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Kok DE, van Duijnhoven FJ, Lubberman FJ, McKay JA, Lanen ASV, Winkels RM, Wesselink E, van Halteren HK, de Wilt JH, Ulrich CM, Ulvik A, Ueland PM, Kampman E. Intake and biomarkers of folate and folic acid as determinants of chemotherapy-induced toxicities in patients with colorectal cancer: a cohort study. Am J Clin Nutr 2024; 119:294-301. [PMID: 38070682 DOI: 10.1016/j.ajcnut.2023.11.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 10/10/2023] [Accepted: 11/28/2023] [Indexed: 12/25/2023] Open
Abstract
BACKGROUND Capecitabine is an oral chemotherapeutic drug showing antitumor activity through inhibition of thymidylate synthase, an enzyme involved in folate metabolism. There are concerns about the high intake of certain vitamins, and specifically folate, during chemotherapy with capecitabine. Whether folate or folic acid, the synthetic variant of the vitamin, impact treatment toxicity remains unclear. OBJECTIVE We studied associations between intake and biomarkers of folate as well as folic acid and toxicities in patients with colorectal cancer (CRC) receiving capecitabine. METHODS Within the prospective COLON (Colorectal cancer: Longitudinal, Observational study on Nutritional and lifestyle factors that influence recurrence, survival, and quality of life) cohort, 290 patients with stage II to III CRC receiving capecitabine were identified. Dietary and supplemental intake of folate and folic acid were assessed at diagnosis and during chemotherapy using questionnaires (available for 280 patients). Plasma folate and folic acid levels were determined by liquid chromatography tandem mass spectrometry (LC-MS/MS) and were available for 212 patients. Toxicities were defined as toxicity-related modifications of treatment, including dose reductions, regimen switches, and early discontinuation. Associations of intake and biomarkers of folate and folic acid with toxicities were determined using Cox proportional hazards regression adjusted for age and sex. RESULTS In total, 153 (53%) patients experienced toxicities leading to modification of capecitabine treatment. Folate intake and plasma folate levels were not associated with risk of toxicities. However, use of folic acid-containing supplements during treatment (hazard ratio (HR) 1.81 and 95% confidence interval (CI) 1.15-2.85) and presence of folic acid in plasma at diagnosis (HR 2.09, 95% CI: 1.24, 3.52) and during treatment (HR 2.31, 95% CI: 1.29, 4.13) were associated with an increased risk of toxicities. CONCLUSIONS This study suggests a potential association between folic acid and capecitabine-induced toxicities, providing a rationale to study diet-drug interactions and raise further awareness of the use of dietary supplements during oncological treatment. CLINICAL TRIAL DETAILS This trial was registered at clinicaltrials.gov as NCT03191110.
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Affiliation(s)
- Dieuwertje E Kok
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands.
| | - Fränzel Jb van Duijnhoven
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands
| | - Floor Je Lubberman
- Department of Clinical Pharmacy, Hospital Gelderse Vallei, Ede, the Netherlands
| | - Jill A McKay
- Department of Applied Sciences, Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne, United Kingdom
| | - Anne-Sophie van Lanen
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands
| | - Renate M Winkels
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands
| | - Evertine Wesselink
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands
| | - Henk K van Halteren
- Department of Medical Oncology, Admiraal de Ruyter Hospital, Goes, the Netherlands
| | | | - Cornelia M Ulrich
- Huntsman Cancer Institute and Department of Population Health Sciences, University of Utah, Salt Lake City, United States
| | | | | | - Ellen Kampman
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands
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Martín-Fernández-de-Labastida S, Alegria-Lertxundi I, de Pancorbo MM, Arroyo-Izaga M. Association between nutrient intake related to the one-carbon metabolism and colorectal cancer risk: a case-control study in the Basque Country. Eur J Nutr 2023; 62:3181-3191. [PMID: 37543963 PMCID: PMC10611602 DOI: 10.1007/s00394-023-03229-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 07/27/2023] [Indexed: 08/08/2023]
Abstract
PURPOSE Epidemiologic evidence for the association between methyl-donor nutrient intake and colorectal cancer (CRC) risk remains inconclusive. We aimed to examine the relationship between intake of vitamins of the B group, methionine, total choline and betaine and CRC risk, in a population from the CRC screening programme in the Basque Country. DESIGN This observational study included 308 patients with CRC and 308 age- and sex-matched subjects as controls. During recruitment, dietary, anthropometric, lifestyle, socioeconomic, demographic, and health status information was collected. Conditional logistic regression was used to estimate the odds ratios (ORs) for CRC risk. RESULTS The adjusted ORs for CRC risk decreased with higher intakes of choline and betaine (p < 0.05). After further adjustment for folate, high intake of choline and betaine remained associated with a reduced CRC risk (adjusted model for choline, OR third tertile vs first tertile = 0.45, 95% CI 0.26-0.80, p = 0.006; for betaine, OR third tertile vs first tertile = 0.27, 95% CI 0.16-0.47, p < 0.001). Regarding the other nutrients, our findings indicated a non-significant decrease in CRC risk with the high level of intake. CONCLUSIONS Our data suggest that choline and betaine intake influence CRC risk in the studied population.
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Grants
- 2011111153 Osasun Saila, Eusko Jaurlaritzako
- S-PE12UN058 Ekonomiaren Garapen eta Lehiakortasun Saila, Eusko Jaurlaritza
- IT1633-22 Hezkuntza, Hizkuntza Politika Eta Kultura Saila, Eusko Jaurlaritza
- PRE_2014_1_161 Hezkuntza, Hizkuntza Politika Eta Kultura Saila, Eusko Jaurlaritza
- PRE_2015_2_0084 Hezkuntza, Hizkuntza Politika Eta Kultura Saila, Eusko Jaurlaritza
- EP_2016_1_0098 Hezkuntza, Hizkuntza Politika Eta Kultura Saila, Eusko Jaurlaritza
- PRE_2017_2_0006 Hezkuntza, Hizkuntza Politika Eta Kultura Saila, Eusko Jaurlaritza
- Universidad del País Vasco
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Affiliation(s)
- Silvia Martín-Fernández-de-Labastida
- Department of Pharmacy and Food Sciences, Faculty of Pharmacy, University of the Basque Country UPV/EHU, 01006, Vitoria-Gasteiz, Araba/Álava, Spain
| | - Iker Alegria-Lertxundi
- Department of Pharmacy and Food Sciences, Faculty of Pharmacy, University of the Basque Country UPV/EHU, 01006, Vitoria-Gasteiz, Araba/Álava, Spain
| | - Marian M de Pancorbo
- Department of Z. and Cellular Biology A., Faculty of Pharmacy, University of the Basque Country UPV/EHU, 01006, Vitoria-Gasteiz, Araba/Álava, Spain
- BIOMICs Research Group, Microfluidics & BIOMICs Cluster, Lascaray Research Center, University of the Basque Country UPV/EHU, 01006, Vitoria-Gasteiz, Araba/Álava, Spain
- Bioaraba, BA04.03, Vitoria-Gasteiz, Araba/Álava, Spain
| | - Marta Arroyo-Izaga
- Department of Pharmacy and Food Sciences, Faculty of Pharmacy, University of the Basque Country UPV/EHU, 01006, Vitoria-Gasteiz, Araba/Álava, Spain.
- BIOMICs Research Group, Microfluidics & BIOMICs Cluster, Lascaray Research Center, University of the Basque Country UPV/EHU, 01006, Vitoria-Gasteiz, Araba/Álava, Spain.
- Bioaraba, BA04.03, Vitoria-Gasteiz, Araba/Álava, Spain.
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3
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Iloki Assanga SB, Lewis Luján LM, McCarty MF. Targeting beta-catenin signaling for prevention of colorectal cancer - Nutraceutical, drug, and dietary options. Eur J Pharmacol 2023; 956:175898. [PMID: 37481200 DOI: 10.1016/j.ejphar.2023.175898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 06/09/2023] [Accepted: 06/29/2023] [Indexed: 07/24/2023]
Abstract
Progressive up-regulation of β-catenin signaling is very common in the transformation of colorectal epithelium to colorectal cancer (CRC). Practical measures for opposing such signaling hence have potential for preventing or slowing such transformation. cAMP/PKA activity in colon epithelium, as stimulated by COX-2-generated prostaglandins and β2-adrenergic signaling, boosts β-catenin activity, whereas cGMP/PKG signaling has the opposite effect. Bacterial generation of short-chain fatty acids (as supported by unrefined high-carbohydrate diets, berberine, and probiotics), dietary calcium, daily aspirin, antioxidants opposing cox-2 induction, and nicotine avoidance, can suppress cAMP production in colonic epithelium, whereas cGMP can be boosted via linaclotides, PDE5 inhibitors such as sildenafil or icariin, and likely high-dose biotin. Selective activation of estrogen receptor-β by soy isoflavones, support of adequate vitamin D receptor activity with UV exposure or supplemental vitamin D, and inhibition of CK2 activity with flavanols such as quercetin, can also oppose β-catenin signaling in colorectal epithelium. Secondary bile acids, the colonic production of which can be diminished by low-fat diets and berberine, can up-regulate β-catenin activity by down-regulating farnesoid X receptor expression. Stimulation of PI3K/Akt via insulin, IGF-I, TLR4, and EGFR receptors boosts β-catenin levels via inhibition of glycogen synthase-3β; plant-based diets can down-regulate insulin and IGF-I levels, exercise training and leanness can keep insulin low, anthocyanins and their key metabolite ferulic acid have potential for opposing TLR4 signaling, and silibinin is a direct antagonist for EGFR. Partially hydrolyzed phytate can oppose growth factor-mediated down-regulation of β-catenin by inhibiting Akt activation. Multifactorial strategies for safely opposing β-catenin signaling can be complemented with measures that diminish colonic mutagenesis and DNA hypomethylation - such as avoidance of heme-rich meat and charred or processed meats, consumption of phase II-inductive foods and nutraceuticals (e.g., Crucifera), and assurance of adequate folate status.
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Affiliation(s)
- Simon Bernard Iloki Assanga
- Departamento de Ciencias Químico Biológicas, Universidad de Sonora, Blvd Luis Encinas y Rosales S/N Col. Centro, Hermosillo, Sonora, C.P. 83000, Mexico.
| | - Lidianys María Lewis Luján
- Technological Institute of Hermosillo (ITH), Ave. Tecnológico y Periférico Poniente S/N, Col. Sahuaro, Hermosillo, Sonora, C.P. 83170, México.
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Molecular Aspects of Hypoxic Stress Effects in Chronic Ethanol Exposure of Neuronal Cells. Curr Issues Mol Biol 2023; 45:1655-1680. [PMID: 36826052 PMCID: PMC9955714 DOI: 10.3390/cimb45020107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/01/2023] [Accepted: 02/11/2023] [Indexed: 02/18/2023] Open
Abstract
Experimental models of a clinical, pathophysiological context are used to understand molecular mechanisms and develop novel therapies. Previous studies revealed better outcomes for spinal cord injury chronic ethanol-consuming patients. This study evaluated cellular and molecular changes in a model mimicking spinal cord injury (hypoxic stress induced by treatment with deferoxamine or cobalt chloride) in chronic ethanol-consuming patients (ethanol-exposed neural cultures (SK-N-SH)) in order to explain the clinical paradigm of better outcomes for spinal cord injury chronic ethanol-consuming patients. The results show that long-term ethanol exposure has a cytotoxic effect, inducing apoptosis. At 24 h after the induction of hypoxic stress (by deferoxamine or cobalt chloride treatments), reduced ROS in long-term ethanol-exposed SK-N-SH cells was observed, which might be due to an adaptation to stressful conditions. In addition, the HIF-1α protein level was increased after hypoxic treatment of long-term ethanol-exposed cells, inducing fluctuations in its target metabolic enzymes proportionally with treatment intensity. The wound healing assay demonstrated that the cells recovered after stress conditions, showing that the ethanol-exposed cells that passed the acute step had the same proliferation profile as the cells unexposed to ethanol. Deferoxamine-treated cells displayed higher proliferative activity than the control cells in the proliferation-migration assay, emphasizing the neuroprotective effect. Cells have overcome the critical point of the alcohol-induced traumatic impact and adapted to ethanol (a chronic phenomenon), sustaining the regeneration process. However, further experiments are needed to ensure recovery efficiency is more effective in chronic ethanol exposure.
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Lohoff FW, Clarke TK, Kaminsky ZA, Walker RM, Bermingham ML, Jung J, Morris SW, Rosoff D, Campbell A, Barbu M, Charlet K, Adams M, Lee J, Howard DM, O'Connell EM, Whalley H, Porteous DJ, McIntosh AM, Evans KL. Epigenome-wide association study of alcohol consumption in N = 8161 individuals and relevance to alcohol use disorder pathophysiology: identification of the cystine/glutamate transporter SLC7A11 as a top target. Mol Psychiatry 2022; 27:1754-1764. [PMID: 34857913 PMCID: PMC9095480 DOI: 10.1038/s41380-021-01378-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 09/22/2021] [Accepted: 10/25/2021] [Indexed: 12/23/2022]
Abstract
Alcohol misuse is common in many societies worldwide and is associated with extensive morbidity and mortality, often leading to alcohol use disorders (AUD) and alcohol-related end-organ damage. The underlying mechanisms contributing to the development of AUD are largely unknown; however, growing evidence suggests that alcohol consumption is strongly associated with alterations in DNA methylation. Identification of alcohol-associated methylomic variation might provide novel insights into pathophysiology and novel treatment targets for AUD. Here we performed the largest single-cohort epigenome-wide association study (EWAS) of alcohol consumption to date (N = 8161) and cross-validated findings in AUD populations with relevant endophenotypes, as well as alcohol-related animal models. Results showed 2504 CpGs significantly associated with alcohol consumption (Bonferroni p value < 6.8 × 10-8) with the five leading probes located in SLC7A11 (p = 7.75 × 10-108), JDP2 (p = 1.44 × 10-56), GAS5 (p = 2.71 × 10-47), TRA2B (p = 3.54 × 10-42), and SLC43A1 (p = 1.18 × 10-40). Genes annotated to associated CpG sites are implicated in liver and brain function, the cellular response to alcohol and alcohol-associated diseases, including hypertension and Alzheimer's disease. Two-sample Mendelian randomization confirmed the causal relationship of consumption on AUD risk (inverse variance weighted (IVW) p = 5.37 × 10-09). A methylation-based predictor of alcohol consumption was able to discriminate AUD cases in two independent cohorts (p = 6.32 × 10-38 and p = 5.41 × 10-14). The top EWAS probe cg06690548, located in the cystine/glutamate transporter SLC7A11, was replicated in an independent cohort of AUD and control participants (N = 615) and showed strong hypomethylation in AUD (p < 10-17). Decreased CpG methylation at this probe was consistently associated with clinical measures including increased heavy drinking days (p < 10-4), increased liver function enzymes (GGT (p = 1.03 × 10-21), ALT (p = 1.29 × 10-6), and AST (p = 1.97 × 10-8)) in individuals with AUD. Postmortem brain analyses documented increased SLC7A11 expression in the frontal cortex of individuals with AUD and animal models showed marked increased expression in liver, suggesting a mechanism by which alcohol leads to hypomethylation-induced overexpression of SLC7A11. Taken together, our EWAS discovery sample and subsequent validation of the top probe in AUD suggest a strong role of abnormal glutamate signaling mediated by methylomic variation in SLC7A11. Our data are intriguing given the prominent role of glutamate signaling in brain and liver and might provide an important target for therapeutic intervention.
