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Babiker-Mohamed MH, Bhandari S, Ranganathan P. Pharmacogenetics of therapies in rheumatoid arthritis: An update. Best Pract Res Clin Rheumatol 2024:101974. [PMID: 39034216 DOI: 10.1016/j.berh.2024.101974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 07/15/2024] [Accepted: 07/15/2024] [Indexed: 07/23/2024]
Abstract
Rheumatoid arthritis (RA) is a systemic autoimmune inflammatory arthritis. Despite many treatment advances, achieving remission or low-disease activity in RA remains challenging, often requiring trial and error approaches with numerous medications. Precision medicine, particularly pharmacogenomics, explores how genetic factors influence drug response in individual patients, and incorporates such factors to develop personalized treatments for individual patients. Genetic variations in drug-metabolizing enzymes, transporters, and targets may contribute to inter-individual differences in drug efficacy and toxicity. Advancements in molecular sequencing have allowed rapid identification of such variants, including single nucleotide polymorphisms (SNPs). This review highlights recent major findings in the pharmacogenetics of therapies in RA, focusing on key genes and SNPs to provide insights into current trends and developments in this field.
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Affiliation(s)
- Mohamed H Babiker-Mohamed
- Division of Rheumatology, Department of Medicine, School of Medicine, Washington University in St. Louis, St. Louis, MO, USA
| | - Sambhawana Bhandari
- Division of Rheumatology, Department of Medicine, School of Medicine, Washington University in St. Louis, St. Louis, MO, USA
| | - Prabha Ranganathan
- Division of Rheumatology, Department of Medicine, School of Medicine, Washington University in St. Louis, St. Louis, MO, USA.
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2
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Gao Y, Zhang Y, Liu X. Rheumatoid arthritis: pathogenesis and therapeutic advances. MedComm (Beijing) 2024; 5:e509. [PMID: 38469546 PMCID: PMC10925489 DOI: 10.1002/mco2.509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 02/14/2024] [Accepted: 02/19/2024] [Indexed: 03/13/2024] Open
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by the unresolved synovial inflammation for tissues-destructive consequence, which remains one of significant causes of disability and labor loss, affecting about 0.2-1% global population. Although treatments with disease-modifying antirheumatic drugs (DMARDs) are effective to control inflammation and decrease bone destruction, the overall remission rates of RA still stay at a low level. Therefore, uncovering the pathogenesis of RA and expediting clinical transformation are imminently in need. Here, we summarize the immunological basis, inflammatory pathways, genetic and epigenetic alterations, and metabolic disorders in RA, with highlights on the abnormality of immune cells atlas, epigenetics, and immunometabolism. Besides an overview of first-line medications including conventional DMARDs, biologics, and small molecule agents, we discuss in depth promising targeted therapies under clinical or preclinical trials, especially epigenetic and metabolic regulators. Additionally, prospects on precision medicine based on synovial biopsy or RNA-sequencing and cell therapies of mesenchymal stem cells or chimeric antigen receptor T-cell are also looked forward. The advancements of pathogenesis and innovations of therapies in RA accelerates the progress of RA treatments.
