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Kołodziej-Wojnar P, Borkowska J, Domaszewska-Szostek A, Bujanowska O, Noszczyk B, Krześniak N, Stańczyk M, Puzianowska-Kuznicka M. Ten-Eleven Translocation 1 and 2 Enzymes Affect Human Skin Fibroblasts in an Age-Related Manner. Biomedicines 2023; 11:1659. [PMID: 37371754 DOI: 10.3390/biomedicines11061659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 06/01/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Ten-eleven translocation (TET) enzymes catalyze the oxidation of 5-methylcytosine (5mC), first to 5-hydroxymethylcytosine (5hmC), then to 5-formylcytosine (5fC), and finally to 5-carboxycytosine (5caC). Evidence suggests that changes in TET expression may impact cell function and the phenotype of aging. Proliferation, apoptosis, markers of autophagy and double-strand DNA break repair, and the expression of Fibulin 5 were assessed by flow cytometry in TET1 and TET2-overexpressing fibroblasts isolated from sun-unexposed skin of young (23-35 years) and age-advanced (75-94 years) individuals. In cells derived from young individuals, TET1 overexpression resulted in the inhibition of proliferation and apoptosis by 37% (p = 0.03) and 24% (p = 0.05), respectively, while the overexpression of TET2 caused a decrease in proliferation by 46% (p = 0.01). Notably, in cells obtained from age-advanced individuals, TETs exhibited different effects. Specifically, TET1 inhibited proliferation and expression of autophagy marker Beclin 1 by 45% (p = 0.05) and 28% (p = 0.048), respectively, while increasing the level of γH2AX, a marker of double-strand DNA breaks necessary for initiating the repair process, by 19% (p = 0.04). TET2 inhibited proliferation by 64% (p = 0.053) and increased the level of γH2AX and Fibulin 5 by 46% (p = 0.007) and 29% (p = 0.04), respectively. These patterns of TET1 and TET2 effects suggest their involvement in regulating various fibroblast functions and that some of their biological actions depend on the donor's age.
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Affiliation(s)
- Paulina Kołodziej-Wojnar
- Department of Geriatrics and Gerontology, Medical Centre of Postgraduate Education, 01-813 Warsaw, Poland
- Department of Human Epigenetics, Mossakowski Medical Research Institute, PAS, 02-106 Warsaw, Poland
| | - Joanna Borkowska
- Department of Human Epigenetics, Mossakowski Medical Research Institute, PAS, 02-106 Warsaw, Poland
| | - Anna Domaszewska-Szostek
- Department of Human Epigenetics, Mossakowski Medical Research Institute, PAS, 02-106 Warsaw, Poland
| | - Olga Bujanowska
- Department of Human Epigenetics, Mossakowski Medical Research Institute, PAS, 02-106 Warsaw, Poland
| | - Bartłomiej Noszczyk
- Department of Plastic Surgery, Medical Centre of Postgraduate Education, 01-813 Warsaw, Poland
| | - Natalia Krześniak
- Department of Plastic Surgery, Medical Centre of Postgraduate Education, 01-813 Warsaw, Poland
| | - Marek Stańczyk
- Department of General and Oncological Surgery with Traumatic Unit, Wolski Hospital, 01-211 Warsaw, Poland
- Faculty of Medicine, Lazarski University, 02-662 Warsaw, Poland
| | - Monika Puzianowska-Kuznicka
- Department of Geriatrics and Gerontology, Medical Centre of Postgraduate Education, 01-813 Warsaw, Poland
- Department of Human Epigenetics, Mossakowski Medical Research Institute, PAS, 02-106 Warsaw, Poland
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Qin M, Chen W, Hua L, Meng Y, Wang J, Li H, Yang R, Yan L, Qiao J. DNA methylation abnormalities induced by advanced maternal age in villi prime a high-risk state for spontaneous abortion. Clin Epigenetics 2023; 15:44. [PMID: 36945044 PMCID: PMC10029192 DOI: 10.1186/s13148-023-01432-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 01/20/2023] [Indexed: 03/23/2023] Open
Abstract
BACKGROUND Advanced maternal age (AMA) has increased in many high-income countries in recent decades. AMA is generally associated with a higher risk of various pregnancy complications, and the underlying molecular mechanisms are largely unknown. In the current study, we profiled the DNA methylome of 24 human chorionic villi samples (CVSs) from early pregnancies in AMA and young maternal age (YMA), 11 CVSs from early spontaneous abortion (SA) cases using reduced representation bisulfite sequencing (RRBS), and the transcriptome of 10 CVSs from AMA and YMA pregnancies with mRNA sequencing(mRNA-seq). Single-cell villous transcriptional atlas presented expression patterns of targeted AMA-/SA-related genes. Trophoblast cellular impairment was investigated through the knockdown of GNE expression in HTR8-S/Vneo cells. RESULTS AMA-induced local DNA methylation changes, defined as AMA-related differentially methylated regions (DMRs), may be derived from the abnormal expression of genes involved in DNA demethylation, such as GADD45B. These DNA methylation changes were significantly enriched in the processes involved in NOTCH signaling and extracellular matrix organization and were reflected in the transcriptional alterations in the corresponding biological processes and specific genes. Furthermore, the DNA methylation level of special AMA-related DMRs not only significantly changed in AMA but also showed more excessive defects in CVS from spontaneous abortion (SA), including four AMA-related DMRs whose nearby genes overlapped with AMA-related differentially expressed genes (DEGs) (CDK11A, C19orf71, COL5A1, and GNE). The decreased DNA methylation level of DMR near GNE was positively correlated with the downregulated expression of GNE in AMA. Single-cell atlas further revealed comparatively high expression of GNE in the trophoblast lineage, and knockdown of GNE in HTR8-S/Vneo cells significantly impaired cellular proliferation and migration. CONCLUSION Our study provides valuable resources for investigating AMA-induced epigenetic abnormalities and provides new insights for explaining the increased risks of pregnancy complications in AMA pregnancies.
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Affiliation(s)
- Meng Qin
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China
- National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Wei Chen
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China
- National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Lingyue Hua
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China
- National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Yan Meng
- Department of Obstetrics and Gynecology, Beijing Jishuitan Hospital, Beijing, 100096, China
| | - Jing Wang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China
- National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Hanna Li
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China
- National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Rui Yang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China
- National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Liying Yan
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China.
- National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, 100191, China.
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, 100191, China.
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China.
- National Center for Healthcare Quality Management in Obstetrics, Beijing, 100191, China.
| | - Jie Qiao
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China.
- National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, 100191, China.
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, 100191, China.
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China.
- Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China.
- Beijing Advanced Innovation Center for Genomics, Beijing, 100871, China.
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, 100871, China.
- Research Units of Comprehensive Diagnosis and Treatment of Oocyte Maturation Arrest, Beijing Jishuitan Hospital, Beijing, 100191, China.
