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  1. Article ; Online: d-

    Williams, Dean / Jamshidi, Mohammad P / St Michael, Frank / Chisholm, Kenneth / Cox, Andrew / Sauvageau, Janelle

    The Journal of organic chemistry

    2021  Volume 86, Issue 3, Page(s) 2184–2199

    Abstract: ... Recently, newly discovered pathogen-associated molecular patterns, d- ...

    Abstract Pathogen-associated molecular patterns activate the immune system via pattern recognition receptors. Recently, newly discovered pathogen-associated molecular patterns, d-
    MeSH term(s) Heptoses ; Humans ; Immunologic Factors ; Phosphates ; Phosphorylation
    Chemical Substances Heptoses ; Immunologic Factors ; Phosphates ; mannoheptose
    Language English
    Publishing date 2021-01-15
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 123490-0
    ISSN 1520-6904 ; 0022-3263
    ISSN (online) 1520-6904
    ISSN 0022-3263
    DOI 10.1021/acs.joc.0c02333
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Quantification of murine myocardial infarct size using 2-D and 4-D high-frequency ultrasound.

    Dann, Melissa M / Clark, Sydney Q / Trzaskalski, Natasha A / Earl, Conner C / Schepers, Luke E / Pulente, Serena M / Lennord, Ebonee N / Annamalai, Karthik / Gruber, Joseph M / Cox, Abigail D / Lorenzen-Schmidt, Ilka / Seymour, Richard / Kim, Kyoung-Han / Goergen, Craig J / Mulvihill, Erin E

    American journal of physiology. Heart and circulatory physiology

    2022  Volume 322, Issue 3, Page(s) H359–H372

    Abstract: ... study aims to demonstrate the efficacy of quantitating infarct size via two-dimensional (2-D ... echocardiographic akinetic length and four-dimensional (4-D) echocardiographic infarct volume and surface area ... left coronary artery ligation. Ejection fraction and infarct size were measured through 2-D and 4-D ...

    Abstract Ischemic heart disease is the leading cause of death in the United States, Canada, and worldwide. Severe disease is characterized by coronary artery occlusion, loss of blood flow to the myocardium, and necrosis of tissue, with subsequent remodeling of the heart wall, including fibrotic scarring. The current study aims to demonstrate the efficacy of quantitating infarct size via two-dimensional (2-D) echocardiographic akinetic length and four-dimensional (4-D) echocardiographic infarct volume and surface area as in vivo analysis techniques. We further describe and evaluate a new surface area strain analysis technique for estimating myocardial infarction (MI) size after ischemic injury. Experimental MI was induced in mice via left coronary artery ligation. Ejection fraction and infarct size were measured through 2-D and 4-D echocardiography. Infarct size established via histology was compared with ultrasound-based metrics via linear regression analysis. Two-dimensional echocardiographic akinetic length (
    MeSH term(s) Algorithms ; Animals ; Cardiac Output ; Female ; Heart Ventricles/diagnostic imaging ; Heart Ventricles/pathology ; Heart Ventricles/physiopathology ; Imaging, Three-Dimensional/methods ; Imaging, Three-Dimensional/standards ; Male ; Mice ; Myocardial Infarction/diagnostic imaging ; Myocardial Infarction/pathology ; Myocardial Infarction/physiopathology ; Sensitivity and Specificity ; Ultrasonography/methods ; Ultrasonography/standards
    Language English
    Publishing date 2022-01-07
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 603838-4
    ISSN 1522-1539 ; 0363-6135
    ISSN (online) 1522-1539
    ISSN 0363-6135
    DOI 10.1152/ajpheart.00476.2021
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: D-dimer as a Rule-Out for Aortic Dissection.

    Carter, Jeremy M / Tom, Roshan B / Sunesra, Raheed / Bilby, Nathaniel J / Mireles, Blake / Paul, Krishna K / Koscumb, Paul A / Cox, Mitchell W / Jehle, Dietrich V

    Cureus

    2023  Volume 15, Issue 12, Page(s) e50170

    Abstract: ... case. Furthermore, limited research on D-dimer's utility in ruling out AAD has been conducted due ... patients. The objective is to evaluate the sensitivity of an elevated D-dimer level in diagnosing AAD ... this dataset, there were 1,319 patients identified with a confirmed AAD who had undergone D-dimer testing ...

