Dereplication and Quantification of Major Compounds of L. Extracts and Assessment of Their Effect on LPS-Activated J774 Macrophages.
(2022) Molecules (Basel, Switzerland) — Vol. 27, n° 3, p. 963 [1-19] (2022)
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- Convolvulus arvensis is used in Pakistani traditional medicine to treat inflammation-related disorders. Its anti-inflammatory potential was evaluated on hexane, dichloromethane, ethyl acetate, methanol, and aqueous extracts of whole plant on pro-inflammatory mediators in LPS-activated murine macrophage J774 cells at the non-cytotoxic concentration of 50 µg/mL. Ethyl acetate (ARE) and methanol (ARM) extracts significantly decreased mRNA levels of IL-6, TNF-α, MCP-1, COX-2, and iNOS. Furthermore, both extracts dose dependently decreased IL-6, TNF-α, and MCP-1 secretion. Forty-five compounds were putatively identified in ARE and ARM by dereplication (using HPLC-UV-HRMS analysis and molecular networking), most of them are reported for the first time in , as for example, nineteen phenolic derivatives. Rutin, kaempferol-3--rutinoside, chlorogenic acid, 3,5-di--caffeoylquinic acid, ---coumaroyl-tyramine, and --feruloyl-tyramine were main constituents identified and quantified by HPLC-PDA in ARE and ARM. Furthermore, chlorogenic acid, tyramine derivatives, and the mixture of the six identified major compounds significantly decreased IL-6 secretion by LPS-activated J774 cells. The activity of ---coumaroyl-tyramine is shown here for the first time. Our results indicate that ARE, ARM and major constituents significantly inhibited the expression of pro-inflammatory mediators, which supports the use of this plant to treat inflammatory diseases.
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Abdul Khaliq, H., Ortiz Aguirre, S. E., Al Houayek, M., Muccioli, G., & Leclercq, J. (2022). Dereplication and Quantification of Major Compounds of L. Extracts and Assessment of Their Effect on LPS-Activated J774 Macrophages. Molecules (Basel, Switzerland), 27(3), 963 [1-19]. https://doi.org/10.3390/molecules27030963 (Original work published 2022)