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Wei J, Wang T, Song X, Liu Y, Shu J, Sun M, Diao J, Li J, Li Y, Chen L, Zhang S, Huang P, Qin J. Association of maternal methionine synthase reductase gene polymorphisms with the risk of congenital heart disease in offspring: a hospital-based case-control study. J Matern Fetal Neonatal Med 2023; 36:2211201. [PMID: 37183022 DOI: 10.1080/14767058.2023.2211201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
BACKGROUND Evidence suggests that periconceptional folic acid supplementation may prevent congenital heart disease (CHD). Methionine synthase reductase (MTRR) is one of the key regulatory enzymes in the folate metabolic pathway. This study aimed to comprehensively evaluate the association of single nucleotide polymorphisms (SNPs) in the maternal MTRR gene with CHD risk in offspring. METHODS A hospital-based case-control study involving 740 mothers of CHD cases and 683 health controls was conducted. RESULTS The study showed that maternal MTRR gene polymorphisms at rs1532268 (C/T vs. C/C: aOR = 1.524; T/T vs. C/C: aOR = 3.178), rs1802059 (G/A vs. G/G: aOR = 1.410; A/A vs. G/G: aOR = 3.953), rs2287779 (G/A vs. G/G: aOR = 0.540), rs16879334 (C/G vs. C/C: aOR = 0.454), and rs2303080 (T/A vs. T/T: aOR = 0.546) were associated with the risk of CHD. And seven haplotypes were observed to be associated with the risk of CHD, T-G-A haplotype (OR = 1.298), C-A-C-C (OR = 4.824) and A-G haplotype (OR = 1.751) were associated with increased risk of CHD in offspring; A-A-A (OR = 0.773), T-A-A (OR = 0.557), G-A-C-C (OR = 0.598) and G-C (OR = 0.740) were associated with decreased risk of CHD in offspring. CONCLUSIONS Maternal MTRR gene polymorphisms were associated with CHD in offspring, and its haplotypes have affected the occurrence of CHD. Furthermore, given the complexity and heterogeneity of CHD, the mechanisms by which these factors influence offspring cardiac development remain unknown, and studies in larger samples in an ethnically diverse population are needed.
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Affiliation(s)
- Jianhui Wei
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Tingting Wang
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
- Hunan Provincial Maternal and Child Health Care Hospital, Changsha, China
| | - Xinli Song
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Yiping Liu
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Jing Shu
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Mengting Sun
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Jingyi Diao
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Jingqi Li
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Yihuan Li
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Letao Chen
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Senmao Zhang
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Peng Huang
- Hunan Children's Hospital, Changsha, China
| | - Jiabi Qin
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
- Hunan Provincial Maternal and Child Health Care Hospital, Changsha, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, China
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A Common Polymorphism in the MTHFD1 Gene Is a Modulator of Risk of Congenital Heart Disease. J Cardiovasc Dev Dis 2022; 9:jcdd9060166. [PMID: 35735795 PMCID: PMC9224796 DOI: 10.3390/jcdd9060166] [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: 04/13/2022] [Revised: 05/19/2022] [Accepted: 05/20/2022] [Indexed: 02/05/2023] Open
Abstract
Several environmental and genetic factors may influence the risk of congenital heart defects (CHDs), which can have a substantial impact on pediatric morbidity and mortality. We investigated the association of polymorphisms in the genes of the folate and methionine pathways with CHDs using different strategies: a case–control, mother–child pair design, and a family-based association study. The polymorphism rs2236225 in the MTHFD1 was confirmed as an important modulator of CHD risk in both, whereas polymorphisms in MTRR, FPGS, and SLC19A1 were identified as risk factors in only one of the models. A strong synergistic effect on the development of CHDs was detected for MTHFD1 polymorphism and a lack of maternal folate supplementation during early pregnancy. A common polymorphism in the MTHFD1 is a genetic risk factor for the development of CHD, especially in the absence of folate supplementation in early pregnancy.
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Congenital heart defects among Down’s syndrome cases: an updated review from basic research to an emerging diagnostics technology and genetic counselling. J Genet 2021. [DOI: 10.1007/s12041-021-01296-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Riboflavin intake, MTRR genetic polymorphism (rs1532268) and gastric cancer risk in a Korean population: a case-control study. Br J Nutr 2021; 127:1026-1033. [PMID: 34078503 DOI: 10.1017/s0007114521001811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The vitamin B group, including riboflavin, plays paramount roles in one-carbon metabolism (OCM), and disorders related to this pathway have been linked to cancer development. The variants of genes encoding OCM enzymes and the insufficiency of B vitamins could contribute to carcinogenesis. Very few observational studies have revealed a relationship between riboflavin and gastric cancer (GC), especially under conditions of modified genetic factors. We carried out a study examining the association of riboflavin intake and its interaction with MTRR (rs1532268) genetic variants with GC risk among 756 controls and 377 cases. The OR and 95 % CI were evaluated using unconditional logistic regression models. We observed protective effects of riboflavin intake against GC, particularly in the female subgroup (OR = 0·52, 95 % CI 0·28, 0·97, Ptrend = 0·031). In the MTRR (rs1532268) genotypes analysis, the dominant model showed that the effects of riboflavin differed between the CC and CT + TT genotypes. Compared with CC carriers, low riboflavin intake in T+ carriers was significantly associated with a 93 % higher GC risk (OR = 1·93, 95 % CI 1·09, 3·42, Pinteraction = 0·037). In general, higher riboflavin intake might help reduce the risk of GC in both CC and TC + TT carriers, particularly the T+ carriers, with marginal significance (OR = 0·54, 95 % CI 0·28, 1·02, Pinteraction = 0·037). Our study indicates a protective effect of riboflavin intake against GC. Those who carry at least one minor allele and have low riboflavin intake could modify this association to increase GC risk in the Korean population.