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Zhang YX, Wei QY, Wang YT, Zeng LP, Sun SY, Wu YF, Ren CY, Wang F, Chen GH, Cao L. A postpartum enriched environment rescues impaired cognition and oxidative markers in aged mice with gestational inflammation. Brain Behav 2022; 12:e2817. [PMID: 36409568 PMCID: PMC9759132 DOI: 10.1002/brb3.2817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 10/16/2022] [Accepted: 10/22/2022] [Indexed: 11/23/2022] Open
Abstract
INTRODUCTION Previous studies have shown that gestational inflammation can accelerate age-associated cognitive decline (AACD) in maternal mice; enriched environments (EEs) have been reported to protect normally aging mice from AACD and improve mitochondrial function. However, it is unclear whether the nitrosative stress-related proteins tet methylcytosine dioxygenase 1 (TET1) and S-nitrosoglutathione reductase (GSNOR) are involved in the accelerated aging process of gestational inflammation and whether EEs can slow this process. METHODS In this study, CD-1 female mice on the 15th day of pregnancy were injected with bacterial lipopolysaccharide (50 μg/kg; LPS group) or an equivalent amount of normal saline (CON group) from the abdominal cavity for 4 consecutive days. Twenty-one days after delivery, half of the LPS-treated mice were randomly selected for EE until the end of the behavioral experiment (LPS-E group). When the female rats were raised to 6 months and 18 months of age, the Morris water maze (MWM) was used to detect spatial learning and memory ability; RT-PCR and Western blots were used to measure the mRNA and protein levels of hippocampal TET1 and GSNOR. RESULTS As for the control group, compared with 6-month-old mice, the spatial learning and memory ability of 18-month-old mice decreased, and the hippocampal TET1 and GSNOR mRNA and protein levels were decreased. Gestational inflammation exacerbated these age-related changes, but an EE alleviated the effects. Pearson's correlation analysis indicated that performance during the learning and memory periods in the MWM correlated with the levels of hippocampal TET1 and GSNOR. CONCLUSIONS Our findings suggest that gestational inflammation accelerates age-related learning and memory impairments and that postpartum EE exposure could alleviate these changes. These effects may be related to hippocampal TET1 and GSNOR expression.
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Affiliation(s)
- Yu-Xin Zhang
- Department of Neurology, the Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui Province, P. R. China.,Department of Neurology, Bengbu Second People's Hospital, Bengbu, Anhui Province, P. R. China
| | - Qi-Yao Wei
- Department of Neurology, the Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui Province, P. R. China
| | - Ya-Tao Wang
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei (Chaohu), Anhui, P. R. China
| | - Li-Ping Zeng
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei (Chaohu), Anhui, P. R. China
| | - Shi-Yu Sun
- Department of Neurology, The First Affiliated Hospital of Anhui University of Science and Technology, Huainan, Anhui Province, P. R. China
| | - Yong-Fang Wu
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei (Chaohu), Anhui, P. R. China
| | - Chong-Yang Ren
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei (Chaohu), Anhui, P. R. China
| | - Fang Wang
- Department of Neurology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui Province, P. R. China
| | - Gui-Hai Chen
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei (Chaohu), Anhui, P. R. China
| | - Lei Cao
- Department of Neurology, the Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui Province, P. R. China
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Ageing affects subtelomeric DNA methylation in blood cells from a large European population enrolled in the MARK-AGE study. GeroScience 2021; 43:1283-1302. [PMID: 33870444 PMCID: PMC8190237 DOI: 10.1007/s11357-021-00347-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 02/23/2021] [Indexed: 11/23/2022] Open
Abstract
Ageing leaves characteristic traces in the DNA methylation make-up of the genome. However, the importance of DNA methylation in ageing remains unclear. The study of subtelomeric regions could give promising insights into this issue. Previously reported associations between susceptibility to age-related diseases and epigenetic instability at subtelomeres suggest that the DNA methylation profile of subtelomeres undergoes remodelling during ageing. In the present work, this hypothesis has been tested in the context of the European large-scale project MARK-AGE. In this cross-sectional study, we profiled the DNA methylation of chromosomes 5 and 21 subtelomeres, in more than 2000 age-stratified women and men recruited in eight European countries. The study included individuals from the general population as well as the offspring of nonagenarians and Down syndrome subjects, who served as putative models of delayed and accelerated ageing, respectively. Significant linear changes of subtelomeric DNA methylation with increasing age were detected in the general population, indicating that subtelomeric DNA methylation changes are typical signs of ageing. Data also show that, compared to the general population, the dynamics of age-related DNA methylation changes are attenuated in the offspring of centenarian, while they accelerate in Down syndrome individuals. This result suggests that subtelomeric DNA methylation changes reflect the rate of ageing progression. We next attempted to trace the age-related changes of subtelomeric methylation back to the influence of diverse variables associated with methylation variations in the population, including demographics, dietary/health habits and clinical parameters. Results indicate that the effects of age on subtelomeric DNA methylation are mostly independent of all other variables evaluated.
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Kołodziej-Wojnar P, Borkowska J, Wicik Z, Domaszewska-Szostek A, Połosak J, Cąkała-Jakimowicz M, Bujanowska O, Puzianowska-Kuznicka M. Alterations in the Genomic Distribution of 5hmC in In Vivo Aged Human Skin Fibroblasts. Int J Mol Sci 2020; 22:ijms22010078. [PMID: 33374812 PMCID: PMC7794952 DOI: 10.3390/ijms22010078] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 12/21/2020] [Indexed: 12/13/2022] Open
Abstract
5-Hydroxymethylcytosine (5hmC) is a functionally active epigenetic modification. We analyzed whether changes in DNA 5-hydroxymethylation are an element of age-related epigenetic drift. We tested primary fibroblast cultures originating from individuals aged 22-35 years and 74-94 years. Global quantities of methylation-related DNA modifications were estimated by the dot blot and colorimetric methods. Regions of the genome differentially hydroxymethylated with age (DHMRs) were identified by hMeDIP-seq and the MEDIPS and DiffBind algorithms. Global levels of DNA modifications were not associated with age. We identified numerous DHMRs that were enriched within introns and intergenic regions and most commonly associated with the H3K4me1 histone mark, promoter-flanking regions, and CCCTC-binding factor (CTCF) binding sites. However, only seven DHMRs were identified by both algorithms and all of their settings. Among them, hypo-hydroxymethylated DHMR in the intron of Rab Escort Protein 1 (CHM) coexisted with increased expression in old cells, while increased 5-hydroxymethylation in the bodies of Arginine and Serine Rich Protein 1 (RSRP1) and Mitochondrial Poly(A) Polymerase (MTPAP) did not change their expression. These age-related differences were not associated with changes in the expression of any of the ten-eleven translocation (TET) enzymes or their activity. In conclusion, the distribution of 5hmC in DNA of in vivo aged human fibroblasts underwent age-associated modifications. The identified DHMRs are, likely, marker changes.
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Affiliation(s)
- Paulina Kołodziej-Wojnar
- Department of Geriatrics and Gerontology, Medical Centre of Postgraduate Education, 01-813 Warsaw, Poland;
- Department of Human Epigenetics, Mossakowski Medical Research Centre, PAS, A. Pawinskiego 5, 02-106 Warsaw, Poland; (J.B.); (Z.W.); (A.D.-S.); (J.P.); (M.C.-J.); (O.B.)
| | - Joanna Borkowska
- Department of Human Epigenetics, Mossakowski Medical Research Centre, PAS, A. Pawinskiego 5, 02-106 Warsaw, Poland; (J.B.); (Z.W.); (A.D.-S.); (J.P.); (M.C.-J.); (O.B.)
| | - Zofia Wicik
- Department of Human Epigenetics, Mossakowski Medical Research Centre, PAS, A. Pawinskiego 5, 02-106 Warsaw, Poland; (J.B.); (Z.W.); (A.D.-S.); (J.P.); (M.C.-J.); (O.B.)
| | - Anna Domaszewska-Szostek
- Department of Human Epigenetics, Mossakowski Medical Research Centre, PAS, A. Pawinskiego 5, 02-106 Warsaw, Poland; (J.B.); (Z.W.); (A.D.-S.); (J.P.); (M.C.-J.); (O.B.)
| | - Jacek Połosak
- Department of Human Epigenetics, Mossakowski Medical Research Centre, PAS, A. Pawinskiego 5, 02-106 Warsaw, Poland; (J.B.); (Z.W.); (A.D.-S.); (J.P.); (M.C.-J.); (O.B.)
