Results 11 to 20 of about 19,174,629 (255)

Low vitamin D status adversely affects bone health parameters in adolescents [PDF]

open access: yes, 2008
Background: The effects of subclinical vitamin D deficiency on bone mineral density (BMD) and bone turnover in adolescents, especially in boys, are unclear.Objective: We aimed to investigate the relations of different stages of vitamin D status and BMD ...
Dubitzky, Werner   +10 more
core   +3 more sources

Vitamin D and endothelial function in chronic kidney disease [PDF]

open access: yes, 2014
PhDVitamin D deficiency in patients with chronic kidney disease, measured by reduced serum concentrations of 25 hydroxy vitamin D, is highly prevalent and associated with both endothelial dysfunction and an increased risk of cardiovascular disease ...
Dreyer, Gavin
core   +4 more sources

"Test me and treat me" - attitudes to vitamin D deficiency and supplementation: a qualitative study [PDF]

open access: yes, 2015
© 2015 BMJ Open, "Test me and treat me"-attitudes to vitamin D deficiency and supplementation: a qualitative study.
Jakeways, Niki; id_orcid   +17 more
core   +1 more source

NAD(P)H: quinone oxidoreductase 1 deficiency conjoint with marginal vitamin C deficiency causes cigarette smoke induced myelodysplastic syndromes.

open access: yesPLoS ONE, 2011
BackgroundThe etiology of myelodysplastic syndromes (MDS) is largely unknown. Exposure to cigarette smoke (CS) is reported to be associated with MDS risk.
Archita Das   +4 more
doaj   +1 more source

Proxy markers of serum retinol concentration, used alone and in combination, to assess population vitamin A status in Kenyan children: a cross-sectional study [PDF]

open access: yes, 2015
Background Serum retinol concentration determined by high-performance liquid chromatography (HPLC) is recommended by the World Health Organization to assess population vitamin A status.
Inge D Brouwer   +18 more
core   +2 more sources

Vitamin C fortification: need and recent trends in encapsulation technologies

open access: yesFrontiers in Nutrition, 2023
The multifaceted role of vitamin C in human health intrudes several biochemical functions that are but not limited to antioxidant activity, homoeostasis, amino acid synthesis, collagen synthesis, osteogenesis, neurotransmitter production and several yet ...
Vaibhav Kumar Maurya   +9 more
doaj   +1 more source

Pharmacokinetics and efficacy of oral versus intravenous mixed-micellar phylloquinone (vitamin K-1) in severe acute liver disease [PDF]

open access: yes, 2005
Background/Aims: In patients with severe acute liver dysfunction, i.v. phylloquinone (vitamin K-1) may be given to exclude vitamin K deficiency, rather than impaired hepatic synthesis of coagulation factors alone, as the cause of the coagulopathy ...
Pereira, SP   +13 more
core   +1 more source

Genetic analyses reveal a role for vitamin D insufficiency in HCV-associated hepatocellular carcinoma development [PDF]

open access: yes, 2013
Background: Vitamin D insufficiency has been associated with the occurrence of various types of cancer, but causal relationships remain elusive. We therefore aimed to determine the relationship between genetic determinants of vitamin D serum levels and ...
Jörg Bojunga   +127 more
core   +3 more sources

Vitamin B-12 deficiency stimulates osteoclastogenesis via increased homocysteine and methylmalonic acid [PDF]

open access: yes, 2009
The risk of nutrient deficiencies increases with age in our modern Western society, and vitamin B(12) deficiency is especially prevalent in the elderly and causes increased homocysteine (Hcy) and methylmalonic acid (MMA) levels.
Bravenboer, N.   +37 more
core   +2 more sources

A randomised controlled trial investigating the effect of vitamin B12 supplementation on neurological function in healthy older people: the Older People and Enhanced Neurological function (OPEN) study protocol [ISRCTN54195799]. [PDF]

open access: yes, 2011
BACKGROUND: Vitamin B12 deficiency is common in older people and the prevalence increases with age. Vitamin B12 deficiency may present as macrocytic anaemia, subacute combined degeneration of the spinal cord, or as neuropathy, but is often asymptomatic ...
Allen, Elizabeth   +32 more
core   +2 more sources

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