نتایج جستجو برای: vitamin d
تعداد نتایج: 634999 فیلتر نتایج به سال:
multiple sclerosis (ms) is a chronic demyelinating disease and also is one of the most common disabling neurological disorders in young and middle-aged adults. the main pathogenesis of ms has long been thought to be an immune mediated disorder of the central nervous system. the function of the immune system is under the influence of vitamin d which as a modulator of immune response could play a...
Background and Objective: Vitamin D as an immunomodulatory agent is an effective factor to suppress inflammatory responses. It is shown that serum level of vitamin D reduces in people with chronic obstructive pulmonary disease (COPD). In addition, some studies have shown that vitamin D modulates white blood cells (WBC) and lymphocytes, especially in inflammatory disease. Moreover, WBC and plate...
Introduction: Vitamin D has anti-inflammatory and immunomodulatory function. The role of vitamin D deficiency has been established in the development of many types of cancers and autoimmune diseases. Oral lichen planus (OLP) is a common chronic autoimmune in oral cavity. This study aimed to evaluate the serum and salivary levels of total vitamin 25 (OH) D3 in patients with the OLP and to assess...
Background and Objectives: Vitamin D deficiency/insufficiency is a global health problem. The importance of this problem is doubled in growing children because of their increased need for skeletal growth. This investigation was performed firstly to assess vitamin D status, and secondly to examine its possible relationship with sex, residing area and duration of sun exposure in 9-12 years old ch...
Background: Animal and in vitro studies have shown that 25-OH vitamin D plays a significant role in different parts of body. Few data exist about the role of 25- OH vitamin D in reproduction. Insufficient levels during pregnancy are potentially associated with increased risk of preeclampsia, insulin resistance and gestational diabetes mellitus. Recently, few studies have assessed the prognostic...
Multiple sclerosis (MS) is a multifactorial disorder caused by the effects of several genes in combination with environmental factors. This disease is characterized by myelin loss, varying degrees of axonal pathology and inflammatory lesions. It is an important cause of disability in young adults, seen to be more prevalent in the woman, and affects 2.5 million people worldwide. Great efforts ar...
background: in recent years, epidemiologic and laboratory studies have implied that vitamin d deficiency has a role in the pathogenesis of breast cancer. it has shown that vitamin d can prevent tumor progression induced by carcinogens and inhibit the carcinogenic effects of high fat diet on breast tissue and growth of tumor cells. this study aimed to evaluate serum 25-hydroxyvitamin d level and...
background: considerable evidence suggests that oxidative stress affects diabetes mellitus (dm) and contributes to its complications. vitamin d has been shown to possess antioxidant properties. the aim of this study was to determine the association between serum levels of calcifediol (25-oh-d), an indicator of vitamin d status, and lipid profiles with oxidative stress in patients with type 2 di...
Background and Objectives: There is convincing evidence that subjects concomitantly affected by type 2 diabetes (T2D) and metabolic syndrome (MeS) are at greater risk for cardiovascular disease (CVD). Many metabolic derangements in T2D might be attributed to poor vitamin D status. The purpose of this study was to investigate the associations among vitamin D status, MeS and glycemic status in su...
Background: Gestational trophoblastic neoplasia (GTN) consists of a broad spectrum of benign and malignant tumors which are stem in human placental trophoblast. Vitamin D has several biologic rules. Among the effects of vitamin D on cells, we could mention induction of differentiation and apoptosis and also inhibition of proliferation, angiogenesis and metastatic potency. As nutrition plays a p...
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