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Peng Q, Liao S, He Y, Liang L, Su X, Rao C, Li W, Li S, Lu X. A molecular-beacon-based asymmetric PCR assay for detecting polymorphisms related to folate metabolism. J Clin Lab Anal 2020; 34:e23337. [PMID: 32410296 PMCID: PMC7439423 DOI: 10.1002/jcla.23337] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/04/2020] [Accepted: 03/21/2020] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Polymorphisms (rs1801133 or C677T; rs1801131 or A1298C) of the MTHFR gene and rs1801394 (A66G) of the MTRR gene are important genetic determinants of folate metabolism. A convenient, sensitive, and reliable method is required to detect polymorphisms for the precise supplementation of folate. METHODS A rapid detection method based on molecular beacon probes that can detect rs1801133, rs1801131, and rs1801394 simultaneously was developed in this study. Specific primers and probes were designed, and the amplification system and conditions were optimized. We applied our method to a group of 500 unrelated women of gestational age in the Dongguan region of Guangdong Province in China. The clinical performance of this assay was evaluated by testing 94 samples in comparison with Sanger sequencing. RESULTS The molecular-beacon-based PCR assay we established is extremely sensitive, with a detection limit of 2 ng/μL of genomic DNA, and validated by direct sequencing in a blind study with 100% concordance. CONCLUSION The results demonstrate that our molecular-beacon-based asymmetric PCR assay is an easy, reliable, high-yield, and cost-effective method for the simultaneous detection of three polymorphisms related to folate metabolism. It could help evaluate the risk of perinatal-neonatal neural tube malformation, pregnancy hypertension, and other diseases and guide the individualized supplementation of folic acid. Data on the spectrum of mutations in the Dongguan District in this study are beneficial for guiding the supplementation of folic acid.
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Affiliation(s)
- Qi Peng
- Department of Medical and Molecular Genetics, Dongguan Institute of Pediatrics, Dongguan, China.,Medical Laboratory, Dongguan Eighth People's Hospital, Dongguan, China.,Key Laboratory for Children's Genetics and Infectious Diseases of Dongguan City, Dongguan, China
| | - Shengbin Liao
- Shenzhen Yilifang Biological Co., Ltd., Shenzhen, China
| | - Yuejing He
- Medical Laboratory, Dongguan Eighth People's Hospital, Dongguan, China
| | - Liyun Liang
- Medical Laboratory, Dongguan Eighth People's Hospital, Dongguan, China
| | - Xiaohua Su
- Medical Laboratory, Dongguan Eighth People's Hospital, Dongguan, China
| | - Chunbao Rao
- Department of Medical and Molecular Genetics, Dongguan Institute of Pediatrics, Dongguan, China.,Key Laboratory for Children's Genetics and Infectious Diseases of Dongguan City, Dongguan, China
| | - Wenrui Li
- Medical Laboratory, Dongguan Eighth People's Hospital, Dongguan, China
| | - Siping Li
- Department of Medical and Molecular Genetics, Dongguan Institute of Pediatrics, Dongguan, China.,Medical Laboratory, Dongguan Eighth People's Hospital, Dongguan, China.,Key Laboratory for Children's Genetics and Infectious Diseases of Dongguan City, Dongguan, China
| | - Xiaomei Lu
- Department of Medical and Molecular Genetics, Dongguan Institute of Pediatrics, Dongguan, China.,Medical Laboratory, Dongguan Eighth People's Hospital, Dongguan, China.,Key Laboratory for Children's Genetics and Infectious Diseases of Dongguan City, Dongguan, China
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Analysis of MTR and MTRR Gene Polymorphisms in Chinese Patients With Ventricular Septal Defect. Appl Immunohistochem Mol Morphol 2019; 26:769-774. [PMID: 29293099 PMCID: PMC6250295 DOI: 10.1097/pai.0000000000000512] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Background: Congenital heart defects (CHDs) are the most common birth defects and ventricular septal defects (VSDs) are one of the most common types of CHDs. Genes involved in homocysteine/folate metabolism may play important roles in CHDs. Methionine synthase and methionine synthase reductase (MTRR) are key regulatory enzymes involved in the metabolic pathway of homocysteine. Methods: We investigated whether a polymorphism (A2756G) of the methionine synthase and 2 polymorphisms (A66G and C524T) of the MTRR gene are associated with VSDs. A total of 183 children with VSDs and 201 healthy children were studied. Results: The polymorphisms were detected by polymerase chain reaction amplification and sequencing of the amplified product. Significant differences in the distributions of the A66G and C524T alleles were observed between VSD cases and controls, and a slightly increased risk of VSDs was associated with either of the 66AG, 524CT, and 524TT genotypes [odds ratios (OR)=1.796, 1.909, and 2.088, respectively]. The genotype frequency of 66AG in VSDs patients was significantly different from those of controls (ORs=3.147). In addition, the combined 66AG/524CT and 66GG/524TT in VSDs had ORs 2.937 and 5.344, respectively. Conclusions: MTRR A66G and C524T polymorphisms are associated with increased risk of VSDs.
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Basir A. Methionine Synthase Reductase-A66G and -C524T Single Nucleotide Polymorphisms and Prostate Cancer: A Case-Control Trial. Asian Pac J Cancer Prev 2019; 20:1445-1451. [PMID: 31127906 PMCID: PMC6857893 DOI: 10.31557/apjcp.2019.20.5.1445] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Purpose: Some variations in the sequence of methionine synthase reductase (MTRR) gene can increase the risk of various cancers such as prostate cancer. The aim of this study was to investigate the association between prostate cancer and the MTRR A66G and C524T gene single nucleotide polymorphisms (SNPs) using an in silico analysis. Methods: In this case-control study, 218 Iranian men, including 108 men with prostate cancer and 110 prostate cancer-free men, were enrolled. The MTRR A66G and C524T genotyping was performed by PCR-RFLP. Some of the bioinformatics tools were employed for the evaluation of polymorphism on the molecular aspects of the MTRR. Results: With regard to the MTRR A66G polymorphism, the genotype AG (OR: 0.85, 95% CI: 0.47-1.54, p= 0.6014), genotype GG (OR: 0.89, 95% CI: 0.42-1.87, p= 0.7512), and allele G (OR: 0.92, 95% CI: 0.63-1.35, p= 0.6686) were not associated with prostate cancer risk. However, the data for C524T SNP showed that the genotype CT was associated with prostate cancer risk (OR: 1.92, 95% CI: 1.06-3.47, p= 0.0308). Further, carriers of the allele T (OR: 1.80, 95% CI: 1.04-3.13, p= 0.0358) were associated with high risk of prostate cancer. In addition, bioinformatics analysis revealed that C524T SNP could affect some molecular aspects of the protein structure, while having no effect on the mRNA structure. Conclusion: The MTRR C524T is a genetic risk factor for prostate cancer; however, the MTRR A66G is not suggested as a suitable biomarker for prostate cancer. To obtain more reliable results, further studies are recommended to use larger sample sizes and investigate the effects of environmental factors.
