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Chen WJ, Huang SY, Chen YW, Liu YF, Huang RFS. Dietary Folate Deficiency Promotes Lactate Metabolic Disorders to Sensitize Lung Cancer Metastasis through MTOR-Signaling-Mediated Druggable Oncotargets. Nutrients 2023; 15:nu15061514. [PMID: 36986244 PMCID: PMC10052195 DOI: 10.3390/nu15061514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/17/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
Lactate metabolism plays a pivotal role in cancers but is often overlooked in lung cancer (LC). Folate deficiency has been linked to lung cancer development, but its impact on lactate metabolism and cancer malignancy is unclear. To investigate this, mice were fed either a folate-deficient (FD) or control diet and intrapleurally implanted with lung cancer cells pre-exposed to FD growth medium. Results showed that FD promoted lactate over-production and the formation of tumor oncospheroids (LCSs) with increased metastatic, migration, and invasion potential. Mice implanted with these cells and fed an FD diet developed hyperlactatemia in blood and lungs. This coincided with increased expression of hexokinase 2 (HK2), lactate dehydrogenase (LDH), and decreased expression of pyruvate dehydrogenase (PDH). Pre-treatment of the FD-LCS-implanted mice with the mTORC1 inhibitor, rapamycin, and the anti-metabolic drug metformin abolished FD/LCS-activated mTORC1 and its targets including HIF1α, HK2, LDH, and monocarboxylate transporters (MCT1 and MCT4), which coincided with the reduction in lactate disorders and prevention of LC metastasis. The findings suggest that dietary FD promotes lactate metabolic disorders that sensitize lung cancer metastasis through mTOR-signaling-mediated targets.
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Affiliation(s)
- Wan-Jing Chen
- Program in Nutrition and Food Science, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Su-Yu Huang
- Department of Nutritional Science, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Yi-Wen Chen
- Department of Nutritional Science, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Yi-Fang Liu
- Program in Nutrition and Food Science, Fu Jen Catholic University, New Taipei City 242, Taiwan
- Department of Nutritional Science, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Rwei-Fen S Huang
- Program in Nutrition and Food Science, Fu Jen Catholic University, New Taipei City 242, Taiwan
- Department of Nutritional Science, Fu Jen Catholic University, New Taipei City 242, Taiwan
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Wei Y, Xu B, He Q, Chen P, Zhang Q, Zhang X, Yuan H, Duan Y, Wang Z, Zhou Z, Liu L, Song Y, Mao G, Qin X, Tang G, Wang B, Zhang H, Guo H, Shi H. Serum total folate, 5-methyltetrahydrofolate and vitamin B12 concentrations on incident risk of lung cancer. Int J Cancer 2023; 152:1095-1106. [PMID: 36184907 DOI: 10.1002/ijc.34307] [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: 04/15/2022] [Revised: 09/03/2022] [Accepted: 09/07/2022] [Indexed: 01/21/2023]
Abstract
Tobacco smoking is a major known risk factor for lung cancer. While micronutrients, especially those involved in maintaining DNA integrity and regulating gene expression, may be protective, research on this association is limited. This report aimed to investigate associations of total folate, 5-methyltetrahydrofolate (5-mTHF) and vitamin B12 with incident risk of lung cancer, and whether the associations vary by smoking status. A nested case-control study with 490 incident lung cancer cases and 490 controls matched by age (±1 year), sex, residence, and center, drawn from a community-based prospective study in China, was conducted from 2016 to 2019. 5-mTHF accounted for the majority of total folate. Only 4.4% had detectable unmetabolized folic acid. Lung cancer cases had lower levels of 5-mTHF compared to controls. There was an inverse, nonlinear association between 5-mTHF and lung cancer, which persisted after adjustment for covariables (P for trend = .001). Compared to the lowest 5-mTHF quartile, those in higher quartiles had lower risks of lung cancer: second quartile OR = 0.65; 95% CI: 0.45-0.93; third quartile OR = 0.50; 95% CI: 0.34-0.74; fourth quartile OR = 0.56; 95% CI: 0.38-0.83. This inverse association was more pronounced among ever smokers; consistently, the highest risk of lung cancer (OR = 3.21, 95% CI: 1.97-5.24) was observed among ever smokers with low 5-mTHF levels compared to participants who never smoked and had higher 5-mTHF levels. Vitamin B12 was not associated with lung cancer risk. In this sample of Chinese adults without confounding by unmetabolized folic acid, higher levels of 5-mTHF were associated with lower risk of incident lung cancer.
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Affiliation(s)
- Yaping Wei
- College of Food Sciences and Nutritional Engineering, China Agricultural University, Beijing, China.,Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, China
| | - Benjamin Xu
- Departments of Epidemiology and Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Qiangqiang He
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, China.,Shenzhen Evergreen Medical Institute, Shenzhen, China
| | - Ping Chen
- College of Pharmacy, Jinan University, Guangzhou, China
| | - Qi Zhang
- Department of Gastrointestinal Surgery/Department of Clinical Nutrition, Beijing Shijitan Hospital, Capital Medical University, Beijing, China.,Beijing International Science and Technology Cooperation Base for Cancer Metabolism and Nutrition, Beijing, China
| | - Xi Zhang
- Department of Gastrointestinal Surgery/Department of Clinical Nutrition, Beijing Shijitan Hospital, Capital Medical University, Beijing, China.,Beijing International Science and Technology Cooperation Base for Cancer Metabolism and Nutrition, Beijing, China
| | - Hui Yuan
- Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Yong Duan
- Yunnan Key Laboratory of Laboratory Medicine, Kunming, China.,Department of Clinical Laboratory, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Zhuo Wang
- College of Food Sciences and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Ziyi Zhou
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, China.,Shenzhen Evergreen Medical Institute, Shenzhen, China
| | - Lishun Liu
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, China.,Shenzhen Evergreen Medical Institute, Shenzhen, China
| | - Yun Song
- Shenzhen Evergreen Medical Institute, Shenzhen, China.,Institute for Biomedicine, Anhui Medical University, Hefei, China
| | - Guangyun Mao
- Department of Preventive Medicine, School of Public Health & Management, Wenzhou Medical University, Wenzhou, China
| | - Xianhui Qin
- Division of Nephrology, Nanfang Hospital, Southern Medical University, National Clinical Research Center for Kidney Disease, State Key Laboratory for Organ Failure Research, Guangzhou, China
| | - Genfu Tang
- Institute for Biomedicine, Anhui Medical University, Hefei, China
| | - Binyan Wang
- Institute for Biomedicine, Anhui Medical University, Hefei, China
| | - Hao Zhang
- College of Food Sciences and Nutritional Engineering, China Agricultural University, Beijing, China.,Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, China
