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Luu HN, Thi-Hai Y, Yuan JM, Brand RE, Van T, Dao HV, Le CKT, Huynh NYN, Nguyen HM, Le NT. Tryptophan intake and pancreatic cancer: findings from a case-control study. Eur J Cancer Prev 2024; 33:285-292. [PMID: 38215023 PMCID: PMC11156568 DOI: 10.1097/cej.0000000000000864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2024]
Abstract
BACKGROUND Pancreatic cancer is a leading cause of cancer-related death worldwide. Tryptophan plays a vital role in cell growth and maintenance as a building block of protein and coordination of organismal responses to environmental and dietary cues. Animal model study showed that dietary tryptophan improved treatment response in those who received chemotherapy or immune checkpoint inhibitors. Limited data are available assessing the association between tryptophan intake and risk of pancreatic cancer. We aimed to evaluate this association in a case-control study in Vietnam. METHODS We analyzed data from a case-control study, including 3759 cancer cases and 2995 control subjects of whom 37 with pancreatic cancer cases. Tryptophan intake was derived from food frequency questionnaire. Unconditional logistic regression was used to calculate odds ratios (ORs) and 95% confidence intervals (CIs) for different levels of tryptophan intake with pancreatic cancer risk. RESULTS Overall, tryptophan intake was inversely associated with pancreatic cancer risk in a dose-dependent manner. The ORs and 95% CIs of pancreatic cancer were 0.51 (0.29-0.92) for continuous scale, 0.27 (0.10-0.73) for tertile 2 and 0.34 (0.11-1.06) for tertile 3, compared with tertile 1 (the lowest intake) ( Ptrend = 0.02). In stratified analysis, this inverse association pattern was present among those with BMI < 23 kg/m 2 and ever drinkers. CONCLUSION A diet with a higher intake of tryptophan was significantly associated with a lower incidence of pancreatic cancer among Vietnamese population. These suggest that dietary modification may be an effective strategy for primary prevention of pancreatic cancer development.
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Affiliation(s)
- Hung N. Luu
- University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Epidemiology, School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Yen Thi-Hai
- University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Epidemiology, School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jian-Min Yuan
- University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Epidemiology, School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Randall E. Brand
- University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA, USA
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Tuyen Van
- Bach Mai Center of Pathology, Bach Mai Hospital, Viet Nam
| | - Hang Viet Dao
- Internal Medicine Faculty, Hanoi Medical University, Ha Noi City, Viet Nam
| | - Chung Kim Thi Le
- Research laboratory, Institute for Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam
| | - Nhi Yen Ngoc Huynh
- School of Medicine, International University of Health and Welfare, Narita City, Japan
| | - Hai Minh Nguyen
- School of Medicine, International University of Health and Welfare, Narita City, Japan
| | - Ngoan Tran Le
- Institute of Research and Development, Duy Tan University, Da Nang City, Vietnam
- Department of Occupational Health, Institute for Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam
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Xu HL, Gong TT, Liu FH, Wei YF, Chen HY, Yan S, Zhao YH, Gao S, Jiao YS, Wu QJ. Pre-diagnosis Dietary One-Carbon Metabolism Micronutrients Consumption and Ovarian Cancer Survival: A Prospective Cohort Study. Front Nutr 2022; 9:873249. [PMID: 35495919 PMCID: PMC9053828 DOI: 10.3389/fnut.2022.873249] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 03/23/2022] [Indexed: 12/11/2022] Open
Abstract
Background and Aims Epidemiological evidence on the relation between one-carbon metabolism (OCM) micronutrients intake and ovarian cancer (OC) survival are limited and conflicting. We evaluated the aforementioned associations in a prospective cohort-the Ovarian Cancer Follow-Up Study. Methods A total of 635 newly diagnosed OC patients aged 18–79 y were enrolled in the present study. Dietary intake related to one-carbon metabolism, including methionine, vitamins B2, B3, B6, B9, B12, choline, and betaine, was assessed using a validated 111-item food frequency questionnaire. Deaths were ascertained until March 31, 2021, via medical records and active follow-up. Cox proportional hazards regression model was used to evaluate the hazard ratios (HRs) and 95% confidence intervals (CIs) for these aforementioned associations. Results During a median follow-up of 37.2 months (interquartile: 24.7–50.2 months), 114 deaths were identified. We observed an improved survival with the highest compared with the lowest tertile of dietary vitamin B6 (HR = 0.52, 95%CI: 0.32–0.84, P-trend <0.05) and choline intake (HR = 0.50, 95%CI: 0.30–0.83, P-trend <0.05). No significant associations with OC survival were observed for dietary vitamins B2, B3, B9, B12, methionine, and betaine intake. We also observed a curvilinear association between vitamin B6 intake and OC survival (P non-linear <0.05). Conclusion Our study suggests that pre-diagnosis higher intake of vitamin B6 and choline may improve OC survival. Further clarification of these associations is warranted.
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Affiliation(s)
- He-Li Xu
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
- Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
| | - Ting-Ting Gong
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Fang-Hua Liu
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
- Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yi-Fan Wei
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
- Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
| | - Hong-Yu Chen
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
- Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
| | - Shi Yan
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
- Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yu-Hong Zhao
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
- Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
| | - Song Gao
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yi-Sheng Jiao
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Qi-Jun Wu
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
- Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
- *Correspondence: Qi-Jun Wu,
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Yang HJ, Kang Y, Li YZ, Liu FH, Yan S, Gao S, Huo YL, Gong TT, Wu QJ. Relationship between different forms of dietary choline and ovarian cancer survival: findings from the ovarian cancer follow-up study, a prospective cohort study. Food Funct 2022; 13:12342-12352. [DOI: 10.1039/d2fo02594a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Higher levels of pre-diagnosis fat-soluble choline intake was associated with better overall survival of ovarian cancer, and this association was more attributed to phosphatidylcholine.
