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Greenfield E, Alves MDS, Rodrigues F, Nogueira JO, da Silva L, de Jesus HP, Cavalcanti DR, Carvalho BFDC, Almeida JD, Mendes MA, Oliveira Alves MG. Preliminary Findings on the Salivary Metabolome of Hookah and Cigarette Smokers. ACS OMEGA 2023; 8:36845-36855. [PMID: 37841134 PMCID: PMC10569005 DOI: 10.1021/acsomega.3c03683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 08/10/2023] [Indexed: 10/17/2023]
Abstract
The aim of the study was to evaluate the salivary metabolomic profile of patients who habitually smoke hookah and cigarettes. The groups consisted of 33 regular and exclusive hookah smokers, 26 regular and exclusive cigarette smokers, and 30 nonsmokers. Unstimulated whole saliva was collected for the measurement of salivary metabolites by gas chromatography coupled with tandem mass spectrometry (GC-MS/MS). The MetaboAnalyst software was used for statistical analysis and evaluation of biomarkers. 11 smoking salivary biomarkers were identified using the area under receiving-operator curver criterion and threshold of 0.9. Xylitol and octadecanol were higher in cigarette smokers compared to controls; arabitol and maltose were higher in controls compared to cigarette smokers; octadecanol and tyramine were higher in hookah smokers compared to controls; phenylalanine was higher in controls compared to hookah smokers; and fructose, isocitric acid, glucuronic acid, tryptamine, maltose, tyramine, and 3-hydroxyisolvaleric acid were higher in hookah smokers compared to cigarettes smokers. Conclusions: The evaluation of the salivary metabolome of hookah smokers, showing separation between the groups, especially between the control versus hookah groups and cigarette versus hookah groups, and it seems to demonstrate that the use of hookah tobacco is more damaging to health.
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Affiliation(s)
- Ellen Greenfield
- Technology
Research Center (NPT), Universidade de Mogi
das Cruzes, Mogi das
Cruzes 08780-911, Brazil
| | - Mariana de Sá Alves
- Department
of Biosciences and Oral Diagnosis, Institute
of Science and Technology, São Paulo State University (UNESP), São José dos Campos, São Paulo 01049-010, Brazil
| | - Fernanda Rodrigues
- Technology
Research Center (NPT), Universidade de Mogi
das Cruzes, Mogi das
Cruzes 08780-911, Brazil
| | | | | | | | | | - Bruna Fernandes do Carmo Carvalho
- Department
of Biosciences and Oral Diagnosis, Institute
of Science and Technology, São Paulo State University (UNESP), São José dos Campos, São Paulo 01049-010, Brazil
| | - Janete Dias Almeida
- Department
of Biosciences and Oral Diagnosis, Institute
of Science and Technology, São Paulo State University (UNESP), São José dos Campos, São Paulo 01049-010, Brazil
| | - Maria Anita Mendes
- Dempster
MS Lab, Department of Chemical Engineering, Polytechnic School, University of Sao Paulo, Sao Paulo 05508-900, Brazil
| | - Mônica Ghislaine Oliveira Alves
- Technology
Research Center (NPT), Universidade de Mogi
das Cruzes, Mogi das
Cruzes 08780-911, Brazil
- Department
of Biosciences and Oral Diagnosis, Institute
of Science and Technology, São Paulo State University (UNESP), São José dos Campos, São Paulo 01049-010, Brazil
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2
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Aghila Rani KG, Soares NC, Rahman B, Al-Hroub HM, Semreen MH, Al Kawas S. Effects of medwakh smoking on salivary metabolomics and its association with altered oral redox homeostasis among youth. Sci Rep 2023; 13:1870. [PMID: 36725974 PMCID: PMC9891755 DOI: 10.1038/s41598-023-27958-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 01/10/2023] [Indexed: 02/03/2023] Open
Abstract
The use of alternative tobacco products, particularly medwakh, has expanded among youth in the Middle East and around the world. The present study is conducted to investigate the biochemical and pathophysiological changes caused by medwakh smoking, and to examine the salivary metabolomics profile of medwakh smokers. Saliva samples were collected from 30 non-smokers and 30 medwakh smokers and subjected to metabolomic analysis by UHPLC-ESI-QTOF-MS. The CRP and Glutathione Peroxidase 1 activity levels in the study samples were quantified by ELISA and the total antioxidant capacity (TAC) by TAC assay kits. Statistical measurements and thorough validation of data obtained from untargeted metabolomics identified 37 uniquely and differentially abundant metabolites in saliva of medwakh smokers. The levels of phthalate, L-sorbose, cytosine, uridine, alpha-hydroxy hippurate, and L-nicotine were noticeably high in medwakh smokers. Likewise, 20 metabolic pathways were differentially altered in medwakh smokers. This study identified a distinctive saliva metabolomics profile in medwakh smokers associated with altered redox homeostasis, metabolic pathways, antioxidant system, and CRP levels. The impact of the altered metabolites in medwakh smokers and their diagnostic utility require further research in large cohorts.
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Affiliation(s)
- K G Aghila Rani
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, United Arab Emirates
| | - Nelson C Soares
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, United Arab Emirates.,Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, P.O. Box 27272, Sharjah, United Arab Emirates.,Department of Human Genetics, National Institute of Health Doutor Ricardo Jorge (INSA), Lisbon, Portugal
| | - Betul Rahman
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, United Arab Emirates.,Department of Preventive and Restorative Dentistry, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Hamza M Al-Hroub
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, United Arab Emirates
| | - Mohammad H Semreen
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, United Arab Emirates. .,Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, P.O. Box 27272, Sharjah, United Arab Emirates.
| | - Sausan Al Kawas
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, United Arab Emirates. .,Department of Oral and Craniofacial Health Sciences, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates.
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3
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Dietary and Antioxidant Vitamins Limit the DNA Damage Mediated by Oxidative Stress in the Mother-Newborn Binomial. Life (Basel) 2022; 12:life12071012. [PMID: 35888100 PMCID: PMC9323630 DOI: 10.3390/life12071012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/01/2022] [Accepted: 07/03/2022] [Indexed: 11/16/2022] Open
Abstract
During pregnancy, appropriate nutritional support is necessary for the development of the foetus. Maternal nutrition might protect the foetus from toxic agents such as free radicals due to its antioxidant content. In this study, 90 mothers and their children were recruited. DNA damage mediated by oxidative stress (OS) was determined by the levels of 8-hidroxy-2′-deoxyguanosine (8-OHdG) in the plasma of women and umbilical cord blood. The mothers and newborns were categorised into tertiles according to their 8-OHdG levels for further comparison. No relevant clinical differences were observed in each group. A strong correlation was observed in the mother−newborn binomial for 8-OHdG levels (Rho = 0.694, p < 0.001). In the binomial, a lower level of 8-OHdG was associated with higher consumption of calories, carbohydrates, lipids, and vitamin A (p < 0.05). In addition, the levels of 8-OHdG were only significantly lower in newborns from mothers with a higher consumption of vitamin A and E (p < 0.01). These findings were confirmed by a significant negative correlation between the 8-OHdG levels of newborns and the maternal consumption of vitamins A and E, but not C (Rho = −0.445 (p < 0.001), −0.281 (p = 0.007), and −0.120 (p = 0.257), respectively). Multiple regression analysis showed that the 8-OHdG levels in mothers and newborns inversely correlated with vitamin A (β = −1.26 (p = 0.016) and −2.17 (p < 0.001), respectively) and pregestational body mass index (β = −1.04 (p = 0.007) and −0.977 (p = 0.008), respectively). In conclusion, maternal consumption of vitamins A and E, but not C, might protect newborns from DNA damage mediated by OS.
