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Duval C, Criscuolo F, Bertile F. Glycation resistance and life-history traits: lessons from non-conventional animal models. Biol Lett 2024; 20:20230601. [PMID: 38863347 DOI: 10.1098/rsbl.2023.0601] [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: 12/22/2023] [Accepted: 04/12/2024] [Indexed: 06/13/2024] Open
Abstract
Glycation reactions play a key role in the senescence process and are involved in numerous age-related pathologies, such as diabetes complications or Alzheimer's disease. As a result, past studies on glycation have mostly focused on human and laboratory animal models for medical purposes. Very little is known about glycation and its link to senescence in wild animal species. Yet, despite feeding on high-sugar diets, several bat and bird species are long-lived and seem to escape the toxic effects of high glycaemia. The study of these models could open new avenues both for understanding the mechanisms that coevolved with glycation resistance and for treating the damaging effects of glycations in humans. Our understanding of glycaemia's correlation to proxies of animals' pace of life is emerging in few wild species; however, virtually nothing is known about their resistance to glycation, nor on the relationship between glycation, species' life-history traits and individual fitness. Our review summarizes the scarce current knowledge on the links between glycation and life-history traits in non-conventional animal models, highlighting the predominance of avian research. We also investigate some key molecular and physiological parameters involved in glycation regulation, which hold promise for future research on fitness and senescence of individuals.
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Affiliation(s)
- Cyrielle Duval
- University of Strasbourg, CNRS, Institut Pluridisciplinaire Hubert Curien, UMR 7178 , Strasbourg 67000, France
- Infrastructure de Protéomique, ProFi , Strasbourg FR2048, France
| | - François Criscuolo
- University of Strasbourg, CNRS, Institut Pluridisciplinaire Hubert Curien, UMR 7178 , Strasbourg 67000, France
| | - Fabrice Bertile
- University of Strasbourg, CNRS, Institut Pluridisciplinaire Hubert Curien, UMR 7178 , Strasbourg 67000, France
- Infrastructure de Protéomique, ProFi , Strasbourg FR2048, France
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Montoya B, Briga M, Jimeno B, Verhulst S. Glucose tolerance predicts survival in old zebra finches. J Exp Biol 2022; 225:275426. [DOI: 10.1242/jeb.243205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 05/08/2022] [Indexed: 11/20/2022]
Abstract
The capacity to deal with external and internal challenges is thought to affect fitness, and the age-linked impairment of this capacity defines the ageing process. Using a recently developed intra-peritoneal glucose tolerance test (GTT) in zebra finches, we tested for a link between the capacity to regulate glucose levels and survival. We also investigated for the effects of ambient factors, age, sex, and manipulated developmental and adult conditions (i.e. natal brood size and foraging cost, in a full factorial design) on glucose tolerance. Glucose tolerance was quantified using the incremental ‘area under the curve’ (AUC), with lower values indicating higher tolerance. Glucose tolerance predicted survival probability in old birds, above the median age, with individuals with higher glucose tolerance showing better survival than individuals with low or intermediate glucose tolerance. In young birds there was no association between glucose tolerance and survival. Experimentally induced adverse developmental conditions did not affect glucose tolerance, but low ambient temperature at sampling and hard foraging conditions during adulthood induced a fast return to baseline levels (i.e. high glucose tolerance). These findings can be interpreted as an efficient return to baseline glucose levels when energy requirements are high, with glucose presumably being used for energy metabolism or storage. Glucose tolerance was independent of sex. Our main finding that old birds with higher glucose tolerance had better survival supports the hypothesis that the capacity to efficiently cope with a physiological challenge predicts lifespan, at least in old birds.
