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Kumar S, Laurence H, Owston MA, Sharp RM, Williams P, Lanford RE, Hubbard GB, Dick EJ. Natural pathology of the captive chimpanzee (Pan troglodytes): A 35-year review. J Med Primatol 2017; 46:271-290. [PMID: 28543059 DOI: 10.1111/jmp.12277] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
We present the spontaneous pathological lesions identified as a result of necropsy or biopsy for 245 chimpanzees (Pan troglodytes) over a 35-year period. A review of the pathology database was performed for all diagnoses on chimpanzees from 1980 to 2014. All morphologic diagnoses, associated system, organ, etiology, and demographic information were reviewed and analyzed. Cardiomyopathy was the most frequent lesion observed followed by hemosiderosis, hyperplasia, nematodiasis, edema, and hemorrhage. The most frequently affected systems were the gastrointestinal, cardiovascular, urogenital, respiratory, and lymphatic/hematopoietic systems. The most common etiology was undetermined, followed by degenerative, physiologic, neoplastic, parasitic, and bacterial. Perinatal and infant animals were mostly affected by physiologic etiologies and chimpanzee-induced trauma. Bacterial and physiologic etiologies were more common in juvenile animals. Degenerative and physiologic (and neoplastic in geriatric animals) etiologies predominated in adult, middle aged, and geriatric chimpanzees.
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Affiliation(s)
- Shyamesh Kumar
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Hannah Laurence
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA.,UC Davis School of Veterinary Medicine, Davis, CA, USA
| | - Michael A Owston
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - R Mark Sharp
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Priscilla Williams
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Robert E Lanford
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Gene B Hubbard
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Edward J Dick
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
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Laurence H, Kumar S, Owston MA, Lanford RE, Hubbard GB, Dick EJ. Natural mortality and cause of death analysis of the captive chimpanzee (Pan troglodytes): A 35-year review. J Med Primatol 2017; 46:106-115. [PMID: 28418090 DOI: 10.1111/jmp.12267] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/09/2017] [Indexed: 12/16/2022]
Abstract
We present the spontaneous causes of mortality for 137 chimpanzees (Pan troglodytes) over a 35-year period. A record review of the pathology database was performed and a primary cause of mortality was determined for each chimpanzee. The most common causes of mortality were as follows: cardiomyopathy (40% of all mortalities), stillbirth/abortion, acute myocardial necrosis, chimpanzee-induced trauma, amyloidosis, and pneumonia. Five morphologic diagnoses accounted for 61% of mortalities: cardiomyopathy, hemorrhage, acute myocardial necrosis, amyloidosis, and pneumonia. The most common etiologies were degenerative, undetermined, bacterial, traumatic, and neoplastic. The cardiovascular system was most frequently involved, followed by the gastrointestinal, respiratory, and multisystemic diseases. Degenerative diseases were the primary etiological cause of mortality of the adult captive chimpanzee population. Chimpanzee-induced trauma was the major etiological cause of mortality among the perinatal and infant population. This information should be a useful resource for veterinarians and researchers working with chimpanzees.
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Affiliation(s)
- Hannah Laurence
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA.,UC Davis School of Veterinary Medicine, Davis, CA, USA
| | - Shyamesh Kumar
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Michael A Owston
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Robert E Lanford
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Gene B Hubbard
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Edward J Dick
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
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Diagnosis and treatment of diffuse large B-cell lymphoma in an orangutan (Pongo pygmaeus). J Zoo Wildl Med 2015; 45:935-40. [PMID: 25632687 DOI: 10.1638/2013-0305.1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Lymphoma is a common malignancy observed in companion animals. This type of naturally occurring neoplasia has been uncommonly reported in great apes. Diffuse large B-cell lymphoma was diagnosed in an 8-yr-old captive orangutan (Pongo pygmaeus) with gastrointestinal disease by histologic and immunohistochemical methodologies. The orangutan was treated with three cycles of combination chemotherapy (intravenous Rituxan, cyclophosphamide, doxorubicin, and vincristine). The primate has been in good health and exhibiting normal behaviors for more than 15 mo following treatment.