    Abstract Introduction Acute aortic dissection (AAD) represents a significant diagnostic challenge with a high mortality rate if not treated promptly. This challenge arises from the diverse clinical presentations of AAD, and its symptom overlap with other medical conditions. Although both helical CT and transesophageal echocardiography are reliable diagnostic tools for AAD, they are not feasible for every suspected case. Furthermore, limited research on D-dimer's utility in ruling out AAD has been conducted due to the condition's rarity. Methods This study utilizes the TriNetX database (https://trinetx.com/), encompassing data from 54 healthcare organizations across the United States over the past two decades from 85 million patients. The objective is to evaluate the sensitivity of an elevated D-dimer level in diagnosing AAD across a much larger patient cohort than previously studied. Results Retrospectively analyzing this dataset, there were 1,319 patients identified with a confirmed AAD who had undergone D-dimer testing within a day of diagnosis. Of these, 1,252 patients exhibited D-dimer levels exceeding 400 ng/ml while 1,227 had levels surpassing 500 ng/ml. Notably, a D-dimer cutoff of 400 ng/ml demonstrated a sensitivity of 0.949 while a 500 ng/ml cutoff yielded a sensitivity of 0.930. Conclusion This large retrospective cohort study demonstrates that a blood D-dimer level is highly sensitive in assaying for AAD. The D-dimer levels analyzed showed a remarkable sensitivity in ruling out AAD, avoiding the need for more invasive testing in low-risk patients.
    Language English
    Publishing date 2023-12-08
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.50170
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Assessment of serum total 25-hydroxyvitamin D assay commutability of Standard Reference Materials and College of American Pathologists Accuracy-Based Vitamin D (ABVD) Scheme and Vitamin D External Quality Assessment Scheme (DEQAS) materials: Vitamin D Standardization Program (VDSP) Commutability Study 2.

    Camara, Johanna E / Wise, Stephen A / Hoofnagle, Andrew N / Williams, Emma L / Carter, Graham D / Jones, Julia / Burdette, Carolyn Q / Hahm, Grace / Nalin, Federica / Kuszak, Adam J / Merkel, Joyce / Durazo-Arvizu, Ramón A / Lukas, Pierre / Cavalier, Étienne / Popp, Christian / Beckert, Christian / Schultess, Jan / Van Slooten, Glen / Tourneur, Carole /
    Pease, Camille / Kaul, Ravi / Villarreal, Alfredo / Ivison, Fiona / Fischer, Ralf / van den Ouweland, Jody M W / Ho, Chung S / Law, Emmett W K / Simard, Jean-Nicolas / Gonthier, Renaud / Holmquist, Brett / Batista, Marcelo Cidade / Pham, Heather / Bennett, Alex / Meadows, Sarah / Cox, Lorna / Jansen, Eugene / Khan, Dilshad Ahmed / Robyak, Kimberly / Creer, Michael H / Kilbane, Mark / Twomey, Patrick J / Freeman, James / Parker, Neil / Yuan, Jinyun / Fitzgerald, Robert / Mushtaq, Sohail / Clarke, Michael W / Breen, Norma / Simpson, Christine / Sempos, Christopher T

    Analytical and bioanalytical chemistry

    2021  Volume 413, Issue 20, Page(s) 5067–5084

    Abstract: An interlaboratory study was conducted through the Vitamin D Standardization Program (VDSP ... assessment (PT/EQA) samples for determination of serum total 25-hydroxyvitamin D [25(OH)D] using ligand ... serum samples were assigned target values for 25-hydroxyvitamin D ...

    Abstract An interlaboratory study was conducted through the Vitamin D Standardization Program (VDSP) to assess commutability of Standard Reference Materials® (SRMs) and proficiency testing/external quality assessment (PT/EQA) samples for determination of serum total 25-hydroxyvitamin D [25(OH)D] using ligand binding assays and liquid chromatography-tandem mass spectrometry (LC-MS/MS). A set of 50 single-donor serum samples were assigned target values for 25-hydroxyvitamin D
    MeSH term(s) Humans ; Reference Standards ; Societies, Medical/standards ; Specimen Handling ; Vitamin D/analogs & derivatives ; Vitamin D/blood ; Vitamin D/chemistry
    Chemical Substances Vitamin D (1406-16-2) ; 25-hydroxyvitamin D (A288AR3C9H)
    Language English
    Publishing date 2021-06-28
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 201093-8
    ISSN 1618-2650 ; 0016-1152 ; 0372-7920
    ISSN (online) 1618-2650
    ISSN 0016-1152 ; 0372-7920
    DOI 10.1007/s00216-021-03470-w
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Assessment of serum total 25-hydroxyvitamin D assays for Vitamin D External Quality Assessment Scheme (DEQAS) materials distributed at ambient and frozen conditions.

