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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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Aslanov H, Bayramov B, Reissfelder C, Abdullayeva S, Mammadova Z, Aliyev F, Keese M, Hajibabazade J, Yagublu V. MTHFR Gene C677T Polymorphism (rs1801133) and Susceptibility to Colorectal Polyps in an Azerbaijani Population. J Clin Med 2023; 13:219. [PMID: 38202226 PMCID: PMC10779477 DOI: 10.3390/jcm13010219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 12/26/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
BACKGROUND Understanding the relationships between the methylenetetrahydrofolate reductase (MTHFR) gene polymorphism, colorectal polyps, and CRC risk can aid in advancing personalized medicine approaches in CRC prevention. The aim of the current study is to identify the association of C677T polymorphism of the MTHFR gene with the risk of colorectal polyps in the Azerbaijani population. METHODS This study included 125 patients with colon polyps and 155 healthy individuals as a control group. DNA was extracted from venous blood samples obtained from patients and healthy individuals, and the results were analyzed through polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and agarose gel electrophoresis. RESULTS Wild-type, heterozygote, and homozygous mutant were revealed within 69 (55.2%), 49 (39.2%), and 7 (5.6%) patients and within 100 (64.5%), 45 (29%), and 10 (6.5%) healthy controls, respectively. However, no significant statistical associations were observed between CT and TT genotypes, dominant (CC vs. CT + TT) and recessive (CC + CT vs. TT) models, and the mutant T allele and disease risk. There were also no significant differences between patients and controls regarding age, sex, smoking and alcohol use. CONCLUSION Our research did not reveal any significant association between the MTHFR C677T polymorphism and susceptibility to colorectal polyps in the Azerbaijan population.
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Affiliation(s)
- Hazi Aslanov
- Department of Surgery, Scientific Center of Surgery after academician M.A.Topchubashov, Baku AZ1122, Azerbaijan;
| | - Bayram Bayramov
- Laboratory of Human Genetics, Genetic Resources Institute of Ministry of Science and Education, Baku AZ1106, Azerbaijan; (B.B.); (Z.M.)
- Department of Natural Sciences, Western Caspian University, Baku AZ1001, Azerbaijan
| | - Christoph Reissfelder
- Department of Surgery, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany;
| | - Shams Abdullayeva
- Department of Neurology, Westpfalz-Klinikum, 67655 Kaiserslautern, Germany;
| | - Zeynab Mammadova
- Laboratory of Human Genetics, Genetic Resources Institute of Ministry of Science and Education, Baku AZ1106, Azerbaijan; (B.B.); (Z.M.)
| | - Fikrat Aliyev
- Department of Pathomorphology, Scientific Center of Surgery after academician M.A.Topchubashov, Baku AZ1122, Azerbaijan;
| | - Michael Keese
- Department of Vascular Surgery, Theresienkrankenhaus, 68165 Mannheim, Germany;
| | - Javahir Hajibabazade
- Carver College of Medicine, University of Iowa, Bowen Science Building, 51 Newton, Road, Iowa City, IA 52242-1009, USA
| | - Vugar Yagublu
- Department of Surgery, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany;
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Murphy CC, Cirillo PM, Krigbaum NY, Singal AG, Jones DP, Zaki T, Cohn BA. In-utero exposure to antibiotics and risk of colorectal cancer in a prospective cohort of 18 000 adult offspring. Int J Epidemiol 2023; 52:1448-1458. [PMID: 36692207 PMCID: PMC10555902 DOI: 10.1093/ije/dyad004] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 01/10/2023] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND Incidence rates of colorectal cancer (CRC) are increasing among younger adults and in mid-life, implicating exposures in early life as risk factors. We examined the association between in-utero exposure to antibiotics and risk of CRC in adult offspring. METHODS The Child Health and Development Studies is a prospective cohort of women receiving prenatal care between 1959 and 1966 in Oakland, California, with deliveries through June 1967. Diagnosed conditions and all prescribed medications were abstracted from mothers' medical records beginning 6 months prior to pregnancy through delivery. We identified mothers who received antibiotics in pregnancy, including penicillins, tetracyclines, short-acting sulfonamides and long-acting sulfonamides. Diagnoses of CRC in adult (age ≥18 years) offspring were ascertained through 2021 by linkage with the California Cancer Registry. Cox proportional models were used to estimate adjusted hazard ratios (aHR), with follow-up accrued from birth through cancer diagnosis, death or last contact. RESULTS Of 18 751 liveborn offspring, about 15% (n = 2635) were exposed in utero to antibiotics: 5.4% (n = 1016) to tetracyclines, 4.9% (n = 918) to penicillins, 4.2% (n = 785) to short-acting sulfonamides and 1.5% (n = 273) to long-acting sulfonamides. Compared with offspring not exposed, associations between in-utero exposure and CRC in adult offspring were: aHR 1.03 (95% CI 0.32, 3.31) for tetracyclines; aHR 1.12 (95% CI 0.35, 3.58) for penicillins; aHR 0.83 (95% CI 0.20, 3.42) for short-acting sulfonamides; and aHR 4.40 (95% CI 1.63, 11.88) for long-acting sulfonamides. CONCLUSION Our findings support an association between in-utero exposure to long-acting sulfonamides and CRC in adulthood.
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Affiliation(s)
- Caitlin C Murphy
- Department of Health Promotion and Behavioral Sciences, University of Texas Health Science Center at Houston (UTHealth Houston), School of Public Health, Houston, TX, USA
| | - Piera M Cirillo
- Child Health and Development Studies, Public Health Institute, Berkeley, CA, USA
| | - Nickilou Y Krigbaum
- Child Health and Development Studies, Public Health Institute, Berkeley, CA, USA
| | - Amit G Singal
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Dean P Jones
- Departments of Medicine and Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Timothy Zaki
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Barbara A Cohn
- Child Health and Development Studies, Public Health Institute, Berkeley, CA, USA
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Lawler T, Su T, Cai Q, Steinwandel MD, Zheng W, Andersen SW. Associations between Folate and Alcohol Consumption with Colorectal Tumor Ki67 Expression in the Southern Community Cohort Study. Nutr Cancer 2023; 75:1211-1222. [PMID: 36908193 PMCID: PMC10228244 DOI: 10.1080/01635581.2023.2186264] [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: 09/22/2022] [Revised: 02/22/2023] [Accepted: 02/26/2023] [Indexed: 03/14/2023]
Abstract
Folate is hypothesized to accelerate cell proliferation in colorectal cancer (CRC) by supporting DNA synthesis, while alcohol is also linked to gastrointestinal epithelial proliferation, despite biological antagonism of folate. We report associations between folate and alcohol consumption with the proliferation marker Ki67 in CRC tumors from the Southern Community Cohort Study. Tumor samples were obtained from formalin-fixed paraffin-embedded tissue blocks. The percentage of cells expressing Ki67 was measured immunohistochemically. Exposures were assessed via questionnaire pre-diagnosis. Associations were assessed via linear regression. In 248 cases (40-78 years), neither dietary folate, folic acid supplements, nor total folate intake were associated with Ki67. Folic acid supplement use was associated with Ki67 in distal/rectal tumors (β [95% confidence interval]: 7.5 [1.2-13.8], p = .02) but not proximal tumors (-1.4 [-7.1-4.3], p=.62). A positive trend for total folate was observed for distal/rectal tumors (1.6 [0.0-3.3] per 200 μcg, p-trend=.05). Heavy drinking (women: ≥1 drink/day, men: ≥2 drinks/day) was associated with higher Ki67 (6.4 [1.0-11.9], vs. nondrinkers, p=.02), especially for distal/rectal tumors (10.4 [1.6-19.1], p=.02). Negative interaction between alcohol, total folate was observed for distal/rectal tumors (p-interaction=.06). Modest associations between folate, alcohol consumption and distal/rectal tumor Ki67 expression suggest accelerated proliferation, consistent with folate's role in DNA synthesis.
