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Huang Y, Hu Q, Wei Z, Chen L, Luo Y, Li X, Li C. Influence of MTHFR polymorphism, alone or in combination with smoking and alcohol consumption, on cancer susceptibility. Open Life Sci 2023; 18:20220680. [PMID: 37772262 PMCID: PMC10523282 DOI: 10.1515/biol-2022-0680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 05/17/2023] [Accepted: 07/18/2023] [Indexed: 09/30/2023] Open
Abstract
5,10-methylenetetrahydrofolate reductase (MTHFR) mutations play a significant role in various types of cancers, serving as crucial regulators of folate levels in this process. Several studies have examined the effects of smoking and drinking on MTHFR-related cancers, yielding inconsistent results. Therefore, the objective of this study was to evaluate the magnitude of the effects of gene-smoking or gene-drinking interactions on cancer development. We conducted a comprehensive literature search in PubMed, Web of Science, CNKI, and Wan Fang databases up until May 10th, 2022, to identify relevant articles that met our inclusion criteria. The extracted data from these studies were used to calculate the overall odds ratio (OR) and corresponding 95% confidence interval (95% CI) using either a fixed-effect or random-effect model in Stata version 11.2. Stratified analyses were performed based on ethnicity, control group origin, and cancer classification to assess the risk of cancers associated with gene-smoking or gene-drinking interactions. Sensitivity analyses were conducted to investigate potential sources of heterogeneity, and publication bias was assessed using the Begg's test and Egger's test. Additionally, regression analysis was employed to explore the influence of relevant variables on heterogeneity. To evaluate the statistical correlations, analytical methods such as the false-positive report probability and the Bayesian false discovery probability were applied to assess the reliability of the findings. In our meta-analysis, a total of 47 articles were included, comprising 13,701 cases and 21,995 controls for the C677T polymorphism and 5,149 cases and 8,450 controls for the A1298C polymorphism. The results indicated a significant association between C677T polymorphism and cancer risks when combined with smoking (CT + TT vs CC, OR [95% CI] = 1.225 [1.009-1.487], p = 0.041). Stratified analysis further revealed a significant increase in liver cancer risk for individuals with the C677T when combined with smoking (liver cancer: CT + TT vs CC, OR [95% CI] = 1.564 [1.014-2.413], p = 0.043), particularly among Asian smokers (CT + TT vs CC, OR [95% CI] = 1.292 [1.007-1.658], p = 0.044). Regarding the A1298C polymorphism, an elevated risk of cancer was observed in mixed populations alone (CC + AC vs AA, OR [95% CI] = 1.609 [1.087-2.381], p = 0.018), as well as when combined with smoking (CC + AC vs AA, OR [95% CI] = 1.531 [1.127-2.080], p = 0.006). In non-drinkers, C677T polymorphism was found to be associated with esophageal cancer risk (C677T: CT + TT vs CC, OR [95% CI] = 1.544 [1.011-2.359], p = 0.044) and colon cancer risk (CC + AC vs AA, OR [95% CI] = 1.877 [1.166-3.054], p = 0.010), but there was no clear link between this polymorphism and cancer risk among drinkers. The association between the C677T polymorphism and cancer risk among smokers was found to be significant, suggesting that the combination of tobacco and the C677T polymorphism may enhance the carcinogenic process, particularly in liver cancer. However, no similar relationship was observed for the A1298C polymorphism. Interestingly, significantly increased cancer risk was observed in individuals with C677T genetic variants who were nondrinkers, but not among drinkers. These findings highlight the potential role of the C677T polymorphism in modifying cancer risk in specific contexts, such as smoking and alcohol consumption.
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Affiliation(s)
- Yonghui Huang
- Department of Prosthodontics, The Affiliated Stomatology Hospital of Guangxi Medical University, Nanning530021, P. R. China
| | - Qiurui Hu
- Department of Prosthodontics, The Affiliated Stomatology Hospital of Guangxi Medical University, Nanning530021, P. R. China
| | - Zhenxia Wei
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatology Hospital of Guangxi Medical University, Nanning530021, P. R. China
| | - Li Chen
- Department of Prosthodontics, The Affiliated Stomatology Hospital of Guangxi Medical University, Nanning530021, P. R. China
| | - Ying Luo
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, Guangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious Diseases, Nanning 530021, P. R. China
| | - Xiaojie Li
- Department of Prosthodontics, The Affiliated Stomatology Hospital of Guangxi Medical University, Nanning530021, P. R. China
- Medical Scientific Research Center, College of Stomatology, Guangxi Medical University, Nanning530021, P. R. China
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, Guangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious Diseases, Nanning 530021, P. R. China
| | - Cuiping Li
- Medical Scientific Research Center, College of Stomatology, Guangxi Medical University, Nanning530021, P. R. China
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, Guangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious Diseases, Nanning 530021, P. R. China
- Department of Experiment, The Affiliated Stomatology Hospital of Guangxi Medical University, Nanning530021, P. R. China
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Diakite B, Kassogue Y, Maiga M, Dolo G, Kassogue O, Holl JL, Joyce B, Wang J, Cisse K, Diarra F, Keita ML, Traore CB, Kamate B, Sissoko SB, Coulibaly B, Sissoko AS, Traore D, Sidibe FM, Bah S, Teguete I, Ly M, Nadifi S, Dehbi H, Kim K, Murphy R, Hou L. Lack of Association of C677T Methylenetetrahydrofolate Reductase Polymorphism with Breast Cancer Risk in Mali. Genet Res (Camb) 2023; 2023:4683831. [PMID: 36721432 PMCID: PMC9873441 DOI: 10.1155/2023/4683831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 12/22/2022] [Accepted: 01/06/2023] [Indexed: 01/19/2023] Open
Abstract
Methylenetetrahydrofolate reductase (MTHFR) plays a major role in the metabolism of folates and homocysteine, which in turn can affect gene expression and ultimately promote the development of breast cancer. Thus, mutations in the MTHFR gene could influence homocysteine, methionine, and S-adenosylmethionine levels and, indirectly, nucleotide levels. Imbalance in methionine and S-adenosylmethionine synthesis affects protein synthesis and methylation. These changes, which affect gene expression, may ultimately promote the development of breast cancer. We therefore hypothesized that such mutations could also play an important role in the occurrence and pathogenesis of breast cancer in a Malian population. In this study, we used the PCR-RFLP technique to identify the different genotypic profiles of the C677T MTHFR polymorphism in 127 breast cancer women and 160 healthy controls. The genotypic distribution of the C677T polymorphism in breast cancer cases was 88.2% for CC, 11.0% for CT, and 0.8% for TT. Healthy controls showed a similar distribution with 90.6% for CC, 8.8% for CT, and 0.6% for TT. We found no statistical association between the C677T polymorphism and breast cancer risk for the codominant models CT and TT (p > 0.05). The same trend was observed when the analysis was extended to other genetic models, including dominant (p = 0.50), recessive (p = 0.87), and additive (p = 0.50) models. The C677T polymorphism of MTHFR gene did not influence the risk of breast cancer in the Malian samples.