    Sempos, Christopher T / Williams, Emma L / Carter, Graham D / Jones, Julia / Camara, Johanna E / Burdette, Carolyn Q / Hahm, Grace / Nalin, Federica / Duewer, David L / Kuszak, Adam J / Merkel, Joyce / Hoofnagle, Andrew N / Lukas, Pierre / Cavalier, Étienne / Durazo-Arvizu, Ramón A / Crump, Peter M / Popp, Christian / Beckert, Christian / Schultess, Jan /
    Van Slooten, Glen / Tourneur, Carole / Pease, Camille / Kaul, Ravi / Villarreal, Alfredo / Ivison, Fiona / Fischer, Ralf / van den Ouweland, Jody M W / Ho, Chung S / Law, Emmett W K / Simard, Jean-Nicolas / Gonthier, Renaud / Holmquist, Brett / Batista, Marcelo Cidade / Meadows, Sarah / Cox, Lorna / Jansen, Eugene / Khan, Dilshad Ahmed / Robyak, Kimberly / Creer, Michael H / Kilbane, Mark / Twomey, Patrick J / Freeman, James / Parker, Neil / Yuan, Jinyun / Fitzgerald, Robert / Mushtaq, Sohail / Clarke, Michael W / Breen, Norma / Simpson, Christine / Wise, Stephen A

    Analytical and bioanalytical chemistry

    2021  Volume 414, Issue 2, Page(s) 1015–1028

    Abstract: The Vitamin D External Quality Assessment Scheme (DEQAS) distributes human serum samples four times ... per year to over 1000 participants worldwide for the determination of total serum 25-hydroxyvitamin D [25 ... OH)D)]. These samples are stored at -40 °C prior to distribution and the participants are instructed ...

    Abstract The Vitamin D External Quality Assessment Scheme (DEQAS) distributes human serum samples four times per year to over 1000 participants worldwide for the determination of total serum 25-hydroxyvitamin D [25(OH)D)]. These samples are stored at -40 °C prior to distribution and the participants are instructed to store the samples frozen at -20 °C or lower after receipt; however, the samples are shipped to participants at ambient conditions (i.e., no temperature control). To address the question of whether shipment at ambient conditions is sufficient for reliable performance of various 25(OH)D assays, the equivalence of DEQAS human serum samples shipped under frozen and ambient conditions was assessed. As part of a Vitamin D Standardization Program (VDSP) commutability study, two sets of the same nine DEQAS samples were shipped to participants at ambient temperature and frozen on dry ice. Twenty-eight laboratories participated in this study and provided 34 sets of results for the measurement of 25(OH)D using 20 ligand binding assays and 14 liquid chromatography-tandem mass spectrometry (LC-MS/MS) methods. Equivalence of the assay response for the frozen versus ambient DEQAS samples for each assay was evaluated using multi-level modeling, paired t-tests including a false discovery rate (FDR) approach, and ordinary least squares linear regression analysis of frozen versus ambient results. Using the paired t-test and confirmed by FDR testing, differences in the results for the ambient and frozen samples were found to be statistically significant at p < 0.05 for four assays (DiaSorin, DIAsource, Siemens, and SNIBE prototype). For all 14 LC-MS/MS assays, the differences in the results for the ambient- and frozen-shipped samples were not found to be significant at p < 0.05 indicating that these analytes were stable during shipment at ambient conditions. Even though assay results have been shown to vary considerably among different 25(OH)D assays in other studies, the results of this study also indicate that sample handling/transport conditions may influence 25(OH)D assay response for several assays.
    MeSH term(s) Chromatography, Liquid/methods ; Freezing ; Humans ; Tandem Mass Spectrometry/methods ; Vitamin D/analogs & derivatives ; Vitamin D/blood
    Chemical Substances Vitamin D (1406-16-2) ; 25-hydroxyvitamin D (A288AR3C9H)
    Language English
    Publishing date 2021-11-09
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 201093-8
    ISSN 1618-2650 ; 0016-1152 ; 0372-7920
    ISSN (online) 1618-2650
    ISSN 0016-1152 ; 0372-7920
    DOI 10.1007/s00216-021-03742-5
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Extra-striatal D