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Affiliation(s)
- Hui-Juan Yang
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
- Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
- Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, Shenyang, China
| | - Ye Kang
- Department of Pathology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yi-Zi Li
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
- Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
- Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, Shenyang, China
| | - Fang-Hua Liu
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
- Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
- Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, Shenyang, China
| | - Shi Yan
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
- Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
- Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, Shenyang, China
| | - Song Gao
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yun-Long Huo
- Department of Pathology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Ting-Ting Gong
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Qi-Jun Wu
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
- Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
- Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, Shenyang, China
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Tatekawa S, Ofusa K, Chijimatsu R, Vecchione A, Tamari K, Ogawa K, Ishii H. Methylosystem for Cancer Sieging Strategy. Cancers (Basel) 2021; 13:5088. [PMID: 34680237 PMCID: PMC8534198 DOI: 10.3390/cancers13205088] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 10/02/2021] [Accepted: 10/07/2021] [Indexed: 12/14/2022] Open
Abstract
As cancer is a genetic disease, methylation defines a biologically malignant phenotype of cancer in the association of one-carbon metabolism-dependent S-adenosylmethionine (SAM) as a methyl donor in each cell. Methylated substances are involved in intracellular metabolism, but via intercellular communication, some of these can also be secreted to affect other substances. Although metabolic analysis at the single-cell level remains challenging, studying the "methylosystem" (i.e., the intercellular and intracellular communications of upstream regulatory factors and/or downstream effectors that affect the epigenetic mechanism involving the transfer of a methyl group from SAM onto the specific positions of nucleotides or other metabolites in the tumor microenvironment) and tracking these metabolic products are important research tasks for understanding spatial heterogeneity. Here, we discuss and highlight the involvement of RNA and nicotinamide, recently emerged targets, in SAM-producing one-carbon metabolism in cancer cells, cancer-associated fibroblasts, and immune cells. Their significance and implications will contribute to the discovery of efficient methods for the diagnosis of and therapeutic approaches to human cancer.
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Affiliation(s)
- Shotaro Tatekawa
- Department of Radiation Oncology, Osaka University Graduate School of Medicine, Suita, Yamadaoka 2-2, Osaka 565-0871, Japan; (S.T.); (K.T.)
| | - Ken Ofusa
- Department of Medical Data Science, Center of Medical Innovation and Translational Research, Osaka University Graduate School of Medicine, Suita, Yamadaoka 2-2, Osaka 565-0871, Japan; (K.O.); (R.C.)
- Food and Life-Science Laboratory, Prophoenix Division, Idea Consultants, Inc., Osaka 559-8519, Japan
| | - Ryota Chijimatsu
- Department of Medical Data Science, Center of Medical Innovation and Translational Research, Osaka University Graduate School of Medicine, Suita, Yamadaoka 2-2, Osaka 565-0871, Japan; (K.O.); (R.C.)
| | - Andrea Vecchione
- Department of Clinical and Molecular Medicine, University of Rome “Sapienza”, Santo Andrea Hospital, Via di Grottarossa, 1035-00189 Rome, Italy;
| | - Keisuke Tamari
- Department of Radiation Oncology, Osaka University Graduate School of Medicine, Suita, Yamadaoka 2-2, Osaka 565-0871, Japan; (S.T.); (K.T.)
| | - Kazuhiko Ogawa
- Department of Radiation Oncology, Osaka University Graduate School of Medicine, Suita, Yamadaoka 2-2, Osaka 565-0871, Japan; (S.T.); (K.T.)
| | - Hideshi Ishii
- Department of Medical Data Science, Center of Medical Innovation and Translational Research, Osaka University Graduate School of Medicine, Suita, Yamadaoka 2-2, Osaka 565-0871, Japan; (K.O.); (R.C.)
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Chen T, Tao N, Yang S, Cao D, Zhao X, Wang D, Liu J. Association Between Dietary Intake of One-Carbon Metabolism-Related Nutrients and Fluorosis in Guizhou, China. Front Nutr 2021; 8:700726. [PMID: 34651006 PMCID: PMC8505735 DOI: 10.3389/fnut.2021.700726] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 08/24/2021] [Indexed: 12/01/2022] Open
Abstract
Objective: This study aimed to investigate the associations between dietary one-carbon metabolism-related nutrients (betaine, choline, methionine, folate, vitamin B6, and vitamin B12) and fluorosis among the Chinese population in an area known for coal-burning fluorosis. Methods: A cross-sectional study was conducted, with 653 fluorosis patients and 241 non-fluorosis participants. Dietary intake was acquired using a validated semi-quantitative 75-item food frequency questionnaire. The risk associations were assessed by unconditional logistical regression. Results: We observed a significant inverse association between dietary betaine, total choline, methionine, folate, vitamin B6, and choline species and fluorosis. The adjusted OR (95% CI) in the highest quartile of consumption compared with the lowest were 0.59 (0.37-0.94) (P-trend = 0.010) for betaine intake, 0.45 (0.28-0.73) (P-trend = 0.001) for total choline intake, 0.45 (0.28-0.72) (P-trend < 0.001) for methionine intake, 0.39 (0.24-0.63) (P-trend < 0.001) for folate intake, 0.38 (0.24-0.62) (P-trend < 0.001) for vitamin B6 intake, and 0.46 (0.28-0.75) (P-trend = 0.001) for total choline plus betaine intake. Dietary intakes of choline-containing compounds, phosphatidylcholine, free choline, glycerophosphocholine, and phosphocholine were also inversely associated with lower fluorosis (all P-trend < 0.05). No significant associations were observed between dietary vitamin B12 or sphingomyelin and fluorosis. Conclusion: The present study suggested that the higher dietary intakes of specific one-carbon metabolism-related nutrients, such as betaine, choline, methionine, folate, and vitamin B6, are associated with lower fluorosis prevalence.