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Affiliation(s)
- Brehima Diakite
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Yaya Kassogue
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Mamoudou Maiga
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
- Institute for Global Health, Northwestern University, Chicago, IL 60611, USA
- Preventive Medicine Department, Northwestern University, Chicago, IL 60611, USA
| | - Guimogo Dolo
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Oumar Kassogue
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Jane L Holl
- Department of Neurology, University of Chicago, Chicago, IL 60637, USA
| | - Brian Joyce
- Institute for Global Health, Northwestern University, Chicago, IL 60611, USA
- Preventive Medicine Department, Northwestern University, Chicago, IL 60611, USA
| | - Jun Wang
- Preventive Medicine Department, Northwestern University, Chicago, IL 60611, USA
- Department of Neurology, University of Chicago, Chicago, IL 60637, USA
| | - Kadidiatou Cisse
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Fousseyni Diarra
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Mamadou L Keita
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Cheick B Traore
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Bakarou Kamate
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Sidi B Sissoko
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Bourama Coulibaly
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Adama S Sissoko
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Drissa Traore
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Fatoumata M Sidibe
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Sekou Bah
- Faculty of Pharmacy, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Ibrahim Teguete
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Madani Ly
- Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | | | - Hind Dehbi
- Hassan II University Aïn Chock, Casablanca, Morocco
| | - Kyeezu Kim
- Institute for Global Health, Northwestern University, Chicago, IL 60611, USA
- Preventive Medicine Department, Northwestern University, Chicago, IL 60611, USA
| | - Robert Murphy
- Institute for Global Health, Northwestern University, Chicago, IL 60611, USA
| | - Lifang Hou
- Institute for Global Health, Northwestern University, Chicago, IL 60611, USA
- Preventive Medicine Department, Northwestern University, Chicago, IL 60611, USA
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Methylenetetrahydrofolate reductase (MTHFR) 677C>T polymorphisms in breast cancer: A Filipino preliminary case-control study. GENE REPORTS 2022. [DOI: 10.1016/j.genrep.2022.101682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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4
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Interleukin-10 (IL-10) gene polymorphisms and prostate cancer susceptibility: Evidence from a meta-analysis. GENE REPORTS 2021. [DOI: 10.1016/j.genrep.2021.101377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
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Yadav U, Kumar P, Rai V. FokI polymorphism of the vitamin D receptor (VDR) gene and susceptibility to tuberculosis: Evidence through a meta-analysis. INFECTION GENETICS AND EVOLUTION 2021; 92:104871. [PMID: 33901685 DOI: 10.1016/j.meegid.2021.104871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 04/15/2021] [Accepted: 04/20/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND Tuberculosis is one of the top ten causes of deaths worldwide. The deficiency of vitamin D was reported to be associated with the increased susceptibility of tuberculosis. Various previous reports were published to check the association of FokI polymorphism of the vitamin D receptor gene with tuberculosis risk. But their results were inconsistent so, we performed a meta-analysis to know the exact relation of the two. METHODS Different databases were screened up to November 2020 with the keywords "Vitamin D receptor", "VDR", and "FokI", along with "Tuberculosis" and "TB" to find the suitable articles. All the statistical analyses were performed by the Open Meta-Analyst program and all p-values were two-tailed with a significance level of 0.05. RESULTS No statistically significant association was observed in the allele contrast model (ORfvs.F = 1.11, 95%CI = 0.99-1.24, p = 0.05, I2 = 73.46%), in the dominant model (ORff+Ffvs.FF = 1.11, 95%CI = 0.96-1.28, p = 0.14, I2 = 71.39%), and in the co-dominant model (ORFfvs.FF = 1.05, 95%CI = 0.92-1.21, p = 0.41, I2 = 65.97%). However, a significant association was found in the homozygote model (ORffvs.FF = 1.32, 95%CI = 1.03-1.69, p = 0.02, I2 = 67.02%) and in the recessive model (ORFF+Ff vs.ff = 1.26, 95%CI = 1.03-1.54, p = 0.02, I2 = 58.01%). Further analysis was performed on the bases of the ethnicity. In Asian population a significant association was found in the homozygote model (ORffvs.FF = 1.57, 95%CI = 1.12-2.21, p = 0.008, I2 = 70.37%) and in the recessive model (ORFF+Ff vs.ff = 1.43, 95%CI = 1.08-1.89, p = 0.01, I2 = 63.13%). CONCLUSION In conclusion, a significant association of FokI with tuberculosis susceptibility was found in the overall analysis and in the Asian population.
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Affiliation(s)
- Upendra Yadav
- Human Molecular Genetics Laboratory, Department of Biotechnology, VBS Purvanchal University, Jaunpur, UP, India
| | - Pradeep Kumar
- Human Molecular Genetics Laboratory, Department of Biotechnology, VBS Purvanchal University, Jaunpur, UP, India
| | - Vandana Rai
- Human Molecular Genetics Laboratory, Department of Biotechnology, VBS Purvanchal University, Jaunpur, UP, India.
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Rezaee M, Akbari H, Momeni-Moghaddam MA, Moazzen F, Salahi S, Jahankhah R, Tahmasebi S. Association of C677T (rs1081133) and A1298C (rs1801131) Methylenetetrahydrofolate Reductase Variants with Breast Cancer Susceptibility Among Asians: A Systematic Review and Meta-Analysis. Biochem Genet 2021; 59:367-397. [PMID: 33387129 DOI: 10.1007/s10528-020-10020-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 11/28/2020] [Indexed: 12/25/2022]
Abstract
This systematic review and meta-analysis were conducted to investigate the association between methylenetetrahydrofolate reductase (MTHFR) C677T and A1298C polymorphisms with breast cancer (BC) in Asians. Systematic searches were conducted in PubMed, EMBASE, Web of Science, and Scopus by May 2020. Inter-study heterogeneity was also assessed with a Q test, along with I2 statistics. Random-effects models were applied to pooled crude ORs with corresponding 95% CIs for the genetic models. A total of 1097 identified results, along with 36 qualified studies were included: for MTHFR C677T polymorphism, a total of 36 studies was comprised of 11,261 cases and 13,318 controls and for MTHFR A1298C polymorphism, a number of 19 studies contained 7424 cases and 8204 controls. Likewise, for C677T polymorphism, an increased risk of BC was seen for the allelic (OR 1.21, 95% CI 1.09-1.33, P < 0.01, I2 = 78.9%), dominant (OR 1.17, 95% CI 1.05-1.30, P < 0.01, I2 = 71.8%), recessive (OR 1.43, 95% CI 1.23-1.67, P < 0.01, I2 = 55.8%), and homozygous models (OR 1.48, 95% CI 1.25-1.75, P < 0.01, I2 59.9%) among BC patients compared to controls. Also, in terms of A1298C polymorphism, an association was found between the allelic (OR 1.15, 95% CI 1.04-1.28, P < 0.01, I2 70.4%) and homozygous models (OR 1.38, 95% CI 1.15-1.66, P < 0.01, I2 44.2%) with the risk of BC. In conclusion, findings revealed that MTHFR C677T variant might be a factor that predisposes BC in Asians. Furthermore, it was found that A1298C variant acts as a BC risk factor, particularly in a Western Asia population.
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Affiliation(s)
- Maryam Rezaee
- Dermatology Department, Molecular Dermatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hamed Akbari
- Student Research Committee, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran.,Department of Biochemistry, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | | | - Fatemeh Moazzen
- Department of Hematology, Faculty of Allied Medicine, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Sarvenaz Salahi
- Minimally Invasive Surgery Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Reza Jahankhah
- Department of Radiology, Medical Imaging Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sedigheh Tahmasebi
- Breast Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
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7
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Sambyal V, Lal H, Sharma B, Guleria K, Singh N, Uppal M, Manjari M, Sudan M. Association of MTHFR 677C>T polymorphism with breast cancer risk: A case–control study and meta-analysis. J Cancer Res Ther 2021; 18:1451-1460. [DOI: 10.4103/jcrt.jcrt_1063_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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8
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Chen X, Ahamada H, Zhang T, Bai Z, Wang C. Association of Intake Folate and Related Gene Polymorphisms with Breast Cancer. J Nutr Sci Vitaminol (Tokyo) 2020; 65:459-469. [PMID: 31902858 DOI: 10.3177/jnsv.65.459] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Breast cancer is one of the most common malignancies in women worldwide and is associated with a variety of risk factors. Folate and vitamin B12 are key elements of the one-carbon metabolism pathway where methylenetetrahydrofolate reductase (MTHFR) plays a significant role. Though many molecular and epidemiological studies have been performed to explore the relationship between intake folate, vitamin B12, MTHFR gene polymorphism and breast cancer risk, there is no consensus to date. By reviewing the relevant literatures and summarizing the potential effect of dietary folate intake on MTHFR genes polymorphism and breast cancer risk, we conclude that MTHFR C677T gene polymorphism is associated with breast cancer risk among Asian, but not Caucasians, and the MTHFR A1298C gene polymorphism is not a susceptibility factor of breast cancers. Concomitant low activity of MTHFR enzyme resulted from C677T gene polymorphism and low dietary folate intake is associated with increased breast cancer risk.
