نتایج جستجو برای: human gastric carcinoma
تعداد نتایج: 2023405 فیلتر نتایج به سال:
AIM OF THE STUDY Platelet-derived growth factor B (PDGF-B), a vital growth factor which can induce angiogenesis and epithelial-mesenchymal transition (EMT), is important in the metastasis of many tumors. However, the roles of PDGF-B in gastric carcinoma are largely unknown. We investigated the correlation between PDGF-B, PDGFR-β and E-cadherin expression with the clinical features of gastric ca...
Background and purpose: A gastric conduit is usually used to reconstruct the foregut after esophagectomy for cancer. The gastric emptying may be impaired after this operation, so some esophageal surgeons routinely add a pyloric drainage procedure. The aim of this study was to determine the emptying of the intrathoracic stomach after esophagectomy and cervical esophagogastrostomy with or witho...
Title: Characterization of human gastric carcinoma-related methylation of 9 miR CpG islands and repression of their expressions in vitro and in vivo
BACKGROUND AND AIM The severe inflammation, increased cell proliferation and marked acid inhibition observed in subjects with Helicobacter pylori-associated enlarged-fold gastritis suggest that enlarged-fold gastritis may be a risk factor for gastric carcinoma. The purpose of the present study was to determine whether a relationship exists between enlarged-fold gastritis and gastric carcinoma. ...
We report the establishment and characterization of four continuous cell lines derived from human primary and metastatic gastric carcinomas, and we compare their properties with a panel of colorectal carcinoma cell lines previously established and reported by us. Our success rate in culturing gastric carcinomas was relatively low, especially from primary tumors, compared to colorectal carcinoma...
Several monoclonal antibodies were raised against the human epidermoid carcinoma line A 431. The antibody produced by clone AR-3, when tested in enzyme-linked immunosorbent assay, was found to react with the cell line used as immunogen, the human gastric carcinoma line KATO III, the colon carcinoma line HT29, and the ovarian carcinoma line SW626. This monoclonal antibody was found unreactive wh...
background: calprotectin is cytotoxic agent that its anti-tumor effects are governed through suppression of topoisomerase ii a key enzyme in apoptosis. in previous studies, cytotoxicity and apoptotic effects of calprotectin are shown on different cancer cell lines, but not human gastric cancer cell lines. in the present study, cytotoxicity and apoptotic effects of calprotectin on human gastric ...
Traditional research modes aim to find cancer-specific single therapeutic target. Recently, emerging evidence suggested that some micro-RNAs (miRNA) can function as oncogenes or tumor suppressors. miRNAs are singlestranded, small noncoding RNA genes that can regulate hundreds of downstream target genes. In this study, we evaluated the miRNA expression patterns in gastric carcinoma and the speci...
Multidrug resistance (MDR) of human cancers is the major cause of failure of chemotherapy. To better understand the molecular events associated with the development of different types of MDR, two different multidrug-resistant gastric carcinoma cell lines, the MDR1/P-glycoprotein-expressing cell line EPG85-257RDB and the MDR1/P-glycoprotein-negative cell variant EPG85-257RNOV, as well as the cor...
Introduction: Gastric carcinogenesis frequently affects tumor suppressor TP53 gene, resulting in increased expression of p53 protein and mutations towards later stages Carcinoma. Objectives: To analyze different gastric cancer to determine if it could be used as a biomarker allow targeted screening high risk groups with intestinal metaplasia. Methods: We retrieved 101 formalin fixed paraffin em...
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