Effect of near-infrared and blue laser light on vero E6 cells SARS-CoV-2 infection model
© 2022 The Authors. Journal of Biophotonics published by Wiley-VCH GmbH..
Photobiomodulation therapy (PBMT) employing laser light has been emerging as a safe strategy to challenge viruses. In this study the effect of blue and near-infrared (NIR) laser light was assessed in an in vitro model of SARS-CoV-2 infection. PBMT at blue wavelength inhibited viral amplification when the virus was directly irradiated and then transferred to cell culture and when cells already infected were treated. The NIR wavelength resulted less efficacious showing a minor effect on the reduction of the viral load. The cells receiving the irradiated virus or directly irradiated rescued their viability to level comparable to not treated cells. Virion integrity and antigenicity were preserved after blue and NIR irradiation, suggesting that the PBMT antiviral effect was not correlated to viral lipidic envelope disruption. Our results suggested that PBMT can be considered a valid strategy to counteract SARS-CoV-2 infection, at least in vitro.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:16 |
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| Enthalten in: |
Journal of biophotonics - 16(2023), 3 vom: 27. März, Seite e202200203 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zupin, Luisa [VerfasserIn] |
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| Links: |
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| Themen: |
Antiviral |
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| Anmerkungen: |
Date Completed 14.03.2023 Date Revised 05.04.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1002/jbio.202200203 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a © 2022 The Authors. Journal of Biophotonics published by Wiley-VCH GmbH. | ||
| 520 | |a Photobiomodulation therapy (PBMT) employing laser light has been emerging as a safe strategy to challenge viruses. In this study the effect of blue and near-infrared (NIR) laser light was assessed in an in vitro model of SARS-CoV-2 infection. PBMT at blue wavelength inhibited viral amplification when the virus was directly irradiated and then transferred to cell culture and when cells already infected were treated. The NIR wavelength resulted less efficacious showing a minor effect on the reduction of the viral load. The cells receiving the irradiated virus or directly irradiated rescued their viability to level comparable to not treated cells. Virion integrity and antigenicity were preserved after blue and NIR irradiation, suggesting that the PBMT antiviral effect was not correlated to viral lipidic envelope disruption. Our results suggested that PBMT can be considered a valid strategy to counteract SARS-CoV-2 infection, at least in vitro | ||
| 650 | 4 | |a Letter | |
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| 700 | 1 | |a Clemente, Libera |e verfasserin |4 aut | |
| 700 | 1 | |a Fontana, Francesco |e verfasserin |4 aut | |
| 700 | 1 | |a Crovella, Sergio |e verfasserin |4 aut | |
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