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- Title
LCMS-DNP based dereplication of Araucaria cunninghamii Mudie gum-resin: identification of new cytotoxic labdane diterpene.
- Authors
Sahu, Bharat; Bhardwaj, Nivedita; Chatterjee, Essha; Dey, Biswajit; Tripathi, Nancy; Goel, Bharat; Kushwaha, Manoj; Kumar, Brijesh; Singh, Bikarma; Guru, Santosh Kumar; Jain, Shreyans K.
- Abstract
As a part of natural defense, plants initiate the secretion of gum containing numerous pharmacologically active essential metabolites. A fraction of such gum-resin from Araucaria cunninghamii Mudie, when screened against human cancer cell lines, was found to be active. Further, it was subjected to an LCMS-DNP (Dictionary of Natural Products) based dereplication study followed by a detailed phytochemical investigation to obtain pure metabolites. Also, the gum resin of A. cunninghamii was found to be a rich source of abietanes and labdanes. The LCMS-DNP-based dereplication study identified many known metabolites, which were isolated for the first time from this plant as well as a new labdane diterpenoid (9). The compounds were characterized via spectroscopic techniques, which were subsequently compared with the already existing literature data. The metabolites were screened against seven human cancer cell lines. The anticancer activity was further supported by molecular docking studies.
- Subjects
GUMS & resins; LABDANES; MOLECULAR docking; CELL lines; NATURAL products
- Publication
Natural Product Research, 2022, Vol 36, Issue 24, p6207
- ISSN
1478-6419
- Publication type
Academic Journal
- DOI
10.1080/14786419.2021.2024530