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49 results

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Page 1
Vitamin neurotoxicity.
Snodgrass SR. Snodgrass SR. Mol Neurobiol. 1992 Spring;6(1):41-73. doi: 10.1007/BF02935566. Mol Neurobiol. 1992. PMID: 1463588 Review.
The only well-established human vitamin neurotoxic effects are those due to hypervitaminosis A (pseudotumor cerebri) and pyridoxine (sensory neuropathy). In each case, the neurological effects of vitamin deficiency and vitamin excess are similar. Closely related to …
The only well-established human vitamin neurotoxic effects are those due to hypervitaminosis A (pseudotumor cerebri) and pyrid …
The Need to Consider Context in the Evaluation of Anti-infectious and Immunomodulatory Effects of Vitamin A and its Derivatives.
Xavier-Elsas P, Vieira BM, Masid-de-Brito D, Barradas MG, Gaspar-Elsas MIC. Xavier-Elsas P, et al. Curr Drug Targets. 2019;20(8):871-878. doi: 10.2174/1389450120666181217095323. Curr Drug Targets. 2019. PMID: 30556501 Review.
However, in the gut mucosa itself, as well as in the bone marrow and inflammatory sites, context determines whether one observes an anti-inflammatory or proinflammatory action of retinoids. ...We review evidence from recent studies on mucosal immunity, granulocyte biology …
However, in the gut mucosa itself, as well as in the bone marrow and inflammatory sites, context determines whether one observes an a …
Hypervitaminosis A is prevalent in children with CKD and contributes to hypercalcemia.
Manickavasagar B, McArdle AJ, Yadav P, Shaw V, Dixon M, Blomhoff R, Connor GO, Rees L, Ledermann S, Van't Hoff W, Shroff R. Manickavasagar B, et al. Pediatr Nephrol. 2015 Feb;30(2):317-25. doi: 10.1007/s00467-014-2916-2. Epub 2014 Aug 15. Pediatr Nephrol. 2015. PMID: 25119682 Free PMC article.
BACKGROUND: Vitamin A accumulates in renal failure, but the prevalence of hypervitaminosis A in children with predialysis chronic kidney disease (CKD) is not known. ...CONCLUSIONS: Hypervitaminosis A is seen in early CKD, with highest levels in childre …
BACKGROUND: Vitamin A accumulates in renal failure, but the prevalence of hypervitaminosis A in children with predialysis chro …
Chronic and acute hypervitaminosis A are associated with suboptimal anthropometric measurements in a cohort of South African preschool children.
Sheftel J, van Stuijvenberg ME, Dhansay MA, Suri DJ, Grahn M, Keuler NS, Binkley NC, Tanumihardjo SA. Sheftel J, et al. Am J Clin Nutr. 2022 Apr 1;115(4):1059-1068. doi: 10.1093/ajcn/nqab422. Am J Clin Nutr. 2022. PMID: 35030234 Free article. Clinical Trial.
OBJECTIVES: We evaluated the relation between VAS and underlying hypervitaminosis A assessed by retinol isotope dilution (RID) with measures of growth and bone turnover in this cohort. ...VA supplementation programs should monitor VA status with biomarkers sensitive …
OBJECTIVES: We evaluated the relation between VAS and underlying hypervitaminosis A assessed by retinol isotope dilution (RID) …
Adverse effects of antioxidative vitamins.
Rutkowski M, Grzegorczyk K. Rutkowski M, et al. Int J Occup Med Environ Health. 2012 Jun;25(2):105-21. doi: 10.2478/S13382-012-0022-x. Epub 2012 Apr 19. Int J Occup Med Environ Health. 2012. PMID: 22528540 Free article. Review.
The article points out main principles of safety which are to be observed during supplementation with antioxidative vitamins. Toxic effects resulting from erroneous administration of high doses of those substances on organs and systems of the organism are also discussed. . …
The article points out main principles of safety which are to be observed during supplementation with antioxidative vitamins. Toxic e …
Gulf War Illness: Unifying Hypothesis for a Continuing Health Problem.
