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Peng K, Wallace SD, Bagde SR, Shang J, Anmangandla A, Jana S, Fromme JC, Lin H. GS-441524-Diphosphate-Ribose Derivatives as Nanomolar Binders and Fluorescence Polarization Tracers for SARS-CoV-2 and Other Viral Macrodomains. ACS Chem Biol 2024; 19:1093-1105. [PMID: 38646883 PMCID: PMC11106745 DOI: 10.1021/acschembio.4c00027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 03/28/2024] [Accepted: 04/09/2024] [Indexed: 04/23/2024]
Abstract
Viral macrodomains that can bind to or hydrolyze protein adenosine diphosphate ribosylation (ADP-ribosylation) have emerged as promising targets for antiviral drug development. Many inhibitor development efforts have been directed against the severe acute respiratory syndrome coronavirus 2 macrodomain 1 (SARS-CoV-2 Mac1). However, potent inhibitors for viral macrodomains are still lacking, with the best inhibitors still in the micromolar range. Based on GS-441524, a remdesivir precursor, and our previous studies, we have designed and synthesized potent binders of SARS-CoV-2 Mac1 and other viral macrodomains including those of Middle East respiratory syndrome coronavirus (MERS-CoV), Venezuelan equine encephalitis virus (VEEV), and Chikungunya virus (CHIKV). We show that the 1'-CN group of GS-441524 promotes binding to all four viral macrodomains tested while capping the 1″-OH of GS-441524-diphosphate-ribose with a simple phenyl ring further contributes to binding. Incorporating these two structural features, the best binders show 20- to 6000-fold increases in binding affinity over ADP-ribose for SARS-CoV-2, MERS-CoV, VEEV, and CHIKV macrodomains. Moreover, building on these potent binders, we have developed two highly sensitive fluorescence polarization tracers that only require nanomolar proteins and can effectively resolve the binding affinities of nanomolar inhibitors. Our findings and probes described here will facilitate future development of more potent viral macrodomain inhibitors.
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Affiliation(s)
- Kewen Peng
- Department
of Chemistry and Chemical Biology, Cornell
University, Ithaca, New York 14853, United States
| | - Shamar D. Wallace
- Department
of Molecular Biology and Genetics, Weill Institute for Cell and Molecular
Biology, Cornell University, Ithaca, New York 14853, United States
| | - Saket R. Bagde
- Department
of Molecular Biology and Genetics, Weill Institute for Cell and Molecular
Biology, Cornell University, Ithaca, New York 14853, United States
| | - Jialin Shang
- Department
of Chemistry and Chemical Biology, Cornell
University, Ithaca, New York 14853, United States
| | - Ananya Anmangandla
- Department
of Chemistry and Chemical Biology, Cornell
University, Ithaca, New York 14853, United States
| | - Sadhan Jana
- Department
of Chemistry and Chemical Biology, Cornell
University, Ithaca, New York 14853, United States
| | - J. Christopher Fromme
- Department
of Molecular Biology and Genetics, Weill Institute for Cell and Molecular
Biology, Cornell University, Ithaca, New York 14853, United States
| | - Hening Lin
- Howard
Hughes Medical Institute, Department of Chemistry and Chemical Biology,
Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York 14853, United States
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2
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Meganck RM, Edwards CE, Mallory ML, Lee RE, Dang H, Bailey AB, Wykoff JA, Gallant SC, Zhu DR, Yount BL, Kato T, Shaffer KM, Nakano S, Cawley AM, Sontake V, Wang JR, Hagan RS, Miller MB, Tata PR, Randell SH, Tse LV, Ehre C, Okuda K, Boucher RC, Baric RS. SARS-CoV-2 variant of concern fitness and adaptation in primary human airway epithelia. Cell Rep 2024; 43:114076. [PMID: 38607917 PMCID: PMC11165423 DOI: 10.1016/j.celrep.2024.114076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 02/09/2024] [Accepted: 03/21/2024] [Indexed: 04/14/2024] Open
Abstract
The severe acute respiratory syndrome coronavirus 2 pandemic is characterized by the emergence of novel variants of concern (VOCs) that replace ancestral strains. Here, we dissect the complex selective pressures by evaluating variant fitness and adaptation in human respiratory tissues. We evaluate viral properties and host responses to reconstruct forces behind D614G through Omicron (BA.1) emergence. We observe differential replication in airway epithelia, differences in cellular tropism, and virus-induced cytotoxicity. D614G accumulates the most mutations after infection, supporting zoonosis and adaptation to the human airway. We perform head-to-head competitions and observe the highest fitness for Gamma and Delta. Under these conditions, RNA recombination favors variants encoding the B.1.617.1 lineage 3' end. Based on viral growth kinetics, Alpha, Gamma, and Delta exhibit increased fitness compared to D614G. In contrast, the global success of Omicron likely derives from increased transmission and antigenic variation. Our data provide molecular evidence to support epidemiological observations of VOC emergence.
