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1 espect to those introducing higher intake of vitamin A.
2 se in the prevalence of inadequate intake of vitamin A.
3 and brain, Stra6 expression was regulated by vitamin A.
4 Concurrently, fat and lung rely on dietary vitamin A.
5 ILCs were reduced in the absence of dietary vitamin A.
6 STGD and RP, especially for daily intake of vitamin A.
7 noic acid (atRA) is the active metabolite of vitamin A.
8 and 15/56 (26.8%) showed low daily intake of vitamin A.
9 ary disorders plausibly modulated by dietary vitamin A.
10 by antenatal or newborn supplementation with vitamin A.
11 ts either as antioxidants or as precursor of vitamin A.
12 observed for intakes of other carotenoids or vitamin A.
13 s have led to an increase in deficiencies of vitamin A.
14 patients with measles includes provision of vitamin A.
16 body mass index (27 +/- 5 vs 24 +/- 5 kg/m), Vitamin A (1.7 +/- 0.6 vs 1.2 +/- 0.4 umol/L), and Vitam
17 atio 1:1) to receive either one oral dose of vitamin A (50,000 IU) or placebo immediately after recru
18 complexes were further evaluated for unbound vitamin A, ability of milk protein to bind vitamin A and
20 critical role for STRA6 in the transport of vitamin A across blood-tissue barriers in the eyes, brai
22 e fruit was found to contain the potentially vitamin A-active keto-carotenoids sapotexanthin and cryp
23 ta support our hypothesis that low levels of vitamin A actively promote GI GVHD and are not simply a
24 Canthaxanthin is a carotenoid that lacks pro-vitamin A activity but is known to have antioxidant acti
27 tinoic acid, an active metabolite of dietary vitamin A, acts as a ligand for nuclear receptor transcr
28 linked in the presence of A2E (adduct of two vitamin A aldehyde and ethanolamine) photodegradation pr
32 rh(-/-) mice had approximately 2-fold higher vitamin A (all-trans-retinol (all-trans-ROL)) in the neu
34 ltransferase (LRAT) is the enzyme that traps vitamin A (all-trans-retinol) from the circulation and p
39 days after supplementation; 70 (0.6%) in the vitamin A and 52 (0.5%) in the placebo group (risk ratio
40 rich source of beta-carotene, a precursor of vitamin A and a potential tool for fighting vitamin A de
41 kers by ameliorating oxidative stress, while vitamin A and beta-carotene may have additional antimyco
42 ratios for incident tuberculosis disease by vitamin A and carotenoids levels, controlling for other
43 We assessed the impact of baseline levels of vitamin A and carotenoids on tuberculosis disease risk.
47 Micronutrient deficiencies such as those of vitamin A and iron affect a third of the world's populat
49 characterize better the association between vitamin A and malaria infection in different settings.
50 d vitamin A, ability of milk protein to bind vitamin A and solubility of protein and vitamin A as aff
51 ice to diets sufficient and insufficient for vitamin A and used heterozygous siblings as controls.
52 to determine concentrations of supplementary vitamin A and vitamin E esters and beta-carotene in infa
53 sources contributing to excessive intakes of vitamin A and zinc among infants and toddlers may need f
57 Food fortification is implemented to address vitamins A and D deficiencies in numerous countries.
58 g these parameters is thus essential to make vitamins A and D fortification in oils more efficient.
