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Dizdar OS, Erdem S, Deliktas ED, Dogan S, Gundogan K, Genton L, Canatan H, Eken A. Thiamine status and genes encoding intestinal thiamine transporters and transcription factors in obese subjects. Nutr Metab Cardiovasc Dis 2024; 34:2369-2377. [PMID: 39069468 DOI: 10.1016/j.numecd.2024.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 06/10/2024] [Accepted: 06/10/2024] [Indexed: 07/30/2024]
Abstract
BACKGROUND AND AIMS The inconsistent data on thiamine status in obese subjects necessitates an examination of genes associated with intestinal absorption of thiamine. We aimed to reveal thiamine status in obese subjects and examine the expression of SLC19A2/3 genes encoding thiamine transporters and Sp1 transcription factor. METHODS AND RESULTS Thirty-five adult obese subjects and 11 healthy controls were included in this cross-sectional study. Small intestine epithelial cells were used for quantitative RT-PCR analysis of the gene expression. The daily thiamine and energy intake were assessed with a food frequency questionnaire. Thiamine phosphate esters were hydrolyzed to free thiamine, and liquid chromatography with a tandem mass spectrometry-based method was used to measure total thiamine in whole blood. Daily energy intake according to body weight and daily carbohydrate intake were not significantly different between groups after adjustment for sex. Although daily thiamine intake was significantly lower in the obesity group (p = 0.015), obese subjects had significantly higher whole blood thiamine levels than controls (44.96 ± 14.6 ng/mL and 33.05 ± 8.6 ng/mL, p = 0.002). There was a significant positive correlation between whole blood thiamine and BMI (r = 0.342, p = 0.020). SLC19A2 gene expression was lower in those with BMI ≥35 kg/m2 (p = 0.036). A significant positive correlation was found between SLC19A2 expression and whole blood thiamine level (r = 0.310, p = 0.038). CONCLUSION A possible association between intestinal thiamine intake and total thiamine in whole blood was determined. The transcriptional changes of genes encoding the high-affinity membrane thiamine transporters, especially SLC19A2, probably play a role in this relationship.
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Affiliation(s)
- Oguzhan Sıtkı Dizdar
- Department of Internal Medicine and Clinical Nutrition Unit, Kayseri City Training and Research Hospital, University of Health Sciences, Kayseri, Turkey; Department of Medical Biology and Genome and Stem Cell Center (GENKOK) Faculty of Medicine, Erciyes University, Kayseri, Turkey.
| | - Serife Erdem
- Department of Medical Biology and Genome and Stem Cell Center (GENKOK) Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Elif Dilek Deliktas
- Department of Internal Medicine, Kayseri City Training and Research Hospital, University of Health Sciences, Kayseri, Turkey
| | - Serkan Dogan
- Department of Gastroenterology, Kayseri City Training and Research Hospital, University of Health Sciences, Kayseri, Turkey
| | - Kursat Gundogan
- Department of Internal Medicine and Clinical Nutrition Unit, Faculty of Medicine, Erciyes University Kayseri, Turkey
| | - Laurence Genton
- Clinical Nutrition, Geneva University Hospitals, and University of Geneva, Switzerland
| | - Halit Canatan
- Department of Medical Biology and Genome and Stem Cell Center (GENKOK) Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Ahmet Eken
- Department of Medical Biology and Genome and Stem Cell Center (GENKOK) Faculty of Medicine, Erciyes University, Kayseri, Turkey
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Takeda Y, Dai P. Functional roles of pantothenic acid, riboflavin, thiamine, and choline in adipocyte browning in chemically induced human brown adipocytes. Sci Rep 2024; 14:18252. [PMID: 39107469 PMCID: PMC11303702 DOI: 10.1038/s41598-024-69364-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Accepted: 08/05/2024] [Indexed: 08/10/2024] Open
Abstract
