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Giammarco S, Chiusolo P, Maggi R, Rossi M, Minnella G, Metafuni E, D'Alò F, Sica S. MTHFR polymorphisms and vitamin B12 deficiency: correlation between mthfr polymorphisms and clinical and laboratory findings. Ann Hematol 2024:10.1007/s00277-024-05937-z. [PMID: 39196375 DOI: 10.1007/s00277-024-05937-z] [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: 05/03/2024] [Accepted: 08/08/2024] [Indexed: 08/29/2024]
Abstract
Vitamin B12 deficiency is a common condition that causes a variety of disorders ranging from the development of megaloblastic anemia to the building up of neurological damage. Historically one of the leading causes of B12 deficiency appears to be secondary to malabsorption in part caused by the development of atrophic gastritis in pernicious anemia. More recently B12 deficiency could also depend on dietary restrictions. Cobalamin deficiency also appears to be closely related to folate metabolism, causing a reduction in methionine synthase activity. This results in the accumulation of 5-methyltetrahydrofolate (5-MTHF) and defective DNA synthesis. It has been hypothesized that reduced activity of the enzyme methylene-tetrahydrofolate reductase (MTHFR) could reduce the production of 5-MTHF, thereby shifting folate metabolism to thymidylate synthesis and promoting proper DNA synthesis. Our aim was to investigate the role of the C677T and A1298C MTHFR gene polymorphisms, which are associated with reduced enzyme activity, in predisposing to the development of anemia, neurological symptoms, and atrophic gastritis in a population of 105 consecutive Italian patients with cobalamin deficiency. We found statistically significant correlations between the degree of anemia and thrombocytopenia and the C677T MTHFR polymorphism, while hemoglobin levels alone significantly correlated with A1298C polymorphism, contradicting the potential protective role of these polymorphisms. Furthermore, in patients with atrophic gastritis, we found an association between the absence of parietal cell antibodies and the presence of the C677T polymorphism in homozygosity. Our results suggest a role for MTHFR enzyme activity in the severity of hematologic manifestations of vitamin B12 deficiency and as an independent mechanism of predisposition to the development of atrophic gastritis.
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Affiliation(s)
- Sabrina Giammarco
- Dipartimento di Scienze di Laboratorio ed Infettivologiche, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Patrizia Chiusolo
- Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Roberto Maggi
- Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Monica Rossi
- Dipartimento di Scienze di Laboratorio ed Infettivologiche, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Gessica Minnella
- Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Elisabetta Metafuni
- Dipartimento di Scienze di Laboratorio ed Infettivologiche, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Francesco D'Alò
- Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Simona Sica
- Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, Rome, Italy.
- Fondazione Policlinico Universitario "A. Gemelli" -IRCCS, Rome, Italy.
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Jia J, Zhao H, Li F, Zheng Q, Wang G, Li D, Liu Y. Research on drug treatment and the novel signaling pathway of chronic atrophic gastritis. Biomed Pharmacother 2024; 176:116912. [PMID: 38850667 DOI: 10.1016/j.biopha.2024.116912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 06/04/2024] [Accepted: 06/06/2024] [Indexed: 06/10/2024] Open
Abstract
BACKGROUND Chronic atrophic gastritis (CAG) is a global digestive system disease and one of the important causes of gastric cancer. The incidence of CAG has been increasing yearly worldwide. PURPOSE This article reviews the latest research on the common causes and future therapeutic targets of CAG as well as the pharmacological effects of corresponding clinical drugs. We provide a detailed theoretical basis for further research on possible methods for the treatment of CAG and reversal of the CAG process. RESULTS CAG often develops from chronic gastritis, and its main pathological manifestation is atrophy of the gastric mucosa, which can develop into gastric cancer. The drug treatment of CAG can be divided into agents that regulate gastric acid secretion, eradicate Helicobacter. pylori (H. pylori), protect gastric mucous membrane, or inhibit inflammatory factors according to their mechanism of action. Although there are limited specific drugs for the treatment of CAG, progress is being made in defining the pathogenesis and therapeutic targets of the disease. Growing evidence shows that NF-κB, PI3K/AKT, Wnt/ β-catenin, MAPK, Toll-like receptors (TLRs), Hedgehog, and VEGF signaling pathways play an important role in the development of CAG.
