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Prezioso C, Pietropaolo V, Moens U, Ciotti M. JC polyomavirus: a short review of its biology, its association with progressive multifocal leukoencephalopathy, and the diagnostic value of different methods to manifest its activity or presence. Expert Rev Mol Diagn 2023; 23:143-157. [PMID: 36786077 DOI: 10.1080/14737159.2023.2179394] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
INTRODUCTION JC polyomavirus is the causative agent of progressive multifocal leukoencephalopathy (PML), a demyelinating disease resulting from the lytic infection of oligodendrocytes that may develop in immunosuppressed individuals: HIV1 infected or individuals under immunosuppressive therapies. Understanding the biology of JCPyV is necessary for a proper patient management, the development of diagnostic tests, and risk stratification. AREAS COVERED The review covers different areas of expertise including the genomic characterization of JCPyV strains detected in different body compartments (urine, plasma, and cerebrospinal fluid) of PML patients, viral mutations, molecular diagnostics, viral miRNAs, and disease. EXPERT OPINION The implementation of molecular biology techniques improved our understanding of JCPyV biology. Deep sequencing analysis of viral genomes revealed the presence of viral quasispecies in the cerebrospinal fluid of PML patients characterized by noncoding control region rearrangements and VP1 mutations. These neurotropic JCPyV variants present enhanced replication and an altered cell tropism that contribute to PML development. Monitoring these variants may be relevant for the identification of patients at risk of PML. Multiplex realtime PCR targeting both the LTAg and the archetype NCCR could be used to identify them. Failure to amplify NCCR should indicate the presence of a JCPyV prototype speeding up the diagnostic process.
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Affiliation(s)
- Carla Prezioso
- Department of Public Health and Infectious Diseases, "Sapienza" University of Rome Rome, Italy.,IRCSS San Raffaele Roma, Microbiology of Chronic Neuro-Degenerative Pathologies Rome, Italy
| | - Valeria Pietropaolo
- 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
| | - Marco Ciotti
- Virology Unit, Polyclinic Tor Vergata Rome, Italy
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Multiple Signatures of the JC Polyomavirus in Paired Normal and Altered Colorectal Mucosa Indicate a Link with Human Colorectal Cancer, but Not with Cancer Progression. Int J Mol Sci 2019; 20:ijms20235965. [PMID: 31783512 PMCID: PMC6928985 DOI: 10.3390/ijms20235965] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 11/23/2019] [Accepted: 11/25/2019] [Indexed: 12/14/2022] Open
Abstract
The JC polyomavirus (JCV) has been repeatedly but discordantly detected in healthy colonic mucosa, adenomatous polyps, and colorectal cancer (CRC), and proposed to contribute to oncogenesis. The controversies may derive from differences in JCV targets, patient’s cohorts, and methods. Studies of simultaneous detection, quantification, and characterization of JCV presence/expression in paired samples of normal/altered tissues of the same patient are lacking. Therefore, we simultaneously quantified JCV presence (DNA) and expression (mRNA and protein) of T-antigen (T-Ag), Viral Protein 1 (Vp1), and miR-J1-5p in paired normal/altered tissues of CRC or polyps, and from controls. JCV signatures were found in most samples. They increased in patients, but were higher in normal mucosa than in corresponding polyp or CRC lesions. JCV non-coding control region (NCCR) DNA rearrangements increased in CRC patients, also in normal mucosa, thus before the onset of the lesion. A new ∆98bp NCCR DNA rearrangement was detected. T-Ag levels were higher in normal mucosa than in adenoma and adenocarcinoma lesions, but decreased to levels of controls in established CRC lesions. In CRC, miR-J1-5p expression decreased with CRC progression. Vp1 expression was not detected. The data indicate a JCV link with the disease, but possible JCV contributes to oncogenesis should occur at pre-polyp stages.