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Affiliation(s)
- Xiang Chen
- School of Biotechnology, Jiangnan University.,National Engineering Laboratory for Cereal Fermentation Technology, Jiang Nan University
| | - Hadji Ahamada
- Hematology and Clinical Biochemistry Department, Hospital EL-Maarouf
| | - Ting Zhang
- The Affiliated Wuxi Maternity and Child Health Care Hospital of Nanjing Medical University
| | - Zhonghu Bai
- School of Biotechnology, Jiangnan University.,National Engineering Laboratory for Cereal Fermentation Technology, Jiang Nan University
| | - ChunXin Wang
- Medical Laboratory, The Affiliated Wuxi People's Hospital of Nanjing Medical University
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9
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Evaluation of COMT Gene rs4680 Polymorphism as a Risk Factor for Endometrial Cancer. Indian J Clin Biochem 2020; 35:63-71. [PMID: 32071497 DOI: 10.1007/s12291-018-0799-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 11/26/2018] [Indexed: 12/11/2022]
Abstract
Catechol-O-methyletransferase (COMT) enzyme is involved in the inactivation of catecholamine and catechol estrogens. Catechol estrogens have carcinogenic potential and DNA damaging ability. Several studies investigated COMT Val158Met polymorphism as risk factor for endometrial cancer but the results were inconclusive. Hence the objective of present study was to find out exact association between COMT gene Val158Met polymorphism and endometrial cancer by a meta-analysis. Pubmed, Google Scholar, Springer Link and Science Direct databases were searched for case-control articles which investigated COMT Val158Met polymorphism in endometrial cancer cases. All statistical analysis was performed using MetaAnalyst and Mix programs. The results of meta-analysis suggested that there were no association between COMT Val158Met polymorphism and endometrial cancer risk (allele contrast model-ORA vs. G = 0.97, 95% CI = 0.86-1.10, p = 0.67; co-dominant model-ORAG vs. GG = 0.91, 95% CI = 0.77-1.06, p = 0.23; homozygote model-ORAA vs. GG = 1.01, 95% CI = 0.84-1.19, p = 0.29; dominant model-ORAA+AG vs. GG = 0.93, 95% CI = 0.77-1.11, p = 0.43; recessive model-ORAA vs. AG+GG = 1.02, 95% CI = 0.89-1.20, p = 0.62). Publication bias was absent. Subgroup analysis based on source of controls was also performed. In conclusion, results of present meta-analysis showed no association between COMT Val158Met polymorphism and susceptibility to endometrial cancer.
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Sellami M, Bragazzi NL. Nutrigenomics and Breast Cancer: State-of-Art, Future Perspectives and Insights for Prevention. Nutrients 2020; 12:nu12020512. [PMID: 32085420 PMCID: PMC7071273 DOI: 10.3390/nu12020512] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 02/13/2020] [Accepted: 02/14/2020] [Indexed: 02/06/2023] Open
Abstract
Proper nutrition plays a major role in preventing diseases and, therefore, nutritional interventions constitute crucial strategies in the field of Public Health. Nutrigenomics and nutriproteomics are arising from the integration of nutritional, genomics and proteomics specialties in the era of postgenomics medicine. In particular, nutrigenomics and nutriproteomics focus on the interaction between nutrients and the human genome and proteome, respectively, providing insights into the role of diet in carcinogenesis. Further omics disciplines, like metabonomics, interactomics and microbiomics, are expected to provide a better understanding of nutrition and its underlying factors. These fields represent an unprecedented opportunity for the development of personalized diets in women at risk of developing breast cancer.
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Affiliation(s)
- Maha Sellami
- Sport Science Program (SSP), College of Arts and Sciences (CAS), Qatar University, Doha 2713, Qatar
- Correspondence: (M.S.); (N.L.B.)
| | - Nicola Luigi Bragazzi
- Postgraduate School of Public Health, Department of Health Sciences (DISSAL), University if Genoa, 16132 Genoa, Italy
- Laboratory for Industrial and Applied Mathematics (LIAM), Department of Mathematics and Statistics, York University, Toronto, ON M3J 1P3, Canada
- Correspondence: (M.S.); (N.L.B.)
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11
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Mo W, Ding Y, Zheng Y, Zou D, Ding X. Associations between folate metabolism enzyme polymorphisms and breast cancer: A meta-analysis. Breast J 2019; 26:484-487. [PMID: 31549463 DOI: 10.1111/tbj.13527] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 06/04/2019] [Accepted: 06/05/2019] [Indexed: 12/14/2022]
Abstract
We performed this meta-analysis to explore associations between folate metabolism enzyme polymorphisms and breast cancer (BC) in a larger pooled population. Systematic literature research was performed to identify eligible studies for pooled analyses. Totally 92 genetic association studies were included for analyses. The pooled analyses revealed significant findings for MTRR rs1801394 polymorphism in South Asians, for MTR rs1805087 polymorphism in Caucasians and East Asians, and for MTHFR rs1801133 polymorphism in East Asians. In conclusion, the present meta-analysis indicated that MTRR rs1801394, MTR rs1805087, and MTHFR rs1801133 polymorphisms could be used to identify individuals at high risk of developing BC.
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Affiliation(s)
- Wenju Mo
- Department of Breast Surgery, Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences, Cancer Hospital of the University of Chinese academy of sciences, Zhejiang Cancer Hospital, Hangzhou, China
| | - Yuqin Ding
- Department of Breast Surgery, Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences, Cancer Hospital of the University of Chinese academy of sciences, Zhejiang Cancer Hospital, Hangzhou, China
| | - Yurong Zheng
- Department of Breast Surgery, Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences, Cancer Hospital of the University of Chinese academy of sciences, Zhejiang Cancer Hospital, Hangzhou, China
| | - Dehong Zou
- Department of Breast Surgery, Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences, Cancer Hospital of the University of Chinese academy of sciences, Zhejiang Cancer Hospital, Hangzhou, China
| | - Xiaowen Ding
- Department of Breast Surgery, Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences, Cancer Hospital of the University of Chinese academy of sciences, Zhejiang Cancer Hospital, Hangzhou, China
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12
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Meneses-Sanchez P, Garcia-Hernandez SC, Porchia LM, Pérez-Fuentes R, Torres-Rasgado E, Del Angel Soto A, Gonzalez-Mejia ME. C677T and A1298C methylenetetrahydrofolate reductase polymorphisms and breast cancer susceptibility among Latinos: a meta-analysis. Breast Cancer 2019; 26:602-611. [PMID: 30877449 DOI: 10.1007/s12282-019-00961-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 03/11/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Previous meta-analyses have shown an ethnic dependency of the C677T and the A1298C methylenetetrahydrofolate reductase (MTHFR) polymorphisms, with no focus on the Latino population. For Latinos, many studies have examined these polymorphisms and breast cancer susceptibility, yielding no concise result. Therefore, we undertook this meta-analysis to determine the effect these polymorphisms have on breast cancer risk for Latinos. METHODS PubMed, EBSCO, LILACS, Scopus, and Latin American-specific databases were searched for studies exploring the association between the MTHFR polymorphisms and breast cancer susceptibility in Latinos until January 2019. Genotype distributions were extracted and, depending on the level heterogeneity determined by the ψ2-based Q test and the I2 test, fixed-effects or random-effects models were used to calculate pooled odds ratios (ORs) with 95% confidence intervals (95% CIs) for the heterozygous, homozygous, dominant, recessive, and allelic genetic models. No publication bias was detected by the Begg-Mazumdar's test and Egger's test. RESULTS Of the 280 retrieved publications, 9 studies were included: 9 for the C677T polymorphism and 5 for the A1298C polymorphism. For the C677T polymorphism, there was an elevated risk for the homozygous (OR 1.42, 95% CI 1.05-1.92), the dominant (OR 1.16, 95% CI 1.02-1.31), the recessive (OR 1.33, 95% CI 1.01-1.75), and the allelic model (OR 1.17, 95% CI 1.03-1.33, p < 0.01). No association between the A1298C polymorphism and the risk to develop breast cancer was determined. CONCLUSION The results indicated that, for Latinos, the C677T polymorphism is associated with a significant risk for developing breast cancer, whereas the A1289C polymorphism does not.
