Plant extracts modulate cellular stress to inhibit replication of mouse Coronavirus MHV-A59
© 2023 The Authors..
The Covid-19 infection outbreak led to a global epidemic, and although several vaccines have been developed, the appearance of mutations has allowed the virus to evade the immune response. Added to this is the existing risk of the appearance of new emerging viruses. Therefore, it is necessary to explore novel antiviral therapies. Here, we investigate the potential in vitro of plant extracts to modulate cellular stress and inhibit murine hepatitis virus (MHV)-A59 replication. L929 cells were treated with P2Et (Caesalpinia spinosa) and Anamu SC (Petiveria alliacea) plant extracts during infection and virus production, ROS (reactive oxygen species), UPR (unfolded protein response), and autophagy were assessed. P2Et inhibited virus replication and attenuated both ROS production and UPR activation induced during infection. In contrast, the sustained presence of Anamu SC during viral adsorption and replication was required to inhibit viral infection, tending to induce pro-oxidant effects, and increasing UPR gene expression. Notably, the loss of the PERK protein resulted in a slight decrease in virus yield, suggesting a potential involvement of this UPR pathway during replication. Intriguingly, both extracts either maintained or increased the calreticulin surface exposure induced during infection. In conclusion, our findings highlight the development of antiviral natural plant extracts that differentially modulate cellular stress.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:10 |
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| Enthalten in: |
Heliyon - 10(2024), 1 vom: 15. Jan., Seite e23403 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Prieto, Karol [VerfasserIn] |
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| Links: |
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| Themen: |
Antiviral activity |
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| Anmerkungen: |
Date Revised 05.01.2024 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.heliyon.2023.e23403 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM366604759 |
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| 245 | 1 | 0 | |a Plant extracts modulate cellular stress to inhibit replication of mouse Coronavirus MHV-A59 |
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| 500 | |a published: Electronic-eCollection | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2023 The Authors. | ||
| 520 | |a The Covid-19 infection outbreak led to a global epidemic, and although several vaccines have been developed, the appearance of mutations has allowed the virus to evade the immune response. Added to this is the existing risk of the appearance of new emerging viruses. Therefore, it is necessary to explore novel antiviral therapies. Here, we investigate the potential in vitro of plant extracts to modulate cellular stress and inhibit murine hepatitis virus (MHV)-A59 replication. L929 cells were treated with P2Et (Caesalpinia spinosa) and Anamu SC (Petiveria alliacea) plant extracts during infection and virus production, ROS (reactive oxygen species), UPR (unfolded protein response), and autophagy were assessed. P2Et inhibited virus replication and attenuated both ROS production and UPR activation induced during infection. In contrast, the sustained presence of Anamu SC during viral adsorption and replication was required to inhibit viral infection, tending to induce pro-oxidant effects, and increasing UPR gene expression. Notably, the loss of the PERK protein resulted in a slight decrease in virus yield, suggesting a potential involvement of this UPR pathway during replication. Intriguingly, both extracts either maintained or increased the calreticulin surface exposure induced during infection. In conclusion, our findings highlight the development of antiviral natural plant extracts that differentially modulate cellular stress | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Antiviral activity | |
| 650 | 4 | |a Autophagy | |
| 650 | 4 | |a Calreticulin | |
| 650 | 4 | |a Coronavirus | |
| 650 | 4 | |a Endoplasmic reticulum stress | |
| 650 | 4 | |a Natural products | |
| 700 | 1 | |a Arévalo, Cindy |e verfasserin |4 aut | |
| 700 | 1 | |a Lasso, Paola |e verfasserin |4 aut | |
| 700 | 1 | |a Carlosama, Carolina |e verfasserin |4 aut | |
| 700 | 1 | |a Urueña, Claudia |e verfasserin |4 aut | |
| 700 | 1 | |a Fiorentino, Susana |e verfasserin |4 aut | |
| 700 | 1 | |a Barreto, Alfonso |e verfasserin |4 aut | |
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