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Zhang D, Xiao Z, Wang N, Huang A, Wen J, Kong L, Luo J. Trisarcglaboids A and B, two cytotoxic lindenane sesquiterpenoid trimers with a unique polymerization mode isolated from Sarcandra glabra. Bioorg Chem 2024; 146:107259. [PMID: 38460335 DOI: 10.1016/j.bioorg.2024.107259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 03/01/2024] [Accepted: 03/02/2024] [Indexed: 03/11/2024]
Abstract
Trisarcglaboids A and B (1 and 2), representing the first example of lindenane sesquiterpenoid trimers repolymerized based on the classical [4 + 2] type dimer, together with known biogenic precursors chlorahololide D (3) and sarcandrolide A (4), were identified as chemical components of the root of Sarcandra glabra. The novel trimeric lindenane sesquiterpenoid skeletons, including their absolute configurations, were characterized using MS, NMR, ECD, and X-ray single crystal diffraction. The proposed Diels-Alder cycloaddition between Δ2(3) of the tiglic acyl group of the classical [4 + 2] type dimer and Δ15(4),5(6) of the third lindenane may serve as the key biogenic step. In addition, compound 1 exerted significant cytotoxicity against five human cancer cell lines with IC50 values ranging from 1 to 7 μM, potentially through blocking Akt phosphorylation and activating the endogenous apoptosis pathway.
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Affiliation(s)
- Danyang Zhang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Zhiqi Xiao
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Nan Wang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - An Huang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Jie Wen
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Lingyi Kong
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China.
| | - Jun Luo
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China.
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Liu C, Liu JX, Gu J, Liu F, Li JH, Yang B, Zheng Y, Li J, Wu SH, Wu QH, Zhang X, Li LM, Yang HL, Wang L, Li X. Corrigendum: Combination effect of three main constituents from Sarcandra glabra inhibits oxidative stress in the mice following acute lung injury: a role of MAPK-NF-κB pathway. Front Pharmacol 2024; 14:1335005. [PMID: 38576894 PMCID: PMC10993012 DOI: 10.3389/fphar.2023.1335005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 12/28/2023] [Indexed: 04/06/2024] Open
Abstract
[This corrects the article DOI: 10.3389/fphar.2020.580064.].
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Affiliation(s)
- Chunping Liu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Dongguan and Guangzhou University of Chinese Medicine Cooperative Academy of Mathematical Engineering for Chinese Medicine, Dongguan, China
| | - Jian-Xing Liu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jiangyong Gu
- Research Center of Integrative Medicine, School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Fang Liu
- Institute of Tropical Medicine, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jin Hua Li
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Bin Yang
- Guangzhou Medical University School of Basic Medicine, Guangzhou, China
| | - Yuan Zheng
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jie Li
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shou-Hai Wu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qing-He Wu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xian Zhang
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Long-Mei Li
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hai-Long Yang
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lei Wang
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiong Li
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
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JIN T, ZHOU Q, SHEN J, ZHANG Z, LIAN X. Caffeic acid 3,4-dihydroxyphenethyl ester prevents colorectal cancer through inhibition of multiple cancer-promoting signal pathways in 1,2-Dimethylhydrazine/dextran sodium sulphate mouse model. J TRADIT CHIN MED 2024; 44:70-77. [PMID: 38213241 PMCID: PMC10774738 DOI: 10.19852/j.cnki.jtcm.20231204.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 11/17/2022] [Indexed: 01/13/2024]
Abstract
OBJECTIVE To elucidate the potential feature and mechanism of the caffeic acid 3,4-dihydroxyphenethyl ester (CADPE) molecule, which can prevent colorectal cancer (CRC) in the 1,2-Dimethylhydrazine (DMH)/dextran sodium sulphate (DSS)-induced mouse model. METHODS Institute of cancer research (ICR) male mice were injected with 20 mg/kg DMH for a week. After that, 2% DSS was administered in the drinking water for another 7 d. The CADPE treatment was given to the DMH/DSS induced male mice at three different periods until their sacrifice. Histopathological examination was used for observing the CRC development at colonic mucosa. Immunohistochemistry (IHC), blood cells smearing and crypt damage scoring methods were used for investigating the anti-inflammation feature of CADPE related to CRC. The reversing targets searching method was applied with artificial intelligence (AI), computer-aided drug designing (CADD) and Ingenuity Pathway Analysis (IPA) techniques for predicting the potential targets and mechanism of CADPE highly related to CRC. RESULTS The data indicated that CADPE inhibited CRC tumor development in the colitis-associated DMH/DSS induced mouse model after giving the early treatment. CADPE also impeded the acute inflammation by decreasing the infiltration of neutrophils significantly during the initial stage of CRC development. Finally, our data showed that CADPE prevented CRC by blocking active sites of three pivotal protein targets including epidermal growth factor receptor (EGFR), extracellular signal-regulated kinase (ERK) and mammalian target of rapamycin (mTOR) in two major cancer development pathways. CONCLUSIONS CADPE effectively prevented CRC at early stage of tumor germination in the DMH/DSS mouse model highly likely due to its anti-acute inflammation characteristic and the ability of blocking EGFR, ERK and mTOR activities in two highly related CRC developing pathways.
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Affiliation(s)
- Tao JIN
- 1 College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Qian ZHOU
- 1 College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jichen SHEN
- 2 Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhizhong ZHANG
- 3 Ocean College, Zhoushan Campus of Zhejiang University, Zhoushan 316021, China
| | - Xiaoyuan LIAN
- 4 College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
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Chu JN, Krishnan P, Lim KH. A comprehensive review on the chemical constituents, sesquiterpenoid biosynthesis and biological activities of Sarcandra glabra. Nat Prod Bioprospect 2023; 13:53. [PMID: 38010490 PMCID: PMC10682397 DOI: 10.1007/s13659-023-00418-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 11/13/2023] [Indexed: 11/29/2023]
Abstract
Sarcandra glabra (Thunb.) Nakai is a perennial evergreen herb categorised within the Sarcandra Gardner genus under the Chloranthaceae family. Indigenous to tropical and subtropical regions of East Asia and India, this species is extensively distributed across China, particularly in the southern regions (Sichuan, Yunnan, and Jiangxi). In addition to its high ornamental value, S. glabra has a rich history of use in traditional Chinese medicine, evident through its empirical prescriptions for various ailments like pneumonia, dysentery, fractures, bruises, numbness, amenorrhea, rheumatism, and other diseases. Besides, modern pharmacological studies have revealed various biological activities, such as antitumour, anti-bacterial, anti-viral anti-inflammatory and immunomodulatory effects. The diverse chemical constituents of S. glabra have fascinated natural product researchers since the 1900s. To date, over 400 compounds including terpenoids, coumarins, lignans, flavonoids, sterols, anthraquinones, organic acids, and organic esters have been isolated and characterised, some featuring unprecedented structures. This review comprehensively examines the current understanding of S. glabra's phytochemistry and pharmacology, with emphasis on the chemistry and biosynthesis of its unique chemotaxonomic marker, the lindenane-type sesquiterpenoids.
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Affiliation(s)
- Jin-Ning Chu
- School of Pharmacy, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor, Malaysia
| | - Premanand Krishnan
- Foundation in Science, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor, Malaysia
| | - Kuan-Hon Lim
- School of Pharmacy, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor, Malaysia.
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Wu D, Zhang YY, Lin N, Li Y, Zhang JY, Wei YC. [Transcriptional regulation mechanism of differential accumulation of flavonoids in leaves and roots of Sarcandra glabra based on metabonomics and transcriptomics]. Zhongguo Zhong Yao Za Zhi 2023; 48:5767-5778. [PMID: 38114172 DOI: 10.19540/j.cnki.cjcmm.20230804.101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
This study aims to explore the molecular regulation mechanism of the differential accumulation of flavonoids in the leaves and roots of Sarcandra glabra. Liquid chromatography-mass spectrometry(LC-MS) and high-throughput transcriptome sequencing(RNA-seq) were employed to screen out the flavonoid-related differential metabolites and differentially expressed genes(DEGs) encoding key metabolic enzymes. Eight DEGs were randomly selected for qRT-PCR verification. The results showed that a total of 37 flavonoid-related differential metabolites between the leaves and roots of S. glabra were obtained, including pinocembrin, phlorizin, na-ringenin, kaempferol, leucocyanidin, and 5-O-caffeoylshikimic acid. The transcriptome analysis predicted 36 DEGs associated with flavonoids in the leaves and roots of S. glabra, including 2 genes in the PAL pathway, 3 genes in the 4CL pathway, 2 genes in the CHS pathway, 4 genes in the CHI pathway, 2 genes in the FLS pathway, 1 gene in the DFR pathway, 1 gene in the CYP73A pathway, 1 gene in the CYP75B1 pathway, 3 genes in the PGT1 pathway, 6 genes in the HCT pathway, 2 genes in the C3'H pathway, 1 gene in the CCOAOMT pathway, 1 gene in the ANR pathway, 1 gene in the LAR pathway, 2 genes in the 3AT pathway, 1 gene in the BZ1 pathway, 2 genes in the IFTM7 pathway, and 1 gene in the CYP81E9 pathway. Six transcription factors, including C2H2, bHLH, and bZIP, were involved in regulating the differential accumulation of flavonoids in the leaves and roots of S. glabra. The qRT-PCR results showed that the up-or down-regulated expression of the 8 randomly selected enzyme genes involved in flavonoid synthesis in the leaves and roots of S. glabra was consistent with the transcriptome sequencing results. This study preliminarily analyzed the transcriptional regulation mechanism of differential accumulation of flavonoids in the leaves and roots of S. glabra, laying a foundation for further elucidating the regulatory effects of key enzyme genes and corresponding transcription factors on the accumulation of flavonoids in S. glabra.
