## Communicated by Jean-Chude Kaphn The TP53 gene is the most frequently mutated gene in human cancers. Barrett's esophagus provides an excellent model by which to understand the genetic evc:nts that lead from dysplasia to cancer. We screened for mutations in the TP53 gene by a combination of dena
Epidemiology and molecular biology of Barrett's adenocarcinoma
โ Scribed by Nasser K. Altorki; Susan Oliveria; David S. Schrump
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 67 KB
- Volume
- 13
- Category
- Article
- ISSN
- 8756-0437
No coin nor oath required. For personal study only.
โฆ Synopsis
In the United States, the incidence of esophageal adenocarcinoma has risen faster than any other malignancy in recent years, and now represents the most common histologic type of esophageal cancer observed in major institutions. The precise etiology of this malignancy, and the epidermiologic variables responsible for its dramatically rising incidence, remains obscure. Elucidation of the molecular biology of malignant transformation in Barrett's esophagus may improve the management of patients with advanced esophageal adenocarcinomas. Furthermore, appreciation of the molecular events associated with esophageal adenocarcinogenesis may facilitate early detection of occult carcinomas, and enable therapeutic interventions designed to prevent these otherwise highly lethal neoplasms.
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## Abstract ## Background The genetic changes that drive metaplastic progression from squamous oesophageal mucosa toward intestinal metaplasia and adenocarcinoma are unclear. The aberrant expression of microRNAs (miRNAs) is involved in the development of cancer. This study examined whether miRNAs
Barrett's metaplasia consists of columnar epithelium that replaces the normal esophageal mucosa in patients with chronic gastroesophageal reflux. Because intestinal-type Barrett's metaplasia is the major risk factor for adenocarcinoma development, understanding the mechanisms that predispose the eso