Chronic atrophic gastritis, chronic duodenal and gastric ulcers create conditions for the formation of precancerous changes in mucosa form dysplasia. The biopsy material from patients with - 75 was studied. development severe dysplasia epithelium observed mainly more forms gastritis. High proliferative activity confirmed by expression marker Ki-67 a label index (MI)>30,0%. Between degree muc...

Helicobacter pylori colonizes about half of the world's population. It is a causative agent of stomach diseases, including malignant tumors. We report the genome sequence of strain N6, which is widely used in H. pylori research and appreciated for its large cell size and high transformation efficiency.

the objective of this study was to determine and compare cystatin c changes before and after radiotherapy in patients with stomach cancer who were candidate for radiotherapy. this study was conducted as a prospective cohort one. eighteen patients with definite diagnosis of stomach cancer under treatment by radiotherapy who presented to radiotherapy-oncology center of imam hossein hospital, tehr...

background: worldwide, cancer of stomach is still the fourth common cancer and the second cause of mortality among all cancers affecting annually 870,000 subjects. this study aims to determine the frequency and the characteristics of gastric cancer in southern iran. materials and methods: 10,800 of all cancers registered in fars hospital-based cancer registry were surveyed among which 574 cases...

conclusions abnormal e-cadherin expression is a common phenomenon in gastric adenocarcinoma. the study showed a significant correlation between abnormal e-cadherin expression and tumor grade and regional lymph node involvement; so, abnormal e-cadherin expression may be used as a predictive factor for tumor invasiveness in gastric adenocarcinoma. materials and methods a historical cohort survey ...