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Affiliation(s)
- Falk W Lohoff
- Section on Clinical Genomics and Experimental Therapeutics, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA.
| | - Toni-Kim Clarke
- Division of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, Edinburgh, UK
| | - Zachary A Kaminsky
- Royal's Institute of Mental Health Research, University of Ottawa, Ottawa, ON, Canada
| | - Rosie M Walker
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Mairead L Bermingham
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Jeesun Jung
- Section on Clinical Genomics and Experimental Therapeutics, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Stewart W Morris
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Daniel Rosoff
- Section on Clinical Genomics and Experimental Therapeutics, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Archie Campbell
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Miruna Barbu
- Division of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, Edinburgh, UK
| | - Katrin Charlet
- Section on Clinical Genomics and Experimental Therapeutics, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Mark Adams
- Division of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, Edinburgh, UK
| | - Jisoo Lee
- Section on Clinical Genomics and Experimental Therapeutics, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - David M Howard
- Division of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, Edinburgh, UK
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Emma M O'Connell
- Section on Clinical Genomics and Experimental Therapeutics, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - Heather Whalley
- Division of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, Edinburgh, UK
| | - David J Porteous
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Andrew M McIntosh
- Division of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, Edinburgh, UK
| | - Kathryn L Evans
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
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Harvey DC, Baer RJ, Bandoli G, Chambers CD, Jelliffe-Pawlowski LL, Kumar SR. Association of Alcohol Use Diagnostic Codes in Pregnancy and Offspring Conotruncal and Endocardial Cushion Heart Defects. J Am Heart Assoc 2022; 11:e022175. [PMID: 35014860 PMCID: PMC9238516 DOI: 10.1161/jaha.121.022175] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Background The pathogenesis of congenital heart disease (CHD) remains largely unknown, with only a small percentage explained solely by genetic causes. Modifiable environmental risk factors, such as alcohol, are suggested to play an important role in CHD pathogenesis. We sought to evaluate the association between prenatal alcohol exposure and CHD to gain insight into which components of cardiac development may be most vulnerable to the teratogenic effects of alcohol. Methods and Results This was a retrospective analysis of hospital discharge records from the California Office of Statewide Health Planning and Development and linked birth certificate records restricted to singleton, live‐born infants from 2005 to 2017. Of the 5 820 961 births included, 16 953 had an alcohol‐related International Classification of Diseases, Ninth and Tenth Revisions (ICD‐9; ICD‐10) code during pregnancy. Log linear regression was used to calculate risk ratios (RR) for CHD among individuals with an alcohol‐related ICD‐9 and ICD10 code during pregnancy versus those without. Three models were created: (1) unadjusted, (2) adjusted for maternal demographic factors, and (3) adjusted for maternal demographic factors and comorbidities. Maternal alcohol‐related code was associated with an increased risk for CHD in all models (RR, 1.33 to 1.84); conotruncal (RR, 1.62 to 2.11) and endocardial cushion (RR, 2.71 to 3.59) defects were individually associated with elevated risk in all models. Conclusions Alcohol‐related diagnostic codes in pregnancy were associated with an increased risk of an offspring with a CHD, with a particular risk for endocardial cushion and conotruncal defects. The mechanistic basis for this phenotypic enrichment requires further investigation.
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Affiliation(s)
- Drayton C Harvey
- Department of Surgery Keck School of Medicine of University of Southern California Los Angeles CA
| | - Rebecca J Baer
- Department of Pediatrics and Herbert Wertheim School of Public Health and Longevity Science University of California San Diego La Jolla CA.,The California Preterm Birth Initiative University of California San Francisco San Francisco CA.,Department of Obstetrics, Gynecology and Reproductive Sciences University of California San Francisco San Francisco CA
| | - Gretchen Bandoli
- Department of Pediatrics and Herbert Wertheim School of Public Health and Longevity Science University of California San Diego La Jolla CA
| | - Christina D Chambers
- Department of Pediatrics and Herbert Wertheim School of Public Health and Longevity Science University of California San Diego La Jolla CA
| | - Laura L Jelliffe-Pawlowski
- The California Preterm Birth Initiative University of California San Francisco San Francisco CA.,Department of Epidemiology and Biostatistics University of California San Francisco San Francisco CA
| | - S Ram Kumar
- Department of Surgery Keck School of Medicine of University of Southern California Los Angeles CA.,Department of Pediatrics Keck School of Medicine of University of Southern California Los Angeles CA.,Heart Institute, Children's Hospital Los Angeles Los Angeles CA
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Li L, Li S, Qin S, Gao Y, Wang C, Du J, Zhang N, Chen Y, Han Z, Yu Y, Wang F, Zhao Y. Diet, Sports, and Psychological Stress as Modulators of Breast Cancer Risk: Focus on OPRM1 Methylation. Front Nutr 2022; 8:747964. [PMID: 35024367 PMCID: PMC8744450 DOI: 10.3389/fnut.2021.747964] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 11/08/2021] [Indexed: 01/06/2023] Open
Abstract
Background: DNA methylation is influenced by environmental factors and contributes to adverse modification of cancer risk and clinicopathological features. Methods: A case-control study (402 newly diagnosed cases, 470 controls) was conducted to evaluate the effect of environmental factors and OPRM1 methylation in peripheral blood leukocyte (PBL) DNA on the risk of breast cancer. A case-only study (373 cases) was designed to evaluate the effects of environmental factors on OPRM1 methylation in tumor tissue and the relationship of methylation with clinicopathological features. Results: We found a significant association between hypermethylation of OPRM1 and the risk of breast cancer (OR = 1.914, 95%CI = 1.357–2.777). OPRM1 hypermethylation in PBL DNA combined with low intake of vegetable, garlic, soybean, poultry, and milk; high pork intake; less regular sports and a high psychological stress index significantly increased the risk of breast cancer. Soybean intake (OR = 0.425, 95%CI: 0.231–0.781) and regular sports (OR = 0.624, 95%CI: 0.399–0.976) were associated with OPRM1 hypermethylation in tumor DNA. OPRM1 hypermethylation in tumor tissue was correlated with estrogen receptor (ER) (OR = 1.945, 95%CI: 1.262–2.996) and progesterone receptor (PR) (OR = 1.611, 95%CI: 1.069–2.427) negative status; in addition, OPRM1 hypermethylation in PBL DNA was associated with human epidermal growth factor receptor 2 (HER-2) negative status (OR = 3.673, 95%CI: 1.411–9.564). Conclusion: A healthy diet, psychosocial adaptability, and regular sports are very beneficial for breast cancer prevention and progress, especially for OPRM1 hypermethylation carriers. Personalized treatment considering the correlation between OPRM1 hypermethylation and ER and PR status may provide a novel benefit for breast cancer patients.
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Affiliation(s)
- Liangliang Li
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, China
| | - Shuo Li
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, China
| | - Shidong Qin
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yu Gao
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, China
| | - Chao Wang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jinghang Du
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, China
| | - Nannan Zhang
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, China
| | - Yanbo Chen
- The Third Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zhen Han
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, China
| | - Yue Yu
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, China
| | - Fan Wang
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, China
| | - Yashuang Zhao
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, China
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He TT, Xiao H, Wusiman M, Yishake D, Fang AP, Luo Y, Liu XZ, Liu ZY, Zhu HL. Dietary intake of one-carbon metabolism-related nutrients and hepatocellular carcinoma survival in the Guangdong Liver Cancer Cohort. Food Funct 2022; 13:8081-8090. [DOI: 10.1039/d2fo00943a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Dietary intake of one-carbon metabolism-related nutrients has been linked to cancer-related outcomes, but their effects on hepatocellular carcinoma (HCC) mortality are still unknown. The objective was to assess whether pre-diagnostic...
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Rodriguez FD, Coveñas R. Biochemical Mechanisms Associating Alcohol Use Disorders with Cancers. Cancers (Basel) 2021; 13:cancers13143548. [PMID: 34298760 PMCID: PMC8306032 DOI: 10.3390/cancers13143548] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 07/01/2021] [Accepted: 07/14/2021] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Of all yearly deaths attributable to alcohol consumption globally, approximately 12% are due to cancers, representing approximately 0.4 million deceased individuals. Ethanol metabolism disturbs cell biochemistry by targeting the structure and function of essential biomolecules (proteins, nucleic acids, and lipids) and by provoking alterations in cell programming that lead to cancer development and cancer malignancy. A better understanding of the metabolic and cell signaling realm affected by ethanol is paramount to designing effective treatments and preventive actions tailored to specific neoplasias. Abstract The World Health Organization identifies alcohol as a cause of several neoplasias of the oropharynx cavity, esophagus, gastrointestinal tract, larynx, liver, or female breast. We review ethanol’s nonoxidative and oxidative metabolism and one-carbon metabolism that encompasses both redox and transfer reactions that influence crucial cell proliferation machinery. Ethanol favors the uncontrolled production and action of free radicals, which interfere with the maintenance of essential cellular functions. We focus on the generation of protein, DNA, and lipid adducts that interfere with the cellular processes related to growth and differentiation. Ethanol’s effects on stem cells, which are responsible for building and repairing tissues, are reviewed. Cancer stem cells (CSCs) of different origins suffer disturbances related to the expression of cell surface markers, enzymes, and transcription factors after ethanol exposure with the consequent dysregulation of mechanisms related to cancer metastasis or resistance to treatments. Our analysis aims to underline and discuss potential targets that show more sensitivity to ethanol’s action and identify specific metabolic routes and metabolic realms that may be corrected to recover metabolic homeostasis after pharmacological intervention. Specifically, research should pay attention to re-establishing metabolic fluxes by fine-tuning the functioning of specific pathways related to one-carbon metabolism and antioxidant processes.
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Affiliation(s)
- Francisco D. Rodriguez
- Department of Biochemistry and Molecular Biology, Faculty of Chemistry, University of Salamanca, 37007 Salamanca, Spain
- Group GIR USAL: BMD (Bases Moleculares del Desarrollo), 37007 Salamanca, Spain;
- Correspondence: ; Tel.: +34-677-510-030
| | - Rafael Coveñas
- Group GIR USAL: BMD (Bases Moleculares del Desarrollo), 37007 Salamanca, Spain;
- Institute of Neurosciences of Castilla y León (INCYL), Laboratory of Neuroanatomy of the Peptidergic Systems, University of Salamanca, 37007 Salamanca, Spain
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The Impact of Stress Within and Across Generations: Neuroscientific and Epigenetic Considerations. Harv Rev Psychiatry 2021; 29:303-317. [PMID: 34049337 DOI: 10.1097/hrp.0000000000000300] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The impact of stress and trauma on biological systems in humans can be substantial. They can result in epigenetic changes, accelerated brain development and sexual maturation, and predisposition to psychopathology. Such modifications may be accompanied by behavioral, emotional, and cognitive overtones during one's lifetime. Exposure during sensitive periods of neural development may lead to long-lasting effects that may not be affected by subsequent environmental interventions. The cumulative effects of life stressors in an individual may affect offspring's methylome makeup and epigenetic clocks, neurohormonal modulation and stress reactivity, and physiological and reproductive development. While offspring may suffer deleterious effects from parental stress and their own early-life adversity, these factors may also confer traits that prove beneficial and enhance fitness to their own environment. This article synthesizes the data on how stress shapes biological and behavioral dimensions, drawing from preclinical and human models. Advances in this field of knowledge should potentially allow for an improved understanding of how interventions may be increasingly tailored according to individual biomarkers and developmental history.
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11
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Choe JH, Mazambani S, Kim TH, Kim JW. Oxidative Stress and the Intersection of Oncogenic Signaling and Metabolism in Squamous Cell Carcinomas. Cells 2021; 10:606. [PMID: 33803326 PMCID: PMC8000417 DOI: 10.3390/cells10030606] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 02/25/2021] [Accepted: 03/03/2021] [Indexed: 12/13/2022] Open
Abstract
Squamous cell carcinomas (SCCs) arise from both stratified squamous and non-squamous epithelium of diverse anatomical sites and collectively represent one of the most frequent solid tumors, accounting for more than one million cancer deaths annually. Despite this prevalence, SCC patients have not fully benefited from recent advances in molecularly targeted therapy or immunotherapy. Rather, decades old platinum-based or radiation regimens retaining limited specificity to the unique characteristics of SCC remain first-line treatment options. Historically, a lack of a consolidated perspective on genetic aberrations driving oncogenic transformation and other such factors essential for SCC pathogenesis and intrinsic confounding cellular heterogeneity in SCC have contributed to a critical dearth in effective and specific therapies. However, emerging evidence characterizing the distinct genomic, epigenetic, and metabolic landscapes of SCC may be elucidating unifying features in a seemingly heterogeneous disease. In this review, by describing distinct metabolic alterations and genetic drivers of SCC revealed by recent studies, we aim to establish a conceptual framework for a previously unappreciated network of oncogenic signaling, redox perturbation, and metabolic reprogramming that may reveal targetable vulnerabilities at their intersection.
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Affiliation(s)
- Joshua H. Choe
- Department of Biological Sciences, Columbia University, New York, NY 10027, USA
| | - Simbarashe Mazambani
- Department of Biological Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.M.); (T.H.K.)
| | - Tae Hoon Kim
- Department of Biological Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.M.); (T.H.K.)
| | - Jung-whan Kim
- Department of Biological Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.M.); (T.H.K.)