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Affiliation(s)
- Di Wu
- College of Pharmacy, Fujian University of Traditional Chinese Medicine Fuzhou 350122, China
| | - Yan-Yan Zhang
- College of Pharmacy, Fujian University of Traditional Chinese Medicine Fuzhou 350122, China
| | - Nan Lin
- College of Pharmacy, Fujian University of Traditional Chinese Medicine Fuzhou 350122, China
| | - Ye Li
- College of Pharmacy, Fujian University of Traditional Chinese Medicine Fuzhou 350122, China
| | - Jia-Yuan Zhang
- College of Pharmacy, Fujian University of Traditional Chinese Medicine Fuzhou 350122, China
| | - Yi-Cong Wei
- College of Pharmacy, Fujian University of Traditional Chinese Medicine Fuzhou 350122, China
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Chen Z, Sun Y, Wang Y, Kong L, Luo J. Two new sesquiterpenoids from the roots of Sarcandra glabra. Nat Prod Res 2023; 37:3505-3511. [PMID: 35722892 DOI: 10.1080/14786419.2022.2089670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 05/29/2022] [Accepted: 06/09/2022] [Indexed: 10/18/2022]
Abstract
Two new sesquiterpenoids, sarglanoids G and H (1 and 2), together with two known analogues (3-4) were isolated from the roots of Sarcandra glabra. Compound 2 was a rare elemene-type sesquiterpenoid with a furan ring fragment, which is mostly lactone ring in its analogues. The structures of new compounds were determined on the basis of extensive spectroscopic methods including HR-ESI-MS, 1D and 2D NMR, and the absolute configuration of 1 was established by ECD calculations. Their anti-inflammatory activities were also evaluated.
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Affiliation(s)
- Zhenhao Chen
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Yunpeng Sun
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Yongyue Wang
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Lingyi Kong
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Jun Luo
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, People's Republic of China
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Sun Y, Li Y, Cui L, Li Q, Wang S, Chen Z, Kong LY, Luo J. Anti-Inflammatory Lindenane Sesquiterpenoid Dimers from the Roots of Sarcandra glabra. J Agric Food Chem 2023; 71:14000-14012. [PMID: 37704568 DOI: 10.1021/acs.jafc.3c02926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
Sarglaroids A-H (1-8), eight new lindenane dimers, and a monomer sarglaroid I (9), along with fourteen known analogues (10-23), were isolated from the roots of Sarcandra glabra. The planar structures and the absolute configurations were elucidated by HR-MS, NMR, ECD calculations, and X-ray diffraction crystallography. Sarglaroid A (1) was identified as a rare 8,9-seco lindenane dimer with a unique 5/5/5 tricyclic system. The biological evaluation showed that compounds 1 and 13 potently inhibited NO production with IC50 values at 19.8 ± 1.06 and 10.7 ± 0.25 μM, respectively, and had no cytotoxicity to RAW264.7 cells. Compound 6 significantly inhibited the LPS-/ATP-induced IL-1β release by inactivating the NLRP3 inflammasome through inhibiting the initiation and assembly by affecting the K+ efflux. Compounds 2 and 3 inhibited the proliferation of MCF-7 and MDA-MB-231 with IC50 values ranging from 5.4 to 10.2 μM.
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Affiliation(s)
- Yunpeng Sun
- Jiangsu Key Laboratory of Bioactive Natural Product Research, State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Yaqi Li
- Jiangsu Key Laboratory of Bioactive Natural Product Research, State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Letian Cui
- Jiangsu Key Laboratory of Bioactive Natural Product Research, State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Qiurong Li
- Jiangsu Key Laboratory of Bioactive Natural Product Research, State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Siyuan Wang
- Jiangsu Key Laboratory of Bioactive Natural Product Research, State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Zhenhao Chen
- Jiangsu Key Laboratory of Bioactive Natural Product Research, State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Ling-Yi Kong
- Jiangsu Key Laboratory of Bioactive Natural Product Research, State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Jun Luo
- Jiangsu Key Laboratory of Bioactive Natural Product Research, State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
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Zhou H, Ouyang T, Liu L, Xia S, Jia Q. In-Forest Planting of High-Value Herb Sarcandra glabra Enhances Soil Carbon Storage without Affecting the Diversity of the Arbuscular Mycorrhiza Fungal Community and Composition of Cunninghamia lanceolata. Microorganisms 2022; 10:microorganisms10091844. [PMID: 36144446 PMCID: PMC9504502 DOI: 10.3390/microorganisms10091844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/03/2022] [Accepted: 09/08/2022] [Indexed: 11/16/2022] Open
Abstract
Sarcandra glabra in-forest planting, an anthropogenic activity that may introduce a variety of disturbances into the forest, is being popularly promoted in southern China, while its consequential influences on soil nutrients, as well as the arbuscular mycorrhiza fungal (AMF) community of key forest keystone plants, are still unelucidated, which hampers the assessment of ecological safety and the improvement of agronomic measurements. In this research, topsoil from a 3-year-old Sarcandra glabra planted forest and a nearby control forest were sampled, and the annual variation in the soil nutrients and AMF community of the keystone tree Cunninghamia lanceolata were investigated. Our result showed that the total amount of soil organic carbon of the Sarcandra glabra cultivation group was significantly higher than that of the control group (p < 0.05), which indicated that Sarcandra glabra cultivation significantly enhanced the topsoil carbon storage. Yet, there were only insignificant differences in the Shannon index and Chao index of the AMF community between the two groups (p > 0.05). PCoA analysis found that the compositional differences between two groups were also insignificant. This indicated that Sarcandra glabra cultivation had no significant influence on the diversity and composition of the Cunninghamia lanceolata AMF community. However, we found that the differences in the total amounts of nitrogen and total phosphorus between the two groups were relatively lower in April and September, which indicated the higher nutrient demands and consumption of Sarcandra glabra in these two periods and suggested that a sufficient fertilizer application in these two stages would reduce the potential competition for nutrients between Sarcandra glabra and Cunninghamia lanceolata in order to ensure Sarcandra glabra production and forest health. Lastly, our results reported a total extra income ranging from of CNY 127,700 hm−2 (7 years of cultivation) to CNY 215,300 hm−2 (10 years cultivation) provided by Sarcandra glabra in-forest planting, which indicated its powerful potential for mitigating poverty. Our research systematically investigated the annual variation in the soil nutrient content and keystone tree AMF community caused by Sarcandra glabra cultivation and offers constructive guidance for Sarcandra glabra cultivation and fertilization management and ecological safety assessment.
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Affiliation(s)
| | - Tianlin Ouyang
- Jiangxi Provincial Forestry Science and Technology Experiment Center, Xinfeng 341600, China
| | - Liting Liu
- Jiangxi Academy of Forestry, Nanchang 330013, China
| | - Shiqi Xia
- Jiangxi Academy of Forestry, Nanchang 330013, China
| | - Quanquan Jia
- Jiangxi Academy of Forestry, Nanchang 330013, China
- Correspondence: ; Tel.: +86-07-91-8390-2672
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Feng Q, Si Y, Zhu L, Wang F, Fang J, Pan C, Gao X, Liu W. Anti-inflammatory effects of a SERP 30 polysaccharide from the residue of Sarcandra glabra against lipopolysaccharide-induced acute respiratory distress syndrome in mice. J Ethnopharmacol 2022; 293:115262. [PMID: 35398243 DOI: 10.1016/j.jep.2022.115262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 04/01/2022] [Accepted: 04/01/2022] [Indexed: 06/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Sarcandra glabra (Thunb.) Nakai, a valuable dietetic Chinese herb, is still widely used today. Multiple ingredients of S. glabra with a variety of activities such as anti-inflammatory, antiviral, and antitumor were studied. However, the Sarcandra glabra (Thunb.) Nakai polysaccharide hasn't been reported for its anti-inflammatory effect. AIM OF THE STUDY In this study, the anti-inflammatory activity of Sarcandra glabra (Thunb.) Nakai polysaccharide was assessed in LPS-induced ARDS mice. MATERIALS AND METHODS A polysaccharide coded as SERP 30 was obtained by water extraction, alcohol precipitation, and gel filtration. After the physicochemical properties determination and structural characterization, LPS induced-mice ARDS model was used to evaluate the anti-inflammatory and associated antioxidant activities of SERP 30. H&E staining was used to observe the seriousness of lung injury in mice. The ELISA method was used to measure the expression of inflammatory factors (TNF-α and IL-6) in the serum of the mice. The TBA method and the WST-1 method were used to evaluate the oxidative stress injury. Immunohistochemistry was used to distinguish the expression of metalloproteinase-9 (MMP-9), heparinase (HPA), syndecan-1, and decorin in ARDS-mice lung tissue. Western blotting was used to confirm the expression of related proteins in mouse lung tissue. RESULTS SERP 30 had a potential role in improving lung damage, reducing inflammation, and preventing oxidative stress. Moreover, SERP 30 significantly attenuated the damage to the endothelial glycocalyx and maintained the integrity of the glycocalyx. The western blotting result implied that the main anti-inflammatory mechanism is directed towards NF-κB and MAPK signaling pathways with inhibiting the activation of associated proteins. CONCLUSION This research provides a theoretical basis for treating ARDS by using a byproduct from food resource.
