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Bisceglia M, Minenna E, Altobella A, Sanguedolce F, Panniello G, Bisceglia S, Ben-Dor DJ. Anaplastic Kaposi's Sarcoma of the Adrenal in an HIV-negative Patient With Literature Review. Adv Anat Pathol 2019; 26:133-149. [PMID: 30212382 DOI: 10.1097/pap.0000000000000213] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Kaposi's sarcoma (KS) is a peculiar tumor of viral etiology, with the HHV8 rhadinovirus playing a fundamental role in its development. Several epidemiological categories of KS have been identified, of which the sporadic, endemic, iatrogenic, and the epidemic are the main ones. Several histologic disease morphologies have been described, such as inflammatory, angiomatous, spindle cell, mixed, and the anaplastic (sarcomatous) subtypes. The skin of the limbs is most commonly affected, but any other organ or site may be involved. Microscopically KS may enter the differential diagnosis with several different entities, and for this purpose the immunohistochemical detection of the viral latent nuclear antigen-1 (LNA-1) may be crucial. Sporadic KS is usually benign, but rarely it may be aggressive. Anaplastic histology heralds an ominous course in any clinical context. We report a case of anaplastic retroperitoneal KS, occurring in an HIV-negative adult man. This patient presented with a huge left suprarenal mass, which was totally resected, and initially diagnosed as inflammatory leiomyosarcoma, because of the monomorphic spindle cell tumor morphology. After 12 years the tumor recurred locally as an unresectable mass, which was biopsied and examined. At the time of recurrence, the histologic slides of the primary tumor were reviewed, and the previous diagnosis was changed to that of atypical KS. Histologically the recurrent tumor showed both spindle cell and epithelioid appearances. Strongly diffuse HHV8/LAN-1 immunopositivity was documented in both tumors. The final diagnosis for the entire case was anaplastic KS. Then, the patient died in a few months.
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Affiliation(s)
- Michele Bisceglia
- Department of Anatomic Pathology, School of Biomedical Sciences, Etromapmax Pole, Lesina (FG)
| | - Elena Minenna
- Department of Medical and Surgical Sciences, School of Allergology and Clinical Immunology, University of Foggia
| | | | | | | | - Stefano Bisceglia
- Department of Emergency Medicine, Polyclinic of Modena, Modena, Italy
| | - David J Ben-Dor
- Department of Pathology, The Barzilai Medical Center, Ashkelon, Israel
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Bruce AG, Barcy S, Staheli J, Bielefeldt-Ohmann H, Ikoma M, Howard K, Rose TM. Experimental co-transmission of Simian Immunodeficiency Virus (SIV) and the macaque homologs of the Kaposi Sarcoma-Associated Herpesvirus (KSHV) and Epstein-Barr Virus (EBV). PLoS One 2018; 13:e0205632. [PMID: 30444879 PMCID: PMC6239284 DOI: 10.1371/journal.pone.0205632] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 11/02/2018] [Indexed: 12/29/2022] Open
Abstract
Macaque RFHV and LCV are close homologs of human KSHV and EBV, respectively. No experimental model of RFHV has been developed due to the lack of a source of culturable infectious virus. Screening of macaques at the Washington National Primate Research Center detected RFHV in saliva of SIV-infected macaques from previous vaccine studies. A pilot experimental infection of two naïve juvenile pig-tailed macaques was initiated by inoculation of saliva from SIV-infected pig-tailed and cynomolgus macaque donors, which contained high levels of DNA (> 10(6) genomes/ml) of the respective species-specific RFHV strain. Both juvenile recipients developed SIV and RFHV infections with RFHV DNA detected transiently in saliva and/or PBMC around week 16 post-infection. One juvenile macaque was infected with the homologous RFHVMn from whole saliva of a pig-tailed donor, which had been inoculated into the cheek pouch. This animal became immunosuppressed, developing simian AIDS and was euthanized 23 weeks after inoculation. The levels of RFHV DNA in saliva and PBMC remained below the level of detection after week 17, showing no reactivation of the RFHVMn infection during the rapid development of AIDS. The other juvenile macaque was infected with the heterologous RFHVMf from i.v. inoculation of purified virions from saliva of a cynomolgus donor. The juvenile recipient remained immunocompetent, developing high levels of persistent anti-RFHV and -SIV antibodies. After the initial presence of RFHVMf DNA in saliva and PBMC decreased to undetectable levels by week 19, all attempts to reactivate the infection through additional inoculations, experimental infection with purified SRV-2 or SIV, or immunosuppressive treatments with cyclosporine or dexamethasone were unsuccessful. An heterologous LCV transmission was also detected in this recipient, characterized by continual high levels of LCVMf DNA from the cynomolgus donor in both saliva (> 10(6) genomes/ml) and PBMC (> 10(4) genomes/million cells), coupled with high levels of anti-LCV antibodies. The macaque was sacrificed 209 weeks after the initial inoculation. Low levels of LCVMf DNA were detected in salivary glands, tonsils and other lymphoid organs, while RFHVMf DNA was below the level of detection. These results show successful co-transmission of RFHV and LCV from saliva and demonstrate differential lytic activation of the different gammaherpesvirus lineages due to presumed differences in biology and tropism and control by the host immune system. Although this initial pilot transmission study utilized only two macaques, it provides the first evidence for experimental transmission of the macaque homolog of KSHV, setting the stage for larger transmission studies to examine the differential activation of rhadinovirus and lymphocryptovirus infections and the pathological effects of immunosuppression.
