نتایج جستجو برای: d3
تعداد نتایج: 15940 فیلتر نتایج به سال:
1α,25-Dihydroxyvitamin D3 (1α,25(OH)2D3) had earlier been regarded as the only active hormone. The newly identified actions of 25-hydroxyvitamin D3 (25(OH)D3) and 24R,25-dihydroxyvitamin D3 (24R,25(OH)2D3) broadened the vitamin D3 endocrine system, however, the current data are fragmented and a systematic understanding is lacking. Here we performed the first systematic study of global gene expr...
In this note we prove that the sequence (3, d2, d3), where d3 ≥ d2 ≥ 3, is the multidegee of some tame automorphism of C if and only if 3|d2 or d3 ∈ 3N + d2N.
Serum 25-hydroxyvitamin D3 [25(OH)D3] concentrations are currently recognized as the functional status indicator for vitamin D. Evidence is reviewed that shows that serum 25(OH)D3 concentrations of < 80 nmol/L are associated with reduced calcium absorption, osteoporosis, and increased fracture risk. For typical older individuals, supplemental oral intakes of approximately 1300 IU/d are required...
D-type cyclins (cyclins D1, D2, and D3) promote G1-S progression and are aberrantly expressed in cancer. We reported previously that all-trans-retinoic acid chemo-prevented carcinogenic transformation of human bronchial epithelial (HBE) cells through proteasomal degradation of cyclin D1. Retinoic acid is shown here to activate distinct mechanisms to regulate different D-type cyclins in HBE cell...
Hypothalamic neurosecretory systems are fundamental regulatory circuits influenced by thyroid hormone. Monocarboxylate-transporter-8 (MCT8)-mediated uptake of thyroid hormone followed by type 3 deiodinase (D3)-catalyzed inactivation represent limiting regulatory factors of neuronal T3 availability. In the present study we addressed the localization and subcellular distribution of D3 and MCT8 in...
Introduction: Results: These findings revealed the exaggerated responses in the group which received CCI. The group which was treated by 1 μg/kg of 1,25 vit D3 showed a significant reduction in pain behavior. Injection of 1,25 vit D3 did not change the response of animals to the acetone drop and von frey filament. Discussion: Our results showed that antinoceptive effect of 1,25 vit D3 in a rod...
سابقه و هدف: زعفران دارای اثرات فارماکولوژیک متعددی بوده و ویتامین D3 نیز در تمایز و عملکرد بسیاری از سلول‌ها دخالت دارد. در مطالعه حاضر اثر هم افزایی عصاره آبی زعفران و ویتامین D3 بر تمایز سلول های بنیادی مزانشیمی به استئوبلاست بررسی شده است. مواد و روش ها: سلول های بنیادی مغز استخوان موش صحرایی نژاد ویستار استخراج شده و شناسایی به کمک روش ایمونوسیتوشیمی انجام شد. در گروه های تجربی، سلول ها...
27-nor-25-Hydroxyvitamin D3, 26,27-bisnor-25-hydroxyvitamin D3, and 22-27-hexanor-20-hydroxyvitamin D3 and the corresponding 5,6-trans isomers have been synthesized. All compounds were tested for their ability to induce intestinal calcium transport and bone calcium mobilization in normal and anephric rats. The 27-nor- and 26,27-bisnor-25-hydroxyvitamin D3 analog are capable of stimulating intes...
The dopamine D(3) receptor (D(3)R) is an important pharmacotherapeutic target for its potential role in psychiatric disorders and drug dependence. To further explore its function in rats, a regulatable lentivirus, Lenti-D3, holding the rat D(3)R cDNA, has been constructed as well as three nonregulatable lentiviruses, Lenti-D3-siRNA1, Lenti-D3-siRNA2 and Lenti-D3-siRNA3, expressing small hairpin...
Human dendritic cells (DC) can be differentiated from blood monocytes in the presence of GM-CSF and IL-4 and matured by lipopolysaccharide (LPS). Vitamin D3 inhibits the maturation of human DC measured by changes in surface expression of HLA-DR, CD14, CD40, CD80, CD83, and CD86. We here examine the function of vitamin D3 during DC maturation. One of the earliest changes to LPS-induced maturatio...
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