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Charbonneau JA, Santistevan AC, Raven EP, Bennett JL, Russ BE, Bliss-Moreau E. Evolutionarily conserved neural responses to affective touch in monkeys transcend consciousness and change with age. Proc Natl Acad Sci U S A 2024; 121:e2322157121. [PMID: 38648473 PMCID: PMC11067024 DOI: 10.1073/pnas.2322157121] [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: 12/15/2023] [Accepted: 03/05/2024] [Indexed: 04/25/2024] Open
Abstract
Affective touch-a slow, gentle, and pleasant form of touch-activates a different neural network than which is activated during discriminative touch in humans. Affective touch perception is enabled by specialized low-threshold mechanoreceptors in the skin with unmyelinated fibers called C tactile (CT) afferents. These CT afferents are conserved across mammalian species, including macaque monkeys. However, it is unknown whether the neural representation of affective touch is the same across species and whether affective touch's capacity to activate the hubs of the brain that compute socioaffective information requires conscious perception. Here, we used functional MRI to assess the preferential activation of neural hubs by slow (affective) vs. fast (discriminative) touch in anesthetized rhesus monkeys (Macaca mulatta). The insula, anterior cingulate cortex (ACC), amygdala, and secondary somatosensory cortex were all significantly more active during slow touch relative to fast touch, suggesting homologous activation of the interoceptive-allostatic network across primate species during affective touch. Further, we found that neural responses to affective vs. discriminative touch in the insula and ACC (the primary cortical hubs for interoceptive processing) changed significantly with age. Insula and ACC in younger animals differentiated between slow and fast touch, while activity was comparable between conditions for aged monkeys (equivalent to >70 y in humans). These results, together with prior studies establishing conserved peripheral nervous system mechanisms of affective touch transduction, suggest that neural responses to affective touch are evolutionarily conserved in monkeys, significantly impacted in old age, and do not necessitate conscious experience of touch.
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Affiliation(s)
- Joey A. Charbonneau
- Neuroscience Graduate Program, University of California, Davis, CA95616
- Neuroscience and Behavior Unit, California National Primate Research Center, University of California, Davis, CA95616
| | - Anthony C. Santistevan
- Neuroscience and Behavior Unit, California National Primate Research Center, University of California, Davis, CA95616
- Department of Psychology, University of California, Davis, CA95616
| | - Erika P. Raven
- Department of Radiology, Center for Biomedical Imaging, New York University Grossman School of Medicine, New York, NY10016
| | - Jeffrey L. Bennett
- Neuroscience and Behavior Unit, California National Primate Research Center, University of California, Davis, CA95616
- Department of Psychology, University of California, Davis, CA95616
- Department of Psychiatry and Behavioral Sciences, University of California, Davis School of Medicine, Sacramento, CA95817
- The Medical Investigation of Neurodevelopmental Disorders Institute, University of California, Sacramento, CA95817
| | - Brian E. Russ
- Center for Biomedical Imaging and Neuromodulation, Nathan Kline Institute, Orangeburg, NY10962
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY10029
- Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY10029
- Department of Psychiatry, New York University Langone, New York, NY10016
| | - Eliza Bliss-Moreau
- Neuroscience and Behavior Unit, California National Primate Research Center, University of California, Davis, CA95616
- Department of Psychology, University of California, Davis, CA95616
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2
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Ha LJ, Yeo HG, Kim YG, Baek I, Baeg E, Lee YH, Won J, Jung Y, Park J, Jeon CY, Kim K, Min J, Song Y, Park JH, Nam KR, Son S, Yoo SBM, Park SH, Choi WS, Lim KS, Choi JY, Cho JH, Lee Y, Choi HJ. Hypothalamic neuronal activation in non-human primates drives naturalistic goal-directed eating behavior. Neuron 2024:S0896-6273(24)00236-8. [PMID: 38663401 DOI: 10.1016/j.neuron.2024.03.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 01/16/2024] [Accepted: 03/28/2024] [Indexed: 06/03/2024]
Abstract
Maladaptive feeding behavior is the primary cause of modern obesity. While the causal influence of the lateral hypothalamic area (LHA) on eating behavior has been established in rodents, there is currently no primate-based evidence available on naturalistic eating behaviors. We investigated the role of LHA GABAergic (LHAGABA) neurons in eating using chemogenetics in three macaques. LHAGABA neuron activation significantly increased naturalistic goal-directed behaviors and food motivation, predominantly for palatable food. Positron emission tomography and magnetic resonance spectroscopy validated chemogenetic activation. Resting-state functional magnetic resonance imaging revealed that the functional connectivity (FC) between the LHA and frontal areas was increased, while the FC between the frontal cortices was decreased after LHAGABA neuron activation. Thus, our study elucidates the role of LHAGABA neurons in eating and obesity therapeutics for primates and humans.