- Institute of Medical Science, Faculty of Medicine, Collegium Medicum, Cardinal Stefan Wyszynski University in Warsaw, 01-938 Warsaw, Poland
| | - Marta Cąkała-Jakimowicz
- Department of Human Epigenetics, Mossakowski Medical Research Centre, PAS, A. Pawinskiego 5, 02-106 Warsaw, Poland; (J.B.); (Z.W.); (A.D.-S.); (J.P.); (M.C.-J.); (O.B.)
| | - Olga Bujanowska
- Department of Human Epigenetics, Mossakowski Medical Research Centre, PAS, A. Pawinskiego 5, 02-106 Warsaw, Poland; (J.B.); (Z.W.); (A.D.-S.); (J.P.); (M.C.-J.); (O.B.)
| | - Monika Puzianowska-Kuznicka
- Department of Geriatrics and Gerontology, Medical Centre of Postgraduate Education, 01-813 Warsaw, Poland;
- Department of Human Epigenetics, Mossakowski Medical Research Centre, PAS, A. Pawinskiego 5, 02-106 Warsaw, Poland; (J.B.); (Z.W.); (A.D.-S.); (J.P.); (M.C.-J.); (O.B.)
- Correspondence: ; Tel.: +48-22-6086410
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Kouidou S, Malousi A, Andreou AZ. Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection: Triggering a Lethal Fight to Keep Control of the Ten-Eleven Translocase (TET)-Associated DNA Demethylation? Pathogens 2020; 9:E1006. [PMID: 33266135 PMCID: PMC7760189 DOI: 10.3390/pathogens9121006] [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: 09/16/2020] [Revised: 11/15/2020] [Accepted: 11/25/2020] [Indexed: 02/07/2023] Open
Abstract
The extended and diverse interference of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in multiple host functions and the diverse associated symptoms implicate its involvement in fundamental cellular regulatory processes. The activity of ten-eleven translocase 2 (TET2) responsible for selective DNA demethylation, has been recently identified as a regulator of endogenous virus inactivation and viral invasion, possibly by proteasomal deregulation of the TET2/TET3 activities. In a recent report, we presented a detailed list of factors that can be affected by TET activity, including recognition of zinc finger protein binding sites and bimodal promoters, by enhancing the flexibility of adjacent sequences. In this review, we summarize the TET-associated processes and factors that could account for SARS-CoV-2 diverse symptoms. Moreover, we provide a correlation for the observed virus-induced symptoms that have been previously associated with TET activities by in vitro and in vitro studies. These include early hypoxia, neuronal regulation, smell and taste development, liver, intestinal, and cardiomyocyte differentiation. Finally, we propose that the high mortality of SARS-CoV-2 among adult patients, the different clinical symptoms of adults compared to children, the higher risk of patients with metabolic deregulation, and the low mortality rates among women can all be accounted for by the complex balance of the three enzymes with TET activity, which is developmentally regulated. This activity is age-dependent, related to telomere homeostasis and integrity, and associated with X chromosome inactivation via (de)regulation of the responsible XIST gene expression.
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Affiliation(s)
- Sofia Kouidou
- Lab of Biological Chemistry, Medical School, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece;
| | - Andigoni Malousi
- Lab of Biological Chemistry, Medical School, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece;
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Kinetics and mechanisms of mitotic inheritance of DNA methylation and their roles in aging-associated methylome deterioration. Cell Res 2020; 30:980-996. [PMID: 32581343 DOI: 10.1038/s41422-020-0359-9] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Accepted: 05/27/2020] [Indexed: 12/16/2022] Open
Abstract
Mitotic inheritance of the DNA methylome is a challenging task for the maintenance of cell identity. Whether DNA methylation pattern in different genomic contexts can all be faithfully maintained is an open question. A replication-coupled DNA methylation maintenance model was proposed decades ago, but some observations suggest that a replication-uncoupled maintenance mechanism exists. However, the capacity and the underlying molecular events of replication-uncoupled maintenance are unclear. By measuring maintenance kinetics at the single-molecule level and assessing mutant cells with perturbation of various mechanisms, we found that the kinetics of replication-coupled maintenance are governed by the UHRF1-Ligase 1 and PCNA-DNMT1 interactions, whereas nucleosome occupancy and the interaction between UHRF1 and methylated H3K9 specifically regulate replication-uncoupled maintenance. Surprisingly, replication-uncoupled maintenance is sufficiently robust to largely restore the methylome when replication-coupled maintenance is severely impaired. However, solo-WCGW sites and other CpG sites displaying aging- and cancer-associated hypomethylation exhibit low maintenance efficiency, suggesting that although quite robust, mitotic inheritance of methylation is imperfect and that this imperfection may contribute to selective hypomethylation during aging and tumorigenesis.
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Huang G, Liu L, Wang H, Gou M, Gong P, Tian C, Deng W, Yang J, Zhou TT, Xu GL, Liu L. Tet1 Deficiency Leads to Premature Reproductive Aging by Reducing Spermatogonia Stem Cells and Germ Cell Differentiation. iScience 2020; 23:100908. [PMID: 32114381 PMCID: PMC7049665 DOI: 10.1016/j.isci.2020.100908] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 12/08/2019] [Accepted: 02/07/2020] [Indexed: 12/17/2022] Open
Abstract
Ten-eleven translocation (Tet) enzymes are involved in DNA demethylation, important in regulating embryo development, stem cell pluripotency and tumorigenesis. Alterations of DNA methylation with age have been shown in various somatic cell types. We investigated whether Tet1 and Tet2 regulate aging. We showed that Tet1-deficient mice undergo a progressive reduction of spermatogonia stem cells and spermatogenesis and thus accelerated infertility with age. Tet1 deficiency decreases 5hmC levels in spermatogonia and downregulates a subset of genes important for cell cycle, germ cell differentiation, meiosis and reproduction, such as Ccna1 and Spo11, resulting in premature reproductive aging. Moreover, Tet1 and 5hmC both regulate signaling pathways key for stem cell development, including Wnt and PI3K-Akt, autophagy and stress response genes. In contrast, effect of Tet2 deficiency on male reproductive aging is minor. Hence, Tet1 maintains spermatogonia stem cells with age, revealing an important role of Tet1 in regulating stem cell aging. Tet1 regulates stem cell aging and differentiation Tet1 plays an important role in maintaining spermatogonial stem cells Loss of Tet1 results in exhaustion of spermatogonia and premature reproductive aging Effect of Tet2 deficiency on reproductive aging in males is minor
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Affiliation(s)
- Guian Huang
- Department of Cell Biology and Genetics, College of Life Sciences, Nankai University, Tianjin 300071, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
| | - Linlin Liu
- Department of Cell Biology and Genetics, College of Life Sciences, Nankai University, Tianjin 300071, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
| | - Huasong Wang
- Department of Cell Biology and Genetics, College of Life Sciences, Nankai University, Tianjin 300071, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
| | - Mo Gou
- Department of Cell Biology and Genetics, College of Life Sciences, Nankai University, Tianjin 300071, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
| | - Peng Gong
- Department of Cell Biology and Genetics, College of Life Sciences, Nankai University, Tianjin 300071, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
| | - Chenglei Tian
- Department of Cell Biology and Genetics, College of Life Sciences, Nankai University, Tianjin 300071, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
| | - Wei Deng
- Department of Cell Biology and Genetics, College of Life Sciences, Nankai University, Tianjin 300071, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
| | - Jiao Yang
- Department of Cell Biology and Genetics, College of Life Sciences, Nankai University, Tianjin 300071, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
| | - Tian-Tian Zhou
- State Key Laboratory of Molecular Biology, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai 200031, China
| | - Guo-Liang Xu
- State Key Laboratory of Molecular Biology, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai 200031, China.
