Association of maternal and cord plasma total, free and bioavailable 25-hyrodroxyvitamin D with neonatal anthropometric measurements at birth: a preliminary study in a private hospital

Introduction: 25-hydroxyvitamin D (25OHD) is the principal biomarker of vitamin D status. In circulation, 25OHD is primarily bound to vitamin D binding protein (VDBP), leaving a small proportion bound to albumin and as free form. Previous studies have suggested that free 25OHD is better correlated w...

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Main Authors: Lee, Siew Siew, Loh, Su Peng, Subramaniam, Raman, Tusimin, Maiza, Ling, King Hwa, Rahim, Kartini Farah
Format: Article
Language:English
Published: Faculty of Medicine and Health Sciences, Universiti Putra Malaysia 2020
Online Access:http://psasir.upm.edu.my/id/eprint/76923/1/2020011611554204_MJMHS_0452.pdf
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author Lee, Siew Siew
Loh, Su Peng
Subramaniam, Raman
Tusimin, Maiza
Ling, King Hwa
Rahim, Kartini Farah
author_facet Lee, Siew Siew
Loh, Su Peng
Subramaniam, Raman
Tusimin, Maiza
Ling, King Hwa
Rahim, Kartini Farah
author_sort Lee, Siew Siew
collection UPM
description Introduction: 25-hydroxyvitamin D (25OHD) is the principal biomarker of vitamin D status. In circulation, 25OHD is primarily bound to vitamin D binding protein (VDBP), leaving a small proportion bound to albumin and as free form. Previous studies have suggested that free 25OHD is better correlated with health outcomes. However, in pregnancy where VDBP level is extremely elevated, the correlations between free 25OHD with health outcomes are far from conclusive. Here we show the associations of maternal and cord total, free and bioavailable 25OHD con-currently with neonatal anthropometric measurements in healthy pregnant mothers-neonates pairs. Method: Total 25OHD level was measured by using chemiluminescent immunoassay. Free and bioavailable 25OHD were calculated using published mathematical models. Results: The results showed that birth weight and head circumference were negatively associated with maternal total 25OHD but not significantly associated with free and bioavailable 25OHD. There were no significant associations between cord total, free and bioavailable 25OHD with any of the neonatal anthropometric measurements. Conclusion: The outcomes of this study should encourage further research in a larger sample size. Notably, future research could lead to the establishment of causative relationships and plausible mechanisms between maternal and cord 25OHD with neonatal anthropometric measurements.
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spelling upm.eprints-769232020-03-03T09:17:47Z http://psasir.upm.edu.my/id/eprint/76923/ Association of maternal and cord plasma total, free and bioavailable 25-hyrodroxyvitamin D with neonatal anthropometric measurements at birth: a preliminary study in a private hospital Lee, Siew Siew Loh, Su Peng Subramaniam, Raman Tusimin, Maiza Ling, King Hwa Rahim, Kartini Farah Introduction: 25-hydroxyvitamin D (25OHD) is the principal biomarker of vitamin D status. In circulation, 25OHD is primarily bound to vitamin D binding protein (VDBP), leaving a small proportion bound to albumin and as free form. Previous studies have suggested that free 25OHD is better correlated with health outcomes. However, in pregnancy where VDBP level is extremely elevated, the correlations between free 25OHD with health outcomes are far from conclusive. Here we show the associations of maternal and cord total, free and bioavailable 25OHD con-currently with neonatal anthropometric measurements in healthy pregnant mothers-neonates pairs. Method: Total 25OHD level was measured by using chemiluminescent immunoassay. Free and bioavailable 25OHD were calculated using published mathematical models. Results: The results showed that birth weight and head circumference were negatively associated with maternal total 25OHD but not significantly associated with free and bioavailable 25OHD. There were no significant associations between cord total, free and bioavailable 25OHD with any of the neonatal anthropometric measurements. Conclusion: The outcomes of this study should encourage further research in a larger sample size. Notably, future research could lead to the establishment of causative relationships and plausible mechanisms between maternal and cord 25OHD with neonatal anthropometric measurements. Faculty of Medicine and Health Sciences, Universiti Putra Malaysia 2020 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/76923/1/2020011611554204_MJMHS_0452.pdf Lee, Siew Siew and Loh, Su Peng and Subramaniam, Raman and Tusimin, Maiza and Ling, King Hwa and Rahim, Kartini Farah (2020) Association of maternal and cord plasma total, free and bioavailable 25-hyrodroxyvitamin D with neonatal anthropometric measurements at birth: a preliminary study in a private hospital. Malaysian Journal of Medicine and Health Sciences, 16 (1). pp. 24-31. ISSN 1675-8544; ESSN: 2636-9346 https://medic.upm.edu.my/upload/dokumen/2020011611554204_MJMHS_0452.pdf
spellingShingle Lee, Siew Siew
Loh, Su Peng
Subramaniam, Raman
Tusimin, Maiza
Ling, King Hwa
Rahim, Kartini Farah
Association of maternal and cord plasma total, free and bioavailable 25-hyrodroxyvitamin D with neonatal anthropometric measurements at birth: a preliminary study in a private hospital
title Association of maternal and cord plasma total, free and bioavailable 25-hyrodroxyvitamin D with neonatal anthropometric measurements at birth: a preliminary study in a private hospital
title_full Association of maternal and cord plasma total, free and bioavailable 25-hyrodroxyvitamin D with neonatal anthropometric measurements at birth: a preliminary study in a private hospital
title_fullStr Association of maternal and cord plasma total, free and bioavailable 25-hyrodroxyvitamin D with neonatal anthropometric measurements at birth: a preliminary study in a private hospital
title_full_unstemmed Association of maternal and cord plasma total, free and bioavailable 25-hyrodroxyvitamin D with neonatal anthropometric measurements at birth: a preliminary study in a private hospital
title_short Association of maternal and cord plasma total, free and bioavailable 25-hyrodroxyvitamin D with neonatal anthropometric measurements at birth: a preliminary study in a private hospital
title_sort association of maternal and cord plasma total free and bioavailable 25 hyrodroxyvitamin d with neonatal anthropometric measurements at birth a preliminary study in a private hospital
url http://psasir.upm.edu.my/id/eprint/76923/1/2020011611554204_MJMHS_0452.pdf
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