| | - Huiyuan Guo
- College of Food Sciences and Nutritional Engineering, China Agricultural University, Beijing, China.,Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, China
| | - Hanping Shi
- Department of Gastrointestinal Surgery/Department of Clinical Nutrition, Beijing Shijitan Hospital, Capital Medical University, Beijing, China.,Beijing International Science and Technology Cooperation Base for Cancer Metabolism and Nutrition, Beijing, China.,Key Laboratory of Cancer FSMP for State Market Regulation, Beijing, China
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Xuan DTM, Yeh IJ, Su CY, Liu HL, Ta HDK, Anuraga G, Chiao CC, Wang CY, Yen MC. Prognostic and Immune Infiltration Value of Proteasome Assembly Chaperone (PSMG) Family Genes in Lung Adenocarcinoma. Int J Med Sci 2023; 20:87-101. [PMID: 36619227 PMCID: PMC9812804 DOI: 10.7150/ijms.78590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 11/19/2022] [Indexed: 12/23/2022] Open
Abstract
The complexity of lung adenocarcinoma (LUAD) including many interacting biological processes makes it difficult to find therapeutic biomarkers for treatment. Previous studies demonstrated that PSMG (proteasome assembly chaperone) family members regulate the degradation of abnormal proteins. However, transcript expressions of this gene family in LUAD still need to be more fully investigated. Therefore, we used a holistic bioinformatics approach to explore PSMG genes involved in LUAD patients by integrating several high-throughput databases and tools including The Cancer Genome Atlas (TCGA), and Kaplan-Meier plotter database. These data demonstrated that PSMG3 and PSMG4 were expressed at significantly higher levels in neoplastic cells than in normal lung tissues. Notably, increased expressions of these proteins were correlated with poor prognoses of lung cancer patients, which probably confirmed their fundamental roles in the staging of LUAD tumors. Meanwhile, it was also indicated that there were positive correlations between PSMG family genes and the immune response, metabolism of ubiquinone, cell cycle regulatory pathways, and heat shock protein 90 (HSP90)/phosphatidylinositol 3-kinase (PI3K)/Wnt signaling. Experimental data also confirmed that the knockdown of PSMG4 in LUAD cell lines decreased cell proliferation and influenced expressions of downstream molecules. Collectively, this study revealed that PSMG family members are novel prognostic biomarkers for LUAD progression, which also provide new therapeutic targets of LUAD patients.
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Affiliation(s)
- Do Thi Minh Xuan
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan
| | - I-Jeng Yeh
- Department of Emergency Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.,Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Che-Yu Su
- Department of Emergency Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Hsin-Liang Liu
- Department of Emergency Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Hoang Dang Khoa Ta
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science, Taipei Medical University, Taipei 11031, Taiwan
| | - Gangga Anuraga
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science, Taipei Medical University, Taipei 11031, Taiwan.,Department of Statistics, Faculty of Science and Technology, PGRI Adi Buana University, East Java, Surabaya 60234, Indonesia
| | - Chung-Chieh Chiao
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science, Taipei Medical University, Taipei 11031, Taiwan
| | - Chih-Yang Wang
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan.,Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science, Taipei Medical University, Taipei 11031, Taiwan.,TMU Research Center of Cancer Translational Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Meng-Chi Yen
- Department of Emergency Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.,Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
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Lin YS, Chen YC, Chen TE, Cheng ML, Lynn KS, Shah P, Chen JS, Huang RFS. Probing Folate-Responsive and Stage-Sensitive Metabolomics and Transcriptional Co-Expression Network Markers to Predict Prognosis of Non-Small Cell Lung Cancer Patients. Nutrients 2022; 15:nu15010003. [PMID: 36615660 PMCID: PMC9823804 DOI: 10.3390/nu15010003] [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: 11/04/2022] [Revised: 12/06/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022] Open
Abstract
Tumour metabolomics and transcriptomics co-expression network as related to biological folate alteration and cancer malignancy remains unexplored in human non-small cell lung cancers (NSCLC). To probe the diagnostic biomarkers, tumour and pair lung tissue samples (n = 56) from 97 NSCLC patients were profiled for ultra-performance liquid chromatography tandem mass spectrometry (UPLC/MS/MS)-analysed metabolomics, targeted transcriptionomics, and clinical folate traits. Weighted Gene Co-expression Network Analysis (WGCNA) was performed. Tumour lactate was identified as the top VIP marker to predict advance NSCLC (AUC = 0.765, Sig = 0.017, CI 0.58-0.95). Low folate (LF)-tumours vs. adjacent lungs displayed higher glycolytic index of lactate and glutamine-associated amino acids in enriched biological pathways of amino sugar and glutathione metabolism specific to advance NSCLCs. WGCNA classified the green module for hub serine-navigated glutamine metabolites inversely associated with tumour and RBC folate, which module metabolites co-expressed with a predominant up-regulation of LF-responsive metabolic genes in glucose transport (GLUT1), de no serine synthesis (PHGDH, PSPH, and PSAT1), folate cycle (SHMT1/2 and PCFR), and down-regulation in glutaminolysis (SLC1A5, SLC7A5, GLS, and GLUD1). The LF-responsive WGCNA markers predicted poor survival rates in lung cancer patients, which could aid in optimizing folate intervention for better prognosis of NSCLCs susceptible to folate malnutrition.
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Affiliation(s)
- Yu-Shun Lin
- Department of Nutritional Science, Fu Jen Catholic University, New Taipei City 242062, Taiwan
| | - Yen-Chu Chen
- Department of Nutritional Science, Fu Jen Catholic University, New Taipei City 242062, Taiwan
| | - Tzu-En Chen
- Department of Nutritional Science, Fu Jen Catholic University, New Taipei City 242062, Taiwan
| | - Mei-Ling Cheng
- Metabolomics Core Laboratory, Healthy Aging Research Center, Chang Gung University, Taoyuan 33302, Taiwan
| | - Ke-Shiuan Lynn
- Department of Mathematics, Fu Jen Catholic University, New Taipei City 242062, Taiwan
| | - Pramod Shah
- Department of Nutritional Science, Fu Jen Catholic University, New Taipei City 242062, Taiwan
- Praexisio Taiwan Inc., New Taipei City 22180, Taiwan
| | - Jin-Shing Chen
- Division of Thoracic Surgery, Department of Surgery, National Taiwan University Hospital, Taipei 100225, Taiwan
- Correspondence: (J.-S.C.); (R.-F.S.H.); Tel.: +886-2-2905-2512 (R.-F.S.H.)
| | - Rwei-Fen S. Huang
- Department of Nutritional Science, Fu Jen Catholic University, New Taipei City 242062, Taiwan
- Correspondence: (J.-S.C.); (R.-F.S.H.); Tel.: +886-2-2905-2512 (R.-F.S.H.)