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Affiliation(s)
- A. Gregory Bruce
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, Washington, United States of America
- Department of Pathobiology, University of Washington, Seattle, Washington, United States of America
| | - Serge Barcy
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, Washington, United States of America
- Department of Pediatrics, University of Washington, Seattle, Washington, United States of America
| | - Jeannette Staheli
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, Washington, United States of America
- Department of Pathobiology, University of Washington, Seattle, Washington, United States of America
| | - Helle Bielefeldt-Ohmann
- Washington National Primate Research Center, University of Washington, Seattle, Washington, United States of America
| | - Minako Ikoma
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, Washington, United States of America
| | - Kellie Howard
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, Washington, United States of America
- Department of Pathobiology, University of Washington, Seattle, Washington, United States of America
| | - Timothy M. Rose
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, Washington, United States of America
- Department of Pathobiology, University of Washington, Seattle, Washington, United States of America
- Department of Pediatrics, University of Washington, Seattle, Washington, United States of America
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3
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Base-By-Base Version 3: New Comparative Tools for Large Virus Genomes. Viruses 2018; 10:v10110637. [PMID: 30445717 PMCID: PMC6265842 DOI: 10.3390/v10110637] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 11/10/2018] [Accepted: 11/13/2018] [Indexed: 11/24/2022] Open
Abstract
Base-By-Base is a comprehensive tool for the creation and editing of multiple sequence alignments that is coded in Java and runs on multiple platforms. It can be used with gene and protein sequences as well as with large viral genomes, which themselves can contain gene annotations. This report describes new features added to Base-By-Base over the last 7 years. The two most significant additions are: (1) The recoding and inclusion of “consensus-degenerate hybrid oligonucleotide primers” (CODEHOP), a popular tool for the design of degenerate primers from a multiple sequence alignment of proteins; and (2) the ability to perform fuzzy searches within the columns of sequence data in multiple sequence alignments to determine the distribution of sequence variants among the sequences. The intuitive interface focuses on the presentation of results in easily understood visualizations and providing the ability to annotate the sequences in a multiple alignment with analytic and user data.
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Atkins HM, Lombardini ED, Caudell DL, Appt SE, Dubois A, Cline JM. Decidualization of Endometriosis in Macaques. Vet Pathol 2016; 53:1252-1258. [PMID: 27281017 DOI: 10.1177/0300985816646433] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The decidua is the superficial portion of endometrium that transforms, or decidualizes, under the influence of progesterone to nourish the early embryo during pregnancy. Deciduae outside the uterus are found in nearly 100% of human pregnancies. This condition, known as deciduosis, may mimic malignancy, resulting in additional diagnostic procedures that place the mother, baby, or both at risk. Deciduosis has been described in both Old World and New World nonhuman primates in conjunction with pregnancy and after treatment with exogenous progestins. Here the authors present 6 cases of deciduosis associated with endometriotic lesions in female rhesus and cynomolgus macaques (Macaca mulatta and Macaca fascicularis). Full diagnostic necropsies with histologic analyses were performed on all animals. Deciduae were stained with hematoxylin and eosin and by immunohistochemistry for vimentin, CD10, progesterone receptor, estrogen receptor, desmin, cytokeratin, kermix P8, chorionic gonadotropin, human placental lactogen, and calretinin. The most common clinical signs were abdominal pain (4 of 6) and anorexia (2 of 6). At necropsy, macaque uteri were often enlarged or disfigured (4 of 6) with abundant fibrous adhesions (5 of 6). Affected tissue consisted of epithelial-lined cysts and decidualized stroma with scattered gamma/delta T cells. Decidualized stromal cells were large and polyhedral with abundant cytoplasm and round vesicular nuclei. They stained positive for vimentin, CD10, progesterone, and estrogen. In summary, these cases illustrate deciduosis in 6 nonhuman primates with endometriosis. Understanding decidualization in nonhuman primates will aid in elucidating the pathophysiology of deciduosis during pregnancy or endometriosis and potentially lead to new interventions.
