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HIV and other predictors of serum β-carotene and retinol in pregnancy: a cross-sectional study in Zimbabwe
Vitamin A retinol reproduction
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2016/6/13
Vitamin A status during pregnancy is important to
maternal and infant health.
Retinol binding protein as a surrogate measure for serum retinol: studies in vitamin A–deficient children from the Republic of the Marshall Islands
retinol retinol binding protein RBP
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2016/6/13
Serum retinol is transported by retinol binding protein
(RBP), which has one high-affinity binding site for retinol;
consequently, the molar ratio of retinol to RBP in the circulation
is 1 to 1. In...
Serum retinol distributions in residents of the United States: third National Health and Nutrition Examination Survey, 1988–1994
Adults children females
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2016/6/13
Inadequate vitamin A status has been a potential
nutritional problem for some segments of the US population,
particularly children and the poor.
Use of the deuterated-retinol-dilution technique to assess total-body vitamin A stores of adult volunteers consuming different amounts of vitamin A
DRD technique pool size isotope dilution
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2016/6/1
The deuterated-retinol-dilution (DRD) technique
provides a quantitative estimate of total body stores of vitamin A.
However, it is not known whether the technique can detect changes
in vitamin A po...
Breast milk immune factors in Bangladeshi women supplemented postpartum with retinol or β-carotene
Vitamin A supplementation b-carotene breast milk
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2016/5/31
Vitamin A supplementation of mothers postpartum
may improve infant health, not only by increasing vitamin A
delivery to the infant through breast milk but also by increasing
delivery of milk immune...
Effects of long-term intake of retinol on selected clinical and laboratory indexes
Retinol skin cancer prevention
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2016/5/31
Chemopreventive agents developed to be used in
a moderate-risk but otherwise healthy population need to be both
efficacious and to have minimal adverse effects.
Biochemical but not clinical vitamin A deficiency results from mutations in the gene for retinol binding protein
Retinol binding protein transthyretin retinol retinyl esters
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2016/5/31
Two German sisters aged 14 and 17 y were admitted
to the Tübingen eye hospital with a history of night blindness.
In both siblings, plasma retinol binding protein (RBP) concentrations
were below th...
Mutations in the gene encoding retinol binding protein and retinol deficiency: is there compensation by retinyl esters and retinoic acid?
retinyl esters retinoic acid
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2016/5/31
Biesalski et al (1) present a novel case of 2 sisters aged 14 and
17 y with very low plasma retinol concentrations (0.19 mmol/L)
and plasma concentrations of retinol binding protein (RBP) below
the...
Assessment of total body stores of vitamin A in Guatemalan elderly by the deuterated-retinol-dilution method
Vitamin A deuterated retinol dilution body stores
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2016/5/30
Deuterated retinol dilution (DRD) gives
quantitative estimates of total body stores of vitamin A.
Serum retinol-binding protein 4 concentrations in response to short-term overfeeding in normal-weight, overweight, and obese men
Retinol-binding protein 4 overfeeding adiposity status young men insulin resistance
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2008/12/17
Background: Retinol-binding protein 4 (RBP4) is a novel adipokine that induces insulin resistance in mice. Studies in humans have shown a correlation between serum RBP4 and insulin resistance in obese...
Vitamin A, retinol, and carotenoids and the risk of gastric cancer: a prospective cohort study1,2,3
Carotenoids gastric cancer prospective cohort studies retinol vitamin A
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2008/12/9
Background: Vitamin A may influence gastric carcinogenesis through its essential role in controlling cell proliferation and differentiation. However, epidemiologic studies of vitamin A, retinol (prefo...
Plasma retinol, carotene and vitamin E concentrations and lung function in a crocidolite-exposed cohort from Wittenoom, Western Australia: a cohort study
vitamin E carotene Plasma retinol
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2008/4/23
Increased rates of death from asbestos related diseases have been reported for people previously employed in the mining and milling operations at Wittenoom (Western Australia), and people who lived in...
Quantitative assessment of total body stores of vitamin A in adults with the use of a 3-d deuterated-retinol-dilution procedure
Deuterated retinol dilution DRD 3-d DRD
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2016/12/29
The conventional deuterated-retinol-dilution (DRD) technique provides a quantitative estimate of total body stores of vitamin A in humans. The procedure requires equilibration of serum deuterated reti...
Water-miscible, emulsified, and solid forms of retinol supplements are more toxic than oil-based preparations
retinol retinyl esters water-miscible retinol
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2017/1/4
The objectives were to identify and evaluate all individual cases of retinol toxicity published in the scientific literature that assessed the thresholds and symptoms induced by high intakes of retino...
Short-term (intestinal) and long-term (postintestinal) conversion of β-carotene to retinol in adults as assessed by a stable-isotope reference method
retinol equivalence stable isotope mass spectrometry
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2017/1/3
The quantitative determination of the conversion of β-carotene to vitamin A in humans can be accomplished by using a stable-isotope reference method. This approach provides in vivo metabolic informati...