| | - Lin Liu
- Department of Cell Biology and Genetics, College of Life Sciences, Nankai University, Tianjin 300071, China; State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China.
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9
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Borkowska J, Domaszewska-Szostek A, Kołodziej P, Wicik Z, Połosak J, Buyanovskaya O, Charzewski L, Stańczyk M, Noszczyk B, Puzianowska-Kuznicka M. Alterations in 5hmC level and genomic distribution in aging-related epigenetic drift in human adipose stem cells. Epigenomics 2020; 12:423-437. [PMID: 32031421 DOI: 10.2217/epi-2019-0131] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Aim: To clarify mechanisms affecting the level and distribution of 5-hydroxymethylcytosine (5hmC) during aging. Materials & methods: We examined levels and genomic distribution of 5hmC along with the expression of ten-eleven translocation methylcytosine dioxygenases (TETs) in adipose stem cells in young and age-advanced individuals. Results: 5hmC levels were higher in adipose stem cells of age-advanced than young individuals (p = 0.0003), but were not associated with age-related changes in expression of TETs. 5hmC levels correlated with population doubling time (r = 0.62; p = 0.01). We identified 58 differentially hydroxymethylated regions. Hypo-hydroxymethylated differentially hydroxymethylated regions were approximately twofold enriched in CCCTC-binding factor binding sites. Conclusion: Accumulation of 5hmC in aged cells can result from inefficient active demethylation due to altered TETs activity and reduced passive demethylation due to slower proliferation.
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Affiliation(s)
- Joanna Borkowska
- Department of Human Epigenetics, Mossakowski Medical Research Centre, PAS, 5 Pawinskiego Street, 02-106 Warsaw, Poland
| | - Anna Domaszewska-Szostek
- Department of Human Epigenetics, Mossakowski Medical Research Centre, PAS, 5 Pawinskiego Street, 02-106 Warsaw, Poland
| | - Paulina Kołodziej
- Department of Geriatrics & Gerontology, Medical Centre of Postgraduate Education, 61/63 Kleczewska Street, 01-826 Warsaw, Poland
| | - Zofia Wicik
- Department of Human Epigenetics, Mossakowski Medical Research Centre, PAS, 5 Pawinskiego Street, 02-106 Warsaw, Poland
| | - Jacek Połosak
- Department of Human Epigenetics, Mossakowski Medical Research Centre, PAS, 5 Pawinskiego Street, 02-106 Warsaw, Poland
| | - Olga Buyanovskaya
- Department of Human Epigenetics, Mossakowski Medical Research Centre, PAS, 5 Pawinskiego Street, 02-106 Warsaw, Poland
| | - Lukasz Charzewski
- Faculty of Physics, University of Warsaw, 5 Pasteur Street, 02-093 Warsaw, Poland
| | - Marek Stańczyk
- Department of General Surgery, Wolski Hospital, 17 Kasprzaka Street, 01-211 Warsaw, Poland
| | - Bartłomiej Noszczyk
- Department of Plastic Surgery, Medical Centre of Postgraduate Education, 99/103 Marymoncka Street, 01-813 Warsaw, Poland
| | - Monika Puzianowska-Kuznicka
- Department of Human Epigenetics, Mossakowski Medical Research Centre, PAS, 5 Pawinskiego Street, 02-106 Warsaw, Poland.,Department of Geriatrics & Gerontology, Medical Centre of Postgraduate Education, 61/63 Kleczewska Street, 01-826 Warsaw, Poland
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10
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Ferrucci L, Gonzalez‐Freire M, Fabbri E, Simonsick E, Tanaka T, Moore Z, Salimi S, Sierra F, de Cabo R. Measuring biological aging in humans: A quest. Aging Cell 2020; 19:e13080. [PMID: 31833194 PMCID: PMC6996955 DOI: 10.1111/acel.13080] [Citation(s) in RCA: 313] [Impact Index Per Article: 78.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 10/22/2019] [Accepted: 10/27/2019] [Indexed: 12/16/2022] Open
Abstract
The global population of individuals over the age of 65 is growing at an unprecedented rate and is expected to reach 1.6 billion by 2050. Most older individuals are affected by multiple chronic diseases, leading to complex drug treatments and increased risk of physical and cognitive disability. Improving or preserving the health and quality of life of these individuals is challenging due to a lack of well-established clinical guidelines. Physicians are often forced to engage in cycles of "trial and error" that are centered on palliative treatment of symptoms rather than the root cause, often resulting in dubious outcomes. Recently, geroscience challenged this view, proposing that the underlying biological mechanisms of aging are central to the global increase in susceptibility to disease and disability that occurs with aging. In fact, strong correlations have recently been revealed between health dimensions and phenotypes that are typical of aging, especially with autophagy, mitochondrial function, cellular senescence, and DNA methylation. Current research focuses on measuring the pace of aging to identify individuals who are "aging faster" to test and develop interventions that could prevent or delay the progression of multimorbidity and disability with aging. Understanding how the underlying biological mechanisms of aging connect to and impact longitudinal changes in health trajectories offers a unique opportunity to identify resilience mechanisms, their dynamic changes, and their impact on stress responses. Harnessing how to evoke and control resilience mechanisms in individuals with successful aging could lead to writing a new chapter in human medicine.