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Affiliation(s)
- Rita M Meganck
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Caitlin E Edwards
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Michael L Mallory
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Rhianna E Lee
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Hong Dang
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Alexis B Bailey
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Jason A Wykoff
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Samuel C Gallant
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Deanna R Zhu
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Boyd L Yount
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Takafumi Kato
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Kendall M Shaffer
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Satoko Nakano
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Anne Marie Cawley
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | | | - Jeremy R Wang
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Robert S Hagan
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA; Division of Pulmonary Diseases and Critical Care Medicine, UNC School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Melissa B Miller
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | | | - Scott H Randell
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Longping V Tse
- Department of Molecular Microbiology & Immunology, Saint Louis University, St. Louis, MO 63104, USA
| | - Camille Ehre
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Kenichi Okuda
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Richard C Boucher
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Ralph S Baric
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA.
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3
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Sievers BL, Cheng MTK, Csiba K, Meng B, Gupta RK. SARS-CoV-2 and innate immunity: the good, the bad, and the "goldilocks". Cell Mol Immunol 2024; 21:171-183. [PMID: 37985854 PMCID: PMC10805730 DOI: 10.1038/s41423-023-01104-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 11/01/2023] [Indexed: 11/22/2023] Open
Abstract
An ancient conflict between hosts and pathogens has driven the innate and adaptive arms of immunity. Knowledge about this interplay can not only help us identify biological mechanisms but also reveal pathogen vulnerabilities that can be leveraged therapeutically. The humoral response to SARS-CoV-2 infection has been the focus of intense research, and the role of the innate immune system has received significantly less attention. Here, we review current knowledge of the innate immune response to SARS-CoV-2 infection and the various means SARS-CoV-2 employs to evade innate defense systems. We also consider the role of innate immunity in SARS-CoV-2 vaccines and in the phenomenon of long COVID.
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Affiliation(s)
| | - Mark T K Cheng
- Department of Medicine, University of Cambridge, Cambridge, UK
| | - Kata Csiba
- Department of Medicine, University of Cambridge, Cambridge, UK
| | - Bo Meng
- Department of Medicine, University of Cambridge, Cambridge, UK.
- Cambridge Institute of Therapeutic Immunology & Infectious Disease (CITIID), Department of Medicine, University of Cambridge, Cambridge, UK.
| | - Ravindra K Gupta
- Department of Medicine, University of Cambridge, Cambridge, UK.
- Cambridge Institute of Therapeutic Immunology & Infectious Disease (CITIID), Department of Medicine, University of Cambridge, Cambridge, UK.
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4
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Sergio MC, Ricciardi S, Guarino AM, Giaquinto L, De Matteis MA. Membrane remodeling and trafficking piloted by SARS-CoV-2. Trends Cell Biol 2024:S0962-8924(23)00256-8. [PMID: 38262893 DOI: 10.1016/j.tcb.2023.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/14/2023] [Accepted: 12/21/2023] [Indexed: 01/25/2024]
Abstract
The molecular mechanisms underlying SARS-CoV-2 host cell invasion and life cycle have been studied extensively in recent years, with a primary focus on viral entry and internalization with the aim of identifying antiviral therapies. By contrast, our understanding of the molecular mechanisms involved in the later steps of the coronavirus life cycle is relatively limited. In this review, we describe what is known about the host factors and viral proteins involved in the replication, assembly, and egress phases of SARS-CoV-2, which induce significant host membrane rearrangements. We also discuss the limits of the current approaches and the knowledge gaps still to be addressed.
