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Meng L, Yu C, Hui J, Jiang N, Wang H, Xie J, Xu L, Liu Y. Three new coumarin derivatives from Maytenus hookeri. Nat Prod Res 2024; 38:365-371. [PMID: 36111662 DOI: 10.1080/14786419.2022.2122963] [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: 05/09/2022] [Accepted: 09/03/2022] [Indexed: 10/14/2022]
Abstract
Three new coumarin derivatives named maytenucoums A-C (1-3), along with six known analogs (4-9), were isolated from the branches of Maytenus hookeri. Their structures were determined by comprehensive spectroscopic data analysis, including NMR and HR-ESIMS. In the preliminary assays, compound 4 showed cytotoxic activity against the A549, SK-Hep1 and HCT116 cells with IC50 values of 29.0, 28.6 and 54.4 μM, respectively.
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Affiliation(s)
- Lingjie Meng
- Guizhou Provincial College-based Key Lab for Tumor Prevention and Treatment with Distinctive Medicines, Zunyi Medical University, Zunyi, China
- Institute of Life Sciences, Zunyi Medical University, Zunyi, China
- College of Basic Medicine, Zunyi Medical University, Zunyi, China
| | - Changyan Yu
- Guizhou Provincial College-based Key Lab for Tumor Prevention and Treatment with Distinctive Medicines, Zunyi Medical University, Zunyi, China
- Institute of Life Sciences, Zunyi Medical University, Zunyi, China
- College of Basic Medicine, Zunyi Medical University, Zunyi, China
| | - Jing Hui
- Guizhou Provincial College-based Key Lab for Tumor Prevention and Treatment with Distinctive Medicines, Zunyi Medical University, Zunyi, China
- Institute of Life Sciences, Zunyi Medical University, Zunyi, China
- College of Basic Medicine, Zunyi Medical University, Zunyi, China
| | - Nian Jiang
- Guizhou Provincial College-based Key Lab for Tumor Prevention and Treatment with Distinctive Medicines, Zunyi Medical University, Zunyi, China
- Institute of Life Sciences, Zunyi Medical University, Zunyi, China
- College of Basic Medicine, Zunyi Medical University, Zunyi, China
| | - Haijuan Wang
- College of Basic Medicine, Zunyi Medical University, Zunyi, China
| | - Jianxun Xie
- Guizhou Provincial College-based Key Lab for Tumor Prevention and Treatment with Distinctive Medicines, Zunyi Medical University, Zunyi, China
| | - Lin Xu
- Institute of Life Sciences, Zunyi Medical University, Zunyi, China
- College of Basic Medicine, Zunyi Medical University, Zunyi, China
| | - Yun Liu
- Guizhou Provincial College-based Key Lab for Tumor Prevention and Treatment with Distinctive Medicines, Zunyi Medical University, Zunyi, China
- Institute of Life Sciences, Zunyi Medical University, Zunyi, China
- College of Basic Medicine, Zunyi Medical University, Zunyi, China
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2
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Cao G, Ning R, Zhao J, Yao J, Chang L, Mu H, Zhang R, Chen Z, Gong F, He S, Jiang M, Zhao W. Dihydro-β-agarofuran-type sesquiterpenoids from the seeds of Tripterygium wilfordii (Thunder God Vine) and evaluation of their anti-osteoclastogenesis and immunosuppressive activities. Bioorg Chem 2023; 141:106886. [PMID: 37778191 DOI: 10.1016/j.bioorg.2023.106886] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 09/11/2023] [Accepted: 09/24/2023] [Indexed: 10/03/2023]
Abstract
Extensive phytochemical investigation of the seeds of Tripterygium wilfordii led to the identification of 54 polyesterified dihydro-β-agarofuran-type sesquiterpenoids, including 27 previously undescribed ones, named Tripwilin I-XXVII (1-27). Comprehensive spectroscopic and single-crystal X-ray diffraction analyses, along with electronic circular dichroism (ECD) calculations were used for the structural elucidation of the new compounds. Biological assay revealed that 37 compounds among the isolates exhibited significant inhibition against osteoclastogenesis induced by receptor activator of nuclear factor-κB ligand (RANKL) at 10 µM. Further investigation indicated that Triptogelin C-3 (54), with the most potent osteoclastogenesis inhibitory activity, regulated the osteoclast marker genes (MMP-9, c-Fos, CTSK, and TRAP) and proteins in a dose-dependent manner in vitro. Besides, celaforin D-1 (28), 1α,6β,15-triacetoxy-8α,9α-dibenzoyloxy-2α-hydroxydihydro-β-agarofuran (34), triptogelin A-2 (37), and chiapen D (49) showed moderate suppressive effects on the proliferation of T and B lymphocytes with IC50 values ranging between 8.1 ± 0.8 and 19.0 ± 0.9 μM.
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Affiliation(s)
- Guangchao Cao
- Natural Product Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Ruonan Ning
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, People's Republic of China
| | - Jie Zhao
- Natural Product Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Jiaying Yao
- Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, People's Republic of China
| | - Linyue Chang
- Natural Product Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Hongyan Mu
- Natural Product Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Rujun Zhang
- Natural Product Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Zhenhua Chen
- Natural Product Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Fengbei Gong
- Natural Product Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Shijun He
- Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, People's Republic of China.
| | - Min Jiang
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, People's Republic of China.
| | - Weimin Zhao
- Natural Product Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.
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3
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Al-Rubaiai F, Al-Shariqi ZZ, Al-Shabibi KS, Husband J, Al-Hattali AM, Goettert M, Laufer S, Baqi Y, Hassan SI, Fatope MO. Isolation and Identification of Phytocompounds from Maytenus dhofarensis and Their Biological Potentials. Molecules 2023; 28:6077. [PMID: 37630328 PMCID: PMC10459021 DOI: 10.3390/molecules28166077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/08/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
Maytenus dhofarensis Sebsebe (Celestraceae) is a naturally growing shrub in Oman. It is not a reputed medicinal plant in Oman, but it is regionally endemic and causes shivering attacks on goats that graze on it. The chemical investigation of the hexane and chloroform extracts of the fruits and stems of M. dhofarensis afforded dihydro-β-agarofuran-type sesquiterpene pyridine alkaloid (1), lupanyl myristoate (2) and lignanolactone (3). Compounds (1-3) are new isolates from M. dhofarensis. The structures of these compounds were assigned through comprehensive IR, NMR, and ESI-MS analyses, and the relative configurations of compounds 1 and 3 were deduced from density function theory (DFT) calculations and NMR experiments. Compound 1 was assayed against the kinase enzyme and showed no inhibition activity for p38 alpha and delta at a 10 µM test concentration. Compound 3 inhibited the 2,2'-diphenyl-1-picrylhydrazyl radical (DPPH) by 69.5%, compared to 70.9% and 78.0% for gallic acid and butylated hydroxyanisole, respectively, which were used as positive controls.
