ArticleMolecular pathology : MP2003
Cell cycle regulation in patients with intestinal metaplasia at the gastro-oesophageal junction.
Article in Molecular pathology : MP, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 25 citations in OpenAlex.
- Single-cell analysis of gastric pre-cancerous and cancer lesions reveals cell lineage diversity and intratumoral heterogeneity.NPJ precision oncology · 2022Article
- Stem Cell Pathology.Annual review of pathology · 2018Review
- Article
- Biomarkers in Barrett's esophagus and esophageal adenocarcinoma: predictors of progression and prognosis.World journal of gastroenterology · 2010Review
- Gastric carditis: Is it a histological response to high concentrations of luminal nitric oxide?World journal of gastroenterology · 2006Review
- Role of the stem cell niche in the pathogenesis of epithelial ovarian cancers.Molecular & cellular oncologyReview
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND/
aimsThe incidence of oesophageal adenocarcinoma is increasing rapidly and this may be related to the presence of intestinal metaplasia (IM) at the gastro-oesophageal junction (GOJ). Recent studies have distinguished two subtypes of IM at the GOJ: short segment Barrett's oesophagus (SSBO) and IM at a normal squamo-columnar junction (IMNSCJ). Because abnormal expression of cell cycle regulators is common in cancer and precancerous states, cell cycle regulation was studied in patients with IM at the GOJ.
methodsBiopsy samples and resected materials were identified from patients with SSBO (10), IMNSCJ (14), a normal SCJ with (14) and without (12) inflammation, conventional Barrett's oesophagus (BO) (12), and oesophageal adenocarcinoma (12). Sections were stained with antibodies to p21, p27, p53, Ki67, cyclin D1, and c-erbB2 and were assessed independently by two observers, using predetermined criteria.
resultsPatients with oesophageal adenocarcinoma showed high expression of c-erbB2, p53, p27, and Ki67. Patients with BO showed expression of c-erbB2 but little expression of other markers. Greatly increased expression of cyclin D1 was seen in patients with IMNSCJ. The expression of all other markers was similar in patients with IMNSCJ and those with SSBO. Cyclin D1 and c-erbB-2 were coexpressed in patients with SSBO and IMNSCJ, and their expression was associated with the presence of p53 and p21.
conclusionsAlthough the proposed aetiologies of SSBO (gastro-oesophageal reflux) and IMNSCJ (Helicobacter pylori infection) differ, the cell cycle response is similar and both may have malignant potential.
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