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J Oral Pathol Med. 2010 Apr;39(4):313-7. doi: 10.1111/j.1600-0714.2009.00829.x. Epub 2009 Sep 17.

Co-expression of Hif1alpha and CAIX is associated with poor prognosis in oral squamous cell carcinoma patients.

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1
Department of Oral and Maxillofacial Plastic Surgery, Martin-Luther-University Halle-Wittenberg, Halle, Germany.

Abstract

BACKGROUND:

This study investigates the prognostic impact of the expression of hypoxia-inducible factor 1alpha (Hif1alpha) and carbonic anhydrase IX (CAIX) detected by immunohistochemistry in oral squamous cell carcinoma (OSCC).

METHODS:

Statistical analysis of immunohistochemical results with clinical parameters including survival outcomes was performed for 80 OSCC patients.

RESULTS:

Patients with a low expression of both proteins survived on average 54.8 months, whereas those with an increased expression of Hif1alpha in their tumors combined with a low expression of CAIX survived on average only 37.6 months (P = 0.026). In multivariate Cox's regression hazard analysis, again patients with a low expression of Hif1alpha/CAIX had the best prognosis, whereas patients with increased Hif1alpha and low CAIX expression carried a 4.97-fold increased risk of tumor-related death (P = 0.042).

CONCLUSION:

A co-detection of low Hif1alpha/CAIX expression is significantly correlated with a better prognosis for OSCC patients, which may have implications for therapy options for these patients.

[Indexed for MEDLINE]

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