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Affiliation(s)
- Fatma Al-Rubaiai
- Department of Chemistry, College of Science, Sultan Qaboos University, Al Khod, P.O. Box 36, Muscat 123, Oman; (F.A.-R.); (J.H.); (Y.B.)
| | - Zakiya Zahran Al-Shariqi
- Department of Chemistry, College of Science, Sultan Qaboos University, Al Khod, P.O. Box 36, Muscat 123, Oman; (F.A.-R.); (J.H.); (Y.B.)
| | - Khalsa S. Al-Shabibi
- Department of Chemistry, College of Science, Sultan Qaboos University, Al Khod, P.O. Box 36, Muscat 123, Oman; (F.A.-R.); (J.H.); (Y.B.)
| | - John Husband
- Department of Chemistry, College of Science, Sultan Qaboos University, Al Khod, P.O. Box 36, Muscat 123, Oman; (F.A.-R.); (J.H.); (Y.B.)
| | - Asmaa M. Al-Hattali
- Department of Chemistry, College of Science, Sultan Qaboos University, Al Khod, P.O. Box 36, Muscat 123, Oman; (F.A.-R.); (J.H.); (Y.B.)
| | - Marcia Goettert
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Eberhard Karls Universität Tübingen, D-72076 Tübingen, Germany (S.L.)
| | - Stefan Laufer
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Eberhard Karls Universität Tübingen, D-72076 Tübingen, Germany (S.L.)
- Tübingen Center for Academic Drug Discovery (TüCAD2), D-72076 Tübingen, Germany
| | - Younis Baqi
- Department of Chemistry, College of Science, Sultan Qaboos University, Al Khod, P.O. Box 36, Muscat 123, Oman; (F.A.-R.); (J.H.); (Y.B.)
| | - Syed Imran Hassan
- Department of Chemistry, College of Science, Sultan Qaboos University, Al Khod, P.O. Box 36, Muscat 123, Oman; (F.A.-R.); (J.H.); (Y.B.)
| | - Majekodunmi O. Fatope
- Department of Chemistry, College of Science, Sultan Qaboos University, Al Khod, P.O. Box 36, Muscat 123, Oman; (F.A.-R.); (J.H.); (Y.B.)
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Tang J, Hu JZ, Chen YL, Zhao TT, Chen TX, Hu CG. Two new dihydro- β-agarofuran sesquiterpenes from the roots of Celastrus angulatus. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2023; 25:748-755. [PMID: 36355831 DOI: 10.1080/10286020.2022.2144261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/01/2022] [Accepted: 11/01/2022] [Indexed: 06/16/2023]
Abstract
Two new dihydro-β-agarofuran sesquiterpenes chiapen T (1) and chiapen U (2), along with chiapen A (3), 1β-hydroxy-2β,6α,12-triacetoxy-8β-(β-nicotinoyloxy)-9β-(benzoyloxy)-β-dihydroagarofuran (4), wilforlide B (5), 3-hydroxy-2-oxo-3-friedelen-29-oic acid (6), epikatonic acid (7), 22-epi-maytenfolic acid (8), maytenoic acid (9), wilforic acid F (10), wilforic acid B (11), were reported for the first time from the Celastrus angulatus. The structures of all the compounds were elucidated by HR-ESI-MS, 1 D and 2 D NMR spectra, as well as single-crystal X-ray diffraction analyses. Compounds 1 and 2 were examined for anti-inflammatory activity, respectively. None of them showed potent activity.
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Affiliation(s)
- Juan Tang
- School of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, China
| | - Jia-Zhen Hu
- School of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, China
| | - Yan-Ling Chen
- School of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, China
- Guizhou Institute of Prataculture, Guizhou Academy of Agricultural Sciences, Guiyang 550025, China
| | - Ting-Ting Zhao
- School of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, China
| | - Tao-Xiang Chen
- School of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, China
| | - Cheng-Gang Hu
- School of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, China
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Xue Y, Zhong H, Liu B, Qin S, Chen Z, Li K, Zheng L, Zuo X. Colorimetric identification of multiple terpenoids based on bimetallic FeCu/NPCs nanozymes. Anal Biochem 2023; 672:115160. [PMID: 37105389 DOI: 10.1016/j.ab.2023.115160] [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: 03/05/2023] [Revised: 04/05/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023]
Abstract
Nanozymes have been relatively well explored, and bimetal-doped nanozymes have attracted much exploration due to their superior catalytic activity. We developed bimetallic FeCu/NPCs and Cu/NPCs nanozymes, which have good catalytic properties due to the coordination of Fe and Cu with N and P. The nanozymes acted as sensing elements in a cascade reaction system to effectively recognize seven terpenoids, including menthol (Men), paeoniflorin (Pae), camphor (Cam), paclitaxel (Pac), andrographolide (Andro), ginkgolide A (Gin A), and piperone (Pip). Terpenoids act as inhibitors of acetylcholinesterase (AChE) and reduce the hydrolysis of acetylcholine (ATCh), providing insight into establishing a simple and distinct assay for terpenoids. Notably, the sensor array distinguished seven terpenoids with concentrations as low as 10 ng/mL and achieved high-precision detection of mixed samples with different molar ratios and 21 unknown samples. Finally, the sensor array successfully distinguished and identified multiple terpenoids in herbal samples.
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Affiliation(s)
- Yuting Xue
- Department of Chemistry, Capital Normal University, Beijing, 100048, China
| | - Haotian Zhong
- Department of Chemistry, Capital Normal University, Beijing, 100048, China
| | - Bin Liu
- Department of Chemistry, Capital Normal University, Beijing, 100048, China
| | - Shuo Qin
- Department of Chemistry, Capital Normal University, Beijing, 100048, China
| | - Zhengbo Chen
- Department of Chemistry, Capital Normal University, Beijing, 100048, China.
| | - Kai Li
- Department of Chemistry, Capital Normal University, Beijing, 100048, China
| | - Lirong Zheng
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Xia Zuo
- Department of Chemistry, Capital Normal University, Beijing, 100048, China.
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Osei R, Boamah S, Boakye TA, Wei L, Jin M, Gyasi Santo K, Takyi I, Yang C. In vitro application of proline in potato tubers under newly emerging bacteria Lelliottia amnigena infection. Microb Pathog 2023; 178:106053. [PMID: 36907362 DOI: 10.1016/j.micpath.2023.106053] [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: 01/11/2023] [Accepted: 03/03/2023] [Indexed: 03/12/2023]
Abstract
Biotic stress deleteriously affects growth, development, and productivity in plants. Proline (Pro) plays a significant role in enhancing plant resistance to pathogen infection. However, its effects on reducing Lelliottia amnigena-induced oxidative stress in potato tubers remain unknown. The present study aims to evaluate the in vitro Pro treatment in potato tubers exposed to a newly emerging bacterium, L. amnigena. Sterilized healthy potato tubers were inoculated with 0.3 mL of L. amnigena suspension (3.69 × 107 CFU mL-1) 24 h before Pro (5.0 mM) application. The L. amnigena treatment significantly increased the contents of malondialdehyde (MDA) and hydrogen peroxide (H2O2) in the potato tubers by 80.6 and 85.6%, respectively, compared to the control. Application of proline (Pro) decreased MDA and H2O2 contents by 53.6 and 55.9%, respectively, compared to the control. Application of Pro to L. amnigena-stressed potato tubers increased the activities of NADPH oxidase (NOX), superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), polyphenol oxidase (PPO), phenylalanine ammonia-lyase (PAL), cinnamyl alcohol dehydrogenase (CAD), 4-coumaryl-CoA ligase (4CL) and cinnamate-4-hydroxylase (C4H) C4H by 94.2, 96.3, 97.3, 97.1, 96.6, 79.3, 96.4, 93.6, and 96.2%, respectively, compared to the control. In comparison to the control, the genes PAL, SOD, CAT, POD, and NOX were significantly increased in the Pro-treated tubers at 5.0 mM concentration. Tubers treated with Pro + L. amnigena increased the transcript levels of PAL, SOD, CAT, POD, and NOX by 2.3, 2.2, 2.3, 2.5, and 2.8-fold respectively, compared to the control. Our findings suggested that pretreatment of tubers with Pro might reduce lipid peroxidation and oxidative stress by enhancing enzymatic antioxidant activity and gene expression.
