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Zahr NM. Race explains substantial variance in whole blood thiamine diphosphate concentrations. Nutr Res 2024; 126:138-150. [PMID: 38696890 PMCID: PMC11179978 DOI: 10.1016/j.nutres.2024.03.011] [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: 10/16/2023] [Revised: 03/21/2024] [Accepted: 03/21/2024] [Indexed: 05/04/2024]
Abstract
Deficiency for thiamine (vitamin B1), traditionally assessed via the activity of the thiamine-dependent enzyme erythrocyte transketolase, has been reported in individuals with alcohol use disorder (AUD) and in people with HIV; concentrations of the metabolically active diphosphate form, however, have yet to be reported in HIV cohorts and results in AUD are equivocal. In this cross-sectional study, samples from 170 AUD, 130 HIV, and 100 healthy control individuals were analyzed to test the hypothesis that AUD and HIV groups relative to healthy controls would show low whole blood thiamine diphosphate (TDP) concentrations related to peripheral neuropathy. TDP concentrations were not different in the 3 study groups (P = .6141) but were lower in Black (n = 172) relative to White (n = 155) individuals (P < .0001) regardless of group. In a multiple regression, race relative to diagnoses explained more than 10 times the variance in whole blood TDP concentrations (F4,395 = 3.5, P = .0086; r2 = 15.1]. Performance on a measure of peripheral neuropathy (2-point discrimination) was worse in the HIV and AUD cohorts relative to the healthy control group (P < .0001) but was not associated with TDP concentrations. These findings suggest that Black individuals carry a heightened vulnerability for low whole blood TDP concentrations, but the clinical significance and mechanisms underlying these results remain to be determined.
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Affiliation(s)
- Natalie M Zahr
- Department of Psychiatry & Behavioral Sciences, Stanford University, School of Medicine, Stanford, CA 94305, USA; Neuroscience Program, SRI International, Menlo Park, CA, 94025, USA.
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2
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Dauny V, Lyoubi A, De Broucker T. [Focal neurological deficits and livedo]. Rev Med Interne 2023; 44:45-47. [PMID: 36596621 DOI: 10.1016/j.revmed.2022.07.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 07/13/2022] [Accepted: 07/27/2022] [Indexed: 12/24/2022]
Affiliation(s)
- V Dauny
- Service de neurologie, Centre hospitalier de Saint-Denis, 93200 Saint-Denis, France; Faculté de médecine Sorbonne Université, Paris, France.
| | - A Lyoubi
- Service de neurologie, Centre hospitalier de Saint-Denis, 93200 Saint-Denis, France
| | - T De Broucker
- Service de neurologie, Centre hospitalier de Saint-Denis, 93200 Saint-Denis, France
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3
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Naqvi SS, Anwar H, Siddiqui A, Shah MR. Sensitive and highly selective colorimetric biosensing of vitamin-C and vitamin-B1 by flavoring agent-based silver nanoparticles. J Biol Inorg Chem 2022; 27:471-483. [PMID: 35821138 DOI: 10.1007/s00775-022-01944-5] [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: 01/30/2022] [Accepted: 06/07/2022] [Indexed: 11/25/2022]
Abstract
A sensitive scheme was established for the detection of vitamin C (Ascorbic acid) and vitamin B1 (Thiamin HCl) using Maltol capped AgNPs (McAgNPs) as colorimetric sensor. The designed scheme showed an instant alteration in color from yellow to orange and green for vitamin-C and vitamin B1 sequentially. The probe was sensitive in a concentration range of (0-1 µM) with limit of detection 0.064 and 0.038 µM for vitamin C and vitamin B1 sequentially. The interaction mechanism between vitamin C and vitamin B1 and McAgNPs was evaluated by visible spectroscopy, FTIR, and AFM. Vitamin C attaches on the surface of nanoparticles by C=O group, while OH, C-S-C, and NH2 groups are involved in the binding of vitamin B1 with McAgNPs. The Vit-C/Vit-B1-McAgNPs complexes were stable over a wide range of pHs. The size of McAgNPs increased after the interaction of vitamin C/vitamin B1 from 30-40 nm to 500 and 400 nm sequentially. The scheme was successfully applied for the detection of vitamin C and vitamin B1 in urine, plasma, water, and commercial pharmaceutical tablets with good recoveries. The scheme was ascertained to be more sensitive than many other formerly described schemes.
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Affiliation(s)
- Syeda Sumra Naqvi
- Department of Chemistry, Federal Urdu University of Arts, Science and Technology, Gulshan-E-Iqbal Campus, Karachi, 75300, Pakistan.
| | - Humera Anwar
- Department of Chemistry, Federal Urdu University of Arts, Science and Technology, Gulshan-E-Iqbal Campus, Karachi, 75300, Pakistan
| | - Asma Siddiqui
- Department of Chemistry, Federal Urdu University of Arts, Science and Technology, Gulshan-E-Iqbal Campus, Karachi, 75300, Pakistan
| | - Muhammad Raza Shah
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan
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UshaVipinachandran V, Rajendran S, Ali H, Ashokan I, Bhunia SK. Citrate capped silver nanoparticles as instantaneous colorimetric selective sensor for neomycin and thiamine in wastewater. NEW J CHEM 2022. [DOI: 10.1039/d2nj02174a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
As the usage of antibiotics and vitamin tablets become more widespread, detrimental impacts on living beings are increasing by swallowing polluted water contaminated with drug residues. Because of the emergence...
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Evaluating the effects of different processing methods on the nutritional composition of shrimp and the antioxidant activity of shrimp powder. Saudi J Biol Sci 2022; 29:640-649. [PMID: 35002461 PMCID: PMC8717169 DOI: 10.1016/j.sjbs.2021.09.029] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 09/09/2021] [Accepted: 09/12/2021] [Indexed: 11/24/2022] Open
Abstract
Shrimp is a prevalent food in the Arabian Gulf that is known for its good sensory properties and high nutritional value. The aim of the present work was to assess the effects of diverse processing methods on the nutritional composition of shrimp and the antioxidant activity of shrimp powder. Shrimp (Penaeus semisulcatus) flesh was treated using four processes (salting, frying, grilling, and boiling), following which its macronutrient content, fatty acid profile, vitamins and mineral contents were measured. Also, the antioxidant activity of all shrimp powder extracts was assessed using the 2, 2 diphenyl 1 picrylhydrazyl (DPPH), linoleic acid oxidation inhibition, and reducing power methods. The results revealed that the fresh and processed shrimp flesh had significant nutritional value and the fresh and treated shrimp powders have high antioxidant activity, but the cooking processes have significant effects on the nutritional value and antioxidant activity of shrimp flesh. These effects were greater significantly in grilled shrimp followed by boiled shrimp and then fried shrimp. It is concluded that the high nutritional value and antioxidant activity of shrimp flesh make it an important food for nutritional health promotion for the community.
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Hiding in Plain Sight: Modern Thiamine Deficiency. Cells 2021; 10:cells10102595. [PMID: 34685573 PMCID: PMC8533683 DOI: 10.3390/cells10102595] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/22/2021] [Accepted: 09/23/2021] [Indexed: 12/13/2022] Open
Abstract
Thiamine or vitamin B1 is an essential, water-soluble vitamin required for mitochondrial energetics—the production of adenosine triphosphate (ATP). It is a critical and rate-limiting cofactor to multiple enzymes involved in this process, including those at the entry points and at critical junctures for the glucose, fatty acid, and amino acid pathways. It has a very short half-life, limited storage capacity, and is susceptible to degradation and depletion by a number of products that epitomize modern life, including environmental and pharmaceutical chemicals. The RDA for thiamine is 1.1–1.2 mg for adult females and males, respectively. With an average diet, even a poor one, it is not difficult to meet that daily requirement, and yet, measurable thiamine deficiency has been observed across multiple patient populations with incidence rates ranging from 20% to over 90% depending upon the study. This suggests that the RDA requirement may be insufficient to meet the demands of modern living. Inasmuch as thiamine deficiency syndromes pose great risk of chronic morbidity, and if left untreated, mortality, a more comprehensive understanding thiamine chemistry, relative to energy production, modern living, and disease, may prove useful.
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The Potential of a Site-Specific Delivery of Thiamine Hydrochloride as a Novel Insect Repellent Exerting Long-Term Protection on Human Skin: In-vitro, Ex-vivo Study and Clinical Assessment. J Pharm Sci 2021; 110:3659-3669. [PMID: 34358530 DOI: 10.1016/j.xphs.2021.07.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 07/31/2021] [Accepted: 07/31/2021] [Indexed: 11/20/2022]
Abstract
Thiamine hydrochloride (TH) was thought to exert a good insect repellent activity. The purpose of this work was to develop a formulation that releases TH in sustained regimen on human skin. Long lasting protection against mosquito bites was achieved. Pullulan acetate (PA) was used to prepare TH nanospheres. Optimal system was incorporated in Pluronic® hydrogel. Formulae were tested for in-vitro release and ex-vivo permeation. Complete protection time (CPT) was done adopting Kaplan-Meier survival function for the synthetic repellent (DEET), TH solution and nanospheres in hydrogel. Release profile of TH solution, nanospheres and nanosphere-loaded hydrogel (DG) demonstrated an added effect of DG, where t 1/2 was 11.2 ± 1.4 h. SEM for DG showed homogenous dispersion of nanospheres inside the matrix of the gel. Ex-vivo permeation showed only 0.761 ± 0.04% of TH in hydrogel permeated the skin after 12 h, while 44.98 ± 3.2% permeated when TH solution was applied. Clinical study revealed a significant difference in CPT between TH solution with either DEET or (DG) (p<0.05), and no significant difference between DEET and DG with CPT 400 ± 31 and 360 ± 18 min, respectively (P > 0.05). The high efficacy of TH-loaded hydrogel rendered it a successful alternative for DEET, offering long protection against mosquito bites.