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Affiliation(s)
- Atefeh Basir
- Department of Biology, Faculty of Basic Sciences, Islamic Azad University, Science and Research Branch, Tehran, Iran.
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Saha T, Chatterjee M, Verma D, Ray A, Sinha S, Rajamma U, Mukhopadhyay K. Genetic variants of the folate metabolic system and mild hyperhomocysteinemia may affect ADHD associated behavioral problems. Prog Neuropsychopharmacol Biol Psychiatry 2018; 84:1-10. [PMID: 29407547 DOI: 10.1016/j.pnpbp.2018.01.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 11/20/2017] [Accepted: 01/22/2018] [Indexed: 02/06/2023]
Abstract
An etiologically complex disorder, Attention Deficit Hyperactivity Disorder (ADHD), is often associated with various levels of cognitive deficit. Folate/vitamin B9 is crucial for numerous biochemical pathways including neural stem cell proliferation and differentiation, regulation of gene expression, neurotransmitter synthesis, myelin synthesis and repair, etc. and a scarcity has often been linked to cognitive deficit. Our pilot study in the field revealed significant association of few genetic variants with ADHD. Mild hyperhomocysteinemia and vitamin B12 deficiency was also noticed in the probands. In the present study additional genetic variants, folate and vitamin B6, which may affect folate-homocysteine metabolic pathway, were investigated in 866 individuals including nuclear families with ADHD probands (N=221) and ethnically matched controls (N=286) to find out whether ADHD associated traits are affected by these factors. Population based analysis revealed significant over representation of MTRR rs1801394 "G" allele and "GG" genotype in all as well as male probands. Stratified analysis showed significantly higher frequency of RFC1 rs1051266 and BHMT rs3733890 "AG" genotypes in full term and prematurely delivered ADHD probands respectively. Probands with rs1801394 "GG" genotype and BHMT rs3733890 "G" allele showed association with hyperhomocysteinemia. MTHFR rs1801131, MTR rs1805087 and BHMT rs3733890 also showed association with ADHD index. While rs1051266, rs1801131, and rs1805087 showed association with behavioral problems, rs3733890 was associated with ODD score. Conduct problem exhibited association with RFC1 rs1051266, MTHFR rs1801133 and MTRR rs1801394. Gene-gene interaction analysis revealed positive synergistic interactions between rs1051266, rs1801131 and rs1801394 in the probands as compared to the controls. It can be inferred from the data obtained that folate system genetic variants and mild hyperhomocysteimenia may affect ADHD associated traits by attenuating folate metabolism.
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Affiliation(s)
- Tanusree Saha
- Manovikas Biomedical Research and Diagnostic Centre, Manovikas Kendra, 482 Madudah, Plot I-24, Sector J, EM Bypass, Kolkata, West Bengal 700107, India
| | - Mahasweta Chatterjee
- Manovikas Biomedical Research and Diagnostic Centre, Manovikas Kendra, 482 Madudah, Plot I-24, Sector J, EM Bypass, Kolkata, West Bengal 700107, India
| | - Deepak Verma
- Manovikas Biomedical Research and Diagnostic Centre, Manovikas Kendra, 482 Madudah, Plot I-24, Sector J, EM Bypass, Kolkata, West Bengal 700107, India
| | - Anirban Ray
- Institute of Psychiatry-Center of Excellence, Institute of Post Graduate Medical Education & Research, Kolkata, West Bengal 700020, India
| | - Swagata Sinha
- Manovikas Biomedical Research and Diagnostic Centre, Manovikas Kendra, 482 Madudah, Plot I-24, Sector J, EM Bypass, Kolkata, West Bengal 700107, India
| | - Usha Rajamma
- Manovikas Biomedical Research and Diagnostic Centre, Manovikas Kendra, 482 Madudah, Plot I-24, Sector J, EM Bypass, Kolkata, West Bengal 700107, India
| | - Kanchan Mukhopadhyay
- Manovikas Biomedical Research and Diagnostic Centre, Manovikas Kendra, 482 Madudah, Plot I-24, Sector J, EM Bypass, Kolkata, West Bengal 700107, India.
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Garakanidze S, Costa E, Bronze-Rocha E, Santos-Silva A, Nikolaishvili G, Nakashidze I, Kakauridze N, Glonti S, Khukhunaishvili R, Koridze M, Ahmad S. Methylenetetrahydrofolate Reductase Gene Polymorphism (C677T) as a Risk Factor for Arterial Thrombosis in Georgian Patients. Clin Appl Thromb Hemost 2018; 24:1061-1066. [PMID: 29439641 PMCID: PMC6714755 DOI: 10.1177/1076029618757345] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Methylenetetrahydrofolate reductase (MTHFR) gene polymorphism (C677T)] is a well-recognized genetic risk factor for venous thrombosis; however, its association with arterial thrombosis is still under debate. Herein, we evaluated the prevalence of MTHFR C677T polymorphism in Georgian patients in comparison with healthy individuals and its association with arterial thrombosis. We enrolled 214 participants: 101 with arterial thrombosis (71.3% males; mean age: 66.3 ± 12.1 years) and 113 controls (67.3% males; mean age: 56.6 ± 11.3 years). Genomic DNA was extracted from dry blood spot on Whatman filter paper. Polymerase chain reaction was performed to determine MTHFR C677T polymorphism. Frequency of C677T allele polymorphism in controls was 21.2%, which corresponded to heterozygous and homozygous stage frequencies of 35.4% and 3.5%, respectively. In patient group, an allelic frequency of 33.2% was found, which corresponded to the presence of 48.5% of heterozygous and 8.9% of homozygous individuals. Comparing the frequency of mutated alleles between the 2 groups, a significantly high frequency of mutated alleles was found in patient group (P < .05). In conclusion, high frequency of MTHFR C677T polymorphism found in arterial thrombosis patient group suggests that this polymorphism might increase the risk of arterial thrombosis in Georgian patients.