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Affiliation(s)
- Ying Gao
- Department of RheumatologyChanghai HospitalNaval Medical UniversityShanghaiChina
| | - Yunkai Zhang
- Naval Medical CenterNaval Medical UniversityShanghaiChina
| | - Xingguang Liu
- National Key Laboratory of Immunity & InflammationNaval Medical UniversityShanghaiChina
- Department of Pathogen BiologyNaval Medical UniversityShanghaiChina
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Ravaei A, Pulsatelli L, Assirelli E, Ciaffi J, Meliconi R, Salvarani C, Govoni M, Rubini M. MTHFR c.665C>T and c.1298A>C Polymorphisms in Tailoring Personalized Anti-TNF-α Therapy for Rheumatoid Arthritis. Int J Mol Sci 2023; 24:ijms24044110. [PMID: 36835522 PMCID: PMC9962934 DOI: 10.3390/ijms24044110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 02/14/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
Rheumatoid arthritis (RA) is an inflammatory autoimmune disease with a prevalence of 1%. Currently, RA treatment aims to achieve low disease activity or remission. Failure to achieve this goal causes disease progression with a poor prognosis. When treatment with first-line drugs fails, treatment with tumor necrosis factor-α (TNF-α) inhibitors may be prescribed to which many patients do not respond adequately, making the identification of response markers urgent. This study investigated the association of two RA-related genetic polymorphisms, c.665C>T (historically referred to as C677T) and c.1298A>C, in the MTHFR gene as response markers to an anti-TNF-α therapy. A total of 81 patients were enrolled, 60% of whom responded to the therapy. Analyses showed that both polymorphisms were associated with a response to therapy in an allele dose-dependent manner. The association for c.665C>T was significant for a rare genotype (p = 0.01). However, the observed opposite trend of association for c.1298A>C was not significant. An analysis revealed that c.1298A>C, unlike c.665C>T, was also significantly associated with the drug type (p = 0.032). Our preliminary results showed that the genetic polymorphisms in the MTHFR gene were associated with a response to anti-TNF-α therapy, with a potential significance for the anti-TNF-α drug type. This evidence suggests a role for one-carbon metabolism in anti-TNF-α drug efficacy and contributes to further personalized RA interventions.
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Affiliation(s)
- Amin Ravaei
- Medical Genetics Laboratory, Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy
| | - Lia Pulsatelli
- Laboratory of Immunorheumatology and Tissue Regeneration, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
| | - Elisa Assirelli
- Medicine and Rheumatology Unit, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
| | - Jacopo Ciaffi
- Medicine and Rheumatology Unit, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
| | - Riccardo Meliconi
- Medicine and Rheumatology Unit, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
| | - Carlo Salvarani
- Division of Rheumatology, Azienda USL-IRCCS di Reggio Emilia, 42122 Reggio Emilia, Italy
- University-Hospital of Modena, University of Modena and Reggio Emilia, 41124 Modena, Italy
| | - Marcello Govoni
- Section of Hematology and Rheumatology, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
- Rheumatology Unit, Sant’Anna University Hospital, 44124 Ferrara, Italy
| | - Michele Rubini
- Medical Genetics Laboratory, Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy
- University Center for Studies on Gender Medicine, University of Ferrara, 44121 Ferrara, Italy
- Correspondence: ; Tel.: +39-0532-974473
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Zhang S, Wang T, Wang H, Tang J, Hou A, Yan X, Yu B, Ran S, Luo M, Tang Y, Yang R, Song D, He H. Effects of individualized administration of folic acid on prothrombotic state and vascular endothelial function with H-type hypertension: A double-blinded, randomized clinical cohort study. Medicine (Baltimore) 2022; 101:e28628. [PMID: 35060542 PMCID: PMC8772678 DOI: 10.1097/md.0000000000028628] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 12/28/2021] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Hypertension and hyperhomocysteinemia (HHcy) have long been associated with adverse cardiovascular and cerebrovascular health outcomes. This study evaluated the effect of individualized administration of folic acid (FA) on homocysteine (Hcy) levels, prothrombotic state, and blood pressure (BP) in patients with H-type hypertension (combination of HHcy and hypertension). METHODS In this double-blinded, randomized clinical cohort study, 126 patients with H-type hypertension who were treated at our hospital were randomly divided into treatment and control groups (n = 55 each). The control group was treated with oral levamlodipine besylate tablets 2.5 mg and placebo, once a day (in the morning). The treatment group was first treated with oral levamlodipine besylate 2.5 mg and FA tablets 0.8 mg, once a day (in the morning), for 12 weeks. Then, in a second 12-week phase, the FA dose was adjusted using the methylene tetrahydrofolate reductase C677 polymorphism genotype. The levels of Hcy and coagulation factors, prothrombotic state parameters, BP, and adverse drug reactions were compared between the 2 groups. RESULTS Pretreatment general patient characteristics, including Hcy levels, were similar between the 2 groups (P > .05). BP and prothrombotic status did not differ before and after the first phase of treatment (P > .05). However, Hcy and endothelin-1 (ET-1) levels decreased, while nitric oxide levels increased significantly in the intervention group (P < .05). In the second phase, after 3 months' treatment with an FA dose adjusted according to methylene tetrahydrofolate reductase C677T genotype, the Hcy and ET-1/NO levels were significantly decreased in the intervention group and were lower than those after the first treatment phase and lower than in the control group (P < .01). BP, D-dimer levels, and fibrinogen scores were significantly lower after the second treatment phase (P < .01). There was no significant difference in the incidence of adverse drug reactions between the 2 groups (P > .05). CONCLUSIONS Individualized administration of FA tablets can effectively reduce BP, and Hcy and coagulation factor levels, and significantly improve prothrombotic status in patients with H-type hypertension.
