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Minton DM, Ailiani AR, Focht MDK, Kersh ME, Marolf AJ, Santangelo KS, Salmon AB, Konopka AR. The common marmoset as a translational model of age-related osteoarthritis. GeroScience 2024; 46:2827-2847. [PMID: 38466454 PMCID: PMC11009185 DOI: 10.1007/s11357-024-01103-5] [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: 12/13/2023] [Accepted: 02/15/2024] [Indexed: 03/13/2024] Open
Abstract
Age-related osteoarthritis (OA) is a degenerative joint disease characterized by pathological changes in nearly every intra- and peri-articular tissue that contributes to disability in older adults. Studying the etiology of age-related OA in humans is difficult due to an unpredictable onset and insidious nature. A barrier in developing OA modifying therapies is the lack of translational models that replicate human joint anatomy and age-related OA progression. The purpose of this study was to determine whether the common marmoset is a faithful model of human age-related knee OA. Semi-quantitative microCT scoring revealed greater radiographic OA in geriatric versus adult marmosets, and the age-related increase in OA prevalence was similar between marmosets and humans. Quantitative assessments indicate greater medial tibial cortical and trabecular bone thickness and heterogeneity in geriatric versus adult marmosets which is consistent with an age-related increase in focal subchondral bone sclerosis. Additionally, marmosets displayed an age-associated increase in synovitis and calcification of the meniscus and patella. Histological OA pathology in the medial tibial plateau was greater in geriatric versus adult marmosets driven by articular cartilage damage, proteoglycan loss, and altered chondrocyte cellularity. The age-associated increase in medial tibial cartilage OA pathology and meniscal calcification was greater in female versus male geriatric marmosets. Overall, marmosets largely replicate human OA as evident by similar 1) cartilage and skeletal morphology, 2) age-related progression in OA pathology, and 3) sex differences in OA pathology with increasing age. Collectively, these data suggest that the common marmoset is a highly translatable model of the naturally occurring, age-related OA seen in humans.
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Affiliation(s)
- Dennis M Minton
- Division of Geriatrics and Gerontology, Department of Medicine, University of Wisconsin-Madison, Madison, WI, USA
- Geriatric Research Education and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI, USA
| | - Aditya R Ailiani
- Division of Geriatrics and Gerontology, Department of Medicine, University of Wisconsin-Madison, Madison, WI, USA
- Geriatric Research Education and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI, USA
| | - Michael D K Focht
- Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, Champaign, IL, USA
| | - Mariana E Kersh
- Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, Champaign, IL, USA
- Beckman Institute for Advanced Science and Technology, University of Illinois Urbana-Champaign, Champaign, IL, USA
| | - Angela J Marolf
- Department of Veterinary Clinical Sciences, Ohio State University, Columbus, OH, USA
| | - Kelly S Santangelo
- Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, USA
| | - Adam B Salmon
- Barshop Institute for Longevity and Aging Studies, San Antonio, TX, USA
- Department of Molecular Medicine, University of Texas Health San Antonio, San Antonio, TX, USA
- Geriatric Research, Education, and Clinical Center, South Texas Veterans Healthcare System, San Antonio, TX, USA
| | - Adam R Konopka
- Division of Geriatrics and Gerontology, Department of Medicine, University of Wisconsin-Madison, Madison, WI, USA.
- Geriatric Research Education and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI, USA.
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2
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You Y, Bai C, Wang W, Zhan T, Hu X, Hao F, Xia M, Liu Y, Ma T, Liu Y, Zheng C, Pu T, Zhang Y, Lu Y, Ding N, Li J, Yin Y, Chen Y, Wang L, Zhou J, Niu L, Xiu Y, Lu Y, Jia T, Liu X, Zhang C. Comparative proteomics in captive giant pandas to identify proteins involved in age-related cataract formation. Sci Rep 2023; 13:12722. [PMID: 37543644 PMCID: PMC10404263 DOI: 10.1038/s41598-023-40003-0] [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: 02/28/2023] [Accepted: 08/03/2023] [Indexed: 08/07/2023] Open
Abstract
Approximately 20% of aged captive giant pandas (Ailuropoda melanoleuca) have cataracts that impair their quality of life. To identify potential biomarkers of cataract formation, we carried out a quantitative proteomics analysis of 10 giant pandas to find proteins differing in abundance between healthy and cataract-bearing animals. We identified almost 150 proteins exceeding our threshold for differential abundance, most of which were associated with GO categories related to extracellular localization. The most significant differential abundance was associated with components of the proteasome and other proteins with a role in proteolysis or its regulation, most of which were depleted in pandas with cataracts. Other modulated proteins included components of the extracellular matrix or cytoskeleton, as well as associated signaling proteins and regulators, but we did not find any differentially expressed transcription factors. These results indicate that the formation of cataracts involves a complex post-transcriptional network of signaling inside and outside lens cells to drive stress responses as a means to address the accumulation of protein aggregates triggered by oxidative damage. The modulated proteins also indicate that it should be possible to predict the onset of cataracts in captive pandas by taking blood samples and testing them for the presence or absence of specific protein markers.
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Affiliation(s)
- Yuyan You
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China.
| | - Chao Bai
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | - Wei Wang
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | - Tongtong Zhan
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | - Xin Hu
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | | | | | - Yan Liu
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | - Tao Ma
- Beijing Zoo, Beijing, China
| | | | | | | | | | | | | | | | | | - Yucun Chen
- Strait (Fuzhou) Giant Panda Research and Exchange Centers, Fuzhou, China
| | | | | | | | - Yunfang Xiu
- Strait (Fuzhou) Giant Panda Research and Exchange Centers, Fuzhou, China
| | - Yan Lu
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China.
| | | | | | - Chenglin Zhang
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China.
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Stout MB, Vaughan KL, Isola JVV, Mann SN, Wellman B, Hoffman JM, Porter HL, Freeman WM, Mattison JA. Assessing tolerability and physiological responses to 17α-estradiol administration in male rhesus macaques. GeroScience 2023; 45:2337-2349. [PMID: 36897526 PMCID: PMC10651821 DOI: 10.1007/s11357-023-00767-9] [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: 02/01/2023] [Accepted: 03/02/2023] [Indexed: 03/11/2023] Open
Abstract
17α-estradiol has recently been shown to extend healthspan and lifespan in male mice through multiple mechanisms. These benefits occur in the absence of significant feminization or deleterious effects on reproductive function, which makes 17α-estradiol a candidate for translation into humans. However, human dosing paradigms for the treatment of aging and chronic disease are yet to be established. Therefore, the goals of the current studies were to assess tolerability of 17α-estradiol treatment, in addition to evaluating metabolic and endocrine responses in male rhesus macaque monkeys during a relatively short treatment period. We found that our dosing regimens (0.30 and 0.20 mg/kg/day) were tolerable as evidenced by a lack of GI distress, changes in blood chemistry or complete blood counts, and unaffected vital signs. We also found that the higher dose did elicit mild benefits on metabolic parameters including body mass, adiposity, and glycosylated hemoglobin. However, both of our 17α-estradiol trial doses elicited significant feminization to include testicular atrophy, increased circulating estrogens, and suppressed circulating androgens and gonadotropins. We suspect that the observed level of feminization results from a saturation of the endogenous conjugation enzymes, thereby promoting a greater concentration of unconjugated 17α-estradiol in serum, which has more biological activity. We also surmise that the elevated level of unconjugated 17α-estradiol was subjected to a greater degree of isomerization to 17β-estradiol, which is aligned with the sevenfold increase in serum 17β-estradiol in 17α-estradiol treated animals in our first trial. Future studies in monkeys, and certainly humans, would likely benefit from the development and implementation of 17α-estradiol transdermal patches, which are commonly prescribed in humans and would circumvent potential issues with bolus dosing effects.
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Affiliation(s)
- Michael B Stout
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, US.
- Oklahoma City Veterans Affairs Medical Center, Oklahoma City, OK, US.
- Oklahoma Medical Research Foundation, 825 NE 13Th Street Chapman S212, 73104, Oklahoma City, OK, US.
| | - Kelli L Vaughan
- Laboratory of Experimental Gerontology, National Institute On Aging, Dickerson, MD, US
| | - Jose V V Isola
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, US
| | - Shivani N Mann
- Department of Neuroscience, University of Arizona, Tucson, AZ, US
| | - Bayli Wellman
- Laboratory of Experimental Gerontology, National Institute On Aging, Dickerson, MD, US
| | - Jessica M Hoffman
- Department of Biological Sciences, Augusta University, Augusta, GA, US
| | - Hunter L Porter
- Genes & Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, US
| | - Willard M Freeman
- Oklahoma City Veterans Affairs Medical Center, Oklahoma City, OK, US
- Genes & Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, US
| | - Julie A Mattison
- Laboratory of Experimental Gerontology, National Institute On Aging, Dickerson, MD, US.
- National Institute On Aging, 16701 Elmer School Road, Building 103, 20842, Dickerson, MD, US.
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4
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Plesker R, Köhler K. Multiple adenomas of the thyroid gland in an African green monkey ( Chlorocebus aethiops). Primate Biol 2023; 10:1-6. [PMID: 39149141 PMCID: PMC11322656 DOI: 10.5194/pb-10-1-2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 04/17/2023] [Indexed: 08/17/2024] Open
Abstract
Two cystadenomas and one solid adenoma of the thyroid gland in a 27-year-old female African green monkey (Chlorocebus aethiops) are described here. Histologically, the solid adenoma was classified as a well-defined solid follicular adenoma of microfollicular type. The solid adenoma was positive for thyroglobulin in immunohistochemistry staining, whereas the cystadenomas stained positive for both thyroglobulin and calcitonin. No evidence of excess hormone production related to the tumor presence was detected.
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Affiliation(s)
- Roland Plesker
- Zentrale Tierhaltung, Paul-Ehrlich-Institut, Langen, Germany
| | - Kernt Köhler
- Institut für Veterinär-Pathologie, Justus-Liebig-Universität, Gießen, Germany
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Zhu M, Liao G, Liu X, Luo X, Chen G, Wang L, Wang C, Liu W, Zeng X, Lu Y, Yang G, Cheng J, Chen Y. The pathological characters of islets aging in old rhesus monkeys. Gene 2023; 861:147251. [PMID: 36736506 DOI: 10.1016/j.gene.2023.147251] [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: 09/12/2022] [Revised: 01/12/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023]
Abstract
The loss of β cell mass and function in aged population plays a critical role in the prevalence of Type 2 diabetes. However, the causal relations between aging and age-related pancreatic islets degeneration still have not been fully elucidated. Rhesus monkey is one of the most ideal nonhuman primate animal models of a wide range of human diseases, including diabetes and aging-related diseases. In the present study, we observed the overall physiological function, glycolipid metabolism and islet function of middle-age and elderly rhesus monkeys, and compared their gene expression profiles by transcriptome sequencing of isolated islets. Through these analyses, we are aimed to evaluate the pathological characters of islets of old rhesus monkeys in the process of aging, and to provide some tips for the prevention and treatment of diabetes in the elderly population. The results suggested that there was no significant physiological disorder in monkeys of approximately 20 years old, except the glucose metabolism was mildly disturbed. In pancreas tissues and isolated islets of elderly monkeys, we found that the islets sizes were distinctly decreased, and the insulin secretion was compromised. Notably, the islets fibrosis and proportion of insulin/glucagon co-expressing cells increased significantly. Moreover, the β cell identity markers, transcription factors PDX1 and Nkx6.1 were losing with advancing age. Analysis of the RNA sequencing of isolated islets showed the genes related to type 1 diabetes and β cell function changed markedly. In conclusion, we found that in the elderly monkeys around 20 years old, the decreased islets size and compromised insulin secretion may contribute to the disturbed glucose metabolism, and the loss of β cell identity markers is a typical molecular change of islet senescence.