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Affiliation(s)
- Thomas Lawler
- Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI, USA
| | - Timothy Su
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Qiuyin Cai
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Mark D Steinwandel
- International Epidemiology Field Station, Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Wei Zheng
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Shaneda Warren Andersen
- Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI, USA
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, TN, USA
- School of Medicine and Public Health, Department of Population Health Sciences, University of Wisconsin-Madison, Madison, WI, USA
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5
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Fu H, He J, Li C, Deng Z, Chang H. Folate intake and risk of colorectal cancer: a systematic review and up-to-date meta-analysis of prospective studies. Eur J Cancer Prev 2023; 32:103-112. [PMID: 35579178 DOI: 10.1097/cej.0000000000000744] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
PURPOSE Colorectal cancer is one of the most commonly diagnosed and deadly cancers worldwide. Epidemiological studies on the relationship between folate intake and the risk of colorectal cancer have reported inconsistent findings since folate fortification in the USA. For this situation, we conducted a large number of data analyses to study the relationship between folate intake and colorectal cancer risk. METHODS PubMed and EMBASE databases were used to search the literature systematically. Eligible studies were reviewed and meta-analyzed to assess the relationship. RESULTS A total of 24 cohort studies involving 37 280 patients and 6 165 894 individuals were included. The results showed that high folate intake was associated with a reduced risk of colorectal cancer. The combined relative risk (RR) for the highest intake compared with the lowest was 0.88 [95% confidence interval (CI), 0.83-0.92, P = 10 -4 ). Further studies indicated that the increase of folate intake may decrease the risk of colorectal cancer in people with medium or high alcohol consumption (RR = 0.97, 95% CI: 0.96-0.99, P = 0.008; RR = 0.95, 95% CI: 0.92-0.98, P = 0.003), but not in non-drinkers (RR = 1.00, 95% CI: 0.98-1.02, P = 0.827). Next, high folate intake may decrease the risk of colon cancer (RR = 0.86, 95% CI: 0.81-0.92, P = 10 -4 ) but not rectal cancer (RR = 0.92, 95% CI: 0.84-1.02, P = 0.112). Additionally, the result that high folate intake may decrease the risk of colorectal cancer was observed in the USA and Europe but not in other regions. CONCLUSION High folate intake may be protective against colon cancer, particularly in people with middle or high alcohol consumption, but it still needs to be further confirmed.
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Affiliation(s)
- Hongjuan Fu
- College of Food Science, Southwest University, Chongqing, China
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6
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Haas CB, Su YR, Petersen P, Wang X, Bien SA, Lin Y, Albanes D, Weinstein SJ, Jenkins MA, Figueiredo JC, Newcomb PA, Casey G, Le Marchand L, Campbell PT, Moreno V, Potter JD, Sakoda LC, Slattery ML, Chan AT, Li L, Giles GG, Milne RL, Gruber SB, Rennert G, Woods MO, Gallinger SJ, Berndt S, Hayes RB, Huang WY, Wolk A, White E, Nan H, Nassir R, Lindor NM, Lewinger JP, Kim AE, Conti D, Gauderman WJ, Buchanan DD, Peters U, Hsu L. Interactions between folate intake and genetic predictors of gene expression levels associated with colorectal cancer risk. Sci Rep 2022; 12:18852. [PMID: 36344807 PMCID: PMC9640550 DOI: 10.1038/s41598-022-23451-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 10/31/2022] [Indexed: 11/09/2022] Open
Abstract
Observational studies have shown higher folate consumption to be associated with lower risk of colorectal cancer (CRC). Understanding whether and how genetic risk factors interact with folate could further elucidate the underlying mechanism. Aggregating functionally relevant genetic variants in set-based variant testing has higher power to detect gene-environment (G × E) interactions and may provide information on the underlying biological pathway. We investigated interactions between folate consumption and predicted gene expression on colorectal cancer risk across the genome. We used variant weights from the PrediXcan models of colon tissue-specific gene expression as a priori variant information for a set-based G × E approach. We harmonized total folate intake (mcg/day) based on dietary intake and supplemental use across cohort and case-control studies and calculated sex and study specific quantiles. Analyses were performed using a mixed effects score tests for interactions between folate and genetically predicted expression of 4839 genes with available genetically predicted expression. We pooled results across 23 studies for a total of 13,498 cases with colorectal tumors and 13,918 controls of European ancestry. We used a false discovery rate of 0.2 to identify genes with suggestive evidence of an interaction. We found suggestive evidence of interaction with folate intake on CRC risk for genes including glutathione S-Transferase Alpha 1 (GSTA1; p = 4.3E-4), Tonsuko Like, DNA Repair Protein (TONSL; p = 4.3E-4), and Aspartylglucosaminidase (AGA: p = 4.5E-4). We identified three genes involved in preventing or repairing DNA damage that may interact with folate consumption to alter CRC risk. Glutathione is an antioxidant, preventing cellular damage and is a downstream metabolite of homocysteine and metabolized by GSTA1. TONSL is part of a complex that functions in the recovery of double strand breaks and AGA plays a role in lysosomal breakdown of glycoprotein.
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Affiliation(s)
- Cameron B Haas
- Department of Epidemiology, University of Washington, Seattle, WA, USA.
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA.
| | - Yu-Ru Su
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Paneen Petersen
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Xiaoliang Wang
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Stephanie A Bien
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Yi Lin
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Demetrius Albanes
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Stephanie J Weinstein
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Mark A Jenkins
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC, Australia
| | - Jane C Figueiredo
- Department of Medicine, Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Department of Preventive Medicine and USC Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Polly A Newcomb
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
- School of Public Health, University of Washington, Seattle, WA, USA
| | - Graham Casey
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, USA
| | | | - Peter T Campbell
- Behavioral and Epidemiology Research Group, American Cancer Society, Atlanta, GA, USA
| | - Victor Moreno
- Oncology Data Analytics Program, Catalan Institute of Oncology-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Department of Clinical Sciences, Faculty of Medicine, University of Barcelona, Barcelona, Spain
- ONCOBEL Program, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - John D Potter
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
- Center for Public Health Research, Massey University, Wellington, New Zealand
| | - Lori C Sakoda
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA
| | - Martha L Slattery
- Department of Internal Medicine, University of Utah, Salt Lake City, UT, USA
| | - Andrew T Chan
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Broad Institute of Harvard and MIT, Cambridge, MA, USA
| | - Li Li
- Department of Family Medicine, University of Virginia, Charlottesville, VA, USA
| | - Graham G Giles
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC, Australia
- Cancer Epidemiology Division, Cancer Council Victoria, Melbourne, VIC, Australia
- Precision Medicine, School of Clinical Sciences at Monash Health, Monash University, Clayton, VIC, Australia
| | - Roger L Milne
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC, Australia
- Cancer Epidemiology Division, Cancer Council Victoria, Melbourne, VIC, Australia
- Precision Medicine, School of Clinical Sciences at Monash Health, Monash University, Clayton, VIC, Australia
| | - Stephen B Gruber
- Department of Preventive Medicine and USC Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Gad Rennert
- Department of Community Medicine and Epidemiology, Lady Davis Carmel Medical Center, Haifa, Israel
- Ruth and Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
- Clalit National Cancer Control Center, Haifa, Israel
| | - Michael O Woods
- Memorial University of Newfoundland, Discipline of Genetics, St. John's, Canada
| | - Steven J Gallinger
- Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada
| | - Sonja Berndt
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Richard B Hayes
- Division of Epidemiology, Department of Population Health, New York University School of Medicine, New York, NY, USA
| | - Wen-Yi Huang
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Alicja Wolk
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Emily White
- Department of Epidemiology, University of Washington, Seattle, WA, USA
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Hongmei Nan
- IU Melvin and Bren Simon Cancer Center, Indiana University, Indianapolis, IN, USA
| | - Rami Nassir
- Department of Pathology, School of Medicine, Umm Al-Qura'a University, Makkah, Saudi Arabia
| | - Noralane M Lindor
- Department of Health Science Research, Mayo Clinic, Scottsdale, AZ, USA
| | - Juan P Lewinger
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Andre E Kim
- Department of Preventive Medicine and USC Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - David Conti
- Department of Preventive Medicine and USC Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - W James Gauderman
- Department of Preventive Medicine and USC Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Daniel D Buchanan
- Colorectal Oncogenomics Group, Department of Clinical Pathology, The University of Melbourne, Parkville, VIC, 3010, Australia
- University of Melbourne Centre for Cancer Research, Victorian Comprehensive Cancer Centre, Parkville, VIC, 3010, Australia
| | - Ulrike Peters
- Department of Epidemiology, University of Washington, Seattle, WA, USA
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Li Hsu
- Public Health Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
- Department of Biostatistics, University of Washington, Seattle, WA, USA
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7
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Alnabbat KI, Fardous AM, Shahab A, James AA, Bahry MR, Heydari AR. High Dietary Folic Acid Intake Is Associated with Genomic Instability in Peripheral Lymphocytes of Healthy Adults. Nutrients 2022; 14:3944. [PMID: 36235597 PMCID: PMC9571807 DOI: 10.3390/nu14193944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/16/2022] [Accepted: 09/22/2022] [Indexed: 11/17/2022] Open
Abstract
Mandatory fortification of food with synthetic folic acid (FA) was instituted in 1998 to reduce the incidence of neural tube defects. Adequate folate status is correlated with numerous health benefits. However, elevated consumption of FA is controversially associated with deleterious effects on health. We previously reported that excess FA mimicked folate depletion in a lymphoblastoid cell line. To explore the impact of FA intake from fortified food, we conducted an observational human study on 33 healthy participants aged 18-40 not taking any supplements. Food intake, anthropomorphic measurements, and blood samples were collected and analyzed. Our results show that individuals belonging to the highest tertile of folic acid intake, as well as ones with the highest folic acid to total folate intake ratio (FAR), display a significantly greater incidence of lymphocyte genomic damage. A decrease in global DNA methylation is observed in the highest tertile of FAR compared to the lowest (p = 0.055). A downward trend in the overall gene expression of select DNA repair and one carbon cycle genes (MGMT, MLH1, UNG, MTHFR, MTR) is noted with increased folate status and FA intake. These results provide supporting evidence that high consumption of FA from fortified foods can precipitate genomic instability in peripheral lymphocyte in vivo.