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Bak EJ, Jho Y, Woo GH. Histopathologic and immunohistological evaluation of anaplastic large cell lymphoma with Epstein-Barr virus in an orangutan (Pongo pygmaeus). J Med Primatol 2014; 44:40-4. [DOI: 10.1111/jmp.12152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/10/2014] [Indexed: 11/29/2022]
Affiliation(s)
- Eun-Jung Bak
- Oral Cancer Research Institute; College of Dentistry; Yonsei University; Seoul Republic of Korea
| | | | - Gye-Hyeong Woo
- Laboratory of Histopathology; Department of Clinical Laboratory Science; Semyung University; Jecheon Republic of Korea
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Yamaguchi I, Myojo K, Sanada H, Sudo E, Ootsuka S, Okumura H, Takami A, Yoneshige T, Suzuki Y, Imaizumi M, Takada C, Kimoto N, Saeki K, Takaba K. Spontaneous Malignant T Cell Lymphoma in a Young Male Common Marmoset (Callithrix jacchus). J Toxicol Pathol 2013; 26:301-7. [PMID: 24155563 PMCID: PMC3787608 DOI: 10.1293/tox.26.301] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2012] [Accepted: 03/21/2013] [Indexed: 11/26/2022] Open
Abstract
We histopathologically and immunohistochemically investigated a case of malignant
lymphoma that spontaneously developed in a male common marmoset at two years of age.
Beginning at two years four months of age, the animal had an enlargement of the
submandibular and inguinal lymph nodes, small subcutaneous nodules near the right breast
and an approximately fivefold increase in peripheral lymphocyte count compared with the
previous examination value. The postmortem findings at two years eight months of age
showed lymphadenopathy with enlargement of the thymus and spleen. Small- to
intermediate-sized neoplastic lymphocytes had diffusely proliferated in the enlarged
nodes. The neoplastic cells were pleomorphic and had irregularly shaped nuclei. The
nuclear chromatin staining revealed hyperchromatism in the small-sized cells, and the
intermediate-sized cells exhibited vesicular staining. An immunohistochemical examination
indicated that the neoplastic lymphocytes were positive for CD3 and negative for CD20,
thus suggesting that they had originated from T cells. In addition, the proliferation of
high endothelial venules and reactive epithelioid histiocytes was observed. Scattered
tingible body-laden macrophages were infrequently detected. Neoplastic lymphocytes were
also observed in the thymus, spleen, heart, lungs, liver, kidneys, adrenal glands and
femoral and sternal bone marrow. This malignant lymphoma in a young male common marmoset
was considered to fit the category of “peripheral T-cell lymphoma, not otherwise specified
(PTCL-NOS)” according to the new WHO system of classification.
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Affiliation(s)
- Itaru Yamaguchi
- Toxicological Research Laboratories, Kyowa Hakko Kirin Co., Ltd., 1188 Shimotogari, Nagaizumi-cho, Sunto-gun, Shizuoka 411-8731, Japan
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Gibson-Corley KN, Haynes JS. Disseminated T-cell lymphoma in a bonobo (Pan paniscus). J Vet Diagn Invest 2011; 24:238-40. [PMID: 22362962 DOI: 10.1177/1040638711427175] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Disseminated lymphoma was diagnosed in an 8-year-old male bonobo (Pan paniscus). The male bonobo presented with a 4-6 week history of dyspnea and facial swelling around the eyes; thoracic radiographs and computed tomography scan indicated a craniodorsal mediastinal soft tissue mass. Upon gross examination, there was a large, cream to white mass expanding the mediastinum and pericardial sac. The mass extended along the thoracic aorta and cranial vena cava, through the thoracic inlet, along and encircling the trachea, and bilaterally into the thyroid glands. Microscopically, neoplastic lymphocytes were present in the thymus, trachea, lungs, kidney, heart, and numerous other tissues. Immunohistochemical staining of neoplastic lymphocytes revealed diffuse immunoreactivity for cluster of differentiation (CD)3 indicating T-cell lymphoma. Routine viral screening was negative via polymerase chain reaction.
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Affiliation(s)
- Katherine N Gibson-Corley
- Department of Veterinary Pathology, College of Veterinary Medicine, Iowa State University, Iowa City, IA 52242, USA.
