Journal
NEUROBIOLOGY OF AGING
Volume 39, Issue -, Pages 195-201Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.neurobiolaging.2015.12.017
Keywords
Aging; Amyloid; Cerebral cortex; Wild great apes; Tau; Pathology
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Funding
- Great Ape Aging Project, NIH grant [AG014308]
- Barrow Neurological Institute Barrow and Beyond
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Amyloid beta (A beta) and tau pathology have been described in the brains of captive aged great apes, but the natural progression of these age-related pathologies from wild great apes, including the gorilla, is unknown. In our previous study of Western lowland gorillas (Gorilla gorilla gorilla) who were housed in American Zoos and Aquariums-accredited facilities, we found an age-related increase in A beta-positive plaques and vasculature, tau-positive astrocytes, oligodendrocyte coiled bodies, and neuritic clusters in the neocortex as well as hippocampus in older animals. Here, we demonstrate that aged wild mountain gorillas (Gorilla beringei beringei), who spent their entire lives in their natural habitat, also display an age-related increase in amyloid precursor protein (APP) and/or A beta-immunoreactive blood vessels and plaques, but very limited tau pathology, in the frontal cortex. These results indicate that A beta and tau lesions are age-related events that occur in the brain of gorillas living in captivity and in the wild. (C) 2016 Elsevier Inc. All rights reserved.
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