    Jaworska, Natalia / Cox, Sylvia M L / Tippler, Maria / Castellanos-Ryan, Natalie / Benkelfat, Chawki / Parent, Sophie / Dagher, Alain / Vitaro, Frank / Boivin, Michel / Pihl, Robert O / Côté, Sylvana M / Tremblay, Richard E / Séguin, Jean R / Leyton, Marco

    Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology

    2020  Volume 45, Issue 9, Page(s) 1498–1505

    Abstract: The neurobiological traits that confer risk for addictions remain poorly understood. However, dopaminergic function throughout the prefrontal cortex, limbic system, and upper brainstem has been implicated in behavioral features that influence addiction ... ...

    Abstract The neurobiological traits that confer risk for addictions remain poorly understood. However, dopaminergic function throughout the prefrontal cortex, limbic system, and upper brainstem has been implicated in behavioral features that influence addiction vulnerability, including poor impulse control, and altered sensitivity to rewards and punishments (i.e., externalizing features). To test these associations in humans, we measured type-2/3 dopamine receptor (DA
    MeSH term(s) Adolescent ; Corpus Striatum/diagnostic imaging ; Corpus Striatum/metabolism ; Humans ; Impulsive Behavior ; Positron-Emission Tomography ; Receptors, Dopamine D2/metabolism ; Receptors, Dopamine D3/metabolism
    Chemical Substances Receptors, Dopamine D2 ; Receptors, Dopamine D3
    Language English
    Publishing date 2020-04-07
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 639471-1
    ISSN 1740-634X ; 0893-133X
    ISSN (online) 1740-634X
    ISSN 0893-133X
    DOI 10.1038/s41386-020-0662-7
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: d-Glycero-β-d-Manno-Heptose 1-Phosphate and d-Glycero-β-d-Manno-Heptose 1,7-Biphosphate Are Both Innate Immune Agonists.

    Adekoya, Itunuoluwa A / Guo, Cynthia X / Gray-Owen, Scott D / Cox, Andrew D / Sauvageau, Janelle

    Journal of immunology (Baltimore, Md. : 1950)

    2018  Volume 201, Issue 8, Page(s) 2385–2391

    Abstract: d-Glycero-β-d-manno-heptose 1,7-biphosphate (β-HBP) is a novel microbial-associated molecular ... embryonic kidney cells (HEK 293T) and colonic epithelial cells (HCT 116). Of the analogs tested, only d ... glycero-β-d-manno-heptose 1-phosphate (β-HMP) induced TIFA-dependent NF-κB activation and cytokine ...

    Abstract d-Glycero-β-d-manno-heptose 1,7-biphosphate (β-HBP) is a novel microbial-associated molecular pattern that triggers inflammation and thus has the potential to act as an immune modulator in many therapeutic contexts. To better understand the structure-activity relationship of this molecule, we chemically synthesized analogs of β-HBP and tested their ability to induce canonical TIFA-dependent inflammation in human embryonic kidney cells (HEK 293T) and colonic epithelial cells (HCT 116). Of the analogs tested, only d-glycero-β-d-manno-heptose 1-phosphate (β-HMP) induced TIFA-dependent NF-κB activation and cytokine production in a manner similar to β-HBP. This finding expands the spectrum of metabolites from the Gram-negative ADP-heptose biosynthesis pathway that can function as innate immune agonists and provides a more readily available agonist of the TIFA-dependent inflammatory pathway that can be easily produced by synthetic methods.
    MeSH term(s) Adaptor Proteins, Signal Transducing/metabolism ; Gram-Negative Bacteria/physiology ; HEK293 Cells ; Heptoses/chemical synthesis ; Heptoses/immunology ; Humans ; Immunity, Innate ; Immunization ; Immunologic Factors/chemical synthesis ; Immunologic Factors/immunology ; Inflammation/chemically induced ; Inflammation/immunology ; Mannose/chemical synthesis ; Mannose/immunology ; Pathogen-Associated Molecular Pattern Molecules/immunology ; Phosphates/chemical synthesis ; Phosphates/immunology ; Pyrans/chemical synthesis ; Pyrans/immunology ; Signal Transduction ; Structure-Activity Relationship ; Substrate Specificity
    Chemical Substances Adaptor Proteins, Signal Transducing ; Heptoses ; Immunologic Factors ; Pathogen-Associated Molecular Pattern Molecules ; Phosphates ; Pyrans ; TIFA protein, human ; d-glycero-beta-d-manno-heptose 1,7-biphosphate ; d-glycero-beta-d-manno-heptose 1-phosphate ; glycero-manno-heptose (4305-74-2) ; Mannose (PHA4727WTP)
    Language English
    Publishing date 2018-09-17
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 3056-9
    ISSN 1550-6606 ; 0022-1767 ; 1048-3233 ; 1047-7381
    ISSN (online) 1550-6606
    ISSN 0022-1767 ; 1048-3233 ; 1047-7381
    DOI 10.4049/jimmunol.1801012
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Assessment of serum total 25-hydroxyvitamin D assays for Vitamin D External Quality Assessment Scheme (DEQAS) materials distributed at ambient and frozen conditions