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Affiliation(s)
- Luigi Ferrucci
- Translational Gerontology BranchBiomedical Research CenterNational Institute on AgingNational Institutes of HealthBaltimoreMDUSA
| | - Marta Gonzalez‐Freire
- Translational Gerontology BranchBiomedical Research CenterNational Institute on AgingNational Institutes of HealthBaltimoreMDUSA
| | - Elisa Fabbri
- Translational Gerontology BranchBiomedical Research CenterNational Institute on AgingNational Institutes of HealthBaltimoreMDUSA
- Department of Medical and Surgical SciencesUniversity of BolognaBolognaItaly
| | - Eleanor Simonsick
- Translational Gerontology BranchBiomedical Research CenterNational Institute on AgingNational Institutes of HealthBaltimoreMDUSA
| | - Toshiko Tanaka
- Translational Gerontology BranchBiomedical Research CenterNational Institute on AgingNational Institutes of HealthBaltimoreMDUSA
| | - Zenobia Moore
- Translational Gerontology BranchBiomedical Research CenterNational Institute on AgingNational Institutes of HealthBaltimoreMDUSA
| | - Shabnam Salimi
- Department of Epidemiology and Public HealthUniversity of Maryland School of MedicineBaltimoreMDUSA
| | - Felipe Sierra
- Division of Aging BiologyNational Institute on AgingNIHBethesdaMDUSA
| | - Rafael de Cabo
- Translational Gerontology BranchBiomedical Research CenterNational Institute on AgingNational Institutes of HealthBaltimoreMDUSA
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11
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Guarasci F, D'Aquila P, Montesanto A, Corsonello A, Bellizzi D, Passarino G. Individual DNA Methylation Profile is Correlated with Age and can be Targeted to Modulate Healthy Aging and Longevity. Curr Pharm Des 2019; 25:4139-4149. [DOI: 10.2174/1381612825666191112095655] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 11/07/2019] [Indexed: 02/06/2023]
Abstract
:Patterns of DNA methylation, the best characterized epigenetic modification, are modulated by aging. In humans, different studies at both site-specific and genome-wide levels have reported that modifications of DNA methylation are associated with the chronological aging process but also with the quality of aging (or biological aging), providing new perspectives for establishing powerful biomarkers of aging.:In this article, the role of DNA methylation in aging and longevity has been reviewed by analysing literature data about DNA methylation variations occurring during the lifetime in response to environmental factors and genetic background, and their association with the aging process and, in particular, with the quality of aging. Special attention has been devoted to the relationship between nuclear DNA methylation patterns, mitochondrial DNA epigenetic modifications, and longevity. Mitochondrial DNA has recently been reported to modulate global DNA methylation levels of the nuclear genome during the lifetime, and, in spite of the previous belief, it has been found to be the target of methylation modifications.:Analysis of DNA methylation profiles across lifetime shows that a remodeling of the methylome occurs with age and/or with age-related decline. Thus, it can be an excellent biomarker of aging and of the individual decline and frailty status. The knowledge about the mechanisms underlying these modifications is crucial since it might allow the opportunity for targeted treatment to modulate the rate of aging and longevity.
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Affiliation(s)
- Francesco Guarasci
- Department of Biology, Ecology and Earth Science, University of Calabria, 87030 Rende, Italy
| | - Patrizia D'Aquila
- Department of Biology, Ecology and Earth Science, University of Calabria, 87030 Rende, Italy
| | - Alberto Montesanto
- Department of Biology, Ecology and Earth Science, University of Calabria, 87030 Rende, Italy
| | - Andrea Corsonello
- Unit of Geriatric Pharmacoepidemiology, Scientific Research Institute - Italian National Research Center on Aging (IRCCS INRCA), Cosenza, Italy
| | - Dina Bellizzi
- Department of Biology, Ecology and Earth Science, University of Calabria, 87030 Rende, Italy
| | - Giuseppe Passarino
- Department of Biology, Ecology and Earth Science, University of Calabria, 87030 Rende, Italy
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12
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Cheng Y, He C, Wang M, Ma X, Mo F, Yang S, Han J, Wei X. Targeting epigenetic regulators for cancer therapy: mechanisms and advances in clinical trials. Signal Transduct Target Ther 2019; 4:62. [PMID: 31871779 PMCID: PMC6915746 DOI: 10.1038/s41392-019-0095-0] [Citation(s) in RCA: 553] [Impact Index Per Article: 110.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 10/16/2019] [Accepted: 10/24/2019] [Indexed: 02/05/2023] Open
Abstract
Epigenetic alternations concern heritable yet reversible changes in histone or DNA modifications that regulate gene activity beyond the underlying sequence. Epigenetic dysregulation is often linked to human disease, notably cancer. With the development of various drugs targeting epigenetic regulators, epigenetic-targeted therapy has been applied in the treatment of hematological malignancies and has exhibited viable therapeutic potential for solid tumors in preclinical and clinical trials. In this review, we summarize the aberrant functions of enzymes in DNA methylation, histone acetylation and histone methylation during tumor progression and highlight the development of inhibitors of or drugs targeted at epigenetic enzymes.
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Affiliation(s)
- Yuan Cheng
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Cai He
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Manni Wang
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Xuelei Ma
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Fei Mo
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Shengyong Yang
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Junhong Han
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Xiawei Wei
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
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13
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Nutritional Factors Modulating Alu Methylation in an Italian Sample from The Mark-Age Study Including Offspring of Healthy Nonagenarians. Nutrients 2019; 11:nu11122986. [PMID: 31817660 PMCID: PMC6950565 DOI: 10.3390/nu11122986] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 11/11/2019] [Accepted: 11/29/2019] [Indexed: 12/11/2022] Open
Abstract
Alu hypomethylation promotes genomic instability and is associated with aging and age-related diseases. Dietary factors affect global DNA methylation, leading to changes in genomic stability and gene expression with an impact on longevity and the risk of disease. This preliminary study aims to investigate the relationship between nutritional factors, such as circulating trace elements, lipids and antioxidants, and Alu methylation in elderly subjects and offspring of healthy nonagenarians. Alu DNA methylation was analyzed in sixty RASIG (randomly recruited age-stratified individuals from the general population) and thirty-two GO (GeHA offspring) enrolled in Italy in the framework of the MARK-AGE project. Factor analysis revealed a different clustering between Alu CpG1 and the other CpG sites. RASIG over 65 years showed lower Alu CpG1 methylation than those of GO subjects in the same age class. Moreover, Alu CpG1 methylation was associated with fruit and whole-grain bread consumption, LDL2-Cholesterol and plasma copper. The preserved Alu methylation status in GO, suggests Alu epigenetic changes as a potential marker of aging. Our preliminary investigation shows that Alu methylation may be affected by food rich in fibers and antioxidants, or circulating LDL subfractions and plasma copper.
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14
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Cencioni C, Gaetano C, Spallotta F. Dissecting cytosine methylation mechanics of dysmetabolism. Aging (Albany NY) 2019; 11:837-838. [PMID: 30674712 PMCID: PMC6382438 DOI: 10.18632/aging.101788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 01/17/2019] [Indexed: 11/25/2022]
Affiliation(s)
- Chiara Cencioni
- National Research Council, Institute of Cell Biology and Neurobiology, Monterotondo, Rome, Italy
| | - Carlo Gaetano
- Laboratorio di Epigenetica, Istituti Clinici Scientifici Maugeri, Pavia, Italy
| | - Francesco Spallotta
- Cancer Epigenetics Laboratory, Candiolo Cancer Institute, FPO - IRCCS - Candiolo, Turin, Italy
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15
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Asenso J, Wang L, Du Y, Liu QH, Xu BJ, Guo MZ, Tang DQ. Advances in detection and quantification of methylcytosine and its derivatives. J Sep Sci 2018; 42:1105-1116. [PMID: 30575277 DOI: 10.1002/jssc.201801100] [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: 10/21/2018] [Revised: 11/21/2018] [Accepted: 12/16/2018] [Indexed: 11/08/2022]
Abstract
Methylation of the fifth carbon atom in cytosine is an epigenetic modification of deoxyribonucleic acid that plays important roles in numerous cellular processes and disease pathogenesis. Three additional states of cytosine, that is, 5-hydroxymethylcytosine, 5-formylcytosine and 5-carboxylcytosine, have been identified and associated with the diagnosis and/or prognosis of diseases. However, accurate measurement of those intermediates is a challenge since their global levels are relatively low. A number of innovative methods have been developed to detect and quantify these compounds in biological samples, such as blood, tissue and urine, etc. This review focuses on recent advancement in detection and quantification of four cytosine modifications, based on which, the development, diagnosis, and prognosis of diseases could be monitored through non-invasive procedures.