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Erbach J, Bonn F, Diesner M, Arnold A, Stein J, Schröder O, Aksan A. Relevance of Biotin Deficiency in Patients with Inflammatory Bowel Disease and Utility of Serum 3 Hydroxyisovaleryl Carnitine as a Practical Everyday Marker. J Clin Med 2022; 11:jcm11041118. [PMID: 35207391 PMCID: PMC8877558 DOI: 10.3390/jcm11041118] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 02/13/2022] [Accepted: 02/15/2022] [Indexed: 02/04/2023] Open
Abstract
Background: Biotin, a water-soluble B vitamin, has demonstrable anti-inflammatory properties. A biotin-deficient diet induced a colitis-like phenotype in mice, alleviable by biotin substitution. Mice with dextran sulfate sodium (DSS)-induced colitis showed biotin deficiency and diminished levels of sodium-dependent multivitamin transporter, a protein involved in biotin absorption. Biotin substitution induced remission by reducing activation of NF-κB, a transcription factor involved in intestinal permeability and inflammatory bowel disease (IBD). We investigated for the first time a possible clinical role of biotin status in IBD. Methods: In a comparative, retrospective, cross-sectional study, serum samples of 138 patients with IBD (67 female; 72 Crohn’s disease (CD), 66 ulcerative colitis (UC)) aged 18–65 years and with a mean age (±SD) of 42.5 ± 14.3 years as well as 80 healthy blood donors (40 female; 40.0 ± 10.0 years; range 20–60 years) were analyzed. Inflammation was defined as hsCRP ≥5 mg/L, and to determine biotin status, serum 3-hydroxyisovaleryl carnitine (3HIVc) levels were measured by LC-MS/MS. Results: A total of 138 patients with IBD (67f; 72CD/66 UC; 42.5 ± 14.3 years) were enrolled: 83/138 had inflammation. Mean serum 3HIVc levels were significantly higher in IBD patients but unaffected by inflammation. Biotin deficiency (95th percentile of controls: >30 nmol/L 3HIVc) was significantly more common in IBD patients versus controls. Conclusion: High serum 3HIVc levels and biotin deficiency were associated with IBD but not inflammatory activity or disease type. Our findings suggest biotin may play a role as cause or effect in IBD pathogenesis. Routine assessment and supplementation of biotin may ameliorate IBD and support intestinal integrity.
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Affiliation(s)
- Johanna Erbach
- Interdisciplinary Crohn Colitis Center Rhein-Main, 60594 Frankfurt am Main, Germany; (J.E.); (O.S.); (A.A.)
| | - Florian Bonn
- Immundiagnostik AG, 64625 Bensheim, Germany; (F.B.); (M.D.); (A.A.)
| | - Max Diesner
- Immundiagnostik AG, 64625 Bensheim, Germany; (F.B.); (M.D.); (A.A.)
| | - Anne Arnold
- Immundiagnostik AG, 64625 Bensheim, Germany; (F.B.); (M.D.); (A.A.)
| | - Jürgen Stein
- Interdisciplinary Crohn Colitis Center Rhein-Main, 60594 Frankfurt am Main, Germany; (J.E.); (O.S.); (A.A.)
- DGD Kliniken Sachsenhausen, 60594 Frankfurt am Main, Germany
- Institute of Pharmaceutical Chemistry, Goethe University, 60438 Frankfurt am Main, Germany
- Correspondence:
| | - Oliver Schröder
- Interdisciplinary Crohn Colitis Center Rhein-Main, 60594 Frankfurt am Main, Germany; (J.E.); (O.S.); (A.A.)
- DGD Kliniken Sachsenhausen, 60594 Frankfurt am Main, Germany
| | - Ayşegül Aksan
- Interdisciplinary Crohn Colitis Center Rhein-Main, 60594 Frankfurt am Main, Germany; (J.E.); (O.S.); (A.A.)
- Institute of Nutritional Science, Justus-Liebig University, 35392 Giessen, Germany
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5
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Abstract
Purpose The reference values for biotin intake for Germany, Austria and Switzerland lead back to a report in 2000. Following a timely update process, they were revised in 2020. Methods For infants aged 0 to < 4 months, adequate biotin supply via human milk was assumed and in consequence the reference value reflects the amount of biotin delivered by human milk. For infants aged 4 to < 12 months, biotin intake was extrapolated from the reference value for younger infants. Due to missing data on average requirement, the reference values for biotin intake for children, adolescents and adults were derived based on observed intake levels. The reference value for lactating women considered in addition biotin losses via human milk. Results The reference value for biotin intake for infants aged 0 to < 4 months was set at 4 µg/day and for infants aged 4 to < 12 months at 6 µg/day. In children and adolescents, the reference values for biotin intake ranged from 20 µg/day in children 1 to < 4 years to 40 µg/day in youths 15 to < 19 years. For adults including pregnant women, 40 µg/day was derived as reference value for biotin intake. For lactating women, this value was set at 45 µg/day. Conclusions As deficiency symptoms of biotin do not occur with a usual mixed diet and the average requirement cannot be determined, reference values for an adequate biotin intake for populations from Germany, Austria and Switzerland were derived from biotin intake levels assessed in population-based nutrition surveys. Supplementary Information The online version contains supplementary material available at 10.1007/s00394-021-02756-0.
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6
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Kärkkäinen O, Kokla M, Lehtonen M, Auriola S, Martiskainen M, Tiihonen J, Karhunen PJ, Hanhineva K, Kok E. Changes in the metabolic profile of human male postmortem frontal cortex and cerebrospinal fluid samples associated with heavy alcohol use. Addict Biol 2021; 26:e13035. [PMID: 33745230 DOI: 10.1111/adb.13035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 03/08/2021] [Accepted: 03/10/2021] [Indexed: 12/16/2022]
Abstract
Heavy alcohol use is one of the top causes of disease and death in the world. The brain is a key organ affected by heavy alcohol use. Here, our aim was to measure changes caused by heavy alcohol use in the human brain metabolic profile. We analyzed human postmortem frontal cortex and cerebrospinal fluid (CSF) samples from males with a history of heavy alcohol use (n = 74) and controls (n = 74) of the Tampere Sudden Death Series cohort. We used a nontargeted liquid chromatography mass spectrometry-based metabolomics method. We observed differences between the study groups in the metabolite levels of both frontal cortex and CSF samples, for example, in amino acids and derivatives, and acylcarnitines. There were more significant alterations in the metabolites of frontal cortex than in CSF. In the frontal cortex, significant alterations were seen in the levels of neurotransmitters (e.g., decreased levels of GABA and acetylcholine), acylcarnitines (e.g., increased levels of acylcarnitine 4:0), and in some metabolites associated with alcohol metabolizing enzymes (e.g., increased levels of 2-piperidone). Some of these changes were also significant in the CSF samples (e.g., elevated 2-piperidone levels). Overall, these results show the metabolites associated with neurotransmitters, energy metabolism and alcohol metabolism, were altered in human postmortem frontal cortex and CSF samples of persons with a history of heavy alcohol use.
