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Kim JH, Cha HN, Kim YW, Park SY. Peroxiredoxin 2 deficiency does not affect insulin resistance and oxidative stress in high-fat diet-fed obese mice. Arch Physiol Biochem 2022; 128:859-868. [PMID: 32141337 DOI: 10.1080/13813455.2020.1733026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
OBJECTIVE To examine if peroxiredoxin 2 (Prx2) deficiency aggravates high-fat diet-induced insulin resistance. MATERIAL AND METHODS Insulin sensitivity was measured in Prx2 knockout (KO) and wild-type (WT) littermates using the hyperinsulinemic-euglycemic clamp. RESULTS Whole body glucose turnover, glucose uptake, and levels of glucose transporter 4 (Glut4) protein in the skeletal muscle were found to be lower. This was followed by increased expression of oxidative stress markers in Prx2 KO mice than that in WT mice in the control diet group. Although, a 12-week high-fat diet induced insulin resistance and enhanced oxidative stress in both genotypes, there was no difference between WT and Prx2 KO mice with respect to insulin sensitivity and the level of oxidative stress markers. Accordingly, the levels of phosphorylated Akt and Glut4 were similar between the two genotypes. CONCLUSION These results suggest that Prx2 does not affect high-fat diet-induced oxidative stress and insulin resistance in mice.
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Affiliation(s)
- Jae-Ho Kim
- Department of Urology, Soon Chun Hyung University Hospital, Gumi, Korea
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, Korea
| | - Hye-Na Cha
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, Korea
- Smart-aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu, Korea
| | - Yong-Woon Kim
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, Korea
| | - So-Young Park
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, Korea
- Smart-aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu, Korea
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Vessoni AT, Guerra CCC, Kajitani GS, Nascimento LLS, Garcia CCM. Cockayne Syndrome: The many challenges and approaches to understand a multifaceted disease. Genet Mol Biol 2020; 43:e20190085. [PMID: 32453336 PMCID: PMC7250278 DOI: 10.1590/1678-4685-gmb-2019-0085] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 01/15/2020] [Indexed: 01/04/2023] Open
Abstract
The striking and complex phenotype of Cockayne syndrome (CS) patients combines progeria-like features with developmental deficits. Since the establishment of the in vitro culture of skin fibroblasts derived from patients with CS in the 1970s, significant progress has been made in the understanding of the genetic alterations associated with the disease and their impact on molecular, cellular, and organismal functions. In this review, we provide a historic perspective on the research into CS by revisiting seminal papers in this field. We highlighted the great contributions of several researchers in the last decades, ranging from the cloning and characterization of CS genes to the molecular dissection of their roles in DNA repair, transcription, redox processes and metabolism control. We also provide a detailed description of all pathological mutations in genes ERCC6 and ERCC8 reported to date and their impact on CS-related proteins. Finally, we review the contributions (and limitations) of many genetic animal models to the study of CS and how cutting-edge technologies, such as cell reprogramming and state-of-the-art genome editing, are helping us to address unanswered questions.
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Affiliation(s)
| | - Camila Chaves Coelho Guerra
- Universidade Federal de Ouro Preto, Instituto de Ciências Exatas e
Biológicas, Núcleo de Pesquisa em Ciências Biológicas & Departamento de Ciências
Biológicas, Ouro Preto, MG, Brazil
| | - Gustavo Satoru Kajitani
- Universidade Federal de Ouro Preto, Instituto de Ciências Exatas e
Biológicas, Núcleo de Pesquisa em Ciências Biológicas & Departamento de Ciências
Biológicas, Ouro Preto, MG, Brazil
- Universidade de São Paulo, Instituto de Ciências Biomédicas,
Departamento de Microbiologia, São Paulo,SP, Brazil
| | - Livia Luz Souza Nascimento
- Universidade de São Paulo, Instituto de Ciências Biomédicas,
Departamento de Microbiologia, São Paulo,SP, Brazil
| | - Camila Carrião Machado Garcia
- Universidade Federal de Ouro Preto, Instituto de Ciências Exatas e
Biológicas, Núcleo de Pesquisa em Ciências Biológicas & Departamento de Ciências
Biológicas, Ouro Preto, MG, Brazil
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Park S, Shin MG, Kim JR, Park SY. Beta-lapachone attenuates immobilization-induced skeletal muscle atrophy in mice. Exp Gerontol 2019; 126:110711. [PMID: 31454520 DOI: 10.1016/j.exger.2019.110711] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 07/25/2019] [Accepted: 08/23/2019] [Indexed: 12/25/2022]
