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Journal of Medical Primatology

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https://www.readbyqxmd.com/read/28444886/detection-of-mycobacterium-avium-subsp-paratuberculosis-in-non-human-primates
#1
Kim Fechner, Kerstin Mätz-Rensing, Karen Lampe, Franz-Josef Kaup, Claus-Peter Czerny, Jenny Schäfer
BACKGROUND: Due to a sporadic occurrence of Mycobacterium avium subsp. paratuberculosis (MAP) in non-human primates (NHP), the susceptibility of different NHP to MAP should be investigated. METHODS: Fecal and tissue samples (ileum, ileocecal lymph node, bone marrow) of 20 animals (seven species) were analyzed by IS900-based PCRs and sequenced. Samples of MAP PCR positive NHP were further cultivated. RESULTS: MAP DNA was detectable in two animals; the ileum of a cottontop tamarin and the bone marrow of a common marmoset...
April 26, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28439900/herpes-b-virus-replication-and-viral-lesions-in-the-liver-of-a-cynomolgus-macaque-which-died-from-severe-disease-with-rapid-onset
#2
Stefan Pöhlmann, Michael Suntz, Valerij Akimkin, Martina Bleyer, Artur Kaul
Herpes B virus (BV, Macacine alphaherpesvirus 1) infects macaques asymptomatically, with rare exceptions, but can cause fatal encephalitis in humans. Here, we report disseminated BV infection in a cynomolgus macaque that had died within 12 hour after the onset of unspecific symptoms. Multifocal lesions surrounded by viral antigen were detected in liver while other organs remained inconspicuous, indicating that the liver is a major target. Moreover, high copy numbers of viral DNA were found in feces, underlining the excrements are a potential source of transmission...
April 25, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28418090/natural-mortality-and-cause-of-death-analysis-of-the-captive-chimpanzee-pan-troglodytes-a-35-year-review
#3
REVIEW
Hannah Laurence, Shyamesh Kumar, Michael A Owston, Robert E Lanford, Gene B Hubbard, Edward J Dick
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...
April 18, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28417453/bilateral-cataract-surgery-with-intraocular-lens-implant-in-a-captive-western-lowland-gorilla
#4
Alasdair Warwick, Sharon Redrobe, Andrew Lotery, Jenny Watts
We report a case of bilateral cataract surgery performed in a 21-year-old western lowland gorilla. Phacoemulsification with intraocular lens insertion was performed using standard human surgical equipment. Visual function significantly improved. She subsequently mated and gave birth. Ultimately, cataract surgery enabled the birth of a baby gorilla.
April 17, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28369930/hepatocellular-carcinoma-with-intracranial-metastasis-in-a-japanese-macaque-macaca-fuscata
#5
Takako Miyabe-Nishiwaki, Akihiro Hirata, Akihisa Kaneko, Akiyo Ishigami, Yoko Miyamoto, Atsushi Yamanaka, Keishi Owaki, Hiroki Sakai, Tokuma Yanai, Juri Suzuki
BACKGROUND: A 23-year-old male Japanese macaque (Macaca fuscata) showed left ptosis, which progressed to exophthalmos. METHODS: The macaque underwent a clinical examination, CT and MRI, and was euthanized. Necropsy and histopathological examination were performed after euthanasia. RESULTS: The CT revealed and MRI confirmed an intracranial mass at the skull base with orbital extension. At necropsy, there were a large hepatic mass and an intracranial mass compressing the left temporal lobe of the brain...
April 3, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28370081/evidence-of-simian-retrovirus-type-d-by-polymerase-chain-reaction
#6
Christian Z R Hwa, Sheung Pun Tsai, JoAnn L Yee, Koen K Van Rompay, Jeffrey A Roberts
BACKGROUND: Over the past few years, there have been reports of finding Simian retrovirus type D (SRV) in macaque colonies where some animals were characterized as antibody positive but virus negative raising questions about how SRV was transmitted or whether there is a variant strain detected by antibody but not polymerase chain reaction (PCR) in current use. METHODS: We developed a three-round nested PCR assay using degenerate primers targeting the pol gene to detect for SRV serotypes 1-5 and applied this newly validated PCR assay to test macaque DNA samples collected in China from 2010 to 2015...
