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Journal of Medical Primatology

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https://www.readbyqxmd.com/read/28523858/clinical-signs-diagnostics-and-successful-treatment-of-a-myocarditis-in-an-adult-chimpanzee-pan-troglodytes
#1
Martine van Zijll Langhout, Marno Wolters, Katalin M Horvath, Harold Thiesbrummel, Paul Smits, Hester van Bolhuis, Victor van der Hulst, Robert Riezebos
A chimpanzee (Pan troglodytes) was presented with lethargic behaviour. Echocardiography and abnormal cardiac and inflammatory biomarkers revealed a myocarditis. The animal fully recovered after prolonged treatment with losartan and carvedilol. This is the first report of the diagnosis and successful treatment of myocarditis in this species.
May 19, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28523853/radiographic-evaluation-of-cardiac-silhouette-using-vertebral-heart-size-method-in-squirrel-monkey-saimiri-sciureus
#2
L N Coutinho, Mbs Brito, A A Imbeloni, Acc Lacreta, F Rech, M P Souto, Ira Ataíde
BACKGROUND: The Saimiri sciureus represents a valuable resource for biomedical research, due to its large number on primate centers and similarity to human anatomy and physiology. The aim of this study was to apply the method proposed by Buchanan & Bücheler in healthy squirrel monkeys (S. sciureus) and determine by radiographic examination, the average value of the vertebral heart size (VHS) for the specie. METHOD: Laterolateral left (LLL), laterolateral right (LLR), ventrodorsal (VD), and dorsoventral (DV) projections were used for radiographic examinations to evaluate the heart silhouette of S...
May 19, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28516457/computed-tomography-or-necropsy-diagnosis-of-multiple-bullae-and-the-treatment-of-pneumothorax-in-rhesus-macaques-macaca-mulatta
#3
Jong-Min Kim, Sungyoung Han, Jun-Seop Shin, Byoung-Hoon Min, Won Young Jeong, Ga Eul Lee, Min Sun Kim, Ju Eun Kim, Hyunwoo Chung, Chung-Gyu Park
Pulmonary bullae and pneumothorax have various etiologies in veterinary medicine. We diagnosed multiple pulmonary bullae combined with or without pneumothorax by computed tomography (CT) or necropsy in seven rhesus macaques (Macaca mulatta) imported from China. Two of seven rhesus macaques accompanied by pneumothorax were cured by fixation of ruptured lung through left or right 3rd intercostal thoracotomy. Pneumonyssus simicola, one of the etiologies of pulmonary bullae, was not detected from tracheobronchiolar lavage...
May 18, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28488731/development-of-a-rectal-sexually-transmitted-infection-sti-model-in-rhesus-macaques-using-chlamydia-trachomatis-serovars-e-and-l2
#4
Tara R Henning, Monica Morris, Shanon Ellis, Kristen Kelley, Christi Phillips, Jana Ritter, Tara Jones, Eli Nachamkin, Cheng Y Chen, Jaeyoung Hong, Joseph Kang, Dorothy Patton, Janet McNicholl, John Papp, Ellen N Kersh
BACKGROUND: Rectal STI coinfection models enhance the understanding of rectal HIV transmission risk factors. MATERIALS AND METHODS: Rhesus macaques (n=9) were exposed to one of three rectal Chlamydia trachomatis (CT) challenges: C. trachomatis L2 (CT-L2 ); C. trachomatis serovar E (CT-E), followed by CT-L2 ; or CT-E, treatment/clearance, then CT-L2 . Infections were monitored by PCR. Weekly blood and rectal secretion/lavage samples were collected for cytokine analyzes and/or epithelial sloughing, occult, and overt blood determinations...
May 10, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28488364/comparison-of-the-vaginal-environment-in-rhesus-and-cynomolgus-macaques-pre-and-post-lactobacillus-colonization
#5
Gregory J Daggett, Chunxia Zhao, Fawn Connor-Stroud, Patricia Oviedo-Moreno, Hojin Moon, Michael W Cho, Thomas Moench, Deborah J Anderson, Francois Villinger
BACKGROUND: Rhesus and cynomologus macaques are valuable animal models for the study of human immunodeficiency virus (HIV) prevention strategies. However, for such studies focused on the vaginal route of infection, differences in vaginal environment may have deterministic impact on the outcome of such prevention, providing the rationale for this study. METHODS: We tested the vaginal environment of rhesus and cynomolgus macaques longitudinally to characterize the normal microflora based on Nugent scores and pH...
May 9, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28464359/fatty-acid-supplements-improve-hair-coat-condition-in-rhesus-macaques
#6
A F Hamel, M T Menard, M A Novak
As captive rhesus macaques often exhibit hair loss, alopecia was quantified and behavior was recorded before, during, and after fatty acid supplementation in six macaques. Fatty acid treatment was associated with a decrease in alopecia and in self-grooming behavior. Therefore, fatty acids may be a viable treatment for alopecia in some captive primates.
May 2, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28444886/detection-of-mycobacterium-avium-subsp-paratuberculosis-in-non-human-primates
#7
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
#8
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/28417453/bilateral-cataract-surgery-with-intraocular-lens-implant-in-a-captive-western-lowland-gorilla
#9
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/28266719/ancestry-plasmodium-cynomolgi-prevalence-and-rhesus-macaque-admixture-in-cynomolgus-macaques-macaca-fascicularis-bred-for-export-in-chinese-breeding-farms
#10
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/28418090/natural-mortality-and-cause-of-death-analysis-of-the-captive-chimpanzee-pan-troglodytes-a-35-year-review
#11
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...
June 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28370081/evidence-of-simian-retrovirus-type-d-by-polymerase-chain-reaction
#12
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...
June 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28369930/hepatocellular-carcinoma-with-intracranial-metastasis-in-a-japanese-macaque-macaca-fuscata
#13
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...
June 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
#14
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...
June 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
#15
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.
June 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
#16
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.
June 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28326553/hypoxemia-after-single-shot-anesthesia-in-common-marmosets
#17
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...
June 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
#18
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...
June 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28261816/fatal-pulmonary-acariasis-in-an-aged-indoor-rhesus-macaque-macaca-mulatta
#19
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.
June 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
#20
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
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