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Bellott TR, Luz FB, Fausto da Silva AK, Varella RB, Rochael MC, Rozza-de-Menezes RE, Pantaleão L. Presence of Merkel cell polyomavirus DNA and large-T antigen in keratinocyte carcinomas and its correlation with immunohistochemical markers p16, p53 and ki67. An Bras Dermatol 2024; 99:688-695. [PMID: 38555263 PMCID: PMC11342993 DOI: 10.1016/j.abd.2023.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 11/30/2023] [Accepted: 12/11/2023] [Indexed: 04/02/2024] Open
Abstract
BACKGROUND Merkel cell polyomavirus (MCPyV), a human polyomavirus that is unequivocally linked to merkel cell carcinoma (MCC), has been found in association with keratinocytes carcinomas (KC), especially basal cell carcinoma (BCC) and cutaneous squamous cell carcinoma (cSCC). Nevertheless, there is scarce information about the possible involvement of MCPyV in the development of KC. OBJECTIVES To assess the presence of MCPyV DNA and Large-T Antigen (LT-Ag) via Polymerase Chain Reaction (PCR) and Immunohistochemistry (IHC) in cases of KC, and to correlate its presence with immunohistochemical markers p16, p53, and ki67, tumor type and subtype, sun-exposed location, and epidemiological data. METHODS The prevalence of MCPyV DNA, LT-Ag, and immunohistochemical markers p16, p53, and ki67 was assessed by PCR and Immunohistochemistry (IHC) in 127 cases of KC, these results were correlated with tumor type and subtype, sun-exposed location, and epidemiological data. RESULTS The MCPyV DNA was detected in 42.57% (43 of 101) cases by PCR, the LT-Ag was detected in 16.4% (20 of 122) of cases, p16 in 81.5% (97 of 119), p53 in 66.4% (83 of 125), ki67 in 89% (73 of 82). No correlation between MCPyV LT-Ag and DNA confronted with tumor type, subtype, location site, and immunohistochemical markers was found. A single correlation between the MCPyV LT-Ag and cSCC tumors and peri-tumoral lymphocyte cells was noted. STUDY LIMITATIONS Further steps need to be taken to better evaluate the MCPyV influence and its possible role in KC carcinogenesis, as the evaluation of the virus genome state, the gene sequence that encodes LT-Ag in the KC tumor cells, and in situ hybridization for viral DNA or RNA in these cells. CONCLUSIONS Despite the frequent detection of MCPyV in KC, the data available so far does not support the hypothesis of a causal relationship between them.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Female
- Humans
- Male
- Middle Aged
- Antigens, Viral, Tumor/analysis
- Biomarkers, Tumor/analysis
- Carcinoma, Basal Cell/virology
- Carcinoma, Basal Cell/pathology
- Carcinoma, Merkel Cell/virology
- Carcinoma, Merkel Cell/pathology
- Carcinoma, Squamous Cell/virology
- Carcinoma, Squamous Cell/pathology
- Cyclin-Dependent Kinase Inhibitor p16/analysis
- DNA, Viral/analysis
- Immunohistochemistry
- Keratinocytes/virology
- Keratinocytes/pathology
- Ki-67 Antigen/analysis
- Merkel cell polyomavirus/isolation & purification
- Polymerase Chain Reaction
- Polyomavirus Infections/virology
- Skin Neoplasms/virology
- Skin Neoplasms/pathology
- Tumor Suppressor Protein p53/analysis
- Tumor Virus Infections/virology
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Affiliation(s)
- T R Bellott
- Department of Pathology, Hospital Universitário Antônio Pedro, Universidade Federal Fluminense, Niterói, RJ, Brazil.
| | - Flávio Barbosa Luz
- Department of Dermatology, Hospital Universitário Antônio Pedro, Universidade Federal Fluminense, Niterói, RJ, Brazil
| | | | - Rafael Brandão Varella
- Department of Microbiology and Parasitology, Instituto Biomédico, Universidade Federal Fluminense, Niterói, RJ, Brazil
| | - Mayra Carrijo Rochael
- Department of Pathology, Hospital Universitário Antônio Pedro, Universidade Federal Fluminense, Niterói, RJ, Brazil
| | | | - Luciana Pantaleão
- Department of Pathology, Hospital Universitário Antônio Pedro, Universidade Federal Fluminense, Niterói, RJ, Brazil
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2
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Passerini S, Fracella M, Benvenuto D, Bugani G, D'Auria A, Coratti E, Babini G, Moens U, Cavallari EN, Torti C, Antonelli G, Ciccozzi M, Pierangeli A, d'Ettorre G, Scagnolari C, Pietropaolo V. High rates of anal Merkel Cell Polyomavirus and HPV co-infection among people living with HIV. J Med Virol 2024; 96:e29883. [PMID: 39185677 DOI: 10.1002/jmv.29883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Revised: 08/08/2024] [Accepted: 08/14/2024] [Indexed: 08/27/2024]
Abstract
Knowledge of Human Polyomavirus (HPyV) infection in the anal area and its association with sexually transmitted infections such as Human Papillomavirus (HPV) and Human Immunodeficiency Virus (HIV) remains limited. Therefore, anal specimens from 150 individuals of both sexes were analyzed for screening purposes. HPV DNA was found in 50.7% of cases, with a predominance of high-risk (HR) genotypes. HPyV DNA was found in 39.3% of samples, with Merkel Cell Polyomavirus (MCPyV) being the most common, with a higher viral load than JCPyV and BKPyV. In addition, MCPyV viral load increased in people living with HIV (PLWH) with HPV infection (p < 0.0001).
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Affiliation(s)
- Sara Passerini
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Matteo Fracella
- Department of Molecular Medicine, Laboratory of Virology, Sapienza University of Rome, Rome, Italy
| | - Domenico Benvenuto
- Dipartimento di Sicurezza e Bioetica, Sezione di Malattie Infettive, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Ginevra Bugani
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Alessandra D'Auria
- Department of Molecular Medicine, Laboratory of Virology, Sapienza University of Rome, Rome, Italy
| | - Eleonora Coratti
- Department of Molecular Medicine, Laboratory of Virology, Sapienza University of Rome, Rome, Italy
| | - Giulia Babini
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Ugo Moens
- Department of Medical Biology, Faculty of Health Sciences, University of Tromsø-The Arctic University of Norway, Tromsø, Norway
| | | | - Carlo Torti
- Dipartimento di Sicurezza e Bioetica, Sezione di Malattie Infettive, Università Cattolica del Sacro Cuore, Rome, Italy
- Dipartimento di Scienze di Laboratorio e Infettivologiche, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Guido Antonelli
- Department of Molecular Medicine, Laboratory of Virology, Sapienza University of Rome, Rome, Italy
| | - Massimo Ciccozzi
- Unit of Medical Statistics and Molecular Epidemiology, University Campus Bio-Medico of Rome, Rome, Italy
| | - Alessandra Pierangeli
- Department of Molecular Medicine, Laboratory of Virology, Sapienza University of Rome, Rome, Italy
| | - Gabriella d'Ettorre
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Carolina Scagnolari
- Department of Molecular Medicine, Laboratory of Virology, Sapienza University of Rome, Rome, Italy
| | - Valeria Pietropaolo
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
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3
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Souci L, Denesvre C. Interactions between avian viruses and skin in farm birds. Vet Res 2024; 55:54. [PMID: 38671518 PMCID: PMC11055369 DOI: 10.1186/s13567-024-01310-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 03/24/2024] [Indexed: 04/28/2024] Open
Abstract
This article reviews the avian viruses that infect the skin of domestic farm birds of primary economic importance: chicken, duck, turkey, and goose. Many avian viruses (e.g., poxviruses, herpesviruses, Influenza viruses, retroviruses) leading to pathologies infect the skin and the appendages of these birds. Some of these viruses (e.g., Marek's disease virus, avian influenza viruses) have had and/or still have a devasting impact on the poultry economy. The skin tropism of these viruses is key to the pathology and virus life cycle, in particular for virus entry, shedding, and/or transmission. In addition, for some emergent arboviruses, such as flaviviruses, the skin is often the entry gate of the virus after mosquito bites, whether or not the host develops symptoms (e.g., West Nile virus). Various avian skin models, from primary cells to three-dimensional models, are currently available to better understand virus-skin interactions (such as replication, pathogenesis, cell response, and co-infection). These models may be key to finding solutions to prevent or halt viral infection in poultry.
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Affiliation(s)
- Laurent Souci
- Laboratoire de Biologie des Virus Aviaires, UMR1282 ISP, INRAE Centre Val-de-Loire, 37380, Nouzilly, France
| | - Caroline Denesvre
- Laboratoire de Biologie des Virus Aviaires, UMR1282 ISP, INRAE Centre Val-de-Loire, 37380, Nouzilly, France.
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4
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Arvia R, Sollai M, Massi D, Asensio-Calavia P, Urso C, Zakrzewska K. No detectable truncating mutations in large T antigen (LT-Ag) sequence of Merkel cell polyomavirus (MCPyV) DNA obtained from porocarcinomas. Infect Agent Cancer 2024; 19:9. [PMID: 38515111 PMCID: PMC10956277 DOI: 10.1186/s13027-024-00568-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 02/28/2024] [Indexed: 03/23/2024] Open
Abstract
Merkel cell polyomavirus (MCPyV) is associated with Merkel cell carcinoma (MCC). In tumor cells the MCPyV large T antigen (LT-Ag) is frequently found truncated and this is considered a major tumor-specific signature. The role of MCPyV in other, non-MCC tumours, is little known. Viral DNA and/or tumour-specific mutations have been sometimes detected in different tumours, but such data are not unequivocal and the involvement of the virus in the tumorigenesis is not clear. In a previous study, we demonstrated a significantly higher prevalence of MCPyV DNA in formalin fixed paraffin embedded (FFPE) porocarcinoma tissues compared to the normal skin. In the present study, we investigated the presence of truncating mutations in MCPyV LT-Ag coding region in porocarcinoma specimens. Using several overlapped PCR primer pairs, the complete LT-Ag sequence from two biopsies were obtained. No truncating mutations were detected. The lack of truncating mutations in LT-Ag sequence does not seem to support the role of MCPyV in porocarcinoma oncogenesis. However, an oncogenetic mechanism, different from that proposed for MCC and not associated with the LT-Ag mutations/deletions, cannot be excluded. Further studies of more sequences coding for LT-Ag would be needed to verify this hypothesis.
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Affiliation(s)
- Rosaria Arvia
- Department of Experimental and Clinical Medicine, University of Florence, Viale Morgagni 48, 50134, Florence, Italy.
| | - Mauro Sollai
- Department of Pathology, IRCC Humanitas Research Hospital, Milan, Rozzano, Italy
| | - Daniela Massi
- Division of Pathological Anatomy, Department of Health Sciences, University of Florence, Florence, Italy
| | - Patricia Asensio-Calavia
- Biotechnology of Macromolecules Research Group, Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), San Cristóbal de La Laguna, Spain
| | - Carmelo Urso
- Dermatopathology Study Center of Florence, Florence, Italy
| | - Krystyna Zakrzewska
- Department of Experimental and Clinical Medicine, University of Florence, Viale Morgagni 48, 50134, Florence, Italy
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5
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Bellott TR, Luz FB, Silva AKFD, Varella RB, Rochael MC, Pantaleão L. Merkel cell polyomavirus and its etiological relationship with skin tumors. An Bras Dermatol 2023; 98:737-749. [PMID: 37407331 PMCID: PMC10589487 DOI: 10.1016/j.abd.2023.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/13/2023] [Accepted: 04/19/2023] [Indexed: 07/07/2023] Open
Abstract
Viruses have been frequently identified in several human neoplasms, but the etiological role of these viruses in some tumors is still a matter of controversy. Polyomaviruses stand out among the main viruses with oncogenic capacity, specifically the Merkel cell polyomavirus (MCPyV). Recent revisions in the taxonomy of polyomaviruses have divided the Polyomaviridae family into six genera, including 117 species, with a total of 14 currently known human-infecting species. Although the oncogenicity of polyomaviruses has been widely reported in the literature since 1950, the first description of a polyomavirus as an etiological agent of a neoplasm in humans was made only in 2008 with the description of MCPyV, present in approximately 80% of cases of Merkel cell carcinoma (MCC), with the integration of its genome to that of the tumor cells and tumor-specific mutations, and it is considered the etiological agent of this neoplasm since then. MCPyV has also been detected in keratinocyte carcinomas, such as basal cell carcinoma and squamous cell carcinoma of the skin in individuals with and without immunosuppression. Data on the occurrence of oncogenic viruses potentially involved in oncogenesis, which cause persistence and tissue injury, related to the Merkel cell polyomavirus are still scarce, and the hypothesis that the Merkel cell polyomavirus may play a relevant role in the genesis of other cutaneous carcinomas in addition to MCC remains debatable. Therefore, the present study proposes to explore the current knowledge about the presence of MCPyV in keratinocyte carcinomas.
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Affiliation(s)
- Thiago Rubim Bellott
- Department of Pathology, Hospital Universitário Antônio Pedro, Universidade Federal Fluminense, Niterói, RJ, Brazil.
| | - Flávio Barbosa Luz
- Department of Dermatology, Hospital Universitário Antônio Pedro, Universidade Federal Fluminense, Niterói, RJ, Brazil
| | | | - Rafael Brandão Varella
- Department of Microbiology and Parasitology, Instituto Biomédico, Universidade Federal Fluminense, Niterói, RJ, Brazil
| | - Mayra Carrijo Rochael
- Department of Pathology, Hospital Universitário Antônio Pedro, Universidade Federal Fluminense, Niterói, RJ, Brazil
| | - Luciana Pantaleão
- Department of Pathology, Hospital Universitário Antônio Pedro, Universidade Federal Fluminense, Niterói, RJ, Brazil
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6
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Loke ASW, Lambert PF, Spurgeon ME. Current In Vitro and In Vivo Models to Study MCPyV-Associated MCC. Viruses 2022; 14:2204. [PMID: 36298759 PMCID: PMC9607385 DOI: 10.3390/v14102204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/01/2022] [Accepted: 10/02/2022] [Indexed: 11/06/2022] Open
Abstract
Merkel cell polyomavirus (MCPyV) is the only human polyomavirus currently known to cause human cancer. MCPyV is believed to be an etiological factor in at least 80% of cases of the rare but aggressive skin malignancy Merkel cell carcinoma (MCC). In these MCPyV+ MCC tumors, clonal integration of the viral genome results in the continued expression of two viral proteins: the viral small T antigen (ST) and a truncated form of the viral large T antigen. The oncogenic potential of MCPyV and the functional properties of the viral T antigens that contribute to neoplasia are becoming increasingly well-characterized with the recent development of model systems that recapitulate the biology of MCPyV+ MCC. In this review, we summarize our understanding of MCPyV and its role in MCC, followed by the current state of both in vitro and in vivo model systems used to study MCPyV and its contribution to carcinogenesis. We also highlight the remaining challenges within the field and the major considerations related to the ongoing development of in vitro and in vivo models of MCPyV+ MCC.