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Affiliation(s)
- Richard Osei
- College of Plant Protection, Gansu Agricultural University, Lanzhou, 730070, China; Biocontrol Engineering Laboratory of Crop Diseases and Pests of Gansu Province, Lanzhou, 730070, China
| | - Solomon Boamah
- College of Plant Protection, Gansu Agricultural University, Lanzhou, 730070, China; Biocontrol Engineering Laboratory of Crop Diseases and Pests of Gansu Province, Lanzhou, 730070, China
| | - Thomas Afriyie Boakye
- College of Plant Protection, Gansu Agricultural University, Lanzhou, 730070, China; Biocontrol Engineering Laboratory of Crop Diseases and Pests of Gansu Province, Lanzhou, 730070, China
| | - Lijuan Wei
- College of Plant Protection, Gansu Agricultural University, Lanzhou, 730070, China; Biocontrol Engineering Laboratory of Crop Diseases and Pests of Gansu Province, Lanzhou, 730070, China
| | - Mengjun Jin
- College of Plant Protection, Gansu Agricultural University, Lanzhou, 730070, China; Biocontrol Engineering Laboratory of Crop Diseases and Pests of Gansu Province, Lanzhou, 730070, China
| | | | - Isaac Takyi
- Delf Institute for Water Education, Netherlands
| | - Chengde Yang
- College of Plant Protection, Gansu Agricultural University, Lanzhou, 730070, China; Biocontrol Engineering Laboratory of Crop Diseases and Pests of Gansu Province, Lanzhou, 730070, China.
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Ning R, Mu H, Chen L, Wang T, Xu X, He S, Jiang M, Zhao W. First Report on Inhibitory Effect against Osteoclastogenesis of Dihydro-β-agarofuran-Type Sesquiterpenoids. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:554-566. [PMID: 35007076 DOI: 10.1021/acs.jafc.1c06862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Dihydro-β-agarofuran-type sesquiterpenoids are characteristic metabolites of Celastraceae plants, and the extracts of these plants have been developed into botanical pesticides. In the course of our efforts to find novel natural biologically active products, eight new dihydro-β-agarofuran-type sesquiterpenoids (1-8) were identified from the stems of Celastrus monospermus Roxb. Their structures were elucidated by extensive spectroscopic analysis, single crystal X-ray crystallography, and electronic circular dichroism (ECD) calculations. In consideration of the efficacy of certain Celastrus plants for the treatment of arthritis and arthralgia in folk medicine, the isolates were evaluated for their inhibitory activities against osteoclastogenesis. As a result, compounds 4, 6, and 7 were found to restrain osteoclastogenesis induced by receptor activator of nuclear factor-κB ligand (RANKL) with IC50 values of 0.58, 1.2, and 6.1 μM, respectively. Furthermore, compound 4 was found to inhibit osteoclastogenesis-related gene (c-Fos, MMP-9, CTSK, TRAP) expression and block c-Fos protein expression and inhibited bone resorption of mature osteoclasts induced by M-CSF and RANKL in a dose dependent manner. This is the first report of dihydro-β-agarofuran-type sesquiterpenoid for their potential medical applications in bone metabolic diseases.
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Affiliation(s)
- Ruonan Ning
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, People's Republic of China
- School of Pharmacy, Shanghai University of Medicine & Health Sciences, Shanghai 201318, People's Republic of China
| | - Hongyan Mu
- Natural Product Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, People's Republic of China
| | - Li Chen
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, People's Republic of China
- Laboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Tianqi Wang
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, People's Republic of China
| | - Xing Xu
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, People's Republic of China
| | - Shijun He
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, People's Republic of China
- Laboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Min Jiang
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, People's Republic of China
| | - Weimin Zhao
- Natural Product Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, People's Republic of China
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8
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Zhou L, Bai M, He QJ, Hou ZL, Lu LW, Wang J, Huang XX, Lin B, Song SJ. Nine new dihydro-β-agarofuran sesquiterpene polyesters from the leaves of Tripterygium wilfordii. NEW J CHEM 2022. [DOI: 10.1039/d1nj03800a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Nine previously undescribed dihydro-β-agarofuran type sesquiterpene polyesters, tripteresters A–I (1–9) were isolated from the leaves of Tripterygium wilfordii.
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Affiliation(s)
- Le Zhou
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang City, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Ming Bai
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang City, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Qing-Jun He
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang City, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Zi-Lin Hou
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang City, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Li-Wei Lu
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang City, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Jie Wang
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang City, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Xiao-Xiao Huang
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang City, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Bin Lin
- School of Pharmaceutical Engineering, Liaoning Province, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Shao-Jiang Song
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang City, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
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9
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Huang YY, Chen L, Ma GX, Xu XD, Jia XG, Deng FS, Li XJ, Yuan JQ. A Review on Phytochemicals of the Genus Maytenus and Their Bioactive Studies. Molecules 2021; 26:4563. [PMID: 34361712 PMCID: PMC8347511 DOI: 10.3390/molecules26154563] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/19/2021] [Accepted: 07/23/2021] [Indexed: 12/20/2022] Open
Abstract
The genus Maytenus is a member of the Celastraceae family, of which several species have long been used in traditional medicine. Between 1976 and 2021, nearly 270 new compounds have been isolated and elucidated from the genus Maytenus. Among these, maytansine and its homologues are extremely rare in nature. Owing to its unique skeleton and remarkable bioactivities, maytansine has attracted many synthetic endeavors in order to construct its core structure. In this paper, the current status of the past 45 years of research on Maytenus, with respect to its chemical and biological activities are discussed. The chemical research includes its structural classification into triterpenoids, sesquiterpenes and alkaloids, along with several chemical synthesis methods of maytansine or maytansine fragments. The biological activity research includes activities, such as anti-tumor, anti-bacterial and anti-inflammatory activities, as well as HIV inhibition, which can provide a theoretical basis for the better development and utilization of the Maytenus.
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Affiliation(s)
- Yuan-Yuan Huang
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning 530200, China; (Y.-Y.H.); (X.-G.J.); (F.-S.D.)