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Shen PW, Ho CT, Hsiao SH, Chou YT, Chang YC, Liu JJ. Disruption of Cytosolic Folate Integrity Aggravates Resistance to Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitors and Modulates Metastatic Properties in Non-Small-Cell Lung Cancer Cells. Int J Mol Sci 2021; 22:ijms22168838. [PMID: 34445544 PMCID: PMC8396212 DOI: 10.3390/ijms22168838] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/29/2021] [Accepted: 08/13/2021] [Indexed: 01/04/2023] Open
Abstract
Patients with advanced-stage non-small-cell lung cancer (NSCLC) are susceptible to malnutrition and develop folate deficiency (FD). We previously found that folate deprivation induces drug resistance in hepatocellular carcinoma; here, we assessed whether disrupted cytoplasmic folate metabolism could mimic FD-induced metastasis and affect the sensitivity of NSCLC cells to epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs). We examined whether cytosolic folate metabolism in NSCLC cells was disrupted by FD or the folate metabolism blocker pemetrexed for 1–4 weeks. Our results revealed an increase in NF-κB overexpression–mediated epithelial-mesenchymal transition biomarkers: N-cadherin, vimentin, matrix metalloproteinases (MMPs), SOX9, and SLUG. This finding suggests that the disruption of folate metabolism can drastically enhance the metastatic properties of NSCLC cells. Cytosolic FD also affected EGFR-TKI cytotoxicity toward NSCLC cells. Because SLUG and N-cadherin are resistance effectors against gefitinib, the effects of SLUG knockdown in folate antagonist–treated CL1-0 cells were evaluated. SLUG knockdown prevented SLUG/NF-κB/SOX9-mediated invasiveness and erlotinib resistance acquisition and significantly reduced pemetrexed-induced gelatinase activity and MMP gene expression. To summarize, our data reveal two unprecedented adverse effects of folate metabolism disruption in NSCLC cells. Thus, the folic acid status of patients with NSCLC under treatment can considerably influence their prognosis.
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Affiliation(s)
- Po-Wen Shen
- Program in Molecular Medicine, National Yang Ming Chiao Tung University and Academia Sinica, Taipei 112, Taiwan;
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan;
| | - Chun-Te Ho
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 110, Taiwan;
| | - Shih-Hsin Hsiao
- Division of Pulmonary Medicine, Department of Internal Medicine, Taipei Medical University Hospital, Taipei 110, Taiwan;
| | - Yu-Ting Chou
- Department of Life Science, National Tsing Hua University, Hsinchu 300, Taiwan;
| | - Yi-Cheng Chang
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan;
- Department of Internal Medicine, National Taiwan University Hospital, Taipei 110, Taiwan
- Graduate Institute of Medical Genomics and Proteomics, National Taiwan University, Taipei 110, Taiwan
| | - Jun-Jen Liu
- School of Medical Laboratory Science and Biotechnology, Taipei Medical University, Taipei 110, Taiwan
- Ph.D. Program in Medical Biotechnology, Taipei Medical University, Taipei 110, Taiwan
- Ph.D. Program in Biotechnology Research and Development, Taipei Medical University, Taipei 110, Taiwan
- Correspondence: ; Tel.: +886-2-27361661
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Wang C, Tong CM, Zhang Y, Chen GX, Xiong F, Wang J. Association of folate metabolism-related genetic polymorphisms with susceptibility to breast cancer: A protocol for a systematic review and meta-analysis. Medicine (Baltimore) 2021; 100:e26926. [PMID: 34397937 PMCID: PMC8360487 DOI: 10.1097/md.0000000000026926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 07/27/2021] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Breast cancer has recently become one of the most common causes of cancer-related deaths, and several studies have suggested that genetic polymorphisms in the folate metabolism pathway may be associated with susceptibility to breast cancer, although their results have been inconsistent or inconclusive. Therefore, the aim of this meta-analysis was to obtain accurate, consistent conclusions regarding the potential associations of genetic polymorphisms in the folate metabolism pathway with the risk of breast cancer, based on case-controlled studies. METHODS From the beginning of database establishment through May 2021, we indexed and searched domestic and foreign databases, including the Chinese National Knowledge Infrastructure, Web of Science, VIP and BioMedical Database of China, PubMed, EMBASE, Wanfang database, and the Cochrane Library. To determine the effects of folate metabolism-related genetic polymorphisms on breast cancer risk, we used Stata version 16.0 to analyze all data and calculated variable odds ratios and 95% confidence intervals. RESULTS The findings of the current meta-analysis are going to be presented to peer-reviewed journals for publication when the analysis is completed. CONCLUSION The meta-analysis will summarize the association of genetic polymorphisms in the folate metabolism pathway with breast cancer. REGISTRATION NUMBER May 26, 2021.osf.io/25r48. (https://osf.io/25r48/).
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Zhang L, Sun J, Li Z, Zhang D. The relationship between serum folate and grip strength in American adults. Arch Osteoporos 2021; 16:97. [PMID: 34148134 DOI: 10.1007/s11657-021-00937-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 05/10/2021] [Indexed: 02/03/2023]
Abstract
UNLABELLED We used data from NHANES to explore the associations between serum folate and grip strength, and found that high levels of serum folate were associated with increased grip strength among females rather than males. It is recommended to maintain a proper level of serum folate, especially in women. PURPOSE Associations and dose-response relationships between serum total folate, 5-methyltetrahydrofolate, and grip strength in general adults were unknown. Thus, we conducted this analysis for further exploration. METHODS Data from the National Health and Nutrition Examination Survey (NHANES) database of 2011-2014 cycle were used. The independent variables including serum total folate, combined total folate (total folate plus Mefox), and 5-methyltetrahydrofolate. The dependent variable was BMI-corrected grip strength. Linear regression and the restricted cubic splines were used in our analyses. RESULTS A total of 9079 adults aged over 20 years were included. In multivariate-adjusted model 2, compared with quartile (Q) 1, grip strength increased in Q3 of combined total folate and total folate, and the weighted β values with 95% confidence intervals (CIs) of grip strength were 0.06 (0.01, 0.12) and 0.06 (0.00, 0.10) for combined total folate and total folate, respectively. In the stratified analysis by gender, positive relationships between combined total folate, total folate, and 5-methyltetrahydrofolate and grip strength were found only in females, with β (95% CIs) of 0.07 (0.02, 0.12), 0.07 (0.03, 0.12), and 0.09 (0.05, 0.13) for combined total folate, total folate, and 5-methyltetrahydrofolate in Q4, respectively. Non-linear positive dose-response relationships between serum folate and grip strength were also found only in females, not in males. CONCLUSION Our study suggested a positive association between serum folate and grip strength, while this positive association was only found in females; besides, the dose-response relationships were in a non-linear trend. Thus, it is recommended to maintain a proper serum folate level to keep better muscle strength, especially for women.
