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Diehl Rodriguez R, Tavares MCH, Brucki SMD, Takada LT, Otaduy MCG, da Graça Morais Martin M, Kimie Suemoto C, Grinberg LT, Leite CC, Tomaz C, Nitrini R. Bearded capuchin monkeys as a model for Alzheimer's disease. Sci Rep 2024; 14:6287. [PMID: 38491154 PMCID: PMC10943096 DOI: 10.1038/s41598-024-56791-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 03/11/2024] [Indexed: 03/18/2024] Open
Abstract
The absence of a natural animal model is one of the main challenges in Alzheimer's disease research. Despite the challenges of using nonhuman primates in studies, these animals can bridge mouse models and humans, as nonhuman primates are phylogenetically closer to humans and can spontaneously develop AD-type pathology. The capuchin monkey, a New World primate, has recently attracted attention due to its skill in creating and using instruments. We analyzed one capuchin brain using structural 7 T MRI and performed a neuropathological evaluation of three animals. Alzheimer-type pathology was found in the two of the capuchins. Widespread β-amyloid pathology was observed, mainly in focal deposits with variable morphology and a high density of mature plaques. Notably, plaque-associated dystrophic neurites associated with disruption of axonal transport and early cytoskeletal alteration were frequently found. Unlike in other species of New World monkeys, cerebral arterial angiopathy was not the predominant form of β-amyloid pathology. Additionally, abnormal aggregates of hyperphosphorylated tau, resembling neurofibrillary pathology, were observed in the temporal and frontal cortex. Astrocyte hypertrophy surrounding plaques was found, suggesting a neuroinflammatory response. These findings indicate that aged capuchin monkeys can spontaneously develop Alzheimer-type pathology, indicating that they may be an advantageous animal model for research in Alzheimer's disease.
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Affiliation(s)
- Roberta Diehl Rodriguez
- Behavioral and Cognitive Neurology Group, Department of Neurology, University of São Paulo, 255 Dr. Enéas Carvalho de Aguiar, São Paulo, SP, CEP 05403-000, Brazil
- Laboratório de Ressonância Magnética em Neurorradiologia (LIM-44) da Faculdade de Medicina da Universidade de São Paulo, 250 Dr. Enéas Carvalho de Aguiar, São Paulo, SP, CEP 05403-000, Brazil
| | - Maria Clotilde H Tavares
- Laboratory of Neuroscience and Behavior, Department of Physiological Sciences, University of Brasília, Asa Norte, Brasília, DF, CEP 70910-900, Brazil
- Primate Center, Institute of Biology, University of Brasília, Park Way-Núcleo Bandeirante, Brasília, DF, CEP 71750-000, Brazil
| | - Sonia Maria Dozzi Brucki
- Behavioral and Cognitive Neurology Group, Department of Neurology, University of São Paulo, 255 Dr. Enéas Carvalho de Aguiar, São Paulo, SP, CEP 05403-000, Brazil
| | - Leonel Tadao Takada
- Behavioral and Cognitive Neurology Group, Department of Neurology, University of São Paulo, 255 Dr. Enéas Carvalho de Aguiar, São Paulo, SP, CEP 05403-000, Brazil
| | - Maria Concepción Garcia Otaduy
- Laboratório de Ressonância Magnética em Neurorradiologia (LIM-44) da Faculdade de Medicina da Universidade de São Paulo, 250 Dr. Enéas Carvalho de Aguiar, São Paulo, SP, CEP 05403-000, Brazil
| | - Maria da Graça Morais Martin
- Laboratório de Ressonância Magnética em Neurorradiologia (LIM-44) da Faculdade de Medicina da Universidade de São Paulo, 250 Dr. Enéas Carvalho de Aguiar, São Paulo, SP, CEP 05403-000, Brazil
| | - Claudia Kimie Suemoto
- Biobank for Aging Studies, University of São Paulo, 455 Dr. Arnaldo, São Paulo, SP, CEP 01246-903, Brazil
| | - Lea T Grinberg
- Biobank for Aging Studies, University of São Paulo, 455 Dr. Arnaldo, São Paulo, SP, CEP 01246-903, Brazil
- Memory and Aging Center, University of California San Francisco, San Francisco, CA, 94158, USA
| | - Claudia Costa Leite
- Laboratório de Ressonância Magnética em Neurorradiologia (LIM-44) da Faculdade de Medicina da Universidade de São Paulo, 250 Dr. Enéas Carvalho de Aguiar, São Paulo, SP, CEP 05403-000, Brazil
| | - Carlos Tomaz
- Faculty of Medicine, Euro-American University Center-UNIEURO, Asa Sul, Brasilia, DF, CEP 70297-400, Brazil
| | - Ricardo Nitrini
- Behavioral and Cognitive Neurology Group, Department of Neurology, University of São Paulo, 255 Dr. Enéas Carvalho de Aguiar, São Paulo, SP, CEP 05403-000, Brazil.
