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Journal of Medical Primatology

Bruna Zafalon-Silva, Frederico Aécio Carvalho Soares, Saulo Petinatti Pavarini, Miúriel de Aquino Goulart, Gustavo Geraldo Medina Snel, Félix Hilário Diaz González, Dayana Bittencourt Vaz, Bruna Correa Lopes, Moira Ansolch da Silva Oliveira, Marcelo Meller Alievi
A brown howler monkey (Alouatta guariba clamitans) was presented with lethargy, hyporexia, cough and heart murmur. The complementary tests and necropsy revealed pleuropneumonia, bacterial endocarditis and interventricular septal defect. To the best of our knowledge, this is the first report of increased cardiac troponin I levels in this species.
November 8, 2018: Journal of Medical Primatology
Mostafa Hajinasrollah, Soroush Mohitmafi, Asma Asadian
Phimosis is the inability of the penis to protrude from the prepuce. In the present report, we present two cases of phimosis in two rhesus monkeys. Surgical enlargement of preputial orifice was performed for unrestricted movement of penis. The exact cause of this condition is unknown to us.
October 30, 2018: Journal of Medical Primatology
Madinah Adrus, Ramlah Zainudin, Mariana Ahamad, Mohd-Azlan Jayasilan, Mohd Tajuddin Abdullah
BACKGROUND: A study was undertaken to determine gastrointestinal (GI) parasites commonly found in Malaysia's non-human primates (NHP) living in three different types of populations (wild, urban, and captive) and the basis of major GI parasites of zoonotic importance. METHODS: A total of 308 samples was collected and microscopically screened from the NHP in the wild (n = 163), urban (n = 76), and captive (n = 69) populations. The samples were taken from 12 species of local NHPs...
October 29, 2018: Journal of Medical Primatology
Shervin Liddie, Haruka Okamoto, Jesper Gromada, Matthew Lawrence
BACKGROUND: Management of diabetes remains a major health and economic challenge, demanding test systems in which to develop new therapies. These studies assessed different methodologies for determining glucose tolerance in green monkeys. METHODS: Twenty-eight African green monkeys between 4 and 24 years old underwent single or repeat intravenous glucose tolerance testing (IVGTT), oral glucose tolerance testing (OGTT), and/or graded glucose infusion testing. RESULTS: Geriatric monkeys exhibited glucose intolerance with impaired glucose-stimulated insulin secretion following IVGTT...
October 25, 2018: Journal of Medical Primatology
Edris Wedi, Olena Y Tkachenko, Rodrigo Del Rio Do Valle, Michael Heistermann, Hans Wilhelm Michelmann, Penelope L Nayudu
BACKGROUND: Congenital fused labia (CFL) is defined as a failure or significant delay in the opening of the juvenile sealed labia majora. This phenotype is known to be variably common in adult captive female marmosets but has never been investigated in detail before. MATERIALS AND METHODS: Here, we define, describe and quantify the variations in the degree of closure of the vulva in 122 captive marmosets (Callithrix jacchus) from 1.2 to 42 months old and include colony analysis...
October 23, 2018: Journal of Medical Primatology
Paloma Rocha Arakaki, Marcílio Nichi, Frederico Ozanan Barros Monteiro, José Augusto Pereira Carneiro Muniz, Marcelo Alcindo de Barros Vaz Guimarães, Rodrigo Del Rio do Valle
BACKGROUND: The common marmoset (Callithrix jacchus) is one of the most studied Neotropical primates regarding reproduction. However, little has been reported on the black-tufted-ear marmoset (Callithrix penicillata), which may produce fertile hybrids with other Callithrix. This is the first study to evaluate sperm freezing from black-tufted-ear marmoset. METHODS: Testicles from all animals were measured, and semen was collected by penile vibrostimulation. Samples were analyzed after collection, after chilling and addition of glycerol, and after thawing...
October 21, 2018: Journal of Medical Primatology
Yenny Saraswati, Peter Sedman, Rebecca Sedman, Andika Pandu Wibisono, Citrakasih Nente, Meuthya Sr Simatupang, Ian Singleton, Romain Pizzi
A Delorme's procedure perineal surgical repair was performed in a wild adult male Sumatran orangutan (Pongo abelii) with a chronic persistent rectal prolapse that had been unsuccessfully treated by 6 previous surgeries. The rectal prolapse did not recur, and the orangutan was successfully released to the wild, 6 weeks later.