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Affiliation(s)
- Khadijah I Alnabbat
- Department of Nutrition and Food Science, Wayne State University, Detroit, MI 48202, USA
- Department of Food and Nutrition Sciences, King Faisal University, Al Hufūf 31982, Saudi Arabia
| | - Ali M Fardous
- Department of Nutrition and Food Science, Wayne State University, Detroit, MI 48202, USA
| | - Aiman Shahab
- Department of Nutrition and Food Science, Wayne State University, Detroit, MI 48202, USA
| | - Andrew A James
- Department of Nutrition and Food Science, Wayne State University, Detroit, MI 48202, USA
| | - Manhel R Bahry
- Department of Nutrition and Food Science, Wayne State University, Detroit, MI 48202, USA
| | - Ahmad R Heydari
- Department of Nutrition and Food Science, Wayne State University, Detroit, MI 48202, USA
- Barbara Ann Karmanos Cancer Institute, Wayne State University, Detroit, MI 48202, USA
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8
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Folic Acid: Sources, Chemistry, Absorption, Metabolism, Beneficial Effects on Poultry Performance and Health. Vet Med Int 2022; 2022:2163756. [PMID: 36032042 PMCID: PMC9417761 DOI: 10.1155/2022/2163756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/07/2022] [Accepted: 07/26/2022] [Indexed: 11/17/2022] Open
Abstract
Recently, there has been an increasing interest in the study of the effects of folic acid (FA) on poultry because it was observed that FA could overcome problems in poultry health while improving its performance. FA, or folate, is a water-soluble B vitamin essential in poultry, so FA intake must be available in the feed. Sources of FA in feed come from plants or animals, and animal sources have relatively more stable FA. The ingested FA will be absorbed in the intestinal lumen and transported into the liver through the blood vessels. Therefore, FA has a positive effect on the performance and health status of poultry. The effect of FA on poultry performance is to increase reproductive tract development, FA content in eggs, hatchability, weight gain, average initial body weight, feed intake, relative growth rate, chick body weight, breast fillet percentage, and reduce FCR and white striping score. At the same time, the effect on poultry health influences antioxidant activities, thyroid hormones, blood biochemicals, anti-inflammatory gene expressions, and immune responses. The present review deals with FA sources, chemistry, absorption, metabolism, effects on performance, and poultry health, which are based on valid basic information.
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Wu Z, Hu H, Wang C, Wu J, Xiong Y, Fu Y, Cheng X, Su H, Li P. Association between serum folate levels and blood concentrations of cadmium and lead in US adults. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:3565-3574. [PMID: 34392480 DOI: 10.1007/s11356-021-15767-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 07/28/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Folate may be involved in the detoxification of heavy metals. This has been demonstrated in animal studies, in in vivo and in vitro studies, and clinical evaluations. However, knowledge regarding the associations between serum folate and blood concentrations of cadmium and lead is limited. OBJECTIVE We aimed to investigate the relationship between serum folate levels and blood concentrations of cadmium and lead in US adults. METHODS Data on 15,501 adults were obtained from the 1999-2006 National Health and Nutrition Examination Survey (NHANES) and used for the analysis. Information on serum folate concentrations and blood levels of lead and cadmium was derived from laboratory measurements in the NHANES. Multivariable linear regression was used to examine the relationship between serum folate levels and blood concentrations of cadmium and lead in US adults, controlling for confounders. RESULTS The serum folate concentration was negatively correlated with blood levels of cadmium and lead (P-trends <0.01). When stratified by sex (male and female) and estimated glomerular filtration rate (eGFR ≤60 and >60 mL/min/1.73 m2), the association between serum folate concentrations and blood levels of cadmium and lead was found to be more stable in adults with eGFR > 60 mL/min/1.73 m2, both in males and females. SIGNIFICANCE These findings warrant future studies to explore the mechanisms responsible for the beneficial role of folate in regulating cadmium and lead concentrations in the blood.
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Affiliation(s)
- Zuxiang Wu
- Department of Cardiology, the Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Huan Hu
- Department of Cardiology, the Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Chenxi Wang
- Department of Cardiology, the Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Ji Wu
- Department of Cardiology, the Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Yurong Xiong
- Department of Cardiology, the Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Yang Fu
- Department of Cardiology, the Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Xiaoshu Cheng
- Department of Cardiology, the Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
- Center for Prevention and Treatment of Cardiovascular Diseases, the Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Hai Su
- Department of Cardiology, the Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Ping Li
- Department of Cardiology, the Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.
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10
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The Timing and Duration of Folate Restriction Differentially Impacts Colon Carcinogenesis. Nutrients 2021; 14:nu14010016. [PMID: 35010891 PMCID: PMC8746403 DOI: 10.3390/nu14010016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/17/2021] [Accepted: 12/17/2021] [Indexed: 01/27/2023] Open
Abstract
Diet plays a crucial role in the development of colorectal cancer (CRC). Of particular importance, folate, present in foods and supplements, is a crucial modulator of CRC risk. The role of folate, and, specifically, the synthetic variant, folic acid, in the primary prevention of CRC has not been fully elucidated. Animal studies varied considerably in the timing, duration, and supplementation of folates, leading to equivocal results. Our work attempts to isolate these variables to ascertain the role of folic acid in CRC initiation, as we previously demonstrated that folate restriction conferred protection against CRC initiation in a β-pol haploinsufficient mouse model. Here we demonstrated that prior adaptation to folate restriction altered the response to carcinogen exposure in wild-type C57BL/6 mice. Mice adapted to folate restriction for 8 weeks were protected from CRC initiation compared to mice placed on folate restriction for 1 week, irrespective of antibiotic supplementation. Through analyses of mTOR signaling, DNA methyltransferase, and DNA repair, we have identified factors that may play a critical role in the differential responses to folate restriction. Furthermore, the timing and duration of folate restriction altered these pathways differently in the absence of carcinogenic insult. These results represent novel findings, as we were able to show that, in the same model and under controlled conditions, folate restriction produced contrasting results depending on the timing and duration of the intervention.
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11
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Bai Y, Wang R, Yang Y, Li R, Wu X. Folic Acid Absorption Characteristics and Effect on Cecal Microbiota of Laying Hens. Front Vet Sci 2021; 8:720851. [PMID: 34485442 PMCID: PMC8416075 DOI: 10.3389/fvets.2021.720851] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Accepted: 07/26/2021] [Indexed: 02/01/2023] Open
Abstract
This experiment was conducted to investigate the characteristics of folic acid (FA) absorption in laying hens and the effect of FA supplementation on cecal microbiota. A total of 432 healthy hens (30-week-old) were randomly assigned to four diets supplemented with FA: 0, 1, 6, and 24 mg/kg of feed for 8 w. Blood, duodenum, jejunum, ileum, cecum, and cecal chyme samples (six samples per treatment) were collected from the hens at the end of the feeding trial. Expression profiles of folate transport and transformation genes in intestine and cecal microbiota were detected. Results showed that serum folate level significantly increased (P < 0.01) with an increase in dietary FA supplementation, reaching a plateau at 6 mg/kg FA supplementation. The expression of FA transport and transformation genes was not affected in the cecum (P > 0.05) by dietary FA supplementation; however, it was affected in the duodenum, jejunum, and ileum and mostly showed a downward trend in treatment groups (P < 0.05). The genes affected include duodenal folate receptor (Folr) and dihydrofolate reductase (Dhfr), jejunal proton-coupled folate transporter (Pcft) and reduced folate carrier (Rfc), and ileal ATP binding cassette subfamily C member (Abcc2), Abcc3, Rfc, Folr, and Dhfr. Furthermore, according to the operational taxonomic unit classification and taxonomic position identification, the cecal microbiota population of the hens was not affected by dietary FA supplementation at the phylum, class, order, family, genus, and species levels (P > 0.05). However, the relative abundance of some microbiota was affected by dietary FA supplementation (P < 0.05). In conclusion, FA transport from the intestinal lumen into enterocytes, and then into the bloodstream, is strictly regulated, which may be associated with the regulation of the expression profiles of genes involved in FA absorption. Pathogenic bacteria decreased in the cecum, especially at 24 mg/kg supplementation, but the beneficial bacteria (Bifidobacteriaceae) decreased at this level, too. Overall, FA supplementation at 6 mg/kg, which was selected for folate-enriched egg production, did not affect the health and metabolism of laying hens negatively.
