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Journal of Medical Primatology

Naho Konoike, Miki Miwa, Akiyo Ishigami, Katsuki Nakamura
BACKGROUND: It remains unknown how single-shot anesthesia influences physical parameters, especially respiratory function and blood oxygen level of common marmosets (Callithrix jacchus) which came to be used for laboratory research. METHODS: We measured blood oxygen levels, both before and after oxygenation, in 13 common marmosets under two single-shot anesthesia conditions: ketamine/xylazine/atropine and alphaxalone. RESULTS AND CONCLUSIONS: We found that SpO2 values decreased to about 80% in the ketamine/xylazine/atropine protocol and fell just below 90% in the alphaxalone protocol...
March 21, 2017: Journal of Medical Primatology
Juan Ja Neves, Marcelo Francelino, Flavia Gl Silva, Luana Cl Baptista, Marina G Bueno, José L Catão-Dias, Camila Molina, Maria Cm Kierulff, Alcides Pissinatti, Selene DA Coutinho
BACKGROUND: Data about the presence of fungi on the cutaneous surface of wild animals are scarce. The aim of this study was to survey dermatophytes and Malassezia sp in the external ear canal and haircoat of Leontopithecus chrysomelas. METHODS: A total of 928 clinical samples were collected from 232 animals: For Malassezia screening 696 samples were studied, 464 of cerumen and 232 of haircoat; another 232 haircoat samples were studied for dermatophyte analysis. RESULTS: A geophilic dermatophyte, Microsporum cookie, was isolated from one young female...
March 8, 2017: Journal of Medical Primatology
Xinjun Zhang, Yuhuan Meng, Paul Houghton, Mingyu Liu, Sreetharan Kanthaswamy, Robert Oldt, Jillian Ng, Jessica Satkoski Trask, Ren Huang, Balbir Singh, Hongli Du, David Glenn Smith
BACKGROUND: Most cynomolgus macaques (Macaca fascicularis) used in the United States as animal models are imported from Chinese breeding farms without documented ancestry. Cynomolgus macaques with varying rhesus macaque ancestry proportions may exhibit differences, such as susceptibility to malaria, that affect their suitability as a research model. METHODS: DNA of 400 cynomolgus macaques from 10 Chinese breeding farms was genotyped to characterize their regional origin and rhesus ancestry proportion...
March 7, 2017: Journal of Medical Primatology
A L Johnson, G D Simonek, R I Keesler
Pulmonary acariasis is a sporadic, incidental finding in colony-raised rhesus macaques (Macaca mulatta). Prophylactic treatment in indoor-raised and indoor-housed macaques is not routine due to low prevalence, lack of clinical significance, and potential risk of toxicosis. This case is an unusually severe infestation of Pneumonyssus simicola in an indoor-housed rhesus macaque, which ultimately resulted in this animal's death.
March 6, 2017: Journal of Medical Primatology
Fidiniaina Raharison, Nathalie Bourges Abella, Jean Sautet, Alexandra Deviers, Giovanni Mogicato
BACKGROUND: The medical care currently to brown lemurs (Eulemur fulvus) is limited by a lack of knowledge of their anatomy. The aim of this study was to describe the anatomy and histology and obtain ultrasonographic measurements of normal adrenal glands in these animals. METHODS: The adrenal glands of four lemurs cadavers were used for the anatomical and histological studies, and those of 15 anesthetized lemurs were examined by ultrasonography. RESULTS: Anatomically, the adrenal glands of brown lemurs are comparable to those of other species...
February 16, 2017: Journal of Medical Primatology
B Goldschmidt, Miz Calado, F C Resende, R M Caldas, L W Pinto, Caa Lopes, Fgo França, B S Meireles, I V Souza
Osteosarcoma (OS) is the most common type of bone cancer, especially in young. Telangiectatic osteosarcoma (TO) is a rare variant of OS, and hence, its occurrence, presentation, and prognosis are poorly understood. A 4-year-old female rhesus monkey presenting lameness and swelling was examined for a mass on the right humerus. Radiography revealed fracture and disorganized structure of bone tissue. Histopathological examination revealed malignant neoplasm composed of anaplastic osteoblasts, which invaded the bone marrow and surrounded blood-filled cysts in the epiphysis and diaphysis forming septa...
