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Lockwood C, Vo AS, Bellafard H, Carter AJR. More evidence for widespread antagonistic pleiotropy in polymorphic disease alleles. Front Genet 2024; 15:1404516. [PMID: 38952711 PMCID: PMC11215129 DOI: 10.3389/fgene.2024.1404516] [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: 03/21/2024] [Accepted: 05/29/2024] [Indexed: 07/03/2024] Open
Abstract
Introduction Many loci segregate alleles classified as "genetic diseases" due to their deleterious effects on health. However, some disease alleles have been reported to show beneficial effects under certain conditions or in certain populations. The beneficial effects of these antagonistically pleiotropic alleles may explain their continued prevalence, but the degree to which antagonistic pleiotropy is common or rare is unresolved. We surveyed the medical literature to identify examples of antagonistic pleiotropy to help determine whether antagonistic pleiotropy appears to be rare or common. Results We identified ten examples of loci with polymorphisms for which the presence of antagonistic pleiotropy is well supported by detailed genetic or epidemiological information in humans. One additional locus was identified for which the supporting evidence comes from animal studies. These examples complement over 20 others reported in other reviews. Discussion The existence of more than 30 identified antagonistically pleiotropic human disease alleles suggests that this phenomenon may be widespread. This poses important implications for both our understanding of human evolutionary genetics and our approaches to clinical treatment and disease prevention, especially therapies based on genetic modification.
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Affiliation(s)
| | | | | | - Ashley J. R. Carter
- California State University Long Beach, Department of Biological Sciences, Long Beach, CA, United States
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2
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Zhong C, Wang H, Yuan X, He Y, Cong J, Yang R, Ma W, Gao L, Gao C, Cui Y, Wu J, Tan R, Pu D. The crucial role of HFM1 in regulating FUS ubiquitination and localization for oocyte meiosis prophase I progression in mice. Biol Res 2024; 57:36. [PMID: 38822414 PMCID: PMC11140966 DOI: 10.1186/s40659-024-00518-w] [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: 02/04/2024] [Accepted: 05/16/2024] [Indexed: 06/03/2024] Open
Abstract
BACKGROUND Helicase for meiosis 1 (HFM1), a putative DNA helicase expressed in germ-line cells, has been reported to be closely associated with premature ovarian insufficiency (POI). However, the underlying molecular mechanism has not been clearly elucidated. The aim of this study was to investigate the function of HFM1 in the first meiotic prophase of mouse oocytes. RESULTS The results suggested that the deficiency of HFM1 resulting in increased apoptosis and depletion of oocytes in mice, while the oocytes were arrested in the pachytene stage of the first meiotic prophase. In addition, impaired DNA double-strand break repair and disrupted synapsis were observed in the absence of HFM1. Further investigation revealed that knockout of HFM1 promoted ubiquitination and degradation of FUS protein mediated by FBXW11. Additionally, the depletion of HFM1 altered the intranuclear localization of FUS and regulated meiotic- and oocyte development-related genes in oocytes by modulating the expression of BRCA1. CONCLUSIONS These findings elaborated that the critical role of HFM1 in orchestrating the regulation of DNA double-strand break repair and synapsis to ensure meiosis procession and primordial follicle formation. This study provided insights into the pathogenesis of POI and highlighted the importance of HFM1 in maintaining proper meiotic function in mouse oocytes.
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Affiliation(s)
- Chenyi Zhong
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital/Jiangsu Women and Children Health Hospital, Nanjing, 210036, China
- State Key Laboratory of Reproductive Medicine and Offspring Health, Center of Reproduction and Genetics, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, 215002, China
| | - Huiyuan Wang
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital/Jiangsu Women and Children Health Hospital, Nanjing, 210036, China
| | - Xiong Yuan
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital/Jiangsu Women and Children Health Hospital, Nanjing, 210036, China
| | - Yuheng He
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital/Jiangsu Women and Children Health Hospital, Nanjing, 210036, China
| | - Jing Cong
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital/Jiangsu Women and Children Health Hospital, Nanjing, 210036, China
| | - Rui Yang
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital/Jiangsu Women and Children Health Hospital, Nanjing, 210036, China
| | - Wenjie Ma
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital/Jiangsu Women and Children Health Hospital, Nanjing, 210036, China
| | - Li Gao
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital/Jiangsu Women and Children Health Hospital, Nanjing, 210036, China
| | - Chao Gao
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital/Jiangsu Women and Children Health Hospital, Nanjing, 210036, China
| | - Yugui Cui
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital/Jiangsu Women and Children Health Hospital, Nanjing, 210036, China
| | - Jie Wu
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital/Jiangsu Women and Children Health Hospital, Nanjing, 210036, China.
| | - Rongrong Tan
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital/Jiangsu Women and Children Health Hospital, Nanjing, 210036, China.
| | - Danhua Pu
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University/Jiangsu Province Hospital/Jiangsu Women and Children Health Hospital, Nanjing, 210036, China.
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3
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Tanaka H, Motooka Y, Maeda Y, Sonehara R, Nakamura T, Kajiyama H, Mashimo T, Toyokuni S. Brca2(p.T1942fs/+) dissipates ovarian reserve in rats through oxidative stress in follicular granulosa cells. Free Radic Res 2024; 58:130-143. [PMID: 38394084 DOI: 10.1080/10715762.2024.2320405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 11/16/2023] [Indexed: 02/25/2024]
Abstract
Pathogenic variants of BRCA1/2 constitute hereditary breast and ovarian cancer (HBOC) syndrome, and BRCA1/2 mutant is a risk for various cancers. Whereas the clinical guideline for HBOC patients has been organized for the therapy and prevention of cancer, there is no recommendation on the female reproductive discipline. Indeed, the role of BRCA1/2 pathogenic variants in ovarian reserve has not been established due to the deficiency of appropriate animal models. Here, we used a rat model of Brca2(p.T1942fs/+) mutant of Sprague-Dawley strain with CRISPR-Cas9 editing to evaluate ovarian reserve in females. Fertility and ovarian follicles were evaluated and anti-Müllerian hormone (AMH) was measured at 8-32 weeks of age with a comparison between the wild-type and the mutant rats (MUT). MUT revealed a significantly smaller number of deliveries with fewer total pups. Furthermore, MUT showed a significant decrease in primordial follicles at 20 weeks and a low AMH level at 28 weeks. RNA-sequencing of the ovary at 10 weeks detected acceleration of the DNA damage repair pathway, which was accompanied by oxidative stress-induced DNA double-strand breaks, a decrease in PTEN, and an increase in mTOR in follicular granulosa cells. In conclusion, Brca2(p.T1942fs/+) dissipates primordial follicles via early activation of granulosa cells through oxidative stress, leading to earlier termination of fertility.
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Affiliation(s)
- Hideaki Tanaka
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan
- Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yashiro Motooka
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yuki Maeda
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Reina Sonehara
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan
- Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Tomoko Nakamura
- Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Hiroaki Kajiyama
- Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Tomoji Mashimo
- Division of Animal Genetics, Laboratory Animal Research Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
- Division of Genome Engineering, Center for Experimental Medicine and Systems Biology, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Shinya Toyokuni
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan
- Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Japan
- Center for Integrated Sciences of Low-temperature Plasma Core Research (iPlasma Core), Tokai National Higher Education and Research System, Nagoya, Japan
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4
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Trumble BC, Charifson M, Kraft T, Garcia AR, Cummings DK, Hooper P, Lea AJ, Eid Rodriguez D, Koebele SV, Buetow K, Beheim B, Minocher R, Gutierrez M, Thomas GS, Gatz M, Stieglitz J, Finch CE, Kaplan H, Gurven M. Apolipoprotein-ε 4 is associated with higher fecundity in a natural fertility population. SCIENCE ADVANCES 2023; 9:eade9797. [PMID: 37556539 PMCID: PMC10411886 DOI: 10.1126/sciadv.ade9797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 07/11/2023] [Indexed: 08/11/2023]
Abstract
In many populations, the apolipoprotein-ε4 (APOE-ε4) allele increases the risk for several chronic diseases of aging, including dementia and cardiovascular disease; despite these harmful effects at later ages, the APOE-ε4 allele remains prevalent. We assess the impact of APOE-ε4 on fertility and its proximate determinants (age at first reproduction, interbirth interval) among the Tsimane, a natural fertility population of forager-horticulturalists. Among 795 women aged 13 to 90 (20% APOE-ε4 carriers), those with at least one APOE-ε4 allele had 0.3 to 0.5 more children than (ε3/ε3) homozygotes, while those with two APOE-ε4 alleles gave birth to 1.4 to 2.1 more children. APOE-ε4 carriers achieve higher fertility by beginning reproduction 0.8 years earlier and having a 0.23-year shorter interbirth interval. Our findings add to a growing body of literature suggesting a need for studies of populations living in ancestrally relevant environments to assess how alleles that are deleterious in sedentary urban environments may have been maintained by selection throughout human evolutionary history.
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Affiliation(s)
- Benjamin C. Trumble
- School of Human Evolution and Social Change, Arizona State University, Tempe, AZ, USA
- Center for Evolution and Medicine, Arizona State University, Tempe, AZ, USA
| | - Mia Charifson
- Department of Population Health, New York University Grossman School of Medicine, New York City, NY, USA
| | - Tom Kraft
- Anthropology Department, University of Utah, Salt Lake City, UT, USA
| | - Angela R. Garcia
- Center for Evolution and Medicine, Arizona State University, Tempe, AZ, USA
- Scientific Research Core, Phoenix Children's Hospital, Phoenix, AZ, USA
- Department of Child Health, University of Arizona, Tucson, AZ, USA
| | - Daniel K. Cummings
- Department of Health Economics and Anthropology, Economic Science Institute, Argyros School of Business and Economics, Chapman University, Orange, CA, USA
| | - Paul Hooper
- Department of Health Economics and Anthropology, Economic Science Institute, Argyros School of Business and Economics, Chapman University, Orange, CA, USA
| | - Amanda J. Lea
- Child and Brain Development Program, Canadian Institute for Advanced Research, Toronto, Ontario, Canada
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
| | | | | | - Kenneth Buetow
- Center for Evolution and Medicine, Arizona State University, Tempe, AZ, USA
- School of Life Sciences, Arizona State University, Tempe, AZ, USA
| | - Bret Beheim
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Riana Minocher
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | | | - Gregory S. Thomas
- MemorialCare Health System, Fountain Valley, CA, USA
- University of California, Irvine, CA, USA
| | - Margaret Gatz
- Center for Economic and Social Research, University of Southern California, Los Angeles, CA, USA
| | - Jonathan Stieglitz
- Institute for Advanced Study in Toulouse, Université Toulouse 1 Capitole, Toulouse, France
| | - Caleb E. Finch
- Leonard Davis School of Gerontology and Dornsife College, University of Southern California, Los Angeles, CA, USA
| | - Hillard Kaplan
- Department of Health Economics and Anthropology, Economic Science Institute, Argyros School of Business and Economics, Chapman University, Orange, CA, USA
| | - Michael Gurven
- Department of Anthropology, University of California Santa Barbara, Santa Barbara, CA, USA
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5
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Should Preimplantation Genetic Testing (PGT) Systematically Be Proposed to BRCA Pathogenic Variant Carriers? Cancers (Basel) 2022; 14:cancers14235769. [PMID: 36497251 PMCID: PMC9739906 DOI: 10.3390/cancers14235769] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/16/2022] [Accepted: 11/19/2022] [Indexed: 11/25/2022] Open
Abstract
Over the past years, BRCA genes pathogenic variants have been associated to reproductive issues. Indeed, evidence indicate that BRCA-mutated patients are not only at higher risk of developing malignancies, but may also present a reduction of the follicular stockpile. Given these characteristics, BRCA patients may be candidates to fertility preservation (FP) techniques or preimplantation genetic testing (PGT) to avoid the transmission of this inherited situation. Since the success rates of both procedures are highly related to the number of oocytes that could be recovered after ovarian stimulation, predicted by ovarian reserve tests, they are ideally performed before the diagnosis of cancer and its treatment. Despite the specific reproductive challenges related to BRCA status, no international guidelines for the application of PGT and FP in this subgroup of patients is currently available. The present article aims to review the available data regarding BRCA carriers' ovarian reserve and PGT success rates in oncologic and non-oncologic contexts, to determine the actual indication of PGT and further to improve patients' care pathway.
