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TMT-10plex-based phosphoproteomics of bioactive compounds in A549 cells

ABSTRACT: We conducted a comprehensive screening of bioactive compounds sourced from natural products, specifically targeting those capable of inducing apoptosis while inhibiting tyrosine kinase activity. Our investigation encompassed a diverse range of compounds, including pure compounds, compound mixtures, and peptides, all evaluated within the A549 cell line. To delve into the underlying molecular mechanisms, we employed phosphoproteomics analysis, which enabled us to comprehensively assess the impact of these bioactive compounds on cellular pathways. Through labeling digested proteins with distinct isobaric tags, we meticulously examined the cellular response to each compound. In our experimental design, we included two established chemical drugs, Afatinib and Osimertinib, serving as positive controls. These drugs, both kinase inhibitors utilized in cancer treatment, operate via distinct mechanisms and target different kinases. By comparing the effects of our test compounds with these controls, we aimed to elucidate their potential therapeutic relevance and mechanisms of action. Among the compounds examined were extracts from Phallus indusiatus and Fomes rimosus (Berk.) Cooke, as well as specific compounds like Chamuangone, Cannabigerol (CBG), Cannabidiol (CBD), and NP1-cyclic peptide

INSTRUMENT(S): Q Exactive HF

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Epithelial Cell, Cell Culture

SUBMITTER: Sucheewin Krobthong

LAB HEAD: Sucheewin Krobthong

PROVIDER: PXD050555 | Pride | 2024-03-13

REPOSITORIES: Pride

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