Mawson AR, Croft AM. Mawson AR, et al. Int J Environ Res Public Health. 2019 Jan 3;16(1):111. doi: 10.3390/ijerph16010111. Int J Environ Res Public Health. 2019. PMID: 30609834 Free PMC article. Review.
It is proposed that multiple vaccinations, with concurrent or subsequent exposure to PB or additional chemical insults of a liver-damaging nature, plausibly explain the pathogenesis and the observed chronicity of GWI. The suggested mechanism for GWI is thus a chemically-in …
It is proposed that multiple vaccinations, with concurrent or subsequent exposure to PB or additional chemical insults of a liver-damaging n …
Biochemical markers and anthropometric profile of children enrolled in public daycare centers.
Lourenção LFP, de Paula NC, Cardoso MA, Santos PR, de Oliveira IRC, Fonseca FLA, da Veiga GL, Alves BDCA, Graciano MMC, Pereira-Dourado SM. Lourenção LFP, et al. J Pediatr (Rio J). 2022 Jul-Aug;98(4):390-398. doi: 10.1016/j.jped.2021.09.006. Epub 2021 Nov 12. J Pediatr (Rio J). 2022. PMID: 34774468 Free PMC article.
RESULTS: Female children are three times more likely to be underweight; in families with five members, it is 1/3 more likely that children of higher-educated parents are overweight. Among the results of the biochemical tests, hypervitaminosis A was a relevant aspect …
RESULTS: Female children are three times more likely to be underweight; in families with five members, it is 1/3 more likely that children o …
Total Liver Vitamin A Reserves, Determined With 13C2-Retinol Isotope Dilution, are Similar Among Tanzanian Preschool Children in Areas With Low and High Vitamin A Exposure.
Urio EM, Tanumihardjo SA, Fweja LW, Ndossi GD. Urio EM, et al. J Nutr. 2023 Jan 14;152(12):2699-2707. doi: 10.1093/jn/nxac227. J Nutr. 2023. PMID: 36178059 Free article.
Height and weight were measured, and the prevalence of undernutrition was based on z-scores. Blood samples were collected for measurement of TBSs, TLRs, retinol, biomarkers of infection and inflammation, and hemoglobin. 13C2-retinyl acetate (1.0 mumol) was administered to …
Height and weight were measured, and the prevalence of undernutrition was based on z-scores. Blood samples were collected for measure …
Receptor-selective retinoids for psoriasis: focus on tazarotene.
Weindl G, Roeder A, Schäfer-Korting M, Schaller M, Korting HC. Weindl G, et al. Am J Clin Dermatol. 2006;7(2):85-97. doi: 10.2165/00128071-200607020-00002. Am J Clin Dermatol. 2006. PMID: 16605289 Review.
Adverse events are generally of mild severity, and most of those observed, such as cheilitis and dry skin, are typical of hypervitaminosis A. ...
Adverse events are generally of mild severity, and most of those observed, such as cheilitis and dry skin, are typical of hypervit …
Vitamin A decreases the anabolic bone response to mechanical loading by suppressing bone formation.
Lionikaite V, Henning P, Drevinge C, Shah FA, Palmquist A, Wikström P, Windahl SH, Lerner UH. Lionikaite V, et al. FASEB J. 2019 Apr;33(4):5237-5247. doi: 10.1096/fj.201802040R. Epub 2019 Jan 22. FASEB J. 2019. PMID: 30668919 Free PMC article.
Increased vitamin A consumption is associated with decreased cortical bone mass and increased fracture risk in humans. Rodent studies have demonstrated that hypervitaminosis A increases cortical bone resorption, whereas the importance of the effects on bone formatio …
Increased vitamin A consumption is associated with decreased cortical bone mass and increased fracture risk in humans. Rodent studies have d …
49 results