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6
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C.E DK, C. VTT, J.C. EM, G.W.M. LE, Irene H, Mariette G, J.T. VGR, Willem V, D. LK, J.M. BF, M.E. BA. The Impact of BRCA1- and BRCA2 Mutations on Ovarian Reserve Status. Reprod Sci 2022; 30:270-282. [PMID: 35705781 PMCID: PMC9810575 DOI: 10.1007/s43032-022-00997-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 06/02/2022] [Indexed: 01/07/2023]
Abstract
This study aimed to investigate whether female BRCA1- and BRCA2 mutation carriers have a reduced ovarian reserve status, based on serum anti-Mullerian hormone (AMH) levels, antral follicle count (AFC) and ovarian response to ovarian hyperstimulation. A prospective, multinational cohort study was performed between October 2014 and December 2019. Normo-ovulatory women, aged 18-41 years old, applying for their first PGT-cycle for reason of a BRCA mutation (cases) or other genetic diseases unrelated to ovarian reserve (controls), were asked to participate. All participants underwent a ICSI-PGT cycle with a long-agonist protocol for controlled ovarian hyperstimulation. Linear and logistic regression models were used to compare AMH, AFC and ovarian response in cases and controls. Sensitivity analyses were conducted on BRCA1- and BRCA2 mutation carrier subgroups. Thirty-six BRCA mutation carriers (18 BRCA1- and 18 BRCA2 mutation carriers) and 126 controls, with mean female age 30.4 years, were included in the primary analysis. Unadjusted median AMH serum levels (IQR) were 2.40 (1.80-3.00) ng/ml in BRCA mutation carriers and 2.15 (1.30-3.40) ng/ml in controls (p = 0.45), median AFC (IQR) was 15.0 (10.8-20.3) and 14.5 (9.0-20.0), p = 0.54, respectively. Low response rate was 22.6% among BRCA mutation carriers and 9.3% among controls, p = 0.06. Median number of retrieved oocytes was 9 (6-14) in carriers and 10 (7-13) in controls, p = 0.36. No substantial differences were observed between BRCA1- and BRCA2 mutation carriers. Based on several biomarkers, no meaningful differences in ovarian reserve status were observed in female BRCA mutation carriers compared to controls in the context of ICSI-PGT treatment.
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Affiliation(s)
- Drechsel Katja C.E
- Department of Reproductive Medicine, University Medical Centre Utrecht, Utrecht University, Heidelberglaan 100, PO Box 85500, 3508 GA Utrecht, The Netherlands
| | - van Tilborg Theodora C.
- Department of Reproductive Medicine, University Medical Centre Utrecht, Utrecht University, Heidelberglaan 100, PO Box 85500, 3508 GA Utrecht, The Netherlands
| | - Eijkemans Marinus J.C.
- Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht University, Heidelberglaan 100, PO Box 85500, 3508 GA Utrecht, The Netherlands
| | - Lentjes Eef G.W.M.
- Central Diagnostic Laboratory (CDL), University Medical Centre Utrecht, Utrecht University, Heidelberglaan 100, PO Box 85500, 3508 GA Utrecht, The Netherlands
| | - Homminga Irene
- Department of Obstetrics and Gynaecology, Section Reproductive Medicine, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9700 RB Groningen, The Netherlands
| | - Goddijn Mariette
- Department of Obstetrics and Gynaecology, Centre for Reproductive Medicine Amsterdam UMC, University of Amsterdam, Meibergdreef 9, AZ 1105 Amsterdam, The Netherlands
| | - van Golde Ron J.T.
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, P.O. Box 5800, 6202 AZ Maastricht, The Netherlands ,GROW - School for Oncology and Developmental Biology, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - Verpoest Willem
- Centre for Reproductive Medicine, Universitair Ziekenhuis Brussel, Laarbeeklaan 101, 1090 Brussels, Belgium
| | - Lichtenbelt Klaske D.
- Department of Genetics, University Medical Centre Utrecht, Heidelberglaan 100, 3508 GA Utrecht, The Netherlands
| | - Broekmans Frank J.M.
- Department of Reproductive Medicine, University Medical Centre Utrecht, Utrecht University, Heidelberglaan 100, PO Box 85500, 3508 GA Utrecht, The Netherlands
| | - Bos Anna M.E.
- Department of Reproductive Medicine, University Medical Centre Utrecht, Utrecht University, Heidelberglaan 100, PO Box 85500, 3508 GA Utrecht, The Netherlands
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Achimas-Cadariu P, Kubelac P, Irimie A, Berindan-Neagoe I, Rühli F. Evolutionary perspectives, heterogeneity and ovarian cancer: a complicated tale from past to present. J Ovarian Res 2022; 15:67. [PMID: 35659345 PMCID: PMC9164402 DOI: 10.1186/s13048-022-01004-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 05/24/2022] [Indexed: 11/21/2022] Open
Abstract
Ovarian cancer is composed of a complex system of cells best described by features such as clonal evolution, spatial and temporal genetic heterogeneity, and development of drug resistance, thus making it the most lethal gynecologic cancer. Seminal work on cancer as an evolutionary process has a long history; however, recent cost-effective large-scale molecular profiling has started to provide novel insights coupled with the development of mathematical algorithms. In the current review, we have systematically searched for articles that focused on the clonal evolution of ovarian cancer to offer the whole landscape of research that has been done and highlight future research avenues given its characteristic features and connections to evolutionary biology.
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Affiliation(s)
- Patriciu Achimas-Cadariu
- Department of Surgery, The Oncology Institute 'Prof. Dr. Ion Chiricuta', 34-36 Republicii street, 400015 , Cluj-Napoca, Romania. .,Department of Oncology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.
| | - Paul Kubelac
- Department of Oncology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Department of Medical Oncology, The Oncology Institute 'Prof. Dr. Ion Chiricuta', Cluj-Napoca, Romania
| | - Alexandru Irimie
- Department of Surgery, The Oncology Institute 'Prof. Dr. Ion Chiricuta', 34-36 Republicii street, 400015 , Cluj-Napoca, Romania.,Department of Oncology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Ioana Berindan-Neagoe
- Research Centre for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Research Center for Advanced Medicine Medfuture, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Department of Functional Genomics and Experimental Pathology, The Oncology Institute 'Prof. Dr. Ion Chiricuta', Cluj-Napoca, Romania
| | - Frank Rühli
- Institute of Evolutionary Medicine, Zurich, Switzerland
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8
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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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9
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Werner H. BRCA1: An Endocrine and Metabolic Regulator. Front Endocrinol (Lausanne) 2022; 13:844575. [PMID: 35432218 PMCID: PMC9009035 DOI: 10.3389/fendo.2022.844575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 03/07/2022] [Indexed: 11/13/2022] Open
Abstract
The breast and ovarian cancer susceptibility gene (BRCA1) is a tumor suppressor whose mutation has been associated with the development of breast, ovarian and, probably, other malignancies at young ages. The BRCA1 gene product participates in multiple biological pathways including the DNA damage response, transcriptional control, cell growth and apoptosis. Inactivating germline mutations of the BRCA1 gene can be detected in a substantial portion of families with inherited breast and/or ovarian cancer. While the genomic and cancer-related actions of BRCA1 have been extensively investigated, not much information exists regarding the cellular and circulating factors involved in regulation of BRCA1 expression and action. The present review article dissects the emerging role of BRCA1 as an important regulator of various endocrine and metabolic axes. Experimental and clinical evidence links BRCA1 with a number of peptide and steroid hormones. Furthermore, comprehensive analyses identified complex interactions between the insulin/insulin-like growth factor-1 (IGF1) signaling axis and BRCA1. The correlation between metabolic disorders, including diabetes and the metabolic syndrome, and BRCA1 mutations, are discussed in this article.
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10
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Ermini L, Francis JC, Rosa GS, Rose AJ, Ning J, Greaves M, Swain A. Evolutionary selection of alleles in the melanophilin gene that impacts on prostate organ function and cancer risk. EVOLUTION MEDICINE AND PUBLIC HEALTH 2021; 9:311-321. [PMID: 34754452 PMCID: PMC8573191 DOI: 10.1093/emph/eoab026] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 09/03/2021] [Indexed: 11/21/2022]
Abstract
Background and objectives Several hundred inherited genetic variants or SNPs that alter the risk of cancer have been identified through genome-wide association studies. In populations of European ancestry, these variants are mostly present at relatively high frequencies. To gain insight into evolutionary origins, we screened a series of genes and SNPs linked to breast or prostate cancer for signatures of historical positive selection. Methodology We took advantage of the availability of the 1000 genome data and we performed genomic scans for positive selection in five different Caucasian populations as well as one African reference population. We then used prostate organoid cultures to provide a possible functional explanation for the interplay between the action of evolutionary forces and the disease risk association. Results Variants in only one gene showed genomic signatures of positive, evolutionary selection within Caucasian populations melanophilin (MLPH). Functional depletion of MLPH in prostate organoids, by CRISPR/Cas9 mutation, impacted lineage commitment of progenitor cells promoting luminal versus basal cell differentiation and on resistance to androgen deprivation. Conclusions and implications The MLPH variants influencing prostate cancer risk may have been historically selected for their adaptive benefit on skin pigmentation but MLPH is highly expressed in the prostate and the derivative, positively selected, alleles decrease the risk of prostate cancer. Our study suggests a potential functional mechanism via which MLPH and its genetic variants could influence risk of prostate cancer, as a serendipitous consequence of prior evolutionary benefits to another tissue. Lay Summary We screened a limited series of genomic variants associated with breast and prostate cancer risk for signatures of historical positive selection. Variants within the melanophilin (MLPH) gene fell into this category. Depletion of MLPH in prostate organoid cultures, suggested a potential functional mechanism for impacting on cancer risk, as a serendipitous consequence of prior evolutionary benefits to another tissue.
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Affiliation(s)
- Luca Ermini
- Centre for Evolution and Cancer, The Institute of Cancer Research, London, UK
| | - Jeffrey C Francis
- Division of Cancer Biology, The Institute of Cancer Research, London, UK
| | - Gabriel S Rosa
- Division of Cancer Biology, The Institute of Cancer Research, London, UK
| | - Alexandra J Rose
- Division of Cancer Biology, The Institute of Cancer Research, London, UK
| | - Jian Ning
- Division of Cancer Biology, The Institute of Cancer Research, London, UK.,Tumour Profiling Unit, The Institute of Cancer Research, London, UK
| | - Mel Greaves
- Centre for Evolution and Cancer, The Institute of Cancer Research, London, UK
| | - Amanda Swain
- Division of Cancer Biology, The Institute of Cancer Research, London, UK.,Tumour Profiling Unit, The Institute of Cancer Research, London, UK
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11
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Wang X, Wang SM. DNA damage repair system in C57BL/6 J mice is evolutionarily stable. BMC Genomics 2021; 22:669. [PMID: 34535077 PMCID: PMC8447752 DOI: 10.1186/s12864-021-07983-7] [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: 06/03/2021] [Accepted: 09/03/2021] [Indexed: 11/24/2022] Open
Abstract
Background DNA damage repair (DDR) system is vital in maintaining genome stability and survival. DDR consists of over 160 genes in 7 different pathways to repair specific type of DNA damage caused by external and internal damaging factors. The functional importance of DDR system implies that evolution could play important roles in maintaining its functional intactness to perform its function. Indeed, it has been observed that positive selection is present in BRCA1 and BRCA2 (BRCA), which are key genes in homologous recombination pathway of DDR system, in the humans and its close relatives of chimpanzee and bonobos. Efforts have been made to investigate whether the same selection could exist for BRCA in other mammals but found no evidence so far. However, as most of the studies in non-human mammals analyzed only a single or few individuals in the studied species, the observation may not reflect the true status in the given species. Furthermore, few studies have studied evolution selection in other DDR genes except BRCA. In current study, we used laboratory mouse C57BL/6 J as a model to address evolution selection on DDR genes in non-primate mammals by dynamically monitoring genetic variation across 30 generations in C57BL/6 J. Results Using exome sequencing, we collected coding sequences of 169 DDR genes from 44 C57BL/6 J individual genomes in 2018. We compared the coding sequences with the mouse reference genome sequences derived from 1998 C57BL/6 J DNA, and with the mouse Eve6B reference genome sequences derived from 2003 C57BL/6 J DNA, covering 30 generations of C57BL/6 J from 1998 to 2018. We didn’t identify meaningful coding variation in either Brca1 or Brca2, or in 167 other DDR genes across the 30 generations. In the meantime, we did identify 812 coding variants in 116 non-DNA damage repair genes during the same period, which served as a quality control to validate the reliability of our analytic pipeline and the negative results in DDR genes. Conclusions DDR genes in laboratory mouse strain C57BL/6 J were not under positive selection across its 30-generation period, highlighting the possibility that DDR system in rodents could be evolutionarily stable. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-021-07983-7.
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Affiliation(s)
- Xiaoyu Wang
- Cancer Centre and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau
| | - San Ming Wang
- Cancer Centre and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau.
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12
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Buonomo B, Massarotti C, Dellino M, Anserini P, Ferrari A, Campanella M, Magnotti M, De Stefano C, Peccatori FA, Lambertini M. Reproductive issues in carriers of germline pathogenic variants in the BRCA1/2 genes: an expert meeting. BMC Med 2021; 19:205. [PMID: 34503502 PMCID: PMC8431919 DOI: 10.1186/s12916-021-02081-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 08/02/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Healthy individuals and patients with cancer who are carriers of germline pathogenic variants in the BRCA1/2 genes face multiple reproductive challenges that require appropriate counseling and specific expertise. MAIN BODY On December 5th-7th, 2019, patient advocates and physicians with expertise in the field of reproductive medicine, fertility preservation, and oncology were invited to "San Giuseppe Moscati" Hospital in Avellino (Italy) for a workshop on reproductive management of women with germline pathogenic variants in the BRCA1/2 genes. From the discussion regarding the current evidence and future prospective in the field, eight main research questions were formulated and eight recommendations were developed regarding fertility, fertility preservation, preimplantation genetic testing, and pregnancy in healthy carriers and patients with cancer. CONCLUSION Several misconceptions about the topic persist among health care providers and patients often resulting in a discontinuous and suboptimal management. With the aim to offer patient-tailored counseling about reproductive issues, both awareness of current evidences and research should be promoted.