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Affiliation(s)
- Bibiana Montoya
- Laboratorio de Conducta Animal, Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, Mexico City, Mexico
- Groningen Institute for Evolutionary Life Sciences, University of Groningen, the Netherlands
- Estación Científica La Malinche, Centro Tlaxcala de Biología de la Conducta (CTBC), Universidad Autónoma de Tlaxcala, Mexico
| | - Michael Briga
- Groningen Institute for Evolutionary Life Sciences, University of Groningen, the Netherlands
- Department of Biology, University of Turku, Turku, Finland
- Infectious Disease Epidemiology group, Max Planck Institute for Infection Biology, Berlin, Germany
| | - Blanca Jimeno
- Groningen Institute for Evolutionary Life Sciences, University of Groningen, the Netherlands
- Instituto de Investigación en Recursos Cinegéticos (IREC), CSIC-UCLM-JCCM, Ronda de Toledo 12, 13005 Ciudad Real, Spain
| | - Simon Verhulst
- Groningen Institute for Evolutionary Life Sciences, University of Groningen, the Netherlands
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French SS, Hudson SB, Webb AC, Knapp CR, Virgin EE, Smith GD, Lewis EL, Iverson JB, DeNardo DF. Glucose tolerance of iguanas is affected by high-sugar diets in the lab and supplemental feeding by ecotourists in the wild. J Exp Biol 2022; 225:274936. [PMID: 35448902 DOI: 10.1242/jeb.243932] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/17/2022] [Indexed: 12/28/2022]
Abstract
There is great interspecific variation in the nutritional composition of natural diets, and the varied nutritional content is physiologically tolerated because of evolutionarily based balances between diet composition and processing ability. However, as a result of landscape change and human exposure, unnatural diets are becoming widespread among wildlife without the necessary time for evolutionary matching between the diet and its processing. We tested how a controlled, unnatural high glucose diet affects glucose tolerance using captive green iguanas, and we performed similar glucose tolerance tests on wild Northern Bahamian rock iguanas that are either frequently fed grapes by tourists or experience no such supplementation. We evaluated both short and longer-term blood glucose responses and corticosterone (CORT) concentrations as changes have been associated with altered diets. Experimental glucose supplementation in the laboratory and tourist feeding in the wild both significantly affected glucose metabolism. When iguanas received a glucose-rich diet, we found greater acute increases in blood glucose following a glucose challenge. Relative to unfed iguanas, tourist-fed iguanas had significantly lower baseline CORT, higher baseline blood glucose, and slower returns to baseline glucose levels following a glucose challenge. Therefore, unnatural consumption of high amounts of glucose alters glucose metabolism in laboratory iguanas with short-term glucose treatment and free-living iguanas exposed to long-term feeding by tourists. Based on these results and the increasing prevalence of anthropogenically altered wildlife diets, the consequences of dietary changes on glucose metabolism should be further investigated across species, as such changes in glucose metabolism have health consequences in humans (e.g. diabetes).
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Affiliation(s)
- Susannah S French
- Department of Biology, Utah State University, Logan, UT 84322, USA.,Ecology Center, Utah State University, Logan, UT 84322, USA
| | - Spencer B Hudson
- Department of Biology, Utah State University, Logan, UT 84322, USA.,Ecology Center, Utah State University, Logan, UT 84322, USA
| | - Alison C Webb
- Department of Biology, Utah State University, Logan, UT 84322, USA.,Ecology Center, Utah State University, Logan, UT 84322, USA
| | - Charles R Knapp
- Daniel P. Haerther Center for Conservation and Research, John G. Shedd Aquarium, Chicago, IL 60605, USA
| | - Emily E Virgin
- Department of Biology, Utah State University, Logan, UT 84322, USA.,Ecology Center, Utah State University, Logan, UT 84322, USA
| | - Geoffrey D Smith
- Biology Department, Dixie State University, Saint George, UT 84770, USA
| | - Erin L Lewis
- Department of Biology, Utah State University, Logan, UT 84322, USA.,Ecology Center, Utah State University, Logan, UT 84322, USA
| | - John B Iverson
- Department of Biology, Earlham College, Richmond, IN 47374, USA
| | - Dale F DeNardo
- School of Life Sciences, Arizona State University, Tempe, AZ 85281, USA
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Montoya B, Tóth Z, Lendvai ÁZ, Stier A, Criscuolo F, Zahn S, Bize P. Does IGF-1 Shape Life-History Trade-Offs? Opposite Associations of IGF-1 With Telomere Length and Body Size in a Free-Living Bird. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.853674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Hormonal pathways have been proposed to be key at modulating how fast individuals grow and reproduce and how long they live (i.e., life history trajectory). Research in model species living under controlled environment is suggesting that insulin-like growth factor 1 (IGF-1), which is an evolutionarily conserved polypeptide hormone, has an important role in modulating animal life histories. Much remains, however, to be done to test the role played by IGF-1 in shaping the phenotype and life history of animals in the wild. Using a wild long-lived bird, the Alpine swift (Tachymarptis melba), we show that adults with higher levels of IGF-1 had longer wings and shorter telomeres. Hence, telomeres being a proxy of lifespan in this species, our results support a potential role of IGF-1 at shaping the life-history of wild birds and suggest that IGF-1 may influence the growth-lifespan trade-off.