- School of Chemistry and Materials, Nanning Normal University, Nanning 530001, China
| | - Lu Chen
- Research Department of Guangxi Botanical Garden of Medicinal Plants, Nanning 530023, China;
| | - Guo-Xu Ma
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, China; (G.-X.M.); (X.-D.X.)
| | - Xu-Dong Xu
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, China; (G.-X.M.); (X.-D.X.)
| | - Xue-Gong Jia
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning 530200, China; (Y.-Y.H.); (X.-G.J.); (F.-S.D.)
| | - Fu-Sheng Deng
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning 530200, China; (Y.-Y.H.); (X.-G.J.); (F.-S.D.)
| | - Xue-Jian Li
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning 530200, China; (Y.-Y.H.); (X.-G.J.); (F.-S.D.)
| | - Jing-Quan Yuan
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning 530200, China; (Y.-Y.H.); (X.-G.J.); (F.-S.D.)
- School of Chemistry and Materials, Nanning Normal University, Nanning 530001, China
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10
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Yu JM, Zhu LW, Hong XY, Gao H, Chen TT. Visible light-induced alkylpyridylation of styrenes via a reductive radical three-component coupling. Org Biomol Chem 2021; 19:5642-5648. [PMID: 34105570 DOI: 10.1039/d1ob00498k] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A visible light-induced and metal-free strategy for the intermolecular three-compoment alkylpyridylation of styrenes is reported. Hantzsch ester was found to be key to initiate the overall reductive radical coupling reaction. This radical process realized difunctionalization of styrenes, selectively yielding alkylated pyridines in good to excellent yields with a wide tolerance of functional groups, mild reaction conditions and simple operation. This new reaction complements existing visible light-induced variants of styrenes with NHP esters and expands the capabilities of radical-based cross-coupling reactions of pyridines.
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Affiliation(s)
- Jing-Miao Yu
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, China
| | - Li-Wen Zhu
- School of Pharmaceutical and Materials Engineering, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, China.
| | - Xiao-Yuan Hong
- School of Pharmaceutical and Materials Engineering, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, China.
| | - Huan Gao
- School of Pharmaceutical and Materials Engineering, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, China.
| | - Ting-Ting Chen
- School of Pharmaceutical and Materials Engineering, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, China.
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11
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Mu H, Tang S, Zuo Q, Huang M, Zhao W. Dihydro-β-agarofuran-Type Sesquiterpenoids from the Seeds of Celastrus virens and Their Multidrug Resistance Reversal Activity against the KB/VCR Cell Line. JOURNAL OF NATURAL PRODUCTS 2021; 84:588-600. [PMID: 33683135 DOI: 10.1021/acs.jnatprod.0c01182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Twenty-nine dihydro-β-agarofuran-type sesquiterpenoids, including 17 new and 12 known compounds, were obtained from the seeds of Celastrus virens. The structures of the new isolates were characterized by spectroscopic methods and X-ray diffraction analysis. Among these, 20 sesquiterpenoids were evaluated for their multidrug resistance (MDR) reversal activity against the KB/VCR cell line. As a result, compounds 6 and 8 were found to exhibit MDR-reversal activity of more than 10-fold at a concentration of 2 μM, and the reversal fold (RF) ratios of compounds 19, 21, and 24 were >97.9 at a 20 μM nontoxic concentration level.
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Affiliation(s)
- Hongyan Mu
- Department of Natural Products Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Shuai Tang
- Division of Antitumor Pharmacology and State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, People's Republic of China
| | - Quan Zuo
- Department of Natural Products Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Min Huang
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
- Division of Antitumor Pharmacology and State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Weimin Zhao
- Department of Natural Products Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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12
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Lu LH, Wu DS, Zha YF, Mei SX, Li XH. Structure elucidation and NMR assignment of two new hydroxywilfordate-type alkaloids from the stems of Tripterygium hypoglaucum and activity evaluation. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2020; 58:969-974. [PMID: 32643204 DOI: 10.1002/mrc.5074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 07/06/2020] [Accepted: 07/06/2020] [Indexed: 06/11/2023]
Affiliation(s)
- Li-He Lu
- Yunnan Institute of Materia Medica, Kunming, 650111, China
- Innovation and R&D Center, Yunnan Bai Yao Group, Kunming, 650111, China
- Yunnan Province Company Key Laboratory for TCM and Ethnic Drug of New Drug Creation, Kunming, 650111, China
| | - De-Song Wu
- Yunnan Institute of Materia Medica, Kunming, 650111, China
- Innovation and R&D Center, Yunnan Bai Yao Group, Kunming, 650111, China
- Yunnan Province Company Key Laboratory for TCM and Ethnic Drug of New Drug Creation, Kunming, 650111, China
| | - Yu-Feng Zha
- Yunnan Institute of Materia Medica, Kunming, 650111, China
- Innovation and R&D Center, Yunnan Bai Yao Group, Kunming, 650111, China
- Yunnan Province Company Key Laboratory for TCM and Ethnic Drug of New Drug Creation, Kunming, 650111, China
| | - Shuang-Xi Mei
- Yunnan Institute of Materia Medica, Kunming, 650111, China
- Innovation and R&D Center, Yunnan Bai Yao Group, Kunming, 650111, China
- Yunnan Province Company Key Laboratory for TCM and Ethnic Drug of New Drug Creation, Kunming, 650111, China
| | - Xiao-Hui Li
- Yunnan Institute of Materia Medica, Kunming, 650111, China
- Innovation and R&D Center, Yunnan Bai Yao Group, Kunming, 650111, China
- Yunnan Province Company Key Laboratory for TCM and Ethnic Drug of New Drug Creation, Kunming, 650111, China
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13
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Chen DL, Wang BW, Sun ZC, Yang JS, Xu XD, Ma GX. Natural Nitrogenous Sesquiterpenoids and Their Bioactivity: A Review. Molecules 2020; 25:E2485. [PMID: 32471218 PMCID: PMC7321145 DOI: 10.3390/molecules25112485] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 05/20/2020] [Accepted: 05/22/2020] [Indexed: 12/20/2022] Open
Abstract
Nitrogenous sesquiterpenoids fromnatural sourcesare rare, so unsurprisingly neither the potentially valuable bioactivity nor thebroad structural diversity of nitrogenous sesquiterpenoids has been reviewed before. This report covers the progressduring the decade from 2010 to February 2020 on the isolation, identification, and bioactivity of 391 nitrogen-containing natural sesquiterpenes from terrestrial plant, marine organisms, and microorganisms. This complete and in-depth reviewshouldbe helpful for discovering and developing new drugs of medicinal valuerelated to natural nitrogenous sesquiterpenoids.
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Affiliation(s)
- De-Li Chen
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 151, Malianwa North Road, Haidian District, Beijing 100193, China; (D.-L.C.); (Z.-C.S.); (J.-S.Y.)