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Affiliation(s)
| | | | - Megan E. Spurgeon
- McArdle Laboratory for Cancer Research, Department of Oncology, School of Medicine & Public Health, University of Wisconsin, Madison, WI 53705, USA
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7
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Saber Amoli S, Hasanzadeh A, Sadeghi F, Chehrazi M, Seyedmajidi M, Zebardast A, Yahyapour Y. Prevalence of Co-infection by Human Papillomavirus, Epstein- Barr Virus and Merkel Cell Polyomavirus in Iranian Oral Cavity Cancer and Pre-malignant Lesions. INTERNATIONAL JOURNAL OF MOLECULAR AND CELLULAR MEDICINE 2022; 11:64-77. [PMID: 36397808 PMCID: PMC9653548 DOI: 10.22088/ijmcm.bums.11.1.64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 06/07/2022] [Accepted: 06/11/2022] [Indexed: 01/25/2023]
Abstract
Human papillomavirus (HPV) is recognized as the most important risk factor in oral cavity cancer and pre-malignant lesions; however, the etiological association of concomitant infection with other oncogenic viruses as a co-factor has not been definitively proven. The present study aimed to determine the prevalence of co-infection with HPV, Epstein-Barr virus (EBV) and Merkel Cell PolyomaVirus (MCPyV) in oral cavity lesions in Iranian patients. One hundred and fourteen oral cavity samples, including 33 oral squamous cell carcinoma, 28 oral lichen planus, 16 oral epithelial dysplasia and 37 oral irritation fibromas were analyzed for the HPV, EBV and MCPyV infection by quantitative real-time PCR. According to histological features 32.5% and 28.9% of cases were oral irritation fibroma and oral squamous cell carcinoma, respectively. Infection with at least two viruses was detected in 21.1% of patients. In this group, co-infection with HPV/EBV was identified in 37.5% of cases, HPV/MCPyV in 29.2%, EBV/MCPyV in 12.5%, and HPV/EBV/MCPyV in 20.8%. There was no statistically significant difference between multiple infections and anatomical locations of cancer. The prevalence of triple viral infection (HPV/EBV/MCPyV) in well differentiated tumors was higher than EBV or MCPyV single infection. This study revealed that co-infection of HPV, EBV and MCPyV can be detected in both malignant and non-malignant oral cavity tissues, and co-infection with all three viruses in well differentiated tumors can be shown as a synergistic hypothesis of the pathogenic role of these viruses in oral malignant transformation.
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Affiliation(s)
- Sagahr Saber Amoli
- Department of Medical Microbiology, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran.
| | - Ali Hasanzadeh
- Department of Medical Microbiology, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran.
| | - Farzin Sadeghi
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Mohammad Chehrazi
- Department of Biostatistics and Epidemiology, School of Public Health, Babol University of Medical Sciences, Babol, Iran.
| | - Maryam Seyedmajidi
- Dental Materials Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Arghavan Zebardast
- Department Medical Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
| | - Yousef Yahyapour
- Cancer Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
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8
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Yang JF, You J. Merkel cell polyomavirus and associated Merkel cell carcinoma. Tumour Virus Res 2022; 13:200232. [PMID: 34920178 PMCID: PMC8715208 DOI: 10.1016/j.tvr.2021.200232] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 11/08/2021] [Accepted: 12/13/2021] [Indexed: 12/22/2022] Open
Abstract
Merkel cell polyomavirus (MCPyV) is a ubiquitous skin infection that can cause Merkel cell carcinoma (MCC), a highly lethal form of skin cancer with a nearly 50% mortality rate. Since the discovery of MCPyV in 2008, great advances have been made to improve our understanding of how the viral encoded oncoproteins contribute to MCC oncogenesis. However, our knowledge of the MCPyV infectious life cycle and its oncogenic mechanisms are still incomplete. The incidence of MCC has tripled over the past two decades, but effective treatments are lacking. Only recently have there been major victories in combatting metastatic MCC with the application of PD-1 immune checkpoint blockade. Still, these immune-based therapies are not ideal for patients with a medical need to maintain systemic immune suppression. As such, a better understanding of MCPyV's oncogenic mechanisms is needed in order to develop more effective and targeted therapies against virus-associated MCC. In this review, we discuss current areas of interest for MCPyV and MCC research and the progress made in elucidating both the natural host of MCPyV infection and the cell of origin for MCC. We also highlight the remaining gaps in our knowledge on the transcriptional regulation of MCPyV, which may be key to understanding and targeting viral oncogenesis for developing future therapies.
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Affiliation(s)
- June F Yang
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104-6076, USA
| | - Jianxin You
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104-6076, USA.
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9
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Wijaya WA, Liu Y, Qing Y, Li Z. Prevalence of Merkel Cell Polyomavirus in Normal and Lesional Skin: A Systematic Review and Meta-Analysis. Front Oncol 2022; 12:868781. [PMID: 35392226 PMCID: PMC8980839 DOI: 10.3389/fonc.2022.868781] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 02/28/2022] [Indexed: 02/05/2023] Open
Abstract
The prevalence of Merkel cell polyomavirus(MCPyV) in Merkel cell carcinoma(MCC) and non-MCC skin lesions and its possible role in the etiology of other skin diseases remain controversial. To systematically assess the association between MCPyV infection and MCC, non-MCC skin lesions, and normal skin. For this systematic review and meta-analysis, a comprehensive search for eligible studies was conducted using Medline Ovid, Pubmed, Web of Science, and the Cochrane CENTRAL databases until August 2021; references were searched to identify additional studies. Observational studies that investigated the association between MCPyV infection and MCC, non-MCC skin lesions, and normal skin using polymerase chain reaction(PCR) as a detection method and provided sufficient data to calculate the prevalence of MCPyV positivity. A total of 50 articles were included in the study after exclusion criteria were applied. Two reviewers independently reviewed and assessed the eligibility of the studies, and all disagreements were resolved by consensus. To determine the association between MCPyV and MCC, overall odds ratio (OR) were calculated with 95% CI using a random-effects model. Single-arm meta-analyses were performed to examine the prevalence rate of MCPyV+ in MCC, non-MCC skin lesions, and normal skin. The primary analysis was the prevalence rate of MCPyV+ in MCC. Secondary outcomes included the prevalence rate of MCPyV+ in non-MCC skin lesions and normal skin. A total of 50 studies involving 5428 patients were reviewed based on our inclusion and exclusion criteria. Compared with the control group, MCPyV infection was significantly associated with MCC (OR = 3.51, 95% CI = 2.96 - 4.05). The global prevalence of MCPyV+ in MCC, melanoma, squamous cell carcinoma, basal cell carcinoma, Bowen's disease, actinic keratosis, keratoacanthoma, seborrheic keratosis, and normal skin was 80%, 4%, 15%, 15%, 21%, 6%, 20%, 10%, and 11%, respectively. The current results suggest that MCPyV infection is significantly associated with an increased risk of MCC. However, the low prevalence rate of MCPyV+ in non-MCC skin lesions does not exclude a pathogenic association of this virus with the development of non-MCC skin lesions.
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Affiliation(s)
- Wilson A Wijaya
- Department of Burn and Plastic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Yu Liu
- Department of Burn and Plastic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Yong Qing
- Department of Burn and Plastic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Zhengyong Li
- Department of Burn and Plastic Surgery, West China Hospital, Sichuan University, Chengdu, China
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10
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Gambichler T, Abu Rached N, Tannapfel A, Becker JC, Vogt M, Skrygan M, Wieland U, Silling S, Susok L, Stücker M, Meyer T, Stockfleth E, Junker K, Käfferlein HU, Brüning T, Lang K. Expression of Mismatch Repair Proteins in Merkel Cell Carcinoma. Cancers (Basel) 2021; 13:cancers13112524. [PMID: 34063983 PMCID: PMC8196722 DOI: 10.3390/cancers13112524] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 05/14/2021] [Accepted: 05/16/2021] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Merkel cell carcinoma (MCC) is a rare and highly malignant skin cancer with neuroendocrine differentiation. About 80% are Merkel cell polyomavirus (MCPyV) positive. The aim of this work was to immunohistochemically investigate the expression of mismatch repair proteins (MSH2, MSH6, MLH1, and PMS2) in MCC (n = 56). In a second step, tumors with a low expression were tested for microsatellite instability. Microsatellite instability in MCC could have an impact on immune checkpoint inhibitor therapy (ICI) outcome. This study showed a significant association between low expression of mismatch repair proteins and a negative MCPyV status. Microsatellite instability was detected in only one case. Future studies will establish whether this subset of MCC patients respond better to ICI. Abstract We aimed to assess for the first time the mismatch repair (MMR) protein expression in Merkel cell carcinoma (MCC). Immunohistochemistry was performed for MLH1, MSH2, MSH6, and PMS2 on patients’ tumor tissue (n = 56), including neighbored healthy control tissue. In cases with low-level MMR expression (<10th percentile), we performed multiplex PCR in combination with high-resolution capillary electrophoresis in order to confirm microsatellite instability (MSI). Microscopic evaluation revealed a high median expression for all MMR proteins studied (91.6–96.3%). However, six patients (56/10.7%) had low-level MLH1 expression, six (55/10.9%) had low-level MSH2 expression, five (56/8.9%) had low-level MSH6 expression, and six (54/11.1%) had low-level PMS2 expression. Together, we observed nine (56/16.1%) patients who had low-level MMR expression of at least one protein. Of the patients with low-level MMR expression, MSI evaluation was possible in five cases, revealing one case with high-level MSI. In all MMR proteins assessed, low-level expression was significantly (p = 0.0004 to p < 0.0001) associated with a negative Merkel cell polyomavirus (MCPyV) status. However, the expression profiles of the MMR proteins did not correlate with clinical outcome measures such as disease relapse or death (p > 0.05). MCC appears to be a malignancy characterized by low-level MMR rather than completely deficient MMR in a subset of cases, predominantly affecting MCPyV-negative tumors. Future studies will establish whether this subset of MCC patients respond better to immune checkpoint inhibitor therapy.
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Affiliation(s)
- Thilo Gambichler
- Skin Cancer Center, Department of Dermatology, Ruhr-University Bochum, 44791 Bochum, Germany; (M.S.); (L.S.); (M.S.); (T.M.); (E.S.)
- Correspondence: (T.G.); (N.A.R.); Tel.: +49-234-509-6073 (N.A.R.)
| | - Nessr Abu Rached
- Skin Cancer Center, Department of Dermatology, Ruhr-University Bochum, 44791 Bochum, Germany; (M.S.); (L.S.); (M.S.); (T.M.); (E.S.)
- Correspondence: (T.G.); (N.A.R.); Tel.: +49-234-509-6073 (N.A.R.)
| | - Andrea Tannapfel
- Institute of Pathology, Ruhr-University Bochum, 44789 Bochum, Germany; (A.T.); (M.V.)
| | - Jürgen C. Becker
- Translational Skin Cancer Research, German Cancer Consortium (DKTK) Partner Site Essen/Düsseldorf, Department of Dermatology, University Duisburg-Essen, 45147 Essen, Germany;
- Deutsches Krebsforschungszentrum (DKFZ), 69120 Heidelberg, Germany
| | - Markus Vogt
- Institute of Pathology, Ruhr-University Bochum, 44789 Bochum, Germany; (A.T.); (M.V.)
| | - Marina Skrygan
- Skin Cancer Center, Department of Dermatology, Ruhr-University Bochum, 44791 Bochum, Germany; (M.S.); (L.S.); (M.S.); (T.M.); (E.S.)
| | - Ulrike Wieland
- National Reference Center for Papilloma- and Polyomaviruses, Institute of Virology, University of Cologne, 50935 Cologne, Germany; (U.W.); (S.S.)
| | - Steffi Silling
- National Reference Center for Papilloma- and Polyomaviruses, Institute of Virology, University of Cologne, 50935 Cologne, Germany; (U.W.); (S.S.)
| | - Laura Susok
- Skin Cancer Center, Department of Dermatology, Ruhr-University Bochum, 44791 Bochum, Germany; (M.S.); (L.S.); (M.S.); (T.M.); (E.S.)
| | - Markus Stücker
- Skin Cancer Center, Department of Dermatology, Ruhr-University Bochum, 44791 Bochum, Germany; (M.S.); (L.S.); (M.S.); (T.M.); (E.S.)
| | - Thomas Meyer
- Skin Cancer Center, Department of Dermatology, Ruhr-University Bochum, 44791 Bochum, Germany; (M.S.); (L.S.); (M.S.); (T.M.); (E.S.)
| | - Eggert Stockfleth
- Skin Cancer Center, Department of Dermatology, Ruhr-University Bochum, 44791 Bochum, Germany; (M.S.); (L.S.); (M.S.); (T.M.); (E.S.)
| | - Klaus Junker
- Department of Pathology, Klinikum Bremen-Mitte, 28205 Bremen, Germany;
| | - Heiko U. Käfferlein
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurances (IPA), Ruhr-University Bochum, 44789 Bochum, Germany; (H.U.K.); (T.B.); (K.L.)
| | - Thomas Brüning
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurances (IPA), Ruhr-University Bochum, 44789 Bochum, Germany; (H.U.K.); (T.B.); (K.L.)
| | - Kerstin Lang
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurances (IPA), Ruhr-University Bochum, 44789 Bochum, Germany; (H.U.K.); (T.B.); (K.L.)
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11
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Giordano G, D'Adda T, Pizzi S, Campanini N, Gambino G, Berretta R. Neuroendocrine small cell carcinoma of the cervix: A case report. Mol Clin Oncol 2021; 14:92. [PMID: 33767861 PMCID: PMC7976432 DOI: 10.3892/mco.2021.2254] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 02/08/2021] [Indexed: 12/12/2022] Open
Abstract
Merkel cell polyomavirus (MCPyV) has been found in patients with Merkel cell carcinoma and respiratory tract infections. Merkel cell carcinoma is a primary aggressive neuroendocrine carcinoma of the skin. It has been demonstrated that MCPyV can be transmitted during sexual activity and may be present in the oral and anogenital mucosa. The aim of the present study was to evaluate whether MCPyV coexisted with HPV in three cases of neuroendocrine small cell carcinoma of the cervix using PCR and immunohistochemical analysis Three cases of NSC of the cervix were identified in the pathology archives of Parma University (Italy). Of these, two cases were associated with an adenocarcinomatous component. A set of general primers from the L1 region (forward, L1C1 and reverse, L1C2 or L1C2M) was PCR amplified to detect the broad-spectrum DNA of genital HPV. The presence of MCPyV was investigated via immunohistochemistry using a mouse monoclonal antibody against the MCPyV LT antigen and through PCR analysis to separate viral DNA. HPV DNA was present in all three neuroendocrine carcinomas and in the adenocarcinoma component of the two mixed cases. None of the cases were immunoreactive to CM2B4 and did not contain viral DNA in either their neuroendocrine or adenocarcinomatous component. Whilst it is difficult to draw definitive conclusions from such a small sample size, these data suggested that MCPyV does not coexist with HPV in the cervix. However, in the present study, the absence of detectable MCPyV may have been due to the presence of a genotype that was not detected by the primers used in the PCR analysis or by the antibody used for the immunohistochemical study. MCPyV microRNA may also have been present, inhibiting LT expression. Additional studies with larger cohorts and more advanced molecular biology techniques are required to confirm the hypothesis of the current study.
