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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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Parra LM, Sartori BGC, Fernandes DR, Fachin LRV, Nogueira MRS, Belone AFF, Nunes AJF, Souza-Santana FC. HLA-G expression in Merkel cell carcinoma and the correlation with Merkel cell polyomavirus infection. Immunogenetics 2023; 75:81-89. [PMID: 36229691 DOI: 10.1007/s00251-022-01279-0] [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: 06/28/2022] [Accepted: 09/30/2022] [Indexed: 11/05/2022]
Abstract
Merkel cell carcinoma (MCC) is a rare aggressive neuroendocrine cutaneous carcinoma with a high mortality rate. The MCC etiology is not fully understood. Merkel cell-associated polyomavirus (MCPyV) was found in MCC patients, indicating a risk factor for the tumor. Caucasian, elderly, and immunocompromised individuals are more likely to develop this tumor. HLA-G consists of a non-classical class I (Ib) HLA molecule with an immunoregulatory function and was associated with tumor escape in different types of tumors, nonetheless, never been studied in MCC. The purpose of this study was to evaluate the HLA-G expression and also to detect the MCPyV in MCC patients and correlate it with the clinical course of the disease. Forty-five MCC patients were included in a retrospective study. Formalin-fixed paraffin-embedded cutaneous skin biopsies were used by immunohistochemistry and RT-PCR to verify the HLA-G expression and MCPyV infection. HLA-G expression was found in 7 (15.6%), while the presence of MCPyV was detected in 28 (62.2%) of the studied patients. No significant association was found between HLA-G expression and MCPyV infection (p = 0.250). The presence of MCPyV was associated with areas of low sunlight exposure (p = 0.042) and the HLA-G expression with progression to death (p = 0.038). HLA-G expression was detected in MCC patients, as well as the MCPyV presence was confirmed. These markers could represent factors with a possible impact on patient survival; however, further studies with a greater number of patients are needed, to better elucidate the possible role in disease progression.
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Affiliation(s)
- L M Parra
- Clinical Laboratory, Amaral Carvalho Hospital-Jaú, Dona Silvéria, 150 - Chácara Braz Miraglia, São Paulo, 17210-070, Brazil.
| | - B G C Sartori
- Molecular Biology Laboratory, Lauro de Souza Lima Institute, Bauru, São Paulo, Brazil
| | - D R Fernandes
- Pathological Anatomy Laboratory, Lauro de Souza Lima Institute, Bauru, São Paulo, Brazil
| | - L R V Fachin
- Molecular Biology Laboratory, Lauro de Souza Lima Institute, Bauru, São Paulo, Brazil
| | - M R S Nogueira
- Biology Laboratory, Lauro de Souza Lima Institute, Bauru, São Paulo, Brazil
| | - A F F Belone
- Pathological Anatomy Laboratory, Lauro de Souza Lima Institute, Bauru, São Paulo, Brazil
| | - A J F Nunes
- Pathological Anatomy Laboratory, Lauro de Souza Lima Institute, Bauru, São Paulo, Brazil
- Pathological Anatomy Department, Amaral Carvalho Hospital, Jaú, São Paulo, Brazil
| | - F C Souza-Santana
- Immunology Laboratory, Lauro de Souza Lima Institute, Bauru, São Paulo, Brazil
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Lučiūnaitė A, Dalgėdienė I, Vasiliūnaitė E, Norkienė M, Kučinskaitė-Kodzė I, Žvirblienė A, Gedvilaitė A. Immunogenic Properties and Antigenic Similarity of Virus-like Particles Derived from Human Polyomaviruses. Int J Mol Sci 2023; 24:ijms24054907. [PMID: 36902338 PMCID: PMC10003412 DOI: 10.3390/ijms24054907] [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: 02/07/2023] [Revised: 02/24/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
Polyomaviruses (PyVs) are highly prevalent in humans and animals. PyVs cause mild illness, however, they can also elicit severe diseases. Some PyVs are potentially zoonotic, such as simian virus 40 (SV40). However, data are still lacking about their biology, infectivity, and host interaction with different PyVs. We investigated the immunogenic properties of virus-like particles (VLPs) derived from viral protein 1 (VP1) of human PyVs. We immunised mice with recombinant HPyV VP1 VLPs mimicking the structure of viruses and compared their immunogenicity and cross-reactivity of antisera using a broad spectrum of VP1 VLPs derived from the PyVs of humans and animals. We demonstrated a strong immunogenicity of studied VLPs and a high degree of antigenic similarity between VP1 VLPs of different PyVs. PyV-specific monoclonal antibodies were generated and applied for investigation of VLPs phagocytosis. This study demonstrated that HPyV VLPs are highly immunogenic and interact with phagocytes. Data on the cross-reactivity of VP1 VLP-specific antisera revealed antigenic similarities among VP1 VLPs of particular human and animal PyVs and suggested possible cross-immunity. As the VP1 capsid protein is the major viral antigen involved in virus-host interaction, an approach based on the use of recombinant VLPs is relevant for studying PyV biology regarding PyV interaction with the host immune system.