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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: 15] [Impact Index Per Article: 3.0] [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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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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Villani S, Gagliano N, Procacci P, Sartori P, Comar M, Provenzano M, Favi E, Ferraresso M, Ferrante P, Delbue S. Characterization of an in vitro model to study the possible role of polyomavirus BK in prostate cancer. J Cell Physiol 2018; 234:11912-11922. [PMID: 30515818 DOI: 10.1002/jcp.27871] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 11/12/2018] [Indexed: 11/12/2022]
Abstract
Prostate cancer (PCa) is the most common male neoplasms in the Western world. Various risk factors may lead to carcinogenesis, including infectious agents such as polyomavirus BK (BKPyV), which infects the human renourinary tract, establishes latency, and encodes oncoproteins. Previous studies suggested that BKPyV plays a role in PCa pathogenesis. However, the unspecific tropism of BKPyV and the lack of in vitro models of BKPyV-infected prostate cells cast doubt on this hypothesis. The aim of the present study was to determine whether BKPyV could (a) infect normal and/or tumoral epithelial prostate cells and (b) affect their phenotype. Normal epithelial prostate RWPE-1 cells and PCa PC-3 cells were infected with BKPyV for 21 days. Cell proliferation, cytokine production, adhesion, invasion ability, and epithelial-to-mesenchymal transition (EMT) markers were analyzed. Our results show that (a) RWPE-1 and PC-3 cells are both infectable with BKPyV, but the outcome of the infection varies, (b) cell proliferation and TNF-α production were increased in BKPyV-infected RWPE-1, but not in PC-3 cells, (c) adhesion to matrigel and invasion abilities were elevated in BKPyV-infected RWPE-1 cells, and (d) loss of E-cadherin and expression of vimentin occurred in both uninfected and infected RWPE-1 cells. In conclusion, BKPyV may change some features of the normal prostate cells but is not needed for maintaining the transformed phenotype in the PCa cells The fact that RWPE-1 cells exhibit some phenotype modifications related to EMT represents a limit of this in vitro model.
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Affiliation(s)
- Sonia Villani
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Italy
| | - Nicoletta Gagliano
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Italy
| | - Patrizia Procacci
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Italy
| | - Patrizia Sartori
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Italy
| | - Manola Comar
- Laboratory of Virology, Institute for Maternal and Child Health - IRCCS "Burlo Garofolo,", Trieste, Italy.,Department of Medical Sciences, University of Trieste, Trieste, Italy
| | - Maurizio Provenzano
- Oncology Research Unit, Department of Urology and Division of Surgical Research, University and University Hospital of Zurich, Zurich, Switzerland
| | - Evaldo Favi
- Division of Renal Transplantation, Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico, Milan, Italy
| | - Mariano Ferraresso
- Division of Renal Transplantation, Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico, Milan, Italy
| | - Pasquale Ferrante
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Italy
| | - Serena Delbue
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Italy
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Cason C, Monasta L, Zanotta N, Campisciano G, Maestri I, Tommasino M, Pawlita M, Villani S, Comar M, Delbue S. Antibody response to polyomavirus primary infection: high seroprevalence of Merkel cell polyomavirus and lymphoid tissue involvement. J Neurovirol 2018; 24:314-322. [PMID: 29330826 DOI: 10.1007/s13365-017-0612-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 12/06/2017] [Accepted: 12/21/2017] [Indexed: 12/20/2022]
Abstract
Human polyomaviruses (HPyVs) asymptomatically infect the human population establishing latency in the host, and their seroprevalence can reach 90% in healthy adults. Few studies have focused on the pediatric population, and there are no reports regarding the seroprevalence of all the newly isolated HPyVs among Italian children. Therefore, we investigated the frequency of serum antibodies against 12 PyVs in 182 immunocompetent children from Northeast Italy, by means of a multiplex antibody detection system. Additionally, secondary lymphoid tissues were collected to analyze the presence of HPyV DNA sequences using a specific real-time PCRs or PCRs. Almost 100% of subjects were seropositive for at least one PyV. Seropositivity ranged from 3% for antibodies against simian virus 40 (SV40) in children from 0 to 3 years, to 91% for antibodies against WU polyomavirus (WUPyV) and HPyV10 in children from 8 to 17 years. The mean number of PyV for which children were seropositive increased with the increasing of age: 4 standard deviations (SD) 1.8 in the 0-3-year group, 5 (SD 1.9) in the 4-7-year group, and 6 (SD 2.2) in the 8-17-year group. JC polyomavirus (JCPyV) DNA was detected in 1% of the adenoids, WUPyV in 12% of the tonsils, and 28% of the adenoids, and Merkel cell polyomavirus (MCPyV) was present in 6 and 2% of the tonsils and adenoids, respectively. Our study gives new insights on the serological evidence of exposure to PyVs during childhood, and on their possible respiratory route of transmission.
