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Parisi F, Fonti N, Millanta F, Freer G, Pistello M, Poli A. Exploring the link between viruses and cancer in companion animals: a comprehensive and comparative analysis. Infect Agent Cancer 2023; 18:40. [PMID: 37386451 DOI: 10.1186/s13027-023-00518-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 06/16/2023] [Indexed: 07/01/2023] Open
Abstract
Currently, it is estimated that 15% of human neoplasms globally are caused by infectious agents, with new evidence emerging continuously. Multiple agents have been implicated in various forms of neoplasia, with viruses as the most frequent. In recent years, investigation on viral mechanisms underlying tumoral transformation in cancer development and progression are in the spotlight, both in human and veterinary oncology. Oncogenic viruses in veterinary medicine are of primary importance not only as original pathogens of pets, but also in the view of pets as models of human malignancies. Hence, this work will provide an overview of the main oncogenic viruses of companion animals, with brief notes of comparative medicine.
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Affiliation(s)
- Francesca Parisi
- Dipartimento di Scienze Veterinarie, Università di Pisa, Viale delle Piagge, 2, 56124, Pisa, Italy.
| | - Niccolò Fonti
- Dipartimento di Scienze Veterinarie, Università di Pisa, Viale delle Piagge, 2, 56124, Pisa, Italy
| | - Francesca Millanta
- Dipartimento di Scienze Veterinarie, Università di Pisa, Viale delle Piagge, 2, 56124, Pisa, Italy
| | - Giulia Freer
- Dipartimento di Ricerca Traslazionale e delle Nuove Tecnologie in Medicina e Chirurgia, Università di Pisa, Via Risorgimento, 36, 56126, Pisa, Italy
| | - Mauro Pistello
- Dipartimento di Ricerca Traslazionale e delle Nuove Tecnologie in Medicina e Chirurgia, Università di Pisa, Via Risorgimento, 36, 56126, Pisa, Italy
| | - Alessandro Poli
- Dipartimento di Scienze Veterinarie, Università di Pisa, Viale delle Piagge, 2, 56124, Pisa, Italy
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Elste J, Chan A, Patil C, Tripathi V, Shadrack DM, Jaishankar D, Hawkey A, Mungerson MS, Shukla D, Tiwari V. Archaic connectivity between the sulfated heparan sulfate and the herpesviruses - An evolutionary potential for cross-species interactions. Comput Struct Biotechnol J 2023; 21:1030-1040. [PMID: 36733705 PMCID: PMC9880898 DOI: 10.1016/j.csbj.2023.01.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/04/2023] [Accepted: 01/07/2023] [Indexed: 01/15/2023] Open
Abstract
The structural diversity of metazoic heparan sulfate (HS) composed of unique sulfated domains is remarkably preserved among various vertebrates and invertebrate species. Interestingly the sulfated moieties of HS have been known as the key determinants generating extraordinary ligand binding sites in the HS chain to regulate multiple biological functions and homeostasis. One such ligand for 3-O sulfation in the HS chain is a glycoprotein D (gD) from an ancient herpesvirus, herpes simplex virus (HSV). This interaction between gD and 3-O sulfated HS leads to virus-cell fusion to promote HSV entry. It is quite astonishing that HSV-1, which infects two-thirds of the world population, is also capable of causing severe diseases in primates and non-primates including primitive zebrafish. Supporting evidence that HSV may cross the species barrier comes from the fact that an enzymatic modification in HS encoded by 3-O sulfotransferase-3 (3-OST-3) from a vertebrate zoonotic species enhances HSV-1 infectivity. The latter phenomenon suggests the possible role of sulfated-HS as an entry receptor during reverse zoonosis, especially during an event when humans encounter domesticated animals in proximity. In this mini-review, we explore the possibility that structural diversity in HS may have played a substantial role in species-specific adaptability for herpesviruses in general including their potential role in promoting cross-species transmission.
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Affiliation(s)
- James Elste
- Department of Microbiology and Immunology, Chicago College of Osteopathic Medicine and College of Graduate Studies, Midwestern University, Downers Grove, IL 60515, USA
| | - Angelica Chan
- Department of Microbiology and Immunology, Chicago College of Osteopathic Medicine and College of Graduate Studies, Midwestern University, Downers Grove, IL 60515, USA
| | - Chandrashekhar Patil
- Department of Ophthalmology & Visual Sciences, University of Illinois at Chicago, IL 60612, USA
| | - Vinisha Tripathi
- Mountain Vista High School, 10585 Mountain Vista Ridge, Highlands Ranch, CO 80126, USA
| | - Daniel M. Shadrack
- Department of Chemistry, Faculty of Natural and Applied Sciences, St John's University of Tanzania, Dodoma, Tanzania
| | - Dinesh Jaishankar
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Andrew Hawkey
- Department of Biomedical Sciences, Midwestern University, Downers Grove, IL 60515, USA
| | - Michelle Swanson Mungerson
- Department of Microbiology and Immunology, Chicago College of Osteopathic Medicine and College of Graduate Studies, Midwestern University, Downers Grove, IL 60515, USA
| | - Deepak Shukla
- Department of Ophthalmology & Visual Sciences, University of Illinois at Chicago, IL 60612, USA
| | - Vaibhav Tiwari
- Department of Microbiology and Immunology, Chicago College of Osteopathic Medicine and College of Graduate Studies, Midwestern University, Downers Grove, IL 60515, USA,Corresponding author.
