Metabolic Profiling of Inga Species with Antitumor Activity.

Nerilson M Lima, Gagan Preet, Sara R Marqui, Thaís de O R S Falcoski, Geovana Navegante, Christiane P Soares, Teresinha de Jesus A S Andrade, Felipe A La Porta, Harinantenaina Liva R Rakotondraie, Marcel Jaspars, Dulce H S Silva

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This work evaluated the metabolic profiling of Inga species with antitumor potential. In addition, we described the antigenotoxicity of polyphenols isolated from I. laurina and a proteomic approach using HepG2 cells after treatment with these metabolites. The in vitro cytotoxic activity against HepG2, HT-29 and T98G cancer cell lines was investigated. The assessment of genotoxic damage was carried out through the comet assay. The ethanolic extract from I. laurina seeds was subjected to bioassay-guided fractionation and the most active fractions were characterized. One bioactive fraction with high cytotoxicity against HT-29 human colon cancer cells (IC 50 = 4.0 µg mL -1) was found, and it was characterized as a mixture of p-hydroxybenzoic acid and 4-vinyl-phenol. The I. edulis fruit peel (IC 50 = 18.6 µg mL -1) and I. laurina seed (IC 50 = 15.2 µg mL -1) extracts had cytotoxic activity against the cell line T98G, and its chemical composition showed a variety of phenolic acids. The chemical composition of this species indicated a wide variety of aromatic acids, flavonoids, tannins, and carotenoids. The high concentration (ranging from 5% to 30%) of these polyphenols in the bioactive extract may be responsible for the antitumor potential. Regarding the proteomic approach, we detected proteins directly related to the elimination of ROS, DNA repair, expression of tumor proteins, and apoptosis.

Original languageEnglish
Article number4695
Number of pages17
Issue number15
Publication statusPublished - 22 Jul 2022

Bibliographical note

Funding: This research received no external funding.
Acknowledgments: The authors thank Brazilian Research Agencies CNPq, CAPES, and FAPESP, as well as Albrn Care, India.

Data Availability Statement

Not applicable.


  • Fabaceae
  • Flavonoids/chemistry
  • Humans
  • Plant Extracts/chemistry
  • Polyphenols/pharmacology
  • Proteomics


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