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Affiliation(s)
- Ting Chen
- Department of Preventive Medicine, School of Public Health, Zunyi Medical University, Zunyi, China
| | - Na Tao
- Department of Pharmacy, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Sheng Yang
- Department of Surveillance in Public Health, Center for Disease Control and Prevention of Renhuai City, Renhuai, China
| | - Dafang Cao
- Department of Preventive Medicine, School of Public Health, Zunyi Medical University, Zunyi, China
| | - Xun Zhao
- Department of Chronic Diseases, Center for Diseases Control and Prevention of Zhijin County, Zhijin, China
| | - Donghong Wang
- Department of Gynaecology and Obstetrics, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jun Liu
- Department of Preventive Medicine, School of Public Health, Zunyi Medical University, Zunyi, China
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Fu H, Zeng J, Liu C, Gu Y, Zou Y, Chang H. Folate Intake and Risk of Pancreatic Cancer: A Systematic Review and Updated Meta-Analysis of Epidemiological Studies. Dig Dis Sci 2021; 66:2368-2379. [PMID: 32770489 DOI: 10.1007/s10620-020-06525-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Accepted: 07/29/2020] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Pancreatic cancer is one of the most fatal malignancies and primary prevention strategies are limited. Epidemiological studies focusing on the association between folate intake and pancreatic cancer risk have reported inconsistent findings. METHODS A systematic search of the literature was conducted using the PubMed and EMBASE databases. A systematic review and meta-analysis of eligible studies was performed to assess the association between folate intake and risk of pancreatic cancer. RESULTS A total of 16 studies involving 5654 cases and 1,009,374 individuals were included. The result showed a significant association of folate intake with a decreased risk of pancreatic cancer, with a pooled OR of 0.82 (95% CI: 0.69-0.97, P = 0.019) for the highest category of intake vs. the lowest. The data suggested that high intake of folate may contribute to the prevention of pancreatic cancer. However, the association was observed only in case-control studies (OR = 0.78, 95% CI: 0.65-0.93, P = 0.006), but not in cohort studies (RR = 0.85, 95% CI: 0.66-1.09, P = 0.244). Dose-response meta-analysis showed that an increment of folate intake (100 μg/day) was marginally associated with the risk of pancreatic cancer, with a pooled OR of 0.97 (95% CI: 0.93-1.00, P = 0.053). CONCLUSION High folate intake might be inversely associated with pancreatic cancer risk, which needs to be confirmed.
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Affiliation(s)
- Hongjuan Fu
- College of Food Science, Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Jie Zeng
- College of Food Science, Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Chang Liu
- College of Food Science, Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Yi Gu
- College of Food Science, Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Yixin Zou
- College of Food Science, Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Hui Chang
- College of Food Science, Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China.
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7
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Wei DH, Mao QQ. Vitamin B6, vitamin B12 and methionine and risk of pancreatic cancer: a meta-analysis. Nutr J 2020; 19:111. [PMID: 33012287 PMCID: PMC7534168 DOI: 10.1186/s12937-020-00628-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 07/29/2020] [Indexed: 12/18/2022] Open
Abstract
Background Nutrients involved in one-carbon metabolism may play a key role in pancreatic carcinogenesis. The aim of this study was to examine the association between pancreatic cancer risk and intake or blood levels of vitamins B6, B12 and methionine via meta-analysis. Methods A systematic search was performed in PubMed, Web of Knowledge and Chinese National Knowledge Infrastructure (CNKI) up to April 2020 to identify relevant studies. Risk estimates and their 95% confidence intervals (CIs) were retrieved from the studies and combined by a random-effect model. Results A total of 18 studies were included in this meta-analysis on the association of vitamin B6, B12 and methionine with pancreatic cancer risk. The combined risk estimate (95% CI) of pancreatic cancer for the highest vs lowest category of vitamin B6 intake and blood pyridoxal 5′-phosphate (PLP, active form of vitamin B6) levels was 0.63 (0.48–0.79) and 0.65 (0.52–0.79), respectively. The results indicated a non-linear dose-response relationship between vitamin B6 intake and pancreatic risk. Linear dose–response relationship was found, and the risk of pancreatic cancer decreased by 9% for every 10 nmol/L increment in blood PLP levels. No significant association were found between pancreatic cancer risk and vitamin B12 intake, blood vitamin B12 levels, methionine intake and blood methionine levels. Conclusion Our study suggests that high intake of vitamin B6 and high concentration of blood PLP levels may be protective against the development of pancreatic cancer. Further research are warranted to confirm the results.
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Affiliation(s)
- Dan-Hong Wei
- Department of Neuroscience Care Unit, The Second Affiliated hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China.
| | - Qi-Qi Mao
- Department of Urology, The First Affiliated hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, China
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8
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Huang JY, Luu HN, Butler LM, Midttun Ø, Ulvik A, Wang R, Jin A, Gao YT, Tan Y, Ueland PM, Koh WP, Yuan JM. A prospective evaluation of serum methionine-related metabolites in relation to pancreatic cancer risk in two prospective cohort studies. Int J Cancer 2020; 147:1917-1927. [PMID: 32222976 DOI: 10.1002/ijc.32994] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 03/07/2020] [Accepted: 03/11/2020] [Indexed: 12/22/2022]
Abstract
Deficiencies in methyl donor status may render DNA methylation changes and DNA damage, leading to carcinogenesis. Epidemiological studies reported that higher dietary intake of choline is associated with lower risk of pancreatic cancer, but no study has examined the association of serum choline and its metabolites with risk of pancreatic cancer. Two parallel case-control studies, one nested within the Shanghai Cohort Study (129 cases and 258 controls) and the other within the Singapore Chinese Health Study (58 cases and 104 controls), were conducted to evaluate the associations of baseline serum concentrations of choline, betaine, methionine, total methyl donors (i.e., sum of choline, betaine and methionine), dimethylglycine and trimethylamine N-oxide (TMAO) with pancreatic cancer risk. In the Shanghai cohort, odds ratios and 95% confidence intervals of pancreatic cancer for the highest quartile of choline, betaine, methionine, total methyl donors and TMAO were 0.27 (0.11-0.69), 0.57 (0.31-1.05), 0.50 (0.26-0.96), 0.37 (0.19-0.73) and 2.81 (1.37-5.76), respectively, compared to the lowest quartile. The corresponding figures in the Singapore cohort were 0.85 (0.23-3.17), 0.50 (0.17-1.45), 0.17 (0.04-0.68), 0.33 (0.10-1.16) and 1.42 (0.50-4.04). The inverse associations of methionine and total methyl donors including choline, betaine and methionine with pancreatic cancer risk in both cohorts support that DNA repair and methylation play an important role against the development of pancreatic cancer. In the Shanghai cohort, TMAO, a gut microbiota-derived metabolite of dietary phosphatidylcholine, may contribute to higher risk of pancreatic cancer, suggesting a modifying role of gut microbiota in the dietary choline-pancreatic cancer risk association.