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A virome sequencing approach to feline oral squamous cell carcinoma to evaluate viral causative factors. Vet Microbiol 2019; 240:108491. [PMID: 31902496 PMCID: PMC7117531 DOI: 10.1016/j.vetmic.2019.108491] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 10/18/2019] [Accepted: 10/27/2019] [Indexed: 12/15/2022]
Abstract
A comprehensive high-throughput viral sequencing strategy (ViroCap) was adapted for use with feline tumors. Papillomavirus was not commonly associated with feline oral squamous cell carcinoma. Feline oral squamous cell carcinoma is a good model for HPV-negative head and neck squamous cell carcinoma in people. The virome of FOSCC and normal feline oral mucosa included feline foamy virus, torque teno virus, herpes and papillomavirus, FIV and EBV. Co-occurrence of Epstein Barr Virus and feline papillomavirus-3 was found found in a feline oral squamous cell carcinoma sample.
Feline oral squamous cell carcinoma (FOSCC) may be the best naturally-occurring model of human head and neck squamous cell carcinoma (HNSCC). HNSCC can be broadly divided into human papillomavirus (HPV)-negative cancers and HPV-positive cancers where HPV is the causative agent. Previous studies in FOSCC have used both species-specific and species-nonspecific PCR primers that may be insensitive to the detection of PVs and other viruses that may be divergent from known sequences. ViroCap is a targeted capture and next generation sequencing tool that was designed to identify all known vertebrate DNA and RNA viruses. In this study we used a metagenomic approach using ViroCap for DNA viruses in 20 FOSCC, 9 normal feline oral mucosal, and 8 suspected PV positive control samples. We tested the hypothesis that viruses would be enriched in FOSCC compared to normal oral mucosa. The virome of the FOSCC and normal feline oral mucosa consisted of feline foamy virus in 7/20 and 2/9 (35% and 22%), feline torque teno virus in 2/20 and 0/9 (10% and 0%), alphaherpesvirus in 2/10 and 0/9 (10% and 0%), FIV (0% and 22%), Epstein-Barr virus in 1/20 and 0/9 (5% and 0%) and feline papillomavirus in 1/20 and 0/9 samples (5% and 0% respectively). Felis catus papillomavirus-3 was found in 1 of 20 FOSCC samples. A virus was not associated consistently with FOSCC. If PVs have a role in FOSCC it is at most a supplementary or uncommon role. FOSCC appears most closely related to HPV-negative HNSCC. Future research on FOSCC should focus on identifying genetic and environmental causes.
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Detection of parvovirus and herpesvirus DNA in the blood of feline and canine blood donors. Vet Microbiol 2018; 224:66-69. [DOI: 10.1016/j.vetmic.2018.08.030] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 08/28/2018] [Accepted: 08/29/2018] [Indexed: 12/13/2022]
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Roa López GA, Suárez JJ, Barato P, García NV. Lack of Association Between Epstein-Barr Virus and Mammary Tumours in Dogs. J Vet Res 2018; 62:309-315. [PMID: 30584610 PMCID: PMC6295990 DOI: 10.2478/jvetres-2018-0045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 08/24/2018] [Indexed: 11/20/2022] Open
Abstract
INTRODUCTION Epstein-Barr virus (EBV) is a γ-herpesvirus associated with various neoplasms in humans and is a probable aetiological agent in breast cancer; however, a causal relationship has not yet been established. Because of the epidemiological and clinicopathological similarities between breast cancer and canine mammary tumours, dogs have been proposed as a valid model for breast cancer. MATERIAL AND METHODS A total of 47 canine mammary gland tumour tissues were processed by routine histopathological technique with haematoxylin-eosin staining and classified according to the type of neoplasm. DNA was extracted from paraffin-embedded tissues and the EBNA-1 gene and the BamHI-W region specific for EBV were evaluated by nested PCR. RESULTS The histopathological evaluation revealed 2 benign neoplasms, and many carcinomas: 2 in situ, 9 simple, 3 solid, 10 complex, and 21 mixed. One sample was positive for the EBNA-1 gene, while all were negative for the BamHI-W region. CONCLUSION No association was found between EBV and mammary tumours in dogs. However, here we report for the first time the presence of an EBV gene sequence in a canine mammary tumour. It is likely that detection of EBV might be affected by the quality and quantity of DNA extracted from paraffin-embedded tissues. Additional studies are necessary to establish any association of EBV with mammary gland cancer in humans and in dogs, which could eventually lead to better public health prevention and control.
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Affiliation(s)
| | - Jhon Jairo Suárez
- Cytogenetic Research Group, Phylogeny and Evolution of Populations, University of Tolima, 730006Ibagué, Colombia
| | - Paola Barato
- Corpavet Veterinary Pathology Corporation, 111321Bogotá D.C., Colombia
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Azab W, Dayaram A, Greenwood AD, Osterrieder N. How Host Specific Are Herpesviruses? Lessons from Herpesviruses Infecting Wild and Endangered Mammals. Annu Rev Virol 2018; 5:53-68. [PMID: 30052491 DOI: 10.1146/annurev-virology-092917-043227] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Herpesviruses are ubiquitous and can cause disease in all classes of vertebrates but also in animals of lower taxa, including molluscs. It is generally accepted that herpesviruses are primarily species specific, although a species can be infected by different herpesviruses. Species specificity is thought to result from host-virus coevolutionary processes over the long term. Even with this general concept in mind, investigators have recognized interspecies transmission of several members of the Herpesviridae family, often with fatal outcomes in non-definitive hosts-that is, animals that have no or only a limited role in virus transmission. We here summarize herpesvirus infections in wild mammals that in many cases are endangered, in both natural and captive settings. Some infections result from herpesviruses that are endemic in the species that is primarily affected, and some result from herpesviruses that cause fatal disease after infection of non-definitive hosts. We discuss the challenges of such infections in several endangered species in the absence of efficient immunization or therapeutic options.
