journal
https://read.qxmd.com/read/38978165/defining-blood-hematology-reference-values-in-female-pig-tailed-macaques-macaca-nemestrina-using-the-isolation-forest-algorithm
#1
JOURNAL ARTICLE
Daniel Kim, Abigail Derton, George Khalil, Yi Pan, Shanon Bachman, Kristen Kelley, Gerardo Garcίa-Lerma, Charles W Dobard, Michele B Daly
BACKGROUND: Pig-tailed macaques (PTMs) are commonly used as preclinical models to assess antiretroviral drugs for HIV prevention research. Drug toxicities and disease pathologies are often preceded by changes in blood hematology. To better assess the safety profile of pharmaceuticals, we defined normal ranges of hematological values in PTMs using an Isolation Forest (iForest) algorithm. METHODS: Eighteen female PTMs were evaluated. Blood was collected 1-24 times per animal for a total of 159 samples...
August 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38958239/hematology-and-serum-biochemistry-of-free-ranging-mantled-howler-monkeys-alouatta-palliata-at-la-pacifica-costa-rica
#2
JOURNAL ARTICLE
R Scott Larsen, Anneke Moresco, Ana Meneses, Kenneth E Glander
BACKGROUND: Hematologic and blood biochemical values are key tools for assessing primate health. A long-term behavioral study of howler monkeys at a single site (La Pacífica, Guanacaste, Costa Rica), afforded the opportunity to develop baseline values for a large group of animals, evaluating differences between adult males and females and comparing to a report in the same population two decades later. METHODS: In 1998, 64 free-ranging mantled howler monkeys were anesthetized and sampled for hematologic and biochemical analysis...
August 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38949157/an-exploratory-deep-learning-approach-to-investigate-tuberculosis-pathogenesis-in-nonhuman-primate-model-combining-automated-radiological-analysis-with-clinical-and-biomarkers-data
#3
JOURNAL ARTICLE
Faisal Yaseen, Murtaza Taj, Resmi Ravindran, Fareed Zaffar, Paul A Luciw, Aamer Ikram, Saerah Iffat Zafar, Tariq Gill, Michael Hogarth, Imran H Khan
BACKGROUND: Tuberculosis (TB) kills approximately 1.6 million people yearly despite the fact anti-TB drugs are generally curative. Therefore, TB-case detection and monitoring of therapy, need a comprehensive approach. Automated radiological analysis, combined with clinical, microbiological, and immunological data, by machine learning (ML), can help achieve it. METHODS: Six rhesus macaques were experimentally inoculated with pathogenic Mycobacterium tuberculosis in the lung...
August 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38922921/gastrointestinal-helminths-of-captive-proboscis-monkey-nasalis-larvatus-in-surabaya-zoo-indonesia
#4
JOURNAL ARTICLE
Masyithah Ramadhani, Nanis Nurhidayah, Dyah Ayu Kurniawati, Muttaqin Purmadi, Fatih Aunur Rafiq, Eni Kusumaningtyas, Dwi Endrawati, Nanik Hidayatik, Ragil Angga Prastiya, Sela Septima Mariya, Mufasirin, Poedji Hastutiek
BACKGROUND: One of the constrain in proboscis monkey (Nasalis larvatus) conservation is gastrointestinal helminth (GH) infection. Here, we conducted a study to determine the prevalence of GHs in captive proboscis monkeys in Surabaya Zoo, Indonesia. METHODS: Twenty fecal samples were collected from three groups (i.e., nursery cage [NC] [n = 1], communal show cage [SC] [n = 8], and free-ranging colonies [FC] [n = 11]). The fecal samples have been examined through McMaster and sugar floatation techniques...
August 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38853391/oral-cavity-squamous-cell-carcinomas-in-zoo-managed-goeldi-s-monkeys-callimico-goeldii
#5
JOURNAL ARTICLE
Andrew F Rich, Imogen L Payne, Rowena Killick, Daniela Denk, Nathalie Wissink-Argilaga
BACKGROUND: Oral cavity squamous cell carcinomas (OCSCCs) are relatively common in multiple non-human primate species but are poorly documented in Goeldi's monkeys. METHODS: Four Goeldi's monkeys with OCSCC, from three zoological collections, underwent necropsy with cytology, histopathology, immunohistochemistry, and pan-herpesvirus PCR analysis. RESULTS: All animals were euthanised and exhibited poor-to-emaciated body condition. Three OCSCCs arose from the maxillary oral mucosa and a single OCSCC was primarily mandibular, with bone invasion evident in three cases...