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Affiliation(s)
- Olli Kärkkäinen
- School of Pharmacy University of Eastern Finland Kuopio Finland
| | - Marietta Kokla
- Institute of Public Health and Clinical Nutrition University of Eastern Finland Kuopio Finland
| | - Marko Lehtonen
- School of Pharmacy University of Eastern Finland Kuopio Finland
| | - Seppo Auriola
- School of Pharmacy University of Eastern Finland Kuopio Finland
| | - Mika Martiskainen
- Faculty of Medicine and Health Technology Tampere University and Fimlab Laboratories Ltd, Tampere University Hospital Region Kuopio Finland
- Finnish Institute for Health and Welfare Finland
| | - Jari Tiihonen
- Department of Forensic Psychiatry University of Eastern Finland, Niuvanniemi Hospital Helsinki Finland
- Department of Clinical Neuroscience Karolinska Institutet and Center for Psychiatry Research, Stockholm City Council Stockholm Sweden
| | - Pekka J. Karhunen
- Faculty of Medicine and Health Technology Tampere University and Fimlab Laboratories Ltd, Tampere University Hospital Region Kuopio Finland
| | - Kati Hanhineva
- Institute of Public Health and Clinical Nutrition University of Eastern Finland Kuopio Finland
- Department of Biochemistry, Food chemistry and food development unit University of Turku Turku Finland
| | - Eloise Kok
- Faculty of Medicine and Health Technology Tampere University and Fimlab Laboratories Ltd, Tampere University Hospital Region Kuopio Finland
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7
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Abdel Rahman SH, Mohammed Salem R, Hassan Sabry J. Biotin Deficiency in Telogen Effluvium: Fact or Fiction? THE JOURNAL OF CLINICAL AND AESTHETIC DERMATOLOGY 2020; 13:37-40. [PMID: 32308796 PMCID: PMC7159307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
BACKGROUND: Biotin is popular in hair loss treatment supplements, although the frequency of its deficiency in patients with hair loss has not been established. OBJECTIVES: This work sought to assess the serum levels of biotin in patients with telogen effluvium. METHODS: This case-control study included 60 patients with telogen effluvium and 20 control subjects. Subjects who were on biotin therapy three months prior to the study and those reporting other causes of hair loss were excluded. The scalp of each patient was clinically and dermoscopically examined. Serum biotin levels were measured using enzyme-linked immunosorbent assay kits. RESULTS: Serum levels of biotin were optimal in patients and control groups with no significant difference between the groups. Insignificantly lower biotin levels in elderly patients, smokers, athletes, those with a history of recurrent infections, and women who were pregnant and/or lactating were observed. There was also an insignificant positive correlation between the serum level of biotin and patient age and an insignificant negative correlation between disease duration and patient body mass index. Serum biotin has a weak specificity and sensitivity in differentiating between cases and control subjects or between acute and chronic telogen effluvium. CONCLUSION: There was no significant difference in serum biotin levels between cases and controls or between those with acute or chronic telogen effluvium.
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Affiliation(s)
| | - Rehab Mohammed Salem
- All authors are with the Faculty of Medicine at Benha University in Benha, Egypt
| | - Jehan Hassan Sabry
- All authors are with the Faculty of Medicine at Benha University in Benha, Egypt
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8
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Chaumont M, Tagliatti V, Channan EM, Colet JM, Bernard A, Morra S, Deprez G, Van Muylem A, Debbas N, Schaefer T, Faoro V, van de Borne P. Short halt in vaping modifies cardiorespiratory parameters and urine metabolome: a randomized trial. Am J Physiol Lung Cell Mol Physiol 2019; 318:L331-L344. [PMID: 31721596 PMCID: PMC7052663 DOI: 10.1152/ajplung.00268.2019] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Propylene glycol and glycerol are e-cigarette constituents that facilitate liquid vaporization and nicotine transport. As these small hydrophilic molecules quickly cross the lung epithelium, we hypothesized that short-term cessation of vaping in regular users would completely clear aerosol deposit from the lungs and reverse vaping-induced cardiorespiratory toxicity. We aimed to assess the acute effects of vaping and their reversibility on biological/clinical cardiorespiratory parameters [serum/urine pneumoproteins, hemodynamic parameters, lung-function test and diffusing capacities, transcutaneous gas tensions (primary outcome), and skin microcirculatory blood flow]. Regular e-cigarette users were enrolled in this randomized, investigator-blinded, three-period crossover study. The periods consisted of nicotine-vaping (nicotine-session), nicotine-free vaping (nicotine-free-session), and complete cessation of vaping (stop-session), all maintained for 5 days before the session began. Multiparametric metabolomic analyses were used to verify subjects' protocol compliance. Biological/clinical cardiorespiratory parameters were assessed at the beginning of each session (baseline) and after acute vaping exposure. Compared with the nicotine- and nicotine-free-sessions, a specific metabolomic signature characterized the stop-session. Baseline serum club cell protein-16 was higher during the stop-session than the other sessions (P < 0.01), and heart rate was higher in the nicotine-session (P < 0.001). Compared with acute sham-vaping in the stop-session, acute nicotine-vaping (nicotine-session) and acute nicotine-free vaping (nicotine-free-session) slightly decreased skin oxygen tension (P < 0.05). In regular e-cigarette-users, short-term vaping cessation seemed to shift baseline urine metabolome and increased serum club cell protein-16 concentration, suggesting a decrease in lung inflammation. Additionally, acute vaping with and without nicotine decreased slightly transcutaneous oxygen tension, likely as a result of lung gas exchanges disturbances.