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Affiliation(s)
- Leslie Jaesun Ha
- Department of Biomedical Sciences, Neuroscience Research Institute, Wide River Institute of Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hyeon-Gu Yeo
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea; KRIBB School of Bioscience, Korea National University of Science and Technology, Daejeon, Republic of Korea
| | - Yu Gyeong Kim
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea; KRIBB School of Bioscience, Korea National University of Science and Technology, Daejeon, Republic of Korea
| | - Inhyeok Baek
- Department of Biomedical Sciences, Neuroscience Research Institute, Wide River Institute of Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Eunha Baeg
- Department of Nano-bioengineering, Incheon National University, Incheon, Republic of Korea; Center for Brain-Machine Interface, Incheon National University, Incheon, Republic of Korea
| | - Young Hee Lee
- Department of Biomedical Sciences, Neuroscience Research Institute, Wide River Institute of Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jinyoung Won
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea
| | - Yunkyo Jung
- Department of Biomedical Sciences, Neuroscience Research Institute, Wide River Institute of Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea; National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea
| | - Junghyung Park
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea
| | - Chang-Yeop Jeon
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea
| | - Keonwoo Kim
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea; School of Life Sciences, BK21 Plus KNU Creative BioResearch Group, Kyungpook National University, Daegu, Republic of Korea
| | - Jisun Min
- Department of Biomedical Sciences, Neuroscience Research Institute, Wide River Institute of Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea; National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea
| | - Youngkyu Song
- Center for Bio-imaging and Translational Research, Korea Basic Science Institute, Cheongju, Republic of Korea
| | - Jeong-Heon Park
- Center for Bio-imaging and Translational Research, Korea Basic Science Institute, Cheongju, Republic of Korea
| | - Kyung Rok Nam
- Division of Applied RI, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Sangkyu Son
- Center for Neuroscience Imaging Research, Institute for Basic Science, Suwon, Republic of Korea; Department of Biomedical Engineering, Sungkyunkwan University, Suwon, Republic of Korea; Department of Intelligent Precision Healthcare Convergence, Sungkyunkwan University, Suwon, Republic of Korea
| | - Seng Bum Michael Yoo
- Center for Neuroscience Imaging Research, Institute for Basic Science, Suwon, Republic of Korea; Department of Biomedical Engineering, Sungkyunkwan University, Suwon, Republic of Korea; Department of Intelligent Precision Healthcare Convergence, Sungkyunkwan University, Suwon, Republic of Korea
| | - Sung-Hyun Park
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea
| | - Won Seok Choi
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea
| | - Kyung Seob Lim
- Futuristic Animal Resource and Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea
| | - Jae Yong Choi
- Division of Applied RI, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea; Radiological and Medico-Oncological Sciences, Korea National University of Science and, Technology, Seoul, Republic of Korea.
| | - Jee-Hyun Cho
- Center for Bio-imaging and Translational Research, Korea Basic Science Institute, Cheongju, Republic of Korea.
| | - Youngjeon Lee
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea; KRIBB School of Bioscience, Korea National University of Science and Technology, Daejeon, Republic of Korea.
| | - Hyung Jin Choi
- Department of Biomedical Sciences, Neuroscience Research Institute, Wide River Institute of Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea; Department of Brain and Cognitive Sciences, Seoul National University, Seoul, South Korea.
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3
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Cox LA, Puppala S, Chan J, Zimmerman KD, Hamid Z, Ampong I, Huber HF, Li G, Jadhav AYL, Wang B, Li C, Baxter MG, Shively C, Clarke GD, Register TC, Nathanielsz PW, Olivier M. Integrated multi-omics analysis of brain aging in female nonhuman primates reveals altered signaling pathways relevant to age-related disorders. Neurobiol Aging 2023; 132:109-119. [PMID: 37797463 PMCID: PMC10841409 DOI: 10.1016/j.neurobiolaging.2023.08.009] [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: 04/20/2023] [Revised: 08/25/2023] [Accepted: 08/27/2023] [Indexed: 10/07/2023]
Abstract
The prefrontal cortex (PFC) has been implicated as a key brain region responsible for age-related cognitive decline. Little is known about aging-related molecular changes in PFC that may mediate these effects. To date, no studies have used untargeted discovery methods with integrated analyses to determine PFC molecular changes in healthy female primates. We quantified PFC changes associated with healthy aging in female baboons by integrating multiple omics data types (transcriptomics, proteomics, metabolomics) from samples across the adult age span. Our integrated omics approach using unbiased weighted gene co-expression network analysis to integrate data and treat age as a continuous variable, revealed highly interconnected known and novel pathways associated with PFC aging. We found Gamma-aminobutyric acid (GABA) tissue content associated with these signaling pathways, providing 1 potential biomarker to assess PFC changes with age. These highly coordinated pathway changes during aging may represent early steps for aging-related decline in PFC functions, such as learning and memory, and provide potential biomarkers to assess cognitive status in humans.