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Affiliation(s)
- Barbara Buonomo
- Fertility and Procreation Unit, Gynecologic Oncology Program, European Institute of Oncology IRCCS, Milan, Italy
| | - Claudia Massarotti
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DiNOGMI), School of Medicine, University of Genova, Genova, Italy.,Academic Unit of Obstetrics and Gynaecology, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Miriam Dellino
- Gynecologic Oncology Unit, IRCCS Istituto Tumori "Giovanni Paolo II", Bari, Italy
| | - Paola Anserini
- Physiopathology of Human Reproduction Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Alberta Ferrari
- Department of Surgical Sciences, General Surgery III-Breast Surgery, Fondazione IRCCS Policlinico San Matteo, and Department of Clinical Surgical Sciences, University of Pavia, Pavia, Italy
| | - Maria Campanella
- aBRCAdabra, National Patient Advocacy Association for carriers of BRCA genes mutation, Palermo, Italy
| | - Mirosa Magnotti
- ACTO Campania, Alleanza Contro il Tumore Ovarico, Avellino, Italy
| | - Cristofaro De Stefano
- Department of Women's and Children's Health, "San Giuseppe Moscati" Hospital, Avellino, Italy
| | - Fedro Alessandro Peccatori
- Fertility and Procreation Unit, Gynecologic Oncology Program, European Institute of Oncology IRCCS, Milan, Italy
| | - Matteo Lambertini
- Department of Internal Medicine and Medical Specialties (DiMI), School of Medicine, University of Genova, Genova, Italy. .,Department of Medical Oncology, UOC Clinica di Oncologia Medica, IRCCS Ospedale Policlinico San Martino, Genova, Italy.
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13
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Filice DCS. CANCER AND EVOLUTION: A STORY OF CHEATERS AND REBELS. Evolution 2021; 75:2317-2320. [PMID: 37139875 DOI: 10.1111/evo.14311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 07/12/2021] [Indexed: 11/28/2022]
Affiliation(s)
- David C. S. Filice
- Lyman Briggs College Michigan State University East Lansing Michigan 48825
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14
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Barnoud T, Indeglia A, Murphy ME. Shifting the paradigms for tumor suppression: lessons from the p53 field. Oncogene 2021; 40:4281-4290. [PMID: 34103683 PMCID: PMC8238873 DOI: 10.1038/s41388-021-01852-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 05/05/2021] [Accepted: 05/20/2021] [Indexed: 01/20/2023]
Abstract
The TP53 gene continues to hold distinction as the most frequently mutated gene in cancer. Since its discovery in 1979, hundreds of research groups have devoted their efforts toward understanding why this gene is so frequently selected against by tumors, with the hopes of harnessing this information toward improved therapy of cancer. The result is that this protein has been meticulously analyzed in tumor and normal cells, resulting in over one hundred thousand publications, with an average of five thousand papers published on p53 every year for the past decade. The journey toward understanding p53 function has been anything but straightforward; in fact, the field is notable for the numerous times that established paradigms not only have been shifted, but in fact have been shattered or reversed. In this review, we will discuss the manuscripts, or series of manuscripts, that have most radically changed our thinking about how this tumor suppressor functions, and we will delve into the emerging challenges for the future in this important area of research. It is hoped that this review will serve as a useful historical reference for those interested in p53, and a useful lesson on the need to be flexible in the face of established paradigms.
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Affiliation(s)
- Thibaut Barnoud
- Program in Molecular and Cellular Oncogenesis, The Wistar Institute, Philadelphia, PA, USA
| | - Alexandra Indeglia
- Program in Molecular and Cellular Oncogenesis, The Wistar Institute, Philadelphia, PA, USA.,Department of Biochemistry and Molecular Biophysics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Maureen E Murphy
- Program in Molecular and Cellular Oncogenesis, The Wistar Institute, Philadelphia, PA, USA.
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15
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Voskarides K. Broadening the spectrum of cancer genes under selection in human populations. FASEB Bioadv 2021; 3:275-277. [PMID: 33842852 PMCID: PMC8019256 DOI: 10.1096/fba.2020-00150] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 01/17/2021] [Accepted: 03/12/2021] [Indexed: 11/11/2022] Open
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16
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Corrado G, Marchetti C, Trozzi R, Scambia G, Fagotti A. Fertility preservation in patients with BRCA mutations or Lynch syndrome. Int J Gynecol Cancer 2021; 31:332-338. [PMID: 33649002 DOI: 10.1136/ijgc-2020-002071] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 12/02/2020] [Accepted: 12/04/2020] [Indexed: 12/20/2022] Open
Abstract
Guidelines and expert consensus are lacking on fertility preservation in BRCA mutation carriers and in patients with Lynch syndrome. The safety of fertility preservation in this setting is still a topic of debate and multiple factors need to be carefully considered. The aim of this review was to analyze the reproductive potential of women harboring a genetic mutation affecting the DNA repair system and explore the efficacy and safety of existing fertility preservation strategies in these patients.
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Affiliation(s)
- Giacomo Corrado
- Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy
| | - Claudia Marchetti
- Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy
| | - Rita Trozzi
- Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy
| | - Giovanni Scambia
- Istituto di Ostetricia e Ginecologia, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy.,Universita Cattolica del Sacro Cuore Facolta di Medicina e Chirurgia, Rome, Italy
| | - Anna Fagotti
- Istituto di Ostetricia e Ginecologia, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy.,Universita Cattolica del Sacro Cuore Facolta di Medicina e Chirurgia, Rome, Italy
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17
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Pavard S, Coste CFD. Evolutionary demographic models reveal the strength of purifying selection on susceptibility alleles to late-onset diseases. Nat Ecol Evol 2021; 5:392-400. [PMID: 33398109 DOI: 10.1038/s41559-020-01355-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Accepted: 10/22/2020] [Indexed: 01/28/2023]
Abstract
Assessing the role played by purifying selection on a susceptibility allele to late-onset disease (SALOD) is crucial to understanding the puzzling allelic spectrum of a disease, because most alleles are recent and rare. This fact is surprising because it suggests that alleles are under purifying selection while those that are involved in post-menopause mortality are often considered neutral in the genetic literature. The aim of this article is to use an evolutionary demography model to assess the magnitude of selection on SALODs while accounting for epidemiological and sociocultural factors. We develop an age-structured population model allowing for the calculation of SALOD selection coefficients (1) for a large and realistic parameter space for disease onset, (2) in a two-sex model in which men can reproduce in old age and (3) for situations in which child survival depends on maternal, paternal and grandmaternal care. The results show that SALODs are under purifying selection for most known age-at-onset distributions of late-onset genetic diseases. Estimates regarding various genes involved in susceptibility to cancer or Huntington's disease demonstrate that negative selection largely overcomes the effects of drift in most human populations. This is also probably true for neurodegenerative or polycystic kidney diseases, although sociocultural factors modulate the effect of selection in these cases. We conclude that neutrality is probably the exception among alleles that have a deleterious effect in old age and that accounting for sociocultural factors is required to understand the full extent of the force of selection shaping senescence in humans.
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Affiliation(s)
- Samuel Pavard
- Unité 7206 Eco-anthropologie, Muséum National d'Histoire Naturelle, CNRS, Université de Paris, Paris, France.
| | - Christophe F D Coste
- Unité 7206 Eco-anthropologie, Muséum National d'Histoire Naturelle, CNRS, Université de Paris, Paris, France.,Department of Biology, Centre for Biodiversity Dynamics, Norwegian University of Science and Technology, Trondheim, Norway
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18
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Gnanapradeepan K, Leu JIJ, Basu S, Barnoud T, Good M, Lee JV, Quinn WJ, Kung CP, Ahima R, Baur JA, Wellen KE, Liu Q, Schug ZT, George DL, Murphy ME. Increased mTOR activity and metabolic efficiency in mouse and human cells containing the African-centric tumor-predisposing p53 variant Pro47Ser. eLife 2020; 9:e55994. [PMID: 33170774 PMCID: PMC7661039 DOI: 10.7554/elife.55994] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 10/28/2020] [Indexed: 01/24/2023] Open
Abstract
The Pro47Ser variant of p53 (S47) exists in African-descent populations and is associated with increased cancer risk in humans and mice. Due to impaired repression of the cystine importer Slc7a11, S47 cells show increased glutathione (GSH) accumulation compared to cells with wild -type p53. We show that mice containing the S47 variant display increased mTOR activity and oxidative metabolism, as well as larger size, improved metabolic efficiency, and signs of superior fitness. Mechanistically, we show that mTOR and its positive regulator Rheb display increased association in S47 cells; this is due to an altered redox state of GAPDH in S47 cells that inhibits its ability to bind and sequester Rheb. Compounds that decrease glutathione normalize GAPDH-Rheb complexes and mTOR activity in S47 cells. This study reveals a novel layer of regulation of mTOR by p53, and raises the possibility that this variant may have been selected for in early Africa.
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Affiliation(s)
- Keerthana Gnanapradeepan
- Program in Molecular and Cellular Oncogenesis, The Wistar InstitutePhiladelphiaUnited States
- Graduate Group in Biochemistry and Molecular Biophysics, Perelman School of Medicine, University of PennsylvaniaPhiladelphiaUnited States
| | - Julia I-Ju Leu
- Department of Genetics, Perelman School of Medicine, University of PennsylvaniaPhiladelphiaUnited States
| | - Subhasree Basu
- Program in Molecular and Cellular Oncogenesis, The Wistar InstitutePhiladelphiaUnited States
| | - Thibaut Barnoud
- Program in Molecular and Cellular Oncogenesis, The Wistar InstitutePhiladelphiaUnited States
| | - Madeline Good
- Program in Molecular and Cellular Oncogenesis, The Wistar InstitutePhiladelphiaUnited States
| | - Joyce V Lee
- Department of Cancer Biology, Perelman School of Medicine, University of PennsylvaniaPhiladelphiaUnited States
| | - William J Quinn
- Department of Physiology and Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of PennsylvaniaPhiladelphiaUnited States
| | - Che-Pei Kung
- Washington University in St. LouisSt LouisUnited States
| | - Rexford Ahima
- Division of Endocrinology, Diabetes & Metabolism, Johns Hopkins University School of MedicineBaltimoreUnited States
| | - Joseph A Baur
- Department of Physiology and Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of PennsylvaniaPhiladelphiaUnited States
| | - Kathryn E Wellen
- Department of Cancer Biology, Perelman School of Medicine, University of PennsylvaniaPhiladelphiaUnited States
| | - Qin Liu
- Program in Molecular and Cellular Oncogenesis, The Wistar InstitutePhiladelphiaUnited States
| | - Zachary T Schug
- Program in Molecular and Cellular Oncogenesis, The Wistar InstitutePhiladelphiaUnited States
| | - Donna L George
- Department of Genetics, Perelman School of Medicine, University of PennsylvaniaPhiladelphiaUnited States
| | - Maureen E Murphy
- Program in Molecular and Cellular Oncogenesis, The Wistar InstitutePhiladelphiaUnited States
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19
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Turan V, Oktay K. BRCA-related ATM-mediated DNA double-strand break repair and ovarian aging. Hum Reprod Update 2020; 26:43-57. [PMID: 31822904 DOI: 10.1093/humupd/dmz043] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 10/26/2019] [Accepted: 11/05/2019] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Oocyte aging has significant clinical consequences, and yet no treatment exists to address the age-related decline in oocyte quality. The lack of progress in the treatment of oocyte aging is due to the fact that the underlying molecular mechanisms are not sufficiently understood. BRCA1 and 2 are involved in homologous DNA recombination and play essential roles in ataxia telangiectasia mutated (ATM)-mediated DNA double-strand break (DSB) repair. A growing body of laboratory, translational and clinical evidence has emerged within the past decade indicating a role for BRCA function and ATM-mediated DNA DSB repair in ovarian aging. OBJECTIVE AND RATIONALE Although there are several competing or complementary theories, given the growing evidence tying BRCA function and ATM-mediated DNA DSB repair mechanisms in general to ovarian aging, we performed this review encompassing basic, translational and clinical work to assess the current state of knowledge on the topic. A clear understanding of the mechanisms underlying oocyte aging may result in targeted treatments to preserve ovarian reserve and improve oocyte quality. SEARCH METHODS We searched for published articles in the PubMed database containing key words, BRCA, BRCA1, BRCA2, Mutations, Fertility, Ovarian Reserve, Infertility, Mechanisms of Ovarian Aging, Oocyte or Oocyte DNA Repair, in the English-language literature until May 2019. We did not include abstracts or conference proceedings, with the exception of our own. OUTCOMES Laboratory studies provided robust and reproducible evidence that BRCA1 function and ATM-mediated DNA DSB repair, in general, weakens with age in oocytes of multiple species including human. In both women with BRCA mutations and BRCA-mutant mice, primordial follicle numbers are reduced and there is accelerated accumulation of DNA DSBs in oocytes. In general, women with BRCA1 mutations have lower ovarian reserves and experience earlier menopause. Laboratory evidence also supports critical role for BRCA1 and other ATM-mediated DNA DSB repair pathway members in meiotic function. When laboratory, translational and clinical evidence is considered together, BRCA-related ATM-mediated DNA DSB repair function emerges as a likely regulator of ovarian aging. Moreover, DNA damage and repair appear to be key features in chemotherapy-induced ovarian aging. WIDER IMPLICATIONS The existing data suggest that the BRCA-related ATM-mediated DNA repair pathway is a strong candidate to be a regulator of oocyte aging, and the age-related decline of this pathway likely impairs oocyte health. This knowledge may create an opportunity to develop targeted treatments to reverse or prevent physiological or chemotherapy-induced oocyte aging. On the immediate practical side, women with BRCA or similar mutations may need to be specially counselled for fertility preservation.
