151. Anti-inflammatory neolignans from the roots of Magnolia officinalis
- Author
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Hsin Yi Hung, Tian Shung Wu, Shwu Jen Wu, Qiong Gu, Po Chuen Shieh, Hung Cheng Shih, De Yang Shen, E-Jian Lee, Ping Chung Kuo, Tsong-Long Hwang, Yu Ren Liao, and Kuo Hsiung Lee
- Subjects
0301 basic medicine ,Adult ,Stereochemistry ,medicine.drug_class ,Neutrophils ,Clinical Biochemistry ,Pharmaceutical Science ,01 natural sciences ,Biochemistry ,Plant Roots ,Anti-inflammatory ,Lignans ,03 medical and health sciences ,chemistry.chemical_compound ,Structure-Activity Relationship ,Young Adult ,Superoxides ,Drug Discovery ,Ic50 values ,medicine ,Structure–activity relationship ,Humans ,Molecular Biology ,Pancreatic elastase ,biology ,Plant roots ,Dose-Response Relationship, Drug ,Molecular Structure ,Pancreatic Elastase ,010405 organic chemistry ,Superoxide ,Organic Chemistry ,Elastase ,Anti-Inflammatory Agents, Non-Steroidal ,biology.organism_classification ,0104 chemical sciences ,Magnolia officinalis ,030104 developmental biology ,chemistry ,Magnolia ,Molecular Medicine ,Quantum Theory - Abstract
Nine neolignan derivatives (1-9) were characterized from the roots of Magnolia officinalis, and their structures were elucidated based on spectroscopic and physicochemical analyses. Among them, houpulins E (1) and M (9) possess novel homo- and trinor-neolignan skeletons. In addition, 15 known compounds (10-24) were identified by comparison of their spectroscopic and physical data with those reported in the literature. Some of the purified constituents were examined for anti-inflammatory activity and, among the tested compounds, houpulins G (3), I (5), J (6), and 2,2'-dihydroxy-3-methoxy-5,5'-di-(2-propenylbiphenyl) (19) significantly inhibited superoxide anion generation and elastase release with IC50 values ranging from 3.54 to 5.48 μM and 2.16 to 3.39 μM, respectively. Therefore, these neolignan derivatives have tremendous potential to be explored as anti-inflammatory agents.
- Published
- 2015