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Xu S, Zhang F, Tao L, Jiang Y, Huang T, Li Y, Hu Z, Yang J, Hao X, Yuan C. Three rare anti-inflammatory sesquiterpene lactones from Magnolia grandiflora. Chin J Nat Med 2024; 22:265-272. [PMID: 38553193 DOI: 10.1016/s1875-5364(24)60601-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Indexed: 04/02/2024]
Abstract
Four new sesquiterpene lactones (SLs) (1-4), along with a biosynthetically related SL (5), have been isolated from the leaves of Magnolia grandiflora. Magrandate A (1) is notable as the first C18 homogemarane type SL, featuring a unique 1,7-dioxaspiro[4.4]nonan-6-one core. Compounds 2 and 3, representing the first instances of chlorine-substituted gemarane-type SL analogs in natural products, were also identified. The structures of these isolates were elucidated through a combination of spectroscopic data analysis, electronic circular dichroism calculations, and X-ray single-crystal diffraction analysis. All isolates demonstrated anti-inflammatory activity in lipopolysaccharide-stimulated RAW264.7 cells. Notably, 3-5 showed a significant inhibitory effect on nitric oxide production, with IC50 values ranging from 0.79 to 4.73 μmol·L-1. Additionally, 4 and 5 exhibited moderate cytotoxic activities against three cancer cell lines, with IC50 values between 3.09 and 11.23 μmol·L-1.
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Affiliation(s)
- Shuangyu Xu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, China; Natural Products Research Center of Guizhou Province, Guiyang 550014, China
| | - Feng Zhang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, China; Natural Products Research Center of Guizhou Province, Guiyang 550014, China
| | - Linlan Tao
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, China; Natural Products Research Center of Guizhou Province, Guiyang 550014, China
| | - Yangming Jiang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, China; Natural Products Research Center of Guizhou Province, Guiyang 550014, China
| | - Tao Huang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, China; Natural Products Research Center of Guizhou Province, Guiyang 550014, China
| | - Yanan Li
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, China; Natural Products Research Center of Guizhou Province, Guiyang 550014, China
| | - Zhanxing Hu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, China; Natural Products Research Center of Guizhou Province, Guiyang 550014, China
| | - Jue Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, China; Natural Products Research Center of Guizhou Province, Guiyang 550014, China
| | - Xiaojiang Hao
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, China; Natural Products Research Center of Guizhou Province, Guiyang 550014, China; State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
| | - Chunmao Yuan
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, China; Natural Products Research Center of Guizhou Province, Guiyang 550014, China.
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2
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Xu S, Tang Y, Li Y, Yang J, Gu W, Hao X, Yuan C. Discovery of diverse sesquiterpenoids from Magnolia grandiflora with cytotoxic activities by inducing cell apoptosis. Bioorg Chem 2023; 139:106707. [PMID: 37421692 DOI: 10.1016/j.bioorg.2023.106707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 06/12/2023] [Accepted: 06/26/2023] [Indexed: 07/10/2023]
Abstract
Phytochemical study of Magnolia grandiflora led to the isolation of 39 sesquiterpenoids, including 15 new compounds (1-15). Compounds 1 and 2 are discovered to be the first 13-norgermacrane type sesquiterpenoids in natural products. Compound 15 is a rare 5,6-seco-guaiane type sesquiterpene and its possible biogenic precursor is presumed to be compound 20. Subsequent structural modification for compound 28 led to 21 derivatives, among which 15 derivatives were new compounds. All compounds were tested for the inhibitory effects on three tumor cell lines, and 17 compounds were active with the IC50 values ranging from 1.91 ± 0.39 μM to 12.29 ± 1.68 μM. The structure-activity relationships implied that an α, β-unsaturated lactone group was an important active group for the cytotoxicity. Two most active compounds (19 and 29) with low toxicity on normal human liver cell line were selected for further mechanism study. Compound 29 could induce apoptosis on Colo320DM cells through influencing the key apoptotic related proteins, such as PARP, Cleaved PARP, cleaved Caspase-3, and pro-Caspase 3. In addition, compound 19 with the best cytotoxic activity on HEL cells also could induce the apoptosis in dose- and time-dependent manners. In summary, our investigation implied that compounds 19 and 29 are two new potential anti-cancer candidates for ongoing study in the future.