59 al fat, cholesterol, fatty acids, vitamin C, vitamins A and D, and 21 mineral elements (including tot
62 lises selective dual-channel fluoresence for vitamins A and E and visible absorbance for beta-caroten
64 A carotenoid, is cleaved to produce retinol (vitamin A) and alpha-retinol (with negligible vitamin A
65 e report that retinoic acid (RA) or retinol (vitamin A) and ascorbate (vitamin C) act as modulators o
66 me countries could become newly deficient in vitamin A, and an additional 2.2 billion (1.2-2.5) alrea
67 ion, all infants received sufficient fat and vitamin A, and most consumed enough daily energy (79%),
73 roperties of encapsulated functional lipids--vitamin A, beta-carotene and omega-3 fish oil--on the st
74 order to increase polyunsaturated lipid and vitamin A bioaccessibility and avoid formation of toxic
75 aim was to estimate iron, zinc, protein and vitamin A bioavailability from individual diets, and inv
76 ect refines approaches to interpret iron and vitamin A biomarker values in settings of inflammation a
77 ght to inform the interpretation of iron and vitamin A biomarkers (ferritin, serum transferrin recept
81 this process, conversion of beta-carotene to vitamin A by BCO1 induces via retinoid signaling the exp
82 e receptor STRA6 mediates cellular uptake of vitamin A by recognizing RBP-retinol to trigger release
83 -vitamin A) impedes the dimerization rate of vitamin A--by approximately fivefold for the vitamin A d
84 ship between intake of antioxidant vitamins (vitamins A, C, D, and E) and individual carotenoids (alp
85 etermine whether slowing the dimerization of vitamin A can prevent vision loss caused by Stargardt di
86 focus on those derived from the diet such as vitamin A, can have a direct or indirect deterministic i
87 e measured directly to accurately assess the vitamin A capacity of alpha-carotene-containing foods.
88 y retinoic acid 6), is the RBP4 receptor and vitamin A channel; however, the role of STRA6 in vitamin
91 extendable to whole milk powders where total vitamin A content data can be calculated by summing the
92 acid (RA), an essential active metabolite of vitamin A, controls numerous physiological processes.
93 acids (SCFAs) induced the expression of the vitamin A-converting enzyme RALDH1 in intestinal epithel
94 he CD103(+)CD11b(+) DC subset expressing the vitamin A-converting enzyme retinaldehyde dehydrogenase
95 helial cells correlated with the activity of vitamin A-converting enzymes in mesenteric lymph node de
96 nding that several key micronutrients (e.g., vitamin A, copper, manganese, and zinc) support iron's f
97 the intestinal level between the fat-soluble vitamins A, D, E and K (FSVs) are poorly documented.
98 ltiple proximal risk factors (e.g., iron and vitamin A deficiencies, inflammation, malaria, and body
100 eficiency (ferritin <15 ng/mL or 32 pmol/L), vitamin A deficiency (retinol-binding protein <14.7 mug/
103 The accurate estimation of the prevalence of vitamin A deficiency (VAD) is important in planning and
104 a is facing a double burden of malnutrition: vitamin A deficiency (VAD) prevails, whereas the nutriti
106 ta-carotene accumulation that will alleviate vitamin A deficiency among people who rely on sorghum as
107 P flour could be used for the eradication of vitamin A deficiency as they were found to meet 29 and 8
108 imed to estimate trends in the prevalence of vitamin A deficiency between 1991 and 2013 and its morta
111 00) deaths from measles were attributable to vitamin A deficiency in 2013, which accounted for 1.7% (
114 the relative risks (RRs) for the effects of vitamin A deficiency on mortality from measles and diarr
115 or use in developing country settings, where vitamin A deficiency remains a major public health probl
118 e for both prevalence and absolute burden of vitamin A deficiency should be used to reconsider, and p
120 possible confounders, we found that baseline vitamin A deficiency was associated with a 10-fold incre
121 In comparison, trachoma, onchocerciasis, vitamin A deficiency, and refraction and accommodation d
122 and pathophysiological conditions, including vitamin A deficiency, cardiopulmonary diseases, and hypo
123 archical model to estimate the prevalence of vitamin A deficiency, defined as a serum retinol concent
124 ealth strategies to prevent ocular injuries, vitamin A deficiency, perinatal infections and retinopat
125 with a plant-food-based approach to address vitamin A deficiency, reports the analysis of total caro
130 spermatogonial differentiation identical to vitamin A-deficient (VAD) mice; (2) the blockage of sper
136 vely, the dominant-negative proteins disrupt vitamin A delivery from wild-type proteins within the fe
137 All-trans-retinoic acid (ATRA) is an active vitamin A derivative known to modulate a number of physi
