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    Nineteen secolignans (1-19), including five new ones (1-5), were isolated from the whole plant of Peperomia dindygulensis. Their structures including stereochemistry were determined by spectroscopic methods, in particular NMR and electronic CD (ECD) analysis. All the isolates were evaluated for their inhibitory activities against IFN-γ/STAT1 as well as IL-6/STAT3 signaling pathway by the method of Luciferase assay. Six 2-methene type secolignans (1, 2, 6-9) exhibited significant inhibitory activities against JAK-STAT pathways with the IC50 values both lower than 10μM. Copyright © 2017 Elsevier B.V. All rights reserved.

    Citation

    Ruo-Feng Sun, Chen-Cheng Zhu, Yu Yang, Neng-Jiang Yu. Novel secolignans from Peperomia dindygulensis and their inhibitory activities on JAK-STAT signaling pathways. Fitoterapia. 2017 Oct;122:80-84

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    PMID: 28859930

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