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Belean A, Xue E, Cisneros B, Roberson EDO, Paley MA, Bigley TM. Transcriptomic profiling of thymic dysregulation and viral tropism after neonatal roseolovirus infection. Front Immunol 2024; 15:1375508. [PMID: 38895117 PMCID: PMC11183875 DOI: 10.3389/fimmu.2024.1375508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 05/10/2024] [Indexed: 06/21/2024] Open
Abstract
Introduction Herpesviruses, including the roseoloviruses, have been linked to autoimmune disease. The ubiquitous and chronic nature of these infections have made it difficult to establish a causal relationship between acute infection and subsequent development of autoimmunity. We have shown that murine roseolovirus (MRV), which is highly related to human roseoloviruses, induces thymic atrophy and disruption of central tolerance after neonatal infection. Moreover, neonatal MRV infection results in development of autoimmunity in adult mice, long after resolution of acute infection. This suggests that MRV induces durable immune dysregulation. Methods In the current studies, we utilized single-cell RNA sequencing (scRNAseq) to study the tropism of MRV in the thymus and determine cellular processes in the thymus that were disrupted by neonatal MRV infection. We then utilized tropism data to establish a cell culture system. Results Herein, we describe how MRV alters the thymic transcriptome during acute neonatal infection. We found that MRV infection resulted in major shifts in inflammatory, differentiation and cell cycle pathways in the infected thymus. We also observed shifts in the relative number of specific cell populations. Moreover, utilizing expression of late viral transcripts as a proxy of viral replication, we identified the cellular tropism of MRV in the thymus. This approach demonstrated that double negative, double positive, and CD4 single positive thymocytes, as well as medullary thymic epithelial cells were infected by MRV in vivo. Finally, by applying pseudotime analysis to viral transcripts, which we refer to as "pseudokinetics," we identified viral gene transcription patterns associated with specific cell types and infection status. We utilized this information to establish the first cell culture systems susceptible to MRV infection in vitro. Conclusion Our research provides the first complete picture of roseolovirus tropism in the thymus after neonatal infection. Additionally, we identified major transcriptomic alterations in cell populations in the thymus during acute neonatal MRV infection. These studies offer important insight into the early events that occur after neonatal MRV infection that disrupt central tolerance and promote autoimmune disease.
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Affiliation(s)
- Andrei Belean
- Division of Rheumatology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, United States
| | - Eden Xue
- Division of Rheumatology, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, United States
| | - Benjamin Cisneros
- Division of Rheumatology, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, United States
| | - Elisha D. O. Roberson
- Division of Rheumatology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, United States
- Division of Rheumatology, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, United States
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, United States
| | - Michael A. Paley
- Division of Rheumatology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, United States
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, United States
| | - Tarin M. Bigley
- Division of Rheumatology, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, United States
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, United States
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, United States
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2
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Hill JA, Lee YJ, Vande Vusse LK, Xie H, Chung EL, Waghmare A, Cheng GS, Zhu H, Huang ML, Hill GR, Jerome KR, Leisenring WM, Zerr DM, Gharib SA, Dadwal S, Boeckh M. HHV-6B detection and host gene expression implicate HHV-6B as pulmonary pathogen after hematopoietic cell transplant. Nat Commun 2024; 15:542. [PMID: 38228644 PMCID: PMC10791683 DOI: 10.1038/s41467-024-44828-9] [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: 09/21/2023] [Accepted: 01/05/2024] [Indexed: 01/18/2024] Open
Abstract
Limited understanding of the immunopathogenesis of human herpesvirus 6B (HHV-6B) has prevented its acceptance as a pulmonary pathogen after hematopoietic cell transplant (HCT). In this prospective multicenter study of patients undergoing bronchoalveolar lavage (BAL) for pneumonia after allogeneic HCT, we test blood and BAL fluid (BALF) for HHV-6B DNA and mRNA transcripts associated with lytic infection and perform RNA-seq on paired blood. Among 116 participants, HHV-6B DNA is detected in 37% of BALs, 49% of which also have HHV-6B mRNA detection. We establish HHV-6B DNA viral load thresholds in BALF that are highly predictive of HHV-6B mRNA detection and associated with increased risk for overall mortality and death from respiratory failure. Participants with HHV-6B DNA in BALF exhibit distinct host gene expression signatures, notable for enriched interferon signaling pathways in participants clinically diagnosed with idiopathic pneumonia. These data implicate HHV-6B as a pulmonary pathogen after allogeneic HCT.
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Affiliation(s)
- Joshua A Hill
- Department of Medicine, University of Washington, 1959 NE Pacific St, Seattle, WA, 98195, USA.
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA.
- Clinical Research Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA.