October 11, 2018: Journal of Medical Primatology
Brian A Schmidt, Ronald Phillips, Matthew Rolston, Reben Raeman, Smita S Iyer
Cervicovaginal bacteria cause inflammation which in turn increases HIV risk. Profiling the cervicovaginal microbiome, therefore, is instrumental for vaccine development. We show that the microbiome profile captured by cervicovaginal lavage is comparable to samples obtained by vaginal swabs. Thus, lavage may serve as a sampling strategy in NHP vaccine studies.
October 2, 2018: Journal of Medical Primatology
Yasuhiro Uno, Makiko Shimizu, Hiromi Yoda, Hiroshi Yamazaki
Flavin-containing monooxygenase 1 (FMO1) largely remains to be characterized in cynomolgus macaque kidney. Immunoblotting showed expression of cynomolgus FMO1 in kidneys where activities of FMO1 (benzydamine N-oxygenation) were detected. No sex differences were observed in their contents or activities. These results suggest the functional role of cynomolgus FMO1 in kidney.
September 25, 2018: Journal of Medical Primatology
Natalia Schlabritz-Loutsevitch, Maira Carrillo, Cun Li, Peter Nathanielsz, Christopher Maguire, James Maher, Edward Dick, Gene Hubbard, Jerzy Stanek
We present a case of hepatocellular carcinoma (HCC) in the placenta of healthy baboon (Papio spp.). Grossly, the fetal, maternal, and placental tissues were unremarkable. Histologically, the placenta contained an unencapsulated, poorly demarcated, infiltrative, solidly cellular neoplasm composed of cells that resembled hepatocytes. The neoplastic cells were diffusely positive for vimentin and focally positive for Ae1/Ae3, Arginase -1, glutamine synthetase, and CD10, and negative for ER, vascular markers (CD31 and D240), S100, glypican, C-reactive protein, FABP, desmin, and beta-catenin; INI1 positivity was similar to non-neoplastic tissues...
September 24, 2018: Journal of Medical Primatology
Karla Priscila Garrido Bezerra, Ricardo Barbosa de Lucena, Danilo Tancler Stipp, Fabiano Séllos Costa, Vânia Vieira Reis, Péricles Farias Borges, Simone Bopp, Danila Barreiro Campos, Ivia Carmem Talieri
BACKGROUND: Establish baseline values for ophthalmic diagnostic tests in Sapajus libidinosus. METHODS: Ophthalmic diagnostic tests, namely Schirmer tear test 1 (STT-1), intraocular pressure (IOP), B-mode ultrasound, culture of the bacterial conjunctival microbiota, and conjunctival exfoliative cytology, were performed in 15 S. libidinosus. RESULTS: Mean values found were as follows: 2.50 ± 2.94 mm/min for the STT-1; 13.3 ± 3.32 mm Hg for the IOP; 2...
September 19, 2018: Journal of Medical Primatology
Josué Díaz-Delgado, Camila V Molina, José L Catão-Dias, Maria C M Kierulff, Alcides Pissinatti, Marina G Bueno
Malignant adipocytic neoplasia is rare among nonhuman primates. We report the gross and microscopic features of a retroperitoneal liposarcoma with myxofibrosarcoma-like dedifferentiation in a free-ranging juvenile golden-headed lion tamarin (Leontopithecus chrysomelas). To our knowledge, this is the first report of such tumor subtype in New World primates.
September 19, 2018: Journal of Medical Primatology
Alfonso S Gozalo, William R Elkins, Lynn E Lambert
Eosinophilic aortitis is a rare condition in animals and humans, and it has been occasionally reported associated with parasitic migration and with a poorly understood complex group of autoimmune vasculitides. Here, we describe a case of eosinophilic aortitis with thoracic aortic aneurysm and rupture in a captive-born owl monkey and discuss the differential diagnoses.