Brown fat is a therapeutic target for the treatment of obesity-associated metabolic diseases. However, nutritional intervention strategies for increasing the mass and activity of human brown adipocytes have not yet been established. To identify vitamins required for brown adipogenesis and adipocyte browning, chemical compound-induced brown adipocytes (ciBAs) were converted from human dermal fibroblasts under serum-free and vitamin-free conditions. Choline was found to be essential for adipogenesis. Additional treatment with pantothenic acid (PA) provided choline-induced immature adipocytes with browning properties and metabolic maturation, including uncoupling protein 1 (UCP1) expression, lipolysis, and mitochondrial respiration. However, treatment with high PA concentrations attenuated these effects along with decreased glycolysis. Transcriptome analysis showed that a low PA concentration activated metabolic genes, including the futile creatine cycle-related thermogenic genes, which was reversed by a high PA concentration. Riboflavin treatment suppressed thermogenic gene expression and increased lipolysis, implying a metabolic pathway different from that of PA. Thiamine treatment slightly activated thermogenic genes along with decreased glycolysis. In summary, our results suggest that specific B vitamins and choline are uniquely involved in the regulation of adipocyte browning via cellular energy metabolism in a concentration-dependent manner.
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Affiliation(s)
- Yukimasa Takeda
- Department of Cellular Regenerative Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-Cho, Kawaramachi-Hirokoji, Kamigyo-Ku, Kyoto, 602-8566, Japan.
| | - Ping Dai
- Department of Cellular Regenerative Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-Cho, Kawaramachi-Hirokoji, Kamigyo-Ku, Kyoto, 602-8566, Japan.
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Gumul D, Oracz J, Litwinek D, Żyżelewicz D, Zięba T, Sabat R, Wywrocka-Gurgul A, Ziobro R. Quality- and Health-Promoting Compounds of Whole Wheat Bread with the Addition of Stale Bread, Cornmeal, and Apple Pomace. Foods 2024; 13:1767. [PMID: 38890995 PMCID: PMC11171573 DOI: 10.3390/foods13111767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 05/28/2024] [Accepted: 05/31/2024] [Indexed: 06/20/2024] Open
Abstract
The aim of this study was to evaluate the effect of extruded preparations on the bioactive and nutritional properties, vitamin B content, volatile compound profile, and quality of whole wheat bread. Extruded preparations based on stale bread (secondary raw materials) and apple pomace (byproducts) were used as bread additives. It was found that the preparations did not enrich the bread in protein but in health-promoting compounds, especially gallic acid, protocatechuic acid, caffeic acid, p-coumaric acid, rutin, quercetin, and B vitamins. Extruded preparations had a positive effect on the quality of the bread produced, such as yield and cohesiveness, and gave it a pleasant aroma. It was shown that among all the examined bread samples with added extruded preparations of stale bread, the cornmeal and apple pomace bread samples with 15% extruded preparation (containing 55% cornmeal, 30% stale bread, and 15% apple pomace) had sufficient nutritional value, the highest amounts of gallic acid, protocatechuic acid, p-coumaric acid, caffeic acid, rutin, and quercetin; medium amounts of ellagic acid; high antioxidant activity determined in vitro using four methods (by DPPH, ABTS, power (FRAP), and Fe(II) chelating assays); adequate quality; and significant amounts of vitamins, especially B1, B2, and B3. This type of extruded preparation should utilize apple pomace, which is a byproduct, and stale bread, which is a secondary waste. Such a combination is an excellent low-cost, easy, and prospective solution for the baking industry that could be applied to obtain bread with elevated nutritional value and enhanced health potential, as proven in this publication.