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Affiliation(s)
- Walid Azab
- Institut für Virologie, Zentrum für Infektionsmedizin, Freie Universität Berlin, 14163 Berlin, Germany;
| | - Anisha Dayaram
- Department of Wildlife Diseases, Leibniz Institute for Zoo and Wildlife Research (IZW), 10315 Berlin, Germany;
| | - Alex D Greenwood
- Department of Wildlife Diseases, Leibniz Institute for Zoo and Wildlife Research (IZW), 10315 Berlin, Germany;
| | - Nikolaus Osterrieder
- Institut für Virologie, Zentrum für Infektionsmedizin, Freie Universität Berlin, 14163 Berlin, Germany;
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Veloza LC, Collazos M, Olaya N, Salas S, Corredor A, Diez H, Castellanos I, Gutierrez M. Presencia del marcador lmp-1 del virus epstein barr en linfomas de caninos. REVISTA DE LA FACULTAD DE MEDICINA VETERINARIA Y DE ZOOTECNIA 2017. [DOI: 10.15446/rfmvz.v64n3.68691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Epstein Barr virus (EBV) is a humans’ high prevalent virus associated with lymphoid B cells tumors development. In canines, few reports have been published regarding the presence of the virus in dogs but its role in this species remain unclear. The aim of this study was to determine the presence of LMP-1 protein of EBV in 20 canine lymphomas tissues which were previously diagnosed in a period of time between 2004 -2014. Lymphomas were reclassified in accordance with the new histopathological classifications for lymphomas and were stained by IHQ with anti-CD79a, anti-CD3 and anti-LMP1; specific antibodies for B lymphocytes, T lymphocytes and EBV biomarker respectively. As a result, it was found that the most common lymphoma was T-zone lymphoma in 75% of the cases of the study. The distribution of the cases regarding the immunostaining were: 18 positive cases with anti- CD3, 2 positive cases with anti-CD79a and 6 positive cases with anti-LMP-1. Positive cases of LMP1 as a biomarker of the presence of EBV corresponded to the 30% of the cases of the study. Chi-square test showed statistical significance between the presence of the virus and the presence of lymphomas, which suggests not only that the virus is circulating in the canine population but also that could have implications in the development of the disease. Regarding demographic parameters, only the Golden Retriever breed showed a relationship with the presence of lymphoma, but not with the presence of the virus.
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Kaye S, Wang W, Miller C, McLuckie A, Beatty JA, Grant CK, VandeWoude S, Bielefeldt-Ohmann H. Role of Feline Immunodeficiency Virus in Lymphomagenesis--Going Alone or Colluding? ILAR J 2017; 57:24-33. [PMID: 27034392 DOI: 10.1093/ilar/ilv047] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Feline immunodeficiency virus (FIV) is a naturally occurring lentivirus of domestic and nondomestic feline species. Infection in domestic cats leads to immune dysfunction via mechanisms similar to those caused by human immunodeficiency virus (HIV) and, as such, is a valuable natural animal model for acquired immunodeficiency syndrome (AIDS) in humans. An association between FIV and an increased incidence of neoplasia has long been recognized, with frequencies of up to 20% in FIV-positive cats recorded in some studies. This is similar to the rate of neoplasia seen in HIV-positive individuals, and in both species neoplasia typically requires several years to arise. The most frequently reported type of neoplasia associated with FIV infection is lymphoma. Here we review the possible mechanisms involved in FIV lymphomagenesis, including the possible involvement of coinfections, notably those with gamma-herpesviruses.
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Affiliation(s)
- Sarah Kaye
- Sarah Kaye, BVSc, is a small animal clinician with the Animal Welfare League Qld Inc. in The Gold Coast, Queensland, Australia. Wenqi Wang, BVSc, PhD, is a postdoctoral fellow affiliated with the School of Veterinary Science at University of Queensland at Gatton in Australia. Craig Miller, DVM, is a postdoctoral fellow in the Department of Microbiology, Immunology & Pathology at Colorado State University in FortCollins, Colorado. Alicia McLuckie, BVSc, is a PhD candidate in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia, Julia A. Beatty, BSc, BVetMed, PhD, FANZCVs (feline med), is a professor in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia. Chris K. Grant, PhD, DSc, is founder and CEO of Custom Monoclonals International Corp. in West Sacramento, California. Sue VandeWoude, DVM, MS, DACLAM, is a professor in the Department of Microbiology, Immunology & Pathology at Colorado State University and Associate Dean for Research in the College of Veterinary & Biomedical Sciences at Colorado State University in Fort Collins, Colorado. Helle Bielefeldt-Ohmann, DVM, PhD, is a senior lecturer in the School of Veterinary Science at the University of Queensland at Gatton, an affiliate senior lecturer in the School of Chemistry & Molecular Biosciences at the University of Queensland at St. Lucia, and an investigator at the Australian Infectious Diseases Research Centre at the University of Queensland in St. Lucia, Australia
| | - Wenqi Wang
- Sarah Kaye, BVSc, is a small animal clinician with the Animal Welfare League Qld Inc. in The Gold Coast, Queensland, Australia. Wenqi Wang, BVSc, PhD, is a postdoctoral fellow affiliated with the School of Veterinary Science at University of Queensland at Gatton in Australia. Craig Miller, DVM, is a postdoctoral fellow in the Department of Microbiology, Immunology & Pathology at Colorado State University in FortCollins, Colorado. Alicia McLuckie, BVSc, is a PhD candidate in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia, Julia A. Beatty, BSc, BVetMed, PhD, FANZCVs (feline med), is a professor in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia. Chris K. Grant, PhD, DSc, is founder and CEO of Custom Monoclonals International Corp. in West Sacramento, California. Sue VandeWoude, DVM, MS, DACLAM, is a professor in the Department of Microbiology, Immunology & Pathology at Colorado State University and Associate Dean for Research in the College of Veterinary & Biomedical Sciences at Colorado State University in Fort Collins, Colorado. Helle Bielefeldt-Ohmann, DVM, PhD, is a senior lecturer in the School of Veterinary Science at the University of Queensland at Gatton, an affiliate senior lecturer in the School of Chemistry & Molecular Biosciences at the University of Queensland at St. Lucia, and an investigator at the Australian Infectious Diseases Research Centre at the University of Queensland in St. Lucia, Australia