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Affiliation(s)
- James Asenso
- Key Laboratory of New Drug Research and Clinical Pharmacy of Jiangsu Province, School of Pharmacy, Xuzhou Medical University, Xuzhou, P. R. China
| | - Liang Wang
- Department of Bioinformatics, School of Medical Informatics, Xuzhou Medical University, Xuzhou, P. R. China
| | - Yan Du
- Key Laboratory of New Drug Research and Clinical Pharmacy of Jiangsu Province, School of Pharmacy, Xuzhou Medical University, Xuzhou, P. R. China.,Department of Pharmaceutical Analysis, School of Pharmacy, Xuzhou Medical University, Xuzhou, P. R. China
| | - Qing-Hua Liu
- Key Laboratory of New Drug Research and Clinical Pharmacy of Jiangsu Province, School of Pharmacy, Xuzhou Medical University, Xuzhou, P. R. China
| | - Bing-Ju Xu
- Key Laboratory of New Drug Research and Clinical Pharmacy of Jiangsu Province, School of Pharmacy, Xuzhou Medical University, Xuzhou, P. R. China
| | - Meng-Zhe Guo
- Key Laboratory of New Drug Research and Clinical Pharmacy of Jiangsu Province, School of Pharmacy, Xuzhou Medical University, Xuzhou, P. R. China.,Department of Pharmaceutical Analysis, School of Pharmacy, Xuzhou Medical University, Xuzhou, P. R. China
| | - Dao-Quan Tang
- Key Laboratory of New Drug Research and Clinical Pharmacy of Jiangsu Province, School of Pharmacy, Xuzhou Medical University, Xuzhou, P. R. China.,Department of Pharmaceutical Analysis, School of Pharmacy, Xuzhou Medical University, Xuzhou, P. R. China
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16
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Ciccarone F, Castelli S, Ioannilli L, Ciriolo MR. High Dietary Fat Intake Affects DNA Methylation/Hydroxymethylation in Mouse Heart: Epigenetic Hints for Obesity-Related Cardiac Dysfunction. Mol Nutr Food Res 2018; 63:e1800970. [PMID: 30515977 DOI: 10.1002/mnfr.201800970] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 11/12/2018] [Indexed: 12/15/2022]
Abstract
SCOPE Epigenetic aberrations caused by environmental factors and lifestyle choices have been associated with the development of a number of pathologies, including cardiovascular disorders. However, whether obesity-related heart dysfunction can occur via epigenetic mechanisms is largely undisclosed. The manifested role of DNA hydroxymethylation in heart pathophysiology prompts an investigation of its levels/machinery in heart of mice fed with high-fat diet (HFD) and its possible relation with genes linked to obesity-associated cardiac remodeling. METHODS AND RESULTS Alterations in levels of DNA methylation/hydroxymethylation modifications and in expression of Tet family of DNA hydroxylases are observed in hearts of mice treated with HFD for 8 and 16 weeks. Decreased levels of the Tet co-substrate α-ketoglutarate are also observed and associate with mitochondrial mass reduction and augmented oxidative stress. Finally, expression markers of cardiac remodeling are monitored by RT-qPCR analysis and associate with DNA hydroxymethylation signature by DNA immunoprecipitation and correlation analyses. CONCLUSION Global changes of DNA hydroxymethylation in hearts of HFD-fed mice are associated with upregulation of the dioxygenase Tet3 and decreased content of α-ketoglutarate. A relation between Tet genes and markers of cardiac hypertrophic response is observed and, if further validated, it will provide insights concerning epigenetics and obesity-related cardiac complications.
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Affiliation(s)
- Fabio Ciccarone
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy
| | - Serena Castelli
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy
| | - Laura Ioannilli
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy
| | - Maria Rosa Ciriolo
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy.,IRCCS San Raffaele 'La Pisana', Rome, Italy
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17
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Ihara K, Fuchikami M, Hashizume M, Okada S, Kawai H, Obuchi S, Hirano H, Fujiwara Y, Hachisu M, Hongyong K, Morinobu S. The influence of aging on the methylation status of brain-derived neurotrophic factor gene in blood. Int J Geriatr Psychiatry 2018; 33:1312-1318. [PMID: 29953671 DOI: 10.1002/gps.4927] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Accepted: 05/08/2018] [Indexed: 01/28/2023]
Abstract
OBJECTIVE Brain-derived neurotrophic factor (BDNF) is involved in the pathophysiology of psychiatric disorders in adults and elderly individuals, and as a result, the DNA methylation (DNAm) of the BDNF gene in peripheral tissues including blood has been extensively examined to develop a useful biomarker for psychiatric disorders. However, studies to date have not previously investigated the effect of age on DNAm of the BDNF gene in blood. In this context, we measured DNAm of 39 CpG units in the CpG island at the promoter of exon I of the BDNF gene. METHODS We analyzed genomic DNA from peripheral blood of 105 health Japanese women 20 to 80 years of age to identify aging-associated change in DNAm of the BDNF gene. In addition, we examined the relationship between total MMSE scores, numbers of stressful life events, and serum BDNF levels on DNAm of the BDNF gene. The DNAm rate at each CpG unit was measured using a MassArray® system (Agena Bioscience), and serum BDNF levels were measured by ELISA. RESULTS There was a significant correlation between DNAm and age in 13 CpGs. However, there was no significant correlation between DNAm and total MMSE scores, numbers of life events, or serum BDNF levels. CONCLUSION Despite the small number of subjects and the inclusion of only female subjects, our results suggest that DNAm of 13 CpGs of the BDNF gene may be an appropriate biomarker for aging and useful for predicting increased susceptibility to age-related psychiatric disorders.
