Background:

2'-Deoxyuridine could increase chromosome breakage and results in a decreased thymidylate synthetase activity. A known use of 2'-Deoxyuridine is as a precursor in the synthesis of Edoxudine.

参考文献:
[1]. Reidy JA, et al. Deoxyuridine increases folate-sensitive fragile site expression in human lymphocytes. Am J Med Genet. 1987 Jan;26(1):1-5.