Hypoxia-inducible factor-1alpha expression in the gastric carcinogenesis sequence and its prognostic role in gastric and gastro-oesophageal adenocarcinomas.

E Griffiths, S Pritchard, HR Valentine, N Whitchelo, P Bishop, M Ebert, PM Price, I Welch, CML. West

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Hypoxia-inducible factor-1 (HIF-1)alpha expression was studied in the gastric carcinogenesis sequence and as a prognostic factor in surgically resected gastric and gastro-oesophageal junction tumours. Protein expression was examined using immunohistochemistry on formalin-fixed biopsies of normal mucosa (n=20), Helicobacter pylori associated gastritis (n=24), intestinal metaplasia (n=24), dysplasia (n=12) and intestinal (n=19) and diffuse (n=21) adenocarcinoma. The relationship between HIF-1alpha expression and prognosis was assessed in resection specimens from 177 patients with gastric and gastro-oesophageal junction adenocarcinoma. Hypoxia-inducible factor-1alpha expression was not observed in normal gastric mucosa but increased in density (P
    Original languageEnglish
    JournalBr J Cancer
    Volume96( 1)
    Publication statusPublished - 15 Jan 2007

    Keywords

    • diagnosis: Adenocarcinoma
    • Aged
    • Aged, 80 and over
    • Biopsy
    • Disease Progression
    • diagnosis: Esophageal Neoplasms
    • Female
    • Follow-Up Studies
    • Humans
    • biosynthesis: Hypoxia-Inducible Factor 1, alpha Subunit
    • Immunohistochemistry
    • Male
    • Middle Aged
    • Multivariate Analysis
    • Neoplasm Invasiveness
    • Predictive Value of Tests
    • Prognosis
    • Staining and Labeling
    • diagnosis: Stomach Neoplasms
    • Survival Rate

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