esophageal melanocytosis is a rare and benign condition, characterized by melanocytic proliferation of the esophageal squamous epithelium with heavy melanin deposition. the etiology and pathogenesis has not been exactly known but it seems to be a chronic stimulus such as gastroesophageal reflux. this condition is very rare and about 35 cases have been reported so far, most of which have been fr...

PCNA and esophagin have been implicated in the multistep process of carcinogenesis, but simultaneous characterization of these proteins in the early stages of esophageal neoplastic progression has yet to be undertaken. In morphologically normal esophageal epithelium, esophagin stains the granular layer cells, principally in their cell membrane portions. PCNA, in contrast, stains the nuclei of c...

Esophageal carcinoma is among the most common cancers worldwide and a leading cause of cancer death [1]. Large numbers of studies indicated that chronic inflammation is closely associated with its development [21, 25]. Furthermore, the JAK/STAT pathway, which plays a critical role in inflammation and immunity, has been implied in a number of malignancies [11]. It has been shown that targeting t...

Ornithine decarboxylase (ODC) is a key enzyme in the biosynthesis of polyamines, which are essential for cell proliferation. The purpose of this study was to evaluate ODC expression in human esophageal cancer at the mRNA level. Sixty-four pairs of primary esophageal cancers and normal esophageal epithelia were examined by reverse transcription-PCR for ODC mRNA expression. The ODC mRNA levels we...

BACKGROUND Prospective data on red and processed meat in relation to risk of subtypes of esophageal and gastric cancer are scarce. We present analyses of association between red and processed meat and the risk of esophageal and gastric cancer subtypes within The Netherlands Cohort Study on Diet and Cancer. DESIGN 120 852 individuals aged 55-69 years were recruited in 1986, and meat intake was...

in this study esophageal resection and radiotherapy methods were compared in relation to the patients suffering from esophageal cancer. three hundred and fifty-four patients with squamous cell carcinoma of esophagus who had been hospitalized in the cancer institute of the imam khomeini hospital, tehran, during 1981-1985 were followed up through march 21st, 1987. based on the findings, patients ...

We hypothesized that differences among individuals in reflux-induced oxidant production by esophageal squamous epithelial cells might contribute to the development of Barrett's esophagus. We studied the effects of acid and bile acids on the production of reactive oxygen species (ROS) in esophageal squamous cell lines derived from gastroesophageal reflux disease patients with (NES-B3T) and witho...

The epidermal growth factor receptor (EGFR) is a member of the EGFR family of receptors. EGFR and other members of the EGFR family have been shown to play significant roles in human cancer cell proliferation and therefore present important molecular targets for the treatment of cancer. The purpose of this study was to examine the effect of the pan-erbB tyrosine kinase inhibitor CI-1033 against ...

M2 macrophages was domesticated by tumor microenvironment to produce some angiogenic molecules and protease, facilitating angiogenesis and matrix breakdown, promoting tumor invasive and metastasis. However, The function of M2 macrophages to progression of eophageal carcinoma, especially Kazakh esophageal carcinoma is still dimness. This study aims to investigate M2 macrophages correlated with m...

INTRODUCTION Chemotherapy regimens are often a 2-drug regimen in concurrent chemotherapy and radiotherapy for esophageal cancer (EC). However, some retrospective studies have suggested that for patients with EC receiving radiotherapy combined with 2-drug chemotherapy have the severe toxicity. And S-1 alone with the combination of radiotherapy treatment effect is good, and achieved good clinical...