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Dujon AM, Ujvari B, Tissot S, Meliani J, Rieu O, Stepanskyy N, Hamede R, Tokolyi J, Nedelcu A, Thomas F. The complex effects of modern oncogenic environments on the fitness, evolution and conservation of wildlife species. Evol Appl 2024; 17:e13763. [PMID: 39100750 PMCID: PMC11294924 DOI: 10.1111/eva.13763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 04/16/2024] [Accepted: 07/18/2024] [Indexed: 08/06/2024] Open
Abstract
Growing evidence indicates that human activities are causing cancer rates to rise in both human and wildlife populations. This is due to the inability of ancestral anti-cancer defences to cope with modern environmental risks. The evolutionary mismatch between modern oncogenic risks and evolved cancer defences has far-reaching effects on various biological aspects at different timeframes, demanding a comprehensive study of the biology and evolutionary ecology of the affected species. Firstly, the increased activation of anti-cancer defences leads to excessive energy expenditure, affecting other biological functions and potentially causing health issues like autoimmune diseases. Secondly, tumorigenesis itself can impact important fitness-related parameters such as competitiveness, predator evasion, resistance to parasites, and dispersal capacity. Thirdly, rising cancer risks can influence the species' life-history traits, often favoring early reproduction to offset fitness costs associated with cancer. However, this strategy has its limits, and it may not ensure the sustainability of the species if cancer risks continue to rise. Lastly, some species may evolve additional anti-cancer defences, with uncertain consequences for their biology and future evolutionary path. In summary, we argue that the effects of increased exposure to cancer-causing substances on wildlife are complex, ranging from immediate responses to long-term evolutionary changes. Understanding these processes, especially in the context of conservation biology, is urgently needed.
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Affiliation(s)
- Antoine M. Dujon
- School of Life and Environmental SciencesDeakin UniversityWaurn PondsVictoriaAustralia
- CREEC/CANECEV (CREES), MIVEGEC, Unité Mixte de Recherches, IRD 224–CNRS 5290–Université de MontpellierMontpellierFrance
| | - Beata Ujvari
- School of Life and Environmental SciencesDeakin UniversityWaurn PondsVictoriaAustralia
| | - Sophie Tissot
- CREEC/CANECEV (CREES), MIVEGEC, Unité Mixte de Recherches, IRD 224–CNRS 5290–Université de MontpellierMontpellierFrance
| | - Jordan Meliani
- CREEC/CANECEV (CREES), MIVEGEC, Unité Mixte de Recherches, IRD 224–CNRS 5290–Université de MontpellierMontpellierFrance
| | - Océane Rieu
- CREEC/CANECEV (CREES), MIVEGEC, Unité Mixte de Recherches, IRD 224–CNRS 5290–Université de MontpellierMontpellierFrance
| | - Nikita Stepanskyy
- CREEC/CANECEV (CREES), MIVEGEC, Unité Mixte de Recherches, IRD 224–CNRS 5290–Université de MontpellierMontpellierFrance
| | - Rodrigo Hamede
- School of Natural SciencesUniversity of TasmaniaHobartTasmaniaAustralia
| | - Jácint Tokolyi
- Department of Evolutionary Zoology, MTA‐DE “Momentum” Ecology, Evolution and Developmental Biology Research GroupUniversity of DebrecenDebrecenHungary
| | - Aurora Nedelcu
- Department of BiologyUniversity of new BrunswickFrederictonNew BrunswickCanada
| | - Frédéric Thomas
- School of Life and Environmental SciencesDeakin UniversityWaurn PondsVictoriaAustralia
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2
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Klaassen H, Tissot S, Meliani J, Boutry J, Miltiadous A, Biro PA, Mitchell DJ, Ujvari B, Schultz A, Thomas F, Dujon AM. Behavioural ecology meets oncology: quantifying the recovery of animal behaviour to a transient exposure to a cancer risk factor. Proc Biol Sci 2024; 291:20232666. [PMID: 38351808 PMCID: PMC10865010 DOI: 10.1098/rspb.2023.2666] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 01/15/2024] [Indexed: 02/16/2024] Open
Abstract
Wildlife is increasingly exposed to sublethal transient cancer risk factors, including mutagenic substances, which activates their anti-cancer defences, promotes tumourigenesis, and may negatively impact populations. Little is known about how exposure to cancer risk factors impacts the behaviour of wildlife. Here, we investigated the effects of a sublethal, short-term exposure to a carcinogen at environmentally relevant concentrations on the activity patterns of wild Girardia tigrina planaria during a two-phase experiment, consisting of a 7-day exposure to cadmium period followed by a 7-day recovery period. To comprehensively explore the effects of the exposure on activity patterns, we employed the double hierarchical generalized linear model framework which explicitly models residual intraindividual variability in addition to the mean and variance of the population. We found that exposed planaria were less active compared to unexposed individuals and were able to recover to pre-exposure activity levels albeit with a reduced variance in activity at the start of the recovery phase. Planaria showing high activity levels were less predictable with larger daily activity variations and higher residual variance. Thus, the shift in behavioural variability induced by an exposure to a cancer risk factor can be quantified using advanced tools from the field of behavioural ecology. This is required to understand how tumourous processes affect the ecology of species.