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Affiliation(s)
- Shuangyu Xu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Yunyan Tang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Yanan Li
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Jue Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Wei Gu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Xiaojiang Hao
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China; State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China.
| | - Chunmao Yuan
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China; School of Pharmacuetical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China; Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China.
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3
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Du NN, Bai M, Zhang X, Zhou L, Huang XX, Song SJ. Coumarins from Sarcandra glabra (Thunb.) Nakai and Acetylcholinesterase Inhibiting Activity. Chem Biodivers 2022; 19:e202200558. [PMID: 36036517 DOI: 10.1002/cbdv.202200558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 08/29/2022] [Indexed: 11/08/2022]
Abstract
Nine coumarins including a pair of new enantiomers ( 1a / 1b ) and seven known compounds ( 2-8 ) were isolated from Sarcandra glabra (Thunb.) Nakai. Among them, compounds 1a and 1b were naturally occurring coumarin-phenylpropanoid conjugate enantiomers. Their structures were identified by NMR and ECD calculations. Compounds 1-8 were tested for acetylcholinesterase (AchE) inhibiting activity. The results of the enzymology experiment showed that compound 3 demonstrated obvious AchE inhibitory activity which showed an IC 50 value of 1.982 ± 0.003 μ M, and the binding sites were predicted by molecular docking.
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Affiliation(s)
- Ning-Ning Du
- Shenyang Pharmaceutical University, School of Traditional Chinese Materia Medica, wenhua road, No 103, Shenyang, CHINA
| | - Ming Bai
- Shenyang Pharmaceutical University, School of Traditional Chinese Materia Medica, wenhua road, No 103, Shenyang, CHINA
| | - Xin Zhang
- Shenyang Pharmaceutical University, School of Traditional Chinese Materia Medica, wenhua road, No 103, Shenyang, CHINA
| | - Le Zhou
- Shenyang Pharmaceutical University, School of Traditional Chinese Materia Medica, wenhua road, No 103, Shenyang, CHINA
| | - Xiao-Xiao Huang
- Shenyang Pharmaceutical University, School of Traditional Chinese Materia Medica, wenhua road, No 103, Shenyang, CHINA
| | - Shao-Jiang Song
- Shenyang Pharmaceutical University, School of Traditional Chinese Materia Medica, wenhua road, No 103, 110016, Shenyang, CHINA
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Han R, Yu Y, Zhao K, Wei J, Hui Y, Gao JM. Lignans from Eucommia ulmoides Oliver leaves exhibit neuroprotective effects via activation of the PI3K/Akt/GSK-3β/Nrf2 signaling pathways in H 2O 2-treated PC-12 cells. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 101:154124. [PMID: 35487038 DOI: 10.1016/j.phymed.2022.154124] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 04/08/2022] [Accepted: 04/17/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Neuronal apoptosis and oxidative stress have the most crucial influence on neurodegenerative diseases, including Parkinson's disease. Rat adrenal pheochromocytoma cells (PC-12) induced by H2O2 are one of the primary in vitro models of Parkinson's disease (PD) . Previous studies have found that E ulmoides leaf extract exerts good neuroprotective activity and has the potential to treat neurodegenerative diseases. However, the molecular pathways involved in the neuroprotective effects of its primary leaf component, lignans, have not yet been well elucidated yet. PURPOSE This study aimed to evaluate the neuroprotective effects of lignans in E. ulmoides leaves and to explore the underlying mechanism. METHODS Cell viability was measured using the CCK-8 assay. Apoptosis was assessed by calcein/PI staining. The release levels of ROS and LDH were assessed using a commercial assay kit. The enzyme activities of SOD and GPx were measured using kits. The establishment of the compound-target-pathway-disease network was performed using a database and computer software. Antioxidant proteins (HO-1, NQO-1, and Cat) and related regulatory proteins (Nrf2, GSK-3β, p-GSK 3β (Ser 9), Akt, p-Akt (Tyr326), PI3K) were detected by western blotting. Apoptosis in the zebrafish head was assessed using acridine orange (AO) staining. RESULTS In the present study, 12 lignans were isolated and characterized from E. ulmoides leaves, including a new compound, (-)-7‑epi-pinoresinol mr1 (1). Compounds 1-12 exerted neuroprotective effects in H2O2-treated PC-12 cells by increasing cell viability, improving the enzyme activity of SOD and GPx, and reducing levels of ROS and LDH. Compared to the positive control group (25 μM hesperetin), cell viability