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Abstract

Different cell lines, two from human colon carcinoma (LoVo and HT29) and one from Chinese hamster ovary (CHO K-1), were examined to assess the effect of deoxycoformycin (dCF), an inhibitor of adenosine deaminase (ADA), and 2'-deoxyadenosine (dAdo) on their growth. When used alone, neither dCF nor dAdo were cytotoxic for the three cell lines, while their combination caused inhibition of cell growth, with the following sensitivity: CHO K-1 > LoVo > HT29. The pattern of enzymatic activities involved in the metabolism of dAdo in the three cell lines was also studied. The phosphorylation of dAdo by adenosine kinase appears to play a central role in the toxicity of the deoxynucleoside in combination with dCF.

Additional information

Authors: CAMAICI M ET AL., Università di Pisa (IT);TURCHI G, JRC Ispra (IT);COS J ET AL., Universitat de Barcelona (ES)
Bibliographic Reference: Article: International Journal of Cancer (1995)
Record Number: 199511173 / Last updated on: 1995-08-23
Category: PUBLICATION
Original language: en
Available languages: en