An Integrated Strategy of UHPLC-ESI-MS/MS Combined with Bioactivity-Based Molecular Networking for Identification of Antitumoral Withanolides from Athenaea fasciculata (Vell.) I.M.C. Rodrigues & Stehmann

一种结合 UHPLC-ESI-MS/MS 与基于生物活性的分子网络的综合策略,用于鉴定来自 Athenaea fasciculata (Vell.) 的抗肿瘤 Withanolides IMC Rodrigues & Stehmann

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作者:André Mesquita Marques, Lavinia de Carvalho Brito, Simony Carvalho Mendonça, Brendo Araujo Gomes, Flávia da Cunha Camillo, Gustavo Werneck de Souza E Silva, André Luiz Franco Sampaio, Suzana Guimarães Leitão, Maria Raquel Figueiredo

Background

Athenaea fasciculata, a Brazilian native species from the Solanaceae family, is recognized as a promising source of bioactive withanolides, particularly Aurelianolide A and B, which exhibit significant antitumoral activities. Despite its potential, research on the chemical constituents of this species remains limited. This study aimed to dereplicate extracts and partitions of A. fasciculata to streamline the discovery of bioactive withanolides.

Conclusions

This research underscores the therapeutic potential of A. fasciculata and highlights the effectiveness of integrating advanced analytical methods in drug discovery, paving the way for further exploration of its bioactive compounds.

Methods

Using ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS), various extracts-including n-hexane, methanol, and ethanol-were analyzed, and their mass spectrometry data were processed through the GNPS platform for the generation of molecular networking. The

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