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. 2023 Apr 30;13(5):618. doi: 10.3390/metabo13050618

Figure 5.

Figure 5

Oncometabolites from nucleotide metabolism. Oncogenic intermediates are generated by the deregulated metabolism of purines, pyrimidines, and their cofactors in peritoneal cancers. Oncometabolites resulting from purine metabolism include inosine monophosphate (IMP) and 5-phosphoribosyl-1-pyrophosphate (PRPP) while oncometabolites generated by pyrimidine metabolism include dihydroorotate (DHO), orotate, PRPP, and thymidine. The major cofactors involved in purine and pyrimidine metabolisms that act as oncometabolites are nicotinamide mononucleotide (NMN), nicotinamide adenine dinucleotide (NAD+), nicotinamide adenine dinucleotide phosphate (NADP), dihydrofolate (DHF), and tetrahydrofolate (THF). The abbreviations denote A, Adenine; G, Guanine; U, Uracil; T, Thymine; C5P, Carbamoyl-5-phosphate; UTP, Uridine triphosphate; CTP, Cytidine triphosphate; dCTP, Deoxycytidine triphosphate; dUTP-Deoxyuridine triphosphate; dTMP-Deoxythymidine monophosphate; dTTP, Deoxythymidine triphosphate; Ru5P, Ribulose-5-phosphate; Gln, Glutamine; ATP, Adenosine triphosphate; GTP, Guanosine triphosphate; dATP, Deoxyadenosine triphosphate; and dGTP, Deoxyguanosine triphosphate.