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Affiliation(s)
- Hiske Klaassen
- Geelong, School of Life and Environmental Sciences, Centre for Integrative Ecology, Deakin University, Waurn Ponds, Victoria 3216, Australia
- CREEC/CANECEV (CREES), MIVEGEC, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
| | - Sophie Tissot
- CREEC/CANECEV (CREES), MIVEGEC, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
| | - Jordan Meliani
- CREEC/CANECEV (CREES), MIVEGEC, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
| | - Justine Boutry
- CREEC/CANECEV (CREES), MIVEGEC, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
| | - Anna Miltiadous
- Geelong, School of Life and Environmental Sciences, Centre for Integrative Ecology, Deakin University, Waurn Ponds, Victoria 3216, Australia
| | - Peter A. Biro
- Geelong, School of Life and Environmental Sciences, Centre for Integrative Ecology, Deakin University, Waurn Ponds, Victoria 3216, Australia
- CREEC/CANECEV (CREES), MIVEGEC, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
| | | | - Beata Ujvari
- Geelong, School of Life and Environmental Sciences, Centre for Integrative Ecology, Deakin University, Waurn Ponds, Victoria 3216, Australia
- CREEC/CANECEV (CREES), MIVEGEC, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
| | - Aaron Schultz
- Geelong, School of Life and Environmental Sciences, Centre for Integrative Ecology, Deakin University, Waurn Ponds, Victoria 3216, Australia
- CREEC/CANECEV (CREES), MIVEGEC, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
| | - Frédéric Thomas
- Geelong, School of Life and Environmental Sciences, Centre for Integrative Ecology, Deakin University, Waurn Ponds, Victoria 3216, Australia
- CREEC/CANECEV (CREES), MIVEGEC, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
| | - Antoine M. Dujon
- Geelong, School of Life and Environmental Sciences, Centre for Integrative Ecology, Deakin University, Waurn Ponds, Victoria 3216, Australia
- CREEC/CANECEV (CREES), MIVEGEC, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
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3
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Pepke ML, Kvalnes T, Lundregan S, Boner W, Monaghan P, Saether BE, Jensen H, Ringsby TH. Genetic architecture and heritability of early-life telomere length in a wild passerine. Mol Ecol 2022; 31:6360-6381. [PMID: 34825754 DOI: 10.1111/mec.16288] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 10/01/2021] [Accepted: 11/09/2021] [Indexed: 01/31/2023]
Abstract
Early-life telomere length (TL) is associated with fitness in a range of organisms. Little is known about the genetic basis of variation in TL in wild animal populations, but to understand the evolutionary and ecological significance of TL it is important to quantify the relative importance of genetic and environmental variation in TL. In this study, we measured TL in 2746 house sparrow nestlings sampled across 20 years and used an animal model to show that there is a small heritable component of early-life TL (h2 = 0.04). Variation in TL among individuals was mainly driven by environmental (annual) variance, but also brood and parental effects. Parent-offspring regressions showed a large maternal inheritance component in TL ( h maternal 2 = 0.44), but no paternal inheritance. We did not find evidence for a negative genetic correlation underlying the observed negative phenotypic correlation between TL and structural body size. Thus, TL may evolve independently of body size and the negative phenotypic correlation is likely to be caused by nongenetic environmental effects. We further used genome-wide association analysis to identify genomic regions associated with TL variation. We identified several putative genes underlying TL variation; these have been inferred to be involved in oxidative stress, cellular growth, skeletal development, cell differentiation and tumorigenesis in other species. Together, our results show that TL has a low heritability and is a polygenic trait strongly affected by environmental conditions in a free-living bird.
