نتایج جستجو برای: duration of mucosa
تعداد نتایج: 21171288 فیلتر نتایج به سال:
INTRODUCTION Leptin, a 16 kDa circulating anti-obesity hormone, exhibits many physiological properties. Recently, leptin was isolated from saliva; however, its function in the oral cavity is still unclear. In this study, we investigated the physiological role of leptin in the oral cavity by focusing on its effect on wound healing in the oral mucosa. METHODS Immunohistochemical analysis was us...
BACKGROUND Endoscopic resection has become the standard treatment for noninvasive gastrointestinal malignancies. In flat mucosal tumors, normal saline is frequently used for submucosal fluid injection in order to reduce the risk of complications during endoscopic resection. Recent studies have demonstrated longer-lasting mucosa elevation by injection of agents such as hyaluronic acid or glyceol...
background and purpose: successful treatment of helicobacter pylori infection causes not only eradication of pathogen, but also prevents the associated diseases such as peptic ulcer, gastric carcinoma and lymphoma. the aim of this study was to evaluate the efficacy of 7 days triple therapy as a lowest drug resistance, shortest duration and fewer numbers of drugs in children. materials and metho...
Background/Aim: Long-term acid suppressants are known to have adverse effects. Its effect on gastric mucosa is not known. A cross-sectional study was undertaken to study the effect of Helicobacter pylori on gastric mucosa among patients on longterm acid suppressants. Materials and methods: One hundred and twenty-six patients with symptoms of ulcer type dyspepsia and reflux type dyspepsia for mo...
oral malignant melanoma (omm) accounts for 5% of all oral malignancies. it is a rare aggressive neoplasm usually found on the hard palate and gingiva. the etiology is unknown, but tobacco and chronic irritation are suggested as probable causative factors. over 30% of the cases have been reported to arise from pre-existing pigmented lesions. a biopsy is required to establish the diagnosis and th...
background: celiac disease (cd), as an autoimmune disease has initiated since ingestion of food containing gluten. constant intolerance to gluten causes damages of the small intestinal mucosa. one reason of mal-absorption in children and infants is cd. additionally, about 75% of newly identified patients with cd have low bone mineral density (bmd). many factors have role in metabolic bone disea...
Khat (Catha Edulis Forskal) is widely cultivated in Yemen and East of Africa. The habit of chewing tender leaves and twigs of khat is deep-rooted in Yemen. Our study investigates the chronic khat chewing and smoking effect on oral mucosa. The sample (n=79) consists of two main groups, khat chewers (n=54) and control groups (n=25). Khat chewers group is divided into 4 subgroups according to dura...
Background: Diabetes mellitus is the most common metabolic endocrine diseases that is along with disorder in metabolism of carbohydrate, fat and protein .Usage ofcyto-morphometric method in evaluation of qualitative and quantitative changes in epithelium of oral mucosa remained unknown and few studies have been done in diabetic patients in thisregard. Therefore, the goal of this study...
BACKGROUND Diabetes mellitus is a chronic degenerative systemic disease whose prevalence is increasing. This paper aims to evaluate the effects of diabetic microangiopathy, depending on its duration and the type of treatment administered, by using polarized light videocapillaroscopy of the oral mucosa. MATERIAL AND METHODS We enrolled 120 subjects: 60 healthy subjects and 60 patients with diabe...
Altered MDR1 expression and/or function contribute to the pathogenesis of inflammatory bowel disease (IBD). DNA methylation was shown as an important mechanism in gene silencing. We investigated DNA methylation of the MDR1 gene in ulcerative colitis (UC) and its relation to MDR1 C3435T genotypes. Eighty-three UC patients were enrolled. Methylation of MDR1 promoter was determined by methylation ...
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