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10.1371/journal.pone.0259943

http://scihub22266oqcxt.onion/10.1371/journal.pone.0259943
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34797868!8604354!34797868
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suck abstract from ncbi


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pmid34797868      PLoS+One 2021 ; 16 (11): e0259943
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  • Iota-carrageenan and xylitol inhibit SARS-CoV-2 in Vero cell culture #MMPMID34797868
  • Bansal S; Jonsson CB; Taylor SL; Figueroa JM; Dugour AV; Palacios C; Vega JC
  • PLoS One 2021[]; 16 (11): e0259943 PMID34797868show ga
  • Last year observed a global pandemic caused by SARS-CoV-2 (severe acute respiratory syndrome-coronavirus 2) infection affecting millions of individuals worldwide. There is an urgent unmet need to provide an easily producible and affordable medicine to prevent transmission and provide early treatment for this disease. Since the nasal cavity and the rhinopharynx are the sites of initial replication of SARS-CoV-2, a nasal spray may be an effective option to target SARS-CoV-2 infection. In this study, we tested the antiviral action of three candidate nasal spray formulations against SARS-CoV-2 in vitro. We determined that iota-carrageenan in concentrations as low as 6 mug/mL inhibits SARS-CoV-2 in vitro. The concentrations of iota-carrageenan with activity against SARS-CoV-2 in vitro may be easily achieved through the application of nasal sprays as commonly used in several countries. Recently a double-blind, placebo-controlled study showed that iota-carrageenan in isotonic sodium chloride reduces ca. five times the risk of infection by SARS-CoV-2 in health care personnel. Further, xylitol at a concentration of 50 mg/mL (ca. 329 mM) was found to exert some antiviral action, though this preliminary finding needs further confirmation.
  • |Animals[MESH]
  • |Antiviral Agents/pharmacology[MESH]
  • |Carrageenan/*pharmacology[MESH]
  • |Chlorocebus aethiops[MESH]
  • |Nasal Sprays[MESH]
  • |SARS-CoV-2/*drug effects[MESH]
  • |Vero Cells[MESH]


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