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Quantification of human polyomaviruses MCPyV and HPyV6 in malignant and non-malignant skin lesions. An Bras Dermatol 2023; 98:198-201. [PMID: 36635157 PMCID: PMC9984872 DOI: 10.1016/j.abd.2022.02.006] [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: 01/17/2022] [Accepted: 02/10/2022] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Human Polyomaviruses such as MCPyV and HPyV6 are frequently found as part of healthy skin microbiota and have been associated with Merkel cell carcinoma (MCC), pruritic and dyskeratotic dermatoses, respectively. Their presence in other types of skin conditions varies greatly depending on lesion type and population. OBJECTIVE To analyse comparatively the presence of MCPyV and HPyV6 in nonmelanoma skin cancers and healthy skin. METHODS The authors utilized qPCR techniques to quantify these pathogens in NMSC, premalignant diseases, and healthy skin of 87 patients. RESULTS MCPyV was detected in over 40% of samples, while HPyV6 was in 9.6%. MCPyV load was higher in squamous cell carcinomas (SCC) compared to basal cell carcinomas (BCC) (p=0.016) and HPyV6 showed a higher percentage of infected cells in areas of low solar exposure as well as normal skin (p=0.012). A fair agreement (kappa=0.301) was found between MCPyV detection in lesions and their respective perilesional skin, indicating a random process of local dissemination of the virus. STUDY LIMITATIONS The lack of a larger sampling of different lesion types and protein expression analyses limits the correlation findings. CONCLUSION This is the first report of HPyV6 detection in the healthy skin of a Brazilian population, but the role of both polyomaviruses in NMSC has yet to be demonstrated.
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Ursu RG, Damian C, Porumb-Andrese E, Ghetu N, Cobzaru RG, Lunca C, Ripa C, Costin D, Jelihovschi I, Petrariu FD, Iancu LS. Merkel Cell Polyoma Virus and Cutaneous Human Papillomavirus Types in Skin Cancers: Optimal Detection Assays, Pathogenic Mechanisms, and Therapeutic Vaccination. Pathogens 2022; 11:pathogens11040479. [PMID: 35456154 PMCID: PMC9032856 DOI: 10.3390/pathogens11040479] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 04/14/2022] [Accepted: 04/15/2022] [Indexed: 02/06/2023] Open
Abstract
Oncogenic viruses are recognized to be involved in some cancers, based on very well-established criteria of carcinogenicity. For cervical cancer and liver cancer, the responsible viruses are well-known (e.g., HPV, HBV); in the case of skin cancer, there are still many studies which are trying to identify the possible viral etiologic agents as principal co-factors in the oncogenic process. We analysed scientific literature published in the last 5 years regarding mechanisms of carcinogenicity, methods of detection, available targeted therapy, and vaccination for Merkel cell polyomavirus, and beta human papillomavirus types, in relation to skin cancer. This review is targeted at presenting the recent findings which support the involvement of these viruses in the development of some types of skin cancers. In order to optimize the management of skin cancer, a health condition of very high importance, it would be ideal that the screening of skin cancer for these two analysed viruses (MCPyV and beta HPV types) to be implemented in each region's/country's cancer centres' molecular detection diagnostic platforms, with multiplex viral capability, optimal sensitivity, and specificity; clinically validated, and if possible, at acceptable costs. For confirmatory diagnosis of skin cancer, another method should be used, with a different principle, such as immunohistochemistry, with specific antibodies for each virus.
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Affiliation(s)
- Ramona Gabriela Ursu
- Department of Preventive Medicine and Interdisciplinarity (IX)—Microbiology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (R.G.U.); (C.D.); (R.G.C.); (C.L.); (C.R.); (D.C.); (I.J.); (F.D.P.); (L.S.I.)
| | - Costin Damian
- Department of Preventive Medicine and Interdisciplinarity (IX)—Microbiology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (R.G.U.); (C.D.); (R.G.C.); (C.L.); (C.R.); (D.C.); (I.J.); (F.D.P.); (L.S.I.)
| | - Elena Porumb-Andrese
- Department of Medical Specialties (III)—Dermatology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania;
| | - Nicolae Ghetu
- Department of Plastic Surgery, Regional Oncology Institute, 700483 Iasi, Romania
- Correspondence:
| | - Roxana Gabriela Cobzaru
- Department of Preventive Medicine and Interdisciplinarity (IX)—Microbiology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (R.G.U.); (C.D.); (R.G.C.); (C.L.); (C.R.); (D.C.); (I.J.); (F.D.P.); (L.S.I.)
| | - Catalina Lunca
- Department of Preventive Medicine and Interdisciplinarity (IX)—Microbiology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (R.G.U.); (C.D.); (R.G.C.); (C.L.); (C.R.); (D.C.); (I.J.); (F.D.P.); (L.S.I.)
| | - Carmen Ripa
- Department of Preventive Medicine and Interdisciplinarity (IX)—Microbiology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (R.G.U.); (C.D.); (R.G.C.); (C.L.); (C.R.); (D.C.); (I.J.); (F.D.P.); (L.S.I.)
| | - Diana Costin
- Department of Preventive Medicine and Interdisciplinarity (IX)—Microbiology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (R.G.U.); (C.D.); (R.G.C.); (C.L.); (C.R.); (D.C.); (I.J.); (F.D.P.); (L.S.I.)
| | - Igor Jelihovschi
- Department of Preventive Medicine and Interdisciplinarity (IX)—Microbiology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (R.G.U.); (C.D.); (R.G.C.); (C.L.); (C.R.); (D.C.); (I.J.); (F.D.P.); (L.S.I.)
| | - Florin Dumitru Petrariu
- Department of Preventive Medicine and Interdisciplinarity (IX)—Microbiology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (R.G.U.); (C.D.); (R.G.C.); (C.L.); (C.R.); (D.C.); (I.J.); (F.D.P.); (L.S.I.)
| | - Luminita Smaranda Iancu
- Department of Preventive Medicine and Interdisciplinarity (IX)—Microbiology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (R.G.U.); (C.D.); (R.G.C.); (C.L.); (C.R.); (D.C.); (I.J.); (F.D.P.); (L.S.I.)
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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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