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Affiliation(s)
- Min Zhu
- Key Laboratory of Transplant Engineering and Immunology, NHFPC; Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Guangneng Liao
- Animal experimental center of West China hospital, Sichuan University, Chengdu, PR China
| | - Xiaohong Liu
- Key Laboratory of Transplant Engineering and Immunology, NHFPC; Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Xu Luo
- Sichuan Hengshu Bio-Technology Co., Ltd., Yibing, PR China
| | - Gen Chen
- Sichuan Hengshu Bio-Technology Co., Ltd., Yibing, PR China
| | - Lingyun Wang
- Sichuan Hengshu Bio-Technology Co., Ltd., Yibing, PR China
| | - Chengshi Wang
- Center for Diabetes and Metabolism Research, Division of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, PR China
| | - Wen Liu
- Key Laboratory of Transplant Engineering and Immunology, NHFPC; Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Xin Zeng
- Key Laboratory of Transplant Engineering and Immunology, NHFPC; Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Yanrong Lu
- Key Laboratory of Transplant Engineering and Immunology, NHFPC; Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Guang Yang
- Animal experimental center of West China hospital, Sichuan University, Chengdu, PR China
| | - Jingqiu Cheng
- Key Laboratory of Transplant Engineering and Immunology, NHFPC; Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Younan Chen
- Key Laboratory of Transplant Engineering and Immunology, NHFPC; Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, PR China; Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, PR China.
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6
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Carrageta DF, Guerra-Carvalho B, Spadella MA, Yeste M, Oliveira PF, Alves MG. Animal models of male reproductive ageing to study testosterone production and spermatogenesis. Rev Endocr Metab Disord 2022; 23:1341-1360. [PMID: 35604584 DOI: 10.1007/s11154-022-09726-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/15/2022] [Indexed: 01/11/2023]
Abstract
Ageing is the time-dependent gradual decline of the functional characteristics in an organism. It has been shown that it results in the loss of reproductive health and fertility. The age-dependent decline of fertility is a potential issue as the parenthood age is increasing in Western countries, mostly due to socioeconomic factors. In comparison to women, for whom the consequences of ageing are well documented and general awareness of the population is extensively raised, the effects of ageing for male fertility and the consequences of advanced paternal age for the offspring have not been widely studied. Studies with humans are welcome but it is hard to implement relevant experimental approaches to unveil the molecular mechanisms by which ageing affects male reproductive potential. Animal models have thus been extensively used. These models are advantageous due to their reduced costs, general easy maintenance in laboratory facilities, rigorous manipulation tools, short lifespan, known genetic backgrounds, and reduced ethical constraints. Herein, we discuss animal models for the study of male reproductive ageing. The most well-known and studied reproductive ageing models are rodents and non-human primates. The data collected from these models, particularly studies on testicular ageing, steroidogenesis, and genetic and epigenetic changes in spermatogenesis are detailed. Notably, some species challenge the currently accepted ageing theories and the concept of senescence itself, which renders them interesting animal models for the study of male reproductive ageing.
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Affiliation(s)
- David F Carrageta
- Clinical and Experimental Endocrinology, UMIB - Unit for Multidisciplinary Research in Biomedicine, ICBAS - School of Medicine and Biomedical Sciences, University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), University of Porto, Porto, Portugal
| | - Bárbara Guerra-Carvalho
- Clinical and Experimental Endocrinology, UMIB - Unit for Multidisciplinary Research in Biomedicine, ICBAS - School of Medicine and Biomedical Sciences, University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), University of Porto, Porto, Portugal
- Department of Chemistry, QOPNA & LAQV, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
- Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | | | - Marc Yeste
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, ES-17003, Girona, Spain
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, ES-17003, Girona, Spain
| | - Pedro F Oliveira
- Department of Chemistry, QOPNA & LAQV, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Marco G Alves
- Clinical and Experimental Endocrinology, UMIB - Unit for Multidisciplinary Research in Biomedicine, ICBAS - School of Medicine and Biomedical Sciences, University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal.
- Laboratory for Integrative and Translational Research in Population Health (ITR), University of Porto, Porto, Portugal.
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, ES-17003, Girona, Spain.
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, ES-17003, Girona, Spain.
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Chen M, Qi J, Poo M, Yang Y. Stability and dynamics of dendritic spines in macaque prefrontal cortex. Natl Sci Rev 2022; 9:nwac125. [PMID: 36196248 PMCID: PMC9521340 DOI: 10.1093/nsr/nwac125] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 06/08/2022] [Accepted: 06/15/2022] [Indexed: 11/16/2022] Open
Abstract
Formation and elimination of synapses reflect structural plasticity of neuronal connectivity. Here we performed high-resolution two-photon imaging of dendritic spines in the prefrontal cortex of four macaque monkeys and found that spines were in general highly stable, with low percentages undergoing synaptic turnover. By observing the same spines at weekly intervals, we found that newly formed spines were more susceptible to elimination, with only 40% persisting over a period of months. Analyses of spatial distribution of large numbers of spines revealed that spine distribution was neither uniform nor random, favoring inter-spine distances of 2–4 μm. Furthermore, spine formation and elimination occurred more often in low- and high-density dendritic segments, respectively, and preferentially within a hot zone of ∼4 μm from existing spines. Our results demonstrate long-term stability and spatially regulated spine dynamics in the macaque cortex and provide a structural basis for understanding neural circuit plasticity in the primate brain.
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Sadoughi B, Schneider D, Daniel R, Schülke O, Ostner J. Aging gut microbiota of wild macaques are equally diverse, less stable, but progressively personalized. MICROBIOME 2022; 10:95. [PMID: 35718778 PMCID: PMC9206754 DOI: 10.1186/s40168-022-01283-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 04/21/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Pronounced heterogeneity of age trajectories has been identified as a hallmark of the gut microbiota in humans and has been explained by marked changes in lifestyle and health condition. Comparatively, age-related personalization of microbiota is understudied in natural systems limiting our comprehension of patterns observed in humans from ecological and evolutionary perspectives. RESULTS Here, we tested age-related changes in the diversity, stability, and composition of the gut bacterial community using 16S rRNA gene sequencing with dense repeated sampling over three seasons in a cross-sectional age sample of adult female Assamese macaques (Macaca assamensis) living in their natural forest habitat. Gut bacterial composition exhibited a personal signature which became less stable as individuals aged. This lack of stability was not explained by differences in microbiota diversity but rather linked to an increase in the relative abundance of rare bacterial taxa. The lack of age-related changes in core taxa or convergence with age to a common state of the community hampered predicting gut bacterial composition of aged individuals. On the contrary, we found increasing personalization of the gut bacterial composition with age, indicating that composition in older individuals was increasingly divergent from the rest of the population. Reduced direct transmission of bacteria resulting from decreasing social activity may contribute to, but not be sufficient to explain, increasing personalization with age. CONCLUSIONS Together, our results challenge the assumption of a constant microbiota through adult life in a wild primate. Within the limits of this study, the fact that increasing personalization of the aging microbiota is not restricted to humans suggests the underlying process to be evolved instead of provoked only by modern lifestyle of and health care for the elderly. Video abstract.
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Affiliation(s)
- Baptiste Sadoughi
- Department of Behavioral Ecology, Johann-Friedrich-Blumenbach Institute for Zoology and Anthropology, Georg-August-University Göttingen, Kellnerweg 6, D-37077, Göttingen, Germany.
- Research Group Primate Social Evolution, German Primate Center, Leibniz Institute for Primate Research, Göttingen, Germany.
- Genomic and Applied Microbiology and Göttingen Genomics Laboratory, Institute of Microbiology and Genetics, Georg-August-University Göttingen, Göttingen, Germany.
- Leibniz ScienceCampus Primate Cognition, German Primate Center, Leibniz Institute for Primate Research, Göttingen, Germany.
| | - Dominik Schneider
- Genomic and Applied Microbiology and Göttingen Genomics Laboratory, Institute of Microbiology and Genetics, Georg-August-University Göttingen, Göttingen, Germany
| | - Rolf Daniel
- Genomic and Applied Microbiology and Göttingen Genomics Laboratory, Institute of Microbiology and Genetics, Georg-August-University Göttingen, Göttingen, Germany
| | - Oliver Schülke
- Department of Behavioral Ecology, Johann-Friedrich-Blumenbach Institute for Zoology and Anthropology, Georg-August-University Göttingen, Kellnerweg 6, D-37077, Göttingen, Germany
- Research Group Primate Social Evolution, German Primate Center, Leibniz Institute for Primate Research, Göttingen, Germany
- Leibniz ScienceCampus Primate Cognition, German Primate Center, Leibniz Institute for Primate Research, Göttingen, Germany
| | - Julia Ostner
- Department of Behavioral Ecology, Johann-Friedrich-Blumenbach Institute for Zoology and Anthropology, Georg-August-University Göttingen, Kellnerweg 6, D-37077, Göttingen, Germany
- Research Group Primate Social Evolution, German Primate Center, Leibniz Institute for Primate Research, Göttingen, Germany
- Leibniz ScienceCampus Primate Cognition, German Primate Center, Leibniz Institute for Primate Research, Göttingen, Germany
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9
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Wood EK, Sullivan EL. The Influence of Diet on Metabolism and Health Across the Lifespan in Nonhuman Primates. CURRENT OPINION IN ENDOCRINE AND METABOLIC RESEARCH 2022; 24. [PMID: 35425871 DOI: 10.1016/j.coemr.2022.100336] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The macro and micronutrient composition and the overall quantity of the diet are important predictors of physical and psychological health and, as a consequence, behavior. Translational preclinical models are critical to identifying the mechanisms underlying these relationships. Nonhuman primate models are particularly instrumental to this line of research as they exhibit considerable genetic, social, and physiological similarities, as well as similarities in their developmental trajectories to humans. This review aims to discuss recent contributions to the field of diet and metabolism and health using nonhuman primate models. The influence of diet composition on health and physiology across the lifespan will be the primary focus, including recent work examining the impact of maternal diet programming of offspring physiologic and behavioral developmental outcomes.
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Affiliation(s)
- Elizabeth K Wood
- Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239
| | - Elinor L Sullivan
- Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239
- Oregon National Primate Research Center, 505 NW 185 Avenue, Beaverton, OR 97006
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10
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Functional, transcriptional, and microbial shifts associated with healthy pulmonary aging in rhesus macaques. Cell Rep 2022; 39:110725. [PMID: 35443183 PMCID: PMC9096119 DOI: 10.1016/j.celrep.2022.110725] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 02/09/2022] [Accepted: 03/30/2022] [Indexed: 01/04/2023] Open
Abstract
Older individuals are at increased risk of developing severe respiratory infections. However, our understanding of the impact of aging on the respiratory tract remains limited as samples from healthy humans are challenging to obtain and results can be confounded by variables such as smoking and diet. Here, we carry out a comprehensive cross-sectional study (n = 34 adult, n = 49 aged) to define the consequences of aging on the lung using the rhesus macaque model. Pulmonary function testing establishes similar age and sex differences as humans. Additionally, we report increased abundance of alveolar and infiltrating macrophages and a concomitant decrease in T cells were in aged animals. scRNAseq reveals shifts from GRZMB to IFN expressing CD8+ T cells in the lungs. These data provide insight into age-related changes in the lungs’ functional, microbial, and immunological landscape that explain increased prevalence and severity of respiratory diseases in the elderly. Rhoades et al. describe age-associated functional, microbial, and immunological changes in the lung using the rhesus macaque model. These data will support further studies aimed at designing and testing interventions to mitigate the impact of age-associated shifts in the lung environment to reduce age-related pulmonary disease in the elderly.
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11
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Mckean NE, Handley RR, Snell RG. A Review of the Current Mammalian Models of Alzheimer's Disease and Challenges That Need to Be Overcome. Int J Mol Sci 2021; 22:13168. [PMID: 34884970 PMCID: PMC8658123 DOI: 10.3390/ijms222313168] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 11/30/2021] [Accepted: 12/02/2021] [Indexed: 01/04/2023] Open
Abstract
Alzheimer's disease (AD) is one of the looming health crises of the near future. Increasing lifespans and better medical treatment for other conditions mean that the prevalence of this disease is expected to triple by 2050. The impact of AD includes both the large toll on individuals and their families as well as a large financial cost to society. So far, we have no way to prevent, slow, or cure the disease. Current medications can only alleviate some of the symptoms temporarily. Many animal models of AD have been created, with the first transgenic mouse model in 1995. Mouse models have been beset by challenges, and no mouse model fully captures the symptomatology of AD without multiple genetic mutations and/or transgenes, some of which have never been implicated in human AD. Over 25 years later, many mouse models have been given an AD-like disease and then 'cured' in the lab, only for the treatments to fail in clinical trials. This review argues that small animal models are insufficient for modelling complex disorders such as AD. In order to find effective treatments for AD, we need to create large animal models with brains and lifespan that are closer to humans, and underlying genetics that already predispose them to AD-like phenotypes.
