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Barbier MT, Del Valle L. Co-Detection of EBV and Human Polyomavirus JCPyV in a Case of AIDS-Related Multifocal Primary Central Nervous System Diffuse Large B-Cell Lymphoma. Viruses 2023; 15:755. [PMID: 36992464 PMCID: PMC10059075 DOI: 10.3390/v15030755] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 03/17/2023] Open
Abstract
The human neurotropic Polyomavirus JCPyV is the widespread opportunistic causative pathogen of the fatal demyelinating disease progressive multifocal leukoencephalopathy; however, it has also been implicated in the oncogenesis of several types of cancers. It causes brain tumors when intracerebrally inoculated into rodents, and genomic sequences of different strains and expression of the viral protein large T-Antigen have been detected in a wide variety of glial brain tumors and CNS lymphomas. Here, we present a case of an AIDS-related multifocal primary CNS lymphoma in which JCPyV genomic sequences of the three regions of JCPyV and expression of T-Antigen were detected by PCR and immunohistochemistry, respectively. No capsid proteins were detected, ruling out active JCPyV replication. Sequencing of the control region revealed that Mad-4 was the strain of JCPyV present in tumor cells. In addition, expression of viral proteins LMP and EBNA-1 from another ubiquitous oncogenic virus, Epstein-Barr, was also detected in the same lymphocytic neoplastic cells, co-localizing with JCPyV T-Antigen, suggesting a potential collaboration between these two viruses in the process of malignant transformation of B-lymphocytes, which are the site of latency and reactivation for both viruses.
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Affiliation(s)
- Mallory T. Barbier
- Louisiana Cancer Research Center, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA
| | - Luis Del Valle
- Louisiana Cancer Research Center, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA
- Department of Pathology, Louisiana State University School of Medicine, New Orleans, LA 70112, USA
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A Diagnosis Can Hide Another: The Value of Brain Biopsy in Neurological Lesion of HIV Patients. J Acquir Immune Defic Syndr 2021; 86:e6-e9. [PMID: 32947444 DOI: 10.1097/qai.0000000000002511] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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3
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Maass F, von Gottberg P, Franz J, Stadelmann C, Bähr M, Weber MS. Case Report: Findings Suggestive of Paraclinical Progressive Multifocal Leukoencephalopathy and Lung Cancer-Derived Brain Metastases in an MS Patient Treated With Fingolimod. Front Neurol 2021; 12:561158. [PMID: 33613428 PMCID: PMC7886972 DOI: 10.3389/fneur.2021.561158] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 01/14/2021] [Indexed: 01/06/2023] Open
Abstract
Fingolimod represents a highly effective disease-modifying drug in patients with active relapsing-remitting multiple sclerosis (RRMS). Its immunosuppressive effects can mediate adverse events like increased risk of cancer development or appearance of opportunistic infections. Progressive multifocal leukoencephalopathy (PML)–representing a severe opportunistic infection–has been only infrequently described during Fingolimod treatment. Here, we present a case of a 63-year-old women with pre-diagnosed RRMS who presented with new multiple cerebral lesions in a routine MRI scan, also including a tumefactive lesion in the left parietal lobe, eventually leading to the diagnosis of brain metastases derived by an adenocarcinoma of the lung. Additionally, a JCV-DNA-PCR in the cerebrospinal fluid revealed positive results, corresponding to a paraclinical progressive multifocal leukoencephalopathy. In conclusion, adverse events potentially associated with immunosuppression can occur during Fingolimod treatment. In this context, the occurrence of cancer and opportunistic infections should be carefully monitored. Here, we report a case in which JCV-DNA-PCR in the cerebrospinal fluid suggests asymptomatic PML and simultaneously lung cancer brain metastases developed. While it is rather unlikely that either event occurred as an adverse event of fingolimod treatment, a contributing effect cannot be formally excluded.
