Results 81 to 90 of about 2,375 (233)

Folate, vitamin B12 and vitamin D status in healthy and active home-dwelling people over 70 years

BMC Geriatrics, 2023
Background Ageing is characterised by physiological changes that can affect the nutrient availability and requirements. In particular, the status of vitamin D, cobalamin and folate has often been found to be critical in older people living in residential
Felix Kerlikowsky, Jan Philipp Schuchardt, Andreas Hahn   +2 more
doaj   +1 more source

Vitamin B12 in Leber hereditary optic neuropathy mutation carriers: a prospective cohort study

Orphanet Journal of Rare Diseases, 2022
Background Leber hereditary optic neuropathy (LHON) is the most common mitochondrial disorder, frequently resulting in acute or subacute severe bilateral central vision loss.
Julia Zibold, Bettina von Livonius, Hana Kolarova, Günter Rudolph, Claudia S. Priglinger, Thomas Klopstock, Claudia B. Catarino   +6 more
doaj   +1 more source

Evaluating the Diagnostic Value of a Combined Indicator of Vitamin B12 Status (cB12) Throughout Pregnancy

Frontiers in Nutrition, 2022
BackgroundInadequate provision of vitamin B12 during pregnancy is associated with a number of adverse maternal and fetal outcomes. We set out to (1) suggest pregnancy-specific reference ranges for a range of biomarkers of vitamin B12; (2) assess the ...
Marie-Joe Dib, Marie-Joe Dib, Maria Gumban-Marasigan, Rozzie Yoxall, Toby Andrew, Dominic J. Harrington, Dominic J. Harrington, Agata Sobczyńska-Malefora, Agata Sobczyńska-Malefora, Kourosh R. Ahmadi   +9 more
doaj   +1 more source

Folate catabolites in spot urine as non-invasive biomarkers of folate status during habitual intake and folic acid supplementation. [PDF]

, 2013
Folate status, as reflected by red blood cell (RCF) and plasma folates (PF), is related to health and disease risk. Folate degradation products para-aminobenzoylglutamate (pABG) and para-acetamidobenzoylglutamate (apABG) in 24 hour urine have recently ...
A Lobo, A Schulze, AA Sokoro, AA West, AC Verkleij-Hagoort, AD Smith, Astrid Rauh-Pfeiffer, B Hooshmand, B Shane, Berthold Koletzko, DB Matchar, Diego Moretti, DL McKay, DS Wald, EC Witte, FL Geoghegan, H Bartels, H Bozbas, H Refsum, HA Kim, Hans Demmelmair, J McPartlin, J Seppala, JF Gregory, JF Gregory III, JF Gregory III, JF Gregory III, JF Gregory III, JJ Tomaszewski, JM Wolfe, K Pietrzik, KC Scott, KS Crider, L Hao, LA Houghton, LE Daly, M Ebbing, M Herrmann, MA Caudill, MA Caudill, Mareile Niesser, Marola van Lipzig, PA Kownacki-Brown, R Hannisdal, R Prinz-Langenohl, R Prinz-Langenohl, RA Jacob, RF Minchin, S Bart Sr, S Mönch, S O’Broin, S-C Chuang, SA Harris, SJ Mann, TE Stites, Thea Weith, U Ericson, V Veeranna, Wolfgang Peissner, Wouter Vaes, YI Kim, Zulfiqar A. Bhutta   +61 more
core   +3 more sources

Serum Total Vitamin B12 or Active Vitamin B12: Which is a Better Marker for Vitamin B12 Deficiency during Pregnancy? A Retrospective Cohort Study from South India

Current Medical Issues
Background: Serum Vitamin B12 level is routinely analyzed using total Vitamin B12 assay. It can also be analyzed by active B12 assay. In this study, we compared the association of total and active Vitamin B12 levels with maternal medical complications ...
Rosa Mariam Mathew, G. Jayakumar Amirtharaj, N. D. Varunashree, Maya Pavalasseril Ganeshan, Anuja Abraham, Swati Rathore, Pamela Christudoss, Gowri Mahasampath, Dheeraj Kattula   +8 more
doaj   +1 more source