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Affiliation(s)
- Perla Meneses-Sanchez
- Departamento de Genética, Facultad de Medicina, Benemérita Universidad Autónoma de Puebla, 13 Sur 2901 Col. Volcanes, C.P. 72420, Puebla, Pue, Mexico
| | - Samantha C Garcia-Hernandez
- Departamento de Genética, Facultad de Medicina, Benemérita Universidad Autónoma de Puebla, 13 Sur 2901 Col. Volcanes, C.P. 72420, Puebla, Pue, Mexico
| | - Leonardo M Porchia
- Laboratorio de Investigación en Fisiopatología de Enfermedades Crónicas, Centro de Investigación Biomédica de Oriente, IMSS, Km 4.5 Carretera Federal Atlixco-Metepec, C.P. 42730, Atlixco, Puebla, Mexico
| | - Ricardo Pérez-Fuentes
- Laboratorio de Investigación en Fisiopatología de Enfermedades Crónicas, Centro de Investigación Biomédica de Oriente, IMSS, Km 4.5 Carretera Federal Atlixco-Metepec, C.P. 42730, Atlixco, Puebla, Mexico.,Facultad de Medicina, Benemérita Universidad Autónoma de Puebla, 13 Sur 2901 Col. Volcanes, C.P. 72420, Puebla, Pue, Mexico
| | - Enrique Torres-Rasgado
- Facultad de Medicina, Benemérita Universidad Autónoma de Puebla, 13 Sur 2901 Col. Volcanes, C.P. 72420, Puebla, Pue, Mexico
| | - Alejandra Del Angel Soto
- Departamento de Genética, Facultad de Medicina, Benemérita Universidad Autónoma de Puebla, 13 Sur 2901 Col. Volcanes, C.P. 72420, Puebla, Pue, Mexico
| | - M Elba Gonzalez-Mejia
- Departamento de Genética, Facultad de Medicina, Benemérita Universidad Autónoma de Puebla, 13 Sur 2901 Col. Volcanes, C.P. 72420, Puebla, Pue, Mexico.
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MTHFR C677T Polymorphism Is Associated with the Risk of Breast Cancer among Kurdish Population from Western Iran. INTERNATIONAL JOURNAL OF CANCER MANAGEMENT 2019. [DOI: 10.5812/ijcm.67895] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Kumar P, Rai V. MTHFR C677T polymorphism and risk of esophageal cancer: An updated meta-analysis. EGYPTIAN JOURNAL OF MEDICAL HUMAN GENETICS 2018. [DOI: 10.1016/j.ejmhg.2018.04.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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Rai V, Kumar P. Fetal MTHFR C677T polymorphism confers no susceptibility to Down syndrome: Evidence from meta-analysis. EGYPTIAN JOURNAL OF MEDICAL HUMAN GENETICS 2018. [DOI: 10.1016/j.ejmhg.2017.06.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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16
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Al-Batayneh KM, Zoubi MSA, Shehab M, Al-Trad B, Bodoor K, Khateeb WA, Aljabali AAA, Hamad MA, Eaton G. Association between MTHFR 677C>T Polymorphism and Vitamin B12 Deficiency: A Case-control Study. J Med Biochem 2018; 37:141-147. [PMID: 30581350 PMCID: PMC6294092 DOI: 10.1515/jomb-2017-0051] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 10/10/2017] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Vitamin B12 (cobalamin) deficiency is a prevalent worldwide health concern. Several factors are associated with vitamin B12 deficiency including lifestyle, genetic predisposition, and malfunctions in the absorption and transport of vitamin B12. In the current case-control study, we aimed at investigating the association between MTHFR polymorphisms and vitamin B12 deficiency in a Jordanian population. METHODS Two polymorphic sites of the MTHFR gene (c.677C>T, rs1801133 and c.1286A>C, rs1801131) were analyzed using RFLP and DNA sequencing in a group of vitamin B12 deficient individuals (45 males and 55 females). As a control, 100 matching individuals (age and sex) with vitamin B12 levels > 200 ng/mL were also recruited for this study. RESULTS The MTHFR c.677C>T variant was significantly associated with vitamin B12 deficiency in individuals from northern Jordan. The frequency of the homozygous MTHFR c.677C>T genotype was significantly higher in B12 deficient individuals in comparison with the control group (X2 = 8.397, p = 0.0150). The T allele frequency showed significant association with vitamin B12 deficiency in the study population (OR= 1.684, 95% CI: 1.116 to 2.542, p = 0.017). On the other hand, the MTHFR c.1286A>C variant did not show significant association with vitamin B12 deficiency in the selected population. CONCLUSIONS Our results showed a significant association between homozygous MTHFR c.677C>T variant and T allele frequencies and vitamin B12 deficiency in the Jordanian population.
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Affiliation(s)
- Khalid M. Al-Batayneh
- Department of Biological Sciences, Faculty of Science, Yarmouk University, Irbid, Jordan
| | - Mazhar Salim Al Zoubi
- Department of Biological Sciences, Faculty of Science, Yarmouk University, Irbid, Jordan
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, Jordan
| | - Murad Shehab
- Department of Biological Sciences, Faculty of Science, Yarmouk University, Irbid, Jordan
| | - Bahaa Al-Trad
- Department of Biological Sciences, Faculty of Science, Yarmouk University, Irbid, Jordan
| | - Khaldon Bodoor
- Department of Applied Biology, Faculty of Science and Arts, Jordan University of Science and Technology, Irbid, Jordan
| | - Wesam Al Khateeb
- Department of Biological Sciences, Faculty of Science, Yarmouk University, Irbid, Jordan
| | | | - Mohammad Al Hamad
- Department of Pathology, Faculty of Medicine, University of Dammam, Dammam, Kingdom of Saudi Arabia
| | - Greg Eaton
- Department of Biology, Rowan University, New Jersey, USA
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Augello G, Balasus D, Fusilli C, Mazza T, Emma MR, Giannitrapani L, Agliastro R, Cervello M, Montalto G. Association Between MICA Gene Variants and the Risk of Hepatitis C Virus-Induced Hepatocellular Cancer in a Sicilian Population Sample. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2018; 22:274-282. [PMID: 29584564 DOI: 10.1089/omi.2017.0215] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
There are currently no biomarkers that predict hepatocellular carcinoma (HCC) risk in patients with hepatitis C virus (HCV)-related cirrhosis. We investigated the relationships among major histocompatibility complex (MHC) class I chain-related gene A (MICA) polymorphisms, plasma levels of soluble MICA (sMICA), and HCC risk in patients with HCV-related HCC. One hundred fifty-four HCV-related HCC patients, 93 HCV-related liver cirrhosis (LC) cases, and 244 healthy controls, all sampled from the native Sicilian population, were genotyped using the KASP™ single-nucleotide polymorphism genotyping method. The MICA rs2596542 polymorphism showed that the G/G genotype was significantly more frequent in HCC than control subjects and LC patients (p < 0.005). For MICA rs2596538 polymorphism, the C allele and C/C genotype were significantly more frequent in HCC than in controls and LC cases (p < 0.005), after controlling for potential confounders. These results demonstrate that MICA rs2596542G/G, and particularly the rs2596538C/C polymorphism, are associated with the risk of developing HCV-related HCC in a Sicilian population sample. Importantly, using a machine learning classifier, we found that "age" and either rs2596542 or rs2596538 were important discriminating factors for patients with LC and HCC. Finally, sMICA levels significantly increased during HCV-related liver disease progression, while a significant relationship between both rs2596542 and rs2596538 genotypes and sMICA plasma levels was identified in patients with LC and HCC. In summary, the MICA rs2596538 and rs2596542 variants warrant further research for their clinical validity and utility in relationship to the risk of developing HCV-related HCC in independent populations.
