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. Author manuscript; available in PMC: 2023 Sep 9.
Published in final edited form as: Expert Opin Drug Metab Toxicol. 2022 Sep 9;18(7-8):483–505. doi: 10.1080/17425255.2022.2112175

Table 4.

Summary of antiviral nucleoside analogs as substrates and modulators of human nucleoside transporters

Transporter (Km (mM)) CNT1 CNT2 CNT3 ENT1 ENT2 ENT3 Ref

Gene SLC28A1 SLC28A2 SLC28A3 SLC29A1 SLC29A2 SLC29A3

Remdesivir - - - sub sub - [145]
inh inh

GS-441524 nsub nsub sub sub sub - [146]

Didanosine - sub sub sub (2.3-3.0) sub (3.5) sub [5,142,147,148]

Ganciclovir - - nsub - - sub [142,147]

Entecavir - sub (0.05-1.5) sub (0.02-0.1) sub sub[136] - [135,136]

Ribavirin - sub (0.02) sub (0.01) sub (0.16 – 3.5) sub (4) sub [6,149]

Abacavir - - - sub - - [150]

Zalcitabine nsub - sub sub sub (>7.5) sub [142,147,148,151]

Lamivudine nsub - - - - sub [6,151]

Molnupiravir sub - - nsub nsub - [144,145]

EIDD-1931 sub sub sub sub sub - [144,145]
inh inh

Zidovudine sub (1) - sub nsub sub sub [21,22,40,129,152154]
inh ind

Stavudine sub (15) - sub - - sub [6,151]

Trifluridine sub - - sub sub - [155]

Abbreviation: nsub: not a substrate; sub: substrate; ninh: not an inhibitor; inh: inhibitor; ind: inducer; -: no information reported; Km (mM) value reported is labeled in bracket.