| | - Yeon Joo Lee
- Infectious Diseases Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, 1275 York Ave, New York, NY, 10065, USA
- Weill Cornell Medical College, 400 E 67th St, New York, NY, 10065, USA
| | - Lisa K Vande Vusse
- Department of Medicine, University of Washington, 1959 NE Pacific St, Seattle, WA, 98195, USA
| | - Hu Xie
- Clinical Research Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - E Lisa Chung
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Alpana Waghmare
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
- Seattle Children's Hospital, 4800 Sand Point Way NE, Seattle, WA, 98105, USA
| | - Guang-Shing Cheng
- Department of Medicine, University of Washington, 1959 NE Pacific St, Seattle, WA, 98195, USA
- Clinical Research Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Haiying Zhu
- Department of Laboratory Medicine and Pathology, University of Washington, 1959 NE Pacific St, Seattle, WA, 98195, USA
| | - Meei-Li Huang
- Department of Laboratory Medicine and Pathology, University of Washington, 1959 NE Pacific St, Seattle, WA, 98195, USA
| | - Geoffrey R Hill
- Clinical Research Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
- Translational Science and Therapeutics Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Keith R Jerome
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
- Department of Laboratory Medicine and Pathology, University of Washington, 1959 NE Pacific St, Seattle, WA, 98195, USA
| | - Wendy M Leisenring
- Clinical Research Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Danielle M Zerr
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
- Seattle Children's Hospital, 4800 Sand Point Way NE, Seattle, WA, 98105, USA
| | - Sina A Gharib
- Department of Medicine, University of Washington, 1959 NE Pacific St, Seattle, WA, 98195, USA
| | - Sanjeet Dadwal
- City of Hope National Medical Center, 1500 E Duarte Rd, Duarte, CA, 91010, USA
| | - Michael Boeckh
- Department of Medicine, University of Washington, 1959 NE Pacific St, Seattle, WA, 98195, USA
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
- Clinical Research Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
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3
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Miranda JL. Single-Cell Transcriptomics of Epstein-Barr Virus and Human Herpesvirus 6 Coinfection. Microbiol Resour Announc 2023:e0034223. [PMID: 37338391 DOI: 10.1128/mra.00342-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 06/06/2023] [Indexed: 06/21/2023] Open
Abstract
Epstein-Barr virus (EBV) and human herpesvirus 6 (HHV-6) infections are widespread in human populations. Here, I describe single-cell RNA sequencing of two lymphoblastoid cell lines harboring both episomal EBV and inherited chromosomally integrated HHV-6. Rare instances of HHV-6 expression appear enriched with EBV reactivation.
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Affiliation(s)
- Jj L Miranda
- Department of Biology, Barnard College, Columbia University, New York, New York, USA
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4
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Izquierdo L, Canivet CM, De Martin E, Antonini TM, Roque-Afonso AM, Coilly A, Deback C. Investigation of Inherited Chromosomally Integrated Human Herpesvirus-6A+ and -6B+ in a Patient with Ulipristal Acetate-Induced Fulminant Hepatic Failure. Viruses 2021; 14:v14010062. [PMID: 35062266 PMCID: PMC8778448 DOI: 10.3390/v14010062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/23/2021] [Accepted: 12/27/2021] [Indexed: 01/01/2023] Open
Abstract
Inherited chromosomally integrated (ici) human herpes virus 6 (HHV-6) is estimated to occur in 0.6–2.7% of people worldwide. HHV-6 comprises two distinct species: HHV-6A and HHV-6B. Both HHV-6A and HHV-6B integration have been reported. Several drugs are capable of activating iciHHV-6 in tissues, the consequences of which are poorly understood. We report herein a case of a woman with iciHHV-6A+ and iciHHV-6B+, who developed ulipristal acetate (a selective progesterone receptor modulator)-induced fulminant hepatic failure that required liver transplantation. We confirmed the presence of ~one copy per cell of both HHV-6A and HHV-6B DNA in her hair follicles using multiplex HHV-6A/B real-time PCR and demonstrated the Mendelian inheritance of both iciHHV-6A and iciHHV-6B in her family members over three generations. Because of the rarity of this presentation, we discuss herein the possible links between reactivated HHV-6 from iciHHV-6A and/or iciHHV-6B and adverse drug reactions, suggesting that iciHHV-6 could be screened before the introduction of any hepatotoxic drugs to exclude HHV-6 active disease or combined idiosyncratic drug-induced liver injury in these patients.
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Affiliation(s)
- Laure Izquierdo
- Laboratoire de Virologie, Institut National de la Santé et de la Recherche Médicale Unité 1193 AP-HP, Hôpitaux Universitaires Paris Saclay, Hôpital Paul-Brousse, 94800 Villejuif, France; (L.I.); (A.-M.R.-A.)
| | - Clémence M. Canivet
- Laboratoire HIFIH, UPRES EA3859, SFR 4208, Service d’Hépato-Gastroentérologie et Oncologie Digestive, Centre Hospitalier Universitaire d’Angers, Université d’Angers, 49000 Angers, France;
| | - Eleonora De Martin
- Centre Hépato-Biliaire, AP-HP, Institut National de la Santé et de la Recherche Médicale Unité 1193, Hôpitaux Universitaires Paris Saclay, Hôpital Paul-Brousse, 94800 Villejuif, France; (E.D.M.); (T.M.A.); (A.C.)
| | - Teresa M. Antonini
- Centre Hépato-Biliaire, AP-HP, Institut National de la Santé et de la Recherche Médicale Unité 1193, Hôpitaux Universitaires Paris Saclay, Hôpital Paul-Brousse, 94800 Villejuif, France; (E.D.M.); (T.M.A.); (A.C.)
| | - Anne-Marie Roque-Afonso
- Laboratoire de Virologie, Institut National de la Santé et de la Recherche Médicale Unité 1193 AP-HP, Hôpitaux Universitaires Paris Saclay, Hôpital Paul-Brousse, 94800 Villejuif, France; (L.I.); (A.-M.R.-A.)
| | - Audrey Coilly
- Centre Hépato-Biliaire, AP-HP, Institut National de la Santé et de la Recherche Médicale Unité 1193, Hôpitaux Universitaires Paris Saclay, Hôpital Paul-Brousse, 94800 Villejuif, France; (E.D.M.); (T.M.A.); (A.C.)
