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Liu J, Yang D, Sun X, Yang S, Zhang Y, Li Q, Deng S, Dai H, Wu X. Mass spectrum oriented metabolomics for evaluating the efficacy and discovering the mechanism of Shaofuzhuyu Decoction for endometriosis of cold coagulation and blood stasis. Heliyon 2024; 10:e33806. [PMID: 39071582 PMCID: PMC11279264 DOI: 10.1016/j.heliyon.2024.e33806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 06/11/2024] [Accepted: 06/27/2024] [Indexed: 07/30/2024] Open
Abstract
Shaofuzhuyu Decoction (SFZYD) is a classical formula for treating endometriosis of cold coagulation and blood stasis (ECB). The clinical efficacy is definite, but the potential mechanisms require further exploration. The study aimed to reveal the metabolic mechanisms of SFZYD for treating ECB using mass spectrum oriented metabolomics. Firstly, the study has used metabolomics data to identify biomarkers and to investigate metabolic pathways. Then, the targets of SFZYD for treating ECB were dug by building and analyzing a biological network of biomarkers. Finally, the obtained targets were validated by molecular docking. This study found that SFZYD could significantly improve the biochemical indicators and metabolic abnormalities of ECB. A total of 18 ECB-related biomarkers in 7 pathways were identified. SFZYD was able to regulate the levels of 14 biomarkers that were involved in 5 metabolic pathways. Furthermore, the study yielded 119 SFZYD active ingredients, 1119 target proteins associated with endometriosis, 610 targets associated with biomarkers, 727 GO functions, and 159 KEGG pathways. Biological network analysis constructed a network diagram of herbs-ingredients-targets-biomarkers, and found 6 key active ingredients and 9 core targets. Molecular docking showed high affinities between key ingredients and core targets. This study elucidated that SFZYD plays a role in treating ECB through multi-component, multi-target, and multi-pathway.
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Affiliation(s)
- Jing Liu
- School of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Dongxia Yang
- Department of Gynecology Medicine, Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xiaolan Sun
- School of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Saisai Yang
- School of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Yao Zhang
- School of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Qiyao Li
- School of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Siyao Deng
- School of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Haoran Dai
- School of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xiuhong Wu
- School of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin, China
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2
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Grishanova AY, Perepechaeva ML. Kynurenic Acid/AhR Signaling at the Junction of Inflammation and Cardiovascular Diseases. Int J Mol Sci 2024; 25:6933. [PMID: 39000041 PMCID: PMC11240928 DOI: 10.3390/ijms25136933] [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] [Received: 05/20/2024] [Revised: 06/14/2024] [Accepted: 06/21/2024] [Indexed: 07/14/2024] Open
Abstract
Persistent systemic chronic inflammatory conditions are linked with many pathologies, including cardiovascular diseases (CVDs), a leading cause of death across the globe. Among various risk factors, one of the new possible contributors to CVDs is the metabolism of essential amino acid tryptophan. Proinflammatory signals promote tryptophan metabolism via the kynurenine (KYN) pathway (KP), thereby resulting in the biosynthesis of several immunomodulatory metabolites whose biological effects are associated with the development of symptoms and progression of various inflammatory diseases. Some participants in the KP are agonists of aryl hydrocarbon receptor (AhR), a central player in a signaling pathway that, along with a regulatory influence on the metabolism of environmental xenobiotics, performs a key immunomodulatory function by triggering various cellular mechanisms with the participation of endogenous ligands to alleviate inflammation. An AhR ligand with moderate affinity is the central metabolite of the KP: KYN; one of the subsequent metabolites of KYN-kynurenic acid (KYNA)-is a more potent ligand of AhR. Understanding the role of AhR pathway-related metabolites of the KP that regulate inflammatory factors in cells of the cardiovascular system is interesting and important for achieving effective treatment of CVDs. The purpose of this review was to summarize the results of studies about the participation of the KP metabolite-KYNA-and of the AhR signaling pathway in the regulation of inflammation in pathological conditions of the heart and blood vessels and about the possible interaction of KYNA with AhR signaling in some CVDs.
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Affiliation(s)
| | - Maria L. Perepechaeva
- Institute of Molecular Biology and Biophysics, Federal Research Center of Fundamental and Translational Medicine, Timakova Str. 2, Novosibirsk 630060, Russia;
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Chu V, Fascetti AJ, Larsen JA, Montano M, Giulivi C. Factors influencing vitamin B6 status in domestic cats: age, disease, and body condition score. Sci Rep 2024; 14:2037. [PMID: 38263201 PMCID: PMC10806207 DOI: 10.1038/s41598-024-52367-y] [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] [Received: 09/08/2023] [Accepted: 01/17/2024] [Indexed: 01/25/2024] Open
Abstract
Limited studies are available on vitamin B6 status in domestic cats. To this end, we evaluated glutamate-oxaloacetate transaminase (GOT) activity in hemolysates with and without pyridoxal 5'-phosphate addition in two feline populations: a cohort of 60 healthy, domestic (sexually intact and specific pathogen-free) cats maintained under strictly controlled conditions with appropriate diets housed at the Feline Nutrition and Pet Care Center, and a cohort of 57 cats randomly selected between December 2022 to January 2023 that visited the Veterinary Medicine Teaching Hospital to seek care under different circumstances. The GOT activity expressed as the ratio with and without pyridoxal 5'-phosphate addition (primary activation ratio; PAR) decreased significantly with age in the healthy cohort. The PAR values normalized to age established a cut-off for vitamin B6 deficiency in both cohorts, identifying 17 of 101 animals as vitamin B6 deficient. Using machine learning, a partition-based model (decision tree) was built to identify the most important factors that predicted vitamin B6 deficiency while using the resulting tree to make predictions for new observations. This analysis, performed with all 101 cats, revealed that the diagnosis of an infectious, chronic or acute condition (0.55) was the main contributor, followed by age (0.26), and body condition score (optimal-overweight; 0.19). Thus, our study supports that vitamin B6 supplementation may be indicated in junior to adult animals diagnosed with an infectious, chronic, or acute conditions or healthy cats with body weight ranging from optimal to overweight. In older cats, even if healthy, underweight to optimal cats appear to be at risk of vitamin B6 deficiency.
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Affiliation(s)
- Vy Chu
- Department of Molecular Biosciences, University of California Davis, School of Veterinary Medicine, Davis, CA, USA
| | - Andrea J Fascetti
- Department of Molecular Biosciences, University of California Davis, School of Veterinary Medicine, Davis, CA, USA
| | - Jennifer A Larsen
- Department of Molecular Biosciences, University of California Davis, School of Veterinary Medicine, Davis, CA, USA
| | - Maria Montano
- Department of Molecular Biosciences, University of California Davis, School of Veterinary Medicine, Davis, CA, USA
| | - Cecilia Giulivi
- Department of Molecular Biosciences, University of California Davis, School of Veterinary Medicine, Davis, CA, USA.
- Medical Investigation of Neurodevelopmental Disorders (MIND) Institute UCDH, University of California Davis, Sacramento, CA, USA.
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He C, Wang D, Shukla SK, Hu T, Thakur R, Fu X, King RJ, Kollala SS, Attri KS, Murthy D, Chaika NV, Fujii Y, Gonzalez D, Pacheco CG, Qiu Y, Singh PK, Locasale JW, Mehla K. Vitamin B6 Competition in the Tumor Microenvironment Hampers Antitumor Functions of NK Cells. Cancer Discov 2024; 14:176-193. [PMID: 37931287 PMCID: PMC10784745 DOI: 10.1158/2159-8290.cd-23-0334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 08/27/2023] [Accepted: 11/03/2023] [Indexed: 11/08/2023]
Abstract
Nutritional factors play crucial roles in immune responses. The tumor-caused nutritional deficiencies are known to affect antitumor immunity. Here, we demonstrate that pancreatic ductal adenocarcinoma (PDAC) cells can suppress NK-cell cytotoxicity by restricting the accessibility of vitamin B6 (VB6). PDAC cells actively consume VB6 to support one-carbon metabolism, and thus tumor cell growth, causing VB6 deprivation in the tumor microenvironment. In comparison, NK cells require VB6 for intracellular glycogen breakdown, which serves as a critical energy source for NK-cell activation. VB6 supplementation in combination with one-carbon metabolism blockage effectively diminishes tumor burden in vivo. Our results expand the understanding of the critical role of micronutrients in regulating cancer progression and antitumor immunity, and open new avenues for developing novel therapeutic strategies against PDAC. SIGNIFICANCE The nutrient competition among the different tumor microenvironment components drives tumor growth, immune tolerance, and therapeutic resistance. PDAC cells demand a high amount of VB6, thus competitively causing NK-cell dysfunction. Supplying VB6 with blocking VB6-dependent one-carbon metabolism amplifies the NK-cell antitumor immunity and inhibits tumor growth in PDAC models. This article is featured in Selected Articles from This Issue, p. 5.
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Affiliation(s)
- Chunbo He
- Department of Oncology Science, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Dezhen Wang
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska
| | - Surendra K. Shukla
- Department of Oncology Science, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Tuo Hu
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska
| | - Ravi Thakur
- Department of Oncology Science, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Xiao Fu
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska
- Department of General Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Ryan J. King
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska
| | - Sai Sundeep Kollala
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska
| | - Kuldeep S. Attri
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska
| | - Divya Murthy
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska
| | - Nina V. Chaika
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska
| | - Yuki Fujii
- Department of Oncology Science, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Daisy Gonzalez
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska
| | - Camila G. Pacheco
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska
| | - Yudong Qiu
- Department of General Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Pankaj K. Singh
- Department of Oncology Science, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- OU Health Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Jason W. Locasale
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, North Carolina
| | - Kamiya Mehla
- Department of Oncology Science, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- OU Health Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Department of Microbiology and Immunology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
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Bjørke-Monsen AL, Ueland PM. Vitamin B 6: a scoping review for Nordic Nutrition Recommendations 2023. Food Nutr Res 2023; 67:10259. [PMID: 38187791 PMCID: PMC10770651 DOI: 10.29219/fnr.v67.10259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 06/30/2022] [Accepted: 09/27/2023] [Indexed: 01/09/2024] Open
Abstract
Pyridoxal 5´-phosphate (PLP) is the main form of vitamin B6 in animal tissue and functions as a coenzyme for more than 160 different enzymatic reactions in the metabolism of amino acids, carbohydrates, lipids, and neurotransmitters. Estimated dietary intake of vitamin B6 and plasma PLP values differ a lot between studies, something which may be due to variable use of supplements, variations in dietary assessment and analytical methods. These factors make it difficult to achieve precise data for setting a correct recommended intake of vitamin B6. In addition, a plasma PLP concentration of 30 nmol/L is considered to be sufficient and the current recommendations for vitamin B6 intake is based on this concept. However, the metabolic marker for vitamin B6 status, HK ratio (HKr), starts to increase already when plasma PLP falls below 100 nmol/L and increases more steeply below 50 nmol/L, indicating biochemical deficiency. Consequently, a plasma PLP concentration of 30 nmol/L, may be too low as a marker for an adequate vitamin B6 status.
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Affiliation(s)
- Anne-Lise Bjørke-Monsen
- Department of Medical Biochemistry and Pharmacology, Haukeland University Hospital, 5021 Bergen, Norway
| | - Per Magne Ueland
- Department of Clinical Science, University of Bergen, Bergen, Norway
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Khobrani M, Kandasamy G, Vasudevan R, Alhossan A, Chowdary Puvvada R, Devanandan P, Dhurke R, Naredla M. Impact of Vitamin B6 Deficiency on the Severity of Diabetic Peripheral Neuropathy – A Cross Sectional Study. Saudi Pharm J 2023; 31:655-658. [PMID: 37181142 PMCID: PMC10172568 DOI: 10.1016/j.jsps.2023.03.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 03/01/2023] [Indexed: 03/11/2023] Open
Abstract
Background Diabetic Peripheral Neuropathy is one of the most important and significantly prevalent microvascular complications of Diabetes Mellitus. Pyridoxine is a key nutrient for protecting nerve health. The objective of this research is to study the prevalence rate of pyridoxine deficiency in Diabetic neuropathy patients, to understand the correlation between various biochemical and markers of diabetic neuropathy and pyridoxine deficiency. Results 249 patients were selected for the study based on the selection criteria participants. 51.8% prevalence of pyridoxine deficiency in Diabetic neuropathy patients. The nerve conduction velocity significantly reduced in pyridoxine deficiency cases (p < 0.05). A strong inverse relationship is observed with fasting blood sugar levels and glycated hemoglobin pyridoxine deficiency might contribute to impaired glucose tolerance. Conclusion There also exists a strong inverse relationship with glycemic markers. Significant direct correlation is observed with nerve conduction velocity. Pyridoxine also has properties of antioxidant which may be utilized for the management of Diabetic Neuropathy.
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7
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Dietary vitamin B6 restriction aggravates neurodegeneration in mice fed a high-fat diet. Life Sci 2022; 309:121041. [DOI: 10.1016/j.lfs.2022.121041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 09/26/2022] [Accepted: 10/01/2022] [Indexed: 11/18/2022]
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8
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Ge L, Luo J, Zhang L, Kang X, Zhang D. Association of Pyridoxal 5′-Phosphate with Sleep-Related Problems in a General Population. Nutrients 2022; 14:nu14173516. [PMID: 36079774 PMCID: PMC9460331 DOI: 10.3390/nu14173516] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/19/2022] [Accepted: 08/24/2022] [Indexed: 11/16/2022] Open
Abstract
The evidence on the relationship of pyridoxal 5′-phosphate (PLP) with sleep-related problems is limited and controversial. Notably, there is a lack of studies on the general population and studies of the dose–response relationship. Therefore, we conducted a cross-sectional study to examine the associations between serum PLP concentration and sleep-related problems (sleep quality and sleep duration) in adults, using the data of the National Health and Nutrition Examination Survey 2005–2010. High-performance liquid chromatography (HPLC) was used to test PLP in blood samples. Sleep quality and sleep duration were based on self-reported data, with sleep quality categorized as sleep disorder, trouble falling asleep, waking up during the night, and daytime sleepiness. The primary analyses utilized logistic regression models and restricted cubic spline. Compared with the first quartile (Q1), the odds ratios (ORs) and 95% confidence intervals (CIs) of daytime sleepiness for the Q2 and Q3 of serum PLP concentrations were 0.76 (0.59–0.99) and 0.78 (0.62–0.98), respectively. The relationship was only significant for males. Furthermore, a non-linear dose–response relationship was observed between serum PLP concentration and the risk of daytime sleepiness. Compared with the normal sleep duration group, serum PLP concentrations were negatively associated with the risks of very short, short, and long sleep duration, with relative risk ratios (RRRs) of 0.58 (0.43–0.81) (Q4), 0.71 (0.61–0.83) (Q4) and 0.62 (0.34–0.94) (Q3), respectively. The average serum PLP concentrations were higher in people with normal sleep duration, suggesting a non-linear dose–response relationship. Our study indicated that serum PLP concentrations were negatively associated with daytime sleepiness, and this association may only exist in males. Moreover, it was also inversely related to abnormal sleep duration (very short, short, long) compared to normal sleep duration.
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Aoun R, Hanauer S. A critical review of ozanimod for the treatment of adults with moderately to severely active ulcerative colitis. Expert Rev Gastroenterol Hepatol 2022; 16:411-423. [PMID: 35400292 DOI: 10.1080/17474124.2022.2065258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Ozanimod is a sphingosine-1-phosphate (S1P) modulator that inhibits lymphocyte trafficking from lymph nodes to the circulation. It is approved by the US Food and Drug Administration (FDA) for the treatment of relapsing multiple sclerosis and most recently for the management of moderate-severe ulcerative colitis (UC). AREAS COVERED Here we review the status of drugs approved for moderate-severe UC, the unmet needs in the management of UC, proposed mechanisms of action of S1P modulators, clinical data regarding ozanimod in UC, and emerging S1P modulators being evaluated in inflammatory bowel disease. EXPERT OPINION Ozanimod is superior to placebo in inducing and maintaining clinical and endoscopic remission in UC. Adverse events include transient asymptomatic bradycardia, first-degree atrioventricular blocks, transient asymptomatic hepatotoxicity, macular edema in patients with preexisting risk factors, and increased risk of nasopharyngitis. Ozanimod is contraindicated in patients with clinically significant cardiovascular diseases, type II second-, or third-degree atrioventricular blocks, and females of childbearing age who do not use contraception. Ozanimod is the first S1P modulator to be approved for UC, offering a new therapeutic class option for patients. It has the advantages of being convenient with a once-daily oral administration, non-immunogenic, and overall safe when used in patients without contraindications.