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Yamabe S, Tsuchida N, Yamazaki S. How is vitamin B1 oxidized to thiochrome? Elementary processes revealed by a DFT study. Org Biomol Chem 2021; 19:4529-4536. [PMID: 33929469 DOI: 10.1039/d1ob00677k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The oxidation reaction of thiamine (vitamin B1) to thiochrome was investigated by DFT calculations. Three reaction systems, [A] thiamine + methyl peroxy radical + (H2O)8, [B] thiamine + cyanogen bromide + HO-(H2O)8 and [C] thiamine + mercury(ii) chloride + HO-(H2O)8, were investigated. wB97X-D/6-311+G** for [A] and [B] and wB97X-D/SDD&6-311(+)G** for [C] geometry optimizations were carried out with the solvent effect (water). The effect is of the self-consistent reaction field (SCRF) with the polarizable continuum model (PCM). In [A], the H3C-O2˙ adduct of thiamine undergoes simultaneous cleavage of the C-H and O-O bonds, leading to a very stable 2(3H)-thiazolone intermediate. The same intermediate was obtained after the cleavage of the C-H and O-H bonds of the HO adduct of thiamine in [B] and [C]. After the formation of the key intermediate, the N-protonated thiochrome was afforded via three steps. In reflection of the water-soluble character of vitamin B1, proton transfers along hydrogen bonds of the water cluster enhance those steps.
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Affiliation(s)
- Shinichi Yamabe
- Department of Chemistry, Nara University of Education, Takabatake-cho, Nara 630-8528, Japan.
| | - Noriko Tsuchida
- Department of Liberal Arts, Faculty of Medicine, Saitama Medical University, 38 Morohongo, Moroyama-machi, Iruma-gun, Saitama 350-0495, Japan
| | - Shoko Yamazaki
- Department of Chemistry, Nara University of Education, Takabatake-cho, Nara 630-8528, Japan.
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Du X, Cheng X, Li W, Ge Z, Zhong C, Fan C, Gu H. Engineering Allosteric Ribozymes to Detect Thiamine Pyrophosphate in Whole Blood. Anal Chem 2021; 93:4277-4284. [PMID: 33635634 DOI: 10.1021/acs.analchem.0c05276] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Thiamine deficiency contributes to several human diseases including Alzheimer's. As its biologically active form, thiamine pyrophosphate (TPP) has been considered as a potential biomarker for Alzheimer's disease (AD) based on several clinical reports that apparently lower blood TPP levels were found in patients with mild cognitive impairment to AD. However, highly sensitive and high-throughput detection of TPP in biological fluids remains an analytical challenge. Here, we report engineering RNA-based sensors to quantitatively measure TPP concentrations in whole blood samples with a detection limit down to a few nM. By fusing a TPP-specific aptamer with the hammerhead ribozyme for in vitro selection, we isolated an allosteric ribozyme with an EC50 value (68 nM) similar to the aptamer's KD value (50 nM) for TPP, which for the first time demonstrates the possibility to maintain the effector binding affinity of the aptamer in such engineered allosteric RNA constructs. Meanwhile, we developed a new blood sample preparation protocol to be compatible with RNA. By coupling the TPP-induced ribozyme cleavage event with isothermal amplification, we achieved fluorescence monitoring of whole blood TPP levels through the "mix-and-read" operation with high-throughput potential. We expect that the engineered TPP-sensing RNAs will facilitate clinical research on AD as well as other thiamine-related diseases.
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Affiliation(s)
- Xinyu Du
- Fudan University Shanghai Cancer Center, and the Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Shanghai Stomatological Hospital, Fudan University, Shanghai 200032, China.,Department of Neurology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Xiaoqin Cheng
- Department of Neurology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Wei Li
- Fudan University Shanghai Cancer Center, and the Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Shanghai Stomatological Hospital, Fudan University, Shanghai 200032, China.,Department of Neurology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Zhilei Ge
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Chunjiu Zhong
- Department of Neurology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Chunhai Fan
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Hongzhou Gu
- Fudan University Shanghai Cancer Center, and the Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Shanghai Stomatological Hospital, Fudan University, Shanghai 200032, China.,Department of Neurology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai 200032, China
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10
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Zou H, Zhang Y, Zhang C, Sheng R, Zhang X, Qi Y. Fluorometric Detection of Thiamine Based on Hemoglobin-Cu 3(PO 4) 2 Nanoflowers (NFs) with Peroxidase Mimetic Activity. SENSORS (BASEL, SWITZERLAND) 2020; 20:E6359. [PMID: 33171820 PMCID: PMC7664642 DOI: 10.3390/s20216359] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/29/2020] [Accepted: 11/04/2020] [Indexed: 12/17/2022]
Abstract
Component analysis plays an important role in food production, pharmaceutics and agriculture. Nanozymes have attracted wide attention in analytical applications for their enzyme-like properties. In this work, a fluorometric method is described for the determination of thiamine (TH) (vitamin B1) based on hemoglobin-Cu3(PO4)2 nanoflowers (Hb-Cu3(PO4)2 NFs) with peroxidase-like properties. The Hb-Cu3(PO4)2 NFs catalyzed the decomposition of H2O2 into ·OH radicals in an alkaline solution that could efficiently react with nonfluorescent thiamine to fluoresce thiochrome. The fluorescence of thiochrome was further enhanced with a nonionic surfactant, Tween 80. Under optimal reaction conditions, the linear range for thiamine was from 5 × 10-8 to 5 × 10-5 mol/L. The correlation coefficient for the calibration curve and the limit of detection (LOD) were 0.9972 and 4.8 × 10-8 mol/L, respectively. The other vitamins did not bring about any obvious changes in fluorescence. The developed method based on hybrid nanoflowers is specific, pragmatically simple and sensitive, and has potential for application in thiamine detection.
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Affiliation(s)
| | | | | | | | | | - Yanfei Qi
- School of Public Health, Jilin University, Changchun 130021, Jilin, China; (H.Z.); (Y.Z.); (C.Z.); (R.S.); (X.Z.)
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Kolawole FL, Balogun MA, Oyeyinka SA, Adejumo RO, Sanni‐Olayiwola HO. Effect of processing methods on the chemical composition and bio‐accessibility of beta‐carotene in orange‐fleshed sweet potato. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14538] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Fausat L. Kolawole
- Department of Home Economics and Food ScienceUniversity of Ilorin Ilorin Nigeria
| | - Mutiat A. Balogun
- Department of Home Economics and Food ScienceUniversity of Ilorin Ilorin Nigeria
| | - Samson A. Oyeyinka
- Department of Home Economics and Food ScienceUniversity of Ilorin Ilorin Nigeria
- School of Agriculture and Food TechnologyAlafua CampusUniversity of the South Pacific Suva Fiji
| | - Raheemat O. Adejumo
- Department of Home Economics and Food ScienceUniversity of Ilorin Ilorin Nigeria
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Ehsanian R, Anderson S, Schneider B, Kennedy D, Mansourian V. Prevalence of Low Plasma Vitamin B1 in the Stroke Population Admitted to Acute Inpatient Rehabilitation. Nutrients 2020; 12:nu12041034. [PMID: 32290066 PMCID: PMC7230706 DOI: 10.3390/nu12041034] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/01/2020] [Accepted: 04/07/2020] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVE To determine the prevalence of vitamin B1 (VitB1) deficiency in the stroke population admitted to acute inpatient rehabilitation. DESIGN Retrospective cohort study. SETTING Acute inpatient rehabilitation facility at an academic medical center. PARTICIPANTS 119 consecutive stroke patients admitted to stroke service from 1 January 2018 to 31 December 2018. INTERVENTIONS Not applicable. MAIN OUTCOME MEASURES Plasma VitB1 level. RESULTS There were 17 patients (14%; 95% CI 9-22%) with low VitB1 with a range of 2-3 nmol/L, an additional 58 (49%; CI 40-58%) patients had normal low VitB1 with a range of 4-9 nmol/L, twenty-five patients (21%; CI 15-29%) had normal high VitB1 with a range of 10-15 nmol/L, and nineteen patients (16%; CI 10-24%) had high VitB1 with a range of 16-43 nmol/L. CONCLUSIONS In this cohort of patients admitted to the stroke service at an acute rehabilitation facility, there is evidence of thiamine deficiency. Moreover, the data suggest that there is inadequate acute intake of VitB1. Given the role of thiamine deficiency in neurologic function, further study of the role of thiamine optimization in the acute stroke rehabilitation population is warranted.
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Affiliation(s)
- Reza Ehsanian
- Department of Physical Medicine and Rehabilitation, Vanderbilt University, Nashville, TN 37212, USA; (R.E.); (S.A.); (B.S.); (D.K.)
- Department of Neurosurgery, Stanford University, Palo Alto, CA 34304, USA
- Division of Physical Medicine and Rehabilitation, Department of Neurosurgery, University of New Mexico School of Medicine, Albuquerque, NM 87131, USA
| | - Sean Anderson
- Department of Physical Medicine and Rehabilitation, Vanderbilt University, Nashville, TN 37212, USA; (R.E.); (S.A.); (B.S.); (D.K.)
| | - Byron Schneider
- Department of Physical Medicine and Rehabilitation, Vanderbilt University, Nashville, TN 37212, USA; (R.E.); (S.A.); (B.S.); (D.K.)
| | - David Kennedy
- Department of Physical Medicine and Rehabilitation, Vanderbilt University, Nashville, TN 37212, USA; (R.E.); (S.A.); (B.S.); (D.K.)
| | - Vartgez Mansourian
- Department of Physical Medicine and Rehabilitation, Vanderbilt University, Nashville, TN 37212, USA; (R.E.); (S.A.); (B.S.); (D.K.)