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Affiliation(s)
- Yan Bai
- Laboratory of Poultry Production, College of Animal Science, Shanxi Agricultural University, Jinzhong, China
| | - Rui Wang
- Laboratory of Poultry Production, College of Animal Science, Shanxi Agricultural University, Jinzhong, China.,Department of Life Sciences, Luliang University, Luliang, China
| | - Yu Yang
- Laboratory of Poultry Production, College of Animal Science, Shanxi Agricultural University, Jinzhong, China
| | - Ruirui Li
- Laboratory of Poultry Production, College of Animal Science, Shanxi Agricultural University, Jinzhong, China
| | - Xiaotian Wu
- Laboratory of Poultry Production, College of Animal Science, Shanxi Agricultural University, Jinzhong, China
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12
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Puga AM, Ruperto M, Samaniego-Vaesken MDL, Montero-Bravo A, Partearroyo T, Varela-Moreiras G. Effects of Supplementation with Folic Acid and Its Combinations with Other Nutrients on Cognitive Impairment and Alzheimer's Disease: A Narrative Review. Nutrients 2021; 13:2966. [PMID: 34578844 PMCID: PMC8470370 DOI: 10.3390/nu13092966] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/04/2021] [Accepted: 08/20/2021] [Indexed: 01/24/2023] Open
Abstract
Cognitive impairment and Alzheimer's Disease, among other cognitive dysfunctions, has been recognized as a major public health problem. Folic acid is a well-known essential nutrient whose deficiency has been linked to neurocognitive dysfunctions, owing to hyperhomocysteinemia, an independent risk factor for cardio- and cerebrovascular diseases, including cognitive impairment, Alzheimer's Disease, and vascular dementia. However, to date, there is certain controversy about the efficacy of vitamin supplementation in patients with these pathologies. Therefore, we have reviewed the available dietary intervention studies based on folic acid, either alone or in combination with different vitamins or nutrients into the progression of Alzheimer's Disease and Cognitive impairment, highlighting the cognition and biochemical markers employed for the evaluation of the disease progression. Undeniably, the compiled information supports the potential benefits of vitamin supplementation in these pathologies, especially relevant to the aging process and quality of life, although more research is urgently needed to confirm these positive findings.
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Affiliation(s)
- Ana M. Puga
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Alcorcón, 28925 Madrid, Spain; (A.M.P.); (M.R.); (M.d.L.S.-V.); (A.M.-B.); (T.P.)
- Grupo USP-CEU de Excelencia “Nutrición para la vida (Nutrition for Life)”, ref: E02/0720, Alcorcón, 28925 Madrid, Spain
| | - Mar Ruperto
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Alcorcón, 28925 Madrid, Spain; (A.M.P.); (M.R.); (M.d.L.S.-V.); (A.M.-B.); (T.P.)
- Grupo USP-CEU de Excelencia “Nutrición para la vida (Nutrition for Life)”, ref: E02/0720, Alcorcón, 28925 Madrid, Spain
| | - Mª de Lourdes Samaniego-Vaesken
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Alcorcón, 28925 Madrid, Spain; (A.M.P.); (M.R.); (M.d.L.S.-V.); (A.M.-B.); (T.P.)
- Grupo USP-CEU de Excelencia “Nutrición para la vida (Nutrition for Life)”, ref: E02/0720, Alcorcón, 28925 Madrid, Spain
| | - Ana Montero-Bravo
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Alcorcón, 28925 Madrid, Spain; (A.M.P.); (M.R.); (M.d.L.S.-V.); (A.M.-B.); (T.P.)
- Grupo USP-CEU de Excelencia “Nutrición para la vida (Nutrition for Life)”, ref: E02/0720, Alcorcón, 28925 Madrid, Spain
| | - Teresa Partearroyo
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Alcorcón, 28925 Madrid, Spain; (A.M.P.); (M.R.); (M.d.L.S.-V.); (A.M.-B.); (T.P.)
- Grupo USP-CEU de Excelencia “Nutrición para la vida (Nutrition for Life)”, ref: E02/0720, Alcorcón, 28925 Madrid, Spain
| | - Gregorio Varela-Moreiras
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Alcorcón, 28925 Madrid, Spain; (A.M.P.); (M.R.); (M.d.L.S.-V.); (A.M.-B.); (T.P.)
- Grupo USP-CEU de Excelencia “Nutrición para la vida (Nutrition for Life)”, ref: E02/0720, Alcorcón, 28925 Madrid, Spain
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13
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Huang W, Kane MA. MAPLE: A Microbiome Analysis Pipeline Enabling Optimal Peptide Search and Comparative Taxonomic and Functional Analysis. J Proteome Res 2021; 20:2882-2894. [PMID: 33848166 DOI: 10.1021/acs.jproteome.1c00114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Metaproteomics by mass spectrometry (MS) is a powerful approach to profile a large number of proteins expressed by all organisms in a highly complex biological or ecological sample, which is able to provide a direct and quantitative assessment of the functional makeup of a microbiota. The human gastrointestinal microbiota has been found playing important roles in human physiology and health, and metaproteomics has been shown to shed light on multiple novel associations between microbiota and diseases. MS-powered proteomics generally relies on genome data to define search space. However, metaproteomics, which simultaneously analyzes all proteins from hundreds to thousands of species, faces significant challenges regarding database search and interpretation of results. To overcome these obstacles, we have developed a user-friendly microbiome analysis pipeline (MAPLE, freely downloadable at http://maple.rx.umaryland.edu/), which is able to define an optimal search space by inferring proteomes specific to samples following the principle of parsimony. MAPLE facilitates highly comparable or better peptide identification compared to a sample-specific metagenome-guided search. In addition, we implemented an automated peptide-centric enrichment analysis function in MAPLE to address issues of traditional protein-centric comparison, enabling straightforward and comprehensive comparison of taxonomic and functional makeup between microbiota.
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Affiliation(s)
- Weiliang Huang
- Department of Pharmaceutical Sciences, University of Maryland, School of Pharmacy, Baltimore, Maryland 21201, United States
| | - Maureen A Kane
- Department of Pharmaceutical Sciences, University of Maryland, School of Pharmacy, Baltimore, Maryland 21201, United States
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14
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Koole JL, Bours MJL, Geijsen AJMR, Gigic B, Ulvik A, Kok DE, Brezina S, Ose J, Baierl A, Böhm J, Brenner H, Breukink SO, Chang-Claude J, van Duijnhoven FJB, van Duijvendijk P, Gumpenberger T, Habermann N, van Halteren HK, Hoffmeister M, Holowatyj AN, Janssen-Heijnen MLG, Keulen ETP, Kiblawi R, Kruyt FM, Li CI, Lin T, Midttun Ø, Peoples AR, van Roekel EH, Schneider MA, Schrotz-King P, Ulrich AB, Vickers K, Wesselink E, de Wilt JHW, Gsur A, Ueland PM, Ulrich CM, Kampman E, Weijenberg MP. Circulating B-vitamin biomarkers and B-vitamin supplement use in relation to quality of life in patients with colorectal cancer: results from the FOCUS consortium. Am J Clin Nutr 2021; 113:1468-1481. [PMID: 33668069 PMCID: PMC8168355 DOI: 10.1093/ajcn/nqaa422] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 12/14/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND B vitamins have been associated with the risk and progression of colorectal cancer (CRC), given their central roles in nucleotide synthesis and methylation, yet their association with quality of life in established CRC is unclear. OBJECTIVES To investigate whether quality of life 6 months postdiagnosis is associated with: 1) circulating concentrations of B vitamins and related biomarkers 6 months postdiagnosis; 2) changes in these concentrations between diagnosis and 6 months postdiagnosis; 3) B-vitamin supplement use 6 months postdiagnosis; and 4) changes in B-vitamin supplement use between diagnosis and 6 months postdiagnosis. METHODS We included 1676 newly diagnosed stage I-III CRC patients from 3 prospective European cohorts. Circulating concentrations of 9 biomarkers related to the B vitamins folate, riboflavin, vitamin B6, and cobalamin were measured at diagnosis and 6 months postdiagnosis. Information on dietary supplement use was collected at both time points. Health-related quality of life (global quality of life, functioning scales, and fatigue) was assessed by the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire 6 months postdiagnosis. Confounder-adjusted linear regression analyses were performed, adjusted for multiple testing. RESULTS Higher pyridoxal 5'-phosphate (PLP) was cross-sectionally associated with better physical, role, and social functioning, as well as reduced fatigue, 6 months postdiagnosis. Associations were observed for a doubling in the hydroxykynurenine ratio [3-hydroxykynurenine: (kynurenic acid + xanthurenic acid + 3-hydroxyanthranilic acid + anthranilic acid); an inverse marker of vitamin B6] and both reduced global quality of life (β = -3.62; 95% CI: -5.88, -1.36) and worse physical functioning (β = -5.01; 95% CI: -7.09, -2.94). Dose-response relations were observed for PLP and quality of life. No associations were observed for changes in biomarker concentrations between diagnosis and 6 months. Participants who stopped using B-vitamin supplements after diagnosis reported higher fatigue than nonusers. CONCLUSIONS Higher vitamin B6 status was associated with better quality of life, yet limited associations were observed for the use of B-vitamin supplements. Vitamin B6 needs further study to clarify its role in relation to quality of life.