in response to 25 μM compound 1 (78.0 ± 0.8%) was highest, but its relative percent LDH release (20.1 ± 2.5%) was the lowest; 25 μM compound 4 resulted in the lowest ROS release levels (101.7 ± 2.6%) and highest SOD enzyme activity (35.9 ± 4.2 U/mg), and the GPx enzyme activity of 25 μM compound 1 was strongest (197.6 ± 0.6 U/mg). Next, the potential targets (PI3K, GSK-3β) of the test compounds' antioxidant activity were identified using pharmacological network analysis. Using DAVID software for pharmacological network analysis, potential targets (PI3K, GSK-3β, and SOD2) of 12 lignans were identified. Based on the initial screening results, biological experiments confirmed that diepoxylignans 1, 2, and 4 exerted significant neuroprotection by regulating the PI3K/AKT/GSK-3β/Nrf2 signaling pathways, increasing protein expression of HO-1, NQO-1, and CAT, and enhancing the antioxidant enzyme activity of SOD and GPx. CONCLUSION Our experiments first propose that the diepoxylignans from E. ulmoides leaves exert neuroprotective effects via activation of the PI3K/Akt/GSK-3β/Nrf2 signaling pathway. These findings further indicate that lignans could be the primary components of E. ulmoides Oliver as agents for the prevention and treatment of neurodegenerative diseases. Collectively, Eucommia ulmoides leaves with important research value may be a potential candidate for traditional Chinese medicine for treating oxidative stress-related neurodegenerative diseases.
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Affiliation(s)
- Rui Han
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, People's Republic of China
| | - Yao Yu
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, People's Republic of China
| | - Kanghong Zhao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, People's Republic of China
| | - Jing Wei
- College of Biology Pharmacy & Food Engineering, Shangluo University, Shangluo, Shaanxi 726000, People's Republic of China
| | - Yuhu Hui
- Shaanxi Jiahe Pharmaceutical Co., Ltd. No. 7 Binhe Road, Yangling, Shaanxi 712100, People's Republic of China.
| | - Jin-Ming Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, People's Republic of China.
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Wu JT, Algradi AM, Liu Y, Huo JH, Li XM, Yang BY, Wang WM. Two new terpenoids with anti-inflammatory activity from the fruits of Arenga pinnata (Wurmb) Merr. Nat Prod Res 2022; 36:5753-5761. [DOI: 10.1080/14786419.2021.2023869] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Jia-Tong Wu
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Harbin, China
| | - Adnan Mohammed Algradi
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Harbin, China
| | - Yan Liu
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Harbin, China
| | - Jin-Hai Huo
- Institute of Chinese Materia Medica, Heilongjiang Academy of Chinese Medicine Sciences, Harbin, China
| | - Xiao-Mao Li
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Harbin, China
| | - Bing-You Yang
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Harbin, China
| | - Wei-Ming Wang
- Institute of Chinese Materia Medica, Heilongjiang Academy of Chinese Medicine Sciences, Harbin, China
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6
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Shen Y, Hao X. Natural product sciences: an integrative approach to the innovations of plant natural products. SCIENCE CHINA-LIFE SCIENCES 2020; 63:1634-1650. [PMID: 32955660 PMCID: PMC7504874 DOI: 10.1007/s11427-020-1799-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 08/11/2020] [Indexed: 01/24/2023]
Abstract
The study on plant natural products not only helps us understand that their structural diversity is the inevitable result of plant species diversity, but also helps us understand certain rules and unity of the inevitable connection between the two. The diversity and complexity of chemical structures of many natural products are beyond imagination before we elucidated their structures. The question that follows is what is the biological significance of these natural products. Intrigued by the relationship between plant resources, natural products and biological functions, the Hao laboratory has taken an integrative approach that employs tools and knowledge from multi-disciplines, including natural product chemistry, chemical ecology and chemical biology, to unveil the effects of plant natural products on plant resistance to diseases, and environmental acclimations. Collaborating with cell biologists, the research has resulted in discovery of new mechanisms of cellular signaling and lead compounds.
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Affiliation(s)
- Yuemao Shen
- Key Laboratory of Chemical Biology of Natural Products, School of Pharmaceutical Sciences, Shandong University, Jinan, 250012, China
| | - Xiaojiang Hao
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, China.