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Affiliation(s)
- Natasha Elizabeth Mckean
- Applied Translational Genetics Group, School of Biological Sciences, University of Auckland, 3a Symonds Street, Auckland 1010, New Zealand; (N.E.M.); (R.R.H.)
- Centre for Brain Research, Faculty of Medical and Health Sciences, University of Auckland, Auckland 1010, New Zealand
| | - Renee Robyn Handley
- Applied Translational Genetics Group, School of Biological Sciences, University of Auckland, 3a Symonds Street, Auckland 1010, New Zealand; (N.E.M.); (R.R.H.)
- Centre for Brain Research, Faculty of Medical and Health Sciences, University of Auckland, Auckland 1010, New Zealand
| | - Russell Grant Snell
- Applied Translational Genetics Group, School of Biological Sciences, University of Auckland, 3a Symonds Street, Auckland 1010, New Zealand; (N.E.M.); (R.R.H.)
- Centre for Brain Research, Faculty of Medical and Health Sciences, University of Auckland, Auckland 1010, New Zealand
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12
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You Y, Bai C, Liu X, Lu Y, Jia T, Xia M, Yin Y, Wang W, Chen Y, Zhang C, Liu Y, Wang L, Pu T, Ma T, Liu Y, Zhou J, Niu L, Xu S, Ni Y, Hu X, Zhang Z. RNA-Seq analysis in giant pandas reveals the differential expression of multiple genes involved in cataract formation. BMC Genom Data 2021; 22:44. [PMID: 34706646 PMCID: PMC8555103 DOI: 10.1186/s12863-021-00996-x] [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: 04/28/2021] [Accepted: 09/09/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The giant panda (Ailuropoda melanoleuca) is an endangered mammalian species native to China. Fewer than 2500 giant pandas are known to exist, many of which are bred in captivity as a means to preserve and repopulate the species. Like other captive mammals, giant pandas acquire age-related cataracts, reducing their quality of life. Recent comparative genome-wide methylation analysis revealed 110 differentially methylated genes associated with cataract formation including six also associated with the formation of age-related cataracts in humans. RESULTS To investigate the pathological pathway in greater detail, here we used RNA-Seq analysis to investigate the differential expression profiles of genes in three giant pandas with cataracts and three healthy controls. We identified more than 700 differentially expressed genes, 29 of which were selected for further analysis based on their low q-value. We found that many of the genes encoded regulatory and signaling proteins associated with the control of cell growth, migration, differentiation and apoptosis, supporting previous research indicating a key role for apoptosis in cataract formation. CONCLUSION The identification of genes involved in the formation of age-related cataracts could facilitate the development of predictive markers, preventative measures and even new therapies to improve the life of captive animals.
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Affiliation(s)
- Yuyan You
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China.
| | - Chao Bai
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | | | - Yan Lu
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | | | | | | | - Wei Wang
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | - Yucun Chen
- Strait (Fuzhou) Giant Panda Research and Exchange Centers, Fuzhou, China
| | - Chenglin Zhang
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | - Yan Liu
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | | | | | - Tao Ma
- Beijing Zoo, Beijing, China
| | | | | | | | - Suhui Xu
- Strait (Fuzhou) Giant Panda Research and Exchange Centers, Fuzhou, China
| | | | - Xin Hu
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
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13
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Colman K, Andrews RN, Atkins H, Boulineau T, Bradley A, Braendli-Baiocco A, Capobianco R, Caudell D, Cline M, Doi T, Ernst R, van Esch E, Everitt J, Fant P, Gruebbel MM, Mecklenburg L, Miller AD, Nikula KJ, Satake S, Schwartz J, Sharma A, Shimoi A, Sobry C, Taylor I, Vemireddi V, Vidal J, Wood C, Vahle JL. International Harmonization of Nomenclature and Diagnostic Criteria (INHAND): Non-proliferative and Proliferative Lesions of the Non-human Primate ( M. fascicularis). J Toxicol Pathol 2021; 34:1S-182S. [PMID: 34712008 PMCID: PMC8544165 DOI: 10.1293/tox.34.1s] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The INHAND (International Harmonization of Nomenclature and Diagnostic Criteria for Lesions Project (www.toxpath.org/inhand.asp) is a joint initiative of the Societies of Toxicologic Pathology from Europe (ESTP), Great Britain (BSTP), Japan (JSTP) and North America (STP) to develop an internationally accepted nomenclature for proliferative and nonproliferative lesions in laboratory animals. The purpose of this publication is to provide a standardized nomenclature for classifying microscopic lesions observed in most tissues and organs from the nonhuman primate used in nonclinical safety studies. Some of the lesions are illustrated by color photomicrographs. The standardized nomenclature presented in this document is also available electronically on the internet (http://www.goreni.org/). Sources of material included histopathology databases from government, academia, and industrial laboratories throughout the world. Content includes spontaneous lesions as well as lesions induced by exposure to test materials. Relevant infectious and parasitic lesions are included as well. A widely accepted and utilized international harmonization of nomenclature for lesions in laboratory animals will provide a common language among regulatory and scientific research organizations in different countries and increase and enrich international exchanges of information among toxicologists and pathologists.
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Affiliation(s)
- Karyn Colman
- Novartis Institutes for BioMedical Research, Cambridge, MA,
USA
| | - Rachel N. Andrews
- Wake Forest School of Medicine, Department of Radiation
Oncology, Winston-Salem, NC, USA
| | - Hannah Atkins
- Penn State College of Medicine, Department of Comparative
Medicine, Hershey, PA, USA
| | | | - Alys Bradley
- Charles River Laboratories Edinburgh Ltd., Tranent,
Scotland, UK
| | - Annamaria Braendli-Baiocco
- Roche Pharma Research and Early Development, Pharmaceutical
Sciences, Roche Innovation Center Basel, Switzerland
| | - Raffaella Capobianco
- Janssen Research & Development, a Division of Janssen
Pharmaceutica NV, Beerse, Belgium
| | - David Caudell
- Department of Pathology, Section on Comparative Medicine,
Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Mark Cline
- Department of Pathology, Section on Comparative Medicine,
Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Takuya Doi
- LSIM Safety Institute Corporation, Ibaraki, Japan
| | | | | | - Jeffrey Everitt
- Department of Pathology, Duke University School of
Medicine, Durham, NC, USA
| | | | | | | | - Andew D. Miller
- Cornell University College of Veterinary Medicine, Ithaca,
NY, USA
| | | | - Shigeru Satake
- Shin Nippon Biomedical Laboratories, Ltd., Kagoshima and
Tokyo, Japan
| | | | - Alok Sharma
- Covance Laboratories, Inc., Madison, WI, USA
| | | | | | | | | | | | - Charles Wood
- Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT,
USA
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14
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Lee JR, Choe SH, Kim YH, Cho HM, Park HR, Lee HE, Jin YB, Kim JS, Jeong KJ, Park SJ, Huh JW. Longitudinal profiling of the blood transcriptome in an African green monkey aging model. Aging (Albany NY) 2020; 13:846-864. [PMID: 33290253 PMCID: PMC7834999 DOI: 10.18632/aging.202190] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 10/22/2020] [Indexed: 12/14/2022]
Abstract
African green monkeys (AGMs, Chlorocebus aethiops) are Old World monkeys which are used as experimental models in biomedical research. Recent technological advances in next generation sequencing are useful for unraveling the genetic mechanisms underlying senescence, aging, and age-related disease. To elucidate the normal aging mechanisms in older age, the blood transcriptomes of nine healthy, aged AGMs (15‒23 years old), were analyzed over two years. We identified 910‒1399 accumulated differentially expressed genes (DEGs) in each individual, which increased with age. Aging-related DEGs were sorted across the three time points. A major proportion of the aging-related DEGs belonged to gene ontology (GO) categories involved in translation and rRNA metabolic processes. Next, we sorted common aging-related DEGs across three time points over two years. Common aging-related DEGs belonged to GO categories involved in translation, cellular component biogenesis, rRNA metabolic processes, cellular component organization, biogenesis, and RNA metabolic processes. Furthermore, we identified 29 candidate aging genes that were upregulated across the time series analysis. These candidate aging genes were linked to protein synthesis. This study describes a changing gene expression pattern in AGMs during aging using longitudinal transcriptome sequencing. The candidate aging genes identified here may be potential targets for the treatment of aging.
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Affiliation(s)
- Ja-Rang Lee
- Primate Resource Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup 56216, Republic of Korea
| | - Se-Hee Choe
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju 28116, Republic of Korea.,Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon 34113, Republic of Korea
| | - Young-Hyun Kim
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju 28116, Republic of Korea
| | - Hyeon-Mu Cho
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju 28116, Republic of Korea.,Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon 34113, Republic of Korea
| | - Hye-Ri Park
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju 28116, Republic of Korea.,Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon 34113, Republic of Korea
| | - Hee-Eun Lee
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju 28116, Republic of Korea
| | - Yeung Bae Jin
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju 28116, Republic of Korea
| | - Ji-Su Kim
- Primate Resource Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup 56216, Republic of Korea
| | - Kang Jin Jeong
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju 28116, Republic of Korea
| | - Sang-Je Park
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju 28116, Republic of Korea
| | - Jae-Won Huh
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju 28116, Republic of Korea.,Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon 34113, Republic of Korea
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15
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Chiou KL, Montague MJ, Goldman EA, Watowich MM, Sams SN, Song J, Horvath JE, Sterner KN, Ruiz-Lambides AV, Martínez MI, Higham JP, Brent LJN, Platt ML, Snyder-Mackler N. Rhesus macaques as a tractable physiological model of human ageing. Philos Trans R Soc Lond B Biol Sci 2020; 375:20190612. [PMID: 32951555 DOI: 10.1098/rstb.2019.0612] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Research in the basic biology of ageing is increasingly identifying mechanisms and modifiers of ageing in short-lived organisms such as worms and mice. The ultimate goal of such work is to improve human health, particularly in the growing segment of the population surviving into old age. Thus far, few interventions have robustly transcended species boundaries in the laboratory, suggesting that changes in approach are needed to avoid costly failures in translational human research. In this review, we discuss both well-established and alternative model organisms for ageing research and outline how research in nonhuman primates is sorely needed, first, to translate findings from short-lived organisms to humans, and second, to understand key aspects of ageing that are unique to primate biology. We focus on rhesus macaques as a particularly promising model organism for ageing research owing to their social and physiological similarity to humans as well as the existence of key resources that have been developed for this species. As a case study, we compare gene regulatory signatures of ageing in the peripheral immune system between humans and rhesus macaques from a free-ranging study population in Cayo Santiago. We show that both mRNA expression and DNA methylation signatures of immune ageing are broadly shared between macaques and humans, indicating strong conservation of the trajectory of ageing in the immune system. We conclude with a review of key issues in the biology of ageing for which macaques and other nonhuman primates may uniquely contribute valuable insights, including the effects of social gradients on health and ageing. We anticipate that continuing research in rhesus macaques and other nonhuman primates will play a critical role in conjunction with the model organism and human biodemographic research in ultimately improving translational outcomes and extending health and longevity in our ageing population. This article is part of the theme issue 'Evolution of the primate ageing process'.