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Affiliation(s)
- Giovanna Giordano
- Department of Medicine and Surgery, Pathology Unit, University of Parma, Gramsci, I-43126 Parma, Italy
| | - Tiziana D'Adda
- Department of Medicine and Surgery, Pathology Unit, University of Parma, Gramsci, I-43126 Parma, Italy
| | - Silvia Pizzi
- Department of Medicine and Surgery, Pathology Unit, University of Parma, Gramsci, I-43126 Parma, Italy
| | - Nicoletta Campanini
- Department of Medicine and Surgery, Pathology Unit, University of Parma, Gramsci, I-43126 Parma, Italy
| | - Giulia Gambino
- Department of Obsterics and Gynecology, University of Parma, Gramsci, I-43126 Parma, Italy
| | - Roberto Berretta
- Department of Obsterics and Gynecology, University of Parma, Gramsci, I-43126 Parma, Italy
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12
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Gambichler T, Dreißigacker M, Kasakovski D, Skrygan M, Wieland U, Silling S, Gravemeyer J, Melior A, Cherouny A, Stücker M, Stockfleth E, Sand M, Becker JC. Patched 1 expression in Merkel cell carcinoma. J Dermatol 2020; 48:64-74. [PMID: 33180347 DOI: 10.1111/1346-8138.15611] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 08/18/2020] [Indexed: 12/11/2022]
Abstract
The relevance of Hedgehog signaling in Merkel cell carcinoma has only been addressed by a few studies with conflicting results. Thus, we aimed to establish the expression of Hedgehog signaling molecules in Merkel cell carcinoma to characterize causes of aberrant expression and to correlate these findings with the clinical course of the patients. Immunohistochemistry was performed for Sonic, Indian, Patched 1 (PTCH1) and Smoothened on patients' tumor tissue. Respective mRNA expression was analyzed in 10 Merkel cell carcinoma cell lines using quantitative real-time polymerase chain reaction. PTCH1 sequencing and DNA methylation microarray analyses were carried out on tumor tissues as well as cell lines. PTCH1 immunoreactivity in Merkel cell carcinoma was similar to that of basal cell carcinomas, which both significantly differed from PTCH1 immunoreactivity in healthy skin. Most PTCH1 mutations found were synonymous or without known functional impact. However, on average, the promoter regions of both PTCH1 were hypomethylated independently from PTCH1 gene expression or Merkel cell polyomavirus status. PTCH1 and GLI1/2/3 genes were differently expressed in different cell lines; notably, there was a significant correlation between GLI2 and PTCH1 mRNA expression. Similar to PTCH1 protein expression in patient tissues, PTCH1 gene expression in Merkel cell carcinoma cell lines is highly variable, but due to the similar methylation pattern across Merkel cell carcinoma cell lines, effects other than methylation seem to be the reason for the differential expression and PTCH1 appears to be upregulated by GLI as a classical Hedgehog target gene.
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Affiliation(s)
- Thilo Gambichler
- Department of Dermatology, Skin Cancer Center, Ruhr-University Bochum, Bochum, Germany
| | - Max Dreißigacker
- Department of Dermatology, Skin Cancer Center, Ruhr-University Bochum, Bochum, Germany
| | - Dimitri Kasakovski
- Department of Dermatology, Skin Cancer Center, Ruhr-University Bochum, Bochum, Germany
| | - Marina Skrygan
- Department of Dermatology, Skin Cancer Center, Ruhr-University Bochum, Bochum, Germany
| | - Ulrike Wieland
- National Reference Center for Papilloma- and Polyomaviruses, Institute of Virology, University of Cologne, Cologne, Germany
| | - Steffi Silling
- National Reference Center for Papilloma- and Polyomaviruses, Institute of Virology, University of Cologne, Cologne, Germany
| | - Jan Gravemeyer
- Department of Dermatology, Translational Skin Cancer Research, German Cancer Consortium (DKTK) Partner Site Essen/Düsseldorf, University Duisburg-Essen, Essen, Germany
| | - Anita Melior
- Department of Dermatology, Translational Skin Cancer Research, German Cancer Consortium (DKTK) Partner Site Essen/Düsseldorf, University Duisburg-Essen, Essen, Germany
| | - Angela Cherouny
- Department of Dermatology, Translational Skin Cancer Research, German Cancer Consortium (DKTK) Partner Site Essen/Düsseldorf, University Duisburg-Essen, Essen, Germany
| | - Markus Stücker
- Department of Dermatology, Skin Cancer Center, Ruhr-University Bochum, Bochum, Germany
| | - Eggert Stockfleth
- Department of Dermatology, Skin Cancer Center, Ruhr-University Bochum, Bochum, Germany
| | - Michael Sand
- Department of Dermatology, Skin Cancer Center, Ruhr-University Bochum, Bochum, Germany
| | - Jürgen C Becker
- Department of Dermatology, Translational Skin Cancer Research, German Cancer Consortium (DKTK) Partner Site Essen/Düsseldorf, University Duisburg-Essen, Essen, Germany.,Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany
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13
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Motavalli Khiavi F, Nasimi M, Rahimi H. Merkel Cell Polyomavirus Gene Expression and Mutational Analysis of Large Tumor Antigen in Non-Merkel Cell Carcinoma Tumors of Iranian Patients. Public Health Genomics 2020; 23:210-217. [PMID: 32966997 DOI: 10.1159/000510254] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 07/16/2020] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION The presence of Merkel cell polyomavirus (MCPyV) was identified in Merkel cell carcinoma (MCC). However, there was sparse information on the link of other common nonmelanoma skin cancers - basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) - to MCPyV infection. The current study describes the phylogenetic information of MCPyV isolated from Iranian non-MCC (nonmelanoma skin cancers) focusing on tumorigenesis of mutations in large tumor (LT) antigen (LT-Ag) fragment. METHODS Sixty patients with BCC and 20 patients with SCC were included in this study (48 males and 32 females; average age 65 years). The MCPyV-DNA copy number in positive samples was measured by quantitative real-time PCR. Then, mutational analysis of the MCPyV LT gene was carried out by direct sequencing. RESULTS While MCPyV DNA was detected in 6 (10%) of 60 BCC samples, no viral genome was found in SCCs. There was no distinct association of MCPyV positivity with gender, age, or type of tumor (BCC or SCC) (p value >0.05). Quantitative real-time PCR revealed that the median number of viral DNA copies per cell was 0.7 in 6 MCPyV-positive BCC samples. Furthermore, full-length LT-Ag sequencing of positive samples indicated no stop codon or frameshift mutations compared to reference sequences. CONCLUSION Considering the important role of the LT-Ag in the pathogenicity of MCPyV, non-synonymous mutations compared with the reference proteins triggered relevant amino acid substitutions. Overall, the results showed no tumor-associated mutations in the LT-Ag sequence of MCPyVs from positive samples.
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Affiliation(s)
- Farhad Motavalli Khiavi
- Department of Virology, Pasteur Institute of Iran, Tehran, Iran.,Medical Biotechnology Research Center, AJA University of Medical Sciences, Tehran, Iran
| | - Maryam Nasimi
- Department of Dermatology, Razi Hospital, Tehran University of Medical Sciences, Tehran, Iran,
| | - Hamzeh Rahimi
- Molecular Medicine Department, Pasteur Institute of Iran, Tehran, Iran
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14
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Prezioso C, Obregon F, Ambroselli D, Petrolo S, Checconi P, Rodio DM, Coppola L, Nardi A, de Vito C, Sarmati L, Andreoni M, Palamara AT, Ciotti M, Pietropaolo V. Merkel Cell Polyomavirus (MCPyV) in the Context of Immunosuppression: Genetic Analysis of Noncoding Control Region (NCCR) Variability among a HIV-1-Positive Population. Viruses 2020; 12:v12050507. [PMID: 32375383 PMCID: PMC7291121 DOI: 10.3390/v12050507] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 04/28/2020] [Accepted: 04/30/2020] [Indexed: 12/17/2022] Open
Abstract
Background: Since limited data are available about the prevalence of Merkel cell polyomavirus (MCPyV) and the genetic variability of its noncoding control region (NCCR) in the context of immunosuppression, this study aimed to investigate the distribution of MCPyV in anatomical sites other than the skin and the behavior of NCCR among an HIV-1-positive population. Methods: Urine, plasma, and rectal swabs specimens from a cohort of 66 HIV-1-positive patients were collected and subjected to quantitative real-time polymerase chain reaction (qPCR) for MCPyV DNA detection. MCPyV-positive samples were amplified by nested PCR targeting the NCCR, and NCCRs alignment was carried out to evaluate the occurrence of mutations and to identify putative binding sites for cellular factors. Results: MCPyV DNA was detected in 10/66 urine, in 7/66 plasma, and in 23/66 rectal samples, with a median value of 5 × 102 copies/mL, 1.5 × 102 copies/mL, and 2.3 × 103 copies/mL, respectively. NCCR sequence analysis revealed a high degree of homology with the MCC350 reference strain in urine, whereas transitions, transversions, and single or double deletions were observed in plasma and rectal swabs. In these latter samples, representative GTT and GTTGA insertions were also observed. Search for putative binding sites of cellular transcription factors showed that in several strains, deletions, insertions, or single base substitutions altered the NCCR canonical configuration. Conclusions: Sequencing analysis revealed the presence of numerous mutations in the NCCR, including insertions and deletions. Whether these mutations may have an impact on the pathogenic features of the virus remains to be determined. qPCR measured on average a low viral load in the specimens analyzed, with the exception of those with the GTTGA insertion.
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Affiliation(s)
- Carla Prezioso
- IRCSS San Raffaele Pisana, Microbiology of Chronic Neuro-Degenerative Pathologies, 00166 Rome, Italy; (C.P.); (A.T.P.)
- Department of Public Health and Infectious Diseases, “Sapienza” University, 00185 Rome, Italy; (F.O.); (D.A.); (S.P.); (D.M.R.); (A.N.); (C.d.V.)
| | - Francisco Obregon
- Department of Public Health and Infectious Diseases, “Sapienza” University, 00185 Rome, Italy; (F.O.); (D.A.); (S.P.); (D.M.R.); (A.N.); (C.d.V.)
| | - Donatella Ambroselli
- Department of Public Health and Infectious Diseases, “Sapienza” University, 00185 Rome, Italy; (F.O.); (D.A.); (S.P.); (D.M.R.); (A.N.); (C.d.V.)
| | - Sara Petrolo
- Department of Public Health and Infectious Diseases, “Sapienza” University, 00185 Rome, Italy; (F.O.); (D.A.); (S.P.); (D.M.R.); (A.N.); (C.d.V.)
| | - Paola Checconi
- IRCCS San Raffaele Pisana, Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, 00166 Rome, Italy;
| | - Donatella Maria Rodio
- Department of Public Health and Infectious Diseases, “Sapienza” University, 00185 Rome, Italy; (F.O.); (D.A.); (S.P.); (D.M.R.); (A.N.); (C.d.V.)
| | - Luigi Coppola
- Infectious Diseases Clinic, Policlinic Tor Vergata, 00133 Rome, Italy; (L.C.); (L.S.); (M.A.)
| | - Angelo Nardi
- Department of Public Health and Infectious Diseases, “Sapienza” University, 00185 Rome, Italy; (F.O.); (D.A.); (S.P.); (D.M.R.); (A.N.); (C.d.V.)
| | - Corrado de Vito
- Department of Public Health and Infectious Diseases, “Sapienza” University, 00185 Rome, Italy; (F.O.); (D.A.); (S.P.); (D.M.R.); (A.N.); (C.d.V.)
| | - Loredana Sarmati
- Infectious Diseases Clinic, Policlinic Tor Vergata, 00133 Rome, Italy; (L.C.); (L.S.); (M.A.)
- Department of System Medicine, Tor Vergata University of Rome, 00133 Rome, Italy
| | - Massimo Andreoni
- Infectious Diseases Clinic, Policlinic Tor Vergata, 00133 Rome, Italy; (L.C.); (L.S.); (M.A.)
- Department of System Medicine, Tor Vergata University of Rome, 00133 Rome, Italy
| | - Anna Teresa Palamara
- IRCSS San Raffaele Pisana, Microbiology of Chronic Neuro-Degenerative Pathologies, 00166 Rome, Italy; (C.P.); (A.T.P.)
- Department of Public Health and Infectious Diseases, Institute Pasteur, Cenci-Bolognetti Foundation, Sapienza University of Rome, 00185 Rome, Italy
| | - Marco Ciotti
- Laboratory of Clinical Microbiology and Virology, Polyclinic Tor Vergata Foundation, 00133 Rome, Italy;
| | - Valeria Pietropaolo
- Department of Public Health and Infectious Diseases, “Sapienza” University, 00185 Rome, Italy; (F.O.); (D.A.); (S.P.); (D.M.R.); (A.N.); (C.d.V.)
- Correspondence: ; Tel.: +39-06-4991-4439
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15
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Jing L, Ott M, Church CD, Kulikauskas RM, Ibrani D, Iyer JG, Afanasiev OK, Colunga A, Cook MM, Xie H, Greninger AL, Paulson KG, Chapuis AG, Bhatia S, Nghiem P, Koelle DM. Prevalent and Diverse Intratumoral Oncoprotein-Specific CD8 + T Cells within Polyomavirus-Driven Merkel Cell Carcinomas. Cancer Immunol Res 2020; 8:648-659. [PMID: 32179557 DOI: 10.1158/2326-6066.cir-19-0647] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Revised: 12/16/2019] [Accepted: 03/09/2020] [Indexed: 12/16/2022]
Abstract
Merkel cell carcinoma (MCC) is often caused by persistent expression of Merkel cell polyomavirus (MCPyV) T-antigen (T-Ag). These non-self proteins comprise about 400 amino acids (AA). Clinical responses to immune checkpoint inhibitors, seen in about half of patients, may relate to T-Ag-specific T cells. Strategies to increase CD8+ T-cell number, breadth, or function could augment checkpoint inhibition, but vaccines to augment immunity must avoid delivery of oncogenic T-antigen domains. We probed MCC tumor-infiltrating lymphocytes (TIL) with an artificial antigen-presenting cell (aAPC) system and confirmed T-Ag recognition with synthetic peptides, HLA-peptide tetramers, and dendritic cells (DC). TILs from 9 of 12 (75%) subjects contained CD8+ T cells recognizing 1-8 MCPyV epitopes per person. Analysis of 16 MCPyV CD8+ TIL epitopes and prior TIL data indicated that 97% of patients with MCPyV+ MCC had HLA alleles with the genetic potential that restrict CD8+ T-cell responses to MCPyV T-Ag. The LT AA 70-110 region was epitope rich, whereas the oncogenic domains of T-Ag were not commonly recognized. Specific recognition of T-Ag-expressing DCs was documented. Recovery of MCPyV oncoprotein-specific CD8+ TILs from most tumors indicated that antigen indifference was unlikely to be a major cause of checkpoint inhibition failure. The myriad of epitopes restricted by diverse HLA alleles indicates that vaccination can be a rational component of immunotherapy if tumor immune suppression can be overcome, and the oncogenic regions of T-Ag can be modified without impacting immunogenicity.