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Liu T, Liang Q, Zhang XM, Su XM, Qin JC, Li GQ, Xu WH. Chemical constituents from Euphorbia stracheyi Boiss. BIOCHEM SYST ECOL 2019. [DOI: 10.1016/j.bse.2019.04.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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8
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Xie ZQ, Ding LF, Wang DS, Nie W, Liu JX, Qin J, Song LD, Wu XD, Zhao QS. Sesquiterpenes from the Leaves of Magnolia delavayi Franch. and Their Cytotoxic Activities. Chem Biodivers 2019; 16:e1900013. [PMID: 30811806 DOI: 10.1002/cbdv.201900013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 02/21/2019] [Indexed: 11/11/2022]
Abstract
Thirteen sesquiterpenes including eight new ones, magnodelavins A-H (1-8), were obtained from the 95 % ethanolic extract of the leaves of Magnolia delavayi Franch. The structures of the new compounds were determined by exhaustive 1 H-, 13 C-, 2D-NMR, UV, IR, and HR-ESI-MS data, as well as X-ray crystallographic analysis. Compounds 9 and 10 showed potent cytotoxic activities against HL-60, A-549, SMMC-7721, MCF-7, and SW480 human cancer cell lines in vitro using MTS assay.
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Affiliation(s)
- Zhang-Qiao Xie
- School of Pharmaceutical Science & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming, 650500, P. R. China.,State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, P. R. China
| | - Lin-Fen Ding
- School of Pharmaceutical Science & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming, 650500, P. R. China
| | - De-Sheng Wang
- School of Pharmaceutical Science & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming, 650500, P. R. China.,State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, P. R. China
| | - Wei Nie
- School of Pharmaceutical Science & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming, 650500, P. R. China.,State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, P. R. China
| | - Jiang-Xin Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, P. R. China
| | - Jing Qin
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, P. R. China
| | - Liu-Dong Song
- School of Pharmaceutical Science & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming, 650500, P. R. China
| | - Xing-De Wu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, P. R. China
| | - Qin-Shi Zhao
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, P. R. China
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9
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Ding LF, Su J, Pan ZH, Zhang ZJ, Li XN, Song LD, Wu XD, Zhao QS. Cytotoxic sesquiterpenoids from the leaves of Magnolia grandiflora. PHYTOCHEMISTRY 2018; 155:182-190. [PMID: 30145456 DOI: 10.1016/j.phytochem.2018.08.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 08/02/2018] [Accepted: 08/12/2018] [Indexed: 06/08/2023]
Abstract
Nine previously undescribed sesquiterpenoids, named magnograndins A-I, as well as fourteen known ones, were obtained from the 70% acetone extract of the leaves of Magnolia grandiflora. Their structures were ascertained based on the spectroscopic evidences. The assignment of the relative configuration of magnograndin A was further confirmed by single-crystal X-ray diffraction analysis. 1β,10α-Epoxyparthenolide, parthenolide, and micheliolide exhibited potent cytotoxic activity against MDA-MB-468, AGS, HCT116, Hela, and MDA-MB-231 human cancer cell lines with IC50 values ranging from 1.76 to 16.11 μM. 1β,10α-Epoxyparthenolide and micheliolide potently inhibited NF-κB transcriptional activity with IC50 of 13.92 and 8.95 μM, respectively. The expression levels of NF-κB downstream protein p65 and XIAP were clearly down-regulated in 1β,10α-epoxyparthenolide and micheliolide treated cells, which demonstrated the inhibition of NF-κB signaling pathway.
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Affiliation(s)
- Lin-Fen Ding
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; School of Pharmaceutical Science & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, China
| | - Jia Su
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Zheng-Hong Pan
- Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guilin 541006, China
| | - Zhi-Jun Zhang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Xiao-Nian Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Liu-Dong Song
- School of Pharmaceutical Science & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, China
| | - Xing-De Wu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
| | - Qin-Shi Zhao
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
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10
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Zhang XN, Bai M, Cheng ZY, Yu ZG, Huang XX. Cytotoxic lignans from the barks of Juglans mandshurica. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2018; 20:494-499. [PMID: 28948829 DOI: 10.1080/10286020.2017.1374256] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2017] [Accepted: 08/28/2017] [Indexed: 06/07/2023]
Abstract
Phytochemical investigation of the barks of Juglans mandshurica Maxim led to the isolation, purification, and identification of one new lignan named Juglansol A (1), along with nine known compounds (2-10). Their structures were determined by the results of UV, IR, CD, HRESIMS, 1D, and 2D NMR spectroscopic analysis. Compounds 1-10 were evaluated for their cytotoxicities against A549, HepG2, Hep3B, Bcap-37, and MCF-7 cell lines. The results showed that compound 2 possessed stronger cytotoxicities against the tested tumor cell lines compared with positive control 5-fluorouracil.