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Affiliation(s)
- Liming Zhang
- Department of Epidemiology and Health Statistics, The School of Public Health of Qingdao University, No.308 Ningxia Road, Qingdao, 266021, China
| | - Jing Sun
- Department of Epidemiology and Health Statistics, The School of Public Health of Qingdao University, No.308 Ningxia Road, Qingdao, 266021, China
| | - Zhaoying Li
- Department of Epidemiology and Health Statistics, The School of Public Health of Qingdao University, No.308 Ningxia Road, Qingdao, 266021, China
| | - Dongfeng Zhang
- Department of Epidemiology and Health Statistics, The School of Public Health of Qingdao University, No.308 Ningxia Road, Qingdao, 266021, China.
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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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In vivo synergistic anti-tumor effect of lumefantrine combined with pH responsive behavior of nano calcium phosphate based lipid nanoparticles on lung cancer. Eur J Pharm Sci 2021; 158:105657. [DOI: 10.1016/j.ejps.2020.105657] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 11/25/2020] [Accepted: 11/25/2020] [Indexed: 12/26/2022]
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10
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Qu Y, Hao C, Zhai R, Yao W. Folate and macrophage folate receptor-β in idiopathic pulmonary fibrosis disease: the potential therapeutic target? Biomed Pharmacother 2020; 131:110711. [DOI: 10.1016/j.biopha.2020.110711] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 08/10/2020] [Accepted: 08/28/2020] [Indexed: 02/07/2023] Open
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Bae JM. Serum Folate Levels and Lung Cancer Risk: A Meta- Epidemiological Study of Population-based Case-Control Studies. Asian Pac J Cancer Prev 2020; 21:1829-1833. [PMID: 32592384 PMCID: PMC7568864 DOI: 10.31557/apjcp.2020.21.6.1829] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Indexed: 01/02/2023] Open
Abstract
OBJECTIVE While it has been claimed that lung cancer occurs due to epigenetic mechanisms, four systematic reviews were reported to investigate the association between serum folate levels and lung cancer risk. Considering some methodological problems founded in the systematic review, a meta-epidemiological study was conducted. METHODS The selection criteria of this study were defined that a case-control study was conducted to determine the risk of lung cancer occurrence according to the concentration of serum folate and its results showed odds ratio and its 95% confidence interval. Additional paper was explored from cited lists of 4 papers selected by previous systematic reviews. Random effect model was applied if I-squared value was over 50%. RESULTS For 5 case-control studies selected, the summary odds ratios (and their 95% confidence intervals) were 0.82 (0.74-0.90) in men, 0.70 (0.62-0.79) in former smokers, and 0.86 (0.75-1.00) in non-smokers. CONCLUSION Higher foliate levels can decrease lung cancer risk in men and former smokers. Especially, the protective effect was highest in former smokers compared in non-smokers and current smokers. Based on these facts, folate fortification programs to reduce lung cancer risk would be focused on former smokers in men. And some epidemiological studies are needed to provide a hypothesis to explain the sex differences in the association between folate and lung cancer risk.
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Affiliation(s)
- Jong-Myon Bae
- Department of Preventive Medicine, Jeju National University College of Medicine, Jeju, Republic of Korea
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12
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Saito S, Koya Y, Kajiyama H, Yamashita M, Kikkawa F, Nawa A. Folate-appended cyclodextrin carrier targets ovarian cancer cells expressing the proton-coupled folate transporter. Cancer Sci 2020; 111:1794-1804. [PMID: 32154964 PMCID: PMC7226238 DOI: 10.1111/cas.14379] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 02/26/2020] [Accepted: 03/02/2020] [Indexed: 12/16/2022] Open
Abstract
Folate receptor alpha (FRα) is overexpressed in >80% of epithelial ovarian cancer (EOC). Accordingly, folate is attracting attention as a targeting ligand for EOC. For EOC patients, paclitaxel (PTX) is generally used as a first‐line chemotherapeutic agent in combination with platinum‐based drugs. Cyclodextrin (CyD) is a potential new formulation vehicle for PTX that could replace Cremophor‐EL, a traditional formulation vehicle that causes significant side effects, including neutropenia. Several years ago, folate‐appended β‐CyD (Fol‐c1‐β‐CyD) was developed as an FRα‐targeting drug carrier, but its efficacy as a treatment for EOC remains to be determined. In this study, we assessed the antitumor activity of PTX in Fol‐c1‐β‐CyD (PTX/Fol‐c1‐β‐CyD) in EOC‐derived cell lines. We found that PTX/Fol‐c1‐β‐CyD killed not only FRα‐expressing cells but also FRα‐negative cells. In the FRα‐negative A2780 cells, knockdown of proton‐coupled folate transporter (PCFT) significantly decreased the cytotoxicity of PTX/Fol‐c1‐β‐CyD, whereas knockdown of FRα did not. By contrast, knockdown of either FRα or proton‐coupled folate transporter (PCFT) decreased the cytotoxicity of PTX/Fol‐c1‐β‐CyD in FRα‐expressing SK‐OV‐3 cells. Furthermore, the cytotoxicity of PTX/Fol‐c1‐β‐CyD in A2780 cells was increased at acidic pH, and this increase was suppressed by PCFT inhibitor. In mice intraperitoneally inoculated with FRα‐expressing or PCFT‐expressing EOC cells, intraperitoneal administration of PTX/Fol‐c1‐β‐CyD significantly suppressed the growth of both types of EOC cells relative to PTX alone, without inducing a significant change in the neutrophil/white blood cell ratio. Our data suggest that Fol‐c1‐β‐CyD targets not only FRα but also PCFT, and can efficiently deliver anticancer drugs to EOC cells in the peritoneal cavity.
