Journal
JOURNAL OF MEDICINAL CHEMISTRY
Volume 64, Issue 9, Pages 5500-5518Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jmedchem.0c01938
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Funding
- Korea Health Industry Development Institute (KHIDI) [HI16C1074]
- GIST Research Institute (GRI) - GIST
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Novel potent pyrimidine derivatives have been synthesized as core assembly modulators for the treatment of chronic hepatitis B virus (HBV) infection. These derivatives showed potent inhibitory effects in in vitro assays and significantly decreased serum HBV DNA levels in a human liver-chimeric uPA/SCID mouse model, particularly when combined with tenofovir.
Core assembly modulators of viral capsid proteins have been developed as an effective treatment of chronic hepatitis B virus (HBV) infection. In this study, we synthesized novel potent pyrimidine derivatives as core assembly modulators, and their antiviral effects were evaluated in in vitro and in vivo biological experiments. One of the synthesized derivatives, compound 23h (R-1 = MeSO2, R-2 = 1-piperidin-4-amine, R-3 = 3-Cl-4-F-aniline) displayed potent inhibitory effects in the in vitro assays (52% inhibition in the protein-based assay at 100 nM and an IC50 value of 181 nM in the serum HBV DNA quantification assay). Moreover, treatment with compound 23h for 5 weeks significantly decreased serum levels of HBV DNA levels (3.35 log reduction) in a human liver-chimeric uPA/SCID mouse model, and these effects were significantly increased when 23h was combined with tenofovir, a nucleotide analogue inhibitor of reverse transcriptase used for the treatment of HBV infection.
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