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Voskarides K, Giannopoulou N. The Role of TP53 in Adaptation and Evolution. Cells 2023; 12:cells12030512. [PMID: 36766853 PMCID: PMC9914165 DOI: 10.3390/cells12030512] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/28/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023] Open
Abstract
The TP53 gene is a major player in cancer formation, and it is considered the most important tumor suppressor gene. The p53 protein acts as a transcription factor, and it is involved in DNA repair, senescence, cell-cycle control, autophagy, and apoptosis. Beyond cancer, there is evidence that TP53 is associated with fertility, aging, and longevity. Additionally, more evidence exists that genetic variants in TP53 are associated with environmental adaptation. Special TP53 amino-acid residues or pathogenic TP53 mutations seem to be adaptive for animals living in hypoxic and cold environments or having been exposed to starvation, respectively. At the somatic level, it has recently been proven that multiple cancer genes, including TP53, are under positive selection in healthy human tissues. It is not clear why these driver mutations do not transform these tissues into cancerous ones. Other studies have shown that elephants have multiple TP53 copies, probably this being the reason for the very low cancer incidence in these large animals. This may explain the famous Peto's paradox. This review discusses in detail the multilevel role of TP53 in adaptation, according to the published evidence. This role is complicated, and it extends from cells to individuals and to populations.
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Affiliation(s)
- Konstantinos Voskarides
- Department of Basic and Clinical Sciences, University of Nicosia Medical School, 2414 Nicosia, Cyprus
- School of Veterinary Medicine, University of Nicosia, 2414 Nicosia, Cyprus
- Correspondence: ; Tel.: +357-22-471-819
| | - Nefeli Giannopoulou
- Department of Basic and Clinical Sciences, University of Nicosia Medical School, 2414 Nicosia, Cyprus
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Voskarides K, Koutsofti C, Pozova M. TP53 Mutant Versus Wild-Type Zebrafish Larvae Under Starvation Stress: Larvae Can Live Up to 17 Days Post-Fertilization Without Food. Zebrafish 2022; 19:49-55. [PMID: 35417275 DOI: 10.1089/zeb.2022.0003] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
In this study, an experimental protocol has been developed for comparing survival rates of mutant and wild-type zebrafish larvae under extreme starvation. Zebrafish larvae were placed in 96-well plates at fourth day postfertilization (dpf) and larvae were not fed at all from hatching to cease. Zdf1 zebrafish line was used, a strain carrying the (cancer) pathogenic TP53-M214K amino acid substitution. TP53-M214 corresponds to the human TP53-M246 and both residues are located on the DNA-binding domain of the p53 protein. Survival statistical analysis did not show any significant difference in the overall survival rates between homozygous mutant and wild-type larvae. When considering 15 dpf as the endpoint of the experiment (66% of larvae died), a borderline statistical significance was observed for the dominant model of inheritance (p = 0.015; relative hazard = 0.8320). Despite the fact yolk sac of larvae is depleted at 7-8 dpf, 34% of larvae survive until 15 dpf and 1.5% until 17 dpf. Concluding, three main results derive from this study: (1) pathogenic homozygous mutations in TP53 probably do not alter survival rates of zebrafish larvae under starvation; (2) zebrafish larvae can live up to 17 dpf without food, surviving only with their initial nutritional supplies; and (3) an easy and affordable protocol has been developed for estimating survival rates of zebrafish larvae under stressful conditions.
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Affiliation(s)
| | - Constantina Koutsofti
- Center of Excellence in Biobanking and Biomedical Research, Molecular Medicine Research Center, University of Cyprus Medical School, Nicosia, Cyprus
| | - Maria Pozova
- Medical School, University of Cyprus, Nicosia, Cyprus
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Bertoldo MJ, Listijono DR, Ho WHJ, Riepsamen AH, Goss DM, Richani D, Jin XL, Mahbub S, Campbell JM, Habibalahi A, Loh WGN, Youngson NA, Maniam J, Wong ASA, Selesniemi K, Bustamante S, Li C, Zhao Y, Marinova MB, Kim LJ, Lau L, Wu RM, Mikolaizak AS, Araki T, Le Couteur DG, Turner N, Morris MJ, Walters KA, Goldys E, O'Neill C, Gilchrist RB, Sinclair DA, Homer HA, Wu LE. NAD + Repletion Rescues Female Fertility during Reproductive Aging. Cell Rep 2021; 30:1670-1681.e7. [PMID: 32049001 PMCID: PMC7063679 DOI: 10.1016/j.celrep.2020.01.058] [Citation(s) in RCA: 167] [Impact Index Per Article: 55.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 11/03/2019] [Accepted: 01/17/2020] [Indexed: 12/31/2022] Open
Abstract
Reproductive aging in female mammals is an irreversible process associated with declining oocyte quality, which is the rate-limiting factor to fertility. Here, we show that this loss of oocyte quality with age accompanies declining levels of the prominent metabolic cofactor nicotinamide adenine dinucleotide (NAD+). Treatment with the NAD+ metabolic precursor nicotinamide mononucleotide (NMN) rejuvenates oocyte quality in aged animals, leading to restoration in fertility, and this can be recapitulated by transgenic overexpression of the NAD+-dependent deacylase SIRT2, though deletion of this enzyme does not impair oocyte quality. These benefits of NMN extend to the developing embryo, where supplementation reverses the adverse effect of maternal age on developmental milestones. These findings suggest that late-life restoration of NAD+ levels represents an opportunity to rescue female reproductive function in mammals. Declining oocyte quality is considered an irreversible feature of aging and is rate limiting for human fertility. Bertoldo et al. show that reversing an age-dependent decline in NAD(P)H restores oocyte quality, embryo development, and functional fertility in aged mice. These findings may be relevant to reproductive medicine.