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Affiliation(s)
- Maria Concetta Sergio
- Telethon Institute of Genetics and Medicine, Pozzuoli, Italy; University of Naples Federico II, Naples, Italy
| | | | - Andrea M Guarino
- Telethon Institute of Genetics and Medicine, Pozzuoli, Italy; University of Naples Federico II, Naples, Italy
| | - Laura Giaquinto
- Telethon Institute of Genetics and Medicine, Pozzuoli, Italy; University of Naples Federico II, Naples, Italy
| | - Maria Antonietta De Matteis
- Telethon Institute of Genetics and Medicine, Pozzuoli, Italy; University of Naples Federico II, Naples, Italy.
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5
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Kerr CM, Pfannenstiel JJ, Alhammad YM, Roy A, O’Connor JJ, Ghimire R, Khattabi R, Shrestha R, McDonald PR, Gao P, Johnson DK, More S, Channappanavar R, Fehr AR. Mutation of highly conserved residues in loop 2 of the coronavirus macrodomain demonstrates that enhanced ADP-ribose binding is detrimental to infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.03.574082. [PMID: 38260573 PMCID: PMC10802294 DOI: 10.1101/2024.01.03.574082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
All coronaviruses (CoVs) encode for a conserved macrodomain (Mac1) located in nonstructural protein 3 (nsp3). Mac1 is an ADP-ribosylhydrolase that binds and hydrolyzes mono-ADP-ribose from target proteins. Previous work has shown that Mac1 is important for virus replication and pathogenesis. Within Mac1, there are several regions that are highly conserved across CoVs, including the GIF (glycine-isoleucine-phenylalanine) motif. To determine how the biochemical activities of these residues impact CoV replication, the isoleucine and the phenylalanine residues were mutated to alanine (I-A/F-A) in both recombinant Mac1 proteins and recombinant CoVs, including murine hepatitis virus (MHV), Middle East respiratory syndrome coronavirus (MERS-CoV), and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The F-A mutant proteins had ADP-ribose binding and/or hydrolysis defects that led to attenuated replication and pathogenesis in cell culture and mice. In contrast, the I-A mutations had normal enzyme activity and enhanced ADP-ribose binding. Despite increased ADP-ribose binding, I-A mutant MERS-CoV and SARS-CoV-2 were highly attenuated in both cell culture and mice, indicating that this isoleucine residue acts as a gate that controls ADP-ribose binding for efficient virus replication. These results highlight the function of this highly conserved residue and provide unique insight into how macrodomains control ADP-ribose binding and hydrolysis to promote viral replication and pathogenesis.
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Affiliation(s)
- Catherine M. Kerr
- Department of Molecular Biosciences, University of Kansas, Lawrence, Kansas 66045, USA
| | | | - Yousef M. Alhammad
- Department of Molecular Biosciences, University of Kansas, Lawrence, Kansas 66045, USA
| | - Anuradha Roy
- High Throughput Screening Laboratory, University of Kansas, Lawrence, Kansas 66047, USA
| | - Joseph J. O’Connor
- Department of Molecular Biosciences, University of Kansas, Lawrence, Kansas 66045, USA
| | - Roshan Ghimire
- Department of Veterinary Pathobiology, Oklahoma State University, Stillwater, Oklahoma 74078, USA
| | - Reem Khattabi
- Department of Molecular Biosciences, University of Kansas, Lawrence, Kansas 66045, USA
| | - Rakshya Shrestha
- Department of Veterinary Pathobiology, Oklahoma State University, Stillwater, Oklahoma 74078, USA
| | - Peter R. McDonald
- High Throughput Screening Laboratory, University of Kansas, Lawrence, Kansas 66047, USA
| | - Philip Gao
- Protein Production Group, University of Kansas, Lawrence, Kansas 66047, USA
| | - David K. Johnson
- Molecular Graphics and Modeling Laboratory and the Computational Chemical Biology Core, University of Kansas, Lawrence, Kansas 66047, USA
| | - Sunil More
- Department of Veterinary Pathobiology, Oklahoma State University, Stillwater, Oklahoma 74078, USA
- Oklahoma Center for Respiratory and Infectious Diseases, College of Veterinary Medicine, Stillwater, Oklahoma 74078, USA
| | - Rudragouda Channappanavar
- Department of Veterinary Pathobiology, Oklahoma State University, Stillwater, Oklahoma 74078, USA
- Oklahoma Center for Respiratory and Infectious Diseases, College of Veterinary Medicine, Stillwater, Oklahoma 74078, USA
| | - Anthony R. Fehr
- Department of Molecular Biosciences, University of Kansas, Lawrence, Kansas 66045, USA
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