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Affiliation(s)
- Giuseppa Augello
- 1 Institute of Biomedicine and Molecular Immunology "Alberto Monroy ," National Research Council (CNR), Palermo, Italy .,2 Biomedical Department of Internal Medicine and Specialties, University of Palermo , Palermo, Italy
| | - Daniele Balasus
- 1 Institute of Biomedicine and Molecular Immunology "Alberto Monroy ," National Research Council (CNR), Palermo, Italy .,2 Biomedical Department of Internal Medicine and Specialties, University of Palermo , Palermo, Italy
| | - Caterina Fusilli
- 3 Bioinformatics Unit, Casa Sollievo della Sofferenza Hospital , IRCCS, S. Giovanni Rotondo, Italy
| | - Tommaso Mazza
- 3 Bioinformatics Unit, Casa Sollievo della Sofferenza Hospital , IRCCS, S. Giovanni Rotondo, Italy
| | - Maria Rita Emma
- 1 Institute of Biomedicine and Molecular Immunology "Alberto Monroy ," National Research Council (CNR), Palermo, Italy
| | - Lydia Giannitrapani
- 2 Biomedical Department of Internal Medicine and Specialties, University of Palermo , Palermo, Italy
| | - Rosalia Agliastro
- 4 Immunohematology and Transfusion Medicine Unit, "Civico" Regional Hospital , Palermo, Italy
| | - Melchiorre Cervello
- 1 Institute of Biomedicine and Molecular Immunology "Alberto Monroy ," National Research Council (CNR), Palermo, Italy
| | - Giuseppe Montalto
- 1 Institute of Biomedicine and Molecular Immunology "Alberto Monroy ," National Research Council (CNR), Palermo, Italy .,2 Biomedical Department of Internal Medicine and Specialties, University of Palermo , Palermo, Italy
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Khalighi K, Cheng G, Mirabbasi S, Khalighi B, Wu Y, Fan W. Opposite impact of Methylene tetrahydrofolate reductase C677T and Methylene tetrahydrofolate reductase A1298C gene polymorphisms on systemic inflammation. J Clin Lab Anal 2018; 32:e22401. [PMID: 29396861 DOI: 10.1002/jcla.22401] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Accepted: 01/13/2018] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Methylenetetrahydrofolate reductase (MTHFR) gene polymorphisms have been found to be related with many diseases. Systemic inflammation is now considered as a major predisposition factor for diseases including diabetes mellitus (DM), coronary arterial disease (CAD), stroke, and cancer. This study aimed to investigate whether systemic inflammation is a possible underlying pathogenesis for MTHFR gene polymorphism-related disease. METHODS A total of 292 patients were enrolled, and single nucleotide polymorphisms for MTHFR C667T and A1298C were genotyped. Systemic inflammation markers, neutrophil-to-lymphocyte ratio (NLR), and platelet-to-lymphocyte ratio (PLR) were collected. RESULTS In our study population, MTHFR 677 variants had significant higher NLR level than MTHFR 677 wild type (3.77 ± 0.26 vs 3.06 ± 0.18, P = .028). Logistic regression analysis showed that MTHFR 677 variants were significantly associated with increased NLR level. MTHFR 1298 variants showed the opposite effects which tended to have lower level of NLR (3.21 ± 0.16 vs 3.79 ± 0.34, P = .087) and PLR (137.0 ± 4.8 vs 157.7 ± 9.4, P = .052) than MTHFR 1298 wild type. General linear model showed that there was no statistically significant interaction between MTHFR C667T and A1298C gene polymorphism on NLR or PLR. CONCLUSIONS This study indicates that MTHFR C677T and MTHFR A1298C gene polymorphisms have opposite effect on systemic inflammation, and systemic inflammation may contribute to the pathogenesis for diseases associated with MTHFR C667T gene polymorphism.
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Affiliation(s)
- Koroush Khalighi
- Easton Hospital, Easton, PA, USA.,Easton Cardiovascular Associates, Easton, PA, USA.,School of Medicine, Drexel University, Philadelphia, PA, USA
| | | | | | - Bahar Khalighi
- School of Pharmacy, Temple University, Philadelphia, PA, USA
| | - Yin Wu
- Easton Hospital, Easton, PA, USA
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Methylenetetrahydrofolate Reductase (MTHFR) C677T and A1298C Variants, Folate Intake, and Susceptibility to Breast Cancer. INTERNATIONAL JOURNAL OF CANCER MANAGEMENT 2017. [DOI: 10.5812/ijcm.9528] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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20
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The association between CCR5 Δ32 polymorphism and susceptibility to breast cancer. Oncotarget 2017; 8:82796-82802. [PMID: 29137303 PMCID: PMC5669929 DOI: 10.18632/oncotarget.19959] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Accepted: 03/09/2017] [Indexed: 12/27/2022] Open
Abstract
Background Chemokine C-C motif receptor 5 (CCR5) gene polymorphisms have been proposed to play important roles in tumors. Δ32 polymorphism of this gene might correlate with breast cancer (BC) susceptibility. Nevertheless, inconsistent conclusions have been achieved as yet. We carried out this meta-analysis to draw a more comprehensive and convincing conclusion on this issue. Results No significant correlation of CCR5 Δ32 polymorphism with individual susceptibility to BC was detected in either total analysis (Δ32 vs. WT: OR=1.12, 95% CI=0.76-1.65; WT/Δ32 vs. WT/WT: OR=1.21, 95% CI=0.81-1.80) or subgroup analyses by ethnicity and control source. Methods All eligible studies were searched from electronic databases including Chinese National Knowledge Infrastructure (CNKI), PubMed, EMBASE, and Google Scholar Web. Strength of association between CCR5 Δ32 polymorphism and BC susceptibility was evaluated using pooled odds ratios (ORs) with their corresponding 95% confidence intervals (95% CIs). To further detect their correlation in specific populations, subgroup analyses were performed based on ethnicity and control source. Sensitivity analysis was conducted in this meta-analysis to test statistical stability of the final results. Publication bias among included studies was inspected with Begg’s funnel plot and Egger’s test. Conclusion CCR5 Δ32 polymorphism may not independently affect the risk of BC.
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Rai V. Strong Association of C677T Polymorphism of Methylenetetrahydrofolate Reductase Gene With Nosyndromic Cleft Lip/Palate (nsCL/P). Indian J Clin Biochem 2017; 33:5-15. [PMID: 29371764 DOI: 10.1007/s12291-017-0673-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 06/23/2017] [Indexed: 02/07/2023]
Abstract
Methylenetetrahydrofolate reductase (MTHFR) is essential for DNA biosynthesis and the epigentic process of DNA methylation. It has been reported that abnormal DNA methylation contributes to the pathogenesis of congenital anomalies. There were many published case control studies assessing the associations of MTHFR C677T polymorphism with risks of nosyndromic cleft lip with and without palate (nsCL/P), but with inconsistent results. To derive a more precise estimation of the relationship, a meta-analysis was performed. Eligible articles were identified by search of databases including PubMed, Science Direct, Google Scholar and Springer Link up to December, 2015. Finally, a total of 22 studies with 3724 nsCL/P cases and 5275 controls were included in the present meta-analysis. Odds ratios (ORs) with corresponding 95% confidence intervals (95% CIs) were pooled to assess the association. Subgroup analysis based on ethnicity was also performed. All statistical analyses were done by MIX program. Meta-analysis results suggested that MTHFR C677T polymorphism contributed to the increased nsCL/P risk in overall population using four genetic models except homozygote model (for T vs. C: OR = 1.24, 95% CI = 1.1-1.4; for TT + CT vs. CC: OR = 1.29, 95% CI = 1.04-1.59; for CT vs. CC: OR = 1.26, 95% CI = 0.98-1.63; for TT vs. CC: OR = 1.02, 95% CI = 0.74-1.4; for TT vs. CT + CC: OR = 1.36, 95% CI = 1.05-1.74). In conclusion, results of present meta-analysis suggested that MTHFR C677T polymorphism is significantly associated with nonsyndromic orofacial cleft.