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Affiliation(s)
- Carolina Cason
- Department of Medical Sciences, University of Trieste, Piazzale Europa 1, 34127, Trieste, Italy
| | - Lorenzo Monasta
- Institute for Maternal and Child Health-IRCCS "Burlo Garofolo", Via dell' Istria 65/1, 34137, Trieste, Italy
| | - Nunzia Zanotta
- Institute for Maternal and Child Health-IRCCS "Burlo Garofolo", Via dell' Istria 65/1, 34137, Trieste, Italy
| | - Giuseppina Campisciano
- Institute for Maternal and Child Health-IRCCS "Burlo Garofolo", Via dell' Istria 65/1, 34137, Trieste, Italy
| | - Iva Maestri
- Department of Experimental and Diagnostic Medicine, Pathology Unit of Pathologic AnatomyHistology and Cytology University of Ferrara, Via Luigi Borsari 46, 44121, Ferrara, Italy
| | - Massimo Tommasino
- Infections and Cancer Biology Group, International Agency for Research on Cancer, Cours Albert Thomas 150, 69372, Lyon, France
| | - Michael Pawlita
- German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
| | - Sonia Villani
- Department of Biomedical, Surgical & Dental Sciences, University of Milano, Via Pascal 36, 20100, Milan, Italy
| | - Manola Comar
- Department of Medical Sciences, University of Trieste, Piazzale Europa 1, 34127, Trieste, Italy
- Institute for Maternal and Child Health-IRCCS "Burlo Garofolo", Via dell' Istria 65/1, 34137, Trieste, Italy
| | - Serena Delbue
- Department of Biomedical, Surgical & Dental Sciences, University of Milano, Via Pascal 36, 20100, Milan, Italy.
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McNees AL, Harrigal LJ, Kelly A, Minard CG, Wong C, Butel JS. Viral microRNA effects on persistent infection of human lymphoid cells by polyomavirus SV40. PLoS One 2018; 13:e0192799. [PMID: 29432481 PMCID: PMC5809058 DOI: 10.1371/journal.pone.0192799] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 01/30/2018] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Polyomaviruses, including simian virus 40 (SV40), display evidence of lymphotropic properties. This study analyzed the nature of SV40-human lymphocyte interactions in established cell lines and in primary lymphocytes. The effects of viral microRNA and the structure of the viral regulatory region on SV40 persistence were examined. RESULTS SV40 DNA was maintained in infected B cell and myeloid cell lines during cell growth for at least 28 days. Limiting dilution analysis showed that low amounts of SV40 DNA (~2 copies per cell) were retained over time. Infected B cells remained viable and able to proliferate. Genome copies of the SV40 microRNA-null mutant persisted at higher levels than the DNA of wild-type viruses. Complex viral regulatory regions produced modestly higher DNA levels than simple regulatory regions. Viral large T-antigen protein was detected at low frequency and at low levels in infected B cells. Following infection of primary lymphocytes, SV40 DNA was detected in CD19+ B cells and CD14+ monocytes, but not in CD3+ T cells. Rescue attempts using either lysates of SV40-infected B lymphocytes, coculture of live cells, or infectious center assays all showed that replication-competent SV40 could be recovered on rare occasions. SV40 infections altered the expression of several B cell surface markers, with more pronounced changes following infections with the microRNA-null mutant. CONCLUSION These findings indicate that SV40 can establish persistent infections in human B lymphocytes. The cells retain low copy numbers of viral DNA; the infections are nonproductive and noncytolytic but can occasionally produce infectious virus. SV40 microRNA negatively regulates the degree of viral effects on B cells. SIGNIFICANCE Lymphocytes may serve as viral reservoirs and may function to disseminate polyomaviruses to different tissues in a host. To our knowledge, this report is the first extensive analysis of viral microRNA effects on SV40 infection of human lymphocytes.