June 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38831476/natural-mycobacterium-tuberculosis-complex-infection-in-a-brown-howler-monkey-alouatta-guariba-clamitans-in-brazil
#6
JOURNAL ARTICLE
Endily Vasconcelos de Souza, Rodrigo Albergaria Réssio, Ketlyn Bolsachini Figueiredo, Ana Carolina Souza Ramos de Carvalho, Eduardo Ferreira-Machado, Júlia de Carvalho, Cinthya Dos Santos Cirqueira, Pedro Enrique Navas-Suárez, Ticiana Zwarg, Jana M Ritter, Natália Coelho Couto de Azevedo Fernandes, Juliana Mariotti Guerra
Neotropical primates rarely exhibit active tuberculosis. A brown howler monkey was found injured in an urban area. Histopathology revealed granulomatous inflammation in the lungs, lymph nodes, and liver. Immunohistochemistry and molecular analysis confirmed the presence of Mycobacterium tuberculosis complex. The findings highlight the importance of TB surveillance in nonhuman primates.
June 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38825748/contribution-of-ultrasound-examination-in-diagnosing-platynosomiasis-and-correlation-with-macro-and-microscopic-findings-in-callitrichids-kept-under-human-care
#7
JOURNAL ARTICLE
Soraya Kezam Málaga, Melina Castilho de Souza Balbueno, Jéssica Amâncio Martins, Leonardo Dourado da Costa, Maria Luiza de Sousa Barbosa, Arlei Marcili, Cidéli de Paula Coelho
BACKGROUND: Platynosomiasis in non-human primates kept under human care causes chronic disease of the bile ducts and liver, which initially presents with nonspecific signs and can culminate in the death of the animal. Diagnosing this disease is a challenge, and an ultrasound examination can be an excellent tool when it is suspected. METHODS: This study describes the ultrasound findings from 57 marmosets with suspected infection by Platynosomum sp., the correlated hepatobiliary changes, and the anatomopathological findings that confirmed the occurrence of platynosomiasis...
June 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38822430/labor-of-a-free-living-buffy-tufted-marmoset-callithrix-aurita-at-a-wildlife-rehabilitation-center-in-southeastern-brazil
#8
JOURNAL ARTICLE
Marina Glina De Capitani, Giulia Maria Bonato Araújo, Flávia Vilaça Morais, Walderez Moreira Joaquim, Hanna Sibuya Kokubun
Callithrix aurita is an endangered small primate endemic to the Atlantic Forest. The present work reports the labor of a free-living C. aurita, through observation of its length and offspring viability. A conservative treatment was used to maintain fetal viability, in view of the species conservation importance.
June 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38816898/first-record-of-cebidicola-armatus-phthiraptera-trichodectidae-on-the-brachyteles-hypoxanthus-primate-atelidae-in-brazil
#9
JOURNAL ARTICLE
Mikaelly Frasson Testa, Breno Torres da Silva, Camila Souza Carvalho Class, Alcides Pissinati, Larissa Calais Paiva, Hallana Couto E Silva, Fernanda Pedreira Tabacow, Fabiano Rodrigues de Melo, Karen B Strier, Alynne da Silva Barbosa
This study reports for the first time the infestation of Cebidicola armatus in Brachyteles hypoxanthus. In total, 14 lice were recovered of an individual in Minas Gerais, Brazil. These were subjected to a microscopic analysis and the identification of C. armatus was carried out through its very characteristic morphology.
June 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38812105/advancing-primatology-through-ethical-and-scientific-perspectives-on-rhesus-monkey-macaca-mulatta-cloning
#10
REVIEW
Taeho Kwon
A critical turning point was reached in research with the recent success in cloning rhesus monkeys (Macaca mulatta), a major advancement in primatology. This breakthrough marks the beginning of a new age in biomedical research, ushered by improved somatic cell nuclear transfer techniques and creative trophoblast replacement strategies. The successful cloning of rhesus monkeys presents the possibility of producing genetically homogeneous models that are highly advantageous for studying complex biological processes, testing drugs, and researching diseases...