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Affiliation(s)
- Shinichi Saito
- Department of Obstetrics and Gynecology Collaborative Research, Bell Research Center, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Bell Research Center for Reproductive Health and Cancer, Medical Corporation Kishokai, Aichi, Japan
| | - Yoshihiro Koya
- Department of Obstetrics and Gynecology Collaborative Research, Bell Research Center, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Bell Research Center for Reproductive Health and Cancer, Medical Corporation Kishokai, Aichi, Japan
| | - Hiroaki Kajiyama
- Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Mamoru Yamashita
- Bell Research Center for Reproductive Health and Cancer, Medical Corporation Kishokai, Aichi, Japan
| | - Fumitaka Kikkawa
- Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Akihiro Nawa
- Department of Obstetrics and Gynecology Collaborative Research, Bell Research Center, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Bell Research Center for Reproductive Health and Cancer, Medical Corporation Kishokai, Aichi, Japan
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13
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Dai W, Liu H, Liu Y, Xu X, Qian D, Luo S, Cho E, Zhu D, Amos CI, Fang S, Lee JE, Li X, Nan H, Li C, Wei Q. Genetic variants in the folate metabolic pathway genes predict cutaneous melanoma-specific survival. Br J Dermatol 2020; 183:719-728. [PMID: 31955403 DOI: 10.1111/bjd.18878] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/13/2020] [Indexed: 01/05/2023]
Abstract
BACKGROUND Folate metabolism plays an important role in DNA methylation and nucleic acid synthesis and thus may function as a regulatory factor in cancer development. Genome-wide association studies (GWASs) have identified some single-nucleotide polymorphisms (SNPs) associated with cutaneous melanoma-specific survival (CMSS), but no SNPs were found in genes involved in the folate metabolic pathway. OBJECTIVES To examine associations between SNPs in folate metabolic pathway genes and CMSS. METHODS We comprehensively evaluated 2645 (422 genotyped and 2223 imputed) common SNPs in folate metabolic pathway genes from a published GWAS of 858 patients from The University of Texas MD Anderson Cancer Center and performed the validation in another GWAS of 409 patients from the Nurses' Health Study and Health Professionals Follow-up Study, in which 95/858 (11·1%) and 48/409 (11·7%) patients died of cutaneous melanoma, respectively. RESULTS We identified two independent SNPs (MTHFD1 rs1950902 G>A and ALPL rs10917006 C>T) to be associated with CMSS in both datasets, and their meta-analysis yielded an allelic hazards ratio of 1·75 (95% confidence interval 1·32-2·32, P = 9·96 × 10-5 ) and 2·05 (1·39-3·01, P = 2·84 × 10-4 ), respectively. The genotype-phenotype correlation analyses provided additional support for the biological plausibility of these two variants' roles in tumour progression, suggesting that variation in SNP-related mRNA expression levels is likely to be the mechanism underlying the observed associations with CMSS. CONCLUSIONS Two possibly functional genetic variants, MTHFD1 rs1950902 and ALPL rs10917006, were likely to be independently or jointly associated with CMSS, which may add to personalized treatment in the future, once further validated. What is already known about this topic? Existing data show that survival rates vary among patients with melanoma with similar clinical characteristics; therefore, it is necessary to identify additional complementary biomarkers for melanoma-specific prognosis. A hypothesis-driven approach, by pooling the effects of single-nucleotide polymorphisms (SNPs) in a specific biological pathway as genetic risk scores, may provide a prognostic utility, and genetic variants of genes in folate metabolism have been reported to be associated with cancer risk. What does this study add? Two genetic variants in the folate metabolic pathway genes, MTHFD1 rs1950902 and ALPL rs10917006, are significantly associated with cutaneous melanoma-specific survival (CMSS). What is the translational message? The identification of genetic variants will make a risk-prediction model possible for CMSS. The SNPs in the folate metabolic pathway genes, once validated in larger studies, may be useful in the personalized management and treatment of patients with cutaneous melanoma.
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Affiliation(s)
- W Dai
- Department of Dermatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China.,Duke Cancer Institute, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Medicine, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - H Liu
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Medicine, Duke University Medical Center, Durham, NC, 27710, USA
| | - Y Liu
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Medicine, Duke University Medical Center, Durham, NC, 27710, USA
| | - X Xu
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Medicine, Duke University Medical Center, Durham, NC, 27710, USA
| | - D Qian
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Medicine, Duke University Medical Center, Durham, NC, 27710, USA
| | - S Luo
- Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, NC, 27710, USA
| | - E Cho
- Department of Dermatology, Warren Alpert Medical School, Brown University, Providence, RI, 02912, USA.,Department of Epidemiology, Brown University School of Public Health, Providence, RI, 02912, USA.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA, 02115, USA
| | - D Zhu
- Institute for Clinical and Translational Research, Baylor College of Medicine, Houston, TX, 77030, USA
| | - C I Amos
- Institute for Clinical and Translational Research, Baylor College of Medicine, Houston, TX, 77030, USA
| | - S Fang
- Department of Surgical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX, 77030, USA
| | - J E Lee
- Department of Surgical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX, 77030, USA
| | - X Li
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA, 02115, USA.,Department of Epidemiology, Fairbanks School of Public Health, Indiana University, Indianapolis, IN, 46202, USA
| | - H Nan
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA, 02115, USA.,Department of Epidemiology, Fairbanks School of Public Health, Indiana University, Indianapolis, IN, 46202, USA
| | - C Li
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Q Wei
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Medicine, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, 27710, USA
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14
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Magnetic nanocarriers: Emerging tool for the effective targeted treatment of lung cancer. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2019.101493] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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15
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Zhang Q, Zhang J, Zhang J, Aerxiding P, Quhai A, Chen C, Shan L. The Biological-Behavioral Effect Of Neuritin On Non-Small Cell Lung Cancer Vascular Endothelial Cells Via VEGFR And Notch1. Onco Targets Ther 2019; 12:9747-9755. [PMID: 31819478 PMCID: PMC6876221 DOI: 10.2147/ott.s212771] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 09/06/2019] [Indexed: 12/30/2022] Open
Abstract
Purpose This study aims to elucidate the biological behavior of Neuritin abnormal expression in pulmonary vascular endothelial cells (VECs) of non-small cell lung cancer (NSCLC), and explore its possible underlying mechanisms. Patients and methods Primary NSCLC-VECs were isolated from 10 cancer tissues from NSCLC patients, purified and identified by CD34 and Factor VIII staining. Real-time PCR and Western-blot were adopted for detecting the expression levels of Neuritin, Notch1, and VEGFR in NSCLC-VECs and HPMECs. Neuritin-overexpression, Neuritin-knockdown NSCLC-VECs and HPMECs were constructed by transfection of pcDNA3, 1-Neuritin vector, and pBS/U6-Neuritin siRNA. Changes in cell proliferation, migration, cell cycle, and apoptosis were determined by using the MTT assay, scratch assay, transwell migration assay, and flow cytometry, respectively. Post-transfection changes in cell morphology were examined by scanning electron microscopy. Results The expression of Neuritin in NSCLC-VECs was significantly higher compared to that in HPMECs (p<0.01). Overexpression of Neuritin increased the expression of VEGFR while it reduced the expression of Notch1 (p<0.01); it also promoted cell proliferation, scratch healing, and in vitro migration (p<0.05) in HPMECs and NSCLC-VECs cells. Additionally, overexpression of Neuritin stimulated cell cycle progression and inhibited apoptosis in HPMECs and NSCLC-VECs (p<0.001). Under electron microscope, the pseudopodium of cell surface was obvious, indicating that the intercellular adhesion was upregulated. However, knockdown of Neuritin in HPMECs and NSCLC-VECs played exactly the opposite roles. Conclusion Neuritin was key in the progression of NSCLC through its biological activities, including anti-apoptosis, promoting VEC proliferation, migration, and cell cycle progression. Neuritin may affect its biological activity by positively regulating VEGFR expression and negatively regulating Notch1 signaling. Neuritin may serve as a potential biomarker for NSCLC.