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Affiliation(s)
- Adrienne L. McNees
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, United States of America
| | - Lindsay J. Harrigal
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, United States of America
| | - Aoife Kelly
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, United States of America
| | - Charles G. Minard
- Institute for Clinical and Translational Research, Baylor College of Medicine, Houston, Texas, United States of America
| | - Connie Wong
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, United States of America
| | - Janet S. Butel
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, United States of America
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Hussain I, Tasneem F, Umer M, Pervaiz A, Raza M, Arshad MI, Shahzad N. Specific and quantitative detection of Human polyomaviruses BKPyV and JCPyV in the healthy Pakistani population. Virol J 2017; 14:86. [PMID: 28438210 PMCID: PMC5404684 DOI: 10.1186/s12985-017-0752-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Accepted: 04/19/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The BK Polyomavirus (BKPyV) and JC polyomavirus (JCPyV) infections are widespread in human population and have been associated with severe kidney and brain disorders, respectively. The viruses remain latent primarily in reno-urinary tract, reactivating only in case of a compromised immune system. The seroepidemiology and molecular prevalence of BKPyV and JCPyV have been widely studied both in healthy and immunocompromised patients worldwide. However, data regarding the prevalence of these viruses in the immunocompetent or apparently healthy Pakistani population is lacking. Herein, we present the first ever report on quantitative prevalence of BKPyV and JCPyV in the peripheral blood of a randomly selected cohort of healthy Pakistani population. METHODS A total of 266 whole blood samples were examined. The subjects were divided into three age groups: ≤ 25 years (young), 26-50 years (middle) and ≥ 51 years (elder). Absolute real time PCR assay was designed to quantify the BKPyV and JCPyV viral copy numbers in the range of 106 to 100 copies/mL. RESULTS Overall, BKPyV was detected in 27.1% (72/266) individuals while JCPyV in 11.6% (31/266) indicating significant difference (p < 0.005) in the distribution of these two viruses. The prevalence of BKPyV significantly decreased from 51% (49/96) in young age group to 8.2% (7/85) in eldest age group. Whereas, JCPyV positivity rate slightly increased from 8.3% (8/96) in young age group to 11.8% (10/85) in elder age group. The median viral load was calculated as 6.2 log and 3.38 log copies/mL of blood for BKPyV and JCPyV, respectively. Notably, no significant difference in viral load of either of the subtypes was found between different age groups. CONCLUSION The current study provides an important baseline data on the prevalence and viral load of circulating BKPyV and JCPyV in Pakistani population. The prevalence and viral load of BKPyV was comparatively higher than JCPyV. The prevalence of BKPyV significantly decreased with increase in age while JCPyV positivity rate slightly increased with increasing age. Viral load of both BKPyV and JCPyV was not correlated with the individual ages.
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Affiliation(s)
- Iqra Hussain
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan
| | - Fareeda Tasneem
- Department of Zoology, University of the Punjab, Lahore, Pakistan
| | - Muhammed Umer
- National Institute for Biotechnology & Genetic Engineering, Faisalabad, Pakistan
| | - Ayesha Pervaiz
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan
| | - Muslim Raza
- Department of Mathematics and Statistics, Virtual University of Pakistan, Lahore, Pakistan
| | | | - Naveed Shahzad
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan.
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High frequency of Merkel cell polyomavirus DNA in the urine of kidney transplant recipients and healthy controls. J Clin Virol 2014; 61:565-70. [PMID: 25467862 DOI: 10.1016/j.jcv.2014.10.012] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2014] [Revised: 10/17/2014] [Accepted: 10/19/2014] [Indexed: 01/13/2023]
Abstract
BACKGROUND Polyomavirus (PyV) infection is common, ranging from 60% to 100% depending on the virus. The urinary excretion rates of JC virus (JCV) and BK virus (BKV) have been extensively studied, but less is known about the more recently discovered PyVs. OBJECTIVES To investigate the urinary excretion of Merkel cell PyV (MCPyV), which is associated with Merkel cell carcinoma (MCC), in kidney transplant recipients and healthy subjects, as well as those of lymphotropic polyomavirus (LPV), which was isolated from the B-cells of African green monkeys but has also been found in human blood, JCV and BKV. STUDY DESIGN Urine samples were collected from 62 adult (ATP) and 46 pediatric (PTP) kidney transplant recipients and from 67 adult (AHC) and 40 pediatric (PHC) healthy controls. DNA was isolated and analyzed using real-time PCR (Q-PCR) to determine the viral loads of MCPyV, LPV, JCV and BKV. RESULTS MCPyV DNA was more frequently detected (p<0.05) in the PTP (36.9%) and PHC (30.0%) groups compared to JCV (8.7% in PTP, 12.5% in PHC), BKV (6.5% in PTP, 2.5% in PHC), and LPV (2.2% in PTP, 5% in PHC) and in the AHC (47.8%) group compared to BKV (13.4%) and LPV (0%). CONCLUSIONS Based on the results, it could be concluded that: (a) Despite the rarity of MCC, MCPyV is a common infection; (b) MCPyV demonstrates an excretion pattern similar to those of JCV and BKV, persisting in the kidney and infecting skin cells upon reactivation, with subsequent integration and transformation.