Abstract
Skeletal muscle atrophy reduces quality of life and increases morbidity and mortality in patients with chronic conditions. Oxidative stress is a key factor contributing to skeletal muscle atrophy by altering both protein synthesis and protein degradation pathways. Beta-lapachone (Beta-L) is known to act as a pro-oxidant in cancer cells but suppresses oxidative stress in normal cells and tissues. In the present study, we examined whether Beta-L (100 mg/kg body weight) prevents immobilization-induced skeletal muscle atrophy in male C57BL/6N mice. Skeletal muscle atrophy was induced by immobilization of left hindlimbs for two weeks, and right hindlimbs were used as controls. The muscle weights of gastrocnemius (0.132 ± 0.003 g vs. 0.115 ± 0.003 g in Beta-L and SLS, respectively, p < 0.01) and tibialis anterior (0.043 ± 0.001 vs. 0.027 ± 0.002 in Beta-L and SLS, respectively, p < 0.001) were significantly heavier in Beta-L-treated mice than that in SLS-treated mice in immobilization group, which was accompanied by improved skeletal muscle function as tested by treadmill exhaustion and grip strength test. Immobilization increased H2O2 levels, while Beta-L treatment normalized such levels (1.6 ± 0.16 μM vs. 2.7 ± 0.44 μM in Beta-L and vehicle, respectively, p < 0.05). Oxidative stress makers were also normalized by Beta-L treatment. Protein synthesis signaling pathways were unaltered in the case of both immobilization and Beta-L treatment. However, protein catabolic, ubiquitin-proteasomal, and autophagy-lysosomal pathways were stimulated by immobilization and were normalized by Beta-L treatment. Upregulation of transforming growth factor β and Smad 2/3 after immobilization was significantly diminished by Beta-L treatment. These results suggest that Beta-L attenuates the loss of muscle weight and function induced by immobilization through suppression of oxidative stress.
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Affiliation(s)
- Soyoung Park
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, Republic of Korea; Smart-aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu, Republic of Korea
| | - Min-Gyeong Shin
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, Republic of Korea; Smart-aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu, Republic of Korea
| | - Jae-Ryong Kim
- Smart-aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu, Republic of Korea; Department of Biochemistry and Molecular Biology, College of Medicine, Yeungnam University, Daegu, Republic of Korea
| | - So-Young Park
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, Republic of Korea; Smart-aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu, Republic of Korea.
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Pallauf K, Chin D, Günther I, Birringer M, Lüersen K, Schultheiß G, Vieten S, Krauß J, Bracher F, Danylec N, Soukup ST, Kulling SE, Rimbach G. Resveratrol, lunularin and dihydroresveratrol do not act as caloric restriction mimetics when administered intraperitoneally in mice. Sci Rep 2019; 9:4445. [PMID: 30872769 PMCID: PMC6418094 DOI: 10.1038/s41598-019-41050-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 01/16/2019] [Indexed: 12/13/2022] Open
Abstract
Resveratrol as well as caloric restriction were shown to extend lifespan in some model organisms and may possibly delay onset of ageing-related diseases in humans. Yet, resveratrol supplementation does not always extend lifespan of animal models or improve health status of humans. Because of interindividual differences in human microbiota, resveratrol metabolite production in the gut differs. While some individuals produce lunularin and dihydroresveratrol in their gut, others produce dihydroresveratrol only. Therefore, we addressed the question whether these metabolites differ in their biological impact on ageing and intraperitoneally injected 13-month-old C57BL/6JRj mice on an ad-libitum (AL) HFD with resveratrol, dihydroresveratrol or lunularin (24 mg/kg bodyweight; 3 times/week). Compared to mice injected with vehicle (AL-control), resveratrol and dihydroresveratrol did not change bodyweight and had no impact on insulin or glucose levels while lunularin slightly reduced feed intake and bodyweight gain. CR-mice showed lowered cholesterol, insulin and leptin levels, elevated adiponectin and phosphorylated AMPK levels in liver as well as increased transcription of Pck1 and Pgc1α when compared to the AL-control. In contrast, injections with the test substances did not change these parameters. We therefore conclude that in our model, resveratrol, lunularin and dihydroresveratrol did not act as CR mimetics.
