Now showing items 21-30 of 34
Age-specific seroprevalence of hepatitis A infection among children visited in pediatric hospitals of Tehran, Iran
Background: Hepatitis A is an enterically transmitted disease that still remains endemic in many developing countries. In some countries improvements in living conditions have recently led to changing in epidemiology of ...
Glutathione-S-transferase M1, T1 and P1 gene polymorphisms in type I autoimmune hepatitis: A case-control study 
[No abstract available]
Gastro-esophageal reflux symptoms and body mass index: No relation among the Iranian population
An association between obesity and symptoms of gastro-esophageal reflux disease (GERD) has been frequently reported in western societies. A recent study indicated a consistent association between abdominal diameter and ...
Gastro-oesophageal reflux disease and irritable bowel syndrome: A significant association in an Iranian population
Background: Gastro-oesophageal reflux disease and irritable bowel syndrome are common diseases, which may be related. Aim: To assess the association between gastro-oesophageal reflux disease and irritable bowel syndrome ...
Four novel germline mutations in the MLH1 and PMS2 mismatch repair genes in patients with hereditary nonpolyposis colorectal cancer
Background: Hereditary nonpolyposis colorectal cancer (HNPCC) is the most common cause of early onset hereditary colorectal cancer. In the majority of HNPCC families, microsatellite instability (MSI) and germline mutation ...
Frequency of three common mutations of CARD15/NOD2 gene in Iranian IBD patients
Background: The CARD15/NOD2 gene, located on the pericentromeric region of chromosome 16 (IBD 1) has been reported to have an association with IBD, especially Crohn's disease. Three common mutations of CARD15 are variably ...
Sporadic colorectal polyps and mismatch repair proteins
Background: Colorectal cancers often arise from benign polyps. Adenomatous polyps and serrated polyps progress step by step to adenocarcinoma and change into malignant cancers. Genetic and epigenetic changes have correlation ...
High prevalence of reflux oesophagitis among upper endoscopies of Iranian patients
BACKGROUND AND AIM: To reinvestigate the prevalence of reflux esophagitis among upper endoscopies in a series of Iranian patients, considering the high prevalence of reflux esophagitis (76%) reported by an earlier Iranian ...
Appendectomy, tonsillectomy, and risk of inflammatory bowel disease: A case control study in Iran
There is some controversy about the prevalence of appendectomy and tonsillectomy among patients with Crohn's disease and a lower rate of appendectomy among patients with ulcerative colitis (UC). The objective of this study ...
Heartburn and related factors in general population in Tehran, capital of Iran.
Heartburn is a highly prevalent disorder and is one of the most common gastrointestinal (GI) symptoms encountered in clinical practice. Despite the increasing importance of the early diagnosis of heartburn, there are few ...