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Varki NM, Strobert E, Dick EJ, Benirschke K, Varki A. Biomedical differences between human and nonhuman hominids: potential roles for uniquely human aspects of sialic acid biology. ANNUAL REVIEW OF PATHOLOGY-MECHANISMS OF DISEASE 2011; 6:365-93. [PMID: 21073341 DOI: 10.1146/annurev-pathol-011110-130315] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Although humans are genetically very similar to the evolutionarily related nonhuman hominids (chimpanzees, bonobos, gorillas, and orangutans), comparative studies suggest a surprising number of uniquely human differences in the incidence and/or severity of biomedical conditions. Some differences are due to anatomical changes that occurred during human evolution. However, many cannot be explained either by these changes or by known environmental factors. Because chimpanzees were long considered models for human disease, it is important to be aware of these differences, which appear to have been deemphasized relative to similarities. We focus on the pathophysiology and pathobiology of biomedical conditions that appear unique to humans, including several speculative possibilities that require further study. We pay particular attention to the possible contributions of uniquely human changes in the biology of cell-surface sialic acids and the proteins that recognize them. We also discuss the metabolic incorporation of a diet-derived nonhuman sialic acid, which generates a novel xeno-autoantigen reaction, and chronic inflammation known as xenosialitis.
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Affiliation(s)
- Nissi M Varki
- Glycobiology Research and Training Center, University of California at San Diego, La Jolla, 92093-0687, USA.
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Abstract
Advocates of chimpanzee research claim the genetic similarity of humans and chimpanzees make them an indispensable research tool to combat human diseases. Given that cancer is a leading cause of human death worldwide, one might expect that if chimpanzees were needed for, or were productive in, cancer research, then they would have been widely used. This comprehensive literature analysis reveals that chimpanzees have scarcely been used in any form of cancer research, and that chimpanzee tumours are extremely rare and biologically different from human cancers. Often, chimpanzee citations described peripheral use of chimpanzee cells and genetic material in predominantly human genomic studies. Papers describing potential new cancer therapies noted significant concerns regarding the chimpanzee model. Other studies described interventions that have not been pursued clinically. Finally, available evidence indicates that chimpanzees are not essential in the development of therapeutic monoclonal antibodies. It would therefore be unscientific to claim that chimpanzees are vital to cancer research. On the contrary, it is reasonable to conclude that cancer research would not suffer, if the use of chimpanzees for this purpose were prohibited in the US. Genetic differences between humans and chimpanzees, make them an unsuitable model for cancer, as well as other human diseases.
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Affiliation(s)
- Jarrod Bailey
- New England Anti-Vivisection Society, Boston, MA 02108-5100, USA.
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Abstract
BACKGROUND Chimpanzees have over 98% genomic sequence homology with humans and may have a similar host response to malignancy. There is minimal information concerning cancer in the chimpanzee and such information would be valuable to individuals caring for and using them for research. METHODS Spontaneous neoplasia that was documented in two chimpanzee colonies and in the literature were evaluated statistically. RESULTS In all, 105 spontaneous and 12 experimental neoplasms were diagnosed. Seventy-four spontaneous tumors occurred in females, 24 in males,and seven in animals of undetermined sex. Of the spontaneous tumors 89 were benign, 14 were malignant, and two were undetermined. Neoplasia was most common in the urogenital system in females. CONCLUSIONS Neoplasia is not uncommon in the chimpanzee, is generally benign, and occurs primarily in the urogenital system in females.