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Affiliation(s)
- Michael J Bertoldo
- School of Medical Sciences, UNSW Sydney, Sydney, NSW, Australia; School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia
| | - Dave R Listijono
- School of Medical Sciences, UNSW Sydney, Sydney, NSW, Australia; School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia
| | - Wing-Hong Jonathan Ho
- School of Medical Sciences, UNSW Sydney, Sydney, NSW, Australia; School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia
| | | | - Dale M Goss
- School of Medical Sciences, UNSW Sydney, Sydney, NSW, Australia
| | - Dulama Richani
- School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia
| | - Xing L Jin
- Human Reproduction Unit, Kolling Institute, Sydney Medical School, University of Sydney, St Leonards, NSW, Australia
| | - Saabah Mahbub
- ARC Centre of Excellence in Nanoscale Biophotonics, UNSW Sydney, NSW, Australia
| | - Jared M Campbell
- ARC Centre of Excellence in Nanoscale Biophotonics, UNSW Sydney, NSW, Australia
| | - Abbas Habibalahi
- ARC Centre of Excellence in Nanoscale Biophotonics, UNSW Sydney, NSW, Australia
| | | | - Neil A Youngson
- School of Medical Sciences, UNSW Sydney, Sydney, NSW, Australia
| | - Jayanthi Maniam
- School of Medical Sciences, UNSW Sydney, Sydney, NSW, Australia
| | - Ashley S A Wong
- School of Medical Sciences, UNSW Sydney, Sydney, NSW, Australia
| | - Kaisa Selesniemi
- Paul F. Glenn Laboratories for the Biological Mechanisms of Aging, Harvard Medical School, Boston MA, USA; Jumpstart Fertility Pty Ltd., Sydney, NSW, Australia
| | - Sonia Bustamante
- Bioanalytical Mass Spectrometry Facility, Mark Wainwright Analytical Centre, UNSW Sydney, Sydney, NSW, Australia
| | - Catherine Li
- School of Medical Sciences, UNSW Sydney, Sydney, NSW, Australia
| | - Yiqing Zhao
- School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia
| | - Maria B Marinova
- School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia
| | - Lynn-Jee Kim
- School of Medical Sciences, UNSW Sydney, Sydney, NSW, Australia
| | - Laurin Lau
- School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia
| | - Rachael M Wu
- Graduate Entry Medical School, University of Limerick, Limerick, Republic of Ireland
| | | | - Toshiyuki Araki
- Department of Peripheral Nervous System Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - David G Le Couteur
- ANZAC Medical Research Institute, University of Sydney, Concord, NSW, Australia
| | - Nigel Turner
- School of Medical Sciences, UNSW Sydney, Sydney, NSW, Australia
| | | | - Kirsty A Walters
- School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia
| | - Ewa Goldys
- ARC Centre of Excellence in Nanoscale Biophotonics, UNSW Sydney, NSW, Australia
| | - Christopher O'Neill
- Human Reproduction Unit, Kolling Institute, Sydney Medical School, University of Sydney, St Leonards, NSW, Australia
| | - Robert B Gilchrist
- School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia
| | - David A Sinclair
- School of Medical Sciences, UNSW Sydney, Sydney, NSW, Australia; Paul F. Glenn Laboratories for the Biological Mechanisms of Aging, Harvard Medical School, Boston MA, USA.
| | - Hayden A Homer
- School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia; Christopher Chen Oocyte Biology Laboratory, University of Queensland Centre for Clinical Research, Royal Brisbane & Women's Hospital, Herston, QLD, Australia.
| | - Lindsay E Wu
- School of Medical Sciences, UNSW Sydney, Sydney, NSW, Australia.