| | - Claire Deback
- Laboratoire de Virologie, AP-HP, Hôpitaux Universitaires Paris Saclay, Hôpital Paul-Brousse, 94800 Villejuif, France
- Inserm U996, Inflammation, Microbiome and Immunosurveillance, Université Paris-Saclay, 92140 Clamart, France
- Correspondence: ; Tel.: +33-141-28-80-00
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Obeid M, Gakhal I, McDonald PJ. Persistent viremia in an immunocompetent patient with inherited chromosomally integrated HHV-6B. Access Microbiol 2021; 3:000256. [PMID: 34888484 PMCID: PMC8650848 DOI: 10.1099/acmi.0.000256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 07/05/2021] [Indexed: 11/18/2022] Open
Abstract
Human herpesvirus-6 (HHV-6), the virus which causes roseola, has traditionally been associated with benign and self-limited childhood illness. However, HHV-6 establishes lifelong latency and can reactivate in immunocompromised adult patients. In about 1% of cases, it integrates into the human genome as inherited chromosomally integrated HHV-6 (iciHHV-6). We report the case of a 70-year-old man presenting with altered mental status and agitation. His infectious workup revealed a cerebrospinal fluid sample positive for HHV-6 with virus detectable in the blood as well. He was subsequently treated with ganciclovir. HHV-6 viremia (DNAemia) persisted, and the antiviral medications were switched to foscarnet under the assumption of treatment failure due to drug resistance. After several admissions to the hospital for the same complaint, and after noticing that DNAemia persisted despite adequate treatment for HHV-6, infectious disease specialists ordered testing for chromosomally integrated virus. Test results confirmed the presence of iciHHV-6, explaining his consistently elevated serum viral load. Primary HHV-6 infection in adults causes a transient increase in viral load with resolution and clearance after a few weeks while iciHHV-6 is characterized by persistent detection of viral DNA at a high copy number. Individuals with iciHHV-6 can develop HHV-6 disease and are at increased risk for active viral replication when treated with immunosuppressive medications, but only mRNA testing, which is not widely available can differentiate between latent and active infection. This makes the decision to treat challenging in this patient population. When faced with a positive HHV-6 DNA result in the setting of equivocal symptoms, clinicians should consider the possibility of chromosomally integrated virus rather than drug-resistant virus in order to reduce exposure to potentially toxic antiviral medications.
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Affiliation(s)
- Michele Obeid
- Department of Internal Medicine, Hurley Medical Center/Michigan State University, Flint, Michigan, USA
| | - Inderdeep Gakhal
- Department of Internal Medicine, Hurley Medical Center/Michigan State University, Flint, Michigan, USA
| | - Philip J. McDonald
- Department of Internal Medicine, Hurley Medical Center/Michigan State University, Flint, Michigan, USA
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6
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Heldman MR, Job C, Maalouf J, Morris J, Xie H, Davis C, Stevens-Ayers T, Huang ML, Jerome KR, Fann JR, Zerr DM, Boeckh M, Hill JA. Association of Inherited Chromosomally Integrated Human Herpesvirus 6 with Neurologic Symptoms and Management after Allogeneic Hematopoietic Cell Transplantation. Transplant Cell Ther 2021; 27:795.e1-795.e8. [PMID: 34111575 DOI: 10.1016/j.jtct.2021.05.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 05/19/2021] [Accepted: 05/31/2021] [Indexed: 11/30/2022]
Abstract
Reactivation of human herpesvirus 6 (HHV-6) after allogeneic hematopoietic cell transplantation (HCT) is associated with neurologic complications, but the impact of donor and/or recipient inherited chromosomally integrated HHV-6 (iciHHV-6) on post-HCT central nervous system (CNS) symptoms and diagnostic and therapeutic interventions is not well understood. The aims of the present study were (1) to compare the cumulative incidence of CNS symptoms in the first 100 days following allogeneic HCT among patients with donor and/or recipient iciHHV-6 (iciHHV-6pos)with that of patients with neither donor nor recipient iciHHV-6 (iciHHV-6neg) and (2) to assess the role of HHV-6 detection in driving potentially unnecessary interventions in iciHHV-6pos patients. We performed a retrospective matched cohort study of 87 iciHHV-6pos and 174 iciHHV-6neg allogeneic HCT recipients. HHV-6 testing was performed at the discretion of healthcare providers, who were unaware of iciHHV-6 status. The cumulative incidence of CNS symptoms was similar in iciHHV-6pos (n = 37; 43%) and iciHHV-6neg HCT recipients (n = 81; 47%; P = .63). HHV-6 plasma testing was performed in similar proportions of iciHHV-6pos (n = 6; 7%) and iciHHV-6neg (9%) patients and was detected in all tested iciHHV-6pos HCTs and 2 (13%) iciHHV-6neg HCTs. This resulted in more frequent HHV-6-targeted antiviral therapy after iciHHV-6pos HCT (odds ratio, 12.8; 95% confidence interval, 1.5 to 108.2) with associated side effects. HHV-6 plasma detection in 2 iciHHV-6pos patients without active CNS symptoms prompted unnecessary lumbar punctures. The cumulative incidence of CNS symptoms was similar after allogeneic HCT involving recipients or donors with and without iciHHV-6. Misattribution of HHV-6 detection as infection after iciHHV-6pos HCT may lead to unnecessary interventions. Testing for iciHHV-6 may improve patient management.
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Affiliation(s)
- Madeleine R Heldman
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, Washington; Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, Washington.
| | - Cassandra Job
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, Washington
| | - Joyce Maalouf
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, Washington
| | - Jessica Morris
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, Washington
| | - Hu Xie
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, Washington
| | - Chris Davis
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, Washington
| | - Terry Stevens-Ayers
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, Washington
| | - Meei-Li Huang
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, Washington; Department of Laboratory Medicine and Pathology, University of Washington, Seattle, Washington
| | - Keith R Jerome
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, Washington; Department of Laboratory Medicine and Pathology, University of Washington, Seattle, Washington
| | - Jesse R Fann
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington
| | - Danielle M Zerr
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, Washington; Department of Pediatrics, University of Washington, Seattle, Washington
| | - Michael Boeckh
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, Washington; Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, Washington
| | - Joshua A Hill
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, Washington; Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, Washington.