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Affiliation(s)
- Dorota Gumul
- Department of Carbohydrate Technology and Cereal Processing, Faculty of Food Technology, University of Agriculture in Krakow, 122 Balicka Street, 30-149 Krakow, Poland; (D.L.); (R.S.); (A.W.-G.); (R.Z.)
| | - Joanna Oracz
- Institute of Food Technology and Analysis, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 2/22 Stefanowskiego Street, 90-537 Lodz, Poland; (J.O.); (D.Ż.)
| | - Dorota Litwinek
- Department of Carbohydrate Technology and Cereal Processing, Faculty of Food Technology, University of Agriculture in Krakow, 122 Balicka Street, 30-149 Krakow, Poland; (D.L.); (R.S.); (A.W.-G.); (R.Z.)
| | - Dorota Żyżelewicz
- Institute of Food Technology and Analysis, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 2/22 Stefanowskiego Street, 90-537 Lodz, Poland; (J.O.); (D.Ż.)
| | - Tomasz Zięba
- Department of Food Storage, The Faculty of Life Sciences and Technology, Wrocław University of Environmental and Life Sciences, Chełmońskiego 37, 51-630 Wrocław, Poland;
| | - Renata Sabat
- Department of Carbohydrate Technology and Cereal Processing, Faculty of Food Technology, University of Agriculture in Krakow, 122 Balicka Street, 30-149 Krakow, Poland; (D.L.); (R.S.); (A.W.-G.); (R.Z.)
| | - Anna Wywrocka-Gurgul
- Department of Carbohydrate Technology and Cereal Processing, Faculty of Food Technology, University of Agriculture in Krakow, 122 Balicka Street, 30-149 Krakow, Poland; (D.L.); (R.S.); (A.W.-G.); (R.Z.)
| | - Rafał Ziobro
- Department of Carbohydrate Technology and Cereal Processing, Faculty of Food Technology, University of Agriculture in Krakow, 122 Balicka Street, 30-149 Krakow, Poland; (D.L.); (R.S.); (A.W.-G.); (R.Z.)
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Xia Y, Ji C, Li M, Zhang W, Cheng X, Qiu Y, Ge W. Simultaneous quantification of seven B vitamins in human faeces by stable isotope label-based high-performance liquid chromatography-tandem mass spectrometry. J Pharm Biomed Anal 2024; 237:115784. [PMID: 37839265 DOI: 10.1016/j.jpba.2023.115784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/27/2023] [Accepted: 10/09/2023] [Indexed: 10/17/2023]
Abstract
B vitamins in the human distal gut are primarily derived from the gut microbiota because daily dietary vitamins are fully absorbed in the small intestine under normal dietary and physiological conditions. Quantitative determination of B vitamins in the distal gut and faecal samples is crucial for understanding the intricate relationship between gut B vitamins, gut microbiota, and host health. In this study, we developed a rapid, robust, and reliable method with a simple extraction procedure for the simultaneous analysis of seven B vitamins in human faeces using high-performance liquid chromatography-electrospray ionisation-tandem mass spectrometry (HPLC-ESI-MS/MS) with stable isotope-labelled internal standards. A protein precipitation approach using methanol as the precipitant was employed to extract vitamin B from human faecal samples. Seven B vitamins were adequately separated and quantified within 9 min by HPLC-ESI-MS/MS with a Pursuit PFP column (2.0 ×150 mm, 3.0 µm), including vitamins B1, B2, B3, B5, pyridoxic acid, pyridoxine, and B7. The lower limits of quantification were within the range of 0.1-25 ng mL-1. The intra-day and inter-day precision and accuracy were both within 15 %. The validated method was successfully applied to 55 faecal samples collected from healthy individuals, patients with type 2 diabetes, and obese patients. Compared with healthy controls, obese patients had lower faecal concentrations of vitamins B1 and B3 and pyridoxic acid, whereas patients with type 2 diabetes had lower faecal concentrations of vitamins B1 and B5.
