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. 2022 Apr 27;15:45. doi: 10.1186/s13045-022-01263-x

Fig. 1.

Fig. 1

Historical development and breakthroughs in targeting nucleotide metabolism in cancer treatment. Targeting nucleotide metabolism in cancer treatment could be divided into two generations. In the Generation 1, targeting nucleotide metabolism was designed as chemotherapeutics to treat cancer. In the Generation 2, immunotherapy could enhance its efficacy with therapeutic agents blocking nucleotide metabolism