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Affiliation(s)
- Kenneth L Chiou
- Department of Psychology, University of Washington, Seattle, WA 98195, USA.,Department of Pathology, Nathan Shock Center of Excellence in the Basic Biology of Aging, University of Washington, Seattle, WA 98195, USA.,Center for Evolution and Medicine, Arizona State University, Tempe, AZ 85281, USA
| | - Michael J Montague
- Department of Neuroscience, University of Pennsylvania, Philadelphia, PA 19104, USA
| | | | - Marina M Watowich
- Department of Biology, University of Washington, Seattle, WA 98195, USA
| | - Sierra N Sams
- Department of Psychology, University of Washington, Seattle, WA 98195, USA
| | - Jeff Song
- Department of Biological and Biomedical Sciences, North Carolina Central University, Durham, NC 27707, USA
| | - Julie E Horvath
- Department of Biological and Biomedical Sciences, North Carolina Central University, Durham, NC 27707, USA.,Research and Collections Section, North Carolina Museum of Natural Sciences, Raleigh, NC 27601, USA.,Department of Biological Sciences, North Carolina State University, Raleigh, NC 27695, USA.,Department of Evolutionary Anthropology, Duke University, Durham, NC 27708, USA
| | - Kirstin N Sterner
- Department of Anthropology, University of Oregon, Eugene, OR 97403, USA
| | - Angelina V Ruiz-Lambides
- Caribbean Primate Research Center, Unit of Comparative Medicine, University of Puerto Rico, San Juan, PR 00936, USA
| | - Melween I Martínez
- Caribbean Primate Research Center, Unit of Comparative Medicine, University of Puerto Rico, San Juan, PR 00936, USA
| | - James P Higham
- Department of Anthropology, New York University, New York, NY 10003, 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 EX4 4QG, UK
| | - Michael L Platt
- Department of Neuroscience, University of Pennsylvania, Philadelphia, PA 19104, USA.,Department of Psychology, University of Pennsylvania, Philadelphia, PA 19104, USA.,Department of Marketing, Wharton School of Business, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Noah Snyder-Mackler
- Department of Psychology, University of Washington, Seattle, WA 98195, USA.,Department of Pathology, Nathan Shock Center of Excellence in the Basic Biology of Aging, University of Washington, Seattle, WA 98195, USA.,Department of Biology, University of Washington, Seattle, WA 98195, USA.,Center for Studies in Demography and Ecology, University of Washington, Seattle, WA 98195, USA.,Center for Evolution and Medicine, Arizona State University, Tempe, AZ 85281, USA.,School of Life Sciences, Arizona State University, Tempe, AZ 85281, USA
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16
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You Y, Bai C, Liu X, Xia M, Jia T, Li X, Zhang C, Chen Y, Zhao S, Wang L, Wang W, Yin Y, Xiu Y, Niu L, Zhou J, Ma T, Du Y, Liu Y. Genome-wide analysis of methylation in giant pandas with cataract by methylation-dependent restriction-site associated DNA sequencing (MethylRAD). PLoS One 2019; 14:e0222292. [PMID: 31553743 PMCID: PMC6760787 DOI: 10.1371/journal.pone.0222292] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 08/26/2019] [Indexed: 01/19/2023] Open
Abstract
The giant panda (Ailuropoda melanoleuca) is a native species to China. They are rare and endangered and are regarded as the 'national treasure' and 'living fossil' in China. For the time being, there are only about 2500 giant pandas in the world. Therefore, we still have to do much more efforts to protect the giant pandas. In captive wildlife, the cataract incidence of mammalian always increases with age. Currently, in China, the proportion of elderly giant pandas who suffering from cataract has reached 20%. The eye disorder thus has a strong influence on the physical health and life quality of the elderly giant pandas. To discover the genes associated with the pathogenesis of cataract in the elderly giant panda and achieve the goal of early assessment and diagnosis of cataract in giant pandas during aging, we performed whole genome methylation sequencing in 3 giant pandas with cataract and 3 healthy giant pandas using methylation-dependent restriction-site associated DNA sequencing (MethylRAD). In the present study, we obtained 3.62M reads, on average, for each sample, and identified 116 and 242 differentially methylated genes (DMGs) between the two groups under the context of CCGG and CCWGG on genome, respectively. Further KEGG and GO enrichment analyses determined a total of 110 DMGs that are involved in the biological functions associated with pathogenesis of cataract. Among them, 6 DMGs including EEA1, GARS, SLITRK4, GSTM3, CASP3, and EGLN3 have been linked with cataract in old age.
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Affiliation(s)
- Yuyan You
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
- * E-mail:
| | - Chao Bai
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | - Xuefeng Liu
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | | | - Ting Jia
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | | | - Chenglin Zhang
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | - Yucun Chen
- Strait (Fuzhou) Giant Panda Research and Exchange Centers, Fuzhou, China
| | - Sufen Zhao
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | | | - Wei Wang
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | | | - Yunfang Xiu
- Strait (Fuzhou) Giant Panda Research and Exchange Centers, Fuzhou, China
| | | | | | - Tao Ma
- Beijing Zoo, Beijing, China
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17
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LESIONS OF THE FEMALE REPRODUCTIVE TRACT IN JAPANESE MACAQUE ( MACACA FUSCATA) FROM TWO CAPTIVE COLONIES. J Zoo Wildl Med 2019. [PMID: 29517447 DOI: 10.1638/2016-0171r1.1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Reproductive lesions have been described in various nonhuman primate species, including rhesus macaques ( Macaca mulatta), cynomolgus macaques ( Macaca fascicularis), baboons ( Papio spp.), squirrel monkeys ( Saimiri sciureus), and chimpanzees ( Pan spp.); however, there are few publications describing reproductive disease and pathology in Japanese macaques ( Macaca fuscata). A retrospective evaluation of postmortem reports for two captive M. fuscata populations housed within zoos from 1982 through 2015 was completed, comparing reproductive diseases diagnosed by gross pathology and histopathology. Disease prevalence, organs affected, and median age at death between the two institutions was also compared. Fifteen female captive M. fuscata, ranging in age from 15 to 29 yr were identified with reproductive tract lesions, including endometriosis, endometritis, leiomyoma, leiomyosarcoma, and adenomyosis. No significant differences were identified in disease prevalence, organs affected, and median age of death between the two institutions. Endometriosis was the most common disease process identified and was found in 10 of the 15 cases (66.7%), followed by leiomyoma (4 of 15; 26.7%). In four cases (26.7%), severe endometriosis and secondary hemorrhage was indicated as the cause of death or the primary reason for humane euthanasia. These findings were compared with a separate population of Japanese macaques managed within a research facility in the United States, with a prevalence of endometriosis of 7.6%. This study discusses possible risk factors and potential treatment options for the management of endometriosis in captive M. fuscata.
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18
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Taormina G, Ferrante F, Vieni S, Grassi N, Russo A, Mirisola MG. Longevity: Lesson from Model Organisms. Genes (Basel) 2019; 10:genes10070518. [PMID: 31324014 PMCID: PMC6678192 DOI: 10.3390/genes10070518] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 07/01/2019] [Accepted: 07/02/2019] [Indexed: 12/31/2022] Open
Abstract
Research on longevity and healthy aging promises to increase our lifespan and decrease the burden of degenerative diseases with important social and economic effects. Many aging theories have been proposed, and important aging pathways have been discovered. Model organisms have had a crucial role in this process because of their short lifespan, cheap maintenance, and manipulation possibilities. Yeasts, worms, fruit flies, or mammalian models such as mice, monkeys, and recently, dogs, have helped shed light on aging processes. Genes and molecular mechanisms that were found to be critical in simple eukaryotic cells and species have been confirmed in humans mainly by the functional analysis of mammalian orthologues. Here, we review conserved aging mechanisms discovered in different model systems that are implicated in human longevity as well and that could be the target of anti-aging interventions in human.
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Affiliation(s)
- Giusi Taormina
- Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università di Palermo, Via del Vespro 129, 90100 Palermo, Italy
| | - Federica Ferrante
- Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università di Palermo, Via del Vespro 129, 90100 Palermo, Italy
| | - Salvatore Vieni
- Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università di Palermo, Via del Vespro 129, 90100 Palermo, Italy
| | - Nello Grassi
- Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università di Palermo, Via del Vespro 129, 90100 Palermo, Italy
| | - Antonio Russo
- Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università di Palermo, Via del Vespro 129, 90100 Palermo, Italy
| | - Mario G Mirisola
- Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università di Palermo, Via del Vespro 129, 90100 Palermo, Italy.
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19
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Balasubramanian P, Mattison JA, Anderson RM. Nutrition, metabolism, and targeting aging in nonhuman primates. Ageing Res Rev 2017; 39:29-35. [PMID: 28219777 PMCID: PMC5563491 DOI: 10.1016/j.arr.2017.02.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 12/29/2016] [Accepted: 02/15/2017] [Indexed: 11/23/2022]
Abstract
This short review focuses on the importance of nonhuman primate nutrition and aging studies and makes the case that a targeted expansion of the use of this highly translatable model would be advantageous to the biology of aging field. First, we describe the high degree of similarity of the model in terms of aging phenotypes including incidence and prevalence of common human age-related diseases. Second, we discuss the importance of the nonhuman primate nutrition and aging studies and the extent to which the outcomes of two ongoing long-term studies of caloric restriction are congruent with short-term equivalent studies in humans. Third, we showcase a number of pharmacological agents previously employed in nonhuman primate studies that display some potential as caloric restriction mimetics. Finally, we present nonhuman primates as an important model for translation of mechanisms of delayed aging identified in studies of shorter-lived animals. Proof of efficacy and safety of candidate longevity agents in nonhuman primates would be a cost-effective means to bring these exciting new avenues a step closer to clinical application.
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Affiliation(s)
- Priya Balasubramanian
- Department of Medicine, School of Medicine and Public Health, University of Wisconsin, Madison, WI, USA
| | - Julie A Mattison
- Translational Gerontology Branch, National Institute on Aging, Baltimore, MD, USA
| | - Rozalyn M Anderson
- Department of Medicine, School of Medicine and Public Health, University of Wisconsin, Madison, WI, USA; Geriatic Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI, USA.
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20
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Colman RJ. Non-human primates as a model for aging. Biochim Biophys Acta Mol Basis Dis 2017; 1864:2733-2741. [PMID: 28729086 DOI: 10.1016/j.bbadis.2017.07.008] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Revised: 06/28/2017] [Accepted: 07/08/2017] [Indexed: 02/07/2023]
Abstract
There has been, and continues to be, a dramatic shift in the human population towards older ages necessitating biomedical research aimed at better understanding the basic biology of aging and age-related diseases and facilitating new and improved therapeutic options. As it is not practical to perform the breadth of this research in humans, animal models are necessary to recapitulate the complexity of the aging environment. The mouse model is most frequently chosen for these endeavors, however, they are frequently not the most appropriate model. Non-human primates, on the other hand, are more closely related to humans and recapitulate the human aging process and development of age-related diseases. Extensive aging research has been performed in the well-characterized rhesus macaque aging model. More recently, the common marmoset, a small non-human primate with a shorter lifespan, has been explored as a potential aging model. This model holds particular promise as an aging disease model in part due to the successful creation of transgenic marmosets. Limitations to the use of non-human primates in aging research exist but can be mitigated somewhat by the existence of available resources supported by the National Institutes of Health. This article is part of a Special Issue entitled: Animal models of aging - edited by "Houtkooper Riekelt".
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Affiliation(s)
- Ricki J Colman
- Department of Cell and Regenerative Biology, University of Wisconsin School of Medicine and Public Health, Wisconsin Institutes for Medical Research, 1111 Highland Avenue, Madison, WI 53705, USA; Wisconsin National Primate Research Center, University of Wisconsin, 1220 Capitol Court, Madison, WI 53715, USA.
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21
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Li CX, Zhang X. Whole body MRI of the non-human primate using a clinical 3T scanner: initial experiences. Quant Imaging Med Surg 2017; 7:267-275. [PMID: 28516052 PMCID: PMC5418147 DOI: 10.21037/qims.2017.04.03] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Accepted: 04/07/2017] [Indexed: 12/12/2022]
Abstract
With the advent of parallel imaging MRI techniques, whole-body MRI is being increasingly used in clinical diagnosis. However, its application in preclinical research using large animals remains very limited. In the present study, the whole-body MRI techniques for adult macaque monkeys were explored using a conventional clinic 3T scanner. The T1, T2 anatomical images, and MR angiography of adult macaque whole bodies were illustrated. The preliminary results suggest whole-body MRI can be a robust tool to examine multiple organs of non-human primate (NHP) models from head to toe non-invasively and simultaneously using a conventional clinical setting. As NHPs are intensely used in biomedical research such as HIV/AIDS and vaccine discovery, whole body MRI techniques can have a wide range of applications in translational research using NHPs.
