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Effect of 6-Month Vitamin D Supplementation on Plasma Matrix Gla Protein in Older Adults
Vitamin D supplementation has been widely promoted to restore 25-hydroxyvitamin D concentrations; however, experimental evidence suggests a nutrient interaction with vitamin K. We assessed the effects of 1200 IU vitamin D(3) per day versus placebo for six months on vitamin K status in a randomized,...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6413026/ https://www.ncbi.nlm.nih.gov/pubmed/30678199 http://dx.doi.org/10.3390/nu11020231 |
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author | van Ballegooijen, Adriana J. Beulens, Joline W. J. Schurgers, Leon J. de Koning, Elisa J. Lips, Paul van Schoor, Natasja M. Vervloet, Marc G. |
author_facet | van Ballegooijen, Adriana J. Beulens, Joline W. J. Schurgers, Leon J. de Koning, Elisa J. Lips, Paul van Schoor, Natasja M. Vervloet, Marc G. |
author_sort | van Ballegooijen, Adriana J. |
collection | PubMed |
description | Vitamin D supplementation has been widely promoted to restore 25-hydroxyvitamin D concentrations; however, experimental evidence suggests a nutrient interaction with vitamin K. We assessed the effects of 1200 IU vitamin D(3) per day versus placebo for six months on vitamin K status in a randomized, double-blind, placebo-controlled trial with participants aged 60–80 years with depressive symptoms and ≥1 functional limitation for a secondary analysis. Stored baseline and six-month follow-up blood samples were available for 131 participants (n = 65 placebo vs. n = 66 vitamin D supplementation). We measured dephosphorylated uncarboxylated matrix gla protein (MGP) (dp-ucMGP) concentrations—a marker of vitamin K deficiency. Mean age was 68 years, and 89 participants (68%) were women. Vitamin K antagonists were used by 16 participants and multivitamin supplements by 50 participants. No differences in change between intervention and placebo were found (−38.5 ± 389 vs. 4.5 ± 127 (pmol/L), p = 0.562). When excluding vitamin K antagonist users and multivitamin users, dp-ucMGP at follow-up was significantly higher in the vitamin D group (n = 40) compared to placebo (n = 30), with a difference of 92.8 (5.7, 180) pmol/L, adjusting for baseline dp-ucMGP and sex. In conclusion, vitamin D supplementation for six months did not affect vitamin K status; however, among participants without vitamin K antagonist or multivitamin use, vitamin D supplementation influenced dp-ucMGP concentrations. |
format | Online Article Text |
id | pubmed-6413026 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-64130262019-04-09 Effect of 6-Month Vitamin D Supplementation on Plasma Matrix Gla Protein in Older Adults van Ballegooijen, Adriana J. Beulens, Joline W. J. Schurgers, Leon J. de Koning, Elisa J. Lips, Paul van Schoor, Natasja M. Vervloet, Marc G. Nutrients Article Vitamin D supplementation has been widely promoted to restore 25-hydroxyvitamin D concentrations; however, experimental evidence suggests a nutrient interaction with vitamin K. We assessed the effects of 1200 IU vitamin D(3) per day versus placebo for six months on vitamin K status in a randomized, double-blind, placebo-controlled trial with participants aged 60–80 years with depressive symptoms and ≥1 functional limitation for a secondary analysis. Stored baseline and six-month follow-up blood samples were available for 131 participants (n = 65 placebo vs. n = 66 vitamin D supplementation). We measured dephosphorylated uncarboxylated matrix gla protein (MGP) (dp-ucMGP) concentrations—a marker of vitamin K deficiency. Mean age was 68 years, and 89 participants (68%) were women. Vitamin K antagonists were used by 16 participants and multivitamin supplements by 50 participants. No differences in change between intervention and placebo were found (−38.5 ± 389 vs. 4.5 ± 127 (pmol/L), p = 0.562). When excluding vitamin K antagonist users and multivitamin users, dp-ucMGP at follow-up was significantly higher in the vitamin D group (n = 40) compared to placebo (n = 30), with a difference of 92.8 (5.7, 180) pmol/L, adjusting for baseline dp-ucMGP and sex. In conclusion, vitamin D supplementation for six months did not affect vitamin K status; however, among participants without vitamin K antagonist or multivitamin use, vitamin D supplementation influenced dp-ucMGP concentrations. MDPI 2019-01-22 /pmc/articles/PMC6413026/ /pubmed/30678199 http://dx.doi.org/10.3390/nu11020231 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article van Ballegooijen, Adriana J. Beulens, Joline W. J. Schurgers, Leon J. de Koning, Elisa J. Lips, Paul van Schoor, Natasja M. Vervloet, Marc G. Effect of 6-Month Vitamin D Supplementation on Plasma Matrix Gla Protein in Older Adults |
title | Effect of 6-Month Vitamin D Supplementation on Plasma Matrix Gla Protein in Older Adults |
title_full | Effect of 6-Month Vitamin D Supplementation on Plasma Matrix Gla Protein in Older Adults |
title_fullStr | Effect of 6-Month Vitamin D Supplementation on Plasma Matrix Gla Protein in Older Adults |
title_full_unstemmed | Effect of 6-Month Vitamin D Supplementation on Plasma Matrix Gla Protein in Older Adults |
title_short | Effect of 6-Month Vitamin D Supplementation on Plasma Matrix Gla Protein in Older Adults |
title_sort | effect of 6-month vitamin d supplementation on plasma matrix gla protein in older adults |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6413026/ https://www.ncbi.nlm.nih.gov/pubmed/30678199 http://dx.doi.org/10.3390/nu11020231 |
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