- Hainan Branch of Institute of Medicinal Plant Development, Chinese Academy of Medicinal Sciences & Peking Union Medical College (Hainan Provincial Key Laboratory of Resources Conservation and Development of Southern Medicine), Haikou 570311, China
| | - Bo-Wen Wang
- School of Chemical Engineering and Technology, Hainan University, Haikou 570228, China;
| | - Zhao-Cui Sun
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 151, Malianwa North Road, Haidian District, Beijing 100193, China; (D.-L.C.); (Z.-C.S.); (J.-S.Y.)
| | - Jun-Shan Yang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 151, Malianwa North Road, Haidian District, Beijing 100193, China; (D.-L.C.); (Z.-C.S.); (J.-S.Y.)
| | - Xu-Dong Xu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 151, Malianwa North Road, Haidian District, Beijing 100193, China; (D.-L.C.); (Z.-C.S.); (J.-S.Y.)
| | - Guo-Xu Ma
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 151, Malianwa North Road, Haidian District, Beijing 100193, China; (D.-L.C.); (Z.-C.S.); (J.-S.Y.)
- Hainan Branch of Institute of Medicinal Plant Development, Chinese Academy of Medicinal Sciences & Peking Union Medical College (Hainan Provincial Key Laboratory of Resources Conservation and Development of Southern Medicine), Haikou 570311, China
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14
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15
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Fu Y, Wang W, Gong Q, Zhang H, Zhao W. Neuroprotective Dihydro-β-agarofuran-Type Sesquiterpenes from the Seeds of Euonymus maackii. JOURNAL OF NATURAL PRODUCTS 2019; 82:3096-3103. [PMID: 31713425 DOI: 10.1021/acs.jnatprod.9b00701] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Twenty-one dihydro-β-agarofuran derivatives were purified from the seeds of Euonymus maackii, and eight compounds (1-8) were identified as new natural products. Their structures were deduced by extensive spectroscopic analysis, X-ray diffraction studies, and comparison of observed and reported NMR data. Compounds 10, 12, 17, and 18 significantly increased the cell viability of Aβ25-35-treated SH-SY5Y cells with effects similar to that of epigallocatechin gallate (EGCG). In addition, the abundant compound 9 reduced the seizure-like locomotor activity of zebrafish at 10 μM compared with a pentylenetetrazol-treated group.
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Affiliation(s)
- Yifan Fu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203 , People's Republic of China
- University of Chinese Academy of Sciences , Beijing 100049 , People's Republic of China
| | - Wei Wang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203 , People's Republic of China
| | - Qi Gong
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203 , People's Republic of China
| | - Haiyan Zhang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203 , People's Republic of China
| | - Weimin Zhao
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203 , People's Republic of China
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16
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Dihydro-β-agarofuran sesquiterpenoid derivatives with anti-inflammatory activity from the leaves of Tripterygium wilfordii. Bioorg Chem 2019; 92:103288. [DOI: 10.1016/j.bioorg.2019.103288] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 09/06/2019] [Accepted: 09/16/2019] [Indexed: 12/14/2022]
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17
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Zhou L, He QJ, Lu LW, Zhao F, Zhang Y, Huang XX, Lin B, Song SJ. Tripterfordins A-O, Dihydro-β-agarofuran Sesquiterpenoids from the Leaves of Tripterygium wilfordii. JOURNAL OF NATURAL PRODUCTS 2019; 82:2696-2706. [PMID: 31556299 DOI: 10.1021/acs.jnatprod.9b00089] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Fifteen new dihydro-β-agarofuran-type sesquiterpenoids, tripterfordins A-O, were obtained from the aqueous EtOH extracts of the leaves of Tripterygium wilfordii. These constituted a class of highly oxygenated tricyclic sesquiterpenoid polyesters with a cinnamoyloxy group at C-1. The assignments of their structures were conducted via extensive analyses of the spectroscopic data and comparison of experimental and calculated ECD data. The absolute configurations of compounds 1, 4, 9, and 10 were established via single-crystal X-ray diffraction data. Additionally, compounds 1, 4, 9, 10, and 13 exhibited pronounced inhibitory effects on nitric oxide production in RAW 264.7 murine macrophages stimulated by lipopolysaccharide with IC50 values ranging from 11.9 to 31.0 μM.
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Affiliation(s)
| | | | | | - Feng Zhao
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, School of Pharmacy , Yantai University , Yantai 264005 , People's Republic of China
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18
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Shen Y, Chen BL, Zhang QX, Zheng YZ, Fu Q. Traditional uses, secondary metabolites, and pharmacology of Celastrus species - a review. JOURNAL OF ETHNOPHARMACOLOGY 2019; 241:111934. [PMID: 31129308 DOI: 10.1016/j.jep.2019.111934] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 05/02/2019] [Accepted: 05/02/2019] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Plants of genus Celastrus (Celastraceae) have been widely used in traditional Chinese medicine (TCM) and Indian medicine to treat cognitive dysfunction, epilepsy, insomnia, rheumatism, gout, and dyspepsia for thousands of years. AIM OF STUDY We critically summarized the current evidence on the botanic characterization and distribution, ethnopharmacology, secondary metabolites, pharmacological activities, qualitative and quantitative analysis, and toxicology of Celastrus species to provide perspectives for developing more attractive pharmaceuticals of plant origin. MATERIALS AND METHODS The relevant information on Celastrus species was gathered from worldwide accepted scientific databases via electronic search (Web of Science, SciFinder, PubMed, Elsevier, SpringerLink, Wiley Online, China Knowledge Resource Integrated, and Google Scholar). Information was also obtained from the literature and books as well as PhD and MSc dissertations. Plant names were validated by "The Plant List" (www.theplantlist.org). RESULTS Comprehensive analysis of the above mentioned databases and other sources confirmed that ethnomedical uses of plants of Celastrus genus had been recorded in China, India, and other countries in Southern Asia. The phytochemical investigation revealed the presence of β-dihydroagarofuranoids, diterpenoids, triterpenoids, tetraterpenes, phenylpropanoids, alkaloids, flavonoids, lignans, and others. The crude extracts and isolated constituents have exhibited a wide range of in vitro and in vivo pharmacological effects, including antitumor, cytotoxic, insecticidal, antimicrobial, anti-rheumatoid arthritis (RA), anti-inflammatory, anti-ageing and antioxidative, and neuroprotective activities. CONCLUSION Plants of genus Celastrus have been confirmed to show a strong potential for therapeutic and health-maintaining effects, in light of their long traditional use and the phytochemical and pharmacological studies summarized here. Currently, pharmacological studies of this genus mainly focus on Celastrus paniculatus Willd. and Celastrus orbiculatus Thunb. Therefore, more pharmacological investigations should be implemented to support traditional uses of other medicinal plants of the genus Celastrus. Moreover, studies on the toxicity, bioavailability, and pharmacokinetics, in addition to clinical trials, are indispensable for assessing the safety and efficacy of the secondary metabolites or extracts obtained from plants belonging to this genus.
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Affiliation(s)
- Yue Shen
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture Rural Affairs, College of Pharmacy and Biological Engineering, Chengdu University, Chengdu, 610106, China
| | - Bi-Lian Chen
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture Rural Affairs, College of Pharmacy and Biological Engineering, Chengdu University, Chengdu, 610106, China
| | - Qin-Xiu Zhang
- School of Medical and Life Sciences, Chengdu University of TCM, Chengdu, 610072, China
| | - Yu-Zhong Zheng
- School of Food Engineering and Biotechnology, Hanshan Normal University, Chaozhou, 521041, China
| | - Qiang Fu
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture Rural Affairs, College of Pharmacy and Biological Engineering, Chengdu University, Chengdu, 610106, China.