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Affiliation(s)
- Laura A Cox
- Center for Precision Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA; Section on Molecular Medicine, Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA; Section on Comparative Medicine, Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, NC, USA; Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA.
| | - Sobha Puppala
- Center for Precision Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA; Section on Molecular Medicine, Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Jeannie Chan
- Center for Precision Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA; Section on Molecular Medicine, Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Kip D Zimmerman
- Center for Precision Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA; Section on Molecular Medicine, Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Zeeshan Hamid
- Center for Precision Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA
| | - Isaac Ampong
- Center for Precision Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA
| | - Hillary F Huber
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Ge Li
- Center for Precision Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA
| | - Avinash Y L Jadhav
- Center for Precision Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA
| | - Benlian Wang
- Center for Precision Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA
| | - Cun Li
- Texas Pregnancy & Life-Course Health Research Center, Department of Animal Science, University of Wyoming, Laramie, WY, USA
| | - Mark G Baxter
- Section on Comparative Medicine, Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Carol Shively
- Center for Precision Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA; Section on Comparative Medicine, Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Geoffrey D Clarke
- Department of Radiology, University of Texas Health Science Center, San Antonio, TX, USA
| | - Thomas C Register
- Center for Precision Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA; Section on Comparative Medicine, Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Peter W Nathanielsz
- Texas Pregnancy & Life-Course Health Research Center, Department of Animal Science, University of Wyoming, Laramie, WY, USA
| | - Michael Olivier
- Center for Precision Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA; Section on Molecular Medicine, Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA
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4
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Rothwell ES, Carp SB, Bliss-Moreau E. The importance of social behavior in nonhuman primate studies of aging: A mini-review. Neurosci Biobehav Rev 2023; 154:105422. [PMID: 37806369 DOI: 10.1016/j.neubiorev.2023.105422] [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: 03/13/2023] [Revised: 08/30/2023] [Accepted: 10/03/2023] [Indexed: 10/10/2023]
Abstract
Social behavior plays an important role in supporting both psychological and physical health across the lifespan. People's social lives change as they age, and the nature of these changes differ based on whether people are on healthy aging trajectories or are experiencing neurodegenerative diseases that cause dementia, such as Alzheimer's disease and Parkinson's disease. Nonhuman primate models of aging have provided a base of knowledge comparing aging trajectories in health and disease, but these studies rarely emphasize social behavior changes as a consequence of the aging process. What data exist hold particular value, as negative effects of disease and aging on social behavior are likely to have disproportionate impacts on quality of life. In this mini review, we examine the literature on nonhuman primate models of aging with a focus on social behavior, in the context of both health and disease. We propose that adopting a greater focus on social behavior outcomes in nonhuman primates will improve our understanding of the intersection of health, aging and sociality in humans.
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Affiliation(s)
- Emily S Rothwell
- Department of Neurobiology, School of Medicine University of Pittsburgh, 3501 Fifth Avenue, Biomedical Science Tower 3, Pittsburgh, PA 15213, USA.
| | - Sarah B Carp
- Neuroscience & Behavior Unit, California National Primate Research Center, University of California Davis, County Road 98 at Hutchinson Drive, Davis, CA 95616, USA
| | - Eliza Bliss-Moreau
- Neuroscience & Behavior Unit, California National Primate Research Center, University of California Davis, County Road 98 at Hutchinson Drive, Davis, CA 95616, USA; Department of Psychology, University of California Davis, County Road 98 at Hutchinson Drive, Davis, CA 95616, USA
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5
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Vanderlip CR, Asch PA, Reynolds JH, Glavis-Bloom C. Domain-Specific Cognitive Impairment Reflects Prefrontal Dysfunction in Aged Common Marmosets. eNeuro 2023; 10:ENEURO.0187-23.2023. [PMID: 37553239 PMCID: PMC10444537 DOI: 10.1523/eneuro.0187-23.2023] [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: 05/31/2023] [Revised: 07/14/2023] [Accepted: 07/17/2023] [Indexed: 08/10/2023] Open
Abstract
Age-related cognitive impairment is not expressed uniformly across cognitive domains. Cognitive functions that rely on brain areas that undergo substantial neuroanatomical changes with age often show age-related impairment, whereas those that rely on brain areas with minimal age-related change typically do not. The common marmoset has grown in popularity as a model for neuroscience research, but robust cognitive phenotyping, particularly as a function of age and across multiple cognitive domains, is lacking. This presents a major limitation for the development and evaluation of the marmoset as a model of cognitive aging and leaves open the question of whether they exhibit age-related cognitive impairment that is restricted to some cognitive domains, as in humans. In this study, we characterized stimulus-reward association learning and cognitive flexibility in young adults to geriatric marmosets using a Simple Discrimination task and a Serial Reversal task, respectively. We found that aged marmosets show transient impairment in learning-to-learn but have conserved ability to form stimulus-reward associations. Furthermore, aged marmosets have impaired cognitive flexibility driven by susceptibility to proactive interference. As these impairments are in domains critically dependent on the prefrontal cortex, our findings support prefrontal cortical dysfunction as a prominent feature of neurocognitive aging. This work positions the marmoset as a key model for understanding the neural underpinnings of cognitive aging.