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Affiliation(s)
- Michael Le Pepke
- Department of Biology, Centre for Biodiversity Dynamics (CBD), Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Thomas Kvalnes
- Department of Biology, Centre for Biodiversity Dynamics (CBD), Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Sarah Lundregan
- Department of Biology, Centre for Biodiversity Dynamics (CBD), Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Winnie Boner
- Institute of Biodiversity, Animal Health and Comparative Medicine (IBAHCM), University of Glasgow, Glasgow, UK
| | - Pat Monaghan
- Institute of Biodiversity, Animal Health and Comparative Medicine (IBAHCM), University of Glasgow, Glasgow, UK
| | - Bernt-Erik Saether
- Department of Biology, Centre for Biodiversity Dynamics (CBD), Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Henrik Jensen
- Department of Biology, Centre for Biodiversity Dynamics (CBD), Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Thor Harald Ringsby
- Department of Biology, Centre for Biodiversity Dynamics (CBD), Norwegian University of Science and Technology (NTNU), Trondheim, Norway
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Boutry J, Tissot S, Mekaoui N, Dujon A, Meliani J, Hamede R, Ujvari B, Roche B, Nedelcu AM, Tokolyi J, Thomas F. Tumors alter life-history traits in the freshwater cnidarian, Hydra oligactis. iScience 2022; 25:105034. [PMID: 36147948 PMCID: PMC9485901 DOI: 10.1016/j.isci.2022.105034] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/13/2022] [Accepted: 08/24/2022] [Indexed: 11/16/2022] Open
Abstract
Although tumors can occur during the lifetime of most multicellular organisms and have the potential to influence health, how they alter life-history traits in tumor-bearing individuals remains poorly documented. This question was explored using the freshwater cnidarian Hydra oligactis, a species sometimes affected by vertically transmitted tumors. We found that tumorous polyps have a reduced survival compared to healthy ones. However, they also displayed higher asexual reproductive effort, by producing more often multiple buds than healthy ones. A similar acceleration is observed for the sexual reproduction (estimated through gamete production). Because tumoral cells are not transmitted through this reproductive mode, this finding suggests that hosts may adaptively respond to tumors, compensating the expected fitness losses by increasing their immediate reproductive effort. This study supports the hypothesis that tumorigenesis has the potential to influence the biology, ecology, and evolution of multicellular species, and thus should be considered more by evolutionary ecologists. Vertically transmitted tumors influence the life history traits of hydras Tumor-bearing hydras have a reduced survival rate Tumorous hydras show increased early reproductive effort (asexual and sexual) Changes in sexual reproduction pattern can be a compensatory response of the host
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Affiliation(s)
- Justine Boutry
- CREEC/CANECEV (CREES), MIVEGEC, Unité Mixte de Recherches, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
- Corresponding author
| | - Sophie Tissot
- CREEC/CANECEV (CREES), MIVEGEC, Unité Mixte de Recherches, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
- Corresponding author
| | - Narimène Mekaoui
- CREEC/CANECEV (CREES), MIVEGEC, Unité Mixte de Recherches, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
| | - Antoine Dujon
- CREEC/CANECEV (CREES), MIVEGEC, Unité Mixte de Recherches, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
- Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Victoria, Australia
| | - Jordan Meliani
- CREEC/CANECEV (CREES), MIVEGEC, Unité Mixte de Recherches, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
| | - Rodrigo Hamede
- School of Natural Sciences, University of Tasmania, Hobart, Tasmania, Australia
| | - Beata Ujvari
- CREEC/CANECEV (CREES), MIVEGEC, Unité Mixte de Recherches, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
- Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Victoria, Australia
| | - Benjamin Roche
- CREEC/CANECEV (CREES), MIVEGEC, Unité Mixte de Recherches, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