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Affiliation(s)
- Fabian Maass
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Philipp von Gottberg
- Department of Neuroradiology, University Medical Center Göttingen, Göttingen, Germany
| | - Jonas Franz
- Institute of Neuropathology, University Medical Center Göttingen, Göttingen, Germany
| | - Christine Stadelmann
- Institute of Neuropathology, University Medical Center Göttingen, Göttingen, Germany
| | - Mathias Bähr
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Martin S Weber
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany.,Institute of Neuropathology, University Medical Center Göttingen, Göttingen, Germany
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Ahye N, Bellizzi A, May D, Wollebo HS. The Role of the JC Virus in Central Nervous System Tumorigenesis. Int J Mol Sci 2020; 21:ijms21176236. [PMID: 32872288 PMCID: PMC7503523 DOI: 10.3390/ijms21176236] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 08/22/2020] [Accepted: 08/24/2020] [Indexed: 12/14/2022] Open
Abstract
Cancer is the second leading cause of mortality worldwide. The study of DNA tumor-inducing viruses and their oncoproteins as a causative agent in cancer initiation and tumor progression has greatly enhanced our understanding of cancer cell biology. The initiation of oncogenesis is a complex process. Specific gene mutations cause functional changes in the cell that ultimately result in the inability to regulate cell differentiation and proliferation effectively. The human neurotropic Polyomavirus JC (JCV) belongs to the family Polyomaviridae and it is the causative agent of progressive multifocal leukoencephalopathy (PML), which is a fatal neurodegenerative disease in an immunosuppressed state. Sero-epidemiological studies have indicated JCV infection is prevalent in the population (85%) and that initial infection usually occurs during childhood. The JC virus has small circular, double-stranded DNA that includes coding sequences for viral early and late proteins. Persistence of the virus in the brain and other tissues, as well as its potential to transform cells, has made it a subject of study for its role in brain tumor development. Earlier observation of malignant astrocytes and oligodendrocytes in PML, as well as glioblastoma formation in non-human primates inoculated with JCV, led to the hypothesis that JCV plays a role in central nervous system (CNS) tumorigenesis. Some studies have reported the presence of both JC viral DNA and its proteins in several primary brain tumor specimens. The discovery of new Polyomaviruses such as the Merkel cell Polyomavirus, which is associated with Merkel cell carcinomas in humans, ignited our interest in the role of the JC virus in CNS tumors. The current evidence known about JCV and its effects, which are sufficient to produce tumors in animal models, suggest it can be a causative factor in central nervous system tumorigenesis. However, there is no clear association between JCV presence in CNS and its ability to initiate CNS cancer and tumor formation in humans. In this review, we will discuss the correlation between JCV and tumorigenesis of CNS in animal models, and we will give an overview of the current evidence for the JC virus’s role in brain tumor formation.
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Del Valle L, Piña-Oviedo S. Human Polyomavirus JCPyV and Its Role in Progressive Multifocal Leukoencephalopathy and Oncogenesis. Front Oncol 2019; 9:711. [PMID: 31440465 PMCID: PMC6694743 DOI: 10.3389/fonc.2019.00711] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 07/17/2019] [Indexed: 12/12/2022] Open
Abstract
The human neurotropic virus JCPyV, a member of the Polyomaviridiae family, is the opportunistic infectious agent of Progressive Multifocal Leukoencephalopathy (PML), a fatal disease seen in severe immunosuppressive conditions and, during the last decade, in patients undergoing immunotherapy. JCPyV is a ubiquitous pathogen with up to 85% of the adult population word-wide exhibiting antibodies against it. Early experiments demonstrated that direct inoculation of JCPyV into the brain of different species resulted in the development of brain tumors and other neuroectodermal-derived neoplasias. Later, several reports showed the detection of viral sequences in medulloblastomas and glial tumors, as well as expression of the viral protein T-Antigen. Few oncogenic viruses, however, have caused so much controversy regarding their role in the pathogenesis of brain tumors, but the discovery of new Polyomaviruses that cause Merkel cell carcinomas in humans and brain tumors in racoons, in addition to the role of JCPyV in colon cancer and multiple mechanistic studies have shed much needed light on the role of JCPyV in cancer. The pathways affected by the viral protein T-Antigen include cell cycle regulators, like p53 and pRb, and transcription factors that activate pro-proliferative genes, like c-Myc. In addition, infection with JCPyV causes chromosomal damage and T-Antigen inhibits homologous recombination, and activates anti-apoptotic proteins, such as Survivin. Here we review the different aspects of the biology and physiopathology of JCPyV.