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Affiliation(s)
- Martin Chaumont
- Department of Cardiology, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium.,Institute for Translational Research in Cardiovascular and Respiratory Sciences, Université Libre de Bruxelles, Brussels, Belgium
| | - Vanessa Tagliatti
- Department of Human Biology and Toxicology, University of Mons, Mons, Belgium
| | - El Mehdi Channan
- Department of Cardiology, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium.,Institute for Translational Research in Cardiovascular and Respiratory Sciences, Université Libre de Bruxelles, Brussels, Belgium
| | - Jean-Marie Colet
- Department of Human Biology and Toxicology, University of Mons, Mons, Belgium
| | - Alfred Bernard
- Laboratory of Toxicology and Applied Pharmacology, Institute of Experimental and Clinical Research, Université Catholique de Louvain, Brussels, Belgium
| | - Sofia Morra
- Department of Cardiology, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium.,Institute for Translational Research in Cardiovascular and Respiratory Sciences, Université Libre de Bruxelles, Brussels, Belgium
| | - Guillaume Deprez
- Department of Clinical Chemistry, Université Libre de Bruxelles, Brussels, Belgium
| | - Alain Van Muylem
- Chest Department, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Nadia Debbas
- Department of Cardiology, Centre Hospitalier Universitaire Saint-Pierre, Université Libre de Bruxelles, Brussels, Belgium
| | - Thomas Schaefer
- Cardio-Pulmonary Exercise Laboratory, Université Libre de Bruxelles, Brussels, Belgium
| | - Vitalie Faoro
- Cardio-Pulmonary Exercise Laboratory, Université Libre de Bruxelles, Brussels, Belgium
| | - Philippe van de Borne
- Department of Cardiology, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium.,Institute for Translational Research in Cardiovascular and Respiratory Sciences, Université Libre de Bruxelles, Brussels, Belgium
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9
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Li D, Radulescu A, Shrestha RT, Root M, Karger AB, Killeen AA, Hodges JS, Fan SL, Ferguson A, Garg U, Sokoll LJ, Burmeister LA. Association of Biotin Ingestion With Performance of Hormone and Nonhormone Assays in Healthy Adults. JAMA 2017; 318:1150-1160. [PMID: 28973622 PMCID: PMC5818818 DOI: 10.1001/jama.2017.13705] [Citation(s) in RCA: 94] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
IMPORTANCE Biotinylated antibodies and analogues, with their strong binding to streptavidin, are used in many clinical laboratory tests. Excess biotin in blood due to supplemental biotin ingestion may affect biotin-streptavidin binding, leading to potential clinical misinterpretation. However, the degree of interference remains undefined in healthy adults. OBJECTIVE To assess performance of specific biotinylated immunoassays after 7 days of ingesting 10 mg/d of biotin, a dose common in over-the-counter supplements for healthy adults. DESIGN, SETTING, AND PARTICIPANTS Nonrandomized crossover trial involving 6 healthy adults who were treated at an academic medical center research laboratory. EXPOSURE Administration of 10 mg/d of biotin supplementation for 7 days. MAIN OUTCOMES AND MEASURES Analyte concentrations were compared with baseline (day 0) measures on the seventh day of biotin treatment and 7 days after treatment had stopped (day 14). The 11 analytes included 9 hormones (ie, thyroid-stimulating hormone, total thyroxine, total triiodothyronine, free thyroxine, free triiodothyronine, parathyroid hormone, prolactin, N-terminal pro-brain natriuretic peptide, 25-hydroxyvitamin D) and 2 nonhormones (prostate-specific antigen and ferritin). A total of 37 immunoassays for the 11 analytes were evaluated on 4 diagnostic systems, including 23 assays that incorporated biotin and streptavidin components and 14 assays that did not include biotin and streptavidin components and served as negative controls. RESULTS Among the 2 women and 4 men (mean age, 38 years [range, 31-45 years]) who took 10 mg/d of biotin for 7 days, biotin ingestion-associated interference was found in 9 of the 23 (39%) biotinylated assays compared with none of the 14 nonbiotinylated assays (P = .007). Results from 5 of 8 biotinylated (63%) competitive immunoassays tested falsely high and results from 4 out of 15 (27%) biotinylated sandwich immunoassays tested falsely low. CONCLUSIONS AND RELEVANCE In this preliminary study of 6 healthy adult participants and 11 hormone and nonhormone analytes measured by 37 immunoassays, ingesting 10 mg/d of biotin for 1 week was associated with potentially clinically important assay interference in some but not all biotinylated assays studied. These findings should be considered for patients taking biotin supplements before ordering blood tests or when interpreting results. TRIAL REGISTRATION clinicaltrials.gov Identifier: NCT03034707.
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Affiliation(s)
- Danni Li
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis
| | - Angela Radulescu
- Department of Medicine, Division of Diabetes, Endocrinology and Metabolism, University of Minnesota, Minneapolis
| | - Rupendra T. Shrestha
- Department of Medicine, Division of Diabetes, Endocrinology and Metabolism, University of Minnesota, Minneapolis
| | - Matthew Root
- School of Medicine, University of Minnesota, Minneapolis
| | - Amy B. Karger
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis
| | - Anthony A. Killeen
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis
| | - James S. Hodges
- School of Public Health, Division of Biostatistics, University of Minnesota, Minneapolis
| | - Shu-Ling Fan
- Department of Pathology and Laboratory Medicine, Boston Medical Center, Boston, Massachusetts
| | - Angela Ferguson
- Department of Pathology and Laboratory Medicine, Children’s Mercy Hospitals, Kansas City, Missouri
| | - Uttam Garg
- Department of Pathology and Laboratory Medicine, Children’s Mercy Hospitals, Kansas City, Missouri
| | - Lori J. Sokoll
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Lynn A. Burmeister
- Department of Medicine, Division of Diabetes, Endocrinology and Metabolism, University of Minnesota, Minneapolis
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10
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Abstract
Biotin is a coenzyme for carboxylase enzymes that assist various metabolic reactions involved in fatty acid synthesis, branched-chain amino acid catabolism, and gluconeogenesis important for maintenance of healthy skin and hair. Due to its availability, affordability, and effective marketing for this purpose, biotin is a popular nutritional supplement for treatment of hair loss. However, there are little data on the frequency of biotin deficiency in patients complaining of hair loss and on the value of oral biotin for treatment of hair loss that is not due to an inborn error of biotin metabolism or deficiency. The aim of this study was to determine the frequency and significance of biotin deficiency in women complaining of hair loss. Biotin deficiency was found in 38% of women complaining of hair loss. Of those showing diffuse telogen effluvium in trichograms (24%), 35% had evidence of associated seborrheic-like dermatitis. About 11% of patients with biotin deficiency had a positive personal history for risk factors for biotin deficiency. The custom of treating women complaining of hair loss in an indiscriminate manner with oral biotin supplementation is to be rejected, unless biotin deficiency and its significance for the complaint of hair loss in an individual has been demonstrated on the basis of a careful patient history, clinical examination, determination of serum biotin levels, and exclusion of alternative factors responsible for hair loss.
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Affiliation(s)
- Ralph M Trüeb
- Center for Dermatology and Hair Diseases Professor Trüeb, Zurich-Wallisellen, Switzerland
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11
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Abstract
Nearly all obstetricians routinely prescribe prenatal vitamins to their pregnant patients at the time of the first prenatal visit. Many times, patients' understanding of the health benefits of prenatal vitamins differs substantially from that of the prescribing physician. The following is a review of the most common ingredients found in prenatal vitamins and their purported health benefits.
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Dunn WB, Lin W, Broadhurst D, Begley P, Brown M, Zelena E, Vaughan AA, Halsall A, Harding N, Knowles JD, Francis-McIntyre S, Tseng A, Ellis DI, O’Hagan S, Aarons G, Benjamin B, Chew-Graham S, Moseley C, Potter P, Winder CL, Potts C, Thornton P, McWhirter C, Zubair M, Pan M, Burns A, Cruickshank JK, Jayson GC, Purandare N, Wu FCW, Finn JD, Haselden JN, Nicholls AW, Wilson ID, Goodacre R, Kell DB. Molecular phenotyping of a UK population: defining the human serum metabolome. Metabolomics 2015; 11:9-26. [PMID: 25598764 PMCID: PMC4289517 DOI: 10.1007/s11306-014-0707-1] [Citation(s) in RCA: 150] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Accepted: 07/09/2014] [Indexed: 02/06/2023]
Abstract
Phenotyping of 1,200 'healthy' adults from the UK has been performed through the investigation of diverse classes of hydrophilic and lipophilic metabolites present in serum by applying a series of chromatography-mass spectrometry platforms. These data were made robust to instrumental drift by numerical correction; this was prerequisite to allow detection of subtle metabolic differences. The variation in observed metabolite relative concentrations between the 1,200 subjects ranged from less than 5 % to more than 200 %. Variations in metabolites could be related to differences in gender, age, BMI, blood pressure, and smoking. Investigations suggest that a sample size of 600 subjects is both necessary and sufficient for robust analysis of these data. Overall, this is a large scale and non-targeted chromatographic MS-based metabolomics study, using samples from over 1,000 individuals, to provide a comprehensive measurement of their serum metabolomes. This work provides an important baseline or reference dataset for understanding the 'normal' relative concentrations and variation in the human serum metabolome. These may be related to our increasing knowledge of the human metabolic network map. Information on the Husermet study is available at http://www.husermet.org/. Importantly, all of the data are made freely available at MetaboLights (http://www.ebi.ac.uk/metabolights/).