March 30, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28349616/antibiotic-resistance-in-staphylococcus-sp-isolated-from-the-vaginal-environment-of-squirrel-monkeys-saimiri-spp-bred-ex%C3%A2-situ
#7
Anna C J Donato, Bruno Penna, Angélica Consalter, Daniela D Carvalho, Walter Lilenbaum, Ana M R Ferreira
BACKGROUND: Squirrel monkeys (Saimiri spp.) have been widely used as animal models; however, the occurrence of Staphylococcus sp in their vaginal microbiota remains to be described. METHODS: Samples were collected from 175 adult squirrel monkeys to isolate Staphylococcus sp and to test for susceptibility to a panel of nine antimicrobial agents. RESULTS: Isolates with characteristics of the genus Staphylococcus were detected in 95 of 175 samples...
March 27, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28349584/trypanoxyuris-trypanoxyuris-minutus-schneider-1866-among%C3%A2-alouatta-guariba-clamitans-cabrera-1940-in-the-state-of-rio-de-janeiro-brazil
#8
Alynne da Silva Barbosa, Laís Verdan Dib, Claudia M Antunes Uchôa, Otilio Machado Pereira Bastos, Alcides Pissinatti
This study reports on infection by Trypanoxyuris (Trypanoxyuris) minutus among Alouatta guariba clamitans through biometry on adults and eggs. A total of 58 adult helminths were recovered from the small segment of the animal's large intestine. This study is the first report of this parasite among A. guariba clamitans in Rio de Janeiro.
March 27, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28349553/unilateral-ovarian-absence-in-a-black-headed-squirrel-monkey-saimiri-vanzolinii-ayres-1985-a-threatened-neotropical-primate-species
#9
Gerson P Lopes, Adriel B Brito, Regiane R Santos, Sheyla F S Domingues, Fernanda P Paim, Helder L Queiroz
Ovarian agenesis is an unusual anomaly with traumatic or congenital origin. In the present case report, we describe our findings in a senile S. vanzolinii female. As this neotropical primate species is listed as vulnerable, with limited geographic distribution in the Brazilian Amazonia, ovarian agenesis may be an important finding to be reported.
March 27, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28326553/hypoxemia-after-single-shot-anesthesia-in-common-marmosets
#10
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
https://www.readbyqxmd.com/read/28271525/survey-of-malassezia-sp-and-dermatophytes-in-the-cutaneous-microbiome-of-free-ranging-golden-headed-lion-tamarins-leontopithecus-chrysomelas-kuhl-1820
#11
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
https://www.readbyqxmd.com/read/28266719/ancestry-plasmodium-cynomolgi-prevalence-and-rhesus-macaque-admixture-in-cynomolgus-macaques-macaca-fascicularis-bred-for-export-in-chinese-breeding-farms
#12
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
https://www.readbyqxmd.com/read/28261816/fatal-pulmonary-acariasis-in-an-aged-indoor-rhesus-macaque-macaca-mulatta
#13
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
https://www.readbyqxmd.com/read/28295350/anatomy-histology-and-ultrasonography-of-the-normal-adrenal-gland-in-brown-lemur-eulemur-fulvus
#14
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
https://www.readbyqxmd.com/read/28185292/spontaneous-telangiectatic-osteosarcoma-in-a-rhesus-macaque-macaca-mulatta
#15
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
https://www.readbyqxmd.com/read/28145565/temporary-hindlimb-paresis-following-dystocia-due-to-foetal-macrosomia-in-a-celebes-crested-macaque-macaca-nigra
#16
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
https://www.readbyqxmd.com/read/28224653/air-sacculitis-in-three-rhesus-macaques-macaca-mulatta-and-one-japanese-macaque-m-%C3%A2-fuscata
#17
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
https://www.readbyqxmd.com/read/28145579/spontaneous-mediastinal-myeloid-sarcoma-in-a-common-marmoset-callithrix-jacchus-and-review-of-the-veterinary-literature
#18
REVIEW
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
https://www.readbyqxmd.com/read/28145571/a-significant-productive-in-vivo-infection-of-resting-cells-with-simian-immunodeficiency-virus-in-a-macaque-with-aids
#19
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
https://www.readbyqxmd.com/read/27726166/prevalence-and-geographical-distribution-of-papio-hamadryas-papillomavirus-1-phpv1-in-kenyan-baboons
#20
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
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