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Pattabiraman C, Prasad P, Sudarshan S, George AK, Sreenivas D, Rasheed R, Ghosh A, Pal A, Hameed SKS, Bandyopadhyay B, Desai A, Vasanthapuram R. Identification and Genomic Characterization of Parvovirus B19V Genotype 3 Viruses from Cases of Meningoencephalitis in West Bengal, India. Microbiol Spectr 2022; 10:e0225121. [PMID: 35412386 PMCID: PMC9045363 DOI: 10.1128/spectrum.02251-21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 03/19/2022] [Indexed: 12/03/2022] Open
Abstract
Brain infections are a major public health problem in India and other parts of the world, causing both mortality and lifelong disability. Even after a thorough investigation, many cases remain without an etiological diagnosis. Primate erythroparvovirus 1 (B19V) has been identified as a pathogen associated with undiagnosed meningoencephalitis in other settings, including the United Kingdom, France, and Latvia. Here, we reported 13/403 (3.2%) B19V PCR positive cases of meningoencephalitis in West Bengal, India. The positive samples were mostly from children (10/13, 76.92%) and presented as a spectrum consisting of acute encephalitis (7/13), acute meningoencephalitis (3/13), and meningitis (3/13). Of the 13 cases, 8/13 (61.5%) had no known etiology and 5/13 (38.5%) had a previous etiological diagnosis. The cases did not cluster in time or by location, suggesting sporadic occurrence rather than outbreaks. We were able to retrieve the complete B19V genomes from cerebrospinal fluid (CSF) in 12/13 cases. The sequences clustered into genotype 3b with complete genomes from Brazil, Ghana, and France, and partial genomes from India and Kyrgyzstan. This is the first report of B19V in cases of neurological infections from India. It highlights the need to evaluate the causal relationship between B19V with meningoencephalitis in the country. These were also the first complete genomes of genotype 3b from CSF and will be critical in the evaluation of the relationship between genotypes and disease. IMPORTANCE Cases of meningoencephalitis with no known etiology remain a major challenge to clinical management of brain infections across the world. In this study, we detected and characterized the whole-genome of primate erythroparvovirus 1 (B19V) in cases of meningoencephalitis in India. Our work highlighted the association between B19V and brain infections which has been reported in other countries. Our work also emphasized the need to examine the role of B19V in meningoencephalitis, specifically whether it caused or contributed to the disease together with other pathogens in India. Our study provided the first 12 genomes of B19V from cerebrospinal fluid. These genomes will contribute to an understanding of how the virus is changing across different locations and over time.
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Affiliation(s)
- Chitra Pattabiraman
- Department of Neurovirology, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Pramada Prasad
- Department of Neurovirology, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Sampada Sudarshan
- Department of Neurovirology, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Anson K. George
- Department of Neurovirology, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Darshan Sreenivas
- Department of Neurovirology, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Risha Rasheed
- Department of Neurovirology, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Ayushman Ghosh
- Department of Neurovirology, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Ananya Pal
- Department of Microbiology, Calcutta School of Tropical Medicine, Kolkata, India
| | - Shafeeq K. Shahul Hameed
- Department of Neurovirology, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Bhaswati Bandyopadhyay
- Virology Unit, Department of Microbiology, Calcutta School of Tropical Medicine, Kolkata, India
| | - Anita Desai
- Department of Neurovirology, National Institute of Mental Health and Neurosciences, Bengaluru, India
| | - Ravi Vasanthapuram
- Department of Neurovirology, National Institute of Mental Health and Neurosciences, Bengaluru, India
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Raadsen M, Du Toit J, Langerak T, van Bussel B, van Gorp E, Goeijenbier M. Thrombocytopenia in Virus Infections. J Clin Med 2021; 10:jcm10040877. [PMID: 33672766 PMCID: PMC7924611 DOI: 10.3390/jcm10040877] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/10/2021] [Accepted: 02/17/2021] [Indexed: 02/07/2023] Open
Abstract
Thrombocytopenia, which signifies a low platelet count usually below 150 × 109/L, is a common finding following or during many viral infections. In clinical medicine, mild thrombocytopenia, combined with lymphopenia in a patient with signs and symptoms of an infectious disease, raises the suspicion of a viral infection. This phenomenon is classically attributed to platelet consumption due to inflammation-induced coagulation, sequestration from the circulation by phagocytosis and hypersplenism, and impaired platelet production due to defective megakaryopoiesis or cytokine-induced myelosuppression. All these mechanisms, while plausible and supported by substantial evidence, regard platelets as passive bystanders during viral infection. However, platelets are increasingly recognized as active players in the (antiviral) immune response and have been shown to interact with cells of the innate and adaptive immune system as well as directly with viruses. These findings can be of interest both for understanding the pathogenesis of viral infectious diseases and predicting outcome. In this review, we will summarize and discuss the literature currently available on various mechanisms within the relationship between thrombocytopenia and virus infections.