February 10, 2017: Journal of Medical Primatology
John James Debenham, Vanessa Bettembourg, Liv Østevik, Michaela Modig, Karin Hultin Jâderlund, Andreas Lervik
A multiparous Celebes crested macaque presented with dystocia due to foetal macrosomia, causing foetal mortality and hindlimb paresis. After emergency caesarean section, recovery of motor function took 1 month before hindlimbs were weight bearing and 2 months before re-integration with the troop.
February 1, 2017: Journal of Medical Primatology
Hong Zou, Ming Liu, Yi Luan, Qinglian Xie, Zhiheng Cheng, Guoping Zhao, Meilei Jin, Ning Guo, Gang Jason Jin, Lei Yu
BACKGROUND: Primates exhibit substantial capacity for behavioral innovation, expanding the diversity of their behavioral repertoires, and benefiting both individual survival and species development in evolution. Novel object exploration is an integral part of behavioral innovation. Thus, qualitative and quantitative analysis of novel object exploration helps to better understand behavioral innovation. METHODS: To study the pattern of novel object exploration, two different sized balls were sequentially introduced to singly caged cynomolgus monkeys...
January 25, 2017: Journal of Medical Primatology
Cassandra O Cullin, Lois M A Colgin, Anne D Lewis
Bacterial infection of the laryngeal air sacs (air sacculitis) is infrequently reported in nonhuman primates, where it leads to chronic respiratory disease. It is particularly uncommon in macaques; however, we report here suppurative air sacculitis with extension to adjacent cervical tissues in three rhesus macaques and one Japanese macaque. Staphylococcus aureus, Streptococcus sp., and an anaerobic bacterium were isolated.
April 2017: Journal of Medical Primatology
Danielle T Morosco, Curtis R Cline, Michael A Owston, Shyamesh Kumar, Edward J Dick
BACKGROUND: Myeloid sarcoma is a rare manifestation of myeloproliferative disorder defined as an extramedullary mass composed of myeloid precursor cells. A 9-month old, female, common marmoset (Callithrix jacchus) had increased respiratory effort. METHODS: A complete necropsy with histology and immunohistochemistry was performed. RESULTS: The thymus was replaced by a firm, gray-tan mass with a faint green tint, filling over 50% of the thoracic cavity...
April 2017: Journal of Medical Primatology
Bapi Pahar, Wendy Lala, Dot Kuebler, David Liu
Identifying the cells that can be infected with HIV in vivo and thus potentially persist as latent reservoirs is of high priority. Here, we report the major infected cells in a chronically simian immunodeficiency virus (SIV)-infected macaque that developed AIDS and encephalitis. A majority of the infected cells were detected as non-proliferating resting cells. SIV-infected non-proliferating resting cells were found to be playing an important role in viral pathogenesis, persistence, or reservoir formation.
April 2017: Journal of Medical Primatology
Daniel Chai, Christine M Bassis, Ingrid L Bergin, Jason D Bell, Atunga Nyachieo, Peter K Gathumbi
Papio hamadryas papillomavirus (PhPV) 1, 2, and 3, are Alphapapillomaviruses that have been detected in Kenyan Olive baboons but the distribution is unknown. Therefore, cervical screening for PhPV1 was performed in baboons from various areas in Kenya using a nested polymerase chain reaction. The prevalence rate was 33%.