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Affiliation(s)
- Joyce Y Huang
- Division of Cancer Control and Population Science, UPMC Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.,Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Hung N Luu
- Division of Cancer Control and Population Science, UPMC Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.,Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Lesley M Butler
- Division of Cancer Control and Population Science, UPMC Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.,Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | | | - Arve Ulvik
- Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Renwei Wang
- Division of Cancer Control and Population Science, UPMC Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Aizhen Jin
- Health Service and Systems Research, Duke-NUS Medical School Singapore, Singapore, Singapore
| | - Yu-Tang Gao
- Department of Epidemiology, Shanghai Cancer Institute/Shanghai Jiaotong University, Shanghai, China
| | - Yuting Tan
- Department of Epidemiology, Shanghai Cancer Institute/Shanghai Jiaotong University, Shanghai, China
| | - Per M Ueland
- Bevital A/S, Bergen, Norway.,Laboratory of Clinical Biochemistry, Haukeland University Hospital, Bergen, Norway
| | - Woon-Puay Koh
- Health Service and Systems Research, Duke-NUS Medical School Singapore, Singapore, Singapore.,Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore
| | - Jian-Min Yuan
- Division of Cancer Control and Population Science, UPMC Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.,Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
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9
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Chen Y, Zhan J, Wang Y, Chen S. Association between Dietary Intake of Folate and the Risks of Multiple Cancers in Chinese Population: A Dose-Response Meta-Analysis of Observational Studies. Nutr Cancer 2020; 73:1644-1656. [PMID: 32900224 DOI: 10.1080/01635581.2020.1817512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Yulin Chen
- The First Clinical College, Chongqing Medical University, Chongqing, P.R. China
| | - Jian Zhan
- Department of Science and Education, People’s Hospital of Macheng, Hubei, P.R. China
| | - Ying Wang
- Mental Health Center, Renmin Hospital of Wuhan University, Wuhan, P.R. China
| | - Shiyu Chen
- The First Clinical College, Southern Medical University, Guangdong, P.R. China
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10
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Quoc Lam B, Shrivastava SK, Shrivastava A, Shankar S, Srivastava RK. The Impact of obesity and diabetes mellitus on pancreatic cancer: Molecular mechanisms and clinical perspectives. J Cell Mol Med 2020; 24:7706-7716. [PMID: 32458441 PMCID: PMC7348166 DOI: 10.1111/jcmm.15413] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 04/24/2020] [Indexed: 01/18/2023] Open
Abstract
The incidence of obesity and type 2 diabetes (T2DM) in the Western world has increased dramatically during the recent decades. According to the American Cancer Society, pancreatic cancer (PC) is the fourth leading cause of cancer‐related death in the United States. The relationship among obesity, T2DM and PC is complex. Due to increase in obesity, diabetes, alcohol consumption and sedentary lifestyle, the mortality due to PC is expected to rise significantly by year 2040. The underlying mechanisms by which diabetes and obesity contribute to pancreatic tumorigenesis are not well understood. Furthermore, metabolism and microenvironment within the pancreas can also modulate pancreatic carcinogenesis. The risk of PC on a population level may be reduced by modifiable lifestyle risk factors. In this review, the interactions of diabetes and obesity to PC development were summarized, and novel strategies for the prevention and treatment of diabetes and PC were discussed.
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Affiliation(s)
- Bao Quoc Lam
- Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Sushant K Shrivastava
- Department of Pharmaceutics, Indian Institute of Technology, Banaras Hindu University, Varanasi, UP, India
| | - Anju Shrivastava
- Department of Oncology, St. Joseph's Hospital and Medical Center, Phoenix, AZ, USA
| | - Sharmila Shankar
- Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, LA, USA.,Department of Genetics, Louisiana State University Health Sciences Center, New Orleans, LA, USA.,Southeast Louisiana Veterans Health Care System, New Orleans, LA, USA
| | - Rakesh K Srivastava
- Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, LA, USA.,Department of Genetics, Louisiana State University Health Sciences Center, New Orleans, LA, USA
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Principe DR, Rana A. Updated risk factors to inform early pancreatic cancer screening and identify high risk patients. Cancer Lett 2020; 485:56-65. [PMID: 32389710 DOI: 10.1016/j.canlet.2020.04.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 04/06/2020] [Accepted: 04/23/2020] [Indexed: 02/07/2023]
Abstract
Pancreatic adenocarcinoma (PDAC) is associated with poor clinical outcomes and incomplete responses to conventional therapy. Therefore, there is an unmet clinical need to better understand the predisposing factors for pancreatic cancer in hopes of providing early screening to high-risk patients. While select risk factors such as age, race, and family history, or predisposing syndromes are unavoidable, there are several new and established risk factors that allow for intervention, namely by counseling patients to make the appropriate lifestyle modifications. Here, we discuss the best-studied risk factors for PDAC such as tobacco use and chronic pancreatitis, as well as newly emerging risk factors including select nutritional deficits, bacterial infections, and psychosocial factors. As several of these risk factors appear to be additive or synergistic, by understanding their relationships and offering coordinated, multidisciplinary care to high-risk patients, it may be possible to reduce pancreatic cancer incidence and improve clinical outcomes through early detection.
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Affiliation(s)
- Daniel R Principe
- Medical Scientist Training Program, University of Illinois College of Medicine, Chicago, IL, USA; Department of Surgery, Division of Surgical Oncology, University of Illinois at Chicago, Chicago, IL, USA.
| | - Ajay Rana
- Department of Surgery, Division of Surgical Oncology, University of Illinois at Chicago, Chicago, IL, USA; Jesse Brown VA Medical Center, Chicago, IL, USA.