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Affiliation(s)
- Roni Aoun
- Division of Gastroenterology and Hepatology, Northwestern University-Feinberg School of Medicine, Chicago, Illinois, USA
| | - Stephen Hanauer
- Division of Gastroenterology and Hepatology, Northwestern University-Feinberg School of Medicine, Chicago, Illinois, USA
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10
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Holowatyj AN, Ose J, Gigic B, Lin T, Ulvik A, Geijsen AJMR, Brezina S, Kiblawi R, van Roekel EH, Baierl A, Böhm J, Bours MJL, Brenner H, Breukink SO, Chang-Claude J, de Wilt JHW, Grady WM, Grünberger T, Gumpenberger T, Herpel E, Hoffmeister M, Keulen ETP, Kok DE, Koole JL, Kosma K, Kouwenhoven EA, Kvalheim G, Li CI, Schirmacher P, Schrotz-King P, Singer MC, van Duijnhoven FJB, van Halteren HK, Vickers K, Vogelaar FJ, Warby CA, Wesselink E, Ueland PM, Ulrich AB, Schneider M, Habermann N, Kampman E, Weijenberg MP, Gsur A, Ulrich CM. Higher vitamin B6 status is associated with improved survival among patients with stage I-III colorectal cancer. Am J Clin Nutr 2022; 116:303-313. [PMID: 35394006 PMCID: PMC9348990 DOI: 10.1093/ajcn/nqac090] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 04/04/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Folate-mediated 1-carbon metabolism requires several nutrients, including vitamin B6. Circulating biomarker concentrations indicating high vitamin B6 status are associated with a reduced risk of colorectal cancer (CRC). However, little is known about the effect of B6 status in relation to clinical outcomes in CRC patients. OBJECTIVES We investigated survival outcomes in relation to vitamin B6 status in prospectively followed CRC patients. METHODS A total of 2031 patients with stage I-III CRC participated in 6 prospective patient cohorts in the international FOCUS (folate-dependent 1-carbon metabolism in colorectal cancer recurrence and survival) Consortium. Preoperative blood samples were used to measure vitamin B6 status by the direct marker pyridoxal 5'-phosphate (PLP), as well as the functional marker HK-ratio (HKr)[3'-hydroxykynurenine: (kynurenic acid + xanthurenic acid + 3'-hydroxy anthranilic acid + anthranilic acid)]. Using Cox proportional hazards regression, we examined associations of vitamin B6 status with overall survival (OS), disease-free survival (DFS), and risk of recurrence, adjusted for patient age, sex, circulating creatinine concentrations, tumor site, stage, and cohort. RESULTS After a median follow-up of 3.2 y for OS, higher preoperative vitamin B6 status as assessed by PLP and the functional marker HKr was associated with 16-32% higher all-cause and disease-free survival, although there was no significant association with disease recurrence (doubling in PLP concentration: HROS, 0.68; 95% CI: 0.59, 0.79; HRDFS, 0.84; 95% CI: 0.75, 0.94; HRRecurrence, 0.96; 95% CI: 0.84, 1.09; HKr: HROS, 2.04; 95% CI: 1.67, 2.49; HRDFS, 1.56; 95% CI: 1.31, 1.85; HRRecurrence, 1.21; 95% CI: 0.96,1. 52). The association of PLP with improved OS was consistent across colorectal tumor site (right-sided colon: HROS, 0.75; 95% CI: 0.59, 0.96; left-sided colon: HROS, 0.71; 95% CI: 0.55, 0.92; rectosigmoid junction and rectum: HROS, 0.61; 95% CI: 0.47, 0.78). CONCLUSION Higher preoperative vitamin B6 status is associated with improved OS among stage I-III CRC patients.
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Affiliation(s)
- Andreana N Holowatyj
- Huntsman Cancer Institute, Salt Lake City, Utah, USA,Department of Population Health Sciences, University of Utah, Salt Lake City, Utah, USA,Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Jennifer Ose
- Huntsman Cancer Institute, Salt Lake City, Utah, USA,Department of Population Health Sciences, University of Utah, Salt Lake City, Utah, USA
| | - Biljana Gigic
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Germany
| | - Tengda Lin
- Huntsman Cancer Institute, Salt Lake City, Utah, USA,Department of Population Health Sciences, University of Utah, Salt Lake City, Utah, USA
| | | | - Anne J M R Geijsen
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, The Netherlands
| | - Stefanie Brezina
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Austria
| | - Rama Kiblawi
- Huntsman Cancer Institute, Salt Lake City, Utah, USA,Department of Population Health Sciences, University of Utah, Salt Lake City, Utah, USA,Medical Faculty, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | - Eline H van Roekel
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, The Netherlands
| | - Andreas Baierl
- Department of Statistics and Operations Research, University of Vienna, Austria
| | - Jürgen Böhm
- Huntsman Cancer Institute, Salt Lake City, Utah, USA,Department of Population Health Sciences, University of Utah, Salt Lake City, Utah, USA
| | - Martijn J L Bours
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, The Netherlands
| | - Hermann Brenner
- Division of Preventive Oncology, National Center for Tumor Diseases and German Cancer Research Center, Heidelberg, Germany,Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany,German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Stéphanie O Breukink
- Department of Surgery, GROW School for Oncology and Development Biology, Maastricht University, The Netherlands
| | - Jenny Chang-Claude
- Division of Cancer Epidemiology, German Cancer Research Center, Heidelberg Germany
| | - Johannes H W de Wilt
- Department of Surgery, Division of Surgical Oncology and Gastrointestinal Surgery, Radboud University Medical Center, The Netherlands
| | - William M Grady
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | | | - Tanja Gumpenberger
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Austria
| | - Esther Herpel
- Institute of Pathology, University of Heidelberg, Germany
| | - Michael Hoffmeister
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Eric T P Keulen
- Department of Internal Medicine and Gastroenterology, Zuyderland Medical Center, Sittard, The Netherlands
| | - Dieuwertje E Kok
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, The Netherlands
| | - Janna L Koole
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, The Netherlands
| | - Katharina Kosma
- Department of Surgery, Kaiser Franz Josef Hospital, Vienna, Austria
| | | | | | - Christopher I Li
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | | | - Petra Schrotz-King
- Division of Preventive Oncology, National Center for Tumor Diseases and German Cancer Research Center, Heidelberg, Germany
| | - Marie C Singer
- Department of Surgery, Kaiser Franz Josef Hospital, Vienna, Austria
| | | | - Henk K van Halteren
- Department of Internal Medicine, Admiraal de Ruyter Hospital, Goes, The Netherlands
| | - Kathy Vickers
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - F Jeroen Vogelaar
- Department of Surgery, VieCuri Medical Center, Venlo, The Netherlands
| | - Christy A Warby
- Huntsman Cancer Institute, Salt Lake City, Utah, USA,Department of Population Health Sciences, University of Utah, Salt Lake City, Utah, USA
| | - Evertine Wesselink
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, The Netherlands
| | | | - Alexis B Ulrich
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Germany
| | - Martin Schneider
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Germany
| | - Nina Habermann
- Genome Biology, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Ellen Kampman
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, The Netherlands
| | - Matty P Weijenberg
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, The Netherlands
| | - Andrea Gsur
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Austria
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11
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Mangel N, Fudge JB, Gruissem W, Fitzpatrick TB, Vanderschuren H. Natural Variation in Vitamin B 1 and Vitamin B 6 Contents in Rice Germplasm. FRONTIERS IN PLANT SCIENCE 2022; 13:856880. [PMID: 35444674 PMCID: PMC9014206 DOI: 10.3389/fpls.2022.856880] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 02/24/2022] [Indexed: 05/03/2023]
Abstract
Insufficient dietary intake of micronutrients contributes to the onset of deficiencies termed hidden hunger-a global health problem affecting approximately 2 billion people. Vitamin B1 (thiamine) and vitamin B6 (pyridoxine) are essential micronutrients because of their roles as enzymatic cofactors in all organisms. Metabolic engineering attempts to biofortify rice endosperm-a poor source of several micronutrients leading to deficiencies when consumed monotonously-have led to only minimal improvements in vitamin B1 and B6 contents. To determine if rice germplasm could be exploited for biofortification of rice endosperm, we screened 59 genetically diverse accessions under greenhouse conditions for variation in vitamin B1 and vitamin B6 contents across three tissue types (leaves, unpolished and polished grain). Accessions from low, intermediate and high vitamin categories that had similar vitamin levels in two greenhouse experiments were chosen for in-depth vitamer profiling and selected biosynthesis gene expression analyses. Vitamin B1 and B6 contents in polished seeds varied almost 4-fold. Genes encoding select vitamin B1 and B6 biosynthesis de novo enzymes (THIC for vitamin B1, PDX1.3a-c and PDX2 for vitamin B6) were differentially expressed in leaves across accessions contrasting in their respective vitamin contents. These expression levels did not correlate with leaf and unpolished seed vitamin contents, except for THIC expression in leaves that was positively correlated with total vitamin B1 contents in polished seeds. This study expands our knowledge of diversity in micronutrient traits in rice germplasm and provides insights into the expression of genes for vitamin B1 and B6 biosynthesis in rice.
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Affiliation(s)
- Nathalie Mangel
- Plant Biotechnology, Department of Biology, ETH Zurich, Zurich, Switzerland
| | - Jared B Fudge
- Vitamin & Environmental Stress Responses in Plants, Department of Botany and Plant Biology, Université de Genève, Geneva, Switzerland
| | - Wilhelm Gruissem
- Plant Biotechnology, Department of Biology, ETH Zurich, Zurich, Switzerland
- Biotechnology Center, National Chung Hsing University, Taichung, Taiwan
| | - Teresa B Fitzpatrick
- Vitamin & Environmental Stress Responses in Plants, Department of Botany and Plant Biology, Université de Genève, Geneva, Switzerland
| | - Hervé Vanderschuren
- Plant Biotechnology, Department of Biology, ETH Zurich, Zurich, Switzerland
- Plant Genetics Laboratory, TERRA Teaching and Research Center, Gembloux Agro-Bio Tech, Université de Liège, Gembloux, Belgium
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12
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Evens L, Beliën H, D’Haese S, Haesen S, Verboven M, Rummens JL, Bronckaers A, Hendrikx M, Deluyker D, Bito V. Combinational Therapy of Cardiac Atrial Appendage Stem Cells and Pyridoxamine: The Road to Cardiac Repair? Int J Mol Sci 2021; 22:ijms22179266. [PMID: 34502175 PMCID: PMC8431115 DOI: 10.3390/ijms22179266] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 12/04/2022] Open
Abstract
Myocardial infarction (MI) occurs when the coronary blood supply is interrupted. As a consequence, cardiomyocytes are irreversibly damaged and lost. Unfortunately, current therapies for MI are unable to prevent progression towards heart failure. As the renewal rate of cardiomyocytes is minimal, the optimal treatment should achieve effective cardiac regeneration, possibly with stem cells transplantation. In that context, our research group identified the cardiac atrial appendage stem cells (CASCs) as a new cellular therapy. However, CASCs are transplanted into a hostile environment, with elevated levels of advanced glycation end products (AGEs), which may affect their regenerative potential. In this study, we hypothesize that pyridoxamine (PM), a vitamin B6 derivative, could further enhance the regenerative capacities of CASCs transplanted after MI by reducing AGEs’ formation. Methods and Results: MI was induced in rats by ligation of the left anterior descending artery. Animals were assigned to either no therapy (MI), CASCs transplantation (MI + CASCs), or CASCs transplantation supplemented with PM treatment (MI + CASCs + PM). Four weeks post-surgery, global cardiac function and infarct size were improved upon CASCs transplantation. Interstitial collagen deposition, evaluated on cryosections, was decreased in the MI animals transplanted with CASCs. Contractile properties of resident left ventricular cardiomyocytes were assessed by unloaded cell shortening. CASCs transplantation prevented cardiomyocyte shortening deterioration. Even if PM significantly reduced cardiac levels of AGEs, cardiac outcome was not further improved. Conclusion: Limiting AGEs’ formation with PM during an ischemic injury in vivo did not further enhance the improved cardiac phenotype obtained with CASCs transplantation. Whether AGEs play an important deleterious role in the setting of stem cell therapy after MI warrants further examination.
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Affiliation(s)
- Lize Evens
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Hanne Beliën
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Sarah D’Haese
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Sibren Haesen
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Maxim Verboven
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Jean-Luc Rummens
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
- UHasselt—Hasselt University, Faculty of Medicine and Life Sciences, Agoralaan, 3590 Diepenbeek, Belgium
| | - Annelies Bronckaers
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Marc Hendrikx
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Dorien Deluyker
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Virginie Bito
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
- Correspondence: ; Tel.: +32-11269285
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13
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Rudzki L, Stone TW, Maes M, Misiak B, Samochowiec J, Szulc A. Gut microbiota-derived vitamins - underrated powers of a multipotent ally in psychiatric health and disease. Prog Neuropsychopharmacol Biol Psychiatry 2021; 107:110240. [PMID: 33428888 DOI: 10.1016/j.pnpbp.2020.110240] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 11/19/2020] [Accepted: 12/30/2020] [Indexed: 02/06/2023]
Abstract
Despite the well-established roles of B-vitamins and their deficiencies in health and disease, there is growing evidence indicating a key role of those nutrients in functions of the central nervous system and in psychopathology. Clinical data indicate the substantial role of B-vitamins in various psychiatric disorders, including major depression, bipolar disorder, schizophrenia, autism, and dementia, including Alzheimer's and Parkinson's diseases. As enzymatic cofactors, B-vitamins are involved in many physiological processes such as the metabolism of glucose, fatty acids and amino acids, metabolism of tryptophan in the kynurenine pathway, homocysteine metabolism, synthesis and metabolism of various neurotransmitters and neurohormones including serotonin, dopamine, adrenaline, acetylcholine, GABA, glutamate, D-serine, glycine, histamine and melatonin. Those vitamins are highly involved in brain energetic metabolism and respiration at the cellular level. They have a broad range of anti-inflammatory, immunomodulatory, antioxidant and neuroprotective properties. Furthermore, some of those vitamins are involved in the regulation of permeability of the intestinal and blood-brain barriers. Despite the fact that a substantial amount of the above vitamins is acquired from various dietary sources, deficiencies are not uncommon, and it is estimated that micronutrient deficiencies affect about two billion people worldwide. The majority of gut-resident microbes and the broad range of bacteria available in fermented food, express genetic machinery enabling the synthesis and metabolism of B-vitamins and, consequently, intestinal microbiota and fermented food rich in probiotic bacteria are essential sources of B-vitamins for humans. All in all, there is growing evidence that intestinal bacteria-derived vitamins play a significant role in physiology and that dysregulation of the "microbiota-vitamins frontier" is related to various disorders. In this review, we will discuss the role of vitamins in mental health and explore the perspectives and potential of how gut microbiota-derived vitamins could contribute to mental health and psychiatric treatment.