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Affiliation(s)
- Janna L Koole
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, The Netherlands
| | - Martijn J L Bours
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, The Netherlands
| | - 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
| | - Stefanie Brezina
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Jennifer Ose
- Huntsman Cancer Institute, Salt Lake City, UT, USA,Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
| | - 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
| | - 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 Developmental Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Jenny Chang-Claude
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | | | - Tanja Gumpenberger
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Nina Habermann
- Genome Biology, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Henk K van Halteren
- Department of Internal Medicine, Admiraal de Ruyter Hospital, Goes, The Netherlands
| | - Michael Hoffmeister
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Andreana N Holowatyj
- Huntsman Cancer Institute, Salt Lake City, UT, USA,Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA,Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA,Vanderbilt-Ingram Cancer Center, Nashville, TN, USA
| | - Maryska L G Janssen-Heijnen
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, The Netherlands,Department of Clinical Epidemiology, VieCuri Medical Centre, Venlo, The Netherlands
| | - Eric T P Keulen
- Department of Internal Medicine and Gastroenterology, Zuyderland Medical Centre, 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
| | - Flip M Kruyt
- Department of Surgery, Gelderse Vallei Hospital, 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
| | | | - Anita R Peoples
- Huntsman Cancer Institute, Salt Lake City, UT, USA,Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
| | - Eline H van Roekel
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, The Netherlands
| | - 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
| | - Alexis B Ulrich
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Kathy Vickers
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Evertine Wesselink
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, The Netherlands
| | - Johannes H W de Wilt
- Department of Surgery, Division of Surgical Oncology and Gastrointestinal Surgery, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Andrea Gsur
- Institute of Cancer Research, Department of Medicine I, 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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15
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Sung JJY, Coker OO, Chu E, Szeto CH, Luk STY, Lau HCH, Yu J. Gastric microbes associated with gastric inflammation, atrophy and intestinal metaplasia 1 year after Helicobacter pylori eradication. Gut 2020; 69:1572-1580. [PMID: 31974133 PMCID: PMC7456733 DOI: 10.1136/gutjnl-2019-319826] [Citation(s) in RCA: 121] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 12/03/2019] [Accepted: 12/14/2019] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Helicobacter pylori is associated with gastric inflammation, precancerous gastric atrophy (GA) and intestinal metaplasia (IM). We aimed to identify microbes that are associated with progressive inflammation, GA and IM 1 year after H. pylori eradication. DESIGN A total of 587 H. pylori-positive patients were randomised to receive H. pylori eradication therapy (295 patients) or placebo (292 patients). Bacterial taxonomy was analysed on 404 gastric biopsy samples comprising 102 pairs before and after 1 year H. pylori eradication and 100 pairs before and after 1 year placebo by 16S rRNA sequencing. RESULTS Analysis of microbial sequences confirmed the eradication of H. pylori in treated group after 1 year. Principal component analysis revealed distinct microbial clusters reflected by increase in bacterial diversity (p<0.00001) after H. pylori eradication. While microbial interactions remained largely unchanged after placebo treatment, microbial co-occurrence was less in treated group. Acinetobacter lwoffii, Streptococcus anginosus and Ralstonia were enriched while Roseburia and Sphingomonas were depleted in patients with persistent inflammation 1 year after H. pylori eradication. A distinct cluster of oral bacteria comprising Peptostreptococcus, Streptococcus, Parvimonas, Prevotella, Rothia and Granulicatella were associated with emergence and persistence of GA and IM. Probiotic Faecalibacterium praustznii was depleted in subjects who developed GA following H. pylori eradication. Functional pathways including amino acid metabolism and inositol phosphate metabolism were enriched while folate biosynthesis and NOD-like receptor signalling decreased in atrophy/IM-associated gastric microbiota. CONCLUSION This study identified that gastric microbes contribute to the progression of gastric carcinogenesis after H. pylori eradication.
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Affiliation(s)
- Joseph J Y Sung
- Department of Medicine and Therapeutics, Chinese University of Hong Kong, New Territories, Hong Kong
| | - Olabisi Oluwabukola Coker
- Department of Medicine and Therapeutics, Chinese University of Hong Kong, New Territories, Hong Kong
| | - Eagle Chu
- Department of Medicine and Therapeutics, Chinese University of Hong Kong, New Territories, Hong Kong
| | - Chun Ho Szeto
- Department of Medicine and Therapeutics, Chinese University of Hong Kong, New Territories, Hong Kong
| | - Simson Tsz Yat Luk
- Department of Medicine and Therapeutics, Chinese University of Hong Kong, New Territories, Hong Kong
| | - Harry Cheuk Hay Lau
- Department of Medicine and Therapeutics, Chinese University of Hong Kong, New Territories, Hong Kong
| | - Jun Yu
- Department of Medicine and Therapeutics, Chinese University of Hong Kong, New Territories, Hong Kong
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16
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Ferrazzi E, Tiso G, Di Martino D. Folic acid versus 5- methyl tetrahydrofolate supplementation in pregnancy. Eur J Obstet Gynecol Reprod Biol 2020; 253:312-319. [PMID: 32868164 DOI: 10.1016/j.ejogrb.2020.06.012] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 06/04/2020] [Accepted: 06/08/2020] [Indexed: 12/11/2022]
Abstract
Folate (vitamin B9) is widely accepted to protect against fetal neural tube defects. The main sources of dietary folate are folic acid-fortified foods and folic acid-containing dietary supplements. However, folic acid is inactive in the human body and must be converted by the liver into the active molecule 5-methyltetrahydrofolate (5-MTHF). 5-MTHF functions as a methyl donor in many metabolic reactions, including the conversion of homocysteine into methionine, the biosynthesis of glycine from serine, and the biosynthesis of DNA precursor molecules. Therefore, folate is fundamental for growth, especially in the embryonic and fetal stages. Prescription of folic acid to women in the preconception period and during pregnancy is a consolidated practice. However, it can pose health risks in certain conditions, such as megaloblastic anemia, where it will conceal megaloblastic anemia due to vitamin B12 deficiency and in cases of reduced hepatic transformation of folic acid (e.g. due to genetic variants or during some pharmacotherapies). Some of these risks can be avoided by supplementation with 5-MTHF rather than folic acid. Because 5-MTHF does not require activation, it is immediately available to mother and fetus and does not accumulate in blood like folic acid does in cases of reduced hepatic transformation. This paper reviews the advantages and disadvantages of folate supplementation with folic acid versus 5-MTHF, with a focus on maternal and fetal health.