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Affiliation(s)
- Vandana Rai
- Human Molecular Genetics Laboratory, Department of Biotechnology, VBS Purvanchal University, Jaunpur, 222003 India
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22
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Rai V, Yadav U, Kumar P. Impact of Catechol-O-Methyltransferase Val 158Met (rs4680) Polymorphism on Breast Cancer Susceptibility in Asian Population. ASIAN PACIFIC JOURNAL OF CANCER PREVENTION : APJCP 2017; 18:1243-1250. [PMID: 28610409 PMCID: PMC5555530 DOI: 10.22034/apjcp.2017.18.5.1243] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Background: Catechol-O-methyltransferase (COMT) is an important estrogen-metabolizing enzyme. Numerous case-control studies have evaluated the role COMT Val 158Met (rs4680;472G->A) polymorphism in the risk of breast cancer and provided inconclusive results, hence present meta-analysis was designed to get a more reliable assessment in Asian population. Methods: A total of 26 articles were identified through a search of four electronic databases-PubMed, Google Scholar, Science Direct and Springer link, up to March, 2016. Pooled odds ratios (ORs) with 95% con¬fidence intervals (CIs) were used as association measure to find out relationship between COMT Val158Metpolymorphism and the risk of breast cancer. We also assessed between study heterogeneity and publication bias. All statistical analyses were done by Open Meta-Analyst. Results: Twenty six case-control studies involving 5,971 breast cancer patients and 7,253 controls were included in the present meta-analysis. The results showed that the COMT Val158Met polymorphism was significantly associated with breast cancer risk except heterozygote model(allele contrast odds ratio (ORAvsG)= 1.13, 95%CI=1.02-1.24,p=0.01; heterozygote/co-dominant ORGAvsGG= 1.03, 95%CI=0.96-1.11,p=0.34; homozygote ORAAvsGG= 1.38, 95%CI= 1.08-1.76,p=0.009; dominant model ORAA+GAvsGG= 1.08, 95%CI=1.01-1.16,p=0.02; and recessive model ORAAvsGA+GG= 1.35, 95%CI=1.07-1.71,p=0.01). In addition, we also performed subgroup analysis based on source of controls and menopausal state of patients. Conclusions: In conclusion, the COMT Val158Met polymorphism was related to increased breast cancer susceptibility in the Asian population.
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Affiliation(s)
- Vandana Rai
- Human Molecular Genetics Laboratory, Department of Biotechnology, VBS Purvanchal University, Jaunpur-222 003, UP, India.
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Ferlazzo N, Currò M, Zinellu A, Caccamo D, Isola G, Ventura V, Carru C, Matarese G, Ientile R. Influence of MTHFR Genetic Background on p16 and MGMT Methylation in Oral Squamous Cell Cancer. Int J Mol Sci 2017; 18:ijms18040724. [PMID: 28353639 PMCID: PMC5412310 DOI: 10.3390/ijms18040724] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 03/25/2017] [Accepted: 03/27/2017] [Indexed: 02/07/2023] Open
Abstract
Genetic polymorphisms of the methylenetetrahydrofolate reductase (MTHFR) enzyme may influence DNA methylation. Alterations in DNA methylation patterns of genes involved in the regulation of the cell cycle, DNA repair, cell adherence and metastasis process are known to contribute to cancer development. In this study, the influence of the MTHFR C677T and A1298C gene polymorphisms on global DNA methylation and site-specific methylation on p16 and O⁶-methylguanine-DNA methyltransferase (MGMT) gene promoters was investigated in patients with oral squamous cell cancer (OSCC). To this aim, methylation studies were carried out by using genomic DNA isolated from saliva samples of 58 OSCC patients and 90 healthy controls. The frequency of the CT/AC and TT/AA genotypes was significantly higher in patients than in controls. Whereas no difference in global DNA methylation levels was observed between patients and controls, a higher frequency of methylation at both p16 and MGMT gene promoters was detected in patients compared with controls. A significant association between MTHFR gene polymorphisms and p16 and MGMT gene promoter methylation was found. The frequency of p16 and MGMT methylation was around 60% in patients with either the CT/AC or TT/AA genotype. Our results suggest that hypermethylation of cancer-related genes may be affected by MTHFR polymorphisms.
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Affiliation(s)
- Nadia Ferlazzo
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98124 Messina, Italy.
| | - Monica Currò
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98124 Messina, Italy.
| | - Angelo Zinellu
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy.
| | - Daniela Caccamo
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98124 Messina, Italy.
| | - Gaetano Isola
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98124 Messina, Italy.
| | - Valeria Ventura
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98124 Messina, Italy.
| | - Ciriaco Carru
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy.
- Control Quality Unit, University Hospital of Sassari (AOU), 07100 Sassari, Italy.
| | - Giovanni Matarese
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98124 Messina, Italy.
| | - Riccardo Ientile
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98124 Messina, Italy.
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Methylenetetrahydrofolate Reductase C677T Polymorphism and Risk for Male Infertility in Asian Population. Indian J Clin Biochem 2017; 32:253-260. [PMID: 28811683 DOI: 10.1007/s12291-017-0640-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Accepted: 01/24/2017] [Indexed: 12/18/2022]
Abstract
Methylenetetrahydrofolate reductase (MTHFR) is a critical enzyme of folate pathway and required for DNA synthesis and methylation. MTHFE C677T polymorphisms is reported as risk factors for various diseases and disorders like birth defects, metabolic, neurological, psychiatric disorders, and cancers. Several studies have investigated association between the MTHFR C677T polymorphism and male infertility. To assess the risk associated with MTHFR C677T polymorphism in Asian population, a meta-analysis was performed. Included articles were collected from the following electronic databases: PubMed, Google Scholar, and Science direct up to March 2015. Risk was estimated as pooled odds ratios (ORs) with confidence intervals (CIs) for assessment. Seventeen case-control studies involving 4392 breast infertile males and 3667 fertile males were found suitable for the inclusion in the present meta-analysis. Results showed that the C677T polymorphism was significantly associated with male infertility in Asian population using all the five genetic models (ORT vs. C (allele contrast model) = 1.86, 95% CI 1.7-2.0; ORTT vs. CC (homozygote model) = 1.96, 95% CI 1.67-2.30; ORCT vs. CC (co-dominant model) = 1.40, 95% CI 1.18-1.62; ORTT+CT vs. CC (dominant model) = 1.53, 95% CI 1.30-1.77; ORTT vs. CT+CC (recessive model) = 1.67, 95% CI 1.44-1.92). In conclusion, results of present meta-analysis strongly supported an association between C677T polymorphism and male infertility in Asians.
