دورية أكاديمية

Antiviral Properties and Mechanism of Action Studies of the Hepatitis B Virus Capsid Assembly Modulator JNJ-56136379.

التفاصيل البيبلوغرافية
العنوان: Antiviral Properties and Mechanism of Action Studies of the Hepatitis B Virus Capsid Assembly Modulator JNJ-56136379.
المؤلفون: Berke JM; Janssen Research and Development, Beerse, Belgium jberke@its.jnj.com., Dehertogh P; Janssen Research and Development, Beerse, Belgium., Vergauwen K; Janssen Research and Development, Beerse, Belgium., Mostmans W; Janssen Research and Development, Beerse, Belgium., Vandyck K; Janssen Research and Development, Beerse, Belgium., Raboisson P; Janssen Research and Development, Beerse, Belgium., Pauwels F; Janssen Research and Development, Beerse, Belgium.
المصدر: Antimicrobial agents and chemotherapy [Antimicrob Agents Chemother] 2020 Apr 21; Vol. 64 (5). Date of Electronic Publication: 2020 Apr 21 (Print Publication: 2020).
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: American Society for Microbiology Country of Publication: United States NLM ID: 0315061 Publication Model: Electronic-Print Cited Medium: Internet ISSN: 1098-6596 (Electronic) Linking ISSN: 00664804 NLM ISO Abbreviation: Antimicrob Agents Chemother Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Washington, American Society for Microbiology
مواضيع طبية MeSH: Antiviral Agents/*pharmacology , Capsid/*drug effects , Hepatitis B virus/*drug effects , Organic Chemicals/*pharmacology, Capsid/ultrastructure ; Capsid Proteins/metabolism ; Cell Line ; DNA Replication/drug effects ; DNA, Viral/biosynthesis ; DNA, Viral/drug effects ; Dose-Response Relationship, Drug ; Drug Synergism ; Hepatitis B/drug therapy ; Hepatitis B/virology ; Hepatitis B virus/ultrastructure ; Hepatocytes/virology ; Humans ; Microbial Sensitivity Tests ; Primary Cell Culture ; Virus Replication/drug effects
مستخلص: Capsid assembly is a critical step in the hepatitis B virus (HBV) life cycle, mediated by the core protein. Core is a potential target for new antiviral therapies, the capsid assembly modulators (CAMs). JNJ-56136379 (JNJ-6379) is a novel and potent CAM currently in phase II trials. We evaluated the mechanisms of action (MOAs) and antiviral properties of JNJ-6379 in vitro Size exclusion chromatography and electron microscopy studies demonstrated that JNJ-6379 induced the formation of morphologically intact viral capsids devoid of genomic material (primary MOA). JNJ-6379 accelerated the rate and extent of HBV capsid assembly in vitro JNJ-6379 specifically and potently inhibited HBV replication; its median 50% effective concentration (EC 50 ) was 54 nM (HepG2.117 cells). In HBV-infected primary human hepatocytes (PHHs), JNJ-6379, when added with the viral inoculum, dose-dependently reduced extracellular HBV DNA levels (median EC 50 of 93 nM) and prevented covalently closed circular DNA (cccDNA) formation, leading to a dose-dependent reduction of intracellular HBV RNA levels (median EC 50 of 876 nM) and reduced antigen levels (secondary MOA). Adding JNJ-6379 to PHHs 4 or 5 days postinfection reduced extracellular HBV DNA and did not prevent cccDNA formation. Time-of-addition PHH studies revealed that JNJ-6379 most likely interfered with postentry processes. Collectively, these data demonstrate that JNJ-6379 has dual MOAs in the early and late steps of the HBV life cycle, which is different from the MOA of nucleos(t)ide analogues. JNJ-6379 is in development for chronic hepatitis B treatment and may translate into higher HBV functional cure rates.
(Copyright © 2020 American Society for Microbiology.)
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فهرسة مساهمة: Keywords: capsid; capsid assembly modulator; cccDNA; hepatitis; hepatitis B virus; primary human hepatocytes
سلسلة جزيئية: ClinicalTrials.gov NCT03361956
المشرفين على المادة: 0 (Antiviral Agents)
0 (Capsid Proteins)
0 (DNA, Viral)
0 (JNJ-56136379)
0 (Organic Chemicals)
تواريخ الأحداث: Date Created: 20200226 Date Completed: 20210405 Latest Revision: 20231103
رمز التحديث: 20231103
مُعرف محوري في PubMed: PMC7179615
DOI: 10.1128/AAC.02439-19
PMID: 32094138
قاعدة البيانات: MEDLINE
الوصف
تدمد:1098-6596
DOI:10.1128/AAC.02439-19