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Affiliation(s)
- Matthijs Raadsen
- Department of Viroscience, Erasmus MC Rotterdam, Doctor molewaterplein 40, 3015 GD Rotterdam, The Netherlands; (M.R.); (T.L.); (E.v.G.)
| | - Justin Du Toit
- Department of Haematology, Wits University Donald Gordon Medical Centre Johannesburg, Johannesburg 2041, South Africa;
| | - Thomas Langerak
- Department of Viroscience, Erasmus MC Rotterdam, Doctor molewaterplein 40, 3015 GD Rotterdam, The Netherlands; (M.R.); (T.L.); (E.v.G.)
| | - Bas van Bussel
- Department of Intensive Care Medicine, Maastricht University Medical Center Plus, 6229 HX Maastricht, The Netherlands;
- Care and Public Health Research Institute (CAPHRI), Maastricht University, 6229 GT Maastricht, The Netherlands
| | - Eric van Gorp
- Department of Viroscience, Erasmus MC Rotterdam, Doctor molewaterplein 40, 3015 GD Rotterdam, The Netherlands; (M.R.); (T.L.); (E.v.G.)
- Department of Internal Medicine, Erasmus MC Rotterdam, 3000 CA Rotterdam, The Netherlands
| | - Marco Goeijenbier
- Department of Viroscience, Erasmus MC Rotterdam, Doctor molewaterplein 40, 3015 GD Rotterdam, The Netherlands; (M.R.); (T.L.); (E.v.G.)
- Department of Internal Medicine, Erasmus MC Rotterdam, 3000 CA Rotterdam, The Netherlands
- Correspondence:
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Kishore J, Kishore D. Clinical impact & pathogenic mechanisms of human parvovirus B19: A multiorgan disease inflictor incognito. Indian J Med Res 2019; 148:373-384. [PMID: 30666000 PMCID: PMC6362725 DOI: 10.4103/ijmr.ijmr_533_18] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Human parvovirus B19 (B19V) causes myriads of clinical diseases; however, owing to lack of awareness and undetermined clinical impact, it has failed to become a virus pathogen of global concern. Cryptically, B19V causes significant morbidity and mortality. Half of the world population and 60 per cent of Indians are known to be serologically naive and are at risk of acquiring B19V infections. Cumulatively, our data showed 21.3 per cent B19V-infected patients with juvenile chronic arthropathy, recurrent abortions, multi-transfused thalassaemia and leukaemia. In addition, B19V-infected cases that ended fatally included patients with pure red cell aplasia, fulminant hepatitis and haemophagocytic syndrome. Novel clinical associations of B19V observed were amegakaryocytic thrombocytopaenia, myositis and non-occlusive ischaemic gangrene of bowel. B19V possesses multiple receptors which are distributed widely in human tissues. Vascular endothelial cell infection by B19V causes endothelialitis and vasculitic injuries besides antibody-dependent enhancement which empowered B19V to cause multiorgan diseases. Owing to lack of suitable animal model for B19V, true causal role remains to be determined, but numerous reports on B19V infections substantiate a causal role in multiorgan diseases. Hence, B19V infections need to be recognized, investigated and treated besides making efforts on vaccine developments.
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Affiliation(s)
- Janak Kishore
- Division of Virology, Department of Microbiology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Divya Kishore
- Guru Nanak Eye Centre, Maulana Azad Medical College, New Delhi, India
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Ramanathan S, Narula G, Prasad M, Vora T, Chinnaswamy G, Banavali S. Parvoviral disease in childhood cancer: Clinical outcomes and impact on therapy at a tertiary cancer center in India. Pediatr Blood Cancer 2018; 65:e27357. [PMID: 30058287 DOI: 10.1002/pbc.27357] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 06/16/2018] [Accepted: 06/18/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIM Parvovirus-B19 disease in immunocompromised children can cause myelosuppression and therapeutic delays. We studied the clinical profiles of children having symptoms suggestive of parvoviral disease at our institution, a large tertiary cancer center. METHODS Children below age 15 years undergoing treatment for malignancies with clinical features suggestive of parvoviral infection, and/or unexplained drop in hemoglobin, and/or prolonged cytopenia were screened for parvovirus infection using DNA-PCR for parvovirus-B19 (PB19) in the peripheral blood. Patients testing positive from September 2014 till February 2017 were studied. RESULTS Of the 59 patients (36 patients with hematolymphoid malignancies, 23 with solid tumors) screened for suspected parvoviral infections, 27 tested positive. Median age was 9.6 years (2.25-15 years), 18 (66%) had hematolymphoid malignancies, while 7 (33%) had solid tumors. Six patients (26%) were on intensive phases, 16 (60%) patients developed the symptoms during maintenance chemotherapy, and 4 (15%) after completion of therapy. Isolated anemia was the commonest feature seen in 10 patients (37%) while bicytopenia and pancytopenia were noticed in 8 (30%) and 9 (33%) patients respectively. Fifty percent of patients those who received rituximab (3/6) developed persistent parvoviremia (>4 weeks) as compared with 24% (5/21) of those who did not. Two patients (7%) developed hemophagocytic lymphohistiocytosis (HLH). Treatment delay by more than 14 days was encountered in a majority (62%), with 5 patients requiring treatment modification or even suspension. CONCLUSIONS Parvoviral infection in children who are on or have recently completed chemotherapy can lead to multiple cytopenias and significant treatment delays. Rituximab exposure may lead to persistent parvoviral disease (p < 0.05). HLH, though occasional, can be a serious complication.