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Affiliation(s)
- Sopio Garakanidze
- 1 Department of Biology, Faculty of Natural Sciences & Health Care, Batumi Shota Rustaveli State University, Batumi, Georgia
| | - Elísio Costa
- 2 Research Unit on Applied Molecular Biosciences (UCIBIO), Rede de Química e Tecnologia (REQUIMTE), Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Elsa Bronze-Rocha
- 2 Research Unit on Applied Molecular Biosciences (UCIBIO), Rede de Química e Tecnologia (REQUIMTE), Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Alice Santos-Silva
- 2 Research Unit on Applied Molecular Biosciences (UCIBIO), Rede de Química e Tecnologia (REQUIMTE), Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Giorgi Nikolaishvili
- 3 Department of Clinical Medicine, Faculty of Natural Sciences & Health Care, Batumi Shota Rustaveli State University, Batumi, Georgia
| | - Irina Nakashidze
- 1 Department of Biology, Faculty of Natural Sciences & Health Care, Batumi Shota Rustaveli State University, Batumi, Georgia
| | - Nona Kakauridze
- 4 Department of Internal Medicine, Faculty of Medicine, Tbilisi State Medical University, Tbilisi, Georgia
| | - Salome Glonti
- 3 Department of Clinical Medicine, Faculty of Natural Sciences & Health Care, Batumi Shota Rustaveli State University, Batumi, Georgia
| | - Rusudan Khukhunaishvili
- 1 Department of Biology, Faculty of Natural Sciences & Health Care, Batumi Shota Rustaveli State University, Batumi, Georgia
| | - Marina Koridze
- 1 Department of Biology, Faculty of Natural Sciences & Health Care, Batumi Shota Rustaveli State University, Batumi, Georgia
| | - Sarfraz Ahmad
- 5 Department of Gynecologic Oncology, Florida Hospital Cancer Institute, Orlando, FL, USA
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Hassan FM, Khattab AA, Abo El Fotoh WMM, Zidan RS. A66G and C524T polymorphisms of methionine synthase reductase gene are linked to the development of acyanotic congenital heart diseases in Egyptian children. Gene 2017; 629:59-63. [PMID: 28778621 DOI: 10.1016/j.gene.2017.07.081] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2017] [Revised: 07/19/2017] [Accepted: 07/31/2017] [Indexed: 11/26/2022]
Abstract
Methionine synthase reductase (MTRR) is one of the main regulatory enzymes in the homocysteine/folate pathway. Genes involved in this pathway may play an important role in the development of congenital heart diseases (CHDs). C524T and A66G polymorphisms of MTRR gene may play an imperative role in the development of acyanotic CHDs. This study carried out on 200 children equally divided into 2 groups: group I: 100 children with acyanotic CHDs; and group II: 100 healthy children served as controls. PCR-RFLP method carried out to amplify the A66G and C524T polymorphisms of MTRR gene digested with Xho1and NdeI enzymes. A significant difference(P=0.015) in genotype frequencies of C524T polymorphism between cases and controls, where CC, CT, and TT were 14.0%, 40.0% and 46.0% in patients compared to 38.0,36.0% and 26.0% in controls. Again, a significant difference (P=0.010) in genotype frequencies of A66G polymorphism between the two groups as AA, AG and GG were 26.0%, 32.0% and42.0% in patients compared to 48.0, 36.0% and 16.0% in controls. Also, MTRR A66G and C524T polymorphisms were associated with a higher CHD risk in the homozygote comparison of wild and mutant genotypes and also in heterozygote and mutant comparison. So A66G and C524T polymorphisms of MTRR gene are associated with increased risk of acyanotic CHDs.
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Affiliation(s)
- Fahima M Hassan
- Pediatric department, Faculty of Medicine, Menoufia University Hospitals, Egypt
| | - Ahmad A Khattab
- Pediatric department, Faculty of Medicine, Menoufia University Hospitals, Egypt
| | | | - Reham S Zidan
- Pediatric department, Faculty of Medicine, Menoufia University Hospitals, Egypt
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MTRR rs326119 polymorphism is associated with plasma concentrations of homocysteine and cobalamin, but not with congenital heart disease or coronary atherosclerosis in Brazilian patients. IJC HEART & VASCULATURE 2017; 14:1-5. [PMID: 28616555 PMCID: PMC5454152 DOI: 10.1016/j.ijcha.2016.11.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 11/19/2016] [Indexed: 01/17/2023]
Abstract
Background Differences in the distribution of the MTRR rs326119 polymorphism (c.56 + 781 A > C) between patients with congenital heart disease (CHD) and controls have been described in Chinese individuals. The association is thought to be due to deregulation of homocysteine-cobalamin pathways. This has not been replicated in other populations. The primary objective of this study was to assess the influence of the MTRR rs326119 polymorphism on biochemical parameters of vitamin B12 metabolism, coronary lesions, and congenital heart disease in Brazilian subjects. Methods We selected 722 patients with CHD, 1432 patients who underwent coronary angiography, and 156 blood donors. Genotyping for the MTRR polymorphism was evaluated by high-resolution melting analysis, and biochemical tests of vitamin B12 metabolism were measured. Results Subjects carrying the AC or CC genotypes had higher homocysteine concentrations (9.7 ± 0.4 μmol/L and 10.1 ± 0.6 μmol/L) and lower cobalamin concentrations (260.5 ± 13.3 pmol/L and 275.6 ± 19.9 pmol/L) compared with the subjects carrying the AA genotype (8.7 ± 0.5 μmol/L and 304.8 ± 14.7 pmol/L), respectively. A multiple linear regression model also identified a significant association between the number of C variant alleles with the concentrations of homocysteine and cobalamin. Nonetheless, the allelic and genotypic distributions for MTRR rs326119 were not associated with CHD or coronary atherosclerosis in the studied samples. Conclusion Our findings indicate that the MTRR rs326119 variant might be a genetic marker associated with homocysteine and cobalamin concentrations, but not a strong risk factor for CHD or coronary atherosclerosis in the Brazilian population.