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Taff CC, Zimmer C, Ryan TA, van Oordt DC, Aborn DA, Ardia DR, Johnson LS, Rose AP, Vitousek M. Individual variation in natural or manipulated corticosterone does not covary with circulating glucose in a wild bird. J Exp Biol 2022; 225:274518. [DOI: 10.1242/jeb.243262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 01/18/2022] [Indexed: 11/20/2022]
Abstract
Animals respond to sudden challenges with a coordinated set of physiological and behavioral responses that enhance the ability to cope with stressors. While general characteristics of the vertebrate stress response are well described, it is not as clear how individual components covary between- or within-individuals. A rapid increase in glucocorticoids coordinates the stress response and one of the primary downstream results is an increase in glucose availability via reduced glucose utilization. Here, we asked whether between- and within-individual variation in corticosterone directly predicted variation in glucose. We collected 2,673 paired glucose and corticosterone measures from 776 tree swallows (Tachycineta bicolor) from four populations spanning the species range. In adults, glucose and corticosterone both increased during a standardized restraint protocol in all four populations. Moreover, in one population experimentally increasing a precursor that stimulates corticosterone release resulted in a further increase in both measures. In contrast, nestlings did not show a robust glucose response to handling or manipulation. Despite this group level variation, there was very little evidence in any population that between-individual variation in corticosterone predicted between-individual variation in glucose regulation. Glucose was moderately repeatable within-individuals, but within-individual variation in glucose and corticosterone were unrelated. Our results highlight the fact that a strong response in one aspect of the coordinated acute stress response (corticosterone) does not necessarily indicate that specific downstream components, such as glucose, will show similarly strong responses. These results have implications for understanding the evolution of integrated stress response systems.
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Affiliation(s)
- Conor C. Taff
- Department of Ecology & Evolutionary Biology, Cornell University, USA
- Lab of Ornithology, Cornell University, USA
| | - Cedric Zimmer
- Department of Ecology & Evolutionary Biology, Cornell University, USA
- Laboratoire d'Ethologie Expérimentale et Comparée, LEEC, UR 4443, Université Sorbonne Paris Nord, France
| | - Thomas A. Ryan
- Department of Ecology & Evolutionary Biology, Cornell University, USA
| | - David Chang van Oordt
- Department of Ecology & Evolutionary Biology, Cornell University, USA
- Lab of Ornithology, Cornell University, USA
| | - David A. Aborn
- Department of Biology, Geology, and Environmental Science, University of Tennessee at Chattanooga, USA
| | | | | | - Alexandra P. Rose
- Ecology and Evolutionary Biology Department, University of Colorado Boulder, USA
| | - Maren Vitousek
- Department of Ecology & Evolutionary Biology, Cornell University, USA
- Lab of Ornithology, Cornell University, USA
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