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Affiliation(s)
- Enrico Ferrazzi
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Obstertics Unit, Dept of Woman Child and Neonate, Milan, Italy.
| | - Giulia Tiso
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Obstertics Unit, Dept of Woman Child and Neonate, Milan, Italy
| | - Daniela Di Martino
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Obstertics Unit, Dept of Woman Child and Neonate, Milan, Italy
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17
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Zhong Y, Zhu Y, Li Q, Wang F, Ge X, Zhou G, Miao L. Association between Mediterranean diet adherence and colorectal cancer: a dose-response meta-analysis. Am J Clin Nutr 2020; 111:1214-1225. [PMID: 32359135 DOI: 10.1093/ajcn/nqaa083] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 04/01/2020] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Mounting epidemiologic studies have investigated the potential inverse association between Mediterranean diet (MD) adherence and colorectal cancer (CRC) incidence and mortality. OBJECTIVES This meta-analysis aimed to investigate the association between MD adherence and CRC incidence and mortality. METHODS PubMed, Embase, and Web of Science were searched to identify eligible studies through September 2019. A random-effects model was used to estimate summary RRs and 95% CIs. RESULTS This meta-analysis included 13 prospective cohort studies, of which 9 reported CRC incidence and 5 reported CRC mortality. The summary RR of CRC incidence was 0.90 (95% CI: 0.84, 0.96) for highest compared with lowest MD adherence and 0.96 (95% CI: 0.94, 0.99) per 2-score increase in MD adherence. The summary RRs for highest compared with lowest MD adherence were 0.82 for rectal cancer (95% CI: 0.71, 0.95), 0.94 for proximal colon cancer (95% CI: 0.87, 1.02), and 0.91 for distal colon cancer (95% CI: 0.79, 1.04). Neither the summary HR of overall mortality for highest compared with lowest pre- and postdiagnosis MD adherence, nor the summary HR of CRC-specific mortality for highest compared with lowest prediagnosis MD adherence achieved a value with statistical significance. CONCLUSIONS Our meta-analysis supports the inverse association of MD adherence with CRC incidence, but not with overall mortality or CRC-specific mortality among those diagnosed with CRC.
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Affiliation(s)
- Yuan Zhong
- Medical Center for Digestive Diseases, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yan Zhu
- Jinling Hospital Department of Orthopedics, Nanjing Medical University, Nanjing, China
| | - Quanpeng Li
- Medical Center for Digestive Diseases, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Fei Wang
- Medical Center for Digestive Diseases, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xianxiu Ge
- Medical Center for Digestive Diseases, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Guangxin Zhou
- Jinling Hospital Department of Orthopedics, Nanjing Medical University, Nanjing, China
| | - Lin Miao
- Medical Center for Digestive Diseases, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
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18
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Sharma J, Krupenko SA. Folate pathways mediating the effects of ethanol in tumorigenesis. Chem Biol Interact 2020; 324:109091. [PMID: 32283069 DOI: 10.1016/j.cbi.2020.109091] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 04/02/2020] [Indexed: 02/08/2023]
Abstract
Folate and alcohol are dietary factors affecting the risk of cancer development in humans. The interaction between folate status and alcohol consumption in carcinogenesis involves multiple mechanisms. Alcoholism is typically associated with folate deficiency due to reduced dietary folate intake. Heavy alcohol consumption also decreases folate absorption, enhances urinary folate excretion and inhibits enzymes pivotal for one-carbon metabolism. While folate metabolism is involved in several key biochemical pathways, aberrant DNA methylation, due to the deficiency of methyl donors, is considered as a common downstream target of the folate-mediated effects of ethanol. The negative effects of low intakes of nutrients that provide dietary methyl groups, with high intakes of alcohol are additive in general. For example, low methionine, low-folate diets coupled with alcohol consumption could increase the risk for colorectal cancer in men. To counteract the negative effects of alcohol consumption, increased intake of nutrients, such as folate, providing dietary methyl groups is generally recommended. Here mechanisms involving dietary folate and folate metabolism in cancer disease, as well as links between these mechanisms and alcohol effects, are discussed. These mechanisms include direct effects on folate pathways and indirect mediation by oxidative stress, hypoxia, and microRNAs.
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Affiliation(s)
- Jaspreet Sharma
- Nutrition Research Institute and Department of Nutrition, University of North Carolina, Chapel Hill, USA
| | - Sergey A Krupenko
- Nutrition Research Institute and Department of Nutrition, University of North Carolina, Chapel Hill, USA; Department of Nutrition, University of North Carolina, Chapel Hill, USA.
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Systemic Metabolomic Profiling of Acute Myeloid Leukemia Patients before and During Disease-Stabilizing Treatment Based on All-Trans Retinoic Acid, Valproic Acid, and Low-Dose Chemotherapy. Cells 2019; 8:cells8101229. [PMID: 31658693 PMCID: PMC6829623 DOI: 10.3390/cells8101229] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 10/05/2019] [Accepted: 10/07/2019] [Indexed: 02/06/2023] Open
Abstract
Acute myeloid leukemia (AML) is an aggressive malignancy, and many elderly/unfit patients cannot receive intensive and potentially curative therapy. These patients receive low-toxicity disease-stabilizing treatment. The combination of all-trans retinoic acid (ATRA) and the histone deacetylase inhibitor valproic acid can stabilize the disease for a subset of such patients. We performed untargeted serum metabolomic profiling for 44 AML patients receiving treatment based on ATRA and valproic acid combined with low-dose cytotoxic drugs (cytarabine, hydroxyurea, 6-mercaptopurin) which identified 886 metabolites. When comparing pretreatment samples from responders and non-responders, metabolites mainly belonging to amino acid and lipid (i.e., fatty acid) pathways were altered. Furthermore, patients with rapidly progressive disease showed an extensively altered lipid metabolism. Both ATRA and valproic acid monotherapy also altered the amino acid and lipid metabolite profiles; however, these changes were only highly significant for valproic acid treatment. Twenty-three metabolites were significantly altered by seven-day valproic acid treatment (p < 0.05, q < 0.05), where the majority of altered metabolites belonged to lipid (especially fatty acid metabolism) and amino acid pathways, including several carnitines. These metabolomic effects, and especially the effects on lipid metabolism, may be important for the antileukemic and epigenetic effects of this treatment.
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20
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Folate can promote the methionine-dependent reprogramming of glioblastoma cells towards pluripotency. Cell Death Dis 2019; 10:596. [PMID: 31395852 PMCID: PMC6687714 DOI: 10.1038/s41419-019-1836-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 04/29/2019] [Accepted: 06/10/2019] [Indexed: 12/11/2022]
Abstract
Methionine dependency of tumor growth, although not well-understood, is detectable by 11C-methionine positron emission tomography and may contribute to the aggressivity of glioblastomas (GBM) and meningiomas. Cytosolic folate cycle is required for methionine synthesis. Its dysregulation may influence cell reprogramming towards pluripotency. We evaluated methionine-dependent growth of monolayer (ML) cells and stem cell-like tumor spheres (TS) derived from 4 GBM (U251, U87, LN299, T98G) and 1 meningioma (IOMM-LEE) cell lines. Our data showed that for all cell lines studied, exogenous methionine is required for TS formation but not for ML cells proliferation. Furthermore, for GBM cell lines, regardless of the addition of folate cycle substrates (folic acid and formate), the level of 3 folate isoforms, 5-methytetrahydrofolate, 5,10-methenyltetrahydrofolate, and 10-formyltetrahydrofolate, were all downregulated in TS relative to ML cells. Unlike GBM cell lines, in IOMM-LEE cells, 5-methyltetrahydrofolate was actually more elevated in TS than ML, and only 5,10-methenyltetrahydrofolate and 10-formyltetrahydrofolate were downregulated. The functional significance of this variation in folate cycle repression was revealed by the finding that Folic Acid and 5-methyltetrahydrofolate promote the growth of U251 TS but not IOMM-LEE TS. Transcriptome-wide sequencing of U251 cells revealed that DHFR, SHMT1, and MTHFD1 were downregulated in TS vs ML, in concordance with the low activity cytosolic folate cycle observed in U251 TS. In conclusion, we found that a repressed cytosolic folate cycle underlies the methionine dependency of GBM and meningioma cell lines and that 5-methyltetrahydrofolate is a key metabolic switch for glioblastoma TS formation. The finding that folic acid facilitates TS formation, although requiring further validation in diseased human tissues, incites to investigate whether excessive folate intake could promote cancer stem cells formation in GBM patients.
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21
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Kordus SL, Baughn AD. Revitalizing antifolates through understanding mechanisms that govern susceptibility and resistance. MEDCHEMCOMM 2019; 10:880-895. [PMID: 31303985 PMCID: PMC6595967 DOI: 10.1039/c9md00078j] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 05/07/2019] [Indexed: 12/12/2022]
Abstract
In prokaryotes and eukaryotes, folate (vitamin B9) is an essential metabolic cofactor required for all actively growing cells. Specifically, folate serves as a one-carbon carrier in the synthesis of amino acids (such as methionine, serine, and glycine), N-formylmethionyl-tRNA, coenzyme A, purines and thymidine. Many microbes are unable to acquire folates from their environment and rely on de novo folate biosynthesis. In contrast, mammals lack the de novo folate biosynthesis pathway and must obtain folate from commensal microbiota or the environment using proton-coupled folate transporters. The essentiality and dichotomy between mammalian and bacterial folate biosynthesis and utilization pathways make it an ideal drug target for the development of antimicrobial agents and cancer chemotherapeutics. In this minireview, we discuss general aspects of folate biosynthesis and the underlying mechanisms that govern susceptibility and resistance of organisms to antifolate drugs.