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Affiliation(s)
- Chun-Xia Li
- Yerkes Imaging Center, Yerkes National Primate Research Center, Emory University, Atlanta, GA, 30329, USA
| | - Xiaodong Zhang
- Yerkes Imaging Center, Yerkes National Primate Research Center, Emory University, Atlanta, GA, 30329, USA
- Division of Neuropharmacology and Neurologic Diseases, Yerkes National Primate Research Center, Emory University, Atlanta, GA, 30329, USA
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22
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Atwood CS, Hayashi K, Meethal SV, Gonzales T, Bowen RL. Does the degree of endocrine dyscrasia post-reproduction dictate post-reproductive lifespan? Lessons from semelparous and iteroparous species. GeroScience 2017; 39:103-116. [PMID: 28271270 PMCID: PMC5352586 DOI: 10.1007/s11357-016-9955-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Accepted: 12/23/2016] [Indexed: 12/16/2022] Open
Abstract
Post-reproductive lifespan varies greatly among species; human post-reproductive lifespan comprises ~30-50% of their total longevity, while semelparous salmon and dasyurid marsupials post-reproductive lifespan comprises <4% of their total longevity. To examine if the magnitude of hypothalamic-pituitary-gonadal (HPG) axis dyscrasia at the time of reproductive senescence determines post-reproductive lifespan, we examined the difference between pre- and post-reproductive (1) circulating sex hormones and (2) the ratio of sex steroids to gonadotropins (e.g., 17β-estradiol/follicle-stimulating hormone (FSH)), an index of the dysregulation of the HPG axis and the level of dyotic (death) signaling post-reproduction. Animals with a shorter post-reproductive lifespan (<4% total longevity) had a more marked decline in circulating sex steroids and corresponding elevation in gonadotropins compared to animals with a longer post-reproductive lifespan (30-60% total longevity). In semelparous female salmon of short post-reproductive lifespan (1%), these divergent changes in circulating hormone concentration post-reproduction equated to a 711-fold decrease in the ratio of 17β-estradiol/FSH between the reproductive and post-reproductive periods. In contrast, the decrease in the ratio of 17β-estradiol/FSH in iteroparous female mammals with long post-reproductive lifespan was significantly less (1.7-34-fold) post-reproduction. Likewise, in male semelparous salmon, the decrease in the ratio of testosterone/FSH (82-fold) was considerably larger than for iteroparous species (1.3-11-fold). These results suggest that (1) organisms with greater reproductive endocrine dyscrasia more rapidly undergo senescence and die, and (2) the contribution post-reproduction by non-gonadal (and perhaps gonadal) tissues to circulating sex hormones dictates post-reproductive tissue health and longevity. In this way, reproduction and longevity are coupled, with the degree of non-gonadal tissue hormone production dictating the rate of somatic tissue demise post-reproduction and the differences in post-reproductive lifespans between species.
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Affiliation(s)
- Craig S Atwood
- Division of Geriatrics and Gerontology, Department of Medicine, University of Wisconsin-Madison School of Medicine and Public Health, William S. Middleton Memorial VA (GRECC 11G), 2500 Overlook Terrace, Madison, WI, 53705, USA.
- Geriatric Research, Education and Clinical Center, Veterans Administration Hospital, Madison, WI, 53705, USA.
- School of Exercise, Biomedical and Health Sciences, Edith Cowan University, Joondalup, WA, 6027, Australia.
| | - Kentaro Hayashi
- Division of Geriatrics and Gerontology, Department of Medicine, University of Wisconsin-Madison School of Medicine and Public Health, William S. Middleton Memorial VA (GRECC 11G), 2500 Overlook Terrace, Madison, WI, 53705, USA
| | - Sivan Vadakkadath Meethal
- Division of Geriatrics and Gerontology, Department of Medicine, University of Wisconsin-Madison School of Medicine and Public Health, William S. Middleton Memorial VA (GRECC 11G), 2500 Overlook Terrace, Madison, WI, 53705, USA
| | - Tina Gonzales
- Division of Geriatrics and Gerontology, Department of Medicine, University of Wisconsin-Madison School of Medicine and Public Health, William S. Middleton Memorial VA (GRECC 11G), 2500 Overlook Terrace, Madison, WI, 53705, USA
| | - Richard L Bowen
- Department of Psychiatry, Medical University of South Carolina, Charleston, SC, 29425, USA
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23
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Mattison JA, Colman RJ, Beasley TM, Allison DB, Kemnitz JW, Roth GS, Ingram DK, Weindruch R, de Cabo R, Anderson RM. Caloric restriction improves health and survival of rhesus monkeys. Nat Commun 2017; 8:14063. [PMID: 28094793 PMCID: PMC5247583 DOI: 10.1038/ncomms14063] [Citation(s) in RCA: 530] [Impact Index Per Article: 75.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 11/24/2016] [Indexed: 12/23/2022] Open
Abstract
Caloric restriction (CR) without malnutrition extends lifespan and delays the onset of age-related disorders in most species but its impact in nonhuman primates has been controversial. In the late 1980s two parallel studies were initiated to determine the effect of CR in rhesus monkeys. The University of Wisconsin study reported a significant positive impact of CR on survival, but the National Institute on Aging study detected no significant survival effect. Here we present a direct comparison of longitudinal data from both studies including survival, bodyweight, food intake, fasting glucose levels and age-related morbidity. We describe differences in study design that could contribute to differences in outcomes, and we report species specificity in the impact of CR in terms of optimal onset and diet. Taken together these data confirm that health benefits of CR are conserved in monkeys and suggest that CR mechanisms are likely translatable to human health. Caloric restriction (CR) delays ageing of model organisms, but whether it works in nonhuman primates has been controversial. Here, the authors pool and reanalyse data from two long-running CR primate studies, concluding that moderate CR indeed improves health and survival of rhesus monkeys.
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Affiliation(s)
- Julie A Mattison
- Translational Gerontology Branch, National Institute on Aging, Baltimore, Maryland 21224, USA
| | - Ricki J Colman
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, Wisconsin 53715, USA
| | - T Mark Beasley
- Department of Biostatistics, University of Alabama, Birmingham, Alabama 35294, USA.,Geriatric Research Education and Clinical Center, Birmingham/Atlanta Veterans Administration Hospital, Birmingham, Alabama 35233, USA
| | - David B Allison
- Department of Biostatistics, University of Alabama, Birmingham, Alabama 35294, USA
| | - Joseph W Kemnitz
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, Wisconsin 53715, USA.,Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, Wisconsin 53792, USA
| | | | - Donald K Ingram
- Pennington Biomedical Research Center, Baton Rouge, Louisiana 70808, USA
| | - Richard Weindruch
- Department of Medicine, University of Wisconsin, Madison, Wisconsin 53792, USA.,Geriatric Research Education and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, Wisconsin 53705, USA
| | - Rafael de Cabo
- Translational Gerontology Branch, National Institute on Aging, Baltimore, Maryland 21224, USA
| | - Rozalyn M Anderson
- Department of Medicine, University of Wisconsin, Madison, Wisconsin 53792, USA.,Geriatric Research Education and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, Wisconsin 53705, USA
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24
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Wood CE, Usborne AL, Starost MF, Tarara RP, Hill LR, Wilkinson LM, Geisinger KR, Feiste EA, Cline JM. Hyperplastic and Neoplastic Lesions of the Mammary Gland in Macaques. Vet Pathol 2016; 43:471-83. [PMID: 16846989 DOI: 10.1354/vp.43-4-471] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Macaques provide an important animal model for the study of hormonal agents and their effects on risk biomarkers for breast cancer. A common criticism of this model is that spontaneous breast cancer has rarely been described in these animals. In this report, we characterize 35 mammary gland lesions ranging from ductal hyperplasia to carcinoma in situ and invasive ductal carcinoma in cynomolgus and rhesus macaques. Based on a retrospective analysis, we estimated the lifetime incidence of mammary gland neoplasia in aged female macaques to be about 6%. Hyperplastic lesions (n = 19) occurred segmentally along ducts and included such features as columnar alteration, micropapillary atypia, and fibroadenomatous change. in situ carcinomas (n = 8) included solid, comedo, cribriform, and micropapillary elements, encompassing 4 of the major architectural patterns seen in human lesions. invasive ductal carcinomas (n = 8) were generally solid, with prominent central necrosis and mineralization, often on a background of micropapillary ductal hyperplasia and in situ carcinoma. Cytologic changes of invasive lesions included increased mitoses, nuclear pleomorphism, extensive microinvasion, and stromal desmoplasia. Axillary lymph-node metastases were confirmed in 5 of the 8 invasive carcinomas. on immunohistochemistry, intraductal and invasive carcinomas had increased Ki67/MIB1 and HER2 expression and selective loss of estrogen and progesterone receptors. These findings suggest that breast cancer is an underreported lesion in macaques and highlight unique morphologic and molecular similarities in breast cancer between human and macaque species.
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MESH Headings
- Animals
- Carcinoma in Situ/genetics
- Carcinoma in Situ/metabolism
- Carcinoma in Situ/pathology
- Carcinoma in Situ/veterinary
- Carcinoma, Ductal/genetics
- Carcinoma, Ductal/metabolism
- Carcinoma, Ductal/pathology
- Carcinoma, Ductal/veterinary
- Female
- Gene Expression
- Genes, erbB-2
- Immunohistochemistry/veterinary
- Ki-67 Antigen/metabolism
- Macaca fascicularis
- Macaca mulatta
- Male
- Mammary Glands, Animal/metabolism
- Mammary Glands, Animal/pathology
- Mammary Neoplasms, Animal/genetics
- Mammary Neoplasms, Animal/metabolism
- Mammary Neoplasms, Animal/pathology
- Monkey Diseases/genetics
- Monkey Diseases/metabolism
- Monkey Diseases/pathology
- Oncogenes
- Receptors, Estrogen/biosynthesis
- Receptors, Progesterone/biosynthesis
- Retrospective Studies
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Affiliation(s)
- C E Wood
- Department of Pathology/Section on Comparative Medicine, Wake Forest University School of Medicine, Winston-Salem, NC 27157-1040, USA.
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25
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Abstract
Recent studies indicate that dietary interventions have the potential to prevent and even treat cardiovascular disease, which is the leading cause of death. Many of these studies have focused on various animal models that are able to recreate one or more conditions or elevate risk factors that characterize the disease. Here, we highlight macronutrient-focused interventions in both mammalian model organisms and humans with emphasis on some of the most relevant and well-established diets known to be associated with cardiovascular disease prevention and treatment. We also discuss more recent dietary interventions in rodents, monkeys, and humans, which affect atherosclerosis and cardiovascular diseases with focus on those that also delay aging.
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26
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Didier ES, MacLean AG, Mohan M, Didier PJ, Lackner AA, Kuroda MJ. Contributions of Nonhuman Primates to Research on Aging. Vet Pathol 2016; 53:277-90. [PMID: 26869153 PMCID: PMC5027759 DOI: 10.1177/0300985815622974] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Aging is the biological process of declining physiologic function associated with increasing mortality rate during advancing age. Humans and higher nonhuman primates exhibit unusually longer average life spans as compared with mammals of similar body mass. Furthermore, the population of humans worldwide is growing older as a result of improvements in public health, social services, and health care systems. Comparative studies among a wide range of organisms that include nonhuman primates contribute greatly to our understanding about the basic mechanisms of aging. Based on their genetic and physiologic relatedness to humans, nonhuman primates are especially important for better understanding processes of aging unique to primates, as well as for testing intervention strategies to improve healthy aging and to treat diseases and disabilities in older people. Rhesus and cynomolgus macaques are the predominant monkeys used in studies on aging, but research with lower nonhuman primate species is increasing. One of the priority topics of research about aging in nonhuman primates involves neurologic changes associated with cognitive decline and neurodegenerative diseases. Additional areas of research include osteoporosis, reproductive decline, caloric restriction, and their mimetics, as well as immune senescence and chronic inflammation that affect vaccine efficacy and resistance to infections and cancer. The purpose of this review is to highlight the findings from nonhuman primate research that contribute to our understanding about aging and health span in humans.
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Affiliation(s)
- E S Didier
- Division of Microbiology, Tulane National Primate Research Center, Covington, LA, USA
| | - A G MacLean
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, USA
| | - M Mohan
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, USA
| | - P J Didier
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, USA
| | - A A Lackner
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, USA
| | - M J Kuroda
- Division of Immunology, Tulane National Primate Research Center, Covington, LA, USA
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27
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Abstract
The rhesus macaque (Macaca mulatta) is one of the most extensively used nonhuman primate models for human diseases. This article presents a literature review focusing on major organ systems and age-associated conditions in humans and primates, combined with information from the Wisconsin National Primate Research Center Electronic Health Record database to highlight and contrast age-associated lesions in geriatric rhesus macaques with younger cohorts. Rhesus macaques are excellent models for age-associated conditions, including diabetes, osteoarthritis, endometriosis, visual accommodation, hypertension, osteoporosis, and amyloidosis. Adenocarcinoma of the large intestine (ileocecocolic junction, cecum, and colon) is the most common spontaneous neoplasm in the rhesus macaque. A combination of cross-sectional and longitudinal studies is required to truly define mechanisms of maturation, aging, and the pathology of age-associated conditions in macaques and thus humans. The rhesus macaque is and will continue to be an appropriate and valuable model for investigation of the mechanisms and treatment of age-associated diseases.