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10
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Lednicky JA, Butel JS, Luetke MC, Loeb JC. Complete genomic sequence of a new Human polyomavirus 9 strain with an altered noncoding control region. Virus Genes 2014; 49:490-2. [PMID: 25260554 DOI: 10.1007/s11262-014-1119-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2014] [Accepted: 09/20/2014] [Indexed: 12/21/2022]
Abstract
A complete Human polyomavirus 9 (HPyV9) genome, designated HPyV9 UF-1, was amplified by rolling circle DNA amplification from DNA extracted from the peripheral blood mononuclear cells (PBMC) of an AIDS patient. The noncoding control (enhancer/promoter) region (NCCR) of HPyV9 UF-1 has one less AML-1a binding site and three more potential Sp1/GC box binding sites than the NCCRs of two previously described HPyV9 genomes. Nucleotide polymorphisms within the coding regions result in two amino acid differences in the deduced VP2 and VP3 proteins of HPyV9 UF-1 relative to those of the two previously described HPyV9 genomes. Exhaustive attempts to detect HPyV9 in DNA samples extracted from the PBMC of 40 healthy humans and 9 other AIDS patients were unsuccessful, highlighting the need for improved search strategies and optimal specimens for the detection of HPyV9 in humans.
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Affiliation(s)
- John A Lednicky
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Box 100188, Gainesville, FL, 32610-0188, USA,
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Wiedinger K, Bitsaktsis C, Chang S. Reactivation of human polyomaviruses in immunocompromised states. J Neurovirol 2014; 20:1-8. [PMID: 24481784 DOI: 10.1007/s13365-014-0234-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2013] [Revised: 12/26/2013] [Accepted: 01/10/2014] [Indexed: 02/05/2023]
Abstract
Infection with various human polyomaviruses (HPyVs) is prevalent, with rates as high as 80 % within the general population. Primary infection occurs during childhood through respiratory or urino-oral transmission. While the majority of individuals exhibit asymptomatic latent infection, those immunocompromised persons are at risk for viral reactivation and disease progression resulting in conditions such as progressive multifocal leukoencephalopathy (PML), trichodysplasia spinulosa, Merkel cell carcinoma, and polyomavirus associated nephropathy. Individuals with altered immune systems due to HIV, organ transplantation, lymphoproliferative diseases, and monoclonal antibody therapy are particularly susceptible to reactivation of various HPyVs. While the specific factors that induce lytic infection have yet to be defined, it is evident that dysfunctional host cellular immune responses allow active infection to occur. Immunosuppressant conditions, such as in chronic alcohol abuse, may serve as added risk factors for reactivation of HPyVs. Since the human HPyV family is rapidly expanding, continuing studies are needed to characterize the role that known and newly discovered HPyVs play in human disease.
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Affiliation(s)
- Kari Wiedinger
- Institute of Neuroimmune Pharmacology, Seton Hall University, 400 South Orange Avenue, South Orange, NJ, 07079, USA
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Popgeorgiev N, Temmam S, Raoult D, Desnues C. Describing the silent human virome with an emphasis on giant viruses. Intervirology 2013; 56:395-412. [PMID: 24157886 DOI: 10.1159/000354561] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Viruses are the most abundant obligate intracellular entities in our body. Until recently, they were only considered to be pathogens that caused a broad array of pathologies, ranging from mild disease to deaths in the most severe cases. However, recent advances in unbiased mass sequencing techniques as well as increasing epidemiological evidence have indicated that the human body is home to diverse viral species under non-pathological conditions. Despite these studies, the description of the presumably healthy viral flora, i.e. the normal human virome, is still in its infancy regarding viral composition and dynamics. This review summarizes our current knowledge of the human virome under non-pathological conditions.