September 6, 2018: Journal of Medical Primatology
Lucilene Silva Ruiz E Resende, Adaize Pereira da Silva, Patrícia Carvalho Garcia, Francisco Szneczuk de Oliveira, Lais Melício Cintra Bueno, Valéria Nogueira Dias Paes Secco, José Mauro Zanini, Sheila Canevese Rahal, Carlos Roberto Teixeira
BACKGROUND: Investigation of erythrocyte antigens in New World monkeys, especially in the Brazilian ones, is scant and incomplete. METHODS: Determining the presence of 29 erythrocyte antigens from 11 human blood group systems (ABO, H, Rh, Kell, Duffy, Kidd, Lewis, P, MNS, Lutheran and Diego) on erythrocytes in nine Capuchin monkeys (Sapajus sp.). RESULTS: A majority (20 of 29) of human erythrocyte antigens were not found in this monkey genus...
September 4, 2018: Journal of Medical Primatology
Pedro Melo, Anabela Lança, Braima Amadeu Mané, Aissa Regalla, Maria Joana Ferreira da Silva, Luis Tavares, Fernando Bernardo, Manuela Oliveira
We report a Microsporum audouinii infection in a female juvenile chimpanzee (Pan troglodytes) presenting generalized dermatitis compatible with dermatophytosis. Dermatophyte was identified by macro- and microscopic characterization of skin and scales cultures in Mycosel Agar. The topical treatment applied was effective, having the potential for dermatophytosis treatment in immunocompetent primates.
August 24, 2018: Journal of Medical Primatology
Alexandra Confer, Michael A Owston, Shyamesh Kumar, Edward J Dick
Multiple endocrine neoplasia (MEN) has not been reported in baboons, but this condition is well described in humans. An internal database was searched for all cases of concurrent endocrine hyperplasia and neoplasia in baboons. Twenty-four baboons (Papio spp.) with concurrent endocrine hyperplasia and neoplasia were identified. Twenty-one baboons had lesions in two endocrine organs, two baboons had lesions in three organs, and one baboon had lesions in four organs. Ten baboons aligned with the MEN1 classification; 14 baboons did not match any current human MEN classification...
December 2018: Journal of Medical Primatology
Joseph Cyrus Parambeth, Jonathan A Lidbury, Jan S Suchodolski, Jörg M Steiner
BACKGROUND: The objective of this study was to develop and analytically validate a radioimmunoassay (RIA) for the measurement of alpha1 -proteinase inhibitor (α1 -PI) concentrations in serum and feces from the common marmoset. METHODS: Serum samples (n = 30) and 3-day fecal samples (n = 30) were obtained from healthy marmosets. An RIA was established and validated by determination of sensitivity, working range, dilutional parallelism, spiking recovery, and intra- and interassay variability...
December 2018: Journal of Medical Primatology
Sreetharan Kanthaswamy, Robert F Oldt, Jillian Ng, David Glenn Smith, Melween I Martínez, Carlos A Sariol
BACKGROUND: Knowledge of major histocompatibility complex (MHC) composition and distribution in rhesus macaque colonies is critical for management strategies that maximize the utility of this model for biomedical research. METHODS: Variation within the Mamu-A and Mamu-B (class I) and DRB, DQA/B, and DPA/B (class II) regions of 379 animals from the Caribbean Primate Research Center's (CPRC) specific pathogen free (SPF) colony was examined using massively parallel sequencing...
December 2018: Journal of Medical Primatology
Ov Daniel Slayden, Francis Kathryn E Friason, Kise Rosen Bond, Emily Cathleen Mishler
BACKGROUND: Macaques are outstanding animal models for the development of new contraceptives. In women, progestin-only contraceptives often fail to block ovulation and are believed to act by altering cervix physiology. Herein, we assessed oviductal glycoprotein 1 (OVGP1) in the macaque cervix as a marker for progestogen action. MATERIALS: Rhesus macaques were treated with estradiol (E2 ), E2 plus progesterone (P), and E2 plus levonorgestrel (LNG), a contraceptive progestin...
December 2018: Journal of Medical Primatology
Daniel R Ram, Kyle Kroll, R Keith Reeves
The oral mucosae and draining lymph nodes are primary entry points for invading pathogens, particularly during immunosuppressive HIV/SIV infections. Innate immunity against oral stimuli, including natural killer (NK) cells, is understudied. Herein, we demonstrate functional NK cell responses to pathogen-associated molecular patterns (PAMPs) of potential oral pathogens in rhesus macaques.
October 2018: Journal of Medical Primatology
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