| | - Craig Miller
- Sarah Kaye, BVSc, is a small animal clinician with the Animal Welfare League Qld Inc. in The Gold Coast, Queensland, Australia. Wenqi Wang, BVSc, PhD, is a postdoctoral fellow affiliated with the School of Veterinary Science at University of Queensland at Gatton in Australia. Craig Miller, DVM, is a postdoctoral fellow in the Department of Microbiology, Immunology & Pathology at Colorado State University in FortCollins, Colorado. Alicia McLuckie, BVSc, is a PhD candidate in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia, Julia A. Beatty, BSc, BVetMed, PhD, FANZCVs (feline med), is a professor in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia. Chris K. Grant, PhD, DSc, is founder and CEO of Custom Monoclonals International Corp. in West Sacramento, California. Sue VandeWoude, DVM, MS, DACLAM, is a professor in the Department of Microbiology, Immunology & Pathology at Colorado State University and Associate Dean for Research in the College of Veterinary & Biomedical Sciences at Colorado State University in Fort Collins, Colorado. Helle Bielefeldt-Ohmann, DVM, PhD, is a senior lecturer in the School of Veterinary Science at the University of Queensland at Gatton, an affiliate senior lecturer in the School of Chemistry & Molecular Biosciences at the University of Queensland at St. Lucia, and an investigator at the Australian Infectious Diseases Research Centre at the University of Queensland in St. Lucia, Australia
| | - Alicia McLuckie
- Sarah Kaye, BVSc, is a small animal clinician with the Animal Welfare League Qld Inc. in The Gold Coast, Queensland, Australia. Wenqi Wang, BVSc, PhD, is a postdoctoral fellow affiliated with the School of Veterinary Science at University of Queensland at Gatton in Australia. Craig Miller, DVM, is a postdoctoral fellow in the Department of Microbiology, Immunology & Pathology at Colorado State University in FortCollins, Colorado. Alicia McLuckie, BVSc, is a PhD candidate in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia, Julia A. Beatty, BSc, BVetMed, PhD, FANZCVs (feline med), is a professor in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia. Chris K. Grant, PhD, DSc, is founder and CEO of Custom Monoclonals International Corp. in West Sacramento, California. Sue VandeWoude, DVM, MS, DACLAM, is a professor in the Department of Microbiology, Immunology & Pathology at Colorado State University and Associate Dean for Research in the College of Veterinary & Biomedical Sciences at Colorado State University in Fort Collins, Colorado. Helle Bielefeldt-Ohmann, DVM, PhD, is a senior lecturer in the School of Veterinary Science at the University of Queensland at Gatton, an affiliate senior lecturer in the School of Chemistry & Molecular Biosciences at the University of Queensland at St. Lucia, and an investigator at the Australian Infectious Diseases Research Centre at the University of Queensland in St. Lucia, Australia
| | - Julia A Beatty
- Sarah Kaye, BVSc, is a small animal clinician with the Animal Welfare League Qld Inc. in The Gold Coast, Queensland, Australia. Wenqi Wang, BVSc, PhD, is a postdoctoral fellow affiliated with the School of Veterinary Science at University of Queensland at Gatton in Australia. Craig Miller, DVM, is a postdoctoral fellow in the Department of Microbiology, Immunology & Pathology at Colorado State University in FortCollins, Colorado. Alicia McLuckie, BVSc, is a PhD candidate in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia, Julia A. Beatty, BSc, BVetMed, PhD, FANZCVs (feline med), is a professor in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia. Chris K. Grant, PhD, DSc, is founder and CEO of Custom Monoclonals International Corp. in West Sacramento, California. Sue VandeWoude, DVM, MS, DACLAM, is a professor in the Department of Microbiology, Immunology & Pathology at Colorado State University and Associate Dean for Research in the College of Veterinary & Biomedical Sciences at Colorado State University in Fort Collins, Colorado. Helle Bielefeldt-Ohmann, DVM, PhD, is a senior lecturer in the School of Veterinary Science at the University of Queensland at Gatton, an affiliate senior lecturer in the School of Chemistry & Molecular Biosciences at the University of Queensland at St. Lucia, and an investigator at the Australian Infectious Diseases Research Centre at the University of Queensland in St. Lucia, Australia
| | - Chris K Grant
- Sarah Kaye, BVSc, is a small animal clinician with the Animal Welfare League Qld Inc. in The Gold Coast, Queensland, Australia. Wenqi Wang, BVSc, PhD, is a postdoctoral fellow affiliated with the School of Veterinary Science at University of Queensland at Gatton in Australia. Craig Miller, DVM, is a postdoctoral fellow in the Department of Microbiology, Immunology & Pathology at Colorado State University in FortCollins, Colorado. Alicia McLuckie, BVSc, is a PhD candidate in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia, Julia A. Beatty, BSc, BVetMed, PhD, FANZCVs (feline med), is a professor in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia. Chris K. Grant, PhD, DSc, is founder and CEO of Custom Monoclonals International Corp. in West Sacramento, California. Sue VandeWoude, DVM, MS, DACLAM, is a professor in the Department of Microbiology, Immunology & Pathology at Colorado State University and Associate Dean for Research in the College of Veterinary & Biomedical Sciences at Colorado State University in Fort Collins, Colorado. Helle Bielefeldt-Ohmann, DVM, PhD, is a senior lecturer in the School of Veterinary Science at the University of Queensland at Gatton, an affiliate senior lecturer in the School of Chemistry & Molecular Biosciences at the University of Queensland at St. Lucia, and an investigator at the Australian Infectious Diseases Research Centre at the University of Queensland in St. Lucia, Australia
| | - Sue VandeWoude