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Affiliation(s)
- Qiao Zhang
- Department of Thoraciconcology, The Third Affiliated Hospital of Xinjiang Medical University, Tumor Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang 830011, People's Republic of China
| | - Juan Zhang
- Department of Respiratory and Critical Care Medicine, First People's Hospital of Kashgar, Xinjiang 844000, People's Republic of China
| | - Jian Zhang
- Health Corps of the People's Liberation Army 69260 Troops, Urumqi, Xinjiang, 830002, People's Republic of China
| | - Patiguli Aerxiding
- Department of Thoraciconcology, The Third Affiliated Hospital of Xinjiang Medical University, Tumor Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang 830011, People's Republic of China
| | - Amina Quhai
- Department of Thoraciconcology, The Third Affiliated Hospital of Xinjiang Medical University, Tumor Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang 830011, People's Republic of China
| | - Cuncun Chen
- Department of Thoracic Surgery, Chest Hospital of Xinjiang Uyghur Autonomous Region, Urumqi, Xinjiang 830049, People's Republic of China
| | - Li Shan
- Department of Thoraciconcology, The Third Affiliated Hospital of Xinjiang Medical University, Tumor Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang 830011, People's Republic of China
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16
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Chen F, Wen T, Lv Q, Liu F. Associations between Folate Metabolism Enzyme Polymorphisms and Lung Cancer: A Meta-Analysis. Nutr Cancer 2019; 72:1211-1218. [PMID: 31661627 DOI: 10.1080/01635581.2019.1677924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Some previous studies already investigated potential associations between folate metabolism enzyme polymorphisms and lung cancer (LC). However, the results of these studies were inconsistent. Thus, we performed this meta-analysis to explore associations between folate metabolism enzyme polymorphisms and LC in a larger pooled population. Systematic literature research of PubMed, WOS, Embase and CNKI was performed to identify eligible studies. Review Manager Version 5.3.3 was used to conduct statistical analyses. Totally 37 genetic association studies were included for analyses. The pooled analyses showed that MTRR rs1801394 (dominant model: p = 0.01; recessive model: p = 0.04; allele model: p = 0.005) and MTHFR rs1801133 (dominant model: p = 0.008; recessive model: p = 0.0003; allele model: p = 0.0002) polymorphisms were both significantly associated with susceptibility to LC in overall population. Subgroup analyses revealed similar significant findings for MTHFR rs1801133 polymorphism in East Asians. Significant associations with LC were also observed for MTRR rs1801394 and MTHFR rs1801133 polymorphisms in smokers. In conclusion, this meta-analysis indicated that MTRR rs1801394 was significantly associated with LC in smokers, and MTHFR rs1801133 polymorphisms was also significantly associated with LC in smokers and East Asians. These results suggested that these two polymorphisms could be used to identify individuals at high risk of developing LC in certain populations.
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Affiliation(s)
- Fangshan Chen
- Department of Oncology and Hematology, Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
| | - Ting Wen
- Department of Oncology and Hematology, Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
| | - Qian Lv
- Pharmaceutical Food Cosmetics Laboratory, Luzhou Food and Drug Inspection Institute, Luzhou, Sichuan, China
| | - Furong Liu
- Department of Oncology and Hematology, Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
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17
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Mo W, Ding Y, Zheng Y, Zou D, Ding X. Associations between folate metabolism enzyme polymorphisms and breast cancer: A meta-analysis. Breast J 2019; 26:484-487. [PMID: 31549463 DOI: 10.1111/tbj.13527] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 06/04/2019] [Accepted: 06/05/2019] [Indexed: 12/14/2022]
Abstract
We performed this meta-analysis to explore associations between folate metabolism enzyme polymorphisms and breast cancer (BC) in a larger pooled population. Systematic literature research was performed to identify eligible studies for pooled analyses. Totally 92 genetic association studies were included for analyses. The pooled analyses revealed significant findings for MTRR rs1801394 polymorphism in South Asians, for MTR rs1805087 polymorphism in Caucasians and East Asians, and for MTHFR rs1801133 polymorphism in East Asians. In conclusion, the present meta-analysis indicated that MTRR rs1801394, MTR rs1805087, and MTHFR rs1801133 polymorphisms could be used to identify individuals at high risk of developing BC.
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Affiliation(s)
- Wenju Mo
- Department of Breast Surgery, Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences, Cancer Hospital of the University of Chinese academy of sciences, Zhejiang Cancer Hospital, Hangzhou, China
| | - Yuqin Ding
- Department of Breast Surgery, Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences, Cancer Hospital of the University of Chinese academy of sciences, Zhejiang Cancer Hospital, Hangzhou, China
| | - Yurong Zheng
- Department of Breast Surgery, Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences, Cancer Hospital of the University of Chinese academy of sciences, Zhejiang Cancer Hospital, Hangzhou, China
| | - Dehong Zou
- Department of Breast Surgery, Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences, Cancer Hospital of the University of Chinese academy of sciences, Zhejiang Cancer Hospital, Hangzhou, China
| | - Xiaowen Ding
- Department of Breast Surgery, Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences, Cancer Hospital of the University of Chinese academy of sciences, Zhejiang Cancer Hospital, Hangzhou, China
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18
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Voluntary fortification is ineffective to maintain the vitamin B12 and folate status of older Irish adults: evidence from the Irish Longitudinal Study on Ageing (TILDA). Br J Nutr 2019; 120:111-120. [PMID: 29936926 DOI: 10.1017/s0007114518001356] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Mandatory fortification of staple grains with folic acid and/or vitamin B12 (B12) is under debate in many countries including Ireland, which has a liberal, but voluntary, fortification policy. Older adults can be at risk of both deficiency and high folate status, although little is known on the actual prevalence and the major predictors. Population prevalence estimates from older adults (n 5290 ≥50 years) from the Irish Longitudinal Study on Ageing (TILDA) (Wave 1) are presented here. Measures included plasma total vitamin B12 and folate, whereas predictors included detailed demographic, socio-economic, geographic, seasonal and health/lifestyle data. The prevalence of deficient or low B12 status (45 nmol/l) was observed in 8·9 %, whereas high B12 status was observed in 3·1 % (>601 pmol/l). The largest positive predictor of B12 concentration was self-reported B12 injection and/or supplement use (coefficient 51·5 pmol/; 95 % CI 9·4, 93·6; P=0·016) followed by sex and geographic location. The largest negative predictor was metformin use (-33·6; 95 % CI -51·9, -15·4; P<0·0001). The largest positive predictor of folate concentration was folic acid supplement use (6·0; 95 % CI 3·0, 9·0 nmol/l; P<0·001) followed by being female and statin medications. The largest negative predictor was geographic location (-5·7; 95 % CI -6·7, -4·6; P<0·0001) followed by seasonality and smoking. B-vitamin status in older adults is affected by health and lifestyle, medication, sampling period and geographic location. We observed a high prevalence of low B12 and folate status, indicating that the current policy of voluntary fortification is ineffective for older adults.