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Affiliation(s)
- H M Atkins
- Department of Pathology, Section on Comparative Medicine, School of Medicine, Wake Forest University, Medical Center Boulevard, Winston-Salem, NC, USA
| | - E D Lombardini
- Division of Comparative Pathology, Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - D L Caudell
- Department of Pathology, Section on Comparative Medicine, School of Medicine, Wake Forest University, Medical Center Boulevard, Winston-Salem, NC, USA
| | - S E Appt
- Department of Pathology, Section on Comparative Medicine, School of Medicine, Wake Forest University, Medical Center Boulevard, Winston-Salem, NC, USA
| | - A Dubois
- Department of Medicine, F. Edward Hébert School of Medicine, Laboratory of Gastrointestinal and Liver Studies, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - J M Cline
- Department of Pathology, Section on Comparative Medicine, School of Medicine, Wake Forest University, Medical Center Boulevard, Winston-Salem, NC, USA
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Next-generation sequence analysis of the genome of RFHVMn, the macaque homolog of Kaposi's sarcoma (KS)-associated herpesvirus, from a KS-like tumor of a pig-tailed macaque. J Virol 2013; 87:13676-93. [PMID: 24109218 DOI: 10.1128/jvi.02331-13] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The complete sequence of retroperitoneal fibromatosis-associated herpesvirus Macaca nemestrina (RFHVMn), the pig-tailed macaque homolog of Kaposi's sarcoma-associated herpesvirus (KSHV), was determined by next-generation sequence analysis of a Kaposi's sarcoma (KS)-like macaque tumor. Colinearity of genes was observed with the KSHV genome, and the core herpesvirus genes had strong sequence homology to the corresponding KSHV genes. RFHVMn lacked homologs of open reading frame 11 (ORF11) and KSHV ORFs K5 and K6, which appear to have been generated by duplication of ORFs K3 and K4 after the divergence of KSHV and RFHV. RFHVMn contained positional homologs of all other unique KSHV genes, although some showed limited sequence similarity. RFHVMn contained a number of candidate microRNA genes. Although there was little sequence similarity with KSHV microRNAs, one candidate contained the same seed sequence as the positional homolog, kshv-miR-K12-10a, suggesting functional overlap. RNA transcript splicing was highly conserved between RFHVMn and KSHV, and strong sequence conservation was noted in specific promoters and putative origins of replication, predicting important functional similarities. Sequence comparisons indicated that RFHVMn and KSHV developed in long-term synchrony with the evolution of their hosts, and both viruses phylogenetically group within the RV1 lineage of Old World primate rhadinoviruses. RFHVMn is the closest homolog of KSHV to be completely sequenced and the first sequenced RV1 rhadinovirus homolog of KSHV from a nonhuman Old World primate. The strong genetic and sequence similarity between RFHVMn and KSHV, coupled with similarities in biology and pathology, demonstrate that RFHVMn infection in macaques offers an important and relevant model for the study of KSHV in humans.
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Takano JI, Leon A, Kato M, Abe Y, Fujimoto K. Isolation and DNA characterization of a simian retrovirus 5 from a Japanese monkey (Macaca fuscata). J Gen Virol 2013; 94:955-959. [PMID: 23324469 DOI: 10.1099/vir.0.047621-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
An SRV-like virus was isolated from a colony-born Japanese monkey. To identify this SRV-like virus, we designed universal primers at regions that were conserved among the reported SRV sequences in the 5'-LTR and the short ORF and we obtained plasmid clones containing the complete gag, prt, pol and env genes. The full-length sequences of the isolate were determined from the plasmids and by direct sequencing. Sequence comparisons and phylogenetic analyses indicated that this SRV-like virus had a sequence identical to the reported 626 bp of SRV-5. In this study, we isolated SRV5/JPN/2005/V1 from a Japanese monkey and characterized the full-length SRV-5 sequence.
