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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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Abstract
Wildlife conservation efforts are increasingly faced with declining, overcrowded or fragmented populations, environmental contamination, and the introduction of new species of either competitors or pathogens. These efforts are coming under increased public scrutiny in their attempt to balance human social and economic needs with those of wildlife. The integration of veterinary medicine as part of a multidisciplinary approach to conservation can assist in the successful planning, implementation and evaluation of conservation projects. Beyond the role of immobilizing animals, veterinarians can contribute to assessing and monitoring the health of wild populations, and can train others in modern approaches to working with and caring for wildlife.
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McManamon R. Diagnostic Testing in Nonhuman Primates. J Exot Pet Med 2008. [DOI: 10.1053/j.jepm.2007.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Abstract
Herpesviruses are found throughout the animal kingdom. Members of this family share properties including a highly orchestrated system of transcription, destruction of the host cell by active viral replication and an ability to persist in the host in a latent form. Human herpesviruses have all been implicated in causing substantial disease after allotransplantation. Often transmission of these viruses has been through the donor organ or blood products. Analogous species of herpesviruses exist in nonhuman primates. Accordingly, concern regarding the risk of their transmission and disease exists with xenotransplant procedures. This chapter reviews herpesviruses of nonhuman primates and their potential implication for causing disease after xenotransplantation.
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Affiliation(s)
- M G Michaels
- Division of Allergy, Immunology and Infectious Diseases, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, 3705 Fifth Avenue, Pittsburgh, PA 15213, USA.
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Hansen SG, Strelow LI, Franchi DC, Anders DG, Wong SW. Complete sequence and genomic analysis of rhesus cytomegalovirus. J Virol 2003; 77:6620-36. [PMID: 12767982 PMCID: PMC156187 DOI: 10.1128/jvi.77.12.6620-6636.2003] [Citation(s) in RCA: 147] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2002] [Accepted: 03/19/2003] [Indexed: 11/20/2022] Open
Abstract
The complete DNA sequence of rhesus cytomegalovirus (RhCMV) strain 68-1 was determined with the whole-genome shotgun approach on virion DNA. The RhCMV genome is 221,459 bp in length and possesses a 49% G+C base composition. The genome contains 230 potential open reading frames (ORFs) of 100 or more codons that are arranged colinearly with counterparts of previously sequenced betaherpesviruses such as human cytomegalovirus (HCMV). Of the 230 RhCMV ORFs, 138 (60%) are homologous to known HCMV proteins. The conserved ORFs include the structural, replicative, and transcriptional regulatory proteins, immune evasion elements, G protein-coupled receptors, and immunoglobulin homologues. Interestingly, the RhCMV genome also contains sequences with homology to cyclooxygenase-2, an enzyme associated with inflammatory processes. Closer examination identified a series of candidate exons with the capacity to encode a full-length cyclooxygenase-2 protein. Counterparts of cyclooxygenase-2 have not been found in other sequenced herpesviruses. The availability of the complete RhCMV sequence along with the ability to grow RhCMV in vitro will facilitate the construction of recombinant viral strains for identifying viral determinants of CMV pathogenicity in the experimentally infected rhesus macaque and to the development of CMV as a vaccine vector.
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Affiliation(s)
- Scott G Hansen
- Vaccine and Gene Therapy Institute, Oregon Health & Science University, Beaverton, Oregon 97006, USA
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Affiliation(s)
- Jonathan S. Allan
- Department of Virology and Immunology, Southwest Foundation for Biomedical Research, San Antonio, Texas, USA
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Buchl SJ, Keeling ME, Voss WR. Establishing Specific Pathogen-Free (SPF) Nonhuman Primate Colonies. ILAR J 2001; 38:22-27. [PMID: 11528043 DOI: 10.1093/ilar.38.1.22] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Stephanie J. Buchl
- Department of Veterinary Sciences, M.D. Anderson Cancer Center, University of Texas, Bastrop, Texas, USA
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Abstract
The shortage of cadaveric human organs for transplantation may, be alleviated by the use of xenografts as a therapeutic option for end-stage organ failure. Successful attempts have been made to prevent rejection of xenograft tissues in humans. The potential spread of animal-derived pathogens to the xenograft recipient is a complication of xenotransplantation, which must be addressed. This can be complicated further by, the presence of new pathogens, new clinical syndromes, and altered behaviour of these organisms in the immunocompromised recipient. There is concern over the possible activation of latent viruses, including retroviruses, from xenograft tissues. This paper discusses the possible dangers of transmission of animal viruses to humans via xenotransplantation.