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Affiliation(s)
- Casey R Vanderlip
- Systems Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, California 92037
| | - Payton A Asch
- Systems Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, California 92037
| | - John H Reynolds
- Systems Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, California 92037
| | - Courtney Glavis-Bloom
- Systems Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, California 92037
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6
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Samad N, Azdee MAH, Imran I, Ahmad T, Alqahtani F. Mitigation of behavioral deficits and cognitive impairment by antioxidant and neuromodulatory potential of Mukia madrespatana in D-galactose treated rats. Saudi J Biol Sci 2023; 30:103708. [PMID: 37415861 PMCID: PMC10320603 DOI: 10.1016/j.sjbs.2023.103708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/04/2023] [Accepted: 06/09/2023] [Indexed: 07/08/2023] Open
Abstract
Plants and their parts have been extensively used for the therapeutic purposes such as aging due to their powerful antioxidative belongings. Presently, we intended to examine the consequence of fruit peel of Mukia madrespatana (M.M) on D-galactose (D-Gal) persuaded anxiety and/or depression profile, cognition and serotonin metabolism in rats. Animals were divided in to 4 groups (n = 6). (i) Water treated (ii) D-Gal treated (iii) M.M. treated (iv) D-Gal + M.M. treated. All the animals received their respective treatment for 4 weeks. D-Gal and M.M. fruit peel were given to animals with oral gavage with doses 300 mg/ml/kg/day and 2 g/kg/day respectively. After 4 weeks' behavioral analysis performed to evaluate anxiety and depression profile, cognitive function of animals. After that animals were sacrificed and whole brain removed for biochemical (redox status, degradative enzyme of acetylcholine), and neurochemical (serotonin metabolism) analysis. Results showed that administration of M.M. inhibited D-Gal-instigated anxious and depressive behaviors and improved cognition. Treatment of M.M. decreased MDA levels, AChE activity and increased antioxidant enzyme activity in D-Gal administered and control rats. Enhanced serotonin metabolism also decreased by M.M. in control and D-Gal administered rats. In conclusion, M.M. fruit peel has powerful antioxidative and neuromodulatory properties and due to this effect, it may be a good source of mitigation/treatment for aging induced behavioral and cognitive impairment.
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Affiliation(s)
- Noreen Samad
- Department of Biochemistry, Faculty of Science, Bahauddin Zakariya University, 60800 Multan, Pakistan
| | | | - Imran Imran
- Department of Pharmacology, Faculty of Pharmacy, Bahauddin Zakariya University, 60800 Multan, Pakistan
| | - Tanveer Ahmad
- Institut Pour I, Avancee des Biosciences, Centre de Recherche UGA / INSERM U1209 / CNRS 5309, Universite Grenoble Alpes, France
| | - Faleh Alqahtani
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
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Niu Y, Liu J, Qin H, Liu Y, Huang N, Jiang J, Chen Y, Chen S, Bai T, Yang C, Cao Y, Liu S, Yuan H. Development of an innovative minimally invasive primate spinal cord injury model: A case report. IBRAIN 2023; 9:349-356. [PMID: 37786753 PMCID: PMC10527794 DOI: 10.1002/ibra.12117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 06/09/2023] [Accepted: 06/12/2023] [Indexed: 10/04/2023]
Abstract
Spinal cord injury (SCI) animal models have been widely created and utilized for repair therapy research, but more suitable experimental animals and accurate modeling methodologies are required to achieve the desired results. In this experiment, we constructed an innovative dorsal 1/4 spinal cord transection macaque model that had fewer severe problems, facilitating postoperative care and recovery. In essence, given that monkeys and humans share similar genetics and physiology, the efficacy of this strategy in a nonhuman primate SCI model basically serves as a good basis for its prospective therapeutic use in human SCI.
