Thymidine kinase (TK)

Definition:

Thymidine kinase (TK) is a cellular enzyme which is involved in a "salvage pathway" of DNA synthesis. TK is activated in the G1/S phase of the cell cycle, and TK is correlated with the proliferative activity of tumor cells.

References:

[1]. M Hallek, et al. Thymidine kinase: a tumor marker with prognostic value for non-Hodgkin's lymphoma and a broad range of potential clinical applications. Ann Hematol. 1992 Jul;65(1):1-5. [Content Brief]

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