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Affiliation(s)
- Leszek Rudzki
- The Charleston Centre, 49 Neilston Road, Paisley PA2 6LY, UK.
| | | | - Michael Maes
- Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; Department of Psychiatry, Medical University of Plovdiv, Bulgaria; IMPACT Strategic Research Center, Deakin University, Geelong, Australia
| | - Błażej Misiak
- Department of Psychiatry, Wroclaw Medical University, Pasteura 10 Street, 50-367 Wroclaw, Poland
| | - Jerzy Samochowiec
- Department of Psychiatry, Pomeranian Medical University, Broniewskiego 26 Street, 71-460 Szczecin, Poland
| | - Agata Szulc
- Department of Psychiatry, Medical University of Warsaw, Poland
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14
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Mesnage R, Teixeira M, Mandrioli D, Falcioni L, Ibragim M, Ducarmon QR, Zwittink RD, Amiel C, Panoff JM, Bourne E, Savage E, Mein CA, Belpoggi F, Antoniou MN. Multi-omics phenotyping of the gut-liver axis reveals metabolic perturbations from a low-dose pesticide mixture in rats. Commun Biol 2021; 4:471. [PMID: 33854195 PMCID: PMC8046807 DOI: 10.1038/s42003-021-01990-w] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 03/15/2021] [Indexed: 12/24/2022] Open
Abstract
Health effects of pesticides are not always accurately detected using the current battery of regulatory toxicity tests. We compared standard histopathology and serum biochemistry measures and multi-omics analyses in a subchronic toxicity test of a mixture of six pesticides frequently detected in foodstuffs (azoxystrobin, boscalid, chlorpyrifos, glyphosate, imidacloprid and thiabendazole) in Sprague-Dawley rats. Analysis of water and feed consumption, body weight, histopathology and serum biochemistry showed little effect. Contrastingly, serum and caecum metabolomics revealed that nicotinamide and tryptophan metabolism were affected, which suggested activation of an oxidative stress response. This was not reflected by gut microbial community composition changes evaluated by shotgun metagenomics. Transcriptomics of the liver showed that 257 genes had their expression changed. Gene functions affected included the regulation of response to steroid hormones and the activation of stress response pathways. Genome-wide DNA methylation analysis of the same liver samples showed that 4,255 CpG sites were differentially methylated. Overall, we demonstrated that in-depth molecular profiling in laboratory animals exposed to low concentrations of pesticides allows the detection of metabolic perturbations that would remain undetected by standard regulatory biochemical measures and which could thus improve the predictability of health risks from exposure to chemical pollutants.
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Affiliation(s)
- Robin Mesnage
- Gene Expression and Therapy Group, King's College London, Faculty of Life Sciences & Medicine, Department of Medical and Molecular Genetics, Guy's Hospital, London, UK
| | - Maxime Teixeira
- UR Aliments Bioprocédés Toxicologie Environnements, EA 4651, University of Caen Normandy (UCN), Caen, France
| | | | | | - Mariam Ibragim
- Gene Expression and Therapy Group, King's College London, Faculty of Life Sciences & Medicine, Department of Medical and Molecular Genetics, Guy's Hospital, London, UK
| | - Quinten Raymond Ducarmon
- Center for Microbiome Analyses and Therapeutics, Leiden University Medical Center, Leiden, The Netherlands
| | - Romy Daniëlle Zwittink
- Center for Microbiome Analyses and Therapeutics, Leiden University Medical Center, Leiden, The Netherlands
| | - Caroline Amiel
- UR Aliments Bioprocédés Toxicologie Environnements, EA 4651, University of Caen Normandy (UCN), Caen, France
| | - Jean-Michel Panoff
- UR Aliments Bioprocédés Toxicologie Environnements, EA 4651, University of Caen Normandy (UCN), Caen, France
| | - Emma Bourne
- Genome Centre, Barts and the London School of Medicine and Dentistry, Blizard Institute, London, UK
| | - Emanuel Savage
- Genome Centre, Barts and the London School of Medicine and Dentistry, Blizard Institute, London, UK
| | - Charles A Mein
- Genome Centre, Barts and the London School of Medicine and Dentistry, Blizard Institute, London, UK
| | | | - Michael N Antoniou
- Gene Expression and Therapy Group, King's College London, Faculty of Life Sciences & Medicine, Department of Medical and Molecular Genetics, Guy's Hospital, London, UK.
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15
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Yang K, Xu M, Cao J, Zhu Q, Rahman M, Holmén BA, Fukagawa NK, Zhu J. Ultrafine particles altered gut microbial population and metabolic profiles in a sex-specific manner in an obese mouse model. Sci Rep 2021; 11:6906. [PMID: 33767227 PMCID: PMC7994449 DOI: 10.1038/s41598-021-85784-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 03/03/2021] [Indexed: 12/13/2022] Open
Abstract
Emerging evidence has highlighted the connection between exposure to air pollution and the increased risk of obesity, metabolic syndrome, and comorbidities. Given the recent interest in studying the effects of ultrafine particle (UFP) on the health of obese individuals, this study examined the effects of gastrointestinal UFP exposure on gut microbial composition and metabolic function using an in vivo murine model of obesity in both sexes. UFPs generated from light-duty diesel engine combustion of petrodiesel (B0) and a petrodiesel/biodiesel fuel blend (80:20 v/v, B20) were administered orally. Multi-omics approaches, including liquid chromatography-mass spectrometry (LC-MS) based targeted metabolomics and 16S rRNA gene sequence analysis, semi-quantitatively compared the effects of 10-day UFP exposures on obese C57B6 mouse gut microbial population, changes in diversity and community function compared to a phosphate buffer solution (PBS) control group. Our results show that sex-specific differences in the gut microbial population in response to UFP exposure can be observed, as UFPs appear to have a differential impact on several bacterial families in males and females. Meanwhile, the alteration of seventy-five metabolites from the gut microbial metabolome varied significantly (ANOVA p < 0.05) across the PBS control, B0, and B20 groups. Multivariate analyses revealed that the fuel-type specific disruption to the microbial metabolome was observed in both sexes, with stronger disruptive effects found in females in comparison to male obese mice. Metabolic signatures of bacterial cellular oxidative stress, such as the decreased concentration of nucleotides and lipids and increased concentrations of carbohydrate, energy, and vitamin metabolites were detected. Furthermore, blood metabolites from the obese mice were differentially affected by the fuel types used to generate the UFPs (B0 vs. B20).
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Affiliation(s)
- Kundi Yang
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH, 45056, USA
| | - Mengyang Xu
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH, 45056, USA
| | - Jingyi Cao
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH, 45056, USA
| | - Qi Zhu
- Department of Biology, Miami University, Oxford, OH, 45056, USA
| | - Monica Rahman
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH, 45056, USA
| | - Britt A Holmén
- School of Engineering, University of Vermont, Burlington, VT, 05405, USA
| | - Naomi K Fukagawa
- USDA ARS Beltsville Human Nutrition Research Center, Beltsville, MD, 20705, USA
| | - Jiangjiang Zhu
- Department of Human Sciences, The Ohio State University, 302D Wiseman Hall, 400 W 12th Ave, Columbus, OH, 43210, USA.
- James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, 43210, USA.
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16
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Więdłocha M, Marcinowicz P, Janoska-Jaździk M, Szulc A. Gut microbiota, kynurenine pathway and mental disorders - Review. Prog Neuropsychopharmacol Biol Psychiatry 2021; 106:110145. [PMID: 33203568 DOI: 10.1016/j.pnpbp.2020.110145] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 10/13/2020] [Accepted: 10/16/2020] [Indexed: 02/08/2023]
Abstract
The intestine and the gut-associated limphoid tissue constitute the largest immunity organ of the human body. Among several possible tryptophan metabolism routes, the kynurenine pathway can be influenced by the gut microbiota. Disturbances of gut biodiversity may cause increased gut permeability and cause systemic inflammation, also related to central nervous system. Proinflammatory cytokines induce kynurenine pathway enzymes resulting in formation of neuroactive metabolites, which are being associated with several psychiatric disorders. The kynurenine pathway may also be influenced by certain bacteria species directly. The aim of this review is to highlight the current knowledge on the interaction of gut microbiota and the central nervous system with the kynurenine pathway taken into special account. Up to date study results on specific psychiatric disorders such as schizophrenia, bipolar disorder, Alzheimer's disease, autism spectrum disorders, depression and alcoholism are presented. Available evidence suggests that toxicity of kynurenine metabolites may be reduced by adjunction of probiotics which can affect proinflammatory cytokines. Due to their potential for modulation of the kynurenine pathway, gut microbiota pose an interesting target for future therapies.
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Affiliation(s)
- Magdalena Więdłocha
- Department of Psychiatry, Faculty of Health Sciences, Medical University of Warsaw, Poland.
| | - Piotr Marcinowicz
- Department of Psychiatry, Faculty of Health Sciences, Medical University of Warsaw, Poland
| | | | - Agata Szulc
- Department of Psychiatry, Faculty of Health Sciences, Medical University of Warsaw, Poland
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17
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Da’dara AA, Elzoheiry M, El-Beshbishi SN, Skelly PJ. Vitamin B6 Acquisition and Metabolism in Schistosoma mansoni. Front Immunol 2021; 11:622162. [PMID: 33613557 PMCID: PMC7891054 DOI: 10.3389/fimmu.2020.622162] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 12/17/2020] [Indexed: 11/13/2022] Open
Abstract
Schistosomes are parasitic platyhelminths that currently infect >200 million people globally. The adult worms can live within the vasculature of their hosts for many years where they acquire all nutrients necessary for their survival and growth. In this work we focus on how Schistosoma mansoni parasites acquire and metabolize vitamin B6, whose active form is pyridoxal phosphate (PLP). We show here that live intravascular stage parasites (schistosomula and adult males and females) can cleave exogenous PLP to liberate pyridoxal. Of the three characterized nucleotide-metabolizing ectoenzymes expressed at the schistosome surface (SmAP, SmNPP5, and SmATPDase1), only SmAP hydrolyzes PLP. Heat-inactivated recombinant SmAP can no longer cleave PLP. Further, parasites whose SmAP gene has been suppressed by RNAi are significantly impaired in their ability to cleave PLP compared to controls. When schistosomes are incubated in murine plasma, they alter its metabolomic profile-the levels of both pyridoxal and phosphate increase over time, a finding consistent with the action of host-exposed SmAP acting on PLP. We hypothesize that SmAP-mediated dephosphorylation of PLP generates a pool of pyridoxal around the worms that can be conveniently taken in by the parasites to participate in essential, vitamin B6-driven metabolism. In addition, since host PLP-dependent enzymes play active roles in inflammatory processes, parasite-mediated cleavage of this metabolite may serve to limit parasite-damaging inflammation. In this work we also identified schistosome homologs of enzymes that are involved in intracellular vitamin B6 metabolism. These are pyridoxal kinase (SmPK) as well as pyridoxal phosphate phosphatase (SmPLP-Ph) and pyridox(am)ine 5'-phosphate oxidase (SmPNPO) and cDNAs encoding these three enzymes were cloned and sequenced. The three genes encoding these enzymes all display high relative expression in schistosomula and adult worms suggestive of robust vitamin B6 metabolism in the intravascular life stages.
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Affiliation(s)
- Akram A. Da’dara
- Molecular Helminthology Laboratory, Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, United States
| | - Manal Elzoheiry
- Molecular Helminthology Laboratory, Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, United States
- Department of Medical Parasitology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Samar N. El-Beshbishi
- Department of Medical Parasitology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Patrick J. Skelly
- Molecular Helminthology Laboratory, Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, United States
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18
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Kim H, Enrione EB, Narayanan V, Li T, Campa A. Gender Differences in the Associations of Plasma Pyridoxal 5'-Phosphate with Plasma Polyunsaturated Fatty Acids among US Young and Middle-Aged Adults: NHANES 2003-2004. Nutrients 2021; 13:477. [PMID: 33572554 PMCID: PMC7912414 DOI: 10.3390/nu13020477] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/24/2021] [Accepted: 01/25/2021] [Indexed: 12/15/2022] Open
Abstract
Vitamin B6-restricted diets and low plasma pyridoxal 5'-phosphate (PLP) status altered plasma polyunsaturated fatty acids (PUFA) compositions. Evidence suggests the role of gender in the metabolism of vitamin B6 and PUFA. However, no epidemiologic study examined the impact of gender on the relationship between vitamin B6 and PUFA status in adults. Thus, we investigated whether there were gender differences in the association of vitamin B6 intake and plasma PLP concentration with plasma PUFA concentrations and ratios (eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), arachidonic acid (AA), EPA + DHA, EPA/AA, (EPA + DHA)/AA) in US young/middle-aged adults. In total, 864 participants (20-59 years; 484 men, 380 women) from the National Health and Nutrition Examination Survey (NHANES) 2003-2004 were used for this cross-sectional study. Nutrient intakes were estimated from two 24 h recalls and supplement questionnaires; plasma PLP and PUFA were measured. Multivariate linear regression was utilized to obtain unstandardized (b) and standardized (β) coefficients. Covariates included demographic, socioeconomic, dietary variables, physical activity level, cigarette smoking status, alcohol consumption, prescription medication use, and BMI. There were significant interactions between gender and PLP on EPA (P-interaction = 0.004), DHA (P-interaction = 0.020), EPA + DHA (P-interaction = 0.010), EPA/AA (P-interaction = 0.002), (EPA + DHA)/AA (P-interaction = 0.004), whereas no interaction between gender and B6 intake existed. In gender-stratified analyses, in men, PLP was positively associated with EPA (β = 0.138, b = 0.104, p = 0.0004), DHA (β = 0.101, b = 0.058, p = 0.036), EPA + DHA (β = 0.125, b = 0.073, p = 0.005), EPA/AA (β = 0.144, b = 0.099, p = 0.0002), (EPA + DHA)/AA (β = 0.123, b = 0.068, p = 0.005). However, no associations between PLP and PUFA existed in women. In conclusion, gender differences were found in the relationships between plasma PLP and plasma EPA, DHA, EPA + DHA, EPA/AA, and (EPA + DHA)/AA, with significant direct associations in men only among US young/middle-aged adults.
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Affiliation(s)
- Hyojung Kim
- Department of Dietetics and Nutrition, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, FL 33199, USA; (H.K.); (E.B.E.); (V.N.)
| | - Evelyn B. Enrione
- Department of Dietetics and Nutrition, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, FL 33199, USA; (H.K.); (E.B.E.); (V.N.)
| | - Vijaya Narayanan
- Department of Dietetics and Nutrition, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, FL 33199, USA; (H.K.); (E.B.E.); (V.N.)
| | - Tan Li
- Department of Biostatistics, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, FL 33199, USA;
| | - Adriana Campa
- Department of Dietetics and Nutrition, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, FL 33199, USA; (H.K.); (E.B.E.); (V.N.)
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19
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Um HJ, Ko JW, Won SB, Kwon YH. Effects of Dietary Vitamin B6 Restriction on Hepatic Gene Expression Profile of Non-Obese and Obese Mice. Nutrients 2020; 12:nu12123821. [PMID: 33327560 PMCID: PMC7765059 DOI: 10.3390/nu12123821] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/09/2020] [Accepted: 12/11/2020] [Indexed: 02/06/2023] Open
Abstract
Although vitamin B6 is contained in various foods, its deficiency is one of the most common micronutrient deficiencies worldwide. Furthermore, patients with obesity and cardiovascular disease are more likely to have suboptimal vitamin B6 status than healthy people. Therefore, we investigated the effects of dietary vitamin B6 restriction on hepatic gene expression and function in obese mice. C57BL/6J male mice were fed a low-fat (LF) or high-fat (HF) diet in combination with sufficient (7 mg pyridoxine/kg diet) or insufficient (1 mg) amounts of vitamin B6 for 16 weeks. Analysis of microarray data revealed that expressions of 4000 genes were significantly altered by the experimental diets (LF7, LF1, HF7, and HF1). The effects of dietary fat content on gene expressions were markedly greater than vitamin B6 content. Only three differentially expressed genes (DEGs) were overlapped between the LF1/LF7 and HF1/HF7 comparison. In the LF1/LF7 comparison, 54 upregulated DEGs were enriched in gene ontology (GO) terms associated with the sterol metabolic process and 54 downregulated DEGs were enriched in GO terms associated with immune response. In HF1/HF7 comparison, 26 upregulated DEGs were enriched in GO terms associated with amino acid catabolic process. High-fat consumption downregulated gene expressions associated with vitamin B6-dependent pathways. In conclusion, our data suggest that obesity may differentially regulate vitamin B6-associated metabolic pathways in the body.
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Affiliation(s)
- Hyun-Jee Um
- Department of Food and Nutrition, Seoul National University, Seoul 08826, Korea; (H.-J.U.); (J.W.K.)
| | - Je Won Ko
- Department of Food and Nutrition, Seoul National University, Seoul 08826, Korea; (H.-J.U.); (J.W.K.)
- Research Institute of Human Ecology, Seoul National University, Seoul 08826, Korea
| | - Sae Bom Won
- Department of Human Nutrition and Food Science, Chungwoon University, Hongseong, Chungnam 32244, Korea;
| | - Young Hye Kwon
- Department of Food and Nutrition, Seoul National University, Seoul 08826, Korea; (H.-J.U.); (J.W.K.)