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Affiliation(s)
- Luis Del Valle
- Department of Pathology and Stanley S. Scott Cancer Center, Louisiana State University Health, New Orleans, LA, United States
| | - Sergio Piña-Oviedo
- Department of Pathology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, United States
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6
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Trunfio M, Manini C, Trentalange A, Boghi A, Audagnotto S, Imperiale D, Taraglio S, Bonora S, Di Perri G, Calcagno A. The "milky way" galaxy of HIV-related central nervous system immune reaction syndromes. J Neurovirol 2019; 25:887-892. [PMID: 31214917 DOI: 10.1007/s13365-019-00769-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 05/18/2019] [Accepted: 05/24/2019] [Indexed: 11/26/2022]
Abstract
The landscape of central nervous system HIV infection is rapidly changing, leading to the recognition of a new constellation of overlapping syndromes and to a better insight for the elder ones. Among these, progressive multifocal leukoencephalopathy (PML) still poses several diagnostic and therapeutic challenges; nevertheless, recent developments in understanding PML in patients with multiple sclerosis may have benefitted HIV-positive patients suffering from PML too. We describe a peculiar case of PML-immune reconstitution inflammatory syndrome (IRIS) presenting a punctate pattern with "milky way" appearance on magnetic resonance imaging. Despite the fact that brain imaging and histopathology remain the mainstays for extricating through the expanding galaxy of HIV-related central nervous system dysimmune syndromes and although punctate pattern has been already well acknowledged as a suggestive finding of PML among patients on natalizumab, this radiological presentation is still poorly recognised in AIDS-related PML cases, leading to possible life-threatening diagnostic delays. This is also the first report about intravenous immunoglobulin treatment in AIDS-related PML-IRIS; the favourable clinical and radiological outcome of our case and the preliminary administrations of intravenous immunoglobulins in natalizumab-associated PML-IRIS from literature support probable benefits also among HIV-positive patients.
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Affiliation(s)
- Mattia Trunfio
- Unit of Infectious Diseases, Department of Medical Sciences, Amedeo di Savoia Hospital, University of Torino, Corso Svizzera 164, 10149, Torino, Italy.
| | - Claudia Manini
- Unit of Pathology, San Giovanni Bosco Hospital, Piazza Donatore di Sangue 3, 10154, Torino, Italy
| | - Alice Trentalange
- Unit of Infectious Diseases, Department of Medical Sciences, Amedeo di Savoia Hospital, University of Torino, Corso Svizzera 164, 10149, Torino, Italy
| | - Andrea Boghi
- Unit of Neuroradiology, San Giovanni Bosco Hospital, Piazza Donatore di Sangue 3, 10154, Torino, Italy
| | - Sabrina Audagnotto
- Unit of Infectious Diseases, Department of Medical Sciences, Amedeo di Savoia Hospital, University of Torino, Corso Svizzera 164, 10149, Torino, Italy
| | - Daniele Imperiale
- Unit of Neurology, Maria Vittoria Hospital, Via Luigi Cibrario 72, 10144, Torino, Italy
| | - Stefano Taraglio
- Unit of Pathology, San Giovanni Bosco Hospital, Piazza Donatore di Sangue 3, 10154, Torino, Italy
| | - Stefano Bonora
- Unit of Infectious Diseases, Department of Medical Sciences, Amedeo di Savoia Hospital, University of Torino, Corso Svizzera 164, 10149, Torino, Italy
| | - Giovanni Di Perri
- Unit of Infectious Diseases, Department of Medical Sciences, Amedeo di Savoia Hospital, University of Torino, Corso Svizzera 164, 10149, Torino, Italy
| | - Andrea Calcagno
- Unit of Infectious Diseases, Department of Medical Sciences, Amedeo di Savoia Hospital, University of Torino, Corso Svizzera 164, 10149, Torino, Italy
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Reddi A, Patel N, Morris NA. Diffuse large B cell lymphoma secondary to JC virus in progressive multifocal leukoencephalopathy. J Neurovirol 2019; 25:883-886. [PMID: 31140130 DOI: 10.1007/s13365-019-00760-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 04/29/2019] [Accepted: 05/09/2019] [Indexed: 11/28/2022]
Abstract
We present the case of a 43-year-old-man with a past medical history of HIV with recently initiated HAART and existing PML that presented with altered mental status. The initial diagnosis was deemed to be PML-IRIS; however, neuroimaging brought into question this diagnosis. Flow cytometry performed from the cerebrospinal fluid revealed diffuse large B cell lymphoma. JC virus may act in an oncogenic role similarly to EBV and predispose to CNS lymphomas. Patients with PML caused by JC virus may develop secondary malignancies.
