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He Y, Shen M, Wang X, Yin A, Liu B, Zhu J, Zhang Z. Suppression of Interferon Response and Antiviral Strategies of Bunyaviruses. Trop Med Infect Dis 2024; 9:205. [PMID: 39330894 PMCID: PMC11435552 DOI: 10.3390/tropicalmed9090205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2024] [Revised: 08/28/2024] [Accepted: 09/05/2024] [Indexed: 09/28/2024] Open
Abstract
The order Bunyavirales belongs to the class of Ellioviricetes and is classified into fourteen families. Some species of the order Bunyavirales pose potential threats to human health. The continuously increasing research reveals that various viruses within this order achieve immune evasion in the host through suppressing interferon (IFN) response. As the types and nodes of the interferon response pathway are continually updated or enriched, the IFN suppression mechanisms and target points of different virus species within this order are also constantly enriched and exhibit variations. For instance, Puumala virus (PUUV) and Tula virus (TULV) can inhibit IFN response through their functional NSs inhibiting downstream factor IRF3 activity. Nevertheless, the IFN suppression mechanisms of Dabie bandavirus (DBV) and Guertu virus (GTV) are mostly mediated by viral inclusion bodies (IBs) or filamentous structures (FSs). Currently, there are no effective drugs against several viruses belonging to this order that pose significant threats to society and human health. While the discovery, development, and application of antiviral drugs constitute a lengthy process, our focus on key targets in the IFN response suppression process of the virus leads to potential antiviral strategies, which provide references for both basic research and practical applications.
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Affiliation(s)
- Yingying He
- Institute of Clinical Virology, Department of Infectious Diseases, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
- Department of Clinical Medicine, Anhui Medical University, Hefei 230032, China
| | - Min Shen
- Institute of Clinical Virology, Department of Infectious Diseases, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
- Department of Clinical Medicine, Anhui Medical University, Hefei 230032, China
| | - Xiaohe Wang
- Institute of Clinical Virology, Department of Infectious Diseases, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
- Department of Clinical Medicine, Anhui Medical University, Hefei 230032, China
| | - Anqi Yin
- Institute of Clinical Virology, Department of Infectious Diseases, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
- Department of Clinical Medicine, Anhui Medical University, Hefei 230032, China
| | - Bingyan Liu
- Institute of Clinical Virology, Department of Infectious Diseases, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Jie Zhu
- Institute of Clinical Virology, Department of Infectious Diseases, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Zhenhua Zhang
- Institute of Clinical Virology, Department of Infectious Diseases, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
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Jawad B, Poudel L, Podgornik R, Ching WY. Thermodynamic Dissection of the Intercalation Binding Process of Doxorubicin to dsDNA with Implications of Ionic and Solvent Effects. J Phys Chem B 2020; 124:7803-7818. [PMID: 32786213 DOI: 10.1021/acs.jpcb.0c05840] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Doxorubicin (DOX) is a cancer drug that binds to dsDNA through intercalation. A comprehensive microsecond timescale molecular dynamics study is performed for DOX with 16 tetradecamer dsDNA sequences in explicit aqueous solvent, in order to investigate the intercalation process at both binding stages (conformational change and insertion binding stages). The molecular mechanics generalized Born surface area (MM-GBSA) method is adapted to quantify and break down the binding free energy (BFE) into its thermodynamic components, for a variety of different solution conditions as well as different DNA sequences. Our results show that the van der Waals interaction provides the largest contribution to the BFE at each stage of binding. The sequence selectivity depends mainly on the base pairs located downstream from the DOX intercalation site, with a preference for (AT)2 or (TA)2 driven by the favorable electrostatic and/or van der Waals interactions. Invoking the quartet sequence model proved to be most successful to predict the sequence selectivity. Our findings also indicate that the aqueous bathing solution (i.e., water and ions) opposes the formation of the DOX-DNA complex at every binding stage, thus implying that the complexation process preferably occurs at low ionic strength and is crucially dependent on solvent effects.
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Affiliation(s)
- Bahaa Jawad
- Department of Physics and Astronomy, University of Missouri-Kansas City, Kansas City 64110, Missouri, United States.,Department of Applied Sciences, University of Technology, Baghdad 10066, Iraq
| | - Lokendra Poudel
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, Texas 77843, United States
| | - Rudolf Podgornik
- School of Physical Sciences and Kavli Institute of Theoretical Science, University of Chinese Academy of Sciences, Beijing 100049, China.,CAS Key Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100090, China.,Department of Physics, Faculty of Mathematics and Physics, University of Ljubljana, SI-1000 Ljubljana, Slovenia
| | - Wai-Yim Ching
- Department of Physics and Astronomy, University of Missouri-Kansas City, Kansas City 64110, Missouri, United States
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