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Affiliation(s)
- Qi Feng
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Yu Si
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Lingling Zhu
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Feng Wang
- Simcere Pharmaceutical Group Limited, Nanjing, 210042, PR China
| | - Junqiang Fang
- Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Jinan, 250000, PR China
| | - Chun Pan
- Department of Critical Care Medicine, Zhongda Hospital, Southeast University, Nanjing, 210009, PR China
| | - Xiangdong Gao
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, PR China.
| | - Wei Liu
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, PR China.
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Tao R, Tang P, Gao J, Li J, Sun Y, Luo J, Li Y. The anti-inflammatory activity by suppressing the TRAF6/MAPKs pathway of trishizukaol a from Sarcandra glabra. Phytomedicine 2022; 98:153952. [PMID: 35121389 DOI: 10.1016/j.phymed.2022.153952] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 01/07/2022] [Accepted: 01/17/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Sarcandra glabra (Thunb.) Makino (Chloranthaceae) is abundant and shows important clinical effects. Traditionally, S.glabra is used to treat diseases involving inflammation, such as bone fracture and joint swelling. Lindenane-type sesquiterpenoids and dimers are the major anti-inflammatory components in S. glabra. Trishizukaol A (TSA), is an abundant lindenane sesquiterpenoid trimer in S.glabra, but its anti-inflammatory activities and mechanisms are poorly understood. PURPOSE The study was undertaken to unveil the inhibition of inflammation and mechanism of TSA in RAW 264.7 macrophages stimulated by lipopolysaccharide (LPS). METHODS Griess reagent and ELISA were utilized to measure nitric oxide (NO) production and inflammatory cytokines, respectively. Signal proteins such as JNK, nuclear factor E2-related factor 2 (Nrf2) and tumor necrosis factor receptor-associated factor 6 (TRAF6) were quantitatively evaluated in western blot experiments. Flow cytometry was used to determine the concentration of reactive oxygen species (ROS). More importantly, Drug Affinity Responsive Target Stability (DARTS) assay and molecular docking were conducted to investigate the potential targets of TSA. RESULTS TSA effectively reduced the NO production (half-maximal inhibitory concentration (IC50) at 12.53 ± 0.31 μM). In addition, TSA restrained the expression of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α), and it could up-regulate the levels of interleukin-10 (IL-10). TSA also decreased ROS levels by enhancing the levels of Nrf2 protein and its related target genes. Meanwhile, TSA regulated the nuclear translocation of nuclear factor-κB (NF-κB) by suppressing the MAPKs signaling pathway. Importantly, TSA may suppress the inflammation through the TRAF6/MAPKs pathway. CONCLUSION TSA suppressed the inflammatory mechanism mediated by the TRAF6/MAPKs pathway. Our research first revealed the anti-inflammatory effect of a lindenane sesquiterpenoid trimer, providing a therapeutic drug candidate for inflammatory diseases. Furthermore, the lindenane-type sesquiterpenoid trimers may be among the main anti-inflammatory components in S. glabra.
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Affiliation(s)
- Rong Tao
- School of Food Science and Pharmaceutical Engineering, Testing & Analysis Center, Nanjing Normal University, Nanjing 210023, China
| | - Pengfei Tang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Juanjuan Gao
- School of Food Science and Pharmaceutical Engineering, Testing & Analysis Center, Nanjing Normal University, Nanjing 210023, China
| | - Jixin Li
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Yunpeng Sun
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Jun Luo
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Yi Li
- School of Food Science and Pharmaceutical Engineering, Testing & Analysis Center, Nanjing Normal University, Nanjing 210023, China.
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Chen FY, Chen ZC, Luo YM. [Research progress on chemical constituents and biological activities of Sarcandra glabra]. Zhongguo Zhong Yao Za Zhi 2022; 47:872-879. [PMID: 35285185 DOI: 10.19540/j.cnki.cjcmm.20211012.201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Sarcandra glabra, a medicinal plant in family Chloranthaceae, has been taken as an important raw material for multiple Chinese patent drugs due to its diverse indications. Considering the diversified chemical constituents and rich biological activities of S. glabra, numerous phytochemical and pharmacodynamic investigations were conducted to explore the material basis for its medicinal use. It has been found that its main chemical constituents were sesquiterpenoids, sesquiterpenoid polymers, phenolic acids, coumarins, and flavonoids. As revealed by pharmacological research, it possesses multiple biological activities like anti-inflammation, anti-bacteria, anti-tumor, anti-oxidation, and neuroprotection. Some unreported novel structures, including polymers of lindenane sesquiterpenes and monoterpenes, sesquiterpene trimers, and adducts of flavonoids and monoterpenes, have been identified from S. glabra in recent years. Moreover, biological studies relating to its anti-tumor, anti-inflammatory, and anti-oxidant activities have been deepened. This paper reviewed the chemical constituents and bioactivities of S. glabra explored over the past ten years, so as to provide a scientific basis for further development and utilization of this plant.
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Affiliation(s)
- Fang-You Chen
- School of Pharmacy, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Zhi-Chao Chen
- School of Pharmacy, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Yong-Ming Luo
- School of Pharmacy, Jiangxi University of Chinese Medicine Nanchang 330004, China
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Xie D, Tarin MWK, Chen L, Ren K, Yang D, Zhou C, Wan J, He T, Rong J, Zheng Y. Consequences of LED Lights on Root Morphological Traits and Compounds Accumulation in Sarcandra glabra Seedlings. Int J Mol Sci 2021; 22:7179. [PMID: 34281238 PMCID: PMC8268991 DOI: 10.3390/ijms22137179] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/21/2021] [Accepted: 06/28/2021] [Indexed: 01/26/2023] Open
Abstract
This study evaluated the effects of different light spectra (white light; WL, blue light; BL and red light; RL) on the root morphological traits and metabolites accumulation and biosynthesis in Sarcandra glabra. We performed transcriptomic and metabolomic profiling by RNA-seq and ultra-performance liquid chromatography-electrospray ionization-tandem mass spectrometry (UPLC-ESI-MS/MS), respectively. When morphological features were compared to WL, BL substantially increased under-ground fresh weight, root length, root surface area, and root volume, while RL inhibited these indices. A total of 433 metabolites were identified, of which 40, 18, and 68 compounds differentially accumulated in roots under WL (WG) vs. roots under BL (BG), WG vs. roots under RL (RG), and RG vs. BG, respectively. In addition, the contents of sinapyl alcohol, sinapic acid, fraxetin, and 6-methylcoumarin decreased significantly in BG and RG. In contrast, chlorogenic acid, rosmarinyl glucoside, quercitrin and quercetin were increased considerably in BG. Furthermore, the contents of eight terpenoids compounds significantly reduced in BG. Following transcriptomic profiling, several key genes related to biosynthesis of phenylpropanoid-derived and terpenoids metabolites were differentially expressed, such as caffeic acid 3-O-methyltransferase) (COMT), hydroxycinnamoyl-CoA shikimate hydroxycinnamoyl transferase (HCT), O-methyltransferase (OMT), and 1-deoxy-D-xylulose-5-phosphate synthetase (DXS). In summary, our findings showed that BL was suitable for growth and accumulation of bioactive metabolites in root tissue of S. glabra. Exposure to a higher ratio of BL might have the potential to improve the production and quality of S. glabra seedlings, but this needs to be confirmed further.
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Affiliation(s)
- Dejin Xie
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (D.X.); (K.R.); (D.Y.); (J.W.); (J.R.)
| | - Muhammad Waqqas Khan Tarin
- College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.W.K.T.); (L.C.); (C.Z.); (T.H.)
| | - Lingyan Chen
- College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.W.K.T.); (L.C.); (C.Z.); (T.H.)
| | - Ke Ren
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (D.X.); (K.R.); (D.Y.); (J.W.); (J.R.)
| | - Deming Yang
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (D.X.); (K.R.); (D.Y.); (J.W.); (J.R.)
| | - Chengcheng Zhou
- College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.W.K.T.); (L.C.); (C.Z.); (T.H.)
| | - Jiayi Wan
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (D.X.); (K.R.); (D.Y.); (J.W.); (J.R.)
| | - Tianyou He
- College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.W.K.T.); (L.C.); (C.Z.); (T.H.)
| | - Jundong Rong
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (D.X.); (K.R.); (D.Y.); (J.W.); (J.R.)
| | - Yushan Zheng
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (D.X.); (K.R.); (D.Y.); (J.W.); (J.R.)
- College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.W.K.T.); (L.C.); (C.Z.); (T.H.)
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Liu W, Gong X, Luo J, Jiang L, Lu W, Pan C, Yao W, Gao X, Tian H. A purified acidic polysaccharide from Sarcandra glabra as vaccine adjuvant to enhance anti-tumor effect of cancer vaccine. Carbohydr Polym 2021; 263:117967. [PMID: 33858570 DOI: 10.1016/j.carbpol.2021.117967] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/28/2021] [Accepted: 03/16/2021] [Indexed: 12/11/2022]
Abstract
Immunological adjuvants are an important part of tumor vaccines and are critical for stimulating anti-tumor immune responses. However, the clinical needs of strong adjuvants have not been met. In this work, we found that the purified acidic polysaccharide from Sarcandra glabra, named p-SGP, is an ideal adjuvant for tumor vaccines. Cancer vaccines could induce stronger humoral and cellular immune responses when they are adjuvanted with p-SGP. Compared with CpG, a well-studied adjuvant, p-SGP significantly augmented the anti-tumor immunity of various cancer vaccines, which is leading to noticeable inhibition of tumor growth and metastasis in tumor-bearing mice. Moreover, p-SGP promoted dendritic cells (DCs) maturation and Th1-polarized immune response. Toll-like receptor 4 (TLR4) inhibitor TAK-242 could significantly inhibit the expression of mature molecules on the surface of DCs stimulated by p-SGP, suggesting that p-SGP could play the role of activating DCs through the TLR4 receptor. Results of RNA-seq showed that the Delta-like ligand 4 (DLL4) gene in the pathway Th1 and Th2 cell differentiation was significantly up-regulated in the DCs treated with p-SGP, suggesting that p-SGP has a unique mechanism of enhancing anti-tumor immunity.