- Research and Development, VeraVerse Inc., 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
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12
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Geijsen AJMR, Ulvik A, Gigic B, Kok DE, van Duijnhoven FJB, Holowatyj AN, Brezina S, van Roekel EH, Baierl A, Bergmann MM, Böhm J, Bours MJL, Brenner H, Breukink SO, Bronner MP, Chang-Claude J, de Wilt JHW, Grady WM, Grünberger T, Gumpenberger T, Herpel E, Hoffmeister M, Huang LC, Jedrzkiewicz JD, Keulen ETP, Kiblawi R, Kölsch T, Koole JL, Kosma K, Kouwenhoven EA, Kruyt FM, Kvalheim G, Li CI, Lin T, Ose J, Pickron TB, Scaife CL, Schirmacher P, Schneider MA, Schrotz-King P, Singer MC, Swanson ER, van Duijvendijk P, van Halteren HK, van Zutphen M, Vickers K, Vogelaar FJ, Wesselink E, Habermann N, Ulrich AB, Ueland PM, Weijenberg MP, Gsur A, Ulrich CM, Kampman E. Circulating Folate and Folic Acid Concentrations: Associations With Colorectal Cancer Recurrence and Survival. JNCI Cancer Spectr 2020; 4:pkaa051. [PMID: 33134831 PMCID: PMC7583160 DOI: 10.1093/jncics/pkaa051] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 04/30/2020] [Accepted: 06/03/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Folates, including folic acid, may play a dual role in colorectal cancer development. Folate is suggested to be protective in early carcinogenesis but could accelerate growth of premalignant lesions or micrometastases. Whether circulating concentrations of folate and folic acid, measured around time of diagnosis, are associated with recurrence and survival in colorectal cancer patients is largely unknown. METHODS Circulating concentrations of folate, folic acid, and folate catabolites p-aminobenzoylglutamate and p-acetamidobenzoylglutamate were measured by liquid chromatography-tandem mass spectrometry at diagnosis in 2024 stage I-III colorectal cancer patients from European and US patient cohort studies. Multivariable-adjusted Cox proportional hazard models were used to assess associations between folate, folic acid, and folate catabolites concentrations with recurrence, overall survival, and disease-free survival. RESULTS No statistically significant associations were observed between folate, p-aminobenzoylglutamate, and p-acetamidobenzoylglutamate concentrations and recurrence, overall survival, and disease-free survival, with hazard ratios ranging from 0.92 to 1.16. The detection of folic acid in the circulation (yes or no) was not associated with any outcome. However, among patients with detectable folic acid concentrations (n = 296), a higher risk of recurrence was observed for each twofold increase in folic acid (hazard ratio = 1.31, 95% confidence interval = 1.02 to 1.58). No statistically significant associations were found between folic acid concentrations and overall and disease-free survival. CONCLUSIONS Circulating folate and folate catabolite concentrations at colorectal cancer diagnosis were not associated with recurrence and survival. However, caution is warranted for high blood concentrations of folic acid because they may increase the risk of colorectal cancer recurrence.
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Affiliation(s)
- Anne J M R Geijsen
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands
| | | | - Biljana Gigic
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Dieuwertje E Kok
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands
| | | | - Andreana N Holowatyj
- Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
| | - Stefanie Brezina
- Department of Medicine I, Institute of Cancer Research, Medical University of Vienna, Vienna, Austria
| | - Eline H van Roekel
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, the Netherlands
| | - Andreas Baierl
- Department of Statistics and Operations Research, University of Vienna, Vienna, Austria
| | | | - Jürgen Böhm
- Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
| | - Martijn J L Bours
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, the Netherlands
| | - Hermann Brenner
- Division of Preventive Oncology, National Center for Tumor Diseases and German Cancer Research Center, Heidelberg, Germany
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany
- German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Stéphanie O Breukink
- Department of Surgery, GROW School for Oncology and Development Biology, Maastricht University, Maastricht, the Netherlands
| | - Mary P Bronner
- Department of Pathology, University of Utah, Salt Lake City, UT, USA
| | - Jenny Chang-Claude
- Division of Cancer Epidemiology, German Cancer Research Center, Heidelberg, Germany
| | - Johannes H W de Wilt
- Department of Surgery, Division of Surgical Oncology and Gastrointestinal Surgery, Radboud University Medical Center, Nijmegen, the Netherlands
| | - William M Grady
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | | | - Tanja Gumpenberger
- Department of Medicine I, Institute of Cancer Research, Medical University of Vienna, Vienna, Austria
| | - Esther Herpel
- Institute of Pathology, University of Heidelberg, Heidelberg, Germany
| | - Michael Hoffmeister
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Lyen C Huang
- Huntsman Cancer Institute, Salt Lake City, UT, USA
| | | | - Eric T P Keulen
- Department of Internal Medicine and Gastroenterology, Zuyderland Medical Center, Sittard, the Netherlands
| | - Rama Kiblawi
- Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
- Medical Faculty, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | - Torsten Kölsch
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Janna L Koole
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, the Netherlands
| | - Katharina Kosma
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | | | - Flip M Kruyt
- Department of Surgery, Hospital Gelderse Vallei, Ede, the Netherlands
| | | | - Christopher I Li
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Tengda Lin
- Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
| | - Jennifer Ose
- Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
| | | | | | | | - Martin A Schneider
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Petra Schrotz-King
- Division of Preventive Oncology, National Center for Tumor Diseases and German Cancer Research Center, Heidelberg, Germany
| | - Marie C Singer
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Eric R Swanson
- Department of Surgery, University of Utah, Salt Lake City, UT, USA
| | | | - Henk K van Halteren
- Department of Internal Medicine, Admiraal de Ruyter Hospital, Goes, the Netherlands
| | - Moniek van Zutphen
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands
| | - Kathy Vickers
- Department of Surgery, Hospital Gelderse Vallei, Ede, the Netherlands
| | - F Jeroen Vogelaar
- Department of Surgery, VieCuri Medical Center, Venlo, the Netherlands
| | - Evertine Wesselink
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands
| | - Nina Habermann
- Genome Biology, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Alexis B Ulrich
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | | | - Matty P Weijenberg
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, the Netherlands
| | - Andrea Gsur
- Department of Medicine I, Institute of Cancer Research, Medical University of Vienna, Vienna, Austria
| | - Cornelia M Ulrich
- Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
| | - Ellen Kampman
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands
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13
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Low folate status, and MTHFR 677C > T and MTR 2756A > G polymorphisms associated with colorectal cancer risk in Thais: a case-control study. Nutr Res 2019; 72:80-91. [DOI: 10.1016/j.nutres.2019.10.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 10/17/2019] [Accepted: 10/22/2019] [Indexed: 12/30/2022]
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14
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Akinmoladun VI, Arinola OG. Serum levels of single-carbon metabolism vitamins and homocysteine in head-and-neck squamous cell carcinoma: Preliminary report. Ann Afr Med 2019; 18:60-64. [PMID: 31070145 PMCID: PMC6521640 DOI: 10.4103/aam.aam_18_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Background: Head-and-neck carcinomas are a heterogeneous group of malignancies arising from the upper aerodigestive tract. Tobacco and alcohol are the leading etiological factors; however, bioactive food components, including those that modulate DNA methylation, are being linked to susceptibility. This work assesses the distribution of head-and-neck cancers presenting at a tertiary health institution and determined the serum level of the vitamins and an amino acid involved in the methionine cycle, in view of increasing acceptance of the significant role of DNA methylation in the pathogenesis of cancers. Patients and Methods: This study involved 30 newly diagnosed cases of head-and-neck squamous cell carcinoma. Thirty apparently healthy volunteers served as controls. The test cases were made up of 19 males and 11 females while controls were made up of 14 males and 16 females. The median ages of the test cases and controls were 59 and 63 years, respectively. Sera obtained from participants' blood were analyzed by high-performance liquid chromatography technique. The study protocol was approved by the joint University of Ibadan/University College Hospital Institution Review Board. Results: There is a male dominance in the number of cases at male-to-female ratio of 1.7: 1. The oral cavity was the most-affected site. Serum levels of Vitamin B2, B6, B12, and homocysteine were lower in cases compared with controls but not significantly so. However, serum Vitamin A and folic acid levels were significantly lower among the cases ([0.62 vs. 0.71, z = −2.50, P = 0.02], [26.05 vs. 30.82, z = 0.20, P = 0.00]) compared with controls. Only tobacco and alcohol use showed a significant association with head-and-neck cancer, but not family history of cancer or alcohol use alone (P = 0.00). Conclusion: Significantly low serum Vitamin A and hypofolataemia are associated with head-and-neck squamous cell carcinoma. This is suggestive of a role for these vitamins in the etiopathogenesis of the disease.
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Affiliation(s)
- Victor Ifeolu Akinmoladun
- Department of Oral and Maxillofacial Surgery, College of Medicine, University of Ibadan, Ibadan, Nigeria
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15
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Arthur RS, Kirsh VA, Rohan TE. Dietary B-Vitamin Intake and Risk of Breast, Endometrial, Ovarian and Colorectal Cancer among Canadians. Nutr Cancer 2019; 71:1067-1077. [PMID: 30955365 DOI: 10.1080/01635581.2019.1597904] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 02/04/2019] [Accepted: 03/12/2019] [Indexed: 02/08/2023]
Abstract
Few studies have explored the associations of thiamin, niacin and riboflavin with risk of cancer despite their role in potentially cancer-associated one-carbon metabolism. Using multivariable Cox proportional hazards regression models modified for the case-cohort design, we examined the associations of dietary intake of the above-mentioned B vitamins, as well as folate, and vitamins B6 and B12, with risk of the breast (n = 922), endometrial (n = 180), ovarian (n = 104) and colorectal (n = 266) cancers among age-stratified subcohorts of 3,185 women who were randomly selected from a cohort of 73,909 participants. None of the B-vitamins were associated with risk of breast or colorectal cancers. However, relatively high dietary intake of folate intake was inversely associated with risk of endometrial (HRq4 vs q1: 0.52; 95% CI: 0.29-0.93) and ovarian (HRq3 vs q1: 0.39; 95% CI: 0.19-0.80) cancers while relatively high dietary intake of vitamin B6 was inversely associated with ovarian cancer risk (HRq3 vs q1: 0.49; 95% CI: 0.24-0.98). These findings suggest that dietary intake of folate may reduce risk of endometrial and ovarian cancers and dietary intake of vitamin B6 may reduce risk of ovarian cancer.
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Affiliation(s)
- Rhonda S Arthur
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine , Bronx , New York , USA
| | - Victoria A Kirsh
- Dalla Lana School of Public Health, University of Toronto , Toronto , Ontario , Canada
| | - Thomas E Rohan
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine , Bronx , New York , USA
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16
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Perrier F, Viallon V, Ambatipudi S, Ghantous A, Cuenin C, Hernandez-Vargas H, Chajès V, Baglietto L, Matejcic M, Moreno-Macias H, Kühn T, Boeing H, Karakatsani A, Kotanidou A, Trichopoulou A, Sieri S, Panico S, Fasanelli F, Dolle M, Onland-Moret C, Sluijs I, Weiderpass E, Quirós JR, Agudo A, Huerta JM, Ardanaz E, Dorronsoro M, Tong TYN, Tsilidis K, Riboli E, Gunter MJ, Herceg Z, Ferrari P, Romieu I. Association of leukocyte DNA methylation changes with dietary folate and alcohol intake in the EPIC study. Clin Epigenetics 2019; 11:57. [PMID: 30940212 PMCID: PMC6444439 DOI: 10.1186/s13148-019-0637-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 02/20/2019] [Indexed: 12/14/2022] Open
Abstract
Background There is increasing evidence that folate, an important component of one-carbon metabolism, modulates the epigenome. Alcohol, which can disrupt folate absorption, is also known to affect the epigenome. We investigated the association of dietary folate and alcohol intake on leukocyte DNA methylation levels in the European Prospective Investigation into Cancer and Nutrition (EPIC) study. Leukocyte genome-wide DNA methylation profiles on approximately 450,000 CpG sites were acquired with Illumina HumanMethylation 450K BeadChip measured among 450 women control participants of a case-control study on breast cancer nested within the EPIC cohort. After data preprocessing using surrogate variable analysis to reduce systematic variation, associations of DNA methylation with dietary folate and alcohol intake, assessed with dietary questionnaires, were investigated using CpG site-specific linear models. Specific regions of the methylome were explored using differentially methylated region (DMR) analysis and fused lasso (FL) regressions. The DMR analysis combined results from the feature-specific analysis for a specific chromosome and using distances between features as weights whereas FL regression combined two penalties to encourage sparsity of single features and the difference between two consecutive features. Results After correction for multiple testing, intake of dietary folate was not associated with methylation level at any DNA methylation site, while weak associations were observed between alcohol intake and methylation level at CpG sites cg03199996 and cg07382687, with qval = 0.029 and qval = 0.048, respectively. Interestingly, the DMR analysis revealed a total of 24 and 90 regions associated with dietary folate and alcohol, respectively. For alcohol intake, 6 of the 15 most significant DMRs were identified through FL. Conclusions Alcohol intake was associated with methylation levels at two CpG sites. Evidence from DMR and FL analyses indicated that dietary folate and alcohol intake may be associated with genomic regions with tumor suppressor activity such as the GSDMD and HOXA5 genes. These results were in line with the hypothesis that epigenetic mechanisms play a role in the association between folate and alcohol, although further studies are warranted to clarify the importance of these mechanisms in cancer. Electronic supplementary material The online version of this article (10.1186/s13148-019-0637-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- F Perrier
- Nutritional Methodology and Biostatistics Group, International Agency for Research on Cancer (IARC), World Health Organization, 150, cours Albert Thomas, 69372, Lyon CEDEX 08, France
| | - V Viallon
- Nutritional Methodology and Biostatistics Group, International Agency for Research on Cancer (IARC), World Health Organization, 150, cours Albert Thomas, 69372, Lyon CEDEX 08, France
| | - S Ambatipudi
- Epigenetics Group, IARC, Lyon, France.,MRC Integrative Epidemiology Unit, Bristol Medical School, University of Bristol, Bristol, UK
| | | | - C Cuenin
- Epigenetics Group, IARC, Lyon, France
| | | | - V Chajès
- Nutritional Epidemiology Group, IARC, Lyon, France
| | - L Baglietto
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - M Matejcic
- Nutritional Epidemiology Group, IARC, Lyon, France.,Department of Preventive Medicine, Keck School of Medicine, University of Southern California/Norris Comprehensive Cancer Center, Los Angeles, CA, USA
| | | | - T Kühn
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - H Boeing
- Department of Epidemiology, German Institute of Human Nutrition (DIfE), Potsdam-Rehbrücke, Germany
| | - A Karakatsani
- Hellenic Health Foundation, Athens, Greece.,2nd Pulmonary Medicine Department, School of Medicine, National and Kapodistrian University of Athens, "ATTIKON" University Hospital, Haidari, Greece
| | - A Kotanidou
- Hellenic Health Foundation, Athens, Greece.,1st Department of Critical Care Medicine and Pulmonary Services, University of Athens Medical School, Evangelismos Hospital, Athens, Greece
| | | | - S Sieri
- Epidemiology and Prevention Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - S Panico
- Dipartimento di Medicina Clinica e Chirurgia, Federico II University, Naples, Italy
| | - F Fasanelli
- Cancer Epidemiology Unit, Department of Medical Sciences, University of Turin, Via Santena 7, Turin, Italy
| | - M Dolle
- National Institute of Public Health and the Environment (RIVM), Centre for Health Protection (pb12), Bilthoven, The Netherlands
| | - C Onland-Moret
- Department of Epidemiology, Julius Center Research Program Cardiovascular Epidemiology, Utrecht, The Netherlands
| | - I Sluijs
- Department of Epidemiology, Julius Center Research Program Cardiovascular Epidemiology, Utrecht, The Netherlands
| | - E Weiderpass
- Department of Research, Cancer Registry of Norway, Institute of Population-Based Cancer Research, Oslo, Norway.,Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.,Genetic Epidemiology Group, Folkhälsan Research Center and Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Department of Community Medicine, University of Tromsø, The Arctic University of Norway, Tromsø, Norway
| | - J R Quirós
- Public Health Directorate, Asturias, Spain
| | - A Agudo
- Unit of Nutrition and Cancer, Cancer Epidemiology Research Program, Catalan Institute of Oncology-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - J M Huerta
- Department of Epidemiology, Murcia Regional Health Council, IMIB-Arrixaca, Murcia, Spain.,CIBER Epidemiology and Public Health CIBERESP, Madrid, Spain
| | - E Ardanaz
- Department of Epidemiology, Murcia Regional Health Council, IMIB-Arrixaca, Murcia, Spain.,CIBER Epidemiology and Public Health CIBERESP, Madrid, Spain.,Navarra Public Health Institute, Pamplona, Spain.,IdiSNA, Navarra Institute for Health Research, Pamplona, Spain
| | - M Dorronsoro
- Public Health Direction and Biodonostia Research Institute and CIBERESP, Basque Regional Health Department, San Sebastian, Spain
| | - T Y N Tong
- Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - K Tsilidis
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - E Riboli
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - M J Gunter
- Nutritional Epidemiology Group, IARC, Lyon, France
| | - Z Herceg
- Epigenetics Group, IARC, Lyon, France
| | - P Ferrari
- Nutritional Methodology and Biostatistics Group, International Agency for Research on Cancer (IARC), World Health Organization, 150, cours Albert Thomas, 69372, Lyon CEDEX 08, France.