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Raghubeer S, Matsha TE. Methylenetetrahydrofolate (MTHFR), the One-Carbon Cycle, and Cardiovascular Risks. Nutrients 2021; 13:nu13124562. [PMID: 34960114 PMCID: PMC8703276 DOI: 10.3390/nu13124562] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 12/07/2021] [Accepted: 12/15/2021] [Indexed: 02/06/2023] Open
Abstract
The 5-10-methylenetetrahydrofolate reductase (MTHFR) enzyme is vital for cellular homeostasis due to its key functions in the one-carbon cycle, which include methionine and folate metabolism and protein, DNA, and RNA synthesis. The enzyme is responsible for maintaining methionine and homocysteine (Hcy) balance to prevent cellular dysfunction. Polymorphisms in the MTHFR gene, especially C677T, have been associated with various diseases, including cardiovascular diseases (CVDs), cancer, inflammatory conditions, diabetes, and vascular disorders. The C677T MTHFR polymorphism is thought to be the most common cause of elevated Hcy levels, which is considered an independent risk factor for CVD. This polymorphism results in an amino acid change from alanine to valine, which prevents optimal functioning of the enzyme at temperatures above 37 °C. Many studies have been conducted to determine whether there is an association between the C677T polymorphism and increased risk for CVD. There is much evidence in favour of this association, while several studies have concluded that the polymorphism cannot be used to predict CVD development or progression. This review discusses current research regarding the C677T polymorphism and its relationship with CVD, inflammation, diabetes, and epigenetic regulation and compares the evidence provided for and against the association with CVD.
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Folate metabolism: Impact of involved genetic variants on homocycteine and folate levels in type 2 diabetic patients with coronary artery disease. Meta Gene 2020. [DOI: 10.1016/j.mgene.2020.100817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Chen J, Zhang A, Yang Y, Si Y, Hao D. Assessment of interleukin 6 gene polymorphisms with rheumatoid arthritis. Gene 2020; 765:145070. [PMID: 32898607 DOI: 10.1016/j.gene.2020.145070] [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] [Received: 05/29/2020] [Revised: 07/22/2020] [Accepted: 08/17/2020] [Indexed: 11/15/2022]
Abstract
BACKGROUND Rheumatoid arthritis (RA) is complex autoimmune system disease and significant impact on the health of population in our world. Numerous studies confirmed that genetic factors play a crucial role in the pathogenesis of RA. In this current study, we aimed to investigate IL-6 polymorphisms and RA risk in Chinese Han population. METHODS 508 RA patients and 494 age- and gender- matched healthy controls were recruited, all subjects were genotyped with an Agena MassARRAY platform. Subsequently, odds ratios (ORs) and 95% confidence intervals (CIs) were calculated by unconditional logistic regression after adjusting for age and gender. RESULTS Our results suggested that IL-6 rs2243289 allele and genotype frequencies were associated with reduced RA risk under all genetic models (all p < 0.05). Stratification analysis revealed that IL-6 rs2243289 polymorphism was significant associated with decreased the risk of RA in the old groups (age > 54) (all p < 0.05). However, IL-6 rs2069837 and rs1800796 polymorphisms were associated with increased risk of RA among the young groups (age ≤ 54) (all p < 0.05). In addition, subgroup analysis by gender suggested that IL-6 rs2069837 and rs1800796 polymorphism were interacted with increased the risk of RA in males (all p < 0.05). Besides, IL-6 rs2243289 was associated with reduced RA risk in females. CONCLUSIONS In conclusion, our results demonstrated the correlation between IL and 6 polymorphisms and RA susceptibility and confirmed for the first time that the relationship was restricted to age and gender in Chinese Han population.