Holotranscobalamin: Not Ready for Prime Time

Clinical Chemistry, 2012
To the Editor: In their recent article in Clinical Chemistry (1), Valente and colleagues advocate that holotranscobalamin II (holoTC)1 become the primary diagnostic test of vitamin B12 status. I believe that study flaws undercut the authors' recommendation.
openaire   +2 more sources

Plasma total homocysteine status of vegetarians compared with omnivores: a systematic review and meta-analysis [PDF]

, 2013
There is strong evidence indicating that elevated plasma total homocysteine (tHcy) levels are a major independent biomarker and/or a contributor to chronic conditions, such as CVD. A deficiency of vitamin B12 can elevate homocysteine.
Chappell, David, Dunnett, Andrew, Obersby, Derek, Tsiami, Amalia   +3 more
core   +1 more source

Serum Transcobalamin Concentration in Cats—Method Validation and Evaluation in Chronic Enteropathies and Other Conditions

Veterinary Sciences
Hypocobalaminemia is common in cats with chronic enteropathy (FCE). However, the disruptions in cobalamin metabolism are not fully understood and may vary across species.
Tim Kunath, Stefanie Kather, Franziska Dengler, Ebba Nexo, Helga Pfannkuche, Romy M. Heilmann   +5 more
doaj   +1 more source

Controversies in NEN: An ENETS position statement on nutritional support in neuroendocrine neoplasms

Journal of Neuroendocrinology, Volume 37, Issue 12, December 2025.
Abstract Neuroendocrine neoplasms (NEN) themselves and also their treatment may cause malnutrition, inducing changes in physiological behaviour and eventually leading to increased rates of morbidity and mortality. Malnutrition is a common, under‐recognised and under‐treated condition in patients with NEN, and there are limited data available on the ...
Simona Grozinsky‐Glasberg, Johannes Hofland, Stephanie Alband, Yasmin Chotai de Lima, Adina Croitoru, Wanda Geilvoet, Peter Igaz, Beata Kos‐Kudła, Guenter J. Krejs, Alessandro Laviano, Francesco Panzuto, Anguraj Sadanandam, Ana Paula Santos, Staffan Welin, Rajaventhan Srirajaskanthan, V. Ambrosini, D. K. Bartsch, E. Baudin, N. Begum, E. Christ, J. Cros, T. Denecke, C. M. Deroose, C. Dromain, M. Falconi, N. Fazio, L. Fernandez‐Cuesta, R. Garcia‐Carbonero, A. Grossman, G. Kaltsas, A. Kasajima, A. Kjaer, G. Klöppel, U. P. Knigge, A. Lamarca, S. W. Langer, T. V. Luong, W. Martin, M. McNamara, D. O'Toole, S. Partelli, M. Pavel, A. Perren, R. Salazar, J. Schrader, H. Sorbye, A. Sowa‐Staszczak, E.‐J. Speel, P. Stalberg, M. Tesselaar, E. Tiensuu Janson, M. Tsoli, M. Volante, T. Walter   +53 more
wiley   +1 more source

Iodine status during pregnancy in India and related neonatal and infant outcomes [PDF]

, 2013
Objective: To document iodine status in Indian pregnancies, associations with maternal diet and demographics, and offspring developmental measures.
Andersson, Blazer, Bleichrodt, Chakraborty, Chakraborty, Chanoine, Chittaranjan S Yajnik, Dattatray S Bhat, Deepa A Raut, Emilie Combet, Hamrosi, Himangi G Lubree, Kapil, Kapil, Kapil, Kapil, Katre, Kochupillai, Kumar, Mackerras, Mazumdar, Mike EJ Lean, Misra, Morven IFA Lean, Rao, Rendina, Saikia, Sooch, Suyog M Joshi   +28 more
core   +2 more sources