- Correspondence: ; Tel.: +615-936-7708
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Brezo-Borjan T, Stojanović Z, Suturović Z, Kos J, Kravić S, Đurović A. A simple adsorptive chronopotentiometric stripping method for determination of vitamin B1 in pharmaceutical products. MONATSHEFTE FUR CHEMIE 2020. [DOI: 10.1007/s00706-020-02567-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Verstraete J, Strobbe S, Van Der Straeten D, Stove C. The First Comprehensive LC-MS/MS Method Allowing Dissection of the Thiamine Pathway in Plants. Anal Chem 2020; 92:4073-4081. [PMID: 32056423 DOI: 10.1021/acs.analchem.9b05717] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Arabidopsis thaliana serves as a model plant for genetic research, including vitamin research. When aiming at engineering the thiamine (vitamin B1) pathway in plants, the availability of tools that allow the quantitative determination of different intermediates in the biosynthesis pathway is of pivotal importance. This is a challenge, given the nature of the compounds and the minute quantities of genetically engineered material that may be available for analysis. Here, we report on the first LC-MS/MS method for the simultaneous quantification of thiamine, its mono- and diphosphate derivatives and its precursors 4-methyl-5-(2-hydroxyethyl) thiazole (HET) and 4-amino-2-methyl-5-hydroxymethylpyrimidine (HMP). This method was optimized and validated for the quantitative determination of these analytes in Arabidopsis thaliana. All analytes were chromatographically separated within less than 2.5 min during an 8 min run. No unacceptable interferences were found. The method was fully validated based on international guidelines. Accuracy (%bias) and total imprecision (%CV) were within preset acceptance criteria for all analytes in both QC and real samples. All analytes were stable in extracted samples when stored for 48 h at 4 °C (autosampler stability) and when reanalyzed after storage at -80 °C and -20 °C for 2 weeks (freeze/thaw stability). We demonstrated the start material should be stored at -80 °C to ensure stability of all analytes during short- and long-term storage (up to 3 months). The validity and applicability of the developed procedure was demonstrated via its successful application on Arabidopsis lines, genetically engineered to enhance thiamine content.
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Affiliation(s)
- Jana Verstraete
- Laboratory of Toxicology, Department of Bioanalysis, Ghent University, Ottergemsesteenweg 460, B-9000 Ghent, Belgium
| | - Simon Strobbe
- Laboratory of Functional Plant Biology, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, B-9000 Ghent, Belgium
| | - Dominique Van Der Straeten
- Laboratory of Functional Plant Biology, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, B-9000 Ghent, Belgium
| | - Christophe Stove
- Laboratory of Toxicology, Department of Bioanalysis, Ghent University, Ottergemsesteenweg 460, B-9000 Ghent, Belgium
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Stability-indicating HPLC-PDA assay for simultaneous determination of paracetamol, thiamine and pyridoxal phosphate in tablet formulations. ACTA PHARMACEUTICA (ZAGREB, CROATIA) 2019; 69:249-259. [PMID: 31259722 DOI: 10.2478/acph-2019-0017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 11/12/2018] [Indexed: 01/19/2023]
Abstract
With the increased number of multi-drug formulations, there is a need to develop new methods for simultaneous determinations of drugs. A precise, accurate and reliable liquid chromatographic method was developed for simultaneous determination of paracetamol, thiamine, and pyridoxal phosphate in pharmaceutical formulations. Separation of analytes was carried out with an Agilent Poroshell C18 column. A mixture of ammonium phosphate buffer (pH = 3.0), acetonitrile and methanol in the ratio of 86:7:7 (V/V/V) was used as the mobile phase pumped at a flow rate of 1.8 mL min-1. Detection of all three components, impurities and degradation products was performed at the selected wavelength of 270 nm. The developed method was validated in terms of linearity, specificity, precision, accuracy, LOD and LOQ as per ICH guidelines. Linearity of the developed method was found in the range 17.5-30 µg mL-1 for thiamine, 35-60 µg mL-1 for pyridoxal phosphate and 87.5-150 µg mL-1 for paracetamol. The coefficient of determination was ≥ 0.9981 for all three analytes. The proposed HPLC method was found to be simple and reliable for the routine simultaneous analysis of paracetamol, thiamine and pyridoxal phosphate in tablet formulations. Complete separation of analytes in the presence of degradation products indicated selectivity of the method.
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Evliyaoglu O, van Helden J, Imöhl M, Weiskirchen R. Vitamin B1 interpretation: Erroneous higher levels in non-anemic populations. Nutrition 2019; 60:25-29. [DOI: 10.1016/j.nut.2018.09.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 08/14/2018] [Accepted: 09/03/2018] [Indexed: 02/06/2023]
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Pourhassan M, Biesalski HK, Angersbach B, Lueg G, Klimek C, Wirth R. Prevalence of thiamine deficiency in older hospitalized patients. Clin Interv Aging 2018; 13:2247-2250. [PMID: 30464433 PMCID: PMC6220429 DOI: 10.2147/cia.s183102] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Purpose Despite some reports of high prevalence of thiamine deficiency in elderly people, the reported prevalence is controversial mainly due to the methods used in assessing thiamin concentrations. In this study, we sought to investigate the prevalence of vitamin B1 deficiency, using the high-performance liquid chromatography (HPLC) method, among older hospitalized patients. Patients and methods This cross-sectional study retrospectively analyzed the results of routine measurements of vitamin B1 of 238 older patients who were consecutively hospitalized to a geriatric acute care ward. Whole blood vitamin B1 concentrations were measured using the HPLC method at hospital admission, and the whole blood vitamin B1 level of <20 ng/mL was considered as deficiency. Results Of 238 patients, with a mean age of 82.1±7.1 years, 63% of patients were women. In total, the mean whole blood vitamin B1 level was 66.1±24.8 ng/mL (range 29.5-215 ng/mL), indicating no vitamin B1 deficiency in the entire population. In addition, no significant differences in the mean whole blood vitamin B1 concentrations between sexes were observed (P=0.356). Conclusion This study indicates that the mean whole blood vitamin B1 concentrations using the HPLC method were within the normal range in older hospitalized patients suggesting that thiamine deficiency appears to be rather uncommon among these patients.
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Affiliation(s)
- Maryam Pourhassan
- Department of Geriatric Medicine, Marien Hospital Herne, Ruhr-University Bochum, Herne, Germany,
| | - Hans Konrad Biesalski
- Institute of Biological Chemistry and Nutritional Science, University of Hohenheim, Stuttgart, Germany
| | - Bjoern Angersbach
- Department of Geriatric Medicine, Marien Hospital Herne, Ruhr-University Bochum, Herne, Germany,
| | - Gero Lueg
- Department of Geriatric Medicine, Marien Hospital Herne, Ruhr-University Bochum, Herne, Germany,
| | - Christiane Klimek
- Department of Geriatric Medicine, Marien Hospital Herne, Ruhr-University Bochum, Herne, Germany,
| | - Rainer Wirth
- Department of Geriatric Medicine, Marien Hospital Herne, Ruhr-University Bochum, Herne, Germany,
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Cheng X, Ma D, Fei G, Ma Z, Xiao F, Yu Q, Pan X, Zhou F, Zhao L, Zhong C. A single-step method for simultaneous quantification of thiamine and its phosphate esters in whole blood sample by ultra-performance liquid chromatography-mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1095:103-111. [PMID: 30056266 DOI: 10.1016/j.jchromb.2018.07.030] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 07/16/2018] [Accepted: 07/21/2018] [Indexed: 10/28/2022]
Abstract
Thiamine and its phosphate esters play vital physiological roles and thiamine deficiency causes deleterious effects on human body. It is important to quantify accurately the thiamine metabolites in body fluids. However, due to the lack of appropriate internal standards, poor inter-laboratory standardization and time-consuming pretreatment procedure, the existing methods are limited in clinical applications. Hence, we developed a single-step HPLC-MS/MS method for accurate and precise measurement of thiamine and its phosphate esters in human whole blood. Whole blood samples were deproteinized and the supernatants were collected. The levels of thiamine diphosphate (TDP), thiamine monophosphate (TMP), and thiamine were determined by HPLC-MS/MS method after adding isotopic internal standards. The method was linear from 15.625-3.125-1.563 nmol/L to 1000-200-100 nmol/L for TDP-TMP-thiamine. The lower limit of quantification was 15.625-3.125-1.563 nmol/L. The intra-day and inter-day precisions and accuracy for all QCs samples were ≤15.9% and ≤11.1%, respectively. The matrix effect was not significant. Recoveries were 103.7% for TDP, 102.7% for TMP, and 105.3% for thiamine. All QCs were stable for three freeze-thaw cycles, or at room temperature for 3 h, or at -80 °C for 15 days. We compared this new method with an established HPLC method based on derivatization of thiamine metabolites. It is found that this method correlated well with HPLC method for TDP determination (R2 = 0.93). However, the correlation was not ideal for TMP (R2 = 0.40) or thiamine (R2 = 0.72) determination. Subject's diet was shown to have no significant effect on the concentrations of thiamine metabolites in their blood samples. To conclude, we developed a single-step, non-derivatization HPLC-MS/MS method that can detect thiamine and its phosphate esters in human whole blood accurately and quickly.
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Affiliation(s)
- Xiaoqin Cheng
- Department of Neurology, Zhongshan Hospital, State Laboratory of Medical Neurobiology, Institutes of Brain Science, Collaborative Innovation Center for Brain Science, Fudan university, Shanghai, China
| | - Dong Ma
- Department of Neurology, Zhongshan Hospital, State Laboratory of Medical Neurobiology, Institutes of Brain Science, Collaborative Innovation Center for Brain Science, Fudan university, Shanghai, China; Academy of Forensic Science, Shanghai 200063, China
| | - Guoqiang Fei
- Department of Neurology, Zhongshan Hospital, State Laboratory of Medical Neurobiology, Institutes of Brain Science, Collaborative Innovation Center for Brain Science, Fudan university, Shanghai, China
| | - Zhengyao Ma
- Department of Clinical Laboratory, Zhongshan Hospital, Fudan university, Shanghai, China
| | - Feng Xiao
- Shanghai Institute of Pharmaceutical Industry, Shanghai, China
| | - Qiujian Yu
- Department of Neurology, Zhongshan Hospital, State Laboratory of Medical Neurobiology, Institutes of Brain Science, Collaborative Innovation Center for Brain Science, Fudan university, Shanghai, China
| | - Xiaoli Pan
- Department of Neurology, Zhongshan Hospital, State Laboratory of Medical Neurobiology, Institutes of Brain Science, Collaborative Innovation Center for Brain Science, Fudan university, Shanghai, China
| | - Feng Zhou
- Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Lei Zhao
- Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Chunjiu Zhong
- Department of Neurology, Zhongshan Hospital, State Laboratory of Medical Neurobiology, Institutes of Brain Science, Collaborative Innovation Center for Brain Science, Fudan university, Shanghai, China.