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Affiliation(s)
- Nikolay Popgeorgiev
- URMITE UM63, CNRS 7278, IRD 198, INSERM 1095, Aix-Marseille Université, Marseille, France
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Moens U, Van Ghelue M, Song X, Ehlers B. Serological cross-reactivity between human polyomaviruses. Rev Med Virol 2013; 23:250-64. [DOI: 10.1002/rmv.1747] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2013] [Revised: 03/26/2013] [Accepted: 03/28/2013] [Indexed: 12/21/2022]
Affiliation(s)
- Ugo Moens
- University of Tromsø, Faculty of Health Sciences; Department of Medical Biology; Tromsø Norway
| | - Marijke Van Ghelue
- University Hospital of Northern-Norway; Department of Medical Genetics; Tromsø Norway
| | - Xiaobo Song
- University of Tromsø, Faculty of Health Sciences; Department of Medical Biology; Tromsø Norway
| | - Bernhard Ehlers
- Robert Koch Institute; Department of Infectious Diseases; Berlin Germany
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An P, Sáenz Robles MT, Pipas JM. Large T antigens of polyomaviruses: amazing molecular machines. Annu Rev Microbiol 2013; 66:213-36. [PMID: 22994493 DOI: 10.1146/annurev-micro-092611-150154] [Citation(s) in RCA: 110] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The large tumor antigen (T antigen) encoded by simian virus 40 is an amazing molecular machine because it orchestrates viral infection by modulating multiple fundamental viral and cellular processes. T antigen is required for viral DNA replication, transcription, and virion assembly. In addition, T antigen targets multiple cellular pathways, including those that regulate cell proliferation, cell death, and the inflammatory response. Ectopic T antigen expression results in the immortalization and transformation of many cell types in culture and T antigen induces neoplasia when expressed in rodents. The analysis of the mechanisms by which T antigen carries out its many functions has proved to be a powerful way of gaining insights into cell biology. The accelerating pace at which new polyomaviruses are being discovered provides a collection of novel T antigens that, like simian virus 40, can be used to discover and study key cellular regulatory systems.
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Affiliation(s)
- Ping An
- Department of Biological Sciences, University of Pittsburgh, Pennsylvania 15260, USA
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Topalis D, Andrei G, Snoeck R. The large tumor antigen: a "Swiss Army knife" protein possessing the functions required for the polyomavirus life cycle. Antiviral Res 2012. [PMID: 23201316 DOI: 10.1016/j.antiviral.2012.11.007] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The SV40 large tumor antigen (L-Tag) is involved in the replication and cell transformation processes that take place during the polyomavirus life cycle. The ability of the L-Tag to interact with and to inactivate the tumor suppressor proteins p53 and pRb, makes this polyfunctional protein an interesting target in the search for compounds with antiviral and/or antiproliferative activities designed for the management of polyomavirus-associated diseases. The severe diseases caused by polyomaviruses, mainly in immunocompromised hosts, and the absence of licensed treatments, make the discovery of new antipolyomavirus drugs urgent. Parallels can be made between the SV40 L-Tag and the human papillomavirus (HPV) oncoproteins (E6 and E7) as they are also able to deregulate the cell cycle in order to promote cell transformation and its maintenance. In this review, a presentation of the SV40 L-Tag characteristics, regarding viral replication and cellular transformation, will show how similar these two processes are between the polyoma- and papillomavirus families. Insights at the molecular level will highlight similarities in the binding of polyoma- and papillomavirus replicative helicases to the viral DNA and in their disruptions of the p53 and pRb tumor suppressor proteins.
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Affiliation(s)
- D Topalis
- Rega Institute for Medical Research, KU Leuven, Belgium.
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Antonsson A, Bialasiewicz S, Rockett RJ, Jacob K, Bennett IC, Sloots TP. Exploring the prevalence of ten polyomaviruses and two herpes viruses in breast cancer. PLoS One 2012; 7:e39842. [PMID: 22916092 PMCID: PMC3419721 DOI: 10.1371/journal.pone.0039842] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2012] [Accepted: 05/27/2012] [Indexed: 11/18/2022] Open
Abstract
Several different viruses have been proposed to play a role in breast carcinogenesis. The aim of this study was to investigate the prevalence of a subset of viruses in breast cancer tissue. We investigated the prevalence of 12 DNA viruses: EBV and CMV from the Herpesviridae family and SV40, BKV, JCV, MCV, WUV, KIV, LPV, HPyV6, HPyV7, and TSV from the Polyomaviridae family in 54 fresh frozen breast tumour specimens. Relevant clinical data and basic lifestyle data were available for all patients. The tissue samples were DNA extracted and real-time PCR assays were used for viral detection.The highest prevalence, 10% (5/54), was found for EBV. MCV, HPyV6, and HPyV7 were detected in single patient samples (2% each), while WUV, KIV, JCV, BKV, LPV, SV40, TSV and CMV were not detected in the 54 breast cancer specimens analysed here. Further investigations are needed to elucidate the potential role of viruses, and particularly EBV, in breast carcinogenesis.
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Affiliation(s)
- Annika Antonsson
- Queensland Institute of Medical Research, Department of Population Health, Herston, Brisbane, Queensland, Australia.