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Affiliation(s)
- Wei Liu
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Xingqun Gong
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Jianhua Luo
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Liangliang Jiang
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Weisheng Lu
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Chun Pan
- Department of Critical Care Medicine, Zhongda Hospital, Southeast University, Nanjing, 210009, China
| | - Wenbing Yao
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Xiangdong Gao
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China.
| | - Hong Tian
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals and State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China.
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Abstract
Sarcandra glabra, belonging to the family Chloranthaceae, is a Chinese medicinal plant. The whole dry plant can be used as a medicine; it is rich in bioactive phytochemicals that possess anti-bacterial, anti-inflammatory, anti-oxidant, and anti-tumor properties (Xie et al. 2020). The current market price of S. glabra is around US$5/kg, and the annual demand is 3 500 000~4 000 000 kg in China (Pan et al. 2007). To meet consumer demand for safe and high-quality herbal products, the artificial cultivation of S. glabra has been vigorously promoted. In 2020, it was observed that a plant disease affected S. glabra growth in Hunan province. The disease symptoms included constriction at the base of the stem, with decay and a white mycelium covering. The plants finally died with a disease incidence ranging from 15% to 20%. Using our previously published methods (Yi et al. 2019), one fungal isolate was isolated from the cultured symptomatic stem tissue on potato dextrose agar (PDA) medium and was named as Kb. The isolate was subsequently transferred into 70% glycerol for preservation. The Kb colony varied in color from white to light yellow. The septate hyphae grew rapidly on PDA medium, at approximately 25 mm/day, at 28 °C. On the fifth day, rhizomorphs were formed at the edge and on the center of the PDA plate. On the sixth day, sclerotia developed into a rapeseed shape (d = 1.2~2.3 mm) with a smooth surface, and with white, yellow, or chestnut brown coloring. Morphologically, Kb was similar to Sclerotium rolfsii (Sun et al. 2020). Vigorously growing aerial hyphae were selected for molecular identification. The internal transcribed spacers (ITS) were amplified using the primer pairs ITS1/ITS4 (Glass et al. 1995). BLAST searches against Genbank indicated that Kb's ITS sequence shared 97% similarity with that of Athelia rolfsii (MN696630.1). Based on morphological and molecular characteristics, Kb was identified as A. rolfsii. The sequence was deposited in GenBank (MW288292). Pathogenicity tests were carried out using the following procedures. Three healthy S. glabra seedlings were inoculated at the stem base with a PDA plug (5 mm in diameter) covered with 5-day-old fungal mycelium cultured at 28 °C, while the remaining three seedlings were inoculated with distilled water only, as the control. Plants were incubated in a greenhouse at 28 °C. At 7 days post inoculation, the inoculated sites infected with the putative pathogen displayed identical constrictions as previously observed in the field. In contrast, the controls remained symptomless. The pathogen was reisolated from these infected seedlings, and its culture showed the same morphological and molecular traits as the original isolates. No pathogens were isolated from the control plants. Pathogenicity tests were repeated three times. Koch's postulates were fulfilled. Although S. rolfsii has been previously reported to cause Southern Blight on mung bean crops in China (Sun et al. 2020), this is the first report on A. rolfsii causing similar symptoms of Southern Blight on S. glabra in Hunan Province, China. Identification of the pathogens causing each disease is important for the development of effective disease management strategies and for extensive artificial cultivation.
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Affiliation(s)
- Ling Lei
- Hunan Agricultural University, 12575, Hunan Provincial Key Laboratory for Biology and Control of Plant Pests, College of Plant Protection, Hunan Agricultural University, Changsha, Hunan province, China,, Changsha, Hunan, China;
| | - Yan-Yun Hong
- Hunan Agricultural University, 12575, College of Plant Protection & Hunan Provincial Key Laboratory for Biology and Control of Plant Diseases and Plant Pests, Nongda Road 1, Furong District, Changsha, Hunan, China, 410128;
| | - Tu-Yong Yi
- Hunan Agricultural University, 12575, College of Plant Protection & Hunan Provincial Key Laboratory for Biology and Control of Plant Diseases and Plant Pests, No. 1 Nongda Road, Furong Distrcit, Changsha, Hunan, China, 410128;
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Abstract
Sarcandra glabra is an important Chinese medicinal plant, which was widely cultivated under forest in south China. Guangxi province is the main producing areas of this herb. In June 2019, a serious leaf disease was found causing severe defoliation in the S. glabra plantation under bamboo forest in Rongan country, Guangxi province (109°13'N''E). About 70% of the plants in the plantation (300 ha) showed the similar symptoms. Initially, circular lesions appeared on young leaves as black spots (about 1 to 2 mm). Then, the spots gradually enlarged usually with an obvious yellowish margin (6 to 8 mm). Finally, the lesions coalesced and formed irregular, black, and large necrotic areas, resulting in the leaf abscission. For pathogen isolation, small pieces of tissue (5×5 mm) taken from 25 diseased leaves were sterilized with 75% ethanol for 30 s, subsequently, soaked in 0.1% HgCl2 for 2 min, rinsed three times in sterile distilled water, dried, and then placed aseptically onto the potato dextrose agar (PDA) plates, and incubated at 28 °C (12 h/12 h light/dark). Three days later, the isolates were placed on a new PDA plate for subsequent purification and sporulation. 20 pure fungal isolates were obtained from single spores. Of which, 15 isolates showed similar morphological characteristics.The colonies on PDA were round, dense, gray edge and dark gray in center area. Conidia in culture were appeared light brown, cylindrical in shape, with 0 to 8 septa, and 55 to 165 μm × 5.2 to 13.5 μm in size (mean = 106.2 μm × 8.6 μm, n = 30). These morphological characteristics resemble those of Corynespora sp. (Berk. & M.A. Curtis) C.T. Wei (Ellis et al. 1971). A single-spore isolate (ZD5) was selected from the 15 fungal isolates for a subsequent molecular identification. The genes of internal transcribed spacer (ITS) of ribosomal DNA, β-tublin, and actin were amplified with the primer pairs ITS-1/ITS-4 (White et al. 1990), β-tubulin 2-Bt2a/Bt2b (Glass and Donaldson 1995), ACT-512F/ACT-783R (Carbone and Kohn 1999), respectively. And the ITS, β-tublin, and actin sequences were deposited in the GenBank database with the accession numbers MW362446, MW367029, and MW533122. Blast analysis and neighbor-joining analysis based on ITS, β-tublin, and actin sequences using MEGA 6 revealed that the isolate was placed in the same clade as C. cassicola with 100% bootstrap support. Pathogenicity test was performed on the two-year-old potted S. glabra. Six-mm-diameter mycelial plugs were attached to the healthy leaves of S. glabra for co-culture, while the control group was attached with PDA. All plants were covered with plastic bags for 2 days in order to maintain high humidity and cultured in a greenhouse at 28 °C with a 12-h/12-h light/dark cycle. The symptoms appeared 2 days after co-culture were identical to those observed in the field. The same fungus was re-isolated from the lesions, and further morphological characterization and molecular assays, as described above.The control leaves remained symptomless during the pathogenicity tests. According to the previous literatures, C. cassicola is a plant pathogenic fungus with a broad host range, which can damage diverse tropical plants including Salvia miltiorrhiza (Lu et al. 2019), Solanum americanum (Wagner and Louise 2019), Vitex rotundifolia (Yeh and Kirschner 2017), Cucumis sativus, Lycopersicon esculentum (Hsu et al. 2002), Carica papaya (Tsai et al. 2015),and so on. To our knowledge, this is the first report of C. cassicola causing leaf spot on S. glabra in China.
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Affiliation(s)
- Jiang Ni
- Guangxi University, 12664, Nanning, Guangxi, China;
| | - B R Lin
- Guangxi University, 12664, Nanning, Guangxi, China;
| | - Lisha Song
- Guangxi Botanical Garden of Medicinal Plants, 248907, No.189 Changgang Road Nanning Guangxi, Nanning, China, 530023;
| | - Guiyu Tan
- Guangxi Botanical Garden of Medicinal Plants, Nanning, China;
| | - Jiang Zhan Zhang
- Guangxi Botanical Garden of Medicinal Plants, 248907, Nanning, Guangxi, China;
| | - Gen Shu Wei
- Guangxi Botanical Garden of Medicinal Plants, 248907, Nanning, Guangxi, China;
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Liu X, Yang J, Fu J, Xu PL, Xie TG, Bai LP, Jiang ZH, Zhu GY. Monoterpene-flavonoid conjugates from Sarcandra glabra and their autophagy modulating activities. Bioorg Chem 2021; 112:104830. [PMID: 33819736 DOI: 10.1016/j.bioorg.2021.104830] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 03/11/2021] [Accepted: 03/12/2021] [Indexed: 12/24/2022]
Abstract
Fourteen new monoterpene-flavonoid conjugates including four monoterpene-conjugated chalcones (glabratins A-D, 1-4), seven monoterpene-conjugated dihydrochalcones (glabratins E-K, 5-11), and three monoterpene-conjugated flavanones (glabratins L-N, 12-14), together with four known analogues (15-18) were isolated from the aerial parts of Sarcandra glabra. The structures and the absolute configurations of these compounds were elucidated by the spectroscopic data, single-crystal X-ray diffraction, and electronic circular dichroism (ECD) calculations. Compounds 1, 4-6, 9-14, and 18 showed obvious cell autophagy-inducing activities at 25 μM in HEK293 cells. Furthermore, the bioassay results also showed that 18 induced cell autophagy in a dose dependent manner. Our findings revealed a rare class of monoterpene-flavonoid conjugates in nature and firstly reported their autophagy-inducing activities.
