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Mouliou DS. John Cunningham Virus and Progressive Multifocal Leukoencephalopathy: A Falsely Played Diagnosis. Diseases 2024; 12:100. [PMID: 38785755 PMCID: PMC11120163 DOI: 10.3390/diseases12050100] [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: 03/21/2024] [Revised: 05/09/2024] [Accepted: 05/09/2024] [Indexed: 05/25/2024] Open
Abstract
Progressive Multifocal Leukoencephalopathy (PML) is a possibly fatal demyelinating disease and John Cunningham Polyomavirus (JCPyV) is believed to cause this condition. The so-called JCPyV was initially reported in lymphoma and Human Immunodeficiency Virus (HIV) cases, whereas nowadays, its incidence is increasing in Multiple Sclerosis (MS) cases treated with natalizumab (Tysabri). However, there are conflicting literature data on its pathology and diagnosis, whereas some misdiagnosed reports exist, giving rise to further questions towards the topic. In reality, the so-called PML and the supposed JCPyV are not what they seem to be. In addition, novel and more frequent PML-like conditions may be reported, especially after the Coronavirus Disease 2019 (COVID-19) pandemic.
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Lv Y, Liu X. Hemorrhagic cystitis induced by JC polyomavirus infection following COVID-19: a case report. BMC Urol 2024; 24:87. [PMID: 38627797 PMCID: PMC11020351 DOI: 10.1186/s12894-024-01464-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 03/24/2024] [Indexed: 04/19/2024] Open
Abstract
JC polyomavirus (JCPyV) is a human polyomavirus that can establish lifelong persistent infection in the majority of adults. It is typically asymptomatic in immunocompetent individuals. However, there is a risk of developing progressive multifocal leukoencephalopathy (PML) in immunocompromised or immunosuppressed patients. Though JCPyV commonly resides in the kidney-urinary tract, its involvement in urinary system diseases is extremely rare. Here, we reported a case of a 60-year-old male patient with coronavirus disease 2019 (COVID-19) infection who developed hemorrhagic cystitis after receiving treatment with nirmatrelvir 300 mg/ritonavir 100 mg quaque die (QD). Subsequent metagenomic next-generation sequencing (mNGS) confirmed the infection to be caused by JCPyV type 2. Then, human immunoglobulin (PH4) for intravenous injection at a dose of 25 g QD was administered to the patient. Three days later, the hematuria resolved. This case illustrates that in the setting of compromised host immune function, JCPyV is not limited to causing central nervous system diseases but can also exhibit pathogenicity in the urinary system. Moreover, mNGS technology facilitates rapid diagnosis of infectious etiology by clinical practitioners, contributing to precise treatment for patients.
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Affiliation(s)
- Yuanjie Lv
- Department of Infection, Hospital of Traditional Chinese Medicine, Xinchang County, No.188 Shijiu Feng Road, Qixing Street, Shaoxing, 312500, China.
| | - Xiaoping Liu
- Department of Infection, Hospital of Traditional Chinese Medicine, Xinchang County, No.188 Shijiu Feng Road, Qixing Street, Shaoxing, 312500, China
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Dwyer C, Sharmin S, Kalincik T. Rates of John Cunningham virus seroconversion greatly reduced in natalizumab-treated patients during COVID-19-related lockdowns. Eur J Neurol 2024; 31:e16059. [PMID: 37707348 PMCID: PMC11235858 DOI: 10.1111/ene.16059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/28/2023] [Accepted: 08/30/2023] [Indexed: 09/15/2023]
Abstract
BACKGROUND AND PURPOSE This study was undertaken to retrospectively compare rates of John Cunningham virus (JCV) seroconversion in natalizumab-treated patients before and during COVID-19-related community restrictions. Natalizumab is highly effective therapy for relapsing-remitting multiple sclerosis. Prolonged exposure to natalizumab in JCV-positive patients can cause progressive multifocal leukoencephalopathy, a potentially fatal brain infection. Serial assessment of JCV status is required for patients receiving natalizumab. METHODS Patients receiving natalizumab at the Royal Melbourne Hospital were assessed for change in JCV serostatus and duration of exposure to natalizumab in two discrete time periods: from 1 February 2012 until 1 February 2017 ("pre-COVID"; n = 128) and from 1 April 2020 until 12 October 2022 ("COVID"; n = 214). A Poisson regression model adjusted for age at natalizumab commencement and sex was used to model seroconversion rate between the two time periods. RESULTS The pre-COVID JCV seroconversion rate among natalizumab-treated patients at the Royal Melbourne Hospital was 9.08%. Conversely, we found a precipitous decline in JCV seroconversion during COVID lockdown. Annualized seroconversion during COVID-19-related restrictions was 2.01%. The annualized seroconversion rate was 4.7 times higher during the pre-COVID-19 period (95% confidence interval = 2.96-7.45, p < 0.0001) compared to the annualized seroconversion rate during COVID lockdown. Males had a 2× higher rate of seroconversion compared to females. CONCLUSIONS JCV seroconversion among natalizumab-treated patients was markedly lower during COVID-19-related community restrictions. Restrictions observed in Melbourne were among the longest and most comprehensive implemented worldwide. This suggests the presence of modifiable risk factors that could lower rates of JCV seroconversion among natalizumab-treated patients.