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Zhang H, Chen H, Li H, Pan S, Ran Y, Hu X. Construction of a novel turn-on-off fluorescence sensor used for highly selective detection of thiamine via its quenching effect on o-phen-Zn 2+ complex. LUMINESCENCE 2018; 33:1128-1135. [PMID: 30004173 DOI: 10.1002/bio.3519] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Revised: 05/08/2018] [Accepted: 05/26/2018] [Indexed: 11/06/2022]
Abstract
In this work, a simple and selective fluorescence sensor approach called 'turn-on-off' for the determination of thiamine (TM) has been developed. As known, the o-phenanthroline (o-phen) has inner fluorescence, though when reacted with zinc ions to form the o-phen-Zn2+ complex the fluorescence intensity was enhanced effectively, while upon addition of TM into the o-phen-Zn2+ complex solution, the intensity of the system was gently quenched, which was termed the 'turn-on-off' probe. Notably, the method possessed highly selective, sensitive determination for TM with a detection limit of 0.25 μmol L-1 and the reduced fluorescence intensity was proportional to the concentration of TM in the range 0.84-80.0 μmol L-1 . Besides, the proposed mechanism was also investigated through exploring the Fourier transform infrared (FT-IR), nuclear magnetic resonance (NMR) spectroscopy. Furthermore, this manner was successfully applied into practical samples for TM detection with satisfactory results.
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Affiliation(s)
- Hui Zhang
- Key Laboratory of Luminescent and Real-time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, P. R. China
| | - Hongyun Chen
- Key Laboratory of Luminescent and Real-time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, P. R. China
| | - Hongxi Li
- Key Laboratory of Luminescent and Real-time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, P. R. China
| | - Shuang Pan
- Key Laboratory of Luminescent and Real-time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, P. R. China
| | - Yalin Ran
- Key Laboratory of Luminescent and Real-time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, P. R. China
| | - Xiaoli Hu
- Key Laboratory of Luminescent and Real-time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, P. R. China
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20
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Leite HP, de Lima LFP, Taddei JADAC, Paes ÂT. Effect of blood thiamine concentrations on mortality: Influence of nutritional status. Nutrition 2017; 48:105-110. [PMID: 29469010 DOI: 10.1016/j.nut.2017.11.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 11/01/2017] [Accepted: 11/14/2017] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To test the hypothesis that low blood thiamine concentrations in malnourished critically ill children are associated with higher risk of 30-d mortality. METHODS Prospective cohort study in 202 consecutively admitted children who had whole blood thiamine concentrations assessed on admission and on days 5 and 10 of intensive care unit (ICU) stay. The primary outcome variable was 30-d mortality. Mean blood thiamine concentrations within the first 10 d of ICU stay, age, sex, malnutrition, C-reactive protein concentration, Pediatric Index of Mortality 2 score, and severe sepsis/septic shock were the main potential exposure variables for outcome. RESULTS Thiamine deficiency was detected in 61 patients within the first 10 d of ICU stay, 57 cases being diagnosed on admission and 4 new cases on the 5th d. C-reactive protein concentration during ICU stay was independently associated with decreased blood thiamine concentrations (P = 0.003). There was a significant statistical interaction between mean blood thiamine concentrations and malnutrition on the risk of 30-d mortality (P = 0.002). In an adjusted analysis, mean blood thiamine concentrations were associated with a decrease in the mortality risk in malnourished patients (odds ratio = 0.85; 95% confidence interval [CI]: 0.73-0.98; P = 0.029), whereas no effect was noted for well-nourished patients (odds ratio: 1.03; 95% CI: 0.94-1.13; P = 0.46). CONCLUSIONS Blood thiamine concentration probably has a protective effect on the risk of 30-d mortality in malnourished patients but not in those who were well nourished.
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Affiliation(s)
- Heitor Pons Leite
- Discipline of Nutrition and Metabolism, Department of Pediatrics, Federal University of São Paulo, São Paulo, Brazil.
| | | | - José Augusto de A C Taddei
- Discipline of Nutrition and Metabolism, Department of Pediatrics, Federal University of São Paulo, São Paulo, Brazil
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Collie JTB, Greaves RF, Jones OAH, Lam Q, Eastwood GM, Bellomo R. Vitamin B1 in critically ill patients: needs and challenges. Clin Chem Lab Med 2017; 55:1652-1668. [PMID: 28432843 DOI: 10.1515/cclm-2017-0054] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Accepted: 03/21/2017] [Indexed: 11/15/2022]
Abstract
BACKGROUND Thiamine has a crucial role in energy production, and consequently thiamine deficiency (TD) has been associated with cardiac failure, neurological disorders, oxidative stress (lactic acidosis and sepsis) and refeeding syndrome (RFS). This review aims to explore analytical methodologies of thiamine compound quantification and highlight similarities, variances and limitations of current techniques and how they may be relevant to patients. CONTENT An electronic search of Medline, PubMed and Embase databases for original articles published in peer-reviewed journals was conducted. MethodsNow was used to search for published analytical methods of thiamine compounds. Keywords for all databases included "thiamine and its phosphate esters", "thiamine methodology" and terms related to critical illness. Enquiries were also made to six external quality assurance (EQA) programme organisations for the inclusion of thiamine measurement. SUMMARY A total of 777 published articles were identified; 122 were included in this review. The most common published method is HPLC with florescence detection. Two of the six EQA organisations include a thiamine measurement programme, both measuring only whole-blood thiamine pyrophosphate (TPP). No standard measurement procedure for thiamine compound quantification was identified. OUTLOOK Overall, there is an absence of standardisation in measurement methodologies for thiamine in clinical care. Consequently, multiple variations in method practises are prohibiting the comparison of study results as they are not traceable to any higher order reference. Traceability of certified reference materials and reference measurement procedures is needed to provide an anchor to create the link between studies and help bring consensus on the clinical importance of thiamine.
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22
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Determination of the native forms of vitamin B1 in bovine milk using a fast and simplified UHPLC method. Food Chem 2017; 229:452-457. [DOI: 10.1016/j.foodchem.2017.02.092] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 12/05/2016] [Accepted: 02/17/2017] [Indexed: 11/20/2022]
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23
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Recent trends in determination of thiamine and its derivatives in clinical practice. J Chromatogr A 2017; 1510:1-12. [DOI: 10.1016/j.chroma.2017.06.048] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2017] [Revised: 06/14/2017] [Accepted: 06/15/2017] [Indexed: 02/06/2023]
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McCann A, Midttun Ø, Whitfield KC, Kroeun H, Borath M, Sophonneary P, Ueland PM, Green TJ. Comparable Performance Characteristics of Plasma Thiamine and Erythrocyte Thiamine Diphosphate in Response to Thiamine Fortification in Rural Cambodian Women. Nutrients 2017; 9:nu9070676. [PMID: 28661435 PMCID: PMC5537791 DOI: 10.3390/nu9070676] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 06/19/2017] [Accepted: 06/24/2017] [Indexed: 11/28/2022] Open
Abstract
Background: Traditionally, vitamin B1 status is assessed by a functional test measuring erythrocyte transketolase (ETK) activity or direct measurement of erythrocyte thiamine diphosphate (eThDP) concentration. However, such analyses are logistically challenging, and do not allow assessment of vitamin B1 status in plasma/serum samples stored in biobanks. Using a multiplex assay, we evaluated plasma concentrations of thiamine and thiamine monophosphate (TMP), as alternative, convenient measures of vitamin B1 status. Methods: We investigated the relationships between the established biomarker eThDP and plasma concentrations of thiamine and TMP, and compared the response of these thiamine forms to thiamine fortification using samples from 196 healthy Cambodian women (aged 18–45 years.). eThDP was measured by high performance liquid chromatography with fluorescence detection (HPLC-FLD) and plasma thiamine and TMP by high performance liquid chromatography-tandem mass spectrometry (LC-MS/MS). Results: Plasma thiamine and TMP correlated significantly with eThDP at baseline and study-end (p < 0.05). Among the fortification groups, the strongest response was observed for plasma thiamine (increased by 266%), while increases in plasma TMP (60%) and eThDP (53%) were comparable. Conclusions: Plasma thiamine and TMP correlated positively with eThDP, and all thiamine forms responded significantly to thiamine intervention. Measuring plasma concentrations of thiamine forms is advantageous due to convenient sample handling and capacity to develop low volume, high-throughput, multiplex assays.
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Affiliation(s)
- Adrian McCann
- Bevital AS, Laboratoriebygget Bergen, 5021 Bergen, Norway.
| | - Øivind Midttun
- Bevital AS, Laboratoriebygget Bergen, 5021 Bergen, Norway.
| | - Kyly C Whitfield
- Food, Nutrition, and Health, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
- Department of Applied Human Nutrition, Mount Saint Vincent University, Halifax, NS B3M 2J6, Canada.
| | - Hou Kroeun
- Helen Keller International, Cambodia Country Office, Phnom Penh 12301, Cambodia.
| | - Mam Borath
- National Sub-Committee for Food Fortification, Ministry of Planning, Phnom Penh 12000, Cambodia.
| | - Prak Sophonneary
- National Nutrition Programme, Maternal and Child Health Centre, Ministry of Health, Phnom Penh 12202, Cambodia.
| | - Per Magne Ueland
- Department of Clinical Science, University of Bergen, 5021 Bergen, Norway.