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12
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Luu HN, Huang JY, Wang R, Adams-Haduch J, Jin A, Koh WP, Yuan JM. Association between leukocyte telomere length and the risk of pancreatic cancer: Findings from a prospective study. PLoS One 2019; 14:e0221697. [PMID: 31465482 PMCID: PMC6715276 DOI: 10.1371/journal.pone.0221697] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Accepted: 08/13/2019] [Indexed: 01/23/2023] Open
Abstract
INTRODUCTION Telomeres and telomerase play important role in maintaining chromosome integrity and genomic stability. Recent epidemiologic data showed inconsistent findings which suggested that both short and long leukocyte telomeres could be associated with increased risk of pancreatic cancer. We prospectively examined the association between telomere length and pancreatic cancer risk in a population-based cohort study. METHODS The Singapore Chinese Health Study recruited 63,257 Chinese aged 45 to 74 years from 1993 to 1998 in Singapore. Relative telomere length in peripheral blood leukocytes was quantified using a validated monochrome multiplex quantitative polymerase chain reaction method in 26,540 participants, including 116 participants who later developed pancreatic cancer after an average of 13 years of follow-up. Cox proportional hazard regression method was used to calculate hazard ratio (HR) and its 95% confidence interval (CI) of pancreatic cancer risk associated with telomere length, with adjustment for confounding factors. RESULTS Longer telomeres were significantly associated with higher risk of pancreatic cancer (Ptrend = 0.02). Compared with lowest quartile, subjects with highest quartile of telomere length had an HR of 2.18 (95% CI: 1.25-3.80) for developing pancreatic cancer. In stratified analysis, this association remained among pancreatic adenocarcinoma patients but not among pancreatic non-adenocarcinoma patients. In continuous scale, the HRs and 95% CIs were 3.08 (1.17-8.11) for adenocarcinoma patients and 1.47 (0.43-5.06) for non-adenocarcinoma patients. The HRs and 95% CIs of the highest quartile of telomere length, compared with the lowest quartile, for adenocarcinoma and non-adenocarcinoma were 2.50 (1.22-5.13) and 1.63 (0.66-4.03), respectively. The length of follow-up from the collection of blood for the measurement of telomere length to the diagnosis of cancer (median = 8.0, range: from 5.0 months to 16.2 years) had no significant impact on the association between telomere length and pancreatic cancer risk. CONCLUSIONS The present study demonstrates that longer telomeres are associated with increased risk of overall pancreatic cancer.
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Affiliation(s)
- Hung N. Luu
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, United States of America
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh PA, United States of America
- * E-mail: ,
| | - Joyce Y. Huang
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Renwei Wang
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Jennifer Adams-Haduch
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Aizhen Jin
- Health Services and Systems Research, Duke-NUS Medical School Singapore, Singapore
| | - Woon-Puay Koh
- Health Services and Systems Research, Duke-NUS Medical School Singapore, Singapore
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore
| | - Jian-Min Yuan
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, United States of America
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh PA, United States of America
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Peng YF, Han MM, Huang R, Dong BB, Li L. Vitamin B6 Intake and Pancreatic Carcinoma Risk: A Meta-Analysis. Nutr Cancer 2019; 71:1061-1066. [PMID: 31226890 DOI: 10.1080/01635581.2019.1598562] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 01/12/2019] [Accepted: 03/04/2019] [Indexed: 12/15/2022]
Abstract
Objectives: There are conflicting results for the association between vitamin B6 intake with reduced pancreatic carcinoma risk. Thus, a meta-analysis was performed to summarize the evidences from epidemiological studies. Methods: We searched documents from PubMed-Medline, Web of Science, and Cochrane Library. The results were analyzed by using Stata software. Results: A total of nine studies were included. The multivariate-adjusted results found that the total RR values of pancreatic carcinoma was 0.65 (95% CI: 0.53-0.80) for the highest vitamin B6 intake vs the lowest vitamin B6 intake, and there was no significant heterogeneity among studies (I2 = 42.0%, P = 0.087). Sensitivity analysis indicated that no single study leaded to an excessive change for the relation between vitamin B6 intake and pancreatic carcinoma risk. Conclusions: This meta-analysis suggested that vitamin B6 intake could significantly decrease pancreatic carcinoma risk. However, further study is needed based on the limitations of the current analysis.
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Affiliation(s)
- You-Fan Peng
- Department of Endocrinology, Zhongda Hospital, School of Medicine, Southeast University , Nanjing , China
- Pancreatic Research Institute, Southeast University , Nanjing , China
| | - Man-Man Han
- Department of Endocrinology, Zhongda Hospital, School of Medicine, Southeast University , Nanjing , China
- Pancreatic Research Institute, Southeast University , Nanjing , China
| | - Rong Huang
- Department of Endocrinology, Zhongda Hospital, School of Medicine, Southeast University , Nanjing , China
| | - Bei-Bei Dong
- Department of Endocrinology, Zhongda Hospital, School of Medicine, Southeast University , Nanjing , China
- Pancreatic Research Institute, Southeast University , Nanjing , China
| | - Ling Li
- Department of Endocrinology, Zhongda Hospital, School of Medicine, Southeast University , Nanjing , China
- Pancreatic Research Institute, Southeast University , Nanjing , China
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14
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Dhana A, Yen H, Li T, Holmes MD, Qureshi AA, Cho E. Intake of folate and other nutrients related to one-carbon metabolism and risk of cutaneous melanoma among US women and men. Cancer Epidemiol 2018; 55:176-183. [PMID: 29990794 PMCID: PMC6097627 DOI: 10.1016/j.canep.2018.06.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 06/11/2018] [Accepted: 06/18/2018] [Indexed: 12/14/2022]
Abstract
BACKGROUND Nutrients involved in one-carbon metabolism - folate, vitamins B6 and B12, methionine, choline, and betaine - have been inversely associated with multiple cancer sites and may be related to skin cancer. However, there is a lack of research on the association between intake of these nutrients and cutaneous melanoma risk. The aim of this study was to examine the associations between intake of one-carbon metabolism nutrients and cutaneous melanoma risk in two large prospective cohorts. METHODS The cohorts included 75,311 white women and 48,523 white men. Nutrient intake was assessed repeatedly by food frequency questionnaires and self-reported supplement use. We used Cox proportional hazards regression to estimate multivariable-adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) and then pooled HRs using a random-effects model. RESULTS Over 24-26 years of follow-up, we documented 1328 melanoma cases (648 men and 680 women). Higher intake of folate from food only, but not total folate, was associated with increased melanoma risk (pooled HR for top versus bottom quintile: 1.36; 95% CI: 1.13-1.64; P for trend = 0.001). The association was significant in men, but attenuated in women. Higher intake of vitamins B6 and B12, choline, betaine, and methionine were not associated with melanoma risk, although there was modest increasing trend of risk for vitamin B6 from food only (pooled HR for top versus bottom quintile: 1.18; 95% CI: 0.99-1.41; P for trend = 0.03). CONCLUSIONS We found some evidence that higher intake of folate from food only was associated with a modest increased risk of cutaneous melanoma. However, since other factors related to dietary folate intake may account for the observed association, our findings warrant further investigation.