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Affiliation(s)
- Chris Dwyer
- Neuroimmunology Centre, Department of NeurologyRoyal Melbourne HospitalParkvilleVictoriaAustralia
| | - Sifat Sharmin
- Clinical Outcomes Research Unit (CORe), Department of MedicineUniversity of MelbourneParkvilleVictoriaAustralia
| | - Tomas Kalincik
- Neuroimmunology Centre, Department of NeurologyRoyal Melbourne HospitalParkvilleVictoriaAustralia
- Clinical Outcomes Research Unit (CORe), Department of MedicineUniversity of MelbourneParkvilleVictoriaAustralia
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Pessoa-Gonçalves YM, Farnesi-de-Assunção TS, de Sousa MAD, Ferreira LM, Matos BS, Borges AVB, Oliveira-Scussel ACDM, da Silva AE, Oliveira CJF, da Silva MV, Rodrigues V. Progressive multifocal leukoencephalopathy triggered by COVID-19 in a previously asymptomatic person living with undiagnosed HIV infection. Int J Infect Dis 2023; 137:1-3. [PMID: 37788739 DOI: 10.1016/j.ijid.2023.09.020] [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: 08/14/2023] [Revised: 09/21/2023] [Accepted: 09/24/2023] [Indexed: 10/05/2023] Open
Abstract
This report presents the case of a 47-year-old male patient who worked as a mathematics teacher and experienced the sudden onset of disorientation, aphasia, and acalculia during an online class. The current study reveals the first documented case of HIV and progressive multifocal leukoencephalopathy with the detection of SARS-CoV-2 and human polyomavirus 2 (previously known as John Cunningham virus) in the cerebrospinal fluid. Furthermore, serum analysis revealed elevated concentrations of interleukin (IL)-6, IL-17, and IL-8, which are potential factors known to reduce the expression of tight junctions and adhesion molecules in the extracellular matrix, thereby affecting the permeability of the blood-brain barrier. Finally, the study discusses whether SARS-CoV-2 triggers or exacerbates progressive multifocal leukoencephalopathy.
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Affiliation(s)
- Yago Marcos Pessoa-Gonçalves
- Institute of Natural and Biological Sciences, Department of Microbiology, Immunology and Parasitology, Federal University of Triângulo Mineiro, Uberaba, Brazil
| | - Thaís Soares Farnesi-de-Assunção
- Institute of Natural and Biological Sciences, Department of Microbiology, Immunology and Parasitology, Federal University of Triângulo Mineiro, Uberaba, Brazil
| | | | - Luis Marcos Ferreira
- Institute of Health Sciences, Department of Neurology, Federal University of Triângulo Mineiro, Uberaba, Brazil
| | - Beatriz Sodré Matos
- Institute of Natural and Biological Sciences, Department of Microbiology, Immunology and Parasitology, Federal University of Triângulo Mineiro, Uberaba, Brazil
| | - Anna Victória Bernardes Borges
- Institute of Natural and Biological Sciences, Department of Microbiology, Immunology and Parasitology, Federal University of Triângulo Mineiro, Uberaba, Brazil
| | - Ana Carolina de Morais Oliveira-Scussel
- Institute of Natural and Biological Sciences, Department of Microbiology, Immunology and Parasitology, Federal University of Triângulo Mineiro, Uberaba, Brazil
| | - Alex Eduardo da Silva
- Institute of Health Sciences, Department of Neurology, Federal University of Triângulo Mineiro, Uberaba, Brazil
| | - Carlo José Freire Oliveira
- Institute of Natural and Biological Sciences, Department of Microbiology, Immunology and Parasitology, Federal University of Triângulo Mineiro, Uberaba, Brazil.