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Burdennyy AM, Loginov VI, Zavarykina TM, Braga EA, Kubatiev AA. The role of molecular genetic alterations in genes involved in folate and homocysteine metabolism in multifactorial diseases pathogenesis. RUSS J GENET+ 2017. [DOI: 10.1134/s1022795417040044] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Aksoy-Sagirli P, Erdenay A, Kaytan-Saglam E, Kizir A. Association of Three Single Nucleotide Polymorphisms in MTR and MTRR Genes with Lung Cancer in a Turkish Population. Genet Test Mol Biomarkers 2017; 21:428-432. [PMID: 28537809 DOI: 10.1089/gtmb.2017.0062] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
AIMS Folate metabolism plays a critical role in DNA methylation and synthesis. Polymorphisms in folate metabolism may affect enzyme activities and thereby affect the cancer risk. Methionine synthase (MTR) and methionine synthase reductase (MTRR) are critical enzymes for the folate cycle. In this study, possible associations between genetic variabilities in MTR and MTRR and susceptibility to lung cancer (LC) were investigated in a Turkish population. METHODS A case-control study with 193 LC cases and 199 noncancerous controls was conducted. DNA was extracted from leukocytes using the high pure polymerase chain reaction (PCR) template preparation kit. The MTR 2756 A>G (rs1805087), MTRR 524 C > T (rs1532268), and MTRR 66 A>G (rs1801394) genotypes were determined using PCR-restriction fragment length polymorphism (PCR-RFLP) assays. The genotype and haplotype analyses of these polymorphisms were performed using SPSS 21 and Haploview 4.2, respectively. RESULTS An association between the MTRR A66G polymorphism and LC (p = 0.042) was found. In addition, this allele was observed more frequently in smokers compared to nonsmokers (p = 0.030). In contrast, the distribution of the MTR 2756 A>G and the MTRR 524 C > T allele frequencies were similar in the subject cases and controls. CONCLUSIONS In conclusion, the present study suggests an association between the MTRR 66 A>G gene polymorphisms and LC risk in a Turkish population.
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Affiliation(s)
- Pinar Aksoy-Sagirli
- 1 Department of Biochemistry, Faculty of Pharmacy, Istanbul University , Istanbul, Turkey
| | - Ayçin Erdenay
- 1 Department of Biochemistry, Faculty of Pharmacy, Istanbul University , Istanbul, Turkey
| | - Esra Kaytan-Saglam
- 2 Department of Radiation Oncology, Memorial Sisli Hospital , Istanbul, Turkey
| | - Ahmet Kizir
- 3 Department of Radiation Oncology, Institute of Oncology, Istanbul University , Istanbul, Turkey
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MTRR gene variants may predispose to the risk of Congenital Heart Disease in Down syndrome patients of Indian origin. EGYPTIAN JOURNAL OF MEDICAL HUMAN GENETICS 2017. [DOI: 10.1016/j.ejmhg.2016.02.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Wang W, Jiao XH, Wang XP, Sun XY, Dong C. MTR, MTRR, and MTHFR Gene Polymorphisms and Susceptibility to Nonsyndromic Cleft Lip With or Without Cleft Palate. Genet Test Mol Biomarkers 2016; 20:297-303. [PMID: 27167580 DOI: 10.1089/gtmb.2015.0186] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE To examine the associations of methionine synthase (MTR), methionine synthase reductase (MTRR), and methylenetetrahydrofolate reductase (MTHFR) gene polymorphisms with the susceptibility to nonsyndromic cleft lip with or without cleft palate (NSCL/P). METHODS Between May 2012 and August 2014, 147 NSCL/P patients (case group) and 129 healthy volunteers (control group) were recruited for the study. The MTR A2756G, MTRR A66G, MTHFR C677T and MTHFR A1298C polymorphisms were assessed by polymerase chain reaction-restriction fragment length polymorphism. Haplotype analyses were performed with SHEsis software. Logistic regression analysis was used to evaluate the possible risk factors for NSCL/P. Generalized multifactor dimensionality reduction (GMDR) was applied to detect gene-gene interactions. RESULTS MTR A2756G, MTRR A66G, and MTHFR C677T gene polymorphisms were associated with the risk of NSCL/P (all p < 0.05). Logistic regression analysis revealed that MTR A2756G, MTR RA66G, and MTHFR C667T might increase the risk of NSCL/P (odds ratio [OR] = 0.270, 95% confidence interval [95% CI] = 0.106-0.689; OR = 0.159, 95% CI = 0.069-0.368; OR = 0.343, 95% CI = 0.139-0.844). The CA haplotype in the MTHFR gene may serve as a protective factor for NSCL/P (OR = 0.658, 95% CI = 0.470-0.923), and the TA haplotype might be a risk factor (OR = 2.001, 95% CI = 1.301-3.077). GMDR revealed that the optimal models were two- and four-dimensional models with prediction accuracies of 75.73% (p = 0.001) and 77.21% (p = 0.001) and the best cross-validation consistencies of 10/10 and 10/10, respectively. CONCLUSION MTR A2756G, MTRR A66G, and MTHFR C677T polymorphisms may be related to NSCL/P, and interactions were detected between the MTR A2756G, MTRR A66G, and MTHFR C677T and A1298C polymorphisms.
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Affiliation(s)
- Wei Wang
- Department of Oral Maxillofacial Surgery, the First Affiliated Hospital, Harbin Medical University , Harbin, China
| | - Xiao-Hui Jiao
- Department of Oral Maxillofacial Surgery, the First Affiliated Hospital, Harbin Medical University , Harbin, China
| | - Xiao-Ping Wang
- Department of Oral Maxillofacial Surgery, the First Affiliated Hospital, Harbin Medical University , Harbin, China
| | - Xiang-Yu Sun
- Department of Oral Maxillofacial Surgery, the First Affiliated Hospital, Harbin Medical University , Harbin, China
| | - Chen Dong
- Department of Oral Maxillofacial Surgery, the First Affiliated Hospital, Harbin Medical University , Harbin, China
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Genetic variant in MTRR A66G, but not MTR A2756G, is associated with risk of non-syndromic cleft lip and palate in Indian population. JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY MEDICINE AND PATHOLOGY 2015. [DOI: 10.1016/j.ajoms.2015.04.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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The A1298C Methylenetetrahydrofolate Reductase Gene Variant as a Susceptibility Gene for Non-Syndromic Conotruncal Heart Defects in an Indian Population. Pediatr Cardiol 2015; 36:1470-5. [PMID: 25981563 DOI: 10.1007/s00246-015-1188-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Accepted: 05/05/2015] [Indexed: 01/20/2023]
Abstract
Conotruncal heart defects (CTHDS) are a subgroup of congenital heart malformations that are considered to be a folate-sensitive birth defect. It has been hypothesized that polymorphisms in genes that code for key enzymes in the folate pathway may alter enzyme activity, leading to disruptions in folate metabolism and thus may influence the risk of such heart defects. This study was designed to investigate the association of six selected folate-metabolizing gene polymorphisms with the risk of non-syndromic CTHDs in an Indian population. This was a case-control study involving 96 cases of CTHDs and 100 control samples, ranging in age from birth to 18 years. Genotyping using Sanger sequencing was performed for six single nucleotide polymorphisms of genes involved in folate metabolism. Logistic regression analyses revealed that for the 5,10-methylenetetrahydrofolate (MTHFR) A1298C polymorphism, the CC variant homozygote genotype was associated with a significantly increased risk of CTHDs. The results of this study support an association between the inherited MTHFR A1298C genotype and the risk of CTHDs in an Indian population.