| | - I Romieu
- Nutritional Epidemiology Group, IARC, Lyon, France
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17
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Abstract
Nine compounds are classified as water-soluble vitamins, eight B vitamins and one vitamin C. The vitamins are mandatory for the function of numerous enzymes and lack of one or more of the vitamins may lead to severe medical conditions. All the vitamins are supplied by food in microgram to milligram quantities and in addition some of the vitamins are synthesized by the intestinal microbiota. In the gastrointestinal tract, the vitamins are liberated from binding proteins and for some of the vitamins modified prior to absorption. Due to their solubility in water, they all require specific carriers to be absorbed. Our current knowledge concerning each of the vitamins differs in depth and focus and is influenced by the prevalence of conditions and diseases related to lack of the individual vitamin. Because of that we have chosen to cover slightly different aspects for the individual vitamins. For each of the vitamins, we summarize the physiological role, the steps involved in the absorption, and the factors influencing the absorption. In addition, for some of the vitamins, the molecular base for absorption is described in details, while for others new aspects of relevance for human deficiency are included. © 2018 American Physiological Society. Compr Physiol 8:1291-1311, 2018.
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Affiliation(s)
- Hamid M Said
- University of California-School of Medicine, Irvine, California, USA.,VA Medical Center, Long Beach, California, USA
| | - Ebba Nexo
- Department of Clinical Medicine, Clinical Biochemistry, Aarhus University Hospital, Aarhus, Denmark
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18
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Gonzales MC, Grayson J, Lie A, Yu CH, Shiao SYPK. Gene-environment interactions and predictors of breast cancer in family-based multi-ethnic groups. Oncotarget 2018; 9:29019-29035. [PMID: 30018733 PMCID: PMC6044380 DOI: 10.18632/oncotarget.25520] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 05/08/2018] [Indexed: 12/30/2022] Open
Abstract
Breast cancer (BC) is the most common cancer in women worldwide and second leading cause of cancer-related death. Understanding gene-environment interactions could play a critical role for next stage of BC prevention efforts. Hence, the purpose of this study was to examine the key gene-environmental factors affecting the risks of BC in a diverse sample. Five genes in one-carbon metabolism pathway including MTHFR 677, MTHFR 1298, MTR 2756, MTRR 66, and DHFR 19bp together with demographics, lifestyle, and dietary intake factors were examined in association with BC risks. A total of 80 participants (40 BC cases and 40 family/friend controls) in southern California were interviewed and provided salivary samples for genotyping. We presented the first study utilizing both conventional and new analytics including ensemble method and predictive modeling based on smallest errors to predict BC risks. Predictive modeling of Generalized Regression Elastic Net Leave-One-Out demonstrated alcohol use (p = 0.0126) and age (p < 0.0001) as significant predictors; and significant interactions were noted between body mass index (BMI) and alcohol use (p = 0.0027), and between BMI and MTR 2756 polymorphisms (p = 0.0090). Our findings identified the modifiable lifestyle factors in gene-environment interactions that are valuable for BC prevention.
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Affiliation(s)
- Mildred C Gonzales
- Los Angeles County College of Nursing and Allied Health, Los Angeles, CA, USA
| | - James Grayson
- Hull College of Business, Augusta University, Augusta, GA, USA
| | - Amanda Lie
- Citrus Valley Health Partners, Foothill Presbyterian Hospital, Glendora, CA, USA
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19
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Yang S, Lee J, Park Y, Lee EK, Hwangbo Y, Ryu J, Sung J, Kim J. Interaction between alcohol consumption and methylenetetrahydrofolate reductase polymorphisms in thyroid cancer risk: National Cancer Center cohort in Korea. Sci Rep 2018; 8:4077. [PMID: 29511243 PMCID: PMC5840348 DOI: 10.1038/s41598-018-22189-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 02/19/2018] [Indexed: 12/15/2022] Open
Abstract
The effect of alcohol intake on thyroid cancer is unestablished, and its interaction effects with genetic susceptibility are unclear. In this case-control study, the relationship among alcohol intake, the methylenetetrahydrofolate reductase (MTHFR) gene, and thyroid cancer risk has been evaluated. In total, 642 cases and 642 controls of Korean origin were included, and the genetic variants C677T and A1298C of the MTHFR gene were analysed. The interactions between alcohol-consumption behaviour and genetic variants were analysed with a likelihood ratio test, wherein a multiplicative interaction term was added to a logistic regression model. There was an independent association between the C677T polymorphism and thyroid cancer risk but not for drinking history. For C677T C/C homozygotes, individuals with a history of alcohol consumption showed a protective OR (95% CI) of 0.42 (0.15–1.13) when never drinkers were used as the reference. However, this protective association was not observed among individuals with a T+ allele with an OR (95% CI) of 1.27 (0.89–1.82), showing different directions for the association between genotypes with a significant interaction (Pinteraction = 0.009). Based on the genetic characteristics of individuals included, an interaction between alcohol intake and MTHFR C677T may modify the risk of thyroid cancer.
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Affiliation(s)
- Sarah Yang
- Molecular Epidemiology Branch, Division of Cancer Epidemiology and Prevention, Research Institute, National Cancer Center, Seoul, South Korea.,Complex Disease & Genomic Epidemiology Branch, Department of Public Health, School of Public Health, Seoul National University, Seoul, South Korea
| | - Jeonghee Lee
- Molecular Epidemiology Branch, Division of Cancer Epidemiology and Prevention, Research Institute, National Cancer Center, Seoul, South Korea
| | - Yoon Park
- Molecular Epidemiology Branch, Division of Cancer Epidemiology and Prevention, Research Institute, National Cancer Center, Seoul, South Korea
| | - Eun Kyung Lee
- Center for Thyroid Cancer, National Cancer Center Hospital, National Cancer Center, Seoul, South Korea
| | - Yul Hwangbo
- Center for Thyroid Cancer, National Cancer Center Hospital, National Cancer Center, Seoul, South Korea
| | - Junsun Ryu
- Center for Thyroid Cancer, National Cancer Center Hospital, National Cancer Center, Seoul, South Korea
| | - Joohon Sung
- Complex Disease & Genomic Epidemiology Branch, Department of Public Health, School of Public Health, Seoul National University, Seoul, South Korea
| | - Jeongseon Kim
- Molecular Epidemiology Branch, Division of Cancer Epidemiology and Prevention, Research Institute, National Cancer Center, Seoul, South Korea.
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Abstract
The widespread and rapidly increasing trend of binge drinking is accompanied by a concomitant rise in the prevalence of trauma patients under the influence of alcohol at the time of their injury. Epidemiological evidence suggests up to half of all adult burn patients are intoxicated at the time of admission, and the presence of alcohol is an independent risk factor for death in the early stages post burn. As the major site of alcohol metabolism and toxicity, the liver is a critical determinant of postburn outcome, and experimental evidence implies an injury threshold exists beyond which burn-induced hepatic derangement is observed. Alcohol may lower this threshold for postburn hepatic damage through a variety of mechanisms including modulation of extrahepatic events, alteration of the gut-liver axis, and changes in signaling pathways. The direct and indirect effects of alcohol may prime the liver for the second-hit of many overlapping physiologic responses to burn injury. In an effort to gain a deeper understanding of how alcohol potentiates postburn hepatic damage, the authors summarize possible mechanisms by which alcohol modulates the postburn hepatic response.
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Krupenko SA, Krupenko NI. ALDH1L1 and ALDH1L2 Folate Regulatory Enzymes in Cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1032:127-143. [PMID: 30362096 DOI: 10.1007/978-3-319-98788-0_10] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Epidemiological studies implicate excess ethanol ingestion as a risk factor for several cancers and support the concept of a synergistic effect of chronic alcohol consumption and folate deficiency on carcinogenesis. Alcohol consumption affects folate-related genes and enzymes including two major folate-metabolizing enzymes, ALDH1L1 and ALDH1L2. ALDH1L1 (cytosolic 10-formyltetrahydrofolate dehydrogenase) is a regulatory enzyme in folate metabolism that controls the overall flux of one-carbon groups in folate-dependent biosynthetic pathways. It is strongly and ubiquitously down-regulated in malignant tumors via promoter methylation, and recent studies underscored this enzyme as a candidate tumor suppressor and potential marker of aggressive cancers. A related enzyme, ALDH1L2, is the mitochondrial homolog of ALDH1L1 encoded by a separate gene. In contrast to its cytosolic counterpart, ALDH1L2 is expressed in malignant tumors and cancer cell lines and was implicated in metastasis regulation. This review discusses the link between folate and cancer, modifying effects of alcohol consumption on folate-associated carcinogenesis, and putative roles of ALDH1L1 and ALDH1L2 in this process.
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Affiliation(s)
- Sergey A Krupenko
- Department of Nutrition, University of North Carolina, Chapel Hill, NC, USA. .,UNC Nutrition Research Institute, Chapel Hill, NC, USA.
| | - Natalia I Krupenko
- Department of Nutrition, University of North Carolina, Chapel Hill, NC, USA.,UNC Nutrition Research Institute, Chapel Hill, NC, USA
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Abstract
Chronic, heavy alcohol consumption is associated with serious negative health effects, including the development of several cancer types. One of the pathways affected by alcohol toxicity is the one-carbon metabolism. The alcohol-induced impairment of this metabolic pathway results in epigenetic changes associated with cancer development. These epigenetic changes are induced by folate deficiency and by products of the ethanol metabolism. The changes induced by long-term heavy ethanol consumption result in elevations of homocysteine and S-adenosyl-homocysteine (SAH) and reductions in S-adenosylmethionine (SAM) and antioxidant glutathione (GSH) levels, leading to abnormal promoter gene hypermethylation, global hypomethylation, and metabolic insufficiency of antioxidant defense mechanisms. In addition, reactive oxygen species (ROS) generated during the ethanol metabolism induce alterations in DNA methylation patterns that play a critical role in cancer development. Specific epigenetic changes in esophageal, hepatic, and colorectal cancers have been detected in blood samples and proposed to be used clinically as epigenetic biomarkers for diagnosis and prognosis of these cancers. Also, genetic variants of genes involved in one-carbon metabolism and ethanol metabolism were found to modulate the relationship between alcohol-induced epigenetic changes and cancer risk. Furthermore, alcohol metabolism products have been associated with an increase in NADH levels, which lead to histone modifications and changes in gene expression that in turn influence cancer susceptibility. Chronic excessive use of alcohol also affects selected members of the family of microRNAs, and as miRNAs could act as epigenetic regulators, this may play an important role in carcinogenesis. In conclusion, targeting alcohol-induced epigenetic changes in several cancer types could make available clinical tools for the diagnosis, prognosis, and treatment of these cancers, with an important role in precision medicine.
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Kader F, Ghai M, Maharaj L. The effects of DNA methylation on human psychology. Behav Brain Res 2017; 346:47-65. [PMID: 29237550 DOI: 10.1016/j.bbr.2017.12.004] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 11/01/2017] [Accepted: 12/05/2017] [Indexed: 01/05/2023]
Abstract
DNA methylation is a fundamental epigenetic modification in the human genome; pivotal in development, genomic imprinting, X inactivation, chromosome stability, gene expression and methylation aberrations are involved in an array of human diseases. Methylation at promoters is associated with transcriptional repression, whereas gene body methylation is generally associated with gene expression. Extrinsic factors such as age, diets and lifestyle affect DNA methylation which consequently alters gene expression. Stress, anxiety, depression, life satisfaction, emotion among numerous other psychological factors also modify DNA methylation patterns. This correlation is frequently investigated in four candidate genes; NR3C1, SLC6A4, BDNF and OXTR, since regulation of these genes directly impact responses to social situations, stress, threats, behaviour and neural functions. Such studies underpin the hypothesis that DNA methylation is involved in deviant human behaviour, psychological and psychiatric conditions. These candidate genes may be targeted in future to assess the correlation between methylation, social experiences and long-term behavioural phenotypes in humans; and may potentially serve as biomarkers for therapeutic intervention.