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Affiliation(s)
- Ashar Dhana
- Harvard T.H. Chan School of Public Health, Boston, MA, USA; Division of Dermatology, Groote Schuur Hospital and University of Cape Town, Cape Town, South Africa
| | - Hsi Yen
- Harvard T.H. Chan School of Public Health, Boston, MA, USA; Department of Dermatology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Tricia Li
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Michelle D Holmes
- Harvard T.H. Chan School of Public Health, Boston, MA, USA; Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Abrar A Qureshi
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA; Department of Dermatology, The Warren Alpert Medical School, Brown University, Providence, RI, USA; Department of Epidemiology, Brown University School of Public Health, Providence, RI, USA
| | - Eunyoung Cho
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA; Department of Dermatology, The Warren Alpert Medical School, Brown University, Providence, RI, USA; Department of Epidemiology, Brown University School of Public Health, Providence, RI, USA.
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Intake of methyl-related nutrients and risk of pancreatic cancer in a population-based case-control study in Minnesota. Eur J Clin Nutr 2018; 72:1128-1135. [PMID: 29904184 PMCID: PMC6119097 DOI: 10.1038/s41430-018-0228-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 05/17/2018] [Accepted: 05/22/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND/OBJECTIVES Folate, vitamin B6, vitamin B12, and methionine are involved in DNA synthesis and methylation and thus may modulate pancreatic cancer risk. We investigated these associations in a population-based case-control study conducted in 1994-1998. SUBJECTS/METHODS Cases (n = 150) were identified from all hospitals in the metropolitan areas of the Twin Cities and the Mayo Clinic, Minnesota. Controls (n = 459) were selected randomly from the general population and were frequency matched to cases by age, sex, and race. Logistic regression was used to estimate odds ratios (OR) and 95% confidence intervals (95% CI) for risk of pancreatic cancer in relation to intake of nutrients considered. RESULTS Dietary intake of folate was associated with a reduced pancreatic cancer risk [OR (95% CI) for quartile (Q) 4 vs. Q1: 0.31 (0.12-0.78)]. A composite score (range from 2 to 8), reflecting combined dietary intake of folate and vitamin B6, was also inversely associated with pancreatic cancer risk [OR (95% CI) for Q4 vs. Q1: 0.24 (0.08-0.70)]. Null associations were found for intake of vitamin B12 and methionine. CONCLUSIONS Dietary folate intake was associated with a reduced pancreatic cancer risk, and this association became stronger when dietary intake of folate and vitamin B6 was combined in analysis.
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A prospective evaluation of serum kynurenine metabolites and risk of pancreatic cancer. PLoS One 2018; 13:e0196465. [PMID: 29734388 PMCID: PMC5937773 DOI: 10.1371/journal.pone.0196465] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 04/15/2018] [Indexed: 01/12/2023] Open
Abstract
Background Serum pyridoxal 5’-phosphate (PLP), the active form of vitamin B6, is associated with reduced risk of pancreatic cancer. Data on functional measures of vitamin B6 status and risk of pancreatic cancer is lacking. Methods A nested case-control study involving 187 incident cases of pancreatic cancer and 362 individually matched controls were conducted within two prospective cohorts to evaluate the associations between kynurenine metabolites in pre-diagnostic serum samples and risk of pancreatic cancer. Results Higher serum concentrations of 3-hydroxyanthranilic acid (HAA) and the HAA:3-hydroxykynurenine (HK) ratio (a measure for in vivo functional status of PLP) were significantly associated with reduced risk of pancreatic cancer. Compared with the lowest tertile, odds ratios (95% confidence intervals) of pancreatic cancer for the highest tertile was 0.62 (0.39, 1.01) for HAA, and 0.59 (0.35–0.98) for the HAA:HK ratio, after adjustment for potential confounders and serum PLP (both Ps for trend<0.05). The kynurenine:tryptophan ratio or neopterin was not significantly associated with pancreatic cancer risk. Conclusions The inverse association between HAA or the HAA:HK ratio and risk of pancreatic cancer supports the notion that functional status of PLP may be a more important measure than circulating PLP alone for the development of pancreatic cancer.
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Association of choline and betaine levels with cancer incidence and survival: A meta-analysis. Clin Nutr 2018; 38:100-109. [PMID: 29606601 DOI: 10.1016/j.clnu.2018.01.042] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 01/23/2018] [Accepted: 01/27/2018] [Indexed: 12/13/2022]
Abstract
BACKGROUND & AIMS Evidences suggest possible link between betaine and choline, methyl group donors, and cancer progression. We examined the association between choline and betaine levels and cancer incidence and survival in a meta-analysis of observational studies. METHODS We identified observational studies examining the association between choline and/or betaine levels from diet or blood and cancer incidence and survival by searching the PubMed and Web of Science databases for studies published up to Jan, 2018. After applying the selection criteria, 28 observational studies (9 case-control, 1 cross-sectional, and 18 cohort studies) were included. Relative risks (RRs) and 95% confidence intervals (CIs) were extracted, and combined RRs were calculated using random-effects models. RESULTS Choline levels were not associated with cancer incidence in a meta-analysis of cohort studies. Betaine levels reduced the risk of cancer incidence in a meta-analysis of cohort studies; combined relative risks (RRs) (95% CIs) comparing the top with the bottom categories were 0.93 (0.87-0.99). When we analyzed separately according to exposure assessment method, combined RRs (95% CIs) comparing the top with the bottom categories of betaine levels were 0.87 (95% CI: 0.78-0.95) for dietary betaine and 0.88 (95% CI: 0.77-0.99) for blood levels of betaine. There were no significant associations with cancer survivorship of choline or betaine levels. CONCLUSIONS We concluded that high betaine levels were associated with lower risk of the cancer incidence, especially for colorectal cancer.