    Sempos, Christopher T. / Williams, Emma L. / Carter, Graham D. / Jones, Julia / Camara, Johanna E. / Burdette, Carolyn Q. / Hahm, Grace / Nalin, Federica / Duewer, David L. / Kuszak, Adam J. / Merkel, Joyce / Hoofnagle, Andrew N. / Lukas, Pierre / Cavalier, Étienne / Durazo-Arvizu, Ramón A. / Crump, Peter M. / Popp, Christian / Beckert, Christian / Schultess, Jan /
    Van Slooten, Glen / Tourneur, Carole / Pease, Camille / Kaul, Ravi / Villarreal, Alfredo / Ivison, Fiona / Fischer, Ralf / van den Ouweland, Jody M. W. / Ho, Chung S. / Law, Emmett W. K. / Simard, Jean-Nicolas / Gonthier, Renaud / Holmquist, Brett / Batista, Marcelo Cidade / Meadows, Sarah / Cox, Lorna / Jansen, Eugene / Khan, Dilshad Ahmed / Robyak, Kimberly / Creer, Michael H. / Kilbane, Mark / Twomey, Patrick J. / Freeman, James / Parker, Neil / Yuan, Jinyun / Fitzgerald, Robert / Mushtaq, Sohail / Clarke, Michael W. / Breen, Norma / Simpson, Christine / Wise, Stephen A.

    Analytical and bioanalytical chemistry. 2022 Jan., v. 414, no. 2

    2022  

    Abstract: The Vitamin D External Quality Assessment Scheme (DEQAS) distributes human serum samples four times ... per year to over 1000 participants worldwide for the determination of total serum 25-hydroxyvitamin D [25 ... OH)D)]. These samples are stored at −40 °C prior to distribution and the participants are instructed ...

    Abstract The Vitamin D External Quality Assessment Scheme (DEQAS) distributes human serum samples four times per year to over 1000 participants worldwide for the determination of total serum 25-hydroxyvitamin D [25(OH)D)]. These samples are stored at −40 °C prior to distribution and the participants are instructed to store the samples frozen at −20 °C or lower after receipt; however, the samples are shipped to participants at ambient conditions (i.e., no temperature control). To address the question of whether shipment at ambient conditions is sufficient for reliable performance of various 25(OH)D assays, the equivalence of DEQAS human serum samples shipped under frozen and ambient conditions was assessed. As part of a Vitamin D Standardization Program (VDSP) commutability study, two sets of the same nine DEQAS samples were shipped to participants at ambient temperature and frozen on dry ice. Twenty-eight laboratories participated in this study and provided 34 sets of results for the measurement of 25(OH)D using 20 ligand binding assays and 14 liquid chromatography–tandem mass spectrometry (LC–MS/MS) methods. Equivalence of the assay response for the frozen versus ambient DEQAS samples for each assay was evaluated using multi-level modeling, paired t-tests including a false discovery rate (FDR) approach, and ordinary least squares linear regression analysis of frozen versus ambient results. Using the paired t-test and confirmed by FDR testing, differences in the results for the ambient and frozen samples were found to be statistically significant at p < 0.05 for four assays (DiaSorin, DIAsource, Siemens, and SNIBE prototype). For all 14 LC–MS/MS assays, the differences in the results for the ambient- and frozen-shipped samples were not found to be significant at p < 0.05 indicating that these analytes were stable during shipment at ambient conditions. Even though assay results have been shown to vary considerably among different 25(OH)D assays in other studies, the results of this study also indicate that sample handling/transport conditions may influence 25(OH)D assay response for several assays.
    Keywords ambient temperature ; analytical chemistry ; blood serum ; chemical species ; dry ice ; humans ; ligands ; liquid chromatography ; prototypes ; t-test ; tandem mass spectrometry
    Language English
    Dates of publication 2022-01
    Size p. 1015-1028.
    Publishing place Springer Berlin Heidelberg
    Document type Article
    ISSN 1618-2642
    DOI 10.1007/s00216-021-03742-5
    Database NAL-Catalogue (AGRICOLA)