- Sarah Kaye, BVSc, is a small animal clinician with the Animal Welfare League Qld Inc. in The Gold Coast, Queensland, Australia. Wenqi Wang, BVSc, PhD, is a postdoctoral fellow affiliated with the School of Veterinary Science at University of Queensland at Gatton in Australia. Craig Miller, DVM, is a postdoctoral fellow in the Department of Microbiology, Immunology & Pathology at Colorado State University in FortCollins, Colorado. Alicia McLuckie, BVSc, is a PhD candidate in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia, Julia A. Beatty, BSc, BVetMed, PhD, FANZCVs (feline med), is a professor in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia. Chris K. Grant, PhD, DSc, is founder and CEO of Custom Monoclonals International Corp. in West Sacramento, California. Sue VandeWoude, DVM, MS, DACLAM, is a professor in the Department of Microbiology, Immunology & Pathology at Colorado State University and Associate Dean for Research in the College of Veterinary & Biomedical Sciences at Colorado State University in Fort Collins, Colorado. Helle Bielefeldt-Ohmann, DVM, PhD, is a senior lecturer in the School of Veterinary Science at the University of Queensland at Gatton, an affiliate senior lecturer in the School of Chemistry & Molecular Biosciences at the University of Queensland at St. Lucia, and an investigator at the Australian Infectious Diseases Research Centre at the University of Queensland in St. Lucia, Australia
| | - Helle Bielefeldt-Ohmann
- Sarah Kaye, BVSc, is a small animal clinician with the Animal Welfare League Qld Inc. in The Gold Coast, Queensland, Australia. Wenqi Wang, BVSc, PhD, is a postdoctoral fellow affiliated with the School of Veterinary Science at University of Queensland at Gatton in Australia. Craig Miller, DVM, is a postdoctoral fellow in the Department of Microbiology, Immunology & Pathology at Colorado State University in FortCollins, Colorado. Alicia McLuckie, BVSc, is a PhD candidate in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia, Julia A. Beatty, BSc, BVetMed, PhD, FANZCVs (feline med), is a professor in the Faculty of Veterinary Science at the University of Sydney in NSW, Australia. Chris K. Grant, PhD, DSc, is founder and CEO of Custom Monoclonals International Corp. in West Sacramento, California. Sue VandeWoude, DVM, MS, DACLAM, is a professor in the Department of Microbiology, Immunology & Pathology at Colorado State University and Associate Dean for Research in the College of Veterinary & Biomedical Sciences at Colorado State University in Fort Collins, Colorado. Helle Bielefeldt-Ohmann, DVM, PhD, is a senior lecturer in the School of Veterinary Science at the University of Queensland at Gatton, an affiliate senior lecturer in the School of Chemistry & Molecular Biosciences at the University of Queensland at St. Lucia, and an investigator at the Australian Infectious Diseases Research Centre at the University of Queensland in St. Lucia, Australia
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Ott LE, Carson SD. Who Scared the Cat? A Molecular Crime Scene Investigation Laboratory Exercise. JOURNAL OF MICROBIOLOGY & BIOLOGY EDUCATION 2016; 17:451-457. [PMID: 28101273 PMCID: PMC5134950 DOI: 10.1128/jmbe.v17i3.1122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
This introductory laboratory exercise gives first-year life science majors or nonmajors an opportunity to gain knowledge and experience in basic bioinformatics and molecular biology laboratory techniques and analysis in the context of a mock crime scene investigation. In this laboratory, students determine if a human (Lady) or dog (Kona) committed the fictional crime of scaring a cat. Students begin by performing in silico PCR using provided dog- and human-specific PCR primers to determine the sequences to be amplified and predict PCR amplicon sizes. They then BLAST (Basic Local Alignment Search Tool) the in silico PCR results to confirm that the PCR primers are designed to amplify genomic fragments of the cardiac actin gene in both dogs and humans. Finally, they use DNA quantification techniques, PCR, and agarose gel electrophoresis to identify the culprit and they confirm results by analyzing Sanger sequencing. Student learning gains were demonstrated by successful execution of the lab and by analysis and interpretation of data in the completion of laboratory reports. The student learning gains were also demonstrated by increased performance on a post-laboratory assessment compared to the pre-assessment. A post-activity assessment also revealed that students perceived gains in the skills and conceptual knowledge associated with the student learning outcomes. Finally, assessment of this introductory molecular biology and bio-informatics activity reveals that it allows first-year students to develop higher-order data analysis and interpretation skills.
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Affiliation(s)
- Laura E. Ott
- College of Natural and Mathematical Sciences, University of Maryland, Baltimore County, Baltimore, MD 21250
| | - Susan D. Carson
- Department of Plant and Microbial Biology and Division of Academic and Student Affairs, North Carolina State University, Raleigh, NC 27695
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Richards KL, Suter SE. Man's best friend: what can pet dogs teach us about non-Hodgkin's lymphoma? Immunol Rev 2015; 263:173-91. [PMID: 25510277 DOI: 10.1111/imr.12238] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Animal models are essential for understanding lymphoma biology and testing new treatments prior to human studies. Spontaneously arising lymphomas in pet dogs represent an underutilized resource that could be used to complement current mouse lymphoma models, which do not adequately represent all aspects of the human disease. Canine lymphoma resembles human lymphoma in many important ways, including characteristic translocations and molecular abnormalities and similar therapeutic responses to chemotherapy, radiation, and newer targeted therapies (e.g. ibrutinib). Given the large number of pet dogs and high incidence of lymphoma, particularly in susceptible breeds, dogs represent a largely untapped resource for advancing the understanding and treatment of human lymphoma. This review highlights similarities in molecular biology, diagnosis, treatment, and outcomes between human and canine lymphoma. It also describes resources that are currently available to study canine lymphoma, advantages to be gained by exploiting the genetic breed structure in dogs, and current and future challenges and opportunities to take full advantage of this resource for lymphoma studies.