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Affiliation(s)
- Farzeen Kader
- School of Life Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4000 South Africa.
| | - Meenu Ghai
- School of Life Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4000 South Africa.
| | - Leah Maharaj
- School of Life Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4000 South Africa.
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The impact of folate intake on the risk of head and neck cancer in the prostate, lung, colorectal, and ovarian cancer screening trial (PLCO) cohort. Br J Cancer 2017; 118:299-306. [PMID: 29161239 PMCID: PMC5785740 DOI: 10.1038/bjc.2017.383] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 08/17/2017] [Accepted: 10/09/2017] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Although low levels of folate leads to disturbances in DNA replication, DNA methylation and DNA repair, the association between dietary folate intake and head and neck cancer (HNC) risk remains unclear. METHODS We evaluated the association between folate intake and HNC risk using prospective cohort data from the Prostate, Lung, Colorectal, and Ovarian (PLCO) cancer screening trial. This study included 101 700 participants and 186 cases with confirmed incident HNC. The median follow-up was 12.5 years. We estimated hazard ratios (HRs) and the corresponding 95% confidence intervals (CIs) using Cox proportional hazard model including age, sex, body mass index, education, race, tobacco smoking, alcohol drinking and total fruit and vegetable intake. RESULTS Higher intake of food folate and fortified folic acid in foods was associated with a decreasing HNC risk in a dose-response manner. The HRs of highest vs the lowest quartile of intake were 0.35 (95%CI: 0.18-0.67) for food folate, and 0.49 (95%CI: 0.30-0.82) for fortified folic acid. Intakes of total folate, natural folate and supplemental folic acid were not associated with the risk of HNC and its subsites. We did not detect any interaction between smoking, drinking and food folate intake on HNC risk. CONCLUSIONS These findings provide evidence of the protective role of dietary folate intake on HNC risk.
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Saito E, Inoue M, Sawada N, Charvat H, Shimazu T, Yamaji T, Iwasaki M, Sasazuki S, Mizoue T, Iso H, Tsugane S. Impact of Alcohol Intake and Drinking Patterns on Mortality From All Causes and Major Causes of Death in a Japanese Population. J Epidemiol 2017; 28:140-148. [PMID: 29129895 PMCID: PMC5821691 DOI: 10.2188/jea.je20160200] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND We examined the associations of alcohol consumption and liver holidays with all-cause mortality and with mortality due to cancer, heart disease, cerebrovascular disease, respiratory disease, and injury using a large-scale prospective study in Japan. METHODS We followed 102,849 Japanese who were aged between 40 and 69 years at baseline for 18.2 years on average, during which 15,203 deaths were reported. Associations between alcohol intake and mortality risk were assessed using a Cox proportional hazards model, with analysis by the number of liver holidays (in which a person abstains from drinking for several days a week). RESULTS A J-shaped association was observed between alcohol intake and total mortality in men (nondrinkers: reference; occasional drinkers: hazard ratio [HR] 0.74; 95% confidence interval [CI], 0.68-0.80; 1-149 g/week: HR 0.76; 95% CI, 0.71-0.81; 150-299 g/week: HR 0.75; 95% CI, 0.70-0.80; 300-449 g/week: HR 0.84; 95% CI, 0.78-0.91; 450-599 g/week: HR 0.92; 95% CI, 0.83-1.01; and ≥600 g/week: HR 1.19; 95% CI, 1.07-1.32) and in women (nondrinkers: reference; occasional: HR 0.75; 95% CI, 0.70-0.82; 1-149 g/week: HR 0.80; 95% CI, 0.73-0.88; 150-299 g/week: HR 0.91; 95% CI, 0.74-1.13; 300-449 g/week: HR 1.04; 95% CI, 0.73-1.48; and ≥450 g/week: HR 1.59; 95% CI, 1.07-2.38). In current drinkers, alcohol consumption was associated with a linear, positive increase in mortality risk from all causes, cancer, and cerebrovascular disease in both men and women, but not heart disease in men. Taking of liver holidays was associated with a lower risk of cancer and cerebrovascular disease mortality in men. CONCLUSIONS Alcohol intake showed J-shaped associations with the risk of total mortality and three leading causes of death. However, heavy drinking increases the risk of mortality, which highlights the necessity of drinking in moderation coupled with liver holidays.
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Affiliation(s)
- Eiko Saito
- Graduate School of Medicine, The University of Tokyo.,Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center
| | - Manami Inoue
- Graduate School of Medicine, The University of Tokyo.,Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center
| | - Norie Sawada
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center
| | - Hadrien Charvat
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center
| | - Taichi Shimazu
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center
| | - Taiki Yamaji
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center
| | - Motoki Iwasaki
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center
| | - Shizuka Sasazuki
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center
| | - Tetsuya Mizoue
- Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine
| | - Hiroyasu Iso
- Public Health, Department of Social and Environmental Medicine, Osaka University Graduate School of Medicine
| | - Shoichiro Tsugane
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center
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Sanvisens A, Zuluaga P, Pineda M, Fuster D, Bolao F, Juncà J, Tor J, Muga R. Folate deficiency in patients seeking treatment of alcohol use disorder. Drug Alcohol Depend 2017; 180:417-422. [PMID: 28988003 DOI: 10.1016/j.drugalcdep.2017.08.039] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2017] [Revised: 08/28/2017] [Accepted: 08/30/2017] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Nutritional deficiency is frequent in patients with an alcohol use disorder (AUD). We aimed to analyze serum and erythrocyte folate deficiency in a case series of patients that initiated treatment of AUD. PATIENTS AND METHODS A cross-sectional study in patients admitted for detoxification between 2007 and 2015 was performed. Sociodemographic characteristics, history of alcohol consumption, type of alcohol, and medical co-morbidity were assessed at admission. Blood samples for biochemistry and hematological parameters were collected at admission. Logistic regression models were used to establish predictors of folate deficiency. RESULTS 211 patients (79.1% men) were eligible; age at admission was 46 years [IQR:40-51], and the amount of alcohol consumption was of 160g/day [IQR:120-200]. Thirty four percent of patients had macrocytosis (MCV>100fL), 12.8% had anemia, 23% of cases presented with serum folate deficiency and 7% presented with erythrocyte folate deficiency. Most (69%) of the patients with serum folate deficiency had normal erythrocyte folate levels. In univariate analysis, macrocytosis (OR=3.4, 95%CI:1.7-6.6), alcohol-related liver disease (ARLD) (OR=2.5, 95%CI:1.0-6.1) and drinking alcoholic beverages other than beer (OR=3.3, 95%CI:1.5-7.3) were associated with folate deficiency. However, only macrocytosis was significantly associated with serum folate deficiency in multivariate analysis (OR=3.1, 95%CI:1.1-8.9). Macrocytosis (P<0.001), ARLD (P=0.01) and the type of alcohol consumption (P<0.001) were factors associated with erythrocyte folate deficiency in univariate analysis. In multivariate analysis only macrocytosis remained significantly associated to erythrocyte folate deficiency (P=0.037). CONCLUSION Folate deficiency is a relatively frequent finding in contemporary, middle-aged patients with AUD, and macrocytosis is significantly associated with the deficiency.
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Affiliation(s)
- Arantza Sanvisens
- Department of Internal Medicine, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain
| | - Paola Zuluaga
- Department of Internal Medicine, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain
| | - Miriam Pineda
- Department of Internal Medicine, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain
| | - Daniel Fuster
- Department of Internal Medicine, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain
| | - Ferran Bolao
- Department of Internal Medicine, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Universitat de Barcelona, Spain
| | - Jordi Juncà
- Department of Hematology, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain
| | - Jordi Tor
- Department of Internal Medicine, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain
| | - Robert Muga
- Department of Internal Medicine, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain.
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Association between Alcohol Consumption, Folate Intake, and Risk of Pancreatic Cancer: A Case-Control Study. Nutrients 2017; 9:nu9050448. [PMID: 28468303 PMCID: PMC5452178 DOI: 10.3390/nu9050448] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Revised: 04/11/2017] [Accepted: 04/24/2017] [Indexed: 01/18/2023] Open
Abstract
Pancreatic cancer is one of the most fatal common cancers affecting both men and women, representing about 3% of all new cancer cases in the United States. In this study, we aimed to investigate the association of pancreatic cancer risk with alcohol consumption as well as folate intake. We performed a case-control study of 384 patients diagnosed with pancreatic cancer from May 2004 to December 2009 and 983 primary care healthy controls in a largely white population (>96%). Our findings showed no significant association between risk of pancreatic cancer and either overall alcohol consumption or type of alcohol consumed (drinks/day). Our study showed dietary folate intake had a modest effect size, but was significantly inversely associated with pancreatic cancer (odds ratio (OR) = 0.99, p < 0.0001). The current study supports the hypothesis that pancreatic cancer risk is reduced with higher food-based folate intake.
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Mason JB, Tang SY. Folate status and colorectal cancer risk: A 2016 update. Mol Aspects Med 2017; 53:73-79. [DOI: 10.1016/j.mam.2016.11.010] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Accepted: 11/23/2016] [Indexed: 12/14/2022]
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DNA methylation-based variation between human populations. Mol Genet Genomics 2016; 292:5-35. [PMID: 27815639 DOI: 10.1007/s00438-016-1264-2] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Accepted: 10/25/2016] [Indexed: 12/16/2022]
Abstract
Several studies have proved that DNA methylation affects regulation of gene expression and development. Epigenome-wide studies have reported variation in methylation patterns between populations, including Caucasians, non-Caucasians (Blacks), Hispanics, Arabs, and numerous populations of the African continent. Not only has DNA methylation differences shown to impact externally visible characteristics, but is also a potential biomarker for underlying racial health disparities between human populations. Ethnicity-related methylation differences set their mark during early embryonic development. Genetic variations, such as single-nucleotide polymorphisms and environmental factors, such as age, dietary folate, socioeconomic status, and smoking, impacts DNA methylation levels, which reciprocally impacts expression of phenotypes. Studies show that it is necessary to address these external influences when attempting to differentiate between populations since the relative impacts of these factors on the human methylome remain uncertain. The present review summarises several reported attempts to establish the contribution of differential DNA methylation to natural human variation, and shows that DNA methylation could represent new opportunities for risk stratification and prevention of several diseases amongst populations world-wide. Variation of methylation patterns between human populations is an exciting prospect which inspires further valuable research to apply the concept in routine medical and forensic casework. However, trans-generational inheritance needs to be quantified to decipher the proportion of variation contributed by DNA methylation. The future holds thorough evaluation of the epigenome to understand quantification, heritability, and the effect of DNA methylation on phenotypes. In addition, methylation profiling of the same ethnic groups across geographical locations will shed light on conserved methylation differences in populations.
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Interactions between lifestyle and MTHFR polymorphisms on homocysteine concentrations in young adults belonging to the 1982 Pelotas Birth Cohort. Eur J Clin Nutr 2016; 71:259-266. [PMID: 27759072 DOI: 10.1038/ejcn.2016.193] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 08/05/2016] [Accepted: 08/12/2016] [Indexed: 11/08/2022]
Abstract
BACKGROUND/OBJECTIVES Homocysteine (Hcy) is a key intermediate in methionine metabolism. A high plasma concentration of Hcy is an independent risk factor for cardiovascular diseases among other determinants. In this study, we aimed to investigate the interactions between methylenetetrahydrofolate reductase enzyme gene (MTHFR) polymorphisms and lifestyle variables (smoking, alcohol intake and physical activity) on Hcy concentrations in a young Brazilian population. SUBJECTS/METHODS The study population comprised 3803 individuals from the Pelotas Birth Cohort, aged 22-23 years. Allelic discrimination assays and chemiluminescence immunoassays were performed for genotyping and serum Hcy measurements, respectively. Linear regression models were used to explore the effect of gene-lifestyle interactions on Hcy concentrations. RESULTS Men carrying the MTHFR 677TT genotype, who were also smokers and drinkers (⩾15 g of alcohol per day), had the highest concentration of Hcy (P-value for the interaction <0.001 for smoking and 0.002 for alcohol intake). In contrast, high folate concentrations attenuated the effects of the MTHFR C677T genotype on serum Hcy concentrations (P-value for interaction <0.001). Also, among males, blood folate concentration was the only lifestyle variable able to modify the influence of MTHFR A1298C genotypes on Hcy concentrations (P-value for the interaction <0.001). There was no strong evidence of an interaction between the MTHFR genotypes and the lifestyle variables in women. CONCLUSIONS In summary, our study demonstrates a sex difference in Hcy concentrations among Brazilian young adults regarding MTHFR C677T-lifestyle interactions that are worsened under conditions of low blood folate. Identification of potentially modifiable factors related to an increase in homocysteine in young adults, especially in those who are genetically susceptible, is important to prevent negative health consequences in the future.
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Baroudi O, Benammar-Elgaaied A. Involvement of genetic factors and lifestyle on the occurrence of colorectal and gastric cancer. Crit Rev Oncol Hematol 2016; 107:72-81. [PMID: 27823653 DOI: 10.1016/j.critrevonc.2016.08.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Revised: 08/12/2016] [Accepted: 08/31/2016] [Indexed: 02/06/2023] Open
Abstract
Gastrointestinal cancers are diseases due to genetic and environmental factors. In this present work we are interested in the influence of environmental factors on the occurrence of gastrointestinal cancers in Tunisian population. We found that the MTHFR C677T polymorphism was associated with colorectal cancer (P<0.04) but not with gastric cancer. In addition, we have shown that alcohol is associated with an increased risk of colorectal cancer, but the consumption of cheese is protective. Furthermore, we studied tymidylate synthase gene involved in folate metabolism. Indeed, we observed that the 5'UTR repeat polymorphism, is associated with risk of colorectal cancer, and the LL genotype (3R/3R) was significantly frequent in patients with colorectal cancer compared to controls (p=0.002; OR=2.7, 95% CI=1.4-5.2). While we found that SL genotype (2R/3R) was associated with risk of gastric cancer (p=0.015; OR=4.46, 95% CI=1.08-19-64). This polymorphism was also shown to be a predictor of response to chemotherapy based 5'-fluorouracil. However, we are interested in studying the GPX -1 gene involved in phase I metabolism of xenobiotics. We therefore evaluated the risk of TT genotype in GPX-1 C599T polymorphism with the onset of gastric cancer (P=0.0001; OR=5.41, 95% CI 1.98 to 15.58) and colorectal cancer (P=0.00008; OR=4.40, 95% CI 1.93 to 10.27). To clarify the possible relationship between environmental factors and the occurrence of the disease, we studied the additive effect of risk genotype and behavior in order to highlight the interaction of gene-environment factors.