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Affiliation(s)
- Jinhao Jia
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Traditional Chinese Medicine & Binzhou Hospital of Traditional Chinese Medicine, Binzhou Medical University, Yantai, Shandong 264003, PR China
| | - Huijie Zhao
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Traditional Chinese Medicine & Binzhou Hospital of Traditional Chinese Medicine, Binzhou Medical University, Yantai, Shandong 264003, PR China
| | - Fangfei Li
- Shum Yiu Foon Shum Bik Chuen Memorial Centre for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, Special Administrative Region of China
| | - Qiusheng Zheng
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Traditional Chinese Medicine & Binzhou Hospital of Traditional Chinese Medicine, Binzhou Medical University, Yantai, Shandong 264003, PR China; Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, School of Pharmacy, Shihezi University, Shihezi, Xinjiang 832003, PR China
| | - Guoli Wang
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Traditional Chinese Medicine & Binzhou Hospital of Traditional Chinese Medicine, Binzhou Medical University, Yantai, Shandong 264003, PR China
| | - Defang Li
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Traditional Chinese Medicine & Binzhou Hospital of Traditional Chinese Medicine, Binzhou Medical University, Yantai, Shandong 264003, PR China; Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, School of Pharmacy, Shihezi University, Shihezi, Xinjiang 832003, PR China.
| | - Ying Liu
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Traditional Chinese Medicine & Binzhou Hospital of Traditional Chinese Medicine, Binzhou Medical University, Yantai, Shandong 264003, PR China.
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Kong S, Zhang G, Yang Z, Kong Z, Ye F. Effects of folic acid supplementation on chronic atrophic gastritis based on MTHFR C677T polymorphism. Medicine (Baltimore) 2023; 102:e33980. [PMID: 37327296 PMCID: PMC10270466 DOI: 10.1097/md.0000000000033980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 05/22/2023] [Indexed: 06/18/2023] Open
Abstract
BACKGROUND It has been shown the methylenetetrahydrofolate reductase (MTHFR) 677TT (rs 1801133) genotype predicts histopathological alterations in the incisura of patients with chronic atrophic gastritis (CAG). MTHFR is a crucial enzyme in fatty acid (FA) metabolism. This study aimed to evaluate the influence of FA supplementation in CAG patients without Helicobacter pylori infection and the MTHFR C677T (rs 1801133) genotype as a potential CAG predictor. METHODS A total of 96 CAG patients, aged 21 to 72 years old, were enrolled in this study. After 6 months of treatment, histopathological outcomes were compared among patients treated with weifuchun (WFC) (1.44 g 3 times per os per day), those treated with WFC and FA (5 mg once daily), and those treated with WFC, FA, and vitamin B12 (VB12) (0.5 mg 3 times per day) based on the Operative Link on Gastritis/Intestinal Metaplasia assessment staging systems. RESULTS Atrophic lesions in patients treated with WFC and FA improved more than in patients treated only with WFC therapy (78.1% vs 53.3%, P = .04). Atrophic or intestinal metaplasia (IM) lesions in the incisura of patients with the TT genotype were better than those in patients with the CC/CT genotype (P = .02). CONCLUSION The treatment of CAG patients with 5 mg of FA supplements daily for 6 months improved their gastric atrophy status, especially for the Operative Link on Gastritis/Intestinal Metaplasia assessment stages I/II. Moreover, our study is the first to reveal that patients with the MTHFR 677TT genotype require more timely and effective FA treatment than those with the CC/CT genotype.
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Affiliation(s)
- Siya Kong
- Department of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- First Clinical Medical College of Nanjing Medical University, Nanjing, China
| | - Guoxin Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- First Clinical Medical College of Nanjing Medical University, Nanjing, China
| | - Zhen Yang
- Department of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- First Clinical Medical College of Nanjing Medical University, Nanjing, China
| | - Zihao Kong
- Department of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- First Clinical Medical College of Nanjing Medical University, Nanjing, China
| | - Feng Ye
- Department of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- First Clinical Medical College of Nanjing Medical University, Nanjing, China
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Li X, Feng M, Yuan G. Clinical efficacy of Weisu granule combined with Weifuchun tablet in the treatment of chronic atrophic gastritis and its effect on serum G-17, PG I and PG II levels. Am J Transl Res 2022; 14:275-284. [PMID: 35173844 PMCID: PMC8829644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 11/16/2021] [Indexed: 06/14/2023]
Abstract
OBJECTIVE The aim of this prospective study was to explore the clinical efficacy of Weisu granules combined with Weifuchun tablets in the treatment of chronic atrophic gastritis and its effect on serum gastrin-17 (G-17), pepsinogen I (PG I), and II (PG II) levels. METHODS Totally, 120 patients with chronic atrophic gastritis admitted to our hospital from February 2019 to February 2020 were enrolled and randomized into a control group (n=60) treated with Weifuchun tablets, and a experimental group given Weisu granules. Serum G-17, PG I, and PG II levels, inflammatory factor levels, TCM syndrome scores, gastric mucosa pathological scores, and clinical efficacy were compared between the two groups. Gastric tissue changes were observed using gastroscopy and HE staining. RESULTS After treatment, the levels of serum G-17, PG I, and PG II of the experimental group were significantly better than those of the control group (P<0.001). The levels of inflammatory factors, traditional Chinese medicine (TCM) syndrome scores, and gastric mucosal pathology scores of the experimental group were significantly lower than those of the control group (P<0.001). The overall response rate of the experimental group was significantly higher than that of the control group (P<0.05). The experimental group showed a lower HP positive result and a higher HP negative conversion ratio than the control group (all P<0.05). HE staining results revealed that after treatment, the number of glands was basically restored to the level of normal gastric mucosa, and the improvement of inflammatory cell infiltration in the experimental group was significantly better than that in the control group. CONCLUSION Weisu granule combined with Weifuchun tablets can ameliorate serum G-17, PG I, and PG II levels in patients with chronic atrophic gastritis, relieve inflammatory responses and clinical symptoms, and improve the treatment effect, which is worth promoting in clinical practice. CLINICAL TRIAL REGISTRATION Chinese Registry of Clinical Trials. TRIAL REGISTRATION NUMBER ChiCTR200002548416. Trial URL: http://www.chictr.org.cn/showproj.aspx?proj=26516901.
