Extended Data Fig. 9: Model of relationship between dT nucleotide metabolism and telomere synthesis.
From: Thymidine nucleotide metabolism controls human telomere length

a-e, Schematics illustrate conditions of homeostasis (a), dT supplementation (b), dU supplementation (c), loss of SAMHD1 (d), and treatment with hydroxyurea or 5-fluorouracil (e).