- Biobank for Aging Studies, University of São Paulo, 455 Dr. Arnaldo, São Paulo, SP, CEP 01246-903, Brazil.
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Bretas R, Freitas-Ferreira E, Souto Maior R, Tomaz C, Gonçalves-Mendes MT, Aversi-Ferreira TA. Comparative anatomy of the Sapajus sp. (bearded capuchin) hand with comments on tool use in a parallel evolution with the hominid pathway. Front Physiol 2024; 15:1292035. [PMID: 38405122 PMCID: PMC10884321 DOI: 10.3389/fphys.2024.1292035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 01/05/2024] [Indexed: 02/27/2024] Open
Abstract
Introduction: Bearded capuchins display a wide variety of manipulatory skills and make routine use of tools in both captivity and the wild. The efficient handling of objects in this genus has led several investigators to assume near-human thumb movements, despite a lack of anatomical studies. Methods: Here, we performed an anatomical analysis of muscles and bones in the capuchin hand. Sapajus morphological traits were quantitatively compared with those of humans, chimpanzees, gorillas, and baboons. Results: The comparative analysis indicated that the Sapajus hand is more similar to that of baboons and least similar to that of humans according to the muscles, bones, and three-dimensional data. Furthermore, these findings suggest that bearded capuchins lack true thumb opponency. Regarding manipulatory skills, they display rather primitive hand traits, with limited resources for precision grasping using the opponens pollicis. Discussion: These findings suggest that bearded capuchins' complex use of tools depends more heavily on their high cognitive abilities than on a versatile hand apparatus. These findings offer crucial insights into the evolution of primate cognition.
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Affiliation(s)
| | | | - Rafael Souto Maior
- Laboratory of Physiological Sciences, Department of Structural Biology, Institute of Biological Sciences, University of Brasilia, Brasilia, Brazil
| | - Carlos Tomaz
- Postgraduate Program in Environment, University CEUMA, São Luís, Brazil
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Rodriguez RD, Tavares MC, Brucki SM, Takada LT, Otaduy MC, da Graça Morais Martin M, Suemoto C, Grinberg L, Leite C, Tomaz C, Nitrini R. Bearded capuchin monkey as a model for Alzheimer's disease research. RESEARCH SQUARE 2023:rs.3.rs-3495799. [PMID: 38106066 PMCID: PMC10723548 DOI: 10.21203/rs.3.rs-3495799/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
The absence of a natural animal model is one of the main challenges in Alzheimer's disease research. Despite the challenges of using non-human primates in studies, they can bridge mouse models and humans, as non-human primates are phylogenetically close to humans and can spontaneously develop AD-type pathology. The capuchin monkey, a New World primate, has recently attracted attention due to its skill in creating and using instruments. We analyzed three capuchin brains using structural 7T MRI and neuropathological evaluation. Alzheimer-type pathology was found in one case. Widespread β-amyloid pathology mainly in the form of focal deposits with variable morphology and high density of mature plaques. Noteworthy, plaque-associated dystrophic neurites, associated with disrupted of axonal transport and early cytoskeletal alteration, were frequently found. Unlike other species of New World monkeys, cerebral arterial angiopathy was not the predominant form of β-amyloid pathology. Additionally, abnormal aggregates of hyperphosphorylated tau, resembling neurofibrillary pathology, were observed in the temporal and frontal cortex. Besides, astrocyte hypertrophy surrounding plaques was found, suggesting a neuroinflammatory response. Aged capuchin monkeys can spontaneously develop Alzheimer-type pathology, indicating that they may be an advantageous animal model for research in Alzheimer's disease.