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Affiliation(s)
- Kathrin Pallauf
- Institute of Human Nutrition and Food Science, University of Kiel, Hermann-Rodewald-Straße 6, 24118, Kiel, Germany.
| | - Dawn Chin
- Institute of Human Nutrition and Food Science, University of Kiel, Hermann-Rodewald-Straße 6, 24118, Kiel, Germany
| | - Ilka Günther
- Institute of Human Nutrition and Food Science, University of Kiel, Hermann-Rodewald-Straße 6, 24118, Kiel, Germany
| | - Marc Birringer
- Department of Nutritional, Food and Consumer Sciences, Fulda University of Applied Sciences, Leipziger Straße 123, 36037, Fulda, Germany
| | - Kai Lüersen
- Institute of Human Nutrition and Food Science, University of Kiel, Hermann-Rodewald-Straße 6, 24118, Kiel, Germany
| | - Gerald Schultheiß
- Animal welfare office, University of Kiel, Olshausenstraße 40, 24118, Kiel, Germany
| | - Sarah Vieten
- Animal welfare office, University of Kiel, Olshausenstraße 40, 24118, Kiel, Germany
| | - Jürgen Krauß
- Department of Pharmacy, Center for Drug Research, Ludwig-Maximilians University, Butenandtstraße 5-13, 81377, Munich, Germany
| | - Franz Bracher
- Department of Pharmacy, Center for Drug Research, Ludwig-Maximilians University, Butenandtstraße 5-13, 81377, Munich, Germany
| | - Nicolas Danylec
- Max Rubner-Institut, Federal Research Institute of Nutrition and Food, Department of Safety and Quality of Fruit and Vegetables, Haid-und-Neu-Straße 9, 76131, Karlsruhe, Germany
| | - Sebastian T Soukup
- Max Rubner-Institut, Federal Research Institute of Nutrition and Food, Department of Safety and Quality of Fruit and Vegetables, Haid-und-Neu-Straße 9, 76131, Karlsruhe, Germany
| | - Sabine E Kulling
- Max Rubner-Institut, Federal Research Institute of Nutrition and Food, Department of Safety and Quality of Fruit and Vegetables, Haid-und-Neu-Straße 9, 76131, Karlsruhe, Germany
| | - Gerald Rimbach
- Institute of Human Nutrition and Food Science, University of Kiel, Hermann-Rodewald-Straße 6, 24118, Kiel, Germany
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Limpose KL, Corbett AH, Doetsch PW. BERing the burden of damage: Pathway crosstalk and posttranslational modification of base excision repair proteins regulate DNA damage management. DNA Repair (Amst) 2017. [PMID: 28629773 DOI: 10.1016/j.dnarep.2017.06.007] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
DNA base damage and non-coding apurinic/apyrimidinic (AP) sites are ubiquitous types of damage that must be efficiently repaired to prevent mutations. These damages can occur in both the nuclear and mitochondrial genomes. Base excision repair (BER) is the frontline pathway for identifying and excising damaged DNA bases in both of these cellular compartments. Recent advances demonstrate that BER does not operate as an isolated pathway but rather dynamically interacts with components of other DNA repair pathways to modulate and coordinate BER functions. We define the coordination and interaction between DNA repair pathways as pathway crosstalk. Numerous BER proteins are modified and regulated by post-translational modifications (PTMs), and PTMs could influence pathway crosstalk. Here, we present recent advances on BER/DNA repair pathway crosstalk describing specific examples and also highlight regulation of BER components through PTMs. We have organized and reported functional interactions and documented PTMs for BER proteins into a consolidated summary table. We further propose the concept of DNA repair hubs that coordinate DNA repair pathway crosstalk to identify central protein targets that could play a role in designing future drug targets.
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Affiliation(s)
- Kristin L Limpose
- Graduate Program in Cancer Biology, Emory University, Atlanta, GA, 30322, United States
| | - Anita H Corbett
- Department of Biology, Emory University, Atlanta, GA, 30322, United States; Winship Cancer Institute, Emory University, Atlanta, GA 30322, United States.
| | - Paul W Doetsch
- Graduate Program in Cancer Biology, Emory University, Atlanta, GA, 30322, United States; Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA, 30322, United States; Winship Cancer Institute, Emory University, Atlanta, GA 30322, United States; Department of Biochemistry, Emory University, Atlanta, GA, 30322, United States.