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Affiliation(s)
- Warwick B. Dunn
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
- Faculty of Engineering & Physical Sciences, Manchester Centre for Integrative Systems Biology, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
- Faculty of Medical and Human Sciences, Centre for Endocrinology and Diabetes, Institute of Human Development, The University of Manchester, Manchester, UK
- Centre for Advanced Discovery and Experimental Therapeutics (CADET), Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Sciences Centre, Manchester, M13 9WL UK
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Wanchang Lin
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
- Faculty of Medical and Human Sciences, Centre for Endocrinology and Diabetes, Institute of Human Development, The University of Manchester, Manchester, UK
- Centre for Advanced Discovery and Experimental Therapeutics (CADET), Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Sciences Centre, Manchester, M13 9WL UK
| | - David Broadhurst
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
- Department of Medicine, Katz Group Centre for Pharmacy & Health, University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - Paul Begley
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
- Faculty of Medical and Human Sciences, Centre for Endocrinology and Diabetes, Institute of Human Development, The University of Manchester, Manchester, UK
- Centre for Advanced Discovery and Experimental Therapeutics (CADET), Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Sciences Centre, Manchester, M13 9WL UK
| | - Marie Brown
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
- Faculty of Medical and Human Sciences, Centre for Endocrinology and Diabetes, Institute of Human Development, The University of Manchester, Manchester, UK
- Centre for Advanced Discovery and Experimental Therapeutics (CADET), Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Sciences Centre, Manchester, M13 9WL UK
| | - Eva Zelena
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
| | - Andrew A. Vaughan
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
| | - Antony Halsall
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
| | - Nadine Harding
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
| | - Joshua D. Knowles
- Faculty of Engineering & Physical Sciences, School of Computer Science, The University of Manchester, Manchester, M13 9PL UK
| | - Sue Francis-McIntyre
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
| | - Andy Tseng
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
| | - David I. Ellis
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
| | - Steve O’Hagan
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
| | - Gill Aarons
- Faculty of Medical & Human Sciences, Institute of Inflammation and Repair, Salford Royal Dermatopharmacology, The University of Manchester, Manchester, M6 8HD UK
| | - Boben Benjamin
- Clinical & Cognitive Neurosciences, Faculty of Medical & Human Sciences, Institute of Brain, Behaviour & Mental Health, The University of Manchester, Manchester, M13 9PT UK
| | - Stephen Chew-Graham
- Clinical & Cognitive Neurosciences, Faculty of Medical & Human Sciences, Institute of Brain, Behaviour & Mental Health, The University of Manchester, Manchester, M13 9PT UK
| | - Carly Moseley
- Faculty of Medical and Human Sciences, Institute of Cancer Sciences, Christie Hospital, The University of Manchester, Manchester, M20 4BX UK
| | - Paula Potter
- Faculty of Medical and Human Sciences, Institute of Cancer Sciences, Christie Hospital, The University of Manchester, Manchester, M20 4BX UK
| | - Catherine L. Winder
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
- Faculty of Engineering & Physical Sciences, Manchester Centre for Integrative Systems Biology, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
| | - Catherine Potts
- Faculty of Medical & Human Sciences, Institute of Human Development, The University of Manchester, Manchester, M13 9WL UK
| | - Paula Thornton
- Faculty of Medical and Human Sciences, Institute of Cancer Sciences, Christie Hospital, The University of Manchester, Manchester, M20 4BX UK
| | - Catriona McWhirter
- Faculty of Medical & Human Sciences, Institute of Human Development, The University of Manchester, Manchester, M13 9WL UK
| | - Mohammed Zubair
- Clinical & Cognitive Neurosciences, Faculty of Medical & Human Sciences, Institute of Brain, Behaviour & Mental Health, The University of Manchester, Manchester, M13 9PT UK
| | - Martin Pan
- Neurology and Gastrointestinal Centre of Excellence for Drug Discovery, GlaxoSmithKline, Third Avenue, Harlow, Essex, CM19 5AW UK
| | - Alistair Burns
- Clinical & Cognitive Neurosciences, Faculty of Medical & Human Sciences, Institute of Brain, Behaviour & Mental Health, The University of Manchester, Manchester, M13 9PT UK
| | - J. Kennedy Cruickshank
- Faculty of Medical & Human Sciences, Institute of Cardiovascular Sciences, The University of Manchester, Manchester, M13 9PT UK
- St Thomas’ Hospital, King’s College, University of London & King’s Health Partners, London, SE1 9NH UK
| | - Gordon C. Jayson
- Faculty of Medical and Human Sciences, Institute of Cancer Sciences, Christie Hospital, The University of Manchester, Manchester, M20 4BX UK
| | - Nitin Purandare
- Faculty of Medical & Human Sciences, Institute of Cardiovascular Sciences, The University of Manchester, Manchester, M13 9PT UK
| | - Frederick C. W. Wu
- Faculty of Medical & Human Sciences, Institute of Human Development, The University of Manchester, Manchester, M13 9WL UK
| | - Joe D. Finn
- Faculty of Medical & Human Sciences, Institute of Human Development, The University of Manchester, Manchester, M13 9WL UK
| | - John N. Haselden
- Investigative Preclinical Toxicology, GlaxoSmithKline, David Jack Centre for Research and Development, Park Road, Ware, Hertfordshire, SG12 0DP UK
| | - Andrew W. Nicholls
- Investigative Preclinical Toxicology, GlaxoSmithKline, David Jack Centre for Research and Development, Park Road, Ware, Hertfordshire, SG12 0DP UK
| | - Ian D. Wilson
- Faculty of Medicine, Department of Surgery & Cancer, Sir Alexander Fleming Building, Imperial College London, London, SW7 2AZ, UK
- DMPK Innovative Medicines, AstraZeneca, Cheshire, SK10 4TF UK
| | - Royston Goodacre
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
- Faculty of Engineering & Physical Sciences, Manchester Centre for Integrative Systems Biology, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
| | - Douglas B. Kell
- Faculty of Engineering and Physical Sciences, School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
- Faculty of Engineering & Physical Sciences, Manchester Centre for Integrative Systems Biology, Manchester Institute of Biotechnology, The University of Manchester, Manchester, M1 7DN UK
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Perry CA, West AA, Gayle A, Lucas LK, Yan J, Jiang X, Malysheva O, Caudill MA. Pregnancy and lactation alter biomarkers of biotin metabolism in women consuming a controlled diet. J Nutr 2014; 144:1977-84. [PMID: 25122647 PMCID: PMC4230210 DOI: 10.3945/jn.114.194472] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Biotin functions as a cofactor for several carboxylase enzymes with key roles in metabolism. At present, the dietary requirement for biotin is unknown and intake recommendations are provided as Adequate Intakes (AIs). The biotin AI for adults and pregnant women is 30 μg/d, whereas 35 μg/d is recommended for lactating women. However, pregnant and lactating women may require more biotin to meet the demands of these reproductive states. OBJECTIVE The current study sought to quantify the impact of reproductive state on biotin status response to a known dietary intake of biotin. METHODS To achieve this aim, we measured a panel of biotin biomarkers among pregnant (gestational week 27 at study entry; n = 26), lactating (postnatal week 5 at study entry; n = 28), and control (n = 21) women who participated in a 10- to 12-wk feeding study providing 57 μg of dietary biotin/d as part of a mixed diet. RESULTS Over the course of the study, pregnant women excreted 69% more (vs. control; P < 0.001) 3-hydroxyisovaleric acid (3-HIA), a metabolite that accumulates during the catabolism of leucine when the activity of biotin-dependent methylcrotonyl-coenzyme A carboxylase is impaired. Interestingly, urinary excretion of 3-hydroxyisovaleryl-carnitine (3-HIA-carnitine), a downstream metabolite of 3-HIA, was 27% lower (P = 0.05) among pregnant (vs. control) women, a finding that may arise from carnitine inadequacy during gestation. No differences (P > 0.05) were detected in plasma biotin, urinary biotin, or urinary bisnorbiotin between pregnant and control women. Lactating women excreted 76% more (vs. control; P = 0.001) of the biotin catabolite bisnorbiotin, indicating that lactation accelerates biotin turnover and loss. Notably, with respect to control women, lactating women excreted 23% less (P = 0.04) urinary 3-HIA and 26% less (P = 0.05) urinary 3-HIA-carnitine, suggesting that lactation reduces leucine catabolism and that these metabolites may not be useful indicators of biotin status during lactation. CONCLUSIONS Overall, these data demonstrate significant alterations in markers of biotin metabolism during pregnancy and lactation and suggest that biotin intakes exceeding current recommendations are needed to meet the demands of these reproductive states. This trial was registered at clinicaltrials.gov as NCT01127022.
