republican Scientific Center for Emergency Care, 3 Kerey and Zhanibek Khan Street, Astana 010000, Kazakhstan
| | - Nargis Karatayeva
- Nazarbayev University, 53 Kabanbay Batyr Avenue, Astana 010000, Kazakhstan
| | - Ildar Bekniyazov
- Nazarbayev University, 53 Kabanbay Batyr Avenue, Astana 010000, Kazakhstan
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Abstract
To test the hypothesis that Merkel cell polyomavirus (MCPyV) can infect cells of the lymphoid system, we analyzed 353 specimens, including 152 non-Hodgkin lymphomas, 44 Hodgkin lymphomas, 110 benign lymph nodes, 27 lymph nodes with metastasis, and 20 extranodal tissue samples. MCPyV DNA was detected by quantitative PCR in 13 (6.6%) of 196 lymphomas, including 5 (20.8%) of 24 chronic lymphocytic leukemia specimens, and in 11 (10%) of 110 benign lymph nodes, including 8 (13.1%) of 61 samples of reactive hyperplasia and 3 (10.3%) of 29 normal lymph nodes. Other samples were MCPyV negative. Sequence analysis of 9 virus-positive samples confirmed the identity of MCPyV; 3 viral strains were represented. Immunohistochemical testing showed that 1 T-cell lymphoma expressed MCPyV T-antigen. These findings suggest that the lymphoid system plays a role in MCPyV infection and may be a site for MCPyV persistence.
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