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Affiliation(s)
- Xin Liu
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau; Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, People's Republic of China
| | - Ji Yang
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau
| | - Jing Fu
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau
| | - Pei-Lin Xu
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau
| | - Tang-Gui Xie
- Guangxi Botanical Garden of Medicinal Plants, Nanning, Guangxi 530023, People's Republic of China
| | - Li-Ping Bai
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau
| | - Zhi-Hong Jiang
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau.
| | - Guo-Yuan Zhu
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau.
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Tang P, Li Q, Liao S, Wei S, Cui L, Xu W, Zhu D, Luo J, Kong L. Shizukaol A exerts anti-inflammatory effect by regulating HMGB1/Nrf2/HO-1 pathway. Phytomedicine 2021; 82:153472. [PMID: 33550145 DOI: 10.1016/j.phymed.2021.153472] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/22/2020] [Accepted: 01/14/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Sarcandra glabra (Thunb.) Makino (Chloranthaceae) has a long history of being used in Traditional Chinese medicines (TCMs) to treat painful joints, fractures, arthritis, and other diseases caused by inflammation. It has been reported that lindenane-type sesquiterpenoid dimers are main anti-inflammatory ingredient of S. glabra. Meanwhile, shizukaol A, the precursor of these sesquiterpene dimers, possesses a good inhibitory effect on nitric oxide (NO) in our previous study. But its anti-inflammatory mechanism is still unclear. PURPOSE This study aimed to explore the possible anti-inflammatory mechanism and potential targets of shizukaol A in lipopolysaccharide (LPS)-induced RAW 264.7 cells. METHODS The release of NO and inflammatory cytokines in LPS-stimulated RAW 264.7 cells were measured by Griess reagent and ELISA, respectively. The relevant proteins including inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), nuclear factor kappa B (NF-κB) p65, High mobility group box 1 (HMGB1) were detected by western blot. Nuclear translocation of p65, HMGB1 and nuclear factor E2-related factor 2 (Nrf2) were examined by immunofluorescence. The level of reactive oxygen species (ROS) was tested by flow cytometry. The target of shizukaol A was investigated by molecular docking and Drug Affinity Responsive Target Stability (DARTS). RESULTS Shizukaol A had a good inhibitory effect on NO with half maximal inhibitory concentration (IC50) of 13.79 ± 1.11 μM. Shizukaol A could down-regulate the expression of iNOS and COX-2. Further studies demonstrated that shizukaol A can significantly inhibit phosphorylation and nuclear translocation of NF-κB. Meanwhile, shizukaol A decreased the level of ROS and enhanced the expression of heme oxygenase-1 (HO-1) and NAD(P)H: quinone oxidoreductase 1 (NQO1). Furthermore, shizukaol A up-regulated the expression of Nrf2 and its nuclear translocation. More importantly, shizukaol A could inhibit activation of HMGB1 by targeting HMGB1. CONCLUSION Shizukaol A inhibited inflammation by targeting HMGB1 to regulate the Nrf2/HO-1 signaling pathway. Thus, shizukaol A may be an attractive therapeutic candidate for inflammatory diseases.
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Affiliation(s)
- Pengfei Tang
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Qiurong Li
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Shanting Liao
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Shanshan Wei
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Letian Cui
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Wenjun Xu
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Dongrong Zhu
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Jun Luo
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China.
| | - Lingyi Kong
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China.
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Liu CP, Liu JX, Gu J, Liu F, Li JH, Bin-Yang, Yuan-Zheng, Jie-Li, Wu SH, Wu QH, Xian-Zhang, Li LM, Yang HL, Wang L, Li X. Combination Effect of Three Main Constituents From Sarcandra glabra Inhibits Oxidative Stress in the Mice Following Acute Lung Injury: A Role of MAPK-NF-κB Pathway. Front Pharmacol 2021; 11:580064. [PMID: 33597870 PMCID: PMC7883675 DOI: 10.3389/fphar.2020.580064] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 11/13/2020] [Indexed: 12/15/2022] Open
Abstract
Caffeoylquinic acids, coumarins and dicaffeoyl derivatives are considered to be three kinds of the most abundant bioactive components in Sarcandra glabra, an anti-inflammatory herb mainly found in Southern Asia. The combined anti-inflammatory effect of three typical constituents C + R + I (chlorogenic acid + rosmarinic acid + isofraxidin) from this plant has been investigated. The result implies that targeting the MAPK-NF-κB pathway would be one of the major mechanisms involved, using LPS stimulated RAW 264.7 cells as in vitro model and LPS-induced acute lung injury in mice as in vivo model. C + R + I can significantly suppress the levels of nitric oxide (NO), pro-inflammatory cytokines, and inhibit iNOS and COX-2 expression in LPS-treated RAW264.7 macrophage cells. Western blot analysis showed that C + R + I suppressed phosphorylation of NF-κB and MAPK, including phosphorylation of p65-NF-κB, IKB, ERK, JNK and P38. Besides, C + R + I suppressed MPO protein expression, but promoted SOD and HO-1 expression, and the related targets for C, R, and I were also predicted by molecular docking. This indicated that C + R + I could alleviate oxidative stress induced by LPS, which were further verified in the in vivo model of mice with acute lung injury through the measurement of corresponding inflammatory mediators and the analysis of immunehistochemistry.
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Affiliation(s)
- Chun-Ping Liu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Dongguan and Guangzhou University of Chinese Medicine Cooperative Academy of Mathematical Engineering for Chinese Medicine, Dongguan, China
| | - Jian-Xing Liu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jiangyong Gu
- Research Center of Integrative Medicine, School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Fang Liu
- Institute of Tropical Medicine, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jin-Hua Li
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Bin-Yang
- Guangzhou Medical University School of Basic Medicine, Guangzhou, China
| | - Yuan-Zheng
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jie-Li
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shou-hai Wu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qing-he Wu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xian-Zhang
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Long-Mei Li
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hai-Long Yang
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lei Wang
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiong Li
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
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Zhang GJ, Chen X, Ding H, Liang S, Li Z. First Report of Pestalotiopsis lushanensis Causing Brown Leaf Spot on Sarcandra glabra in China. Plant Dis 2020; 105:1219. [PMID: 33231526 DOI: 10.1094/pdis-08-20-1855-pdn] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Sarcandra glabra is a species of Chloranthaceae family and this family grow in the southern part of China, Japan, and Southeastern Asia (Li et al. 2019). It is a kind of precious Chinese herbal medicine, which occupies an important position in traditional Chinese herbal medicine. It plays an effective role in the treatment of cancer, rheumatism, pneumonia, digestive tract inflammations, traumatic injuries and fractures, anti-virus, anti-bacterial, antioxidant, etc. (Li et al. 2019; Zheng et al. 2003; Zhou et al. 2013). Since June 2020, we discovered a serious leaf disease in the S. glabra planting base of Shibing County (108.12E 27.03N), in Guizhou Province, with an incidence rate of 60% and yield losses of 40%. Initially, the symptoms developed as small specks where spots were purple with a dark brown halo margin, and round or oval. In later stages, the spots gradually expanded and became dry, whole severe leaf loss. To identify the pathogen, we collected the diseased leaves from S. glabra fields in Shibing County. Small tissue pieces from the edges of lesions were disinfected in 75% ethyl alcohol for 30 s and 1% hypochlorite for 1 min, rinsed five times in sterile water, plated on potato dextrose agar (PDA), and incubated at 28°C in lighted incubator for 3 days. Fungal colonies were consistently isolated and transferred to PDA for morphological characterization (Fang et al. 2007). Pathogenicity tests of the novel isolate HGUP CSH-2 were conducted by spraying spore suspensions with a concentration of 1.6×108 conidia/ml on surface-disinfected (70% ethyl alcohol, 30 s) leaves, while sterile distilled water was used as the control. Plants with inoculated leaves (three per treatment) were placed in lighted growth chambers at 28°C for 5 days and watered as needed (Light to dark ratio 1:1, RH=90%). Symptoms on inoculated leaves were similar to those described previously in the field. The same pathogenic fungus was re-isolated from the infected leaves but not from the non-inoculated leaves. Colonies on PDA attaining 70 mm diam after 7 d at 28°C, with pale honey-colored, sparse aerial mycelia on the surface with black, gregarious conidiomata. Conidiogenous cell discrete or integrated, ampulliform, clavate or subcylindrical, hyaline, smooth-walled, wide at base. Conidia fusoid, ellipsoid, straight to slightly curved, 4-septate, slightly constricted at septa, 22.26-27.17×6.9-8.22 µm (av.±SD: 24.68±1.57×7.68±0.38 µm; n=30). According to the colony and conidia characteristics, the isolate was initially identified as Pestalotiopsis spp. (Liu et al. 2017). The pathogen was confirmed by amplification and sequencing of the internal transcribed spacer region (ITS) gene, the translation elongation factor-1 (TEF1) gene and the β-tubulin (TUB2) gene (Liu et al. 2017) using ITS1/ITS4, Bt2a/T1 and EF1-526F/1567R primers, respectively. The sequences of the PCR products were deposited in GenBank with accession numbers MT919215 (ITS), MT939300 (TUB2) and MT939299 (TEF1). BLAST results of the obtained sequences of the ITS, TUB2 and TEF1 genes revealed 97.16% (479/493 nucleotides), 99.56% (675/678 nucleotides) and 99.89% (890/891 nucleotides) homology with those of Pestalotiopsis lushanensis in GenBank (MG726538, KY464157 and KX895223). Maximum Likelihood method was used for phylogenetic analysis. The result showed that HGUP CSH-2 was together with P. lushanensis with a support rate of 100%. According to the morphological characteristics and molecular phylogenetic analysis, the pathogen was identified as P. lushanensis. So far as we know, our research is the first report of brown leaf spot of S. glabra caused by P. lushanensis in China. Thus, identification of P. lushanensis for this disease is important for the advancement of effective prevention and control practises as future perspectives.