- Research Institute of Human Ecology, Seoul National University, Seoul 08826, Korea
- Correspondence: ; Tel.: +82-2-880-6833
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20
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Neree AT, Soret R, Marcocci L, Pietrangeli P, Pilon N, Mateescu MA. Vegetal diamine oxidase alleviates histamine-induced contraction of colonic muscles. Sci Rep 2020; 10:21563. [PMID: 33299054 PMCID: PMC7726047 DOI: 10.1038/s41598-020-78134-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 11/20/2020] [Indexed: 02/08/2023] Open
Abstract
Excess of histamine in gut lumen generates a pronounced gastrointestinal discomfort, which may include diarrhea and peristalsis dysfunctions. Deleterious effects of histamine can be alleviated with antihistamine drugs targeting histamine receptors. However, many antihistamine agents come with various undesirable side effects. Vegetal diamine oxidase (vDAO) might be a relevant alternative owing to its histaminase activity. Mammalian intestinal mucosa contains an endogenous DAO, yet possessing lower activity compared to that of vDAO preparation. Moreover, in several pathological conditions such as inflammatory bowel disease and irritable bowel syndrome, this endogenous DAO enzyme can be lost or inactivated. Here, we tested the therapeutic potential of vDAO by focusing on the well-known effect of histamine on gut motility. Using ex vivo and in vitro assays, we found that vDAO is more potent than commercial anti-histamine drugs at inhibiting histamine-induced contraction of murine distal colon muscles. We also identified pyridoxal 5′-phosphate (the biologically active form of vitamin B6) as an effective enhancer of vDAO antispasmodic activity. Furthermore, we discovered that rectally administered vDAO can be retained on gut mucosa and remain active. These observations make administration of vDAO in the gut lumen a valid alternative treatment for histamine-induced intestinal dysfunctions.
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Affiliation(s)
- Armelle Tchoumi Neree
- Department of Chemistry, Research Chair on Enteric Dysfunctions "Allerdys", University of Quebec at Montreal, Montreal, QC, H3C 3P8, Canada.,Centre d'Excellence en Recherche sur les Maladies Orphelines - Fondation Courtois (CERMO-FC), University of Quebec at Montreal, Montreal, QC, H2X 3Y7, Canada
| | - Rodolphe Soret
- Department of Biological Sciences, Research Chair on Rare Genetic Diseases, University of Quebec at Montreal, Montreal, QC, H2X 3Y7, Canada.,Centre d'Excellence en Recherche sur les Maladies Orphelines - Fondation Courtois (CERMO-FC), University of Quebec at Montreal, Montreal, QC, H2X 3Y7, Canada
| | - Lucia Marcocci
- Department of Biochemical Sciences "A. Rossi Fanelli", Sapienza University of Rome, 00185, Rome, Italy
| | - Paola Pietrangeli
- Department of Biochemical Sciences "A. Rossi Fanelli", Sapienza University of Rome, 00185, Rome, Italy
| | - Nicolas Pilon
- Department of Biological Sciences, Research Chair on Rare Genetic Diseases, University of Quebec at Montreal, Montreal, QC, H2X 3Y7, Canada. .,Centre d'Excellence en Recherche sur les Maladies Orphelines - Fondation Courtois (CERMO-FC), University of Quebec at Montreal, Montreal, QC, H2X 3Y7, Canada. .,Department of Pediatrics, University of Montreal, Montreal, QC, H3T 1C5, Canada.
| | - Mircea Alexandru Mateescu
- Department of Chemistry, Research Chair on Enteric Dysfunctions "Allerdys", University of Quebec at Montreal, Montreal, QC, H3C 3P8, Canada. .,Centre d'Excellence en Recherche sur les Maladies Orphelines - Fondation Courtois (CERMO-FC), University of Quebec at Montreal, Montreal, QC, H2X 3Y7, Canada.
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21
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Im JH, Je YS, Baek J, Chung MH, Kwon HY, Lee JS. Nutritional status of patients with COVID-19. Int J Infect Dis 2020; 100:390-393. [PMID: 32795605 PMCID: PMC7418699 DOI: 10.1016/j.ijid.2020.08.018] [Citation(s) in RCA: 162] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 08/03/2020] [Accepted: 08/07/2020] [Indexed: 12/12/2022] Open
Abstract
The relationship between immunity and nutrition is well known and its role in coronavirus disease 2019 (COVID-19) is also being paid great attention. However, the nutritional status of COVID-19 patients is unknown. Vitamin B1, B6, B12, vitamin D (25-hydroxyvitamin D), folate, selenium, and zinc levels were measured in 50 hospitalized patients with COVID-19. Overall, 76% of the patients were vitamin D deficient and 42% were selenium deficient. No significant increase in the incidence of deficiency was found for vitamins B1, B6, and B12, folate, and zinc in patients with COVID-19. The COVID-19 group showed significantly lower vitamin D values than the healthy control group (150 people, matched by age/sex). Severe vitamin D deficiency (based on a cut-off of ≤10 ng/dl) was found in 24.0% of the patients in the COVID-19 group and 7.3% in the control group. Among 12 patients with respiratory distress, 11 (91.7%) were deficient in at least one nutrient. However, patients without respiratory distress showed a deficiency in 30/38 cases (78.9%; p = 0.425). These results suggest that a deficiency of vitamin D or selenium may decrease the immune defenses against COVID-19 and cause progression to severe disease. However, more precise and large-scale studies are needed.
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Affiliation(s)
- Jae Hyoung Im
- Division of Infectious Diseases, Department of Internal Medicine, Inha University College of Medicine, Incheon, Republic of Korea
| | - Young Soo Je
- Department of Laboratory Medicine, Seoul Clinical Laboratories (SCL), Yongin, South Korea
| | - Jihyeon Baek
- Division of Infectious Diseases, Department of Internal Medicine, Inha University College of Medicine, Incheon, Republic of Korea
| | - Moon-Hyun Chung
- The Korean Society of Infectious Diseases, Republic of Korea
| | - Hea Yoon Kwon
- Division of Infectious Diseases, Department of Internal Medicine, Inha University College of Medicine, Incheon, Republic of Korea.
| | - Jin-Soo Lee
- Division of Infectious Diseases, Department of Internal Medicine, Inha University College of Medicine, Incheon, Republic of Korea.
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22
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Skonieczna-Żydecka K, Jakubczyk K, Maciejewska-Markiewicz D, Janda K, Kaźmierczak-Siedlecka K, Kaczmarczyk M, Łoniewski I, Marlicz W. Gut Biofactory-Neurocompetent Metabolites within the Gastrointestinal Tract. A Scoping Review. Nutrients 2020; 12:E3369. [PMID: 33139656 PMCID: PMC7693392 DOI: 10.3390/nu12113369] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/27/2020] [Accepted: 10/29/2020] [Indexed: 12/12/2022] Open
Abstract
The gut microbiota have gained much scientific attention recently. Apart from unravelling the taxonomic data, we should understand how the altered microbiota structure corresponds to functions of this complex ecosystem. The metabolites of intestinal microorganisms, especially bacteria, exert pleiotropic effects on the human organism and contribute to the host systemic balance. These molecules play key roles in regulating immune and metabolic processes. A subset of them affect the gut brain axis signaling and balance the mental wellbeing. Neurotransmitters, short chain fatty acids, tryptophan catabolites, bile acids and phosphatidylcholine, choline, serotonin, and L-carnitine metabolites possess high neuroactive potential. A scoping literature search in PubMed/Embase was conducted up until 20 June 2020, using three major search terms "microbiota metabolites" AND "gut brain axis" AND "mental health". This review aimed to enhance our knowledge regarding the gut microbiota functional capacity, and support current and future attempts to create new compounds for future clinical interventions.
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Affiliation(s)
- Karolina Skonieczna-Żydecka
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland; (K.S.-Ż.); (K.J.); (D.M.-M.); (K.J.)
| | - Karolina Jakubczyk
- Department of Surgical Oncology, Medical University of Gdansk, Smoluchowskiego 17, 80-214 Gdańsk, Poland;
| | - Dominika Maciejewska-Markiewicz
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland; (K.S.-Ż.); (K.J.); (D.M.-M.); (K.J.)
| | - Katarzyna Janda
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland; (K.S.-Ż.); (K.J.); (D.M.-M.); (K.J.)
| | | | - Mariusz Kaczmarczyk
- Department of Clinical and Molecular Biochemistry, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland;
| | - Igor Łoniewski
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland; (K.S.-Ż.); (K.J.); (D.M.-M.); (K.J.)
| | - Wojciech Marlicz
- Department of Gastroenterology, Pomeranian Medical University, 71-252 Szczecin, Poland
- The Centre for Digestive Diseases Endoklinika, 70-535 Szczecin, Poland
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23
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Zhou J, Effiong U. Isolated Pyridoxine Deficiency Presenting as Muscle Spasms in a Patient With Type 2 Diabetes: A Case Report and Literature Review. Am J Med Sci 2020; 361:791-794. [PMID: 33958192 DOI: 10.1016/j.amjms.2020.10.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 10/12/2020] [Accepted: 10/27/2020] [Indexed: 11/17/2022]
Abstract
Pyridoxine is an important co-factor for many biochemical reactions in cellular metabolism related to the synthesis and catabolism of amino acids, fatty acids, neurotransmitters. Deficiency of pyridoxine results in impaired transcellular signaling between neurons and presents with muscular convulsions, hyperirritability, and peripheral neuropathy. Deficiency of pyridoxine is usually found in association with other vitamin B deficiencies such as folate (vitamin B9) and cobalamin (vitamin B12). Isolated pyridoxine deficiency is extremely rare. We present the case of a 59-year old female with type 2 diabetes who complained of painful muscle spasms. Her muscle spasms involved in both feet, which have spread proximally to her legs. She also experienced intermittent muscle spasms in her left arm, which is not alleviated by baclofen, cyclobenzaprine. Her plasma pyridoxal 5-phosphate confirmed pyridoxine deficiency. Vitamins B1, B3, B12, and folate were within normal limits. The patient received standard-dose intramuscular pyridoxine injections for three weeks followed by oral supplements for 3 months and her symptoms resolved. This case illustrates the rare instance of isolated pyridoxine deficiency in type 2 diabetes patient manifesting as myoclonic muscle spasms involving the legs and arms in the absence of objective polyneuropathy. Pyridoxine level should, therefore, be assessed in patients with type 2 diabetes, including newly diagnosed patients.
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Affiliation(s)
- Joseph Zhou
- College of Medicine, Central Michigan University, Mount Pleasant, MI, USA.
| | - Utibe Effiong
- College of Medicine, Central Michigan University, Mount Pleasant, MI, USA; MidMichigan Health, Midland, MI, USA
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24
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Rudzki L, Maes M. The Microbiota-Gut-Immune-Glia (MGIG) Axis in Major Depression. Mol Neurobiol 2020; 57:4269-4295. [DOI: 10.1007/s12035-020-01961-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 05/28/2020] [Indexed: 02/08/2023]
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25
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Jungert A, Linseisen J, Wagner KH, Richter M. Revised D-A-CH Reference Values for the Intake of Vitamin B6. ANNALS OF NUTRITION AND METABOLISM 2020; 76:213-222. [PMID: 32690847 DOI: 10.1159/000508618] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 05/11/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND The Nutrition Societies of Germany, Austria, and Switzerland as the joint editors of the "D-A-CH reference values for nutrient intake" have revised the reference values for vitamin B6 in summer 2019. SUMMARY For women, the average requirement (AR) for vitamin B6 intake was derived on the basis of balance studies using a pyridoxal-5'-phosphate (PLP) plasma concentration of ≥30 nmol/L as a biomarker of an adequate vitamin B6 status. The recommended intake (RI) was derived considering a coefficient of variation of 10%. The RIs of vitamin B6 for men, children, and adolescents were extrapolated from the vitamin B6 requirement for women considering differences in body weight, an allometric exponent, growth factors as appropriate, and a coefficient of variation. For infants aged 0 to under 4 months, an estimated value was set based on the vitamin B6 intake via breast feeding. The reference value for infants aged 4 to under 12 months was extrapolated from the estimated value for infants under 4 months of age and the average vitamin B6 requirement for adults. The reference values for pregnant and lactating women consider the requirements for the foetus and the loss via breast milk. Key Messages: According to the combined analysis of 5 balance studies, the AR for vitamin B6 to ensure a plasma PLP concentration of ≥30 nmol/L is 1.2 mg/day for adult females and the extrapolated AR for adult males is 1.3 mg/day. The corresponding RIs of vitamin B6 are 1.4 mg/day for adult females and 1.6 mg/day for adult males, independent of age. For infants, the estimated value is 0.1 mg/day and 0.3 mg/day, depending on age. The AR of vitamin B6 for children and adolescents ranges between 0.5 and 1.5 mg/day, and the RI is between 0.6 mg/day and 1.6 mg/day. During pregnancy, the AR is 1.3 mg/day in the first trimester and 1.5 mg/day in the second and third trimesters; the RI is 1.5 mg/day in the first trimester and 1.8 mg/day in the second and third trimesters. For lactating women, the AR is 1.3 mg/day and the RI is 1.6 mg/day.
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Affiliation(s)
- Alexandra Jungert
- Interdisciplinary Research Center for Biosystems, Land Use and Nutrition (IFZ), Biometry and Population Genetics, Justus Liebig University, Giessen, Germany
| | - Jakob Linseisen
- Chair of Epidemiology, Ludwig-Maximilians University of Munich, Augsburg, Germany.,Clinical Epidemiology, Helmholtz Zentrum München (HMGU), Neuherberg, Germany
| | - Karl-Heinz Wagner
- Department of Nutritional Sciences, University of Vienna, Vienna, Austria
| | - Margrit Richter
- Department of Science, German Nutrition Society (DGE), Bonn, Germany,
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26
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Martínez-Navarro FJ, Martínez-Morcillo FJ, López-Muñoz A, Pardo-Sánchez I, Martínez-Menchón T, Corbalán-Vélez R, Cayuela ML, Pérez-Oliva AB, García-Moreno D, Mulero V. The vitamin B6-regulated enzymes PYGL and G6PD fuel NADPH oxidases to promote skin inflammation. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2020; 108:103666. [PMID: 32126244 DOI: 10.1016/j.dci.2020.103666] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 02/26/2020] [Accepted: 02/26/2020] [Indexed: 06/10/2023]
Abstract
Psoriasis is a skin inflammatory disorder that affects 3% of the human population. Although several therapies based on the neutralization of proinflammatory cytokines have been used with relative success, additional treatments are required. The in silico analysis of gene expression data of psoriasis lesional skin and an analysis of vitamin B6 metabolites in the sera of psoriasis patients point to altered vitamin B6 metabolism at both local and systemic levels. Functional studies showed that vitamin B6 vitamers reduced skin neutrophil infiltration, oxidative stress and Nfkb activity in two zebrafish models of skin inflammation. Strikingly, inhibition of glycogen phosphorylase L (Pygl) and glucose-6-phosphate dehydrogenase (G6pd), two vitamin B6-regulated enzymes, alleviated oxidative-stress induced inflammation in zebrafish skin inflammation models. Despite the central role of G6pd in antioxidant defenses, the results of the study demonstrate that glycogen stores and G6pd fuel NADPH oxidase to promote skin inflammation, revealing novel targets for the treatment of skin inflammatory disorders.
