Isolation of cytotoxic cycloartane triterpenoids from <i>Dysoxylum malabaricum</i>

Bhardwaj, Nivedita; Sharma, Vivek Kumar; Tripathi, Nancy; Pimpre, Kavita; Sonti, Rajesh; Ravikanth, G.; Koch, Biplob; Jain, Shreyans K.

doi:10.1039/d3nj04057g

New J. Chem.

2024

DOI: 10.1039/d3nj04057g

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Isolation of cytotoxic cycloartane triterpenoids from Dysoxylum malabaricum

Nivedita Bhardwaj,

Vivek Kumar Sharma,

Nancy Tripathi

et al.

Abstract: New cycloartane triterpenoids (2-4) have been recently discovered in the bark of Dysoxylum malabaricum. The extraction process involved the utilization of a cytotoxic dichloromethane-methanol extract, which underwent meticulous bioassay-guided fractionation...

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Cited by 2 publications

References 19 publications

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New ring-A modified cycloartane triterpenoids from Dysoxylum malabaricum bark: Isolation, structure elucidation and their cytotoxicity

Bhardwaj,

Gupta,

Tripathi

et al. 2024

Steroids

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New ring-A modified cycloartane triterpenoids from Dysoxylum malabaricum bark: Isolation, structure elucidation and their cytotoxicity

Bhardwaj,

Gupta,

Tripathi

et al. 2024

Steroids

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Exploring the cytotoxic potential of biflavones of Araucaria cunninghamii: Precise identification combined by LC‐HRMS‐metabolomics and database mining, targeted isolation, network pharmacology, in vitro cytotoxicity, and docking studies

Sahu,

Chakrabarty,

Saini

et al. 2024

Chem Biol Drug Des

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The leaves of Araucaria cunninghamii are known to be nonedible and toxic. Previous studies have identified biflavones in various Araucaria species. This study aimed to investigate the in vitro cytotoxicity of the isolated compounds from Araucaria cunninghamii after metabolomics and network pharmacological analysis. Methanol extract of Araucaria cunninghamii leaves was subjected to bioassay‐guided fractionation. The active fraction was analyzed using LC‐HRMS, through strategic database mining, by comparing the data to the Dictionary of Natural Products to identify 12 biflavones, along with abietic acid, beta‐sitosterol, and phthalate. Eight compounds were screened for network pharmacology study, where in silico ADME analysis, prediction of gene targets, compound‐gene‐pathway network and hierarchical network analysis, protein–protein interaction, KEGG pathway, and Gene Ontology analyses were done, that showed PI3KR1, EGFR, GSK3B, and ABCB1 as the common targets for all the compounds that may act in the gastric cancer pathway. Simultaneously, four biflavones were isolated via chromatography and identified through NMR as dimeric apigenin with varying methoxy substitutions. Cytotoxicity study against the AGS cell line for gastric cancer showed that AC1 biflavone (IC50 90.58 μM) exhibits the highest cytotoxicity and monomeric apigenin (IC50 174.5 μM) the lowest. Besides, the biflavones were docked to the previously identified targets to analyze their binding affinities, and all the ligands were found to bind with energy ≤−7 Kcal/mol.

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Isolation of cytotoxic cycloartane triterpenoids from Dysoxylum malabaricum

Abstract: New cycloartane triterpenoids (2-4) have been recently discovered in the bark of Dysoxylum malabaricum. The extraction process involved the utilization of a cytotoxic dichloromethane-methanol extract, which underwent meticulous bioassay-guided fractionation...

Cited by 2 publications

References 19 publications

New ring-A modified cycloartane triterpenoids from Dysoxylum malabaricum bark: Isolation, structure elucidation and their cytotoxicity

New ring-A modified cycloartane triterpenoids from Dysoxylum malabaricum bark: Isolation, structure elucidation and their cytotoxicity

Exploring the cytotoxic potential of biflavones of Araucaria cunninghamii: Precise identification combined by LC‐HRMS‐metabolomics and database mining, targeted isolation, network pharmacology, in vitro cytotoxicity, and docking studies

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