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Affiliation(s)
- Ashwin Reddi
- School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Nikhil Patel
- Division of Neurocritical Care and Emergency Neurology, University of Maryland, School of Medicine, 22 South Greene Street, Baltimore, MD, 20201, USA
| | - Nicholas A Morris
- Division of Neurocritical Care and Emergency Neurology, University of Maryland, School of Medicine, 22 South Greene Street, Baltimore, MD, 20201, USA.
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Avellaneda-Gómez C, Torres Iglesias R, Puente Periz V, Güerri Fernández R. Extrapyramidal syndrome with generalised chorea as an atypical presentation of progressive multifocal leukoencephalopathy. NEUROLOGÍA (ENGLISH EDITION) 2018. [DOI: 10.1016/j.nrleng.2016.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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9
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Avellaneda-Gómez C, Torres Iglesias R, Puente Periz V, Güerri Fernández RC. Extrapyramidal syndrome with generalized chorea as an atypical presentation of progressive multifocal leukoencephalopathy. Neurologia 2016; 33:129-131. [PMID: 26968822 DOI: 10.1016/j.nrl.2016.01.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 12/29/2015] [Accepted: 01/01/2016] [Indexed: 10/22/2022] Open
Affiliation(s)
| | - R Torres Iglesias
- Servicio de Enfermedades Infecciosas, Hospital del Mar, Barcelona, España
| | - V Puente Periz
- Servicio de Neurología, Hospital del Mar, Barcelona, España
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10
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Kawakami T, Sakai K, Mimura Y, Senoo Y, Hirabayashi Y, Nakazawa H, Koshihara H, Oguchi K, Takei YI, Ohara S, Watanabe N, Nakazawa K, Oyanagi K, Kitano K. Development of primary central nervous system lymphoma associated with human immunodeficiency virus and JC virus infection. J Clin Exp Hematop 2015; 54:211-7. [PMID: 25501112 DOI: 10.3960/jslrt.54.211] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
We report here a case of a 37-year-old man with human immunodeficiency virus (HIV) infection followed by JC virus (JCV) infection and primary central nervous system lymphoma (PCNSL). The patient had been infected with HIV type 1 due to blood products for hemophilia A during infancy. He had progression of nervous symptoms and was diagnosed with progressive multifocal leukoencephalopathy (PML) clinically at the age of 36, when his CD4-positive lymphocyte counts ranged between 350 and 450/μl. Oral mefloquine, intravenous methylprednisolone pulse therapy, and intravenous immunoglobulin were not effective for the PML, and the patient entered a vegetative state. Brain biopsy revealed JCV infection without pathological findings of PML. Eight months after the clinical diagnosis of PML, he developed respiratory failure and brain magnetic resonance imaging revealed a mass lesion in the brain stem. The patient died 19 months after the diagnosis of PML. Autopsy findings were compatible with PCNSL. EBV-encoded small RNA-1-positive cells were not detected. We present a case of JCV-positive PCNSL with HIV infection complicated with clinical PML.
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Affiliation(s)
- Toru Kawakami
- Department of Hematology, NHO Matsumoto Medical Center
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12
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Lucchese G. A peptide talk between JC virus and the human host: from silent infection to autoimmunity. Immunopharmacol Immunotoxicol 2012; 34:1067-74. [PMID: 22594935 DOI: 10.3109/08923973.2012.686510] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Analysis of JC virus (JCV) polyprotein for peptide sharing with the human proteome reveals that the virus has hundreds of pentapeptide sequences in common with the human proteins. The datum is interesting in light of the fundamental role exerted by short amino acid sequences in protein-protein interactions and, consequently, in biochemical reactions and immune recognition. Searching for new approaches to understand the JCV infection scenarios, from the immunoevasion phenomenon underlying the viral asymptomatic stay in the human host to the (re)activation phase and associated pathogenic sequelae, the present study describes the diffuse pentapeptide communication network between JCV and the human host.