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19
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Terpenoids from the stems of Celastrus hindsii and their anti-RSV activities. Fitoterapia 2018; 130:118-124. [DOI: 10.1016/j.fitote.2018.08.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 08/13/2018] [Accepted: 08/22/2018] [Indexed: 12/24/2022]
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20
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Veloso CC, Soares GL, Perez AC, Rodrigues VG, Silva FC. Pharmacological potential of Maytenus species and isolated constituents, especially tingenone, for treatment of painful inflammatory diseases. REVISTA BRASILEIRA DE FARMACOGNOSIA-BRAZILIAN JOURNAL OF PHARMACOGNOSY 2017. [DOI: 10.1016/j.bjp.2017.02.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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21
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Zhou J, Han N, Lv G, Jia L, Liu Z, Yin J. Two New β-Dihydroagarofuran Sesquiterpenes from Celastrus orbiculatus Thunb and Their Anti-Proliferative Activity. Molecules 2017; 22:E948. [PMID: 28598409 PMCID: PMC6152708 DOI: 10.3390/molecules22060948] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 06/05/2017] [Accepted: 06/05/2017] [Indexed: 11/16/2022] Open
Abstract
Two new β-dihydroagarofuran-type sesquiterpenes (1-2) were isolated and identified from the fruit of Celastrus orbiculatus Thunb, together with seventeen known compounds (3-19). The structures of the isolated new compounds were elucidated based on extensive spectroscopic analyses. The cytotoxic activities of the 19 sesquiterpenes on three cell lines, human acute promyelocytic leukemia HL-60, human leukemic K562, and human colon cancer HCT-116 cells, were evaluated in vitro. Compound 4 exhibited potent cytotoxic activity against HL-60, K562, and HCT116 cell lines with IC50 values of 3.61 μΜ, 17.13 μΜ and 10.15 μΜ, respectively, and the other compounds displayed moderate activity.
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Affiliation(s)
- Jingjing Zhou
- Department of Pharmacognosy and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Na Han
- Department of Pharmacognosy and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Guanghui Lv
- Department of Pharmacognosy and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Lina Jia
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Zhihui Liu
- Department of Pharmacognosy and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Jun Yin
- Department of Pharmacognosy and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
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22
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Touré S, Nirma C, Falkowski M, Dusfour I, Boulogne I, Jahn-Oyac A, Coke M, Azam D, Girod R, Moriou C, Odonne G, Stien D, Houël E, Eparvier V. Aedes aegypti Larvicidal Sesquiterpene Alkaloids from Maytenus oblongata. JOURNAL OF NATURAL PRODUCTS 2017; 80:384-390. [PMID: 28186749 DOI: 10.1021/acs.jnatprod.6b00850] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Four new sesquiterpene alkaloids (1-4) with a β-dihydroagrofuran skeleton and a new triterpenoid (5) were isolated from an ethyl acetate extract of Maytenus oblongata stems. Their structures were elucidated using 1D and 2D NMR spectroscopy as well as MS and ECD experiments. The M. oblongata stem EtOAc extract and the pure compounds isolated were tested for larvicidal activity against Aedes aegypti under laboratory conditions, and compounds 2 and 3 were found to be active.
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Affiliation(s)
- Seindé Touré
- CNRS, Institut de Chimie des Substances Naturelles , 91198 Gif-sur-Yvette, France
| | - Charlotte Nirma
- CNRS, Institut de Chimie des Substances Naturelles , 91198 Gif-sur-Yvette, France
| | - Michael Falkowski
- CNRS, UMR EcoFoG, AgroParisTech, Cirad, INRA, Université des Antilles, Université de Guyane , 97300 Cayenne, France
| | - Isabelle Dusfour
- Unité de Contrôle et Adaptation des Vecteurs, Institut Pasteur de la Guyane , 97306 Cayenne, France
| | - Isabelle Boulogne
- CNRS, UMR EcoFoG, AgroParisTech, Cirad, INRA, Université des Antilles, Université de Guyane , 97300 Cayenne, France
- UPRES-EA 4358 GlycoMev (Glycobiologie et Matrice Extracellulaire Végétale), Université de Rouen , 76821 Mont-Saint-Aignan, France
| | - Arnaud Jahn-Oyac
- CNRS, UMR EcoFoG, AgroParisTech, Cirad, INRA, Université des Antilles, Université de Guyane , 97300 Cayenne, France
| | - Maïra Coke
- Unité Expérimentale d'Ecologie et d'Ecotoxicologie Aquatique, INRA-U3E , 35042 Rennes, France
| | - Didier Azam
- Unité Expérimentale d'Ecologie et d'Ecotoxicologie Aquatique, INRA-U3E , 35042 Rennes, France
| | - Romain Girod
- Unité de Contrôle et Adaptation des Vecteurs, Institut Pasteur de la Guyane , 97306 Cayenne, France
| | - Céline Moriou
- CNRS, Institut de Chimie des Substances Naturelles , 91198 Gif-sur-Yvette, France
| | - Guillaume Odonne
- Laboratoire Ecologie, Evolution, Interactions des Systèmes Amazoniens (LEEISA), CNRS, Université de Guyane, IFREMER , 97300 Cayenne, France
| | - Didier Stien
- CNRS, Institut de Chimie des Substances Naturelles , 91198 Gif-sur-Yvette, France
- Laboratoire de Biodiversité et Biotechnologies Microbiennes (LBBM), Sorbonne Universités, UPMC Univ. Paris 06, CNRS , Observatoire Océanologique, 66650 Banyuls-sur-Mer, France
| | - Emeline Houël
- CNRS, UMR EcoFoG, AgroParisTech, Cirad, INRA, Université des Antilles, Université de Guyane , 97300 Cayenne, France
| | - Véronique Eparvier
- CNRS, Institut de Chimie des Substances Naturelles , 91198 Gif-sur-Yvette, France
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23
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Wibowo M, Wang Q, Holst J, White JM, Hofmann A, Davis RA. Dihydro‐
β
‐agarofurans from the Australian Endemic Rainforest Plant
Denhamia pittosporoides
Inhibit Leucine Transport in Prostate Cancer Cells. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201600462] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Mario Wibowo
- Eskitis Institute for Drug Discovery Griffith University Brisbane QLD 4111 Australia
| | - Qian Wang
- Origins of Cancer Program, Centenary Institute University of Sydney Camperdown NSW 2050 Australia
- Sydney Medical School University of Sydney Sydney NSW 2006 Australia
| | - Jeff Holst
- Origins of Cancer Program, Centenary Institute University of Sydney Camperdown NSW 2050 Australia
- Sydney Medical School University of Sydney Sydney NSW 2006 Australia
| | - Jonathan M. White
- School of Chemistry and Bio21 Institute The University of Melbourne Melbourne VIC 3010 Australia
| | - Andreas Hofmann
- Eskitis Institute for Drug Discovery Griffith University Brisbane QLD 4111 Australia
- Faculty of Veterinary and Agricultural Sciences The University of Melbourne Melbourne VIC 3010 Australia
| | - Rohan A. Davis
- Eskitis Institute for Drug Discovery Griffith University Brisbane QLD 4111 Australia
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24
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Perestelo NR, Jiménez IA, Tokuda H, Vázquez JT, Ichiishi E, Bazzocchi IL. Absolute Configuration of Dihydro-β-agarofuran Sesquiterpenes from Maytenus jelskii and Their Potential Antitumor-Promoting Effects. JOURNAL OF NATURAL PRODUCTS 2016; 79:2324-2331. [PMID: 27541714 DOI: 10.1021/acs.jnatprod.6b00469] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Chemoprevention of human cancer appears to be a feasible strategy for cancer control, especially when chemopreventive intervention is involved during early stages of the carcinogenesis process. As a part of our ongoing research program into new chemopreventive agents, herein are reported the isolation, structural elucidation, and biological evaluation of 10 new (1-10) and three known (11-13) sesquiterpenes with a dihydro-β-agarofuran skeleton from the leaves of Maytenus jelskii Zahlbr. Their stereostructures have been elucidated by means of spectroscopic analysis, including 1D and 2D NMR techniques, ECD studies, and biogenetic considerations. The isolated metabolites and eight previously reported sesquiterpenes (14-21) were screened for their antitumor-promoting activity using a short-term in vitro assay for Epstein-Barr virus early antigen (EBV-EA) activation induced by 12-O-tetradecanoylphorbol-13-acetate (TPA). Six compounds from this series (4, 5, 11, and 13-15) were found to exhibit higher efficacies than β-carotene, used as reference inhibitor for EBV-EA activation. In particular, promising antitumor activity was observed for compound 5, exhibiting inhibition even at the lowest concentration assayed (10 mol ratio/TPA). Preliminary structure-activity relationship analysis revealed that the acetate, benzoate, and hydroxy groups are the most desirable substituents on the sesquiterpene scaffold for activity in the EBV-EA activation assay.