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Gueguen N, Desquiret-Dumas V, Leman G, Chupin S, Baron S, Nivet-Antoine V, Vessières E, Ayer A, Henrion D, Lenaers G, Reynier P, Procaccio V. Resveratrol Directly Binds to Mitochondrial Complex I and Increases Oxidative Stress in Brain Mitochondria of Aged Mice. PLoS One 2015; 10:e0144290. [PMID: 26684010 PMCID: PMC4694087 DOI: 10.1371/journal.pone.0144290] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Accepted: 11/16/2015] [Indexed: 12/23/2022] Open
Abstract
Resveratrol is often described as a promising therapeutic molecule for numerous diseases, especially in metabolic and neurodegenerative disorders. While the mechanism of action is still debated, an increasing literature reports that resveratrol regulates the mitochondrial respiratory chain function. In a recent study we have identified mitochondrial complex I as a direct target of this molecule. Nevertheless, the mechanisms and consequences of such an interaction still require further investigation. In this study, we identified in silico by docking study a binding site for resveratrol at the nucleotide pocket of complex I. In vitro, using solubilized complex I, we demonstrated a competition between NAD+ and resveratrol. At low doses (<5μM), resveratrol stimulated complex I activity, whereas at high dose (50 μM) it rather decreased it. In vivo, in brain mitochondria from resveratrol treated young mice, we showed that complex I activity was increased, whereas the respiration rate was not improved. Moreover, in old mice with low antioxidant defenses, we demonstrated that complex I activation by resveratrol led to oxidative stress. These results bring new insights into the mechanism of action of resveratrol on mitochondria and highlight the importance of the balance between pro- and antioxidant effects of resveratrol depending on its dose and age. These parameters should be taken into account when clinical trials using resveratrol or analogues have to be designed.
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Affiliation(s)
- Naïg Gueguen
- Université d’Angers, Angers, F-49000, France
- Département de Biochimie et Génétique, CHU d’Angers, Angers, F-49000, France
- UMR CNRS 6214-INSERM U1083, Angers, F-49000, France
- * E-mail:
| | - Valérie Desquiret-Dumas
- Université d’Angers, Angers, F-49000, France
- Département de Biochimie et Génétique, CHU d’Angers, Angers, F-49000, France
- UMR CNRS 6214-INSERM U1083, Angers, F-49000, France
| | - Géraldine Leman
- Université d’Angers, Angers, F-49000, France
- UMR CNRS 6214-INSERM U1083, Angers, F-49000, France
| | - Stéphanie Chupin
- Université d’Angers, Angers, F-49000, France
- Département de Biochimie et Génétique, CHU d’Angers, Angers, F-49000, France
- UMR CNRS 6214-INSERM U1083, Angers, F-49000, France
| | - Stéphanie Baron
- EA 4466, Université Paris Descartes, Faculté de Pharmacie, Paris, F-75270, France
| | | | - Emilie Vessières
- Université d’Angers, Angers, F-49000, France
- UMR CNRS 6214-INSERM U1083, Angers, F-49000, France
| | - Audrey Ayer
- Université d’Angers, Angers, F-49000, France
- UMR CNRS 6214-INSERM U1083, Angers, F-49000, France
| | - Daniel Henrion
- Université d’Angers, Angers, F-49000, France
- UMR CNRS 6214-INSERM U1083, Angers, F-49000, France
| | - Guy Lenaers
- Université d’Angers, Angers, F-49000, France
- UMR CNRS 6214-INSERM U1083, Angers, F-49000, France
| | - Pascal Reynier
- Université d’Angers, Angers, F-49000, France
- Département de Biochimie et Génétique, CHU d’Angers, Angers, F-49000, France
- UMR CNRS 6214-INSERM U1083, Angers, F-49000, France
| | - Vincent Procaccio
- Université d’Angers, Angers, F-49000, France
- Département de Biochimie et Génétique, CHU d’Angers, Angers, F-49000, France
- UMR CNRS 6214-INSERM U1083, Angers, F-49000, France
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Keuser B, Khobta A, Gallé K, Anderhub S, Schulz I, Pauly K, Epe B. Influences of histone deacetylase inhibitors and resveratrol on DNA repair and chromatin compaction. Mutagenesis 2013; 28:569-76. [PMID: 23814181 DOI: 10.1093/mutage/get034] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Accessibility of DNA is a prerequisite for both DNA damage and repair. Therefore, the chromatin structure is expected to have major impact on both processes, with opposite consequences for the stability of the genome. To analyse the influence of chromatin compaction on the generation and repair of various types of DNA modifications, we modulated the global chromatin structure of AS52 Chinese hamster ovary cells and HeLa cells by treatment with either histone deacetylase inhibitors or resveratrol and measured the repair kinetics of (i) pyrimidine dimers induced by ultraviolet B, (ii) oxidised purines generated by photosensitisation and (iii) single-strand breaks induced by H2O2, using an alkaline elution technique. The decrease of chromatin compaction (detected as reduced DNA accessibility to DNase I) after treatment with trichostatin A or butyrate slightly increased the damage generation but had no significant effect on the global repair rates. In contrast, incubation of AS52 cells with resveratrol at concentrations that caused significant chromatin compaction and that had only moderate influence on cell proliferation gave rise to a strong decrease of the repair rates of all three types of DNA modifications. Similar, but less pronounced effects were observed in HeLa cells. The effects of resveratrol on the repair rates were not antagonised by the sirtuin inhibitor EX-527 or by an increase of the intracellular thiol levels.