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Affiliation(s)
- Jian Chen
- Department of Orthopedics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China; Department of Orthopedics, Guolong Hospital, Yinchuan, Ningxia 750004, China
| | - Aijun Zhang
- School of Laboratory Medicine, Ningxia Medical University, Yinchuan 750004, Ningxia, China
| | - Yonghui Yang
- Clinical Laboratory, Xi'an 630 Hospital, Yanliang, Xi'an 710000, Shaanxi, China
| | - Yufang Si
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Northwest University, Xi'an 710069, Shaanxi, China
| | - Dingjun Hao
- Department of Orthopedics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China; Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China.
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MTHFR gene polymorphisms and susceptibility to rheumatoid arthritis: a meta-analysis based on 16 studies. Clin Rheumatol 2020; 39:2267-2279. [PMID: 32170488 DOI: 10.1007/s10067-020-05031-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 02/25/2020] [Accepted: 03/05/2020] [Indexed: 12/24/2022]
Abstract
Rheumatoid arthritis (RA) is the most common autoimmune rheumatic disease, in which an epigenetic implication in the disease etiopathogenesis has been noted. Here in this meta-analysis, we attempted to investigate the pooled association of methylenetetrahydrofolate reductase (MTHFR) gene C677T and A1298C polymorphisms and susceptibility to RA risk. A systematic search was performed in the main databases, including MEDLINE and Scopus to search for studies assessing the association between MTHFR gene C677T and A1298C polymorphisms and the risk of RA prior to December 2019. In this meta-analysis, 15 studies with 2165 patients and 1751 healthy controls for C677T SNP and 14 studies containing 2021 patients and 1760 healthy controls for A1298C SNP were included. A significant positive association between C677T SNP and RA risk was recognized in the dominant, recessive, and allelic model, but not TT and CT genotypes. The results indicated that the risk of RA in African population was increased under all genotype models while these results were repeated in Asian population just for recessive model, allelic model, and TT genotype. Moreover, the analysis of A1298C SNP demonstrated a significant association in overall population according to only the recessive model and CC genotype. Subgroup analysis according to the genotyping method indicated that RFLP-PCR method could impress the results of association between MTHFR gene A1298C and C677T SNPs and RA risk. The outcome of this meta-analysis indicated that MTHFR gene C677T SNP was much possibly be associated with RA risk.
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9
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Wang S, Zuo S, Liu Z, Ji X, Yao Z, Wang X. Association of MTHFR and RFC1 gene polymorphisms with methotrexate efficacy and toxicity in Chinese Han patients with rheumatoid arthritis. J Int Med Res 2019; 48:300060519879588. [PMID: 31617429 PMCID: PMC7607194 DOI: 10.1177/0300060519879588] [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: 12/03/2022] Open
Abstract
Objective The objective was to explore the association of methylene tetrahydrofolate
reductase (MTHFR) C667T and A1298C and reduced folate
carrier 1 (RFC-1) A80G single nucleotide polymorphisms
(SNP) with rheumatoid arthritis (RA) and efficacy and toxicity of
methotrexate (MTX) treatment in Chinese Han patients in Henan, China. Methods Two hundred ninety-six patients with RA were enrolled (cases) and 120 healthy
individuals served as controls. The genotypes of MTHFR
C667T and A1298C SNP and RFC-1 A80G SNP were detected by
restriction fragment length polymorphism-PCR and compared between cases and
controls. We analyzed correlations of clinical effect, toxicity, and SNPs
after 6 months of MTX treatment. Results We detected no significant differences in MTHFR C677T and
A1298C and RFC-1 A80G SNPs between cases and controls. The
RFC-1 A80G SNP differed between RA patients with good
and poor efficacy after 6 months of MTX, and was an independent factor of
MTX efficacy. The MTHFR C677T SNP was differently
distributed in the adverse drug reaction (ADR) and non-ADR groups and was an
independent factor of MTX toxicity. Conclusions In Chinese Han patients with RA, the MTHFR C667T SNP may
correlate with MTX toxicity, whereas the RFC-1 A80G SNP may
correlate with MTX efficacy rather than toxicity.