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Affiliation(s)
- Volkan Turan
- Department of Obstetrics and Gynecology, Uskudar University School of Medicine, Istanbul, Turkey.,Department of Obstetrics, Gynecology and Reproductive Sciences, Yale University School of Medicine, New Haven, CT, USA
| | - Kutluk Oktay
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale University School of Medicine, New Haven, CT, USA
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20
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Merlino L, Chiné A, Galli C, Piccioni MG. BRCA1/2 genes mutations, ovarian reserve and female reproductive outcomes: a systematic review of the literature. ACTA ACUST UNITED AC 2020; 72:339-348. [PMID: 32744451 DOI: 10.23736/s0026-4784.20.04624-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
INTRODUCTION BRCA1 and BRCA2 genes mutations seems to impact female fertility, in addition to increasing the risk of ovarian and breast cancer. Several studies had investigated this issue but data available are still controversial. In order to clarify the role of BRCA1 and BRCA2 mutations in female fertility and ovarian function we carried out a systematic review of the literature with the aim to establish a possible management's strategy of these patients. EVIDENCE ACQUISITION A review of current literature regarding BRCA mutation (BRCAm) and fertility was conducted using the PubMed tool to select remarkable articles with the keywords "BRCA1/2 gene," "BRCA1/2 mutation," "anti-Müllerian hormone," "female fertility," "ovarian reserve" and "premature ovarian failure." EVIDENCE SYNTHESIS In current literature there are controversial findings about the relation between BRCA genes mutations and lifespan of female reproductive age. Several studies showed an higher risk of premature ovarian insufficiency of BRCAs mutations carriers, according to lower serum AMH level, primordial follicle count, or fewer oocyte yield after ovarian stimulation; on the other hand more recent studies reported not significant differences in serum AMH level or in reproductive outcomes between mutated and non-mutated BRCA patients. For this reason, currently there is not a strict recommendation for routine evaluation of fertility in female carriers of BRCA mutations. Nevertheless, the strong advice to complete childbearing by age 40 and then to undergo a risk-reducing salpingo-oophorectomy and the increased risk of infertility as a result of anticancer treatment in breast cancer BRCAm patients, make the issue of fertility and pregnancy planning in these women worthy of consideration. CONCLUSIONS A dedicated counseling to discuss these issues, eventually associated with a personalized assessment of serum AMH or antral follicle count in order to have a panoramic view of ovarian reserve, may be useful in the management of these patients.
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Affiliation(s)
- Lucia Merlino
- Department of Maternal and Child Health and Urological Sciences, Umberto I Polyclinic Hospital, Sapienza University, Rome, Italy -
| | - Alessandra Chiné
- Department of Maternal and Child Health and Urological Sciences, Umberto I Polyclinic Hospital, Sapienza University, Rome, Italy
| | - Cecilia Galli
- Department of Maternal and Child Health and Urological Sciences, Umberto I Polyclinic Hospital, Sapienza University, Rome, Italy
| | - Maria G Piccioni
- Department of Maternal and Child Health and Urological Sciences, Umberto I Polyclinic Hospital, Sapienza University, Rome, Italy
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21
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Grynberg M, Dagher Hayeck B, Papanikolaou EG, Sifer C, Sermondade N, Sonigo C. BRCA1/2 gene mutations do not affect the capacity of oocytes from breast cancer candidates for fertility preservation to mature in vitro. Hum Reprod 2020; 34:374-379. [PMID: 30561604 DOI: 10.1093/humrep/dey358] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Accepted: 12/07/2018] [Indexed: 12/14/2022] Open
Abstract
STUDY QUESTION Are the maturation rates of oocytes recovered from small antral follicles different between breast cancer patients presenting with or without a BRCA 1/2 gene mutation? SUMMARY ANSWER BRCA 1/2 gene mutations do not affect the capacity of oocytes from breast cancer candidates for fertility preservation to mature in vitro. WHAT IS KNOWN ALREADY Mutations in the BRCA1 and BRCA2 genes are associated with an increased risk for developing breast and ovarian cancer. Controversy exists about fertility and ovarian reserve in BRCA mutation carriers. Studies suggest that these patients may have low ovarian reserve and poor response to ovarian stimulation. The impaired ability of the mutated BRCA gene to repair double-strand breaks in DNA may prompt oocyte aging, apoptosis and meiotic errors. IVM of oocytes retrieved at germinal vesicle stage, followed by vitrification of metaphase II (MII) oocytes has recently emerged as an option for young women seeking fertility preservation, when ovarian stimulation is unfeasible. STUDY DESIGN, SIZE, DURATION Retrospective cohort study involving 329 breast cancer candidates for fertility preservation using IVM between January 2014 and December 2017. PARTICIPANTS/MATERIALS, SETTING, METHODS Inclusion criteria were: age 18-40 years; two ovaries present; no history of chemotherapy; test for BRCA 1/2 mutations performed. Before immature oocyte retrieval, all follicles measuring 2-9 mm in diameter were precisely counted on both ovaries and serum anti-Müllerian hormone (AMH) was measured irrespective of the phase of the cycle. Number of cumulus oocyte complexes (COC) retrieved, maturation rate and number of MII oocytes cryopreserved were compared according to BRCA mutation status. MAIN RESULTS AND THE ROLE OF CHANCE Overall, BRCA-mutated women (n = 52) and BRCA-negative women (n = 277) were comparable in terms of age (31.7 ± 3.9 versus 32.3 ± 3.8 years, respectively, P = 0.3), BMI (23.4 ± 4.7 versus 22.6 ± 3.7 kg/m2, respectively, P = 0.3) and ovarian reserve tests (antral follicle count: 20.5 ± 11.4 versus 21.7 ± 12.1 follicles, P = 0.5; serum AMH levels: 3.6 ± 2.9 versus 4.1 ± 3.6 ng/ml, P = 0.3, respectively). The number of COCs retrieved did not differ significantly between both groups (8.9 ± 6.9 versus 9.9 ± 8.1 oocytes, P = 0.5). After similar IVM rates (67 ± 24 versus 62 ± 23%, P = 0.2), the number of MII oocytes cryopreserved was similar in patients presenting BRCA mutation or not (5.1 ± 3.8 versus 6.1 ± 5.1, P = 0.1, respectively). LIMITATIONS, REASONS FOR CAUTION Given the low incidence of the mutation, these preliminary findings should be confirmed by further multi-center studies. WIDER IMPLICATIONS OF THE FINDINGS Although BRCA mutations are known to alter DNA repair mechanism, it does not seem to impair oocyte capacity to mature in vitro. STUDY FUNDING/COMPETING INTEREST(s) None.
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Affiliation(s)
- Michaël Grynberg
- Department of Reproductive Medicine and Fertility Preservation, Hôpital Antoine Béclère, Hôpitaux Universitaires Paris Sud, Assistance Publique - Hôpitaux de Paris, Clamart, France.,Department of Reproductive Medicine and Fertility Preservation, Hôpital Jean Verdier, Hôpitaux Universitaires Paris-Seine-Saint-Denis, Assistance Publique- Hôpitaux de Paris, Bondy, France.,Université Paris-Sud, Université Paris Saclay, Le Kremlin Bicêtre, France.,Inserm U1133 Université Paris Diderot, Paris, France
| | - Bénédicte Dagher Hayeck
- Department of Reproductive Medicine and Fertility Preservation, Hôpital Jean Verdier, Hôpitaux Universitaires Paris-Seine-Saint-Denis, Assistance Publique- Hôpitaux de Paris, Bondy, France
| | | | - Christophe Sifer
- Department of Cytogenetic and Reproductive Biology, Hôpital Jean Verdier, Hôpitaux Universitaires Paris-Seine-Saint-Denis, Assistance Publique - Hôpitaux de Paris, Bondy, France
| | - Nathalie Sermondade
- Department of Cytogenetic and Reproductive Biology, Hôpital Jean Verdier, Hôpitaux Universitaires Paris-Seine-Saint-Denis, Assistance Publique - Hôpitaux de Paris, Bondy, France
| | - Charlotte Sonigo
- Department of Reproductive Medicine and Fertility Preservation, Hôpital Antoine Béclère, Hôpitaux Universitaires Paris Sud, Assistance Publique - Hôpitaux de Paris, Clamart, France.,Inserm U1185 Université Paris-Sud, Université Paris Saclay, Le Kremlin Bicêtre, France
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22
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Laisk T, Tšuiko O, Jatsenko T, Hõrak P, Otala M, Lahdenperä M, Lummaa V, Tuuri T, Salumets A, Tapanainen JS. Demographic and evolutionary trends in ovarian function and aging. Hum Reprod Update 2020; 25:34-50. [PMID: 30346539 DOI: 10.1093/humupd/dmy031] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 09/03/2018] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The human female reproductive lifespan is regulated by the dynamics of ovarian function, which in turn is influenced by several factors: from the basic molecular biological mechanisms governing folliculogenesis, to environmental and lifestyle factors affecting the ovarian reserve between conception and menopause. From a broader point of view, global and regional demographic trends play an additional important role in shaping the female reproductive lifespan, and finally, influences on an evolutionary scale have led to the reproductive senescence that precedes somatic senescence in humans. OBJECTIVE AND RATIONALE The narrative review covers reproductive medicine, by integrating the molecular mechanisms of ovarian function and aging with short-term demographic and long-term evolutionary trends. SEARCH METHODS PubMed and Google Scholar searches were performed with relevant keywords (menopause, folliculogenesis, reproductive aging, reproductive lifespan and life history theory). The reviewed articles and their references were restricted to those written in English. OUTCOMES We discuss and summarize the rapidly accumulating information from large-scale population-based and single-reproductive-cell genomic studies, their constraints and advantages in the context of female reproductive aging as well as their possible evolutionary significance on the life history trajectory from foetal-stage folliculogenesis until cessation of ovarian function in menopause. The relevant environmental and lifestyle factors and demographic trends are also discussed in the framework of predominant evolutionary hypotheses explaining the origin and maintenance of menopause. WIDER IMPLICATIONS The high speed at which new data are generated has so far raised more questions than it has provided solid answers and has been paralleled by a lack of satisfactory interpretations of the findings in the context of human life history theory. Therefore, the recent flood of data could offer an unprecedented tool for future research to possibly confirm or rewrite human evolutionary reproductive history, at the same time providing novel grounds for patient counselling and family planning strategies.
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Affiliation(s)
- Triin Laisk
- Competence Centre on Health Technologies, Tiigi 61b, Tartu, Estonia.,Institute of Clinical Medicine, Department of Obstetrics and Gynaecology, University of Tartu, L. Puusepa 8, Tartu, Estonia
| | - Olga Tšuiko
- Competence Centre on Health Technologies, Tiigi 61b, Tartu, Estonia.,Institute of Biomedicine and Translational Medicine, Department of Biomedicine, University of Tartu, Ravila 19, Tartu, Estonia
| | - Tatjana Jatsenko
- Competence Centre on Health Technologies, Tiigi 61b, Tartu, Estonia
| | - Peeter Hõrak
- Department of Zoology, University of Tartu, Vanemuise 46, Tartu, Estonia
| | - Marjut Otala
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 2, Helsinki, Finland
| | - Mirkka Lahdenperä
- Department of Biology, University of Turku, Turun yliopisto, Turku, Finland
| | - Virpi Lummaa
- Department of Biology, University of Turku, Turun yliopisto, Turku, Finland
| | - Timo Tuuri
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 2, Helsinki, Finland
| | - Andres Salumets
- Competence Centre on Health Technologies, Tiigi 61b, Tartu, Estonia.,Institute of Clinical Medicine, Department of Obstetrics and Gynaecology, University of Tartu, L. Puusepa 8, Tartu, Estonia.,Institute of Biomedicine and Translational Medicine, Department of Biomedicine, University of Tartu, Ravila 19, Tartu, Estonia.,Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 2, Helsinki, Finland
| | - Juha S Tapanainen
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 2, Helsinki, Finland.,Department of Obstetrics and Gynecology, University Hospital of Oulu, University of Oulu, Medical Research Center Oulu and PEDEGO Research Unit, OYS Oulu, Finland
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23
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Abstract
Between the 1930s and 1950s, scientists developed key principles of population genetics to try and explain the aging process. Almost a century later, these aging theories, including antagonistic pleiotropy and mutation accumulation, have been experimentally validated in animals. Although the theories have been much harder to test in humans despite research dating back to the 1970s, recent research is closing this evidence gap. Here we examine the strength of evidence for antagonistic pleiotropy in humans, one of the leading evolutionary explanations for the retention of genetic risk variation for non-communicable diseases. We discuss the analytical tools and types of data that are used to test for patterns of antagonistic pleiotropy and provide a primer of evolutionary theory on types of selection as a guide for understanding this mechanism and how it may manifest in other diseases. We find an abundance of non-experimental evidence for antagonistic pleiotropy in many diseases. In some cases, several studies have independently found corroborating evidence for this mechanism in the same or related sets of diseases including cancer and neurodegenerative diseases. Recent studies also suggest antagonistic pleiotropy may be involved in cardiovascular disease and diabetes. There are also compelling examples of disease risk variants that confer fitness benefits ranging from resistance to other diseases or survival in extreme environments. This provides increasingly strong support for the theory that antagonistic pleiotropic variants have enabled improved fitness but have been traded for higher burden of disease later in life. Future research in this field is required to better understand how this mechanism influences contemporary disease and possible consequences for their treatment.