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Affiliation(s)
- Guglielmo Lucchese
- Department of Biochemistry and Molecular Biology, University of Bari, Italy.
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13
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Cunliffe CH, Fischer I, Monoky D, Law M, Revercomb C, Elrich S, Kopp MJ, Zagzag D. Intracranial lesions mimicking neoplasms. Arch Pathol Lab Med 2009; 133:101-23. [PMID: 19123722 DOI: 10.5858/133.1.101] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/25/2008] [Indexed: 11/06/2022]
Abstract
CONTEXT A broad spectrum of nonneoplastic conditions can mimic a brain tumor, both clinically and radiologically. In this review we consider these, taking into consideration the following etiologic categories: infection, demyelination, vascular diseases, noninfectious inflammatory disorders, and iatrogenic conditions. We give an overview of such diseases, which represent a potential pitfall for pathologists and other clinicians involved in patient care, and present selected cases from each category. OBJECTIVE To illustrate the radiologic and pathologic features of nontumoral intracranial lesions that can clinically and radiologically mimic neoplasia. DATA SOURCES Case-derived material and literature review. CONCLUSIONS A variety of nonneoplastic lesions can present clinically and radiologically as primary or metastatic central nervous system tumors and result in surgical biopsy or resection of the lesion. In such situations, the pathologist has an important role to play in correctly determining the nature of these lesions. Awareness of the entities that can present in this way will assist the pathologist in the correct diagnosis of these lesions.
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Affiliation(s)
- Clare H Cunliffe
- Department of Pathology, Division of Neuropathology, New York University Medical Center, New York, NY, USA.
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Barzon L, Trevisan M, Marino F, Guzzardo V, Palù G. Primary bilateral adrenal B-cell lymphoma associated with EBV and JCV infection. Infect Agent Cancer 2009; 4:1. [PMID: 19146683 PMCID: PMC2630304 DOI: 10.1186/1750-9378-4-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2008] [Accepted: 01/15/2009] [Indexed: 12/05/2022] Open
Abstract
Primary lymphoma of the adrenal gland is a rare and highly aggressive disease, with only a few reports in the literature. The pathogenesis is unknown, but detection of Epstein Barr virus (EBV) genome sequences and gene expression in some cases of primary adrenal lymphomas suggested the virus might be a causative agent of the malignancy. While investigating the presence of genome sequences of oncogenic viruses in a large series of adrenal tumors, both EBV and JC polyomavirus (JCV) DNA sequences were detected in a diffuse large primary bilateral B-cell non-Hodgkin lymphoma of the adrenal gland, which was diagnosed only at postmortem examination in a 77 year-old woman with incidentally discovered adrenal masses and primary adrenal insufficiency. The presence of both EBV and JCV genome sequences suggests the relevance of EBV and JCV coinfection in the pathogenesis of this rare form of B-cell lymphoma.
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Affiliation(s)
- Luisa Barzon
- Department of Histology, Microbiology and Medical Biotechnologies, University of Padova, I-35121 Padova, Italy.
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Lima MA, Katz-Brull R, Lenkinski RE, Nunez R, Feinrider D, Koralnik IJ. Remission of progressive multifocal leukoencephalopathy and primary central nervous system lymphoma in an HIV-infected patient. Eur J Neurol 2007; 14:598-602. [PMID: 17539934 DOI: 10.1111/j.1468-1331.2007.01820.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The coexistence of progressive multifocal leukoencephalopathy (PML) and primary central nervous system lymphoma (PCNSL) is a rare event, usually associated with a fatal outcome. We report the case of a human immunodeficiency virus (HIV)-infected individual presenting with both PML and PCNSL who made a remarkable recovery after highly active anti retroviral therapy (HAART) and radiation therapy, and discuss diagnostic and therapeutic aspects of both conditions.