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Affiliation(s)
- Olfa Baroudi
- Laboratoire de Génétique Immunologie et Pathologie Humaine, Faculté des Sciences de Tunis, Université de Tunis EL MANAR, Tunisia.
| | - Amel Benammar-Elgaaied
- Laboratoire de Génétique Immunologie et Pathologie Humaine, Faculté des Sciences de Tunis, Université de Tunis EL MANAR, Tunisia
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Ding H, Gao QY, Chen HM, Fang JY. People with low serum folate levels have higher risk of colorectal adenoma/advanced colorectal adenoma occurrence and recurrence in China. J Int Med Res 2016; 44:767-78. [PMID: 27358263 PMCID: PMC5536616 DOI: 10.1177/0300060516650075] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2015] [Accepted: 04/25/2016] [Indexed: 12/20/2022] Open
Abstract
Objective To investigate the potential association between serum folate levels and colorectal adenoma (CRA) occurrence and recurrence. Methods This prospective study measured baseline serum folate levels in outpatients who were screened for CRA using colonoscopy. Participants were then randomly selected to produce one group with CRA and one without CRA. These two subgroups underwent further follow-up observations of colonoscopy to determine the occurrence of new and recurrent CRA. Results A total of 1310 participants were screened at baseline: 888 were healthy subjects without CRA; and 422 had CRA. Two subgroups were randomly selected (n = 200 per group) for follow-up. In the overall population, baseline serum folate levels were significantly lower in patients with CRA or advanced CRA (A-CRA) compared with healthy participants without CRA. Similar findings were shown for the follow-up study in terms of the association between CRA and A-CRA occurrence and recurrence and baseline serum folate levels. After controlling for confounders, increased serum folate was associated with a reduced risk of occurrence of CRA (odds ratio [OR] 0.993, 95% confidence interval [CI] 0.924, 1.066) and recurrence of CRA (OR 0.749, 95% CI 0.322, 1.742). Conclusions Higher serum folate levels may be protective against CRA and/or A-CRA.
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Affiliation(s)
- Hui Ding
- Division of Gastroenterology and Hepatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Institute of Digestive Disease, Shanghai, China
| | - Qin-Yan Gao
- Division of Gastroenterology and Hepatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Institute of Digestive Disease, Shanghai, China
| | - Hui-Min Chen
- Division of Gastroenterology and Hepatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Institute of Digestive Disease, Shanghai, China
| | - Jing-Yuan Fang
- Division of Gastroenterology and Hepatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Institute of Digestive Disease, Shanghai, China
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Schouten LJ, Deckers IAG, van den Brandt PA, Baldewijns MMLL, van Engeland M. Alcohol and Dietary Folate Intake and Promoter CpG Island Methylation in Clear-Cell Renal Cell Cancer. Nutr Cancer 2016; 68:1097-107. [PMID: 27340879 DOI: 10.1080/01635581.2016.1187283] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We investigated whether alcohol and dietary folate intakes were associated with promoter methylation in clear-cell renal cell carcinoma (ccRCC). The Netherlands Cohort Study with a case-cohort design included 120,852 subjects aged 55-69 yr in 1986. Diet was measured with a food-frequency questionnaire. After 20.3 yr of follow-up, paraffin-embedded tumor blocks were collected. Methylation-specific polymerase chain reaction (MSP) was used to analyze promoter methylation of 11 genes. ccRCC cases were classified into low (0-19% of the genes), intermediate (20-39%), and high (40%+) methylation. Multivariable Cox regression analyses were conducted, stratified according to methylation, including 3980 subcohort members and 297 ccRCC cases. Increasing alcohol intake was associated with decreased ccRCC risk, but was not statistically significant; multivariable adjusted hazard ratio (HR) for ≥30 g alcohol/day versus 0 g/day was 0.78 [95% confidence interval (CI): 0.48-1.24], and P-value for trend was 0.46. In strata according to methylation index, no significant heterogeneity was observed. Dietary folate intake was not associated with ccRCC risk. There was no significant heterogeneity between strata according to methylation index. There was no effect modification of alcohol and dietary folate intake on ccRCC risk, nor in strata according to methylation index. Our findings do not support the hypothesis that alcohol and dietary folate intakes are involved in ccRCC.
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Affiliation(s)
- Leo J Schouten
- a Department of Epidemiology , School for Oncology and Developmental Biology (GROW), Maastricht University Medical Centre , Maastricht , The Netherlands
| | - Ivette A G Deckers
- a Department of Epidemiology , School for Oncology and Developmental Biology (GROW), Maastricht University Medical Centre , Maastricht , The Netherlands
| | - Piet A van den Brandt
- a Department of Epidemiology , School for Oncology and Developmental Biology (GROW), Maastricht University Medical Centre , Maastricht , The Netherlands.,b Department of Epidemiology , School for Public Health and Primary Care (CAPHRI), Maastricht University Medical Centre , Maastricht , The Netherlands
| | | | - Manon van Engeland
- d Department of Pathology , School for Oncology and Developmental Biology (GROW), Maastricht University Medical Centre , Maastricht , The Netherlands
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Singer AW, Selvin S, Block G, Golden C, Carmichael SL, Metayer C. Maternal prenatal intake of one-carbon metabolism nutrients and risk of childhood leukemia. Cancer Causes Control 2016; 27:929-40. [PMID: 27294727 DOI: 10.1007/s10552-016-0773-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2016] [Accepted: 06/04/2016] [Indexed: 11/27/2022]
Abstract
PURPOSE Folate, vitamins B12 and B6, riboflavin, and methionine are critical nutrients for the one-carbon metabolism cycle involved in DNA synthesis and epigenetic processes. We examined the association between maternal intake of these nutrients before pregnancy and risk of childhood acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML) in a matched case-control study. METHODS Maternal dietary intake and vitamin supplement use in the year before pregnancy was assessed by food frequency questionnaire for 681 ALL cases, 103 AML cases, and 1076 controls. Principal component analysis was used to construct a variable representing combined nutrient intake, and conditional logistic regression estimated the odds ratio (OR) and 95% confidence interval (CI) for the association of ALL and AML with the principal component and each nutrient. RESULTS Higher maternal intake of one-carbon metabolism nutrients from food and supplements combined was associated with reduced risk of ALL (OR for one-unit change in the principal component = 0.91, CI 0.84-0.99) and possibly AML (OR for the principal component = 0.83, CI 0.66-1.04). When analyzed separately, intake of supplements high in these nutrients was associated with a reduced risk of ALL in children of Hispanic women only. CONCLUSIONS In conclusion, these data suggest that higher maternal intake of one-carbon metabolism nutrients may reduce risk of childhood leukemia.
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Affiliation(s)
- Amanda W Singer
- Division of Epidemiology, School of Public Health, University of California, Berkeley, 1995 University Avenue, Suite 460, Berkeley, CA, 94704, USA.
| | - Steve Selvin
- Division of Epidemiology, School of Public Health, University of California, Berkeley, 1995 University Avenue, Suite 460, Berkeley, CA, 94704, USA
| | - Gladys Block
- Division of Epidemiology, School of Public Health, University of California, Berkeley, 1995 University Avenue, Suite 460, Berkeley, CA, 94704, USA
| | | | - Suzan L Carmichael
- Division of Neonatology and Developmental Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Catherine Metayer
- Division of Epidemiology, School of Public Health, University of California, Berkeley, 1995 University Avenue, Suite 460, Berkeley, CA, 94704, USA
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Ma K, Cao B, Guo M. The detective, prognostic, and predictive value of DNA methylation in human esophageal squamous cell carcinoma. Clin Epigenetics 2016; 8:43. [PMID: 27110300 PMCID: PMC4840959 DOI: 10.1186/s13148-016-0210-9] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Accepted: 04/14/2016] [Indexed: 12/17/2022] Open
Abstract
Esophageal cancer is one of the most common malignancies in the world. Squamous cell carcinoma accounts for approximately 90 % of esophageal cancer cases. Genetic and epigenetic changes have been found to accumulate during the development of various cancers, including esophageal squamous carcinoma (ESCC). Tobacco smoking and alcohol consumption are two major risk factors for ESCC, and both tobacco and alcohol were found to induce methylation changes in ESCC. Growing evidence demonstrates that aberrant epigenetic changes play important roles in the multiple-step processes of carcinogenesis and tumor progression. DNA methylation may occur in the key components of cancer-related signaling pathways. Aberrant DNA methylation affects genes involved in cell cycle, DNA damage repair, Wnt, TGF-β, and NF-κB signaling pathways, including P16, MGMT, SFRP2, DACH1, and ZNF382. Certain genes methylated in precursor lesions of the esophagus demonstrate that DNA methylation may serve as esophageal cancer early detection marker, such as methylation of HIN1, TFPI-2, DACH1, and SOX17. CHFR methylation is a late stage event in ESCC and is a sensitive marker for taxanes in human ESCC. FHIT methylation is associated with poor prognosis in ESCC. Aberrant DNA methylation changes may serve as diagnostic, prognostic, and chemo-sensitive markers. Characterization of the DNA methylome in ESCC will help to better understand its mechanisms and develop improved therapies.
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Affiliation(s)
- Kai Ma
- />Department of Thoracic Surgery, the Affiliated Hospital of Qingdao University, Qingdao, China
| | - Baoping Cao
- />Department of Gastroenterology and Hepatology, Chinese PLA General Hospital, #28 Fuxing Road, Beijing, 100853 China
| | - Mingzhou Guo
- />Department of Gastroenterology and Hepatology, Chinese PLA General Hospital, #28 Fuxing Road, Beijing, 100853 China
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37
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Peng Q, Chen H, Huo JR. Alcohol consumption and corresponding factors: A novel perspective on the risk factors of esophageal cancer. Oncol Lett 2016; 11:3231-3239. [PMID: 27123096 DOI: 10.3892/ol.2016.4401] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Accepted: 02/25/2016] [Indexed: 12/17/2022] Open
Abstract
Esophageal cancer is the eighth most common type of cancer in the world, and the sixth most common cause of mortality from cancer. Alcohol consumption is the major risk factor for esophageal cancer, due to the worldwide prevalence and high carcinogenicity of the ethanol metabolite. In epidemiological studies, the efficiency of alcohol intake to enhance the risk of esophageal cancer is altered by daily ethanol consumption, type of alcoholic beverages ingested, time since quitting drinking, age of drinking initiation, differences in population and subtypes of esophageal cancer. Corresponding factors, including gene polymorphisms, tobacco smoking, oral microorganisms and folate deficiency, reveal a synergistic effect in concurrent alcohol users that may lead to an increased risk of developing esophageal cancer. Consequently, esophageal cancer prevention involves multiple aspects, including quitting drinking and smoking, maintaining an adequate oral health and ingesting adequate quantities of folate, particularly in genetically high-risk populations.
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Affiliation(s)
- Qiao Peng
- Department of Gastroenterology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, P.R. China
| | - Hui Chen
- Department of Gastroenterology, People's Hospital of Taizhou, Taizhou, Jiangsu 225300, P.R. China
| | - Ji-Rong Huo
- Department of Gastroenterology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, P.R. China
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Song MA, Brasky TM, Marian C, Weng DY, Taslim C, Llanos AA, Dumitrescu RG, Liu Z, Mason JB, Spear SL, Kallakury BVS, Freudenheim JL, Shields PG. Genetic variation in one-carbon metabolism in relation to genome-wide DNA methylation in breast tissue from heathy women. Carcinogenesis 2016; 37:471-480. [PMID: 26961134 DOI: 10.1093/carcin/bgw030] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Single nucleotide polymorphisms (SNPs) in one-carbon metabolism genes and lifestyle factors (alcohol drinking and breast folate) may be determinants of whole-genome methylation in the breast. DNA methylation profiling was performed using the Illumina Infinium HumanMethylation450 BeadChip in 81 normal breast tissues from women undergoing reduction mammoplasty and no history of cancer. ANCOVA, adjusting for age, race and BMI, was used to identify differentially-methylated (DM) CpGs. Gene expression, by the Affymetrix GeneChip Human Transcriptome Array 2.0, was correlated with DM. Biological networks of DM genes were assigned using Ingenuity Pathway Analysis. Fifty-seven CpG sites were DM in association with eight SNPs in FTHFD, MTHFD1, MTHFR, MTR, MTRR, and TYMS (P <5.0 x 10-5); 56% of the DM CpGs were associated with FTHFD SNPs, including DM within FTHFD. Gene expression was negatively correlated with FTHFD methylation (r=-0.25, P=0.017). Four DM CpGs identified by SNPs in MTRR, MTHFR, and FTHFD were significantly associated with alcohol consumption and/or breast folate. The top biological network of DM CpGs was associated with Energy Production, Molecular Transportation, and Nucleic Acid Metabolism. This is the first comprehensive study of the association between SNPs in one-carbon metabolism genes and genome-wide DNA methylation in normal breast tissues. These SNPs, especially FTHFD, as well as alcohol intake and folate exposure, appear to affect DM in breast tissues of healthy women. The finding that SNPs in FTHFD and MTR are associated with their own methylation is novel and highlights a role for these SNPs as cis-methylation quantitative trait loci.