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Null association of maternal MTHFR A1298C polymorphism with Down syndrome pregnancy: An updated meta-analysis. EGYPTIAN JOURNAL OF MEDICAL HUMAN GENETICS 2017. [DOI: 10.1016/j.ejmhg.2016.04.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
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Lin VC, Lu TL, Yin HL, Yang SF, Lee YC, Liu CC, Huang CY, Yu CC, Chang TY, Huang SP, Bao BY. Prognostic Relevance of Methylenetetrahydrofolate Reductase Polymorphisms for Prostate Cancer. Int J Mol Sci 2016; 17:E1996. [PMID: 27916838 PMCID: PMC5187796 DOI: 10.3390/ijms17121996] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 11/18/2016] [Accepted: 11/24/2016] [Indexed: 01/03/2023] Open
Abstract
Folate metabolism has been associated with cancers via alterations in nucleotide synthesis, DNA methylation, and DNA repair. We hypothesized that genetic variants in methylenetetrahydrofolate reductase (MTHFR), a key enzyme of folate metabolism, would affect the prognosis of prostate cancer. Three haplotype-tagging single-nucleotide polymorphisms (SNPs) across the MTHFR gene region were genotyped in a cohort of 458 patients with clinically localized prostate cancer treated with radical prostatectomy. One SNP, rs9651118, was associated with disease recurrence, and the association persisted after multivariate analyses adjusting for known risk factors. Public dataset analyses suggested that rs9651118 affects MTHFR expression. Quantitative real-time polymerase chain reaction analysis revealed that MTHFR expression is significantly upregulated in prostate tumor tissues when compared with adjacent normal tissues. Furthermore, overexpression of MTHFR correlates with cancer recurrence and death in two independent publicly available prostate cancer datasets. In conclusion, our data provide rationale to further validate the clinical utility of MTHFR rs9651118 as a biomarker for prognosis in prostate cancer.
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Affiliation(s)
- Victor C Lin
- Department of Urology, E-Da Hospital, Kaohsiung 824, Taiwan.
- School of Medicine for International Students, I-Shou University, Kaohsiung 840, Taiwan.
| | - Te-Ling Lu
- Department of Pharmacy, China Medical University, Taichung 404, Taiwan.
| | - Hsin-Ling Yin
- Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
- Department of Pathology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Sheau-Fang Yang
- Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
- Department of Pathology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Yung-Chin Lee
- Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
- Department of Urology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Chia-Chu Liu
- Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
- Department of Urology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Chao-Yuan Huang
- Department of Urology, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei 100, Taiwan.
- Department of Urology, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu 300, Taiwan.
| | - Chia-Cheng Yu
- Division of Urology, Department of Surgery, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan.
- Department of Urology, School of Medicine, National Yang-Ming University, Taipei 112, Taiwan.
- Department of Pharmacy, Tajen University, Pingtung 907, Taiwan.
| | - Ta-Yuan Chang
- Department of Occupational Safety and Health, China Medical University, Taichung 404, Taiwan.
| | - Shu-Pin Huang
- Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
- Department of Urology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Bo-Ying Bao
- Department of Pharmacy, China Medical University, Taichung 404, Taiwan.
- Sex Hormone Research Center, China Medical University Hospital, Taichung 404, Taiwan.
- Department of Nursing, Asia University, Taichung 413, Taiwan.
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Qu J, Usui H, Kaku H, Shozu M. Presence of the methylenetetrahydrofolate reductase gene polymorphism MTHFR C677T in molar tissue but not maternal blood predicts failure of methotrexate treatment for low-risk gestational trophoblastic neoplasia. Eur J Pharmacol 2016; 794:85-91. [PMID: 27840191 DOI: 10.1016/j.ejphar.2016.11.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Revised: 11/03/2016] [Accepted: 11/04/2016] [Indexed: 12/29/2022]
Abstract
Gestational trophoblastic neoplasia (GTN) is a rare tumor, and its genomic constitution is different from the maternal genome because of its gestational origin. Methotrexate (MTX) is a standard chemotherapeutic agent for low-risk GTN. An association between polymorphisms of the methylenetetrahydrofolate reductase (MTHFR) gene and MTX treatment outcome has been reported in various diseases. Thus, we examined the association between clinical outcome and MTHFR polymorphisms in both tumor and blood DNA of low-risk GTN patients. MTHFR C677T (rs1801133) and A1298C (rs1801131) were genotyped using high-resolution melting assays in 62 Japanese low-risk GTN patients and in 52 antecedent molar tissues. We compared the genotypes of MTHFR polymorphisms with the clinical outcome of 5-day MTX treatment. Twenty-five patients entered remission and 37 patients developed drug resistance or adverse effects that necessitated a drug change. The MTHFR 677T allele in molar tissue was significantly related to the need for drug change (P=0.006; odds ratio [OR], 3.13; 95% confidence interval [CI], 1.31-7.49), in contrast to MTHFR 1298C (P=0.18; OR, 0.63; 95% CI, 0.32-1.25). The MTHFR 677T and 1298C alleles obtained from patients' blood DNA were not related to MTX treatment outcome (P=0.49; OR 1.31; 95% CI, 0.61-2.91 and P=0.10; OR 0.52; 95% CI, 0.22-1.15, respectively). These data demonstrate for the first time that the genotype of MTHFR 677TT in molar tissue is associated with ineffective MTX treatment in Japanese low-risk GTN patients.
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Affiliation(s)
- Jia Qu
- Department of Reproductive Medicine, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo, Chiba 260-8670, Japan.
| | - Hirokazu Usui
- Department of Reproductive Medicine, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo, Chiba 260-8670, Japan.
| | - Hiroshi Kaku
- Department of Reproductive Medicine, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo, Chiba 260-8670, Japan.
| | - Makio Shozu
- Department of Reproductive Medicine, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo, Chiba 260-8670, Japan.
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Suner A, Buyukhatipoglu H, Aktas G, Kus T, Ulasli M, Oztuzcu S, Kalender ME, Sevinc A, Kul S, Camci C. Polymorphisms in the MTHFR gene are associated with recurrence risk in lymph node-positive breast cancer patients. Onco Targets Ther 2016; 9:5603-9. [PMID: 27672331 PMCID: PMC5024764 DOI: 10.2147/ott.s104890] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Purpose The aim of this study is to clarify the relationship between recurrence risk of breast cancer and methylenetetrahydrofolate reductase (MTHFR) C677T polymorphisms. Patients and methods Breast cancer patients who had undergone surgery in Gaziantep University Oncology Hospital between June 2005 and June 2012 were followed-up and retrospectively enrolled in this study. Blood samples were collected from all patients to assess MTHFR C677T polymorphisms. Stage according to tumor–node–metastasis system, estrogen receptor, progesterone receptor, human epidermal growth factor receptor 2 status, grade of disease, menopausal status, and administered chemotherapy or hormonal therapy were recorded. Effects of these parameters on recurrence risk were evaluated using univariate analysis and multivariate binary logistic regression model. Results Association of MTHFR C677T polymorphisms with recurrence risk was evaluated in 298 patients whose median age was 47 years (range: 21–79 years). In all patients, age (odds ratio [OR] =0.953, P=0.005) and N3 lymph node status (OR =6.293, P=0.001) were found to affect the recurrence risk. While MTHFR homozygote genotype did not have an effect on recurrence risk in all patients, increased risk was observed in lymph node-positive subgroup (OR =4.271; 95% CI 1.515–12.023; P=0.006). Adjusting for age, tumor size (T), and node status (N), MTHFR homozygote genotype had more statistically significant risk for recurrence (OR =3.255; 95% CI 1.047–10.125; P=0.041). Conclusion MTHFR TT genotype was found to be associated with increased recurrence risk in patients with lymph node-positive breast cancer.
