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Timmerman AL, Commandeur L, Deijs M, Burggraaff MGJM, Lavell AHA, van der Straten K, Tejjani K, van Rijswijk J, van Gils MJ, Sikkens JJ, Bomers MK, van der Hoek L. The Impact of First-Time SARS-CoV-2 Infection on Human Anelloviruses. Viruses 2024; 16:99. [PMID: 38257799 PMCID: PMC10818381 DOI: 10.3390/v16010099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 01/24/2024] Open
Abstract
Members of the Anelloviridae family dominate the blood virome, emerging early in life. The anellome, representing the variety of anelloviruses within an individual, stabilizes by adulthood. Despite their supposedly commensal nature, elevated anellovirus concentrations under immunosuppressive treatment indicate an equilibrium controlled by immunity. Here, we investigated whether anelloviruses are sensitive to the immune activation that accompanies a secondary infection. As a model, we investigated 19 health care workers (HCWs) with initial SARS-CoV-2 infection, with blood sampling performed pre and post infection every 4 weeks in a 3-month-follow-up during the early 2020 COVID-19 pandemic. A concurrently followed control group (n = 27) remained SARS-CoV-2-negative. Serum anellovirus loads were measured using qPCR. A significant decrease in anellovirus load was found in the first weeks after SARS-CoV-2 infection, whereas anellovirus concentrations remained stable in the uninfected control group. A restored anellovirus load was seen approximately 10 weeks after SARS-CoV-2 infection. For five subjects, an in-time anellome analysis via Illumina sequencing could be performed. In three of the five HCWs, the anellome visibly changed during SARS-CoV-2 infection and returned to baseline in two of these cases. In conclusion, anellovirus loads in blood can temporarily decrease upon an acute secondary infection.
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Affiliation(s)
- Anne L. Timmerman
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.L.T.); (L.C.); (M.D.); (M.G.J.M.B.); (K.T.); (J.v.R.); (M.J.v.G.)
- Amsterdam Institute for Infection and Immunity, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands (J.J.S.); (M.K.B.)
| | - Lisanne Commandeur
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.L.T.); (L.C.); (M.D.); (M.G.J.M.B.); (K.T.); (J.v.R.); (M.J.v.G.)
- Amsterdam Institute for Infection and Immunity, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands (J.J.S.); (M.K.B.)
| | - Martin Deijs
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.L.T.); (L.C.); (M.D.); (M.G.J.M.B.); (K.T.); (J.v.R.); (M.J.v.G.)
- Amsterdam Institute for Infection and Immunity, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands (J.J.S.); (M.K.B.)
| | - Maarten G. J. M. Burggraaff
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.L.T.); (L.C.); (M.D.); (M.G.J.M.B.); (K.T.); (J.v.R.); (M.J.v.G.)
- Amsterdam Institute for Infection and Immunity, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands (J.J.S.); (M.K.B.)
| | - A. H. Ayesha Lavell
- Amsterdam Institute for Infection and Immunity, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands (J.J.S.); (M.K.B.)
- Department of Internal Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
| | - Karlijn van der Straten
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.L.T.); (L.C.); (M.D.); (M.G.J.M.B.); (K.T.); (J.v.R.); (M.J.v.G.)
- Amsterdam Institute for Infection and Immunity, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands (J.J.S.); (M.K.B.)
- Department of Internal Medicine, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Khadija Tejjani
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.L.T.); (L.C.); (M.D.); (M.G.J.M.B.); (K.T.); (J.v.R.); (M.J.v.G.)
- Amsterdam Institute for Infection and Immunity, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands (J.J.S.); (M.K.B.)
| | - Jacqueline van Rijswijk
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.L.T.); (L.C.); (M.D.); (M.G.J.M.B.); (K.T.); (J.v.R.); (M.J.v.G.)
- Amsterdam Institute for Infection and Immunity, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands (J.J.S.); (M.K.B.)
| | - Marit J. van Gils
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.L.T.); (L.C.); (M.D.); (M.G.J.M.B.); (K.T.); (J.v.R.); (M.J.v.G.)
- Amsterdam Institute for Infection and Immunity, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands (J.J.S.); (M.K.B.)
| | - Jonne J. Sikkens
- Amsterdam Institute for Infection and Immunity, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands (J.J.S.); (M.K.B.)
- Department of Internal Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
| | - Marije K. Bomers
- Amsterdam Institute for Infection and Immunity, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands (J.J.S.); (M.K.B.)
- Department of Internal Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
| | - Lia van der Hoek
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.L.T.); (L.C.); (M.D.); (M.G.J.M.B.); (K.T.); (J.v.R.); (M.J.v.G.)