138 e photoreceptors, contains 11-cis-retinal (a vitamin A derivative) and light isomerizes it to all-tra
139 s high, because it assesses translocation of vitamin A derivatives across the retinal pigment epithel
142 er demonstrate that replacing vitamin A with vitamin A deuterated at the carbon 20 position (C20-D3-v
144 vitamin A--by approximately fivefold for the vitamin A dimer A2E--and subsequent lipofuscinogenesis a
145 in A is a clinically amiable tool to inhibit vitamin A dimerization, which can be used to determine w
146 lesterol accumulation in the RPE, induced by vitamin A dimers or oxidized LDL, inhibits these defense
147 abolic derivatives, and synthetic analogs of vitamin A embody an effective CTCL therapy with over thr
148 naldehyde is further metabolized to retinol (vitamin A), esterified and packaged into triacylglycerol
150 etinoic acid (RA), a bioactive derivative of vitamin A, exhibits diverse effects on gene transcriptio
152 beta-Carotene is an important source of vitamin A for the mammalian embryo, which depends on its
154 d the total daily supply of provitamin A and vitamin A from diet and supplements was equivalent to 22
155 ss the efficacy of oral supplementation with vitamin A given to infants in the first 3 days of life t
156 lementation deaths to 6 months of age in the vitamin A group (mortality risk 24.5 in 1000 supplemente
157 have a bulging fontanelle; 32 (0.3%) in the vitamin A group and 21 (0.2%) in the placebo group (RR 1
159 Retinoic acids, which are metabolites of vitamin A, have been shown to be involved in multiple T
162 between diet and immunity and indicates that vitamin A homeostasis must be tightly controlled by ISX
163 min A channel; however, the role of STRA6 in vitamin A homeostasis remains to be defined in vivo We s
164 ed in the prevalence of inadequate intake of vitamin A if rice biofortified with beta-carotene were c
165 deuterated at the carbon 20 position (C20-D3-vitamin A) impedes the dimerization rate of vitamin A--b
166 the stability of flavonoids, carotenoids and vitamin A in broccoli and cauliflower inflorescences gro
167 ogether, our data show an important role for vitamin A in controlling innate lymphoid cells and, cons
168 nd its relative contribution to postprandial vitamin A in humans after consumption of raw carrots.Hea
171 in a cohort of children who were exposed to vitamin A in utero or at birth.The aim of this study was
172 0% substitution) decreased the prevalence of vitamin A inadequacy from baseline 78% in women and 71%
173 tinoic acid (atRA), the active metabolite of vitamin A, induces gene transcription via binding to nuc
174 In the multivariate analysis, inflammation, vitamin A insufficiency, socioeconomic status, and age w
176 TB was observed for the highest quartile of vitamin A intake (hazard ratio = 0.71, 95% confidence in
178 ndividual level to 1) determine the rice and vitamin A intake in nonpregnant, nonlactating women of r
187 iviral treatment for measles; treatment with vitamin A is recommended for younger children to decreas
191 -trans retinoic acid (ATRA), a derivative of vitamin A, is a common component in cosmetics and commer
192 , the main biologically active metabolite of vitamin A, is known to promote gut homing of lymphocytes
193 uations where an essential nutrient, such as vitamin A, is limited, ILC2 sustain their function and s
196 well documented association between abnormal vitamin A levels and renal malformations in humans, and
197 m infections were increased in patients with vitamin A levels below the median (24% vs 8% at 1 year,
199 er transplant was increased in children with vitamin A levels below the median (r = -0.34, P = .03).
203 mucosal injury, but was not correlated with vitamin A levels, indicating that vitamin A did not prot
205 nol dehydrogenase 10 (Rdh10), which perturbs Vitamin A metabolism and retinoid signaling, exhibit ful
206 gests the interesting possibility that local vitamin A metabolism could also be a mediator of stimulu
207 ut also further suggests a potential role of vitamin A metabolism in terminal differentiation of the
208 hanism by which postnatal sensory-stimulated vitamin A metabolism modifies the generation of spatiall
212 ed at identifying the mechanisms whereby the vitamin A metabolite all-trans retinoic acid (RA) promot
215 nic responses were dependent on induction of vitamin A-metabolizing enzymes via the beta-catenin/T-ce
217 her maternal or newborn supplementation with vitamin A on intelligence, memory, and motor function.
218 f antenatal and newborn supplementation with vitamin A on the cognitive function of children at 8 y o
219 Our results highlight the impact of dietary vitamin A on the regulation of cell-cycle-mediated stem
220 infants to receive one dose of 50,000 IU of vitamin A or placebo in the first 3 days after birth.
