Antiviral activity of the sea cucumber tegument extract (Pattalus mollis) on human rotavirus A (RVA)

Enrique Garcia-Candela, Carlos Pariona-Velarde, Aarón Mondragón-Martínez, Victor Chumpitaz-Cerrate

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


The antiviral effect against RVA in cell culture was evaluated by using an aqueous extract of Patallus mollis sea cucumber, applying the titration methodology. This technique is used to measures the ability of the extract dilutions to inhibit the cytopathic effect (CPE) of the virus, expressed as percentage of inhibition (IP). The mean extract cytotoxic concentration (CC50) used in the antiviral assay was 27,042.10 μg/mL and the PI of the antiviral activity extract was greater than 99.9% for each concentration. To determine the viral action mode, the cells were previously treated with the extracts in different stages during the viral infection cycle. The result analysis suggests that the extract inhibits 99% of the virus during the absorption and viral inactivation phase. These results show the P. mollis extract has a remarkable antiviral effect against the RVA in cell culture. So that, it is crucial to investigate its action mechanisms.

Original languageEnglish
Pages (from-to)1014-1018
Number of pages5
JournalNatural Product Research
Issue number6
StatePublished - 2021
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2019 Informa UK Limited, trading as Taylor & Francis Group.


  • Antiviral activity
  • Patallus mollis
  • human rotavirus type A (RVA)
  • marine organism
  • sea cucumber


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