Abstract
We measured plasma cystatin C concentration and activity of cathepsins B and L in tumor tissue as possible markers for the efficiency of antitumor therapy and prognostic criteria for Lewis lung adenocarcinoma in mice. Plasma cystatin C concentration markedly decreased in mice with tumors. During successive therapy the increase in plasma cystatin C concentration correlated with the degree of inhibition of tumor growth. Activities of cathepsins B and L in the liver increased in animals with tumors. In mice receiving successive antitumor therapy activities of cathepsins B and L increased in tumor tissue, but decreased in the liver (compared to untreated animals).
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Usova, T.A., Poteryaeva, O.N., Zhanayeva, S.Y. et al. Cystatin C and Cysteine Proteinases during the Development and Therapy of Lewis Lung Adenocarcinoma in Mice. Bulletin of Experimental Biology and Medicine 135, 81–84 (2003). https://doi.org/10.1023/A:1023462316317
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DOI: https://doi.org/10.1023/A:1023462316317