- Laboratory of Clinical Biochemistry, Haukeland University Hospital, 5021 Bergen, Norway.
| | - Timothy J Green
- Food, Nutrition, and Health, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
- Healthy Mothers, Babies, and Children, South Australian Health and Medical Research Institute, Adelaide 5000, Australia.
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25
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Blitshteyn S. Vitamin B1 deficiency in patients with postural tachycardia syndrome (POTS). Neurol Res 2017; 39:685-688. [DOI: 10.1080/01616412.2017.1331895] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Svetlana Blitshteyn
- Department of Neurology, State University of New York at Buffalo School of Medicine and Biomedical Sciences, Buffalo, NY, USA
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26
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Edwards KA, Tu‐Maung N, Cheng K, Wang B, Baeumner AJ, Kraft CE. Thiamine Assays-Advances, Challenges, and Caveats. ChemistryOpen 2017; 6:178-191. [PMID: 28413748 PMCID: PMC5390807 DOI: 10.1002/open.201600160] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 01/27/2017] [Indexed: 01/08/2023] Open
Abstract
Thiamine (vitamin B1) is essential to the health of all living organisms and deficiency has long been associated with diseases in animals such as fish, birds, alligators, and domesticated ruminant mammals. Thiamine is also implicated in several human diseases including Alzheimer's, diabetes, dementia, depression and, most notably, Wernicke-Korsakoff syndrome and Beriberi disease. Yet, highly sensitive and specific detection of thiamine remains an analytical challenge, as pM to nm levels of thiamine need to be detected in environmental and human samples, respectively, various phosphorylated variants need to be discriminated, and rapid on-site detection would be highly desirable. Furthermore, appropriate sample preparation is mandatory, owing to the complexity of the relevant sample matrices including fish tissues, ocean water, and body fluids. This Review has two objectives. First, it provides a thorough overview of analytical techniques published for thiamine detection over the last 15 years. Second, it describes the principles of analytical approaches that are based on biorecognition and may open up new avenues for rapid and high-throughput thiamine analysis. Most notably, periplasmic binding proteins, ribozymes, and aptamers are of particular interest, as they function as bioaffinity recognition elements that can fill an important assay technology gap, owing to the unavailability of thiamine-specific commercial antibodies. Finally, the authors provide brief evaluations of key outcomes of the major assay concepts and suggest how innovative techniques could help develop sensitive and specific thiamine analytical test systems.
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Affiliation(s)
- Katie A. Edwards
- Department of Natural ResourcesCornell UniversityIthacaNY14853USA
| | - Nicole Tu‐Maung
- Department of Natural ResourcesCornell UniversityIthacaNY14853USA
| | - Krystal Cheng
- Department of Natural ResourcesCornell UniversityIthacaNY14853USA
| | - Binbin Wang
- Department of Natural ResourcesCornell UniversityIthacaNY14853USA
| | - Antje J. Baeumner
- Institute for Analytical Chemistry, Chemo and BiosensorsUniversity of RegensburgRegensburg93040Germany
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Turck D, Bresson J, Burlingame B, Dean T, Fairweather‐Tait S, Heinonen M, Hirsch‐Ernst KI, Mangelsdorf I, McArdle HJ, Naska A, Nowicka G, Pentieva K, Sanz Y, Siani A, Sjödin A, Stern M, Tomé D, Van Loveren H, Vinceti M, Willatts P, Lamberg‐Allardt C, Przyrembel H, Tetens I, Gudelj Rakic J, Ioannidou S, de Sesmaisons‐Lecarré A, Forss AC, Neuhäuser‐Berthold M. Dietary reference values for thiamin. EFSA J 2016. [DOI: 10.2903/j.efsa.2016.4653] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Teigen L, Twernbold D, Miller W. Prevalence of thiamine deficiency in a stable heart failure outpatient cohort on standard loop diuretic therapy. Clin Nutr 2016; 35:1323-1327. [DOI: 10.1016/j.clnu.2016.02.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 02/08/2016] [Accepted: 02/12/2016] [Indexed: 11/28/2022]
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Keating EM, Nget P, Kea S, Kuong S, Daly L, Phearom S, Enders F, Cheryk LA, Topazian M, Fischer PR, Kumar V. Thiamine deficiency in tachypnoeic Cambodian infants. Paediatr Int Child Health 2016; 35:312-8. [PMID: 26744155 DOI: 10.1080/20469047.2015.1109226] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
BACKGROUND Beriberi is endemic in South-east Asia. Diagnosis is based on clinical findings, but correlation of clinical features with blood thiamine concentrations is uncertain. OBJECTIVES To investigate in tachypnoeic Cambodian infants the correlation between whole blood thiamine diphosphate (TDP) concentrations, clinical findings and blood TDP levels after therapy. METHODS Infants hospitalised with tachypnoea were enrolled from October 2011 to January 2012. Initial clinical features, diagnostic test results and final diagnoses were recorded. Blood for TDP determination was collected prior to treatment and at discharge. Matched infants from the general outpatient clinic with minor complaints were enrolled as controls. Thiamine was administered at the discretion of the treating paediatrician. RESULTS Of the 47 tachypnoeic and 47 control infants, median initial blood TDP concentrations were 83 and 93 nmol/L, respectively (P = 0·69), and were below the estimated limit of normal (<70 nmol/L) in 43% vs 34% (P = 0·40). Median initial TDP levels were 72 and 91 nmol/L in tachypnoeic infants who did or did not receive thiamine, respectively (P = 0·56); at hospital discharge, median TDP concentration had increased by 107 and 3·5 nmol/L in these two subgroups (P<0·001). Classical findings of beriberi such as dysphonia, tachycardia and hepatomegaly did not correlate with low initial TDP concentrations, but infant age, Tiger Balm use, absence of wheezing and low blood CRP levels were associated with low initial TDP levels. Use of infant formula was associated with higher initial TDP levels. CONCLUSIONS Thiamine deficiency is common in tachypnoeic Cambodian infants, but routine clinical assessments do not accurately identify those with low blood TDP concentrations. Parenteral thiamine administration markedly increases TDP levels. Empirical thiamine treatment should be considered for tachypnoeic infants in regions with endemic thiamine deficiency.
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Hemre GI, Lock EJ, Olsvik PA, Hamre K, Espe M, Torstensen BE, Silva J, Hansen AC, Waagbø R, Johansen JS, Sanden M, Sissener NH. Atlantic salmon ( Salmo salar) require increased dietary levels of B-vitamins when fed diets with high inclusion of plant based ingredients. PeerJ 2016; 4:e2493. [PMID: 27703849 PMCID: PMC5047143 DOI: 10.7717/peerj.2493] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 08/26/2016] [Indexed: 12/03/2022] Open
Abstract
Aiming to re-evaluate current recommendations for nutrient supplementations when Atlantic salmon are fed diets based on plant ingredients, two regression experiments, with parr and post-smolt, were conducted. A control diet was included to evaluate if ingredients supplied sufficient nutrients without any added nutrient package (NP). The nutrient package consisted of vitamins B, C, E, minerals, cholesterol, methionine, taurine and histidine. This paper focus on B-vitamins. In parr, growth, health and welfare parameters responded on NP additions, but this was not observed in the seawater stage. During three months of feeding, parr tripled their weight. Parr given diets added the NP above NRC (2011) showed improved protein retention, and reduced liver and viscera indices. Post-smolt fed the same diets during five months showed a doubling of weight, but did not respond to the variation in NP to the same extent as parr. Significant regressions were obtained in body compartments for several of the B-vitamins in the premix. Whole body biotin concentration was unaffected by micronutrient premix level, and mRNA expression of the enzymes dependent of biotin showed only weak increases with increased biotin. Muscle thiamine plateaued at a diet level similar to NRC (2011) recommendation in freshwater, and showed stable values independent on premix addition in seawater. The mRNA expression of the enzyme G6PDH (glucose-6-phosphate dehydrogenase) is sensitive to thiamine availability; results did not indicate any need to add thiamine above levels recommended for fish in general. Niacin showed a steady increase in whole body concentrations as feed niacin increased. Muscle riboflavin peaked at a diet level of 12.4 mg kg−1. Sufficient riboflavin is important to avoid e.g., development of cataract. Cataract was not registered to be any problem, neither in fresh- nor in seawater. Cobalamin (B 12) in muscle and liver was saturated at 0.17 mg kg−1 diet. Muscle pyridoxine showed a dose-dependent level in muscle, and peaked around 10 mg kg −1 diet. White muscle ASAT (asparagine amino transferase) activity steadily increased, with indications of stable values when dietary pyridoxine was around 10–16 mg kg −1 diet. Pantothenic acid increased in gill tissue up to a level of 5.5 mg kg −1 soft gill tissue; at a dietary level of 22 mg kg−1. Improved performance, and coverage of metabolic need for niacin was at a dietary level of 66 mg kg −1, riboflavin 10–12 mg kg−1, pyridoxine 10 mg kg−1 and panthotenic acid 22 mg kg−1. Based on these results, recommended B-vitamin supplementation in plant based diets for Atlantic salmon should be adjusted.