- Departamento de Etología, Fauna Silvestre y Animales de Laboratorio, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México (UNAM), Ciudad de México, México
| | - Aurora M. Nedelcu
- Department of Biology, University of New Brunswick, Fredericton, New Brunswick, Canada
| | - Jácint Tokolyi
- MTA-DE “Momentum” Ecology, Evolution and Developmental Biology Research Group, Department of Evolutionary Zoology, University of Debrecen, 4032 Debrecen, Hungary
| | - Frédéric Thomas
- CREEC/CANECEV (CREES), MIVEGEC, Unité Mixte de Recherches, IRD 224–CNRS 5290–Université de Montpellier, Montpellier, France
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5
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Dujon AM, Boutry J, Tissot S, Meliani J, Guimard L, Rieu O, Ujvari B, Thomas F. A review of the methods used to induce cancer in invertebrates to study its effects on the evolution of species and ecosystem functioning. Methods Ecol Evol 2022. [DOI: 10.1111/2041-210x.13938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Antoine M. Dujon
- Deakin University Geelong, School of Life and Environmental Sciences, Centre for Integrative Ecology Waurn Ponds Victoria Australia
- CANECEV‐Centre de Recherches Ecologiques et Evolutives sur le Cancer (CREEC) Montpellier France
- CREEC, MIVEGEC UMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
| | - Justine Boutry
- CANECEV‐Centre de Recherches Ecologiques et Evolutives sur le Cancer (CREEC) Montpellier France
- CREEC, MIVEGEC UMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
| | - Sophie Tissot
- CANECEV‐Centre de Recherches Ecologiques et Evolutives sur le Cancer (CREEC) Montpellier France
- CREEC, MIVEGEC UMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
| | - Jordan Meliani
- CANECEV‐Centre de Recherches Ecologiques et Evolutives sur le Cancer (CREEC) Montpellier France
- CREEC, MIVEGEC UMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
| | - Lena Guimard
- CANECEV‐Centre de Recherches Ecologiques et Evolutives sur le Cancer (CREEC) Montpellier France
- CREEC, MIVEGEC UMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
| | - Océane Rieu
- CANECEV‐Centre de Recherches Ecologiques et Evolutives sur le Cancer (CREEC) Montpellier France
- CREEC, MIVEGEC UMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
| | - Beata Ujvari
- Deakin University Geelong, School of Life and Environmental Sciences, Centre for Integrative Ecology Waurn Ponds Victoria Australia
- CANECEV‐Centre de Recherches Ecologiques et Evolutives sur le Cancer (CREEC) Montpellier France
| | - Frédéric Thomas
- CANECEV‐Centre de Recherches Ecologiques et Evolutives sur le Cancer (CREEC) Montpellier France
- CREEC, MIVEGEC UMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
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6
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Dujon AM, Boutry J, Tissot S, Lemaître JF, Boddy AM, Gérard AL, Alvergne A, Arnal A, Vincze O, Nicolas D, Giraudeau M, Telonis-Scott M, Schultz A, Pujol P, Biro PA, Beckmann C, Hamede R, Roche B, Ujvari B, Thomas F. Cancer Susceptibility as a Cost of Reproduction and Contributor to Life History Evolution. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.861103] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Reproduction is one of the most energetically demanding life-history stages. As a result, breeding individuals often experience trade-offs, where energy is diverted away from maintenance (cell repair, immune function) toward reproduction. While it is increasingly acknowledged that oncogenic processes are omnipresent, evolving and opportunistic entities in the bodies of metazoans, the associations among reproductive activities, energy expenditure, and the dynamics of malignant cells have rarely been studied. Here, we review the diverse ways in which age-specific reproductive performance (e.g., reproductive aging patterns) and cancer risks throughout the life course may be linked via trade-offs or other mechanisms, as well as discuss situations where trade-offs may not exist. We argue that the interactions between host–oncogenic processes should play a significant role in life-history theory, and suggest some avenues for future research.