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Affiliation(s)
- Min-Ae Song
- Comprehensive Cancer Center, The Ohio State University and James Cancer Hospital, Columbus, Ohio
| | - Theodore M Brasky
- Comprehensive Cancer Center, The Ohio State University and James Cancer Hospital, Columbus, Ohio
| | - Catalin Marian
- Comprehensive Cancer Center, The Ohio State University and James Cancer Hospital, Columbus, Ohio Biochemistry and Pharmacology Department, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Daniel Y Weng
- Comprehensive Cancer Center, The Ohio State University and James Cancer Hospital, Columbus, Ohio
| | - Cenny Taslim
- Comprehensive Cancer Center, The Ohio State University and James Cancer Hospital, Columbus, Ohio
| | - Adana A Llanos
- Department of Epidemiology, Rutgers School of Public Health and Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08903, USA
| | | | - Zhenua Liu
- Department of Nutrition; School of Public Health and Health Sciences; University of Massachusetts; Amherst, MA USA
| | - Joel B Mason
- U.S.D.A. Human Nutrition Research Center; Tufts University; Boston, MA USA
| | - Scott L Spear
- Department of Plastic Surgery; Georgetown University; Washington, DC USA
| | | | - Jo L Freudenheim
- Department of Epidemiology and Environmental Health; School of Public Health and Health Professions; University at Buffalo; Buffalo, NY USA
| | - Peter G Shields
- Comprehensive Cancer Center, The Ohio State University and James Cancer Hospital, Columbus, Ohio
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Polymorphisms of 5,10-methylenetetrahydrofolate reductase and thymidylate synthase, dietary folate intake, and the risk of leukemia in adults. Tumour Biol 2015; 37:3265-75. [PMID: 26438060 DOI: 10.1007/s13277-015-4168-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Accepted: 09/27/2015] [Indexed: 01/12/2023] Open
Abstract
The 5,10-methylenetetrahydrofolate reductase (MTHFR) and thymidylate synthase (TS) are critical enzymes in folate metabolism. Previous studies have reported conflicting results on the associations between MTHFR/TS polymorphisms and adult leukemia risk, which may due to the lack of information on folate intake. We investigated the risks of adult leukemia with genetic polymorphisms of folate metabolic enzymes (MTHFR C677T, A1298C, and TS) and evaluated if the associations varied by dietary folate intake from a multicenter case-control study conducted in Chinese. This study comprised 442 incident adult leukemia cases and 442 outpatient controls, individually matched to cases by gender, birth quinquennium, and study site. Genotypes were determined by a polymerase chain reaction (PCR) or PCR-based restriction fragment length polymorphism assay. Dietary folate intake was assessed by face-to-face interviews using a validated food-frequency questionnaire. The MTHFR 677TT genotype conferred a significant higher risk of leukemia in males than in females and exhibited an increased risk of acute myeloid leukemia (AML) but a decreased risk of acute lymphoblastic leukemia (ALL). The MTHFR 1298AC genotype appeared to decrease the risks of leukemia in both genders, in AML and ALL. Stratified analysis by dietary folate intake showed the increased risks of leukemia with the MTHFR 677TT and TS 2R3R/2R2R genotypes were only significant in individuals with low folate intake. A significant interaction between TS polymorphism and dietary folate intake was observed (P = 0.03). This study suggests that dietary folate intake and gender may modify the associations between MTHFR/TS polymorphisms and adult leukemia risk.
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40
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Increased synthesis of folate transporters regulates folate transport in conditions of ethanol exposure and folate deficiency. Mol Cell Biochem 2015; 411:151-60. [PMID: 26433955 DOI: 10.1007/s11010-015-2577-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Accepted: 09/26/2015] [Indexed: 01/31/2023]
Abstract
Excessive alcohol consumption and dietary folate inadequacy are the main contributors leading to folate deficiency (FD). The present study was planned to study regulation of folate transport in conditions of FD and ethanol exposure in human embryonic kidney cell line. Also, the reversible nature of effects mediated by ethanol exposure and FD was determined by folate repletion and ethanol removal. For ethanol treatment, HEK293 cells were grown in medium containing 100 mM ethanol, and after treatment, one group of cells was shifted on medium that was free from ethanol. For FD treatment, cells were grown in folate-deficient medium followed by shifting of one group of cells on folate containing medium. FD as well as ethanol exposure resulted in an increase in folate uptake which was due to an increase in expression of folate transporters, i.e., reduced folate carrier, proton-coupled folate transporter, and folate receptor, both at the mRNA and protein level. The effects mediated by ethanol exposure and FD were reversible on removal of treatment. Promoter region methylation of folate transporters remained unaffected after FD and ethanol exposure. As far as transcription rate of folate transporters is concerned, an increase in rate of synthesis was observed in both ethanol exposure and FD conditions. Additionally, mRNA life of folate transporters was observed to be reduced by FD. An increased expression of folate transporters under ethanol exposure and FD conditions can be attributed to enhanced rate of synthesis of folate transporters.
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41
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Cheng TYD, Makar KW, Neuhouser ML, Miller JW, Song X, Brown EC, Beresford SAA, Zheng Y, Poole EM, Galbraith RL, Duggan DJ, Habermann N, Bailey LB, Maneval DR, Caudill MA, Toriola AT, Green R, Ulrich CM. Folate-mediated one-carbon metabolism genes and interactions with nutritional factors on colorectal cancer risk: Women's Health Initiative Observational Study. Cancer 2015; 121:3684-91. [PMID: 26108676 DOI: 10.1002/cncr.29465] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Revised: 03/26/2015] [Accepted: 04/16/2015] [Indexed: 12/19/2022]
Abstract
BACKGROUND Investigations of folate-mediated one-carbon metabolism (FOCM) genes and gene-nutrient interactions with respect to colorectal cancer (CRC) risk are limited to candidate polymorphisms and dietary folate. This study comprehensively investigated associations between genetic variants in FOCM and CRC risk and whether the FOCM nutrient status modified these associations. METHODS Two hundred eighty-eight candidate and tagging single-nucleotide polymorphisms (SNPs) in 30 FOCM genes were genotyped for 821 incident CRC case-control matched pairs in the Women's Health Initiative Observational Study cohort. FOCM biomarkers (red blood cell [RBC] folate, plasma folate, pyridoxal-5'-phosphate [PLP], vitamin B12, and homocysteine) and self-reported alcohol consumption were measured at the baseline. Conditional logistic regression was implemented; effect modification was examined on the basis of known enzyme-nutrient relations. RESULTS Statistically significant associations were observed between CRC risk and functionally defined candidate SNPs of methylenetetrahydrofolate dehydrogenase 1 (MTHFD1; K134R), 5-methyltetrahydrofolate-homocysteine methyltransferase reductase (MTRR; P450R), and PR domain containing 2 with ZNF domain (PRDM2; S450N) and a literature candidate SNP of thymidylate synthase (TYMS; g.676789A>T; nominal P < .05). In addition, suggestive associations were noted for tagging SNPs in cystathionine-β-synthase (CBS), dihydrofolate reductase (DHFR), DNA (cytosine-5-)-methyltransferase 3β (DNMT3B), methionine adenosyltransferase I α (MAT1A), MTHFD1, and MTRR (nominal P < .05; adjusted P, not significant). Significant interactions between nutrient biomarkers and candidate polymorphisms were observed for 1) plasma/RBC folate and folate hydrolase 1 (FOLH1), paraoxonase 1 (PON1), transcobalamin II (TCN2), DNMT1, and DNMT3B; 2) plasma PLP and TYMS TS3; 3) plasma B12 and betaine-homocysteine S-methyltransferase 2 (BHMT2); and 4) homocysteine and methylenetetrahydrofolate reductase (MTHFR) and alanyl-transfer RNA synthetase (AARS). CONCLUSIONS Genetic variants in FOCM genes are associated with CRC risk among postmenopausal women. FOCM nutrients continue to emerge as effect modifiers of genetic influences on CRC risk.
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Affiliation(s)
- Ting-Yuan David Cheng
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington.,Department of Cancer Prevention and Control, Roswell Park Cancer Institute, Buffalo, New York
| | - Karen W Makar
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Marian L Neuhouser
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Joshua W Miller
- Department of Nutritional Sciences, Rutgers University, New Brunswick, New Jersey.,Department of Pathology and Laboratory Medicine, University of California Davis, Davis, California
| | - Xiaoling Song
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Elissa C Brown
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Shirley A A Beresford
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Yingye Zheng
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Elizabeth M Poole
- Department of Medicine, Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Rachel L Galbraith
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - David J Duggan
- Translational Genomics Research Institute, Phoenix, Arizona
| | - Nina Habermann
- Department of Preventive Oncology, National Center for Tumor Diseases and German Cancer Research Center, Heidelberg, Germany
| | - Lynn B Bailey
- Department of Foods and Nutrition, University of Georgia, Athens, Georgia
| | - David R Maneval
- Department of Food Science and Human Nutrition, University of Florida, Gainesville, Florida
| | - Marie A Caudill
- Division of Nutritional Sciences, Cornell University, Ithaca, New York
| | - Adetunji T Toriola
- Department of Surgery, Division of Public Health Sciences and Siteman Cancer Center, Washington University School of Medicine, St. Louis, Missouri
| | - Ralph Green
- Department of Pathology and Laboratory Medicine, University of California Davis, Davis, California
| | - Cornelia M Ulrich
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington.,Department of Preventive Oncology, National Center for Tumor Diseases and German Cancer Research Center, Heidelberg, Germany.,Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah
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42
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Zhuo X, Song J, Li D, Wu Y, Zhou Q. MTHFR C677T polymorphism interaction with heavy alcohol consumption increases head and neck carcinoma risk. Sci Rep 2015; 5:10671. [PMID: 26035704 PMCID: PMC4451849 DOI: 10.1038/srep10671] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Accepted: 04/22/2015] [Indexed: 12/19/2022] Open
Abstract
MTHFR C677T polymorphism has been indicated to be a risk factor for cancers, but its association with head and neck cancer (HNC) risk remains inconclusive. In the present study, we aimed to get a more precise estimation by performing a quantitative meta-analysis. Published papers up to Jun 2014 was searched and screened. Necessary information was rigorously extracted for data pooling and analyzing, and then, subgroup analyses on ethnicity, source of controls, sample size, tumor type, smoking and drinking status were also carried out. As a result, twenty-three case-control studies including 14298 subjects were included. The overall data failed to reveal a significant association between MTHFR C677T polymorphism and HNC risk (homozygote comparison model: OR = 1.16; 95%CI = 0.93-1.45; dominant model: OR = 1.05; 95%CI = 0.90-1.21; recessive model: OR = 1.14; 95%CI = 0.93-1.38). However, in the subgroup analysis about drinking status, increase risk was shown in the heavy drinking subgroup (TT vs CC: OR = 3.11; 95%CI = 1.52-3.02). In conclusion, the results of the present study suggest that Homozygous TT alleles of MTHFR C677T polymorphism might be a risk factor for HNC among individuals who have a heavy drinking history. Further studies are needed to get a more definitive conclusion.
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Affiliation(s)
- Xianlu Zhuo
- Department of Radiation Oncology, Chongqing Cancer Institute, Chongqing, China
| | - Jue Song
- Physical Examination Center, Affiliated Hospital of Guiyang Medical College, Guizhou, China
| | - Dairong Li
- Department of Medical Oncology, Chongqing Cancer Institute, Chongqing, China
| | - Yongzhong Wu
- Department of Radiation Oncology, Chongqing Cancer Institute, Chongqing, China
| | - Qi Zhou
- Department of Gynecologic Oncology, Chongqing Cancer Institute, Chongqing, China
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43
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Liu Y, Chen H, Sun Z, Chen X. Molecular mechanisms of ethanol-associated oro-esophageal squamous cell carcinoma. Cancer Lett 2015; 361:164-73. [PMID: 25766659 DOI: 10.1016/j.canlet.2015.03.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Revised: 03/04/2015] [Accepted: 03/04/2015] [Indexed: 02/06/2023]
Abstract
Alcohol drinking is a major etiological factor of oro-esophageal squamous cell carcinoma (OESCC). Both local and systemic effects of ethanol may promote carcinogenesis, especially among chronic alcoholics. However, molecular mechanisms of ethanol-associated OESCC are still not well understood. In this review, we summarize current understandings and propose three mechanisms of ethanol-associated OESCC: (1) Disturbance of systemic metabolism of nutrients: during ethanol metabolism in the liver, systemic metabolism of retinoids, zinc, iron and methyl groups is altered. These nutrients are known to be associated with the development of OESCC. (2) Disturbance of redox metabolism in squamous epithelial cells: when ethanol is metabolized in oro-esophageal squamous epithelial cells, reactive oxygen species are generated and produce oxidative damage. Meanwhile, ethanol may also disturb fatty-acid metabolism in these cells. (3) Disturbance of signaling pathways in squamous epithelial cells: due to its physico-chemical properties, ethanol changes cell membrane fluidity and shape, and may thus impact multiple signaling pathways. Advanced molecular techniques in genomics, epigenomics, metabolomics and microbiomics will help us elucidate how ethanol promotes OESCC.
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Affiliation(s)
- Yao Liu
- Department of Oral Medicine, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China; Cancer Research Program, JLC-BBRI, North Carolina Central University, Durham, NC 27707, USA
| | - Hao Chen
- Cancer Research Program, JLC-BBRI, North Carolina Central University, Durham, NC 27707, USA
| | - Zheng Sun
- Department of Oral Medicine, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China.
| | - Xiaoxin Chen
- Cancer Research Program, JLC-BBRI, North Carolina Central University, Durham, NC 27707, USA.
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Muralidharan P, Sarmah S, Marrs JA. Zebrafish retinal defects induced by ethanol exposure are rescued by retinoic acid and folic acid supplement. Alcohol 2015; 49:149-63. [PMID: 25541501 DOI: 10.1016/j.alcohol.2014.11.001] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Revised: 11/01/2014] [Accepted: 11/12/2014] [Indexed: 12/13/2022]
Abstract
Fetal Alcohol Spectrum Disorder (FASD) is caused by prenatal alcohol exposure, producing craniofacial, sensory, motor, and cognitive defects. FASD is highly prevalent in low socioeconomic populations, which are frequently accompanied by malnutrition. FASD-associated ocular pathologies include microphthalmia, optic nerve hypoplasia, and cataracts. The present study characterizes specific retinal tissue defects, identifies ethanol-sensitive stages during retinal development, and dissects the effect of nutrient supplements, such as retinoic acid (RA) and folic acid (FA) on ethanol-induced retinal defects. Exposure to pathophysiological concentrations of ethanol (during midblastula transition through somitogenesis; 2-24 h post fertilization [hpf]) altered critical transcription factor expression involved in retinal cell differentiation, and produced severe retinal ganglion cell, photoreceptor, and Müller glial differentiation defects. Ethanol exposure did not alter retinal cell differentiation induction, but increased retinal cell death and proliferation. RA and FA nutrient co-supplementation rescued retinal photoreceptor and ganglion cell differentiation defects. Ethanol exposure during retinal morphogenesis stages (16-24 hpf) produced retinal defects like those seen with ethanol exposure between 2 and 24 hpf. Significantly, during an ethanol-sensitive time window (16-24 hpf), RA co-supplementation moderately rescued these defects, whereas FA co-supplementation showed significant rescue of optic nerve and photoreceptor differentiation defects. Interestingly, RA, but not FA, supplementation after ethanol exposure could reverse ethanol-induced optic nerve and photoreceptor differentiation defects. Our results indicate that various ethanol-sensitive events underlie FASD-associated retinal defects. Nutrient supplements like retinoids and folate were effective in alleviating ethanol-induced retinal defects.
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Affiliation(s)
- Pooja Muralidharan
- Department of Biology, Indiana University - Purdue University Indianapolis, Indianapolis, IN 46202, USA
| | - Swapnalee Sarmah
- Department of Biology, Indiana University - Purdue University Indianapolis, Indianapolis, IN 46202, USA
| | - James A Marrs
- Department of Biology, Indiana University - Purdue University Indianapolis, Indianapolis, IN 46202, USA.
