Prophylactic protection from lethal henipavirus disease mediated by Nipah-derived defective interfering particles is influenced by challenge virus strain and viral speciesResearch in context
Summary: Background: Henipaviruses, including Nipah and Hendra viruses, are zoonotic pathogens that can cause severe respiratory and neurological diseases with high mortality rates in humans. Due to the severity of the disease, the high pandemic potential of these viruses, and the lack of approved...
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| Language: | English |
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Elsevier
2025-09-01
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| Series: | EBioMedicine |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S235239642500341X |
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| author | Stephen R. Welch Jessica R. Spengler Jessica R. Harmon JoAnn D. Coleman-McCray Sarah C. Genzer Katherine A. Davies Teresa E. Sorvillo Florine E.M. Scholte Sergio E. Rodriguez Joel M. Montgomery Stuart T. Nichol Christina F. Spiropoulou |
| author_facet | Stephen R. Welch Jessica R. Spengler Jessica R. Harmon JoAnn D. Coleman-McCray Sarah C. Genzer Katherine A. Davies Teresa E. Sorvillo Florine E.M. Scholte Sergio E. Rodriguez Joel M. Montgomery Stuart T. Nichol Christina F. Spiropoulou |
| author_sort | Stephen R. Welch |
| collection | DOAJ |
| description | Summary: Background: Henipaviruses, including Nipah and Hendra viruses, are zoonotic pathogens that can cause severe respiratory and neurological diseases with high mortality rates in humans. Due to the severity of the disease, the high pandemic potential of these viruses, and the lack of approved treatments, the development of safe and effective medical countermeasures against henipaviruses is a critical priority. Methods: Here, we evaluate treatment efficacy of defective interfering particles (DIPs)—naturally occurring virus-like particles that lack substantial portions of the viral genome—against henipaviruses in the Syrian hamster model of disease. Findings: Prophylactic DIP treatment markedly reduced clinical signs and lethality in Syrian hamsters. Single or repeated pre-exposure regimens, starting up to 3 days before challenge, provided protection, while post-exposure treatment was ineffective. DIPs derived from NiV strain Malaysia were most effective against NiV Malaysia but also provided strong protection against the closely related NiV Bangladesh with certain regimens. However, these DIPs offered minimal or no protection against lethality from the more distantly related Hendra virus. Interpretation: Our data indicate efficacy of DIPs as a pre-exposure prophylactic for henipavirus infection and support a direct mechanism of viral inhibition. Funding: This work was partially supported by the DARPA INTERfering and Co-Evolving Prevention and Therapy (INTERCEPT) program (DARPA-BAA-16-35), CDC Emerging Infectious Disease Research Core Funds, an appointment to the Research Participation Program at the Centers for Disease Control and Prevention (CDC) administered by the Oak Ridge Institute for Science and Education through an interagency agreement between the U.S. Department of Energy and CDC (K.A.D., S.E.R.), and by NIAID 1R01AI151006 (T.E.S). |
| format | Article |
| id | doaj-art-f6e5cfca3acf43d8837bca1a56b2b1c7 |
| institution | Kabale University |
| issn | 2352-3964 |
| language | English |
| publishDate | 2025-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | EBioMedicine |
| spelling | doaj-art-f6e5cfca3acf43d8837bca1a56b2b1c72025-08-26T04:14:23ZengElsevierEBioMedicine2352-39642025-09-0111910589710.1016/j.ebiom.2025.105897Prophylactic protection from lethal henipavirus disease mediated by Nipah-derived defective interfering particles is influenced by challenge virus strain and viral speciesResearch in contextStephen R. Welch0Jessica R. Spengler1Jessica R. Harmon2JoAnn D. Coleman-McCray3Sarah C. Genzer4Katherine A. Davies5Teresa E. Sorvillo6Florine E.M. Scholte7Sergio E. Rodriguez8Joel M. Montgomery9Stuart T. Nichol10Christina F. Spiropoulou11Viral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; Corresponding author.Viral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA 30333, USAViral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA 30333, USAViral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA 30333, USAViral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA 30333, USAViral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; U.S. Department of Agriculture, Agricultural Research Service, Zoonotic and Emerging