Results 41 to 50 of about 26,277,168 (365)

VA inhibits LPS-induced oxidative stress via modulating Nrf2/NF-κB-signalling pathways in bovine mammary epithelial cells

Italian Journal of Animal Science, 2019
The current study was conducted to examine the pre-protection effects of vitamin A (VA) on lipopolysaccharide (LPS)-induced oxidative damage in bovine mammary epithelial cells (BMECs) and to explore the antioxidant mechanisms of VA via nuclear factor ...
Huiyu Shi, Xiaoyu Guo, Sumei Yan, Yongmei Guo, Binlin Shi, Yanli Zhao   +5 more
doaj   +1 more source

Decreased bioavailability of vitamin D in obesity.

American Journal of Clinical Nutrition, 2000
BACKGROUND Obesity is associated with vitamin D insufficiency and secondary hyperparathyroidism. OBJECTIVE This study assessed whether obesity alters the cutaneous production of vitamin D(3) (cholecalciferol) or the intestinal absorption of vitamin D(2)
J. Wortsman, L. Matsuoka, Tai C. Chen, Zhiren Lu, M. Holick   +4 more
semanticscholar   +1 more source

Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age.

Cochrane Database of Systematic Reviews, 2017
BACKGROUND Vitamin A deficiency (VAD) is a major public health problem in low- and middle-income countries, affecting 190 million children under five years of age and leading to many adverse health consequences, including death.
A. Imdad, E. Mayo-Wilson, K. Herzer, Z. Bhutta   +3 more
semanticscholar   +1 more source

Effects of vitamin A combined with dexamethasone on airway epithelium structure and function in asthmatic mice

Di-san junyi daxue xuebao, 2019
Objective To observe the effects of vitamin A combined with glucocorticoid on the structure and function of airway epithelium in asthmatic mice. Methods Sixty specific pathogen-free female C57bl/6 mice (6 to 8 weeks old) were randomized equally into ...
HU Jie, ZOU Wenjing, ANG Yunting, FU Zhou, DAI Jihong, NIU Chao   +5 more
doaj   +1 more source

The Chemistry of Vitamins [PDF]

Science, 1921
There has been a notable revival of interest in the chemistry of vitamins within the past few years. The recent work has led to the isolation of more or less completely crystalline compounds having the properties ascribed to vitamins A, B and D. The evidence now available appears to definitely establish the conclusion that vitamins are not to be ...
openaire   +4 more sources

Biomarkers of Nutrition for Development (BOND)—Vitamin A Review

Journal of NutriLife, 2016
The Biomarkers of Nutrition for Development (BOND) project is designed to provide evidence-informed advice to anyone with an interest in the role of nutrition in health.
S. Tanumihardjo, R. Russell, C. Stephensen, B. Gannon, N. Craft, M. Haskell, G. Lietz, K. Schulze, D. Raiten   +8 more
semanticscholar   +1 more source

Vitamin A supplementation coverage and associated factors for children aged 6 to 59 months in integrated and campaign-based delivery systems in four sub-Saharan African countries

BMC Public Health
Background Vitamin A deficiency (VAD) is a leading contributor to the poor health and nutrition of young children in sub-Saharan Africa. Funding constraints are compelling many countries to shift from longstanding campaigns to integrating vitamin A ...
Amynah Janmohamed, David Doledec, Romance Dissieka, Umu H. Jalloh, Sugandh Juneja, Maguette Beye, Fatou Ndiaye, Theresia Jumbe, Melissa M. Baker   +8 more
doaj   +1 more source

Therapeutic Response of Vitamin A, Vitamin B Complex, Essential Fatty Acids (EFA) and Vitamin E in the Treatment of Phrynoderma: A Randomized Controlled Study [PDF]

Journal of Clinical and Diagnostic Research, 2014
Background: In the treatment of phrynoderma, various nutrients have been tried in different dosages and routes with variable therapeutic outcomes. Aims: The present study was undertaken to compare the efficacy of various nutrients in the treatment of
Ragunatha S., Jagannath Kumar V., Murugesh S.B., Ramesh M., Narendra G., Meenakshi Kapoor   +5 more
doaj   +1 more source

Disturbed Vitamin A Metabolism in Non-Alcoholic Fatty Liver Disease (NAFLD)

Nutrients, 2017
Vitamin A is required for important physiological processes, including embryogenesis, vision, cell proliferation and differentiation, immune regulation, and glucose and lipid metabolism.
A. Saeed, R. Dullaart, T. Schreuder, H. Blokzijl, K. Faber   +4 more
semanticscholar   +1 more source

The role of vitamin D in the prevention of coronavirus disease 2019 infection and mortality

Aging Clinical and Experimental Research, 2020
WHO declared SARS-CoV-2 a global pandemic. The present aim was to propose an hypothesis that there is a potential association between mean levels of vitamin D in various countries with cases and mortality caused by COVID-19.
P. Ilie, S. Stefanescu, Lee Smith
semanticscholar   +1 more source