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Affiliation(s)
- Kristy L Richards
- Center for Comparative Medicine and Translational Research, North Carolina State University, Raleigh, NC, USA; Lineberger Comprehensive Cancer Center, Chapel Hill, NC, USA; Division of Hematology/Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Waugh EM, Gallagher A, McAulay KA, Henriques J, Alves M, Bell AJ, Morris JS, Jarrett RF. Gammaherpesviruses and canine lymphoma: no evidence for direct involvement in commonly occurring lymphomas. J Gen Virol 2015; 96:1863-72. [PMID: 25722346 PMCID: PMC4635455 DOI: 10.1099/vir.0.000106] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Lymphoma is the most common haematopoietic malignancy in dogs, but little is known about the aetiology of this heterogeneous group of cancers. In humans, the Epstein–Barr virus (EBV) is associated with several lymphoma subtypes. Recently, it was suggested that EBV or an EBV-like virus is circulating in dogs. We therefore investigated whether EBV, or a novel herpesvirus, is associated with canine lymphoma using both serological and molecular techniques. In an assay designed to detect antibodies to EBV viral capsid antigens, 41 % of dogs were positive. Dogs with cancers, including lymphoma, were more frequently positive than controls, but no particular association with B-cell lymphoma was noted. EBV-specific RNA and DNA sequences were not detected in lymphoma tissue by in situ hybridization or PCR, and herpesvirus genomes were not detected using multiple degenerate PCR assays with the ability to detect novel herpesviruses. We therefore found no evidence that herpesviruses are directly involved in common types of canine lymphoma although cannot exclude the presence of an EBV-like virus in the canine population.
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Affiliation(s)
- Elspeth M Waugh
- 1MRC-University of Glasgow Centre for Virus Research, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, 464 Bearsden Road, Glasgow G61 1QH, UK
| | - Alice Gallagher
- 1MRC-University of Glasgow Centre for Virus Research, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, 464 Bearsden Road, Glasgow G61 1QH, UK
| | - Karen A McAulay
- 1MRC-University of Glasgow Centre for Virus Research, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, 464 Bearsden Road, Glasgow G61 1QH, UK
| | | | - Margarida Alves
- 3Centro de Investigação em Biociências e Tecnologias da Saúde (CBiOS), Faculdade de Medicina Veterinária (FMV)/Universidade Lusófona de Humanidades e Tecnologias (ULHT), Lisbon, Portugal
| | - Adam J Bell
- 1MRC-University of Glasgow Centre for Virus Research, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, 464 Bearsden Road, Glasgow G61 1QH, UK
| | - Joanna S Morris
- 4School of Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, 464 Bearsden Road, Glasgow G61 1QH, UK
| | - Ruth F Jarrett
- 1MRC-University of Glasgow Centre for Virus Research, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, 464 Bearsden Road, Glasgow G61 1QH, UK
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13
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Beatty J. Viral causes of feline lymphoma: Retroviruses and beyond. Vet J 2014; 201:174-80. [DOI: 10.1016/j.tvjl.2014.05.026] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Revised: 05/11/2014] [Accepted: 05/17/2014] [Indexed: 11/30/2022]
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14
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Chiu HC, Chow KC, Fan YH, Chang SC, Chiou SH, Chiang SF, Chiou CH, Wu GH, Yang HC, Ho SP, Chen YK, Lee WC, Sun HS. Expression of EBV-encoded oncogenes and EBV-like virions in multiple canine tumors. Vet Microbiol 2013; 163:79-89. [PMID: 23380461 DOI: 10.1016/j.vetmic.2012.12.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Revised: 12/13/2012] [Accepted: 12/17/2012] [Indexed: 10/27/2022]
Abstract
Epstein-Barr virus (EBV) is a ubiquitous human oncovirus. Previous studies by us and others have indicated that pet dogs frequently encounter EBV or EBV-related viral infection. In this study, we explored whether EBV is involved in canine malignancies in dogs. EBV-specific BamHI W sequence was detected by polymerase chain reaction (PCR) in 10 of 12 canine tumor specimens, including 8 of 10 oral tumors. Using reverse transcription-PCR, gene expressions of latent membrane protein 1 (LMP 1) and BamHI H rightward reading frame 1 (BHRF1) were identified in 8 and 7 of 12 specimens, respectively. A novel LMP1 variant, T0905, was predominant in 5 canine tumor specimens and found to exist in EBV positive human BC-2 cells. Another LMP1 variant, T0902, was similar to human tumor variant JB7. The BHRF1 sequence identified from these canine tumors was identical to that of the B95-8 viral strain. LMP1 protein and EBV-encoded RNA (EBER) were detected by immunohistochemistry and fluorescent in situ hybridization, respectively, in several tumors, particularly in tumor nests of oral amelanotic melanomas. Furthermore, EBV-like virions adopting a herpesvirus egress pathway were detected in a canthal fibroblastic osteosarcoma and an oral amelanotic melanoma. In conclusion, we report the expressions of BHRF1 transcript (a viral anti-apoptotic protein), LMP1 (a viral oncoprotein) transcript and protein, EBER (a viral oncogenic RNA), and EBV-like virions in multiple canine tumors. The identity of BHRF1 and the resemblance of LMP1 variants between canine and human tumors indicate either a close evolutionary relationship between canine and human EBV, or the possibility of zoonotic transmission.