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19
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Zhong R, Chen Q, Zhang X, Li M, Zhang X, Lin W. Association between methylenetetrahydrofolate reductase (MTHFR) polymorphisms and lung cancer risk in Chinese people: An updated meta-analysis. Medicine (Baltimore) 2019; 98:e16037. [PMID: 31192962 PMCID: PMC6587590 DOI: 10.1097/md.0000000000016037] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022] Open
Abstract
BACKGROUND The association between Methylenetetrahydrofolate Reductase (MTHFR) polymorphisms and lung cancer risk in Chinese people has been widely explored; however, the results remain controversial. Thus, we conducted a meta-analysis to investigate the association between MTHFR gene polymorphisms and susceptibility to lung cancer in Chinese people. OBJECTIVE We performed an updated meta-analysis to investigate the association between MTHFR gene polymorphisms and susceptibility to lung cancer in Chinese people. METHODS PubMed, EMBASE, WANFANG database, and CNKI were searched to collect eligible articles. The associations of MTHFR gene polymorphism with lung cancer risk were evaluated by calculating the pooled odds ratios (ORs) and the 95% confidence interval (CI). The dominant, recessive, heterozygous, homozygous, and allelic genetic models were used to calculate the combined ORs. RESULTS A total of 16 eligible studies were identified in the present meta-analysis. Evidence from the pooled results indicated a significant association between the MTHFR C677T polymorphism and lung cancer susceptibility in Chinese people under the dominant, recessive, homozygous and allelic genetic models (T vs C: OR = 1.252, 95% CI, 1.090-1.437; TT vs CC: OR = 1.741, 95% CI, 1.252-2.420. (TT + CT) vs CC: OR = 1.227, 95% CI, 1.030-1.426. TT vs (CT + CC): OR = 1.606, 95% CI, 1.207-2.137). CONCLUSION The present updated meta-analysis demonstrated that the MTHFR C677T polymorphism was significantly associated with susceptibility to lung cancer in Chinese people. Additional case-control studies with large sample sizes are needed to validate our findings.
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Affiliation(s)
| | - Qingling Chen
- Department of Hepatology, The First Hospital of Jilin University, Chang Chun, Ji Lin, China
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20
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Tsuji JS, Chang ET, Gentry PR, Clewell HJ, Boffetta P, Cohen SM. Dose-response for assessing the cancer risk of inorganic arsenic in drinking water: the scientific basis for use of a threshold approach. Crit Rev Toxicol 2019; 49:36-84. [DOI: 10.1080/10408444.2019.1573804] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
| | - Ellen T. Chang
- Exponent, Inc., Menlo Park, CA and Stanford Cancer Institute, Stanford, CA, USA
| | | | | | - Paolo Boffetta
- Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Samuel M. Cohen
- Havlik-Wall Professor of Oncology, Department of Pathology and Microbiology and the Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
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21
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Takata Y, Shu XO, Buchowski MS, Munro HM, Wen W, Steinwandel MD, Hargreaves MK, Blot WJ, Cai Q. Food intake of folate, folic acid and other B vitamins with lung cancer risk in a low-income population in the Southeastern United States. Eur J Nutr 2019; 59:671-683. [PMID: 30838435 DOI: 10.1007/s00394-019-01934-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 02/18/2019] [Indexed: 12/19/2022]
Abstract
PURPOSE We prospectively examined associations of lung cancer risk with food intake of B vitamins involved in one-carbon metabolism and the use of folic acid-containing supplements among a low-income population of black and white adults in the Southeastern US. METHODS Within the Southern Community Cohort Study, we included 1064 incident lung cancer cases among 68,236 participants aged 40-79 years at study enrollment. Food intake and the use of folic acid-containing supplements were assessed using a validated food frequency questionnaire at study enrollment. Multivariate Cox regression was used to estimate hazards ratios (HRs) and the 95% confidence intervals (CIs). RESULTS Folate and/or folic acid intake from food were not associated with lung cancer risk; HRs (95% CI) for highest compared with lowest quartile were 1.08 (0.91-1.29) for total dietary folate, 1.00 (0.84-1.19) for food folate, and 1.09 (0.91-1.30) for food folic acid, respectively. Similarly, no associations were observed after stratifying by sex, race and smoking status, except for a positive association with total dietary folate intake among black women (HR 1.46, 95% CI 1.04-2.05 for the highest quartile compared with the lowest quartile, P trend = 0.02). Neither the use of folic acid-containing supplements nor food intake of vitamin B6, vitamin B12 and riboflavin were associated with lung cancer risk. CONCLUSIONS Our findings do not support a protective effect of folate or folic acid for lung cancer prevention in a low-income population of black and white adults in the Southeastern US. Our finding of a positive association with total dietary folate intake among black women needs to be interpreted with caution and replicated in other studies.
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Affiliation(s)
- Yumie Takata
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center and Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, 1161 21st Avenue South, Nashville, TN, 37232, USA
- College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA
| | - Xiao-Ou Shu
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center and Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, 1161 21st Avenue South, Nashville, TN, 37232, USA
| | - Maciej S Buchowski
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine and Vanderbilt Epidemiology Center, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Heather M Munro
- International Epidemiology Field Station, Vanderbilt Institute for Clinical and Translational Research, Rockville, MD, USA
| | - Wanqing Wen
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center and Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, 1161 21st Avenue South, Nashville, TN, 37232, USA
| | - Mark D Steinwandel
- International Epidemiology Field Station, Vanderbilt Institute for Clinical and Translational Research, Rockville, MD, USA
| | | | - William J Blot
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center and Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, 1161 21st Avenue South, Nashville, TN, 37232, USA
| | - Qiuyin Cai
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center and Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, 1161 21st Avenue South, Nashville, TN, 37232, USA.
