نتایج جستجو برای: vitamin b12
تعداد نتایج: 97626 فیلتر نتایج به سال:
Objective. To compare the prevalence of the vitamin B12 deficiency in geriatric diabetic patients treated with or without metformin. Methods. Records of 134 patients with diabetes mellitus (DM) aged 61 to 93 (mean, 80) years who were treated with (n=56) or without (n=78) metformin were reviewed. Patient demographics (age, gender, duration of DM, smoking status, alcohol consumption), medication ...
Background: Helicobacter pylori (HP) infection is one of the most important causes of gastrointestinal diseases such as peptic ulcer. This bacterium has recently been reported to be associated with low serum vitamin B12 level. In this study we investigated the relationship between Helicobacter pylori seropositivity and the serum B12 level in women aging 15-49 years in Khorram Abad . Material...
Malouf R, Areosa Sastre A. Vitamin B12 for cognition. Cochrane Database Syst Rev 2003;(3):CD004326. [PubMed abstract] 79. Malouf R, Grimley Evans J. Folic acid with or without vitamin B12 for the prevention and treatment of health elderly and demented people. Cochrane Database Syst Rev. 2008 Oct 8;(4):CD004514. [PubMed abstract] 80. Lukaski HC. Vitamin and mineral status: effects on physical pe...
introduction: elevated plasma total homocysteine is an independent risk factor for cardiovascular disease and a sensitive marker of vitamin b12 and folate insufficiency. folate and vitamin b12 have a protective effect on cardiovascular disease. this effect may be partly explained by mechanisms independent of homocysteine. this survey is the first population based study to evaluate the plasma to...
Background and purpose: Myelin-producing oligodendrocytes play a key role in supporting normal neuronal function of the mammalian central nervous system (CNS). Formation of myelinating oligodendrocytes from their precursors requires activation and coordination of a set of stage-specific transcriptional regulators that are important for the biosynthesis of myelin components. Olig2 plays an impor...
Vitamin B12 plays an essential role in fetal and infant development. In regions where animal source food consumption is low and perinatal supplementation is uncommon, infants are at risk of vitamin B12 deficiency. In this secondary analysis, we measured total vitamin B12 concentrations in maternal and infant serum/plasma and breast milk among two samples of mother-infant dyads in Canada (assess...
Background: Vitiligo is an idiopathic and acquired disease characterized by de-pigmented areas of skin. The precise mechanism involved is not clear. Low levels of folic acid and vitamin B12 have been suggested to play a possible role in the pathogenesis of vitiligo. In this study we checked the serum level of folic acid and vitamin B12 in patients with vitiligo. Materials and methods: In this ...
1. Measurement of the vitamin B12 content of baboon tissues showed that the liver contained the highest concentration, followed by the pituitary, kidney, heart, spleen and pancreas. 2. The dietary vitamin B12 requirement of the baboon for the maintenance of satisfactory body stores was between 1 and 2 mug/d. 3. Satisfactory liver vitamin B12 stores were invariably associated with serum levels a...
There are increasing studies indicating neuroprotective effects for vitamin B12. In the present study, the effect of intracortical microinjection of vitamin B12 was investigated on penicillin-induced epileptiform activity. We also examined the effects of intracortical microinjection of diazepam (a GABA-benzodiazepine receptor agonist) and flumazenil (a GABAbenzodiazepine receptor antagonist) to...
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