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Omran MH, Fotouh BE, Shousha WG, Ismail A, Ibrahim NE, Ramadan SS. Strong Correlation of MTHFR Gene Polymorphisms with Breast Cancer and its Prognostic Clinical Factors among Egyptian Females. Asian Pac J Cancer Prev 2021; 22:617-626. [PMID: 33639682 PMCID: PMC8190368 DOI: 10.31557/apjcp.2021.22.2.617] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Indexed: 12/18/2022] Open
Abstract
Introduction: Globally, Breast cancer (BC) is considered the second most common type of cancer and the principal cause of death among affected women. Aim: In this study, we targeted to demonstrate the association of MTHFR single gene polymorphisms (SNPs) with the susceptibility of breast cancer, in addition to its correlation with the clinical patient features. Patients and Methods: This work was conducted on 100 Egyptian females with breast cancer and 60 healthy matched controls. Clinical examinations and pathological investigations were recorded. Genotyping of MTHFR polymorphisms C677T (rs1801133) and A1298C (rs1801131) by using Restriction Fragment length Polymorphisms (RFLP) and Sequencing assays were performed. Univariate, Multivariate and Haplotype analysis for the allelic frequencies and the association with clinicopathological features of BC were assessed. Results: The present data showed a strong significant association between the CT and TT of MTHFR (C677T), and AC and CC of (A1289C) with the susceptibility of BC showing highly statistical P- value (0.001). It was also demonstrated that the most frequent haplotype of the two loci of MTHFR (rs1801133-rs1801131) was TC. The latter was strongly associated with the aggressive clinical features of each of tumor size, advanced stage, involvement of cancer in lymph nodes, overexpression of HER2neu and dual negativity of both ER and PR hormones. Conclusions: SNPs within the MTHFR gene (C677T) and (A1289C) have strong correlation with BC among Egyptian females; These SNPs should be considered as important prognostic markers for identifying the individuals at high risk of developing BC and its progression.
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Affiliation(s)
- Moataza H Omran
- Department of Microbial Biotechnology, Genetic Engineering Division, National Research Centre, Cairo, Egypt
| | - Basma E Fotouh
- Department of Microbial Biotechnology, Genetic Engineering Division, National Research Centre, Cairo, Egypt
| | - Wafaa G Shousha
- Department of Chemistry, Faculty of Science, Helwan University, Cairo, Egypt
| | - Abeer Ismail
- Department of Clinical and Chemical Pathology, National Cancer Institute, Cairo University, Giza, Egypt
| | - Noha E Ibrahim
- Department of Microbial Biotechnology, Genetic Engineering Division, National Research Centre, Cairo, Egypt
| | - Shimaa S Ramadan
- Department of Chemistry, Faculty of Science, Helwan University, Cairo, Egypt
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Li CX, Liu YG, Che YP, Ou JL, Ruan WC, Yu YL, Li HF. Association Between MTHFR C677T Polymorphism and Susceptibility to Autism Spectrum Disorders: A Meta-Analysis in Chinese Han Population. Front Pediatr 2021; 9:598805. [PMID: 33777860 PMCID: PMC7987783 DOI: 10.3389/fped.2021.598805] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 01/08/2021] [Indexed: 12/22/2022] Open
Abstract
Prior studies have examined the influence of MTHFR C677T on autism susceptibility, however, there are no consensus conclusions and specific analyses of a Chinese population. This meta-analysis included a false-positive report probability (FPRP) test to comprehensively evaluate the association of MTHFR C677T polymorphism with autism susceptibility among a Chinese Han population. A large-scale literature retrieval was conducted using various databases including PubMed, Embase, Wan Fang, and the Chinese National Knowledge Infrastructure (CNKI) up to July 31, 2020, with a total of 2,258 cases and 2,073 controls included. The strength of correlation was assessed by odds ratios (ORs) and 95% confidence intervals (95% CIs). MTHFR C677T showed a significant correlation with increased ASD susceptibility under all genetic models (T vs. C, OR = 1.89, 95% CI 1.28 to 2.79; TT vs. CC: OR = 2.44, 95% CI 1.43 to 4.15; CT vs. CC, OR = 1.73; 95% CI 1.19 to 2.51; CT + TT vs. CC: OR = 2.03, 95% CI 1.31 to 3.15; TT vs. CT + CC, OR = 1.95, 95% CI 1.21 to 3.13). Stratification analysis by region also revealed a consistent association in the Northern Han subgroup, but not in the Southern Han subgroup. Pooled minor allele frequency (MAF) of 30 studies were 45% in Northern Han and 39% in Southern Han. To avoid a possible "false positive report," we further investigated the significant associations observed in the present meta-analysis using the FPRP test, which consolidated the results. In conclusion, MTHFR C677T polymorphism is associated with the increased risk of autism in China, especially in Northern Han. For those mothers and children who are generally susceptible to autism, prenatal folate and vitamin B12 may reduce the risk that children suffer from autism, especially in Northern Han populations. In the future, more well-designed studies with a larger sample size are expected.
