Results 41 to 50 of about 23,054,062 (290)
Vitamin A and Pregnancy: A Narrative Review
Vitamin A is a crucial micronutrient for pregnant women and their fetuses. In addition to being essential for morphological and functional development and for ocular integrity, vitamin A exerts systemic effects on several fetal organs and on the fetal ...
Sabina Bastos Maia +6 more
semanticscholar +1 more source
Vitamin C—Sources, Physiological Role, Kinetics, Deficiency, Use, Toxicity, and Determination
Vitamin C (L-ascorbic acid) has been known as an antioxidant for most people. However, its physiological role is much larger and encompasses very different processes ranging from facilitation of iron absorption through involvement in hormones and ...
M. Doseděl +10 more
semanticscholar +1 more source
Vitamin A Transport Mechanism of the Multitransmembrane Cell-Surface Receptor STRA6. [PDF]
Vitamin A has biological functions as diverse as sensing light for vision, regulating stem cell differentiation, maintaining epithelial integrity, promoting immune competency, regulating learning and memory, and acting as a key developmental morphogen ...
Kassai, Miki +4 more
core +2 more sources
The objective of this study was to explore how retinoic acid (RA) attenuates oxidative injury induced by hydrogen peroxide (H2O2) in bovine mammary epithelial cells (BMEC).
Lu Jin +5 more
doaj +1 more source
Vitamin D Supplements and Prevention of Cancer and Cardiovascular Disease
BACKGROUND It is unclear whether supplementation with vitamin D reduces the risk of cancer or cardiovascular disease, and data from randomized trials are limited.
J. Manson +15 more
semanticscholar +1 more source
The health effects of vitamin D supplementation: evidence from human studies
Vitamin D supplementation can prevent and cure nutritional rickets in infants and children. Preclinical and observational data suggest that the vitamin D endocrine system has a wide spectrum of skeletal and extra-skeletal activities.
R. Bouillon +5 more
semanticscholar +1 more source
DO IT Trial: vitamin D Outcomes and Interventions in Toddlers - a TARGet Kids! randomized controlled trial. [PDF]
BackgroundVitamin D levels are alarmingly low (<75 nmol/L) in 65-70% of North American children older than 1 year. An increased risk of viral upper respiratory tract infections (URTI), asthma-related hospitalizations and use of anti-inflammatory ...
Birken, Catherine S +10 more
core +3 more sources
Providing children healthy diversified diets is important for their optimal growth and development. The high prevalence of under-nourishment during the critical early life period is of serious concern in West Africa.
Amynah Janmohamed +9 more
doaj +1 more source
Diet is an important regulator of the gastrointestinal microbiota. Vitamin A and vitamin D deficiencies result in less diverse, dysbiotic microbial communities and increased susceptibility to infection or injury of the gastrointestinal tract. The vitamin
M. Cantorna +2 more
semanticscholar +1 more source
The Effects of Vitamin D on Immune System and Inflammatory Diseases
Immune cells, including dendritic cells, macrophages, and T and B cells, express the vitamin D receptor and 1α-hydroxylase. In vitro studies have shown that 1,25-dihydroxyvitamin D, the active form of vitamin D, has an anti-inflammatory effect.
Tomoka Ao, J. Kikuta, M. Ishii
semanticscholar +1 more source