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Affiliation(s)
- Shengli Wang
- Department of Orthopedics,the First Affiliated Hospital of Henan University, Kaifeng, Henan, China
| | - Shuguang Zuo
- Molecular Biology Laboratory,Huaihe Hospital of Henan University,Kaifeng, Henan,China
| | - Zhigang Liu
- Department of Orthopedics,the First Affiliated Hospital of Henan University, Kaifeng, Henan, China
| | - Xinying Ji
- Molecular Immunology Laboratory,Basic Medical College of Henan University, Kaifeng,Henan, China
| | - Zhenqiang Yao
- Molecular Biology Laboratory,the First Affiliated Hospital of Henan University, Kaifeng,Henan, China
| | - Xinchun Wang
- Molecular Biology Laboratory,the First Affiliated Hospital of Henan University, Kaifeng,Henan, China
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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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Kałużna EM, Strauss E, Świątek-Kościelna B, Zając-Spychała O, Gowin E, Nowak JS, Rembowska J, Januszkiewicz-Lewandowska D. The methylenetetrahydrofolate reductase 677T-1298C haplotype is a risk factor for acute lymphoblastic leukemia in children. Medicine (Baltimore) 2017; 96:e9290. [PMID: 29390492 PMCID: PMC5758194 DOI: 10.1097/md.0000000000009290] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The etiology of acute lymphoblastic leukemia (ALL) is complex, linked with both environmental exposures and genetic factors. Functional variants of the methylenetetrahydrofolate reductase (MTHFR) gene result in disturbance in folate metabolism and may affect susceptibility to cancer. The study was performed to evaluate whether MTHFR C677T and A1298C polymorphisms, analyzed separately and together, are associated with the development of ALL in a population under 18 years of age of Caucasian ancestry.The study included 117 pediatric patients (59% males, mean age at diagnosis 7.4 ± 5.2 years) with ALL, confirmed by conventional immunophenotyping surface-marker analysis and 404 healthy control subjects (48.5% men, mean age 37.7 ± 11.3 years). The MTHFR C677T and A1298C genotypes were analyzed using allele discrimination tests with Taq-Man fluorescent probes.The MTHFR 677TT genotype was related to a 2-fold increase in risk of ALL (P = .014). The 677T-1298C haplotype was found in ALL patients but not in controls (frequency 0.598%; P <.0001). The observed frequency of carriers of this rare haplotype was 12%, including 677CT/1298CC (1.7%), 677TT/1298AC (6.0%), and 677CT/1298AC (4.3%) genotypes.The MTHFR 677T allele alone or in combination with the MTHFR 1298C allele significantly increases the risk of development of ALL in Polish population under 18 years of age. Further studies of haplotype composition in subjects with the 677CT/1298AC genotype are necessary to assess the risk of childhood ALL.