February 2017: Journal of Medical Primatology
Kodzue Kinoshita, Yusuke Sano, Akira Takai, Mika Shimizu, Toshio Kobayashi, Akihiro Ouchi, Noko Kuze, Miho Inoue-Murayama, Gen'ichi Idani, Munehiro Okamoto, Yasuhiko Ozaki
BACKGROUND: Under the environment of pregnancy, the placenta assumes an important steroidogenic role in the maintenance of pregnancy. METHODS: Urinary placental leucine aminopeptidase (PLAP), estrone-3-glucuronide (E1 G), and pregnanediol-3-glucuronide (PdG) concentrations were compared among five pregnancies (four live births and one stillbirth) in four orangutans. RESULTS: The gestation period of the stillbirth (223 days) was shorter than that of the live births (239-254 days)...
November 17, 2016: Journal of Medical Primatology
Matthew John Valentine, Amy Beierschmitt, Josepha DeLay, John Joseph Callanan
BACKGROUND: A uterine neoplasm was observed, as an incidental finding, during post-mortem examination of a 26-year-old female multiparous African green monkey (Chlorocebus aethiops sabaeus). The intramural, expansile, 2 to 3 cm well-demarcated, dark-red, nodular neoplasm was located on the anterior uterine body (corpus) wall. METHODS: The mass was examined by light microscopy and by immunohistochemistry. RESULTS: The mass was confirmed as a cavernous uterine angioleiomyoma (syn...
November 8, 2016: Journal of Medical Primatology
(no author information available yet)
No abstract text is available yet for this article.
October 2016: Journal of Medical Primatology
Ronald S Veazey, Preston A Marx
No abstract text is available yet for this article.
October 2016: Journal of Medical Primatology
Michael Lee, Woong-Ki Kim, Marcelo J Kuroda, Ranajit Pal, Hye Kyung Chung
BACKGROUND: Non-human primates infected with simian immunodeficiency virus (SIV) represent a robust model to evaluate pre-clinical efficacy of HIV-1 preventive strategies and to determine the size of reservoir. METHODS: We developed a real-time qPCR assay to specifically quantify episomal 2-LTR circular DNA in peripheral blood mononuclear cells and brain tissues from SIV-infected macaques. RESULTS: This assay has sensitivity, accuracy and reproducibility over seven orders of magnitude...
October 2016: Journal of Medical Primatology
Murray Gardner
BACKGROUND: For the past 30 years, Simian AIDS has provided an indispensible animal model for the human disease. This historical perspective highlights the circumstances leading to the creation of this experimental model. METHODS: Historical information and stored non-human primate (NHP) specimens, including isolates of Simian immunodeficiency virus (SIV), were analyzed by molecular epidemiologic methods to trace the lineage and transmission of SIV among NHPs at US primate centers...
October 2016: Journal of Medical Primatology
Rui-Han Wei, Wei Song, Can Zhao, Wen Zhao, Li-Feng Li, Run Ji, Jia-Sheng Rao, Zhao-Yang Yang, Xiao-Guang Li
BACKGROUND: The primate model of bipedal locomotion has been extensively used to study human evolution and played a critical role in exploring the pathological mechanisms of human neurologic disease and spinal cord injury. Speed has great influence on both walking posture and gait parameters in human walking; however, how speed changes the gait pattern of bipedal locomotion in primates remains unclear. METHODS: We chose six adult female rhesus monkeys (Macaca mulatta) and collected the gait parameters of these animals during their treadmill locomotion over a wide range of speed...
September 19, 2016: Journal of Medical Primatology
Stéphanie Machado Mota, Adriano Fernandes Ferreira, Jair Azevedo, Thiago Lopes Nery, Fabiana Zermiani, Felisbina Luisa Queiroga
BACKGROUND: Sapajus flavius is a species of capuchin monkey classified as critically endangered. Studies related to their biometric values are scarce with incomplete external measurement reports available from only four specimens. Moreover, information regarding proteinogram is limited with no reference to C-reactive protein (CRP) and globulin fractions for this species. METHODS: Biometric values, CRP, and proteinogram were determined for 12 clinically healthy S...
September 15, 2016: Journal of Medical Primatology
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