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22
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Zhou T, Li H, Xie WJ, Zhong Z, Zhong H, Lin ZJ. Association of Methylenetetrahydrofolate Reductase, Vitamin D Receptor, and Interleukin-16 Gene Polymorphisms With Renal Cell Carcinoma Risk. Technol Cancer Res Treat 2019; 18:1533033819859413. [PMID: 31242814 PMCID: PMC6598331 DOI: 10.1177/1533033819859413] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 06/22/2018] [Accepted: 08/20/2018] [Indexed: 02/06/2023] Open
Abstract
In this meta-analysis, we investigated the association of methylenetetrahydrofolate reductase, vitamin D receptor, and interleukin-16 gene polymorphisms with the risk of renal cell carcinoma. We searched the PubMed and Cochrane Library databases up to July 1, 2017, and included 12 eligible case-control studies in our analysis. The vitamin D receptor ApaI A allele, ApaI AA and aa genotypes, BsmI B allele, and Fok1 FF genotype were all associated with the risk of renal cell carcinoma in Asian populations. However, methylenetetrahydrofolate reductase (rs1801133 and rs1801131), vitamin D receptor (TaqI and Fok1), and interleukin-16 (rs4778889 and rs11556218) gene polymorphisms were not associated with the risk of renal cell carcinoma. Our study indicates that the vitamin D receptor ApaI A allele, ApaI AA and aa genotypes, BsmI B allele, and Fok1 FF genotype are associated with renal cell carcinoma risk.
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Affiliation(s)
- Tianbiao Zhou
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Hongyan Li
- Department of Nephrology, Huadu District People's Hospital of Guangzhou, Southern Medical University, Guangzhou, China
| | - Wei-Ji Xie
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Zhiqing Zhong
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Hongzhen Zhong
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, Shantou, China
- Tianbiao Zhou, MD, PhD, Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, 515041, Shantou, China.
| | - Zhi-Jun Lin
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, Shantou, China
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Yang J, Li H, Deng H, Wang Z. Association of One-Carbon Metabolism-Related Vitamins (Folate, B6, B12), Homocysteine and Methionine With the Risk of Lung Cancer: Systematic Review and Meta-Analysis. Front Oncol 2018; 8:493. [PMID: 30430082 PMCID: PMC6220054 DOI: 10.3389/fonc.2018.00493] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 10/11/2018] [Indexed: 12/22/2022] Open
Abstract
Background: Studies on serum one-carbon metabolism factors (folate, B6, B12, homocysteine, and methionine) with lung cancer (LC) risk have produced inconsistent results. We aimed to systematically evaluate the association between them. Methods: This study was reported in accordance with the PRISMA Statement and was registered with PROSPERO (no. CRD42018086654). Relevant studies were searched in PubMed, Embase, MEDLINE, and CNKI up to February 2018. Random-effects models were used to estimate the pooled standardized mean differences (SMD) or odds ratios (OR), as well as their 95% confidence interval (CI). Sensitivity and subgroup analysis were performed to identify the source of heterogeneity. Publication bias was also assessed. Results: A total of 14 articles (8,097 patients) were included. The concentration of serum folate and vitamin B6 of LC patients were lower than the controls [SMD -0.53, 95% CI (-0.70, -0.35), p = 0.001 and SMD -0.28, 95%CI (-0.53, -0.02), p = 0.001, respectively]. While the concentration of homocysteine of the cases was higher than the controls [SMD 0.41, 95% CI (0.24, 0.59), p = 0.001]. However, there were no significant differences between LC patients and the controls in terms of vitamin B12 and methionine [SMD -0.09, 95% CI (-0.27, 0.09), p = 0.202 and SMD -0.13, 95% CI (-0.36, 0.10), p = 0.001]. Subgroup analysis showed that these results were more significant in Europe, Asia, former and current smokers, and the male population (p-value < 0.05). Conclusions: Serum folate and vitamin B6 might be protective factors against lung carcinogenesis and homocysteine could contribute to LC risk.
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Affiliation(s)
- Jia Yang
- Oncology Department of LongHua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hongjia Li
- Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Haibin Deng
- Oncology Department of LongHua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhongqi Wang
- Oncology Department of LongHua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Stumbryte A, Gudleviciene Z, Kundrotas G, Dabkeviciene D, Kunickaite A, Cicenas S. Individual and combined effect of TP53, MDM2, MDM4, MTHFR, CCR5, and CASP8 gene polymorphisms in lung cancer. Oncotarget 2017; 9:3214-3229. [PMID: 29423041 PMCID: PMC5790458 DOI: 10.18632/oncotarget.22756] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 11/01/2017] [Indexed: 01/10/2023] Open
Abstract
Lung cancer (LC) is the second common and with the highest mortality oncological disease. Specific biomarkers for its diagnostics, treatment, and prognosis are still under the investigations. Aim of our study was to evaluate the relationship between the polymorphisms of TP53 pathway genes TP53, MDM2, MDM4, the polymorphisms of HPV-associated genes MTHFR, CASP8, CCR5, and HPV infection with survival of LC patients. SNPs were genotyped using PCR-RFLP. qRT-PCR was used to detect, identify, and quantify HPV. No statistically significant differences were detected between individual SNPs and patient survival with stage I-IV LC. Cluster analysis of SNPs in genes MDM4 A/A, CCR5 wt/Δ32, MTHFR C/T, MDM2 T/T showed possible association with the worse survival. Patients who were diagnosed with C/T polymorphic variant of gene MTHFR tend not to survive stage III-IV LC (P = .12). There is a tendency between MDM2 gene T/T variant and worse survival of patients diagnosed with late stage LC (P = .11). HPV infection is very rear among LC patients (3 of 92). Overall, there is a link, although statistically insignificant, between specific SNPs and LC patient survival frequency and time, meanwhile the combination of specific SNPs showed a statistically significant measure. In conclusion, we determined statistically significant (P = .04) link between the poor survival of LC patients after surgery and the combination of polymorphic variants C/T of the MTHFR and T/T of the MDM2 genes, whereas individually these SNPs do not show significant relationship with the survival of patients after surgery.
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Affiliation(s)
- Ausra Stumbryte
- Biobank, National Cancer Institute, LT-08660 Vilnius, Lithuania.,Institute of Biosciences, Vilnius University Life Sciences Center, LT-10257 Vilnius, Lithuania
| | | | | | - Daiva Dabkeviciene
- Institute of Biosciences, Vilnius University Life Sciences Center, LT-10257 Vilnius, Lithuania
| | - Agne Kunickaite
- Department of Human and Medical Genetics, Faculty of Medicine, Vilnius University, LT-08661 Vilnius, Lithuania
| | - Saulius Cicenas
- Department of Thoracic Surgery and Oncology, National Cancer Institute, LT-08660 Vilnius, Lithuania.,Faculty of Medicine, Vilnius University, LT-03101 Vilnius, Lithuania
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