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Affiliation(s)
- Yong‐Min Niu
- Institute of NeuroscienceKunming Medical UniversityKunmingYunnanChina
| | - Jin‐Xiang Liu
- Institute of NeuroscienceKunming Medical UniversityKunmingYunnanChina
| | - Hao‐Yue Qin
- Department of AnesthesiologySouthwest Medical UniversityLuzhouSichuanChina
| | - Yi‐Fan Liu
- Yunnan Cancer HospitalThe Third Affiliated Hospital of Kunming Medical UniversityYunnanChina
| | - Ni‐Jiao Huang
- Department of Orthopaedic SurgeryAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
| | - Ji‐Li Jiang
- Institute of NeuroscienceKunming Medical UniversityKunmingYunnanChina
| | - Yan‐Qiu Chen
- School of Preclinical MedicalZunyi Medical UniversityZunyiGuizhouChina
| | - Si‐Jing Chen
- Nursing SchoolZunyi Medical UniversityZunyiGuizhouChina
| | - Tao Bai
- School of Preclinical MedicalKunming Medical UniversityKunmingYunnanChina
| | - Chang‐Wei Yang
- Department of Nuclear MedicineAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
| | - Yu Cao
- Department of Nuclear MedicineAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
| | - Sheng Liu
- Pharmacology InstituteHeidelberg UniversityHeidelbergGermany
| | - Hao Yuan
- Department of Orthopaedic SurgeryAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
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8
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Glavis-Bloom C, Vanderlip CR, Asch PA, Reynolds JH. Domain-specific cognitive impairment reflects prefrontal dysfunction in aged common marmosets. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.22.541766. [PMID: 37292989 PMCID: PMC10245905 DOI: 10.1101/2023.05.22.541766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Age-related cognitive impairment is not expressed uniformly across cognitive domains. Cognitive functions that rely on brain areas that undergo substantial neuroanatomical changes with age often show age-related impairment, while those that rely on brain areas with minimal age-related change typically do not. The common marmoset has grown in popularity as a model for neuroscience research, but robust cognitive phenotyping, particularly as a function of age and across multiple cognitive domains, is lacking. This presents a major limitation for the development and evaluation of the marmoset as a model of cognitive aging, and leaves open the question of whether they exhibit age-related cognitive impairment that is restricted to some cognitive domains, as in humans. In this study, we characterized stimulus-reward association learning and cognitive flexibility in young adults to geriatric marmosets using a Simple Discrimination and a Serial Reversal task, respectively. We found that aged marmosets show transient impairment in "learning-to-learn" but have conserved ability to form stimulus-reward associations. Furthermore, aged marmosets have impaired cognitive flexibility driven by susceptibility to proactive interference. Since these impairments are in domains critically dependent on the prefrontal cortex, our findings support prefrontal cortical dysfunction as a prominent feature of neurocognitive aging. This work positions the marmoset as a key model for understanding the neural underpinnings of cognitive aging. Significance Statement Aging is the greatest risk factor for neurodegenerative disease development, and understanding why is critical for the development of effective therapeutics. The common marmoset, a short-lived non-human primate with neuroanatomical similarity to humans, has gained traction for neuroscientific investigations. However, the lack of robust cognitive phenotyping, particularly as a function of age and across multiple cognitive domains limits their validity as a model for age-related cognitive impairment. We demonstrate that aging marmosets, like humans, have impairment that is specific to cognitive domains reliant on brain areas that undergo substantial neuroanatomical changes with age. This work validates the marmoset as a key model for understanding region-specific vulnerability to the aging process.
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Affiliation(s)
- Courtney Glavis-Bloom
- Systems Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037
| | - Casey R Vanderlip
- Systems Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037
| | - Payton A Asch
- Systems Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037
| | - John H Reynolds
- Systems Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037
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9
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Glavis-Bloom C, Vanderlip CR, Weiser Novak S, Kuwajima M, Kirk L, Harris KM, Manor U, Reynolds JH. Violation of the ultrastructural size principle in the dorsolateral prefrontal cortex underlies working memory impairment in the aged common marmoset (Callithrix jacchus). Front Aging Neurosci 2023; 15:1146245. [PMID: 37122384 PMCID: PMC10132463 DOI: 10.3389/fnagi.2023.1146245] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 03/21/2023] [Indexed: 05/02/2023] Open
Abstract
Morphology and function of the dorsolateral prefrontal cortex (dlPFC), and corresponding working memory performance, are affected early in the aging process, but nearly half of aged individuals are spared of working memory deficits. Translationally relevant model systems are critical for determining the neurobiological drivers of this variability. The common marmoset (Callithrix jacchus) is advantageous as a model for these investigations because, as a non-human primate, marmosets have a clearly defined dlPFC that enables measurement of prefrontal-dependent cognitive functions, and their short (∼10 year) lifespan facilitates longitudinal studies of aging. Previously, we characterized working memory capacity in a cohort of marmosets that collectively covered the lifespan, and found age-related working memory impairment. We also found a remarkable degree of heterogeneity in performance, similar to that found in humans. Here, we tested the hypothesis that changes to synaptic ultrastructure that affect synaptic efficacy stratify marmosets that age with cognitive impairment from those that age without cognitive impairment. We utilized electron microscopy to visualize synapses in the marmoset dlPFC and measured the sizes of boutons, presynaptic mitochondria, and synapses. We found that coordinated scaling of the sizes of synapses and mitochondria with their associated boutons is essential for intact working memory performance in aged marmosets. Further, lack of synaptic scaling, due to a remarkable failure of synaptic mitochondria to scale with presynaptic boutons, selectively underlies age-related working memory impairment. We posit that this decoupling results in mismatched energy supply and demand, leading to impaired synaptic transmission. We also found that aged marmosets have fewer synapses in dlPFC than young, though the severity of synapse loss did not predict whether aging occurred with or without cognitive impairment. This work identifies a novel mechanism of synapse dysfunction that stratifies marmosets that age with cognitive impairment from those that age without cognitive impairment. The process by which synaptic scaling is regulated is yet unknown and warrants future investigation.
