Endocrinology Unit 2, University of Pisa, Pisa, Italy
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Laboratory of Clinical Pathology, University Hospital of Pisa, Pisa, Italy
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measurement. To achieve a good performance, laboratories are required to have 75% of assessable results within ±25% of the true values from DEQAS. The accurate measurement of 25 hydroxyvitamin D3 (25OHD3) status was carried out by isotope dilution mass
Fondazione Italiana Ricerca sulle Malattie dell’Osso (FIRMO Onlus), Florence, Italy
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to a reference procedure (isotope dilution mass spectrometry) and automatized on a Cobas 8000. Serum VDBP was measured by enzyme-linked immuno assay method (R&D Systems). BPA analysis was performed on urine samples using the HPLC/mass spectrometry by
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Medical Research Council (MRC) Human Nutrition Research, MRC Keneba, Elsie Widdowson Laboratories, Fulbourn Road, Cambridge CB1 9NL, UK
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Medical Research Council (MRC) Human Nutrition Research, MRC Keneba, Elsie Widdowson Laboratories, Fulbourn Road, Cambridge CB1 9NL, UK
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status and intestinal integrity Two-day weighed dietary assessment was conducted using Gambian food composition tables (26) in the same way as described previously (13) . H. pylori infection was determined using a non-invasive stable isotope urea
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used for free ranging animals ( 29 , 30 , 31 , 32 ). The breath samples were used for measurement of the 13 C: 12 C isotope ratios (δ 13 C, ‰) using an IRIS (infrared isotope analyzer system, 13 C Wagner Analysen Technik GmbH, Bremen, Germany
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Department of Clinical Science, Department of Medicine, Division of Medicine, University of Bergen, 5021 Bergen, Norway
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Department of Clinical Science, Department of Medicine, Division of Medicine, University of Bergen, 5021 Bergen, Norway
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Department of Clinical Science, Department of Medicine, Division of Medicine, University of Bergen, 5021 Bergen, Norway
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molecular weight of wt 21OH (56 kDa) were cut out for trypsin treatment. Stable isotope-labelled synthetic peptides (N-terminal replacement of lysine ( 13 C 6 , 15 N 2 ) or arginine ( 13 C 6 , 15 N 4 ) respectively) were added in constant amount before
Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Department of Clinical Biochemistry, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
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Department of Clinical Biochemistry, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
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Department of Pediatrics, Copenhagen University Hospital - Herlev & Gentofte, Copenhagen, Denmark
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Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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-0564) using a Wallac DBS Puncher (PerkinElme). Cortisol was extracted from the DBS with 200 μL extraction solvent (acetonitrile/water: 80:20) containing the stable isotopically labeled cortisol-( 13 C3) internal standard (30 nmol/L) by vigorously mixing
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Winterer JC Loriaux DL . Daily cortisol production rate in man determuned by stable isotope dilution/mass spectrometry . Journal of Clinical Endocrinology and Metabolism 1991 72 39 – 45 . ( https://doi.org/10.1210/jcem-72-1-39 ) 10.1210/jcem-72
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-specific symptoms, as well as knowledge regarding the patient’s overall condition. However, they also decided that clinical knowledge alone was inadequate for predicting whether a NEN would be progressive or exhibit a stable disease. Although a wait-and-see strategy
International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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to inclusion of more samples when using the mean of yearly dichotomized values, but it could also reflect a more general exposure and hence a more stable effect on the epigenome in contrast to same-day levels. Our study population was peri
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lines, Lec1 (ATCC CRL-1735) or Lec2 (ATCC CRL-1736), for recombinant protein expression ( 12 ). As previously observed ( 24 ), variability in the expression of CBG constructs in CHO cell lines is likely due to differences in the proportion of stably