The common marmoset is widely used in neuroscience and regenerative medicine research. However, information concerning common marmoset disorders, particularly infectious diseases, is scarce. Here, we report a case of a female common marmoset that died suddenly due to gas gangrene. The animal presented with gaseous abdominal distention at postmortem, and Clostridium perfringens type A was isolated from several tissues. Vacuoles, a Gram-positive bacteremia and intravascular hemolysis were observed microscopically in the muscles, liver and lungs. On the basis of these findings, we diagnosed nontraumatic gas gangrene caused by Clostridium perfringens type A in this common marmoset.
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http://dx.doi.org/10.1292/jvms.15-0210 | DOI Listing |
Nature
January 2025
National Disease Research Interchange, Philadelphia, PA, USA.
Many human diseases are the result of early developmental defects. As most paediatric diseases and disorders are rare, children are critically underrepresented in research. Functional genomics studies primarily rely on adult tissues and lack critical cell states in specific developmental windows.
View Article and Find Full Text PDFJ Anat
January 2025
Laboratory of Neurochemical Studies, Department of Physiology and Behavior, Bioscience Center, Federal University of Rio Grande do Norte, Natal, Brazil.
Non-image forming (NIF) pathways, a specialized branch of retinal circuitry, play a crucial role supporting physiological and behavioral processes, including circadian rhythmicity. Among the NIF regions, the dorsal raphe nucleus (DRN), a midbrain serotonergic cluster of neurons, is also devoted to circadian functions. Despite indirectly send photic inputs to circadian centers and modulating their activities, little is known about the organization of retina-DRN circuits in primate species.
View Article and Find Full Text PDFEcohealth
January 2025
Universidade Federal do Vale do São Francisco, Rodovia BR-407, KM 12, Lote 543, Sem Número, Projeto de Irrigação Nilo Coelho, Petrolina, Pernambuco, 56300-000, Brazil.
Arbovirus surveillance in marmosets (Callithrix spp.) that live close to humans helps identify viral circulation in the environment and contributes to public health. We investigated the exposure to arboviral infections in 47 captive and free-living Callithrix from urban and peri-urban areas in the semiarid region of northeastern Brazil (SNB) in 2018.
View Article and Find Full Text PDFAm J Primatol
January 2025
Department of Physiology, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia.
Socio-dynamic situations require a balance between response execution and action inhibition. Nonadaptive imbalance between response inhibition and execution exists in neurodevelopmental and neuropsychological disorders. To investigate the underlying neural mechanisms of cognitive control and the related deficits, comparative studies in human and nonhuman primates are crucial.
View Article and Find Full Text PDFInt J Mol Sci
December 2024
Department of Biological Sciences, State University of New York College of Optometry, New York, NY 10036, USA.
Myopic eye growth induces mechanical stretch, which can lead to structural and functional retinal alterations. Here, we investigated the effect of lens-induced myopic growth on the distribution of retinal ganglion cells (RGCs), glial fibrillary acidic protein (GFAP) expression and intensity, and peripapillary retinal nerve fiber layer (ppRNFL) thickness in common marmosets () induced with myopia continuously for six months, using immunohistochemistry and spectral-domain optical coherence tomography. We also explored the relationship between cellular structural parameters and the photopic negative response (PhNR) using full-field electroretinography.
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