Thymidine and 3'-azido-3'-deoxythymidine metabolism in human peripheral blood lymphocytes and monocyte-derived macrophages. A study of both anabolic and catabolic pathways.

@article{Arnr1992ThymidineA3,
  title={Thymidine and 3'-azido-3'-deoxythymidine metabolism in human peripheral blood lymphocytes and monocyte-derived macrophages. A study of both anabolic and catabolic pathways.},
  author={Elias S. J. Arn{\'e}r and Antonio Valent{\'i}n and Staffan Eriksson},
  journal={The Journal of biological chemistry},
  year={1992},
  volume={267 16},
  pages={10968-75}
}
3'-Azido-3'-deoxythymidine (AZT) is HIV-inhibitory in human macrophages, which is surprising in view of the low AZT phosphorylation reported in macrophage extracts. To elucidate the mechanism of AZT activation, we studied AZT anabolism as well as catabolism in human lymphocytes and macrophages, and compared it to that of thymidine. Thymidine kinase (TK)-specific activity in mitogen-stimulated lymphocytes was 15 times higher than in macrophages. However, the TK activity per cell was only 1.3… CONTINUE READING

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