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24
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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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25
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Thomas F, Giraudeau M, Renaud F, Ujvari B, Roche B, Pujol P, Raymond M, Lemaitre JF, Alvergne A. Can postfertile life stages evolve as an anticancer mechanism? PLoS Biol 2019; 17:e3000565. [PMID: 31805037 PMCID: PMC6917346 DOI: 10.1371/journal.pbio.3000565] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Revised: 12/17/2019] [Indexed: 12/14/2022] Open
Abstract
Why a postfertile stage has evolved in females of some species has puzzled evolutionary biologists for over 50 years. We propose that existing adaptive explanations have underestimated in their formulation an important parameter operating both at the specific and the individual levels: the balance between cancer risks and cancer defenses. During their life, most multicellular organisms naturally accumulate oncogenic processes in their body. In parallel, reproduction, notably the pregnancy process in mammals, exacerbates the progression of existing tumors in females. When, for various ecological or evolutionary reasons, anticancer defenses are too weak, given cancer risk, older females could not pursue their reproduction without triggering fatal metastatic cancers, nor even maintain a normal reproductive physiology if the latter also promotes the growth of existing oncogenic processes, e.g., hormone-dependent malignancies. At least until stronger anticancer defenses are selected for in these species, females could achieve higher inclusive fitness by ceasing their reproduction and/or going through menopause (assuming that these traits are easier to select than anticancer defenses), thereby limiting the risk of premature death due to metastatic cancers. Because relatively few species experience such an evolutionary mismatch between anticancer defenses and cancer risks, the evolution of prolonged life after reproduction could also be a rare, potentially transient, anticancer adaptation in the animal kingdom.
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Affiliation(s)
- Frédéric Thomas
- Centre de Recherches Ecologiques et Evolutives sur le Cancer/Centre de Recherches en Ecologie et Evolution de la Santé, Unité Mixte de Recherches, Institut de Recherches pour le Développement 224-Centre National de la Recherche Scientifique 5290-Université de Montpellier, Montpellier, France
| | - Mathieu Giraudeau
- Centre de Recherches Ecologiques et Evolutives sur le Cancer/Centre de Recherches en Ecologie et Evolution de la Santé, Unité Mixte de Recherches, Institut de Recherches pour le Développement 224-Centre National de la Recherche Scientifique 5290-Université de Montpellier, Montpellier, France
| | - François Renaud
- Centre de Recherches Ecologiques et Evolutives sur le Cancer/Centre de Recherches en Ecologie et Evolution de la Santé, Unité Mixte de Recherches, Institut de Recherches pour le Développement 224-Centre National de la Recherche Scientifique 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
| | - Benjamin Roche
- Centre de Recherches Ecologiques et Evolutives sur le Cancer/Centre de Recherches en Ecologie et Evolution de la Santé, Unité Mixte de Recherches, Institut de Recherches pour le Développement 224-Centre National de la Recherche Scientifique 5290-Université de Montpellier, Montpellier, France
- Unité mixte internationale de Modélisation Mathématique et Informatique des Systèmes Complexes, Unité Mixte de Recherches, Institut de Recherches pour le développement/Sorbonne Université, 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
| | - Pascal Pujol
- Centre de Recherches Ecologiques et Evolutives sur le Cancer/Centre de Recherches en Ecologie et Evolution de la Santé, Unité Mixte de Recherches, Institut de Recherches pour le Développement 224-Centre National de la Recherche Scientifique 5290-Université de Montpellier, Montpellier, France
- CHU Arnaud de Villeneuve, Montpellier, France
| | - Michel Raymond
- ISEM, Université de Montpellier, CNRS, IRD, EPHE, Montpellier, France
| | - Jean-François Lemaitre
- Centre National de la Recherche Scientifique, Unité mixte de recherche 5558, Laboratoire de Biométrie et Biologie Evolutive, Université Lyon 1 Villeurbanne, France
| | - Alexandra Alvergne
- ISEM, Université de Montpellier, CNRS, IRD, EPHE, Montpellier, France
- Institute of Social and Cultural Anthropology, School of Anthropology and Museum Ethnography, University of Oxford, United Kingdom
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Zhang LF, Zhu LJ, Zhang W, Yuan W, Song NH, Zuo L, Mi YY, Wang ZJ, Zhang W. MMP-8 C-799 T, Lys460Thr, and Lys87Glu variants are not related to risk of cancer. BMC MEDICAL GENETICS 2019; 20:162. [PMID: 31638929 PMCID: PMC6805444 DOI: 10.1186/s12881-019-0890-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Accepted: 09/06/2019] [Indexed: 12/12/2022]
Abstract
Background Several studies have focused on the relationship between MMP-8 variants and cancer risk, but they have been unsuccessful in drawing reliable conclusions. Methods We employed odds ratio (OR) together with 95% confidence interval (CI) to assess the correlation between MMP-8 C-799 T, Lys460Thr, and Lys87Glu polymorphisms and cancer risk. We further employed in silico tools to evaluate the effect of MMP-8 expression on cancer susceptibility and overall survival time. Results A total of 8140 patients with malignant carcinoma and 10,529 healthy individuals (control) were enrolled. Overall, the analysis showed that the relationship between three MMP-8 variants and cancer susceptibility was not significant (allelic contrast, C-799 T: OR = 0.98, 95% CI = 0.92–1.04, Pheterogeneity = 0.068; Lys460Thr: OR = 0.94, 95% CI = 0.67–1.32, Pheterogeneity = 0.905; Lys87Glu: OR = 1.05, 95% CI = 0.93–1.18, Pheterogeneity = 0.968). Similar results were observed in subgroup analysis by ethnicity, cancer type, and source of control. In silico analysis indicated that MMP-8 expression was elevated in bladder cancer tissue compared to that in the control. However, both the higher and lower MMP-8 expression groups did not show an impact on the overall survival time of the patients. Conclusions MMP-8 C-799 T, Lys460Thr, and Lys87Glu variants are not participant with the susceptibility of cancer.
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Affiliation(s)
- Li-Feng Zhang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Department of Urology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, 213003, Jiangsu Province, China
| | - Li-Jie Zhu
- Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, 214000, China
| | - Wei Zhang
- Department of Oncology, Taizhou People's Hospital, Taizhou, 225300, Jiangsu, China
| | - Wei Yuan
- Department of Cardiology, Taizhou People's Hospital, Taizhou, 225300, Jiangsu, China
| | - Ning-Hong Song
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
| | - Li Zuo
- Department of Urology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, 213003, Jiangsu Province, China.
| | - Yuan-Yuan Mi
- Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, 214000, China.
| | - Zeng-Jun Wang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Wei Zhang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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27
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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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28
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Abstract
This paper surveys some of the important insights that molecular evolution has contributed to evolutionary medicine; they include phage therapy, cancer biology, helminth manipulation of the host immune system, quality control of gametes, and pathogen outbreaks. Molecular evolution has helped to revolutionize our understanding of cancer, of autoimmune disease, and of the origin, spread, and pathogenesis of emerging diseases, where it has suggested new therapies, illuminated mechanisms, and revealed historical processes: all have practical therapeutic implications. While much has been accomplished, much remains to be done.
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Affiliation(s)
- Stephen C Stearns
- Department of Ecology and Evolutionary Biology, Yale University, PO Box 208106, New Haven, CT, 06520-8106, USA.
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29
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Peccatori FA, Mangili G, Bergamini A, Filippi F, Martinelli F, Ferrari F, Noli S, Rabaiotti E, Candiani M, Somigliana E. Fertility preservation in women harboring deleterious BRCA mutations: ready for prime time? Hum Reprod 2019; 33:181-187. [PMID: 29207007 DOI: 10.1093/humrep/dex356] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Accepted: 11/09/2017] [Indexed: 12/31/2022] Open
Abstract
Fertility issues have become critical in the management and counseling of BRCA mutation carriers. In this setting four points deserve consideration. (1) Women in general lose their ability to conceive at a mean age of 41 years, thus the suggested policy of prophylactic bilateral salpingo-oophorectomy at age 40 for BRCA mutation carriers does not affect the chances of natural pregnancy. Conversely, if the procedure is chosen at 35 years old, oocyte cryopreservation prior to surgery should be considered. (2) Some evidence suggests that ovarian reserve may actually be partly reduced in BRCA mutations carriers and that the mutation may affect ovarian responsiveness to stimulation. However, these findings are still controversial. (3) Breast cancer is not rare before the age of 40 and fertility preservation after diagnosis can be requested in a significant proportion of BRCA mutation carriers. Thus, a policy of oocyte cryopreservation in young healthy carriers deserves consideration. The procedure could be considered at a young age and in an elective setting, when ovarian stimulation may yield more oocytes of better quality. (4) Preimplantation genetic diagnosis (PGD) could be considered in BRCA mutations carriers, particularly when good quality oocytes have been stored at a young age. Based on the current knowledge, a univocal approach cannot be recommended; in depth patient counseling is warranted.
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Affiliation(s)
- Fedro Alessandro Peccatori
- Fertility and Procreation Unit, Division of Gynecologic Oncology, European Institute of Oncology, Via S. Luca 8, 20122 Milan, Italy
| | - Giorgia Mangili
- Department of Obstetrics and Gynecology, San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy
| | - Alice Bergamini
- Department of Obstetrics and Gynecology, San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy
| | - Francesca Filippi
- Obstetrics and Gynecology Department, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via della Commenda 12, 20122 Milan, Italy
| | - Fabio Martinelli
- Gynecologic Oncology Unit, Fondazione IRCCS National Cancer Institute, Via G. Venezian, 1, 20133 Milan, Italy
| | - Federica Ferrari
- Applied Research Division for Cognitive and Psychological Science, European Institute of Oncology, Via S. Luca 8, 20122 Milan, Italy
| | - Stefania Noli
- Fertility and Procreation Unit, Division of Gynecologic Oncology, European Institute of Oncology, Via S. Luca 8, 20122 Milan, Italy.,Obstetrics and Gynecology Department, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via della Commenda 12, 20122 Milan, Italy.,Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Via Festa del Perdono, 20122 Milan, Italy
| | - Emanuela Rabaiotti
- Department of Obstetrics and Gynecology, San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy
| | - Massimo Candiani
- Department of Obstetrics and Gynecology, San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy
| | - Edgardo Somigliana
- Obstetrics and Gynecology Department, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via della Commenda 12, 20122 Milan, Italy.,Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Via Festa del Perdono, 20122 Milan, Italy
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30
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BRCA mutations and reproduction. Fertil Steril 2018; 109:33-38. [PMID: 29307397 DOI: 10.1016/j.fertnstert.2017.12.004] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 11/28/2017] [Accepted: 12/05/2017] [Indexed: 02/07/2023]
Abstract
Deleterious mutations in BRCA1 or BRCA2 genes have long been recognized as independent risk factors, mostly for breast and ovarian cancer. Numerous studies have evaluated the molecular processes involving these genes, the pathophysiology of BRCAness, follow up options and modes of prophylaxis. The fertility of BRCA carriers, however, has not been widely investigated. The aim of the present work is to review the literature pertaining to this issue.
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31
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Gidoin C, Ujvari B, Thomas F, Roche B. How is the evolution of tumour resistance at organ-scale impacted by the importance of the organ for fitness? BMC Evol Biol 2018; 18:185. [PMID: 30522441 PMCID: PMC6282255 DOI: 10.1186/s12862-018-1298-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 11/19/2018] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND A strong variability in cancer incidence is observed between human organs. Recently, it has been suggested that the relative contribution of organs to organism fitness (reproduction or survival) could explain at least a part of the observed variation. The objective of this study is to investigate theoretically the main factors driving the evolution of tumour resistance mechanisms of organs when their relative contribution to organism fitness is considered. We use a population-scale model where individuals can develop a tumour in a key organ (i.e. in which even a small tumour can negatively impact organism fitness), an auxiliary organ (i.e. in which only a large tumour has a relatively significant impact) or both organs because of metastasis. RESULTS Our simulations show that natural selection acts in two different ways to prevent cancer in a key and an auxiliary organs. In the key organ, the strategy mostly selected is the highest resistance and only a high cost of resistance mitigates this behavior. Inversely, we observe that a low resistance strategy can be selected in the auxiliary organ when the development of the tumour is slow and the effect of a large tumour on the mortality of the organism is relatively weak. Nevertheless, if the tumour can spread to a key organ, higher resistance strategies are selected in the auxiliary organ. CONCLUSION Finally, our study demonstrates that the relative contribution of organs to the organism fitness and the metastatic propensity of the tumour influence the evolution of tumour resistance at organ scale and should be considered by studies aiming to explain the variability in cancer incidence at organ-scale.