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Van Ghelue M, Khan MTH, Ehlers B, Moens U. Genome analysis of the new human polyomaviruses. Rev Med Virol 2012; 22:354-77. [PMID: 22461085 DOI: 10.1002/rmv.1711] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2011] [Revised: 01/31/2012] [Accepted: 02/08/2012] [Indexed: 11/09/2022]
Abstract
Polyomaviridae is a growing family of naked, double-stranded DNA viruses that infect birds and mammals. The last few years, several new members infecting birds or primates have been discovered, including seven human polyomaviruses: KI, WU, Merkel cell polyomavirus, HPyV6, HPyV7, trichodysplasia spinulosa-associated polyomavirus, and HPyV9. In addition, DNA and antibodies against the monkey lymphotropic polyomavirus have been detected in humans, indicating that this virus can also infect man. However, little is known about the route of infection, transmission, cell tropism, and, with the exception of Merkel cell polyomavirus and trichodysplasia spinulosa-associated polyomavirus, the pathogenicity of these viruses. This review compares the genomes of these emerging human polyomaviruses with previously known polyomaviruses detected in man, reports mutations in different isolates, and predicts structural and functional properties of their viral proteins.
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Affiliation(s)
- Marijke Van Ghelue
- Department of Medical Genetics, University Hospital Northern-Norway, Tromsø, Norway
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Trusch F, Klein M, Finsterbusch T, Kühn J, Hofmann J, Ehlers B. Seroprevalence of human polyomavirus 9 and cross-reactivity to African green monkey-derived lymphotropic polyomavirus. J Gen Virol 2012; 93:698-705. [PMID: 22218677 DOI: 10.1099/vir.0.039156-0] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Human polyomavirus 9 (HPyV9) was discovered recently in immunocompromised patients and shown to be genetically closely related to B-lymphotropic polyomavirus (LPyV). No serological data are available for HPyV9, but human antibodies against LPyV have been reported previously. To investigate the seroepidemiology of HPyV9 and the sero-cross-reactivity between HPyV9 and LPyV, a capsomer-based IgG ELISA was established using the major capsid protein VP1 of HPyV9 and LPyV. VP1 of an avian polyomavirus was used as control. For HPyV9, a seroprevalence of 47 % was determined in healthy adults and adolescents (n = 328) and 20 % in a group of children (n =101). In both groups, the seroreactivities for LPyV were less frequent and the ELISA titres of LPyV were lower. Of the HPyV9-reactive sera, 47 % reacted also with LPyV, and the titres for both PyVs correlated. Sera from African green monkeys, the natural hosts of LPyV, reacted also with both HPyV9 and LPyV, but here the HPyV9 titres were lower. This potential sero-cross-reactivity between HPyV9 and LPyV was confirmed by competition assays, and it was hypothesized that the reactivity of human sera against LPyV may generally be due to cross-reactivity between HPyV9 and LPyV. The HPyV9 seroprevalence of liver transplant recipients and patients with neurological dysfunctions did not differ from that of age-matched controls, but a significantly higher seroprevalence was determined in renal and haematopoietic stem-cell transplant recipients, indicating that certain immunocompromised patient groups may be at a higher risk for primary infection with or for reactivation of HPyV9.
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Affiliation(s)
- Franziska Trusch
- Division of Viral Infections, Robert Koch Institute, Berlin, Germany
| | - Marcus Klein
- Division of Viral Infections, Robert Koch Institute, Berlin, Germany
| | - Tim Finsterbusch
- Division of Viral Infections, Robert Koch Institute, Berlin, Germany
| | - Joachim Kühn
- Institute of Medical Microbiology, Clinical Virology, University Hospital Muenster, Muenster, Germany
| | - Jörg Hofmann
- Institute of Virology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Bernhard Ehlers
- Division of Viral Infections, Robert Koch Institute, Berlin, Germany
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Sauvage V, Foulongne V, Cheval J, Ar Gouilh M, Pariente K, Dereure O, Manuguerra JC, Richardson J, Lecuit M, Burguière A, Caro V, Eloit M. Human polyomavirus related to African green monkey lymphotropic polyomavirus. Emerg Infect Dis 2011; 17:1364-70. [PMID: 21801611 PMCID: PMC3381546 DOI: 10.3201/eid1708.110278] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
TOC summary: This virus is shed at the human skin surface. While studying the virome of the skin surface of a patient with a Merkel cell carcinoma (MCC) by using unbiased, high-throughput sequencing, we identified a human polyomavirus nearly identical to human polyomavirus 9, a virus recently reported in blood and urine of renal transplantion patients and closely related to the African green monkey lymphotropic polyomavirus. Specific PCR analysis further identified this virus in 2/8 patients with MCC but in only 1/111 controls without MCC. This virus was shed for >20 months by the MCC index patient and was on the skin of the spouse of the index patient. These results provide information on the viral ecology of human skin and raise new questions regarding the pathology of virus-associated skin disorders.