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Affiliation(s)
- Lichen Jing
- Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, Washington
| | - Mariliis Ott
- Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, Washington
| | - Candice D Church
- Division of Dermatology, Department of Medicine, University of Washington, Seattle, Washington
| | - Rima M Kulikauskas
- Division of Dermatology, Department of Medicine, University of Washington, Seattle, Washington
| | - Dafina Ibrani
- Division of Dermatology, Department of Medicine, University of Washington, Seattle, Washington
| | - Jayasri G Iyer
- Division of Dermatology, Department of Medicine, University of Washington, Seattle, Washington
| | - Olga K Afanasiev
- Division of Dermatology, Department of Medicine, University of Washington, Seattle, Washington
| | - Aric Colunga
- Division of Dermatology, Department of Medicine, University of Washington, Seattle, Washington
| | - Maclean M Cook
- Division of Dermatology, Department of Medicine, University of Washington, Seattle, Washington
| | - Hong Xie
- Department of Laboratory Medicine, University of Washington, Seattle, Washington
| | | | - Kelly G Paulson
- Division of Medical Oncology, Department of Medicine, University of Washington, Seattle, Washington.,Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Aude G Chapuis
- Division of Medical Oncology, Department of Medicine, University of Washington, Seattle, Washington.,Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Shailender Bhatia
- Division of Medical Oncology, Department of Medicine, University of Washington, Seattle, Washington.,Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Paul Nghiem
- Division of Dermatology, Department of Medicine, University of Washington, Seattle, Washington.,Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - David M Koelle
- Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, Washington. .,Department of Laboratory Medicine, University of Washington, Seattle, Washington.,Vaccine and Infectious Diseases Division, Fred Hutchinson Cancer Research Center, Seattle, Washington.,Department of Global Health, University of Washington, Seattle, Washington.,Benaroya Research Institute, Seattle, Washington
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16
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Csoboz B, Rasheed K, Sveinbjørnsson B, Moens U. Merkel cell polyomavirus and non-Merkel cell carcinomas: guilty or circumstantial evidence? APMIS 2020; 128:104-120. [PMID: 31990105 DOI: 10.1111/apm.13019] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 12/02/2019] [Indexed: 12/11/2022]
Abstract
Merkel cell polyomavirus (MCPyV) is the major causative factor of the rare but aggressive cancer, Merkel cell carcinoma (MCC). Two characteristics of MCPyV-positive MCCs are integration of the viral genome and expression of a truncated version of one of its oncogenic proteins, namely large T antigen. The strong association of MCPyV with MCC development has incited researchers to further investigate a possible role of this virus in other cancers. However, many of the examples displaying the presence of the virus in the various non-MCC cancers are not able to clearly demonstrate a direct connection between cellular transformation and the presence of the virus. The prevalence of the virus is significantly lower in non-MCC cancers compared to MCCs, with a lower level of viral load and sparse viral protein expression. Moreover, the state of the viral genome, and whether a truncated large T antigen is expressed, has rarely been investigated. Nonetheless, considering the strong oncogenic potential of MCPyV proteins in MCC, the plausible contribution of MCPyV to transformation and cancer growth in non-MCC tumors cannot be ruled out. Furthermore, the absence of MCPyV in cancers does not exclude a hit-and-run mechanism, or the oncoproteins of MCPyV may potentiate the neoplastic process mediated by co-infecting oncoviruses such as high-risk human papillomaviruses and Epstein-Barr virus. The current review is focusing on the available data describing the presence of MCPyV in non-MCC tumors, with an aim to provide a comprehensive overview of the corresponding literature and to discuss the potential contribution of MCPyV to non-MCC cancer in light of this.
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Affiliation(s)
- Balint Csoboz
- Molecular Inflammation Research Group, Department of Medical Biology, University of Tromsø - The Arctic University of Norway, Tromsø, Norway
| | - Kashif Rasheed
- Molecular Inflammation Research Group, Department of Medical Biology, University of Tromsø - The Arctic University of Norway, Tromsø, Norway
| | - Baldur Sveinbjørnsson
- Molecular Inflammation Research Group, Department of Medical Biology, University of Tromsø - The Arctic University of Norway, Tromsø, Norway
| | - Ugo Moens
- Molecular Inflammation Research Group, Department of Medical Biology, University of Tromsø - The Arctic University of Norway, Tromsø, Norway
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17
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Silling S, Söylemez Ü, Mauch C, Zigrino P, Kreuter A, Wieland U, Akgül B. Human papillomavirus type 197 is not associated with skin tumors. Int J Cancer 2019; 145:3179-3180. [PMID: 31456242 DOI: 10.1002/ijc.32646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 08/15/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Steffi Silling
- Institute of Virology, University of Cologne, Faculty of Medicine and University Hospital of Cologne, Cologne, Germany.,National Reference Center for Papilloma- and Polyomaviruses, University of Cologne, Faculty of Medicine and University Hospital of Cologne, Cologne, Germany
| | - Ümran Söylemez
- Institute of Virology, University of Cologne, Faculty of Medicine and University Hospital of Cologne, Cologne, Germany
| | - Cornelia Mauch
- Department of Dermatology and Venerology, University Hospital Cologne, Cologne, Germany
| | - Paola Zigrino
- Department of Dermatology and Venerology, University Hospital Cologne, Cologne, Germany
| | - Alexander Kreuter
- Department of Dermatology, Venereology, and Allergology, Helios St Elisabeth Hospital Oberhausen, University Witten-Herdecke, Oberhausen, Germany
| | - Ulrike Wieland
- Institute of Virology, University of Cologne, Faculty of Medicine and University Hospital of Cologne, Cologne, Germany.,National Reference Center for Papilloma- and Polyomaviruses, University of Cologne, Faculty of Medicine and University Hospital of Cologne, Cologne, Germany
| | - Baki Akgül
- Institute of Virology, University of Cologne, Faculty of Medicine and University Hospital of Cologne, Cologne, Germany.,National Reference Center for Papilloma- and Polyomaviruses, University of Cologne, Faculty of Medicine and University Hospital of Cologne, Cologne, Germany
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18
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Kamminga S, van der Meijden E, de Brouwer C, Feltkamp M, Zaaijer H. Prevalence of DNA of fourteen human polyomaviruses determined in blood donors. Transfusion 2019; 59:3689-3697. [PMID: 31633816 PMCID: PMC6916541 DOI: 10.1111/trf.15557] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 09/24/2019] [Accepted: 09/24/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND Human polyomaviruses (HPyVs), like herpesviruses, cause persistent infection in a large part of the population. In immunocompromised and elderly patients, PyVs cause severe diseases such as nephropathy (BK polyomavirus [BKPyV]), progressive multifocal leukoencephalopathy (JC polyomavirus [JCPyV]), and skin cancer (Merkel cell polyomavirus [MCPyV]). Like cytomegalovirus, donor‐derived PyV can cause disease in kidney transplant recipients. Possibly blood components transmit PyVs as well. To study this possibility, as a first step we determined the presence of PyV DNA in Dutch blood donations. STUDY DESIGN AND METHODS Blood donor serum samples (n = 1016) were analyzed for the presence of DNA of 14 HPyVs using HPyV species‐specific quantitative polymerase chain reaction (PCR) procedures. PCR‐positive samples were subjected to confirmation by sequencing. Individual PCR findings were compared with the previously reported PyV serostatus. RESULTS MC polyomavirus DNA was detected in 39 donors (3.8%), JCPyV and TS polyomavirus (TSPyV) DNA in five donors (both 0.5%), and HPyV9 DNA in four donors (0.4%). BKPyV, WU polyomavirus (WUPyV), HPyV6, MW polyomavirus (MWPyV), and LI polyomavirus (LIPyV) DNA was detected in one or two donors. Amplicon sequencing confirmed the expected product for BKPyV, JCPyV, WUPyV, MCPyV, HPyV6, TSPyV, MWPyV, HPyV9, and LIPyV. For JCPyV a significant association was observed between detection of viral DNA and the level of specific IgG antibodies. CONCLUSION In 5.4% of Dutch blood donors PyV DNA was detected, including DNA from pathogenic PyVs such as JCPyV. As a next step, the infectivity of PyV in donor blood and transmission via blood components to immunocompromised recipients should be investigated.
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Affiliation(s)
- Sergio Kamminga
- Department of Blood-borne Infections, Sanquin Research, Amsterdam, Netherlands.,Department of Medical Microbiology, Leiden University Medical Center, Leiden, Netherlands
| | - Els van der Meijden
- Department of Medical Microbiology, Leiden University Medical Center, Leiden, Netherlands
| | - Caroline de Brouwer
- Department of Medical Microbiology, Leiden University Medical Center, Leiden, Netherlands
| | - Mariet Feltkamp
- Department of Medical Microbiology, Leiden University Medical Center, Leiden, Netherlands
| | - Hans Zaaijer
- Department of Blood-borne Infections, Sanquin Research, Amsterdam, Netherlands
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19
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Jin HT, Park SJ, Choi EK, Kim YS. The frequency of Merkel cell polyomavirus in whole blood from immunocompetent and immunosuppressed patients with kidney disease and healthy donors. Microb Pathog 2019; 131:75-80. [PMID: 30910721 DOI: 10.1016/j.micpath.2019.03.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 03/09/2019] [Accepted: 03/15/2019] [Indexed: 10/27/2022]
Abstract
Merkel cell polyomavirus (MCPyV) is a rare, aggressive and related to human diseases in immunocompromised patients. MCPyV has been detected in skin neoplasms, various cancers, immunosuppressed patients and immunocompetent individuals. Several studies have confirmed the presence of MCPyV in patients with kidney dysfunction, such as kidney transplant (KTx) and long-term dialysis patients. The aims of this study were to quantify and compare the frequency of MCPyV in whole blood samples from immunocompetent and immunosuppressed patients and healthy blood donors and to compare MCPyV genotypes in a Korean population. DNA from Groups 1, 2, and 3 was screened for MCPyV using polymerase chain reaction (PCR) and quantitative real-time PCR (qPCR) with primer pairs targeting two regions of the large T-antigen. Thirteen of 122 whole-blood samples (12.7%) were positive for MCPyV. The virus was detected in the three groups of patients and healthy donors; specifically, in 5 of 30 (16.7%) KTx patients (Group 1), 6 of 52 (11.5%) dialysis patients (Group 2), and 4 of 40 (10%) healthy donors (Group 3). Low viral DNA loads 4.4-18 copies/μl were observed using qPCR DNA sequences from the two MCPyV-LT regions, which showed high homology with MCPyV sequences belonging to the TKS strain from Japan rather than the Chinese/European/North American strains. The MCPyV DNA was similarly amplified in whole blood from immunocompetent and immunosuppressed patients and healthy donors. This virus may be involved in establishing the persistence of infected peripheral leukocytes in the host, based on the incidence of detection of MCPyV DNA in blood samples from immunocompromised and immunocompetent subjects. This study is the first to identify a Korean MCPyV strain in whole-blood samples from Korean patients with kidney disease and healthy individuals.
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Affiliation(s)
- Hyoung-Tae Jin
- Ilsong Institute of Life Science, Hallym University, Anyang, Gyeonggi-do, 14066, South Korea
| | - Seok-Joo Park
- Ilsong Institute of Life Science, Hallym University, Anyang, Gyeonggi-do, 14066, South Korea
| | - Eun-Kyoung Choi
- Ilsong Institute of Life Science, Hallym University, Anyang, Gyeonggi-do, 14066, South Korea; Department of Biomedical Gerontology, Graduate School of Hallym University, Chuncheon, Gangwon-do, 24252, South Korea.
| | - Yong-Sun Kim
- Ilsong Institute of Life Science, Hallym University, Anyang, Gyeonggi-do, 14066, South Korea; Department of Microbiology, College of Medicine, Hallym University, Chuncheon, Gangwon-do, 24252, South Korea.
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20
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Shahzad N, Hussain I, Gilani US, Tayyeb A, Aslam MA, Khurshid M, Hassan U, Tasneem F, Umer M, Rashid N. Merkel cell polyomavirus DNA sequences in the blood of healthy population of Pakistan. Future Microbiol 2019; 14:599-608. [PMID: 30864465 DOI: 10.2217/fmb-2018-0314] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Aim: This study aimed at detecting and quantifying Merkel cell polyomavirus (MCPyV) viral loads in the peripheral blood of healthy Pakistani individuals. Patients & methods: A total of 221 whole blood samples obtained from healthy individuals were examined by qPCR. Results & conclusion: MCPyV was detected in the peripheral blood of 31.2% healthy individuals. The rate of MCPyV positivity decreased from young (36%), to middle (33.7%) and elder (25.3%) age groups. Our data revealed higher prevalence of MCPyV in women (43.93%) than men (25.80%). The MCPyV viral load was calculated in the range of 0.06 -11 copies/ng of isolated DNA. The MCPyV viral load increased from young (median = 3.35) to elder (median = 5.66) age groups. The MCPyV circulate at a higher frequency by residing dormant in certain blood cells, which might act as potential vehicles for the spread of MCPyV infection among general population.
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Affiliation(s)
- Naveed Shahzad
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan
| | - Iqra Hussain
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan
| | - Usman S Gilani
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan
| | - Asima Tayyeb
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan
| | - Muhammad A Aslam
- Institute of Microbiology, University of Agriculture Faisalabad, Pakistan
| | - Muhammad Khurshid
- Institute of Biochemistry & Biotechnology, University of the Punjab, Lahore, Pakistan
| | - Umair Hassan
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan
| | - Fareeda Tasneem
- Department of Zoology, University of the Punjab, Lahore, Pakistan
| | - Muhammd Umer
- Queensland Micro- & Nanotechnology Centre (QMNC), Griffith University, Nathan Campus, QLD 4111, Australia
| | - Naeem Rashid
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan
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21
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Zanotta N, Delbue S, Signorini L, Villani S, D'Alessandro S, Campisciano G, Colli C, De Seta F, Ferrante P, Comar M. Merkel Cell Polyomavirus Is Associated with Anal Infections in Men Who Have Sex with Men. Microorganisms 2019; 7:microorganisms7020054. [PMID: 30791443 PMCID: PMC6406607 DOI: 10.3390/microorganisms7020054] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 02/13/2019] [Accepted: 02/14/2019] [Indexed: 12/12/2022] Open
Abstract
Background: Viral infections of the anal/rectal tract of men who have sex with men (MSM) have been poorly studied. Methods: In total, 158 swab samples (81 anal/rectal, 65 throat/oral and 12 urethral) were collected from 126 MSM. DNA was isolated and subjected to real-time PCR assays for the detection of the sexually transmitted (ST) pathogens Chlamydia trachomatis, Neisseria gonorrhoeae and Mycoplasmas ssp, human papillomavirus (HPV) and six human polyomaviruses (HPyVs; JCPyV, BKPyV, Merkel cell PyV–MCPyV-, HPyV-6, HPyV-7 and HPyV-9). Results: C. trachomatis (31/126, 24.6%) and M. genitalium (30/126, 23.8%) were the most frequently detected ST pathogens. Thirty-one/126 (24.6%) patients were positive for at least one HPyV. The significantly (p < 0.05) prevalent HPyV in the anal tract was MCPyV, which was amplified in 27/81 (33.3%) samples, followed by HPyV-6, which was amplified in 6/81 (7.4%) swabs. Coinfections with MCPyV and C. trachomatis or Mycoplasmas were found in 4/21 (19.0%) and 5/21 (23.8%) anal/rectal swabs, respectively. Three/4 MCPyV-C. trachomatis coinfected patients were symptomatic. Conclusions: Based on the high prevalence of MCPyV in the anal/rectal swabs from MSM patients and on the well-known oncogenic properties of MCPyV, sexual transmission and possible involvement of HPyVs in the pathogenesis of diseases of the anal canal should be further studied.
