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. 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

A W Eckert  1 , M H W Lautner, A Schütze, K Bolte, M Bache, M Kappler, J Schubert, H Taubert, U Bilkenroth
Affiliations

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

A W Eckert et al. J Oral Pathol Med. 2010 Apr.

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.

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