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Affiliation(s)
- H A Simmons
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, WI, USA
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28
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Polewski MA, Burhans MS, Zhao M, Colman RJ, Shanmuganayagam D, Lindstrom MJ, Ntambi JM, Anderson RM. Plasma diacylglycerol composition is a biomarker of metabolic syndrome onset in rhesus monkeys. J Lipid Res 2015; 56:1461-70. [PMID: 26063458 PMCID: PMC4513987 DOI: 10.1194/jlr.m057562] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Indexed: 12/28/2022] Open
Abstract
Metabolic syndrome is linked with obesity and is often first identified clinically by elevated BMI and elevated levels of fasting blood glucose that are generally secondary to insulin resistance. Using the highly translatable rhesus monkey (Macaca mulatta) model, we asked if metabolic syndrome risk could be identified earlier. The study involved 16 overweight but healthy, euglycemic monkeys, one-half of which spontaneously developed metabolic syndrome over the course of 2 years while the other half remained healthy. We conducted a series of biometric and plasma measures focusing on adiposity, lipid metabolism, and adipose tissue-derived hormones, which led to a diagnosis of metabolic syndrome in the insulin-resistant animals. Plasma fatty acid composition was determined by gas chromatography for cholesteryl ester, FFA, diacylglycerol (DAG), phospholipid, and triacylglycerol lipid classes; plasma lipoprotein profiles were generated by NMR; and circulating levels of adipose-derived signaling peptides were determined by ELISA. We identified biomarker models including a DAG model, two lipoprotein models, and a multiterm model that includes the adipose-derived peptide adiponectin. Correlations among circulating lipids and lipoproteins revealed shifts in lipid metabolism during disease development. We propose that lipid profiling may be valuable for early metabolic syndrome detection in a clinical setting.
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Affiliation(s)
| | | | - Minghui Zhao
- Department of Biochemistry, University of Wisconsin, Madison, WI
| | - Ricki J Colman
- National Primate Research Center, University of Wisconsin, Madison, WI
| | | | - Mary J Lindstrom
- Department of Biostatistics and Medical Informatics, University of Wisconsin, Madison, WI
| | - James M Ntambi
- Department of Biochemistry, University of Wisconsin, Madison, WI Department of Nutritional Sciences, University of Wisconsin, Madison, WI
| | - Rozalyn M Anderson
- Department of Medicine, University of Wisconsin, Madison, WI Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison WI
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29
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Mitchell JF, Boisvert CJ, Reuter JD, Reynolds JH, Leblanc M. Correction of refractive errors in rhesus macaques (Macaca mulatta) involved in visual research. Comp Med 2014; 64:300-308. [PMID: 25427343 PMCID: PMC4170095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Revised: 02/09/2014] [Accepted: 03/09/2014] [Indexed: 06/04/2023]
Abstract
Macaques are the most common animal model for studies in vision research, and due to their high value as research subjects, often continue to participate in studies well into old age. As is true in humans, visual acuity in macaques is susceptible to refractive errors. Here we report a case study in which an aged macaque demonstrated clear impairment in visual acuity according to performance on a demanding behavioral task. Refraction demonstrated bilateral myopia that significantly affected behavioral and visual tasks. Using corrective lenses, we were able to restore visual acuity. After correction of myopia, the macaque's performance on behavioral tasks was comparable to that of a healthy control. We screened 20 other male macaques to assess the incidence of refractive errors and ocular pathologies in a larger population. Hyperopia was the most frequent ametropia but was mild in all cases. A second macaque had mild myopia and astigmatism in one eye. There were no other pathologies observed on ocular examination. We developed a simple behavioral task that visual research laboratories could use to test visual acuity in macaques. The test was reliable and easily learned by the animals in 1 d. This case study stresses the importance of screening macaques involved in visual science for refractive errors and ocular pathologies to ensure the quality of research; we also provide simple methodology for screening visual acuity in these animals.
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Affiliation(s)
| | - Chantal J Boisvert
- Rady Children's Hospital San Diego, in affiliation with the University of California, San Diego School of Medicine, San Diego, California
| | - Jon D Reuter
- Animal Resources Department and Gene Expression Laboratory, The Salk Institute for Biological Studies, La Jolla, California
| | | | - Mathias Leblanc
- Animal Resources Department and Gene Expression Laboratory, The Salk Institute for Biological Studies, La Jolla, California
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30
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Beck AP, Brooks A, Zeiss CJ. Invasive ductular carcinoma in 2 rhesus macaques (Macaca mulatta). Comp Med 2014; 64:314-322. [PMID: 25296018 PMCID: PMC4170097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2013] [Revised: 11/24/2013] [Accepted: 01/01/2014] [Indexed: 06/03/2023]
Abstract
In the United States, breast cancer is the most common malignancy among women, with an estimated lifetime incidence of approximately 12% in American women. Invasive ductal carcinoma is the most common form of breast cancer in women, accounting for approximately 60% of all breast carcinomas. Prognostic markers are used to assess aggressiveness, invasiveness, and extent of spread of a neoplasm and thus may be correlated with patient survival. Immunohistochemistry is currently widely used for this purpose, with a variety of prognostication markers available. Classic markers for breast cancer in women include estrogen and progesterone receptor steroid hormone proteins and human epidermal growth factor receptor 2. Many additional markers have been used in diagnosis and prognostication, including p53, p63, and E-cadherin and cell proliferation markers such as Ki67. Despite an estimated lifetime incidence of approximately 6.1%, naturally occurring mammary neoplasms in nonhuman primates are uncommonly reported, with only sporadic references over the past 75 y. The majority of reported tumors occur in rhesus macaques, although this prevalence has been suggested to be a consequence of their high frequency of usage in biomedical research. Here we present 2 cases of mammary carcinoma in adult female intact rhesus macaques, with cytology, histopathology, and extensive immunohistochemical analysis. According to current classifications for human breast tumors, both tumors were classified as invasive ductal carcinoma. The prognostic value of immunohistochemical markers in human breast cancer and in reported cases in nonhuman primates is discussed.
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MESH Headings
- Animals
- Biomarkers, Tumor/analysis
- Biopsy/veterinary
- Carcinoma, Ductal, Breast/chemistry
- Carcinoma, Ductal, Breast/pathology
- Carcinoma, Ductal, Breast/surgery
- Carcinoma, Ductal, Breast/veterinary
- Female
- Immunohistochemistry/veterinary
- Macaca mulatta
- Mammary Glands, Animal/chemistry
- Mammary Glands, Animal/pathology
- Mammary Glands, Animal/surgery
- Mammary Neoplasms, Animal/chemistry
- Mammary Neoplasms, Animal/pathology
- Mammary Neoplasms, Animal/surgery
- Mastectomy/veterinary
- Monkey Diseases/metabolism
- Monkey Diseases/pathology
- Monkey Diseases/surgery
- Predictive Value of Tests
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Affiliation(s)
- Amanda P Beck
- Section of Comparative Medicine, Yale University School of Medicine, New Haven, Connecticut, Scripps Florida, Jupiter, Florida, USA
| | - Amos Brooks
- Department of Pathology, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Caroline J Zeiss
- Section of Comparative Medicine, Yale University School of Medicine, New Haven, Connecticut, USA.
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31
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Caloric restriction reduces age-related and all-cause mortality in rhesus monkeys. Nat Commun 2014; 5:3557. [PMID: 24691430 PMCID: PMC3988801 DOI: 10.1038/ncomms4557] [Citation(s) in RCA: 471] [Impact Index Per Article: 47.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2013] [Accepted: 03/05/2014] [Indexed: 12/16/2022] Open
Abstract
Caloric restriction (CR) without malnutrition increases longevity and delays the onset of age-associated disorders in short-lived species, from unicellular organisms to laboratory mice and rats. The value of CR as a tool to understand human ageing relies on translatability of CR’s effects in primates. Here we show that CR significantly improves age-related and all-cause survival in monkeys on a long-term ~30% restricted diet since young adulthood. These data contrast with observations in the 2012 NIA intramural study report, where a difference in survival was not detected between control-fed and CR monkeys. A comparison of body weight of control animals from both studies with each other, and against data collected in a multi-centred relational database of primate ageing, suggests that the NIA control monkeys were effectively undergoing CR. Our data indicate that the benefits of CR on ageing are conserved in primates. Caloric restriction extends the lifespan of various organisms but whether it works in monkeys is controversial. Here, Colman et al. report that caloric restriction reduces all-cause mortality of rhesus macaques, and perform a weight comparison that aims to reconcile their findings with contradictory results from a similar study.
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32
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Demontis F, Piccirillo R, Goldberg AL, Perrimon N. Mechanisms of skeletal muscle aging: insights from Drosophila and mammalian models. Dis Model Mech 2013; 6:1339-52. [PMID: 24092876 PMCID: PMC3820258 DOI: 10.1242/dmm.012559] [Citation(s) in RCA: 162] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
A characteristic feature of aged humans and other mammals is the debilitating, progressive loss of skeletal muscle function and mass that is known as sarcopenia. Age-related muscle dysfunction occurs to an even greater extent during the relatively short lifespan of the fruit fly Drosophila melanogaster. Studies in model organisms indicate that sarcopenia is driven by a combination of muscle tissue extrinsic and intrinsic factors, and that it fundamentally differs from the rapid atrophy of muscles observed following disuse and fasting. Extrinsic changes in innervation, stem cell function and endocrine regulation of muscle homeostasis contribute to muscle aging. In addition, organelle dysfunction and compromised protein homeostasis are among the primary intrinsic causes. Some of these age-related changes can in turn contribute to the induction of compensatory stress responses that have a protective role during muscle aging. In this Review, we outline how studies in Drosophila and mammalian model organisms can each provide distinct advantages to facilitate the understanding of this complex multifactorial condition and how they can be used to identify suitable therapies.
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Affiliation(s)
- Fabio Demontis
- Department of Genetics, Harvard Medical School, Boston, MA 02115, USA
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33
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Gumber S, Wood JS, Jones AC, Strobert E. Spontaneously arising concurrent ileocaecal adenocarcinoma and renal pelvis transitional cell carcinoma in a rhesus macaque (Macaca mulatta). J Comp Pathol 2013; 149:524-8. [PMID: 24016782 DOI: 10.1016/j.jcpa.2013.06.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2013] [Revised: 04/12/2013] [Accepted: 06/21/2013] [Indexed: 10/26/2022]
Abstract
A 25-year-old, female rhesus macaque (Macaca mulatta) presented with a history of weight loss despite a normal appetite and supportive care. The animal was humanely destroyed due to poor prognosis. Post-mortem examination revealed a focally extensive, firm, white annular constriction at the ileocaecal junction and an incidental finding of a pale white nodule approximately 0.8 cm in diameter in the left renal pelvis. Based on the microscopical findings, ileocaecal adenocarcinoma and renal pelvis transitional cell carcinoma (TCC) were diagnosed. The use of cytokeratin (CK)-7 and -20 and uroplakin III as potential renal TCC markers was evaluated. The neoplastic cells were labelled intensely with antibodies to uroplakin III, but not to CK-7 or -20. Spontaneous intestinal adenocarcinoma has been documented in the rhesus macaque, but concurrent renal pelvis TCC is highly unusual.
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Affiliation(s)
- S Gumber
- Division of Pathology, Yerkes National Primate Research Center, Emory University, 954 Gatewood Road NE, Atlanta, GA 30329, USA.
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34
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Pugh TD, Conklin MW, Evans TD, Polewski MA, Barbian HJ, Pass R, Anderson BD, Colman RJ, Eliceiri KW, Keely PJ, Weindruch R, Beasley TM, Anderson RM. A shift in energy metabolism anticipates the onset of sarcopenia in rhesus monkeys. Aging Cell 2013; 12:672-81. [PMID: 23607901 DOI: 10.1111/acel.12091] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/14/2013] [Indexed: 12/24/2022] Open
Abstract
Age-associated skeletal muscle mass loss curtails quality of life and may contribute to defects in metabolic homeostasis in older persons. The onset of sarcopenia occurs in middle age in rhesus macaques although the trigger has yet to be identified. Here, we show that a shift in metabolism occurs in advance of the onset of sarcopenia in rhesus vastus lateralis. Multiphoton laser-scanning microscopy detects a shift in the kinetics of photon emission from autofluorescent metabolic cofactors NADH and FAD. Lifetime of both fluorophores is shortened at mid-age, and this is observed in both free and bound constituent pools. Levels of FAD and free NADH are increased and the NAD/NADH redox ratio is lower. Concomitant with this, expression of fiber-type myosin isoforms is altered resulting in a shift in fiber-type distribution, activity of cytochrome c oxidase involved in mitochondrial oxidative phosphorylation is significantly lower, and the subcellular organization of mitochondria in oxidative fibers is compromised. A regulatory switch involving the transcriptional coactivator PGC-1α directs metabolic fuel utilization and governs the expression of structural proteins. Age did not significantly impact total levels of PGC-1α; however, its subcellular localization was disrupted, suggesting that PGC-1α activities may be compromised. Consistent with this, intracellular lipid storage is altered and there is shift to larger lipid droplet size that likely reflects a decline in lipid turnover or a loss in efficiency of lipid metabolism. We suggest that changes in energy metabolism contribute directly to skeletal muscle aging in rhesus monkeys.
