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2017 Fiscal Year Final Research Report

Application of molecular dynamics simulation to construct of virtual assay system of antiviral drug resistance

Research Project

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Project/Area Number 16K15420
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Gastroenterology
Research InstitutionHokkaido University

Principal Investigator

Sakamoto Naoya  北海道大学, 医学研究院, 教授 (10334418)

Co-Investigator(Kenkyū-buntansha) 須田 剛生  北海道大学, 大学病院, 特任助教 (20447460)
森川 賢一  北海道大学, 大学病院, 助教 (60384377)
Project Period (FY) 2016-04-01 – 2018-03-31
Keywordsウイルス肝炎
Outline of Final Research Achievements

We conducted molecular dynamics simulation assay to construct docking models of direct acting antivirals and the target viral protein and studied effects of resistance-associated mutations of the viral protein on the drug-protein binding affinity and the drug resistance. We further conducted in-vitro HCV replicon cell culture system and confirmed significant association of the calculated binding affinity and the phenotypic drug resistance. We confirmed that NS5A-P32del resistance mutation acquires strong resistance to all clinically available NS5A inhibitors in vitro.

Free Research Field

消化器内科学

URL: 

Published: 2019-03-29  

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