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Reilly OT, Brosnan SF, Benítez ME, Phillips KA, Hecht EE. Sex differences in white matter tracts of capuchin monkey brains. J Comp Neurol 2023; 531:1096-1107. [PMID: 37127839 PMCID: PMC10247455 DOI: 10.1002/cne.25480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 03/08/2023] [Accepted: 03/15/2023] [Indexed: 05/03/2023]
Abstract
Nonhuman primates exhibit sexual dimorphism in behavior, suggesting that there could be underlying differences in brain organization and function. Understanding this neuroanatomical variation is critical for enhancing our understanding of the evolution of sex differences in the human brain. Tufted capuchin monkeys (Sapajus [Cebus] apella) represent a phylogenetically diverse taxa of neotropical primates that converge on several behavioral characteristics with humans relevant to social organization, making them an important point of comparison for studying the evolution of sex differences in primates. While anatomical sex differences in gray matter have previously been found in capuchin monkeys, the current study investigates sex differences in white matter tracts. We carried out tract-based spatial statistical analysis on fractional anisotropy images of tufted capuchin monkeys (15 female, 5 male). We found that females showed significantly higher fractional anisotropy than males in regions of frontal-parietal white matter in the right cerebral hemisphere. Paralleling earlier findings in gray matter, male and female fractional anisotropy values in these regions were nonoverlapping. This complements prior work pointing toward capuchin sex differences in limbic circuitry and higher-order visual regions. We propose that these sex differences are related to the distinct socioecological niches occupied by male and female capuchins. Capuchin neuroanatomical sex differences appear to be more pronounced than in humans, which we suggest may relate to human adaptations for prolonged neurodevelopmental trajectories and increased plasticity.
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Affiliation(s)
- Olivia T Reilly
- Department of Psychology, Georgia State University, Atlanta, Georgia
- Language Research Center, Georgia State University, Atlanta, Georgia
- Department of Human Evolutionary Biology, Harvard University, Cambridge, Massachusetts
| | - Sarah F Brosnan
- Department of Psychology, Georgia State University, Atlanta, Georgia
- Language Research Center, Georgia State University, Atlanta, Georgia
- Center for Behavioral Neuroscience, Georgia State University, Atlanta, Georgia
- Neuroscience Institute, Georgia State University, Atlanta, Georgia
| | - Marcela E Benítez
- Language Research Center, Georgia State University, Atlanta, Georgia
- Department of Anthropology, Emory University, Atlanta, Georgia
| | - Kimberley A Phillips
- Department of Psychology, Trinity University, San Antonio, Texas
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, Texas
| | - Erin E Hecht
- Department of Human Evolutionary Biology, Harvard University, Cambridge, Massachusetts
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Willbrand EH, Maboudian SA, Kelly JP, Parker BJ, Foster BL, Weiner KS. Sulcal morphology of posteromedial cortex substantially differs between humans and chimpanzees. Commun Biol 2023; 6:586. [PMID: 37264068 PMCID: PMC10235074 DOI: 10.1038/s42003-023-04953-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 05/18/2023] [Indexed: 06/03/2023] Open
Abstract
Recent studies identify a surprising coupling between evolutionarily new sulci and the functional organization of human posteromedial cortex (PMC). Yet, no study has compared this modern PMC sulcal patterning between humans and non-human hominoids. To fill this gap in knowledge, we first manually defined over 2500 PMC sulci in 120 chimpanzee (Pan Troglodytes) hemispheres and 144 human hemispheres. We uncovered four new sulci, and quantitatively identified species differences in sulcal incidence, depth, and surface area. Interestingly, some sulci are more common in humans and others, in chimpanzees. Further, we found that the prominent marginal ramus of the cingulate sulcus differs significantly between species. Contrary to classic observations, the present results reveal that the surface anatomy of PMC substantially differs between humans and chimpanzees-findings which lay a foundation for better understanding the evolution of neuroanatomical-functional and neuroanatomical-behavioral relationships in this highly expanded region of the human cerebral cortex.
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Affiliation(s)
- Ethan H Willbrand
- Department of Psychology, University of California Berkeley, Berkeley, CA, 94720, USA
- Helen Wills Neuroscience Institute, University of California Berkeley, Berkeley, CA, 94720, USA
| | - Samira A Maboudian
- Helen Wills Neuroscience Institute, University of California Berkeley, Berkeley, CA, 94720, USA
| | - Joseph P Kelly
- Department of Psychology, University of California Berkeley, Berkeley, CA, 94720, USA
| | - Benjamin J Parker
- Helen Wills Neuroscience Institute, University of California Berkeley, Berkeley, CA, 94720, USA
| | - Brett L Foster
- Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Kevin S Weiner
- Department of Psychology, University of California Berkeley, Berkeley, CA, 94720, USA.