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Affiliation(s)
| | - Ewa Strauss
- Institute of Human Genetics, Polish Academy of Sciences
- Department of Internal and Vascular Surgery, Poznan University of Medical Sciences, Laboratory for Basic Research and Translational Medicine
| | | | - Olga Zając-Spychała
- Department of Pediatric Oncology, Hematology and Bone Marrow Transplantation, Poznan University of Medical Sciences
| | - Ewelina Gowin
- Department of Family Medicine, Poznan University of Medical Sciences
| | | | | | - Danuta Januszkiewicz-Lewandowska
- Department of Pediatric Oncology, Hematology and Bone Marrow Transplantation, Poznan University of Medical Sciences
- Department of Medical Diagnostics, Poznan, Poland
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Huang H, Huang SC, Hua DJ, Sun QQ, Cen H, Xin XF. Interaction analysis between BLK rs13277113 polymorphism and BANK1 rs3733197 polymorphism, MMEL1/TNFRSF14 rs3890745 polymorphism in determining susceptibility to rheumatoid arthritis. Autoimmunity 2017; 50:403-408. [PMID: 28925718 DOI: 10.1080/08916934.2017.1377191] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Two pairwise genetic interactions (B cell lymphocyte kinase (BLK) rs13277113,B cell scaffold protein with ankyrin repeats 1 (BANK1) rs3733197and BLK rs13277113 membrane metalloendopeptidase like 1 (MMEL1)/ tumor necrosis factor receptor superfamily member 14 (TNFRSF14) rs3890745) have been demonstrated in determining susceptibility to rheumatoid arthritis (RA) without replication, thus this study was performed to examine whether abovementioned genetic polymorphisms were associated with RA and further tests were performed to see whether aforementioned genetic interactions existed in RA among Chinese population. A total of 328 patients with RA and 449 healthy control subjects were included in the current study. The polymorphisms were genotyped using the ligase detection reaction-polymerase chain reaction (LDR-PCR) technology. The association of RA with each polymorphism was analyzed by multivariate logistic regression model. Interaction analysis was done by multiple methods. Significant difference in genotype distribution of BLK rs13277113 polymorphism between RA patients and healthy controls was found (p = 1.01 × 10-2). The major allele A of BLK rs13277113 polymorphism was significantly increased in RA patients compared with controls (OR = 1.36, 95% CI = 1.08-1.71, p = 9.27 × 10-3). Significant association of RA with the major allele A of BLK rs13277113 polymorphism under dominant model was also detected (OR = 2.74, 95% CI = 1.42-5.29, p = 2.73 × 10-3). However, we did not find significant association between neither BANK1 rs3733197 polymorphism nor MMEL1/TNFRSF14 rs3890745 polymorphism and RA. Non-significant evidence was found for neither additive nor multiplicative interaction for these two pairwise genetic polymorphisms (BLK rs13277113-BANK1 rs3733197; BLK rs13277113-MMEL1/TNFRSF14 rs3890745). Significant association of RA with G allele of BANK1 rs3733197 polymorphism was only found among individuals carrying A/A genotype of the BLK rs13277113 polymorphism (OR = 1.49, 95% CI = 1.01-2.18, p = .04). In summary, our results indicated that the BLK rs13277113 polymorphism was involved in the genetic background of RA in Chinese population and the association of BANK1 rs3733197 polymorphism with RA was dependent on the genotype of BLK rs13277113 polymorphism, highlighting B-cell response implicated in the pathogenesis of RA.
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Affiliation(s)
- Hua Huang
- a Department of Rheumatology , Ningbo First Hospital, Ningbo Hospital of Zhejiang University , Ningbo , Zhejiang , PR China
| | - Si-Chao Huang
- b Department of Preventive Medicine , Medical School of Ningbo University , Ningbo , Zhejiang , PR China.,c Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine , Ningbo University , Ningbo , Zhejiang , PR China
| | - Dong-Jin Hua
- b Department of Preventive Medicine , Medical School of Ningbo University , Ningbo , Zhejiang , PR China.,c Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine , Ningbo University , Ningbo , Zhejiang , PR China
| | - Qing-Qing Sun
- b Department of Preventive Medicine , Medical School of Ningbo University , Ningbo , Zhejiang , PR China.,c Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine , Ningbo University , Ningbo , Zhejiang , PR China
| | - Han Cen
- b Department of Preventive Medicine , Medical School of Ningbo University , Ningbo , Zhejiang , PR China.,c Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine , Ningbo University , Ningbo , Zhejiang , PR China
| | - Xia-Fei Xin
- a Department of Rheumatology , Ningbo First Hospital, Ningbo Hospital of Zhejiang University , Ningbo , Zhejiang , PR China
