نتایج جستجو برای: 1α oh d3
تعداد نتایج: 64262 فیلتر نتایج به سال:
Background: This study investigated the association of vitamin D3 levels with breast cancer risk and progression in African-Americans and Hispanics. Methods: A total of 237 African-American (Cases = 119, Control = 118) and 423 Hispanic women (Cases = 124, Control = 299) were recruited in the study. Blood samples were collected at the time of breast cancer screening and prior to cancer treatment...
BACKGROUND African Americans (AAs) have lower circulating 25-hydroxyvitamin D3 [25(OH)D3] concentrations and higher prostate cancer (CaP) aggressiveness than other racial/ethnic groups. The purpose of the current study was to examine the relationship between plasma 25(OH)D3, African ancestry and CaP aggressiveness among AAs and European Americans (EAs). METHODS Plasma 25(OH)D3 was measured us...
The aim of the study was to investigate the significance of the level of serum 25-hydroxyvitamin D3 [25-(OH)D3] and interleukin (IL)-6 in serum prior to and after immunoglobulin treatment in children suffering from Kawasaki disease in order to provide a reference for the successful treatment of Kawasaki disease in children. From February, 2013 to February, 2015, 45 patients with Kawasaki diseas...
Objective Recent studies have shown that vitamin D has an essential role in the reproductive system. In this study, we aimed to investigate the effect of vitamin D levels in patients undergoing ovulation induction (OI), and subsequent intrauterine insemination (IUI) procedure. MaterialsAndMethods One hundred and four infertile and one hundred and three fertile women were recruited in this cross...
The biological activities of vitamin D(3) are exerted through the dihydroxy metabolite of vitamin D(3) [1α,25(OH)(2)D(3)]. Hepatic biotransformation of 1α,25(OH)(2)D(3) by cytochrome P450 (P450) enzymes could be an important determinant of bioavailability in serum and tissues. In the present study, we investigated the comparative biotransformation of 1α,25(OH)(2)D(3) in mouse and human liver mi...
Objective. To investigate the relationship between serum 25-hydroxyvitamin D3 [25(OH)D3] levels and carotid intima-media thickness (IMT) as well as carotid atherosclerotic plaque in patients with type 2 diabetes mellitus (T2DM). Methods. 314 patients with T2DM were enrolled in this study. The clinical data and laboratory examinations of subjects were recorded, such as serum 25(OH)D3, hemoglobin...
One-day-old chicks were depleted of vitamin D. At 3 weeks their right tibiae, and those of a control group given vitamin D3, were fractured and pinned. After fracture the controls were kept on vitamin D3. Another group was left vitamin D-deficient. The remaining depleted chicks, divided into four groups, were given vitamin D3, 24,25-dihydroxyvitamin D3 [24,25(OH)2D3], 1,25-dihydroxyvitamin D3 [...
BACKGROUND Decreased vitamin D serum levels have been recently related to arterial stiffening and vascular calcifications in haemodialysis (HD) patients, but the pathophysiology of this association is not yet clear. The aim of this study was to evaluate the relationship between vascular calcifications, cardiovascular risk factors [including brain natriuretic peptide (BNP), pulse pressure (PP) a...
BACKGROUND Vitamin D (25(OH) D3) levels in pouch patients are not well defined. AIM To evaluate the frequency and factors associated with low 25(OH) D3 levels in pouch patients with underlying inflammatory bowel disease (IBD). METHODS A consecutive of 157 pouch patients was identified from our Pouchitis Registry. A sample of 155 ulcerative colitis (UC) patients without IPAA served as contro...
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