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Affiliation(s)
- Jun-Ichiro Takano
- The Corporation for Production and Research of Laboratory Primates, 1-16-2 Sakura, Tsukuba, Ibaraki 305-0003, Japan.,Tsukuba Primate Research Center, National Institute of Biomedical Innovation, 1-1 Hachimandai, Tsukuba, Ibaraki 305-0843, Japan
| | - Arlene Leon
- BioReliance Corporation, 9630 Medical Center Drive, Rockville, MD 20850, USA
| | - Miyoko Kato
- The Corporation for Production and Research of Laboratory Primates, 1-16-2 Sakura, Tsukuba, Ibaraki 305-0003, Japan
| | - Yuko Abe
- Amami Wild Animal Research Center Inc., Tatsugo, Amami, Kagoshima 894-0105, Japan
| | - Koji Fujimoto
- The Corporation for Production and Research of Laboratory Primates, 1-16-2 Sakura, Tsukuba, Ibaraki 305-0003, Japan
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Hampton AL, Colby LA, Bergin IL. Facial paralysis and lymphocytic facial neuritis in a rhesus macaque (Macaca mulatta) positive for simian retrovirus type D2. Comp Med 2011; 61:538-545. [PMID: 22330582 PMCID: PMC3236697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2011] [Revised: 03/03/2011] [Accepted: 07/22/2011] [Indexed: 05/31/2023]
Abstract
Simian retrovirus type D (SRVD) is a naturally occurring betaretrovirus in nonhuman primates of the genus Macaca. Infection can lead to a variety of clinical, hematologic, and histopathologic abnormalities. We report an unusual clinical presentation of facial paralysis and histologic lymphocytic neuritis in an SRVD type 2 (SRVD2)-infected rhesus macaque (Macaca mulatta) with a catheter-associated vena caval thrombus, anemia, thrombocytopenia, and multisystemic lymphoid hyperplasia. At initial presentation, a right atrial mass was detected by echocardiography. The macaque was clinically asymptomatic but had persistent anemia, thrombocytopenia, hyperglobulinemia, and later neutropenia. It was seropositive for SRV and PCR-positive for SRVD 2. Approximately 1 mo after initial presentation, the macaque developed right facial paralysis and was euthanized. Histologic lesions included lymphoplasmacytic aggregates affecting multiple organs, consistent with SRV-related lymphoid hyperplasia. The right facial nerve showed lymphoplasmacytic inflammation. The nerve itself was negative immunohistochemically for SRV antigen, but antigen was present infrequently in pericapillary lymphoid cells within the facial nerve and abundantly within lymphoid aggregates in the adjacent parotid salivary gland, bone marrow, and soft tissue. Known neurotropic viruses could not be identified. Given the widespread inflammation in this macaque, particularly in the area surrounding the facial nerve, lymphocytic neuritis and facial paralysis likely were an indirect effect of SRV infection due to local extension of SRV-related inflammation in the surrounding tissue.
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Affiliation(s)
- Anna L Hampton
- Unit for Laboratory Animal Medicine, University of Michigan Medical School, Ann Arbor, Michigan, USA; Laboratory Animal Resources Unit, College of Veterinary Medicine, North Carolina State, Raleigh, North Carolina, USA.
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Mitchell JL, Murrell CK, Auda G, Almond N, Rose NJ. Early immunopathology events in simian retrovirus, type 2 infections prior to the onset of disease. Virology 2011; 413:161-8. [PMID: 21349567 DOI: 10.1016/j.virol.2011.02.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2010] [Revised: 01/17/2011] [Accepted: 02/02/2011] [Indexed: 11/18/2022]
Abstract
Immunopathology during early simian retrovirus type 2 (SRV-2) infection is poorly characterized. Here, viral dynamics, immune response and disease progression in transiently- or persistently-infected cynomolgus macaques are assessed. Viral nucleic acids were detected in selected lymphoid tissues of both persistently- and transiently-infected macaques, even after viral clearance from the periphery. Immunohistochemical staining of lymphoid tissues revealed alterations in a number of immune cell populations in both transiently- and persistently-infected macaques. The precise pattern depended upon the infection status of the macaque and the marker studied. Gross immunopathological changes in lymphoid tissues were similar between SRV infection and those observed for other simian retroviruses SIV and STLV, suggesting a common immunopathological response to infection with these agents.