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Affiliation(s)
- Nunzia Zanotta
- Institute for Maternal and Child Health-IRCCS "Burlo Garofolo", 34137 Trieste, Italy.
| | - Serena Delbue
- Department of Biomedical, Surgical and Dental Sciences, University of Milano, 20133 Milano, Italy.
| | - Lucia Signorini
- Department of Biomedical, Surgical and Dental Sciences, University of Milano, 20133 Milano, Italy.
| | - Sonia Villani
- Department of Biomedical, Surgical and Dental Sciences, University of Milano, 20133 Milano, Italy.
| | - Sarah D'Alessandro
- Department of Biomedical, Surgical and Dental Sciences, University of Milano, 20133 Milano, Italy.
| | | | | | - Francesco De Seta
- Institute for Maternal and Child Health-IRCCS "Burlo Garofolo", 34137 Trieste, Italy.
| | - Pasquale Ferrante
- Institute for Maternal and Child Health-IRCCS "Burlo Garofolo", 34137 Trieste, Italy.
| | - Manola Comar
- Institute for Maternal and Child Health-IRCCS "Burlo Garofolo", 34137 Trieste, Italy.
- Department of Medical Science, University of Trieste, 34127 Trieste, Italy.
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22
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Vazquez-Guillen JM, Palacios-Saucedo GC, Rivera-Morales LG, Alonzo-Morado MV, Burciaga-Bernal SB, Montufar-Martinez M, Ortiz-Lopez R, Gonzalez-Villasana V, Martinez-Torres AC, Serna-Hernandez JC, Hernandez-Martinez SJ, Castelan-Maldonado EE, Zavala-Pompa A, Montalvo-Bañuelos MS, Garcia-Cabello R, Sanchez-Fresno EC, Rodriguez-Padilla C. Infection and coinfection by human papillomavirus, Epstein-Barr virus and Merkel cell polyomavirus in patients with squamous cell carcinoma of the larynx: a retrospective study. PeerJ 2018; 6:e5834. [PMID: 30386708 PMCID: PMC6203941 DOI: 10.7717/peerj.5834] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 09/27/2018] [Indexed: 12/17/2022] Open
Abstract
Background Human papillomavirus (HPV) is recognized as an important risk factor for laryngeal carcinogenesis. Although HPV-16 and 18 have been strongly implicated, the presence of other high-risk HPV (HR-HPV) genotypes or the coinfection with Epstein-Barr virus (EBV) or Merkel cell polyomavirus (MCPV) may increase the risk, but their etiological association has not been definitively established. Methods We characterized the genotype-specific HPV and the frequency of EBV and MCPV infections through the detection of their DNA in 195 laryngeal specimens of squamous cell carcinoma (SCC) histologically confirmed. Results HPV DNA was detected in 93 (47.7%) specimens. HPV-11 was the most frequent with 68 cases (73.1%), and HPV-52 was the most frequently HR-HPV found with 51 cases, which corresponds to 54.8% of all HPV-positive specimens. EBV DNA was detected in 54 (27.7%) tumor tissue specimens of which 25 (46.3%) were in coinfection with HPV. MCPV DNA was detected only in 11 (5.6%) cases of which 5 (45.4%) were in coinfection with an HR-HPV. No association between the presence of DNA of the three examined viruses and the patient smoking habits, alcohol consumption, age, the keratinization status, differentiation grade, or localization of the tumor in the larynx were found. Discussion HPV-52 was the most prevalent HR-HPV, which may suggest that this and other genotypes in addition to HPV-16 and 18 could be considered for prophylaxis. However, further studies including non-cancer larynx cases and the evaluation of other molecular markers and viral co-infection mechanisms are needed to determine the role of the different HR-HPV genotypes, EBV, and MCPV in the etiology of SCC of the larynx.
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Affiliation(s)
- Jose Manuel Vazquez-Guillen
- Laboratorio de Inmunología y Virología, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Gerardo C Palacios-Saucedo
- División de Investigación, Departamentos de Otorrinolaringología y Anatomía Patológica, Unidad Médica de Alta Especialidad No. 25, Instituto Mexicano del Seguro Social, Monterrey, Nuevo León, México
| | - Lydia Guadalupe Rivera-Morales
- Laboratorio de Inmunología y Virología, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Monica Valeria Alonzo-Morado
- Laboratorio de Inmunología y Virología, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Saira Berenice Burciaga-Bernal
- Laboratorio de Inmunología y Virología, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Maribel Montufar-Martinez
- Centro de Investigación y Desarrollo en Ciencias de la Salud, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Rocio Ortiz-Lopez
- Escuela de Medicina y Ciencias de la Salud, Tecnologico de Monterrey, Monterrey, Nuevo Léon, México
| | - Vianey Gonzalez-Villasana
- Departamento de Biología Celular y Genética, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Ana Carolina Martinez-Torres
- Laboratorio de Inmunología y Virología, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Julio Cesar Serna-Hernandez
- División de Investigación, Departamentos de Otorrinolaringología y Anatomía Patológica, Unidad Médica de Alta Especialidad No. 25, Instituto Mexicano del Seguro Social, Monterrey, Nuevo León, México
| | - Silvia Judith Hernandez-Martinez
- División de Investigación, Departamentos de Otorrinolaringología y Anatomía Patológica, Unidad Médica de Alta Especialidad No. 25, Instituto Mexicano del Seguro Social, Monterrey, Nuevo León, México
| | - Edmundo Erbey Castelan-Maldonado
- División de Investigación, Departamentos de Otorrinolaringología y Anatomía Patológica, Unidad Médica de Alta Especialidad No. 25, Instituto Mexicano del Seguro Social, Monterrey, Nuevo León, México
| | - Angel Zavala-Pompa
- Laboratorio de Inmunología y Virología, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | | | - Ricardo Garcia-Cabello
- División de Investigación, Departamentos de Otorrinolaringología y Anatomía Patológica, Unidad Médica de Alta Especialidad No. 25, Instituto Mexicano del Seguro Social, Monterrey, Nuevo León, México
| | - Ethel Corinthia Sanchez-Fresno
- División de Investigación, Departamentos de Otorrinolaringología y Anatomía Patológica, Unidad Médica de Alta Especialidad No. 25, Instituto Mexicano del Seguro Social, Monterrey, Nuevo León, México
| | - Cristina Rodriguez-Padilla
- Laboratorio de Inmunología y Virología, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
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23
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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] [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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24
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Rosario K, Fierer N, Miller S, Luongo J, Breitbart M. Diversity of DNA and RNA Viruses in Indoor Air As Assessed via Metagenomic Sequencing. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:1014-1027. [PMID: 29298386 DOI: 10.1021/acs.est.7b04203] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Diverse bacterial and fungal communities inhabit human-occupied buildings and circulate in indoor air; however, viral diversity in these man-made environments remains largely unknown. Here we investigated DNA and RNA viruses circulating in the air of 12 university dormitory rooms by analyzing dust accumulated over a one-year period on heating, ventilation, and air conditioning (HVAC) filters. A metagenomic sequencing approach was used to determine the identity and diversity of viral particles extracted from the HVAC filters. We detected a broad diversity of viruses associated with a range of hosts, including animals, arthropods, bacteria, fungi, humans, plants, and protists, suggesting that disparate organisms can contribute to indoor airborne viral communities. Viral community composition and the distribution of human-infecting papillomaviruses and polyomaviruses were distinct in the different dormitory rooms, indicating that airborne viral communities are variable in human-occupied spaces and appear to reflect differential rates of viral shedding from room occupants. This work significantly expands the known airborne viral diversity found indoors, enabling the design of sensitive and quantitative assays to further investigate specific viruses of interest and providing new insight into the likely sources of viruses found in indoor air.
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Affiliation(s)
- Karyna Rosario
- College of Marine Science, University of South Florida , Saint Petersburg, Florida 33701, United States
| | - Noah Fierer
- Department of Ecology and Evolutionary Biology, University of Colorado , Boulder, Colorado 80309, United States
- Cooperative Institute for Research in Environmental Sciences, University of Colorado , Boulder, Colorado 80309, United States
| | - Shelly Miller
- Department of Mechanical Engineering, University of Colorado , Boulder, Colorado 80309, United States
| | - Julia Luongo
- Department of Mechanical Engineering, University of Colorado , Boulder, Colorado 80309, United States
| | - Mya Breitbart
- College of Marine Science, University of South Florida , Saint Petersburg, Florida 33701, United States
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25
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Hillen LM, Rennspiess D, Speel EJ, Haugg AM, Winnepenninckx V, Zur Hausen A. Detection of Merkel Cell Polyomavirus in Seborrheic Keratosis. Front Microbiol 2018; 8:2648. [PMID: 29375515 PMCID: PMC5767171 DOI: 10.3389/fmicb.2017.02648] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 12/19/2017] [Indexed: 11/20/2022] Open
Abstract
Seborrheic keratosis (SK) is the most common benign cutaneous neoplasm. A subset shows increased p16 expression. Since SK shares several features with verruca vulgaris, e.g., increased p16 expression, human papillomaviruses (HPV) have been suggested as possible causal agents. However, a relevant association could not be established between HPV and SK. In the present study we aimed to investigate the presence of Merkel cell polyomavirus (MCPyV) in relation to p16 expression in SK. P16 expression was investigated using immunohistochemistry (IHC). Presence of MCPyV was assessed in 23 formalin-fixed paraffin-embedded tissue samples of SK by molecular techniques (i.e., PCR and FISH) and IHC. 16/23 SK showed strong to moderate p16 expression. 6/23 of SK were MCPyV positive by PCR which was confirmed by FISH. Of interest, two samples with strong FISH signals also showed MCPyV expression as tested by IHC. Samples with weaker signal intensity were negative in IHC. P16 expression was not associated with the presence of MCPyV. Concluding, the detection of MCPyV DNA by PCR and FISH in SK reflects the widespread prevalence of MCPyV in the skin. However, low detection rates exclude MCPyV as a major pathogenic factor in SK, most likely representing a coincidental infection. P16 IHC does not appear as useful adjunctive surrogate marker for the presence of MCPyV in SK.
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Affiliation(s)
- Lisa M Hillen
- Department of Pathology and GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, Netherlands
| | - Dorit Rennspiess
- Department of Pathology and GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, Netherlands
| | - Ernst-Jan Speel
- Department of Pathology and GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, Netherlands
| | - Anke M Haugg
- Department of Gynaecology, University Hospital RWTH Aachen, Aachen, Germany
| | - Véronique Winnepenninckx
- Department of Pathology and GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, Netherlands
| | - Axel Zur Hausen
- Department of Pathology and GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, Netherlands
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26
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Signorini L, Villani S, Ticozzi R, Ambrogi F, Dolci M, Boldorini R, Ciotti M, Ferrante P, Delbue S. Merkel cell polyomavirus DNA in the blood of patients with neurological diseases and healthy controls. Future Virol 2017. [DOI: 10.2217/fvl-2017-0078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Aim: Merkel cell polyomavirus (MCPyV) is the etiological agent of Merkel cell carcinoma. Its genome has been detected in anatomic districts from healthy and ill subjects. Data regarding the MCPyV DNAemia in neurological patients are lacking. Materials & methods: Blood was obtained from 129 neurological patients and 181 controls (HIV positive or negative). Real-time polymerase chain reaction (Q-PCR) was conducted to quantify MCPyV loads in blood specimens. Results: MCPyV DNA was detected in 17.1% of cases and 11.0% of controls in <1% of cells. No association between MCPyV DNA presence and HIV status was observed. Conclusion: Blood cells may be a reservoir for MCPyV. The presence of MCPyV genome in blood of healthy subjects might be relevant for transfusion medicine.
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Affiliation(s)
- Lucia Signorini
- Department of Medicine & Surgery, Via Cadore, 48, University of Milano Bicocca, 20900 Monza, Italy
| | - Sonia Villani
- Department of Biomedical, Surgical & Dental Sciences, Via Pascal, 36, University of Milano, 20133 Milano, Italy
| | - Rosalia Ticozzi
- Department of Biomedical, Surgical & Dental Sciences, Via Pascal, 36, University of Milano, 20133 Milano, Italy
| | - Federico Ambrogi
- Department of Clinical Sciences & Community Health, Medical Statistics, Biometry and Bioinformatics, University of Milan, 20133 Milan, Italy
| | - Maria Dolci
- Department of Biomedical, Surgical & Dental Sciences, Via Pascal, 36, University of Milano, 20133 Milano, Italy
| | - Renzo Boldorini
- Unit of Pathology, Department of Health Sciences, University of Eastern Piedmont Novara, Corso Giuseppe Mazzini, 18, 28100 Novara, Italy
| | - Marco Ciotti
- Laboratory of Molecular Virology, Polyclinic Tor Vergata Foundation, 00173 Rome, Italy
| | - Pasquale Ferrante
- Department of Biomedical, Surgical & Dental Sciences, Via Pascal, 36, University of Milano, 20133 Milano, Italy
| | - Serena Delbue
- Department of Biomedical, Surgical & Dental Sciences, Via Pascal, 36, University of Milano, 20133 Milano, Italy
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27
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Mui UN, Haley CT, Tyring SK. Viral Oncology: Molecular Biology and Pathogenesis. J Clin Med 2017; 6:E111. [PMID: 29186062 PMCID: PMC5742800 DOI: 10.3390/jcm6120111] [Citation(s) in RCA: 101] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 11/17/2017] [Accepted: 11/22/2017] [Indexed: 02/06/2023] Open
Abstract
Oncoviruses are implicated in approximately 12% of all human cancers. A large number of the world's population harbors at least one of these oncoviruses, but only a small proportion of these individuals go on to develop cancer. The interplay between host and viral factors is a complex process that works together to create a microenvironment conducive to oncogenesis. In this review, the molecular biology and oncogenic pathways of established human oncoviruses will be discussed. Currently, there are seven recognized human oncoviruses, which include Epstein-Barr Virus (EBV), Human Papillomavirus (HPV), Hepatitis B and C viruses (HBV and HCV), Human T-cell lymphotropic virus-1 (HTLV-1), Human Herpesvirus-8 (HHV-8), and Merkel Cell Polyomavirus (MCPyV). Available and emerging therapies for these oncoviruses will be mentioned.
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Affiliation(s)
- Uyen Ngoc Mui
- Center for Clinical Studies, Houston, TX 77004, USA.
| | | | - Stephen K Tyring
- Center for Clinical Studies, Houston, TX 77004, USA.