- Amsterdam Institute for Infection and Immunity, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands (J.J.S.); (M.K.B.)
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Spezia PG, Focosi D, Baj A, Novazzi F, Ferrante FD, Carletti F, Minosse C, Matusali G, Maggi F. TTV and other anelloviruses: The astonishingly wide spread of a viral infection. Asp Mol Med 2023; 1:None. [PMID: 37398508 PMCID: PMC10308510 DOI: 10.1016/j.amolm.2023.100006] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 03/17/2023] [Accepted: 03/19/2023] [Indexed: 07/04/2023]
Abstract
The broad family of viruses known as anelloviruses (AV) infects both humans and numerous animal species. They have a tiny, covalently closed single-stranded DNA genome and the astonishing capacity to infect a very high percentage of healthy and ill people with chronic infections that could last a lifetime. AV, and particularly the prototype Torquetenovirus, have established a successful interaction with the host's immune system and the rate at which they replicate is a gauge to measure overall immune function, even though many aspects of their life cycle and pathogenesis are still poorly understood.
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Affiliation(s)
| | - Daniele Focosi
- North-Western Tuscany Blood Bank, Pisa University Hospital, Pisa, Italy
| | - Andreina Baj
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Federica Novazzi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | | | - Fabrizio Carletti
- Laboratory of Virology and Biosafety Laboratories, National Institute of Infectious Diseases “L. Spallanzani” IRCCS, Rome, Italy
| | - Claudia Minosse
- Laboratory of Virology and Biosafety Laboratories, National Institute of Infectious Diseases “L. Spallanzani” IRCCS, Rome, Italy
| | - Giulia Matusali
- Laboratory of Virology and Biosafety Laboratories, National Institute of Infectious Diseases “L. Spallanzani” IRCCS, Rome, Italy
| | - Fabrizio Maggi
- Laboratory of Virology and Biosafety Laboratories, National Institute of Infectious Diseases “L. Spallanzani” IRCCS, Rome, Italy
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Spandole-Dinu S, Cimponeriu DG, Crăciun AM, Radu I, Nica S, Toma M, Alexiu OA, Iorga CS, Berca LM, Nica R. Prevalence of human anelloviruses in Romanian healthy subjects and patients with common pathologies. BMC Infect Dis 2018; 18:334. [PMID: 30016934 PMCID: PMC6050727 DOI: 10.1186/s12879-018-3248-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 07/10/2018] [Indexed: 01/03/2023] Open
Abstract
Background Human anelloviruses (TTV, TTMDV and TTMV) are at high prevalence all across the globe, having also a controversial disease-inducing potential. This study aimed to estimate the prevalence of anelloviral DNA in the Romanian human population and to investigate the association of infections with common pathologies in Romanian population. Methods After informed consent, blood samples were collected from 2000 subjects represented by: clinically healthy individuals (n = 701) and a group of patients with pathologies linked to low grade inflammation or alteration of carbohydrate metabolism (n = 1299). All samples were analysed for the presence of TTV, TTMDV and TTMV DNA by hemi-nested PCR. Results The prevalence of TTV, TTMDV and TTMV in the studied population was 68.2, 54.4%, respectively 40.1%, lower than the recent reports from other geographic regions. The three viral species were significantly more frequent in the group of patients compared to the healthy subjects and were associated with type 2 diabetes mellitus. The presence of anelloviral DNA was also associated with medical procedures (e.g. haemodialysis/transfusions, surgical procedures) and previous hepatitis A virus infection. Lifestyle choices related to alcohol consumption, smoking, physical activity and living environment were not associated with differences in distribution of the three viruses. Conclusion Further evidence is needed to establish a correlation between infection with human anelloviruses and a pathology or group of pathologies.
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Affiliation(s)
| | | | - Anne-Marie Crăciun
- Nutrition and Metabolic Diseases Dr. N. Paulescu, National Institute of Diabetes, Bucharest, Romania
| | - Irina Radu
- Department of Genetics, University of Bucharest, Bucharest, Romania
| | - Silvia Nica
- Bucharest Emergency University Hospital, Bucharest, Romania
| | - Mihai Toma
- Department of Genetics, University of Bucharest, Bucharest, Romania.,Dr. Carol Davila Central Military Emergency University Hospital, Bucharest, Romania
| | | | - Corneliu Sorin Iorga
- National Institute of Research and Development for Food Bioresources, 6 Dinu Vintila, 021102, Bucharest, Romania
| | - Lavinia-Mariana Berca
- National Institute of Research and Development for Food Bioresources, 6 Dinu Vintila, 021102, Bucharest, Romania.
| | - Remus Nica
- Dr. Carol Davila Central Military Emergency University Hospital, Bucharest, Romania
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