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Li WX, Lv WW, Dai SX, Pan ML, Huang JF. Joint associations of folate, homocysteine and MTHFR, MTR and MTRR gene polymorphisms with dyslipidemia in a Chinese hypertensive population: a cross-sectional study. Lipids Health Dis 2015; 14:101. [PMID: 26337056 PMCID: PMC4558834 DOI: 10.1186/s12944-015-0099-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Accepted: 08/19/2015] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Dyslipidemia is a well-established risk factor for cardiovascular disease. Serum lipids were affected by several gene polymorphisms, folate, homocysteine and other metabolite levels. We aim to investigate the effects of homocysteine metabolism enzyme polymorphisms (MTHTR C677T, MTHFR A1298C, MTR A2756G and MTRR A66G) and their interactions with folate, homocysteine on serum lipid levels in Chinese patients with hypertension. METHODS Participants were 480 hypertensive adults that enrolled in September to December 2005 from six different Chinese hospitals (Harbin, Shanghai, Shenyang, Beijing, Xi'an, and Nanjing). Known MTHFR C677T, MTHFR A1298C, MTR A2756G and MTRR A66G genotypes were determined by PCR-RFLP methods. Serum folate was measured by chemiluminescent immunoassay, homocysteine was measured by high-performance liquid chromatography, serum lipids parameters were determined by an automatic biochemistry analyzer, low-density lipoprotein was calculated by Friedewald's equation. Unitary linear regression model was used to assess the associations of gene polymorphisms, folate and homocysteine on serum lipid profiles. Unconditional logistic regression model was applied to test the interactions of folate, homocysteine and gene polymorphisms on dyslipidemia. RESULTS No correlations between gene polymorphisms and homocysteine on serum lipid profiles. Compared with normal folate patients, patients with low folate showed higher odds of hypertriglyceridemia (OR = 2.02, 95 % CI: 1.25-3.25, P = 0.004) and low levels of high-density lipoprotein cholesterol (OR = 1.88, 95 % CI: 1.07-3.28, P = 0.027). Each of four gene polymorphisms (MTHTR C677T, MTHFR A1298C, MTR A2756G and MTRR A66G) combined with low folate showed higher odds of hypertriglyceridemia (P for trend: 0.049, 0.004, 0.007 and 0.005, respectively). MTHFR C677T and A1298C with low folate showed higher odds of low levels of high-density lipoprotein cholesterol (P for trend: 0.008 and 0.031). CONCLUSIONS Low folate status and homocysteine metabolism gene polymorphisms (MTHTR C677T, MTHFR A1298C, MTR A2756G and MTRR A66G) may have a synergistic effect increased the incidence of dyslipidemia in Chinese hypertensive population.
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Affiliation(s)
- Wen-Xing Li
- Institute of Health Sciences, Anhui University, Hefei, 230601, PR China. .,State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, PR China.
| | - Wen-Wen Lv
- School of Life Sciences, Anhui University, Hefei, 230601, PR China.
| | - Shao-Xing Dai
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, PR China.
| | - Ming-Luo Pan
- School of Life Sciences, Anhui University, Hefei, 230601, PR China.
| | - Jing-Fei Huang
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, PR China. .,KIZ-SU Joint Laboratory of Animal Models and Drug Development, College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, PR China. .,Collaborative Innovation Center for Natural Products and Biological Drugs of Yunnan, Kunming, 650223, PR China.
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Yu D, Yang L, Shen S, Fan C, Zhang W, Mo X. Association between methionine synthase reductase A66G polymorphism and the risk of congenital heart defects: evidence from eight case-control studies. Pediatr Cardiol 2014; 35:1091-8. [PMID: 24913415 DOI: 10.1007/s00246-014-0948-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2014] [Accepted: 05/22/2014] [Indexed: 01/27/2023]
Abstract
Methionine synthase reductase (MTRR) plays a major role in hyperhomocysteinemia, a risk factor related to the occurrence of congenital heart defects (CHDs). However, the associations between MTRR polymorphism and CHDs have been inconclusive. Thus, a metaanalysis of eight case-control studies was conducted to investigate 3,592 cases and 3,638 control subjects for MTRR A66G polymorphism to identify the association. Odds ratios (ORs) and 95 % confidence intervals (95 % CIs) were used to assess the strength of the association. The results showed that MTRR A66G polymorphism was associated with a higher CHD risk in the allele comparison (G vs A: OR 1.163; 95 % CI 1.016-1.330; P heterogeneity = 0.004), the homozygote comparison (GG vs AA: OR 1.332; 95 % CI 1.020-1.740; P heterogeneity = 0.035), and the dominant model (GG/AG vs AA: OR 1.218; 95 % CI 1.001-1.482; P heterogeneity = 0.001). In the subgroup analysis, this polymorphism was associated with CHDs in Asians in the homozygote comparison (GG vs AA: OR 1.427; 95 % CI 1.017-2.001; P heterogeneity = 0.019) and the allele comparison (G vs A: OR 1.203; 95 % CI 1.018-1.422; P heterogeneity = 0.002). In summary, the metaanalysis demonstrated that MTRR A66G polymorphism is a risk factor for CHDs. Further studies should be performed to investigate the association of plasma homocysteine levels, enzyme activity, parental genotypes, and vitamin complex intakes with the risk of CHDs.