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Affiliation(s)
- Courtney Glavis-Bloom
- Salk Institute for Biological Studies, Systems Neurobiology Laboratory, La Jolla, CA, United States
| | - Casey R. Vanderlip
- Salk Institute for Biological Studies, Systems Neurobiology Laboratory, La Jolla, CA, United States
| | - Sammy Weiser Novak
- Salk Institute for Biological Studies, Waitt Advanced Biophotonics Center, La Jolla, CA, United States
| | - Masaaki Kuwajima
- Department of Neuroscience, Center for Learning and Memory, University of Texas at Austin, Austin, TX, United States
| | - Lyndsey Kirk
- Department of Neuroscience, Center for Learning and Memory, University of Texas at Austin, Austin, TX, United States
| | - Kristen M. Harris
- Department of Neuroscience, Center for Learning and Memory, University of Texas at Austin, Austin, TX, United States
| | - Uri Manor
- Salk Institute for Biological Studies, Waitt Advanced Biophotonics Center, La Jolla, CA, United States
| | - John H. Reynolds
- Salk Institute for Biological Studies, Systems Neurobiology Laboratory, La Jolla, CA, United States
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10
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Su X, Xie L, Li J, Tian X, Lin B, Chen M. Exploring molecular signatures related to the mechanism of aging in different brain regions by integrated bioinformatics. Front Mol Neurosci 2023; 16:1133106. [PMID: 37033380 PMCID: PMC10076559 DOI: 10.3389/fnmol.2023.1133106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 02/22/2023] [Indexed: 04/11/2023] Open
Abstract
The mechanism of brain aging is not fully understood. Few studies have attempted to identify molecular changes using bioinformatics at the subregional level in the aging brain. This study aimed to identify the molecular signatures and key genes involved in aging, depending on the brain region. Differentially expressed genes (DEGs) associated with aging of the cerebral cortex (CX), hippocampus (HC), and cerebellum (CB) were identified based on five datasets from the Gene Expression Omnibus (GEO). The molecular signatures of aging were explored using functional and pathway analyses. Hub genes of each brain region were determined by protein-protein interaction network analysis, and commonly expressed DEGs (co-DEGs) were also found. Gene-microRNAs (miRNAs) and gene-disease interactions were constructed using online databases. The expression levels and regional specificity of the hub genes and co-DEGs were validated using animal experiments. In total, 32, 293, and 141 DEGs were identified in aging CX, HC, and CB, respectively. Enrichment analysis indicated molecular changes related to leukocyte invasion, abnormal neurotransmission, and impaired neurogenesis due to inflammation as the major signatures of the CX, HC, and CB. Itgax is a hub gene of cortical aging. Zfp51 and Zfp62 were identified as hub genes involved in hippocampal aging. Itgax and Cxcl10 were identified as hub genes involved in cerebellar aging. S100a8 was the only co-DEG in all three regions. In addition, a series of molecular changes associated with inflammation was observed in all three brain regions. Several miRNAs interact with hub genes and S100a8. The change in gene levels was further validated in an animal experiment. Only the upregulation of Zfp51 and Zfp62 was restricted to the HC. The molecular signatures of aging exhibit regional differences in the brain and seem to be closely related to neuroinflammation. Itgax, Zfp51, Zfp62, Cxcl10, and S100a8 may be key genes and potential targets for the prevention of brain aging.