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  9. Article ; Online: Vitamin D deficiency in Europe: pandemic?

    Cashman, Kevin D / Dowling, Kirsten G / Škrabáková, Zuzana / Gonzalez-Gross, Marcela / Valtueña, Jara / De Henauw, Stefaan / Moreno, Luis / Damsgaard, Camilla T / Michaelsen, Kim F / Mølgaard, Christian / Jorde, Rolf / Grimnes, Guri / Moschonis, George / Mavrogianni, Christina / Manios, Yannis / Thamm, Michael / Mensink, Gert Bm / Rabenberg, Martina / Busch, Markus A /
    Cox, Lorna / Meadows, Sarah / Goldberg, Gail / Prentice, Ann / Dekker, Jacqueline M / Nijpels, Giel / Pilz, Stefan / Swart, Karin M / van Schoor, Natasja M / Lips, Paul / Eiriksdottir, Gudny / Gudnason, Vilmundur / Cotch, Mary Frances / Koskinen, Seppo / Lamberg-Allardt, Christel / Durazo-Arvizu, Ramon A / Sempos, Christopher T / Kiely, Mairead

    The American journal of clinical nutrition

    2016  Volume 103, Issue 4, Page(s) 1033–1044

    Abstract: Background: Vitamin D deficiency has been described as being pandemic, but serum 25-hydroxyvitamin ... D [25(OH)D] distribution data for the European Union are of very variable quality. The NIH-led ... international Vitamin D Standardization Program (VDSP) has developed protocols for standardizing existing 25(OH ...

    Abstract Background: Vitamin D deficiency has been described as being pandemic, but serum 25-hydroxyvitamin D [25(OH)D] distribution data for the European Union are of very variable quality. The NIH-led international Vitamin D Standardization Program (VDSP) has developed protocols for standardizing existing 25(OH)D values from national health/nutrition surveys.
    Objective: This study applied VDSP protocols to serum 25(OH)D data from representative childhood/teenage and adult/older adult European populations, representing a sizable geographical footprint, to better quantify the prevalence of vitamin D deficiency in Europe.
    Design: The VDSP protocols were applied in 14 population studies [reanalysis of subsets of serum 25(OH)D in 11 studies and complete analysis of all samples from 3 studies that had not previously measured it] by using certified liquid chromatography-tandem mass spectrometry on biobanked sera. These data were combined with standardized serum 25(OH)D data from 4 previously standardized studies (for a total n= 55,844). Prevalence estimates of vitamin D deficiency [using various serum 25(OH)D thresholds] were generated on the basis of standardized 25(OH)D data.
    Results: An overall pooled estimate, irrespective of age group, ethnic mix, and latitude of study populations, showed that 13.0% of the 55,844 European individuals had serum 25(OH)D concentrations <30 nmol/L on average in the year, with 17.7% and 8.3% in those sampled during the extended winter (October-March) and summer (April-November) periods, respectively. According to an alternate suggested definition of vitamin D deficiency (<50 nmol/L), the prevalence was 40.4%. Dark-skinned ethnic subgroups had much higher (3- to 71-fold) prevalence of serum 25(OH)D <30 nmol/L than did white populations.
    Conclusions: Vitamin D deficiency is evident throughout the European population at prevalence rates that are concerning and that require action from a public health perspective. What direction these strategies take will depend on European policy but should aim to ensure vitamin D intakes that are protective against vitamin D deficiency in the majority of the European population.
    MeSH term(s) Adolescent ; Adult ; Aged ; Aged, 80 and over ; Child ; Child, Preschool ; Chromatography, Liquid ; Databases, Factual ; Europe/epidemiology ; Female ; Humans ; Infant ; Male ; Middle Aged ; Nutrition Surveys ; Nutritional Status ; Pandemics ; Prevalence ; Seasons ; Tandem Mass Spectrometry ; Vitamin D/analogs & derivatives ; Vitamin D/blood ; Vitamin D Deficiency/blood ; Vitamin D Deficiency/epidemiology ; Vitamin D Deficiency/ethnology ; Young Adult
    Chemical Substances Vitamin D (1406-16-2) ; 25-hydroxyvitamin D (A288AR3C9H)
    Language English
    Publishing date 2016-02-10
    Publishing country United States
    Document type Journal Article
    ZDB-ID 280048-2
    ISSN 1938-3207 ; 0002-9165
    ISSN (online) 1938-3207
    ISSN 0002-9165
    DOI 10.3945/ajcn.115.120873
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Measurement of the Dependence of the Hadron Production Fraction Ratios f_{s}/f_{u} and f_{d}/f_{u} on B Meson Kinematic Variables in Proton-Proton Collisions at sqrt[s]=13  TeV.