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Affiliation(s)
- Subramaniam Ramanathan
- Department of Pediatric Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India.,Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Gaurav Narula
- Department of Pediatric Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India.,Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Maya Prasad
- Department of Pediatric Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India.,Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Tushar Vora
- Department of Pediatric Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India.,Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Girish Chinnaswamy
- Department of Pediatric Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India.,Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Shripad Banavali
- Department of Pediatric Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India.,Homi Bhabha National Institute, Mumbai, Maharashtra, India
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Affiliation(s)
- Giorgio Gallinella
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
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Jain A, Kant R. Genotypes of erythrovirus B19, their geographical distribution & circulation in cases with various clinical manifestations. Indian J Med Res 2018; 147:239-247. [PMID: 29923512 PMCID: PMC6022381 DOI: 10.4103/ijmr.ijmr_1816_16] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Indexed: 11/16/2022] Open
Abstract
Erythrovirus B19 (B19V) is one of the erythroviruses known to be pathogenic in humans. B19V is classified into three distinct genotypes; 1, 2 and 3, differing from each other by 2-13 per cent. Genotype 1 consists of the prototype B19V isolates, genotype 2 comprises the A6, LaLi and their related isolates while genotype 3 includes the V9- and V9-related isolates. The classification of genotype 1 into two subtypes (1A and 1B) and genotype 3 into two subtypes (3a and 3b) with an estimated nucleotide difference of about 5 per cent has been done. Predominance of genotype 1 across all the continents is seen followed by genotypes 2 and 3. There are no disease-specific genotypes. All the three genotypes have been found in symptomatic as well as asymptomatic individuals and have been reported from several countries across the world. The prevalence of genotype 2 in older populations and its absence from current circulation in Northern Europe has also been reported. The present review focuses on geographic distribution and association of genotypes of B19V with different clinical manifestations.
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Affiliation(s)
- Amita Jain
- Department of Microbiology, K.G. Medical University, Lucknow, India
| | - Ravi Kant
- Former Vice-Chancellor, K.G. Medical University, Lucknow, India
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Jain A, Jain P, Kumar A, Prakash S, Khan DN, Kant R. Incidence and progression of Parvovirus B19 infection and molecular changes in circulating B19V strains in children with haematological malignancy: A follow up study. INFECTION GENETICS AND EVOLUTION 2017; 57:177-184. [PMID: 29170063 DOI: 10.1016/j.meegid.2017.11.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 10/11/2017] [Accepted: 11/19/2017] [Indexed: 10/18/2022]
Abstract
The present study was planned to estimate the incidence of human Parvovirus B19 infection and understand its progression in children suffering with hematological malignancy. The circulating B19V genotypes and viral mutations occurring in strains of B19V over one-year period were also studied. Children with malignancies were enrolled consecutively and were followed up for one-year period. Serum sample was collected at the time of enrolment and each follow up visit and was tested for anti B19V IgG and IgM as well as for B19V DNA. At least one B19V DNA positive sample from each patient was processed for sequencing. For patients positive for B19V DNA >1 time and at least 6 months apart, last positive sample from the same patient was also sequenced to study the nucleotide change over time. We have found very high incidence of B19V infection (100%) in the study population. All the patients tested positive for at least one B19V infection parameter (either antibodies or DNA) at least once, over one year of follow up. Cumulative percent positivity of anti B19V IgG, anti B19V IgM and B19V DNA was 85.3%, 45.2% and 72.1% respectively. Genotype 3b was reported, with occasional nucleotide change over one year period. DNA clearance was delayed in spite of appearance of IgG antibodies. Appearance of IgM class of antibodies was either delayed or absent. To conclude, children with haematological malignancies have high incidence of B19V infection with late and short lived serological response and persistence of DNA for long duration.
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Affiliation(s)
- Amita Jain
- Department of Microbiology, King George's Medical University, Lucknow, UP, India.
| | - Parul Jain
- Department of Microbiology, King George's Medical University, Lucknow, UP, India
| | - Archana Kumar
- Department of Paediatrics, King George's Medical University, Lucknow, UP, India
| | - Shantanu Prakash
- Department of Microbiology, King George's Medical University, Lucknow, UP, India
| | - Danish Nasar Khan
- Department of Microbiology, King George's Medical University, Lucknow, UP, India
| | - Ravi Kant
- Vice Chancellor (ex), King George's Medical University, Lucknow, UP, India
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