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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Expression of cyclooxygenase-2 ( COX-2) in human invasive transitional cell carcinoma (TCC) of the urinary bladder.

Cyclooxygenase (COX)-inhibiting drugs have antitumor activity in canine and rodent models of urinary bladder cancer. Two isoenzymes of COX have been identified, COX-1 and COX-2. The purpose of this study was to characterize COX-1 and COX-2 expression in human invasive transitional cell carcinoma of the urinary bladder by immunohistochemistry and Western blot analysis. COX-2 was not expressed in normal urinary bladder samples but was detected in 25 of 29 (86%) invasive transitional cell carcinomas of the urinary bladder and in 6 of 8 (75%) cases of carcinoma in situ. These results indicate that COX-2 may play a role in bladder cancer in humans and support further study of COX-2 inhibitors as potential antitumor agents in human bladder cancer.[1]


  1. Expression of cyclooxygenase-2 (COX-2) in human invasive transitional cell carcinoma (TCC) of the urinary bladder. Mohammed, S.I., Knapp, D.W., Bostwick, D.G., Foster, R.S., Khan, K.N., Masferrer, J.L., Woerner, B.M., Snyder, P.W., Koki, A.T. Cancer Res. (1999) [Pubmed]
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