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18
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Salem AA, Mackenzie GG. Pancreatic cancer: A critical review of dietary risk. Nutr Res 2017; 52:1-13. [PMID: 29764623 DOI: 10.1016/j.nutres.2017.12.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Revised: 10/31/2017] [Accepted: 12/08/2017] [Indexed: 12/14/2022]
Abstract
Pancreatic cancer is a deadly disease. It is estimated that about 90% of pancreatic cancer cases are due to environmental risk factors. Among these, approximately 50% of pancreatic cancer cases may be attributed to diet, which is largely modifiable. Given this large attribution to diet, there have been numerous epidemiological studies assessing the risk of various dietary factors on the incidence of pancreatic cancer. However, many of these studies present conflicting and/or inconclusive findings. The objective of this review is two-fold: (a) to summarize the current evidence on the association between various dietary factors and the risk of developing pancreatic cancer and (b) to discuss what additional studies are needed to better elucidate the role of diet as a potential risk factor for pancreatic cancer. We summarized the evidence by using data primarily from meta-analyses and pooled analysis when available, focusing on the most studied nutrients, foods, and dietary patterns. We observed that, while the association between individual nutrients and pancreatic cancer risk have been heavily studied, the evidence is mostly conflicting and inconclusive. In contrast, the evidence of certain associations among dietary patterns and pancreatic cancer risk is clearer, has more power, and is less conflicting. Therefore, we propose a shift in the focus of nutritional epidemiological research with regards to pancreatic cancer risk. We discourage further epidemiological research studies that focus on single nutrients, whereas we strongly encourage additional studies that investigate how a combination of diet and other lifestyle factors may promote or prevent pancreatic carcinogenesis.
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Affiliation(s)
- Asmaa A Salem
- Department of Nutrition, University of California, Davis, One Shields Ave, Davis, CA, 95616
| | - Gerardo G Mackenzie
- Department of Nutrition, University of California, Davis, One Shields Ave, Davis, CA, 95616.
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19
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Liu W, Zhou H, Zhu Y, Tie C. Associations between dietary folate intake and risks of esophageal, gastric and pancreatic cancers: an overall and dose-response meta-analysis. Oncotarget 2017; 8:86828-86842. [PMID: 29156838 PMCID: PMC5689728 DOI: 10.18632/oncotarget.18775] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 05/22/2017] [Indexed: 12/14/2022] Open
Abstract
There are still some controversies on the association between dietary folate intake and the risk of upper gastrointestinal cancers including esophageal, gastric and pancreatic cancers. Hence, a comprehensive meta-analysis on all available literatures was performed to clarify the relationship between dietary folate intake and risks of upper gastrointestinal cancers. An electric search was performed up to December 12th, 2016 within the PubMed, MEDLINE AND EMBASE databases. Ultimately, a total of 46 studies which evaluated the association between folate intake and risks of upper gastrointestinal cancers were included. According to the data from included studies, the pooled results showed significant association between folate intake and esophageal (OR = 0.545, 95%CI = 0.432-0.658), gastric (OR=0.762, 95%CI=0.648-0.876) and pancreatic (OR=0.731, 95%CI=0.555-0.907) cancers. Linearity dose-response analysis indicated that with 100μg/day increment in dietary folate intake, the risk of esophageal, gastric and pancreatic cancers would decrease by 9%, 1.5% and 6%, respectively. These findings indicated that higher level of dietary folate intake could help for preventing upper gastrointestinal cancers including esophageal, gastric and pancreatic cancers.
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Affiliation(s)
- Wen Liu
- Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, P. R. China
| | - Heng Zhou
- Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, P. R. China
| | - Yaoqi Zhu
- Department of Stomatology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei Province, P. R. China.,Department of Stomatology, Taikang Tongji Hospital, Wuhan, 430000, Hubei Province, P. R. China
| | - Chaorong Tie
- Department of Stomatology, Taikang Tongji Hospital, Wuhan, 430000, Hubei Province, P. R. China
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Huang JY, Butler LM, Midttun Ø, Koh WP, Ueland PM, Wang R, Jin A, Gao YT, Yuan JM. Serum B 6 vitamers (pyridoxal 5'-phosphate, pyridoxal, and 4-pyridoxic acid) and pancreatic cancer risk: two nested case-control studies in Asian populations. Cancer Causes Control 2016; 27:1447-1456. [PMID: 27830400 PMCID: PMC5161671 DOI: 10.1007/s10552-016-0822-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 10/21/2016] [Indexed: 02/05/2023]
Abstract
BACKGROUND Vitamin B6 is an important enzymatic cofactor in pathways relevant for the development of pancreatic cancer. In order to evaluate vitamin B6 as a preventive factor for pancreatic cancer, a biomarker approach is needed to overcome the limitations inherent in self-reported dietary information. METHODS To determine whether levels of serum B6 vitamers, including pyridoxal 5'-phosphate (PLP), pyridoxal (PL), 4-pyridoxic acid (PA), and the PA/(PLP + PL) ratio (PAr), were associated with risk of pancreatic cancer, two nested case-control studies of 187 incident pancreatic cancer cases and 258 individually matched controls were conducted within two prospective cohorts of 81,501 participants in Shanghai, China, and Singapore. PLP, PL, and PA were quantified in pre-diagnostic serum samples. Odds ratios and 95% confidence intervals (CIs) were calculated using conditional logistic regression with adjustment for potential confounders. RESULTS The median (5th-95th percentiles) concentrations of serum PLP among control subjects of the Shanghai and Singapore cohorts were 25.7 (10.0-91.7) nmol/L and 58.1 (20.8-563.0) nmol/L, respectively. In pooled analyses, high serum PLP was associated with a reduced risk of pancreatic cancer (P for trend = 0.048); the adjusted odds ratio for the highest category of PLP (>52.4 nmol/L) was 0.46 (95% CI 0.23, 0.92) compared to vitamin B6 deficiency (<20 nmol/L). No associations were found for serum PL, PA, or PAr with pancreatic cancer risk. CONCLUSIONS Higher concentrations of PLP may protect against the development of pancreatic cancer. The protective effect may be more apparent in populations with low concentrations of circulating vitamin B6.