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Moens U, Ludvigsen M, Van Ghelue M. Human polyomaviruses in skin diseases. PATHOLOGY RESEARCH INTERNATIONAL 2011; 2011:123491. [PMID: 21941687 PMCID: PMC3173887 DOI: 10.4061/2011/123491] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2011] [Accepted: 06/29/2011] [Indexed: 12/21/2022]
Abstract
Polyomaviruses are a family of small, nonenveloped viruses with a circular double-stranded DNA genome of ∼5,000 base pairs protected by an icosahedral protein structure. So far, members of this family have been identified in birds and mammals. Until 2006, BK virus (BKV), JC virus (JCV), and simian virus 40 (SV40) were the only polyomaviruses known to circulate in the human population. Their occurrence in individuals was mainly confirmed by PCR and the presence of virus-specific antibodies. Using the same methods, lymphotropic polyomavirus, originally isolated in monkeys, was recently shown to be present in healthy individuals although with much lower incidence than BKV, JCV, and SV40. The use of advanced high-throughput sequencing and improved rolling circle amplification techniques have identified the novel human polyomaviruses KI, WU, Merkel cell polyomavirus, HPyV6, HPyV7, trichodysplasia spinulosa-associated polyomavirus, and HPyV9. The skin tropism of human polyomaviruses and their dermatopathologic potentials are the focus of this paper.
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Affiliation(s)
- Ugo Moens
- Institute of Medical Biology, Faculty of Health Sciences, University of Tromsø, 9037 Tromsø, Norway
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Costa C, Bergallo M, Terlizzi ME, Cavallo GP, Cavalla P, Cavallo R. Lack of detection of lymphotropic polyomavirus DNA in different clinical specimens. J Clin Virol 2011; 51:148-9. [DOI: 10.1016/j.jcv.2011.02.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2011] [Accepted: 02/22/2011] [Indexed: 10/18/2022]
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Bofill-Mas S, Rodriguez-Manzano J, Calgua B, Carratala A, Girones R. Newly described human polyomaviruses Merkel cell, KI and WU are present in urban sewage and may represent potential environmental contaminants. Virol J 2010; 7:141. [PMID: 20584272 PMCID: PMC2907336 DOI: 10.1186/1743-422x-7-141] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2009] [Accepted: 06/28/2010] [Indexed: 12/31/2022] Open
Abstract
Recently, three new polyomaviruses (KI, WU and Merkel cell polyomavirus) have been reported to infect humans. It has also been suggested that lymphotropic polyomavirus, a virus of simian origin, infects humans. KI and WU polyomaviruses have been detected mainly in specimens from the respiratory tract while Merkel cell polyomavirus has been described in a very high percentage of Merkel cell carcinomas. The distribution, excretion level and transmission routes of these viruses remain unknown. Here we analyzed the presence and characteristics of newly described human polyomaviruses in urban sewage and river water in order to assess the excretion level and the potential role of water as a route of transmission of these viruses. Nested-PCR assays were designed for the sensitive detection of the viruses studied and the amplicons obtained were confirmed by sequencing analysis. The viruses were concentrated following a methodology previously developed for the detection of JC and BK human polyomaviruses in environmental samples. JC polyomavirus and human adenoviruses were used as markers of human contamination in the samples. Merkel cell polyomavirus was detected in 7/8 urban sewage samples collected and in 2/7 river water samples. Also one urine sample from a pregnant woman, out of 4 samples analyzed, was positive for this virus. KI and WU polyomaviruses were identified in 1/8 and 2/8 sewage samples respectively. The viral strains detected were highly homologous with other strains reported from several other geographical areas. Lymphotropic polyomavirus was not detected in any of the 13 sewage neither in 9 biosolid/sludge samples analyzed. This is the first description of a virus isolated from sewage and river water with a strong association with cancer. Our data indicate that the Merkel cell polyomavirus is prevalent in the population and that it may be disseminated through the fecal/urine contamination of water. The procedure developed may constitute a useful tool for studying the excreted strains, prevalence and transmission of these recently described polyomaviruses.
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Affiliation(s)
- Sílvia Bofill-Mas
- Department of Microbiology, Faculty of Biology, Universitat de Barcelona, Av, Diagonal 645, 08028 Barcelona, Spain.
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