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Affiliation(s)
- Cydne A Perry
- Shepherd University, Shepherdstown, WV; and,Division of Nutritional Sciences, Cornell University, Ithaca, NY
| | - Allyson A West
- Division of Nutritional Sciences, Cornell University, Ithaca, NY
| | - Antoinette Gayle
- Division of Nutritional Sciences, Cornell University, Ithaca, NY
| | - Lauren K Lucas
- Division of Nutritional Sciences, Cornell University, Ithaca, NY
| | - Jian Yan
- Division of Nutritional Sciences, Cornell University, Ithaca, NY
| | - Xinyin Jiang
- Division of Nutritional Sciences, Cornell University, Ithaca, NY
| | - Olga Malysheva
- Division of Nutritional Sciences, Cornell University, Ithaca, NY
| | - Marie A Caudill
- Division of Nutritional Sciences, Cornell University, Ithaca, NY
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15
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16
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Abstract
Human biotin requirements are unknown and the identification of reliable markers of biotin status is necessary to fill this knowledge gap. Here, we used an outpatient feeding protocol to create states of biotin deficiency, sufficiency and supplementation in sixteen healthy men and women. A total of twenty possible markers of biotin status were assessed, including the abundance of biotinylated carboxylases in lymphocytes, the expression of genes from biotin metabolism and the urinary excretion of biotin and organic acids. Only the abundance of biotinylated 3-methylcrotonyl-CoA carboxylase (holo-MCC) and propionyl-CoA carboxylase (holo-PCC) allowed for distinguishing biotin-deficient and biotin-sufficient individuals. The urinary excretion of biotin reliably identified biotin-supplemented subjects, but did not distinguish between biotin-depleted and biotin-sufficient individuals. The urinary excretion of 3-hydroxyisovaleric acid detected some biotin-deficient subjects, but produced a meaningful number of false-negative results and did not distinguish between biotin-sufficient and biotin-supplemented individuals. None of the other organic acids that were tested were useful markers of biotin status. Likewise, the abundance of mRNA coding for biotin transporters, holocarboxylase synthetase and biotin-dependent carboxylases in lymphocytes were not different among the treatment groups. Generally, datasets were characterised by variations that exceeded those seen in studies in cell cultures. We conclude that holo-MCC and holo-PCC are the most reliable, single markers of biotin status tested in the present study.
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Stratton SL, Henrich CL, Matthews NI, Bogusiewicz A, Dawson AM, Horvath TD, Owen SN, Boysen G, Moran JH, Mock DM. Marginal biotin deficiency can be induced experimentally in humans using a cost-effective outpatient design. J Nutr 2012; 142:22-6. [PMID: 22157538 PMCID: PMC3237229 DOI: 10.3945/jn.111.151621] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2011] [Revised: 09/29/2011] [Accepted: 10/21/2011] [Indexed: 11/14/2022] Open
Abstract
To date, marginal, asymptomatic biotin deficiency has been successfully induced experimentally by the use of labor-intensive inpatient designs requiring rigorous dietary control. We sought to determine if marginal biotin deficiency could be induced in humans in a less expensive outpatient design incorporating a self-selected, mixed general diet. We sought to examine the efficacy of three outpatient study designs: two based on oral avidin dosing and one based on a diet high in undenatured egg white for a period of 28 d. In study design 1, participants (n = 4; 3 women) received avidin in capsules with a biotin binding capacity of 7 times the estimated dietary biotin intake of a typical self-selected diet. In study design 2, participants (n = 2; 2 women) received double the amount of avidin capsules (14 times the estimated dietary biotin intake). In study design 3, participants (n = 5; 3 women) consumed egg-white beverages containing avidin with a biotin binding capacity of 7 times the estimated dietary biotin intake. Established indices of biotin status [lymphocyte propionyl-CoA carboxylase activity; urinary excretion of 3-hydroxyisovaleric acid, 3-hydroxyisovaleryl carnitine (3HIA-carnitine), and biotin; and plasma concentration of 3HIA-carnitine] indicated that study designs 1 and 2 were not effective in inducing marginal biotin deficiency, but study design 3 was as effective as previous inpatient study designs that induced deficiency by egg-white beverage. Marginal biotin deficiency can be induced experimentally by using a cost-effective outpatient design by avidin delivery in egg-white beverages. This design should be useful to the broader nutritional research community.
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Affiliation(s)
| | - Cindy L. Henrich
- Department of Biochemistry and Molecular Biology, College of Medicine
| | - Nell I. Matthews
- Department of Biochemistry and Molecular Biology, College of Medicine
| | - Anna Bogusiewicz
- Department of Biochemistry and Molecular Biology, College of Medicine
| | - Amanda M. Dawson
- Department of Biochemistry and Molecular Biology, College of Medicine
| | - Thomas D. Horvath
- Department of Biochemistry and Molecular Biology, College of Medicine
| | - Suzanne N. Owen
- Department of Biochemistry and Molecular Biology, College of Medicine
| | - Gunnar Boysen
- Department of Biochemistry and Molecular Biology, College of Medicine
| | - Jeffery H. Moran
- Department of Biochemistry and Molecular Biology, College of Medicine
| | - Donald M. Mock
- Department of Biochemistry and Molecular Biology, College of Medicine
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Horvath TD, Matthews NI, Stratton SL, Mock DM, Boysen G. Measurement of 3-hydroxyisovaleric acid in urine from marginally biotin-deficient humans by UPLC-MS/MS. Anal Bioanal Chem 2011; 401:2805-10. [PMID: 21892638 DOI: 10.1007/s00216-011-5356-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2011] [Revised: 08/18/2011] [Accepted: 08/22/2011] [Indexed: 12/01/2022]
Abstract
Measurement of 3-hydroxyisovaleric acid (3HIA) in human urine has been shown to be a useful indicator of biotin status for a variety of clinical situations, including pregnancy. The work described herein presents a novel UPLC-MS/MS method for accurate and precise quantitation of urinary 3HIA. This method utilizes sample preparation prior to quantitation that has been simplified compared to the previous GC-MS method. To demonstrate the suitability of the UPLC-MS/MS method for human bio-monitoring, this method was used to measure 3-HIA in 64 human urine samples from eight healthy adults in whom marginal biotin deficiency had been induced experimentally by egg white feeding. 3HIA was detected in all specimens; the mean concentration [±standard deviation (SD)] was 80.6 ± 51 μM prior to inducing biotin deficiency. Mean excretion rate for 3HIA (expressed per mol urinary creatinine) before beginning the biotin-deficient diet was 8.5 ± 3.2 mmol 3HIA per mol creatinine and the mean increased threefold with deficiency. These specimens had been previously analyzed by GC-MS; the two data sets showed strong linear relationship with a correlation coefficient of 0.97. These results provide evidence that this method is suitable for bio-monitoring of biotin status in larger populations.