    Tumasyan, A / Adam, W / Andrejkovic, J W / Bergauer, T / Chatterjee, S / Damanakis, K / Dragicevic, M / Escalante Del Valle, A / Hussain, P S / Jeitler, M / Krammer, N / Lechner, L / Liko, D / Mikulec, I / Paulitsch, P / Schieck, J / Schöfbeck, R / Schwarz, D / Sonawane, M /
    Templ, S / Waltenberger, W / Wulz, C-E / Darwish, M R / Janssen, T / Kello, T / Rejeb Sfar, H / Van Mechelen, P / Bols, E S / D'Hondt, J / De Moor, A / Delcourt, M / El Faham, H / Lowette, S / Morton, A / Müller, D / Sahasransu, A R / Tavernier, S / Van Doninck, W / Van Putte, S / Vannerom, D / Clerbaux, B / De Lentdecker, G / Favart, L / Hohov, D / Jaramillo, J / Lee, K / Mahdavikhorrami, M / Makarenko, I / Malara, A / Paredes, S / Pétré, L / Postiau, N / Thomas, L / Vanden Bemden, M / Vander Velde, C / Vanlaer, P / Dobur, D / Knolle, J / Lambrecht, L / Mestdach, G / Rendón, C / Samalan, A / Skovpen, K / Tytgat, M / Van Den Bossche, N / Vermassen, B / Wezenbeek, L / Benecke, A / Bruno, G / Bury, F / Caputo, C / David, P / Delaere, C / Donertas, I S / Giammanco, A / Jaffel, K / Jain, Sa / Lemaitre, V / Mondal, K / Taliercio, A / Tran, T T / Vischia, P / Wertz, S / Alves, G A / Coelho, E / Hensel, C / Moraes, A / Rebello Teles, P / Aldá Júnior, W L / Alves Gallo Pereira, M / Barroso 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    Physical review letters

    2023  Volume 131, Issue 12, Page(s) 121901

    Abstract: ... to B^{+} meson production fractions, f_{d}/f_{u}, is also measured, for the first time in proton-proton ...

    Abstract The dependence of the ratio between the B_{s}^{0} and B^{+} hadron production fractions, f_{s}/f_{u}, on the transverse momentum (p_{T}) and rapidity of the B mesons is studied using the decay channels B_{s}^{0}→J/ψϕ and B^{+}→J/ψK^{+}. The analysis uses a data sample of proton-proton collisions at a center-of-mass energy of 13 TeV, collected by the CMS experiment in 2018 and corresponding to an integrated luminosity of 61.6  fb^{-1}. The f_{s}/f_{u} ratio is observed to depend on the B p_{T} and to be consistent with becoming asymptotically constant at large p_{T}. No rapidity dependence is observed. The ratio of the B^{0} to B^{+} meson production fractions, f_{d}/f_{u}, is also measured, for the first time in proton-proton collisions, using the B^{0}→J/ψK^{*0} decay channel. The result is found to be within 1 standard deviation of unity and independent of p_{T} and rapidity, as expected from isospin invariance.
    Language English
    Publishing date 2023-10-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.131.121901
    Database MEDical Literature Analysis and Retrieval System OnLINE

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