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7
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Dujon AM, Vittecoq M, Bramwell G, Thomas F, Ujvari B. Machine learning is a powerful tool to study the effect of cancer on species and ecosystems. Methods Ecol Evol 2021. [DOI: 10.1111/2041-210x.13703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Antoine M. Dujon
- Geelong School of Life and Environmental Sciences Centre for Integrative Ecology Deakin University Waurn Ponds Victoria Australia
- CREECUMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
- CANECEV‐Centre de Recherches Ecologiques et Evolutives sur le cancer (CREEC) Montpellier France
| | - Marion Vittecoq
- CREECUMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
- MIVEGECUniversity of MontpellierCNRSIRD Montpellier France
- Tour du Valat Research Institute for the Conservation of Mediterranean Wetlands Arles France
| | - Georgina Bramwell
- Geelong School of Life and Environmental Sciences Centre for Integrative Ecology Deakin University Waurn Ponds Victoria Australia
- CANECEV‐Centre de Recherches Ecologiques et Evolutives sur le cancer (CREEC) Montpellier France
| | - Frédéric Thomas
- CREECUMR IRD 224‐CNRS 5290‐Université de Montpellier Montpellier France
- CANECEV‐Centre de Recherches Ecologiques et Evolutives sur le cancer (CREEC) Montpellier France
- MIVEGECUniversity of MontpellierCNRSIRD Montpellier France
| | - Beata Ujvari
- Geelong School of Life and Environmental Sciences Centre for Integrative Ecology Deakin University Waurn Ponds Victoria Australia
- CANECEV‐Centre de Recherches Ecologiques et Evolutives sur le cancer (CREEC) Montpellier France
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8
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Cortés-Hernández LE, Eslami-S Z, Dujon AM, Giraudeau M, Ujvari B, Thomas F, Alix-Panabières C. Do malignant cells sleep at night? Genome Biol 2020; 21:276. [PMID: 33183336 PMCID: PMC7659113 DOI: 10.1186/s13059-020-02179-w] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 10/13/2020] [Indexed: 12/19/2022] Open
Abstract
Biological rhythms regulate the biology of most, if not all living creatures, from whole organisms to their constitutive cells, their microbiota, and also parasites. Here, we present the hypothesis that internal and external ecological variations induced by biological cycles also influence or are exploited by cancer cells, especially by circulating tumor cells, the key players in the metastatic cascade. We then discuss the possible clinical implications of the effect of biological cycles on cancer progression, and how they could be exploited to improve and standardize methods used in the liquid biopsy field.
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Affiliation(s)
| | - Zahra Eslami-S
- Laboratory of Rare Human Circulating Cells (LCCRH), University Medical Centre of Montpellier, Montpellier, France
| | - Antoine M Dujon
- CREEC (CREES), Unité Mixte de Recherches, IRD 224-CNRS 5290-Université de Montpellier, Montpellier, France
- Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Victoria, Australia
| | - Mathieu Giraudeau
- CREEC (CREES), Unité Mixte de Recherches, IRD 224-CNRS 5290-Université de Montpellier, Montpellier, France
| | - Beata Ujvari
- Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Victoria, Australia
- School of Natural Sciences, University of Tasmania, Hobart, Tasmania, Australia
| | - Frédéric Thomas
- CREEC (CREES), Unité Mixte de Recherches, IRD 224-CNRS 5290-Université de Montpellier, Montpellier, France
| | - Catherine Alix-Panabières
- Laboratory of Rare Human Circulating Cells (LCCRH), University Medical Centre of Montpellier, Montpellier, France.
- CREEC (CREES), Unité Mixte de Recherches, IRD 224-CNRS 5290-Université de Montpellier, Montpellier, France.
- Institut Universitaire de Recherche Clinique (IURC), 641, avenue du Doyen Gaston Giraud, 34093, Montpellier Cedex 5, France.
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9
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Hamede R, Owen R, Siddle H, Peck S, Jones M, Dujon AM, Giraudeau M, Roche B, Ujvari B, Thomas F. The ecology and evolution of wildlife cancers: Applications for management and conservation. Evol Appl 2020; 13:1719-1732. [PMID: 32821279 PMCID: PMC7428810 DOI: 10.1111/eva.12948] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 02/23/2020] [Accepted: 02/28/2020] [Indexed: 02/06/2023] Open
Abstract
Ecological and evolutionary concepts have been widely adopted to understand host-pathogen dynamics, and more recently, integrated into wildlife disease management. Cancer is a ubiquitous disease that affects most metazoan species; however, the role of oncogenic phenomena in eco-evolutionary processes and its implications for wildlife management and conservation remains undeveloped. Despite the pervasive nature of cancer across taxa, our ability to detect its occurrence, progression and prevalence in wildlife populations is constrained due to logistic and diagnostic limitations, which suggests that most cancers in the wild are unreported and understudied. Nevertheless, an increasing number of virus-associated and directly transmissible cancers in terrestrial and aquatic environments have been detected. Furthermore, anthropogenic activities and sudden environmental changes are increasingly associated with cancer incidence in wildlife. This highlights the need to upscale surveillance efforts, collection of critical data and developing novel approaches for studying the emergence and evolution of cancers in the wild. Here, we discuss the relevance of malignant cells as important agents of selection and offer a holistic framework to understand the interplay of ecological, epidemiological and evolutionary dynamics of cancer in wildlife. We use a directly transmissible cancer (devil facial tumour disease) as a model system to reveal the potential evolutionary dynamics and broader ecological effects of cancer epidemics in wildlife. We provide further examples of tumour-host interactions and trade-offs that may lead to changes in life histories, and epidemiological and population dynamics. Within this framework, we explore immunological strategies at the individual level as well as transgenerational adaptations at the population level. Then, we highlight the need to integrate multiple disciplines to undertake comparative cancer research at the human-domestic-wildlife interface and their environments. Finally, we suggest strategies for screening cancer incidence in wildlife and discuss how to integrate ecological and evolutionary concepts in the management of current and future cancer epizootics.