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Affiliation(s)
- Bettina Keuser
- Institute of Pharmacy and Biochemistry, University of Mainz, Staudingerweg 5, 55099 Mainz, Germany
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Denissova NG, Nasello CM, Yeung PL, Tischfield JA, Brenneman MA. Resveratrol protects mouse embryonic stem cells from ionizing radiation by accelerating recovery from DNA strand breakage. Carcinogenesis 2011; 33:149-55. [PMID: 22049530 DOI: 10.1093/carcin/bgr236] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Resveratrol has elicited many provocative anticancer effects in laboratory animals and cultured cells, including reduced levels of oxidative DNA damage, inhibition of tumor initiation and progression and induction of apoptosis in tumor cells. Use of resveratrol as a cancer-preventive agent in humans will require that its anticancer effects not be accompanied by damage to normal tissue stem or progenitor cells. In mouse embryonic stem cells (mESC) or early mouse embryos exposed to ethanol, resveratrol has been shown to suppress apoptosis and promote survival. However, in cells exposed to genotoxic stress, survival may come at the expense of genome stability. To learn whether resveratrol can protect stem cells from DNA damage and to study its effects on genomic integrity, we exposed mESC pretreated with resveratrol to ionizing radiation (IR). Forty-eight hours pretreatment with a comparatively low concentration of resveratrol (10 μM) improved survival of mESC >2-fold after exposure to 5 Gy of X-rays. Cells pretreated with resveratrol sustained the same levels of reactive oxygen species and DNA strand breakage after IR as mock-treated controls, but repaired DNA damage more rapidly and resumed cell division sooner. Frequencies of IR-induced mutation at a chromosomal reporter locus were not increased in cells pretreated with resveratrol as compared with controls, indicating that resveratrol can improve viability in mESC after DNA damage without compromising genomic integrity.
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Affiliation(s)
- Natalia G Denissova
- Department of Genetics and Human Genetics Institute of New Jersey, Rutgers University, 145 Bevier Road, Piscataway, NJ 08854, USA
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Arlt VM, Schwerdtle T. UKEMS/Dutch EMS-sponsored workshop on biomarkers of exposure and oxidative DNA damage & 7th GUM-32P-postlabelling workshop, University of Münster, Münster, Germany, 28-29 March 2011. Mutagenesis 2011; 26:679-85. [PMID: 21693685 DOI: 10.1093/mutage/ger036] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Environmental exposures are a major concern for human cancer. However, the precise contribution of specific risk factors and their interactions, both with each other and with genotype, continue to be difficult to elucidate. The exposome is the comprehensive characterisation of an individual's lifetime exposure history (Wild, C. P. (2009) Environmental exposure measurement in cancer epidemiology. Mutagenesis, 24, 117-125). Unravelling complex environmental and genetic aetiologies in order to plan effective public health interventions demands that both environmental exposures and genetic variations are reliably measured. The development, validation and application of biomarkers of exposure are manifestly critical to the future of cancer epidemiology. The aim of this workshop at the University of Münster was to discuss the current status of exposure biomarkers in cancer molecular epidemiology as well as new findings achieved by applying the methods to studies of mechanisms of human cancer. Day 1 focused on biomarkers of exposure (i.e. carcinogen DNA adducts), effect and susceptibility to gain greater understanding of environmental cancer risks and their modulation. Day 2 focused on the role of oxidative stress and DNA damage in human carcinogenesis including methodologies used for the measurement of oxidatively induced DNA lesions in human cells or tissues and the possible use of these lesions as cancer biomarkers.
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Affiliation(s)
- Volker M Arlt
- Section of Molecular Carcinogenesis, Institute of Cancer Research, Brookes Lawley Building, Sutton, Surrey SM2 5NG, UK.
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