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Affiliation(s)
- Guo Jun Zhang
- College of Agriculture, Guizhou University, Guiyang 550025, Guizhou,ChinaGuiyang, China, 550025;
| | - XiangRu Chen
- Guizhou University, 71206, College of Agriculture, Guiyang, Guizhou, China;
| | - Haixia Ding
- Guizhou University, 71206, Guizhou University, Guiyang, Guiyang, Guizhou, China, 550025;
| | - Shuang Liang
- Guizhou University, 71206, College of Agriculture, Guiyang, Guizhou, China;
| | - Zhong Li
- Guizhou University, 71206, College of Agriculture, Guiyang, Guizhou, China;
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20
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Xie D, Chen L, Zhou C, Tarin MWK, Yang D, Ren K, He T, Rong J, Zheng Y. Transcriptomic and metabolomic profiling reveals the effect of LED light quality on morphological traits, and phenylpropanoid-derived compounds accumulation in Sarcandra glabra seedlings. BMC Plant Biol 2020; 20:476. [PMID: 33076818 PMCID: PMC7574309 DOI: 10.1186/s12870-020-02685-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 10/07/2020] [Indexed: 06/01/2023]
Abstract
BACKGROUND Sarcandra glabra is an evergreen and traditional Chinese herb with anti-oxidant, anti-bacterial, anti-inflammatory, and anti-tumor effects. Light is one of the most influential factor affecting the growth and quality of herbs. In recent times, the introduction of Light Emission Diode (LED) technology has been widely used for plants in greenhouse. However, the impact of such lights on plant growth and the regulatory mechanism of phenylpropanoid-derived compounds in S. glabra remain unclear. RESULTS The red LED light (RL) substantially increased the plant height and decreased the stem diameter and leaf area relative to the white LED light (WL), while the blue LED light (BL) significantly reduced the height and leaf area of S. glabra. According to transcriptomic profiling, 861, 378, 47, 10,033, 7917, and 6379 differentially expressed genes (DEGs) were identified among the groups of leaf tissue under BL (BY) vs. leaf tissue under RL (RY), BY vs. leaf tissue under WL (WY), RY vs. WY, root tissue under WL (WG) vs. WY, stem tissue under WL (WJ) vs. WG, and WJ vs. WY, respectively. We identified 46 genes encoding for almost all known enzymes involved in phenylpropanoid biosynthesis, e.g., phenylalanine ammonia lyase (PAL), chalcone synthase (CHS), and flavonol synthase (FLS). We found 53 genes encoding R2R3-MYB proteins and bHLH proteins, respectively, where several were related to flavonoids biosynthesis. A total of 454 metabolites were identified based on metabolomic profiling, of which 44, 87, and 296 compounds were differentially produced in WY vs. RY, WY vs. BY, and WY vs. WG. In BY there was a substantial reduction in the production of esculetin, caffeic acid, isofraxidin, and fraxidin, while the yields of quercitrin and kaempferol were significantly up-regulated. In RY, the contents of cryptochlorogenic acid, cinnamic acid, and kaempferol decreased significantly. Besides, in WG, the production of metabolites (e.g. chlorogenic acid, cryptochlorogenic acid, and scopolin) declined, while their yields increased significantly (e.g. esculetin, fraxetin, isofraxidin, and fraxidin). CONCLUSION These results provide further insight into the regulatory mechanism of accumulation patterns of phenylpropanoid-derived compounds in S. glabra under various light conditions, allowing optimum breeding conditions to be developed for this plant.
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Affiliation(s)
- Dejin Xie
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Lingyan Chen
- College of Arts & College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Chengcheng Zhou
- College of Arts & College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Muhammad Waqqas Khan Tarin
- College of Arts & College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Deming Yang
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Ke Ren
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Tianyou He
- College of Arts & College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Jundong Rong
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Yushan Zheng
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
- College of Arts & College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
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Sun X, Zhao Q, Si Y, Li K, Zhu J, Gao X, Liu W. Bioactive structural basis of proteoglycans from Sarcandra glabra based on spectrum-effect relationship. J Ethnopharmacol 2020; 259:112941. [PMID: 32389856 DOI: 10.1016/j.jep.2020.112941] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 04/30/2020] [Accepted: 04/30/2020] [Indexed: 05/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Proteoglycans are one of the active ingredients of great importance in Sarcandra glabra. The biological activities of proteoglycans extracted from Sarcandra glabra including suppressing tumor growth and antioxidant activity were studied. However, raw materials from different regions may cause differences in the activity of natural extracts, especially for bioactive biomacromolecules. Conventional identification of S.glabra cannot accurately reflect the distinguishing relationship between internal components and the pharmacological activity. The identification of biologically active structures was obtained by constructing multiple fingerprint and spectrum-effect relationship. AIM OF THE STUDY To evaluate the bioactive structural basis of proteoglycans from S.glabra based on spectrum-effect relationship and chemometric methods. MATERIALS AND METHODS Multiple fingerprinting including HPSEC, PMP-HPLC, and FT-IR of proteoglycans was established from 18 batches of samples based on the structural characteristics. Both antitumor activity and antioxidant activity were determined. Mathematical analysis was used to analyze the spectrum-effect relationship. RESULTS PCA results showed monosaccharides including Xly, Rha, and GlcA, carboxyl group in acidic sugars, peptide bond in proteins, and methylene groups could be used as markers for distinguishing the samples from different sources. The results of the spectrum-effect relationship analysis indicated that the bioactive markers of inhibitory activity on MG63 and U2OS cells by PLS-DA were related to GlcA, Xyl, Fuc, β-glycosidic bonds, peptide linkage, and methylene groups. Markers composing monosaccharide for antioxidant activity were Xyl, GlcA, and GlcN. Meanwhile, the group markers were pyranose ring, carboxyl group, peptide linkage, and methylene structure. CONCLUSIONS The material basis that affects the pharmacological efficacy could be found according to the spectrum-effect relationship analysis. This study could lay a foundation for further exploring the relationship between structural characteristics and pharmacodynamics of macromolecular glycoconjugates in Traditional Chinese Medicine.
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Affiliation(s)
- Xuyang Sun
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Qianqian Zhao
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Yu Si
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Kaidong Li
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Jingyi Zhu
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Xiangdong Gao
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, PR China.
| | - Wei Liu
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, PR China.
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Song L, Jiang N, Wei S, Lan Z, Pan L. Isolation, Screening, and Identification of Actinomycetes with Antifungal and Enzyme Activity Assays against Colletotrichum dematium of Sarcandra glabra. Mycobiology 2020; 48:37-43. [PMID: 32158604 PMCID: PMC7048178 DOI: 10.1080/12298093.2020.1716604] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 01/05/2020] [Accepted: 01/09/2020] [Indexed: 06/10/2023]
Abstract
A serious leaf disease caused by Colletotrichum dematium was found during the cultivation of Sarcandra glabra in Jingxi, Rong'an, and Donglan Counties in Guangxi Province, which inflicted huge losses to plant productivity. Biological control gradually became an effective control method for plant pathogens. Many studies showed that the application of actinomycetes in biological control has been effective. Therefore, it may be of great significance to study the application of actinomycetes on controlling the diseases caused by S. glabra. Strains of antifungal actinomycetes capable of inhibiting C. dematium were identified, isolated and screened from healthy plants tissues and the rhizospheres in soils containing S. glabra. In this study, 15 actinomycetes strains were isolated and among these, strains JT-2F, DT-3F, and JJ-3F, appeared to show antagonistic effects against anthracnose of S. glabra. The strains JT-2F and DT-3F were isolated from soil, while JJ-3F was isolated from plant stems. The antagonism rate of strain JT-2F was 86.75%, which was the highest value among the three strains. Additionally, the JT-2F strain also had the strongest antagonistic activity when the antagonistic activities were tested against seven plant pathogens. Strain JT-2F is able to produce proteases and cellulase to degrade the protein and cellulose components of cell walls of C. dematium, respectively. This results in mycelia damage which leads to inhibition of the growth of C. dematium. Strain JT-2F was identified as Streptomyces tsukiyonensis based on morphological traits and 16S rDNA sequence analysis.