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Affiliation(s)
- Rodrigo Hamede
- School of Natural SciencesUniversity of TasmaniaHobartTas.Australia
- Centre for Integrative EcologySchool of Life and Environmental SciencesDeakin UniversityVic.Australia
| | - Rachel Owen
- Centre for Biological SciencesUniversity of SouthamptonSouthamptonUK
| | - Hannah Siddle
- Centre for Biological SciencesUniversity of SouthamptonSouthamptonUK
| | - Sarah Peck
- Wildlife Veterinarian, Veterinary Register of TasmaniaSouth HobartTas.Australia
| | - Menna Jones
- School of Natural SciencesUniversity of TasmaniaHobartTas.Australia
| | - Antoine M. Dujon
- Centre for Integrative EcologySchool of Life and Environmental SciencesDeakin UniversityVic.Australia
| | - Mathieu Giraudeau
- Centre de Recherches Ecologiques et Evolutives sur le Cancer/Centre de Recherches en Ecologie et Evolution de la SantéUnité Mixte de RecherchesInstitut de Recherches pour le Développement 224‐Centre National de la Recherche Scientifique 5290‐Université de MontpellierMontpellierFrance
| | - Benjamin Roche
- Centre de Recherches Ecologiques et Evolutives sur le Cancer/Centre de Recherches en Ecologie et Evolution de la SantéUnité Mixte de RecherchesInstitut de Recherches pour le Développement 224‐Centre National de la Recherche Scientifique 5290‐Université de MontpellierMontpellierFrance
| | - Beata Ujvari
- School of Natural SciencesUniversity of TasmaniaHobartTas.Australia
- Centre for Integrative EcologySchool of Life and Environmental SciencesDeakin UniversityVic.Australia
| | - Frédéric Thomas
- Centre de Recherches Ecologiques et Evolutives sur le Cancer/Centre de Recherches en Ecologie et Evolution de la SantéUnité Mixte de RecherchesInstitut de Recherches pour le Développement 224‐Centre National de la Recherche Scientifique 5290‐Université de MontpellierMontpellierFrance
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10
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Jacqueline C, Parvy JP, Rollin ML, Faugère D, Renaud F, Missé D, Thomas F, Roche B. The role of innate immunity in the protection conferred by a bacterial infection against cancer: study of an invertebrate model. Sci Rep 2020; 10:10106. [PMID: 32572049 PMCID: PMC7308315 DOI: 10.1038/s41598-020-66813-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 05/27/2020] [Indexed: 12/20/2022] Open
Abstract
All multicellular organisms are exposed to a diversity of infectious agents and to the emergence and proliferation of malignant cells. The protection conferred by some infections against cancer has been recently linked to the production of acquired immunity effectors such as antibodies. However, the evolution of innate immunity as a mechanism to prevent cancer and how it is jeopardized by infections remain poorly investigated. Here, we explored this question by performing experimental infections in two genetically modified invertebrate models (Drosophila melanogaster) that develop invasive or non-invasive neoplastic brain tumors. After quantifying tumor size and antimicrobial peptide gene expression, we found that Drosophila larvae infected with a naturally occurring bacterium had smaller tumors compared to controls and to fungus-infected larvae. This was associated with the upregulation of genes encoding two antimicrobial peptides-diptericin and drosomycin-that are known to be important mediators of tumor cell death. We further confirmed that tumor regression upon infection was associated with an increase in tumor cell death. Thus, our study suggests that infection could have a protective role through the production of antimicrobial peptides that increase tumor cell death. Finally, our study highlights the need to understand the role of innate immune effectors in the complex interactions between infections and cancer cell communities in order to develop innovative cancer treatment strategies.
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Affiliation(s)
- Camille Jacqueline
- CREEC, MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394, Montpellier Cedex 5, France.