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Abstract
The "omics" revolution of recent years has simplified the study of RNA transcripts produced during viral infection and under specific defined conditions. In the quest to find new and differentially expressed transcripts during the course of human Herpesvirus 6B (HHV-6B) infection, we made use of large-scale RNA sequencing to analyze the HHV-6B transcriptome during productive infection of human Molt-3 T-cells. Analyses were performed at different time points following infection and specific inhibitors were used to classify the kinetic class of each open reading frame (ORF) reported in the annotated genome of HHV-6B Z29 strain. The initial search focussed on HHV-6B-specific reads matching new HHV-6B transcripts. Differential expression of new HHV-6B transcripts were observed in all samples analyzed. The presence of many of these new HHV-6B transcripts were confirmed by RT-PCR and Sanger sequencing. Many of these transcripts represented new splice variants of previously reported ORFs, including some transcripts that have yet to be defined. Overall, our work demonstrates the diversity and the complexity of the HHV-6B transcriptome.IMPORTANCERNA sequencing (RNA-seq) is an important tool for studying RNA transcripts, particularly during active viral infection. We made use of RNA-seq to study human Herpesvirus 6B (HHV-6B) infection. Using six different time points, we were able to identify the presence of differentially spliced genes at 6, 9, 12, 24, 48 and 72 hours post-infection. Determination of the RNA profiles in the presence of cycloheximide (CHX) or phosphonoacetic acid (PAA) also permitted identification of the kinetic class of each ORF described in the annotated GenBank file. We also identified new spliced transcripts for certain genes and evaluated their relative expression over time. These data and next-generation sequencing (NGS) of the viral DNA have led us to propose a new version of the HHV-6B Z29 GenBank annotated file, without changing ORF names in order to facilitate trace back and correlate our work with previous studies on HHV-6B.
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8
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Aschenbrenner AC, Mouktaroudi M, Krämer B, Oestreich M, Antonakos N, Nuesch-Germano M, Gkizeli K, Bonaguro L, Reusch N, Baßler K, Saridaki M, Knoll R, Pecht T, Kapellos TS, Doulou S, Kröger C, Herbert M, Holsten L, Horne A, Gemünd ID, Rovina N, Agrawal S, Dahm K, van Uelft M, Drews A, Lenkeit L, Bruse N, Gerretsen J, Gierlich J, Becker M, Händler K, Kraut M, Theis H, Mengiste S, De Domenico E, Schulte-Schrepping J, Seep L, Raabe J, Hoffmeister C, ToVinh M, Keitel V, Rieke G, Talevi V, Skowasch D, Aziz NA, Pickkers P, van de Veerdonk FL, Netea MG, Schultze JL, Kox M, Breteler MMB, Nattermann J, Koutsoukou A, Giamarellos-Bourboulis EJ, Ulas T. Disease severity-specific neutrophil signatures in blood transcriptomes stratify COVID-19 patients. Genome Med 2021; 13:7. [PMID: 33441124 DOI: 10.1101/2020.07.07.20148395] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 12/18/2020] [Indexed: 05/18/2023] Open
Abstract
BACKGROUND The SARS-CoV-2 pandemic is currently leading to increasing numbers of COVID-19 patients all over the world. Clinical presentations range from asymptomatic, mild respiratory tract infection, to severe cases with acute respiratory distress syndrome, respiratory failure, and death. Reports on a dysregulated immune system in the severe cases call for a better characterization and understanding of the changes in the immune system. METHODS In order to dissect COVID-19-driven immune host responses, we performed RNA-seq of whole blood cell transcriptomes and granulocyte preparations from mild and severe COVID-19 patients and analyzed the data using a combination of conventional and data-driven co-expression analysis. Additionally, publicly available data was used to show the distinction from COVID-19 to other diseases. Reverse drug target prediction was used to identify known or novel drug candidates based on finding from data-driven findings. RESULTS Here, we profiled whole blood transcriptomes of 39 COVID-19 patients and 10 control donors enabling a data-driven stratification based on molecular phenotype. Neutrophil activation-associated signatures were prominently enriched in severe patient groups, which was corroborated in whole blood transcriptomes from an independent second cohort of 30 as well as in granulocyte samples from a third cohort of 16 COVID-19 patients (44 samples). Comparison of COVID-19 blood transcriptomes with those of a collection of over 3100 samples derived from 12 different viral infections, inflammatory diseases, and independent control samples revealed highly specific transcriptome signatures for COVID-19. Further, stratified transcriptomes predicted patient subgroup-specific drug candidates targeting the dysregulated systemic immune response of the host. CONCLUSIONS Our study provides novel insights in the distinct molecular subgroups or phenotypes that are not simply explained by clinical parameters. We show that whole blood transcriptomes are extremely informative for COVID-19 since they capture granulocytes which are major drivers of disease severity.