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Affiliation(s)
- Xiaolan Li
- Department of Gastroenterology, Zhangjiagang Hospital of Traditional Chinese Medicine, Nanjing University of Chinese Medicine HospitalNanjing 215600, Jiangsu, China
| | - Minxiao Feng
- Department of Gastroenterology, Zhangjiagang Hospital of Traditional Chinese Medicine, Nanjing University of Chinese Medicine HospitalNanjing 215600, Jiangsu, China
| | - Gang Yuan
- Department of Geriatrics, Luyuan HospitalZhangjiagang 215600, Jiangsu, China
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Walia HK, Singh N, Sharma S. MTHFR polymorphism as a predictive biomarker for gastrointestinal and hematological toxicity in North Indian adenocarcinoma patients. J Chemother 2021; 34:326-340. [PMID: 34730065 DOI: 10.1080/1120009x.2021.1997008] [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: 10/19/2022]
Abstract
In the present study, we investigated the relationship between the methylenetetrahydrofolate reductase (MTHFR) C677T and A1298C polymorphisms and overall survival, toxicity and treatment response for North Indian adenocarcinoma patients. The polymorphisms of MTHFR gene in north Indian adenocarcinoma patients were assessed by PCR-RFLP. Our data observed that patients with mutant genotype (C/C) for 1298 A>C) polymorphism showed higher trend of median survival time compared to patients bearing the wild type genotype (A/A) (MST= 13.93 vs. 7.97, p=0.12). Further, we observed patients with the heterozygous genotype for A1298C polymorphism had 12-fold risk of diarrhea (AOR =12.54, 95% CI = 1.54-101.86, p=0.018). The patients with heterozygous genotype (CT) of the C677T polymorphism had 5.34-fold increased risk of developing neutropenia (AOR=5.34, 95% CI=1.49-19.06, p=0.009). Our results suggest that MTHFR polymorphisms are associated with hematological toxicity. MTHFR polymorphism might impact the development of pemetrexed and platinum-related toxicities but not as a clinical predictor of efficiency.
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Affiliation(s)
- Harleen Kaur Walia
- Department of Biotechnology, Thapar Institute of Engineering & Technology, Patiala, India
| | - Navneet Singh
- Department of Pulmonary Medicine, Post Graduate Institute of Medical Education & Research (PGIMER), Chandigarh, India
| | - Siddharth Sharma
- Department of Biotechnology, Thapar Institute of Engineering & Technology, Patiala, India
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Wu X, Peng B, Qian K, Zhang W, Min J, Zhang M, Zeng F, Wang Z. The combination of methylenehydrofolate reductase C677T polymorphism screening and gastrointestinal tumor markers detection may be an early screening method for gastrointestinal cancer related to helicobacter pylori infection. Genes Dis 2021; 8:931-938. [PMID: 34522719 PMCID: PMC8427234 DOI: 10.1016/j.gendis.2021.02.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 02/20/2021] [Accepted: 02/21/2021] [Indexed: 01/12/2023] Open
Abstract
Methyltetrahydrofolate reductase (MTHFR) is a key enzyme in folate metabolism, and its single nucleotide polymorphism (SNP) site C677T may be associated with gastrointestinal cancer. However, the relationship between MTHFR C677T polymorphism and gastrointestinal tumor markers carcinoma embryonic antigen (CEA), carbohydrate antigen 199 (CA199) and carbohydrate antigen 724 (CA724) in Helicobacter pylori (H. pylori) infection is not specified. This study aims to identify the association between MTHFR C677T polymorphism and gastrointestinal tumor markers (CEA, CA199 and CA724) in H. pylori infection. The relationship between MTHFR C677T polymorphism and gastrointestinal tumor markers in 58 patients with H. pylori infection and 94 non-infected patients was studied. We found that TT genotype was a susceptibility factor of H. pylori infection, which was also associated with increased CEA and CA724 levels. Moreover, there was a negative additive interaction between MTHFR gene C677T polymorphism and CEA levels in H.pylori infection. Meanwhile, there were significant differences in CEA levels between MTHFR C677T polymorphism and H.pylori infection. The presence of T allele led to a decrease in CEA levels when 13C urea breath test (13C-UBT) was positive, while the presence of T allele led to an increase in CEA levels when 13C-UBT was negative. Therefore, we suggest that healthy people should take MTHFR C677T polymorphism screening, combined with 13C-UBT and gastrointestinal tumor markers detection, which can screen out the susceptible population of H. pylori, and help to detect gastrointestinal cancer in the early stage.
