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Title: Mathematical modeling of plus-strand RNA virus replication to identify broad-spectrum antiviral treatment strategies

Abstract

Plus-strand RNA viruses are the largest group of viruses. Many are human pathogens that inflict a socio-economic burden. Interestingly, plus-strand RNA viruses share remarkable similarities in their replication. A hallmark of plus-strand RNA viruses is the remodeling of intracellular membranes to establish replication organelles (so-called “replication factories”), which provide a protected environment for the replicase complex, consisting of the viral genome and proteins necessary for viral RNA synthesis. In the current study, we investigate pan-viral similarities and virus-specific differences in the life cycle of this highly relevant group of viruses. We first measured the kinetics of viral RNA, viral protein, and infectious virus particle production of hepatitis C virus (HCV), dengue virus (DENV), and coxsackievirus B3 (CVB3) in the immuno-compromised Huh7 cell line and thus without perturbations by an intrinsic immune response. Based on these measurements, we developed a detailed mathematical model of the replication of HCV, DENV, and CVB3 and showed that only small virus-specific changes in the model were necessary to describe the in vitro dynamics of the different viruses. Our model correctly predicted virus-specific mechanisms such as host cell translation shut off and different kinetics of replication organelles. Further, our model suggests that the ability to suppressmore » or shut down host cell mRNA translation may be a key factor for in vitro replication efficiency, which may determine acute self-limited or chronic infection. We further analyzed potential broad-spectrum antiviral treatment options in silico and found that targeting viral RNA translation, such as polyprotein cleavage and viral RNA synthesis, may be the most promising drug targets for all plus-strand RNA viruses. Moreover, we found that targeting only the formation of replicase complexes did not stop the in vitro viral replication early in infection, while inhibiting intracellular trafficking processes may even lead to amplified viral growth.« less

Authors:
; ORCiD logo; ; ; ; ORCiD logo; ; ; ; ORCiD logo;
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); Federal Ministry of Education and Research ( BMBF ); German Research Foundation (DFG); German Cancer Research Center (DKFZ); National Institutes of Health (NIH)
OSTI Identifier:
1970049
Alternate Identifier(s):
OSTI ID: 1968339; OSTI ID: 1975019
Report Number(s):
LA-UR-22-21450
Journal ID: ISSN 1553-7358; 10.1371/journal.pcbi.1010423
Grant/Contract Number:  
89233218CNA000001; R01-AI078881, and R01-AI116868; 031A602A; KA 2989/13-1; R01-AI078881; R01-AI116868
Resource Type:
Published Article
Journal Name:
PLoS Computational Biology (Online)
Additional Journal Information:
Journal Name: PLoS Computational Biology (Online) Journal Volume: 19 Journal Issue: 4; Journal ID: ISSN 1553-7358
Publisher:
Public Library of Science (PLoS)
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; 97 MATHEMATICS AND COMPUTING; dengue virus; protein translation; viral replication; RNA viruses; hepatitis C virus; ribosomes; RNA synthesis; life cycles

Citation Formats

Zitzmann, Carolin, Dächert, Christopher, Schmid, Bianca, van der Schaar, Hilde, van Hemert, Martijn, Perelson, Alan S., van Kuppeveld, Frank J. M., Bartenschlager, Ralf, Binder, Marco, Kaderali, Lars, and Kasson, ed., Peter M. Mathematical modeling of plus-strand RNA virus replication to identify broad-spectrum antiviral treatment strategies. United States: N. p., 2023. Web. doi:10.1371/journal.pcbi.1010423.
Zitzmann, Carolin, Dächert, Christopher, Schmid, Bianca, van der Schaar, Hilde, van Hemert, Martijn, Perelson, Alan S., van Kuppeveld, Frank J. M., Bartenschlager, Ralf, Binder, Marco, Kaderali, Lars, & Kasson, ed., Peter M. Mathematical modeling of plus-strand RNA virus replication to identify broad-spectrum antiviral treatment strategies. United States. https://doi.org/10.1371/journal.pcbi.1010423
Zitzmann, Carolin, Dächert, Christopher, Schmid, Bianca, van der Schaar, Hilde, van Hemert, Martijn, Perelson, Alan S., van Kuppeveld, Frank J. M., Bartenschlager, Ralf, Binder, Marco, Kaderali, Lars, and Kasson, ed., Peter M. Tue . "Mathematical modeling of plus-strand RNA virus replication to identify broad-spectrum antiviral treatment strategies". United States. https://doi.org/10.1371/journal.pcbi.1010423.
@article{osti_1970049,
title = {Mathematical modeling of plus-strand RNA virus replication to identify broad-spectrum antiviral treatment strategies},
author = {Zitzmann, Carolin and Dächert, Christopher and Schmid, Bianca and van der Schaar, Hilde and van Hemert, Martijn and Perelson, Alan S. and van Kuppeveld, Frank J. M. and Bartenschlager, Ralf and Binder, Marco and Kaderali, Lars and Kasson, ed., Peter M.},
abstractNote = {Plus-strand RNA viruses are the largest group of viruses. Many are human pathogens that inflict a socio-economic burden. Interestingly, plus-strand RNA viruses share remarkable similarities in their replication. A hallmark of plus-strand RNA viruses is the remodeling of intracellular membranes to establish replication organelles (so-called “replication factories”), which provide a protected environment for the replicase complex, consisting of the viral genome and proteins necessary for viral RNA synthesis. In the current study, we investigate pan-viral similarities and virus-specific differences in the life cycle of this highly relevant group of viruses. We first measured the kinetics of viral RNA, viral protein, and infectious virus particle production of hepatitis C virus (HCV), dengue virus (DENV), and coxsackievirus B3 (CVB3) in the immuno-compromised Huh7 cell line and thus without perturbations by an intrinsic immune response. Based on these measurements, we developed a detailed mathematical model of the replication of HCV, DENV, and CVB3 and showed that only small virus-specific changes in the model were necessary to describe the in vitro dynamics of the different viruses. Our model correctly predicted virus-specific mechanisms such as host cell translation shut off and different kinetics of replication organelles. Further, our model suggests that the ability to suppress or shut down host cell mRNA translation may be a key factor for in vitro replication efficiency, which may determine acute self-limited or chronic infection. We further analyzed potential broad-spectrum antiviral treatment options in silico and found that targeting viral RNA translation, such as polyprotein cleavage and viral RNA synthesis, may be the most promising drug targets for all plus-strand RNA viruses. Moreover, we found that targeting only the formation of replicase complexes did not stop the in vitro viral replication early in infection, while inhibiting intracellular trafficking processes may even lead to amplified viral growth.},
doi = {10.1371/journal.pcbi.1010423},
journal = {PLoS Computational Biology (Online)},
number = 4,
volume = 19,
place = {United States},
year = {Tue Apr 04 00:00:00 EDT 2023},
month = {Tue Apr 04 00:00:00 EDT 2023}
}

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