June 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38802986/molecular-detection-of-sarcocystis-sp-in-a-kept-under-human-care-black-capuchin-monkey-sapajus-nigritus-goldfuss-1809-with-necrotizing-encephalitis
#11
JOURNAL ARTICLE
Fwu Shing Teng, Eduardo Ferreira-Machado, Juliana Mariotti Guerra, Rodrigo Albergaria Ressio, Cinthya Dos Santos Cirqueira, Ketlyn Bolsachini Figueiredo, Ana Carolina Souza Ramos de Carvalho, Gabriel Corrêa de Camargo, Daniel Oliveira Dos Santos, Sheila Canevese Rahal, Noeme Sousa Rocha, Ayisa Rodrigues Oliveira, Renato Lima Santos, Natalia Coelho Couto de Azevedo Fernandes
A senile male black capuchin monkey (Sapajus nigritus) kept under human care in a Zoo was found dead after 2 weeks presenting signals of weight loss and hyporexia. Histopathological revealed a necrotizing encephalitis. Although it was not observed microscopically, Sarcocystis sp infection was detected in brain tissue from molecular assays. These infections have been rarely described in neotropical primates, particularly associated with tissue lesions.
June 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38790083/facial-and-ocular-thermal-mapping-in-black-and-gold-howler-monkey-alouatta-caraya-by-infrared-thermography-an-ex-situ-study
#12
JOURNAL ARTICLE
André Luiz Mota da Costa, Maraya Lincoln Silva, Mayara Grego Caiaffa, Flora Nogueira Matos, Cássia Regina Ramos Gonzaga, Shamira de Fátima Sallum Leandro, Marina Alvarado de Medeiros, Rodrigo Hidalgo Friciello Teixeira, Carlos Roberto Teixeira
BACKGROUND: This study used infrared thermography (IRT) for mapping the facial and ocular temperatures of howler monkeys, to determine parameters for the diagnosis of febrile processes. There are no published IRT study in this species. METHODS: Were evaluated images of a group of monkeys kept under human care at Sorocaba Zoo (São Paulo, Brazil). The images were recorded during 1 year, in all seasons. Face and eye temperatures were evaluated. RESULTS: There are statistically significant differences in face and eye temperatures...
June 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38778449/evaluation-of-the-main-disorders-and-microbiota-of-the-oral-cavity-of-capuchin-monkeys-sapajus-apella-under-human-care
#13
JOURNAL ARTICLE
Sabrina Fracascio Pires, Maira Beatriz Gandolfi Silva, Fábio Vinícius Ramos Portilho, Patrik Junior de Lima Paz, Ana Camila Beltrán Urrego, Márcio Garcia Ribeiro, Sheila Canevese Rahal, Priscylla Tatiana Chalfun Guimarães Okamoto, Adriano Sakai Okamoto, Alessandra Melchert
BACKGROUND: Although critical to the overall condition of animals under human care, there is still limited information about oral health in neotropical primates. METHODS: We analyzed the main oral conditions and microbiota using mass spectrometry from 13 capuchin monkeys (Sapajus apella) under human care. The findings were registered on odontograms following the Triadan system. RESULTS: The most prevalent conditions were dental fractures (n = 9), mainly enamel fractures, and periodontal disease (n = 8), mainly grade 1 calculi...
June 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38745344/observations-on-the-anatomy-of-the-funiculus-spermaticus-and-the-testis-in-brachyteles-sp-spix-1823-primates-atelidae
#14
JOURNAL ARTICLE
Pedro do Carmo Labanca, Marcovan Porto, Felipe Carvalho Resende, Marcelo Abidu-Figueiredo, Alcides Pissinatti
BACKGROUND: Analysing the literature about the reproductive anatomy on New World Primates, one can see the need of standardisation on the description methods and, more importantly, the lack of detailed information. The problem is aggravated by the difficult access to specimens of the endangered species such as Brachyteles sp. This paper's objective was to extend knowledge on the male reproductive anatomy of these primates. The testis and funiculus spermaticus of Brachyteles are described in detail...
June 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38725093/apparent-digestibility-and-nutritional-status-of-capuchin-monkeys-sapajus-sp-under-human-care
#15
JOURNAL ARTICLE
Maira Beatriz Gandolfi Silva, Erick Yuji Tokashiki, Carolyne Assis Eigenheer Pinke Testa, Paulo Roberto de Lima Meirelles, Priscylla Tatiana Chalfun Guimarães Okamoto, Ana Camila Beltrán Urrego, Alessandra Melchert
BACKGROUND: Studing the nutritional needs and dietary habits of primates is essential to ensure their health and well-being. This includes the understanding of the use of nutrients and its correlation with health parameters. METHODS: Diet and nutritional parameters of 13 captive capuchin monkeys (Sapajus sp.) were assesed. Apparent digestibility of dry matter and nutrients were evaluated. Nutritional status was established based on body condition score (BCS) and muscle mass score (MMS)...