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Affiliation(s)
- Xiao-Ning Zhang
- a Department of Pharmaceutical Analysis, School of Pharmacy , Shenyang Pharmaceutical University , Shenyang 110016 , China
- b Department of Antibiotics , Heilongjiang Province Food and Drug Inspection Testing Institute , Harbin 150080 , China
| | - Ming Bai
- b Department of Antibiotics , Heilongjiang Province Food and Drug Inspection Testing Institute , Harbin 150080 , China
- c Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China
- d School of Traditional Chinese Materia Medica , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Zhuo-Yang Cheng
- c Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China
- d School of Traditional Chinese Materia Medica , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Zhi-Guo Yu
- a Department of Pharmaceutical Analysis, School of Pharmacy , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Xiao-Xiao Huang
- c Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China
- d School of Traditional Chinese Materia Medica , Shenyang Pharmaceutical University , Shenyang 110016 , China
- e Chinese People's Liberation Army 210 Hospital , Dalian 116021 , China
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11
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Avonto C, Chittiboyina AG, Sadrieh N, Vukmanovic S, Khan IA. In chemico skin sensitization risk assessment of botanical ingredients. J Appl Toxicol 2018; 38:1047-1053. [DOI: 10.1002/jat.3614] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 01/26/2018] [Accepted: 01/27/2018] [Indexed: 11/09/2022]
Affiliation(s)
- Cristina Avonto
- National Center for Natural Products Research, School of Pharmacy; The University of Mississippi; University MS 38677 USA
| | - Amar G. Chittiboyina
- National Center for Natural Products Research, School of Pharmacy; The University of Mississippi; University MS 38677 USA
| | - Nakissa Sadrieh
- Office of Cosmetics and Colors; Center for Food Safety and Applied Nutrition, Food and Drug Administration; 4300 River Road, College Park MD 20740 USA
| | - Stanislav Vukmanovic
- Office of Cosmetics and Colors; Center for Food Safety and Applied Nutrition, Food and Drug Administration; 4300 River Road, College Park MD 20740 USA
| | - Ikhlas A. Khan
- National Center for Natural Products Research, School of Pharmacy; The University of Mississippi; University MS 38677 USA
- Division of Pharmacognosy, Department of BioMolecular Sciences, School of Pharmacy; The University of Mississippi; University MS 38677 USA
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Yao GD, Cheng ZY, Shang XY, Gao PY, Huang XX, Song SJ. Coumarins from the bark of Juglans mandshurica exhibited anti-hepatoma activities via inducing apoptosis. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2017; 19:1134-1142. [PMID: 28276763 DOI: 10.1080/10286020.2017.1292256] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 02/03/2017] [Indexed: 06/06/2023]
Abstract
Hepatocellular carcinoma (HCC), the most common type of liver cancer, has high morbidity and mortality rates, and its prognosis is poor. The treatment options of HCC are limited by the lack of effective chemotherapy. Therefore, looking for effective drugs with little toxicity is very urgent. The aim of this study was to search for small molecule targeting on liver cancer from Juglans mandshurica, which has been used to treat cancers for a long time in China. Under the guide of anti-hepatoma activity, a new coumarin (1), together with eight reported analogs (2‒9), was isolated from the 75% EtOH extract. The structures of these compounds were determined by 1D and 2D NMR experiments. The absolute configuration of 1 was established by comparison of experimental and calculated electronic circular dichroism (ECD) spectra. The in vitro cytotoxicity experiments on two liver cancer cell lines (HepG2 and Hep3B) showed that compounds 2 and 5 had moderate antitumor activities on both cell lines. And further studies of antitumor mechanisms by the observation of morphological changes and Western blot analyses exhibited that induction of apoptosis might be a possible way that inhibited cell growth.
