21. Three-drug combination with nucleosides showed durable effect. 22. The purine nucleoside bases are notable polycyclic aromatic heterocycles. 23. In medicine, several nucleoside analogues are used as anticancer and antiviral agents. 24. The defect is a type of purine nucleoside phosphorylase deficiency with inactive phosphorylase. 25. DCK is a key enzyme in the nucleoside salvage pathway ( NSP ). 26. The OAT1 transporter transports a number of nucleoside analogs central to antiviral therapy. 27. Clofarabine is a nucleoside discovered at Southern Research that eventually received FDA approval. 28. The four drugs that are currently available to fight AIDS are called nucleoside analogues. 29. They usually are taken in combination with other drugs called nucleoside reverse transcriptase inhibitors. 30. The drug 1592 belongs to a class known as nucleoside analogue reverse transcriptase inhibitors.