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Affiliation(s)
- Nayra R Perestelo
- Instituto Universitario de Bio-Orgánica Antonio González, Departamento de Química Orgánica, and Instituto Canario de Investigación del Cáncer, Universidad de La Laguna , Avenida Astrofísico Francisco Sánchez 2, 38206 La Laguna, Tenerife, Spain
| | - Ignacio A Jiménez
- Instituto Universitario de Bio-Orgánica Antonio González, Departamento de Química Orgánica, and Instituto Canario de Investigación del Cáncer, Universidad de La Laguna , Avenida Astrofísico Francisco Sánchez 2, 38206 La Laguna, Tenerife, Spain
| | - Harukuni Tokuda
- Organic Chemistry in Life Science, Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University , Kyoto 606-8502, Japan
| | - Jesús T Vázquez
- Instituto Universitario de Bio-Orgánica Antonio González, Departamento de Química Orgánica, and Instituto Canario de Investigación del Cáncer, Universidad de La Laguna , Avenida Astrofísico Francisco Sánchez 2, 38206 La Laguna, Tenerife, Spain
| | - Eiichiro Ichiishi
- Department of Internal Medicine, International University of Health and Welfare Hospital, Nasushiobara , Tochigi 329-2763, Japan
| | - Isabel L Bazzocchi
- Instituto Universitario de Bio-Orgánica Antonio González, Departamento de Química Orgánica, and Instituto Canario de Investigación del Cáncer, Universidad de La Laguna , Avenida Astrofísico Francisco Sánchez 2, 38206 La Laguna, Tenerife, Spain
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Seasonal variation of gastroprotective terpenoids in Maytenus robusta (Celastraceae) quantified by gas chromatography-flame ionization detection (GC-FID). ACTA ACUST UNITED AC 2016; 71:369-373. [DOI: 10.1515/znc-2015-0185] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Accepted: 07/11/2016] [Indexed: 11/15/2022]
Abstract
Abstract
The triterpenes friedelin (1), β-friedelinol (2) and 3,15-dioxo-21α-hydroxyfriedelane (3) in the aerial parts of Maytenus robusta, a Brazilian medicinal plant with antiulcer potential, were seasonally quantified by gas chromatography flame-ionization detection (GC-FID) using an external standard. The method was found to be linear, precise and sensitive. Compounds 1 and 2 were found in M. robusta leaves and branches, with highest concentrations in the leaves collected in autumn, i.e. 3.21 ± 0.16 and 12.60 ± 1.49 mg g−1 dry weight of 1 and 2, respectively. On the other hand, compound 3 was found only in the branches, with the highest concentrations in winter and autumn (0.21 ± 0.01 and 0.20 ± 0.02 mg g−1). The results allow to define the optimal season and plant parts for the collection of M. robusta as a phytotherapeutic drug.
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Wibowo M, Levrier C, Sadowski MC, Nelson CC, Wang Q, Holst J, Healy PC, Hofmann A, Davis RA. Bioactive Dihydro-β-agarofuran Sesquiterpenoids from the Australian Rainforest Plant Maytenus bilocularis. JOURNAL OF NATURAL PRODUCTS 2016; 79:1445-1453. [PMID: 27120798 DOI: 10.1021/acs.jnatprod.6b00190] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Chemical investigations of the CH2Cl2 extract obtained from the leaves of the Australian rainforest tree Maytenus bilocularis afforded three new dihydro-β-agarofurans, bilocularins A-C (1-3), and six known congeners, namely, celastrine A (4), 1α,6β,8α-triacetoxy-9α-benzoyloxydihydro-β-agarofuran (5), 1α,6β-diacetoxy-9α-benzoyloxy-8α-hydroxydihydro-β-agarofuran (6), Ejap-10 (11), 1α,6β-diacetoxy-9β-benzoyloxydihydro-β-agarofuran (12), and Ejap-2 (13). The major compound 1 was used in semisynthetic studies to afford four ester derivatives (7-10). The chemical structures of 1-3 were elucidated following analysis of 1D/2D NMR and MS data. The absolute configurations of bilocularins A (1) and B (2) were determined by single-crystal X-ray diffraction analysis. All compounds were evaluated for cytotoxic activity against the human prostate cancer cell line LNCaP; none of the compounds were active. However, several compounds showed similar potency to the drug efflux pump inhibitor verapamil in reversing the drug resistance of the human leukemia CEM/VCR R cell line. In addition, similar to verapamil, compound 5 was found to inhibit leucine uptake in LNCaP cells (IC50 = 15.5 μM), which was more potent than the leucine analogue 2-aminobicyclo[2.2.1]heptane-2-carbocyclic acid. This is the first report of secondary metabolites from Maytenus bilocularis.