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Affiliation(s)
- Guo-Dong Yao
- a School of Traditional Chinese Materia Medica , Shenyang Pharmaceutical University , Shenyang 110016 , China
- b Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Zhuo-Yang Cheng
- a School of Traditional Chinese Materia Medica , Shenyang Pharmaceutical University , Shenyang 110016 , China
- b Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Xin-Yue Shang
- a School of Traditional Chinese Materia Medica , Shenyang Pharmaceutical University , Shenyang 110016 , China
- b Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Pin-Yi Gao
- c College of Pharmaceutical and Biological Engineering , Shenyang University of Chemical Technology , Shenyang 110142 , China
| | - Xiao-Xiao Huang
- a School of Traditional Chinese Materia Medica , Shenyang Pharmaceutical University , Shenyang 110016 , China
- b Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Shao-Jiang Song
- a School of Traditional Chinese Materia Medica , Shenyang Pharmaceutical University , Shenyang 110016 , China
- b Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China
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A new γ-alkylated-γ-butyrolactone from the roots of Solanum melongena. Chin J Nat Med 2015; 13:699-703. [DOI: 10.1016/s1875-5364(15)30068-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Indexed: 11/17/2022]
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Liu X, Luo J, Kong L. Phenylethyl Cinnamides as Potential α-Glucosidase Inhibitors from the Roots of Solanum Melongena. Nat Prod Commun 2011. [DOI: 10.1177/1934578x1100600623] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Bioassay-guided fractionation against α-glucosidase resulted in isolation and identification of six phenolic compounds (1–6) from the 70% EtOH extract of the roots of Solanum melongena L. (Solanaceae). Of these, three phenylethyl cinnamides, N-trans-feruloyl tyramine (1), N-trans-p-coumaroyl tyramine (2) and N-cis-p-coumaroyl tyramine (3) possessed inhibitory activity against α-glucosidase with IC50 values of 500.6, 5.3 and 46.3 μM, respectively. Mechanism analysis revealed these phenylethyl cinnamides were non-competitive inhibitors. This is the first study of the α-glucosidase inhibitory activities of the roots of S. melongena, and this preliminary observation suggested potential medicinal use of this herb.
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Affiliation(s)
- Xuchun Liu
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tongjia Xiang, Nanjing 210009, People's Republic of China
| | - Jianguang Luo
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tongjia Xiang, Nanjing 210009, People's Republic of China
| | - Lingyi Kong
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tongjia Xiang, Nanjing 210009, People's Republic of China
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Cytotoxic germacranolide sesquiterpenes from the bark of Magnolia kobus. Arch Pharm Res 2010; 33:71-4. [PMID: 20191346 DOI: 10.1007/s12272-010-2227-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2009] [Revised: 10/13/2009] [Accepted: 10/14/2009] [Indexed: 10/19/2022]
Abstract
A new (3) and three known germacrane-type sesquiterpenoids were isolated from the chloroform-soluble fraction of the methanolic extract of the bark of Magnolia kobus (Magnoliaceae) through repeated silica gel and Sephadex LH-20 column chromatography. Their chemical structures were elucidated as costunolide (1), parthenolide (2), isobisparthenolidine (3), and bisparthenolidine (4) by spectroscopic analysis. Compounds 1-4 exhibited cytotoxicity against human A549, SK-OV-3, SK-MEL-2, and HCT15 tumor cells.
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Hong L, Li G, Zhou W, Wang X, Zhang K. Screening and isolation of a nematicidal sesquiterpene from Magnolia grandiflora L. PEST MANAGEMENT SCIENCE 2007; 63:301-5. [PMID: 17304632 DOI: 10.1002/ps.1337] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
The ethanolic extracts from 30 plant species were tested for their nematicidal activity against nematodes Bursaphelenchus xylophilus (Steiner & Buhrer) Nickle and Panagrellus redivivus (L.) Goodey. The leaf extract of Magnolia grandiflora L. exhibited the strongest nematicidal activity against both nematodes, causing 73 and 100% mortality respectively within 48 h at 5 mg mL(-1). A new nematicidal sesquiterpene was obtained from the leaves of M. grandiflora. The compound was determined to be 4,5-epoxy-1(10)E,11(13)-germacradien-12,6-olide, based on spectroscopic methods including 2D NMR techniques. The median lethal concentrations (LC50) of the compound against B. xylophilus and P. redivivus were 71 and 46 mg L(-1) respectively at 48 h. This is the first report of Magnoliaceae species with nematicidal activity.
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Affiliation(s)
- Linjun Hong
- Laboratory for Conservation and Utilization of Bioresources, Yunnan University, Kunming 650091, PR China
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