نتایج جستجو برای: vitamin D3
تعداد نتایج: 104790 فیلتر نتایج به سال:
Background and Objective: Chronic use of antiepileptic drugs may influence the bones and their mineral metabolism due to deficiency of vitamin D3. In this study we investigated the effect of high dose vitamin D3 on bones and their mineral metabolism. Materials and Methods: Fifty six children older that 3 years old who were affected by epilepsy and had taken the antiepileptic drugs at least for ...
Background & Objective: The relationship between vitamin D3 and risk factors of metabolic syndrome is unclear. This study aimed to investigate the vitamin D3 kevel of women and its relation with metabolic syndrome risk factors. Materials & methods: A cross-sectional study conducted between 200 healthy women aged 20 to 50 in two groups of normal BMI (BMI=18.5-24.9 kg/m2) and overweight/obe...
Background: The prevalence of diabetes mellitus due to existence of various factors is growing rapidly. The insulin resistance phenomenon is one of the main underlying causes of this disease, due to various reasons such as a decrease in serum levels of vitamin D3. In this study, we evaluated the relationship between plasma level of vitamin D3 and some other main plasma factors. Methods: This c...
background: recent studies have shown the immunomodulatory effect of vitamin d3 through down-regulation of toll-like receptor (tlr) expression in human monocytes. in this study, the effects of vitamin d treatment on tlr2 and tlr4 expression on monocytes derived from type 2 diabetes was investigated. materials and methods: to assess the influence of vitamin d3 on expression of tlr2 and tlr4 on m...
Background and Objectives: Previous research has established that Vitamin D3 (Cholecalciferol) deficiency is considered to be a highly prevalent nutritional problem worldwide. Data from National Food and Nutrition Surveillance Program (2015) revealed that prevalence of vitamin D3 deficiency in Iran is more than 70% of the population. Vegetable oils are considered to be potential candidates for ...
Background and Objectives: Due to the good solubility of vitamin D in oils, oil products can be addressed as one of the most suitable fortification vehicle. However, sustainability and loss of vitamin D during food storage is one the major concerns for the food policymakers and producers. Therefore, the objectives of this study was to fortify and compare the stability of vitamin D3 in sunflower...
Background & Aim: Multiple sclerosis(MS) is a chronic autoimmune disease of unknown etiology affecting the central nervous system. The prevalence of MS is the highest where environmental supply of vitamin D is low. Some studies have shown a strong protective effect of vitamin D3 on experimental autoimmune encephalomyelitis(EAE) of MS model, but it is not known how it affects EAE. Vitamin D3...
A total of 84 sows (PIC 1050) and their litters were used to determine the effects of supplementing maternal diet with vitamin D3 on sow and pig performance, serum 25-hydroxyvitamin D3 (25(OH) D3), milk vitamin D3, neonatal bone mineralization, and neonatal tissue vitamin D3. After breeding, sows were randomly assigned to 1 of 3 dietary vitamin D3 treatments (1,500, 3,000, or 6,000 IU/kg of com...
The metabolism of [3H]vitamin D3 in hepatectomized vitamin D-deficient rats has been studied. Hepatectomy drastically disrupts vitamin D3 metabolism as revealed by prolonged high levels of [3H] vitamin D3 in the plasma compartment even 12 h after dose in contrast to sham-operated controls. Some conversion of [3H] vitamin D3 to [3H]25-hydroxyvitamin D3 was detected in hepatectomized rats, but th...
The content of vitamin D in pork produced in conventional systems depends on the vitamin D concentration in the pig feed. Both vitamin D3 and 25-hydroxyvitamin D3 (25(OH)D3) are essential sources of dietary vitamin D; however, bioavailability assessed by serum 25(OH)D3 concentration is reported to be different between the two sources. Furthermore, the relationship between serum 25(OH)D3 level a...
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