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Affiliation(s)
- Lisha Song
- Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Ni Jiang
- Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Shugen Wei
- Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Zuzai Lan
- Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Limei Pan
- Guangxi Botanical Garden of Medicinal Plants, Nanning, China
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Abstract
Sarcandra glabra is a perennial evergreen subshrub, with high ornamental and medicinal value. Using the Illumina high-throughput sequencing data, its chloroplast genome is well assembled and characterized. The complete chloroplast genome is 158,872 bp in length with a typical quadripartite structure: a pair of inverted repeats (IRs) of 26,122 bp for each, an 88,182 bp large single-copy (LSC) region and an 18,445 bp small single-copy (SSC) region. It was composed of 128 genes and they were identified 84 coding genes, 8 rRNA genes, 36 tRNA genes. Phylogenetic analysis confirmed that the position of S. glabra lay within the order Chloranthales instead of Piperales simply according to classical morphological taxonomy.
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Affiliation(s)
- Wei Wang
- Guangzhou Institute of Forestry and Landscape Architecture, Guangzhou, China
| | - Peishan Zou
- Guangzhou Institute of Forestry and Landscape Architecture, Guangzhou, China
| | - Guofeng Liu
- Guangzhou Institute of Forestry and Landscape Architecture, Guangzhou, China
| | - Seping Dai
- Guangzhou Institute of Forestry and Landscape Architecture, Guangzhou, China
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Li H, Gong X, Wang Z, Pan C, Zhao Y, Gao X, Liu W. Multiple fingerprint profiles and chemometrics analysis of polysaccharides from Sarcandra glabra. Int J Biol Macromol 2018; 123:957-967. [PMID: 30445090 DOI: 10.1016/j.ijbiomac.2018.11.103] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 10/19/2018] [Accepted: 11/12/2018] [Indexed: 01/11/2023]
Abstract
Multiple techniques including high performance size-exclusion chromatography (HPSEC), Fourier-transform infrared spectroscopy (FT-IR) and pre-column derivatization high-performance liquid chromatography (PCD-HPLC) were applied to the fingerprint analysis of the polysaccharides from Sarcandra glabra (SGPs) in different regions. Chemometrics was used to evaluate the similarity and differences of SGPs from different regions based on their fingerprints. The results of the present study showed that polysaccharides from 18 batches of Sarcandra glabra had a high degree of similarity based on the HPSEC, PCD-HPLC, and FT-IR fingerprints. The samples from different regions could be classified by clustering analysis based on their nuances. The five monosaccharides (Gal, Rha, Xyl, GlcA, and Glc) and the wavelengths of FT-IR (3371 cm-1 and 1411 cm-1) could be selected as herb markers for the quality control of Sarcandra glabra.
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Affiliation(s)
- Huan Li
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, PR China
| | - Xingqun Gong
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, PR China
| | - Zichen Wang
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, PR China
| | - Chun Pan
- Department of Critical Care Medicine, Zhongda Hospital, Southeast University, Nanjing 210009, PR China
| | - Yang Zhao
- Food Composition and Methods Development Laboratory, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD 20705, United States
| | - Xiangdong Gao
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, PR China.
| | - Wei Liu
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, PR China.
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Chen C, Zeng HT, He XQ, Yuan YJ, Yu JB. [Scientific research on selection of medicinal herbs of Chloranthaceae based on materia medica theory]. Zhongguo Zhong Yao Za Zhi 2018; 43:3036-3040. [PMID: 30111067 DOI: 10.19540/j.cnki.cjcmm.20180528.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Indexed: 11/18/2022]
Abstract
The plants of Chloranthaceae are widely distributed and rich in resources in our country, records of ancient herbs indicaded that various species of plants of Chloranthaceae can be used for medicinal purposes, especially the Sarcandra glabra which with the least toxicity and possessed the function of clearing heat and cooling blood, activating blood to eliminate spots and removing wind and dredging collaterals. Based on the theory of herbage and by the method of consulting the past herbal literature, we summarized and analyzed the medicinal history, distribution characteristics of herbage geography, characteristics of herbage ecology, standard collection situation and the modern toxicology research of Chloranthaceae plants. Therefore we explained the scientificity for selection of medicinal herbs of Chloranthaceae plants, and provided a theoretical and scientific basis for further research of Chloranthaceae plants.
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Affiliation(s)
- Chao Chen
- Jiangxi Provincial Institute of Traditional Chinese Medicine, Nanchang 330046, China
| | - Hui-Ting Zeng
- Jiangxi Provincial Institute of Traditional Chinese Medicine, Nanchang 330046, China
| | - Xiao-Qun He
- Jiangxi Provincial Institute of Traditional Chinese Medicine, Nanchang 330046, China
| | - Yuan-Jian Yuan
- Jiangxi Provincial Institute of Traditional Chinese Medicine, Nanchang 330046, China
| | - Jin-Bao Yu
- Jiangxi Provincial Institute of Traditional Chinese Medicine, Nanchang 330046, China
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26
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Han EK, Cho WB, Choi G, Lee JH. The complete chloroplast genome of Sarcandra glabra (Chloranthaceae): a perianthless basal angiosperm. Mitochondrial DNA B Resour 2018; 3:661-662. [PMID: 33474275 PMCID: PMC7800133 DOI: 10.1080/23802359.2018.1473722] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
We have obtained the complete chloroplast (cp) genome sequence for Sarcandra glabra. This genome is 158,881 bp long, with 39.2% GC content. It includes a large single copy region of 88,169 bp that is separated from the 18,446-bp small single copy region by two inverted repeat regions (26,133 bp each). This genome contains 130 genes, i.e. 85 protein-coding genes, 37 tRNA, and eight tRNA. Maximum likelihood analysis, based on 13 complete cp genomes, showed that S. glabra is closely related to two other family members, Chloranthus spicatus and C. japonicus.
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Affiliation(s)
- Eun-Kyeong Han
- Department of Biology Education, Chonnam National University, Gwangju, Republic of Korea
| | - Won-Bum Cho
- Department of Biology Education, Chonnam National University, Gwangju, Republic of Korea
| | - Goya Choi
- Herbal Medicine Research Center, Korea Institute of Oriental Medicine, Daejeon, Republic of Korea
| | - Jung-Hyun Lee
- Department of Biology Education, Chonnam National University, Gwangju, Republic of Korea
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Abstract
Sarcandra glabra (Thunb.) Nakai (Chloranthaceae) is a medicinal plant used as herbal tea or food supplement to promote human health. We isolated 14 phenolic compounds from the n-butanol fraction of S. glabra and investigated their anti-inflammatory potential using lipopolysaccharide (LPS)-activated RAW264.7 macrophages. We demonstrated that methyl isorinate, a previously uncharacterized compound in S. glabra, is able to suppress NF-κB activation and reduce the expression of iNOS and COX-2 as well as the phosphorylation of IκB in LPS-treated RAW264.7 cells. In addition, the production of two inflammatory cytokines (IL-6 and TNF-α), as well as release of reactive oxygen species, in the LPS-stimulated macrophages was also inhibited by this compound. Furthermore, the structure-activity relationships of all of the isolated phenolic compounds present were analyzed. Overall, this study revealed several anti-inflammatory compounds that were present in S. glabra, and the results suggest that these diverse phenolic compounds are associated with the anti-inflammatory effects of S. glabra.
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Affiliation(s)
- Yun-Chen Tsai
- Institute of Traditional Medicine, National Yang-Ming University , Taipei 11221, Taiwan
| | - Shih-Han Chen
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare , Taipei 11221, Taiwan
| | - Lie-Chwen Lin
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare , Taipei 11221, Taiwan
| | - Shu-Ling Fu
- Institute of Traditional Medicine, National Yang-Ming University , Taipei 11221, Taiwan
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Li X, Shen J, Jiang Y, Shen T, You L, Sun X, Xu X, Hu W, Wu H, Wang G. Anti-Inflammatory Effects of Chloranthalactone B in LPS-Stimulated RAW264.7 Cells. Int J Mol Sci 2016; 17:E1938. [PMID: 27879664 DOI: 10.3390/ijms17111938] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 11/08/2016] [Accepted: 11/11/2016] [Indexed: 12/20/2022] Open
Abstract
Chloranthalactone B (CTB), a lindenane-type sesquiterpenoid, was obtained from the Chinese medicinal herb Sarcandra glabra, which is frequently used as a remedy for inflammatory diseases. However, the anti-inflammatory mechanisms of CTB have not been fully elucidated. In this study, we investigated the molecular mechanisms underlying these effects in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages. CTB strongly inhibited the production of nitric oxide and pro-inflammatory mediators such as prostaglandin E2, tumor necrosis factor α (TNF-α), interleukin-1β (IL-1β), and IL-6 in RAW264.7 cells stimulated with LPS. A reverse-transcription polymerase chain reaction assay and Western blot further confirmed that CTB inhibited the expression of inducible nitric oxide synthase, cyclooxygenase-2, TNF-α, and IL-1β at the transcriptional level, and decreased the luciferase activities of activator protein (AP)-1 reporter promoters. These data suggest that inhibition occurred at the transcriptional level. In addition, CTB blocked the activation of p38 mitogen-activated protein kinase (MAPK) but not c-Jun N-terminal kinase or extracellular signal-regulated kinase 1/2. Furthermore, CTB suppressed the phosphorylation of MKK3/6 by targeting the binding sites via formation of hydrogen bonds. Our findings clearly show that CTB inhibits the production of inflammatory mediators by inhibiting the AP-1 and p38 MAPK pathways. Therefore, CTB could potentially be used as an anti-inflammatory agent.