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Affiliation(s)
- Chen-Xi Li
- Department of Rehabilitation, the Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Yi-Guang Liu
- Department of Linguistics, Zhejiang University, Hangzhou, China
| | - Yue-Ping Che
- Department of Rehabilitation, the Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Jian-Lin Ou
- Department of Rehabilitation Medicine, the First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Wen-Cong Ruan
- Department of Rehabilitation, the Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Yong-Lin Yu
- Department of Rehabilitation, the Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Hai-Feng Li
- Department of Rehabilitation, the Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
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Mazloomi S, Alimohammadi S, Khodadadi I, Ghiasvand T, Shafiee G. Evaluation of methylenetetrahydrofolate reductase (MTHFR) activity and the levels of homocysteine and malondialdehyde (MDA) in the serum of women with preeclampsia. Clin Exp Hypertens 2020; 42:590-594. [DOI: 10.1080/10641963.2020.1739700] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Sahar Mazloomi
- Department of Clinical Biochemistry, School of Medicine, Hamadan University of Medical Sciences , Hamadan, Iran
| | - Shohreh Alimohammadi
- Department of Obstetrics and Gynecology, School of Medicine, Fatemieh Hospital, Hamadan University of Medical Sciences , Hamadan, Iran
| | - Iraj Khodadadi
- Department of Clinical Biochemistry, School of Medicine, Hamadan University of Medical Sciences , Hamadan, Iran
| | - Tayebeh Ghiasvand
- Department of Clinical Biochemistry, School of Medicine, Hamadan University of Medical Sciences , Hamadan, Iran
| | - Gholamreza Shafiee
- Department of Clinical Biochemistry, School of Medicine, Nutrition Health Research Center, Hamadan University of Medical Sciences , Hamadan, Iran
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Nie F, Yu M, Zhang K, Yang L, Zhang Q, Liu S, Liu M, Shang M, Zeng F, Liu W. Association of MTHFR gene polymorphisms with pancreatic cancer: meta-analysis of 17 case-control studies. Int J Clin Oncol 2019; 25:312-321. [PMID: 31701291 DOI: 10.1007/s10147-019-01571-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 10/29/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND Pancreatic cancer (PC) is a seriously malignant tumor with a low 5-year survival rate. The relationship between methylenetetrahydrofolate reductase (MTHFR) gene polymorphisms and PC has been reported by several studies. However, the results were controversial. Thus, we conducted a meta-analysis to summarize available data on MTHFR gene and PC. METHODS We searched PubMed, Embase, Web of Science, Wanfang, CNKI databases prior to July 2019. Data were analyzed by RevMan 5.3 and STATA 12.0 software. Odds ratio (OR) and 95% confidence interval (CI) were used to evaluate the strength of the association. Subgroup analysis, sensitivity analysis and assessment of publication bias were performed in this study. RESULTS Ten articles with 17 reports (10 for C677T, 7 for A1298C) were eligible for inclusion in the meta-analysis (1864 cases and 3165 controls for C677T, and 1488 cases and 1946 controls for A1298C). Our meta-analysis detected that C677T was associated with PC for three genetic models (allele model: OR = 1.24, 95% CI: 1.00-1.53, P = 0.047; recessive model: OR = 1.39, 95% CI: 1.04-1.86, P = 0.027; homozygous model: OR = 1.60, 95% CI: 1.04-2.45, P = 0.034). In the stratified analyses according to ethnicity, source of controls and genotyping method, significant association was observed in genotyping method subgroup. For the A1298C polymorphism, no significant association was observed either in overall analysis or in subgroup analysis under all genetic models. CONCLUSIONS MTHFR gene C677T rather than A1298C polymorphism may be associated with PC. Larger sample size studies should be performed to find the association between MTHFR gene and PC.
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Affiliation(s)
- Fangfang Nie
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, People's Republic of China
| | - Mingli Yu
- Department of Social Medicine, School of Public Health, China Medical University, Shenyang, China
| | - Kaili Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, People's Republic of China
| | - Luping Yang
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, People's Republic of China
| | - Qian Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, People's Republic of China
| | - Shan Liu
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, People's Republic of China
| | - Mengwei Liu
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, People's Republic of China
| | - Mengke Shang
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, People's Republic of China
| | - Fanxin Zeng
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, People's Republic of China
| | - Wanyang Liu
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, People's Republic of China.
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