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Cristalli CP, Zannini C, Comai G, Baraldi O, Cuna V, Cappuccilli M, Mantovani V, Natali N, Cianciolo G, La Manna G. Methylenetetrahydrofolate reductase, MTHFR, polymorphisms and predisposition to different multifactorial disorders. Genes Genomics 2017. [DOI: 10.1007/s13258-017-0552-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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An X, Yang Z, An Z. MiR-149 Compromises the Reactions of Liver Cells to Fatty Acid via its Polymorphism and Increases Non-Alcoholic Fatty Liver Disease (NAFLD) Risk by Targeting Methylene Tetrahydrofolate Reductase (MTHFR). Med Sci Monit 2017; 23:2299-2307. [PMID: 28507283 PMCID: PMC5443364 DOI: 10.12659/msm.901377] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Non-alcoholic fatty liver disease (NAFLD) is a worldwide health problem, and microRNA (miRNA) has been reported to be involved in NAFLD. The objective of our study was to explore the effect of polymorphism in miR-149 on the pathogenesis of NAFLD. MATERIAL AND METHODS Real-time PCR was performed to explore the effect of long-chain fatty acid (FFA) on the level of miR-149 and methylene tetrahydrofolate reductase (MTHFR). Then in-silicon analysis and luciferase assay were investigated to verify MTHFR was the target gene of miR-149. Finally, Western-blot analysis and real-time PCR were performed to confirm the control of MTHFR by miR-149. RESULTS In this study, we found that miR-149 was apparently upregulated in hepatocytes genotyped as TT treated with FFA; and MTHFR in hepatocytes genotyped as TT treated with FFA was evidently downregulated compared to control. Whereas, FFA had no obvious effect on MTHFR level in hepatocytes genotyped as CC. We searched an online miRNA database and found that miR-149 was a regulator of MTHFR expression, which was confirmed by luciferase assay. In hepatocytes genotyped as TT and treated with or without FFA, miR-149 mimic dose-dependently decreased the level of MTHFR, and miR-149 inhibitor dose-dependently increased the level of MTHFR. And in hepatocytes genotyped as CC treated with or without FFA exhibited a similar inhibition effect of miR-149 on expression of MTHFR. CONCLUSIONS The data suggested that the polymorphism in miR-149 played an important role in the development of NAFLD via altering the expression of miR-149 as well as its target, MTHFR.
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Affiliation(s)
- Xianchao An
- Department of Ultrasound, The Second Affiliated Hospital of Shanxi University of Chinese Medicine, Xianyang, Shaanxi, China (mainland)
| | - Zonglin Yang
- Department of Ultrasound, The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, China (mainland)
| | - Zhengzhuang An
- Department of Ultrasound, The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, China (mainland)
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Shao W, Yuan Y, Li Y. Association Between MTHFR C677T Polymorphism and Methotrexate Treatment Outcome in Rheumatoid Arthritis Patients: A Systematic Review and Meta-Analysis. Genet Test Mol Biomarkers 2017; 21:275-285. [PMID: 28277784 DOI: 10.1089/gtmb.2016.0326] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Wenjing Shao
- Department of Gynecology, First Hospital of Jilin University, Changchun, China
| | - Yi Yuan
- Department of Rheumatology, First Hospital of Jilin University, Changchun, China
| | - Yuying Li
- Cancer Center, First Hospital of Jilin University, Changchun, China
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Yuan Y, Shao W, Li Y. Associations between C677T and A1298C polymorphisms of MTHFR and susceptibility to rheumatoid arthritis: a systematic review and meta-analysis. Rheumatol Int 2017; 37:557-569. [PMID: 28175955 DOI: 10.1007/s00296-017-3650-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Accepted: 01/02/2017] [Indexed: 01/08/2023]
Abstract
Methylenetetrahydrofolatereductase (MTHFR) is an important enzyme involved in folate metabolism and DNA synthesis. Although a number of studies have examined the association of the MTHFR C677T and A1298C polymorphisms with susceptibility to rheumatoid arthritis (RA), the conclusions are controversial. A comprehensive literature search using PubMed, Embase, the Cochrane Library, CNKI and Wanfang databases was conducted for relevant studies on the association between MTHFR polymorphisms and RA risk. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated using fixed- and random-effect models. In total, 1854 cases and 1689 controls from 12 studies and 1525 cases and 1455 controls from 10 studies were included for the C677T and A1298C polymorphisms, respectively. Pooled results indicated that both C677T and A1298C polymorphisms were associated with RA susceptibility (C677T: TT vs. CC, OR = 1.31, 95% CI = 1.02-1.67, P = 0.032; TC vs. CC, OR = 1.32, 95% CI = 1.02-1.70, P = 0.032; TT + TC vs. CC, OR = 1.38, 95% CI = 1.07-1.78, P = 0.014; T vs. C, OR = 1.29, 95% CI = 1.06-1.57, P = 0.011; A1298C: CC vs. CA + AA: OR = 1.58, 95% CI = 1.20-2.06, P = 0.001). Further stratification based on ethnicity and geographic region indicated an association between the MTHFR C677T SNP and the risk of RA in Caucasian and patients in Africa. However, there is no evidence of significant association between A1298C polymorphism and RA risk in Caucasian or population in Africa. This meta-analysis indicates that MTHFR C677T and A1298C polymorphisms could be predictors of risk of RA and warrants validation in large and well-designed prospective studies.