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Affiliation(s)
- Anna C Aschenbrenner
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
- Department of Internal Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Maria Mouktaroudi
- 4th Department of Internal Medicine, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Benjamin Krämer
- Department I of Internal Medicine, University Hospital of Bonn (UKB), Bonn, Germany
| | - Marie Oestreich
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Nikolaos Antonakos
- 4th Department of Internal Medicine, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Melanie Nuesch-Germano
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Konstantina Gkizeli
- 4th Department of Internal Medicine, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Lorenzo Bonaguro
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Nico Reusch
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Kevin Baßler
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Maria Saridaki
- 4th Department of Internal Medicine, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Rainer Knoll
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Tal Pecht
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Theodore S Kapellos
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Sarandia Doulou
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Charlotte Kröger
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Miriam Herbert
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Lisa Holsten
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Arik Horne
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Ioanna D Gemünd
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Nikoletta Rovina
- 1st Department of Pulmonary Medicine and Intensive Care Unit, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Shobhit Agrawal
- West German Genome Center (WGGC), University of Bonn, Bonn, Germany
| | - Kilian Dahm
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Martina van Uelft
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Anna Drews
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
| | - Lena Lenkeit
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Niklas Bruse
- Department of Intensive Care Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jelle Gerretsen
- Department of Intensive Care Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jannik Gierlich
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Matthias Becker
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
| | - Kristian Händler
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
| | - Michael Kraut
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
| | - Heidi Theis
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
| | - Simachew Mengiste
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Elena De Domenico
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
| | - Jonas Schulte-Schrepping
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Lea Seep
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Jan Raabe
- Department I of Internal Medicine, University Hospital of Bonn (UKB), Bonn, Germany
| | | | - Michael ToVinh
- Department I of Internal Medicine, University Hospital of Bonn (UKB), Bonn, Germany
| | - Verena Keitel
- Department of Gastroenterology, Hepatology and Infectious Diseases, University Hospital Düsseldorf, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Gereon Rieke
- Department I of Internal Medicine, University Hospital of Bonn (UKB), Bonn, Germany
| | - Valentina Talevi
- Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Dirk Skowasch
- Department of Internal Medicine II, Section of Pneumology, University Hospital of Bonn (UKB), Bonn, Germany
| | - N Ahmad Aziz
- Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
- Department of Neurology, Faculty of Medicine, University of Bonn, Bonn, Germany
| | - Peter Pickkers
- Department of Intensive Care Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Frank L van de Veerdonk
- Department of Internal Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Mihai G Netea
- Department of Internal Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, The Netherlands
- Immunology & Metabolism, Life and Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Joachim L Schultze
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Matthijs Kox
- Department of Intensive Care Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Monique M B Breteler
- Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
- Institute for Medical Biometry, Informatics and Epidemiology (IMBIE), Faculty of Medicine, University of Bonn, Bonn, Germany
| | - Jacob Nattermann
- Department I of Internal Medicine, University Hospital of Bonn (UKB), Bonn, Germany
- German Center for Infection Research (DZIF), Bonn, Germany
| | - Antonia Koutsoukou
- 1st Department of Pulmonary Medicine and Intensive Care Unit, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | | | - Thomas Ulas
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany.
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9
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Aschenbrenner AC, Mouktaroudi M, Krämer B, Oestreich M, Antonakos N, Nuesch-Germano M, Gkizeli K, Bonaguro L, Reusch N, Baßler K, Saridaki M, Knoll R, Pecht T, Kapellos TS, Doulou S, Kröger C, Herbert M, Holsten L, Horne A, Gemünd ID, Rovina N, Agrawal S, Dahm K, van Uelft M, Drews A, Lenkeit L, Bruse N, Gerretsen J, Gierlich J, Becker M, Händler K, Kraut M, Theis H, Mengiste S, De Domenico E, Schulte-Schrepping J, Seep L, Raabe J, Hoffmeister C, ToVinh M, Keitel V, Rieke G, Talevi V, Skowasch D, Aziz NA, Pickkers P, van de Veerdonk FL, Netea MG, Schultze JL, Kox M, Breteler MMB, Nattermann J, Koutsoukou A, Giamarellos-Bourboulis EJ, Ulas T. Disease severity-specific neutrophil signatures in blood transcriptomes stratify COVID-19 patients. Genome Med 2021; 13:7. [PMID: 33441124 PMCID: PMC7805430 DOI: 10.1186/s13073-020-00823-5] [Citation(s) in RCA: 168] [Impact Index Per Article: 56.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 12/18/2020] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND The SARS-CoV-2 pandemic is currently leading to increasing numbers of COVID-19 patients all over the world. Clinical presentations range from asymptomatic, mild respiratory tract infection, to severe cases with acute respiratory distress syndrome, respiratory failure, and death. Reports on a dysregulated immune system in the severe cases call for a better characterization and understanding of the changes in the immune system. METHODS In order to dissect COVID-19-driven immune host responses, we performed RNA-seq of whole blood cell transcriptomes and granulocyte preparations from mild and severe COVID-19 patients and analyzed the data using a combination of conventional and data-driven co-expression analysis. Additionally, publicly available data was used to show the distinction from COVID-19 to other diseases. Reverse drug target prediction was used to identify known or novel drug candidates based on finding from data-driven findings. RESULTS Here, we profiled whole blood transcriptomes of 39 COVID-19 patients and 10 control donors enabling a data-driven stratification based on molecular phenotype. Neutrophil activation-associated signatures were prominently enriched in severe patient groups, which was corroborated in whole blood transcriptomes from an independent second cohort of 30 as well as in granulocyte samples from a third cohort of 16 COVID-19 patients (44 samples). Comparison of COVID-19 blood transcriptomes with those of a collection of over 3100 samples derived from 12 different viral infections, inflammatory diseases, and independent control samples revealed highly specific transcriptome signatures for COVID-19. Further, stratified transcriptomes predicted patient subgroup-specific drug candidates targeting the dysregulated systemic immune response of the host. CONCLUSIONS Our study provides novel insights in the distinct molecular subgroups or phenotypes that are not simply explained by clinical parameters. We show that whole blood transcriptomes are extremely informative for COVID-19 since they capture granulocytes which are major drivers of disease severity.