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Affiliation(s)
- Cindy Gidoin
- Centre for Ecological and Evolutionary Research on Cancer (CREEC), MIVEGEC, IRD, CNRS, Univ. Montpellier, Montpellier, France
| | - Beata Ujvari
- Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin University, Waurn Ponds, VIC Australia
| | - Frédéric Thomas
- Centre for Ecological and Evolutionary Research on Cancer (CREEC), MIVEGEC, IRD, CNRS, Univ. Montpellier, Montpellier, France
| | - Benjamin Roche
- Centre for Ecological and Evolutionary Research on Cancer (CREEC), MIVEGEC, IRD, CNRS, Univ. Montpellier, Montpellier, France
- Sorbonne Université, IRD, UMMISCO, F-93143 Bondy, 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
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Gunnala V, Fields J, Irani M, D'Angelo D, Xu K, Schattman G, Rosenwaks Z. BRCA carriers have similar reproductive potential at baseline to noncarriers: comparisons in cancer and cancer-free cohorts undergoing fertility preservation. Fertil Steril 2018; 111:363-371. [PMID: 30527950 DOI: 10.1016/j.fertnstert.2018.10.014] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 08/15/2018] [Accepted: 10/15/2018] [Indexed: 12/19/2022]
Abstract
OBJECTIVE To investigate whether BRCA carriers with and without malignancy have decreased ovarian reserve at baseline compared with BRCA noncarriers. DESIGN Retrospective cohort study. SETTING Academic medical center. PATIENT(S) Seven-hundred and ninety-five oocyte cryopreservation patients, comprising BRCA carriers with and without malignancy (n = 57) and BRCA noncarriers (n = 738). INTERVENTION(S) Fertility preservation with oocyte cryopreservation. MAIN OUTCOME MEASURE(S) Antral follicle count (AFC), antimüllerian hormone (AMH) concentration, day-3 follicle-stimulating hormone (FSH) level, number of harvested oocytes, and number of mature/cryopreserved oocytes. RESULT(S) In the cancer cohort we compared BRCA-positive breast cancer (n = 38) with BRCA-negative breast cancer (n = 53) and with non-breast-cancer malignancies (n = 85). In the cancer-free cohort we compared BRCA carriers (n = 19) with women undergoing elective egg freezing (n = 600). We also compared the BRCA1 (n = 31) versus the BRCA2 carriers (n = 18). The patients' mean ages were 32.4 ± 3.6 years and 35.5 ± 4.3 years in the BRCA carrier and noncarrier cohorts, respectively. BRCA status was associated with a higher day-3 FSH level in the cancer cohort, but we found no changes in the other outcomes compared with the BRCA-negative cancer groups. BRCA carriers without cancer exhibited a higher AFC and number of mature oocytes compared with the patients undergoing planned egg freezing. Overall (cancer and cancer-free cohorts), the BRCA carriers had an increased AFC (15.5 ± 4.6 vs. 12.6 ± 5.7) and number of mature/cryopreserved oocytes (14.0 ± 7.9 vs. 10.4 ± 6.9) compared with the BRCA noncarriers but had no differences in other outcomes. CONCLUSION(S) BRCA carriers with and without malignancy exhibit comparable ovarian reserve and responses to ovarian stimulation compared with women with BRCA-negative cancers and cancer-free controls.
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Affiliation(s)
- Vinay Gunnala
- Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine, Weill Cornell Medicine, New York, New York.
| | - Jessica Fields
- Department of Obstetrics and Gynecology, Weill Cornell Medicine, New York, New York
| | - Mohamad Irani
- Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine, Weill Cornell Medicine, New York, New York
| | - Debra D'Angelo
- Division of Biostatistics and Epidemiology, Department of Healthcare Policy & Research, Weill Cornell Medicine, New York, New York
| | - Kangpu Xu
- Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine, Weill Cornell Medicine, New York, New York
| | - Glenn Schattman
- Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine, Weill Cornell Medicine, New York, New York
| | - Zev Rosenwaks
- Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine, Weill Cornell Medicine, New York, New York
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33
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Fox M. 'Evolutionary medicine' perspectives on Alzheimer's Disease: Review and new directions. Ageing Res Rev 2018; 47:140-148. [PMID: 30059789 PMCID: PMC6195455 DOI: 10.1016/j.arr.2018.07.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 07/24/2018] [Accepted: 07/24/2018] [Indexed: 10/28/2022]
Abstract
Evolution by natural selection eliminates maladaptive traits from a species, and yet Alzheimer's Disease (AD) persists with rapidly increasing prevalence globally. This apparent paradox begs an explanation within the framework of evolutionary sciences. Here, I summarize and critique previously proposed theories to explain human susceptibility to AD, grouped into 8 distinct hypotheses based on the concepts of novel extension of the lifespan; lack of selective pressure during the post-reproductive phase; antagonistic pleiotropy; rapid brain evolution; delayed neuropathy by selection for grandmothering; novel alleles selected to delay neuropathy; by-product of selection against cardiovascular disease; and thrifty genotype. Subsequently, I describe a new hypothesis inspired by the concept of mismatched environments. Many of the factors that enhance AD risk today may have been absent or functioned differently before the modern era, potentially making AD a less common affliction for age-matched individuals before industrialization and for the majority of human history. Future research is needed to further explore whether changes in environments and lifestyles across human history moderate risk factors and susceptibility to AD.
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Affiliation(s)
- Molly Fox
- Department of Psychiatry & Biobehavioral Sciences, University of California Los Angeles, Los Angeles, CA, 90095, USA; Department of Anthropology, University of California Los Angeles, Los Angeles, CA, 90095, USA.
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34
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Abstract
Between the 1930s and 50s, evolutionary biologists developed a successful theory of why organisms age, firmly rooted in population genetic principles. By the 1980s the evolution of aging had a secure experimental basis. Since the force of selection declines with age, aging evolves due to mutation accumulation or a benefit to fitness early in life. Here we review major insights and challenges that have emerged over the last 35 years: selection does not always necessarily decline with age; higher extrinsic (i.e., environmentally caused) mortality does not always accelerate aging; conserved pathways control aging rate; senescence patterns are more diverse than previously thought; aging is not universal; trade-offs involving lifespan can be 'broken'; aging might be 'druggable'; and human life expectancy continues to rise but compressing late-life morbidity remains a pressing challenge.
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Affiliation(s)
- Thomas Flatt
- Department of Biology, University of Fribourg, Chemin du Musée 10, CH-1700, Fribourg, Switzerland
| | - Linda Partridge
- Max Planck Institute for Biology of Aging, Joseph-Stelzmann-Strasse 9b, D-50931, Cologne, Germany.
- Institute for Healthy Aging and GEE, University College London, Darwin Building, Gower Street, London, WC1E6BT, UK.
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Helle S. Selection bias in studies of human reproduction-longevity trade-offs. Proc Biol Sci 2018; 284:rspb.2017.2104. [PMID: 29187632 DOI: 10.1098/rspb.2017.2104] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 10/30/2017] [Indexed: 11/12/2022] Open
Abstract
A shorter lifespan as a potential cost of high reproductive effort in humans has intrigued researchers for more than a century. However, the results have been inconclusive so far and despite strong theoretical expectations we do not currently have compelling evidence for the longevity costs of reproduction. Using Monte Carlo simulation, it is shown here that a common practice in human reproduction-longevity studies using historical data (the most relevant data sources for this question), the omission of women who died prior to menopausal age from the analysis, results in severe underestimation of the potential underlying trade-off between reproduction and lifespan. In other words, assuming that such a trade-off is expressed also during reproductive years, the strength of the trade-off between reproduction and lifespan is progressively weakened when women dying during reproductive ages are sequentially and non-randomly excluded from the analysis. In cases of small sample sizes (e.g. few hundreds of observations), this selection bias by reducing statistical power may even partly explain the null results commonly found in this field. Future studies in this field should thus apply statistical approaches that account for or avoid selection bias in order to recover reliable effect size estimates between reproduction and longevity.
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Affiliation(s)
- Samuli Helle
- Section of Ecology, Department of Biology, University of Turku, Turku 20014, Finland
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Corbett S, Courtiol A, Lummaa V, Moorad J, Stearns S. The transition to modernity and chronic disease: mismatch and natural selection. Nat Rev Genet 2018; 19:419-430. [DOI: 10.1038/s41576-018-0012-3] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Grynberg M, Raad J, Comtet M, Vinolas C, Cédrin-Durnerin I, Sonigo C. Fertility preservation in BRCA-mutated women: when and how? Future Oncol 2018; 14:483-490. [PMID: 29327596 DOI: 10.2217/fon-2017-0415] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
BRCA 1 and 2 genes play a critical role in the safeguarding of DNA integrity. It is now well established that BRCA1 and BRCA2-mutated women are at increased risk of breast and ovarian cancers. However, several lines of evidence indicate that this genetic status may also be associated with ovarian dysfunction, in particular a reduced ovarian reserve. Considering the gonadal toxicity of cancer treatments and the recommendation of prophylactic bilateral salpingo-oophorectomy around 40 years, young BRCA mutation carriers are confronted with difficult family planning decisions. Recent development in fertility preservation offers new possibilities for these women, not only before a potential cancer treatment, but also in healthy carriers. If the pregnancy seems to be safe in this population, oocyte vitrification following ovarian stimulation might help BRCA-mutated patients to conceive after cancer treatment or to undergo prenatal genetic diagnosis in order to avoid the risk of transmitting the genetic abnormality to their offspring. The present article aims to extensively discuss the fertility issues related to BRCA gene mutations and the questions raised by the possibility of fertility in this population.