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Affiliation(s)
- D K Langat
- Institute of Primate Research, National Museums of Kenya, Karen, Nairobi
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McBride LH, Taylor RM, Hogarth RH, Kinter KM. Xenotransplantation. JOURNAL OF TRANSPLANT COORDINATION : OFFICIAL PUBLICATION OF THE NORTH AMERICAN TRANSPLANT COORDINATORS ORGANIZATION (NATCO) 1999; 9:257-62. [PMID: 10889699 DOI: 10.7182/prtr.1.9.4.9265g05412773tq4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Xenotransplantation is a potentially promising but exceedingly complex issue. It is critical that this subject be discussed within and outside the transplant community. The need for an expanded organ supply is urgent, but the scientific and ethical positions are complex. This article reviews the current status of xenotransplantation, including the potential benefits and risks; discusses multiple ethical issues; and makes recommendations for the transplant coordinator.
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Jainkittivong A, Langlais RP. Herpes B virus infection. ORAL SURGERY, ORAL MEDICINE, ORAL PATHOLOGY, ORAL RADIOLOGY, AND ENDODONTICS 1998; 85:399-403. [PMID: 9574948 DOI: 10.1016/s1079-2104(98)90064-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Herpes B virus (B virus) infection is common in macaques. Primary infection of B virus in primates is similar to herpes simplex virus 1 infection in human beings, but B virus generally produces only mild localized lesions in its natural host. In human beings, however, B virus can cause severe infection that may lead to death from encephalitis. Contact with monkey saliva, tissues, or tissue fluids is the most commonly reported route of transmission of B virus; a single case of person-to-person transmission has been reported. Airborne transmission is postulated to have occurred as a result of clinical circumstances in two reported cases, but there is no strong evidence to support the hypothesis of aerosol infection. Because B virus infection in human beings is often fatal, awareness of the risk of B virus infection should be emphasized. Although B virus infection in human beings is rare, it is an occupational health risk in exposed health care workers and laboratory personnel. This review of the literature of B virus infection includes case reports and a discussion of the nature of the B virus, characteristics of B virus infection in primates and human beings, the treatment of human infection, and the implications for dental health care providers. This report also serves as an introduction of the disease to the dental literature.
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Affiliation(s)
- A Jainkittivong
- Department of Oral Medicine, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
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Warren KS, Niphuis H, Verschoor EJ, Swan RA, Heeney JL. Seroprevalence of specific viral infections in confiscated orangutans (Pongo pygmaeus). J Med Primatol 1998; 27:33-7. [PMID: 9606041 DOI: 10.1111/j.1600-0684.1998.tb00066.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A serological survey of confiscated orangutans was conducted to determine the prevalence of specific viral infections cross reacting with human viruses. Antibodies specific for human hepatitis A (HAV) and B (HBV) viruses, herpes simplex viruses (HSV), and human T-lymphotropic virus (HTLV types I and II), as well as for the simian type D retroviruses (SRV types 1 to 3) and simian immunodeficiency virus (SIV) were tested in samples from 143 orangutans. Results revealed a high prevalence of potential pathogens. The most prevalent viral infection found was HBV (59.4% prevalence) of which 89.4% of infected individuals seroconverted to the non-infectious state and 10.6% remained as chronic carriers. Antibodies to HAV, HSV, HTLV-1, and SRV were also detected but at a lower prevalence. There was no evidence of lentiviral infections in this group of animals. The results confirm the importance of quarantine and the need for diagnostic differentiation of virus infections to determine if they are of human origin or unique orangutan viruses.