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Affiliation(s)
- Gro-Ingunn Hemre
- National Institute of Nutrition and Seafood Research (NIFES) , Bergen , Norway
| | - Erik-Jan Lock
- National Institute of Nutrition and Seafood Research (NIFES) , Bergen , Norway
| | - Pål Asgeir Olsvik
- National Institute of Nutrition and Seafood Research (NIFES) , Bergen , Norway
| | - Kristin Hamre
- National Institute of Nutrition and Seafood Research (NIFES) , Bergen , Norway
| | - Marit Espe
- National Institute of Nutrition and Seafood Research (NIFES) , Bergen , Norway
| | | | | | - Ann-Cecilie Hansen
- National Institute of Nutrition and Seafood Research (NIFES) , Bergen , Norway
| | - Rune Waagbø
- National Institute of Nutrition and Seafood Research (NIFES) , Bergen , Norway
| | | | - Monica Sanden
- National Institute of Nutrition and Seafood Research (NIFES) , Bergen , Norway
| | - Nini H Sissener
- National Institute of Nutrition and Seafood Research (NIFES) , Bergen , Norway
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Edwards KA, Seog WJ, Han L, Feder S, Kraft CE, Baeumner AJ. High-Throughput Detection of Thiamine Using Periplasmic Binding Protein-Based Biorecognition. Anal Chem 2016; 88:8248-56. [PMID: 27460839 DOI: 10.1021/acs.analchem.6b02092] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Although antibodies and aptamers are commonly used bioaffinity recognition elements, they are not available for many important analytes. As an alternative, we demonstrate use of a periplasmic binding protein (PBP) to provide high affinity recognition for thiamine (vitamin B1), an analyte of great importance to human and environmental health for which, like so many other small molecules, no suitable biorecognition element is available. We demonstrate that with an appropriate competitive strategy, a highly sensitive (limit of detection of 0.5 nM) and specific bioassay for thiamine and its phosphorylated derivatives can be designed. The high-throughput method relies upon the thiamine periplasmic binding protein (TBP) from Escherichia coli for thiamine biorecognition and dye-encapsulating liposomes for signal-enhancement. A thiamine monosuccinate-PEG-biotin derivative was synthesized to serve as an immobilized competitor that overcame constraints imposed by the deep binding cleft and structural recognition requirements of PBPs. The assay was applied to ambient environmental samples with high reproducibility. These findings demonstrate that PBPs can serve as highly specific and sensitive affinity recognition elements in bioanalytical assay formats, thereby opening up the field of affinity sensors to a new range of analytes.
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Affiliation(s)
- Katie A Edwards
- Departments of †Natural Resources, ‡Biological and Environmental Engineering, §Food Science, and ∥Chemical Engineering, Cornell University , Ithaca, New York, United States
| | - Woo Jin Seog
- Departments of †Natural Resources, ‡Biological and Environmental Engineering, §Food Science, and ∥Chemical Engineering, Cornell University , Ithaca, New York, United States
| | - Lu Han
- Departments of †Natural Resources, ‡Biological and Environmental Engineering, §Food Science, and ∥Chemical Engineering, Cornell University , Ithaca, New York, United States
| | - Seth Feder
- Departments of †Natural Resources, ‡Biological and Environmental Engineering, §Food Science, and ∥Chemical Engineering, Cornell University , Ithaca, New York, United States
| | - Clifford E Kraft
- Departments of †Natural Resources, ‡Biological and Environmental Engineering, §Food Science, and ∥Chemical Engineering, Cornell University , Ithaca, New York, United States
| | - Antje J Baeumner
- Departments of †Natural Resources, ‡Biological and Environmental Engineering, §Food Science, and ∥Chemical Engineering, Cornell University , Ithaca, New York, United States
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Karimian-Khosroshahi N, Hosseini H, Rezaei M, Khaksar R, Mahmoudzadeh M. Effect of Different Cooking Methods on Minerals, Vitamins, and Nutritional Quality Indices of Rainbow Trout (Oncorhynchus mykiss). INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2016. [DOI: 10.1080/10942912.2015.1039028] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
| | - Hedayat Hosseini
- Department of Food Sciences and Technology, National Nutrition and Food TechnologyResearch Institute, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Masoud Rezaei
- Department of Fisheries, Faculty of Marine Sciences, Tarbiat Modares University, Noor, Iran
| | - Ramin Khaksar
- Department of Food Sciences and Technology, National Nutrition and Food TechnologyResearch Institute, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Mahmoudzadeh
- Department of Food Sciences and Technology, National Nutrition and Food TechnologyResearch Institute, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Bartáková V, Pleskačová A, Kuricová K, Pácal L, Dvořáková V, Bělobrádková J, Tomandlová M, Tomandl J, Kaňková K. Dysfunctional protection against advanced glycation due to thiamine metabolism abnormalities in gestational diabetes. Glycoconj J 2016; 33:591-8. [PMID: 27287225 DOI: 10.1007/s10719-016-9688-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Revised: 05/24/2016] [Accepted: 05/24/2016] [Indexed: 12/18/2022]
Abstract
While the pathogenic role of dicarbonyl stress and accelerated formation of advanced glycation end products (AGEs) to glucose intolerance and to the development of diabetic complications is well established, little is known about these processes in gestational diabetes mellitus (GDM), a condition pathogenically quite similar to type 2 diabetes. The aims of the present study were (i) to determine plasma thiamine and erythrocyte thiamine diphosphate (TDP) and transketolase (TKT) activity in pregnant women with and without GDM, (ii) to assess relationships between thiamine metabolism parameters and selected clinical, biochemical and anthropometric characteristics and, finally, (iii) to analyse relationship between variability in the genes involved in the regulation of transmembrane thiamine transport (i.e. SLC19A2 and SLC19A3) and relevant parameters of thiamine metabolism. We found significantly lower plasma BMI adjusted thiamine in women with GDM (P = 0.002, Mann-Whitney) while levels of erythrocyte TDP (an active TKT cofactor) in mid-trimester were significantly higher in GDM compared to controls (P = 0.04, Mann-Whitney). However, mid-gestational TKT activity - reflecting pentose phosphate pathway activity - did not differ between the two groups (P > 0.05, Mann-Whitney). Furthermore, we ascertained significant associations of postpartum TKT activity with SNPs SLC19A2 rs6656822 and SLC19A3 rs7567984 (P = 0.03 and P = 0.007, resp., Kruskal-Wallis). Our findings of increased thiamine delivery to the cells without concomitant increase of TKT activity in women with GDM therefore indicate possible pathogenic role of thiamine mishandling in GDM. Further studies are needed to determine its contribution to maternal and/or neonatal morbidity.
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Affiliation(s)
- Vendula Bartáková
- Department of Pathophysiology, Faculty of Medicine, Masaryk University Brno, UKB Kamenice 5/A18, 625 00, Brno, Czech Republic
| | - Anna Pleskačová
- Department of Pathophysiology, Faculty of Medicine, Masaryk University Brno, UKB Kamenice 5/A18, 625 00, Brno, Czech Republic.,Department of Biochemistry, Faculty of Medicine, Masaryk University Brno, Kamenice 5, 625 00, Brno, Czech Republic
| | - Katarína Kuricová
- Department of Pathophysiology, Faculty of Medicine, Masaryk University Brno, UKB Kamenice 5/A18, 625 00, Brno, Czech Republic
| | - Lukáš Pácal
- Department of Pathophysiology, Faculty of Medicine, Masaryk University Brno, UKB Kamenice 5/A18, 625 00, Brno, Czech Republic
| | - Veronika Dvořáková
- Department of Pathophysiology, Faculty of Medicine, Masaryk University Brno, UKB Kamenice 5/A18, 625 00, Brno, Czech Republic
| | - Jana Bělobrádková
- Diabetes Centre, Department of Internal Medicine - Gastroenterology, University Hospital Brno, Jihlavská 20, 625 00, Brno, Czech Republic
| | - Marie Tomandlová
- Department of Biochemistry, Faculty of Medicine, Masaryk University Brno, Kamenice 5, 625 00, Brno, Czech Republic
| | - Josef Tomandl
- Department of Biochemistry, Faculty of Medicine, Masaryk University Brno, Kamenice 5, 625 00, Brno, Czech Republic
| | - Kateřina Kaňková
- Department of Pathophysiology, Faculty of Medicine, Masaryk University Brno, UKB Kamenice 5/A18, 625 00, Brno, Czech Republic.
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34
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Simultaneous photometric microplate assay for free and total thiamine using gold nanoparticles and alkaline phosphatase. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1767-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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35
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Luo Y, Miao H, Yang X. Glutathione-stabilized Cu nanoclusters as fluorescent probes for sensing pH and vitamin B1. Talanta 2015; 144:488-95. [PMID: 26452852 DOI: 10.1016/j.talanta.2015.07.001] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 06/26/2015] [Accepted: 07/02/2015] [Indexed: 11/28/2022]
Abstract
Glutathione (GSH), playing roles as both a reducing reagent and protecting ligand, has been successfully employed for synthesizing Cu nanoclusters (CuNCs@GSH) on the basis of a simple and facile approach. The as-prepared CuNCs exhibited a fluorescence emission at 600nm with a quantum yield (QY) of approximately 3.6%. Subsequently, the CuNCs described here was employed as a broad-range pH sensor by virtue of the fluorescence intensity of CuNCs responding sensitively to pH fluctuating in a linear range of 4.0-12.0. Meanwhile, these prepared CuNCs were applied for detections of vitamin B1 (VB1) on the basis of positively charged VB1 neutralizing the negative surface charge of CuNCs, thus leading to the instability and aggregations of CuNCs, and further facilitating to quench their fluorescence. In addition, the proposed analytical method permitted detecting VB1 with a linear range of 2.0×10(-8)-1.0×10(-4) mol L(-1) as well as a detection limit of 4.6×10(-9) mol L(-1). Eventually, the practicability of this sensing approach was validated by assaying VB1 in human urine samples and pharmaceutical tablets, confirming its potential to broaden avenues for assaying VB1.
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Affiliation(s)
- Yawen Luo
- College of Pharmaceutical Sciences, Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, Southwest University, Chongqing 400715, China
| | - Hong Miao
- College of Pharmaceutical Sciences, Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, Southwest University, Chongqing 400715, China
| | - Xiaoming Yang
- College of Pharmaceutical Sciences, Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, Southwest University, Chongqing 400715, China.