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Affiliation(s)
- Anna C Aschenbrenner
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
- Department of Internal Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Maria Mouktaroudi
- 4th Department of Internal Medicine, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Benjamin Krämer
- Department I of Internal Medicine, University Hospital of Bonn (UKB), Bonn, Germany
| | - Marie Oestreich
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Nikolaos Antonakos
- 4th Department of Internal Medicine, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Melanie Nuesch-Germano
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Konstantina Gkizeli
- 4th Department of Internal Medicine, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Lorenzo Bonaguro
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Nico Reusch
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Kevin Baßler
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Maria Saridaki
- 4th Department of Internal Medicine, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Rainer Knoll
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Tal Pecht
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Theodore S Kapellos
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Sarandia Doulou
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Charlotte Kröger
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Miriam Herbert
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Lisa Holsten
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Arik Horne
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Ioanna D Gemünd
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Nikoletta Rovina
- 1st Department of Pulmonary Medicine and Intensive Care Unit, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Shobhit Agrawal
- West German Genome Center (WGGC), University of Bonn, Bonn, Germany
| | - Kilian Dahm
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Martina van Uelft
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Anna Drews
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
| | - Lena Lenkeit
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Niklas Bruse
- Department of Intensive Care Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jelle Gerretsen
- Department of Intensive Care Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jannik Gierlich
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Matthias Becker
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
| | - Kristian Händler
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
| | - Michael Kraut
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
| | - Heidi Theis
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
| | - Simachew Mengiste
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Elena De Domenico
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
| | - Jonas Schulte-Schrepping
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Lea Seep
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Jan Raabe
- Department I of Internal Medicine, University Hospital of Bonn (UKB), Bonn, Germany
| | | | - Michael ToVinh
- Department I of Internal Medicine, University Hospital of Bonn (UKB), Bonn, Germany
| | - Verena Keitel
- Department of Gastroenterology, Hepatology and Infectious Diseases, University Hospital Düsseldorf, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Gereon Rieke
- Department I of Internal Medicine, University Hospital of Bonn (UKB), Bonn, Germany
| | - Valentina Talevi
- Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Dirk Skowasch
- Department of Internal Medicine II, Section of Pneumology, University Hospital of Bonn (UKB), Bonn, Germany
| | - N Ahmad Aziz
- Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
- Department of Neurology, Faculty of Medicine, University of Bonn, Bonn, Germany
| | - Peter Pickkers
- Department of Intensive Care Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Frank L van de Veerdonk
- Department of Internal Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Mihai G Netea
- Department of Internal Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, The Netherlands
- Immunology & Metabolism, Life and Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Joachim L Schultze
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Matthijs Kox
- Department of Intensive Care Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Monique M B Breteler
- Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
- Institute for Medical Biometry, Informatics and Epidemiology (IMBIE), Faculty of Medicine, University of Bonn, Bonn, Germany
| | - Jacob Nattermann
- Department I of Internal Medicine, University Hospital of Bonn (UKB), Bonn, Germany
- German Center for Infection Research (DZIF), Bonn, Germany
| | - Antonia Koutsoukou
- 1st Department of Pulmonary Medicine and Intensive Care Unit, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | | | - Thomas Ulas
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.
- PRECISE Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany.
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10
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Human herpesvirus 6 in transplant recipients: an update on diagnostic and treatment strategies. Curr Opin Infect Dis 2020; 32:584-590. [PMID: 31567413 DOI: 10.1097/qco.0000000000000592] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
PURPOSE OF REVIEW The current review article focuses on recent advances in the approach to the diagnosis and treatment of human herpesvirus 6B (HHV-6B) in hematopoietic cell and solid organ transplant recipients. RECENT FINDINGS Over the past few years, key studies have broadened our understanding of best practices for the prevention and treatment of HHV-6B encephalitis after transplantation. Moreover, important data have been reported that support a potential role of HHV-6B reactivation in the development of acute graft-versus-host disease and lower respiratory tract disease in transplant recipients. Finally, increasing recognition of inherited chromosomally integrated HHV-6 (iciHHV-6) and an expanding array of diagnostic tools have increased our understanding of the potential for complications related to viral reactivation originating from iciHHV-6 in donors or recipients. SUMMARY Recent advances in diagnostic tools, disease associations, and potential treatments for HHV-6B present abundant opportunities for improving our understanding and management of this complex virus in transplant recipients.
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11
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Houldcroft CJ. Human Herpesvirus Sequencing in the Genomic Era: The Growing Ranks of the Herpetic Legion. Pathogens 2019; 8:E186. [PMID: 31614759 PMCID: PMC6963362 DOI: 10.3390/pathogens8040186] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 10/10/2019] [Accepted: 10/11/2019] [Indexed: 12/19/2022] Open
Abstract
The nine human herpesviruses are some of the most ubiquitous pathogens worldwide, causing life-long latent infection in a variety of different tissues. Human herpesviruses range from mild childhood infections to known tumour viruses and 'trolls of transplantation'. Epstein-Barr virus was the first human herpesvirus to have its whole genome sequenced; GenBank now includes thousands of herpesvirus genomes. This review will cover some of the recent advances in our understanding of herpesvirus diversity and disease that have come about as a result of new sequencing technologies, such as target enrichment and long-read sequencing. It will also look at the problem of resolving mixed-genotype infections, whether with short or long-read sequencing methods; and conclude with some thoughts on the future of the field as herpesvirus population genomics becomes a reality.
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Affiliation(s)
- Charlotte J Houldcroft
- Department of Medicine, Addenbrooke's Hospital, University of Cambridge, Cambs CB2 0QQ UK.
- Parasites and Microbes, Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambs CB10 1SA, UK.
