搜索结果: 1-15 共查到“新陈代谢与营养生理学 vitamin A”相关记录29条 . 查询时间(0.125 秒)
Placental vitamin D metabolism and its associations with circulating vitamin D metabolites in pregnant women
vitamin D pregnancy placenta trophoblasts vitamin D metabolism 25-hydroxyvitamin D megalin/cubilin CYP2R1 CYP27B1 CYP24A1
2018/11/21
Background: Little is known about placental vitamin D metabolism and its impact on maternal circulating vitamin D concentrations in humans.
Vitamin D prenatal programming of childhood metabolomics profiles at age 3 y
airway inflammation, metabolomics, polyunsaturated fatty acids, prenatal programming, vitamin D
2018/11/16
Background: Vitamin D deficiency is implicated in a range of common complex diseases that may be prevented by gestational vitamin D repletion. Understanding the metabolic mechanisms related to in uter...
Vitamin D prenatal programming of childhood metabolomics profiles at age 3 y
airway inflammation metabolomics polyunsaturated fatty acids prenatal programming vitamin D
2018/11/20
Background: Vitamin D deficiency is implicated in a range of common complex diseases that may be prevented by gestational vitamin D repletion. Understanding the metabolic mechanisms related to in uter...
Modeling the dose effects of soybean oil in salad dressing on carotenoid and fat-soluble vitamin bioavailability in salad vegetables
bioavailability, carotenoid, concordance, lipid, triglyceride, vitamin A, vitamin E, vitamin K
2018/11/20
Background: Previously, we showed that vegetable oil is necessary for carotenoid absorption from salad vegetables. Research is needed to better define the dose effect and its interindividual variation...
Vitamin D and dementia risk: the cause and consequence story
vitamin D dementia disentangle Indeed
2018/11/16
We read with great interest the article by Olsson et al. (1), which examined the association of vitamin D with dementia risk in a cohort of Swedish men. This study measured plasma 25-hydroxyvitamin D ...
Circulating concentrations of biomarkers and metabolites related to vitamin status, one-carbon and the kynurenine pathways in US, Nordic, Asian, and Australian populations
biomarker Lung Cancer Cohort Consortium one-carbon metabolism tryptophan metabolism vitamin status
2018/11/14
Background: Circulating concentrations of biomarkers that are related to vitamin status vary by factors such as diet, fortification, and supplement use. Published biomarker concentrations have also be...
Vitamin D is not associated with incident dementia or cognitive impairment: an 18-y follow-up study in community-living old men
Alzheimer disease cognitive impairment cohort dementia Mendelian randomization vascular dementia vitamin D 25-hydroxyvitamin D
2018/11/13
Background: Vitamin D has been implicated as being important for maintaining cognitive function in old age. Results from longitudinal studies examining the association of vitamin D with incident demen...
Metabolic syndrome increases dietary α-tocopherol requirements as assessed using urinary and plasma vitamin E catabolites: a double-blind, crossover clinical trial
α-carboxyethyl hydroxychromanol α-CEHC α-carboxymethylbutyl
2018/11/13
Background: Vitamin E supplementation improves liver histology in patients with nonalcoholic steatohepatitis, which is a manifestation of the metabolic syndrome (MetS). We reported previously that α-t...
A micronutrient-fortified young-child formula improves the iron and vitamin D status of healthy young European children: a randomized, double-blind controlled trial
iron deficiency vitamin D deficiency cow milk young-child formula vitamin D supplements micronutrient fortification young children
2018/11/12
Background: Iron deficiency (ID) and vitamin D deficiency (VDD) are common among young European children because of low dietary intakes and low compliance to vitamin D supplementation policies. Milk i...
Vitamin B-12–fortified toothpaste improves vitamin status in vegans: a 12-wk randomized placebo-controlled study
deficiency holotranscobalamin methylmalonic acid supplementation,
2018/11/13
Background: The oral application of vitamin B-12 may prevent its deficiency if the vitamin is absorbed via the mucosal barrier.
Relation between milk-fat percentage, vitamin D, and BMI z score in early childhood
pediatrics milk vitamin D obesity zBMI
2018/12/19
Background: Fortified cow milk is a material contributor of vitamin D and dietary fat in children. Recommendations for children >2 y of age advise reduced milk-fat consumption to reduce childhood obes...
Estimation of the dietary requirement for vitamin D in white children aged 4–8 y: a randomized, controlled, dose-response trial
children dose-response ODIN randomized controlled trial recommendations requirement vitamin D
2018/12/18
Background: Children in northern latitudes are at high risk of vitamin D deficiency during winter because of negligible dermal vitamin D3 production. However, to our knowledge, the dietary requirement...
Estimation of the dietary requirement for vitamin D in adolescents aged 14–18 y: a dose-response, double-blind, randomized placebo-controlled trial
adolescents dose-response randomized controlled trial recommendations requirements vitamin D
2018/12/18
Background: Adolescents are a population group at high risk of low vitamin D status, yet the evidence base for establishing dietary vitamin D requirements remains weak.
Vitamin D status and weight loss: a systematic review and meta-analysis of randomized and nonrandomized controlled weight-loss trials
meta-analysis obesity serum 25-hydroxyvitamin D vitamin D weight loss
2018/12/14
Background: Obesity is associated with lower concentrations of serum 25-hydroxyvitamin D; however, uncertainty exists as to the direction of causation. To date, meta-analyses of randomized controlled ...
Hypercalcemia, hypercalciuria, and kidney stones in long-term studies of vitamin D supplementation: a systematic review and meta-analysis
hypercalcemia hypercalciuria kidney stones randomized controlled trials vitamin D supplements
2018/12/14
Background: Vitamin D supplementation is increasingly being used in higher doses in randomized controlled trials (RCTs). However, adverse events from very large annual doses of vitamin D have been sho...