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Affiliation(s)
- Shannon Lynn Kordus
- Department of Microbiology and Immunology , University of Minnesota , Minneapolis , MN , USA .
| | - Anthony David Baughn
- Department of Microbiology and Immunology , University of Minnesota , Minneapolis , MN , USA .
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22
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Gylling B, Myte R, Ulvik A, Ueland PM, Midttun Ø, Schneede J, Hallmans G, Häggström J, Johansson I, Van Guelpen B, Palmqvist R. One-carbon metabolite ratios as functional B-vitamin markers and in relation to colorectal cancer risk. Int J Cancer 2018; 144:947-956. [PMID: 29786139 PMCID: PMC6587534 DOI: 10.1002/ijc.31606] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 04/07/2018] [Accepted: 04/17/2018] [Indexed: 12/12/2022]
Abstract
One‐carbon metabolism biomarkers are easily measured in plasma, but analyzing them one at a time in relation to disease does not take into account the interdependence of the many factors involved. The relative dynamics of major one‐carbon metabolism branches can be assessed by relating the functional B‐vitamin marker total homocysteine (tHcy) to transsulfuration (total cysteine) and methylation (creatinine) outputs. We validated the ratios of tHcy to total cysteine (Hcy:Cys), tHcy to creatinine (Hcy:Cre) and tHcy to cysteine to creatinine (Hcy:Cys:Cre) as functional markers of B‐vitamin status. We also calculated the associations of these ratios to colorectal cancer (CRC) risk. Furthermore, the relative contribution of potential confounders to the variance of the ratio‐based B‐vitamin markers was calculated by linear regression in a nested case–control study of 613 CRC cases and 1,190 matched controls. Total B‐vitamin status was represented by a summary score comprising Z‐standardized plasma concentrations of folate, cobalamin, betaine, pyridoxal 5′‐phosphate and riboflavin. Associations with CRC risk were estimated using conditional logistic regression. We found that the ratio‐based B‐vitamin markers all outperformed tHcy as markers of total B‐vitamin status, in both CRC cases and controls. In addition, associations with CRC risk were similar for the ratio‐based B‐vitamin markers and total B‐vitamin status (approximately 25% lower risk for high vs. low B‐vitamin status). In conclusion, ratio‐based B‐vitamin markers were good predictors of total B‐vitamin status and displayed similar associations as total B‐vitamin status with CRC risk. Since tHcy and creatinine are routinely clinically analyzed, Hcy:Cre could be easily implemented in clinical practice. What's new? While total homocysteine (tHcy) levels are an important biomarker of B‐vitamin status and may be predictive for colorectal cancer (CRC) risk, they are influenced by a variety of factors, such as age, sex, and lifestyle. Here, tHcy was compared to ratio‐based biomarkers of total B‐vitamin status to assess functionality and relation to CRC risk. In CRC patients and controls, the ratio‐based markers outperformed tHcy as indicators of total B‐vitamin status. Their association with CRC risk was similar to that of total B‐vitamin status. Ratio‐based biomarkers could fill a valuable role in assessments of functional B‐vitamin levels and disease risk.
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Affiliation(s)
- Björn Gylling
- Department of Medical Biosciences, Pathology, Umeå University, Umeå, Sweden
| | - Robin Myte
- Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden
| | - Arve Ulvik
- Bevital AS, Laboratory building, Bergen, Norway
| | - Per M Ueland
- Department of Clinical Science, University of Bergen and Laboratory of Clinical Biochemistry, Haukeland University Hospital, Bergen, Norway
| | | | - Jörn Schneede
- Department of Clinical Pharmacology, Pharmacology and Clinical Neurosciences, Umeå University, Umeå, Sweden
| | - Göran Hallmans
- Department of Public Health and Clinical Medicine, Nutritional Research, Umeå University, Umeå, Sweden
| | - Jenny Häggström
- Department of Statistics, Umeå School of Business and Economics, Umeå University, Umeå, Sweden
| | | | | | - Richard Palmqvist
- Department of Medical Biosciences, Pathology, Umeå University, Umeå, Sweden
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Kok DE, Steegenga WT, Smid EJ, Zoetendal EG, Ulrich CM, Kampman E. Bacterial folate biosynthesis and colorectal cancer risk: more than just a gut feeling. Crit Rev Food Sci Nutr 2018; 60:244-256. [DOI: 10.1080/10408398.2018.1522499] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Dieuwertje E. Kok
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, The Netherlands
| | - Wilma T. Steegenga
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, The Netherlands
| | - Eddy J. Smid
- Laboratory of Food Microbiology, Wageningen University & Research, Wageningen, The Netherlands
| | - Erwin G. Zoetendal
- Laboratory of Microbiology, Wageningen University & Research, Wageningen, The Netherlands
| | - Cornelia M. Ulrich
- Department of Population Health Sciences and Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah, USA
| | - Ellen Kampman
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, The Netherlands
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24
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Protective role of vitamin B6 (PLP) against DNA damage in Drosophila models of type 2 diabetes. Sci Rep 2018; 8:11432. [PMID: 30061626 PMCID: PMC6065437 DOI: 10.1038/s41598-018-29801-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 07/19/2018] [Indexed: 12/24/2022] Open
Abstract
Growing evidence shows that improper intake of vitamin B6 increases cancer risk and several studies indicate that diabetic patients have a higher risk of developing tumors. We previously demonstrated that in Drosophila the deficiency of Pyridoxal 5′ phosphate (PLP), the active form of vitamin B6, causes chromosome aberrations (CABs), one of cancer prerequisites, and increases hemolymph glucose content. Starting from these data we asked if it was possible to provide a link between the aforementioned studies. Thus, we tested the effect of low PLP levels on DNA integrity in diabetic cells. To this aim we generated two Drosophila models of type 2 diabetes, the first by impairing insulin signaling and the second by rearing flies in high sugar diet. We showed that glucose treatment induced CABs in diabetic individuals but not in controls. More interestingly, PLP deficiency caused high frequencies of CABs in both diabetic models demonstrating that hyperglycemia, combined to reduced PLP level, impairs DNA integrity. PLP-depleted diabetic cells accumulated Advanced Glycation End products (AGEs) that largely contribute to CABs as α-lipoic acid, an AGE inhibitor, rescued not only AGEs but also CABs. These data, extrapolated to humans, indicate that low PLP levels, impacting on DNA integrity, may be considered one of the possible links between diabetes and cancer.
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25
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Watson J, Lee M, Garcia-Casal MN. Consequences of Inadequate Intakes of Vitamin A, Vitamin B 12, Vitamin D, Calcium, Iron, and Folate in Older Persons. CURRENT GERIATRICS REPORTS 2018; 7:103-113. [PMID: 29721404 PMCID: PMC5918526 DOI: 10.1007/s13670-018-0241-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Purpose of Review This review broadly discusses the consequences of inadequate consumption, by deficit or excess, of selected micronutrients on the quality of life and morbidity during aging, specifically considering increases in life expectancy and the costs of care in the older persons. Recent Findings A literature review of the periods 2012 to 2018, focusing on vitamins A, B12, and D, calcium, iron and folate, was completed as these micronutrients are found to significantly affect the aging process. Causation and application of these micronutrients to disorders related to aging are controversial and mixed. This review highlights research needs and controversial points on the role of these micronutrients. Summary Micronutrient deficiencies are a common and avoidable contributor to decreased quality of life and healthcare costs in the older persons. Further research is needed to determine adequate intakes and innovative uses, including appropriate thresholds for improved health outcomes for this population.