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12
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Hill JA, Vande Vusse LK, Xie H, Chung EL, Yeung CC, Seo S, Stevens-Ayers T, Fisher CE, Huang ML, Stewart FM, Jerome KR, Zerr DM, Corey L, Leisenring WM, Boeckh M. Human Herpesvirus 6B and Lower Respiratory Tract Disease After Hematopoietic Cell Transplantation. J Clin Oncol 2019; 37:2670-2681. [PMID: 31449472 PMCID: PMC7351330 DOI: 10.1200/jco.19.00908] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/30/2019] [Indexed: 12/11/2022] Open
Abstract
PURPOSE Human herpesvirus 6B (HHV-6B) DNA is frequently detected in bronchoalveolar lavage fluid (BALF) from immunocompromised subjects with lower respiratory tract disease (LRTD). Whether HHV-6B is a pulmonary pathogen is unclear. METHODS We tested BALF for HHV-6B DNA using polymerase chain reaction in allogeneic hematopoietic cell transplantation (HCT) recipients who underwent a BAL for evaluation of LRTD from 1992 to 2015. We used multivariable proportional hazards models to evaluate the association of HHV-6B+ BALF with overall mortality, death from respiratory failure, and the effect of anti-HHV-6B antivirals on these outcomes. We used branched-chain RNA in situ hybridization to detect HHV-6 messenger RNA (U41 and U57 transcripts) in lung tissue. RESULTS We detected HHV-6B+ BALF from 147 of 553 (27%) individuals. Subjects with HHV-6B+ BALF, with or without copathogens, had significantly increased risk of overall mortality (adjusted hazard ratio [aHR], 2.18; 95% CI, 1.41-3.39) and death from respiratory failure (aHR, 2.50; 95% CI, 1.56-4.01) compared with subjects with HHV-6B- BALF. Subjects with HHV-6B+ BALF who received antivirals within 3 days pre-BAL had an approximately 1 log10 lower median HHV-6B BALF viral load, as well as a lower risk of overall mortality (aHR, 0.42; 95% CI, 0.16-1.10), compared with subjects with HHV-6B+ BALF not receiving antivirals. We detected intraparenchymal HHV-6 gene expression by RNA in situ hybridization in lung tissue in all three tested subjects with HHV-6B+ BALF and sufficient tissue RNA preservation. CONCLUSION These data provide evidence that HHV-6B detection in BALF is associated with higher mortality in allogeneic hematopoietic cell transplantation recipients with LRTD. Definitive evidence of causation will require a randomized prevention or treatment trial.
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Affiliation(s)
- Joshua A. Hill
- University of Washington, Seattle, WA
- Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Lisa K. Vande Vusse
- University of Washington, Seattle, WA
- Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Hu Xie
- Fred Hutchinson Cancer Research Center, Seattle, WA
| | | | - Cecilia C.S. Yeung
- University of Washington, Seattle, WA
- Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Sachiko Seo
- Fred Hutchinson Cancer Research Center, Seattle, WA
| | | | - Cynthia E. Fisher
- University of Washington, Seattle, WA
- Fred Hutchinson Cancer Research Center, Seattle, WA
| | | | - F. Marc Stewart
- University of Washington, Seattle, WA
- Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Keith R. Jerome
- University of Washington, Seattle, WA
- Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Danielle M. Zerr
- University of Washington, Seattle, WA
- Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Lawrence Corey
- University of Washington, Seattle, WA
- Fred Hutchinson Cancer Research Center, Seattle, WA
| | | | - Michael Boeckh
- University of Washington, Seattle, WA
- Fred Hutchinson Cancer Research Center, Seattle, WA
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13
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Balsat M, Pillet S, Tavernier E, Cacheux V, Escuret V, Moluçon-Chabrot C, Augeul-Meunier K, Mirand A, Regagnon C, Tinquaut F, Bousser V, Oriol M, Guyotat D, Salles G, Bay JO, Pozzetto B, Cornillon J. Human herpesvirus 6 infection after autologous stem cell transplantation: A multicenter prospective study in adult patients. J Infect 2019; 79:36-42. [PMID: 31075291 DOI: 10.1016/j.jinf.2019.05.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 01/26/2019] [Accepted: 05/04/2019] [Indexed: 12/16/2022]
Abstract
OBJECTIVES to prospectively evaluate the incidence and the clinical relevance on hematopoietic reconstitution of HHV-6 infection in autologous hematopoietic stem cell transplantation (ASCT) recipients. METHODS HHV-6 DNA load was measured in whole blood specimens once during the 7 days before stem cell re-infusion and once a week after transplantation until hematopoietic recovery. Active HHV-6 infection was defined by 2 consecutive positive DNA loads. RESULTS from July 2012 to February 2015, 196 adult patients undergoing ASCT were enrolled. Twenty-two (11.2%) patients developed active HHV-6 infection with a cumulative incidence of 19% at 40 days after transplantation. The onset of active HHV-6 infection occurred with a median of 13 days after stem cell re-infusion. HHV-6 infection was associated with an increased frequency of non-infectious complications (OR = 5.05; 95%CI 1.78-14.32; P < 0.001). Moreover, the severity of these non-infectious complications was higher in recipients exhibiting HHV-6 infection (OR = 4.62; 95%CI 1.32-16.2; p < 0.01). Delayed neutrophils 10 (IQR: 8-14) vs 8 (IQR: 6-11) days and platelets recoveries 15 (IQR: 11.8-18.5) vs 8 (IQR: 4-14) days were observed in patients with active HHV-6 infection compared to non-infected ones. CONCLUSIONS in this study, 11.2% ASCT recipients presented active HHV-6 infection associated with significantly delayed hematologic reconstitution.
