نتایج جستجو برای: vit d
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background: vitamin d, especially its most active metabolite 1,25-dihydroxyvitamin d₃(vit d) is essential in regulating a wide variety of biologic processes, such as regulating mesangial cell activation. the objective of this study was to assess the histopathological changes of effectiveness of vit d as a protective agent against radiation induced lung injury. materials and methods: eighteen wi...
Background: Vitamin D has a vital effect on calcium and phosphor hemostasis and bone formation. Deficiency of vitamin D causes rickets in children and osteomalacia in adults. Vit. D has a regulatory effect on immune system. This vitamin has inhibitory effect on cytokines and stimulates production of antimicrobial peptides. Recent studies have shown that rickets and even subclinical insufficienc...
Background: Vitamin D (Vit D) deficiency is one of the major nutritional deficiencies in children. Obesity has inverse association with vitamin D levels. The aim of this study was to determine the differences in response to conventional treatment for Vit D deficiency and insufficiency in obese and normal weight children and adolescents.Methods: This nested case control study was conducted in 69...
Vitamin D (vit-D) is essential for bone health, although many osteoporosis patients have low levels of 25-hydroxy-vit-D [25(OH)D]. This randomized, open-label study compared the effects of once weekly alendronate 70 mg containing 5600 IU vit-D₃ (ALN/D5600) to alendronate 70 mg without additional vit-D (ALN) on the percent of patients with vit-D insufficiency [25(OH)D <15 ng/mL, primary endpoint...
OBJECTIVE The aim of the present study was to evaluate the plasma vitamin D (vit D) levels and their association with the disease activity in patients with ankylosing spondylitis (AS) and undifferentiated spondyloarthritis (uSpA) compared with healthy populations. METHODS This study included 161 spondyloarthritis patients (113 uSpA patients and 48 AS patients) attending our rheumatology out-p...
Background: Low vitamin D (vit D) serum levels have been linked to various diseases such as multiple sclerosis, cardiovascular diseases, and diabetes. Maintenance of optimal vit D level should be supported by foods and supplements. Limited food sources of vit D made researchers focus on food fortification in recent years. Methods: A systematic review of randomized controlled trials reporting th...
Introduction Vit D level is low in human milk (20-60 IU/Lit) thus dialy supplement of 400 Vit D is advised since birth for all infants. On the other hand upper limit dose for long term Vit D intake is 1000 IU/day for children less than one year of age. Excessive Vit D more than upper limit by physicians or parents can cause hypervitaminoseD. We report a rare case of hypervitaminose D in two mon...
PURPOSE Currently there is no effective medicinal treatment for uterine fibroids (UFs), a common health disorder that affects women of reproductive age. Identification of modifiable risk factors such as vitamin D (Vit D) deficiency could help develop novel strategies for the prevention and/or treatment of UFs. The purpose of this study was to identify whether low serum Vit D3 levels correlate w...
BACKGROUND Vitamin D (Vit D) deficiency is a common disorder in diabetic patients and may be a risk factor for ischemic heart disease and exacerbation of diabetic nephropathy(DN). OBJECTIVES The aim of this study was to evaluate the effect of Vit D3 therapy on protein uriain type 2 diabetic patients with deficient or insufficient serum Vit D. PATIENTS AND METHODS In a double blind clinical ...
BACKGROUND/AIMS The 1α,25-dihydroxycholecalciferol (Vit. D) induces eNOS dependent nitric oxide (NO) production in human umbilical vein endothelial cells (HUVEC). To our knowledge, there are no reports directly relating Vit. D induced NO production to proliferation and/or migration in endothelial cells (EC). The aim of this study was to evaluate whether Vit. D addition to porcine EC could affec...
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