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Affiliation(s)
- Yu Xia
- Department of Pharmacy, China Pharmaceutical University Nanjing Drum Tower Hospital, Nanjing 210008, China; School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 211112, China
| | - Cheng Ji
- Department of Pharmacy, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Meijuan Li
- Nanjing Qlife Medical Technology Co., Ltd, Nanjing 211899, China
| | - Wei Zhang
- Nanjing Qlife Medical Technology Co., Ltd, Nanjing 211899, China
| | - Xiaoliang Cheng
- Nanjing Qlife Medical Technology Co., Ltd, Nanjing 211899, China.
| | - Yanyan Qiu
- Department of Pediatrics, The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning 530023, China.
| | - Weihong Ge
- Department of Pharmacy, China Pharmaceutical University Nanjing Drum Tower Hospital, Nanjing 210008, China; School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 211112, China; Department of Pharmacy, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China.
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Zeng Y, Teo J, Lim JQ, Hoi WK, Kee CL, Low MY, Ge X. Determination of N-nitroso folic acid in folic acid and multivitamin supplements by LC-MS/MS. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2024; 41:1-8. [PMID: 38100531 DOI: 10.1080/19440049.2023.2292603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 12/05/2023] [Indexed: 12/17/2023]
Abstract
Analysis of N-nitroso folic acid, a nitrosamine impurity found in folic acid, is challenging due to the complex sample matrices. Many of such supplements contain not only a variety of vitamins, including vitamin A, Bs, C, D and E, but also other ingredients such as minerals, docosahexaenoic acid (DHA), glucose syrup, sugar, and herbs. On the other hand, the strength of folic acid is typically low, ranging from 50 µg to 5 mg per unit. In this study, a highly selective and sensitive LC-MS/MS method was developed to accurately quantify N-nitroso folic acid in supplements containing folic acid. The sample was extracted by 0.1% ammonia solution: MeOH (9:1, v/v) containing 5 ng/mL of N-nitroso folic acid-d4 (Isotope internal standard). The quantification was performed by MRM in negative ionization mode. Mobile phases A and B were 0.1% formic acid in deionized water and methanol, respectively. The method was validated and found to have sufficient linearity (R2 > 0.995), accuracy (recovery 83-110%), precision (RSD 3%) and low LOD, LOQ (4 and 10 µg/g respectively, with respect to folic acid). The method was applied to the determination of N-nitroso folic acid in 40 supplements containing folic acid with different strengths and formulation. The content of N-nitroso folic acid was found to be up to 898 ng/unit (1794 µg/g with respect to folic acid). It enabled regulatory actions, such as product recall, to safeguard public health from unsafe products.
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Affiliation(s)
- Yun Zeng
- Pharmaceutical Laboratory, Applied Sciences Group, Health Sciences Authority, Singapore
| | - Jessie Teo
- Pharmaceutical Laboratory, Applied Sciences Group, Health Sciences Authority, Singapore
| | - Jing-Quan Lim
- Pharmaceutical Laboratory, Applied Sciences Group, Health Sciences Authority, Singapore
| | - Wei-Kiat Hoi
- Pharmaceutical Laboratory, Applied Sciences Group, Health Sciences Authority, Singapore
| | - Chee-Leong Kee
- Pharmaceutical Laboratory, Applied Sciences Group, Health Sciences Authority, Singapore
| | - Min-Yong Low
- Pharmaceutical Laboratory, Applied Sciences Group, Health Sciences Authority, Singapore
| | - Xiaowei Ge
- Pharmaceutical Laboratory, Applied Sciences Group, Health Sciences Authority, Singapore
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Wu J, Xu Y, Yang J, Yu X, Han Z, Guo L, Huang Y, Zhang Y. Quantification of 10 B vitamins in mouse colon by LC-MS/MS: Application on breast cancer mice treated with doxorubicin. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1222:123714. [PMID: 37059011 DOI: 10.1016/j.jchromb.2023.123714] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/30/2023] [Accepted: 04/04/2023] [Indexed: 04/16/2023]
Abstract