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Affiliation(s)
- Thomas D Horvath
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
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Stratton SL, Horvath TD, Bogusiewicz A, Matthews NI, Henrich CL, Spencer HJ, Moran JH, Mock DM. Urinary excretion of 3-hydroxyisovaleryl carnitine is an early and sensitive indicator of marginal biotin deficiency in humans. J Nutr 2011; 141:353-8. [PMID: 21248194 PMCID: PMC3040900 DOI: 10.3945/jn.110.135772] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Mounting evidence indicates that marginal biotin deficiency is not rare, contrary to previous assumptions. Accordingly, robust indicators of biotin status would be useful. In a study of 10 healthy adults, we recently provided evidence that abnormally increased plasma concentration of 3-hydroxyisovaleryl carnitine (3HIA-carnitine) is a sensitive indicator of marginal biotin deficiency. We sought to determine whether urinary excretion of 3HIA-carnitine (expressed as the ratio to urinary creatinine) significantly increases in marginal biotin deficiency. Marginal, asymptomatic biotin deficiency was induced experimentally in the same 10 healthy adults (8 women) by feeding undenatured egg white with meals for 28 d. Biotin status was repleted by a mixed general diet plus biotin supplementation. Urinary excretion of 3HIA-carnitine was determined by liquid chromatography-tandem MS on d 0, 14, and 28 (depletion) and on d 35 and 50 (repletion). Mean urinary 3HIA-carnitine concentration increased with depletion (P < 0.0001; d 0 vs. 28) and decreased with repletion (P = 0.0002; d 28 vs. 50). Urinary 3HIA-carnitine excretion was greater than the upper limit of normal in 9 of 10 participants by d 14 and decreased to within normal limits by d 50 in all participants. This study provides evidence that urinary excretion of 3HIA-carnitine is an early and sensitive indicator of marginal biotin deficiency. The ease of collection of untimed urine samples and application of a new analytical method with simplified sample preparation suggest that urinary 3HIA-carnitine is likely to be a useful indicator for large population studies.
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Affiliation(s)
- Shawna L. Stratton
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR 72205
| | - Thomas D. Horvath
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR 72205
| | - Anna Bogusiewicz
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR 72205
| | - Nell I. Matthews
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR 72205
| | - Cindy L. Henrich
- Clinical Research Center and Center for Clinical and Translational Research, University of Arkansas for Medical Sciences, Little Rock, AR 72205
| | - Horace J. Spencer
- Clinical Research Center and Center for Clinical and Translational Research, University of Arkansas for Medical Sciences, Little Rock, AR 72205,Division of Biostatistics, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR 72205
| | - Jeffery H. Moran
- Arkansas Department of Health, Public Health Laboratory and Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR 72205
| | - Donald M. Mock
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR 72205,To whom correspondence should be addressed. E-mail:
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Stratton SL, Horvath TD, Bogusiewicz A, Matthews NI, Henrich CL, Spencer HJ, Moran JH, Mock DM. Plasma concentration of 3-hydroxyisovaleryl carnitine is an early and sensitive indicator of marginal biotin deficiency in humans. Am J Clin Nutr 2010; 92:1399-405. [PMID: 20943794 PMCID: PMC2980966 DOI: 10.3945/ajcn.110.002543] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Blood-based indicators of biotin status in humans were shown to be useful tools in several clinical situations, including pregnancy. We previously validated the activity of the biotin-dependent enzyme propionyl-coenzyme A carboxylase (PCC) in lymphocytes as a sensitive and specific blood-based indicator of marginal degrees of biotin deficiency. However, the measurement of PCC activity in population studies presents substantial analytic challenges. 3-Hydroxyisovaleryl carnitine (3HIA-carnitine) increases in response to the decreased activity of the biotin-dependent enzyme methylcrotonyl-coenzyme A carboxylase and might reflect biotin status. OBJECTIVE We sought to determine whether the plasma concentration of 3HIA-carnitine increases significantly in marginal biotin deficiency. DESIGN We experimentally induced marginal, asymptomatic biotin deficiency in 10 healthy adults (8 women) by having the subjects consume undenatured egg white for 28 d; biotin status was then repleted. Plasma concentrations of 3HIA-carnitine were measured on days 0, 14, 28, 35, and 50 by liquid chromatography-mass spectroscopy. RESULTS The mean plasma 3HIA-carnitine concentration increased with depletion (P < 0.0001) and decreased with repletion (P < 0.0001). Plasma 3HIA-carnitine concentrations were greater than the upper limit of normal concentrations in 7 of 10 subjects by day 14 and in 9 of 10 subjects by day 28 and decreased to within normal limits in 9 of 10 subjects by day 50. CONCLUSIONS These studies provide evidence that 3HIA-carnitine is an early and sensitive indicator of marginal biotin deficiency. The ease of sample collection, small sample volume requirement, and stability of 3HIA-carnitine during storage suggest that plasma 3HIA-carnitine concentration is likely to be a useful indicator of marginal biotin deficiency for larger population studies.
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Affiliation(s)
- Shawna L Stratton
- Departments of Biochemistry and Molecular Biology and Pediatrics and the Division of Biostatistics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
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Daniells S, Hardy G. Hair loss in long-term or home parenteral nutrition: are micronutrient deficiencies to blame? Curr Opin Clin Nutr Metab Care 2010; 13:690-7. [PMID: 20823774 DOI: 10.1097/mco.0b013e32833ece02] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW To review the key nutritional factors associated with hair loss in long-term parenteral nutrition patients. RECENT FINDINGS The phenomenon of unexplained hair loss is multifactorial, and nonstandard definitions are applied. Deficiencies of essential fatty acids resulting in alopecia and other symptoms appear to have been eliminated by regular use of lipid-containing parenteral nutrition. Zinc is the most frequently suspected deficiency with rapid clinical responses reported from zinc therapy. Alopecia in some infants on parenteral nutrition has been relieved in a few weeks by selenium supplementation as selenite. There may be a relationship between iron depletion and diffuse hair loss in home parenteral nutrition patients at higher risk of anaemia. A serum ferritin level of 70 μg/l should be targeted when hair loss is unexplained. However, there is limited data correlating cessation of hair loss with iron therapy and insufficient evidence to recommend iron supplementation in patients without anaemia. Parenteral nutrition-associated biotin deficiency has not been reported since the vitamin has been routinely added to parenteral nutrition. However, marginal biotin status, associated with diffuse hair loss, could still be prevalent. SUMMARY Micronutrient status is infrequently monitored and current recommendations for supplementation are nonspecific for hair loss in long-term parenteral nutrition. Studies are required to determine the incidence of marginal zinc, selenium, iron or biotin deficiencies that could manifest as hair loss.