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Affiliation(s)
- Yi Yuan
- Department of Rheumatology, First Hospital of Jilin University, Changchun, China
| | - Wenjing Shao
- Department of Gynecology, First Hospital of Jilin University, Changchun, China
| | - Yuying Li
- Cancer Center, First Hospital of Jilin University, 71 Xinmin Street, Changchun, 10032, Jilin Province, China.
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Fan S, Yang B, Zhi X, Wang Y, Zheng Q, Sun G. Combined genotype and haplotype distributions of MTHFR C677T and A1298C polymorphisms: A cross-sectional descriptive study of 13,473 Chinese adult women. Medicine (Baltimore) 2016; 95:e5355. [PMID: 27902594 PMCID: PMC5134799 DOI: 10.1097/md.0000000000005355] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Methylenetetrahydrofolate reductase (MTHFR) C677T and A1298C polymorphisms are, independently and/or in combination, associated with many disorders. However, data on the combined genotype and haplotype distributions of the 2 polymorphisms in Chinese population were limited.We recruited 13,473 adult women from 9 Chinese provinces, collected buccal cell samples, and determined genotypes, to estimate the combined genotype and haplotype distributions of the MTHFR C677T and A1298C polymorphisms.In the total sample, the 6 common combined genotypes were CT/AA (29.5%), TT/AA (21.9%), CC/AA (15.4%), CC/AC (14.9%), CT/AC (13.7%), and CC/CC (3.4%); the 3 frequent haplotypes were 677T-1298A (43.6%), 677C-1298A (37.9%), and 677C-1298C (17.6%). Importantly, we observed that there were 51 (0.4%) individuals with the CT/CC genotype, 92 (0.7%) with the TT/AC genotype, 17 (0.1%) with the TT/CC genotype, and that the frequency of the 677T-1298C haplotype was 0.9%. In addition, the prevalence of some combined genotypes and haplotypes varied among populations residing in different areas and even showed apparent geographical gradients. Further linkage disequilibrium analysis showed that the D' and r values were 0.883 and 0.143, respectively.In summary, the findings of our study provide further strong evidence that the MTHFR C677T and A1298C polymorphisms are usually in trans and occasionally in cis configurations. The frequencies of mutant genotype combinations were relatively higher in Chinese population than other populations, and showed geographical variations. These baseline data would be useful for future related studies and for developing health management programs.
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Affiliation(s)
- Shujun Fan
- Research Center of Environment and Non-Communicable Disease, School of Public Health, China Medical University, Shenyang
| | - Boyi Yang
- Guangzhou Key Laboratory of Environmental Pollution and Health Risk Assessment, Department of Preventive Medicine, School of Public Health, Sun Yat-sen University, Guangzhou
| | - Xueyuan Zhi
- Research Center of Environment and Non-Communicable Disease, School of Public Health, China Medical University, Shenyang
| | - Yanxun Wang
- Division of Molecular Preventive Medicine, Shanghai Institute of Targeted Therapy and Molecular Medicine, Shanghai, China
| | - Quanmei Zheng
- Research Center of Environment and Non-Communicable Disease, School of Public Health, China Medical University, Shenyang
| | - Guifan Sun
- Research Center of Environment and Non-Communicable Disease, School of Public Health, China Medical University, Shenyang
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