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45
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Kader F, Ghai M. DNA methylation and application in forensic sciences. Forensic Sci Int 2015; 249:255-65. [PMID: 25732744 DOI: 10.1016/j.forsciint.2015.01.037] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Revised: 01/22/2015] [Accepted: 01/29/2015] [Indexed: 12/26/2022]
Abstract
DNA methylation of cytosine residues is a stable epigenetic alteration, beginning as early as foetal development in the uterus and continuously evolving throughout life. DNA methylation as well as other epigenetic modifications such as chromatin remodelling and histone modifications are indispensable in mammalian development. Methylation is to a large extent influenced by the ageing process, diets and lifestyle choices. Our understanding of this crucial modification may even contribute to the treatment and prevention of age-related illnesses in the very near future. Genome-wide methylation analysis using high throughput DNA technologies has discovered numerous differentially methylated regions (tDMRs) which differ in levels of methylation in various cell types and tissues. TDMRs have been useful in various applications, particularly medicine and forensic sciences. Forensic scientists are constantly seeking exciting and novel methods to aid in the reconstruction of crime scenes, and the analysis of tDMRs represents a new and reliable technique to identify biological fluids and tissues found at the scene of a violent act. Not only has research been able to unequivocally identify various fluids and tissues, but methods to determine the sex, age and phenotype of donors has been developed. New tDMRs in genes are being searched for consistently to serve as novel markers in forensic DNA analysis.
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Affiliation(s)
- Farzeen Kader
- Department of Genetics, School of Life Sciences, University of KwaZulu Natal - Westville Campus, Private Bag X 54001, Durban, KwaZulu Natal, South Africa.
| | - Meenu Ghai
- Department of Genetics, School of Life Sciences, University of KwaZulu Natal - Westville Campus, Private Bag X 54001, Durban, KwaZulu Natal, South Africa.
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Morita M, Yin G, Yoshimitsu SI, Ohnaka K, Toyomura K, Kono S, Ueki T, Tanaka M, Kakeji Y, Maehara Y, Okamura T, Ikejiri K, Futami K, Maekawa T, Yasunami Y, Takenaka K, Ichimiya H, Terasaka R. Folate-related nutrients, genetic polymorphisms, and colorectal cancer risk: the fukuoka colorectal cancer study. Asian Pac J Cancer Prev 2015; 14:6249-56. [PMID: 24377513 DOI: 10.7314/apjcp.2013.14.11.6249] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
One-carbon metabolism plays an important role in colorectal carcinogenesis. Meta-analyses have suggested protective associations of folate and vitamin B6 intakes with colorectal cancer primarily based on studies in Caucasians, and genetic polymorphisms pertaining to the folate metabolism have been a matter of interest. Less investigated are the roles of methionine synthase (MTR) and thymidylate synthetase (TS) polymorphisms in colorectal carcinogenesis. In a study of 816 cases and 815 community controls in Japan, we investigated associations of dietary intakes of folate, methionine, vitamin B2, vitamin B6, and vitamin B12 with colorectal cancer risk. The associations with MTR 2756A>G, MTRR 66A>G, and TSER repeat polymorphism were examined in 685 cases and 778 controls. Methionine and vitamin B12 intakes were inversely associated with colorectal cancer risk, but the associations were totally confounded by dietary calcium and n-3 fatty acids. The other nutrients showed no association with the risk even without adjustment for calcium and n-3 fatty acids. The TSER 2R allele was dose-dependently associated with an increased risk. The MTR and MTRR polymorphisms were unrelated to colorectal cancer risk. There was no measurable gene-gene or gene-nutrient interaction, but increased risk associated with the TSER 2R allele seemed to be confined to individuals with high folate status. This study does not support protective associations for folate and vitamin B6. The TSER 2R allele may confer an increased risk of colorectal cancer. The role of the TSER polymorphism in colorectal carcinogenesis may differ by ethnicity.
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Affiliation(s)
- Makiko Morita
- Department of Preventive Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan E-mail :
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A snapshot of the hepatic transcriptome: ad libitum alcohol intake suppresses expression of cholesterol synthesis genes in alcohol-preferring (P) rats. PLoS One 2014; 9:e110501. [PMID: 25542004 PMCID: PMC4277277 DOI: 10.1371/journal.pone.0110501] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Accepted: 09/15/2014] [Indexed: 12/15/2022] Open
Abstract
Research is uncovering the genetic and biochemical effects of consuming large quantities of alcohol. One prime example is the J- or U-shaped relationship between the levels of alcohol consumption and the risk of atherosclerotic cardiovascular disease. Moderate alcohol consumption in humans (about 30 g ethanol/d) is associated with reduced risk of coronary heart disease, while abstinence and heavier alcohol intake is linked to increased risk. However, the hepatic consequences of moderate alcohol drinking are largely unknown. Previous data from alcohol-preferring (P) rats showed that chronic consumption does not produce significant hepatic steatosis in this well-established model. Therefore, free-choice alcohol drinking in P rats may mimic low risk or nonhazardous drinking in humans, and chronic exposure in P animals can illuminate the molecular underpinnings of free-choice drinking in the liver. To address this gap, we captured the global, steady-state liver transcriptome following a 23 week free-choice, moderate alcohol consumption regimen (∼ 7.43 g ethanol/kg/day) in inbred alcohol-preferring (iP10a) rats. Chronic consumption led to down-regulation of nine genes in the cholesterol biosynthesis pathway, including HMG-CoA reductase, the rate-limiting step for cholesterol synthesis. These findings corroborate our phenotypic analyses, which indicate that this paradigm produced animals whose hepatic triglyceride levels, cholesterol levels and liver histology were indistinguishable from controls. These findings explain, at least in part, the J- or U-shaped relationship between cardiovascular risk and alcohol intake, and provide outstanding candidates for future studies aimed at understanding the mechanisms that underlie the salutary cardiovascular benefits of chronic low risk and nonhazardous alcohol intake.
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Caspers Conway KM, Romitti PA, Holmes L, Olney RS, Richardson SD. Maternal periconceptional alcohol consumption and congenital limb deficiencies. BIRTH DEFECTS RESEARCH. PART A, CLINICAL AND MOLECULAR TERATOLOGY 2014; 100:863-76. [PMID: 25132072 PMCID: PMC4427046 DOI: 10.1002/bdra.23292] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Revised: 07/07/2014] [Accepted: 07/10/2014] [Indexed: 11/08/2022]
Abstract
BACKGROUND Women of childbearing age report high rates of alcohol consumption, which may result in alcohol exposure during early pregnancy. Epidemiological research on congenital limb deficiencies (LDs) and periconceptional exposure to alcohol is inconclusive. METHODS Data from the National Birth Defects Prevention Study (NBDPS) were examined for associations between LDs and patterns of maternal periconceptional (1 month before conception through the first trimester) alcohol consumption among LD case (n = 906) and unaffected control (n = 8352) pregnancies with expected delivery dates from 10/1997 through 12/2007. Adjusted odds ratios (aORs) and 95% confidence intervals were estimated from unconditional logistic regression analysis for all LDs combined, specific LD subtypes (preaxial/terminal transverse), and LD anatomic groups (upper/lower limbs); interactions with folic acid (FA) supplementation were tested. RESULTS When compared with nondrinkers, inverse associations were found between all LDs combined, preaxial, and upper LDs and any reported periconceptional alcohol consumption (aORs ranged from 0.56-0.83), drinking without binging (aORs: 0.53-0.75), and binge drinking (≥4 drinks/occasion) (aORs: 0.64-0.94); however, none of the binge drinking aORs were statistically significant. Stratification by alcohol type showed inverse associations between all LDs combined, preaxial, transverse, and upper and lower LDs for drinking without binging of wine only (aORs: 0.39-0.67) and between all LDs combined and upper LDs for drinking without binging of combinations of alcohol (aORs: 0.63-0.87). FA did not modify observed associations. CONCLUSION Maternal periconceptional alcohol consumption did not emerge as a teratogen for selected LDs in the NBDPS. Future studies should evaluate additional rare LDs among more highly exposed populations.
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Affiliation(s)
| | - Paul A. Romitti
- Department of Epidemiology, College of Public Health, The University of Iowa, Iowa City, Iowa
| | - Lewis Holmes
- Genetics and Teratology Unit, Massachusetts General Hospital, Boston, Massachusetts
| | - Richard S. Olney
- National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Sandra D. Richardson
- Congenital Malformations Registry, Bureau of Environmental and Occupational Epidemiology, New York State Department of Health, Albany, New York
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Llanos AA, Dumitrescu RG, Brasky TM, Liu Z, Mason JB, Marian C, Makambi KH, Spear SL, Kallakury BVS, Freudenheim JL, Shields PG. Relationships among folate, alcohol consumption, gene variants in one-carbon metabolism and p16INK4a methylation and expression in healthy breast tissues. Carcinogenesis 2014; 36:60-7. [PMID: 25344837 DOI: 10.1093/carcin/bgu219] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
p16(INK4a) is a tumor suppressor gene, frequently hypermethylated in breast cancer; this epigenetic silencing of p16(INK4a) occurs early in carcinogenesis. The risk factors and functional consequences of p16(INK4a) methylation are unknown. Alcohol consumption, a breast cancer risk factor, impedes folate metabolism and may thereby alter gene methylation since folate plays a pivotal role in DNA methylation. In a cross-sectional study of 138 women with no history of breast cancer who underwent reduction mammoplasty, we studied breast cancer risk factors, plasma and breast folate concentrations, variation in one-carbon metabolism genes, p16(INK4a) promoter methylation and P16 protein expression. Logistic regression was used to estimate multivariable-adjusted odds ratios (OR) and 95% confidence intervals (CI). p16(INK4a) methylation was negatively correlated with P16 expression (r = -0.28; P = 0.002). Alcohol consumption was associated with lower breast folate (P = 0.03), higher p16(INK4a) promoter methylation (P = 0.007) and less P16 expression (P = 0.002). Higher breast folate concentrations were associated with lower p16(INK4a) promoter methylation (P = 0.06). Genetic variation in MTRR (rs1801394) and MTHFD1 (rs1950902) was associated with higher p16 (INK4a) promoter methylation (OR = 2.66, 95% CI: 1.11-6.42 and OR = 2.72, 95% CI: 1.12-6.66, respectively), whereas variation in TYMS (rs502396) was associated with less P16 protein expression (OR = 0.22, 95% CI: 0.05-0.99). Given that this is the first study to indicate that alcohol consumption, breast folate and variation in one-carbon metabolism genes are associated with p16(INK4a) promoter methylation and P16 protein expression in healthy tissues; these findings require replication.
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Affiliation(s)
- Adana A Llanos
- Division of Population Sciences, The Ohio State University Comprehensive Cancer Center, Columbus, OH 43201, USA, Department of Epidemiology, RBHS-School of Public Health and Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, NJ 08903, USA
| | - Ramona G Dumitrescu
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC 20057, USA, Department of Medical Genetics and Epidemiology, Basic Sciences Program, Saba University School of Medicine, Saba, Dutch Caribbean, The Netherlands
| | - Theodore M Brasky
- Division of Cancer Prevention and Control, College of Medicine, The Ohio State University, Columbus, OH 43210, USA
| | - Zhenhua Liu
- Human Nutrition Research Center, Tufts University, Boston, MA 02111, USA, Department of Nutrition, School of Public Health and Health Sciences, University of Massachusetts, Amherst, MA 01003, USA
| | - Joel B Mason
- Human Nutrition Research Center, Tufts University, Boston, MA 02111, USA
| | - Catalin Marian
- Division of Cancer Prevention and Control, College of Medicine, The Ohio State University, Columbus, OH 43210, USA, Department of Biochemistry and Pharmacology, University of Medicine and Pharmacy Timisoara, Timisoara, Romania
| | - Kepher H Makambi
- Department of Biostatistics, Bioinformatics and Biomathematics, Georgetown University, Washington, DC 20057, USA
| | - Scott L Spear
- Department of Plastic Surgery, Georgetown University, Washington, DC 20057, USA
| | | | - Jo L Freudenheim
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY 14214, USA
| | - Peter G Shields
- Division of Cancer Prevention and Control, College of Medicine, The Ohio State University, Columbus, OH 43210, USA,
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50
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Galeone C, Edefonti V, Parpinel M, Leoncini E, Matsuo K, Talamini R, Olshan AF, Zevallos JP, Winn DM, Jayaprakash V, Moysich K, Zhang ZF, Morgenstern H, Levi F, Bosetti C, Kelsey K, McClean M, Schantz S, Yu GP, Boffetta P, Lee YCA, Hashibe M, La Vecchia C, Boccia S. Folate intake and the risk of oral cavity and pharyngeal cancer: a pooled analysis within the International Head and Neck Cancer Epidemiology Consortium. Int J Cancer 2014; 136:904-14. [PMID: 24974959 DOI: 10.1002/ijc.29044] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Accepted: 05/20/2014] [Indexed: 02/01/2023]
Abstract
There are suggestions of an inverse association between folate intake and serum folate levels and the risk of oral cavity and pharyngeal cancers (OPCs), but most studies are limited in sample size, with only few reporting information on the source of dietary folate. Our study aims to investigate the association between folate intake and the risk of OPC within the International Head and Neck Cancer Epidemiology (INHANCE) Consortium. We analyzed pooled individual-level data from ten case-control studies participating in the INHANCE consortium, including 5,127 cases and 13,249 controls. Odds ratios (ORs) and the corresponding 95% confidence intervals (CIs) were estimated for the associations between total folate intake (natural, fortification and supplementation) and natural folate only, and OPC risk. We found an inverse association between total folate intake and overall OPC risk (the adjusted OR for the highest vs. the lowest quintile was 0.65, 95% CI: 0.43-0.99), with a stronger association for oral cavity (OR = 0.57, 95% CI: 0.43-0.75). A similar inverse association, though somewhat weaker, was observed for folate intake from natural sources only in oral cavity cancer (OR = 0.64, 95% CI: 0.45-0.91). The highest OPC risk was observed in heavy alcohol drinkers with low folate intake as compared to never/light drinkers with high folate (OR = 4.05, 95% CI: 3.43-4.79); the attributable proportion (AP) owing to interaction was 11.1% (95% CI: 1.4-20.8%). Lastly, we reported an OR of 2.73 (95% CI:2.34-3.19) for those ever tobacco users with low folate intake, compared with nevere tobacco users and high folate intake (AP of interaction =10.6%, 95% CI: 0.41-20.8%). Our project of a large pool of case-control studies supports a protective effect of total folate intake on OPC risk.
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Affiliation(s)
- Carlotta Galeone
- Department of Epidemiology, IRCCS-Istituto di Ricerche Farmacologiche Mario Negri, Milan, Italy
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