- Helen Wills Neuroscience Institute, University of California Berkeley, Berkeley, CA, 94720, USA.
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Willbrand EH, Maboudian SA, Kelly JP, Parker BJ, Foster BL, Weiner KS. Sulcal morphology of posteromedial cortex substantially differs between humans and chimpanzees. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.06.527223. [PMID: 36798269 PMCID: PMC9934567 DOI: 10.1101/2023.02.06.527223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Recent studies identify a surprising coupling between evolutionarily new sulci and the functional organization of human posteromedial cortex (PMC). Yet, no study has compared this modern PMC sulcal patterning between humans and non-human hominoids. To fill this gap in knowledge, we first manually defined 918 sulci in 120 chimpanzee ( Pan Troglodytes ) hemispheres and 1619 sulci in 144 human hemispheres. We uncovered four new PMC sulci, and quantitatively identified species differences in incidence, depth, and surface area. Interestingly, some PMC sulci are more common in humans and others, in chimpanzees. Further, we found that the prominent marginal ramus of the cingulate sulcus differs significantly between species. Contrary to classic observations, the present results reveal that the surface anatomy of PMC substantially differs between humans and chimpanzees â€" findings which lay a foundation for better understanding the evolution of neuroanatomical-functional and neuroanatomical-behavioral relationships in this highly expanded region of the human cerebral cortex.
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Gurung S, Reuter D, Norris A, Dubois M, Maxted M, Singleton K, Castillo-Castrejon M, Papin JF, Myers DA. Early and mid-gestation Zika virus (ZIKV) infection in the olive baboon (Papio anubis) leads to fetal CNS pathology by term gestation. PLoS Pathog 2022; 18:e1010386. [PMID: 35969617 PMCID: PMC9410558 DOI: 10.1371/journal.ppat.1010386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 08/25/2022] [Accepted: 07/20/2022] [Indexed: 11/19/2022] Open
Abstract
Zika virus (ZIKV) infection in pregnancy can produce catastrophic teratogenic damage to the developing fetus including microcephaly and congenital Zika syndrome (CZS). We previously described fetal CNS pathology occurring by three weeks post-ZIKV inoculation in Olive baboons at mid-gestation, including neuroinflammation, loss of radial glia (RG), RG fibers, neuroprogenitor cells (NPCs) resulting in disrupted NPC migration. In the present study, we explored fetal brain pathologies at term gestation resulting from ZIKV exposure during either first or second trimester in the Olive baboon. In all dams, vRNA in whole blood resolved after 7 days post inoculation (dpi). One first trimester infected dam aborted at 5 dpi. All dams developed IgM and IgG response to ZIKV with ZIKV IgG detected in fetal serum. Placental pathology and inflammation were observed including disruption of syncytiotrophoblast layers, delayed villous maturation, partially or fully thrombosed vessels, calcium mineralization and fibrin deposits. In the uterus, ZIKV was detected in ¾ first trimester but not in second trimester infected dams. While ZIKV was not detected in any fetal tissue at term, all fetuses exhibited varying degrees of neuropathology. Fetal brains from ZIKV inoculated dams exhibited a range of gross brain pathologies including irregularities of the major gyri and sulci of the cerebral cortex and cerebellar pathology. Frontal cortices of ZIKV fetuses showed a general disorganization of the six-layered cortex with degree of disorganization varying among the fetuses from the two groups. Frontal cortices from ZIKV inoculation in the first but not second trimester exhibited increased microglia, and in both trimester ZIKV inoculation, increased astrocyte numbers (white matter). In the cerebellum, increased microglia were observed in fetuses from both first and second trimester inoculation. In first trimester ZIKV inoculation, decreased oligodendrocyte precursor cell populations were observed in fetal cerebellar white matter. In general, our observations are in accordance with those described in human ZIKV infected fetuses.
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Affiliation(s)
- Sunam Gurung
- Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, United States of America
| | - Darlene Reuter
- Division of Comparative Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, United States of America
| | - Abby Norris
- Division of Comparative Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, United States of America
| | - Molly Dubois
- Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, United States of America
| | - Marta Maxted
- Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, United States of America
| | - Krista Singleton
- Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, United States of America
| | - Marisol Castillo-Castrejon
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, United States of America
| | - James F. Papin
- Division of Comparative Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, United States of America
| | - Dean A. Myers
- Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, United States of America
- * E-mail:
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