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Affiliation(s)
- Di Yu
- Department of Cardiothoracic Surgery, Nanjing Children's Hospital, Nanjing Medical University, Nanjing, 210008, China
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Cai B, Zhang T, Zhong R, Zou L, Zhu B, Chen W, Shen N, Ke J, Lou J, Wang Z, Sun Y, Liu L, Song R. Genetic variant in MTRR, but not MTR, is associated with risk of congenital heart disease: an integrated meta-analysis. PLoS One 2014; 9:e89609. [PMID: 24595101 PMCID: PMC3942359 DOI: 10.1371/journal.pone.0089609] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2013] [Accepted: 01/22/2014] [Indexed: 02/07/2023] Open
Abstract
Background Congenital heart disease (CHD) is one of the most common birth defects and the leading cause of deaths among individuals with congenital structural abnormalities worldwide. Both Methionine synthase reductase (MTRR) and Methionine synthase (MTR) are key enzymes involved in the metabolic pathway of homocysteine, which are significant in the earlier period embryogenesis, particularly in the cardiac development. Evidence is mounting for the association between MTRR A66G (rs1801394)/MTR A2756G (rs1805087) and the CHD risk, but results are controversial. Therefore, we conducted a meta-analysis integrating case-control and transmitted disequilibrium test (TDT) studies to obtain more precise estimate of the associations of these two variants with the CHD risk. Methods To combine case-control and TDT studies, we used the Catmap package of R software to calculate odds ratios (ORs) and 95% confidence intervals (CIs). Results A total of 9 reports were included in the final meta-analysis. Eight of them comprised of 914 cases, 964 controls, and 441 families that were germane to MTRR A66G polymorphism; and 4 reports comprised of 250 cases, 205 controls, and 53 families that were relevant to MTR A2756G polymorphism. The pooled OR for the MTRR 66 G allele versus A allele was 1.35 (95% CI = 1.14–1.59, P<0.001, Pheterogeneity = 0.073). For MTR A2756G, the G allele conferred a pooled OR of 1.10 (95% CI = 0.78–1.57, P = 0.597, Pheterogeneity = 0.173) compared with the A allele. Sensitivity analyses were carried out to asses the effects of each individual study on the pooled OR, indicating the stability of the outcome. Moreover, positive results were also obtained in all subgroups stratified by study type and ethnicity except the subgroup of TDT studies in MTRR A66G variant. Conclusions This meta-analysis demonstrated a suggestive result that the A66G variant in MTRR, but not the A2756G in MTR, may be associated with the increase of CHD risks.
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Affiliation(s)
- Bingxi Cai
- Department of Epidemiology and Biostatistics and State Key Laboratory of Environment Health (Incubation), MOE (Ministry of Education) Key Laboratory of Environment and Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ti Zhang
- Department of Epidemiology and Biostatistics and State Key Laboratory of Environment Health (Incubation), MOE (Ministry of Education) Key Laboratory of Environment and Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rong Zhong
- Department of Epidemiology and Biostatistics and State Key Laboratory of Environment Health (Incubation), MOE (Ministry of Education) Key Laboratory of Environment and Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Li Zou
- Department of Epidemiology and Biostatistics and State Key Laboratory of Environment Health (Incubation), MOE (Ministry of Education) Key Laboratory of Environment and Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Beibei Zhu
- Department of Epidemiology and Biostatistics and State Key Laboratory of Environment Health (Incubation), MOE (Ministry of Education) Key Laboratory of Environment and Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Chen
- Department of Epidemiology and Biostatistics and State Key Laboratory of Environment Health (Incubation), MOE (Ministry of Education) Key Laboratory of Environment and Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Na Shen
- Department of Epidemiology and Biostatistics and State Key Laboratory of Environment Health (Incubation), MOE (Ministry of Education) Key Laboratory of Environment and Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Juntao Ke
- Department of Epidemiology and Biostatistics and State Key Laboratory of Environment Health (Incubation), MOE (Ministry of Education) Key Laboratory of Environment and Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiao Lou
- Department of Epidemiology and Biostatistics and State Key Laboratory of Environment Health (Incubation), MOE (Ministry of Education) Key Laboratory of Environment and Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhenling Wang
- Department of Epidemiology and Biostatistics and State Key Laboratory of Environment Health (Incubation), MOE (Ministry of Education) Key Laboratory of Environment and Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Sun
- Department of Epidemiology and Biostatistics and State Key Laboratory of Environment Health (Incubation), MOE (Ministry of Education) Key Laboratory of Environment and Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lifeng Liu
- Department of Epidemiology and Biostatistics and State Key Laboratory of Environment Health (Incubation), MOE (Ministry of Education) Key Laboratory of Environment and Health, Ministry of Environmental Protection Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ranran Song
- Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- * E-mail:
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Jamerson BD, Payne ME, Garrett ME, Ashley-Koch AE, Speer MC, Steffens DC. Folate metabolism genes, dietary folate and response to antidepressant medications in late-life depression. Int J Geriatr Psychiatry 2013; 28:925-32. [PMID: 23280573 PMCID: PMC3779127 DOI: 10.1002/gps.3899] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2012] [Accepted: 10/10/2012] [Indexed: 11/09/2022]
Abstract
OBJECTIVE The primary aims of this study were to (i) determine whether folate metabolism genetic polymorphisms predict age of onset and occurrence of late life depression; and (ii) determine whether folate metabolism genetic polymorphisms predict response to antidepressant medications in late-life depression. METHODS This study used the Conte Center for the Neuroscience of Depression and the Neurocognitive Outcomes of Depression in the Elderly Study database, which includes individuals aged ≥60. The folate nutrition assessment was determined by the Block Food Frequency Questionnaire. Genotype was evaluated for 15 single nucleotide polymorphisms from 10 folate metabolism genes. Logistic regression models were used to examine genetic polymorphisms and folate estimates with association with depression age of onset and remission status. RESULTS There were 304 Caucasians in the database, 106 of these were not depressed and 198 had a diagnosis of depression. There were no significant differences between remitters and non-remitters in age, sex or estimated folate intakes. There were no folate estimates or folate metabolism gene single nucleotide polymorphisms that significantly predicted age of onset of depression or occurrence of depression. Methionine synthase reductase (MTRR) A66G (rs1801394) was significantly associated with remission status (p = 0.0077) such that those with the AA genotype were 3.2 times as likely as those with the GG genotype to be in remission (p = 0.0020). Methylenetetrahydrofolate reductase A1298C (rs1801131) achieved a borderline significance for association with remission status (p = 0.0313). CONCLUSION The major finding from this study is that the MTRR A66G genotype predicts response to selective serotonin reuptake inhibitor antidepressants in late life depression.