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Affiliation(s)
- Michaël Grynberg
- Department of Reproductive Medicine & Fertility Preservation, Hôpital Antoine Béclère, 157 rue de la Porte de Trivaux, 92140 Clamart, France.,University Paris Sud XI, 94276, Le Kremlin Bicêtre, France.,Unité Inserm U1133, Université Paris-Diderot, 75013 Paris, France
| | - Jade Raad
- Department of Reproductive Medicine & Fertility Preservation, Hôpital Antoine Béclère, 157 rue de la Porte de Trivaux, 92140 Clamart, France
| | - Marjorie Comtet
- Department of Reproductive Medicine & Fertility Preservation, Hôpital Jean Verdier, Avenue du 14 Juillet, 93140 Bondy, France.,University Paris XIII, 93017, Bobigny, France
| | - Claire Vinolas
- Department of Reproductive Medicine & Fertility Preservation, Hôpital Jean Verdier, Avenue du 14 Juillet, 93140 Bondy, France
| | - Isabelle Cédrin-Durnerin
- Department of Reproductive Medicine & Fertility Preservation, Hôpital Jean Verdier, Avenue du 14 Juillet, 93140 Bondy, France
| | - Charlotte Sonigo
- Department of Reproductive Medicine & Fertility Preservation, Hôpital Antoine Béclère, 157 rue de la Porte de Trivaux, 92140 Clamart, France.,Inserm U1185, Univ Paris-Sud, Université Paris Saclay, Le Kremlin Bicêtre, 94276, France
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38
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Gaillard JM, Lemaître JF. The Williams' legacy: A critical reappraisal of his nine predictions about the evolution of senescence. Evolution 2017; 71:2768-2785. [DOI: 10.1111/evo.13379] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 09/25/2017] [Accepted: 09/30/2017] [Indexed: 12/16/2022]
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39
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Fertility and pregnancy issues in BRCA -mutated breast cancer patients. Cancer Treat Rev 2017; 59:61-70. [DOI: 10.1016/j.ctrv.2017.07.001] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 07/04/2017] [Accepted: 07/05/2017] [Indexed: 01/08/2023]
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40
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Derks-Smeets IAP, van Tilborg TC, van Montfoort A, Smits L, Torrance HL, Meijer-Hoogeveen M, Broekmans F, Dreesen JCFM, Paulussen ADC, Tjan-Heijnen VCG, Homminga I, van den Berg MMJ, Ausems MGEM, de Rycke M, de Die-Smulders CEM, Verpoest W, van Golde R. BRCA1 mutation carriers have a lower number of mature oocytes after ovarian stimulation for IVF/PGD. J Assist Reprod Genet 2017; 34:1475-1482. [PMID: 28831696 PMCID: PMC5699993 DOI: 10.1007/s10815-017-1014-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 07/28/2017] [Indexed: 01/07/2023] Open
Abstract
Purpose The aim of this study was to determine whether BRCA1/2 mutation carriers produce fewer mature oocytes after ovarian stimulation for in vitro fertilization (IVF) with preimplantation genetic diagnosis (PGD), in comparison to a PGD control group. Methods A retrospective, international, multicenter cohort study was performed on data of first PGD cycles performed between January 2006 and September 2015. Data were extracted from medical files. The study was performed in one PGD center and three affiliated IVF centers in the Netherlands and one PGD center in Belgium. Exposed couples underwent PGD because of a pathogenic BRCA1/2 mutation, controls for other monogenic conditions. Only couples treated in a long gonadotropin-releasing hormone (GnRH) agonist-suppressive protocol, stimulated with at least 150 IU follicle stimulating hormone (FSH), were included. Women suspected to have a diminished ovarian reserve status due to chemotherapy, auto-immune disorders, or genetic conditions (other than BRCA1/2 mutations) were excluded. A total of 106 BRCA1/2 mutation carriers underwent PGD in this period, of which 43 (20 BRCA1 and 23 BRCA2 mutation carriers) met the inclusion criteria. They were compared to 174 controls selected by frequency matching. Results Thirty-eight BRCA1/2 mutation carriers (18 BRCA1 and 20 BRCA2 mutation carriers) and 154 controls proceeded to oocyte pickup. The median number of mature oocytes was 7.0 (interquartile range (IQR) 4.0–9.0) in the BRCA group as a whole, 6.5 (IQR 4.0–8.0) in BRCA1 mutation carriers, 7.5 (IQR 5.5–9.0) in BRCA2 mutation carriers, and 8.0 (IQR 6.0–11.0) in controls. Multiple linear regression analysis with the number of mature oocytes as a dependent variable and adjustment for treatment center, female age, female body mass index (BMI), type of gonadotropin used, and the total dose of gonadotropins administered revealed a significantly lower yield of mature oocytes in the BRCA group as compared to controls (p = 0.04). This finding could be fully accounted for by the BRCA1 subgroup (BRCA1 mutation carriers versus controls p = 0.02, BRCA2 mutation carriers versus controls p = 0.50). Conclusions Ovarian response to stimulation, expressed as the number of mature oocytes, was reduced in BRCA1 but not in BRCA2 mutation carriers. Although oocyte yield was in correspondence to a normal response in all subgroups, this finding points to a possible negative influence of the BRCA1 gene on ovarian reserve. Electronic supplementary material The online version of this article (doi:10.1007/s10815-017-1014-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- I A P Derks-Smeets
- Department of Clinical Genetics, Maastricht University Medical Center, P.O. Box 5800, 6202 AZ, Maastricht, The Netherlands.,GROW - School for Oncology and Developmental Biology, Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands
| | - T C van Tilborg
- Department of Reproductive Medicine, University Medical Center Utrecht, P.O. Box 85500, 3508 GA, Utrecht, The Netherlands
| | - A van Montfoort
- GROW - School for Oncology and Developmental Biology, Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands.,Department of Obstetrics and Gynecology, Maastricht University Medical Center, P.O. Box 5800, 6202 AZ, Maastricht, The Netherlands
| | - L Smits
- Department of Epidemiology, Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands
| | - H L Torrance
- Department of Reproductive Medicine, University Medical Center Utrecht, P.O. Box 85500, 3508 GA, Utrecht, The Netherlands
| | - M Meijer-Hoogeveen
- Department of Reproductive Medicine, University Medical Center Utrecht, P.O. Box 85500, 3508 GA, Utrecht, The Netherlands
| | - F Broekmans
- Department of Reproductive Medicine, University Medical Center Utrecht, P.O. Box 85500, 3508 GA, Utrecht, The Netherlands
| | - J C F M Dreesen
- Department of Clinical Genetics, Maastricht University Medical Center, P.O. Box 5800, 6202 AZ, Maastricht, The Netherlands.,GROW - School for Oncology and Developmental Biology, Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands
| | - A D C Paulussen
- Department of Clinical Genetics, Maastricht University Medical Center, P.O. Box 5800, 6202 AZ, Maastricht, The Netherlands.,GROW - School for Oncology and Developmental Biology, Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands
| | - V C G Tjan-Heijnen
- GROW - School for Oncology and Developmental Biology, Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands.,Department of Internal Medicine, Division of Medical Oncology, Maastricht University Medical Center, P.O. Box 5800, 6202 AZ, Maastricht, The Netherlands
| | - I Homminga
- Department of Obstetrics and Gynecology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands
| | - M M J van den Berg
- Center for Reproductive Medicine, Academic Medical Center, P.O. Box 22660, 1100 DD, Amsterdam, The Netherlands
| | - M G E M Ausems
- Department of Genetics, University Medical Center Utrecht, P.O. Box 85500, 3508 GA, Utrecht, The Netherlands
| | - M de Rycke
- Center for Medical Genetics, Universitair Ziekenhuis Brussel, Laarbeeklaan 101, 1090, Brussels, Belgium
| | - C E M de Die-Smulders
- Department of Clinical Genetics, Maastricht University Medical Center, P.O. Box 5800, 6202 AZ, Maastricht, The Netherlands.,GROW - School for Oncology and Developmental Biology, Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands
| | - W Verpoest
- Center for Reproductive Medicine, Universitair Ziekenhuis Brussel, Laarbeeklaan 101, 1090, Brussels, Belgium
| | - R van Golde
- GROW - School for Oncology and Developmental Biology, Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands. .,Department of Obstetrics and Gynecology, Maastricht University Medical Center, P.O. Box 5800, 6202 AZ, Maastricht, The Netherlands.
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Johnson L, Sammel MD, Domchek S, Schanne A, Prewitt M, Gracia C. Antimüllerian hormone levels are lower in BRCA2 mutation carriers. Fertil Steril 2017; 107:1256-1265.e6. [PMID: 28476184 DOI: 10.1016/j.fertnstert.2017.03.018] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2016] [Revised: 03/15/2017] [Accepted: 03/16/2017] [Indexed: 12/20/2022]
Abstract
OBJECTIVE To compare antimüllerian hormone (AMH) levels in women at high risk for hereditary breast and ovarian cancer compared with healthy low-risk control women. DESIGN Prospective cohort. SETTING Not applicable. PATIENT(S) Reproductive-age women with a uterus and both ovaries were analyzed in four groups: BRCA1 mutation carriers, BRCA2 carriers, BRCA-negative women, and low-risk controls. INTERVENTION(S) Self-collected dried blood spot. MAIN OUTCOME MEASURE(S) AMH levels. RESULT(S) One hundred ninety-five women were included: 55 BRCA1 carriers, 50 BRCA2 carriers, 26 BRCA negative women, and 64 low-risk controls. After adjusting for confounders, BRCA2 carriers had AMH levels that were 33% lower than control women and an increased odds of having AMH <1 ng/mL. BRCA1 carriers and BRCA-negative women had AMH levels similar to control women. When analysis was restricted to regularly menstruating women younger than 40 years of age, BRCA2 carriers continued to demonstrate significantly lower AMH levels and increased likelihood of low AMH. Also, in this restricted group, BRCA-negative women demonstrated AMH levels that were 42% lower than control women. No difference in AMH was observed for BRCA1 carriers. CONCLUSION(S) We observed significantly lower AMH levels among BRCA2 carriers compared with low-risk control women. These results were stable across all models. BRCA-negative women also had lower AMH values, but only in models restricted to young regularly menstruating women. In contrast to earlier analyses, BRCA1 carriers had AMH values that were similar to low-risk control women, but this may be due to differences in the population studied.
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Affiliation(s)
- Lauren Johnson
- Division of Reproductive Endocrinology and Infertility, Hospital of the University of Pennsylvania, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania; Reproductive Endocrinology Associates of Charlotte, Charlotte, North Carolina.
| | - Mary D Sammel
- Department of Biostatistics and Epidemiology, Women's Health Clinical Research Center, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Susan Domchek
- Basser Center for BRCA, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Allison Schanne
- Division of Reproductive Endocrinology and Infertility, Hospital of the University of Pennsylvania, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Maureen Prewitt
- Division of Reproductive Endocrinology and Infertility, Hospital of the University of Pennsylvania, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Clarisa Gracia
- Division of Reproductive Endocrinology and Infertility, Hospital of the University of Pennsylvania, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
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42
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Jasienska G, Bribiescas RG, Furberg AS, Helle S, Núñez-de la Mora A. Human reproduction and health: an evolutionary perspective. Lancet 2017; 390:510-520. [PMID: 28792413 DOI: 10.1016/s0140-6736(17)30573-1] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Revised: 08/30/2016] [Accepted: 12/20/2016] [Indexed: 01/05/2023]
Abstract
According to life history theory, increased investment in reproductive function (physiology and behaviour) at different times throughout the life course affects the risk of many diseases and, ultimately, longevity. Although genetic factors contribute to interindividual and interpopulation variation in reproductive traits, the dominant source of variability is phenotypic plasticity during development and adult life. Reproductive traits in both sexes evolved sensitivity to ecological conditions, as reflected in contemporary associations of hormone concentrations with geographical setting, nutritional status, and physical activity level. Lifetime exposure to increased concentrations of sex hormones is associated with the risk of some cancers, hence decreasing fertility patterns contribute to secular increases in their incidence. Conversely, increased investment in reproductive function might compromise somatic investment in health, such that faster sexual maturation and higher parity increases risk of diabetes and cardiovascular disease. An evolutionary perspective on reproductive biology could improve the efficacy of public health efforts to reduce the risk of hormone-sensitive cancers and other non-communicable diseases.
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Affiliation(s)
- Grazyna Jasienska
- Department of Environmental Health, Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland.
| | | | - Anne-Sofie Furberg
- Department of Community Medicine, Faculty of Health Sciences, University of Tromsø-The Arctic University of Norway, Tromsø, Norway; Department of Microbiology and Infection Control, University Hospital of North Norway, Tromsø, Norway
| | - Samuli Helle
- Section of Ecology, Department of Biology, University of Turku, Finland
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43
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Jacqueline C, Tasiemski A, Sorci G, Ujvari B, Maachi F, Missé D, Renaud F, Ewald P, Thomas F, Roche B. Infections and cancer: the "fifty shades of immunity" hypothesis. BMC Cancer 2017; 17:257. [PMID: 28403812 PMCID: PMC5389015 DOI: 10.1186/s12885-017-3234-4] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Accepted: 03/24/2017] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Since the beginning of the twentieth century, infection has emerged as a fundamental aspect of cancer causation with a growing number of pathogens recognized as oncogenic. Meanwhile, oncolytic viruses have also attracted considerable interest as possible agents of tumor destruction. DISCUSSION Lost in the dichotomy between oncogenic and oncolytic agents, the indirect influence of infectious organisms on carcinogenesis has been largely unexplored. We describe the various ways - from functional aspects to evolutionary considerations such as modernity mismatches - by which infectious organisms could interfere with oncogenic processes through immunity. Finally, we discuss how acknowledging these interactions might impact public health approaches and suggest new guidelines for therapeutic and preventive strategies both at individual and population levels. Infectious organisms, that are not oncogenic neither oncolytic, may play a significant role in carcinogenesis, suggesting the need to increase our knowledge about immune interactions between infections and cancer.
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Affiliation(s)
- Camille Jacqueline
- CREEC, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
- MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
| | - Aurélie Tasiemski
- Unité d’Evolution, Ecologie et Paléontologie (EEP) Université de Lille 1 CNRS UMR 8198, groupe d’Ecoimmunologie des Annélides, 59655 Villeneuve-d’Ascqd’Ascq, France
| | - Gabriele Sorci
- BiogéoSciences, CNRS UMR 6282, Université de Bourgogne Franche-Comté, 6 Boulevard Gabriel, 21000 Dijon, France
| | - Beata Ujvari
- Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Vic Australia
| | - Fatima Maachi
- Laboratoire de Pathologie Oncologie Digestive, Institut Pasteur 1, Place Abou Kacem Ez-Zahraoui- B.P, 120, Casablanca, Morocco
| | - Dorothée Missé
- CREEC, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
- MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
| | - François Renaud
- CREEC, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
- MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
| | - Paul Ewald
- Department of Biology, University of Louisville, Louisville, KY 40292 USA
| | - Frédéric Thomas
- CREEC, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
- MIVEGEC, UMR IRD/CNRS/UM 5290, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
| | - Benjamin Roche
- CREEC, 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
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Jacqueline C, Biro PA, Beckmann C, Moller AP, Renaud F, Sorci G, Tasiemski A, Ujvari B, Thomas F. Cancer: A disease at the crossroads of trade-offs. Evol Appl 2017; 10:215-225. [PMID: 28250806 PMCID: PMC5322410 DOI: 10.1111/eva.12444] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Accepted: 11/01/2016] [Indexed: 12/14/2022] Open
Abstract
Central to evolutionary theory is the idea that living organisms face phenotypic and/or genetic trade-offs when allocating resources to competing life-history demands, such as growth, survival, and reproduction. These trade-offs are increasingly considered to be crucial to further our understanding of cancer. First, evidences suggest that neoplastic cells, as any living entities subject to natural selection, are governed by trade-offs such as between survival and proliferation. Second, selection might also have shaped trade-offs at the organismal level, especially regarding protective mechanisms against cancer. Cancer can also emerge as a consequence of additional trade-offs in organisms (e.g., eco-immunological trade-offs). Here, we review the wide range of trade-offs that occur at different scales and their relevance for understanding cancer dynamics. We also discuss how acknowledging these phenomena, in light of human evolutionary history, may suggest new guidelines for preventive and therapeutic strategies.