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Affiliation(s)
- Susan L. Brown
- Southwest National Primate Research Center at the Southwest Foundation for Biomedical Research, P.O. Box 760549, San Antonio, Texas 78245-0549 USA
| | - Daniel C. Anderson
- Emory University-Yerkes National Primate Research Center, 954 Gatewood Rd, NE, Atlanta, Georgia 30329-4208
| | - Edward J. Dick
- Southwest National Primate Research Center at the Southwest Foundation for Biomedical Research, P.O. Box 760549, San Antonio, Texas 78245-0549 USA
| | - Rodolfo Guardado-Mendoza
- Department of Medicine, Division of Diabetes, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229 USA
| | - AnaPatricia Garcia
- Emory University-Yerkes National Primate Research Center, 954 Gatewood Rd, NE, Atlanta, Georgia 30329-4208
| | - Gene B. Hubbard
- Southwest National Primate Research Center at the Southwest Foundation for Biomedical Research, P.O. Box 760549, San Antonio, Texas 78245-0549 USA
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Michishita M, Nakamura SI, Sakakibara I, Ono F, Fujimoto K, Kamiya K, Ishii Y, Hayashi K, Yoshikawa Y, Takahashi K. Spontaneous T-cell-rich B-cell lymphoma in a cynomolgus monkey (Macaca fascicularis). Exp Anim 2003; 52:339-44. [PMID: 14562611 DOI: 10.1538/expanim.52.339] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
A spontaneous T-cell-rich B-cell lymphoma (TCRBCL) occurred as a subcutaneous mass in the buccal region and enlarged submandibular lymph node in a 6-year-old female cynomolgus monkey (Macaca fascicularis). The constituent cells were examined by histology, immunohistochemistry and the double labeled-immunofluorescence method (dl-IF). Further, in situ hybridization (ISH) was employed to detect the gene expression of Epstein Barr virus (EBV). Histologically, the mass was comprised mainly of neoplastic large lymphoid cells and reactive small mononuclear cells. Immunohistochemically, the neoplastic large lymphoid cells were positive for CD20, CD79 alpha, MHC class II, and either IgG, IgM, or IgA. Polyclonal Ig production by the neoplastic large lymphoid cells was demonstrated by dl-IF, although IgG-positive ones predominated in number. On the other hand, most of the small mononuclear cells were positive for CD3 and were regarded as reactive T lymphocytes, while the remaining cells appeared to be histocytes or reactive B-cells. Transcripts of EBV gene were not demonstrated in these neoplastic or reactive cells by ISH. This is the first reported case of spontaneous TCRBCL in the cynomolgus monkey.
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Affiliation(s)
- Masaki Michishita
- Department of Veterinary Pathology, Nippon Veterinary Animal and Science University, 1-7-1 Kyonan-cho, Musashino-shi, Tokyo 180-8602, Japan
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Seitz V, Hummel M, Walter J, Stein H. Evolution of classic Hodgkin lymphoma in correlation to changes in the lymphoid organ structure of vertebrates. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2003; 27:43-53. [PMID: 12477500 DOI: 10.1016/s0145-305x(02)00042-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
In order to integrate evolutionary concepts into lymphoma research we mapped features of classic Hodgkin lymphoma (a disease which has been recently described to be derived from germinal center B-cells) onto a phylogenetic tree of vertebrates. Secondly, we matched the phylogenetic occurrence of classic Hodgkin lymphoma to the changes in the lymphoid organ structure during vertebrate evolution. According to our analysis, classic Hodgkin lymphoma evolved exclusively at the developmental stage of mammals. Interestingly the appearance of Hodgkin lymphoma is correlated to the evolution of germinal centers in mammals. This lends some credit to the hypothesis that genes specific to the germinal center reaction are involved in the pathogenesis of Hodgkin lymphoma. However, as evolution did not stop at the developmental stage of the mammalian stem-species, to a certain extent species with specific differences of classic Hodgkin lymphoma can be expected. One such difference is that classic Hodgkin lymphoma occurs with a significantly higher frequency in humans than in all other mammals. This could be partially due to Epstein-Barr virus (EBV) infection in approximately 40%-50% of Hodgkin disease cases, that is associated with an expression of the EBV-encoded oncogen LMP-1. In conclusion we propose that the mapping of lymphoma related characteristics onto a phylogenetic tree is a valuable new tool in lymphoma research.
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Affiliation(s)
- V Seitz
- Max Planck Institute Molecular Genetics, Ihnestrasse 73, 14195 Berlin, Germany.
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Allan JS, Leland M, Broussard S, Mone J, Hubbard G. Simian T-cell lymphotropic Viruses (STLVs) and lymphomas in African nonhuman primates. Cancer Invest 2001; 19:383-95. [PMID: 11405178 DOI: 10.1081/cnv-100103133] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- J S Allan
- Southwest Foundation for Biomedical Research, Department of Virology and Immunology, 7620 NW Loop 410 at Military Drive, San Antonio, TX 78227, USA.
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