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Affiliation(s)
- Xie Su
- Department of Intensive Care Unit, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Lu Xie
- Department of Physiology, Pre-Clinical Science, Guangxi Medical University, Nanning, China
| | - Jing Li
- Department of Physiology, Pre-Clinical Science, Guangxi Medical University, Nanning, China
| | - Xinyue Tian
- Department of Intensive Care Unit, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Bing Lin
- Department of Intensive Care Unit, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Menghua Chen
- Department of Intensive Care Unit, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
- *Correspondence: Menghua Chen,
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11
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Chiou KL, DeCasien AR, Rees KP, Testard C, Spurrell CH, Gogate AA, Pliner HA, Tremblay S, Mercer A, Whalen CJ, Negrón-Del Valle JE, Janiak MC, Bauman Surratt SE, González O, Compo NR, Stock MK, Ruiz-Lambides AV, Martínez MI, Wilson MA, Melin AD, Antón SC, Walker CS, Sallet J, Newbern JM, Starita LM, Shendure J, Higham JP, Brent LJN, Montague MJ, Platt ML, Snyder-Mackler N. Multiregion transcriptomic profiling of the primate brain reveals signatures of aging and the social environment. Nat Neurosci 2022; 25:1714-1723. [PMID: 36424430 PMCID: PMC10055353 DOI: 10.1038/s41593-022-01197-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 10/05/2022] [Indexed: 11/26/2022]
Abstract
Aging is accompanied by a host of social and biological changes that correlate with behavior, cognitive health and susceptibility to neurodegenerative disease. To understand trajectories of brain aging in a primate, we generated a multiregion bulk (N = 527 samples) and single-nucleus (N = 24 samples) brain transcriptional dataset encompassing 15 brain regions and both sexes in a unique population of free-ranging, behaviorally phenotyped rhesus macaques. We demonstrate that age-related changes in the level and variance of gene expression occur in genes associated with neural functions and neurological diseases, including Alzheimer's disease. Further, we show that higher social status in females is associated with younger relative transcriptional ages, providing a link between the social environment and aging in the brain. Our findings lend insight into biological mechanisms underlying brain aging in a nonhuman primate model of human behavior, cognition and health.
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Affiliation(s)
- Kenneth L Chiou
- Center for Evolution and Medicine, Arizona State University, Tempe, AZ, USA. .,School of Life Sciences, Arizona State University, Tempe, AZ, USA. .,Department of Psychology, University of Washington, Seattle, WA, USA. .,Nathan Shock Center of Excellence in the Basic Biology of Aging, University of Washington, Seattle, WA, USA.
| | - Alex R DeCasien
- Department of Anthropology, New York University, New York, NY, USA. .,New York Consortium in Evolutionary Primatology, New York, NY, USA.
| | - Katherina P Rees
- School of Life Sciences, Arizona State University, Tempe, AZ, USA
| | - Camille Testard
- Department of Neuroscience, University of Pennsylvania, Philadelphia, PA, USA
| | | | - Aishwarya A Gogate
- Brotman Baty Institute for Precision Medicine, Seattle, WA, USA.,Seattle Children's Research Institute, Seattle, WA, USA
| | - Hannah A Pliner
- Brotman Baty Institute for Precision Medicine, Seattle, WA, USA
| | - Sébastien Tremblay
- Department of Neuroscience, University of Pennsylvania, Philadelphia, PA, USA
| | - Arianne Mercer
- Department of Psychology, University of Washington, Seattle, WA, USA
| | - Connor J Whalen
- Department of Anthropology, New York University, New York, NY, USA
| | | | - Mareike C Janiak
- School of Science, Engineering, & Environment, University of Salford, Salford, UK
| | | | - Olga González
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Nicole R Compo
- Caribbean Primate Research Center, University of Puerto Rico, San Juan, PR, USA
| | - Michala K Stock
- Department of Sociology and Anthropology, Metropolitan State University of Denver, Denver, CO, USA
| | | | - Melween I Martínez
- Caribbean Primate Research Center, University of Puerto Rico, San Juan, PR, USA
| | | | - Melissa A Wilson
- Center for Evolution and Medicine, Arizona State University, Tempe, AZ, USA.,School of Life Sciences, Arizona State University, Tempe, AZ, USA
| | - Amanda D Melin
- Department of Anthropology and Archaeology, University of Calgary, Calgary, Alberta, Canada.,Department of Medical Genetics, University of Calgary, Calgary, Alberta, Canada.,Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada
| | - Susan C Antón
- Department of Anthropology, New York University, New York, NY, USA.,New York Consortium in Evolutionary Primatology, New York, NY, USA
| | - Christopher S Walker
- Department of Molecular Biomedical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, USA
| | - Jérôme Sallet
- Stem Cell and Brain Research Institute, Université Lyon, Lyon, France
| | - Jason M Newbern
- School of Life Sciences, Arizona State University, Tempe, AZ, USA
| | - Lea M Starita
- Brotman Baty Institute for Precision Medicine, Seattle, WA, USA.,Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Jay Shendure
- Brotman Baty Institute for Precision Medicine, Seattle, WA, USA.,Department of Genome Sciences, University of Washington, Seattle, WA, USA.,Howard Hughes Medical Institute, Seattle, WA, USA.,Allen Discovery Center for Cell Lineage Tracing, Seattle, WA, USA
| | - James P Higham
- Department of Anthropology, New York University, New York, NY, USA.,New York Consortium in Evolutionary Primatology, New York, NY, USA
| | - Lauren J N Brent
- Centre for Research in Animal Behaviour, University of Exeter, Exeter, UK
| | - Michael J Montague
- Department of Neuroscience, University of Pennsylvania, Philadelphia, PA, USA
| | - Michael L Platt
- Department of Neuroscience, University of Pennsylvania, Philadelphia, PA, USA.,Marketing Department, University of Pennsylvania, Philadelphia, PA, USA.,Department of Psychology, University of Pennsylvania, Philadelphia, PA, USA
| | - Noah Snyder-Mackler
- Center for Evolution and Medicine, Arizona State University, Tempe, AZ, USA. .,School of Life Sciences, Arizona State University, Tempe, AZ, USA. .,Department of Psychology, University of Washington, Seattle, WA, USA. .,Nathan Shock Center of Excellence in the Basic Biology of Aging, University of Washington, Seattle, WA, USA. .,Center for Studies in Demography & Ecology, University of Washington, Seattle, WA, USA. .,ASU-Banner Neurodegenerative Disease Research Center, Arizona State University, Tempe, AZ, USA. .,School of Human Evolution and Social Change, Arizona State University, Tempe, AZ, USA.