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Affiliation(s)
- Mario Wibowo
- Eskitis Institute for Drug Discovery, Griffith University , Brisbane, QLD 4111, Australia
| | - Claire Levrier
- Eskitis Institute for Drug Discovery, Griffith University , Brisbane, QLD 4111, Australia
- Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation, Queensland University of Technology, Princess Alexandra Hospital, Translational Research Institute , Brisbane, QLD 4102, Australia
| | - Martin C Sadowski
- Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation, Queensland University of Technology, Princess Alexandra Hospital, Translational Research Institute , Brisbane, QLD 4102, Australia
| | - Colleen C Nelson
- Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation, Queensland University of Technology, Princess Alexandra Hospital, Translational Research Institute , Brisbane, QLD 4102, Australia
| | - Qian Wang
- Origins of Cancer Program, Centenary Institute, University of Sydney , Camperdown, NSW 2050, Australia
- Sydney Medical School, University of Sydney , Sydney, NSW 2006, Australia
| | - Jeff Holst
- Origins of Cancer Program, Centenary Institute, University of Sydney , Camperdown, NSW 2050, Australia
- Sydney Medical School, University of Sydney , Sydney, NSW 2006, Australia
| | - Peter C Healy
- School of Natural Sciences, Griffith University , Brisbane, QLD 4111, Australia
| | - Andreas Hofmann
- Eskitis Institute for Drug Discovery, Griffith University , Brisbane, QLD 4111, Australia
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne , Parkville, Victoria 3010, Australia
| | - Rohan A Davis
- Eskitis Institute for Drug Discovery, Griffith University , Brisbane, QLD 4111, Australia
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Benvenutti DF, Monache FD, Filho VC, de Andrade SF, Niero R. Phytochemical Analysis and Gastroprotective Activity of the Root Bark from Maytenus robusta. Nat Prod Commun 2016. [DOI: 10.1177/1934578x1601100509] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The present work evaluated the chemical composition and antiulcerogenic potential of the crude extract, fractions and pure compounds isolated of roots barks from Maytenus robusta Reiss, using different pharmacological models in mice. 3,12-Dioxofriedelane (1) and 11-hydroxylup-20 (29)-en-3-one (2) were isolated from the n-hexane fraction, and mayteine (3) and 3,7-dioxofriedelane (4) from the dichloromethane fraction. The crude extract (50, 259, 500 mg/kg), all the fractions (250 mg/kg) and cimetidine (100 mg/kg) significantly reduced the lesion index, total lesion area, and percentage of lesions, in comparison with the control group ( p< 0.05), by ethanol and NSAID-induced ulcer models. All the isolated compounds also presented significant pharmacological effects at 30 mg/kg. These results show that the root bark of M. robusta may be a promising source of molecules with applicability in the treatment of gastric disorders.
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Affiliation(s)
- Danyela Francine Benvenutti
- Programa de Pós-Graduação em Ciências Farmacêuticas and Núcleo de Investigações Químico-Farmacêuticas (NIQFAR)-Universidade do Vale do Itajaí-UNIVALI, Itajaí, Santa Catarina, Brazil- 88302–901
| | - Franco Delle Monache
- Programa de Pós-Graduação em Ciências Farmacêuticas and Núcleo de Investigações Químico-Farmacêuticas (NIQFAR)-Universidade do Vale do Itajaí-UNIVALI, Itajaí, Santa Catarina, Brazil- 88302–901
| | - Valdir Cechinel Filho
- Programa de Pós-Graduação em Ciências Farmacêuticas and Núcleo de Investigações Químico-Farmacêuticas (NIQFAR)-Universidade do Vale do Itajaí-UNIVALI, Itajaí, Santa Catarina, Brazil- 88302–901
| | - Sérgio Faloni de Andrade
- Programa de Pós-Graduação em Ciências Farmacêuticas and Núcleo de Investigações Químico-Farmacêuticas (NIQFAR)-Universidade do Vale do Itajaí-UNIVALI, Itajaí, Santa Catarina, Brazil- 88302–901
| | - Rivaldo Niero
- Programa de Pós-Graduação em Ciências Farmacêuticas and Núcleo de Investigações Químico-Farmacêuticas (NIQFAR)-Universidade do Vale do Itajaí-UNIVALI, Itajaí, Santa Catarina, Brazil- 88302–901
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Shu K, Shao J, Li H, Chen B, Tang P, Liu X, Chen W, Yu Y. Base-mediated synthesis of highly functionalized 2-aminonicotinonitriles from α-keto vinyl azides and α,α-dicyanoalkenes. RSC Adv 2016. [DOI: 10.1039/c6ra04669j] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
A novel access to highly functionalized 2-aminonicotinonitriles via efficient annulations of α-keto vinyl azides and α,α-dicyanoalkenes is described.
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Affiliation(s)
- Ke Shu
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research
- College of Pharmaceutical Science
- Zhejiang University
- Hangzhou 310058
- P. R. China
| | - Jiaan Shao
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research
- College of Pharmaceutical Science
- Zhejiang University
- Hangzhou 310058
- P. R. China
| | - Hong Li
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research
- College of Pharmaceutical Science
- Zhejiang University
- Hangzhou 310058
- P. R. China
| | - Binhui Chen
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research
- College of Pharmaceutical Science
- Zhejiang University
- Hangzhou 310058
- P. R. China
| | - Pai Tang
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research
- College of Pharmaceutical Science
- Zhejiang University
- Hangzhou 310058
- P. R. China
| | - Xingyu Liu
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research
- College of Pharmaceutical Science
- Zhejiang University
- Hangzhou 310058
- P. R. China
| | - Wenteng Chen
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research
- College of Pharmaceutical Science
- Zhejiang University
- Hangzhou 310058
- P. R. China
| | - Yongping Yu
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research
- College of Pharmaceutical Science
- Zhejiang University
- Hangzhou 310058
- P. R. China
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Ning R, Lei Y, Liu S, Wang H, Zhang R, Wang W, Zhu Y, Zhang H, Zhao W. Natural β-Dihydroagarofuran-Type Sesquiterpenoids as Cognition-Enhancing and Neuroprotective Agents from Medicinal Plants of the Genus Celastrus. JOURNAL OF NATURAL PRODUCTS 2015; 78:2175-2186. [PMID: 26295746 DOI: 10.1021/acs.jnatprod.5b00234] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Alzheimer's disease (AD) is an irreversible, multifaceted, and progressive neurodegenerative disorder. Over the past 30 years, the search for anti-AD drugs has been primarily based on the cholinergic deficiency hypothesis and/or the β-amyloid (Aβ) cascade hypothesis. In this study, we report the identification of 16 new and 38 known β-dihydroagarofuran-type sesquiterpenoids from Celastrus flagellaris and Celastrus angulatus. The β-dihydroagarofuran-type sesquiterpenoids 58, 59, 61, and 63 significantly attenuated scopolamine-induced prolonged escape latency and increased number of errors compared with the control group. At 10 μM, 21 of the 62 tested β-dihydroagarofuran-type sesquiterpenoids rescued Aβ25-35-induced SH-SY5Y cells from viability reduction, which increased the cell viability from 64.6% for the model to more than 74.0%. The majority of the β-dihydroagarofuran-type sesquiterpenoids with ester groups exhibited stronger activity than those with free hydroxy groups or without substituents at the same positions. These results identified a new chemical skeleton as drug lead for the investigation of novel therapeutic agents against AD.
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Affiliation(s)
- Ruonan Ning
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Yun Lei
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Shuangzhu Liu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Huan Wang
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Rujun Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Wei Wang
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Yingdong Zhu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Haiyan Zhang
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
| | - Weimin Zhao
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203, People's Republic of China
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