- Department of Dermatology, University of Texas Health Science Center at Houston, Houston, TX 77004, USA.
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Álvarez-Argüelles ME, Melón S, Rojo S, Fernandez-Blázquez A, Boga JA, Palacio A, Vivanco B, de Oña M. Detection and quantification of Merkel cell polyomavirus. Analysis of Merkel cell carcinoma cases from 1977 to 2015. J Med Virol 2017; 89:2224-2229. [DOI: 10.1002/jmv.24896] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2017] [Accepted: 06/19/2017] [Indexed: 11/06/2022]
Affiliation(s)
| | - Santiago Melón
- Department of Microbiology; Unit of Virology; Hospital Universitario Central de Asturias; Oviedo Spain
| | - Susana Rojo
- Department of Microbiology; Unit of Virology; Hospital Universitario Central de Asturias; Oviedo Spain
| | - Ana Fernandez-Blázquez
- Department of Microbiology; Unit of Virology; Hospital Universitario Central de Asturias; Oviedo Spain
| | - Jose A. Boga
- Department of Microbiology; Unit of Virology; Hospital Universitario Central de Asturias; Oviedo Spain
| | - Ana Palacio
- Department of Microbiology; Unit of Virology; Hospital Universitario Central de Asturias; Oviedo Spain
| | - Blanca Vivanco
- Department of Pathological Anatomy; Hospital Universitario Central de Asturias; Oviedo Spain
| | - María de Oña
- Department of Microbiology; Unit of Virology; Hospital Universitario Central de Asturias; Oviedo Spain
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29
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Masson Regnault M, Vigarios E, Projetti F, Herbault-Barres B, Tournier E, Lamant L, Sibaud V. No detection of Merkel cell polyomavirus in oral lichen planus: Results of a preliminary study in a French cohort of patients. J Med Virol 2017; 89:2055-2057. [PMID: 28661003 DOI: 10.1002/jmv.24887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 06/10/2017] [Indexed: 11/06/2022]
Abstract
Oral lichen planus (OLP) is a chronic inflammatory disease considered as a CD8+ T lymphocyte-mediated autoimmune reaction, which may be triggered by undetermined virus. Recent reports have described the detection of Merkel cell polyomavirus (MCPyV) DNA in oral samples from healthy patients and in patients with different forms of oral cancers. We therefore investigated in a prospective way whether MCPyV was detectable in oral lesions of patients with active OLP. Our preliminary results do not support the hypothesis that OLP may be triggered by MCPyV infection. Further studies are needed to evaluate the involvement of other human polyomaviruses in OLP pathogenesis.
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Affiliation(s)
- Marie Masson Regnault
- Department of Oncodermatology, Institut Claudius Regaud, Institut Universitaire du Cancer, Toulouse Oncopole, Toulouse, France
| | - Emmanuelle Vigarios
- Department of Oral Medicine, Institut Claudius Regaud, Institut Universitaire du Cancer, Toulouse Oncopole, Toulouse, France.,University of Toulouse III Paul Sabatier, Toulouse, France
| | - Fabrice Projetti
- Department of Pathology, Toulouse University Hospital, Toulouse, France
| | | | - Emilie Tournier
- University of Toulouse III Paul Sabatier, Toulouse, France.,Department of Pathology, Toulouse University Hospital, Toulouse, France
| | - Laurence Lamant
- University of Toulouse III Paul Sabatier, Toulouse, France.,Department of Pathology, Toulouse University Hospital, Toulouse, France
| | - Vincent Sibaud
- Department of Oncodermatology, Institut Claudius Regaud, Institut Universitaire du Cancer, Toulouse Oncopole, Toulouse, France
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Vahabpour R, Nasimi M, Naderi N, Salehi-Vaziri M, Mohajel N, Sadeghi F, Keyvani H, Monavari SH. Merkel cell polyomavirus IgG antibody levels are associated with progression to AIDS among HIV-infected individuals. Arch Virol 2016; 162:963-969. [PMID: 28000050 DOI: 10.1007/s00705-016-3186-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Accepted: 11/04/2016] [Indexed: 10/20/2022]
Abstract
The association of Merkel cell polyomavirus (MCPyV) with Merkel cell carcinoma (MCC) in immunocompromised individuals has been revealed in a number of surveys. The study of MCPyV specific antibody titers and viral loads in such patients has a great attraction for research groups interested in viral reactivation. In this cross-sectional study to evaluate MCPyV antibody titer, DNA prevalence and viral load in peripheral blood mononuclear cells (PBMCs), we examined 205 HIV-1 infected patients and 100 un-infected controls. The HIV-1 infected patients divided into two groups (HIV/AIDS and non-AIDS) according to their CD4 status. Total IgG antibody titer against MCPyV was analyzed by virus like particle (VLP)-based enzyme linked immunosorbent assay (ELISA). Presence of MCPyV-DNA in subject's PBMCs was examined by quantitative real-time PCR assay. Levels of anti-MCPyV IgG in HIV/AIDS patients were significantly higher than those in non-AIDS HIV-infected and control subjects (p value = <0.001). The prevalence rate of MCPyV-DNA in PBMCs of HIV/AIDS, non-AIDS HIV-infected and un-infected controls were 17%, 16%, and 14% respectively. The MCPyV viral load among the groups ranged between 0.15 to 2.9 copies/103cells (median, 1.9 copies/103cells), with no significant difference between the studied populations (p value = 0.3).
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Affiliation(s)
- Rouhollah Vahabpour
- Medical Lab Technology Department, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Nasimi
- Department of Dermatology, Tehran University of Medical Sciences, Tehran, Iran
| | - Niloofar Naderi
- Department of Molecular and Cellular sciences, Pharmaceutical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Mostafa Salehi-Vaziri
- Department of Arboviruses and Viral Hemorrhagic Fevers, Pasteur Institute of Iran, Tehran, Iran
| | - Nasir Mohajel
- Department of Virology, Pasteur Institute of Iran, Tehran, Iran
| | - Farzin Sadeghi
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Hossein Keyvani
- Department of Virology, Iran University of Medical Sciences, Junction of Shahid Hemmat and Shahid Chamran Expressways, P.O. Box: 15785-6171, Tehran, 1449614535, Iran
| | - Seyed Hamidreza Monavari
- Department of Virology, Iran University of Medical Sciences, Junction of Shahid Hemmat and Shahid Chamran Expressways, P.O. Box: 15785-6171, Tehran, 1449614535, Iran.
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Kisseljov FL, Vinokurova SV, Kisseljova NP. Novel human DNA viruses and their putative associations with human diseases. Mol Biol 2016. [DOI: 10.1134/s0026893316040063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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32
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Hashida Y, Nakajima K, Nakajima H, Shiga T, Tanaka M, Murakami M, Matsuzaki S, Naganuma S, Kuroda N, Seki Y, Katano H, Sano S, Daibata M. High load of Merkel cell polyomavirus DNA detected in the normal skin of Japanese patients with Merkel cell carcinoma. J Clin Virol 2016; 82:101-107. [PMID: 27472520 DOI: 10.1016/j.jcv.2016.07.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 07/11/2016] [Accepted: 07/20/2016] [Indexed: 01/26/2023]
Abstract
BACKGROUND Although Merkel cell polyomavirus (MCPyV) has the potential to cause Merkel cell carcinoma (MCC), it is also found in the normal skin of healthy individuals. However, the mechanism for transformation of MCPyV to an oncogenic form is unknown. OBJECTIVES To investigate the levels of MCPyV infection in the normal skin patients with MCC compared with those in a control cohort. STUDY DESIGN We studied a total of six Japanese patients with cutaneous MCC. Sun-exposed and sun-unexposed skin swabs were obtained and analyzed for MCPyV loads using quantitative real-time polymerase chain reaction. RESULTS At first, we found a patient with MCC carrying an extremely high load of MCPyV DNA in normal skin. This unique case prompted us to further explore the levels of MCPyV as skin microbiota in patients with MCC. We showed that MCPyV DNA levels were significantly higher in swabs obtained from normal skin samples of six patients with MCC compared with those from 30 age-matched healthy individuals and 19 patients with other cutaneous cancers. Whereas MCPyV strains obtained from the normal skin of patients with MCC had gene sequences without structural alterations, sequences of the tumor-derived strains showed truncating mutations or deletions. CONCLUSIONS Although the number of patients with MCC studied was small, our findings suggest that MCC may occur with a background of high MCPyV load in the skin, and are expected to stimulate further studies on whether such skin virome levels could be one of predictive markers for the development of MCC.
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Affiliation(s)
- Yumiko Hashida
- Department of Microbiology and Infection, Kochi Medical School, Kochi University, Kochi, Japan
| | - Kimiko Nakajima
- Department of Dermatology, Kochi Medical School, Kochi University, Kochi, Japan
| | - Hideki Nakajima
- Department of Dermatology, Kochi Medical School, Kochi University, Kochi, Japan
| | - Takeo Shiga
- Department of Dermatology, Kochi Medical School, Kochi University, Kochi, Japan
| | - Moe Tanaka
- Department of Microbiology and Infection, Kochi Medical School, Kochi University, Kochi, Japan
| | - Masanao Murakami
- Department of Microbiology and Infection, Kochi Medical School, Kochi University, Kochi, Japan
| | - Shigenobu Matsuzaki
- Department of Microbiology and Infection, Kochi Medical School, Kochi University, Kochi, Japan
| | - Seiji Naganuma
- Department of Pathology, Kochi Medical School, Kochi University, Kochi, Japan
| | - Naoki Kuroda
- Department of Pathology, Kochi Red Cross Hospital, Kochi, Japan
| | - Yasutaka Seki
- Department of Molecular Biophysics, Kochi Medical School, Kochi University, Kochi, Japan
| | - Harutaka Katano
- Department of Pathology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Shigetoshi Sano
- Department of Dermatology, Kochi Medical School, Kochi University, Kochi, Japan
| | - Masanori Daibata
- Department of Microbiology and Infection, Kochi Medical School, Kochi University, Kochi, Japan.
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Detection of Merkel Cell Polyomavirus and Human Papillomavirus in Esophageal Squamous Cell Carcinomas and Non-Cancerous Esophageal Samples in Northern Iran. Pathol Oncol Res 2016; 22:667-72. [PMID: 26879397 DOI: 10.1007/s12253-016-0048-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Accepted: 02/08/2016] [Indexed: 10/22/2022]
Abstract
Human papillomavirus (HPV) infection is one of the hypothesized causes of esophageal squamous cell carcinoma (ESCC), but the etiological association remains uncertain. It was postulated that other infectious agents together with HPV may increase the risk of ESCC. The current investigation aimed to explore the presence of a new human tumor virus, Merkel cell polyomavirus (MCPyV), together with HPV in ESCC tumors and non-cancerous esophageal samples in northern Iran. In total, 96 esophageal samples (51 with ESCC, and 45 without esophageal malignancy) were examined. HPV DNA was detected in esophageal specimens of 16 out of the 51 ESCC cases (31.4 %) and 20 out of the 45 non-cancerous samples (44.4 %). Untypable HPV genotypes were recognized in high rates in cancerous (75.0 %) and non-cancerous (55.0 %) esophageal specimens. MCPyV DNA was detected in esophageal specimens of 23 out of the 51 ESCC cases (45.1 %) and 16 out of the 45 non-cancerous samples (35.6 %). The mean MCPyV DNA copy number was 1.0 × 10(-5) ± 2.4 × 10(-5) and 6.0 × 10(-6) ± 1.3 × 10(-5) per cell in ESCC cases and non-cancerous samples, respectively. There was no statistically significant difference between cancerous and non-cancerous samples regarding mean MCPyV DNA load (P = 0.353). A bayesian logistic regression model adjusted to the location of esophageal specimen and MCPyV infection, revealed a significant association between HPV and odds of ESCC (OR, 2.45; 95 % CI: 1.01-6.16). This study provides the evidence of the detection of the MCPyV DNA at a low viral copy number in cancerous and non- cancerous esophageal samples.
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Hashida Y, Kamioka M, Tanaka M, Hosokawa S, Murakami M, Nakajima K, Kikuchi H, Fujieda M, Sano S, Daibata M. Ecology of Merkel Cell Polyomavirus in Healthy Skin Among Individuals in an Asian Cohort. J Infect Dis 2016; 213:1708-16. [DOI: 10.1093/infdis/jiw040] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 01/21/2016] [Indexed: 12/27/2022] Open
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35
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Saláková M, Košlabová E, Vojtěchová Z, Tachezy R, Šroller V. Detection of human polyomaviruses MCPyV, HPyV6, and HPyV7 in malignant and non-malignant tonsillar tissues. J Med Virol 2015; 88:695-702. [PMID: 26381295 DOI: 10.1002/jmv.24385] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/08/2015] [Indexed: 11/06/2022]
Abstract
Merkel cell polyomavirus (MCPyV) is associated with Merkel cell carcinoma (MCC), a rare skin malignancy. Human polyomavirus six and seven (HPyV6 and HPyV7) were identified on a skin but have not been associated with any pathology. The serology data suggest that infection with polyomaviruses occurs in childhood and they are widespread in population. However, the site of persistent infection has not been identified. Altogether, 103 formalin-fixed paraffin-embedded (FFPE) specimens and five fresh frozen tissues (FF) of non-malignant tonsils and 97 FFPE and 15 FF samples of tonsillar carcinomas were analyzed by qPCR for the presence of MCPyV, HPyV6, and HPyV7 DNA. All MCPyV DNA positive FF tissues were screened for the expression of early viral transcripts. Overall prevalence of MCPyV, HPyV6, and HPyV7 in non-malignant tonsillar tissues was 10.2%, 4.6%, and, 0.9%, respectively. The prevalence of MCPyV DNA in non-malignant tonsils increased with age (P < 0.05). While the prevalence of MCPyV DNA was significantly higher in the tumors than non-malignant tissues (35.7% vs. 10.2%) (P < 0.001), the prevalence of HPyV6 DNA (5.4% vs. 4.6%) and HPyV7 DNA (1.8% vs. 0.9%) were comparable. In all MCPyV DNA positive FF tissues early transcripts were detected. MCPyV, HPyV6, and HPyV7 DNAs were found in tonsils, suggesting that the tonsils may be a site of viral latency. The viral load was low indicating that only a fraction of cells are infected. The higher prevalence of MCPyV DNA was detected in tonsillar tumors but there was no difference in the viral load between tumor and healthy tissues.
