Objective: To investigate the expression of Hypoxia inducible factor-1alpha (HIF-1alpha)and the Bcl-2/adenovirus E1B 19 kDa-interacting protein 3 (BNIP3) in human laryngeal carcinoma and their relationship.
Method: The expression of HIF-1ALPHA and BNIP3 were detected by SP immunohistochemical method in 45 cases with laryngeal carcinoma tissues and 12 adjacent normal laryngeal tissue.
Result: The expression of HIF-1alpha and BNIP3 were mainly in cytoplasm and nucleus. Their expression was higher in laryngeal tissue than in adjacent normal laryngeal tissue (P < 0.05). The expression of HIF 1alpha was positively related to that of BNIP3 in laryngeal carcinoma tissues (P < 0.05).
Conclusion: The high expression of HIF-1alpha and BNIP3 were closely related in laryngeal carcinomas, both of them played important role in the carcinogenesis and development of laryngeal carcinoma. HIF-1alpha might induce the expression of BNIP3. HIF-1alpha and BNIP3 might to be two potential therapeutic targets in laryngeal squamous, cell carcinomas.
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