- Department of Immunology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
| | - Jean-Philippe Parvy
- CRUK Beatson Institute, Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Glasgow, G61 1BD, UK
| | - Marie-Lou Rollin
- CREEC, MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394, Montpellier Cedex 5, France
| | - Dominique Faugère
- CREEC, MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394, Montpellier Cedex 5, France
| | - François Renaud
- CREEC, MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394, Montpellier Cedex 5, France
| | - Dorothée Missé
- CREEC, MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394, Montpellier Cedex 5, France
| | - Frédéric Thomas
- CREEC, MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394, Montpellier Cedex 5, France
| | - Benjamin Roche
- CREEC, MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394, Montpellier Cedex 5, France
- International Center for Mathematical and Computational Modeling of Complex Systems (UMI IRD/UPMC UMMISCO), 32 Avenue Henri Varagnat, 93143, Bondy Cedex, France
- Departamento de Etología, Fauna Silvestre y Animales de Laboratorio, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México (UNAM), Ciudad de Mexico, Mexico
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Abstract
AbstractAlthough there is a plethora of cancer associated-factors that can ultimately culminate in death (cachexia, organ impairment, metastases, opportunistic infections, etc.), the focal element of every terminal malignancy is the failure of our natural defences to control unlimited cell proliferation. The reasons why our defences apparently lack efficiency is a complex question, potentially indicating that, under Darwinian terms, solutions other than preventing cancer progression are also important contributors. In analogy with host-parasite systems, we propose to call this latter option ‘tolerance’ to cancer. Here, we argue that the ubiquity of oncogenic processes among metazoans is at least partially attributable to both the limitations of resistance mechanisms and to the evolution of tolerance to cancer. Deciphering the ecological contexts of alternative responses to the cancer burden is not a semantic question, but rather a focal point in understanding the evolutionary ecology of host-tumour relationships, the evolution of our defences, as well as why and when certain cancers are likely to be detrimental for survival.
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Lemaître J, Pavard S, Giraudeau M, Vincze O, Jennings G, Hamede R, Ujvari B, Thomas F. Eco‐evolutionary perspectives of the dynamic relationships linking senescence and cancer. Funct Ecol 2019. [DOI: 10.1111/1365-2435.13394] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Jean‐François Lemaître
- Université de Lyon, F‐69000, Lyon; Université Lyon 1; CNRS, UMR5558 Laboratoire de Biométrie et Biologie Évolutive F‐69622 Villeurbanne France
| | - Samuel Pavard
- Unité Eco-anthropologie (EA), Muséum National d’Histoire Naturelle, CNRS 7206 Université Paris Diderot Paris France
| | | | - Orsolya Vincze
- Hungarian Department of Biology and Ecology, Evolutionary Ecology Group Babeş‐Bolyai University Cluj‐Napoca Romania
- Department of Tisza Research MTA Centre for Ecological Research Debrecen Hungary
| | - Geordie Jennings
- Centre for Integrative Ecology, School of Life and Environmental Sciences Deakin University Waurn Ponds Victoria Australia
- School of Natural Sciences University of Tasmania Hobart Tasmania Australia
| | - Rodrigo Hamede
- Centre for Integrative Ecology, School of Life and Environmental Sciences Deakin University Waurn Ponds Victoria Australia
- School of Natural Sciences University of Tasmania Hobart Tasmania Australia
| | - Beata Ujvari
- Centre for Integrative Ecology, School of Life and Environmental Sciences Deakin University Waurn Ponds Victoria Australia
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Abstract
The origin and subsequent maintenance of sex and recombination are among the most elusive and controversial problems in evolutionary biology. Here, we propose a novel hypothesis, suggesting that sexual reproduction not only evolved to reduce the negative effects of the accumulation of deleterious mutations and processes associated with pathogen and/or parasite resistance but also to prevent invasion by transmissible selfish neoplastic cheater cells, henceforth referred to as transmissible cancer cells. Sexual reproduction permits systematic change of the multicellular organism's genotype and hence an enhanced detection of transmissible cancer cells by immune system. Given the omnipresence of oncogenic processes in multicellular organisms, together with the fact that transmissible cancer cells can have dramatic effects on their host fitness, our scenario suggests that the benefits of sex and concomitant recombination will be large and permanent, explaining why sexual reproduction is, despite its costs, the dominant mode of reproduction among eukaryotes.
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