Disease Research Unit, National Bio and Agro-Defense Facility, Manhattan, KS 66506, USACDC Foundation Assigned to Viral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA 30333, USAViral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA 30333, USAViral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA 30333, USAViral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA 30333, USAViral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA 30333, USAViral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; Corresponding author.Summary: Background: Henipaviruses, including Nipah and Hendra viruses, are zoonotic pathogens that can cause severe respiratory and neurological diseases with high mortality rates in humans. Due to the severity of the disease, the high pandemic potential of these viruses, and the lack of approved treatments, the development of safe and effective medical countermeasures against henipaviruses is a critical priority. Methods: Here, we evaluate treatment efficacy of defective interfering particles (DIPs)—naturally occurring virus-like particles that lack substantial portions of the viral genome—against henipaviruses in the Syrian hamster model of disease. Findings: Prophylactic DIP treatment markedly reduced clinical signs and lethality in Syrian hamsters. Single or repeated pre-exposure regimens, starting up to 3 days before challenge, provided protection, while post-exposure treatment was ineffective. DIPs derived from NiV strain Malaysia were most effective against NiV Malaysia but also provided strong protection against the closely related NiV Bangladesh with certain regimens. However, these DIPs offered minimal or no protection against lethality from the more distantly related Hendra virus. Interpretation: Our data indicate efficacy of DIPs as a pre-exposure prophylactic for henipavirus infection and support a direct mechanism of viral inhibition. Funding: This work was partially supported by the DARPA INTERfering and Co-Evolving Prevention and Therapy (INTERCEPT) program (DARPA-BAA-16-35), CDC Emerging Infectious Disease Research Core Funds, an appointment to the Research Participation Program at the Centers for Disease Control and Prevention (CDC) administered by the Oak Ridge Institute for Science and Education through an interagency agreement between the U.S. Department of Energy and CDC (K.A.D., S.E.R.), and by NIAID 1R01AI151006 (T.E.S).http://www.sciencedirect.com/science/article/pii/S235239642500341XNipah virusHendra virusHenipavirusViral zoonosesDefective interfering virusesMesocricetus |
| spellingShingle | Stephen R. Welch Jessica R. Spengler Jessica R. Harmon JoAnn D. Coleman-McCray Sarah C. Genzer Katherine A. Davies Teresa E. Sorvillo Florine E.M. Scholte Sergio E. Rodriguez Joel M. Montgomery Stuart T. Nichol Christina F. Spiropoulou Prophylactic protection from lethal henipavirus disease mediated by Nipah-derived defective interfering particles is influenced by challenge virus strain and viral speciesResearch in context EBioMedicine Nipah virus Hendra virus Henipavirus Viral zoonoses Defective interfering viruses Mesocricetus |
| title | Prophylactic protection from lethal henipavirus disease mediated by Nipah-derived defective interfering particles is influenced by challenge virus strain and viral speciesResearch in context |
| title_full | Prophylactic protection from lethal henipavirus disease mediated by Nipah-derived defective interfering particles is influenced by challenge virus strain and viral speciesResearch in context |
| title_fullStr | Prophylactic protection from lethal henipavirus disease mediated by Nipah-derived defective interfering particles is influenced by challenge virus strain and viral speciesResearch in context |
| title_full_unstemmed | Prophylactic protection from lethal henipavirus disease mediated by Nipah-derived defective interfering particles is influenced by challenge virus strain and viral speciesResearch in context |
| title_short | Prophylactic protection from lethal henipavirus disease mediated by Nipah-derived defective interfering particles is influenced by challenge virus strain and viral speciesResearch in context |
| title_sort | prophylactic protection from lethal henipavirus disease mediated by nipah derived defective interfering particles is influenced by challenge virus strain and viral speciesresearch in context |
| topic | Nipah virus Hendra virus Henipavirus Viral zoonoses Defective interfering viruses Mesocricetus |
| url | http://www.sciencedirect.com/science/article/pii/S235239642500341X |
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