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Affiliation(s)
- Joyce Y Huang
- Division of Cancer Control and Population Science, University of Pittsburgh Cancer Institute, UPMC Cancer Pavilion, 5150 Centre Avenue - Suite 4C, Pittsburgh, PA, 15232, USA
- Department of Epidemiology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Lesley M Butler
- Division of Cancer Control and Population Science, University of Pittsburgh Cancer Institute, UPMC Cancer Pavilion, 5150 Centre Avenue - Suite 4C, Pittsburgh, PA, 15232, USA.
- Department of Epidemiology, University of Pittsburgh, Pittsburgh, PA, USA.
| | | | - Woon-Puay Koh
- Duke-NUS Medical School, National University of Singapore, Singapore, Singapore
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore
| | - Per M Ueland
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Laboratory of Clinical Biochemistry, Haukeland University Hospital, Bergen, Norway
| | - Renwei Wang
- Division of Cancer Control and Population Science, University of Pittsburgh Cancer Institute, UPMC Cancer Pavilion, 5150 Centre Avenue - Suite 4C, Pittsburgh, PA, 15232, USA
| | - Aizhen Jin
- National Registry of Diseases Office, Health Promotion Board, Singapore, Singapore
| | - Yu-Tang Gao
- Shanghai Jiaotong University, Shanghai, China
| | - Jian-Min Yuan
- Division of Cancer Control and Population Science, University of Pittsburgh Cancer Institute, UPMC Cancer Pavilion, 5150 Centre Avenue - Suite 4C, Pittsburgh, PA, 15232, USA
- Department of Epidemiology, University of Pittsburgh, Pittsburgh, PA, USA
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Choline and betaine consumption lowers cancer risk: a meta-analysis of epidemiologic studies. Sci Rep 2016; 6:35547. [PMID: 27759060 PMCID: PMC5069558 DOI: 10.1038/srep35547] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 09/30/2016] [Indexed: 12/22/2022] Open
Abstract
A number of human and animal in vitro or in vivo studies have investigated the relationship between dietary choline and betaine and cancer risk, suggesting that choline and betaine consumption may be protective for cancer. There are also a few epidemiologic studies exploring this relationship, however, with inconsistent conclusions. The PubMed and Embase were searched, from their inception to March 2016, to identify relevant studies and we brought 11 articles into this meta-analysis eventually. The pooled relative risks (RRs) of cancer for the highest versus the lowest range were 0.82 (95% CI, 0.70 to 0.97) for choline consumption only, 0.86 (95%CI, 0.76 to 0.97) for betaine consumption only and 0.60 (95%CI, 0.40 to 0.90) for choline plus betaine consumption, respectively. Significant protective effect of dietary choline and betaine for cancer was observed when stratified by study design, location, cancer type, publication year, sex and quality score of study. An increment of 100 mg/day of choline plus betaine intake helped reduce cancer incidence by 11% (0.89, 95% CI, 0.87 to 0.92) through a dose-response analysis. To conclude, choline and betaine consumption lowers cancer incidence in this meta-analysis, but further studies are warranted to verify the results.
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Barone E, Corrado A, Gemignani F, Landi S. Environmental risk factors for pancreatic cancer: an update. Arch Toxicol 2016; 90:2617-2642. [PMID: 27538405 DOI: 10.1007/s00204-016-1821-9] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Accepted: 08/04/2016] [Indexed: 02/07/2023]
Abstract
Pancreatic cancer (PC) is one of the most aggressive diseases. Only 10 % of all PC cases are thought to be due to genetic factors. Here, we analyzed the most recently published case-control association studies, meta-analyses, and cohort studies with the aim to summarize the main environmental factors that could have a role in PC. Among the most dangerous agents involved in the initiation phase, there are the inhalation of cigarette smoke, and the exposure to mutagenic nitrosamines, organ-chlorinated compounds, heavy metals, and ionizing radiations. Moreover, pancreatitis, high doses of alcohol drinking, the body microbial infections, obesity, diabetes, gallstones and/or cholecystectomy, and the accumulation of asbestos fibers seem to play a crucial role in the progression of the disease. However, some of these agents act both as initiators and promoters in pancreatic acinar cells. Protective agents include dietary flavonoids, marine omega-3, vitamin D, fruit, vegetables, and the habit of regular physical activity. The identification of the factors involved in PC initiation and progression could be of help in establishing novel therapeutic approaches by targeting the molecular signaling pathways responsive to these stimuli. Moreover, the identification of these factors could facilitate the development of strategies for an early diagnosis or measures of risk reduction for high-risk people.
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Affiliation(s)
- Elisa Barone
- Genetic Unit, Department of Biology, University of Pisa, Via Derna, 1, 56121, Pisa, Italy
| | - Alda Corrado
- Genetic Unit, Department of Biology, University of Pisa, Via Derna, 1, 56121, Pisa, Italy
| | - Federica Gemignani
- Genetic Unit, Department of Biology, University of Pisa, Via Derna, 1, 56121, Pisa, Italy
| | - Stefano Landi
- Genetic Unit, Department of Biology, University of Pisa, Via Derna, 1, 56121, Pisa, Italy.
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