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Affiliation(s)
- Francisco J Martínez-Navarro
- Departmento de Biología Celular e Histología, Facultad de Biología, Universidad de Murcia, Spain; Instituto Murciano de Investigación Biosanitaria (IMIB)-Arrixaca, Murcia, Spain
| | - Francisco J Martínez-Morcillo
- Departmento de Biología Celular e Histología, Facultad de Biología, Universidad de Murcia, Spain; Instituto Murciano de Investigación Biosanitaria (IMIB)-Arrixaca, Murcia, Spain
| | - Azucena López-Muñoz
- Departmento de Biología Celular e Histología, Facultad de Biología, Universidad de Murcia, Spain; Instituto Murciano de Investigación Biosanitaria (IMIB)-Arrixaca, Murcia, Spain
| | - Irene Pardo-Sánchez
- Departmento de Biología Celular e Histología, Facultad de Biología, Universidad de Murcia, Spain; Instituto Murciano de Investigación Biosanitaria (IMIB)-Arrixaca, Murcia, Spain
| | - Teresa Martínez-Menchón
- Instituto Murciano de Investigación Biosanitaria (IMIB)-Arrixaca, Murcia, Spain; Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
| | - Raúl Corbalán-Vélez
- Instituto Murciano de Investigación Biosanitaria (IMIB)-Arrixaca, Murcia, Spain; Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
| | - María L Cayuela
- Instituto Murciano de Investigación Biosanitaria (IMIB)-Arrixaca, Murcia, Spain; Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
| | - Ana B Pérez-Oliva
- Departmento de Biología Celular e Histología, Facultad de Biología, Universidad de Murcia, Spain; Instituto Murciano de Investigación Biosanitaria (IMIB)-Arrixaca, Murcia, Spain.
| | - Diana García-Moreno
- Departmento de Biología Celular e Histología, Facultad de Biología, Universidad de Murcia, Spain; Instituto Murciano de Investigación Biosanitaria (IMIB)-Arrixaca, Murcia, Spain.
| | - Victoriano Mulero
- Departmento de Biología Celular e Histología, Facultad de Biología, Universidad de Murcia, Spain; Instituto Murciano de Investigación Biosanitaria (IMIB)-Arrixaca, Murcia, Spain.
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27
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Kiblawi R, Holowatyj AN, Gigic B, Brezina S, Geijsen AJMR, Ose J, Lin T, Hardikar S, Himbert C, Warby CA, Böhm J, Bours MJL, van Duijnhoven FJB, Gumpenberger T, Kok DE, Koole JL, van Roekel EH, Schrotz-King P, Ulvik A, Gsur A, Habermann N, Weijenberg MP, Ueland PM, Schneider M, Ulrich A, Ulrich CM, Playdon M. One-carbon metabolites, B vitamins and associations with systemic inflammation and angiogenesis biomarkers among colorectal cancer patients: results from the ColoCare Study. Br J Nutr 2020; 123:1187-1200. [PMID: 32019627 PMCID: PMC7425811 DOI: 10.1017/s0007114520000422] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
B vitamins involved in one-carbon metabolism have been implicated in the development of inflammation- and angiogenesis-related chronic diseases, such as colorectal cancer (CRC). Yet, the role of one-carbon metabolism in inflammation and angiogenesis among CRC patients remains unclear. The objective of this study was to investigate associations of components of one-carbon metabolism with inflammation and angiogenesis biomarkers among newly diagnosed CRC patients (n 238) in the prospective ColoCare Study, Heidelberg. We cross-sectionally analysed associations between twelve B vitamins and one-carbon metabolites and ten inflammation and angiogenesis biomarkers from pre-surgery serum samples using multivariable linear regression models. We further explored associations among novel biomarkers in these pathways with Spearman partial correlation analyses. We hypothesised that pyridoxal-5'-phosphate (PLP) is inversely associated with inflammatory biomarkers. We observed that PLP was inversely associated with C-reactive protein (CRP) (r -0·33, Plinear < 0·0001), serum amyloid A (SAA) (r -0·23, Plinear = 0·003), IL-6 (r -0·39, Plinear < 0·0001), IL-8 (r -0·20, Plinear = 0·02) and TNFα (r -0·12, Plinear = 0·045). Similar findings were observed for 5-methyl-tetrahydrofolate and CRP (r -0·14), SAA (r -0·14) and TNFα (r -0·15) among CRC patients. Folate catabolite acetyl-para-aminobenzoylglutamic acid (pABG) was positively correlated with IL-6 (r 0·27, Plinear < 0·0001), and pABG was positively correlated with IL-8 (r 0·21, Plinear < 0·0001), indicating higher folate utilisation during inflammation. Our data support the hypothesis of inverse associations between PLP and inflammatory biomarkers among CRC patients. A better understanding of the role and inter-relation of PLP and other one-carbon metabolites with inflammatory processes among colorectal carcinogenesis and prognosis could identify targets for future dietary guidance for CRC patients.
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Affiliation(s)
- Rama Kiblawi
- Division of Cancer Control and Population Sciences, Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
- Medical Faculty, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | - Andreana N. Holowatyj
- Division of Cancer Control and Population Sciences, Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Biljana Gigic
- Department of General, Visceral and Transplantation Surgery, University Hospital of Heidelberg, Germany
| | - Stefanie Brezina
- Department of Medicine I, Institute of Cancer Research, Medical University of Vienna, Austria
| | - Anne J. M. R. Geijsen
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, The Netherlands
| | - Jennifer Ose
- Division of Cancer Control and Population Sciences, Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
| | - Tengda Lin
- Division of Cancer Control and Population Sciences, Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
| | - Sheetal Hardikar
- Division of Cancer Control and Population Sciences, Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
| | - Caroline Himbert
- Division of Cancer Control and Population Sciences, Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
| | - Christy A. Warby
- Division of Cancer Control and Population Sciences, Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
| | - Jürgen Böhm
- Division of Cancer Control and Population Sciences, Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
| | - Martijn J. L. Bours
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, The Netherlands
| | | | - Tanja Gumpenberger
- Department of Medicine I, Institute of Cancer Research, Medical University of Vienna, Austria
| | - Dieuwertje E. Kok
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, The Netherlands
| | - Janna L. Koole
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, The Netherlands
| | - Eline H. van Roekel
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, The Netherlands
| | - Petra Schrotz-King
- Division of Preventive Oncology, German Cancer Research Center and National Center for Tumor Diseases and German Cancer Research Center, Heidelberg, Germany
| | | | - Andrea Gsur
- Department of Medicine I, Institute of Cancer Research, Medical University of Vienna, Austria
| | - Nina Habermann
- Department of Genome Biology, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Matty P. Weijenberg
- Department of Epidemiology, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, The Netherlands
| | - Per Magne Ueland
- Bevital A/S, Bergen, Norway
- Department of Clinical Science, Pharmacology, University of Bergen, Bergen, Hordaland, Norway
| | - Martin Schneider
- Department of General, Visceral and Transplantation Surgery, University Hospital of Heidelberg, Germany
| | - Alexis Ulrich
- Department of General, Visceral and Transplantation Surgery, University Hospital of Heidelberg, Germany
| | - Cornelia M. Ulrich
- Division of Cancer Control and Population Sciences, Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
| | - Mary Playdon
- Division of Cancer Control and Population Sciences, Huntsman Cancer Institute, Salt Lake City, UT, USA
- Department of Population Health Sciences, University of Utah, Salt Lake City, UT, USA
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, USA
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28
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Vitamin B6 and Diabetes: Relationship and Molecular Mechanisms. Int J Mol Sci 2020; 21:ijms21103669. [PMID: 32456137 PMCID: PMC7279184 DOI: 10.3390/ijms21103669] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 05/21/2020] [Accepted: 05/21/2020] [Indexed: 12/14/2022] Open
Abstract
Vitamin B6 is a cofactor for approximately 150 reactions that regulate the metabolism of glucose, lipids, amino acids, DNA, and neurotransmitters. In addition, it plays the role of antioxidant by counteracting the formation of reactive oxygen species (ROS) and advanced glycation end-products (AGEs). Epidemiological and experimental studies indicated an evident inverse association between vitamin B6 levels and diabetes, as well as a clear protective effect of vitamin B6 on diabetic complications. Interestingly, by exploring the mechanisms that govern the relationship between this vitamin and diabetes, vitamin B6 can be considered both a cause and effect of diabetes. This review aims to report the main evidence concerning the role of vitamin B6 in diabetes and to examine the underlying molecular and cellular mechanisms. In addition, the relationship between vitamin B6, genome integrity, and diabetes is examined. The protective role of this vitamin against diabetes and cancer is discussed.
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29
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Ryan KM, Allers KA, Harkin A, McLoughlin DM. Blood plasma B vitamins in depression and the therapeutic response to electroconvulsive therapy. Brain Behav Immun Health 2020; 4:100063. [PMID: 34589848 PMCID: PMC8474603 DOI: 10.1016/j.bbih.2020.100063] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 03/22/2020] [Accepted: 03/22/2020] [Indexed: 02/07/2023] Open
Abstract
A growing body of research has indicated a role for B vitamins in depression, with some previous studies suggesting that B vitamin status in patients with depression can impact on antidepressant response. Here we aimed to investigate B vitamin plasma concentrations in medicated patients with depression (n = 94) compared to age- and sex-matched healthy controls (n = 57), and in patients with depression after electroconvulsive therapy (ECT) in a real-world clinical setting. Our results show that nicotinamide (vitamin B3), N1-methylnicotinamide (vitamin B3 metabolite), and pyridoxal 5'-phosphate (PLP; vitamin B6) concentrations were significantly reduced in patients with depression compared to controls. The Cohen's d effect sizes for nicotinamide, N1-methylnicotinamide, and PLP were moderate-large (-0.47, -0.51, and -0.59, respectively), and likely to be of clinical relevance. Functional biomarkers of vitamin B6 status (PAr index, 3-hydroxykynurenine: hydroxyanthranilic acid ratio, 3-hydroxykynurenine: xanthurenic acid ratio, and HKr) were elevated in depressed patients compared to controls, suggestive of reduced vitamin B6 function. Over 30% of the patient cohort were found to have low to deficient PLP concentrations, and exploratory analyses revealed that these patients had higher IL-6 and CRP concentrations compared to patients with PLP levels within the normal range. Treatment with ECT did not alter B vitamin concentrations, and B vitamin concentrations were not associated with depression severity or the therapeutic response to ECT. Overall, reduced plasma PLP, nicotinamide, and N1-methylnicotinamide concentrations could have wide ranging effects on pathways and systems implicated in depression. Further studies are required to understand the reasons why patients with depression present with low plasma B vitamin concentrations.
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Affiliation(s)
- Karen M Ryan
- Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin 2, Ireland.,Department of Psychiatry, Trinity College Dublin, St. Patrick's University Hospital, James Street, Dublin 8, Ireland
| | - Kelly A Allers
- Central Nervous System Disease Research, Boehringer Ingelheim Pharma GmbH + Co. KG, Birkendorferstrabe 65, Biberach a.d. Riss, Germany
| | - Andrew Harkin
- Neuropsychopharmacology Research Group, School of Pharmacy and Pharmaceutical Sciences & Trinity College Institute of Neuroscience, Trinity College, Dublin 2, Ireland
| | - Declan M McLoughlin
- Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin 2, Ireland.,Department of Psychiatry, Trinity College Dublin, St. Patrick's University Hospital, James Street, Dublin 8, Ireland
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Ishay Y, Nachman D, Khoury T, Ilan Y. The role of the sphingolipid pathway in liver fibrosis: an emerging new potential target for novel therapies. Am J Physiol Cell Physiol 2020; 318:C1055-C1064. [PMID: 32130072 DOI: 10.1152/ajpcell.00003.2020] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Sphingolipids (SL) are a family of bioactive lipids and a major cellular membrane structural component. SLs include three main compounds: ceramide (Cer), sphingosine (Sp), and sphingosine-1-phosphate (S-1P), all of which have emerging roles in biological functions in cells, especially in the liver. They are under investigation in various liver diseases, including cirrhosis and end-stage liver disease. In this review, we provide an overview on the role of SLs in liver pathobiology and focus on their potential role in the development of hepatic fibrosis. We describe recent evidence and suggest SLs are a promising potential therapeutic target for the treatment of liver disease and fibrosis.
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Affiliation(s)
- Yuval Ishay
- Department of Internal Medicine A, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Dean Nachman
- Department of Internal Medicine A, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Tawfik Khoury
- Gastroenterology and Liver Units, Department of Medicine, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Yaron Ilan
- Gastroenterology and Liver Units, Department of Medicine, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
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Ulvik A, Midttun Ø, McCann A, Meyer K, Tell G, Nygård O, Ueland PM. Tryptophan catabolites as metabolic markers of vitamin B-6 status evaluated in cohorts of healthy adults and cardiovascular patients. Am J Clin Nutr 2020; 111:178-186. [PMID: 31557280 DOI: 10.1093/ajcn/nqz228] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 08/20/2019] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Vitamin B-6 status is routinely measured as pyridoxal 5'-phosphate (PLP) in plasma. Low concentrations of PLP are associated with rheumatic, cardiovascular, and neoplastic diseases. We have previously shown that vitamin B-6 status affects the kynurenine (Kyn) pathway of tryptophan (Trp) catabolism. OBJECTIVE This study aimed to comprehensively evaluate the use of Kyns as potential markers of functional vitamin B-6 status across 2 large cohorts. METHODS We measured circulating concentrations of the first 6 metabolites in the Trp catabolic pathway by LC-MS-MS in the community-based Hordaland Health Study (HUSK; n = 7017) and cardiovascular patient-based Western Norway Coronary Angiography Cohort (WECAC; n = 4161). Cross-sectional and longitudinal associations of plasma PLP with Kyns were estimated using linear and nonlinear regression-based methods. RESULTS 3'-Hydroxykynurenine (HK), a substrate, and all 4 products formed directly by the PLP-dependent enzymes kynurenine transaminase and kynureninase contributed to the explanation of circulating PLP in multivariable-adjusted regression models. The construct HK:(kynurenic acid + xanthurenic acid + 3'-hydroxyanthranilic acid + anthranilic acid), termed HK ratio (HKr), was related to plasma PLP with standardized regression coefficients (95% CIs) of -0.47 (-0.49, -0.45) and -0.46 (-0.49, -0.43) in HUSK and WECAC, respectively. Across strata of cohort and sex, HKr was 1.3- to 2.7-fold more sensitive, but also 1.7- to 2.9-fold more specific to changes in PLP than a previously proposed marker, HK:xanthurenic acid. Notably, the association was strongest at PLP concentrations < ∼20 nmol/L, a recognized threshold for vitamin B-6 deficiency. Finally, PLP and HKr demonstrated highly sex-specific and corroborating associations with age. CONCLUSIONS The results demonstrate that by combining 5 metabolites in the Kyn pathway into a simple index, HKr, a sensitive and specific indicator of intracellular vitamin B-6 status is obtained. The data also underscore the merit of evaluating alterations in Kyn metabolism when investigating vitamin B-6 and health.
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Affiliation(s)
| | | | | | | | - Grethe Tell
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | - Ottar Nygård
- Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
| | - Per M Ueland
- Department of Clinical Science, University of Bergen, Bergen, Norway
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Alam I, Almajwal AM, Alam W, Alam I, Ullah N, Abulmeaaty M, Razak S, Khan S, Pawelec G, Paracha PI. The immune-nutrition interplay in aging – facts and controversies. ACTA ACUST UNITED AC 2019. [DOI: 10.3233/nha-170034] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Iftikhar Alam
- Department of Community Health Sciences, Clinical Nutrition Program, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
- Department of Human Nutrition & Dietetics, Bacha Khan University Charsadda, Charsadda, Khyber Pakhtunkhwa, Pakistan
- Tübingen Ageing and Tumour Immunology Group, Zentrum für Medizinische Forschung, University of Tübingen, Tübingen, Germany
| | - Ali M. Almajwal
- Department of Community Health Sciences, Clinical Nutrition Program, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Wajid Alam
- Oral and Maxillofacial Surgery, Khyber Colleg of Dentistry, KPK, Peshawar, Pakistan
| | - Ibrar Alam
- Department of Biotechnology, Bacha Khan University Charsadda, Charsadda, Khyber Pakhtunkhwa, Pakistan
| | - Niamat Ullah
- Department of Human Nutrition, The Agriculture University Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Mahmoud Abulmeaaty
- Department of Community Health Sciences, Clinical Nutrition Program, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Suhail Razak
- Department of Community Health Sciences, Clinical Nutrition Program, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Saleem Khan
- Department of Human Nutrition, The Agriculture University Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Graham Pawelec
- Tübingen Ageing and Tumour Immunology Group, Zentrum für Medizinische Forschung, University of Tübingen, Tübingen, Germany
- Health Sciences North Research Institute, Sudbury, ON, Canada
- John van Geest Cancer Research Centre, Nottingham Trent University, Nottingham, UK
| | - Parvez Iqbal Paracha
- Department of Human Nutrition, The Agriculture University Peshawar, Khyber Pakhtunkhwa, Pakistan
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Ali A, Abd El Halim HM. Re-thinking adaptive immunity in the beetles: Evolutionary and functional trajectories of lncRNAs. Genomics 2019; 112:1425-1436. [PMID: 31442561 DOI: 10.1016/j.ygeno.2019.08.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 06/04/2019] [Accepted: 08/16/2019] [Indexed: 12/24/2022]
Abstract
Unlike vertebrate animals, invertebrates lack lymphocytes and therefore have historically been believed not to develop immune memory. A few studies have reported evidence of immune priming in insects; however, these studies lack the molecular mechanism and proposed it might be different among taxa. Since lncRNAs are known to regulate the immune response, we identified 10,120 lncRNAs in Tribolium castaneum genome-wide followed by transcriptome analysis of primed and unprimed larvae of different infectious status. A shift in lncRNA expression between Btt primed larvae and other treatment groups provides evidence of immune memory response. A few "priming" lncRNAs (n = 9) were uniquely regulated in Btt primed larvae. Evidence suggests these lncRNAs are likely controlling immune priming in Tribolium by regulating expression of genes involved in proteasomal machinery, Notch system, zinc metabolism, and methyltransferase activity, which are necessary to modulate phagocytosis. Our results support a conserved immune priming mechanism in a macrophage-dependent manner.