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Klooster A, Larkin JR, Adaikalakoteswari A, Gans ROB, van Goor H, Thornalley PJ, Rabbani N, Navis G, Leuvenink HGD, Bakker SJL. Severe thiamine deficiency complicated by weight loss protects against renal ischaemia-reperfusion injury in rats. NDT Plus 2015; 2:182-3. [PMID: 25949326 PMCID: PMC4421349 DOI: 10.1093/ndtplus/sfn194] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Affiliation(s)
| | - James R Larkin
- Protein Damage and Systems Biology Research Group, Clinical Sciences Research Institute University of Warwick Medical School , Coventry , UK
| | - Antonysunil Adaikalakoteswari
- Protein Damage and Systems Biology Research Group, Clinical Sciences Research Institute University of Warwick Medical School , Coventry , UK
| | - Rijk O B Gans
- Department of Medicine University Medical Center of Groningen and University of Groningen , The Netherlands
| | - Harry van Goor
- Department of Pathology and Laboratory Medicine , University Medical Center Groningen and University of Groningen The Netherlands
| | - Paul J Thornalley
- Protein Damage and Systems Biology Research Group, Clinical Sciences Research Institute University of Warwick Medical School , Coventry , UK
| | - Naila Rabbani
- Protein Damage and Systems Biology Research Group, Clinical Sciences Research Institute University of Warwick Medical School , Coventry , UK
| | - Gerjan Navis
- Department of Medicine University Medical Center of Groningen and University of Groningen , The Netherlands
| | - Henri G D Leuvenink
- Department of Surgery, Surgical Research Laboratory , University Medical Center of Groningen and University of Groningen The Netherlands
| | - Stephan J L Bakker
- Department of Medicine University Medical Center of Groningen and University of Groningen , The Netherlands
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37
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Liddicoat C, Hucker B, Liang H, Vriesekoop F. Thiamin analysis in red wine by fluorescence reverse phase-HPLC. Food Chem 2015; 177:325-9. [PMID: 25660893 DOI: 10.1016/j.foodchem.2015.01.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 11/11/2014] [Accepted: 01/04/2015] [Indexed: 01/03/2023]
Abstract
The derivatization of thiamin vitamers to their respective thiochrome by ferricyanide to facilitate fluorescence detection following separation by HPLC provides a powerful analytical tool. However the polyphenolic compounds in red wine readily interact with ferricyanide, reducing the effectiveness of ferricyanide oxidation in the derivatization of thiamin. We describe a method to facilitate the removal of polyphenolic compounds that interfere with the ferricyanide derivatization of thiamin. Polyvinylpolypyrrolidone afforded the total removal of phenolic compounds from red wines and allowed a spike recovery of thiamin vitamers (101% for thiamin; 104% for TMP; and 100% for TDP) in a wide range of red wines. This research found that Merlot styles of red wine contained the highest concentration of total thiamin (29.01 ng/mL) while Pinot Noir wines contained the lowest total concentration (8.27 ng/mL).
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Affiliation(s)
- Callum Liddicoat
- Institute of Food and Crop Science, School of Health Sciences, Federation University Australia, Post Office Box 663, Ballarat 3353, Victoria, Australia
| | - Barry Hucker
- Institute of Food and Crop Science, School of Health Sciences, Federation University Australia, Post Office Box 663, Ballarat 3353, Victoria, Australia
| | - Hao Liang
- Institute of Food and Crop Science, School of Health Sciences, Federation University Australia, Post Office Box 663, Ballarat 3353, Victoria, Australia; State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, PR China
| | - Frank Vriesekoop
- Institute of Food and Crop Science, School of Health Sciences, Federation University Australia, Post Office Box 663, Ballarat 3353, Victoria, Australia; Department of Food Science and Agri-Food Supply Chain Management, Harper Adams University, Newport, Shropshire TF10 8NB, United Kingdom.
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Bettendorff L, Lakaye B, Kohn G, Wins P. Thiamine triphosphate: a ubiquitous molecule in search of a physiological role. Metab Brain Dis 2014; 29:1069-82. [PMID: 24590690 DOI: 10.1007/s11011-014-9509-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Accepted: 02/12/2014] [Indexed: 01/12/2023]
Abstract
Thiamine triphosphate (ThTP) was discovered over 60 years ago and it was long thought to be a specifically neuroactive compound. Its presence in most cell types, from bacteria to mammals, would suggest a more general role but this remains undefined. In contrast to thiamine diphosphate (ThDP), ThTP is not a coenzyme. In E. coli cells, ThTP is transiently produced in response to amino acid starvation, while in mammalian cells, it is constitutively produced at a low rate. Though it was long thought that ThTP was synthesized by a ThDP:ATP phosphotransferase, more recent studies indicate that it can be synthesized by two different enzymes: (1) adenylate kinase 1 in the cytosol and (2) FoF1-ATP synthase in brain mitochondria. Both mechanisms are conserved from bacteria to mammals. Thus ThTP synthesis does not seem to require a specific enzyme. In contrast, its hydrolysis is catalyzed, at least in mammalian tissues, by a very specific cytosolic thiamine triphosphatase (ThTPase), controlling the steady-state cellular concentration of ThTP. In some tissues where adenylate kinase activity is high and ThTPase is absent, ThTP accumulates, reaching ≥ 70% of total thiamine, with no obvious physiological consequences. In some animal tissues, ThTP was able to phosphorylate proteins, and activate a high-conductance anion channel in vitro. These observations raise the possibility that ThTP is part of a still uncharacterized cellular signaling pathway. On the other hand, its synthesis by a chemiosmotic mechanism in mitochondria and respiring bacteria might suggest a role in cellular energetics.
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Affiliation(s)
- Lucien Bettendorff
- GIGA-Neurosciences, University of Liège, Avenue de l'Hôpital, 1, 4000, Liège, Belgium,
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Monteiro JP, Wise C, Morine MJ, Teitel C, Pence L, Williams A, McCabe-Sellers B, Champagne C, Turner J, Shelby B, Ning B, Oguntimein J, Taylor L, Toennessen T, Priami C, Beger RD, Bogle M, Kaput J. Methylation potential associated with diet, genotype, protein, and metabolite levels in the Delta Obesity Vitamin Study. GENES & NUTRITION 2014; 9:403. [PMID: 24760553 PMCID: PMC4026438 DOI: 10.1007/s12263-014-0403-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2014] [Accepted: 04/06/2014] [Indexed: 12/28/2022]
Abstract
Micronutrient research typically focuses on analyzing the effects of single or a few nutrients on health by analyzing a limited number of biomarkers. The observational study described here analyzed micronutrients, plasma proteins, dietary intakes, and genotype using a systems approach. Participants attended a community-based summer day program for 6-14 year old in 2 years. Genetic makeup, blood metabolite and protein levels, and dietary differences were measured in each individual. Twenty-four-hour dietary intakes, eight micronutrients (vitamins A, D, E, thiamin, folic acid, riboflavin, pyridoxal, and pyridoxine) and 3 one-carbon metabolites [homocysteine (Hcy), S-adenosylmethionine (SAM), and S-adenosylhomocysteine (SAH)], and 1,129 plasma proteins were analyzed as a function of diet at metabolite level, plasma protein level, age, and sex. Cluster analysis identified two groups differing in SAM/SAH and differing in dietary intake patterns indicating that SAM/SAH was a potential marker of nutritional status. The approach used to analyze genetic association with the SAM/SAH metabolites is called middle-out: SNPs in 275 genes involved in the one-carbon pathway (folate, pyridoxal/pyridoxine, thiamin) or were correlated with SAM/SAH (vitamin A, E, Hcy) were analyzed instead of the entire 1M SNP data set. This procedure identified 46 SNPs in 25 genes associated with SAM/SAH demonstrating a genetic contribution to the methylation potential. Individual plasma metabolites correlated with 99 plasma proteins. Fourteen proteins correlated with body mass index, 49 with group age, and 30 with sex. The analytical strategy described here identified subgroups for targeted nutritional interventions.