B vitamins play important roles in various physiological processes, including cell metabolism and DNA synthesis. The intestine is critical for the absorption and utilization of B vitamins, but few analytical methods for detecting intestinal B vitamins are currently available. In this study, we developed a novel liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the simultaneous quantification of 10 B vitamins in mouse colon tissue, including thiamin (B1), riboflavin (B2), nicotinic acid (B3), niacinamide (B3-AM), pantothenic acid (B5), pyridoxine (B6), pyridoxal 5'-phosphate (B6-5P), biotin (B7), folic acid (B9), and cyanocobalamin (B12). The method was thoroughly validated following the U.S. Food and Drug Administration (FDA) guidelines and yielded good results in terms of linearity (r2 > 0.9928), lower limit of quantification (40-600 ng/g), accuracy (88.9-119.80 %) and precision (relative standard deviation ≤ 19.71 %), recovery (87.95-113.79 %), matrix effect (91.26-113.78 %), and stability (85.65-114.05 %). Furthermore, we applied our method to profile B vitamins in the colons of mice with breast cancer after doxorubicin chemotherapy treatment, which revealed that the doxorubicin treatment led to significant colon damage and accumulation of several B vitamins including B1, B2 and B5. We also confirmed the capability of this method for quantifying B vitamins in other intestinal tissues like the ileum, jejunum, and duodenum. The newly developed method is simple, specific, and useful for targeted profiling of B vitamins in mouse colon, with a potential for future studies on the role of these micronutrients in healthy and diseased states.
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Affiliation(s)
- Jing Wu
- China Pharmaceutical University Nanjing Drum Tower Hospital, Nanjing 210009, China; Department of Pharmaceutical Analysis, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Yan Xu
- Department of Pharmaceutical Analysis, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Jiahong Yang
- Department of Pharmaceutical Analysis, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Xinyue Yu
- Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Ministry of Education, Nanjing 210009, China
| | - Zhaodi Han
- Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Ministry of Education, Nanjing 210009, China
| | - Linling Guo
- Department of Pharmaceutical Analysis, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Yin Huang
- China Pharmaceutical University Nanjing Drum Tower Hospital, Nanjing 210009, China; Department of Pharmaceutical Analysis, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Ministry of Education, Nanjing 210009, China.
| | - Yuxin Zhang
- China Pharmaceutical University Nanjing Drum Tower Hospital, Nanjing 210009, China.
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Simultaneous Pharmacokinetic Evaluation of Pantoprazole and Vitamin B Complex for Assessing Drug–Drug Interactions in Healthy Bangladeshi Adults by a Newly Developed and Validated HPLC Method. SEPARATIONS 2023. [DOI: 10.3390/separations10030170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023] Open
Abstract
The present study has been designed to evaluate the impact of the co-administration of pantoprazole (PNT) with vitamin B (VTB) complex (VTB comprising VTB1, VTB6, and VTB12 in this study) on pharmacokinetic behavior. In this study, HPLC-based sensitive and efficient methods for simultaneous determination in human plasma were developed per US-FDA bioanalytical standards. The pharmacokinetic parameters of PNT, VTB1, VTB6, and VTB12 were also evaluated when the medicines were administered alone and co-administered. Following linearity, it was observed that the plasma PNT, VTB1, VTB6, and VTB12 retention times were 6.8 ± 0.2, 2.7 ± 0.1, 5.5 ± 0.2, and 3.8 ± 0.1 min, respectively, over the range of 1−100 μg/mL. For all analytes at the lower limit of quantification and all other values, intra-assay and inter-assay bias were within 15% and 13.5%, respectively. They barely interacted when PNT and VTB samples were evaluated in physical combinations through in vitro tests. Moreover, in the pharmacokinetics study, treatment with VTB did not significantly alter the pharmacokinetic characteristics of PNT. Therefore, the current work’s results might help assess drug–drug interactions that may be applied to bioequivalence studies and therapeutic drug monitoring.
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