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Affiliation(s)
- Hung-Chuan Chiu
- Graduate Institute of Microbiology and Public Health, National Chung Hsing University, Taichung, Taiwan, ROC
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15
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Huang SH, Kozak PJ, Kim J, Habineza-Ndikuyeze G, Meade C, Gaurnier-Hausser A, Patel R, Robertson E, Mason NJ. Evidence of an oncogenic gammaherpesvirus in domestic dogs. Virology 2012; 427:107-17. [PMID: 22405628 DOI: 10.1016/j.virol.2012.02.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2011] [Revised: 01/13/2012] [Accepted: 02/08/2012] [Indexed: 12/12/2022]
Abstract
In humans, chronic infection with the gammaherpesvirus Epstein-Barr virus is usually asymptomatic; however some infected individuals develop hematological and epithelial malignancies. The exact role of EBV in lymphomagenesis is poorly understood partly because of the lack of clinically relevant animal models. Here we report the detection of serological responses against EBV capsid antigens in healthy dogs and dogs with spontaneous lymphoma and that dogs with the highest antibody titers have B cell lymphoma. Moreover, we demonstrate the presence of EBV-like viral DNA and RNA sequences and Latent Membrane Protein-1 in malignant lymph nodes of dogs with lymphoma. Finally, electron microscopy of canine malignant B cells revealed the presence of classic herpesvirus particles. These findings suggest that dogs can be naturally infected with an EBV-like gammaherpesvirus that may contribute to lymphomagenesis and that dogs might represent a spontaneous model to investigate environmental and genetic factors that influence gammaherpesvirus-associated lymphomagenesis in humans.
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Affiliation(s)
- Shih-Hung Huang
- Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104-6010, USA.
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16
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Milman G, Smith KC, Erles K. Serological detection of Epstein-Barr virus infection in dogs and cats. Vet Microbiol 2010; 150:15-20. [PMID: 21242039 DOI: 10.1016/j.vetmic.2010.12.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2010] [Revised: 12/03/2010] [Accepted: 12/07/2010] [Indexed: 10/18/2022]
Abstract
Epstein-Barr virus (EBV) is widespread in humans world-wide. The virus, which is linked to Burkitt's and Hodgkin lymphoma in humans, has recently been detected in pet dogs in Taiwan. The aim of this study was to determine if EBV is present in other canine populations, whether infection is associated with lymphoma in dogs, and whether infection is present in cats. Canine and feline serum samples were analysed by immunofluorescence assay. Antibodies to EBV or an EBV-like virus were detected in 38.4% of UK dog sera, 64% of US dog sera and 38% of cat sera. Canine blood samples, tissue samples from the palatine tonsil and formalin-fixed, paraffin-embedded biopsy samples from canine lymphoma cases were analysed by PCR. Using EBV-specific primers, EBV was detected in one tonsil sample, whereas all other samples tested were negative. PCR using consensus herpesvirus primers identified canine herpesvirus in twelve tonsil samples and one biopsy but no gammaherpesviruses were detected. Canine blood samples from EBV antibody-positive dogs were analysed by RT-PCR to determine if transcripts associated with lytic EBV infection (BcLF1) or latency (LMP2) were present, however all samples tested were negative. In conclusion, there is serological evidence of exposure to EBV or an EBV-like virus in dogs and cats but persistent infection in the canine palatine tonsil is rare and no evidence was found of EBV in canine peripheral blood mononuclear cells. The effect of EBV on canine and feline cells and the possible outcome of the infection for the host require further investigation.
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Affiliation(s)
- Gemma Milman
- The Royal Veterinary College, Department of Pathology and Infectious Diseases, Hawkshead Lane, Hatfield, AL9 7TA, United Kingdom
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17
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Rajčáni J, Asványi-Molnár N, Szathmary S. Herpesvirus-associated lymphomas: Investigations in humans and animal models. Acta Microbiol Immunol Hung 2010; 57:349-76. [PMID: 21183422 DOI: 10.1556/amicr.57.2010.4.3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Lymphomas are solid tumors consisting of lymphoid cells; they form a heterogeneous group of less or more malignant disorders. A portion of lymphomas develop due to latent herpesvirus infections established in B and/or T-lymphocytes. The basis for latency is a lifelong presence of the circularized covalently linked viral genome within nuclei of carrier lymphocytes. In certain cases, however, the essential event leading to tumor formation is the integration of a portion(s) of viral DNA into the host cell DNA. This leads to rearrangements within the host cell genome on one hand, and, on other hand, to unregulated expression of oncoproteins encoded by the integrated fragment. Our review deals with mechanisms of lymphoma formation regarding to the role of non-structural herpesvirus oncoproteins interfering with the regulation of cell division and/or exerting anti-apoptotic effects. In addition, the authors wish to highlight the common procedures, which allowed isolation and/or identification of lymphoma-associated viruses in cell cultures derived from tumors and/or proliferating lymphatic tissues.
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Affiliation(s)
- J Rajčáni
- Institute of Virology, Slovak Academy of Sciences, Institute of Virology, 84505 Bratislava, Slovak Republic, Hungary.
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18
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Magi GE, Di Pasquale S, Renzoni G. Cutaneous lymphomatoid granulomatosis (angiotropic lymphoma) in a dog: immunophenotyping analysis. Vet Res Commun 2009; 33 Suppl 1:145-7. [PMID: 19578958 DOI: 10.1007/s11259-009-9264-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- G E Magi
- Dipartimento di Scienze Veterinarie, Università degli Studi di Camerino, via Circonvallazione 93/95, 62024, Matelica, Macerata, Italy.