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Affiliation(s)
- Jessica Watson
- 1Morsani College of Medicine, University of South Florida, Tampa, Florida USA
| | - Marissa Lee
- 2Loma Linda University, School of Public Health, Loma Linda, CA USA
| | - Maria Nieves Garcia-Casal
- 3Evidence and Programme Guidance Unit, Department of Nutrition for Health and Development, World Health Organization, 20 Av Appia, 1211 Geneva, Switzerland
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26
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Shen X, Sun X, Sun B, Li T, Wu G, Li Y, Chen L, Liu Q, Cui M, Zhou Z. ARRDC3 suppresses colorectal cancer progression through destabilizing the oncoprotein YAP. FEBS Lett 2018; 592:599-609. [PMID: 29364502 DOI: 10.1002/1873-3468.12986] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 01/16/2018] [Accepted: 01/17/2018] [Indexed: 01/12/2023]
Affiliation(s)
- Xu Shen
- College of Life Sciences Shandong Agricultural University Tai'an Shandong China
| | - Xiaohan Sun
- College of Life Sciences Shandong Agricultural University Tai'an Shandong China
| | - Bing Sun
- Department of Anorectum Qianfo Mount Hospital affiliated to Shandong University Ji'nan Shandong China
| | - Tao Li
- Department of Anorectum Qianfo Mount Hospital affiliated to Shandong University Ji'nan Shandong China
| | - Guoliang Wu
- Department of Anorectum Qianfo Mount Hospital affiliated to Shandong University Ji'nan Shandong China
| | - Yuantao Li
- Department of Anorectum Qianfo Mount Hospital affiliated to Shandong University Ji'nan Shandong China
| | - Lai Chen
- Jiangxi University of Traditional Chinese Medicine Nanchang China
| | - Qingxin Liu
- College of Life Sciences Shandong Agricultural University Tai'an Shandong China
| | - Meng Cui
- Department of Anorectum Qianfo Mount Hospital affiliated to Shandong University Ji'nan Shandong China
| | - Zizhang Zhou
- College of Life Sciences Shandong Agricultural University Tai'an Shandong China
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27
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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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28
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Mst1 regulates colorectal cancer stress response via inhibiting Bnip3-related mitophagy by activation of JNK/p53 pathway. Cell Biol Toxicol 2017; 34:263-277. [PMID: 29063978 DOI: 10.1007/s10565-017-9417-6] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Accepted: 10/16/2017] [Indexed: 01/03/2023]
Abstract
The Hippo-Mst1 pathway is associated with tumor development and progression. However, little evidence is available for its role in colorectal cancer (CRC) stress response via mitochondrial homeostasis. In this study, we conducted gain-of function assay about Mst1 in CRC via adenovirus transfection. Then, cellular viability and apoptosis were measured via MTT, TUNEL assay, and typan blue staining. Mitochondrial function was detected via JC1 staining, mPTP opening assay, and immunofluorescence of cyt-c. Mitophagy was observed via western blots and immunofluorescence. Cell migration and proliferation were evaluated via Transwell and BrdU assay. Western blots were used to analyze the signaling pathways with JNK inhibitors or p53 siRNA. We found that Mst1 was down-regulated in CRC. Overexpression of Mst1 induced CRC apoptosis and impaired cell proliferation and migration. Functional studies have illustrated that recovery of Mst1 could activate JNK pathway which upregulated the p53 expression. The latter repressed Bnip3 transcription and activity, leading to the mitophagy arrest. The defective mitophagy impaired mitochondrial homeostasis, evoked cellular oxidative stress, and initiated the mitochondrial apoptosis. Meanwhile, bad-structured mitophagy also hindered the cancer proliferation via CyclinD/E. Moreover, Mst1-suppressed mitophagy was associated with CRC migration inhibition via regulation of CXCR4/7 expression. Collectively, our data described the comprehensive role of Mst1 in colorectal cancer stress response involving apoptosis, mobilization, and growth via handling mitophagy by JNK/p53/Bnip3 pathways.
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29
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Aguirre-Portolés C, Fernández LP, Ramírez de Molina A. Precision Nutrition for Targeting Lipid Metabolism in Colorectal Cancer. Nutrients 2017; 9:nu9101076. [PMID: 28956850 PMCID: PMC5691693 DOI: 10.3390/nu9101076] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 09/20/2017] [Accepted: 09/25/2017] [Indexed: 12/16/2022] Open
Abstract
Cancer is a multistage and multifactorial condition with genetic and environmental factors modulating tumorogenesis and disease progression. Nevertheless, cancer is preventable, as one third of cancer deaths could be avoided by modifying key risk factors. Nutrients can directly affect fundamental cellular processes and are considered among the most important risk factors in colorectal cancer (CRC). Red and processed meat, poultry consumption, fiber, and folate are the best-known diet components that interact with colorectal cancer susceptibility. In addition, the direct association of an unhealthy diet with obesity and dysbiosis opens new routes in the understanding of how daily diet nutrients could influence cancer prognosis. In the “omics” era, traditional nutrition has been naturally evolved to precision nutrition where technical developments have contributed to a more accurate discipline. In this sense, genomic and transcriptomic studies have been extensively used in precision nutrition approaches. However, the relation between CRC carcinogenesis and nutrition factors is more complex than originally expected. Together with classical diet-nutrition-related genes, nowadays, lipid-metabolism-related genes have acquired relevant interest in precision nutrition studies. Lipids regulate very diverse cellular processes from ATP synthesis and the activation of essential cell-signaling pathways to membrane organization and plasticity. Therefore, a wide range of tumorogenic steps can be influenced by lipid metabolism, both in primary tumours and distal metastasis. The extent to which genetic variants, together with the intake of specific dietary components, affect the risk of CRC is currently under investigation, and new therapeutic or preventive applications must be explored in CRC models. In this review, we will go in depth into the study of co-occurring events, which orchestrate CRC tumorogenesis and are essential for the evolution of precision nutrition paradigms. Likewise, we will discuss the application of precision nutrition approaches to target lipid metabolism in CRC.
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Affiliation(s)
- Cristina Aguirre-Portolés
- Molecular Oncology and Nutritional Genomics of Cancer Group, IMDEA Food Institute, CEI UAM + CSIC, Carretera de Cantoblanco 8, E-28049 Madrid, Spain.
| | - Lara P Fernández
- Molecular Oncology and Nutritional Genomics of Cancer Group, IMDEA Food Institute, CEI UAM + CSIC, Carretera de Cantoblanco 8, E-28049 Madrid, Spain.
| | - Ana Ramírez de Molina
- Molecular Oncology and Nutritional Genomics of Cancer Group, IMDEA Food Institute, CEI UAM + CSIC, Carretera de Cantoblanco 8, E-28049 Madrid, Spain.
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30
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Cantarella CD, Ragusa D, Giammanco M, Tosi S. Folate deficiency as predisposing factor for childhood leukaemia: a review of the literature. GENES & NUTRITION 2017; 12:14. [PMID: 28588742 PMCID: PMC5455200 DOI: 10.1186/s12263-017-0560-8] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 04/05/2017] [Indexed: 12/14/2022]
Abstract
BACKGROUND Folic acid and its derivates, known as folates, are chemoprotective micronutrients of great interest because of their essential role in the maintenance of health and genomic integrity. The supplementation of folic acid during pregnancy has long been known to reduce the risk of neural tube defects (NTDs) in the foetus. Folate metabolism can be altered by many factors, including adequate intake through diet. Folate deficiency can compromise the synthesis, repair and methylation of DNA, with deleterious consequences on genomic stability and gene expression. These processes are known to be altered in chronic diseases, including cancer and cardiovascular diseases. MAIN BODY This review focuses on the association between folate intake and the risk of childhood leukaemia. Having compiled and analysed studies from the literature, we show the documented effects of folates on the genome and their role in cancer prevention and progression with particular emphasis on DNA methylation modifications. These changes are of crucial importance during pregnancy, as maternal diet has a profound impact on the metabolic and physiological functions of the foetus and the susceptibility to disease in later life. Folate deficiency is capable of modifying the methylation status of certain genes at birth in both animals and humans, with potential pathogenic and tumorigenic effects on the progeny. Pre-existing genetic polymorphisms can modify the metabolic network of folates and influence the risk of cancer, including childhood leukaemias. The protective effects of folic acid might be dose dependent, as excessive folic acid could have the adverse effect of nourishing certain types of tumours. CONCLUSION Overall, maternal folic acid supplementation before and during pregnancy seems to confer protection against the risk of childhood leukaemia in the offspring. The optimal folic acid requirements and supplementation doses need to be established, especially in conjunction with other vitamins in order to determine the most successful combinations of nutrients to maintain genomic health and wellbeing. Further research is therefore needed to uncover the role of maternal diet as a whole, as it represents a main factor capable of inducing permanent changes in the foetus.
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Affiliation(s)
- Catia Daniela Cantarella
- Department of Experimental Biomedicine and Clinical Neurosciences, University of Palermo, Palermo, Italy
| | - Denise Ragusa
- Division of Biosciences, College of Health and Life Sciences, Institute of Environment, Health and Societies, Brunel University London, Uxbridge, UK
| | - Marco Giammanco
- Department of Experimental Biomedicine and Clinical Neurosciences, University of Palermo, Palermo, Italy
| | - Sabrina Tosi
- Division of Biosciences, College of Health and Life Sciences, Institute of Environment, Health and Societies, Brunel University London, Uxbridge, UK
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