The effect of a normal tissue radioprotector Adeturone on the radiation sensitivity of Lewis lung carcinoma: an enhanced response
- PMID: 3537814
The effect of a normal tissue radioprotector Adeturone on the radiation sensitivity of Lewis lung carcinoma: an enhanced response
Abstract
The effect of the normal tissue radioprotector Adeturone (S-2-aminoethylisothiuronium adenosine-5'-triphosphate) on the response of primary and metastatic Lewis lung carcinoma to radiation was evaluated. It was found that this compound enhanced the antitumor effect of whole-body and local radiation. In experiments with whole-body radiation Adeturone eliminated the lethality due to radiation toxicity (for a daily treatment schedule--10 X 1 Gy/fraction) or reduced it from 50% to 25% (for an intermittent schedule--3 X 3.34 Gy/fraction). Following local radiation treatment combined with Adeturone, a higher TWI%, longer tumor doubling time and longer mean survival time were recorded than for either treatment alone. An enhanced activity against metastatic growth of Lewis lung carcinoma to the lungs was also found with combined therapy.
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