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Ann Surg Oncol. 2009 May;16(5):1390-6. Epub 2007 Sep 26.

h-Prune is an independent prognostic marker for survival in esophageal squamous cell carcinoma.

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  • 1Department of Oncological Science (Surgery II), Oita University Faculty of Medicine, Oita, Japan.

Abstract

BACKGROUND:

The human homologue of Drosophila prune (PRUNE, which encodes h-prune) protein interacts with glycogen synthase kinase 3 and promotes cell motility. The aim of our study was to investigate the impact of immunohistochemically detected h-prune expression on the survival of patients with esophageal squamous cell carcinoma (ESCC).

METHODS:

Immunohistochemical staining of h-prune was performed for 205 surgically resected specimens of ESCC.

RESULTS:

In total, 43 (21%) of 205 ESCC cases were positive for h-prune. h-prune-positive ESCC cases showed a more-advanced T stage (P < 0.0001), N stage (P < 0.0001), and tumor stage (P < 0.0001) than h-prune-negative ESCC cases. In the group of 116 stage II and III ESCC cases, recurrence of ESCC was frequently found in h-prune-positive cases. In patients with lung recurrence, the tumors were more likely to be h-prune positive than h-prune negative. Univariate analysis revealed that T stage (P < 0.0001), N stage (P < 0.0001), tumor stage (P < 0.0001), and h-prune staining (P < 0.0001) were significant prognostic factors for survival. Multivariate analysis indicated that N stage (P = 0.0182) and h-prune staining (P < 0.0001) were independent predictors for survival.

CONCLUSIONS:

These results indicate that immunostaining of h-prune is useful to identify patients at high risk for recurrence or poor prognosis associated with ESCC.

PMID:
17896143
[PubMed - indexed for MEDLINE]
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