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Tischer BK, Osterrieder N. Herpesviruses--a zoonotic threat? Vet Microbiol 2009; 140:266-70. [PMID: 19616388 DOI: 10.1016/j.vetmic.2009.06.020] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2009] [Revised: 03/04/2009] [Accepted: 06/12/2009] [Indexed: 11/27/2022]
Abstract
Herpesviruses are highly host specific and share a long synchronous evolution with their hosts. Only in rare cases, species barriers fall and allow animal to human or human to animal transmission. Among the zoonotic herpesviruses, Cercopithecine herpesvirus 1 is the most significant and can be transmitted from macaques to human. Conversely, Human herpesvirus 1 is capable of causing severe disease in primates. Besides those two examples, there are several herpesviruses with a certainly limited or only suspected ability to cross species barriers. Those include Saimiriine herpesvirus 2, Phocid herpesvirus 2, Equid herpesvirus 1, Epstein-Barr Virus, Marek's disease virus, and Pseudorabies virus. Concerning xenotransplantations, porcine gammaherpesviruses must be considered as a zoonotic threat.
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Affiliation(s)
- B Karsten Tischer
- Institut für Virologie, Freie Universität Berlin, Philippstrasse 13, 10115 Berlin, Germany.
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El Bakkouri M, Seiradake E, Cusack S, Ruigrok RW, Schoehn G. Structure of the C-terminal head domain of the fowl adenovirus type 1 short fibre. Virology 2008; 378:169-76. [DOI: 10.1016/j.virol.2008.05.011] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2008] [Revised: 05/01/2008] [Accepted: 05/14/2008] [Indexed: 01/28/2023]
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21
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Sung HJ, Kim SJ, Lee JH, Lee G, Lee KA, Choi CW, Kim BS, Kim JS. Persistent anemia in a patient with diffuse large B cell lymphoma: pure red cell aplasia associated with latent Epstein-Barr virus infection in bone marrow. J Korean Med Sci 2007; 22 Suppl:S167-70. [PMID: 17923747 PMCID: PMC2694371 DOI: 10.3346/jkms.2007.22.s.s167] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
We report a case of pure red cell aplasia (PRCA), which was initially suspected as a result of bone marrow involvement of diffuse large B cell lymphoma. Persistent anemia without an obvious cause was observed in a 47-yr-old man diagnosed with relapsed diffuse large B cell lymphoma. The bone marrow study showed only erythroid hypoplasia without the evidence of bone marrow involvement with lymphoma cells, thus PRCA was suggested. However, parvovirus infection was excluded as a potential cause of PRCA because of negative IgM anti-parvovirus B19 antibody and negative parvovirus PCR in the serum. Latent Epstein-Barr virus (EBV) infection of bone marrow was suggested by in situ hybridization with EBV-encoded small RNA (EBER) that showed a strong positive expression in bone marrow cells. Thus, PRCA was thought to be associated with latent EBV infection in bone marrow cells. Although the finding of unexplained anemia is a possible predictor of bone marrow involvement with lymphoma cells, PRCA as a result of a viral infection including EBV should be considered in lymphoma patients. This is the first report of the occurrence of PRCA associated with latent EBV infection in a patient with non-Hodgkin's lymphoma.
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Affiliation(s)
- Hwa Jung Sung
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University Medical Center, Seoul, Korea
| | - Seok Jin Kim
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University Medical Center, Seoul, Korea
| | - Ji-Hye Lee
- Department of Pathology, Korea University Medical Center, Seoul, Korea
| | - Goeun Lee
- Department of Laboratory Medicine, Korea University Medical Center, Seoul, Korea
| | - Kyung A Lee
- Department of Laboratory Medicine, Hallym University Chunchon Sacred Heart Hospital, Chunchon, Korea
| | - Chul Won Choi
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University Medical Center, Seoul, Korea
| | - Byung Soo Kim
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University Medical Center, Seoul, Korea
| | - Jun Suk Kim
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University Medical Center, Seoul, Korea
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22
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Fan YH, Lin CD, Chiou SH, Chow KC, Chi YS, Lee LH, Shien JH, Shieh HK. Differential expression of U2AF35 in the arthritic joint of avian reovirus-infected chicks. Vet Immunol Immunopathol 2006; 114:49-60. [PMID: 16916547 DOI: 10.1016/j.vetimm.2006.07.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2006] [Accepted: 07/05/2006] [Indexed: 11/23/2022]
Abstract
To identify cell types and genes that are differentially expressed during immunopathogenesis of avian reovirus (ARV)-induced viral arthritis (VA), we inoculated arthrotropic strain S1133 of ARV into 1-day-old broilers, and examined tissue histology as well as RNA expression at different days post-inoculation (PI). Using immunohistochemical staining, we detected many CD68 expressing macrophages in and around the blood vessels of the arthritic joints. By RT-PCR, we found that expression of matrix metalloproteinase-2 (MMP-2) and bone morphogenetic protein-2 (BMP-2) was induced earlier in footpads and hock joints of ARV-infected chickens. By employing suppression subtractive hybridization (SSH) technique and RT-PCR, we further identified that small subunit of U2 snRNP auxiliary factor (U2AF35 or U2AF1) mRNA was differentially induced in the joint of ARV-infected chickens. By in situ hybridization (ISH), mRNA signals of U2AF35 and BMP-2 were located in chondrocytes within/near the epiphyseal plate and secondary center of ossification, and in epidermal cells and dermal fibroblast-like cells of arthritic joints. In addition, U2AF35 mRNA was expressed in the inflammatory infiltrates of the bone marrow of ARV-infected arthritic joints, while MMP-2 was mainly detected in chondrocytes. Interestingly, among U2AF35, MMP-2, and BMP-2 that were differentially expressed in the joint of ARV-infected chickens, only U2AF35 induction correlated well with arthritic manifestation. Because U2AF35 may assist in mRNA splicing of proinflammatory chemokines and cytokines, our results indicated that U2AF35 induction might play an immunopathological role in ARV-induced arthritis. This study has first associated U2AF35 to viral arthritis.
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Affiliation(s)
- Yi-Hsin Fan
- Graduate Institute of Veterinary Microbiology, National Chung Hsing University, 250 Kuo Kuang Road, Taichung 40227, Taiwan, ROC
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