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Affiliation(s)
- Ali Ali
- Department of Biology and Molecular Biosciences Program, Middle Tennessee State University, Murfreesboro, TN 37132, United States of America; Department of Zoology, Faculty of Science, Benha University, Benha, Egypt.
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Rudzki L, Ostrowska L, Pawlak D, Małus A, Pawlak K, Waszkiewicz N, Szulc A. Probiotic Lactobacillus Plantarum 299v decreases kynurenine concentration and improves cognitive functions in patients with major depression: A double-blind, randomized, placebo controlled study. Psychoneuroendocrinology 2019; 100:213-222. [PMID: 30388595 DOI: 10.1016/j.psyneuen.2018.10.010] [Citation(s) in RCA: 269] [Impact Index Per Article: 53.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 10/13/2018] [Accepted: 10/14/2018] [Indexed: 12/19/2022]
Abstract
BACKGROUND Interactions between the digestive system and the brain functions have become in recent years an important field of psychiatric research. These multidirectional interactions take place in the so called microbiota-gut-brain axis and emerging scientific data indicate to the significant role of microbiota in the modulation of the central nervous system (CNS) including affective and cognitive functions. OBJECTIVE An assessment of psychobiotic and immunomodulatory effects of probiotic bacteria Lactobacillus Plantarum 299v (LP299v) by measuring affective, cognitive functions and biochemical parameters in patients with MDD undergoing treatment with selective serotonin reuptake inhibitors (SSRI). DESIGN Seventy nine patients with MDD were randomized and allocated to a double-blind, placebo-controlled trial. Participants received either a SSRI with the probiotic LP299v (n = 40) for a period of 8 weeks or a SSRI with the placebo of the probiotic (n = 39) for the same period. The severity of psychiatric symptoms was assessed using Hamilton Depression Rating Scale (HAM-D 17), Symptom Checklist (SCL-90) and Perceived Stress Scale (PSS-10). Cognitive functions were assessed using the Attention and Perceptivity Test (APT), Stroop Test parts A and B, Ruff Figural Fluency Test (RFFT), Trail Making Test (TMT) Parts A and B and the California Verbal Learning Test (CVLT). Biochemical parameters such as tryptophan (TRP), kynurenine (KYN), kynurenic acid (KYNA), 3-hydroxykynurenine (3HKYN), anthranilic acid (AA), 3-hydroxy anthranilic acid (3HAA), tumor necrosis factor-alpha (TNF-α), interleukin 6 (IL-6), interleukin 1-beta (IL-1b) and cortisol plasma concentrations were measured. RESULTS Sixty participants finished the study and were analyzed: 30 participants in the LP299v group and 30 participants in the placebo group. There was an improvement in APT and in CVLT total recall of trials 1-5 in the LP299v group compared with the placebo between baseline and after 8 weeks of intervention. There was a significant decrease in KYN concentration in the LP299v group compared to the placebo group. We also observed significant increase in 3HKYN:KYN ratio in the LP299v group compared with the placebo group. Additionally, Repeated Measures ANOVA revealed a significant effect of interaction of Treatment x time for AA concentration. However, results of post hoc analysis did not reach statistical significance in neither probiotic nor placebo group. There were no significant changes of TNF-α, IL-6 and IL-1b and cortisol concentrations in neither probiotic nor placebo groups. CONCLUSIONS Augmentation of SSRI treatment with probiotic bacteria Lactobacillus Plantarum 299v improved cognitive performance and decreased KYN concentration in MDD patients. Decreased KYN concentration could contribute to the improvement of cognitive functions in the LP299v group compared to the placebo group. To our knowledge results of this study are the first evidence of improvement of cognitive functions in MDD patients due to probiotic bacteria and this is the first evidence of decreased KYN concentration in MDD patients due to probiotic bacteria.
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Affiliation(s)
- Leszek Rudzki
- Department of Psychiatry, Medical University of Bialystok, Poland.
| | - Lucyna Ostrowska
- Department of Dietetics and Clinical Nutrition, Medical University of Bialystok, Poland.
| | - Dariusz Pawlak
- Department of Pharmacodynamics, Medical University of Bialystok, Poland.
| | - Aleksandra Małus
- Department of Psychiatry, Medical University of Bialystok, Poland.
| | - Krystyna Pawlak
- Department of Monitored Pharmacotherapy, Medical University of Bialystok, Poland.
| | | | - Agata Szulc
- Department of Psychiatry, Medical University of Warsaw, Poland.
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Amino Acid Biosignature in Plasma among Ischemic Stroke Subtypes. BIOMED RESEARCH INTERNATIONAL 2019; 2019:8480468. [PMID: 30800679 PMCID: PMC6360633 DOI: 10.1155/2019/8480468] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 11/29/2018] [Accepted: 12/10/2018] [Indexed: 12/28/2022]
Abstract
Ischemic stroke is a neurovascular disorder caused by reduced or blockage of blood flow to the brain, which may permanently affect motor and cognitive abilities. The diagnostic of stroke is performed using imaging technologies, clinical evaluation, and neuropsychological protocols, but no blood test is available yet. In this work, we analyzed amino acid concentrations in blood plasma from poststroke patients in order to identify differences that could characterize the stroke etiology. Plasma concentrations of sixteen amino acids from patients with chronic ischemic stroke (n = 73) and the control group (n = 16) were determined using gas chromatography coupled to mass spectrometry (GC-MS). The concentration data was processed by Partial Least Squares-Discriminant Analysis (PLS-DA) to classify patients with stroke and control. The amino acid analysis generated a first model able to discriminate ischemic stroke patients from control group. Proline was the most important amino acid for classification of the stroke samples in PLS-DA, followed by lysine, phenylalanine, leucine, and glycine, and while higher levels of methionine and alanine were mostly related to the control samples. The second model was able to discriminate the stroke subtypes like atherothrombotic etiology from cardioembolic and lacunar etiologies, with lysine, leucine, and cysteine plasmatic concentrations being the most important metabolites. Our results suggest an amino acid biosignature for patients with chronic stroke in plasma samples, which can be helpful in diagnosis, prognosis, and therapeutics of these patients.
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Loohuis LM, Albersen M, de Jong S, Wu T, Luykx JJ, Jans JJM, Verhoeven-Duif NM, Ophoff RA. The Alkaline Phosphatase (ALPL) Locus Is Associated with B6 Vitamer Levels in CSF and Plasma. Genes (Basel) 2018; 10:genes10010008. [PMID: 30583557 PMCID: PMC6357176 DOI: 10.3390/genes10010008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 12/13/2018] [Accepted: 12/14/2018] [Indexed: 01/27/2023] Open
Abstract
The active form of vitamin B6, pyridoxal phosphate (PLP), is essential for human metabolism. The brain is dependent on vitamin B6 for its neurotransmitter balance. To obtain insight into the genetic determinants of vitamin B6 homeostasis, we conducted a genome-wide association study (GWAS) of the B6 vitamers pyridoxal (PL), PLP and the degradation product of vitamin B6, pyridoxic acid (PA). We collected a unique sample set of cerebrospinal fluid (CSF) and plasma from the same healthy human subjects of Dutch ancestry (n = 493) and included concentrations and ratios in and between these body fluids in our analysis. Based on a multivariate joint analysis of all B6 vitamers and their ratios, we identified a genome-wide significant association at a locus on chromosome 1 containing the ALPL (alkaline phosphatase) gene (minimal p = 7.89 × 10−10, rs1106357, minor allele frequency (MAF) = 0.46), previously associated with vitamin B6 levels in blood. Subjects homozygous for the minor allele showed a 1.4-times-higher ratio between PLP and PL in plasma, and even a 1.6-times-higher ratio between PLP and PL in CSF than subjects homozygous for the major allele. In addition, we observed a suggestive association with the CSF:plasma ratio of PLP on chromosome 15 (minimal p = 7.93 × 10−7, and MAF = 0.06 for rs28789220). Even though this finding is not reaching genome-wide significance, it highlights the potential of our experimental setup for studying transport and metabolism across the blood–CSF barrier. This GWAS of B6 vitamers identifies alkaline phosphatase as a key regulator in human vitamin B6 metabolism in CSF as well as plasma. Furthermore, our results demonstrate the potential of genetic studies of metabolites in plasma and CSF to elucidate biological aspects underlying metabolite generation, transport and degradation.
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Affiliation(s)
- Loes M Loohuis
- Center for Neurobehavioral Genetics, Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles (UCLA), Los Angeles, CA 90095, USA.
| | - Monique Albersen
- Section Metabolic Diagnostics, Department of Genetics, University Medical Center (UMC), 3584 EA, Utrecht, The Netherlands.
| | - Simone de Jong
- Center for Neurobehavioral Genetics, Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles (UCLA), Los Angeles, CA 90095, USA.
| | - Timothy Wu
- Center for Neurobehavioral Genetics, Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles (UCLA), Los Angeles, CA 90095, USA.
| | - Jurjen J Luykx
- Department of Psychiatry, Rudolf Magnus Institute of Neuroscience, University Medical Center (UMC), 3584 CG, Utrecht, The Netherlands.
- Department of Translational Neuroscience, Human Neurogenetics Unit, Brain Center Rudolf Magnus, University Medical Center Utrecht (UMC), 3584 CG, Utrecht, The Netherlands.
| | - Judith J M Jans
- Section Metabolic Diagnostics, Department of Genetics, University Medical Center (UMC), 3584 EA, Utrecht, The Netherlands.
| | - Nanda M Verhoeven-Duif
- Section Metabolic Diagnostics, Department of Genetics, University Medical Center (UMC), 3584 EA, Utrecht, The Netherlands.
| | - Roel A Ophoff
- Center for Neurobehavioral Genetics, Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles (UCLA), Los Angeles, CA 90095, USA.
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Dadvar S, Ferreira DMS, Cervenka I, Ruas JL. The weight of nutrients: kynurenine metabolites in obesity and exercise. J Intern Med 2018; 284:519-533. [PMID: 30141532 DOI: 10.1111/joim.12830] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Obesity ultimately results from an imbalance between energy intake and expenditure. However, in addition to their bioenergetic value, nutrients and their metabolites can function as important signalling molecules in energy homeostasis. Indeed, macronutrients and their metabolites can be direct regulators of metabolism through their actions on different organs. In turn, target organs can decide to use, store or transform the incoming nutrients depending on their physiological context and in coordination with other cell types. Tryptophan-kynurenine metabolites are an example of a family of compounds that can serve as systemic integrators of energy metabolism by signalling to different cell types. These include adipocytes, immune cells and muscle fibres, in addition to the well-known effects of kynurenine metabolites on the central nervous system. In the context of energy metabolism, several of the effects elicited by kynurenic acid are mediated by the G-protein-coupled receptor, GPR35. As GPR35 is expressed in tissues such as the adipose tissue, immune cells and the gastrointestinal tract, this receptor could be a potential therapeutic target for the treatment of obesity, diabetes and other metabolic diseases. In addition, metabolic disorders often coincide with states of chronic inflammation, which further highlights GPR35 as an integration node in conditions where inflammation skews metabolism. Defining the molecular interplay between different tissues in the regulation of energy homeostasis can help us understand interindividual variability in the response to nutrient intake and develop safe and efficient therapies to fight obesity and metabolic disease.
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Affiliation(s)
- S Dadvar
- Department of Physiology and Pharmacology, Molecular & Cellular Exercise Physiology, Karolinska Institutet, Biomedicum, Stockholm, Sweden
| | - D M S Ferreira
- Department of Physiology and Pharmacology, Molecular & Cellular Exercise Physiology, Karolinska Institutet, Biomedicum, Stockholm, Sweden
| | - I Cervenka
- Department of Physiology and Pharmacology, Molecular & Cellular Exercise Physiology, Karolinska Institutet, Biomedicum, Stockholm, Sweden
| | - J L Ruas
- Department of Physiology and Pharmacology, Molecular & Cellular Exercise Physiology, Karolinska Institutet, Biomedicum, Stockholm, Sweden
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Christensen MHE, Fadnes DJ, Røst TH, Pedersen ER, Andersen JR, Våge V, Ulvik A, Midttun Ø, Ueland PM, Nygård OK, Mellgren G. Inflammatory markers, the tryptophan-kynurenine pathway, and vitamin B status after bariatric surgery. PLoS One 2018; 13:e0192169. [PMID: 29401505 PMCID: PMC5798786 DOI: 10.1371/journal.pone.0192169] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Accepted: 01/17/2018] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE Obesity is associated with increased inflammation and insulin resistance. In conditions with chronic immune activation, low plasma vitamin B6-levels are described, as well as an increased kynurenine:tryptophan-ratio (KTR). We investigated circulating tryptophan, kynurenine and its metabolites, neopterin, B-vitamins, CRP, and HbA1c in individuals with obesity before and after bariatric surgery. METHODS This longitudinal study included 37 patients with severe obesity, scheduled for bariatric surgery. Blood samples were taken at inclusion and at three months and one year postoperatively. RESULTS We observed significant positive correlations between HbA1c and both 3-hydroxy-kynurenine and 3-hydroxyanthranilic acid at inclusion. After surgery, fasting glucose, HbA1C and triglycerides decreased, whereas HDL-cholesterol increased. Tryptophan, kynurenine and its metabolites, except for anthranilic acid, decreased during weight loss. The KTR and CRP decreased while vitamin B6 increased during the year following operation, indicating reduced inflammation (all p<0.05). CONCLUSIONS In patients with obesity subjected to bariatric surgery, levels of 3-hydroxykynurenine and 3-hydroxyanthranilic acid seemed to be positively correlated to impaired glucose tolerance. One year following surgery, plasma levels of the kynurenine metabolites were substantially decreased, along with a metabolic improvement. The relation of circulating kynurenine pathway metabolites with biomarkers of metabolic impairment in patients with obesity needs further evaluation.