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12
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Monkey visual attention does not fall into the uncanny valley. Sci Rep 2022; 12:11760. [PMID: 35817791 PMCID: PMC9273626 DOI: 10.1038/s41598-022-14615-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 06/09/2022] [Indexed: 11/08/2022] Open
Abstract
Very humanlike artificial agents can induce feelings of uneasiness in human perceivers. Stimuli that generate this response are said to occupy "the uncanny valley". Given inconsistent findings in the literature, whether or not nonhuman animals experience the uncanny valley is unclear. Here, we recorded the visual attention of eleven male rhesus monkeys as they viewed faces varying in realness across five levels, with visual attention measured by both number and duration of visual fixations on faces as a whole and on areas of interest within the faces (e.g., eyes, mouth). Face stimuli varied in terms of the realism of the image and behavior depicted by the face (lipsmack, threat, bared teeth, and neutral). We largely found no support that rhesus monkeys perceive an uncanny valley when viewing our stimuli; however, monkeys did generally pay more attention to eyes and less attention to mouths in real images compared to less realistic images. Across all stimuli, monkeys' visual attention was drawn to the mouths of images when teeth were visible. These findings suggest that rhesus monkeys in our study did not display an uncanny valley effect when viewing realistic stimuli but did percieve affective information depicted by faces regardless of how real those faces appear.
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13
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Abstract
SignificanceThe capacity to sense interoceptive signals is thought to be fundamental to broad functions including, but not limited to, homeostasis and the experience of the self. While neuroanatomical evidence suggests that nonhuman animals-namely, nonhuman primates-may possess features necessary for interoceptive processing in a way that is similar to humans, behavioral evidence of this capacity is slim. We presented macaques with audiovisual stimuli that were either synchronous or asynchronous with their heartbeat and demonstrated that they view asynchronous stimuli, whether faster or slower, for a significantly longer period than they do synchronous stimuli.
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14
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Charbonneau JA, Amaral DG, Bliss-Moreau E. Social housing status impacts rhesus monkeys' affective responding in classic threat processing tasks. Sci Rep 2022; 12:4140. [PMID: 35264698 PMCID: PMC8907189 DOI: 10.1038/s41598-022-08077-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Accepted: 02/28/2022] [Indexed: 12/02/2022] Open
Abstract
Individuals’ social contexts are broadly recognized to impact both their psychology and neurobiology. These effects are observed in people and in nonhuman animals who are the subjects for comparative and translational science. The social contexts in which monkeys are reared have long been recognized to have significant impacts on affective processing. Yet, the social contexts in which monkeys live as adults are often ignored and could have important consequences for interpreting findings, particularly those related to biopsychiatry and behavioral neuroscience studies. The extant nonhuman primate neuropsychological literature has historically tested individually-housed monkeys, creating a critical need to understand how social context might impact the outcomes of such experiments. We evaluated affective responding in adult rhesus monkeys living in four different social contexts using two classic threat processing tasks—a test of responsivity to objects and a test of responsivity to an unfamiliar human. These tasks have been commonly used in behavioral neuroscience for decades. Relative to monkeys with full access to a social partner, individually-housed monkeys had blunted reactivity to threat and monkeys who had limited contact with their partner were more reactive to some threatening stimuli. These results indicate that monkeys’ social housing contexts impact affective reactivity and point to the potential need to reconsider inferences drawn from prior studies in which the impacts of social context have not been considered.
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Affiliation(s)
- Joey A Charbonneau
- Neuroscience Graduate Program, University of California Davis, Davis, USA.,California National Primate Research Center, University of California Davis, Davis, USA
| | - David G Amaral
- California National Primate Research Center, University of California Davis, Davis, USA.,The MIND Institute, University of California Davis School of Medicine, Davis, USA.,Department of Psychiatry and Behavioral Sciences, University of California Davis School of Medicine, Davis, USA
| | - Eliza Bliss-Moreau
- California National Primate Research Center, University of California Davis, Davis, USA. .,Department of Psychology, University of California Davis, Davis, USA.
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