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Affiliation(s)
- Jane L Mitchell
- Division of Retrovirology, National Institute for Biological Standards and Control, A Centre of the Health Protection Agency, Blanche Lane, South Mimms, Potters Bar, Hertfordshire EN6 3QG, UK.
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Lerche NW. Simian retroviruses: infection and disease--implications for immunotoxicology research in primates. J Immunotoxicol 2010; 7:93-101. [PMID: 20433415 DOI: 10.3109/15476911003657406] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Non-human primates have assumed an important role in preclinical safety assessment studies, particularly in the evaluation of biopharmaceutical and immunomodulatory therapies. Naturally occurring simian retrovirus infections may adversely affect the suitability of primates for use in such studies. Various species of non-human primates are the natural hosts for six exogenous retroviruses, representing five genera within the family Retroviridae. Retroviruses establish persistent infections with a broad spectrum of pathogenic potential, ranging from nonpathogenic to highly pathogenic, depending on the variety of the host, virus, and environmental factors. In the context of immunotoxicology, in which the research objective is to specifically evaluate the effect of drugs or biologics on the immune system, the immune modulatory effects of simian retroviruses, which may be subtle or profound, may introduce significant confounding into the studies of immunotoxic effects utilizing non-human primates. Latent or subclinical retrovirus infections are common and research-related procedures may lead to virus reactivation or overt disease. Adverse effects of undetected retrovirus infections on preclinical research include the loss of experimental subjects (and potentially of statistical power) due to increased morbidity and mortality, virus-induced clinical abnormalities, histologic lesions, alteration of physiologic parameters and biologic responses, and interference with in vitro assays and/or cytolytic destruction of primary cell cultures. The aim of this review is to provide an overview of the key biological, clinical, and pathological features of several important simian retroviruses, with emphasis on viruses infecting macaques and other primate species commonly used in preclinical research, and a discussion of the implications of these infections for immunotoxicology and other preclinical research in primates. Adequate pre-study retrovirus screening is essential to exclude retrovirus-infected primates from research protocols.
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Affiliation(s)
- Nicholas W Lerche
- California National Primate Research Center, University of California, Davis, CA 95616-8542, USA.
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Chung HK, Unangst T, Treece J, Weiss D, Markham P. Development of real-time PCR assays for quantitation of simian betaretrovirus serotype-1, -2, -3, and -5 viral DNA in Asian monkeys. J Virol Methods 2008; 152:91-7. [PMID: 18597861 DOI: 10.1016/j.jviromet.2008.05.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2007] [Revised: 04/17/2008] [Accepted: 05/08/2008] [Indexed: 10/21/2022]
Abstract
Simian betaretroviruses (SRV), formerly known as simian type D retroviruses, are endemic in many populations of Asian monkeys of the genus Macaca. Asian monkeys have been used extensively as animal models for preclinical HIV vaccine development, therapeutics, and other biomedical studies. SRV infection can sometimes lead to immune deficiency disease, which complicates such studies; thus, it is important to screen for SRV infection and remove infected animals from test populations. Real-time PCR assays were developed to specifically quantify SRV-1/3, SRV-2, and SRV-5 proviral DNA. The SRV provirus copy numbers were standardized relative to real-time PCR measurements of the rhesus macaque albumin gene. The primers and TaqMan probe sequences for the rhesus macaque (Indian origin) albumin gene also detect cynomolgus macaque and rhesus macaque (Chinese origin) albumin genes. The SRV primers and probes were designed to amplify gag gene sequences of SRV-1/3 (GeneBank accession number M11841), SRV-2 (GeneBank accession number M16605), and SRV-5 (GeneBank accession number AF252389). The optimized reactions for detection of each SRV serotype and the macaque albumin gene had amplification efficiencies of greater than 90% with a linear range spanning 1 x 10(1) to 2.5 x 10(6) copies per reaction. The R(2) values of all standard curves were greater than 0.995. Of 40 animals housed in quarantine, four animals were positive for SRV-1/3 with 28, 5450, 9780, and 14,500 copies of provirus per 10(6) PBMCs, and one animal was positive for SRV-2 with provirus copy number of 7790 per 10(6) PBMCs. All of 40 animals appeared to be seronegative and had normal CD4(+) and CD8(+) T-cell counts. These quantitative real-time PCR assays enhance the detection and quantitation of SRV infection and will facilitate the elimination of this virus from macaque colonies.
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Affiliation(s)
- Hye-kyung Chung
- Advanced BioScience Laboratories, Inc, 5510 Nicholson Lane, Kensington, MD 20895, USA.
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