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Affiliation(s)
- Suzie Daniells
- Department of Nutrition and Dietetics, Prince of Wales Hospital, Randwick NSW, Australia.
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Baxter JH, Phillips RR, Dowlati L, Goehring KC, Johns PW. Direct Determination of β-Hydroxy-β-Methylbutyrate (HMB) in Liquid Nutritional Products. FOOD ANAL METHOD 2010. [DOI: 10.1007/s12161-010-9173-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Abstract
Biotin is a water-soluble vitamin and serves as a coenzyme for five carboxylases in humans. Biotin is also covalently attached to distinct lysine residues in histones, affecting chromatin structure and mediating gene regulation. This review describes mammalian biotin metabolism, biotin analysis, markers of biotin status, and biological functions of biotin. Proteins such as holocarboxylase synthetase, biotinidase, and the biotin transporters SMVT and MCT1 play crucial roles in biotin homeostasis, and these roles are reviewed here. Possible effects of inadequate biotin intake, drug interactions, and inborn errors of metabolism are discussed, including putative effects on birth defects.
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Affiliation(s)
- Janos Zempleni
- Department of Nutrition and Health Sciences, University of Nebraska-Lincoln, 316 Ruth Leverton Hall, Lincoln, NE 68583-0806, USA.
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Abstract
Biotin is a water-soluble vitamin that serves as an essential coenzyme for five carboxylases in mammals. Biotin-dependent carboxylases catalyze the fixation of bicarbonate in organic acids and play crucial roles in the metabolism of fatty acids, amino acids and glucose. Carboxylase activities decrease substantially in response to biotin deficiency. Biotin is also covalently attached to histones; biotinylated histones are enriched in repeat regions in the human genome and appear to play a role in transcriptional repression of genes and genome stability. Biotin deficiency may be caused by insufficient dietary uptake of biotin, drug-vitamin interactions and, perhaps, by increased biotin catabolism during pregnancy and in smokers. Biotin deficiency can also be precipitated by decreased activities of the following proteins that play critical roles in biotin homeostasis: the vitamin transporters sodium-dependent multivitamin transporter and monocarboxylate transporter 1, which mediate biotin transport in the intestine, liver and peripheral tissues, and renal reabsorption; holocarboxylase synthetase, which mediates the binding of biotin to carboxylases and histones; and biotinidase, which plays a central role in the intestinal absorption of biotin, the transport of biotin in plasma and the regulation of histone biotinylation. Symptoms of biotin deficiency include seizures, hypotonia, ataxia, dermatitis, hair loss, mental retardation, ketolactic acidosis, organic aciduria and also fetal malformations. This review focuses on the deficiencies of both biotin and biotinidase, and the medical management of such cases.
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Affiliation(s)
- Janos Zempleni
- Department of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, NE 68586, USA, Tel.: +1 402 472 3270, ,
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Stratton SL, Bogusiewicz A, Mock MM, Mock NI, Wells AM, Mock DM. Lymphocyte propionyl-CoA carboxylase and its activation by biotin are sensitive indicators of marginal biotin deficiency in humans. Am J Clin Nutr 2006. [DOI: 10.1093/ajcn/84.2.384] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Shawna L Stratton
- From the Departments of Biochemistry and Molecular Biology (SLS, AB, MMM, DMM, and NIM) and of Pediatrics (DMM), University of Arkansas for Medical Sciences, Little Rock, AR, and the General Clinical Research Center of the University of Arkansas for Medical Sciences, John L McClellan Veterans Hospital, Little Rock, AR (AW and DMM)
| | - Anna Bogusiewicz
- From the Departments of Biochemistry and Molecular Biology (SLS, AB, MMM, DMM, and NIM) and of Pediatrics (DMM), University of Arkansas for Medical Sciences, Little Rock, AR, and the General Clinical Research Center of the University of Arkansas for Medical Sciences, John L McClellan Veterans Hospital, Little Rock, AR (AW and DMM)
| | - Matthew M Mock
- From the Departments of Biochemistry and Molecular Biology (SLS, AB, MMM, DMM, and NIM) and of Pediatrics (DMM), University of Arkansas for Medical Sciences, Little Rock, AR, and the General Clinical Research Center of the University of Arkansas for Medical Sciences, John L McClellan Veterans Hospital, Little Rock, AR (AW and DMM)
| | - Nell I Mock
- From the Departments of Biochemistry and Molecular Biology (SLS, AB, MMM, DMM, and NIM) and of Pediatrics (DMM), University of Arkansas for Medical Sciences, Little Rock, AR, and the General Clinical Research Center of the University of Arkansas for Medical Sciences, John L McClellan Veterans Hospital, Little Rock, AR (AW and DMM)
| | - Amanda M Wells
- From the Departments of Biochemistry and Molecular Biology (SLS, AB, MMM, DMM, and NIM) and of Pediatrics (DMM), University of Arkansas for Medical Sciences, Little Rock, AR, and the General Clinical Research Center of the University of Arkansas for Medical Sciences, John L McClellan Veterans Hospital, Little Rock, AR (AW and DMM)
| | - Donald M Mock
- From the Departments of Biochemistry and Molecular Biology (SLS, AB, MMM, DMM, and NIM) and of Pediatrics (DMM), University of Arkansas for Medical Sciences, Little Rock, AR, and the General Clinical Research Center of the University of Arkansas for Medical Sciences, John L McClellan Veterans Hospital, Little Rock, AR (AW and DMM)
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Stratton SL, Bogusiewicz A, Mock MM, Mock NI, Wells AM, Mock DM. Lymphocyte propionyl-CoA carboxylase and its activation by biotin are sensitive indicators of marginal biotin deficiency in humans. Am J Clin Nutr 2006; 84:384-8. [PMID: 16895887 PMCID: PMC1539098 DOI: 10.1093/ajcn/84.1.384] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Marginal biotin deficiency may be a human teratogen. A biotin status indicator that is not dependent on renal function may be useful in studies of biotin status during pregnancy. A previous study of experimental biotin deficiency suggested that propionyl-coenzyme A carboxylase (PCC) activity in peripheral blood lymphocytes (PBLs) is a sensitive indicator of biotin status. OBJECTIVE We examined the utility of measuring PCC activity and the activation of PCC by biotin in detecting marginal biotin deficiency. DESIGN Marginal biotin deficiency was induced in 7 adults (3 women) by egg-white feeding for 28 d. Blood and urine were obtained on days 0, 14, and 28 (depletion phase) and 44 and 65 (repletion phase). PBLs were incubated with (activated) or without (control) biotin before PCC assay. The activation coefficient of PCC is the ratio of PCC activity in activated PBLs to that in control PBLs. The significance of differences for all measurements was tested by repeated-measures analysis of variance with Fisher's post hoc test and Bonferroni correction. RESULTS Changes in the urinary excretion of biotin and of 3-hydroxyisovaleric acid confirmed that marginal biotin deficiency was successfully induced. By day 14, PCC activity had decreased (P < 0.0001) to below the lower limit of normal in all subjects. By day 28, the activation coefficient of PCC had increased significantly (P = 0.003) and was above the upper limit of normal in 6 of 7 subjects. CONCLUSION PCC activity is the most sensitive indicator of biotin status tested to date. In future pregnancy studies, the use of lymphocyte PCC activity data should prove valuable in the assessment of biotin status.
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Affiliation(s)
- Shawna L Stratton
- Departments of Biochemistry and Molecular Biology and of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
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