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Anti-Inflammatory and cytotoxic potential of new phenanthrenoids from Luzula sylvatica

Abstract : Phenanthrenoids have been widely described, in the Juncaceae family, for their biological properties such as antitumor, anxiolytic, anti-microbial, spasmolytic, and anti-inflammatory activities. The Juncaceae family is known to contain a large variety of phenanthrenoids possessing especially anti-inflammatory and cytotoxic properties. Luzula sylvatica, a Juncaceae species, is widely present in the Auvergne region of France, but has never been studied neither for its phytochemical profile nor for its biological properties. We investigated the phytochemical profile and evaluated the potential anti-inflammatory activities of L. sylvatica aerial parts extracts. A bioassay-guided fractionation was carried out to identify the most active fractions. Nine compounds were isolated, one coumarin 1 and eight phenanthrene derivatives (2-9), including four new compounds (4, 5, 8 and 9), from n-hexane and CH2Cl2, fractions. Their structures were established by HRESIMS, 1D and 2D NMR experiments. The biological properties, especially the anti-inflammatory/antioxidant activities (ROS production) and antiproliferative activity on THP-1, a monocytic leukemia cell line, of each compound, were evaluated. Three phenanthrene derivatives 4, 6, and 7 showed very promising antiproliferative activities.
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https://hal.uca.fr/hal-02933003
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Maël Gainche, Isabelle Ripoche, François Senejoux, Juliette Cholet, Clémence Ogéron, et al.. Anti-Inflammatory and cytotoxic potential of new phenanthrenoids from Luzula sylvatica. Molecules, MDPI, 2020, 25 (10), pp.2372. ⟨10.3390/molecules25102372⟩. ⟨hal-02933003⟩

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