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Affiliation(s)
- K S Warren
- Wanariset Orangutan Reintroduction Centre, East Kalimantan, Indonesia
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Carlson CS, O'Sullivan MG, Jayo MJ, Anderson DK, Harber ES, Jerome WG, Bullock BC, Heberling RL. Fatal disseminated cercopithecine herpesvirus 1 (herpes B infection in cynomolgus monkeys (Macaca fascicularis). Vet Pathol 1997; 34:405-14. [PMID: 9381651 DOI: 10.1177/030098589703400504] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Two adult female cynomolgus monkeys (Macaca fascicularis) that had been housed together for 4 months died within 2 weeks of each other after brief illnesses. Monkey No. 1 presented with collapse, watery stool, and hypothermia and died overnight. Monkey No. 2 presented with dyspnea, nasal discharge, leukopenia, and hypoproteinemia and was euthanized after 2 days. Both animals had peritoneal effusions, massive necrosis of pharyngeal, esophageal, and gastric mucosa, and multifocal hepatic and pancreatic necrosis. Monkey No. 2 also had lingual ulcers and locally extensive necrosis of spleen, adrenal glands, and lymph nodes. Large numbers of eosinophilic intranuclear inclusion bodies were present in epithelial and syncytial cells adjoining the necrotic foci in Monkey No. 2 but were absent in Monkey No. 1. Monkey No. 1 seroconverted to cercopithecine herpesvirus 1 (CHV-1, commonly known as herpes B) in the month before death. CHV-1 was isolated from a sample of stomach from Monkey No. 2, and electron microscopy of liver from this animal demonstrated herpesvirus particles within hepatocytes. Both animals were seropositive for simian type D retrovirus, and the virus was cultured from the liver of Monkey No. 2. A diagnosis of disseminated CHV-1 infection was made, possibly occurring secondary to immunosuppression due to infection with simian type D retrovirus. Although a high percentage of cynomolgus monkeys are apparently infected with CHV-1, disseminated disease is rare. Because infection with CHV-1 in humans is associated with a high fatality rate, familiarity with the lesions of disseminated infection with this virus is important.
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Affiliation(s)
- C S Carlson
- Department of Comparative Medicine, Bowman Gray School of Medicine, Wake Forest University, Winston-Salem, NC, USA
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McChesney MB, Miller CJ, Rota PA, Zhu YD, Antipa L, Lerche NW, Ahmed R, Bellini WJ. Experimental measles. I. Pathogenesis in the normal and the immunized host. Virology 1997; 233:74-84. [PMID: 9201218 DOI: 10.1006/viro.1997.8576] [Citation(s) in RCA: 110] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
An animal model to study measles pathogenesis and the correlates of protective immunity was established using rhesus monkeys. A measles isolate, obtained during an epidemic of measles in the primate colony at the University of California, Davis, was passaged through rhesus monkeys and amplified in rhesus mononuclear cells to create a pathogenic virus stock. Sequence analysis of the nucleoprotein and hemagglutinin genes of this isolate revealed strong homology with the Chicago 89 strain of measles virus. Conjunctival/intranasal inoculation of juvenile rhesus monkeys with this virus resulted in skin rash, pneumonia, and systemic infection with dissemination to other mucosal sites and to the lymphoid tissues. Inflammation and necrosis occurred in the lungs and lymphoid tissues and many cell types were infected with measles virus on Day 7 postinoculation (p.i.). The most commonly infected cell type was the B lymphocyte in lymphoid follicles. Measles antigen was found in follicular dendritic cells on Day 14 p.i. In contrast to naive monkeys infected with measles virus, animals vaccinated with the attenuated Moraten strain did not develop clinical or pathologic signs of measles after challenge. However, moderate to marked hyperplasia occurred in the lymph nodes and spleen of a vaccinated animal on Day 7 after pathogenic virus challenge, suggesting that an effective measles vaccine limits but does not prevent infection with wild-type measles virus.
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Affiliation(s)
- M B McChesney
- California Regional Primate Research Center, University of California, Davis 95616, USA.
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Chen Z, Ben K, Tian B, Zheng Y. Serological survey of a captive macaque colony in China for antibodies to simian type D retroviruses. J Med Primatol 1992. [DOI: 10.1111/j.1600-0684.1992.tb00609.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Zhibin Chen
- Department of ImmunologyTianjin Medical CollegeKunmingYunnanPeople's Republic of China
| | - Kunlong Ben
- Laboratory for Primate ImmunologyKunmingYunnanPeople's Republic of China
| | - Baoping Tian
- Unit of Animal ColonyKunming Institute of ZoologyChinese Academy of SciencesKunmingYunnanPeople's Republic of China
| | - Yongtang Zheng
- Laboratory for Primate ImmunologyKunmingYunnanPeople's Republic of China
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