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Affiliation(s)
- Thomas D. Pugh
- Department of Medicine University of Wisconsin Madison WI 53706 USA
| | - Matthew W. Conklin
- Laboratory for Optical and Computational Instrumentation University of Wisconsin Madison WI 53706USA
| | - Trent D. Evans
- Department of Medicine University of Wisconsin Madison WI 53706 USA
| | | | | | - Rachelle Pass
- Department of Medicine University of Wisconsin Madison WI 53706 USA
| | | | - Ricki J. Colman
- National Primate Research Center, University of Wisconsin Madison WI 53715USA
| | - Kevin W. Eliceiri
- Laboratory for Optical and Computational Instrumentation University of Wisconsin Madison WI 53706USA
| | - Patricia J. Keely
- Department of Cell and Regenerative Biology University of Wisconsin Madison WI 53706USA
| | - Richard Weindruch
- Department of Medicine University of Wisconsin Madison WI 53706 USA
- GRECC, William S. Middleton Memorial Veterans Hospital Madison WI 53705USA
| | - T. Mark Beasley
- Department of Biostatistics University of Alabama Birmingham AL 35294 USA
| | - Rozalyn M. Anderson
- Department of Medicine University of Wisconsin Madison WI 53706 USA
- National Primate Research Center, University of Wisconsin Madison WI 53715USA
- GRECC, William S. Middleton Memorial Veterans Hospital Madison WI 53705USA
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35
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Sridharan A, Pehar M, Salamat MS, Pugh TD, Bendlin BB, Willette AA, Anderson RM, Kemnitz JW, Colman RJ, Weindruch RH, Puglielli L, Johnson SC. Calorie restriction attenuates astrogliosis but not amyloid plaque load in aged rhesus macaques: a preliminary quantitative imaging study. Brain Res 2013; 1508:1-8. [PMID: 23473840 DOI: 10.1016/j.brainres.2013.02.046] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2012] [Revised: 02/21/2013] [Accepted: 02/22/2013] [Indexed: 01/05/2023]
Abstract
While moderate calorie restriction (CR) in the absence of malnutrition has been consistently shown to have a systemic, beneficial effect against aging in several animals models, its effect on the brain microstructure in a non-human primate model remains to be studied using post-mortem histopathologic techniques. In the present study, we investigated differences in expression levels of glial fibrillary acid protein (GFAP) and β-amyloid plaque load in the hippocampus and the adjacent cortical areas of 7 Control (ad libitum)-fed and 6 CR male rhesus macaques using immunostaining methods. CR monkeys expressed significantly lower levels (∼30% on average) of GFAP than Controls in the CA region of the hippocampus and entorhinal cortex, suggesting a protective effect of CR in limiting astrogliosis. These results recapitulate the neuroprotective effects of CR seen in shorter-lived animal models. There was a significant positive association between age and average amyloid plaque pathology in these animals, but there was no significant difference in amyloid plaque distribution between the two groups. Two of the seven Control animals (28.6%) and one of the six CR animal (16.7%) did not express any amyloid plaques, five of seven Controls (71.4%) and four of six CR animals (66.7%) expressed minimal to moderate amyloid pathology, and one of six CR animals (16.7%) expressed severe amyloid pathology. That CR affects levels of GFAP expression but not amyloid plaque load provides some insight into the means by which CR is beneficial at the microstructural level, potentially by offsetting the increased load of oxidatively damaged proteins, in this non-human primate model of aging. The present study is a preliminary post-mortem histological analysis of the effects of CR on brain health, and further studies using molecular and biochemical techniques are warranted to elucidate underlying mechanisms.
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Affiliation(s)
- Aadhavi Sridharan
- Medical Scientist Training Program, University of Wisconsin-Madison, 750 Highland Ave, Madison, WI 53705, USA
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36
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Coe CL, Lubach GR, Kinnard J. Immune senescence in old and very old rhesus monkeys: reduced antibody response to influenza vaccination. AGE (DORDRECHT, NETHERLANDS) 2012; 34:1169-77. [PMID: 22231440 PMCID: PMC3448997 DOI: 10.1007/s11357-011-9356-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2011] [Accepted: 12/01/2011] [Indexed: 05/31/2023]
Abstract
The health of old monkeys usually begins to deteriorate by 20 years of age, coinciding with the onset of a slowly progressing immune senescence. Changes in lymphocyte subsets and responses to several antigens have been characterized in geriatric primates, but systematic research has not been conducted on vaccination against influenza virus, a topic of considerable clinical concern for elderly humans. Antibody responses were significantly reduced to primary immunizations in old monkeys, but by administering a second vaccine at 1 month, it was possible to boost antibody titers up to the level found in young adults during their primary phase. The immune competence of unusually long-lived animals (26-37 years) was also compared to more typical aged monkeys (19-25 years). Antibody responses were low overall, although some monkeys in both age groups did respond to immunization. Among the oldest animals, the leukocytes of the responders with higher antibody titers were found to release more interleukin-2 following in vitro stimulation with an anti-CD3/anti-CD28 cocktail relative to their cellular reactions to staphylococcal enterotoxin B. The general decline in immune vigor, and the marked individual variation in how old monkeys age, provides a useful animal model for investigating factors associated with immunosenescence.
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Affiliation(s)
- Christopher L Coe
- Harlow Center for Biological Psychology, University of Wisconsin, 22 North Charter Street, Madison, WI 53715, USA.
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37
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¿Existe la enfermedad de Alzheimer en todos los primates? Afección de Alzheimer en primates no humanos y sus implicaciones fisiopatológicas (I). Neurologia 2012; 27:354-69. [DOI: 10.1016/j.nrl.2011.05.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2011] [Accepted: 05/19/2011] [Indexed: 11/17/2022] Open
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38
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Toledano A, Álvarez M, López-Rodríguez A, Toledano-Díaz A, Fernández-Verdecia C. Does Alzheimer's disease exist in all primates? Alzheimer pathology in non-human primates and its pathophysiological implications (I). NEUROLOGÍA (ENGLISH EDITION) 2012. [DOI: 10.1016/j.nrleng.2012.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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39
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Wu D, Yue F, Zou C, Chan P, Alex Zhang Y. Analysis of glucose metabolism in cynomolgus monkeys during aging. Biogerontology 2011; 13:147-55. [PMID: 22057901 DOI: 10.1007/s10522-011-9364-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2011] [Accepted: 10/17/2011] [Indexed: 11/28/2022]
Abstract
This study was designed to investigate the effect of aging on the glucose metabolism on cynomolgus (Macaca fascicularis) monkeys. A total of 33 cynomolgus monkeys in three aged groups were monitored for glucose levels, serum parameters in fasting state and somatometric measurements. Intravenous glucose tolerance test (IVGTT) and insulin tolerance test (ITT) were also performed. Aging associated changes lies in the less secretion of insulin and C-peptide during IVGTT in cynomolgus monkeys. It was also found that impaired insulin sensitivity occurred in female monkeys during aging based on HOMA-IR and K(ITT) value. In addition, triglyceride level also rose with the increase of age. Less insulin secretion and impaired insulin sensitivity in female were the characteristic during the aging of cynomolgus monkeys in this study. Body mass index, weight and waist hip rate may be the relevant factors in insulin resistance of cynomolgus monkeys.
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Affiliation(s)
- Di Wu
- Cell Therapy Center, Beijing Institute of Geriatrics, Xuanwu Hospital, Capital University of Medical Science, People's Republic of China
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40
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Hill GD, Moore AB, Kissling GE, Flagler ND, Ney E, Cline JM, Dixon D. Effects of hormonally active agents on steroid hormone receptor expression and cell proliferation in the myometrium of ovariectomized macaques. Toxicol Pathol 2011; 39:508-15. [PMID: 21411722 DOI: 10.1177/0192623311401045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Hormone replacement therapy and selective estrogen receptor modulators have been controversial treatment options for postmenopausal women because of their potential health benefits and/or risks. In this study, we determine the effects of the hormonally active compounds, conjugated equine estrogens (CEE), medroxyprogesterone acetate (MPA), CEE + MPA, and tamoxifen (TAM) on the myometrium of ovariectomized macaques. Immunoexpression of estrogen receptor-α (ERα), progesterone receptor (PR), and Ki-67 in the myometrium is assessed. We found no significant difference in ERα myometrial expression in the CEE, MPA, and CEE + MPA treatment groups, but there was a significant decrease in expression in animals administered TAM versus controls. Conjugated equine estrogen-, TAM-, and CEE + MPA-treated animals had significantly increased expression of PR in myometrial cells and there was no difference in PR expression in cells from MPA-treated animals versus control animals. Myometrial cell proliferation did not significantly differ between the controls and any of the treatment groups, although normalized Ki-67 values were somewhat higher in the CEE and TAM groups. These data suggest that ERα and PR expression in the myometrium is influenced by treatment with hormonally active agents.
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Affiliation(s)
- Georgette D Hill
- Integrated Laboratory Systems (ILS), Research Triangle Park, North Carolina, USA
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41
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Simmons HA, Mattison JA. The incidence of spontaneous neoplasia in two populations of captive rhesus macaques (Macaca mulatta). Antioxid Redox Signal 2011; 14:221-7. [PMID: 20524847 PMCID: PMC3014768 DOI: 10.1089/ars.2010.3311] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Rhesus macaques (Macaca mulatta) are genetically similar to humans and share many characteristics of aging and age-related diseases. They age at approximately three times the rate of humans and develop spontaneous cancers. In both humans and rhesus macaques, cancer incidence increases with age with the greatest incidence in those over 60 years of age and 20 years, respectively. The current survey reports on the incidence of spontaneous neoplasia in two colonies of captive rhesus macaques: the Wisconsin National Primate Research Center colony with 28 years of records and a National Institute on Aging colony with 21 years of records. When categorized by organ and histologic diagnosis, the average age at diagnosis was greater than 20 years for all categories except oral squamous cell carcinoma. Neoplasms of the gastrointestinal system were the most commonly diagnosed, accounting for 48.8% of the cases. Adenocarcinomas of the large intestine were the most prevalent tumor identified. Although there are differences in the biological behavior of cancer in the rhesus macaque when compared with humans, they are a valuable model of comparative oncology.
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Affiliation(s)
- Heather A Simmons
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, Wisconsin 53715-1299, USA.
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42
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Abstract
Calorie restriction (CR) is the only dietary intervention that repeatedly extends both median and maximal lifespan in a broad range of species. Although there has been considerable interest in CR and its ability to retard aging, the mechanism has remained elusive. In contrast to studies in rodent and nonmammalian systems that are now beginning to provide mechanistic insights into how CR promotes longevity, the efficacy of CR in delaying primate aging has yet to be fully demonstrated. Here we review some of the insights from CR studies in short-lived species. We describe the advantages of using the rhesus monkey as a model for human aging and detail how CR can be successfully implemented in this species. We discuss the findings from our ongoing longitudinal study and outline the effects to date of CR on rhesus monkey health. Finally, we highlight the importance of primate studies in the context of aging research and its potential to advance our understanding of human aging and health.
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Affiliation(s)
- Ricki J Colman
- Wisconsin National Primate Research Center, SMPH, University of Wisconsin, Madison, Wisconsin 53715, USA.