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Affiliation(s)
- Kazushige Ihara
- Hirosaki University Graduate School of Medicine, Department of Social Medicine, Aomori, Japan
| | | | - Masahiro Hashizume
- Toho University Faculty of Medicine, Department of Psychosomatic Medicine, Tokyo, Japan
| | - Satoshi Okada
- Hiroshima University, Department of Psychiatry and Neurosciences, Division of Frontier Graduate School of Biomedical Sciences, Hiroshima, Japan
| | - Hisashi Kawai
- Tokyo Metropolitan Institute of Gerontology, Human Care Research Team, Tokyo, Japan
| | - Shuichi Obuchi
- Tokyo Metropolitan Institute of Gerontology, Human Care Research Team, Tokyo, Japan
| | - Hirohiko Hirano
- Tokyo Metropolitan Geriatric Hospital, Department of Dentistry, Tokyo, Japan
| | - Yoshinori Fujiwara
- Tokyo Metropolitan Institute of Gerontology, Research Team for Social Participation and Community Health, Tokyo, Japan
| | - Mitsugu Hachisu
- Showa University, Department of Pharmaceutical therapeutics, Division of Clinical Pharmacy, Pharmacy School, Tokyo, Japan
| | - Kim Hongyong
- Tokyo Metropolitan Institute of Gerontology, Research Team for Promoting Independence of the Elderly, Tokyo, Japan
| | - Shigeru Morinobu
- Kochi University, Department of Neuropsychiatry, Kochi Medical School, Nankoku, Japan.,Kibi International University, Department of Occupational Therapy, School of Health Science and Social Welfare, Takahashi, Japan
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18
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DNA methylation dynamics in aging: how far are we from understanding the mechanisms? Mech Ageing Dev 2018; 174:3-17. [DOI: 10.1016/j.mad.2017.12.002] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 12/14/2017] [Accepted: 12/16/2017] [Indexed: 02/07/2023]
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19
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Moreno-Villanueva M, Bürkle A. Epigenetic and redox biomarkers: Novel insights from the MARK-AGE study. Mech Ageing Dev 2018; 177:128-134. [PMID: 29969595 DOI: 10.1016/j.mad.2018.06.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 06/12/2018] [Accepted: 06/29/2018] [Indexed: 02/07/2023]
Abstract
Ageing is a multifactorial process that affects most, if not all, of the body's tissues and organs and can be defined as the accumulation of physical and psychological changes in a human being over time. The rate of ageing differs between individuals of the same chronological age, meaning that 'biological age' of a person may be different from 'chronological age'. Furthermore, ageing represents a very potent risk factor for diseases and disability in humans. Therefore, establishment of markers of biological ageing is important for preventing age-associated diseases and extending health span. MARK-AGE, a large-scale European study, aimed at identifying a set of biomarkers which, as a combination of parameters with appropriate weighting, would measure biological age better than any marker in isolation. But beyond the identification of useful biomarkers, MARK-AGE provided new insights in age-associated specific cellular processes, such as DNA methylation, oxidative stress and the regulation of zinc homeostasis.
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Affiliation(s)
- Maria Moreno-Villanueva
- Molecular Toxicology Group, Dept. of Biology, University of Konstanz, D-78457 Konstanz, Germany
| | - Alexander Bürkle
- Molecular Toxicology Group, Dept. of Biology, University of Konstanz, D-78457 Konstanz, Germany.
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20
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Ciccarone F, Valentini E, Malavolta M, Zampieri M, Bacalini MG, Calabrese R, Guastafierro T, Reale A, Franceschi C, Capri M, Breusing N, Grune T, Moreno‐Villanueva M, Bürkle A, Caiafa P. DNA Hydroxymethylation Levels Are Altered in Blood Cells From Down Syndrome Persons Enrolled in the MARK-AGE Project. J Gerontol A Biol Sci Med Sci 2018; 73:737-744. [PMID: 29069286 PMCID: PMC5946825 DOI: 10.1093/gerona/glx198] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2017] [Accepted: 10/19/2017] [Indexed: 12/17/2022] Open
Abstract
Down syndrome (DS) is caused by the presence of part or an entire extra copy of chromosome 21, a phenomenon that can cause a wide spectrum of clinically defined phenotypes of the disease. Most of the clinical signs of DS are typical of the aging process including dysregulation of immune system. Beyond the causative genetic defect, DS persons display epigenetic alterations, particularly aberrant DNA methylation patterns that can contribute to the heterogeneity of the disease. In the present work, we investigated the levels of 5-hydroxymethylcytosine and of the Ten-eleven translocation dioxygenase enzymes, which are involved in DNA demethylation processes and are often deregulated in pathological conditions as well as in aging. Analyses were carried out on peripheral blood mononuclear cells of DS volunteers enrolled in the context of the MARK-AGE study, a large-scale cross-sectional population study with subjects representing the general population in eight European countries. We observed a decrease in 5-hydroxymethylcytosine, TET1, and other components of the DNA methylation/demethylation machinery in DS subjects, indicating that aberrant DNA methylation patterns in DS, which may have consequences on the transcriptional status of immune cells, may be due to a global disturbance of methylation control in DS.
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Affiliation(s)
- Fabio Ciccarone
- Department of Biology, University of Rome “Tor Vergata,” Rome
| | - Elisabetta Valentini
- Department of Cellular Biotechnologies and Hematology, Faculty of Pharmacy and Medicine, Sapienza University of Rome, Rome
- Pasteur Institute-Fondazione Cenci Bolognetti, Rome
| | - Marco Malavolta
- National Institute of Health and Science on Aging (INRCA), Nutrition and Ageing Centre, Scientific and Technological Research Area, Ancona
| | - Michele Zampieri
- Department of Cellular Biotechnologies and Hematology, Faculty of Pharmacy and Medicine, Sapienza University of Rome, Rome
- Pasteur Institute-Fondazione Cenci Bolognetti, Rome
| | | | - Roberta Calabrese
- Department of Cellular Biotechnologies and Hematology, Faculty of Pharmacy and Medicine, Sapienza University of Rome, Rome
- Pasteur Institute-Fondazione Cenci Bolognetti, Rome
| | - Tiziana Guastafierro
- Department of Cellular Biotechnologies and Hematology, Faculty of Pharmacy and Medicine, Sapienza University of Rome, Rome
- Pasteur Institute-Fondazione Cenci Bolognetti, Rome
| | - Anna Reale
- Department of Cellular Biotechnologies and Hematology, Faculty of Pharmacy and Medicine, Sapienza University of Rome, Rome
| | - Claudio Franceschi
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna
- Department of Experimental, Diagnostic and Specialty Medicine, Bologna, Italy
- CIG-Interdepartmental Center “L. Galvani,” Alma Mater Studiorum, University of Bologna, Bologna, Italy
| | - Miriam Capri
- Department of Experimental, Diagnostic and Specialty Medicine, Bologna, Italy
- CIG-Interdepartmental Center “L. Galvani,” Alma Mater Studiorum, University of Bologna, Bologna, Italy
| | - Nicolle Breusing
- Institute of Nutritional Medicine (180c), University of Hohenheim, Stuttgart
| | - Tilman Grune
- German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), Nuthetal
| | - María Moreno‐Villanueva
- Department of Biology, Molecular Toxicology Group, University of Konstanz, Konstanz, Germany
| | - Alexander Bürkle
- Department of Biology, Molecular Toxicology Group, University of Konstanz, Konstanz, Germany
| | - Paola Caiafa
- Department of Cellular Biotechnologies and Hematology, Faculty of Pharmacy and Medicine, Sapienza University of Rome, Rome
- Pasteur Institute-Fondazione Cenci Bolognetti, Rome
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21
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Abstract
The aim of the present review paper is to survey the literature related to DNA methylation, and its association with cancer and ageing. The review will outline the key factors, including diet, which modulate DNA methylation. Our rationale for conducting this review is that ageing and diseases, including cancer, are often accompanied by aberrant DNA methylation, a key epigenetic process, which is crucial to the regulation of gene expression. Significantly, it has been observed that with age and certain disease states, DNA methylation status can become disrupted. For instance, a broad array of cancers are associated with promoter-specific hypermethylation and concomitant gene silencing. This review highlights that hypermethylation, and gene silencing, of the EN1 gene promoter, a crucial homeobox gene, has been detected in various forms of cancer. This has led to this region being proposed as a potential biomarker for diseases such as cancer. We conclude the review by describing a recently developed novel electrochemical method that can be used to quantify the level of methylation within the EN1 promoter and emphasise the growing trend in the use of electrochemical techniques for the detection of aberrant DNA methylation.