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Ganeshan L, Jin XL, O'Neill C. The induction of tumour suppressor protein P53 limits the entry of cells into the pluripotent inner cell mass lineage in the mouse embryo. Exp Cell Res 2017; 358:227-233. [PMID: 28663058 DOI: 10.1016/j.yexcr.2017.06.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 06/21/2017] [Accepted: 06/23/2017] [Indexed: 11/28/2022]
Abstract
The early preimplantation embryo is susceptible to a range of exogenous stresses which result in their reduced long-term developmental potential. The P53 tumour suppressor protein is normally held at low levels in the preimplantation embryo and we show that culture stress induces the expression of a range of canonical P53-response genes (Mdm2, Bax and Cdkn1a). Culture stress caused a P53-dependent loss of cells from resulting blastocysts, and this was most evident within the inner cell mass population. Culture stress increased the proportion of cells expressing active caspase-3 and undergoing apoptosis, while inhibition of caspase-3 increased the number of cells within the inner cell mass. The P53-dependent loss of cells from the inner cell mass was accompanied by a loss of NANOG-positive epiblast progenitors. Pharmacological activation of P53 by the MDM2 inhibitor, Nutlin-3, also caused increased P53-dependent transcription and the loss of cells from the inner cell mass. This loss of cells could be ameliorated by simultaneous treatment with the P53 inhibitor, Pifithrin-α. Culture stress causes reduced signalling via the phosphatidylinositol-3-kinase signalling pathway, and blocking this pathway caused P53-dependent loss of cells from the inner cell mass. These results point to P53 acting to limit the accumulation and survival of cells within the pluripotent lineage of the blastocyst and provide a molecular framework for the further investigation of the factors determining the effects of stressors on the embryo's developmental potential.
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Affiliation(s)
- L Ganeshan
- Human Reproduction Unit, Kolling Institute, Sydney Medical School, University of Sydney, NSW 2065, Australia
| | - X L Jin
- Human Reproduction Unit, Kolling Institute, Sydney Medical School, University of Sydney, NSW 2065, Australia
| | - C O'Neill
- Human Reproduction Unit, Kolling Institute, Sydney Medical School, University of Sydney, NSW 2065, Australia.
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Bertoldo MJ, Locatelli Y, O'Neill C, Mermillod P. Impacts of and interactions between environmental stress and epigenetic programming during early embryo development. Reprod Fertil Dev 2017; 27:1125-36. [PMID: 24965854 DOI: 10.1071/rd14049] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2014] [Accepted: 03/31/2014] [Indexed: 01/24/2023] Open
Abstract
The processes of assisted reproductive technologies (ART) involve a variety of interventions that impact on the oocyte and embryo. Critically, these interventions cause considerable stress and coincide with important imprinting events throughout gametogenesis, fertilisation and early embryonic development. It is now accepted that the IVM and in vitro development of gametes and embryos can perturb the natural course of development to varying degrees of severity. Altered gene expression and, more recently, imprinting disorders relating to ART have become a focused area of research. Although various hypotheses have been put forward, most research has been observational, with little attempt to discover the mechanisms and periods of sensitivity during embryo development that are influenced by the culture conditions following fertilisation. The embryo possesses innate survival factor signalling pathways, yet when an embryo is placed in culture, this signalling in response to in vitro stress becomes critically important in mitigating the effects of stresses caused by the in vitro environment. It is apparent that not all embryos possess this ability to adequately adapt to the stresses experienced in vitro, most probably due to an inadequate oocyte. It is speculated that it is important that embryos use their survival signalling mechanisms to maintain normal epigenetic programming. The seeming redundancy in the function of various survival signalling pathways would support this notion. Any invasion into the natural, highly orchestrated and dynamic process of sexual reproduction could perturb the normal progression of epigenetic programming. Therefore the source of gametes and the subsequent culture conditions of gametes and embryos are critically important and require careful attention. It is the aim of this review to highlight avenues of research to elucidate the effects of stress and the relationship with epigenetic programming. The short- and long-term health and viability of human and animal embryos derived in vitro will also be discussed.
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Affiliation(s)
- Michael J Bertoldo
- Institut National de la Recherche Agronomique (INRA), UMR85 Physiologie de la Reproduction et des Comportements, F-37380 Nouzilly, France
| | - Yann Locatelli
- Institut National de la Recherche Agronomique (INRA), UMR85 Physiologie de la Reproduction et des Comportements, F-37380 Nouzilly, France
| | - Christopher O'Neill
- Centre for Developmental and Regenerative Medicine, Kolling Institute for Medical Research, Sydney Medical School, University of Sydney, NSW 2065, Australia
| | - Pascal Mermillod
- Institut National de la Recherche Agronomique (INRA), UMR85 Physiologie de la Reproduction et des Comportements, F-37380 Nouzilly, France
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