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Affiliation(s)
- Jacqueline Pontes Monteiro
- />Department of Pediatrics, Faculty of Medicine, Faculty of Nutrition and Metabolism, University of São Paulo, Ribeirão Prêto, SP Brazil
| | - Carolyn Wise
- />Division of Personalized Nutrition and Medicine, National Center for Toxicological Research (NCTR), Food and Drug Administration (FDA), Jefferson, AR USA
| | - Melissa J. Morine
- />Department of Mathematics, University of Trento, Trento, Italy
- />The Microsoft Research, University of Trento Centre for Computational and Systems Biology (COSBI), Rovereto, Italy
| | - Candee Teitel
- />Division of Personalized Nutrition and Medicine, National Center for Toxicological Research (NCTR), Food and Drug Administration (FDA), Jefferson, AR USA
| | - Lisa Pence
- />Division of Systems Biology, NCTR/FDA, Jefferson, AR USA
| | - Anna Williams
- />Division of Personalized Nutrition and Medicine, National Center for Toxicological Research (NCTR), Food and Drug Administration (FDA), Jefferson, AR USA
| | - Beverly McCabe-Sellers
- />Delta Obesity Prevention Research Unit, United States Department of Agriculture, Agricultural Research Service, Little Rock, AR USA
| | - Catherine Champagne
- />Dietary Assessment and Nutrition Counseling, Pennington Biomedical Research Center, Baton Rouge, LA USA
| | - Jerome Turner
- />Boys, Girls, Adults Community Development Center & The Phillips County Community Partners, Marvell, AR USA
| | - Beatrice Shelby
- />Boys, Girls, Adults Community Development Center & The Phillips County Community Partners, Marvell, AR USA
| | - Baitang Ning
- />Division of Personalized Nutrition and Medicine, National Center for Toxicological Research (NCTR), Food and Drug Administration (FDA), Jefferson, AR USA
| | - Joan Oguntimein
- />Shepherd Program for the Interdisciplinary Study of Poverty and Human Capability, Washington and Lee University, Lexington, VA USA
- />Medical School, Drexel University, Philadelphia, PA USA
| | - Lauren Taylor
- />Shepherd Program for the Interdisciplinary Study of Poverty and Human Capability, Washington and Lee University, Lexington, VA USA
- />Emory School of Public Health, Atlanta, GA USA
| | - Terri Toennessen
- />Division of Personalized Nutrition and Medicine, National Center for Toxicological Research (NCTR), Food and Drug Administration (FDA), Jefferson, AR USA
| | - Corrado Priami
- />Department of Mathematics, University of Trento, Trento, Italy
- />The Microsoft Research, University of Trento Centre for Computational and Systems Biology (COSBI), Rovereto, Italy
| | | | - Margaret Bogle
- />Delta Obesity Prevention Research Unit, United States Department of Agriculture, Agricultural Research Service, Little Rock, AR USA
| | - Jim Kaput
- />Systems Nutrition and Health Unit, Nestle Institute of Health Sciences, Innovation Square, EPFL Campus, 1015 Lausanne, Switzerland
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Hosseini H, Mahmoudzadeh M, Rezaei M, Mahmoudzadeh L, Khaksar R, Khosroshahi NK, Babakhani A. Effect of different cooking methods on minerals, vitamins and nutritional quality indices of kutum roach (Rutilus frisii kutum). Food Chem 2014; 148:86-91. [DOI: 10.1016/j.foodchem.2013.10.012] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2012] [Revised: 09/14/2013] [Accepted: 10/01/2013] [Indexed: 10/26/2022]
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Costa NA, Gut AL, de Souza Dorna M, Pimentel JAC, Cozzolino SMF, Azevedo PS, Fernandes AAH, Zornoff LAM, de Paiva SAR, Minicucci MF. Serum thiamine concentration and oxidative stress as predictors of mortality in patients with septic shock. J Crit Care 2013; 29:249-52. [PMID: 24412011 DOI: 10.1016/j.jcrc.2013.12.004] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Revised: 10/18/2013] [Accepted: 12/09/2013] [Indexed: 11/29/2022]
Abstract
PURPOSE The purpose of the study is to determine the influence of serum thiamine, glutathione peroxidase (GPx) activity, and serum protein carbonyl concentrations in hospital mortality in patients with septic shock. MATERIALS AND METHODS This prospective study included all patients with septic shock on admission or during intensive care unit (ICU) stay, older than 18 years, admitted to 1 of the 3 ICUs of the Botucatu Medical School, from January to August 2012. Demographic information, clinical evaluation, and blood sample were taken within the first 72 hours of the patient's admission or within 72 hours after septic shock diagnosis for serum thiamine, GPx activity, and protein carbonyl determination. RESULTS One hundred eight consecutive patients were evaluated. The mean age was 57.5 ± 16.0 years, 63% were male, 54.6% died in the ICU, and 71.3% had thiamine deficiency. Thiamine was not associated with oxidative stress. Neither vitamin B1 levels nor the GPx activity was associated with outcomes in these patients. However, protein carbonyl concentration was associated with increased mortality. CONCLUSIONS In patients with septic shock, oxidative stress was associated with mortality. On the other hand, thiamine was not associated with oxidative stress or mortality in these patients.
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Affiliation(s)
- Nara Aline Costa
- Department of Internal Medicine, Botucatu Medical School, UNESP-Univ Estadual Paulista, Botucatu, Brazil
| | - Ana Lúcia Gut
- Department of Internal Medicine, Botucatu Medical School, UNESP-Univ Estadual Paulista, Botucatu, Brazil
| | - Mariana de Souza Dorna
- Department of Internal Medicine, Botucatu Medical School, UNESP-Univ Estadual Paulista, Botucatu, Brazil
| | - José Alexandre Coelho Pimentel
- Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Science, University of São Paulo, São Paulo, Brazil
| | | | - Paula Schmidt Azevedo
- Department of Internal Medicine, Botucatu Medical School, UNESP-Univ Estadual Paulista, Botucatu, Brazil
| | | | | | | | - Marcos Ferreira Minicucci
- Department of Internal Medicine, Botucatu Medical School, UNESP-Univ Estadual Paulista, Botucatu, Brazil.
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Lalić J, Denić M, Sunarić S, Kocić G, Trutić N, Mitić S, Jovanović T. Assessment of thiamine content in some dairy products and rice milk. CYTA - JOURNAL OF FOOD 2013. [DOI: 10.1080/19476337.2013.814713] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Determination of Thiamine in Wheat Flours Using a Validated Isocratic HPLC-Fluorescence Method Previously Optimized by Box–Behnken Design. FOOD ANAL METHOD 2013. [DOI: 10.1007/s12161-013-9688-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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44
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Kato K, Mori H, Kito T, Yokochi M, Ito S, Inoue K, Yonezawa A, Katsura T, Kumagai Y, Yuasa H, Moriyama Y, Inui KI, Kusuhara H, Sugiyama Y. Investigation of Endogenous Compounds for Assessing the Drug Interactions in the Urinary Excretion Involving Multidrug and Toxin Extrusion Proteins. Pharm Res 2013; 31:136-47. [DOI: 10.1007/s11095-013-1144-y] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2013] [Accepted: 07/01/2013] [Indexed: 12/13/2022]
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45
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Spizzirri UG, Cirillo G, Curcio M, Altimari I, Picci N, Iemma F. Stabilization of oxidable vitamins by flavonoid-based hydrogels. REACT FUNCT POLYM 2013. [DOI: 10.1016/j.reactfunctpolym.2013.05.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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46
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Suh JH, Kim J, Jung J, Kim K, Lee SG, Cho HD, Jung Y, Han SB. Determination of Thiamine in Pharmaceutical Preparations by Reverse Phase Liquid Chromatography Without Use of Organic Solvent. B KOREAN CHEM SOC 2013. [DOI: 10.5012/bkcs.2013.34.6.1745] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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47
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Vitamin B1 and B6 method harmonization: Comparison of performance between laboratories enrolled in the RCPA Quality Assurance Program. Clin Biochem 2013; 46:772-6. [DOI: 10.1016/j.clinbiochem.2013.01.020] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2012] [Revised: 01/20/2013] [Accepted: 01/27/2013] [Indexed: 11/18/2022]
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48
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Stuetz W, Carrara VI, McGready R, Lee SJ, Biesalski HK, Nosten FH. Thiamine diphosphate in whole blood, thiamine and thiamine monophosphate in breast-milk in a refugee population. PLoS One 2012; 7:e36280. [PMID: 22768031 PMCID: PMC3387174 DOI: 10.1371/journal.pone.0036280] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2011] [Accepted: 04/02/2012] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND The provision of high doses of thiamine may prevent thiamine deficiency in the post-partum period of displaced persons. METHODOLOGY/PRINCIPAL FINDINGS The study aimed to evaluate a supplementation regimen of thiamine mononitrate (100 mg daily) at the antenatal clinics in Maela refugee camp. Women were enrolled during antenatal care and followed after delivery. Samples were collected at 12 weeks post partum. Thiamine diphosphate (TDP) in whole blood and thiamine in breast-milk of 636 lactating women were measured. Thiamine in breast-milk consisted of thiamine monophosphate (TMP) in addition to thiamine, with a mean TMP to total thiamine ratio of 63%. Mean whole blood TDP (130 nmol/L) and total thiamine in breast-milk (755 nmol/L) were within the upper range reported for well-nourished women. The prevalence of women with low whole blood TDP (<65 nmol/L) was 5% and with deficient breast-milk total thiamine (<300 nmol/L) was 4%. Whole blood TDP predicted both breast-milk thiamine and TMP (R(2) = 0.36 and 0.10, p<0.001). A ratio of TMP to total thiamine ≥63% was associated with a 7.5 and 4-fold higher risk of low whole blood TDP and deficient total breast-milk thiamine, respectively. Routine provision of daily 100 mg of thiamine mononitrate post-partum compared to the previous weekly 10 mg of thiamine hydrochloride resulted in significantly higher total thiamine in breast-milk. CONCLUSIONS/SIGNIFICANCE Thiamine supplementation for lactating women in Maela refugee camp is effective and should be continued. TMP and its ratio to total thiamine in breast-milk, reported for the first time in this study, provided useful information on thiamine status and should be included in future studies of breast-milk thiamine.
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Affiliation(s)
- Wolfgang Stuetz
- Institute of Nutrition, Friedrich-Schiller-University, Jena, Germany.
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49
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Bilgi Boyaci B, Han JY, Masatcioglu MT, Yalcin E, Celik S, Ryu GH, Koksel H. Effects of cold extrusion process on thiamine and riboflavin contents of fortified corn extrudates. Food Chem 2012. [DOI: 10.1016/j.foodchem.2011.12.013] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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50
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Lough ME. Wernicke's encephalopathy: expanding the diagnostic toolbox. Neuropsychol Rev 2012; 22:181-94. [PMID: 22577001 DOI: 10.1007/s11065-012-9200-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2012] [Accepted: 04/17/2012] [Indexed: 12/17/2022]
Abstract
Wernicke's encephalopathy (WE) is a life threatening neurological disorder that results from thiamine (Vitamin B1) deficiency. Clinical signs include mental status changes, ataxia, occulomotor changes and nutritional deficiency. The conundrum is that the clinical presentation is highly variable. WE clinical signs, brain imaging, and thiamine blood levels, are reviewed in 53 published case reports from 2001 to 2011; 81 % (43/53) were non-alcohol related. Korsakoff Syndrome or long-term cognitive neurological changes occurred in 28 % (15/53). Seven WE cases (13 %) had a normal magnetic resonance image (MRI). Four WE cases (8 %) had normal or high thiamine blood levels. Neither diagnostic tool can be relied upon exclusively to confirm a diagnosis of WE.
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Affiliation(s)
- Mary E Lough
- Stanford Hospital and Clinics, 300 Pasteur Drive H0105, MC 5221, Stanford, CA 94305, USA.
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