| | - Marcos Vinicius da Silva
- Institute of Natural and Biological Sciences, Department of Microbiology, Immunology and Parasitology, Federal University of Triângulo Mineiro, Uberaba, Brazil
| | - Virmondes Rodrigues
- Institute of Natural and Biological Sciences, Department of Microbiology, Immunology and Parasitology, Federal University of Triângulo Mineiro, Uberaba, Brazil
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Butic AB, Spencer SA, Shaheen SK, Lukacher AE. Polyomavirus Wakes Up and Chooses Neurovirulence. Viruses 2023; 15:2112. [PMID: 37896889 PMCID: PMC10612099 DOI: 10.3390/v15102112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/13/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023] Open
Abstract
JC polyomavirus (JCPyV) is a human-specific polyomavirus that establishes a silent lifelong infection in multiple peripheral organs, predominantly those of the urinary tract, of immunocompetent individuals. In immunocompromised settings, however, JCPyV can infiltrate the central nervous system (CNS), where it causes several encephalopathies of high morbidity and mortality. JCPyV-induced progressive multifocal leukoencephalopathy (PML), a devastating demyelinating brain disease, was an AIDS-defining illness before antiretroviral therapy that has "reemerged" as a complication of immunomodulating and chemotherapeutic agents. No effective anti-polyomavirus therapeutics are currently available. How depressed immune status sets the stage for JCPyV resurgence in the urinary tract, how the virus evades pre-existing antiviral antibodies to become viremic, and where/how it enters the CNS are incompletely understood. Addressing these questions requires a tractable animal model of JCPyV CNS infection. Although no animal model can replicate all aspects of any human disease, mouse polyomavirus (MuPyV) in mice and JCPyV in humans share key features of peripheral and CNS infection and antiviral immunity. In this review, we discuss the evidence suggesting how JCPyV migrates from the periphery to the CNS, innate and adaptive immune responses to polyomavirus infection, and how the MuPyV-mouse model provides insights into the pathogenesis of JCPyV CNS disease.
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Affiliation(s)
| | | | | | - Aron E. Lukacher
- Department of Microbiology and Immunology, Penn State College of Medicine, Hershey, PA 17033, USA; (A.B.B.); (S.A.S.); (S.K.S.)
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Rocchi A, Sariyer IK, Berger JR. Revisiting JC virus and progressive multifocal leukoencephalopathy. J Neurovirol 2023; 29:524-537. [PMID: 37659983 DOI: 10.1007/s13365-023-01164-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/10/2023] [Accepted: 07/27/2023] [Indexed: 09/04/2023]
Abstract
Since its definition 65 years ago, progressive multifocal leukoencephalopathy (PML) has continued to devastate a growing population of immunosuppressed patients despite major advances in our understanding of the causative JC virus (JCV). Unless contained by the immune system, JCV lyses host oligodendrocytes collateral to its life cycle, leading to demyelination, neurodegeneration, and death. Novel treatments have stagnated in the absence of an animal model while current antiviral agents fail to address the now ubiquitous polyomavirus. In this review, we highlight the established pathogenesis by which JCV infection progresses to PML, highlighting major challenges that must be overcome to eliminate the underlying virus and, therefore, the debilitating disease.
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Affiliation(s)
- Angela Rocchi
- Department of Microbiology, Immunology and Inflammation, Center for Neurovirology and Gene Editing, Temple University Lewis Katz School of Medicine, Philadelphia, PA, 19140, USA
| | - Ilker K Sariyer
- Department of Microbiology, Immunology and Inflammation, Center for Neurovirology and Gene Editing, Temple University Lewis Katz School of Medicine, Philadelphia, PA, 19140, USA.
| | - Joseph R Berger
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, 3400 Convention Avenue, Philadelphia, PA, 19104, USA.
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