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Affiliation(s)
- Ali Suner
- Division of Medical Oncology, Department of Internal Medicine, Gaziantep Oncology Hospital, University of Gaziantep, Gaziantep, Turkey
| | - Hakan Buyukhatipoglu
- Division of Medical Oncology, Department of Internal Medicine, Gaziantep Oncology Hospital, University of Gaziantep, Gaziantep, Turkey
| | - Gokmen Aktas
- Division of Medical Oncology, Department of Internal Medicine, Gaziantep Oncology Hospital, University of Gaziantep, Gaziantep, Turkey
| | - Tulay Kus
- Division of Medical Oncology, Department of Internal Medicine, Gaziantep Oncology Hospital, University of Gaziantep, Gaziantep, Turkey
| | - Mustafa Ulasli
- Department of Medical Biology, Faculty of Medicine, University of Gaziantep, Gaziantep, Turkey
| | - Serdar Oztuzcu
- Department of Medical Biology, Faculty of Medicine, University of Gaziantep, Gaziantep, Turkey
| | - Mehmet Emin Kalender
- Division of Medical Oncology, Department of Internal Medicine, Gaziantep Oncology Hospital, University of Gaziantep, Gaziantep, Turkey
| | - Alper Sevinc
- Division of Medical Oncology, Department of Internal Medicine, Gaziantep Oncology Hospital, University of Gaziantep, Gaziantep, Turkey
| | - Seval Kul
- Department of Biostatistics, Faculty of Medicine, University of Gaziantep, Gaziantep, Turkey
| | - Celaletdin Camci
- Division of Medical Oncology, Department of Internal Medicine, Gaziantep Oncology Hospital, University of Gaziantep, Gaziantep, Turkey
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29
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Population-level diversity in the association of genetic polymorphisms of one-carbon metabolism with breast cancer risk. J Community Genet 2016; 7:279-290. [PMID: 27541683 DOI: 10.1007/s12687-016-0277-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Accepted: 08/08/2016] [Indexed: 01/01/2023] Open
Abstract
Aberrations in one-carbon metabolism were reported to increase breast cancer risk by influencing the DNA synthesis and methylation of DNA and catecholamines. However, the results of these association studies remain inconclusive. We have explored the contribution of eight genetic polymorphisms in modulating the susceptibility to breast cancer by performing a meta-analysis of worldwide studies. In total, 62 case-control studies representing 17 different populations involving 18,117 breast cancer cases and 23,573 healthy controls were included in this meta-analysis. Out of the eight polymorphisms analyzed, methylenetetrahydrofolate reductase (MTHFR) C677T exhibited positive association with the breast cancer risk in both fixed effects (OR 1.14, 95 % CI 1.10-1.17) and random effects (OR 1.10, 95 % CI 1.02-1.18) models. Solute carrier family 19 (folate transporter), member 1 (SLC19A1) G80A exhibited positive association (OR 1.16, 95 % CI 1.03-1.31) while MTR A2756G exhibited an inverse association (OR 0.78, 95 % CI 0.75-0.82) with the breast in fixed effect model alone. Significant heterogeneity was observed in the association of MTHFR C677T with breast cancer even between studies from the same geographical area, specifically among Chinese, Indians, and Turks. Subgroup analysis revealed MTHFR C677T-mediated breast cancer risk in post-menopausal women and women with low dietary intake of folate. Geographical area wise segregation of data revealed MTHFR-mediated increased breast cancer risk in populations who consume methionine-rich diet. Altitude-level variations were observed in the association of SHMT1 C1420T with breast cancer. India and Brazil of same altitude showed an inverse association with this polymorphism, while USA and China that share similar altitude showed a null association. MTHFR C677T and SLC19A1 G80A are the two polymorphisms of one-carbon metabolic pathway that increase breast cancer in the worldwide population. Dietary patterns and altitudinal variations are the likely risk modulators that are contributing toward ethnic- and population-level variations in genetic associations.
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Kaya EF, Karakus N, Ulusoy AN, Özaslan C, Kara N. Association of the MTHFR Gene C677T Polymorphism with Breast Cancer in a Turkish Population. Oncol Res Treat 2016; 39:534-8. [PMID: 27614738 DOI: 10.1159/000448084] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Accepted: 06/20/2016] [Indexed: 11/19/2022]
Abstract
BACKGROUND Breast cancer is the most common cancer among women. 1 in every 8 women in the United States have a lifetime risk of getting breast cancer. MTHFR is a key enzyme that regulates the folate metabolism which has an important role in DNA synthesis, repair, and methylation. The aim of the current study was to analyze the association between the MTHFR gene C677T (Ala222Val, rs1801133) polymorphism and breast cancer. PATIENTS AND METHODS 199 breast cancer patients and 195 healthy controls were included in this study. The MTHFR gene C677T polymorphism was analyzed using polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP) methods. A meta-analysis including 707 breast cancer patients and 880 controls from Turkish populations was also carried out. Statistical analyses were performed using the χ2 test. RESULTS No statistically significant differences in allele and genotype frequencies were observed between patients and controls (p > 0.05). Although not statistically significant, TT homozygous variants were encountered more frequently in patients than in controls. A statistically significant association was observed between the MTHFR gene C677T polymorphism and the tumor histology of breast cancer patients (p = 0.038). The results of the meta-analysis suggested that there was a high association between breast cancer and the MTHFR gene C677T polymorphism in Turkish populations (p < 0.0001). CONCLUSION In our study, we did not find any association between the MTHFR gene C677T polymorphism and breast cancer. However, a meta-analysis of the 6 association studies carried out in Turkish populations with 707 patients and 880 controls showed a significant association between breast cancer and the MTHFR gene C677T polymorphism.
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Affiliation(s)
- Emir F Kaya
- Alacam State Hospital, General Surgery Clinics, Samsun, Turkey
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31
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Corbin JM, Ruiz-Echevarría MJ. One-Carbon Metabolism in Prostate Cancer: The Role of Androgen Signaling. Int J Mol Sci 2016; 17:E1208. [PMID: 27472325 PMCID: PMC5000606 DOI: 10.3390/ijms17081208] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 07/16/2016] [Accepted: 07/18/2016] [Indexed: 01/06/2023] Open
Abstract
Cancer cell metabolism differs significantly from the metabolism of non-transformed cells. This altered metabolic reprogramming mediates changes in the uptake and use of nutrients that permit high rates of proliferation, growth, and survival. The androgen receptor (AR) plays an essential role in the establishment and progression of prostate cancer (PCa), and in the metabolic adaptation that takes place during this progression. In its role as a transcription factor, the AR directly affects the expression of several effectors and regulators of essential catabolic and biosynthetic pathways. Indirectly, as a modulator of the one-carbon metabolism, the AR can affect epigenetic processes, DNA metabolism, and redox balance, all of which are important factors in tumorigenesis. In this review, we focus on the role of AR-signaling on one-carbon metabolism in tumorigenesis. Clinical implications of one-carbon metabolism and AR-targeted therapies for PCa are discussed in this context.
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Affiliation(s)
- Joshua M Corbin
- Department of Pathology, Oklahoma University Health Sciences Center, Oklahoma City, OK 73104, USA.
| | - Maria J Ruiz-Echevarría
- Department of Pathology, Oklahoma University Health Sciences Center and Stephenson Cancer Center, Oklahoma City, OK 73104, USA.
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32
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Bijlsma N, Cohen MM. Environmental Chemical Assessment in Clinical Practice: Unveiling the Elephant in the Room. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:181. [PMID: 26848668 PMCID: PMC4772201 DOI: 10.3390/ijerph13020181] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 01/19/2016] [Accepted: 01/27/2016] [Indexed: 02/06/2023]
Abstract
A growing body of evidence suggests chemicals present in air, water, soil, food, building materials and household products are toxicants that contribute to the many chronic diseases typically seen in routine medical practice. Yet, despite calls from numerous organisations to provide clinicians with more training and awareness in environmental health, there are multiple barriers to the clinical assessment of toxic environmental exposures. Recent developments in the fields of systems biology, innovative breakthroughs in biomedical research encompassing the "-omics" fields, and advances in mobile sensing, peer-to-peer networks and big data, provide tools that future clinicians can use to assess environmental chemical exposures in their patients. There is also a need for concerted action at all levels, including actions by individual patients, clinicians, medical educators, regulators, government and non-government organisations, corporations and the wider civil society, to understand the "exposome" and minimise the extent of toxic exposures on current and future generations. Clinical environmental chemical risk assessment may provide a bridge between multiple disciplines that uses new technologies to herald in a new era in personalised medicine that unites clinicians, patients and civil society in the quest to understand and master the links between the environment and human health.
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Affiliation(s)
- Nicole Bijlsma
- School of Health Sciences, RMIT University, Bundoora, Victoria 3083, Australia.
| | - Marc M Cohen
- School of Health Sciences, RMIT University, Bundoora, Victoria 3083, Australia.
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