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Affiliation(s)
- Monika H. E. Christensen
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Medicine, Haukeland University Hospital, Bergen, Norway
| | - Dag J. Fadnes
- Medical Department, Førde Hospital Trust, Førde, Norway
| | - Therese H. Røst
- Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Eva R. Pedersen
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
| | - John R. Andersen
- Sogn og Fjordane University College, Førde, Norway
- Center of Health Research, Førde Hospital Trust, Førde, Norway
| | - Villy Våge
- Center of Health Research, Førde Hospital Trust, Førde, Norway
- Department of Surgery, Voss Hospital, Bergen Health Trust, Voss, Norway
| | | | | | - Per M. Ueland
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Laboratory of Clinical Biochemistry, Haukeland University Hospital, Bergen, Norway
| | - Ottar K. Nygård
- Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
- KG Jebsen Center for Diabetes Research, Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Gunnar Mellgren
- KG Jebsen Center for Diabetes Research, Department of Clinical Science, University of Bergen, Bergen, Norway
- Hormone Laboratory, Haukeland University Hospital, Bergen, Norway
- * E-mail:
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Bird RP. The Emerging Role of Vitamin B6 in Inflammation and Carcinogenesis. ADVANCES IN FOOD AND NUTRITION RESEARCH 2018; 83:151-194. [PMID: 29477221 DOI: 10.1016/bs.afnr.2017.11.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Vitamin B6 serves as a coenzyme catalyzing more than 150 enzymes regulating metabolism and synthesis of proteins, carbohydrates, lipids, heme, and important bioactive metabolites. For several years vitamin B6 and its vitamers (B6) were recognized as antioxidant and antiinflammatory and in modulating immunity and gene expression. During the last 10 years, there were growing reports implicating B6 in inflammation and inflammation-related chronic illnesses including cancer. It is unclear if the deficiency of B6 or additional intake of B6, above the current requirement, should be the focus. Whether the current recommended daily intake for B6 is adequate should be revisited, since B6 is important to human health beyond its role as a coenzyme and its status is affected by many factors including but not limited to age, obesity, and inflammation associated with chronic illnesses. A link between inflammation B6 status and carcinogenesis is not yet completely understood. B6-mediated synthesis of H2S, a gasotransmitter, and taurine in health and disease, especially in maintaining mitochondrial integrity and biogenesis and inflammation, remains an important area to be explored. Recent developments in the molecular role of B6 and its direct interaction with inflammasomes, and nuclear receptor corepressor and coactivator, receptor-interacting protein 140, provide a strong impetus to further explore the multifaceted role of B6 in carcinogenesis and human health.
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Affiliation(s)
- Ranjana P Bird
- School of Health Sciences, University of Northern British Columbia, Prince George, BC, Canada.
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Zuo H, Ueland PM, Midttun Ø, Vollset SE, Tell GS, Theofylaktopoulou D, Travis RC, Boutron-Ruault MC, Fournier A, Severi G, Kvaskoff M, Boeing H, Bergmann MM, Fortner RT, Kaaks R, Trichopoulou A, Kotanidou A, Lagiou P, Palli D, Sieri S, Panico S, Bueno-de-Mesquita HB, Peeters PH, Grankvist K, Johansson M, Agudo A, Garcia JRQ, Larranaga N, Sanchez MJ, Chirlaque MD, Ardanaz E, Chuang SC, Gallo V, Brennan P, Johansson M, Ulvik A. Results from the European Prospective Investigation into Cancer and Nutrition Link Vitamin B6 Catabolism and Lung Cancer Risk. Cancer Res 2018; 78:302-308. [PMID: 29070616 DOI: 10.1158/0008-5472.can-17-1923] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 09/08/2017] [Accepted: 10/19/2017] [Indexed: 11/16/2022]
Abstract
Circulating pyridoxal-5'-phosphate (PLP) has been linked to lung cancer risk. The PAr index, defined as the ratio 4-pyridoxic acid/(pyridoxal + PLP), reflects increased vitamin B6 catabolism during inflammation. PAr has been defined as a marker of lung cancer risk in a prospective cohort study, but analysis of a larger numbers of cases are needed to deepen the significance of this study. Here, we conducted a nested case-control study within the European Prospective Investigation into Cancer and Nutrition (EPIC, n = 521,330), which included 892 incident lung cancer cases and 1,748 controls matched by center, gender, date of blood collection, and date of birth. The association of PAr with risk of lung cancer was evaluated by using conditional logistic regression. Study participants with elevated PAr experienced higher risk of lung cancer in a dose-response fashion, with a doubling in PAr levels associated with 52% higher odds of lung cancer after adjustment for tobacco smoking, serum cotinine levels, educational attainment, and BMI [OR, 1.52; 95% confidence interval (CI) 1.27-1.81; P < 0.001]. Additional adjustment for intake of vegetables and fruits and physical activity did not materially affect risk association. The association of PAr with lung cancer risk was similar in both genders but slightly stronger in former smokers and in participants diagnosed with squamous cell carcinoma. This study provides robust evidence that increased vitamin B6 catabolism is independently associated with a higher risk of future lung cancer.Significance: This large cohort study firmly establishes an association between an index of vitamin B6 levels with lung cancer risk. Cancer Res; 78(1); 302-8. ©2017 AACR.
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Affiliation(s)
- Hui Zuo
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway.
| | - Per M Ueland
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Laboratory of Clinical Biochemistry, Haukeland University Hospital, Bergen, Norway
| | | | - Stein E Vollset
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
- The Norwegian Institute of Public Health, Bergen, Norway
| | - Grethe S Tell
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | | | - Ruth C Travis
- Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom
| | - Marie-Christine Boutron-Ruault
- Université Paris-Saclay, Université Paris-Sud, UVSQ, Inserm, CESP, Generations and health, Gustave Roussy, Villejuif, France
| | - Agnès Fournier
- Université Paris-Saclay, Université Paris-Sud, UVSQ, Inserm, CESP, Generations and health, Gustave Roussy, Villejuif, France
| | - Gianluca Severi
- Université Paris-Saclay, Université Paris-Sud, UVSQ, Inserm, CESP, Generations and health, Gustave Roussy, Villejuif, France
| | - Marina Kvaskoff
- Université Paris-Saclay, Université Paris-Sud, UVSQ, Inserm, CESP, Generations and health, Gustave Roussy, Villejuif, France
| | - Heiner Boeing
- Department of Epidemiology, German Institute of Human Nutrition Potsdam-Rehbrücke, Germany
| | - Manuela M Bergmann
- Department of Epidemiology, German Institute of Human Nutrition Potsdam-Rehbrücke, Germany
| | - Renée T Fortner
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Rudolf Kaaks
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Anastasia Kotanidou
- First Department of Critical Care Medicine and Pulmonary Services, University of Athens Medical School, Evangelismos Hospital, Athens, Greece
| | - Pagona Lagiou
- Hellenic Health Foundation, Athens, Greece
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Domenico Palli
- Cancer Risk Factors and Life-Style Epidemiology Unit, Cancer Research and Prevention Institute-ISPO, Florence, Italy
| | - Sabina Sieri
- Epidemiology and Prevention Unit, Fondazione IRCCS Istituto Nazionale dei Tumori Via Venezian, Milano, Italy
| | - Salvatore Panico
- Dipartimento di Medicina Clinica Echirurgia Federico II University, Naples, Italy
| | - H Bas Bueno-de-Mesquita
- Department for Determinants of Chronic Diseases (DCD), National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
- Department of Epidemiology and Biostatistics, The School of Public Health, Imperial College London, London, United Kingdom
- Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Petra H Peeters
- Department of Epidemiology, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands
- MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College, London, United Kingdom
| | - Kjell Grankvist
- Department of Medical Biosciences, Umeå University, Umeå, Sweden
| | | | - Antonio Agudo
- Unic of Nutrition and Cancer, Cataln Institute of Oncology, IDIBELL, Hospitalet de Llobregat, Spain
| | | | - Nerea Larranaga
- CIBER of Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Public Health Division of Gipuzkoa, Regional Government of the Basque Country, Spain
| | - Maria-Jose Sanchez
- CIBER of Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Escuela Andaluza de Salud Pública. Instituto de Investigación, Biosanitaria ibs. GRANADA. Hospitales Universitarios de Granada/Universidad de Granada, Granada, Spain
| | - Maria Dolores Chirlaque
- CIBER of Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Department of Epidemiology, Murcia Regional Health Council, IMIB-Arrixaca, Murcia, Spain
- Department of Health and Social Sciences, Universidad de Murcia, Murcia, Spain
| | - Eva Ardanaz
- CIBER of Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Navarra Public Health Institute, Pamplona, Spain
- IdiSNA, Navarra Institute for Health Research, Pamplona, Spain
| | - Shu-Chun Chuang
- Institute of Population Health Sciences, National Health Research Institutes, Zhunan, Miaoli, Taiwan
| | - Valentina Gallo
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom
- Centre for Primary Care and Public Health, Queen Mary, University of London, London, United Kingdom
- Epidemiology and Medical Statistic Unit, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Paul Brennan
- International Agency for Research on Cancer, Lyon, France
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Vitamin B-6, Independent of Homocysteine, Is a Significant Factor in Relation to Inflammatory Responses for Chronic Kidney Disease and Hemodialysis Patients. BIOMED RESEARCH INTERNATIONAL 2017; 2017:7367831. [PMID: 29082255 PMCID: PMC5634566 DOI: 10.1155/2017/7367831] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 08/11/2017] [Accepted: 08/20/2017] [Indexed: 12/22/2022]
Abstract
The purpose of this study was to investigate whether plasma pyridoxal 5′-phosphate (PLP) and homocysteine were dependent on or independent of each other in order to be associated with inflammatory markers in patients with chronic kidney disease (CKD) or those receiving hemodialysis treatment. This was a cross-sectional study. Sixty-eight stage 2–5 CKD patients and 68 hemodialysis patients had one time fasting blood drawn for measurements of plasma PLP, pyridoxal (PL), homocysteine, and several inflammatory markers. Early CKD stage (stages 2-3) patients showed significantly lower plasma PLP levels and homocysteine concentrations than patients in an advanced CKD stage (stages 4-5) and those undergoing hemodialysis. Plasma PLP significantly correlated with CRP levels (partial rs = −0.21, p < 0.05) and plasma PL significantly correlated with IL-10 levels (partial rs = −0.24, p < 0.01), while plasma PLP plus PL significantly correlated with both CRP levels (partial rs = −0.20, p < 0.05) and interleukin-1β (partial rs = 0.22, p < 0.05) levels after adjusting for plasma homocysteine and other potential confounders. Plasma homocysteine displayed no significant correlations with any inflammatory markers. Vitamin B-6 status, rather than homocysteine, appeared to be a significant factor in relation to inflammatory responses for CKD and hemodialysis patients.
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Dao DT, Anez-Bustillos L, Cho BS, Li Z, Puder M, Gura KM. Assessment of Micronutrient Status in Critically Ill Children: Challenges and Opportunities. Nutrients 2017; 9:nu9111185. [PMID: 29143766 PMCID: PMC5707657 DOI: 10.3390/nu9111185] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 10/19/2017] [Accepted: 10/20/2017] [Indexed: 02/06/2023] Open
Abstract
Micronutrients refer to a group of organic vitamins and inorganic trace elements that serve many functions in metabolism. Assessment of micronutrient status in critically ill children is challenging due to many complicating factors, such as evolving metabolic demands, immature organ function, and varying methods of feeding that affect nutritional dietary intake. Determination of micronutrient status, especially in children, usually relies on a combination of biomarkers, with only a few having been established as a gold standard. Almost all micronutrients display a decrease in their serum levels in critically ill children, resulting in an increased risk of deficiency in this setting. While vitamin D deficiency is a well-known phenomenon in critical illness and can predict a higher need for intensive care, serum concentrations of many trace elements such as iron, zinc, and selenium decrease as a result of tissue redistribution in response to systemic inflammation. Despite a decrease in their levels, supplementation of micronutrients during times of severe illness has not demonstrated clear benefits in either survival advantage or reduction of adverse outcomes. For many micronutrients, the lack of large and randomized studies remains a major hindrance to critically evaluating their status and clinical significance.
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Affiliation(s)
- Duy T Dao
- Department of Surgery and Vascular Biology Program, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, USA.
| | - Lorenzo Anez-Bustillos
- Department of Surgery and Vascular Biology Program, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, USA.
| | - Bennet S Cho
- Department of Surgery and Vascular Biology Program, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, USA.
| | - Zhilling Li
- Department of Pharmacy, Shanghai Children's Hospital, Shanghai Jiao Tong University, 355 Luding Road, Shanghai 200062, China.
| | - Mark Puder
- Department of Surgery and Vascular Biology Program, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, USA.
| | - Kathleen M Gura
- Department of Pharmacy and the Division of Gastroenterology and Nutrition, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, USA.
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DeRatt BN, Ralat MA, Lysne V, Tayyari F, Dhar I, Edison AS, Garrett TJ, Midttun Ø, Ueland PM, Nygård OK, Gregory JF. Metabolomic Evaluation of the Consequences of Plasma Cystathionine Elevation in Adults with Stable Angina Pectoris. J Nutr 2017; 147:1658-1668. [PMID: 28794210 PMCID: PMC5572496 DOI: 10.3945/jn.117.254029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 05/30/2017] [Accepted: 06/29/2017] [Indexed: 02/02/2023] Open
Abstract
Background: An elevated circulating cystathionine concentration, which arises in part from insufficiencies of vitamin B-6, B-12, or folate, has been shown to be associated with cardiovascular disease (CVD) risk. Hydrogen sulfide (H2S) is a gasotransmitter involved in vasodilation, neuromodulation, and inflammation. Most endogenously produced H2S is formed by pyridoxal phosphate (PLP)-dependent enzymes by noncanonical reactions of the transsulfuration pathway that yield H2S concurrently form lanthionine and homolanthionine. Thus, plasma lanthionine and homolanthionine concentrations can provide relative information about H2S production in vivo.Objective: To determine the metabolic consequences of an elevated plasma cystathionine concentration in adults with stable angina pectoris (SAP), we conducted both targeted and untargeted metabolomic analyses.Methods: We conducted NMR and LC-mass spectrometry (MS) metabolomic analyses on a subset of 80 plasma samples from the Western Norway Coronary Angiography Cohort and selected, based on plasma cystathionine concentrations, a group with high cystathionine concentrations [1.32 ± 0.60 μmol/L (mean ± SD); n = 40] and a group with low cystathionine concentrations [0.137 ± 0.011 μmol/L (mean ± SD); n = 40]. Targeted and untargeted metabolomic analyses were performed and assessed with the use of Student's t tests corrected for multiple testing. Overall differences between the cystathionine groups were assessed by untargeted NMR and LC-MS metabolomic methods and evaluated by partial least squares discriminant analysis (PLS-DA) with significant discriminating metabolites identified with 99% confidence.Results: Subjects with high cystathionine concentrations had 75% higher plasma lanthionine concentrations (0.12 ± 0.044 μmol/L) than subjects with low cystathionine concentrations [0.032 ± 0.013 μmol/L (P < 0.001)]. Although plasma homolanthionine concentrations were notably higher than lanthionine concentrations, they were not different between the groups (P = 0.47). PLS-DA results showed that a high plasma cystathionine concentration in SAP was associated with higher glucose, branched-chain amino acids, and phenylalanine concentrations, lower kidney function, and lower glutathione and plasma PLP concentrations due to greater catabolism. The high-cystathionine group had a greater proportion of subjects in the postprandial state.Conclusion: These data suggest that metabolic perturbations consistent with higher CVD risk exist in SAP patients with elevated plasma cystathionine concentrations.
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Affiliation(s)
| | | | - Vegard Lysne
- Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Fariba Tayyari
- Departments of Biochemistry and,Genetics, Institute of Bioinformatics, and Complex Carbohydrate Research Center, University of Georgia, Athens, GA
| | - Indu Dhar
- Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Arthur S Edison
- Departments of Biochemistry and,Genetics, Institute of Bioinformatics, and Complex Carbohydrate Research Center, University of Georgia, Athens, GA
| | - Timothy J Garrett
- Pathology, Immunology, and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL
| | | | - Per Magne Ueland
- Department of Clinical Science, University of Bergen, Bergen, Norway;,Laboratory of Clinical Biochemistry and
| | - Ottar Kjell Nygård
- Department of Clinical Science, University of Bergen, Bergen, Norway;,Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
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Minović I, Riphagen IJ, van den Berg E, Kootstra-Ros JE, van Faassen M, Gomes Neto AW, Geleijnse JM, Gans RO, Eggersdorfer M, Navis GJ, Kema IP, Bakker SJ. Vitamin B-6 deficiency is common and associated with poor long-term outcome in renal transplant recipients. Am J Clin Nutr 2017; 105:1344-1350. [PMID: 28468895 DOI: 10.3945/ajcn.116.151431] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 03/31/2017] [Indexed: 11/14/2022] Open
Abstract
Background: Previous studies have reported low circulating concentrations of pyridoxal-5-phospate (PLP) in renal transplant recipients (RTRs). It is unknown whether this is because of low intake or altered handling, and it is also unknown whether variation in circulating concentrations of PLP influences long-term outcome.Objective: We compared vitamin B-6 intake and circulating PLP concentrations of RTRs with those of healthy controls and investigated long-term clinical implications of vitamin B-6 deficiency in stable outpatient RTRs.Design: In a longitudinal cohort of 687 stable RTRs (57% male; mean ± SD age: 53 ± 13 y) with a median (IQR) follow-up of 5.3 y (4.8-6.1 y) and 357 healthy controls (47% male; age 54 ± 11 y), baseline vitamin B-6 was measured as plasma PLP by high-performance liquid chromatography (HPLC). Vitamin B-6 deficiency was defined as PLP <20 nmol/L, and insufficiency as PLP 20-30 nmol/L. Dietary intake was assessed by validated food-frequency questionnaires.Results: At inclusion [5.3 y (1.8-12.1 y) after transplantation], the mean vitamin B-6 intakes in RTRs and healthy controls were 1.77 ± 0.49 and 1.85 ± 0.56 mg/d, respectively (P = 0.23). In these groups, the median plasma PLP concentrations were 29 nmol/L (17-50 nmol/L) and 41 nmol/L (29-60 nmol/L), respectively (P < 0.001). Accordingly, deficiency was present in 30% of RTRs compared with 11% of healthy controls. PLP concentrations were inversely associated with glucose homeostasis variables and inflammation variables (all P < 0.01). During follow-up, 149 (21%) RTRs died and 82 (12%) developed graft failure. In RTRs, vitamin B-6 deficiency was associated with considerably higher mortality risk (HR 2.14; 95% CI: 1.48, 3.08) than a sufficient vitamin B-6 status, independent of potential confounders. No associations were observed for graft failure (P = 0.18).Conclusions: Vitamin B-6 deficiency is common in RTRs and does not seem to be a consequence of inadequate intake. In addition, this deficient state is clinically relevant and independently associated with an increased risk of mortality in RTRs. The cohort on which the study was based [TransplantLines Food and Nutrition Biobank and Cohort Study (TxL-FN)] was registered at clinicaltrials.gov as NCT02811835.