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Affiliation(s)
- Marie Balsat
- Hematology Department, Institut de Cancérologie Lucien Neuwirth, 108, bis avenue Albert Raymond, 42270 Saint-Priest-en-Jarez, France; Hematology Department, Hospices Civils de Lyon, Pavillon Marcel Bérard, Centre Hospitalier Lyon Sud, 165 chemin du Grand Revoyet, Centre Hospitalier Lyon Sud, 69495 Pierre Bénite, France.
| | - Sylvie Pillet
- CHU de Saint-Etienne, Laboratory of Infectious Agents and Hygiene, avenue Albert Raymond, 42270 Saint-Priest-en-jarez, France
| | - Emmanuelle Tavernier
- Hematology Department, Institut de Cancérologie Lucien Neuwirth, 108, bis avenue Albert Raymond, 42270 Saint-Priest-en-Jarez, France
| | - Victoria Cacheux
- Hematology Department, CHU Clermont-Ferrand, 1, rue Lucie Aubrac, 63100 Clermont-Ferrand, France
| | - Vanessa Escuret
- Hospices Civils de Lyon, GHN, Laboratoire de Virologie F-69317, Lyon, France
| | - Cécile Moluçon-Chabrot
- Hematology Department, CHU Clermont-Ferrand, 1, rue Lucie Aubrac, 63100 Clermont-Ferrand, France
| | - Karine Augeul-Meunier
- Hematology Department, Institut de Cancérologie Lucien Neuwirth, 108, bis avenue Albert Raymond, 42270 Saint-Priest-en-Jarez, France
| | - Audrey Mirand
- CHU Clermont-Ferrand, Laboratory of Virology, F-63003 Clermont-Ferrand, France
| | - Christel Regagnon
- CHU Clermont-Ferrand, Laboratory of Virology, F-63003 Clermont-Ferrand, France
| | - Fabien Tinquaut
- Institut de Cancérologie Lucien Neuwirth, Centre Hygée, Chemin de la Marandière, 42270 Saint-Priest-en-Jarez, France
| | - Véronique Bousser
- Institut de Cancérologie Lucien Neuwirth, Centre Hygée, Chemin de la Marandière, 42270 Saint-Priest-en-Jarez, France
| | - Mathieu Oriol
- Institut de Cancérologie Lucien Neuwirth, Centre Hygée, Chemin de la Marandière, 42270 Saint-Priest-en-Jarez, France
| | - Denis Guyotat
- Hematology Department, Institut de Cancérologie Lucien Neuwirth, 108, bis avenue Albert Raymond, 42270 Saint-Priest-en-Jarez, France
| | - Gilles Salles
- Hematology Department, Hospices Civils de Lyon, Pavillon Marcel Bérard, Centre Hospitalier Lyon Sud, 165 chemin du Grand Revoyet, Centre Hospitalier Lyon Sud, 69495 Pierre Bénite, France
| | - Jacques-Olivier Bay
- Hospices Civils de Lyon, GHN, Laboratoire de Virologie F-69317, Lyon, France
| | - Bruno Pozzetto
- CHU de Saint-Etienne, Laboratory of Infectious Agents and Hygiene, avenue Albert Raymond, 42270 Saint-Priest-en-jarez, France
| | - Jérôme Cornillon
- Hematology Department, Institut de Cancérologie Lucien Neuwirth, 108, bis avenue Albert Raymond, 42270 Saint-Priest-en-Jarez, France
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14
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RNA Sequencing of the In Vivo Human Herpesvirus 6B Transcriptome To Identify Targets for Clinical Assays Distinguishing between Latent and Active Infections. J Virol 2019; 93:JVI.01419-18. [PMID: 30429336 DOI: 10.1128/jvi.01419-18] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 11/01/2018] [Indexed: 02/08/2023] Open
Abstract
Human herpesvirus 6B (HHV-6B) DNA is frequently detected in human samples. Diagnostic assays distinguishing HHV-6B reactivation from latency are limited. This has impaired strategies to diagnose and treat HHV-6B-associated diseases. We used RNA sequencing to characterize and compare the HHV-6B transcriptome in multiple sample types, including (i) whole blood from hematopoietic cell transplant (HCT) recipients with and without HHV-6B plasma viremia, (ii) tumor tissue samples from subjects with large B cell lymphoma infected with HHV-6B, (iii) lymphoblastoid cell lines (LCLs) from subjects with inherited chromosomally integrated HHV-6B or latent infection with HHV-6B, and (iv) HHV-6B Z29 infected SupT1 CD4+ T cells. We demonstrated substantial overlap in the HHV-6B transcriptome observed in in vivo and in vitro samples, although there was variability in the breadth and quantity of gene expression across samples. The HHV-6B viral polymerase gene U38 was the only HHV-6B transcript detected in all next-generation RNA sequencing (RNA-seq) data sets and was one of the most highly expressed genes. We developed a novel reverse transcription-PCR assay targeting HHV-6B U38, which identified U38 mRNA in all tested whole-blood samples from patients with concurrent HHV-6B viremia. No HHV-6B U38 transcripts were detected by RNA-seq or reverse transcription-real-time quantitative PCR (RT-qPCR) in whole-blood samples from subjects without HHV-6B plasma detection or from latently infected LCLs. A RT-qPCR assay for HHV-6B U38 may be useful to identify lytic HHV-6B infection in nonplasma samples and samples from individuals with inherited chromosomally integrated HHV-6B. This study also demonstrates the feasibility of transcriptomic analyses for HCT recipients.IMPORTANCE Human herpesvirus 6B (HHV-6B) is a DNA virus that infects most children within the first few years of life. After primary infection, HHV-6B persists as a chronic, latent infection in many cell types. Additionally, HHV-6B can integrate into germ line chromosomes, resulting in individuals with viral DNA in every nucleated cell. Given that PCR to detect viral DNA is the mainstay for diagnosing HHV-6B infection, the characteristics of HHV-6B infection complicate efforts to distinguish between latent and active viral infection, particularly in immunocompromised patients who have frequent HHV-6B reactivation. In this study, we used RNA sequencing to characterize the HHV-6B gene expression profile in multiple sample types, and our findings identified evidence-based targets for diagnostic tests that distinguish between latent and active viral infection.
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