Radiation sensitivity of human carcinoma cells transfected with small interfering RNA targeted against cyclooxygenase-2.


PURPOSE Cyclooxygenase-2 (COX-2) is considered a potential target for cancer therapy, because COX-2 levels are elevated in the majority of human tumors compared with the normal tissues. COX-2 inhibitors inhibit tumor growth and enhance radiation response in vitro as well as in vivo. However, the precise role of COX-2 in radiation response is not clear. The… (More)


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