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Affiliation(s)
- Isidor Minović
- Department of Internal Medicine, .,Department of Laboratory Medicine, and.,Top Institute Food and Nutrition, Wageningen, Netherlands
| | | | | | | | | | - Antonio W Gomes Neto
- Department of Internal Medicine.,TransplantLines Food and Nutrition Biobank and Cohort Study, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Johanna M Geleijnse
- Division of Human Nutrition, Wageningen University, Wageningen, Netherlands; and
| | | | - Manfred Eggersdorfer
- Division of Human Nutrition, Wageningen University, Wageningen, Netherlands; and.,DSM Nutritional Products, Kaiseraugst, Switzerland
| | | | | | - Stephan Jl Bakker
- Department of Internal Medicine.,TransplantLines Food and Nutrition Biobank and Cohort Study, University of Groningen, University Medical Center Groningen, Groningen, Netherlands.,Top Institute Food and Nutrition, Wageningen, Netherlands
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Fudge J, Mangel N, Gruissem W, Vanderschuren H, Fitzpatrick TB. Rationalising vitamin B6 biofortification in crop plants. Curr Opin Biotechnol 2017; 44:130-137. [DOI: 10.1016/j.copbio.2016.12.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 12/17/2016] [Accepted: 12/19/2016] [Indexed: 12/31/2022]
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Gylling B, Myte R, Schneede J, Hallmans G, Häggström J, Johansson I, Ulvik A, Ueland PM, Van Guelpen B, Palmqvist R. Vitamin B-6 and colorectal cancer risk: a prospective population-based study using 3 distinct plasma markers of vitamin B-6 status. Am J Clin Nutr 2017; 105:897-904. [PMID: 28275126 DOI: 10.3945/ajcn.116.139337] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 02/07/2017] [Indexed: 11/14/2022] Open
Abstract
Background: Higher plasma concentrations of the vitamin B-6 marker pyridoxal 5'-phosphate (PLP) have been associated with reduced colorectal cancer (CRC) risk. Inflammatory processes, including vitamin B-6 catabolism, could explain such findings.Objective: We investigated 3 biomarkers of vitamin B-6 status in relation to CRC risk.Design: This was a prospective case-control study of 613 CRC cases and 1190 matched controls nested within the Northern Sweden Health and Disease Study (n = 114,679). Participants were followed from 1985 to 2009, and the median follow-up from baseline to CRC diagnosis was 8.2 y. PLP, pyridoxal, pyridoxic acid (PA), 3-hydroxykynurenine, and xanthurenic acids (XAs) were measured in plasma with the use of liquid chromatography-tandem mass spectrometry. We calculated relative and absolute risks of CRC for PLP and the ratios 3-hydroxykynurenine:XA (HK:XA), an inverse marker of functional vitamin B-6 status, and PA:(PLP + pyridoxal) (PAr), a marker of inflammation and oxidative stress and an inverse marker of vitamin B-6 status.Results: Plasma PLP concentrations were associated with a reduced CRC risk for the third compared with the first quartile and for PLP sufficiency compared with deficiency [OR: 0.60 (95% CI: 0.44, 0.81) and OR: 0.55 (95% CI: 0.37, 0.81), respectively]. HK:XA and PAr were both associated with increased CRC risk [OR: 1.48 (95% CI: 1.08, 2.02) and OR: 1.50 (95% CI: 1.10, 2.04), respectively] for the fourth compared with the first quartile. For HK:XA and PAr, the findings were mainly observed in study participants with <10.5 y of follow-up between sampling and diagnosis.Conclusions: Vitamin B-6 deficiency as measured by plasma PLP is associated with a clear increase in CRC risk. Furthermore, our analyses of novel markers of functional vitamin B-6 status and vitamin B-6-associated oxidative stress and inflammation suggest a role in tumor progression rather than initiation.
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Affiliation(s)
| | | | - Jörn Schneede
- Clinical Pharmacology, Pharmacology and Clinical Neurosciences
| | | | | | | | | | - Per M Ueland
- Department of Clinical Science, University of Bergen and Laboratory of Clinical Biochemistry, Haukeland University Hospital, Bergen, Norway
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De Giuseppe R, Venturelli G, Guez S, Salera S, De Vita C, Consonni D, Dellanoce C, Bamonti F, Chiarelli G, Manzoni F, Maiavacca R, Esposito S. Homocysteine metabolism in children and adolescents with epidermolysis bullosa. BMC Pediatr 2016; 16:173. [PMID: 27793182 PMCID: PMC5086034 DOI: 10.1186/s12887-016-0714-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Accepted: 10/21/2016] [Indexed: 12/28/2022] Open
Abstract
Background Epidermolysis bullosa (EB) belongs to a family of rare heterogeneous, genetic disorders characterized by blistering of the skin and mucous membranes in response to minor mechanical trauma. The involvement of the oral mucosa and oesophagus stenosis is suggested to be responsible for severe nutritional deficiencies, but few studies have till now considered this aspect. This observational study aimed to evaluate homocysteine status in children and adolescents with EB by assessing total plasma homocysteine (tHcy) and metabolically related vitamins (B6, B12, folate) concentrations. Methods Twenty EB patients (12 M; age range 0.5−19 years) were evaluated for: plasma tHcy, serum B12 and holotranscobalamin (HoloTC, the active fraction of B12), serum and erythrocyte folate (s-F and Ery-F, respectively), plasma B6 and serum high sensitive C-reactive-protein (hsCRP) levels. Clinical severity was also evaluated through the Birmingham Epidermolysis Bullosa Severity (BEBS) score. A sex and age well-matched population was also enrolled. Results EB patients showed tHcy levels higher (p = 0.04) and B6 levels lower (p = 0.03) than controls. B12, HoloTC, s-F and ery-F concentrations did not differ between patients and controls. Multiple linear regression analysis showed that tHcy levels were independent of the metabolically related vitamins levels. In addition, serum hsCRP levels were higher in EB patients than in controls (p = 0.003) and correlated negatively with B6 concentrations (r = -0.6; p = 0.009). BEBS score correlated negatively with HoloTC (p = 0.022) and B6 (p = 0.005) levels and positively with age (p = 0.031) and hsCRP levels (p < 0.001). Conclusions The assessment of tHcy and metabolically related vitamin levels describes an important aspect of EB patients’ nutritional status which can result essential for their long term care. Monitoring B6 levels in EB patients could be particularly important in order to prevent several complications associated with B6 deficiency and to avoid a B6 excess which sustains an inflammatory condition.
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Affiliation(s)
- Rachele De Giuseppe
- Institute of Human Nutrition and Dietetics, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy.
| | - Greta Venturelli
- Internal Medicine and Metabolic Diseases; Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Sophie Guez
- Pediatric Highly Intensive Care Unit, University of Milan; Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Simona Salera
- Pediatric Highly Intensive Care Unit, University of Milan; Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Claudia De Vita
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Dario Consonni
- Epidemiology Unit; Department of Preventive Medicine, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Cinzia Dellanoce
- CNR Institute of Clinical Physiology, CardioThoracic and Vascular Department, Niguarda Ca' Granda Hospital, Milan, Italy
| | - Fabrizia Bamonti
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Gabriella Chiarelli
- Pediatric Highly Intensive Care Unit, University of Milan; Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Francesca Manzoni
- Pediatric Highly Intensive Care Unit, University of Milan; Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Rita Maiavacca
- Laboratory of Clinical Chemistry and Microbiology, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Susanna Esposito
- Pediatric Highly Intensive Care Unit, University of Milan; Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
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Ueland PM, McCann A, Midttun Ø, Ulvik A. Inflammation, vitamin B6 and related pathways. Mol Aspects Med 2016; 53:10-27. [PMID: 27593095 DOI: 10.1016/j.mam.2016.08.001] [Citation(s) in RCA: 199] [Impact Index Per Article: 24.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 08/27/2016] [Indexed: 12/11/2022]
Abstract
The active form of vitamin B6, pyridoxal 5'-phosphate (PLP), serves as a co-factor in more than 150 enzymatic reactions. Plasma PLP has consistently been shown to be low in inflammatory conditions; there is a parallel reduction in liver PLP, but minor changes in erythrocyte and muscle PLP and in functional vitamin B6 biomarkers. Plasma PLP also predicts the risk of chronic diseases like cardiovascular disease and some cancers, and is inversely associated with numerous inflammatory markers in clinical and population-based studies. Vitamin B6 intake and supplementation improve some immune functions in vitamin B6-deficient humans and experimental animals. A possible mechanism involved is mobilization of vitamin B6 to the sites of inflammation where it may serve as a co-factor in pathways producing metabolites with immunomodulating effects. Relevant vitamin B6-dependent inflammatory pathways include vitamin B6 catabolism, the kynurenine pathway, sphingosine 1-phosphate metabolism, the transsulfuration pathway, and serine and glycine metabolism.
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Affiliation(s)
- Per Magne Ueland
- Department of Clinical Science, University of Bergen, 5021 Bergen, Norway; Laboratory of Clinical Biochemistry, Haukeland University Hospital, 5021 Bergen, Norway.
| | | | | | - Arve Ulvik
- Bevital A/S, Laboratoriebygget, 5021 Bergen, Norway
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Deac OM, Mills JL, Gardiner CM, Shane B, Quinn L, Midttun Ø, McCann A, Meyer K, Ueland PM, Fan R, Lu Z, Brody LC, Molloy AM. Serum Immune System Biomarkers Neopterin and Interleukin-10 Are Strongly Related to Tryptophan Metabolism in Healthy Young Adults. J Nutr 2016; 146:1801-6. [PMID: 27489009 PMCID: PMC4997280 DOI: 10.3945/jn.116.230698] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Accepted: 07/05/2016] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Changes in tryptophan metabolism through the vitamin B-6-dependent kynurenine pathway have been linked to activation of the immune system. OBJECTIVE We hypothesized that blood concentrations of tryptophan and its catabolites were associated with biomarkers relevant to inflammatory processes in healthy noninflamed subjects. METHODS Healthy young adults (n = 737) aged 18-28 y without any known diseases or clinical evidence of inflammation provided blood samples for analysis of serum tryptophan/kynurenine metabolites, neopterin, C-reactive protein (CRP), and plasma pyridoxal 5'-phosphate (PLP) with LC-tandem mass spectrometry methodologies. A panel of cytokines was measured in serum by using high-sensitivity ELISA assays. Anthropometric and lifestyle data were collected by questionnaire. Multiple linear regression analysis to determine the effect of measured serum cytokine concentrations as predictors of tryptophan metabolites was performed on inverse normal-rank transformations of the data, adjusted for sex, body mass index, smoking, alcohol intake, and contraceptive use in women. RESULTS Median serum CRP and neopterin concentrations were well below established clinical cutoffs for inflammation. We observed significant positive associations between serum interleukin-10 (IL-10) and serum kynurenine (P = 0.0002), the kynurenine-to-tryptophan ratio (KTR) (P = 0.003), 3-hydroxykynurenine (P = 0.01), and 3-hydroxyanthranilic acid (P = 0.04). Serum neopterin was positively associated with kynurenine, the KTR (both P < 0.0001), and anthranilic acid (P = 0.004), and was negatively associated with serum tryptophan (P = 0.01) and PLP (P < 0.0001). Serum tumor necrosis factor α was also negatively associated with tryptophan (P < 0.001). CONCLUSIONS In healthy young adults with no apparent inflammatory conditions, serum tryptophan metabolites are significantly associated with key immune system biomarkers. The observed association between IL-10 and kynurenine is unexpected and suggests that kynurenine-linked mechanisms promoting negative regulation of inflammatory responses are associated with normal immune homeostasis.
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Affiliation(s)
| | - James L Mills
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, and
| | - Clair M Gardiner
- School of Biochemistry and Immunology, Trinity College Dublin, Ireland
| | - Barry Shane
- Nutritional Science and Toxicology, University of California, Berkeley, Berkeley, CA
| | - Louise Quinn
- School of Biochemistry and Immunology, Trinity College Dublin, Ireland
| | | | | | | | - Per M Ueland
- Section of Pharmacology, Institute of Medicine, University of Bergen and Haukeland University Hospital, Bergen, Norway
| | - Ruzong Fan
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, and
| | - Zhaohui Lu
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, and
| | - Lawrence C Brody
- Molecular Pathogenesis Section, Genome Technology Branch, National Human Genome Research Institute, NIH, Bethesda, MD
| | - Anne M Molloy
- School of Medicine and School of Biochemistry and Immunology, Trinity College Dublin, Ireland;
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Poudel-Tandukar K, Chandyo RK. Dietary B Vitamins and Serum C-Reactive Protein in Persons With Human Immunodeficiency Virus Infection: The Positive Living With HIV (POLH) Study. Food Nutr Bull 2016; 37:517-528. [PMID: 27370977 DOI: 10.1177/0379572116657268] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND B vitamins may have beneficial roles in reducing inflammation; however, research on the role of B vitamins in inflammation among HIV-infected persons is lacking. OBJECTIVE This study assessed the association between B vitamins and serum C-reactive protein (CRP) concentrations in HIV-infected persons. METHODS A cross-sectional survey was conducted among 314 HIV-infected persons (180 men and 134 women) aged 18 to 60 years residing in the Kathmandu, Nepal. High-sensitive and regular serum CRP concentrations were measured by the latex agglutination nephelometry and latex agglutination turbidimetric method, respectively. Dietary intake was assessed using 2 nonconsecutive 24-hour dietary recalls. The relationships between B vitamins and serum CRP concentrations were assessed using multiple regression analysis. RESULTS The multivariate-adjusted geometric mean of serum CRP concentrations was significantly decreased with an increasing B vitamins intake across quartiles of niacin (P for trend = .007), pyridoxine (P for trend = .042), and cobalamin (P for trend = .037) in men. In men, the mean serum CRP concentrations in the highest quartiles of niacin, pyridoxine, and cobalamin were 63%, 38%, and 58%, respectively, lower than that in the lowest quartile. In women, the mean serum CRP concentrations in the highest quartiles of riboflavin (P for trend = .084) and pyridoxine (P for trend = .093) were 37% and 47%, respectively, lower than that in the lowest quartile. CONCLUSION High intake of niacin, pyridoxine, or cobalamin was independently associated with decreased serum CRP concentrations among HIV-infected men. Further prospective studies are warranted to confirm the role of B vitamins in inflammation among HIV-infected persons.
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Affiliation(s)
| | - Ram Krishna Chandyo
- Centre for International Health, University of Bergen, Norway.,Department of Community Medicine, Kathmandu Medical College, Kathmandu, Nepal
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