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22
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S-nitrosylation drives cell senescence and aging in mammals by controlling mitochondrial dynamics and mitophagy. Proc Natl Acad Sci U S A 2018; 115:E3388-E3397. [PMID: 29581312 DOI: 10.1073/pnas.1722452115] [Citation(s) in RCA: 119] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
S-nitrosylation, a prototypic redox-based posttranslational modification, is frequently dysregulated in disease. S-nitrosoglutathione reductase (GSNOR) regulates protein S-nitrosylation by functioning as a protein denitrosylase. Deficiency of GSNOR results in tumorigenesis and disrupts cellular homeostasis broadly, including metabolic, cardiovascular, and immune function. Here, we demonstrate that GSNOR expression decreases in primary cells undergoing senescence, as well as in mice and humans during their life span. In stark contrast, exceptionally long-lived individuals maintain GSNOR levels. We also show that GSNOR deficiency promotes mitochondrial nitrosative stress, including excessive S-nitrosylation of Drp1 and Parkin, thereby impairing mitochondrial dynamics and mitophagy. Our findings implicate GSNOR in mammalian longevity, suggest a molecular link between protein S-nitrosylation and mitochondria quality control in aging, and provide a redox-based perspective on aging with direct therapeutic implications.
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23
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Bürkle A. In memoriam Olivier Toussaint – Stress-induced premature senescence and the role of DNA damage. Mech Ageing Dev 2018. [DOI: 10.1016/j.mad.2017.06.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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24
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Unnikrishnan A, Hadad N, Masser DR, Jackson J, Freeman WM, Richardson A. Revisiting the genomic hypomethylation hypothesis of aging. Ann N Y Acad Sci 2018; 1418:69-79. [PMID: 29363785 DOI: 10.1111/nyas.13533] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 09/19/2017] [Accepted: 09/26/2017] [Indexed: 12/26/2022]
Abstract
The genomic hypomethylation hypothesis of aging proposes that an overall decrease in global DNA methylation occurs with age, and it has been argued that the decrease in global DNA methylation could be an important factor in aging, resulting in the relaxation of gene expression regulation and abnormal gene expression. Since it was initially observed that DNA methylation decreased with age in 1974, 16 articles have been published describing the effect of age on global DNA methylation in various tissues from rodents and humans. We critically reviewed the publications on the effect of age on DNA methylation and the expression of the enzymes involved in DNA methylation to evaluate the validity of the hypomethylation hypothesis of aging. On the basis of the current scientific literature, we conclude that a decrease in the global methylation of the genome occurs in most if not all tissues/cells as an animal ages. However, age-related changes in DNA methylation in specific regions or at specific sites in the genome occur even though the global DNA methylation does not change.
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Affiliation(s)
- Archana Unnikrishnan
- Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma.,Department of Geriatric Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Niran Hadad
- Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma.,Department of Oklahoma Center for Neuroscience, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Dustin R Masser
- Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma.,Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Jordan Jackson
- Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma.,Department of Geriatric Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Willard M Freeman
- Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma.,Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Arlan Richardson
- Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma.,Department of Geriatric Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma.,Oklahoma City VA Medical Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
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25
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Ciccarone F, Vegliante R, Di Leo L, Ciriolo MR. The TCA cycle as a bridge between oncometabolism and DNA transactions in cancer. Semin Cancer Biol 2017. [PMID: 28645607 DOI: 10.1016/j.semcancer.2017.06.008] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Cancer cells exploit metabolic rearrangements for sustaining their high proliferation rate and energy demand. The TCA cycle is a central metabolic hub necessary for ATP production and for providing precursors used in many biosynthetic pathways. Thus, dysregulation of the TCA cycle flux is frequently observed in cancer. The identification of mutations in several enzymes of the TCA cycle in human tumours demonstrated a direct connection between this metabolic pathway and cancer occurrence. Moreover, changes in the expression/activity of these enzymes were also shown to promote metabolic adaptation of cancer cells. In this review, the main genetic and non-genetic alterations of TCA cycle in cancer will be described. Particular attention will be given to extrametabolic roles of TCA cycle enzymes and metabolites underlying the regulation of nuclear and mitochondrial DNA transactions.
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Affiliation(s)
- Fabio Ciccarone
- Department of Biology, University of Rome 'Tor Vergata', via della Ricerca Scientifica, 00133, Rome, Italy
| | - Rolando Vegliante
- Department of Biology, University of Rome 'Tor Vergata', via della Ricerca Scientifica, 00133, Rome, Italy
| | - Luca Di Leo
- Department of Biology, University of Rome 'Tor Vergata', via della Ricerca Scientifica, 00133, Rome, Italy
| | - Maria Rosa Ciriolo
- Department of Biology, University of Rome 'Tor Vergata', via della Ricerca Scientifica, 00133, Rome, Italy; IRCCS San Raffaele 'La Pisana', Via di Val Cannuta, 00166, Rome, Italy.
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26
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Bacalini MG, D'Aquila P, Marasco E, Nardini C, Montesanto A, Franceschi C, Passarino G, Garagnani P, Bellizzi D. The methylation of nuclear and mitochondrial DNA in ageing phenotypes and longevity. Mech Ageing Dev 2017; 165:156-161. [PMID: 28115210 DOI: 10.1016/j.mad.2017.01.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 11/29/2016] [Accepted: 01/16/2017] [Indexed: 12/28/2022]
Abstract
An increasing body of data is progressively indicating that the comprehension of the epigenetic landscape, actively integrated with the genetic elements, is crucial to delineate the molecular basis of the inter-individual complexity of ageing process. Indeed, it has emerged that DNA methylation changes occur during ageing, consisting mainly in a progressive process of genome demethylation, in a hypermethylation of gene-specific CpG dinucleotides, as well as in an inter-individual divergence of the epigenome due to stochastic events and environmental exposures throughout life, namely as epigenetic drift. Additionally, it has also come to light an implication of the mitochondrial genome in the regulation of the intracellular epigenetic landscape, as demonstrated by the being itself object of epigenetic modifications. An overview of DNA methylation changes occurring during ageing process at both nuclear and mitochondrial level will be described in this review, also taking into account the recent and promising data available on the 5-hydroxymethylcytosine.
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Affiliation(s)
- Maria Giulia Bacalini
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Via Altura 1/8, 40139 Bologna, Italy
| | - Patrizia D'Aquila
- Department of Biology, Ecology and Earth Sciences, University of Calabria, 87036 Rende, Italy
| | - Elena Marasco
- Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum, University of Bologna, 40138 Bologna, Italy
| | | | - Alberto Montesanto
- Department of Biology, Ecology and Earth Sciences, University of Calabria, 87036 Rende, Italy
| | - Claudio Franceschi
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Via Altura 1/8, 40139 Bologna, Italy
| | - Giuseppe Passarino
- Department of Biology, Ecology and Earth Sciences, University of Calabria, 87036 Rende, Italy
| | - Paolo Garagnani
- Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum, University of Bologna, 40138 Bologna, Italy; Applied Biomedical Research Center, S.Orsola-Malpighi Polyclinic, 40138 Bologna, Italy; Interdepartmental Center "L. Galvani", Alma Mater Studiorum, University of Bologna, 40126 Bologna, Italy.
| | - Dina Bellizzi
- Department of Biology, Ecology and Earth Sciences, University of Calabria, 87036 Rende, Italy.
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