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Affiliation(s)
- Brenda D. Jamerson
- Department of Clinical Research, Campbell University College of Pharmacy and Health Sciences, Buies Creek, NC 27506 USA,Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710 USA,Geriatric Research Education and Clinical Center, Veterans Administration Medical Center, Durham, NC 27710 USA
| | - Martha E. Payne
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710 USA,Neuropsychiatric Imaging Research Laboratory, Duke University Medical Center, 2200 West Main Street, Suite B210, Durham, NC 27705 USA
| | - Melanie E. Garrett
- Duke Center for Human Genetics, Department of Medicine, Duke University Medical Center, Durham, NC 27710 USA
| | - Allison E. Ashley-Koch
- Duke Center for Human Genetics, Department of Medicine, Duke University Medical Center, Durham, NC 27710 USA
| | - Marcy C. Speer
- Duke Center for Human Genetics, Department of Medicine, Duke University Medical Center, Durham, NC 27710 USA
| | - David C. Steffens
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710 USA,Duke Center for Human Genetics, Department of Medicine, Duke University Medical Center, Durham, NC 27710 USA
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Pruna R, Artells R, Ribas J, Montoro B, Cos F, Muñoz C, Rodas G, Maffulli N. Single nucleotide polymorphisms associated with non-contact soft tissue injuries in elite professional soccer players: influence on degree of injury and recovery time. BMC Musculoskelet Disord 2013; 14:221. [PMID: 23890452 PMCID: PMC3726514 DOI: 10.1186/1471-2474-14-221] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2013] [Accepted: 07/03/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The biological mechanisms involved in non-contact musculoskeletal soft tissue injuries (NCMSTI) are poorly understood. Genetic risk factors may be associated with susceptibility to injuries, and may exert marked influence on recovery times. METHODS Data on type and degree of injury and recovery time were collected in 73 male professional soccer players (43 White, 11 Black Africans and 19 Hispanics) who suffered total of 242 injuries (203 muscle, 24 ligament, and 15 tendon injuries). One single nucleotide polymorphism (SNPs) in the following genes were analyzed: Elastin (ELN); Titin (TTN); SRY-related HMG-box (SOX15); Insulin-like growth factor 2 (IGF2); Chemokine, CC motif, ligand 2 (CCL2); Collagen type 1 alpha 1(COL1A1); Collagen type 5 alpha 1 (COL5A1), and Tenascin C (TNC). RESULTS There was evidence of a statistically significant association between the degree of injury and the IGF2 genotype (P = 0.034). In addition, there was evidence of a statistically significant association between the degree of muscle injury and CCL2 (P = 0.026) Finally, there was evidence of a statistically significant association between ELN and degree of injury (p = 0.009) and recovery time (P = 0.043). There was no evidence of a statistically significant association between any of the genes studied and degree of injury or recovery time for tendon injuries. CONCLUSION SNPs in the IGF2, CCL2, and ELN genes may be associated to the degree and recovery time of NCMSTI.
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Yang B, Liu Y, Li Y, Fan S, Zhi X, Lu X, Wang D, Zheng Q, Wang Y, Wang Y, Sun G. Geographical distribution of MTHFR C677T, A1298C and MTRR A66G gene polymorphisms in China: findings from 15357 adults of Han nationality. PLoS One 2013; 8:e57917. [PMID: 23472119 PMCID: PMC3589470 DOI: 10.1371/journal.pone.0057917] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2012] [Accepted: 01/28/2013] [Indexed: 01/18/2023] Open
Abstract
Background Methylenetetrahydrofolate reductase (MTHFR) C677T, A1298C and methionine synthase reductase (MTRR) A66G polymorphisms are important genetic determinants for homocysteine (Hcy) levels, and are associated with several disorders. These polymorphisms are heterogeneously distributed worldwide. Our objective was to explore the geographical distributions of these polymorphisms in China. Methodologies 15357 healthy adults were recruited from 10 regions. Buccal samples were collected and genomic DNA was isolated. Genotyping was performed using the fluorogenic 5′-nuclease assay. Principal Findings The prevalence of the three polymorphisms among different populations from China varied significantly and showed apparent geographical gradients. For MTHFR C677T, the frequencies of the 677T allele and the 677TT genotype were significantly higher among northern populations and ranged from the lowest values (24.0% and 6.4%, respectively) in Hainan (southern) to the highest values (63.1% and 40.8%, respectively) in Shandong (northern). For MTHFR A1298C, the 1298C allele and the 1298CC genotype frequencies were significantly higher among southern populations and increased from low values (13.1% and 1.4%, respectively) in Shandong to high values (25.7% and 6.7%, respectively) in Hainan. For A66G, the 66G allele and the 66GG genotype frequencies increased from lower values (23.7% and 5.4%, respectively) in Shandong to higher values (29.2% and 8.6%, respectively) in Hainan. The overall frequency of the 677T allele, 677TT genotype, 1298C allele, 1298CC genotype, 66G allele and 66GG genotype in the Chinese Han population was 45.2%, 23.2%, 18.6%, 3.9%, 25.7%, and 6.6%, respectively. No gender differences were found in the prevalence of both the MTHFR C677T and MTRR A66G polymorphisms. Conclusions This study indicates that there are marked geographical variations in the prevalence of the three polymorphisms among Chinese Han populations. Our baseline data may be useful for future researches in related fields.
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Affiliation(s)
- Boyi Yang
- Department of Occupational and Environmental Health, College of Public Health, China Medical University, Shenyang, China
| | - Yuyan Liu
- Department of Occupational and Environmental Health, College of Public Health, China Medical University, Shenyang, China
| | - Yongfang Li
- Department of Occupational and Environmental Health, College of Public Health, China Medical University, Shenyang, China
| | - Shujun Fan
- Department of Occupational and Environmental Health, College of Public Health, China Medical University, Shenyang, China
| | - Xueyuan Zhi
- Department of Occupational and Environmental Health, College of Public Health, China Medical University, Shenyang, China
| | - Xiangxiang Lu
- Department of Occupational and Environmental Health, College of Public Health, China Medical University, Shenyang, China
| | - Da Wang
- Department of Occupational and Environmental Health, College of Public Health, China Medical University, Shenyang, China
| | - Quanmei Zheng
- Department of Occupational and Environmental Health, College of Public Health, China Medical University, Shenyang, China
| | - Yinuo Wang
- Shanghai Institute of Targeted Therapy and Molecular Medicine, Shanghai, China
| | - Yanxun Wang
- Shanghai Institute of Targeted Therapy and Molecular Medicine, Shanghai, China
| | - Guifan Sun
- Department of Occupational and Environmental Health, College of Public Health, China Medical University, Shenyang, China
- * E-mail:
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Wang SS, Feng L, Qiao FY, Lv JJ. Functional variant in methionine synthase reductase decreases the risk of Down syndrome in China. J Obstet Gynaecol Res 2012; 39:511-5. [DOI: 10.1111/j.1447-0756.2012.01978.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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