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Affiliation(s)
- Martina Saláková
- Department of Immunology, Institute of Hematology and Blood Transfusion, Prague, U Nemocnice 1, Czech Republic
| | - Eva Košlabová
- Department of Otorhinolaryngology and Head and Neck Surgery, 1st Faculty of Medicine, Charles University in Prague, Motol University Hospital, Prague, Czech Republic
| | - Zuzana Vojtěchová
- Department of Immunology, Institute of Hematology and Blood Transfusion, Prague, U Nemocnice 1, Czech Republic
| | - Ruth Tachezy
- Department of Immunology, Institute of Hematology and Blood Transfusion, Prague, U Nemocnice 1, Czech Republic
| | - Vojtěch Šroller
- Department of Immunology, Institute of Hematology and Blood Transfusion, Prague, U Nemocnice 1, Czech Republic
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36
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Batinica M, Akgül B, Silling S, Mauch C, Zigrino P. Correlation of Merkel cell polyomavirus positivity with PDGFRα mutations and survivin expression in Merkel cell carcinoma. J Dermatol Sci 2015; 79:43-9. [DOI: 10.1016/j.jdermsci.2015.04.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Revised: 03/26/2015] [Accepted: 04/07/2015] [Indexed: 12/17/2022]
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37
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Banerjee J, Mishra N, Dhas Y. Metagenomics: A new horizon in cancer research. Meta Gene 2015; 5:84-9. [PMID: 26110115 PMCID: PMC4477109 DOI: 10.1016/j.mgene.2015.05.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Revised: 05/21/2015] [Accepted: 05/26/2015] [Indexed: 12/28/2022] Open
Abstract
Metagenomics has broadened the scope of targeting microbes responsible for inducing various types of cancers. About 16.1% of cancers are associated with microbial infection. Metagenomics is an equitable way of identifying and studying micro-organisms within their habitat. In cancer research, this approach has revolutionized the way of identifying, analyzing and targeting the microbial diversity present in the tissue specimens of cancer patients. The genomic analyses of these micro-organisms through next generation sequencing techniques invariably facilitate in recognizing the microbial population in biopsies and their evolutionary relationships with each other. In this review an attempt has been made to generate current metagenomic view on cancer microbiota. Different types of micro-organisms have been found to be linked to various types of cancers, thus, contributing significantly in understanding the disease at molecular level.
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Affiliation(s)
- Joyita Banerjee
- Symbiosis School of Biomedical Sciences, Symbiosis International University, Pune 412115, India
| | - Neetu Mishra
- Symbiosis School of Biomedical Sciences, Symbiosis International University, Pune 412115, India
| | - Yogita Dhas
- Symbiosis School of Biomedical Sciences, Symbiosis International University, Pune 412115, India
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Santos-Juanes J, Fernández-Vega I, Fuentes N, Galache C, Coto-Segura P, Vivanco B, Astudillo A, Martínez-Camblor P. Merkel cell carcinoma and Merkel cell polyomavirus: a systematic review and meta-analysis. Br J Dermatol 2015; 173:42-9. [PMID: 25919492 DOI: 10.1111/bjd.13870] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/28/2014] [Indexed: 12/15/2022]
Abstract
Several observational studies have assessed the correlation between Merkel cell carcinoma and Merkel cell polyomavirus with variable results. The objective of this systematic review was to determine whether there is a correlation between Merkel cell carcinoma and Merkel cell polyomavirus. Studies assessing the relationship between Merkel cell carcinoma and Merkel cell polyomavirus from January 2008 to August 2014 were pooled from Medline, Embase, PubMed, Cochrane Database of Systemic Reviews and Google Scholar. From each study we collected the first author's last name, publication year, country of origin, type of study design, characteristics of participants, possible variables incorporated into the multivariable analyses and the risk ratio (RR) for Merkel cell carcinoma associated with Merkel cell polyomavirus combined with the corresponding 95% confidence interval (CI). Methodological assessment of the study was evaluated using the Newcastle-Ottawa scale. Crude RR was calculated from the data provided in each article. Meta-analyses for the global RR and for the proportion of positives in both case and control samples were performed. In addition, in order to explore the sources of heterogeneity among the studies, meta-regression and sensitivity analyses are also provided. A total of 22 studies were identified for the analysis. The pooled RR from random-effects analysis was determined to be 6.32 (95% CI, 4.02-9.93). Global proportions of positive samples were 0.79 (95% CI, 0.72-0.84) and 0.12 (95% CI, 0.08-0.19) in the case and control groups, respectively. The findings support the association between Merkel cell carcinoma and Merkel cell polyomavirus. However, a non-negligible percentage of positive results have been identified in controls. Some caution must be taken in the interpretation of these results because heterogeneity between studies was found.
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Affiliation(s)
- J Santos-Juanes
- Pathology Department, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - I Fernández-Vega
- Pathology Department, Hospital Universitario Araba, Álava, Spain
| | - N Fuentes
- Pathology Department, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - C Galache
- Departamento de Radiodiagnóstico, Hospital Clinico Universitario Lozano Blesa, Zaragoza, Spain
| | - P Coto-Segura
- Dermatology II, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - B Vivanco
- Pathology Department, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - A Astudillo
- Pathology Department, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - P Martínez-Camblor
- Oficina de Investigación Biosanitaria de Asturias (OIB-FICYT), Hospital Universitario Central de Asturias, Oviedo, Spain.,Universidad Autónoma de Chile, Santiago, Chile
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Interaction of human tumor viruses with host cell surface receptors and cell entry. Viruses 2015; 7:2592-617. [PMID: 26008702 PMCID: PMC4452921 DOI: 10.3390/v7052592] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Accepted: 05/12/2015] [Indexed: 02/06/2023] Open
Abstract
Currently, seven viruses, namely Epstein-Barr virus (EBV), Kaposi's sarcoma-associated herpes virus (KSHV), high-risk human papillomaviruses (HPVs), Merkel cell polyomavirus (MCPyV), hepatitis B virus (HBV), hepatitis C virus (HCV) and human T cell lymphotropic virus type 1 (HTLV-1), have been described to be consistently associated with different types of human cancer. These oncogenic viruses belong to distinct viral families, display diverse cell tropism and cause different malignancies. A key to their pathogenicity is attachment to the host cell and entry in order to replicate and complete their life cycle. Interaction with the host cell during viral entry is characterized by a sequence of events, involving viral envelope and/or capsid molecules as well as cellular entry factors that are critical in target cell recognition, thereby determining cell tropism. Most oncogenic viruses initially attach to cell surface heparan sulfate proteoglycans, followed by conformational change and transfer of the viral particle to secondary high-affinity cell- and virus-specific receptors. This review summarizes the current knowledge of the host cell surface factors and molecular mechanisms underlying oncogenic virus binding and uptake by their cognate host cell(s) with the aim to provide a concise overview of potential target molecules for prevention and/or treatment of oncogenic virus infection.
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40
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Merkel cell polyomavirus and human papillomavirus infections in cervical disease in Iranian women. Arch Virol 2015; 160:1181-7. [PMID: 25721299 DOI: 10.1007/s00705-015-2368-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Accepted: 02/10/2015] [Indexed: 01/01/2023]
Abstract
Human papillomavirus (HPV) infection is a necessary cause of cervical neoplasia. Concomitant infection with other infectious agents has been demonstrated to be a cofactor for HPV-related cervical carcinogenesis. The present investigation aimed to determine the prevalence of HPV and Merkel cell polyomavirus (MCPyV) infections and to evaluate the role of MCPyV as a co-factor for HPV-related cervical carcinogenesis in Iranian women. From 2011 to 2013, a total of 112 cervical samples were examined. Forty-five samples (40.2 %) were positive for HPV. MCPyV was found in 37 samples (33 %). Both HPV and MCPyV were present in 14 samples (12.5 %). MCPyV was seen in 30 % of squamous cell carcinomas, 37.5 % of adenocarcinomas, and 16.7 % of undifferentiated carcinomas. The MCPyV large T antigen (LT-Ag) DNA load was determined as the viral copy number per cell. The median MCPyV LT-Ag copy number in positive women was 0.049 × 10(-3) per cell (range 0.0006 × 10(-3)-4.558 × 10(-3) copies per cell). In comparison with other types of cervical cancer, the MCPyV LT-Ag load was higher in adenocarcinomas (0.1024 × 10(-3) copies per cell). A logistic regression model adjusted to HPV positivity and age revealed no statistically significant association between MCPyV infection and cervical cancer (OR, 1.12; 95 % CI, 0.07-16.83). More studies should be conducted to clarify the role of MCPyV in cervical carcinogenesis.
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Foulongne V. [The human virome]. ACTA ACUST UNITED AC 2015; 2015:59-65. [PMID: 32288819 PMCID: PMC7140283 DOI: 10.1016/s1773-035x(15)72822-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Accepted: 09/23/2014] [Indexed: 11/17/2022]
Abstract
The human virome is the collection of viruses found in human, including viruses that infect eucaryotic cells, bacteriophages and virus-derived genetic elements in host chromosomes that can influence host-genes expression. Most of the recent knowledges regarding the human virome were driven by advances in high-throughput, deep sequencing approaches. Thanks to these new technologies, many new human viruses were described with, furthermore, the evidence of the presence of a resident viral community in most human tissus. This new concept will have profound implications for understanding the biological role of viruses in the human body.
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Affiliation(s)
- Vincent Foulongne
- Pôle Biologie et pathologie, Unité de virologie, Centre hospitalier universitaire de Montpellier, Hôpital Saint-Eloi, Université de Montpellier I - INSERM U1058, 34295 Montpellier cedex 5
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Leroux-Kozal V, Lévêque N, Brodard V, Lesage C, Dudez O, Makeieff M, Kanagaratnam L, Diebold MD. Merkel cell carcinoma: histopathologic and prognostic features according to the immunohistochemical expression of Merkel cell polyomavirus large T antigen correlated with viral load. Hum Pathol 2014; 46:443-53. [PMID: 25623078 DOI: 10.1016/j.humpath.2014.12.001] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Revised: 11/29/2014] [Accepted: 12/03/2014] [Indexed: 12/19/2022]
Abstract
Merkel cell carcinoma (MCC) is a neuroendocrine skin malignancy frequently associated with Merkel cell polyomavirus (MCPyV), which is suspected to be oncogenic. In a series of MCC patients, we compared clinical, histopathologic, and prognostic features according to the expression of viral large T antigen (LTA) correlated with viral load. We evaluated the LTA expression by immunohistochemistry using CM2B4 antibody and quantified viral load by real-time polymerase chain reaction. We analyzed formalin-fixed, paraffin-embedded (FFPE) tissue samples (n = 36) and corresponding fresh-frozen biopsies when available (n = 12), of the primary tumor and/or metastasis from 24 patients. MCPyV was detected in 88% and 58% of MCC patients by real-time polymerase chain reaction and immunohistochemistry, respectively. The relevance of viral load measurements was demonstrated by the strong consistency of viral load level between FFPE and corresponding frozen tissues as well as between primary tumor and metastases. From FFPE samples, 2 MCC subgroups were distinguished based on a viral load threshold defined by the positivity of CM2B4 immunostaining. In the LTA-negative subgroup with no or low viral load (nonsignificant), tumor cells showed more anisokaryosis (P = .01), and a solar elastosis around the tumor was more frequently observed (P = .03). LTA-positive MCCs with significant viral load had a lower proliferation index (P = .03) and a longer survival of corresponding patients (P = .008). Depending on MCPyV involvement, 2 MCC subgroups can be distinguished on histopathologic criteria, and the CM2B4 antibody is able to differentiate them reliably. Furthermore, the presence of a significant viral load in tumors is predictive of better prognosis.
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Affiliation(s)
- Valérie Leroux-Kozal
- Department of Pathology, Faculty of Medicine, Robert Debré University Hospital, 51092 Reims, France.
| | - Nicolas Lévêque
- Clinical and Molecular Virology Unit, University Hospital, 51092 Reims, France; Faculty of Medicine, EA-4684 Cardiovir SFR-CAP Santé, 51092 Reims, France
| | - Véronique Brodard
- Clinical and Molecular Virology Unit, University Hospital, 51092 Reims, France
| | - Candice Lesage
- Department of Dermatology, Robert Debré University Hospital, 51092 Reims, France
| | - Oriane Dudez
- Department of Pathology, Faculty of Medicine, Robert Debré University Hospital, 51092 Reims, France
| | - Marc Makeieff
- Department of Otolaryngology-Head and Neck Surgery, Robert Debré University Hospital, 51092 Reims, France
| | - Lukshe Kanagaratnam
- Department of Research and Innovation, Robert Debré University Hospital, 51092 Reims, France
| | - Marie-Danièle Diebold
- Department of Pathology, Faculty of Medicine, Robert Debré University Hospital, 51092 Reims, France
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Schrama D, Groesser L, Ugurel S, Hafner C, Pastrana DV, Buck CB, Cerroni L, Theiler A, Becker JC. Presence of human polyomavirus 6 in mutation-specific BRAF inhibitor-induced epithelial proliferations. JAMA Dermatol 2014; 150:1180-6. [PMID: 24943872 PMCID: PMC8369517 DOI: 10.1001/jamadermatol.2014.1116] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
IMPORTANCE A frequent adverse effect of mutation-specific BRAF inhibitor therapy is the induction of epithelial proliferations including cutaneous squamous cell carcinomas. To date, the only factor identified contributing to their development is the activation of the mitogen-activated signal transduction cascade by mutations in the RAS genes. However, these mutations explain only 60% of the tumors; hence, it is important to identify what is causing the remaining tumors. OBJECTIVE To test for the presence of human papillomaviruses (HPVs) and the recently identified human polyomaviruses (HPyVs), Merkel cell polyomavirus (MCPyV), and trichodysplasia spinulosa-associated polyomavirus (TSPyV), as well as HPyV-6, HPyV-7, HPyV-9, and HPyV-10, in epithelial proliferations occurring after BRAF inhibitor therapy to determine whether these oncogenic viruses may contribute to BRAF inhibitor-induced skin tumors. DESIGN, SETTING, AND PARTICIPANTS Retrospective study at a university hospital in Austria of epithelial proliferations that developed in patients with melanoma after initiation of treatment with the BRAF inhibitor vemurafenib. Samples were analyzed for (1) presence of the most frequently observed RAS mutations by SNaPshot technology, (2) detection of the viruses by real-time polymerase chain reaction, and (3) presence of capsid proteins of the most abundantly detected virus by immunohistochemical analysis. MAIN OUTCOMES AND MEASURES RAS mutational status, as well as HPV and HPyV presence, in BRAF inhibitor-induced epithelial proliferations. RESULTS Eighteen biopsy samples from 6 patients were retrieved from our hospital's archive. We identified RAS mutations in 10 (62%) of the 16 samples with clear results. DNA of HPyV-9, HPyV-10, and TSPyV were virtually absent in the samples. MCPyV DNA was present in 13 of 18 samples, and HPV, HPyV-6, and HPyV-7 DNA were present in all samples. In general, the amount of DNA encoding the latter viruses was rather low, with the exception of HPyV-6 in several samples of 1 individual patient. Notably, the relevance of the presence of HPyV-6 in the epithelial proliferation was underlined by immunohistochemical detection of the core protein VP1 of HPyV-6. CONCLUSIONS AND RELEVANCE The presence of both high HPyV-6 DNA load and VP1 protein suggests that polyomaviruses may contribute to the epithelial proliferations observed in patients receiving BRAF inhibitor therapy, albeit the relative impact as compared with that of RAS mutations appears circumstantial.
