Abstract
There is a need for novel treatments of advanced cervical cancer. We investigated the utility of recombinant human TNF-related apoptosis-inducing ligand (rhTRAIL), a molecule capable of inducing apoptosis in cancer cells, for the therapy of CasKi cervical cancer xenografts in nude mice. CasKi cells proved to be sensitive in vitro to rhTRAIL with an IC50 of 120 ng/ml. (125)I-tagged rhTRAIL specifically accumulated in CasKi tumors in mice with the highest uptake of 9.4% ID/g at 2 h post-injection. Both naive and 200 µCi (188)Re-tagged rhTRAIL administered in the amount of 0.35 mg/kg body weight significantly retarded CasKi tumor growth to the same extent in mice without the side effects of cisplatin chemotherapeutic control. rhTRAIL is a promising novel agent for treatment of advanced cervical cancer.
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