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Affiliation(s)
- Camille Jacqueline
- CREECMontpellier Cedex 5France
- MIVEGECUMR IRD/CNRS/UM 5290Montpellier Cedex 5France
| | - Peter A. Biro
- Centre for Integrative EcologySchool of Life and Environmental SciencesDeakin UniversityWaurn PondsVICAustralia
| | - Christa Beckmann
- Centre for Integrative EcologySchool of Life and Environmental SciencesDeakin UniversityWaurn PondsVICAustralia
| | - Anders Pape Moller
- Ecologie Systématique EvolutionUniversité Paris‐SudCNRSAgroParisTechUniversité Paris‐Saclay, F‐91405 Orsay CedexFrance
| | - François Renaud
- CREECMontpellier Cedex 5France
- MIVEGECUMR IRD/CNRS/UM 5290Montpellier Cedex 5France
| | - Gabriele Sorci
- BiogéoSciencesCNRS UMR 6282Université de BourgogneDijonFrance
| | - Aurélie Tasiemski
- Unité d'EvolutionEcologie et Paléontologie (EEP) Université de Lille 1 CNRS UMR 8198groupe d'Ecoimmunologie des AnnélidesVilleneuve‐d'AscqFrance
| | - Beata Ujvari
- Centre for Integrative EcologySchool of Life and Environmental SciencesDeakin UniversityWaurn PondsVICAustralia
| | - Frédéric Thomas
- CREECMontpellier Cedex 5France
- MIVEGECUMR IRD/CNRS/UM 5290Montpellier Cedex 5France
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45
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Hochberg ME, Noble RJ. A framework for how environment contributes to cancer risk. Ecol Lett 2017; 20:117-134. [DOI: 10.1111/ele.12726] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2016] [Revised: 10/03/2016] [Accepted: 12/01/2016] [Indexed: 12/22/2022]
Affiliation(s)
- Michael E. Hochberg
- Intstitut des Sciences de l'Evolution de Montpellier; Université de Montpellier; Place E. Bataillon, CC065 34095 Montpellier Cedex 5 France
- Santa Fe Institute; 1399 Hyde Park Rd. Santa Fe NM 87501 USA
| | - Robert J. Noble
- Intstitut des Sciences de l'Evolution de Montpellier; Université de Montpellier; Place E. Bataillon, CC065 34095 Montpellier Cedex 5 France
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46
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Arnal A, Jacqueline C, Ujvari B, Leger L, Moreno C, Faugere D, Tasiemski A, Boidin‐Wichlacz C, Misse D, Renaud F, Montagne J, Casali A, Roche B, Mery F, Thomas F. Cancer brings forward oviposition in the fly Drosophila melanogaster. Ecol Evol 2017; 7:272-276. [PMID: 28070290 PMCID: PMC5214257 DOI: 10.1002/ece3.2571] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 09/19/2016] [Accepted: 09/30/2016] [Indexed: 12/17/2022] Open
Abstract
Hosts often accelerate their reproductive effort in response to a parasitic infection, especially when their chances of future reproduction decrease with time from the onset of the infection. Because malignancies usually reduce survival, and hence potentially the fitness, it is expected that hosts with early cancer could have evolved to adjust their life-history traits to maximize their immediate reproductive effort. Despite the potential importance of these plastic responses, little attention has been devoted to explore how cancers influence animal reproduction. Here, we use an experimental setup, a colony of genetically modified flies Drosophila melanogaster which develop colorectal cancer in the anterior gut, to show the role of cancer in altering life-history traits. Specifically, we tested whether females adapt their reproductive strategy in response to harboring cancer. We found that flies with cancer reached the peak period of oviposition significantly earlier (i.e., 2 days) than healthy ones, while no difference in the length and extent of the fecundity peak was observed between the two groups of flies. Such compensatory responses to overcome the fitness-limiting effect of cancer could explain the persistence of inherited cancer-causing mutant alleles in the wild.
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Affiliation(s)
- Audrey Arnal
- CREECMIVEGECUMR IRD/CNRS/UM 5290911 Avenue Agropolis, BP 6450134394Montpellier Cedex 5France
| | - Camille Jacqueline
- CREECMIVEGECUMR IRD/CNRS/UM 5290911 Avenue Agropolis, BP 6450134394Montpellier Cedex 5France
| | - Beata Ujvari
- Centre for Integrative EcologySchool of Life and Environmental SciencesDeakin UniversityWaurn PondsVic.Australia
| | - Lucas Leger
- CREECMIVEGECUMR IRD/CNRS/UM 5290911 Avenue Agropolis, BP 6450134394Montpellier Cedex 5France
| | - Céline Moreno
- Laboratoire Évolution, Génomes, et SpéciationUnité Propre de Recherche 9034Centre National de la Recherche Scientifique, 91198 Gif sur Yvette, France; Université Paris‐Sud 1191405OrsayFrance
| | - Dominique Faugere
- CREECMIVEGECUMR IRD/CNRS/UM 5290911 Avenue Agropolis, BP 6450134394Montpellier Cedex 5France
| | | | | | - Dorothée Misse
- CREECMIVEGECUMR IRD/CNRS/UM 5290911 Avenue Agropolis, BP 6450134394Montpellier Cedex 5France
| | - François Renaud
- CREECMIVEGECUMR IRD/CNRS/UM 5290911 Avenue Agropolis, BP 6450134394Montpellier Cedex 5France
| | - Jacques Montagne
- Institute for Integrative Biology of the Cell (I2BC)CNRSUniversité Paris‐SudCEA, UMR919891190Gif‐sur‐YvetteFrance
| | - Andreu Casali
- Institute for Research in Biomedicine (IRB Barcelona)BarcelonaSpain
| | - Benjamin Roche
- CREECMIVEGECUMR IRD/CNRS/UM 5290911 Avenue Agropolis, BP 6450134394Montpellier Cedex 5France
- International Center for Mathematical and Computational Modelling of Complex Systems (UMI IRD/UPMC UMMISCO)32 Avenue Henri Varagnat93143Bondy CedexFrance
| | - Frédéric Mery
- Laboratoire Évolution, Génomes, et SpéciationUnité Propre de Recherche 9034Centre National de la Recherche Scientifique, 91198 Gif sur Yvette, France; Université Paris‐Sud 1191405OrsayFrance
| | - Frédéric Thomas
- CREECMIVEGECUMR IRD/CNRS/UM 5290911 Avenue Agropolis, BP 6450134394Montpellier Cedex 5France
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The Slavic NBN Founder Mutation: A Role for Reproductive Fitness? PLoS One 2016; 11:e0167984. [PMID: 27936167 PMCID: PMC5148078 DOI: 10.1371/journal.pone.0167984] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Accepted: 11/23/2016] [Indexed: 01/21/2023] Open
Abstract
The vast majority of patients with Nijmegen Breakage Syndrome (NBS) are of Slavic origin and carry a deleterious deletion (c.657del5; rs587776650) in the NBN gene on chromosome 8q21. This mutation is essentially confined to Slavic populations and may thus be considered a Slavic founder mutation. Notably, not a single parenthood of a homozygous c.657del5 carrier has been reported to date, while heterozygous carriers do reproduce but have an increased cancer risk. These observations seem to conflict with the considerable carrier frequency of c.657del5 of 0.5% to 1% as observed in different Slavic populations because deleterious mutations would be eliminated quite rapidly by purifying selection. Therefore, we propose that heterozygous c.657del5 carriers have increased reproductive success, i.e., that the mutation confers heterozygote advantage. In fact, in our cohort study of the reproductive history of 24 NBS pedigrees from the Czech Republic, we observed that female carriers gave birth to more children on average than female non-carriers, while no such reproductive differences were observed for males. We also estimate that c.657del5 likely occurred less than 300 generations ago, thus supporting the view that the original mutation predated the historic split and subsequent spread of the ‘Slavic people’. We surmise that the higher fertility of female c.657del5 carriers reflects a lower miscarriage rate in these women, thereby reflecting the role of the NBN gene product, nibrin, in the repair of DNA double strand breaks and their processing in immune gene rearrangements, telomere maintenance, and meiotic recombination, akin to the previously described role of the DNA repair genes BRCA1 and BRCA2.
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van Tilborg TC, Derks-Smeets IA, Bos AM, Oosterwijk JC, van Golde RJ, de Die-Smulders CE, van der Kolk LE, van Zelst-Stams WA, Velthuizen ME, Hoek A, Eijkemans MJ, Laven JS, Ausems MG, Broekmans FJ. Serum AMH levels in healthy women from
BRCA1/2
mutated families: are they reduced? Hum Reprod 2016; 31:2651-2659. [DOI: 10.1093/humrep/dew242] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Revised: 07/14/2016] [Accepted: 07/26/2016] [Indexed: 11/13/2022] Open
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Boddy AM, Kokko H, Breden F, Wilkinson GS, Aktipis CA. Cancer susceptibility and reproductive trade-offs: a model of the evolution of cancer defences. Philos Trans R Soc Lond B Biol Sci 2016; 370:rstb.2014.0220. [PMID: 26056364 PMCID: PMC4581025 DOI: 10.1098/rstb.2014.0220] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The factors influencing cancer susceptibility and why it varies across species are major open questions in the field of cancer biology. One underexplored source of variation in cancer susceptibility may arise from trade-offs between reproductive competitiveness (e.g. sexually selected traits, earlier reproduction and higher fertility) and cancer defence. We build a model that contrasts the probabilistic onset of cancer with other, extrinsic causes of mortality and use it to predict that intense reproductive competition will lower cancer defences and increase cancer incidence. We explore the trade-off between cancer defences and intraspecific competition across different extrinsic mortality conditions and different levels of trade-off intensity, and find the largest effect of competition on cancer in species where low extrinsic mortality combines with strong trade-offs. In such species, selection to delay cancer and selection to outcompete conspecifics are both strong, and the latter conflicts with the former. We discuss evidence for the assumed trade-off between reproductive competitiveness and cancer susceptibility. Sexually selected traits such as ornaments or large body size require high levels of cell proliferation and appear to be associated with greater cancer susceptibility. Similar associations exist for female traits such as continuous egg-laying in domestic hens and earlier reproductive maturity. Trade-offs between reproduction and cancer defences may be instantiated by a variety of mechanisms, including higher levels of growth factors and hormones, less efficient cell-cycle control and less DNA repair, or simply a larger number of cell divisions (relevant when reproductive success requires large body size or rapid reproductive cycles). These mechanisms can affect intra- and interspecific variation in cancer susceptibility arising from rapid cell proliferation during reproductive maturation, intrasexual competition and reproduction.
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Affiliation(s)
- Amy M Boddy
- Department of Psychology, Arizona State University, Tempe, AZ, USA Center for Evolution and Cancer, University of California San Francisco, San Francisco, CA, USA Wissenschaftskolleg zu Berlin, Institute for Advanced Study, 14193 Berlin, Germany
| | - Hanna Kokko
- Wissenschaftskolleg zu Berlin, Institute for Advanced Study, 14193 Berlin, Germany Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Felix Breden
- Wissenschaftskolleg zu Berlin, Institute for Advanced Study, 14193 Berlin, Germany Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
| | - Gerald S Wilkinson
- Wissenschaftskolleg zu Berlin, Institute for Advanced Study, 14193 Berlin, Germany Department of Biology, University of Maryland, College Park, MD 20742, USA
| | - C Athena Aktipis
- Department of Psychology, Arizona State University, Tempe, AZ, USA Center for Evolution and Cancer, University of California San Francisco, San Francisco, CA, USA Wissenschaftskolleg zu Berlin, Institute for Advanced Study, 14193 Berlin, Germany
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50
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Mancini J, Mouret-Fourme E, Noguès C, Julian-Reynier C. Impact of BRCA1/2 mutation on young women's 5-year parenthood rates: a prospective comparative study (GENEPSO-PS cohort). Fam Cancer 2016; 14:273-9. [PMID: 25550141 DOI: 10.1007/s10689-014-9777-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Previous qualitative and intentions surveys have shown that the disclosure of a BRCA1/2 mutation might deter young women from becoming pregnant. However, to our knowledge, no comparative studies have ever documented the possibility that positive genetic test results might affect these women's future reproductive rates. Our aim was therefore to quantify the impact of BRCA1/2 mutation disclosure on long-term relationships between partners and childbearing rates. Participants were cancer-free women belonging to families in which a deleterious BRCA1/2 mutation had been identified, who had attended one of the 29 participating cancer genetic clinics for BRCA1/2 testing between 2000 and 2006. Logistic regression models were used to determine predictors of the 5-year self-reported parenthood rate. The sample consisted of 271 women aged 18-45 years (126 BRCA1/2 mutation carriers and 145 non-carriers). Couples had separated more frequently among BRCA1/2 carriers than non-carriers (10 vs. 3%, p = .040), especially among nulliparous carriers (13%). Among the 104 women who were childless at disclosure, disclosure of a BRCA1/2 mutation was not significantly associated with childbearing during the 5-year follow-up period [adjusted odds ratio .64, 95% confidence interval (CI) (.26, 1.57), p = .334]. Among the 167 women with at least one child at disclosure of a BRCA1/2 mutation had no conspicuous effect on the childbearing trends [adjOR .88, 95% CI (.35, 2.21), p = .787]. The disclosure of a BRCA1/2 mutation might impact couples' relationships and future mothering rates, particularly among nulliparous women. Studies on larger populations are now required to confirm these findings.
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Affiliation(s)
- Julien Mancini
- Aix Marseille Université, Inserm, IRD, UMR912 SESSTIM, 13385, Marseille, France,
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