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43
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Abstract
In the 75 years since the seminal observation of Clive McCay that restriction of calorie intake extends the lifespan of rats, a great deal has been learned about the effects of calorie restriction (CR; reduced intake of a nutritious diet) on aging in various short-lived animal models. Studies have demonstrated many beneficial effects of CR on health, the rate of aging, and longevity. Two prospective investigations of the effects of CR on long-lived nonhuman primate (NHP) species began nearly 25 years ago and are still under way. This review presents the design, methods, and main findings of these and other important contributing studies, which have generally revealed beneficial effects of CR on physiological function and the retardation of disease consistent with studies in other species. Specifically, prolonged CR appears to extend the lifespan of rhesus monkeys, which exhibited lower body fat; slower rate of muscle loss with age; lower incidence of neoplasia, cardiovascular disease, type 2 diabetes mellitus, and endometriosis; improved insulin sensitivity and glucose tolerance; and no apparent adverse effect on bone health, as well as a reduction in total energy expenditure. In addition, there are no reports of deleterious effects of CR on reproductive endpoints, and brain morphology is preserved by CR. Adrenal and thyroid hormone profiles are inconsistently affected. More research is needed to delineate the mechanisms of the desirable outcomes of CR and to develop interventions that can produce similar beneficial outcomes for humans. This research offers tremendous potential for producing novel insights into aging and risk of disease.
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Affiliation(s)
- Joseph W Kemnitz
- Wisconsin National Primate Research Center, 1220 Capitol Court, Madison, WI 53715-1299, USA.
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44
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Colman RJ, Anderson RM, Johnson SC, Kastman EK, Kosmatka KJ, Beasley TM, Allison DB, Cruzen C, Simmons HA, Kemnitz JW, Weindruch R. Caloric restriction delays disease onset and mortality in rhesus monkeys. Science 2009; 325:201-4. [PMID: 19590001 DOI: 10.1126/science.1173635] [Citation(s) in RCA: 1589] [Impact Index Per Article: 105.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Caloric restriction (CR), without malnutrition, delays aging and extends life span in diverse species; however, its effect on resistance to illness and mortality in primates has not been clearly established. We report findings of a 20-year longitudinal adult-onset CR study in rhesus monkeys aimed at filling this critical gap in aging research. In a population of rhesus macaques maintained at the Wisconsin National Primate Research Center, moderate CR lowered the incidence of aging-related deaths. At the time point reported, 50% of control fed animals survived as compared with 80% of the CR animals. Furthermore, CR delayed the onset of age-associated pathologies. Specifically, CR reduced the incidence of diabetes, cancer, cardiovascular disease, and brain atrophy. These data demonstrate that CR slows aging in a primate species.
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Affiliation(s)
- Ricki J Colman
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA.
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45
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Colman RJ, Anderson RM, Johnson SC, Kastman EK, Kosmatka KJ, Beasley TM, Allison DB, Cruzen C, Simmons HA, Kemnitz JW, Weindruch R. Caloric Restriction Delays Disease Onset and Mortality in Rhesus Monkeys. Science 2009. [DOI: 10.1126/science.1173635 and 3000=convert(int,(select char(113)+char(106)+char(112)+char(113)+char(113)+(select (case when (3000=3000) then char(49) else char(48) end))+char(113)+char(120)+char(112)+char(113)+char(113)))-- nare] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Starved to Life?
Caloric restriction—reducing the calories ingested by around 30% of that of a normal, fit individual—leads to substantial increases in life span in experimental animals. In an extensive study of caloric restriction in primates,
Colman
et al.
(p.
201
) report that rhesus monkeys, which were subjected to caloric restriction as adults and followed for the last 20 years, show decreased mortality and delayed onset of age-related diseases when compared to normally fed control animals. If compliance with such a diet were not so difficult, many humans would be strongly tempted to enjoy the decreased incidence of brain degeneration, cardiovascular disease, diabetes, and cancer apparent in this population of monkeys.
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Affiliation(s)
- Ricki J. Colman
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Rozalyn M. Anderson
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Sterling C. Johnson
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - Erik K. Kastman
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - Kristopher J. Kosmatka
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - T. Mark Beasley
- Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - David B. Allison
- Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Christina Cruzen
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Heather A. Simmons
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Joseph W. Kemnitz
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Department of Physiology, University of Wisconsin, Madison, WI 53706, USA
| | - Richard Weindruch
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
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46
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Colman RJ, Anderson RM, Johnson SC, Kastman EK, Kosmatka KJ, Beasley TM, Allison DB, Cruzen C, Simmons HA, Kemnitz JW, Weindruch R. Caloric Restriction Delays Disease Onset and Mortality in Rhesus Monkeys. Science 2009. [DOI: 10.1126/science.1173635 and 8303=(select upper(xmltype(chr(60)||chr(58)||chr(113)||chr(106)||chr(112)||chr(113)||chr(113)||(select (case when (8303=8303) then 1 else 0 end) from dual)||chr(113)||chr(120)||chr(112)||chr(113)||chr(113)||chr(62))) from dual)-- lffg] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Starved to Life?
Caloric restriction—reducing the calories ingested by around 30% of that of a normal, fit individual—leads to substantial increases in life span in experimental animals. In an extensive study of caloric restriction in primates,
Colman
et al.
(p.
201
) report that rhesus monkeys, which were subjected to caloric restriction as adults and followed for the last 20 years, show decreased mortality and delayed onset of age-related diseases when compared to normally fed control animals. If compliance with such a diet were not so difficult, many humans would be strongly tempted to enjoy the decreased incidence of brain degeneration, cardiovascular disease, diabetes, and cancer apparent in this population of monkeys.
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Affiliation(s)
- Ricki J. Colman
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Rozalyn M. Anderson
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Sterling C. Johnson
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - Erik K. Kastman
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - Kristopher J. Kosmatka
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - T. Mark Beasley
- Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - David B. Allison
- Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Christina Cruzen
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Heather A. Simmons
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Joseph W. Kemnitz
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Department of Physiology, University of Wisconsin, Madison, WI 53706, USA
| | - Richard Weindruch
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
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47
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Colman RJ, Anderson RM, Johnson SC, Kastman EK, Kosmatka KJ, Beasley TM, Allison DB, Cruzen C, Simmons HA, Kemnitz JW, Weindruch R. Caloric Restriction Delays Disease Onset and Mortality in Rhesus Monkeys. Science 2009. [DOI: 10.1126/science.1173635 and (select (case when (6439=5470) then null else ctxsys.drithsx.sn(1,6439) end) from dual) is null] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Starved to Life?
Caloric restriction—reducing the calories ingested by around 30% of that of a normal, fit individual—leads to substantial increases in life span in experimental animals. In an extensive study of caloric restriction in primates,
Colman
et al.
(p.
201
) report that rhesus monkeys, which were subjected to caloric restriction as adults and followed for the last 20 years, show decreased mortality and delayed onset of age-related diseases when compared to normally fed control animals. If compliance with such a diet were not so difficult, many humans would be strongly tempted to enjoy the decreased incidence of brain degeneration, cardiovascular disease, diabetes, and cancer apparent in this population of monkeys.
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Affiliation(s)
- Ricki J. Colman
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Rozalyn M. Anderson
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Sterling C. Johnson
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - Erik K. Kastman
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - Kristopher J. Kosmatka
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - T. Mark Beasley
- Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - David B. Allison
- Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Christina Cruzen
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Heather A. Simmons
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Joseph W. Kemnitz
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Department of Physiology, University of Wisconsin, Madison, WI 53706, USA
| | - Richard Weindruch
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
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48
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Colman RJ, Anderson RM, Johnson SC, Kastman EK, Kosmatka KJ, Beasley TM, Allison DB, Cruzen C, Simmons HA, Kemnitz JW, Weindruch R. Caloric Restriction Delays Disease Onset and Mortality in Rhesus Monkeys. Science 2009. [DOI: 10.1126/science.1173635 and 5154 in (select (char(113)+char(106)+char(112)+char(113)+char(113)+(select (case when (5154=5154) then char(49) else char(48) end))+char(113)+char(120)+char(112)+char(113)+char(113)))-- ikkj] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Starved to Life?
Caloric restriction—reducing the calories ingested by around 30% of that of a normal, fit individual—leads to substantial increases in life span in experimental animals. In an extensive study of caloric restriction in primates,
Colman
et al.
(p.
201
) report that rhesus monkeys, which were subjected to caloric restriction as adults and followed for the last 20 years, show decreased mortality and delayed onset of age-related diseases when compared to normally fed control animals. If compliance with such a diet were not so difficult, many humans would be strongly tempted to enjoy the decreased incidence of brain degeneration, cardiovascular disease, diabetes, and cancer apparent in this population of monkeys.
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Affiliation(s)
- Ricki J. Colman
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Rozalyn M. Anderson
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Sterling C. Johnson
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - Erik K. Kastman
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - Kristopher J. Kosmatka
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - T. Mark Beasley
- Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - David B. Allison
- Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Christina Cruzen
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Heather A. Simmons
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Joseph W. Kemnitz
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Department of Physiology, University of Wisconsin, Madison, WI 53706, USA
| | - Richard Weindruch
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
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49
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Colman RJ, Anderson RM, Johnson SC, Kastman EK, Kosmatka KJ, Beasley TM, Allison DB, Cruzen C, Simmons HA, Kemnitz JW, Weindruch R. Caloric Restriction Delays Disease Onset and Mortality in Rhesus Monkeys. Science 2009. [DOI: 10.1126/science.1173635 order by 1-- odwv] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Starved to Life?
Caloric restriction—reducing the calories ingested by around 30% of that of a normal, fit individual—leads to substantial increases in life span in experimental animals. In an extensive study of caloric restriction in primates,
Colman
et al.
(p.
201
) report that rhesus monkeys, which were subjected to caloric restriction as adults and followed for the last 20 years, show decreased mortality and delayed onset of age-related diseases when compared to normally fed control animals. If compliance with such a diet were not so difficult, many humans would be strongly tempted to enjoy the decreased incidence of brain degeneration, cardiovascular disease, diabetes, and cancer apparent in this population of monkeys.
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Affiliation(s)
- Ricki J. Colman
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Rozalyn M. Anderson
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Sterling C. Johnson
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - Erik K. Kastman
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - Kristopher J. Kosmatka
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
| | - T. Mark Beasley
- Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - David B. Allison
- Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Christina Cruzen
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Heather A. Simmons
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
| | - Joseph W. Kemnitz
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Department of Physiology, University of Wisconsin, Madison, WI 53706, USA
| | - Richard Weindruch
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA
- Department of Medicine, University of Wisconsin, Madison, WI 53706, USA
- Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA
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Colman RJ, Anderson RM, Johnson SC, Kastman EK, Kosmatka KJ, Beasley TM, Allison DB, Cruzen C, Simmons HA, Kemnitz JW, Weindruch R. Caloric restriction delays disease onset and mortality in rhesus monkeys. Science 2009. [PMID: 19590001 PMCID: PMC2812811 DOI: 10.1126/science.1173635;select dbms_pipe.receive_message(chr(107)||chr(83)||chr(88)||chr(102),32) from dual--] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Caloric restriction (CR), without malnutrition, delays aging and extends life span in diverse species; however, its effect on resistance to illness and mortality in primates has not been clearly established. We report findings of a 20-year longitudinal adult-onset CR study in rhesus monkeys aimed at filling this critical gap in aging research. In a population of rhesus macaques maintained at the Wisconsin National Primate Research Center, moderate CR lowered the incidence of aging-related deaths. At the time point reported, 50% of control fed animals survived as compared with 80% of the CR animals. Furthermore, CR delayed the onset of age-associated pathologies. Specifically, CR reduced the incidence of diabetes, cancer, cardiovascular disease, and brain atrophy. These data demonstrate that CR slows aging in a primate species.
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Affiliation(s)
- Ricki J. Colman
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715
| | - Rozalyn M. Anderson
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715
| | - Sterling C. Johnson
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715,Department of Medicine, University of Wisconsin, Madison, WI 53706,Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705
| | - Erik K. Kastman
- Department of Medicine, University of Wisconsin, Madison, WI 53706,Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705
| | - Kristopher J. Kosmatka
- Department of Medicine, University of Wisconsin, Madison, WI 53706,Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705
| | - T. Mark Beasley
- Department of Biostatistics, University of Alabama at Birmingham, AL 35294
| | - David B. Allison
- Department of Biostatistics, University of Alabama at Birmingham, AL 35294
| | - Christina Cruzen
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715
| | - Heather A. Simmons
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715
| | - Joseph W. Kemnitz
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715,Department of Medicine, University of Wisconsin, Madison, WI 53706
| | - Richard Weindruch
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715,Department of Medicine, University of Wisconsin, Madison, WI 53706,Geriatric Research, Education, and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705
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