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Affiliation(s)
- Xiaoxing Wu
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Bin Peng
- School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, PR China
| | - Kun Qian
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Wei Zhang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Jiang Min
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Mingjun Zhang
- Health Management Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Fanling Zeng
- Health Management Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Ziwei Wang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
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Petrone I, Bernardo PS, dos Santos EC, Abdelhay E. MTHFR C677T and A1298C Polymorphisms in Breast Cancer, Gliomas and Gastric Cancer: A Review. Genes (Basel) 2021; 12:587. [PMID: 33920562 PMCID: PMC8073588 DOI: 10.3390/genes12040587] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 04/08/2021] [Accepted: 04/15/2021] [Indexed: 02/07/2023] Open
Abstract
Folate (vitamin B9) is found in some water-soluble foods or as a synthetic form of folic acid and is involved in many essential biochemical processes. Dietary folate is converted into tetrahydrofolate, a vital methyl donor for most methylation reactions, including DNA methylation. 5,10-methylene tetrahydrofolate reductase (MTHFR) is a critical enzyme in the folate metabolism pathway that converts 5,10-methylenetetrahydrofolate into 5-methyltetrahydrofolate, which produces a methyl donor for the remethylation of homocysteine to methionine. MTHFR polymorphisms result in reduced enzyme activity and altered levels of DNA methylation and synthesis. MTHFR polymorphisms have been linked to increased risks of several pathologies, including cancer. Breast cancer, gliomas and gastric cancer are highly heterogeneous and aggressive diseases associated with high mortality rates. The impact of MTHFR polymorphisms on these tumors remains controversial in the literature. This review discusses the relationship between the MTHFR C677T and A1298C polymorphisms and the increased risk of breast cancer, gliomas, and gastric cancer. Additionally, we highlight the relevance of ethnic and dietary aspects of population-based studies and histological stratification of highly heterogeneous tumors. Finally, this review discusses these aspects as potential factors responsible for the controversial literature concerning MTHFR polymorphisms.
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Affiliation(s)
- Igor Petrone
- Stem Cell Laboratory, Center for Bone Marrow Transplants, Brazilian National Cancer Institute—INCA, Rio de Janeiro 20230-240, Brazil; (E.C.d.S.); (E.A.)
- Stricto Sensu Graduate Program in Oncology, INCA, Rio de Janeiro 20230-240, Brazil;
| | - Paula Sabbo Bernardo
- Stricto Sensu Graduate Program in Oncology, INCA, Rio de Janeiro 20230-240, Brazil;
- Laboratory of Cellular and Molecular Hemato-Oncology, Molecular Hemato-Oncology Program, Brazilian National Cancer Institute—INCA, Rio de Janeiro 20230-240, Brazil
| | - Everton Cruz dos Santos
- Stem Cell Laboratory, Center for Bone Marrow Transplants, Brazilian National Cancer Institute—INCA, Rio de Janeiro 20230-240, Brazil; (E.C.d.S.); (E.A.)
- Stricto Sensu Graduate Program in Oncology, INCA, Rio de Janeiro 20230-240, Brazil;
| | - Eliana Abdelhay
- Stem Cell Laboratory, Center for Bone Marrow Transplants, Brazilian National Cancer Institute—INCA, Rio de Janeiro 20230-240, Brazil; (E.C.d.S.); (E.A.)
- Stricto Sensu Graduate Program in Oncology, INCA, Rio de Janeiro 20230-240, Brazil;
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