June 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38725092/preliminary-investigation-into-long-term-stress-by-isolated-captivity-related-changes-of-reproduction-hormones-in-cynomolgus-monkey
#16
JOURNAL ARTICLE
Ji Woon Kim, Yoon Beom Lee, Woori Jo, Tae-Ku Kang, Na-Hye Park, Gwang-Hoon Lee
BACKGROUND: Stress profoundly affects physical and emotional well-being, extending its physiological influence to the female menstrual cycle, impeding the hypothalamus-pituitary-gonadal (HPG) axis, and affecting fertility by suppressing sex-stimulating hormones. METHODS: In this study, we meticulously analyzed menstrual cycles and corresponding hormonal fluctuations in three female Cynomolgus monkeys. RESULTS: The preliminary findings indicated lower-than-normal levels of cortisol, follicle-stimulating hormone (FSH), and estradiol...
June 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38706108/granulomatous-meningoencephalitis-and-blindness-associated-with-mycobacterium-tuberculosis-complex-infection-in-a-senile-female-chimpanzee-pan-troglodytes
#17
JOURNAL ARTICLE
Daniel Oliveira Dos Santos, Nayara Ferreira de Paula, Thaynara Parente de Carvalho, Lucas Dos Reis de Souza, Herlandes Penha Tinoco, Carlyle Mendes Coelho, Ana Augusta Sousa, Paulo Martins Soares Filho, Luciana Rabello Ferreira, Tatiane Alves da Paixão, Ayisa Rodrigues Oliveira, Renato Lima Santos
A 40-year old female chimpanzee (Pan troglodytes) developed hyporexia, weight loss, followed by progressive and complete blindness. Tomography demonstrated an intracranial mass in the rostroventral brain involving the optic chiasm, with a presumptive diagnosis of neoplasm. However, histopathology revealed a granulomatous meningoencephalitis, and tissue samples tested positive for Mycobacterium tuberculosis.
June 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38654419/successful-surgical-management-of-a-pyothorax-in-a-guinea-baboon-papio-papio
#18
JOURNAL ARTICLE
Anaïs Sailler, Sylvie Laidebeure, Alexis Lécu
A 16-year-old male Guinea baboon (Papio papio) was evaluated for weakness and focal wet fur of 1-week duration. A pyothorax caused by Streptococcus anginosus was diagnosed. A surgical approach was chosen, combined with a systemic antibiotic therapy. Medical imaging and C-reactive protein follow-up revealed the resolution of the pyothorax.
June 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38539278/positive-clinical-experience-with-paromomycin-sulfate-in-treatment-of-balantioides-coli-balantidium-coli-natural-infection-in-zoo-kept-mandrill-monkeys-mandrillus-sphinx-and-western-lowland-gorillas-gorilla-gorilla-gorilla
#19
Hen Zakai, Elad Smit, David Eshar
Balantioides coli (=Balantidium coli), a large ciliated protozoan, is reported in multiple free-ranging and captive primate species, often in association with a clinical presentation that requires medical intervention. This report describes the clinical effectiveness of paromomycin sulfate against B.coli in zoo-kept mandrill monkeys (Mandrillus sphinx, at orally doses of 8-31 mg/kg, once daily (SID) for 7 days) and gorillas (Gorilla gorilla gorilla, at orally doses of 1.4-3.1 mg/kg, SID for 5 days)...
April 2024: Journal of Medical Primatology
https://read.qxmd.com/read/38509029/reconstruction-of-large-scalp-defect-in-a-brown-howler-monkey-alouatta-guariba-clamitans-a-case-report
#20
Germano Filipe Grings, Lívia Eichenberg Surita, Daniela Nicknich, Marcela Torikachvili, Eduardo Almeida Ruivo Dos Santos, Barbara Wartchow, Ciro Paz Portinho, Cristiano Gomes, Marcelo Meller Alievi
This case report describes different repair techniques used to reconstruct a large scalp defect in a brown howler monkey (Alouatta guariba clamitans) hit by a vehicle. Three reconstructive procedures were performed in two surgical stages. The repair techniques had successful outcomes on the patient's rehabilitation.
April 2024: Journal of Medical Primatology
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