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Liu J, Li X, Lin J, Li Y, Wang T, Jiang Q, Chen D. Sarcandra glabra (Caoshanhu) protects mesenchymal stem cells from oxidative stress: a bioevaluation and mechanistic chemistry. BMC Complement Altern Med 2016; 16:423. [PMID: 27793132 PMCID: PMC5084467 DOI: 10.1186/s12906-016-1383-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Accepted: 10/04/2016] [Indexed: 12/20/2022]
Abstract
BACKGROUND Sarcandra glabra (Caoshanhu) is a traditional Chinese herbal medicine used for treating various oxidative-stressed diseases. The present work evaluated its protective effect on mesenchymal stem cells (MSCs) from oxidative stress and then discussed possible mechanisms underlying this observation. METHODS Ethanolic extract of S. glabra (ESG) was investigated by chemical methods for its content of total phenolics, rosmarinic acid, and astilbin. ESG, along with rosmarinic acid and astilbin, was investigated for the effect on the viability of Fenton-treated MSCs using 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyl (MTT) assay. The observed cell protective effect was further explored by mechanistic chemistry using various antioxidant assays, including DNA protection, •OH-scavenging, •O2--scavenging, FRAP (ferric ion reducing antioxidant power), ABTS+•-scavenging, DPPH•-scavenging, and Fe2+-chelating assays. RESULTS Analysis of ESG revealed a content of 46.31 ± 0.56 mg quercetin/g total phenolics, 0.78 ± 0.01 % rosmarinic acid, and 3.37 ± 0.01 % astilbin. Results from the MTT assay revealed that three compounds (rosmarinic acid>astilbin>ESG) could effectively increase the survival of Fenton-treated MSCs. Similarly, in •O2--scavenging, DPPH•-scavenging, and Fe2+-chelating assays, rosmarinic acid exhibited more activity than astilbin; while in FRAP, ABTS+•-scavenging assays, astilbin was stronger than rosmarinic acid. CONCLUSION S. glabra can prevent MSCs from •OH-induced oxidative stress. Such protective effect can be attributed to its antioxidant ability and the presence of two kinds of phytophenols, i.e. caffeoyl derivatives and flavonoids. As the respective representatives of caffeoyl derivatives and flavonoids, rosmarinic acid and astilbin may exert the antioxidant action via direct ROS-scavenging and indirect ROS-scavenging (i.e. Fe2+-chelating). The direct ROS-scavenging ability involves hydrogen atom transfer (HAT) and/or electron transfer (ET) pathway. Astilbin engages the latter pathway more, which can be attributed to the larger planar conjugation in A/C fused rings. Rosmarinic acid, on the other hand, shows more HAT and Fe2+-chelating potential, which may be due to rosmarinic acid bearing one more catechol moiety whereas astilbin has steric-hindrance from 3-α-L-rhamnose and an H-bonding between 4,5 sites. The antioxidant features of rosmarinic acid can be generalized to other caffeoyl derivatives, while that of astilbin cannot be generalized to other flavonoids because of the difference in chemical structures.
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Affiliation(s)
- Jingjing Liu
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No.232, Guangzhou Higher Education Mega Center, 510006, Guangzhou, China
| | - Xican Li
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No.232, Guangzhou Higher Education Mega Center, 510006, Guangzhou, China.
| | - Jian Lin
- School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou, China, 510006
| | - Yunrong Li
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No.232, Guangzhou Higher Education Mega Center, 510006, Guangzhou, China
| | - Tingting Wang
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No.232, Guangzhou Higher Education Mega Center, 510006, Guangzhou, China
| | - Qian Jiang
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No.232, Guangzhou Higher Education Mega Center, 510006, Guangzhou, China
| | - Dongfeng Chen
- School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou, China, 510006.
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Liu TY, Chen SB. Sarcandra glabra combined with lycopene protect rats from lipopolysaccharide induced acute lung injury via reducing inflammatory response. Biomed Pharmacother 2016; 84:34-41. [PMID: 27631138 DOI: 10.1016/j.biopha.2016.09.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 09/05/2016] [Accepted: 09/05/2016] [Indexed: 10/21/2022] Open
Abstract
Sarcandra glabra (Chinese name, Zhongjiefeng) is an important herb widely used in traditional Chinese medicine. Lycopene has been shown to be a powerful antioxidant. This study aims to test the hypothesis that Sarcandra glabra combined with lycopene protect rats from lipopolysaccharide (LPS) induced acute lung injury (ALI). Metabolomics approach combined with pathological inspection, serum biochemistry examination, enzyme-linked immunosorbent assay and western blotting were used to explore the protective effects of Sarcandra glabra and lycopene on LPS-induced ALI, and to elucidate the underlying mechanisms. Results showed that Sarcandra glabra and lycopene could significantly ameliorate LPS-induced histopathological injuries, improve the anti-oxidative activities of rats, decrease the levels of TNF-α and IL-6, suppress the activations of MAPK and transcription factor NF-κB and reverse the disturbed metabolism towards the normal status. Taken together, this integrated study revealed that Sarcandra glabra combined with lycopene had great potential in protecting rats from LPS-induced ALI, which would be helpful to guide the clinical medication.
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Affiliation(s)
- Tian-Yin Liu
- Department of anesthesia, The First Affiliated Hospital of Nanchang University, 17 Yongwaizheng Street, Nanchang, 330006, Jiangxi Province, China
| | - Shi-Biao Chen
- Department of anesthesia, The First Affiliated Hospital of Nanchang University, 17 Yongwaizheng Street, Nanchang, 330006, Jiangxi Province, China.
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Wei Y, Chen Y, Huang Y, Liu J, Liang Y. Molecular authentication and quantitative analysis of Sarcandra glabra and adulterated chloranthus products using SNP markers. Mitochondrial DNA A DNA Mapp Seq Anal 2015; 27:3618-25. [PMID: 26358522 DOI: 10.3109/19401736.2015.1079826] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Sarcandra glabra (Thunb.) Nakai is one of the most popular and valuable plant species in the oriental medicinal herb market. Chloranthus (Chloranthaceae) species are the most widely used adulterants, but they are known to have hepatotoxicity effects and different medicinal values. OBJECTIVE The aim of this study is to develop a robust and accurate DNA marker for the qualitative and quantitative analyses of their products. MATERIALS AND METHODS Four single nucleotide polymorphism (SNP) sites specific to Sarcandra glabra, Chloranthus spicatus, Chloranthus serratus and Chloranthus henryi were exploited from the trnL-F region in chloroplast DNA, which have a higher copy number in the products than the nuclear DNA. Based on the SNP sites, specific primers were designed to identify the products of Sarcandra glabra, Chloranthus spicatus, Chloranthus serratus and Chloranthus henryi in mixed solutions via multiplexed PCR. The primers were also used to quantitatively analyse the ratio of chloroplast DNA in the mixed products using real-time PCR. RESULTS The established multiplexed-PCR and real-time PCR methods were determined to be effective for the authentication and relative quantitative assessments of the products of Sarcandra glabra, its adulterants, and their mixtures. CONCLUSION We therefore present an effective method for monitoring the quality of these products.
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Affiliation(s)
- Yicong Wei
- a College of Pharmacy, Fujian University of Traditional Chinese Medicine , Fuzhou , China and
| | - Ying Chen
- b College of Landscape Architecture, Fujian Agriculture and Forestry University , Fujian Fouzhou , China
| | - Youkai Huang
- a College of Pharmacy, Fujian University of Traditional Chinese Medicine , Fuzhou , China and
| | - Jinping Liu
- a College of Pharmacy, Fujian University of Traditional Chinese Medicine , Fuzhou , China and
| | - Yichi Liang
- a College of Pharmacy, Fujian University of Traditional Chinese Medicine , Fuzhou , China and
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Abstract
One new coumarin, 3,5-dihydroxy-7-O-α-L-rhamno pyranosyl-2H-chromen-2-one (1), was isolated from the whole plant of Sarcandra glabra. The structure was elucidated by spectroscopic methods. Our results indicated that 1 significantly inhibit nitric oxide (NO) production in LPS-induced RAW264.7 macrophages. RT-PCR analysis indicated it inhibited iNOS mRNA expression. In addition, Western blot analysis showed that 1 attenuated LPS-induced synthesis of iNOS protein in the macrophages. These results suggest that 1 could be potential anti-inflammatory agent by down-regulating iNOS expression.
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Affiliation(s)
- Maojie Wang
- a Second Affiliated Hospital , Guangzhou University of Chinese Medicine , Guangzhou , China
| | - Jin Zhao
- a Second Affiliated Hospital , Guangzhou University of Chinese Medicine , Guangzhou , China
| | - Ya Zhao
- a Second Affiliated Hospital , Guangzhou University of Chinese Medicine , Guangzhou , China.,b The Postdoctoral Research Station , Guangzhou University of Chinese Medicine , Guangzhou , China
| | - Run-Yue Huang
- a Second Affiliated Hospital , Guangzhou University of Chinese Medicine , Guangzhou , China
| | - Geng Li
- c School of Chinese Pharmaceutical Science , Guangzhou University of Chinese Medicine , Guangzhou , China
| | - Xing Zeng
- a Second Affiliated Hospital , Guangzhou University of Chinese Medicine , Guangzhou , China
| | - Xiong Li
- a Second Affiliated Hospital , Guangzhou University of Chinese Medicine , Guangzhou , China
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