221 Neither dietary nor supplemental intake of vitamin A or vitamin C nor supplemental intake of vitami
222 k)] who participated in a placebo-controlled vitamin A- or beta-carotene-supplementation trial was do
223 tive was to increase the water solubility of Vitamin A Palmitate and its stability against different
225 All results showed a notably increase of Vitamin A Palmitate water solubility and stability in fr
226 tion of water-soluble inclusion complexes of Vitamin A Palmitate with beta-cyclodextrins, without the
229 found that after a period of depletion, pro-vitamin A (PVA) carotenoids were preferentially diverted
231 we report that ATRA, an active metabolite of vitamin A, restores mechanical quiescence in PSCs via a
232 e combined influence of different factors on vitamin A retention and the oxidative status of wheat fl
234 torage, and the factors that mostly affected vitamin A retention were the storage duration, the type
236 s study, the estimated total daily intake of vitamin A (retinol equivalents) and vitamin E (alpha-toc
240 simultaneously quantifying iron (ferritin), vitamin A (retinol-binding protein), and inflammation (C
241 foods, whereas the legumes, dairy, eggs, and vitamin A-rich fruit and vegetable food groups were each
242 urce foods, fruits, and vegetables including vitamin A-rich ones was higher in the adequate than in t
243 ewly absorbed alpha-carotene to postprandial vitamin A should not be estimated but should be measured
244 [ferritin or soluble transferrin receptor or vitamin A status (retinol-binding protein or retinol)] a
245 alaria infection, and biomarkers of iron and vitamin A status and compare adjustment approaches, and
247 knowledge, the associations between maternal vitamin A status and offspring bone development have not
248 ug beta-carotene/g) consumption in improving vitamin A status and reducing vitamin A deficiency in ch
249 nce global knowledge with regard to iron and vitamin A status assessment in women and preschool child
250 t it must be assessed in surveys of iron and vitamin A status for valid interpretation of micronutrie
252 e evaluated several supporting biomarkers of vitamin A status in Zambian children to determine whethe
255 tion groups were comparable at baseline, and vitamin A status was better than anticipated (12.1% defi
256 often used in population surveys to measure vitamin A status, but its interpretation is challenging
262 RP-2)-related antigenemia (n=6121) following vitamin A supplementation and standard vaccination.
263 is trial do not support inclusion of newborn vitamin A supplementation as a child survival strategy i
267 was no evidence of a differential effect for vitamin A supplementation on mortality by sex; risk rati
268 find any evidence for a beneficial effect of vitamin A supplementation on mortality in infants at 6 m
270 the list of priority countries for high-dose vitamin A supplementation such that a country's priority
273 e models, suggest childhood immunization and vitamin A supplements may confer protection against mala
275 tinoic acid, the biologically active form of vitamin A that acts as a transcription factor ligand to
277 ardt disease, we show that the propensity of vitamin A to dimerize is responsible for triggering the
279 nvironment acquire the ability to metabolize vitamin A to produce retinoic acid (RA), which drives re
280 hway also governs the metabolism of retinol (vitamin A) to its transcriptionally active metabolite, r
282 n partly be attributed to alterations in the vitamin A-transport proteins retinol-binding protein 4 (
284 (SR) concentration is a common indicator of vitamin A (VA) status, but SR is homeostatically control
285 ttle is known about the impact of obesity on vitamin A (VA)[retinol (ROL)], a nutrient that regulates
288 itate has been found to be the most abundant vitamin A vitamer, but retinyl oleate is the prevalent f
290 on estimates, we estimated the production of vitamin A, vitamin B12, folate, iron, zinc, calcium, cal
292 y examined the relation between carotenoids, vitamin A, vitamin C, vitamin E, and folate intake and r
293 ts consisting of beta-carotene (precursor to vitamin A), vitamins C and E and the mineral magnesium (
294 t 6 months (26 deaths per 1000 livebirths in vitamin A vs 24 deaths per 1000 livebirths in placebo gr
296 pendence of lymphoid tissue inducer cells on vitamin A was furthermore illustrated by impaired develo
298 Data further demonstrate that replacing vitamin A with vitamin A deuterated at the carbon 20 pos
299 of 24 (25%) STGD patients a daily intake of vitamin A within the recommended range while 14/24 (58.3
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