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Affiliation(s)
- M A Lima
- Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
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Piña-Oviedo S, De León-Bojorge B, Cuesta-Mejías T, White MK, Ortiz-Hidalgo C, Khalili K, Del Valle L. Glioblastoma multiforme with small cell neuronal-like component: association with human neurotropic JC virus. Acta Neuropathol 2006; 111:388-96. [PMID: 16557392 DOI: 10.1007/s00401-006-0050-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2005] [Revised: 01/22/2006] [Accepted: 01/26/2006] [Indexed: 11/26/2022]
Abstract
The human polyomavirus JCV, the etiological agent of progressive multifocal leukoencephalopathy, has been associated with primitive neuroectodermal tumors and various glial-derived tumors, including glioblastoma multiforme (GBM). Here we describe the unique clinical case of a 54-year-old man who presented with headaches, hemiparesis and drowsiness. T1 and T2 magnetic resonance images revealed a large solid tumor with a cystic component located in the right temporal lobe, with extension into the parietal lobe. Histologically, the tumor was composed of two areas, a main area of large neoplastic cells with pleomorphic atypical nuclei and abundant cytoplasm, which by immunohistochemistry was reactive for glial fibrillary acidic protein, mixed with several foci of poorly differentiated tumoral cells with elongated nuclei and scant cytoplasm, negative for GFAP, but robustly immunoreactive for synaptophysin and phosphoneurofilaments. Results from PCR in laser capture microdissected cells from both areas of the tumor revealed the presence of DNA sequences corresponding to the early, late and control regions (CR) of the JCV genome and expression of JCV proteins T-antigen and Agnoprotein in both phenotypes. No evidence for capsid protein was observed, excluding productive viral infection. Sequencing demonstrated the presence of the JCV Mad-1 strain with distinct point mutations in the CR of isolates from both, GBM and small cell architectural areas. The presence of JCV DNA sequences and expression of viral proteins further reinforces the role of the widely spread human neurotropic virus in early transformation and in the development of brain tumors.
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Affiliation(s)
- Sergio Piña-Oviedo
- Department of Neuroscience, Center for Neurovirology, Temple University School of Medicine, 1900 North 12th Street, Philadelphia, PA, USA
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Del Valle L, Enam S, Lara C, Miklossy J, Khalili K, Gordon J. Primary central nervous system lymphoma expressing the human neurotropic polyomavirus, JC virus, genome. J Virol 2004; 78:3462-9. [PMID: 15016869 PMCID: PMC371040 DOI: 10.1128/jvi.78.7.3462-3469.2004] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
B lymphocytes are known as a potential site for latency and reactivation of the human neurotropic polyomavirus, JC virus (JCV). In light of recent studies on the oncogenicity of JCV and the transforming ability of the JCV early protein, T antigen, we investigated the association of JCV with B-cell lymphomas of the central nervous system. Examination of 27 well-characterized clinical specimens by gene amplification and immunohistochemistry revealed the presence of DNA sequences corresponding to the JCV early genome and the late Agnoprotein in 22 samples and the JCV late genome encoding the viral capsid proteins in 8 samples. Expression of T antigen and that of Agnoprotein by immunohistochemistry were each detected in six specimens. No evidence of the production of viral capsid proteins was observed, ruling out productive infection of JCV in the tumor cells. The results from laser capture microdissection verified the presence of JCV T-antigen sequences in tumor cells with positive immunoreactivity to antibodies against the viral proteins T antigen and Agnoprotein. Due to previous reports demonstrating an association of the Epstein-Barr virus (EBV) with transformation of B lymphocytes, EBV DNA sequences and the EBV transforming protein, latent membrane protein 1 (LMP1), were analyzed in parallel. EBV LMP1 DNA sequences were detected in 16 of 23 samples, and LMP1 expression was detected in 16 samples, 5 of which exhibited positive immunoreactivity to JCV proteins. Double labeling demonstrated coexpression of JCV T antigen and EBV LMP1 in the same cells. The detection of the JCV genome in large numbers of B-cell lymphomas and its coexistence with EBV suggest a potential role for JCV in the pathogenesis of primary CNS lymphoma.
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Affiliation(s)
- Luis Del Valle
- Center for Neurovirology and Cancer Biology, College of Science and Technology, Temple University, Philadelphia, Pennsylvania 19122, USA
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