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Affiliation(s)
- David Schrama
- Department of Dermatology, Medical University of Graz, Graz, Austria2Department of Dermatology, University Hospital Würzburg, Würzburg, Germany
| | - Leopold Groesser
- Department of Dermatology, University Hospital Regensburg, Regensburg, Germany
| | - Selma Ugurel
- Department of Dermatology, University Hospital Würzburg, Würzburg, Germany
| | - Christian Hafner
- Department of Dermatology, University Hospital Regensburg, Regensburg, Germany
| | - Diana V Pastrana
- Laboratory of Cellular Oncology, National Cancer Institute, Bethesda, Maryland
| | - Christopher B Buck
- Laboratory of Cellular Oncology, National Cancer Institute, Bethesda, Maryland
| | - Lorenzo Cerroni
- Department of Dermatology, Medical University of Graz, Graz, Austria
| | - Anna Theiler
- Department of Dermatology, Medical University of Graz, Graz, Austria
| | - Jürgen C Becker
- Department of Dermatology, Medical University of Graz, Graz, Austria
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Peretti A, Borgogna C, Rossi D, De Paoli L, Bawadekar M, Zavattaro E, Boldorini R, De Andrea M, Gaidano G, Gariglio M. Analysis of human β-papillomavirus and Merkel cell polyomavirus infection in skin lesions and eyebrow hair bulbs from a cohort of patients with chronic lymphocytic leukaemia. Br J Dermatol 2014; 171:1525-8. [PMID: 24976446 DOI: 10.1111/bjd.13215] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/18/2014] [Indexed: 12/27/2022]
Abstract
BACKGROUND Research demonstrates an increased incidence of skin cancer in immunocompromised hosts, including patients with chronic lymphocytic leukaemia (CLL) and organ transplant recipients (OTRs). Active human β-papillomavirus (β-HPV) infection has been found in OTR skin lesions, suggesting its possible involvement in skin carcinogenesis. Merkel cell polyomavirus (MCPyV) has also been reported in cases of skin cancer. OBJECTIVES To investigate the potential correlations between patient clinical features and skin cancer development, and the presence of β-HPV and MCPyV DNA and protein markers in skin lesions and hair bulbs from patients with CLL. METHODS The clinical features of 293 patients with CLL were analysed according to the presence or absence of skin lesions. β-HPV and MCPyV infection was investigated in skin lesions and hair bulbs from the study cohort by both polymerase chain reaction (PCR) analysis and immunohistochemical screening. RESULTS No significant correlations were observed between any of the analysed haematological parameters and the development of skin cancer. PCR analysis revealed the presence of β-HPV and MCPyV DNA in skin lesions, and 83% of positivity for MCPyV DNA in hair bulbs, while systematic immunohistochemical analysis of all the lesions failed to detect any expression of the viral proteins β-HPV E4, L1 or MCPyV LTAg. CONCLUSIONS Overall, the data indicate that carriage of β-HPV and MCPyV in the lesional skin and hair bulbs from patients with CLL without any evident reactivation at skin tumour sites most likely represents coincidental rather than causal infection. This contrasts with previous findings in relation to OTR-derived skin lesions.
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Affiliation(s)
- A Peretti
- Virology Unit, Department of Translational Medicine, Novara Medical School, via Solaroli 17, 28100, Novara, Italy
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Fisher CA, Harms PW, McHugh JB, Edwards PC, Siddiqui J, Palanisamy N, Bichakjian CK, Benavides E, Danciu TE. Small cell carcinoma in the parotid harboring Merkel cell polyomavirus. Oral Surg Oral Med Oral Pathol Oral Radiol 2014; 118:703-12. [PMID: 25457888 DOI: 10.1016/j.oooo.2014.09.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Revised: 09/08/2014] [Accepted: 09/10/2014] [Indexed: 12/14/2022]
Abstract
OBJECTIVE This study aimed to document three new cases of primary small cell carcinoma (SmCC) of the parotid and examine immunohistochemical and quantitative real-time polymerase chain reaction (qPCR) data of the recently developed Merkel cell polyomavirus (MCPyV) within these tumors. STUDY DESIGN Immunohistochemistry for neuroendocrine markers (chromogranin A, CD56, CD57, neuron-specific enolase [NSE], thyroid transcription factor 1 [TTF-1]), epithelial markers (CK20, CK7, CAM 5.2), and MCPyV large T antigen (LTAg) were examined. qPCR and Sanger sequencing were performed to confirm the presence of the MCPyV LTAg gene. RESULTS Two males and one female, average age 76 years, presented with left parotid masses. Clinical examinations, histories, and imaging studies were negative for cutaneous Merkel cell carcinoma (MCC), pulmonary and extrapulmonary SmCC, or any other malignancy. Immunohistochemical analysis demonstrated positive immunoreactivity for CK20 in a perinuclear dotlike pattern (3/3), CAM 5.2 (3/3), (2/3), NSE (3/3), CD56 (2/3), and CD57 (3/3). Two cases stained positive for MCPyV, showing moderate to strong, diffuse positivity, confirmed with qPCR. PCR-Sanger sequencing of LTAg exon 2 showed greater than 97% similarity to the MCPyV reference genome in both cases. CONCLUSION Our findings expand the number of reported cases classified as primary parotid SmCC that harbors MCPyV and underscore the similarity between cutaneous MCC and parotid SmCC. Further investigation is needed to determine whether immune-based therapeutic strategies targeting MCPyV in MCC are also effective in the setting of parotid SmCC harboring MCPyV.
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Affiliation(s)
| | - Paul W Harms
- Department of Pathology, University of Michigan Health System, Ann Arbor, MI; Michigan Center for Translational Pathology, University of Michigan Health System, Ann Arbor, MI
| | - Jonathan B McHugh
- Department of Pathology, University of Michigan Health System, Ann Arbor, MI
| | - Paul C Edwards
- School of Dentistry, Indiana University, Indianapolis, IN
| | - Javed Siddiqui
- Michigan Center for Translational Pathology, University of Michigan Health System, Ann Arbor, MI
| | - Nallasivam Palanisamy
- Michigan Center for Translational Pathology, University of Michigan Health System, Ann Arbor, MI
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Martín R, Miquel S, Langella P, Bermúdez-Humarán LG. The role of metagenomics in understanding the human microbiome in health and disease. Virulence 2014; 5:413-23. [PMID: 24429972 DOI: 10.4161/viru.27864] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The term microbiome refers to the genetic material of the catalog of microbial taxa associated with humans. As in all ecosystems, the microbiota reaches a dynamic equilibrium in the human body, which can be altered by environmental factors and external stimuli. Metagenomics is a relatively new field of study of microbial genomes within diverse environmental samples, which is of increasing importance in microbiology. The introduction of this ecological perception of microbiology is the key to achieving real knowledge about the influence of the microbiota in human health and disease. The aim of this review is to summarize the link between the human microbiota (focusing on the intestinal, vaginal, skin, and airway body sites) and health from this ecological point of view, highlighting the contribution of metagenomics in the advance of this field.
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Affiliation(s)
- Rebeca Martín
- INRA; UMR1319 Micalis; Jouy-en-Josas, France; AgroParisTech; UMR Micalis; Jouy-en-Josas, France
| | - Sylvie Miquel
- INRA; UMR1319 Micalis; Jouy-en-Josas, France; AgroParisTech; UMR Micalis; Jouy-en-Josas, France
| | - Philippe Langella
- INRA; UMR1319 Micalis; Jouy-en-Josas, France; AgroParisTech; UMR Micalis; Jouy-en-Josas, France
| | - Luis G Bermúdez-Humarán
- INRA; UMR1319 Micalis; Jouy-en-Josas, France; AgroParisTech; UMR Micalis; Jouy-en-Josas, France
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47
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Different serologic behavior of MCPyV, TSPyV, HPyV6, HPyV7 and HPyV9 polyomaviruses found on the skin. PLoS One 2013; 8:e81078. [PMID: 24278381 PMCID: PMC3836759 DOI: 10.1371/journal.pone.0081078] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Accepted: 10/08/2013] [Indexed: 12/31/2022] Open
Abstract
The polyomavirus family is rapidly expanding with twelve new human viruses identified since 2007. A significant number of the new human polyomaviruses (HPyV) has been found on the skin. Whether these viruses share biological properties and should be grouped together is unknown. Here we investigated the serological behavior of cutaneous HPyVs in a general population. 799 sera from immunocompetent Australian individuals aged between 0-87 were analyzed with a Luminex xMAP technology-based immunoassay for the presence of VP1-directed IgG antibodies against MCPyV, HPyV6, HPyV7, TSPyV, HPyV9, and BKPyV as a control. Except for HPyV9, overall seropositivity was high for the cutanous polyomaviruses (66-81% in adults), and gradually increased with age. Children below 6 months displayed seropositivity rates comparable to the adults, indicative of maternal antibodies. TSPyV seroreactivity levels strongly increased after age 2 and waned later in life comparable to BKPyV, whereas MCPyV, HPyV6 and HPyV7 seroreactivity remained rather stable throughout. Based on the identified serologic profiles, MCPyV seems to cluster with HPyV6 and HPyV7, and TSPyV and HPyV9 by themselves. These profiles indicate heterogeneity among cutaneous polyomaviruses and probably reflect differences in exposure and pathogenic behavior of these viruses.
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Leitz M, Stieler K, Grundhoff A, Moll I, Brandner JM, Fischer N. Merkel cell polyomavirus detection in Merkel cell cancer tumors in Northern Germany using PCR and protein expression. J Med Virol 2013; 86:1813-9. [PMID: 24307009 DOI: 10.1002/jmv.23808] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/03/2013] [Indexed: 12/21/2022]
Abstract
Merkel cell carcinoma is a highly malignant skin cancer which predominantly occurs in elderly and immunocompromised persons. The identification of the Merkel cell polyomavirus (MCPyV) has inaugurated a new understanding of Merkel cell carcinoma pathogenesis. The frequent detection of the virus in Merkel cell carcinoma tissue (70-90%), its monoclonal integration in the tumor cells and the expression of viral oncogenes highly suggest that MCPyV is causally linked to the pathogenesis of the majority of Merkel cell cancer (MCC) cases. Using qualitative and quantitative PCR together with immunohistochemical staining this study aimed at characterizing the presence of MCPyV sequences and viral early gene expression in a cohort of MCC cases (n = 32) selected in Northern Germany. 40-57% of the cases were identified as MCPyV positive with 40.6% of the cases positive by immunohistochemical staining and 51.6-57.6% positive by PCR. Interestingly, in the majority (64%) of LT-Antigen positive tumors only 25-50% of tumor cells express LT-Antigen. These data are in accord with published studies describing heterogeneity in MCPyV viral loads and suggest that detection of MCPyV in Merkel cell carcinoma by PCR should be undertaken using multiple primer pairs.
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Affiliation(s)
- Miriam Leitz
- Institute for Microbiology and Virology, University Medical Center Eppendorf, Hamburg, Germany
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Maximova N, Granzotto M, Kiren V, Zanon D, Comar M. First description of Merkel Cell polyomavirus DNA detection in a patient with Stevens-Johnson syndrome. J Med Virol 2013; 85:918-23. [PMID: 23508917 DOI: 10.1002/jmv.23550] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2013] [Indexed: 11/10/2022]
Abstract
Merkel Cell polyomavirus (MCPyV), a ubiquitous DNA tumor virus, has been found to be associated with Merkel cell carcinoma and chronic lymphocytic leukaemia while other associations are still being explored. MCPyV sequences have also been detected in normal tissues of tumor patients and in the blood of healthy donors. This report documents a new MCPyV association with the Stevens-Johnson syndrome, a rare immune-modulated mucocutaneous process particularly associated with specific drugs and infective agents. A high MCPyV viral load was detected simultaneously in fluid from skin lesions (2.0 × 10(4) copies/ml) and in matched blood (7.4 × 10(5) copies/ml) from a young adult patient after bone marrow transplant for a relapsed T-cell acute lymphatic leukaemia. MCPyV clearance concurred with the complete resolution of skin lesions after 5 days of cidofovir treatment. DNA sequencing classified the amplicons as the European/Italian MKL-1 strain. Given its ubiquitous nature, MCPyV could account for part of Stevens-Johnson syndrome idiopathic cases.
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Affiliation(s)
- Natalia Maximova
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, University of Trieste, 34137 Trieste, Italy
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50
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Donà MG, Paolini F, Benevolo M, Vocaturo A, Latini A, Giglio A, Venuti A, Giuliani M. Identification of episomal human papillomavirus and other DNA viruses in cytological anal samples of HIV-uninfected men who have sex with men. PLoS One 2013; 8:e72228. [PMID: 23951299 PMCID: PMC3741190 DOI: 10.1371/journal.pone.0072228] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2013] [Accepted: 07/08/2013] [Indexed: 12/16/2022] Open
Abstract
To date, there have been only few studies that investigated integration of anal Human Papillomavirus (HPV). Most of them were conducted on HIV-infected individuals and mainly analyzed samples from high-grade lesions and invasive cancer. We aimed to investigate HPV physical status in HIV-negative men who have sex with men (MSM) with a detectable anal HPV infection, irrespective of the presence of lesions. We also sought to explore the presence of other circular DNA viruses in the anal region. Study participants were attendees of an STI screening program, which were also screened for anal HPV infection and cytological abnormalities. HPV physical status was assessed using multiply-primed RCA. HPV16-positive samples were also analyzed using E2/E6 multiplex PCR, qRT-PCR and APOT assay. RCA and virus-specific PCR were employed to investigate the presence of other DNA viruses. Anal HPV infection was detected in 76.9% of the 230 MSM enrolled. The anal cytological reports were: 129 NILM, 37 ASC-US and 28 L-SIL (36 samples were inadequate for interpretation). HPV physical status was evaluated in the 109 anal specimens that harbored one or two different HPV genotypes. Integration was observed only in one HPV16-positive sample (0.9%), in which integrate-derived viral transcripts of type B were detected. Integration occurred in chromosome 14 q. In 22 of the 53 (41.5%) mucosal HPV-negative samples, RCA restriction results would seem to indicate the presence of circular DNA viruses. Indeed, cutaneous HPV (4 samples), MCPyV (5 samples) and TTV (4 samples) were detected. In conclusion, anal HPV integration was rarely evidenced in HIV-uninfected MSM with no or mild anal cytological abnormalities, although the integration rate may have been underestimated because of the limitations of the employed assays. Other DNA viruses were detected in the anal samples of these individuals, although the significance of this occurrence needs to be assessed.
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Affiliation(s)
- Maria Gabriella Donà
- Sexually Transmitted Infection (STI) Unit, San Gallicano Dermatological Institute, Rome, Italy
| | - Francesca Paolini
- Virology Laboratory and HPV Unit, Regina Elena National Cancer Institute, Rome, Italy
| | - Maria Benevolo
- Pathology Department, Regina Elena National Cancer Institute, Rome, Italy
| | - Amina Vocaturo
- Pathology Department, Regina Elena National Cancer Institute, Rome, Italy
| | - Alessandra Latini
- Sexually Transmitted Infection (STI) Unit, San Gallicano Dermatological Institute, Rome, Italy
| | - Amalia Giglio
- Microbiology and Clinical Pathology Department, San Gallicano Dermatological Institute, Rome, Italy
| | - Aldo Venuti
- Virology Laboratory and HPV Unit, Regina Elena National Cancer Institute, Rome, Italy
- * E-mail:
| | - Massimo Giuliani
- Sexually Transmitted Infection (STI) Unit, San Gallicano Dermatological Institute, Rome, Italy
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